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claws-mail/src/gtk/gtkcmctree.c

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/* GTK - The GIMP Toolkit
* Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball, Josh MacDonald,
* Copyright (C) 1997-1998 Jay Painter <jpaint@serv.net><jpaint@gimp.org>
*
* GtkCMCTree widget for GTK+
* Copyright (C) 1998 Lars Hamann and Stefan Jeske
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
/*
* Modified by the GTK+ Team and others 1997-2000. See the AUTHORS
* file for a list of people on the GTK+ Team. See the ChangeLog
* files for a list of changes. These files are distributed with
* GTK+ at ftp://ftp.gtk.org/pub/gtk/.
*/
#include <config.h>
#include <stdlib.h>
#include <gtk/gtk.h>
#include <gdk/gdkkeysyms.h>
#include "gtkcmctree.h"
#include "claws-marshal.h"
#include "utils.h"
#include "gtkutils.c"
#define PM_SIZE 8
#define TAB_SIZE (PM_SIZE + 6)
#define CELL_SPACING 1
#define CLIST_OPTIMUM_SIZE 64
#define COLUMN_INSET 3
#define DRAG_WIDTH 6
#define ROW_TOP_YPIXEL(clist, row) (((clist)->row_height * (row)) + \
(((row) + 1) * CELL_SPACING) + \
(clist)->voffset)
#define ROW_FROM_YPIXEL(clist, y) (((y) - (clist)->voffset) / \
((clist)->row_height + CELL_SPACING))
#define COLUMN_LEFT_XPIXEL(clist, col) ((clist)->column[(col)].area.x \
+ (clist)->hoffset)
#define COLUMN_LEFT(clist, column) ((clist)->column[(column)].area.x)
GType
gtk_cmctree_pos_get_type (void)
{
static GType etype = 0;
if (etype == 0) {
static const GEnumValue values[] = {
{ GTK_CMCTREE_POS_BEFORE, "GTK_CMCTREE_POS_BEFORE", "before" },
{ GTK_CMCTREE_POS_AS_CHILD, "GTK_CMCTREE_POS_AS_CHILD", "as-child" },
{ GTK_CMCTREE_POS_AFTER, "GTK_CMCTREE_POS_AFTER", "after" },
{ 0, NULL, NULL }
};
etype = g_enum_register_static (g_intern_static_string ("GtkCMCTreePos"), values);
}
return etype;
}
GType
gtk_cmctree_line_style_get_type (void)
{
static GType etype = 0;
if (etype == 0) {
static const GEnumValue values[] = {
{ GTK_CMCTREE_LINES_NONE, "GTK_CMCTREE_LINES_NONE", "none" },
{ 0, NULL, NULL }
};
etype = g_enum_register_static (g_intern_static_string ("GtkCMCTreeLineStyle"), values);
}
return etype;
}
GType
gtk_cmctree_expander_style_get_type (void)
{
static GType etype = 0;
if (etype == 0) {
static const GEnumValue values[] = {
{ GTK_CMCTREE_EXPANDER_NONE, "GTK_CMCTREE_EXPANDER_NONE", "none" },
{ GTK_CMCTREE_EXPANDER_TRIANGLE, "GTK_CMCTREE_EXPANDER_TRIANGLE", "triangle" },
{ 0, NULL, NULL }
};
etype = g_enum_register_static (g_intern_static_string ("GtkCMCTreeExpanderStyle"), values);
}
return etype;
}
GType
gtk_cmctree_expansion_type_get_type (void)
{
static GType etype = 0;
if (etype == 0) {
static const GEnumValue values[] = {
{ GTK_CMCTREE_EXPANSION_EXPAND, "GTK_CMCTREE_EXPANSION_EXPAND", "expand" },
{ GTK_CMCTREE_EXPANSION_EXPAND_RECURSIVE, "GTK_CMCTREE_EXPANSION_EXPAND_RECURSIVE", "expand-recursive" },
{ GTK_CMCTREE_EXPANSION_COLLAPSE, "GTK_CMCTREE_EXPANSION_COLLAPSE", "collapse" },
{ GTK_CMCTREE_EXPANSION_COLLAPSE_RECURSIVE, "GTK_CMCTREE_EXPANSION_COLLAPSE_RECURSIVE", "collapse-recursive" },
{ GTK_CMCTREE_EXPANSION_TOGGLE, "GTK_CMCTREE_EXPANSION_TOGGLE", "toggle" },
{ GTK_CMCTREE_EXPANSION_TOGGLE_RECURSIVE, "GTK_CMCTREE_EXPANSION_TOGGLE_RECURSIVE", "toggle-recursive" },
{ 0, NULL, NULL }
};
etype = g_enum_register_static (g_intern_static_string ("GtkCMCTreeExpansionType"), values);
}
return etype;
}
static inline gint
COLUMN_FROM_XPIXEL (GtkCMCList * clist,
gint x)
{
gint i, cx;
for (i = 0; i < clist->columns; i++)
if (clist->column[i].visible)
{
cx = clist->column[i].area.x + clist->hoffset;
if (x >= (cx - (COLUMN_INSET + CELL_SPACING)) &&
x <= (cx + clist->column[i].area.width + COLUMN_INSET))
return i;
}
/* no match */
return -1;
}
#define CLIST_UNFROZEN(clist) (((GtkCMCList*) (clist))->freeze_count == 0)
#define CLIST_REFRESH(clist) G_STMT_START { \
if (CLIST_UNFROZEN (clist)) \
GTK_CMCLIST_GET_CLASS (clist)->refresh ((GtkCMCList*) (clist)); \
} G_STMT_END
enum {
ARG_0,
ARG_N_COLUMNS,
ARG_TREE_COLUMN,
ARG_INDENT,
ARG_SPACING,
ARG_SHOW_STUB,
ARG_LINE_STYLE,
ARG_EXPANDER_STYLE
};
static void gtk_cmctree_class_init (GtkCMCTreeClass *klass);
static void gtk_cmctree_init (GtkCMCTree *ctree);
static GObject* gtk_cmctree_constructor (GType type,
guint n_construct_properties,
GObjectConstructParam *construct_params);
static void gtk_cmctree_set_arg (GObject *object,
guint arg_id,
const GValue *value,
GParamSpec *spec);
static void gtk_cmctree_get_arg (GObject *object,
guint arg_id,
GValue *value,
GParamSpec *spec);
static void gtk_cmctree_realize (GtkWidget *widget);
static void gtk_cmctree_unrealize (GtkWidget *widget);
static gint gtk_cmctree_button_press (GtkWidget *widget,
GdkEventButton *event);
static void ctree_attach_styles (GtkCMCTree *ctree,
GtkCMCTreeNode *node,
gpointer data);
static void ctree_detach_styles (GtkCMCTree *ctree,
GtkCMCTreeNode *node,
gpointer data);
static void set_cell_contents (GtkCMCList *clist,
GtkCMCListRow *clist_row,
gint column,
GtkCMCellType type,
const gchar *text,
guint8 spacing,
GdkPixbuf *pixbuf);
static void set_node_info (GtkCMCTree *ctree,
GtkCMCTreeNode *node,
const gchar *text,
guint8 spacing,
GdkPixbuf *pixbuf_closed,
GdkPixbuf *pixbuf_opened,
gboolean is_leaf,
gboolean expanded);
static GtkCMCTreeRow *row_new (GtkCMCTree *ctree);
static void row_delete (GtkCMCTree *ctree,
GtkCMCTreeRow *ctree_row);
static void tree_delete (GtkCMCTree *ctree,
GtkCMCTreeNode *node,
gpointer data);
static void tree_delete_row (GtkCMCTree *ctree,
GtkCMCTreeNode *node,
gpointer data);
static void real_clear (GtkCMCList *clist);
static void tree_update_level (GtkCMCTree *ctree,
GtkCMCTreeNode *node,
gpointer data);
static void tree_select (GtkCMCTree *ctree,
GtkCMCTreeNode *node,
gpointer data);
static void tree_unselect (GtkCMCTree *ctree,
GtkCMCTreeNode *node,
gpointer data);
static void real_select_all (GtkCMCList *clist);
static void real_unselect_all (GtkCMCList *clist);
static void tree_expand (GtkCMCTree *ctree,
GtkCMCTreeNode *node,
gpointer data);
static void tree_collapse (GtkCMCTree *ctree,
GtkCMCTreeNode *node,
gpointer data);
static void tree_collapse_to_depth (GtkCMCTree *ctree,
GtkCMCTreeNode *node,
gint depth);
static void tree_toggle_expansion (GtkCMCTree *ctree,
GtkCMCTreeNode *node,
gpointer data);
static void change_focus_row_expansion (GtkCMCTree *ctree,
GtkCMCTreeExpansionType expansion);
static void real_select_row (GtkCMCList *clist,
gint row,
gint column,
GdkEvent *event);
static void real_unselect_row (GtkCMCList *clist,
gint row,
gint column,
GdkEvent *event);
static void real_tree_select (GtkCMCTree *ctree,
GtkCMCTreeNode *node,
gint column);
static void real_tree_unselect (GtkCMCTree *ctree,
GtkCMCTreeNode *node,
gint column);
static void real_tree_expand (GtkCMCTree *ctree,
GtkCMCTreeNode *node);
static void real_tree_collapse (GtkCMCTree *ctree,
GtkCMCTreeNode *node);
static void real_tree_move (GtkCMCTree *ctree,
GtkCMCTreeNode *node,
GtkCMCTreeNode *new_parent,
GtkCMCTreeNode *new_sibling);
static void real_row_move (GtkCMCList *clist,
gint source_row,
gint dest_row);
static void gtk_cmctree_link (GtkCMCTree *ctree,
GtkCMCTreeNode *node,
GtkCMCTreeNode *parent,
GtkCMCTreeNode *sibling,
gboolean update_focus_row);
static void gtk_cmctree_unlink (GtkCMCTree *ctree,
GtkCMCTreeNode *node,
gboolean update_focus_row);
static GtkCMCTreeNode * gtk_cmctree_last_visible (GtkCMCTree *ctree,
GtkCMCTreeNode *node);
static gboolean ctree_is_hot_spot (GtkCMCTree *ctree,
GtkCMCTreeNode *node,
gint row,
gint x,
gint y);
static void tree_sort (GtkCMCTree *ctree,
GtkCMCTreeNode *node,
gpointer data);
static void fake_unselect_all (GtkCMCList *clist,
gint row);
static GList * selection_find (GtkCMCList *clist,
gint row_number,
GList *row_list_element);
static void resync_selection (GtkCMCList *clist,
GdkEvent *event);
static void real_undo_selection (GtkCMCList *clist);
static void select_row_recursive (GtkCMCTree *ctree,
GtkCMCTreeNode *node,
gpointer data);
static gint real_insert_row (GtkCMCList *clist,
gint row,
gchar *text[]);
static void real_remove_row (GtkCMCList *clist,
gint row);
static void real_sort_list (GtkCMCList *clist);
static void cell_size_request (GtkCMCList *clist,
GtkCMCListRow *clist_row,
gint column,
GtkRequisition *requisition);
static void column_auto_resize (GtkCMCList *clist,
GtkCMCListRow *clist_row,
gint column,
gint old_width);
static void auto_resize_columns (GtkCMCList *clist);
static gboolean check_drag (GtkCMCTree *ctree,
GtkCMCTreeNode *drag_source,
GtkCMCTreeNode *drag_target,
GtkCMCListDragPos insert_pos);
static void gtk_cmctree_drag_begin (GtkWidget *widget,
GdkDragContext *context);
static gint gtk_cmctree_drag_motion (GtkWidget *widget,
GdkDragContext *context,
gint x,
gint y,
guint time);
static void gtk_cmctree_drag_data_received (GtkWidget *widget,
GdkDragContext *context,
gint x,
gint y,
GtkSelectionData *selection_data,
guint info,
guint32 time);
static void remove_grab (GtkCMCList *clist);
static void drag_dest_cell (GtkCMCList *clist,
gint x,
gint y,
GtkCMCListDestInfo *dest_info);
enum
{
TREE_SELECT_ROW,
TREE_UNSELECT_ROW,
TREE_EXPAND,
TREE_COLLAPSE,
TREE_MOVE,
CHANGE_FOCUS_ROW_EXPANSION,
LAST_SIGNAL
};
static GtkCMCListClass *parent_class = NULL;
static GtkContainerClass *container_class = NULL;
static guint ctree_signals[LAST_SIGNAL] = {0};
GType
gtk_cmctree_get_type (void)
{
static GType ctree_type = 0;
if (!ctree_type)
{
static const GTypeInfo ctree_info =
{
sizeof (GtkCMCTreeClass),
(GBaseInitFunc) NULL,
(GBaseFinalizeFunc) NULL,
(GClassInitFunc) gtk_cmctree_class_init,
(GClassFinalizeFunc) NULL,
NULL, /* class_data */
sizeof (GtkCMCTree),
0, /* n_preallocs */
(GInstanceInitFunc) gtk_cmctree_init,
};
ctree_type = g_type_register_static (GTK_TYPE_CMCLIST, "GtkCMCTree", &ctree_info, (GTypeFlags)0);
}
return ctree_type;
}
static gint
draw_cell_pixbuf (GdkWindow *window,
GdkRectangle *clip_rectangle,
cairo_t *cr,
GdkPixbuf *pixbuf,
gint x,
gint y,
gint width,
gint height)
{
gint xsrc = 0;
gint ysrc = 0;
if (!pixbuf || (width == 0 && height == 0))
return x;
if (x < clip_rectangle->x)
{
xsrc = clip_rectangle->x - x;
width -= xsrc;
x = clip_rectangle->x;
}
if (x + width > clip_rectangle->x + clip_rectangle->width)
width = clip_rectangle->x + clip_rectangle->width - x;
if (y < clip_rectangle->y)
{
ysrc = clip_rectangle->y - y;
height -= ysrc;
y = clip_rectangle->y;
}
if (y + height > clip_rectangle->y + clip_rectangle->height)
height = clip_rectangle->y + clip_rectangle->height - y;
gdk_cairo_set_source_pixbuf(cr, pixbuf, x, y);
cairo_paint(cr);
return x + MAX (width, 0);
}
static gint
draw_expander (GtkCMCTree *ctree,
GtkCMCTreeRow *ctree_row,
GtkStyle *style,
GdkRectangle *clip_rectangle,
cairo_t *cr,
gint x)
{
GtkCMCList *clist;
gint justification_factor;
gint y;
if (ctree->expander_style == GTK_CMCTREE_EXPANDER_NONE)
return x;
clist = GTK_CMCLIST (ctree);
if (clist->column[ctree->tree_column].justification == GTK_JUSTIFY_RIGHT)
justification_factor = -1;
else
justification_factor = 1;
if (!GTK_CMCLIST_ROW_HEIGHT_SET(GTK_CMCLIST(clist)))
y = (clip_rectangle->y + (clip_rectangle->height - PM_SIZE) / 2 -
(clip_rectangle->height + 1) % 2) + 1;
else
y = (clip_rectangle->y + (clip_rectangle->height/2 - PM_SIZE) / 2 -
(clip_rectangle->height/2 + 1) % 2) + 1;
if (!ctree_row->children)
{
return x + justification_factor * (PM_SIZE + 3);
}
/* pixel offsets +/- 1 or +/- justification_factor here and there ..
* to fill correctly, somewhat ... what do I do wrong?
*/
gdk_cairo_set_source_color(cr, &gtk_widget_get_style(GTK_WIDGET(ctree))->fg[GTK_STATE_NORMAL]);
if (ctree_row->expanded)
{
gint tmp3 = PM_SIZE / 2;
gint tmp6 = PM_SIZE / 6;
cairo_move_to(cr, x + justification_factor * (tmp3 + tmp6) + (PM_SIZE / 2), y + 1);
cairo_rel_line_to(cr, 0, tmp3 + tmp6 + 1);
cairo_rel_line_to(cr, -justification_factor * (tmp3 + tmp6) - justification_factor, -1);
}
else
{
gint tmp3 = PM_SIZE / 2;
gint tmp6 = PM_SIZE / 6;
cairo_move_to(cr, x + tmp6 - justification_factor + (PM_SIZE / 2), y + tmp6 - 1);
cairo_rel_line_to(cr, justification_factor * tmp3, tmp3);
cairo_rel_line_to(cr, -justification_factor * tmp3, tmp3);
}
cairo_fill(cr);
x += justification_factor * (PM_SIZE + 3);
return x;
}
static gint
get_offset(GtkCMCTree *ctree,
GtkCMCTreeRow *ctree_row,
gint column,
GdkRectangle *clip_rectangle)
{
gint justify_right;
justify_right = (GTK_CMCLIST (ctree)->column[column].justification == GTK_JUSTIFY_RIGHT);
if (justify_right)
return (clip_rectangle->x + clip_rectangle->width - 1 -
ctree->tree_indent * (ctree_row->level - 1));
return clip_rectangle->x + ctree->tree_indent * (ctree_row->level - 1);
}
static void
get_cell_style (GtkCMCList *clist,
GtkCMCListRow *clist_row,
gint state,
gint column,
GtkStyle **style)
{
GtkStyle *gtkstyle;
gtkstyle = gtk_widget_get_style (GTK_WIDGET (clist));
if (clist_row->cell[column].style)
{
if (style)
*style = clist_row->cell[column].style;
}
else if (clist_row->style)
{
if (style)
*style = clist_row->style;
}
else
{
if (style)
*style = gtkstyle;
}
}
static gboolean filter_fg (PangoAttribute *attribute, gpointer data)
{
const PangoAttrClass *klass = attribute->klass;
if (klass->type == PANGO_ATTR_FOREGROUND)
return TRUE;
return FALSE;
}
static PangoLayout *
create_cell_layout (GtkCMCList *clist,
GtkCMCListRow *clist_row,
gint column)
{
PangoLayout *layout;
GtkStyle *style;
GtkCMCell *cell;
gchar *text;
get_cell_style (clist, clist_row, GTK_STATE_NORMAL, column, &style);
cell = &clist_row->cell[column];
switch (cell->type)
{
case GTK_CMCELL_TEXT:
case GTK_CMCELL_PIXTEXT:
text = ((cell->type == GTK_CMCELL_PIXTEXT) ?
GTK_CMCELL_PIXTEXT (*cell)->text :
GTK_CMCELL_TEXT (*cell)->text);
if (!text)
return NULL;
if (!GTK_SCTREE(clist)->use_markup[column]) {
layout = gtk_widget_create_pango_layout (GTK_WIDGET (clist),
((cell->type == GTK_CMCELL_PIXTEXT) ?
GTK_CMCELL_PIXTEXT (*cell)->text :
GTK_CMCELL_TEXT (*cell)->text));
pango_layout_set_font_description (layout, style->font_desc);
} else {
PangoContext *context = gtk_widget_get_pango_context (GTK_WIDGET(clist));
layout = pango_layout_new (context);
pango_layout_set_markup (layout, text, -1);
pango_layout_set_font_description (layout, style->font_desc);
if (clist_row->state == GTK_STATE_SELECTED) {
/* for selected row, we should remove any forced foreground color
* or it looks like shit */
PangoAttrList *list = pango_layout_get_attributes(layout);
PangoAttrList *rem = pango_attr_list_filter(list, filter_fg, NULL);
if (rem)
pango_attr_list_unref(rem);
}
}
return layout;
default:
return NULL;
}
}
static void
draw_row (GtkCMCList *clist,
GdkRectangle *area,
gint row,
GtkCMCListRow *clist_row)
{
GtkWidget *widget;
GtkStyle *style;
GtkCMCTree *ctree;
GdkRectangle *crect;
GdkRectangle row_rectangle;
GdkRectangle cell_rectangle;
GdkRectangle clip_rectangle;
GdkRectangle intersect_rectangle;
gint last_column;
gint offset = 0;
gint state;
gint i;
static GdkColor greybg={0, 0, 0, 0};
static gboolean color_change = TRUE;
cairo_t *cr;
GdkColor *fgcolor, *bgcolor;
cm_return_if_fail (clist != NULL);
widget = GTK_WIDGET (clist);
/* if the function is passed the pointer to the row instead of null,
* it avoids this expensive lookup */
if (!clist_row)
clist_row = (g_list_nth (clist->row_list, row))->data;
style = clist_row->style ? clist_row->style : gtk_widget_get_style (widget);
if (greybg.pixel == 0 &&
greybg.red == 0 &&
greybg.green == 0 &&
greybg.blue == 0) {
GdkColor normalbg = {0, 0xffff, 0xffff, 0xffff};
if (style) {
normalbg = style->base[GTK_STATE_NORMAL];
}
if (normalbg.red > 0x8888 && normalbg.green > 0x8888 && normalbg.blue > 0x8888) {
greybg.pixel = normalbg.pixel;
greybg.red = normalbg.red - prefs_common.stripes_color_offset;
greybg.green = normalbg.green - prefs_common.stripes_color_offset;
greybg.blue = normalbg.blue - prefs_common.stripes_color_offset;
} else if (normalbg.red < 0x8888 && normalbg.green < 0x8888 && normalbg.blue < 0x8888) {
greybg.pixel = normalbg.pixel;
greybg.red = normalbg.red + prefs_common.stripes_color_offset;
greybg.green = normalbg.green + prefs_common.stripes_color_offset;
greybg.blue = normalbg.blue + prefs_common.stripes_color_offset;
} else {
color_change = FALSE;
}
}
/* bail now if we arn't drawable yet */
if (!gtk_widget_is_drawable (GTK_WIDGET(clist)) || row < 0 || row >= clist->rows)
return;
ctree = GTK_CMCTREE (clist);
/* rectangle of the entire row */
row_rectangle.x = 0;
row_rectangle.y = ROW_TOP_YPIXEL (clist, row);
row_rectangle.width = clist->clist_window_width;
row_rectangle.height = clist->row_height;
/* rectangle of the cell spacing above the row */
cell_rectangle.x = 0;
cell_rectangle.y = row_rectangle.y - CELL_SPACING;
cell_rectangle.width = row_rectangle.width;
cell_rectangle.height = CELL_SPACING;
/* rectangle used to clip drawing operations, its y and height
* positions only need to be set once, so we set them once here.
* the x and width are set withing the drawing loop below once per
* column */
clip_rectangle.y = row_rectangle.y;
clip_rectangle.height = row_rectangle.height;
if (prefs_common.use_stripes_everywhere && GTK_SCTREE(ctree)->show_stripes
&& color_change && row % 2) {
bgcolor = &greybg;
} else {
bgcolor = &style->base[GTK_STATE_NORMAL];
}
state = clist_row->state;
cr = gdk_cairo_create(clist->clist_window);
if (clist_row->fg_set && state != GTK_STATE_SELECTED)
fgcolor = &clist_row->foreground;
else
fgcolor = &style->fg[clist_row->state];
/* draw the cell borders */
if (area)
{
crect = &intersect_rectangle;
if (gdk_rectangle_intersect (area, &cell_rectangle, crect)) {
gdk_cairo_rectangle(cr, &cell_rectangle);
gdk_cairo_set_source_color(cr, &style->base[GTK_STATE_NORMAL]);
cairo_fill(cr);
cairo_rectangle(cr, cell_rectangle.x, cell_rectangle.y + row_rectangle.height + 1,cell_rectangle.width,cell_rectangle.height);
cairo_fill(cr);
}
}
else
{
crect = &cell_rectangle;
gdk_cairo_rectangle(cr, &cell_rectangle);
gdk_cairo_set_source_color(cr, &style->base[GTK_STATE_NORMAL]);
cairo_fill(cr);
cairo_rectangle(cr, cell_rectangle.x, cell_rectangle.y + row_rectangle.height + 1,cell_rectangle.width,cell_rectangle.height);
cairo_fill(cr);
}
/* the last row has to clear its bottom cell spacing too */
if (clist_row == clist->row_list_end->data)
{
cell_rectangle.y += clist->row_height + CELL_SPACING;
if (!area || gdk_rectangle_intersect (area, &cell_rectangle, crect))
{
gdk_cairo_rectangle(cr, crect);
gdk_cairo_set_source_color(cr, &style->base[GTK_STATE_NORMAL]);
cairo_fill(cr);
}
}
for (last_column = clist->columns - 1;
last_column >= 0 && !clist->column[last_column].visible; last_column--)
;
/* iterate and draw all the columns (row cells) and draw their contents */
for (i = 0; i < clist->columns; i++)
{
GtkStyle *style;
PangoLayout *layout = NULL;
PangoRectangle logical_rect;
gint width;
gint height;
gint pixbuf_width;
gint string_width;
gint old_offset;
if (!clist->column[i].visible)
continue;
get_cell_style (clist, clist_row, state, i, &style);
/* calculate clipping region */
clip_rectangle.x = clist->column[i].area.x + clist->hoffset;
clip_rectangle.width = clist->column[i].area.width;
cell_rectangle.x = clip_rectangle.x - COLUMN_INSET - CELL_SPACING;
cell_rectangle.width = (clip_rectangle.width + 2 * COLUMN_INSET +
(1 + (i == last_column)) * CELL_SPACING);
cell_rectangle.y = clip_rectangle.y;
cell_rectangle.height = clip_rectangle.height;
string_width = 0;
pixbuf_width = 0;
height = 0;
if (area && !gdk_rectangle_intersect (area, &cell_rectangle,
&intersect_rectangle))
{
if (i != ctree->tree_column)
continue;
}
else
{
gdk_cairo_rectangle(cr, &cell_rectangle);
if (state == GTK_STATE_NORMAL)
gdk_cairo_set_source_color(cr, bgcolor);
else
gdk_cairo_set_source_color(cr, &style->base[state]);
cairo_fill(cr);
layout = create_cell_layout (clist, clist_row, i);
if (layout)
{
pango_layout_get_pixel_extents (layout, NULL, &logical_rect);
width = logical_rect.width;
}
else
width = 0;
switch (clist_row->cell[i].type)
{
case GTK_CMCELL_PIXBUF:
pixbuf_width = gdk_pixbuf_get_width(GTK_CMCELL_PIXBUF (clist_row->cell[i])->pixbuf);
height = gdk_pixbuf_get_height(GTK_CMCELL_PIXBUF (clist_row->cell[i])->pixbuf);
width += pixbuf_width;
break;
case GTK_CMCELL_PIXTEXT:
if (GTK_CMCELL_PIXTEXT (clist_row->cell[i])->pixbuf)
{
pixbuf_width = gdk_pixbuf_get_width(GTK_CMCELL_PIXTEXT (clist_row->cell[i])->pixbuf);
height = gdk_pixbuf_get_height(GTK_CMCELL_PIXTEXT (clist_row->cell[i])->pixbuf);
width += pixbuf_width;
}
if (GTK_CMCELL_PIXTEXT (clist_row->cell[i])->text &&
GTK_CMCELL_PIXTEXT (clist_row->cell[i])->pixbuf)
width += GTK_CMCELL_PIXTEXT (clist_row->cell[i])->spacing;
if (i == ctree->tree_column)
width += (ctree->tree_indent *
((GtkCMCTreeRow *)clist_row)->level);
break;
default:
break;
}
switch (clist->column[i].justification)
{
case GTK_JUSTIFY_LEFT:
offset = clip_rectangle.x + clist_row->cell[i].horizontal;
break;
case GTK_JUSTIFY_RIGHT:
offset = (clip_rectangle.x + clist_row->cell[i].horizontal +
clip_rectangle.width - width);
break;
case GTK_JUSTIFY_CENTER:
case GTK_JUSTIFY_FILL:
offset = (clip_rectangle.x + clist_row->cell[i].horizontal +
(clip_rectangle.width / 2) - (width / 2));
break;
};
if (i != ctree->tree_column)
{
int start_y = (clip_rectangle.height - height) / 2;
if (GTK_CMCLIST_ROW_HEIGHT_SET(GTK_CMCLIST(clist)))
start_y = (clip_rectangle.height/2 - height) / 2;
offset += clist_row->cell[i].horizontal;
switch (clist_row->cell[i].type)
{
case GTK_CMCELL_PIXBUF:
draw_cell_pixbuf
(clist->clist_window, &clip_rectangle, cr,
GTK_CMCELL_PIXBUF (clist_row->cell[i])->pixbuf,
offset,
clip_rectangle.y + clist_row->cell[i].vertical +
start_y,
pixbuf_width, height);
break;
case GTK_CMCELL_PIXTEXT:
offset = draw_cell_pixbuf
(clist->clist_window, &clip_rectangle, cr,
GTK_CMCELL_PIXTEXT (clist_row->cell[i])->pixbuf,
offset,
clip_rectangle.y + clist_row->cell[i].vertical +
start_y,
pixbuf_width, height);
offset += GTK_CMCELL_PIXTEXT (clist_row->cell[i])->spacing;
/* Fall through */
case GTK_CMCELL_TEXT:
if (layout)
{
gint row_center_offset = (clist->row_height - logical_rect.height) / 2;
gdk_cairo_set_source_color(cr, fgcolor);
cairo_move_to(cr, offset, row_rectangle.y + row_center_offset + clist_row->cell[i].vertical);
pango_cairo_show_layout(cr, layout);
g_object_unref (G_OBJECT (layout));
}
break;
default:
break;
}
continue;
}
}
/* draw ctree->tree_column */
cell_rectangle.y -= CELL_SPACING;
cell_rectangle.height += CELL_SPACING;
if (area && !gdk_rectangle_intersect (area, &cell_rectangle,
&intersect_rectangle))
{
if (layout)
g_object_unref (G_OBJECT (layout));
continue;
}
/* draw lines */
offset = get_offset (ctree, (GtkCMCTreeRow *)clist_row, i,
&clip_rectangle);
/* draw expander */
offset = draw_expander (ctree, (GtkCMCTreeRow *)clist_row,
style, &clip_rectangle, cr, offset);
if (clist->column[i].justification == GTK_JUSTIFY_RIGHT)
offset -= ctree->tree_spacing;
else
offset += ctree->tree_spacing;
if (clist->column[i].justification == GTK_JUSTIFY_RIGHT)
offset -= (pixbuf_width + clist_row->cell[i].horizontal);
else
offset += clist_row->cell[i].horizontal;
old_offset = offset;
offset = draw_cell_pixbuf (clist->clist_window, &clip_rectangle, cr,
GTK_CMCELL_PIXTEXT (clist_row->cell[i])->pixbuf,
offset,
clip_rectangle.y + clist_row->cell[i].vertical
+ (clip_rectangle.height - height) / 2,
pixbuf_width, height);
if (layout)
{
gint row_center_offset = (clist->row_height - logical_rect.height) / 2;
if (clist->column[i].justification == GTK_JUSTIFY_RIGHT)
{
offset = (old_offset - string_width);
if (GTK_CMCELL_PIXTEXT (clist_row->cell[i])->pixbuf)
offset -= GTK_CMCELL_PIXTEXT (clist_row->cell[i])->spacing;
}
else
{
if (GTK_CMCELL_PIXTEXT (clist_row->cell[i])->pixbuf)
offset += GTK_CMCELL_PIXTEXT (clist_row->cell[i])->spacing;
}
cairo_move_to(cr, offset, row_rectangle.y + row_center_offset + clist_row->cell[i].vertical);
gdk_cairo_set_source_color(cr, fgcolor);
pango_cairo_show_layout(cr, layout);
g_object_unref (G_OBJECT (layout));
}
}
/* draw focus rectangle */
if (clist->focus_row == row &&
gtk_widget_get_can_focus (widget) && gtk_widget_has_focus (widget)
&& state == GTK_STATE_SELECTED)
{
if (!area || gdk_rectangle_intersect (area, &row_rectangle,
&intersect_rectangle))
{
cairo_set_line_width(cr, 1.0);
cairo_set_antialias(cr, CAIRO_ANTIALIAS_NONE);
gdk_cairo_set_source_color(cr, &style->fg[GTK_STATE_NORMAL]);
cairo_move_to (cr, row_rectangle.x, row_rectangle.y + 0.5);
cairo_line_to (cr, row_rectangle.x + row_rectangle.width, row_rectangle.y + 0.5);
cairo_move_to (cr, row_rectangle.x, row_rectangle.y + row_rectangle.height - 0.5);
cairo_line_to (cr, row_rectangle.x + row_rectangle.width, row_rectangle.y + row_rectangle.height - 0.5);
cairo_stroke(cr);
}
}
cairo_destroy(cr);
}
static void
gtk_cmctree_class_init (GtkCMCTreeClass *klass)
{
GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
#if !GTK_CHECK_VERSION(3, 0, 0)
GtkObjectClass *object_class;
#else /* for simplicity */
GtkWidgetClass *object_class;
#endif
GtkWidgetClass *widget_class;
GtkCMCListClass *clist_class;
GtkBindingSet *binding_set;
gobject_class->constructor = gtk_cmctree_constructor;
#if !GTK_CHECK_VERSION(3, 0, 0)
object_class = (GtkObjectClass *) klass;
#else /* for simplicity */
object_class = (GtkWidgetClass *) klass;
#endif
widget_class = (GtkWidgetClass *) klass;
container_class = (GtkContainerClass *) klass;
clist_class = (GtkCMCListClass *) klass;
parent_class = g_type_class_peek (GTK_TYPE_CMCLIST);
container_class = g_type_class_peek (GTK_TYPE_CONTAINER);
gobject_class->set_property = gtk_cmctree_set_arg;
gobject_class->get_property = gtk_cmctree_get_arg;
widget_class->realize = gtk_cmctree_realize;
widget_class->unrealize = gtk_cmctree_unrealize;
widget_class->button_press_event = gtk_cmctree_button_press;
widget_class->drag_begin = gtk_cmctree_drag_begin;
widget_class->drag_motion = gtk_cmctree_drag_motion;
widget_class->drag_data_received = gtk_cmctree_drag_data_received;
clist_class->select_row = real_select_row;
clist_class->unselect_row = real_unselect_row;
clist_class->row_move = real_row_move;
clist_class->undo_selection = real_undo_selection;
clist_class->resync_selection = resync_selection;
clist_class->selection_find = selection_find;
clist_class->click_column = NULL;
clist_class->draw_row = draw_row;
clist_class->clear = real_clear;
clist_class->select_all = real_select_all;
clist_class->unselect_all = real_unselect_all;
clist_class->fake_unselect_all = fake_unselect_all;
clist_class->insert_row = real_insert_row;
clist_class->remove_row = real_remove_row;
clist_class->sort_list = real_sort_list;
clist_class->set_cell_contents = set_cell_contents;
clist_class->cell_size_request = cell_size_request;
klass->tree_select_row = real_tree_select;
klass->tree_unselect_row = real_tree_unselect;
klass->tree_expand = real_tree_expand;
klass->tree_collapse = real_tree_collapse;
klass->tree_move = real_tree_move;
klass->change_focus_row_expansion = change_focus_row_expansion;
g_object_class_install_property (gobject_class,
ARG_N_COLUMNS,
g_param_spec_uint ("n-columns",
"N-Columns",
"N-Columns",
1,
G_MAXINT,
1,
G_PARAM_READWRITE|G_PARAM_CONSTRUCT_ONLY));
g_object_class_install_property (gobject_class,
ARG_TREE_COLUMN,
g_param_spec_uint ("tree-column",
"tree-column",
"tree-column",
0,
G_MAXINT,
0,
G_PARAM_READWRITE|G_PARAM_CONSTRUCT_ONLY));
g_object_class_install_property (gobject_class,
ARG_INDENT,
g_param_spec_uint ("indent",
"indent",
"indent",
1,
G_MAXINT,
1,
G_PARAM_READWRITE));
g_object_class_install_property (gobject_class,
ARG_SPACING,
g_param_spec_uint ("spacing",
"spacing",
"spacing",
1,
G_MAXINT,
1,
G_PARAM_READWRITE));
g_object_class_install_property (gobject_class,
ARG_SHOW_STUB,
g_param_spec_boolean ("show-stub",
"show-stub",
"show-stub",
TRUE,
G_PARAM_READWRITE));
g_object_class_install_property (gobject_class,
ARG_LINE_STYLE,
g_param_spec_enum ("line-style",
"line-style",
"line-style",
GTK_TYPE_CMCTREE_LINE_STYLE, 0,
G_PARAM_READWRITE));
g_object_class_install_property (gobject_class,
ARG_EXPANDER_STYLE,
g_param_spec_enum ("expander-style",
"expander-style",
"expander-style",
GTK_TYPE_CMCTREE_EXPANDER_STYLE, 0,
G_PARAM_READWRITE));
ctree_signals[TREE_SELECT_ROW] =
g_signal_new ("tree_select_row",
G_TYPE_FROM_CLASS (object_class),
G_SIGNAL_RUN_FIRST,
G_STRUCT_OFFSET (GtkCMCTreeClass, tree_select_row),
NULL, NULL,
claws_marshal_VOID__POINTER_INT,
G_TYPE_NONE, 2,
GTK_TYPE_CMCTREE_NODE,
G_TYPE_INT);
ctree_signals[TREE_UNSELECT_ROW] =
g_signal_new ("tree_unselect_row",
G_TYPE_FROM_CLASS (object_class),
G_SIGNAL_RUN_FIRST,
G_STRUCT_OFFSET (GtkCMCTreeClass, tree_unselect_row),
NULL, NULL,
claws_marshal_VOID__POINTER_INT,
G_TYPE_NONE, 2,
GTK_TYPE_CMCTREE_NODE,
G_TYPE_INT);
ctree_signals[TREE_EXPAND] =
g_signal_new ("tree_expand",
G_TYPE_FROM_CLASS (object_class),
G_SIGNAL_RUN_LAST,
G_STRUCT_OFFSET (GtkCMCTreeClass, tree_expand),
NULL, NULL,
claws_marshal_VOID__POINTER,
G_TYPE_NONE, 1,
GTK_TYPE_CMCTREE_NODE);
ctree_signals[TREE_COLLAPSE] =
g_signal_new ("tree_collapse",
G_TYPE_FROM_CLASS (object_class),
G_SIGNAL_RUN_LAST,
G_STRUCT_OFFSET (GtkCMCTreeClass, tree_collapse),
NULL, NULL,
claws_marshal_VOID__POINTER,
G_TYPE_NONE, 1,
GTK_TYPE_CMCTREE_NODE);
ctree_signals[TREE_MOVE] =
g_signal_new ("tree_move",
G_TYPE_FROM_CLASS (object_class),
G_SIGNAL_RUN_LAST,
G_STRUCT_OFFSET (GtkCMCTreeClass, tree_move),
NULL, NULL,
claws_marshal_VOID__POINTER_POINTER_POINTER,
G_TYPE_NONE, 3,
GTK_TYPE_CMCTREE_NODE,GTK_TYPE_CMCTREE_NODE,GTK_TYPE_CMCTREE_NODE);
ctree_signals[CHANGE_FOCUS_ROW_EXPANSION] =
g_signal_new ("change_focus_row_expansion",
G_TYPE_FROM_CLASS (object_class),
G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
G_STRUCT_OFFSET (GtkCMCTreeClass, change_focus_row_expansion),
NULL, NULL,
claws_marshal_VOID__ENUM,
G_TYPE_NONE, 1, GTK_TYPE_CMCTREE_EXPANSION_TYPE);
binding_set = gtk_binding_set_by_class (klass);
gtk_binding_entry_add_signal (binding_set,
GDK_KEY_plus, 0,
"change_focus_row_expansion", 1,
G_TYPE_ENUM, GTK_CMCTREE_EXPANSION_EXPAND);
gtk_binding_entry_add_signal (binding_set,
GDK_KEY_plus, GDK_CONTROL_MASK,
"change_focus_row_expansion", 1,
G_TYPE_ENUM, GTK_CMCTREE_EXPANSION_EXPAND_RECURSIVE);
gtk_binding_entry_add_signal (binding_set,
GDK_KEY_KP_Add, 0,
"change_focus_row_expansion", 1,
G_TYPE_ENUM, GTK_CMCTREE_EXPANSION_EXPAND);
gtk_binding_entry_add_signal (binding_set,
GDK_KEY_KP_Add, GDK_CONTROL_MASK,
"change_focus_row_expansion", 1,
G_TYPE_ENUM, GTK_CMCTREE_EXPANSION_EXPAND_RECURSIVE);
gtk_binding_entry_add_signal (binding_set,
GDK_KEY_minus, 0,
"change_focus_row_expansion", 1,
G_TYPE_ENUM, GTK_CMCTREE_EXPANSION_COLLAPSE);
gtk_binding_entry_add_signal (binding_set,
GDK_KEY_minus, GDK_CONTROL_MASK,
"change_focus_row_expansion", 1,
G_TYPE_ENUM,
GTK_CMCTREE_EXPANSION_COLLAPSE_RECURSIVE);
gtk_binding_entry_add_signal (binding_set,
GDK_KEY_KP_Subtract, 0,
"change_focus_row_expansion", 1,
G_TYPE_ENUM, GTK_CMCTREE_EXPANSION_COLLAPSE);
gtk_binding_entry_add_signal (binding_set,
GDK_KEY_KP_Subtract, GDK_CONTROL_MASK,
"change_focus_row_expansion", 1,
G_TYPE_ENUM,
GTK_CMCTREE_EXPANSION_COLLAPSE_RECURSIVE);
gtk_binding_entry_add_signal (binding_set,
GDK_KEY_equal, 0,
"change_focus_row_expansion", 1,
G_TYPE_ENUM, GTK_CMCTREE_EXPANSION_TOGGLE);
gtk_binding_entry_add_signal (binding_set,
GDK_KEY_KP_Equal, 0,
"change_focus_row_expansion", 1,
G_TYPE_ENUM, GTK_CMCTREE_EXPANSION_TOGGLE);
gtk_binding_entry_add_signal (binding_set,
GDK_KEY_KP_Multiply, 0,
"change_focus_row_expansion", 1,
G_TYPE_ENUM, GTK_CMCTREE_EXPANSION_TOGGLE);
gtk_binding_entry_add_signal (binding_set,
GDK_KEY_asterisk, 0,
"change_focus_row_expansion", 1,
G_TYPE_ENUM, GTK_CMCTREE_EXPANSION_TOGGLE);
gtk_binding_entry_add_signal (binding_set,
GDK_KEY_KP_Multiply, GDK_CONTROL_MASK,
"change_focus_row_expansion", 1,
G_TYPE_ENUM,
GTK_CMCTREE_EXPANSION_TOGGLE_RECURSIVE);
gtk_binding_entry_add_signal (binding_set,
GDK_KEY_asterisk, GDK_CONTROL_MASK,
"change_focus_row_expansion", 1,
G_TYPE_ENUM,
GTK_CMCTREE_EXPANSION_TOGGLE_RECURSIVE);
}
static void
gtk_cmctree_set_arg (GObject *object,
guint arg_id,
const GValue *value,
GParamSpec *spec)
{
GtkCMCTree *ctree;
GtkCMCList *clist;
ctree = GTK_CMCTREE (object);
clist = GTK_CMCLIST (ctree);
switch (arg_id)
{
case ARG_N_COLUMNS: /* construct-only arg, only set at construction time */
clist->columns = MAX (1, g_value_get_uint (value));
ctree->tree_column = CLAMP (ctree->tree_column, 0, clist->columns);
break;
case ARG_TREE_COLUMN: /* construct-only arg, only set at construction time */
ctree->tree_column = g_value_get_uint (value);
ctree->tree_column = CLAMP (ctree->tree_column, 0, clist->columns);
break;
case ARG_INDENT:
gtk_cmctree_set_indent (ctree, g_value_get_uint (value));
break;
case ARG_SPACING:
gtk_cmctree_set_spacing (ctree, g_value_get_uint (value));
break;
case ARG_SHOW_STUB:
gtk_cmctree_set_show_stub (ctree, g_value_get_boolean (value));
break;
case ARG_LINE_STYLE:
gtk_cmctree_set_line_style (ctree, g_value_get_enum (value));
break;
case ARG_EXPANDER_STYLE:
gtk_cmctree_set_expander_style (ctree, g_value_get_enum (value));
break;
default:
break;
}
}
static void
gtk_cmctree_get_arg (GObject *object,
guint arg_id,
GValue *value,
GParamSpec *spec)
{
GtkCMCTree *ctree;
ctree = GTK_CMCTREE (object);
switch (arg_id)
{
case ARG_N_COLUMNS:
g_value_set_uint(value, GTK_CMCLIST (ctree)->columns);
break;
case ARG_TREE_COLUMN:
g_value_set_uint(value, ctree->tree_column);
break;
case ARG_INDENT:
g_value_set_uint(value, ctree->tree_indent);
break;
case ARG_SPACING:
g_value_set_uint(value, ctree->tree_spacing);
break;
case ARG_SHOW_STUB:
g_value_set_boolean(value, ctree->show_stub);
break;
case ARG_LINE_STYLE:
g_value_set_enum(value, ctree->line_style);
break;
case ARG_EXPANDER_STYLE:
g_value_set_enum(value, ctree->expander_style);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, arg_id, spec);
break;
}
}
static void
gtk_cmctree_init (GtkCMCTree *ctree)
{
GtkCMCList *clist;
GTK_CMCLIST_SET_FLAG (ctree, CMCLIST_DRAW_DRAG_RECT);
GTK_CMCLIST_SET_FLAG (ctree, CMCLIST_DRAW_DRAG_LINE);
clist = GTK_CMCLIST (ctree);
ctree->tree_indent = 20;
ctree->tree_spacing = 5;
ctree->tree_column = 0;
ctree->line_style = GTK_CMCTREE_LINES_NONE;
ctree->expander_style = GTK_CMCTREE_EXPANDER_TRIANGLE;
ctree->drag_compare = NULL;
ctree->show_stub = TRUE;
clist->button_actions[0] |= GTK_CMBUTTON_EXPANDS;
}
static void
ctree_attach_styles (GtkCMCTree *ctree,
GtkCMCTreeNode *node,
gpointer data)
{
GtkCMCList *clist;
gint i;
clist = GTK_CMCLIST (ctree);
if (GTK_CMCTREE_ROW (node)->row.style)
GTK_CMCTREE_ROW (node)->row.style =
gtk_style_attach (GTK_CMCTREE_ROW (node)->row.style, clist->clist_window);
#if !GTK_CHECK_VERSION(3, 0, 0)
if (GTK_CMCTREE_ROW (node)->row.fg_set || GTK_CMCTREE_ROW (node)->row.bg_set)
{
GdkColormap *colormap;
colormap = gtk_widget_get_colormap (GTK_WIDGET (ctree));
if (GTK_CMCTREE_ROW (node)->row.fg_set)
gdk_colormap_alloc_color (colormap, &(GTK_CMCTREE_ROW (node)->row.foreground), TRUE, TRUE);
if (GTK_CMCTREE_ROW (node)->row.bg_set)
gdk_colormap_alloc_color (colormap, &(GTK_CMCTREE_ROW (node)->row.background), TRUE, TRUE);
}
#endif
for (i = 0; i < clist->columns; i++)
if (GTK_CMCTREE_ROW (node)->row.cell[i].style)
GTK_CMCTREE_ROW (node)->row.cell[i].style =
gtk_style_attach (GTK_CMCTREE_ROW (node)->row.cell[i].style,
clist->clist_window);
}
static void
ctree_detach_styles (GtkCMCTree *ctree,
GtkCMCTreeNode *node,
gpointer data)
{
GtkCMCList *clist;
gint i;
clist = GTK_CMCLIST (ctree);
if (GTK_CMCTREE_ROW (node)->row.style)
gtk_style_detach (GTK_CMCTREE_ROW (node)->row.style);
for (i = 0; i < clist->columns; i++)
if (GTK_CMCTREE_ROW (node)->row.cell[i].style)
gtk_style_detach (GTK_CMCTREE_ROW (node)->row.cell[i].style);
}
static void
gtk_cmctree_realize (GtkWidget *widget)
{
GtkCMCTree *ctree;
GtkCMCList *clist;
GtkCMCTreeNode *node;
GtkCMCTreeNode *child;
gint i;
cm_return_if_fail (GTK_IS_CMCTREE (widget));
GTK_WIDGET_CLASS (parent_class)->realize (widget);
ctree = GTK_CMCTREE (widget);
clist = GTK_CMCLIST (widget);
node = GTK_CMCTREE_NODE (clist->row_list);
for (i = 0; i < clist->rows; i++)
{
if (GTK_CMCTREE_ROW (node)->children && !GTK_CMCTREE_ROW (node)->expanded)
for (child = GTK_CMCTREE_ROW (node)->children; child;
child = GTK_CMCTREE_ROW (child)->sibling)
gtk_cmctree_pre_recursive (ctree, child, ctree_attach_styles, NULL);
node = GTK_CMCTREE_NODE_NEXT (node);
}
}
static void
gtk_cmctree_unrealize (GtkWidget *widget)
{
GtkCMCTree *ctree;
GtkCMCList *clist;
cm_return_if_fail (GTK_IS_CMCTREE (widget));
GTK_WIDGET_CLASS (parent_class)->unrealize (widget);
ctree = GTK_CMCTREE (widget);
clist = GTK_CMCLIST (widget);
if (gtk_widget_get_realized (widget))
{
GtkCMCTreeNode *node;
GtkCMCTreeNode *child;
gint i;
node = GTK_CMCTREE_NODE (clist->row_list);
for (i = 0; i < clist->rows; i++)
{
if (GTK_CMCTREE_ROW (node)->children &&
!GTK_CMCTREE_ROW (node)->expanded)
for (child = GTK_CMCTREE_ROW (node)->children; child;
child = GTK_CMCTREE_ROW (child)->sibling)
gtk_cmctree_pre_recursive(ctree, child, ctree_detach_styles, NULL);
node = GTK_CMCTREE_NODE_NEXT (node);
}
}
}
static gint
gtk_cmctree_button_press (GtkWidget *widget,
GdkEventButton *event)
{
GtkCMCTree *ctree;
GtkCMCList *clist;
gint button_actions;
cm_return_val_if_fail (GTK_IS_CMCTREE (widget), FALSE);
cm_return_val_if_fail (event != NULL, FALSE);
ctree = GTK_CMCTREE (widget);
clist = GTK_CMCLIST (widget);
button_actions = clist->button_actions[event->button - 1];
if (button_actions == GTK_CMBUTTON_IGNORED)
return FALSE;
if (event->window == clist->clist_window)
{
GtkCMCTreeNode *work;
gint x;
gint y;
gint row;
gint column;
x = event->x;
y = event->y;
if (!gtk_cmclist_get_selection_info (clist, x, y, &row, &column))
return FALSE;
work = GTK_CMCTREE_NODE (g_list_nth (clist->row_list, row));
if (button_actions & GTK_CMBUTTON_EXPANDS &&
(GTK_CMCTREE_ROW (work)->children && !GTK_CMCTREE_ROW (work)->is_leaf &&
(event->type == GDK_2BUTTON_PRESS ||
ctree_is_hot_spot (ctree, work, row, x, y))))
{
if (GTK_CMCTREE_ROW (work)->expanded)
gtk_cmctree_collapse (ctree, work);
else
gtk_cmctree_expand (ctree, work);
return TRUE;
}
}
return GTK_WIDGET_CLASS (parent_class)->button_press_event (widget, event);
}
static GtkCMCTreeNode *
gtk_cmctree_last_visible (GtkCMCTree *ctree,
GtkCMCTreeNode *node)
{
GtkCMCTreeNode *work;
if (!node)
return NULL;
work = GTK_CMCTREE_ROW (node)->children;
if (!work || !GTK_CMCTREE_ROW (node)->expanded)
return node;
while (GTK_CMCTREE_ROW (work)->sibling)
work = GTK_CMCTREE_ROW (work)->sibling;
return gtk_cmctree_last_visible (ctree, work);
}
static void
gtk_cmctree_link (GtkCMCTree *ctree,
GtkCMCTreeNode *node,
GtkCMCTreeNode *parent,
GtkCMCTreeNode *sibling,
gboolean update_focus_row)
{
GtkCMCList *clist;
GList *list_end;
GList *list;
GList *work;
gboolean visible = FALSE;
gint rows = 0;
if (sibling)
cm_return_if_fail (GTK_CMCTREE_ROW (sibling)->parent == parent);
cm_return_if_fail (node != NULL);
cm_return_if_fail (node != sibling);
cm_return_if_fail (node != parent);
clist = GTK_CMCLIST (ctree);
if (update_focus_row && clist->selection_mode == GTK_SELECTION_MULTIPLE)
{
GTK_CMCLIST_GET_CLASS (clist)->resync_selection (clist, NULL);
g_list_free (clist->undo_selection);
g_list_free (clist->undo_unselection);
clist->undo_selection = NULL;
clist->undo_unselection = NULL;
}
for (rows = 1, list_end = (GList *)node; list_end->next;
list_end = list_end->next)
rows++;
GTK_CMCTREE_ROW (node)->parent = parent;
GTK_CMCTREE_ROW (node)->sibling = sibling;
if (!parent || (parent && (gtk_cmctree_is_viewable (ctree, parent) &&
GTK_CMCTREE_ROW (parent)->expanded)))
{
visible = TRUE;
clist->rows += rows;
}
if (parent)
work = (GList *)(GTK_CMCTREE_ROW (parent)->children);
else
work = clist->row_list;
if (sibling)
{
if (work != (GList *)sibling)
{
while (GTK_CMCTREE_ROW (work)->sibling != sibling)
work = (GList *)(GTK_CMCTREE_ROW (work)->sibling);
GTK_CMCTREE_ROW (work)->sibling = node;
}
if (sibling == GTK_CMCTREE_NODE (clist->row_list))
clist->row_list = (GList *) node;
if (GTK_CMCTREE_NODE_PREV (sibling) &&
GTK_CMCTREE_NODE_NEXT (GTK_CMCTREE_NODE_PREV (sibling)) == sibling)
{
list = (GList *)GTK_CMCTREE_NODE_PREV (sibling);
list->next = (GList *)node;
}
list = (GList *)node;
list->prev = (GList *)GTK_CMCTREE_NODE_PREV (sibling);
list_end->next = (GList *)sibling;
list = (GList *)sibling;
list->prev = list_end;
if (parent && GTK_CMCTREE_ROW (parent)->children == sibling)
GTK_CMCTREE_ROW (parent)->children = node;
}
else
{
if (work)
{
/* find sibling */
while (GTK_CMCTREE_ROW (work)->sibling)
work = (GList *)(GTK_CMCTREE_ROW (work)->sibling);
GTK_CMCTREE_ROW (work)->sibling = node;
/* find last visible child of sibling */
work = (GList *) gtk_cmctree_last_visible (ctree,
GTK_CMCTREE_NODE (work));
list_end->next = work->next;
if (work->next)
list = work->next->prev = list_end;
work->next = (GList *)node;
list = (GList *)node;
list->prev = work;
}
else
{
if (parent)
{
GTK_CMCTREE_ROW (parent)->children = node;
list = (GList *)node;
list->prev = (GList *)parent;
if (GTK_CMCTREE_ROW (parent)->expanded)
{
list_end->next = (GList *)GTK_CMCTREE_NODE_NEXT (parent);
if (GTK_CMCTREE_NODE_NEXT(parent))
{
list = (GList *)GTK_CMCTREE_NODE_NEXT (parent);
list->prev = list_end;
}
list = (GList *)parent;
list->next = (GList *)node;
}
else
list_end->next = NULL;
}
else
{
clist->row_list = (GList *)node;
list = (GList *)node;
list->prev = NULL;
list_end->next = NULL;
}
}
}
gtk_cmctree_pre_recursive (ctree, node, tree_update_level, NULL);
if (clist->row_list_end == NULL ||
clist->row_list_end->next == (GList *)node)
clist->row_list_end = list_end;
if (visible && update_focus_row)
{
gint pos;
pos = g_list_position (clist->row_list, (GList *)node);
if (pos <= clist->focus_row)
{
clist->focus_row += rows;
clist->undo_anchor = clist->focus_row;
}
}
}
static void
gtk_cmctree_unlink (GtkCMCTree *ctree,
GtkCMCTreeNode *node,
gboolean update_focus_row)
{
GtkCMCList *clist;
gint rows;
gint level;
gint visible;
GtkCMCTreeNode *work;
GtkCMCTreeNode *parent;
GList *list;
cm_return_if_fail (GTK_IS_CMCTREE (ctree));
cm_return_if_fail (node != NULL);
clist = GTK_CMCLIST (ctree);
if (update_focus_row && clist->selection_mode == GTK_SELECTION_MULTIPLE)
{
GTK_CMCLIST_GET_CLASS (clist)->resync_selection (clist, NULL);
g_list_free (clist->undo_selection);
g_list_free (clist->undo_unselection);
clist->undo_selection = NULL;
clist->undo_unselection = NULL;
}
visible = gtk_cmctree_is_viewable (ctree, node);
/* clist->row_list_end unlinked ? */
if (visible &&
(GTK_CMCTREE_NODE_NEXT (node) == NULL ||
(GTK_CMCTREE_ROW (node)->children &&
gtk_cmctree_is_ancestor (ctree, node,
GTK_CMCTREE_NODE (clist->row_list_end)))))
clist->row_list_end = (GList *) (GTK_CMCTREE_NODE_PREV (node));
/* update list */
rows = 0;
level = GTK_CMCTREE_ROW (node)->level;
work = GTK_CMCTREE_NODE_NEXT (node);
while (work && GTK_CMCTREE_ROW (work)->level > level)
{
work = GTK_CMCTREE_NODE_NEXT (work);
rows++;
}
if (visible)
{
clist->rows -= (rows + 1);
if (update_focus_row)
{
gint pos;
pos = g_list_position (clist->row_list, (GList *)node);
if (pos + rows < clist->focus_row)
clist->focus_row -= (rows + 1);
else if (pos <= clist->focus_row)
{
if (!GTK_CMCTREE_ROW (node)->sibling)
clist->focus_row = MAX (pos - 1, 0);
else
clist->focus_row = pos;
clist->focus_row = MIN (clist->focus_row, clist->rows - 1);
}
clist->undo_anchor = clist->focus_row;
}
}
if (work)
{
list = (GList *)GTK_CMCTREE_NODE_PREV (work);
list->next = NULL;
list = (GList *)work;
list->prev = (GList *)GTK_CMCTREE_NODE_PREV (node);
}
if (GTK_CMCTREE_NODE_PREV (node) &&
GTK_CMCTREE_NODE_NEXT (GTK_CMCTREE_NODE_PREV (node)) == node)
{
list = (GList *)GTK_CMCTREE_NODE_PREV (node);
list->next = (GList *)work;
}
/* update tree */
parent = GTK_CMCTREE_ROW (node)->parent;
if (parent)
{
if (GTK_CMCTREE_ROW (parent)->children == node)
{
GTK_CMCTREE_ROW (parent)->children = GTK_CMCTREE_ROW (node)->sibling;
if (!GTK_CMCTREE_ROW (parent)->children)
gtk_cmctree_collapse (ctree, parent);
}
else
{
GtkCMCTreeNode *sibling;
sibling = GTK_CMCTREE_ROW (parent)->children;
while (GTK_CMCTREE_ROW (sibling)->sibling != node)
sibling = GTK_CMCTREE_ROW (sibling)->sibling;
GTK_CMCTREE_ROW (sibling)->sibling = GTK_CMCTREE_ROW (node)->sibling;
}
}
else
{
if (clist->row_list == (GList *)node)
clist->row_list = (GList *) (GTK_CMCTREE_ROW (node)->sibling);
else
{
GtkCMCTreeNode *sibling;
sibling = GTK_CMCTREE_NODE (clist->row_list);
while (GTK_CMCTREE_ROW (sibling)->sibling != node)
sibling = GTK_CMCTREE_ROW (sibling)->sibling;
GTK_CMCTREE_ROW (sibling)->sibling = GTK_CMCTREE_ROW (node)->sibling;
}
}
}
static void
real_row_move (GtkCMCList *clist,
gint source_row,
gint dest_row)
{
GtkCMCTree *ctree;
GtkCMCTreeNode *node;
cm_return_if_fail (GTK_IS_CMCTREE (clist));
if (GTK_CMCLIST_AUTO_SORT (clist))
return;
if (source_row < 0 || source_row >= clist->rows ||
dest_row < 0 || dest_row >= clist->rows ||
source_row == dest_row)
return;
ctree = GTK_CMCTREE (clist);
node = GTK_CMCTREE_NODE (g_list_nth (clist->row_list, source_row));
if (source_row < dest_row)
{
GtkCMCTreeNode *work;
dest_row++;
work = GTK_CMCTREE_ROW (node)->children;
while (work && GTK_CMCTREE_ROW (work)->level > GTK_CMCTREE_ROW (node)->level)
{
work = GTK_CMCTREE_NODE_NEXT (work);
dest_row++;
}
if (dest_row > clist->rows)
dest_row = clist->rows;
}
if (dest_row < clist->rows)
{
GtkCMCTreeNode *sibling;
sibling = GTK_CMCTREE_NODE (g_list_nth (clist->row_list, dest_row));
gtk_cmctree_move (ctree, node, GTK_CMCTREE_ROW (sibling)->parent, sibling);
}
else
gtk_cmctree_move (ctree, node, NULL, NULL);
}
static void
real_tree_move (GtkCMCTree *ctree,
GtkCMCTreeNode *node,
GtkCMCTreeNode *new_parent,
GtkCMCTreeNode *new_sibling)
{
GtkCMCList *clist;
GtkCMCTreeNode *work;
gboolean visible = FALSE;
cm_return_if_fail (ctree != NULL);
cm_return_if_fail (node != NULL);
cm_return_if_fail (!new_sibling ||
GTK_CMCTREE_ROW (new_sibling)->parent == new_parent);
if (new_parent && GTK_CMCTREE_ROW (new_parent)->is_leaf)
return;
/* new_parent != child of child */
for (work = new_parent; work; work = GTK_CMCTREE_ROW (work)->parent)
if (work == node)
return;
clist = GTK_CMCLIST (ctree);
visible = gtk_cmctree_is_viewable (ctree, node);
if (clist->selection_mode == GTK_SELECTION_MULTIPLE)
{
GTK_CMCLIST_GET_CLASS (clist)->resync_selection (clist, NULL);
g_list_free (clist->undo_selection);
g_list_free (clist->undo_unselection);
clist->undo_selection = NULL;
clist->undo_unselection = NULL;
}
if (GTK_CMCLIST_AUTO_SORT (clist))
{
if (new_parent == GTK_CMCTREE_ROW (node)->parent)
return;
if (new_parent)
new_sibling = GTK_CMCTREE_ROW (new_parent)->children;
else
new_sibling = GTK_CMCTREE_NODE (clist->row_list);
while (new_sibling && clist->compare
(clist, GTK_CMCTREE_ROW (node), GTK_CMCTREE_ROW (new_sibling)) > 0)
new_sibling = GTK_CMCTREE_ROW (new_sibling)->sibling;
}
if (new_parent == GTK_CMCTREE_ROW (node)->parent &&
new_sibling == GTK_CMCTREE_ROW (node)->sibling)
return;
gtk_cmclist_freeze (clist);
work = NULL;
if (gtk_cmctree_is_viewable (ctree, node))
work = GTK_CMCTREE_NODE (g_list_nth (clist->row_list, clist->focus_row));
gtk_cmctree_unlink (ctree, node, FALSE);
gtk_cmctree_link (ctree, node, new_parent, new_sibling, FALSE);
if (work)
{
while (work && !gtk_cmctree_is_viewable (ctree, work))
work = GTK_CMCTREE_ROW (work)->parent;
clist->focus_row = g_list_position (clist->row_list, (GList *)work);
clist->undo_anchor = clist->focus_row;
}
if (clist->column[ctree->tree_column].auto_resize &&
!GTK_CMCLIST_AUTO_RESIZE_BLOCKED (clist) &&
(visible || gtk_cmctree_is_viewable (ctree, node)))
gtk_cmclist_set_column_width
(clist, ctree->tree_column,
gtk_cmclist_optimal_column_width (clist, ctree->tree_column));
gtk_cmclist_thaw (clist);
}
static void
change_focus_row_expansion (GtkCMCTree *ctree,
GtkCMCTreeExpansionType action)
{
GtkCMCList *clist;
GtkCMCTreeNode *node;
cm_return_if_fail (GTK_IS_CMCTREE (ctree));
clist = GTK_CMCLIST (ctree);
if (gdk_display_pointer_is_grabbed (gtk_widget_get_display (GTK_WIDGET (ctree))) &&
gtk_widget_has_grab (GTK_WIDGET(ctree)))
return;
if (!(node =
GTK_CMCTREE_NODE (g_list_nth (clist->row_list, clist->focus_row))) ||
GTK_CMCTREE_ROW (node)->is_leaf || !(GTK_CMCTREE_ROW (node)->children))
return;
switch (action)
{
case GTK_CMCTREE_EXPANSION_EXPAND:
gtk_cmctree_expand (ctree, node);
break;
case GTK_CMCTREE_EXPANSION_EXPAND_RECURSIVE:
gtk_cmctree_expand_recursive (ctree, node);
break;
case GTK_CMCTREE_EXPANSION_COLLAPSE:
gtk_cmctree_collapse (ctree, node);
break;
case GTK_CMCTREE_EXPANSION_COLLAPSE_RECURSIVE:
gtk_cmctree_collapse_recursive (ctree, node);
break;
case GTK_CMCTREE_EXPANSION_TOGGLE:
gtk_cmctree_toggle_expansion (ctree, node);
break;
case GTK_CMCTREE_EXPANSION_TOGGLE_RECURSIVE:
gtk_cmctree_toggle_expansion_recursive (ctree, node);
break;
}
}
static void
real_tree_expand (GtkCMCTree *ctree,
GtkCMCTreeNode *node)
{
GtkCMCList *clist;
GtkCMCTreeNode *work;
GtkRequisition requisition;
gboolean visible;
cm_return_if_fail (GTK_IS_CMCTREE (ctree));
if (!node || GTK_CMCTREE_ROW (node)->expanded || GTK_CMCTREE_ROW (node)->is_leaf)
return;
clist = GTK_CMCLIST (ctree);
GTK_CMCLIST_GET_CLASS (clist)->resync_selection (clist, NULL);
GTK_CMCTREE_ROW (node)->expanded = TRUE;
visible = gtk_cmctree_is_viewable (ctree, node);
/* get cell width if tree_column is auto resized */
if (visible && clist->column[ctree->tree_column].auto_resize &&
!GTK_CMCLIST_AUTO_RESIZE_BLOCKED (clist))
GTK_CMCLIST_GET_CLASS (clist)->cell_size_request
(clist, &GTK_CMCTREE_ROW (node)->row, ctree->tree_column, &requisition);
/* unref/unset closed pixbuf */
if (GTK_CMCELL_PIXTEXT
(GTK_CMCTREE_ROW (node)->row.cell[ctree->tree_column])->pixbuf)
{
g_object_unref
(GTK_CMCELL_PIXTEXT
(GTK_CMCTREE_ROW (node)->row.cell[ctree->tree_column])->pixbuf);
GTK_CMCELL_PIXTEXT
(GTK_CMCTREE_ROW (node)->row.cell[ctree->tree_column])->pixbuf = NULL;
}
/* set/ref opened pixbuf */
if (GTK_CMCTREE_ROW (node)->pixbuf_opened)
{
GTK_CMCELL_PIXTEXT
(GTK_CMCTREE_ROW (node)->row.cell[ctree->tree_column])->pixbuf =
g_object_ref (GTK_CMCTREE_ROW (node)->pixbuf_opened);
}
work = GTK_CMCTREE_ROW (node)->children;
if (work)
{
GList *list = (GList *)work;
gint *cell_width = NULL;
gint tmp = 0;
gint row;
gint i;
if (visible && !GTK_CMCLIST_AUTO_RESIZE_BLOCKED (clist))
{
cell_width = g_new0 (gint, clist->columns);
if (clist->column[ctree->tree_column].auto_resize)
cell_width[ctree->tree_column] = requisition.width;
while (work)
{
/* search maximum cell widths of auto_resize columns */
for (i = 0; i < clist->columns; i++)
if (clist->column[i].auto_resize)
{
GTK_CMCLIST_GET_CLASS (clist)->cell_size_request
(clist, &GTK_CMCTREE_ROW (work)->row, i, &requisition);
cell_width[i] = MAX (requisition.width, cell_width[i]);
}
list = (GList *)work;
work = GTK_CMCTREE_NODE_NEXT (work);
tmp++;
}
}
else
while (work)
{
list = (GList *)work;
work = GTK_CMCTREE_NODE_NEXT (work);
tmp++;
}
list->next = (GList *)GTK_CMCTREE_NODE_NEXT (node);
if (GTK_CMCTREE_NODE_NEXT (node))
{
GList *tmp_list;
tmp_list = (GList *)GTK_CMCTREE_NODE_NEXT (node);
tmp_list->prev = list;
}
else
clist->row_list_end = list;
list = (GList *)node;
list->next = (GList *)(GTK_CMCTREE_ROW (node)->children);
if (visible && !GTK_CMCLIST_AUTO_RESIZE_BLOCKED (clist))
{
/* resize auto_resize columns if needed */
for (i = 0; i < clist->columns; i++)
if (clist->column[i].auto_resize &&
cell_width[i] > clist->column[i].width)
gtk_cmclist_set_column_width (clist, i, cell_width[i]);
g_free (cell_width);
/* update focus_row position */
row = g_list_position (clist->row_list, (GList *)node);
if (row < clist->focus_row)
clist->focus_row += tmp;
clist->rows += tmp;
CLIST_REFRESH (clist);
}
}
else if (visible && clist->column[ctree->tree_column].auto_resize)
/* resize tree_column if needed */
column_auto_resize (clist, &GTK_CMCTREE_ROW (node)->row, ctree->tree_column,
requisition.width);
}
static void
real_tree_collapse (GtkCMCTree *ctree,
GtkCMCTreeNode *node)
{
GtkCMCList *clist;
GtkCMCTreeNode *work;
GtkRequisition requisition;
gboolean visible;
gint level;
cm_return_if_fail (GTK_IS_CMCTREE (ctree));
if (!node || !GTK_CMCTREE_ROW (node)->expanded ||
GTK_CMCTREE_ROW (node)->is_leaf)
return;
clist = GTK_CMCLIST (ctree);
GTK_CMCLIST_GET_CLASS (clist)->resync_selection (clist, NULL);
GTK_CMCTREE_ROW (node)->expanded = FALSE;
level = GTK_CMCTREE_ROW (node)->level;
visible = gtk_cmctree_is_viewable (ctree, node);
/* get cell width if tree_column is auto resized */
if (visible && clist->column[ctree->tree_column].auto_resize &&
!GTK_CMCLIST_AUTO_RESIZE_BLOCKED (clist))
GTK_CMCLIST_GET_CLASS (clist)->cell_size_request
(clist, &GTK_CMCTREE_ROW (node)->row, ctree->tree_column, &requisition);
/* unref/unset opened pixbuf */
if (GTK_CMCELL_PIXTEXT
(GTK_CMCTREE_ROW (node)->row.cell[ctree->tree_column])->pixbuf)
{
g_object_unref
(GTK_CMCELL_PIXTEXT
(GTK_CMCTREE_ROW (node)->row.cell[ctree->tree_column])->pixbuf);
GTK_CMCELL_PIXTEXT
(GTK_CMCTREE_ROW (node)->row.cell[ctree->tree_column])->pixbuf = NULL;
}
/* set/ref closed pixbuf */
if (GTK_CMCTREE_ROW (node)->pixbuf_closed)
{
GTK_CMCELL_PIXTEXT
(GTK_CMCTREE_ROW (node)->row.cell[ctree->tree_column])->pixbuf =
g_object_ref (GTK_CMCTREE_ROW (node)->pixbuf_closed);
}
work = GTK_CMCTREE_ROW (node)->children;
if (work)
{
gint tmp = 0;
gint row;
GList *list;
while (work && GTK_CMCTREE_ROW (work)->level > level)
{
work = GTK_CMCTREE_NODE_NEXT (work);
tmp++;
}
if (work)
{
list = (GList *)node;
list->next = (GList *)work;
list = (GList *)GTK_CMCTREE_NODE_PREV (work);
list->next = NULL;
list = (GList *)work;
list->prev = (GList *)node;
}
else
{
list = (GList *)node;
list->next = NULL;
clist->row_list_end = (GList *)node;
}
if (visible)
{
/* resize auto_resize columns if needed */
auto_resize_columns (clist);
row = g_list_position (clist->row_list, (GList *)node);
if (row < clist->focus_row)
clist->focus_row -= tmp;
clist->rows -= tmp;
CLIST_REFRESH (clist);
}
}
else if (visible && clist->column[ctree->tree_column].auto_resize &&
!GTK_CMCLIST_AUTO_RESIZE_BLOCKED (clist))
/* resize tree_column if needed */
column_auto_resize (clist, &GTK_CMCTREE_ROW (node)->row, ctree->tree_column,
requisition.width);
}
static void
column_auto_resize (GtkCMCList *clist,
GtkCMCListRow *clist_row,
gint column,
gint old_width)
{
/* resize column if needed for auto_resize */
GtkRequisition requisition;
if (!clist->column[column].auto_resize ||
GTK_CMCLIST_AUTO_RESIZE_BLOCKED (clist))
return;
if (clist_row)
GTK_CMCLIST_GET_CLASS (clist)->cell_size_request (clist, clist_row,
column, &requisition);
else
requisition.width = 0;
if (requisition.width > clist->column[column].width)
gtk_cmclist_set_column_width (clist, column, requisition.width);
else if (requisition.width < old_width &&
old_width == clist->column[column].width)
{
GList *list;
gint new_width;
/* run a "gtk_cmclist_optimal_column_width" but break, if
* the column doesn't shrink */
if (GTK_CMCLIST_SHOW_TITLES (clist) && clist->column[column].button)
{
GtkRequisition req;
gtk_widget_get_requisition (clist->column[column].button, &req);
new_width = (req.width -
(CELL_SPACING + (2 * COLUMN_INSET)));
}
else
new_width = 0;
for (list = clist->row_list; list; list = list->next)
{
GTK_CMCLIST_GET_CLASS (clist)->cell_size_request
(clist, GTK_CMCLIST_ROW (list), column, &requisition);
new_width = MAX (new_width, requisition.width);
if (new_width == clist->column[column].width)
break;
}
if (new_width < clist->column[column].width)
gtk_cmclist_set_column_width (clist, column, new_width);
}
}
static void
auto_resize_columns (GtkCMCList *clist)
{
gint i;
if (GTK_CMCLIST_AUTO_RESIZE_BLOCKED (clist))
return;
for (i = 0; i < clist->columns; i++)
column_auto_resize (clist, NULL, i, clist->column[i].width);
}
static void
cell_size_request (GtkCMCList *clist,
GtkCMCListRow *clist_row,
gint column,
GtkRequisition *requisition)
{
GtkCMCTree *ctree;
gint width;
gint height;
PangoLayout *layout;
PangoRectangle logical_rect;
cm_return_if_fail (GTK_IS_CMCTREE (clist));
cm_return_if_fail (requisition != NULL);
ctree = GTK_CMCTREE (clist);
layout = create_cell_layout (clist, clist_row, column);
if (layout)
{
pango_layout_get_pixel_extents (layout, NULL, &logical_rect);
requisition->width = logical_rect.width;
requisition->height = logical_rect.height;
g_object_unref (G_OBJECT (layout));
}
else
{
requisition->width = 0;
requisition->height = 0;
}
switch (clist_row->cell[column].type)
{
case GTK_CMCELL_PIXTEXT:
if (GTK_CMCELL_PIXTEXT (clist_row->cell[column])->pixbuf)
{
width = gdk_pixbuf_get_width(GTK_CMCELL_PIXTEXT (clist_row->cell[column])->pixbuf);
height = gdk_pixbuf_get_height(GTK_CMCELL_PIXTEXT (clist_row->cell[column])->pixbuf);
width += GTK_CMCELL_PIXTEXT (clist_row->cell[column])->spacing;
}
else
width = height = 0;
requisition->width += width;
requisition->height = MAX (requisition->height, height);
if (column == ctree->tree_column)
{
requisition->width += (ctree->tree_spacing + ctree->tree_indent *
(((GtkCMCTreeRow *) clist_row)->level - 1));
switch (ctree->expander_style)
{
case GTK_CMCTREE_EXPANDER_NONE:
break;
case GTK_CMCTREE_EXPANDER_TRIANGLE:
requisition->width += PM_SIZE + 3;
break;
}
}
break;
case GTK_CMCELL_PIXBUF:
width = gdk_pixbuf_get_width(GTK_CMCELL_PIXBUF (clist_row->cell[column])->pixbuf);
height = gdk_pixbuf_get_height(GTK_CMCELL_PIXBUF (clist_row->cell[column])->pixbuf);
requisition->width += width;
requisition->height = MAX (requisition->height, height);
break;
default:
break;
}
requisition->width += clist_row->cell[column].horizontal;
requisition->height += clist_row->cell[column].vertical;
}
static void
set_cell_contents (GtkCMCList *clist,
GtkCMCListRow *clist_row,
gint column,
GtkCMCellType type,
const gchar *text,
guint8 spacing,
GdkPixbuf *pixbuf)
{
gboolean visible = FALSE;
GtkCMCTree *ctree;
GtkRequisition requisition;
gchar *old_text = NULL;
GdkPixbuf *old_pixbuf = NULL;
cm_return_if_fail (GTK_IS_CMCTREE (clist));
cm_return_if_fail (clist_row != NULL);
ctree = GTK_CMCTREE (clist);
if (clist->column[column].auto_resize &&
!GTK_CMCLIST_AUTO_RESIZE_BLOCKED (clist))
{
GtkCMCTreeNode *parent;
parent = ((GtkCMCTreeRow *)clist_row)->parent;
if ((parent && GTK_CMCTREE_ROW (parent)->expanded &&
gtk_cmctree_is_viewable (ctree, parent)))
{
visible = TRUE;
GTK_CMCLIST_GET_CLASS (clist)->cell_size_request (clist, clist_row,
column, &requisition);
}
}
switch (clist_row->cell[column].type)
{
case GTK_CMCELL_EMPTY:
break;
case GTK_CMCELL_TEXT:
old_text = GTK_CMCELL_TEXT (clist_row->cell[column])->text;
break;
case GTK_CMCELL_PIXBUF:
old_pixbuf = GTK_CMCELL_PIXBUF (clist_row->cell[column])->pixbuf;
break;
case GTK_CMCELL_PIXTEXT:
old_text = GTK_CMCELL_PIXTEXT (clist_row->cell[column])->text;
old_pixbuf = GTK_CMCELL_PIXTEXT (clist_row->cell[column])->pixbuf;
break;
case GTK_CMCELL_WIDGET:
/* unimplemented */
break;
default:
break;
}
clist_row->cell[column].type = GTK_CMCELL_EMPTY;
if (column == ctree->tree_column && type != GTK_CMCELL_EMPTY)
type = GTK_CMCELL_PIXTEXT;
/* Note that pixbuf and mask were already ref'ed by the caller
*/
switch (type)
{
case GTK_CMCELL_TEXT:
if (text)
{
clist_row->cell[column].type = GTK_CMCELL_TEXT;
GTK_CMCELL_TEXT (clist_row->cell[column])->text = g_strdup (text);
}
break;
case GTK_CMCELL_PIXBUF:
if (pixbuf)
{
clist_row->cell[column].type = GTK_CMCELL_PIXBUF;
GTK_CMCELL_PIXBUF (clist_row->cell[column])->pixbuf = pixbuf;
}
break;
case GTK_CMCELL_PIXTEXT:
if (column == ctree->tree_column)
{
clist_row->cell[column].type = GTK_CMCELL_PIXTEXT;
GTK_CMCELL_PIXTEXT (clist_row->cell[column])->spacing = spacing;
if (text)
GTK_CMCELL_PIXTEXT (clist_row->cell[column])->text = g_strdup (text);
else
GTK_CMCELL_PIXTEXT (clist_row->cell[column])->text = NULL;
if (pixbuf)
{
GTK_CMCELL_PIXTEXT (clist_row->cell[column])->pixbuf = pixbuf;
}
else
{
GTK_CMCELL_PIXTEXT (clist_row->cell[column])->pixbuf = NULL;
}
}
else if (text && pixbuf)
{
clist_row->cell[column].type = GTK_CMCELL_PIXTEXT;
GTK_CMCELL_PIXTEXT (clist_row->cell[column])->text = g_strdup (text);
GTK_CMCELL_PIXTEXT (clist_row->cell[column])->spacing = spacing;
GTK_CMCELL_PIXTEXT (clist_row->cell[column])->pixbuf = pixbuf;
}
break;
default:
break;
}
if (visible && clist->column[column].auto_resize &&
!GTK_CMCLIST_AUTO_RESIZE_BLOCKED (clist))
column_auto_resize (clist, clist_row, column, requisition.width);
g_free (old_text);
if (old_pixbuf)
g_object_unref (old_pixbuf);
}
static void
set_node_info (GtkCMCTree *ctree,
GtkCMCTreeNode *node,
const gchar *text,
guint8 spacing,
GdkPixbuf *pixbuf_closed,
GdkPixbuf *pixbuf_opened,
gboolean is_leaf,
gboolean expanded)
{
if (GTK_CMCTREE_ROW (node)->pixbuf_opened)
{
g_object_unref (GTK_CMCTREE_ROW (node)->pixbuf_opened);
}
if (GTK_CMCTREE_ROW (node)->pixbuf_closed)
{
g_object_unref (GTK_CMCTREE_ROW (node)->pixbuf_closed);
}
GTK_CMCTREE_ROW (node)->pixbuf_opened = NULL;
GTK_CMCTREE_ROW (node)->pixbuf_closed = NULL;
if (pixbuf_closed)
{
GTK_CMCTREE_ROW (node)->pixbuf_closed = g_object_ref (pixbuf_closed);
}
if (pixbuf_opened)
{
GTK_CMCTREE_ROW (node)->pixbuf_opened = g_object_ref (pixbuf_opened);
}
GTK_CMCTREE_ROW (node)->is_leaf = is_leaf;
GTK_CMCTREE_ROW (node)->expanded = (is_leaf) ? FALSE : expanded;
if (GTK_CMCTREE_ROW (node)->expanded)
gtk_cmctree_node_set_pixtext (ctree, node, ctree->tree_column,
text, spacing, pixbuf_opened);
else
gtk_cmctree_node_set_pixtext (ctree, node, ctree->tree_column,
text, spacing, pixbuf_closed);
}
static void
tree_delete (GtkCMCTree *ctree,
GtkCMCTreeNode *node,
gpointer data)
{
tree_unselect (ctree, node, NULL);
row_delete (ctree, GTK_CMCTREE_ROW (node));
g_list_free_1 ((GList *)node);
}
static void
tree_delete_row (GtkCMCTree *ctree,
GtkCMCTreeNode *node,
gpointer data)
{
row_delete (ctree, GTK_CMCTREE_ROW (node));
g_list_free_1 ((GList *)node);
}
static void
tree_update_level (GtkCMCTree *ctree,
GtkCMCTreeNode *node,
gpointer data)
{
if (!node)
return;
if (GTK_CMCTREE_ROW (node)->parent)
GTK_CMCTREE_ROW (node)->level =
GTK_CMCTREE_ROW (GTK_CMCTREE_ROW (node)->parent)->level + 1;
else
GTK_CMCTREE_ROW (node)->level = 1;
}
static void
tree_select (GtkCMCTree *ctree,
GtkCMCTreeNode *node,
gpointer data)
{
if (node && GTK_CMCTREE_ROW (node)->row.state != GTK_STATE_SELECTED &&
GTK_CMCTREE_ROW (node)->row.selectable)
g_signal_emit (G_OBJECT (ctree), ctree_signals[TREE_SELECT_ROW], 0,
node, -1);
}
static void
tree_unselect (GtkCMCTree *ctree,
GtkCMCTreeNode *node,
gpointer data)
{
if (node && GTK_CMCTREE_ROW (node)->row.state == GTK_STATE_SELECTED)
g_signal_emit (G_OBJECT (ctree), ctree_signals[TREE_UNSELECT_ROW], 0,
node, -1);
}
static void
tree_expand (GtkCMCTree *ctree,
GtkCMCTreeNode *node,
gpointer data)
{
if (node && !GTK_CMCTREE_ROW (node)->expanded)
g_signal_emit (G_OBJECT (ctree), ctree_signals[TREE_EXPAND], 0,node);
}
static void
tree_collapse (GtkCMCTree *ctree,
GtkCMCTreeNode *node,
gpointer data)
{
if (node && GTK_CMCTREE_ROW (node)->expanded)
g_signal_emit (G_OBJECT (ctree), ctree_signals[TREE_COLLAPSE], 0,node);
}
static void
tree_collapse_to_depth (GtkCMCTree *ctree,
GtkCMCTreeNode *node,
gint depth)
{
if (node && GTK_CMCTREE_ROW (node)->level == depth)
gtk_cmctree_collapse_recursive (ctree, node);
}
static void
tree_toggle_expansion (GtkCMCTree *ctree,
GtkCMCTreeNode *node,
gpointer data)
{
if (!node)
return;
if (GTK_CMCTREE_ROW (node)->expanded)
g_signal_emit (G_OBJECT (ctree), ctree_signals[TREE_COLLAPSE], 0,node);
else
g_signal_emit (G_OBJECT (ctree), ctree_signals[TREE_EXPAND], 0,node);
}
static GtkCMCTreeRow *
row_new (GtkCMCTree *ctree)
{
GtkCMCList *clist;
GtkCMCTreeRow *ctree_row;
int i;
clist = GTK_CMCLIST (ctree);
ctree_row = g_slice_new (GtkCMCTreeRow);
ctree_row->row.cell = g_slice_alloc (sizeof (GtkCMCell) * clist->columns);
for (i = 0; i < clist->columns; i++)
{
ctree_row->row.cell[i].type = GTK_CMCELL_EMPTY;
ctree_row->row.cell[i].vertical = 0;
ctree_row->row.cell[i].horizontal = 0;
ctree_row->row.cell[i].style = NULL;
}
GTK_CMCELL_PIXTEXT (ctree_row->row.cell[ctree->tree_column])->text = NULL;
ctree_row->row.fg_set = FALSE;
ctree_row->row.bg_set = FALSE;
ctree_row->row.style = NULL;
ctree_row->row.selectable = TRUE;
ctree_row->row.state = GTK_STATE_NORMAL;
ctree_row->row.data = NULL;
ctree_row->row.destroy = NULL;
ctree_row->level = 0;
ctree_row->expanded = FALSE;
ctree_row->parent = NULL;
ctree_row->sibling = NULL;
ctree_row->children = NULL;
ctree_row->pixbuf_closed = NULL;
ctree_row->pixbuf_opened = NULL;
return ctree_row;
}
static void
row_delete (GtkCMCTree *ctree,
GtkCMCTreeRow *ctree_row)
{
GtkCMCList *clist;
gint i;
clist = GTK_CMCLIST (ctree);
for (i = 0; i < clist->columns; i++)
{
GTK_CMCLIST_GET_CLASS (clist)->set_cell_contents
(clist, &(ctree_row->row), i, GTK_CMCELL_EMPTY, NULL, 0, NULL);
if (ctree_row->row.cell[i].style)
{
if (gtk_widget_get_realized (GTK_WIDGET(ctree)))
gtk_style_detach (ctree_row->row.cell[i].style);
g_object_unref (ctree_row->row.cell[i].style);
}
}
if (ctree_row->row.style)
{
if (gtk_widget_get_realized (GTK_WIDGET(ctree)))
gtk_style_detach (ctree_row->row.style);
g_object_unref (ctree_row->row.style);
}
if (ctree_row->pixbuf_closed)
{
g_object_unref (ctree_row->pixbuf_closed);
}
if (ctree_row->pixbuf_opened)
{
g_object_unref (ctree_row->pixbuf_opened);
}
if (ctree_row->row.destroy)
{
GDestroyNotify dnotify = ctree_row->row.destroy;
gpointer ddata = ctree_row->row.data;
ctree_row->row.destroy = NULL;
ctree_row->row.data = NULL;
dnotify (ddata);
}
g_slice_free1 (sizeof (GtkCMCell) * clist->columns, ctree_row->row.cell);
g_slice_free (GtkCMCTreeRow, ctree_row);
}
static void
real_select_row (GtkCMCList *clist,
gint row,
gint column,
GdkEvent *event)
{
GList *node;
cm_return_if_fail (GTK_IS_CMCTREE (clist));
if ((node = g_list_nth (clist->row_list, row)) &&
GTK_CMCTREE_ROW (node)->row.selectable)
g_signal_emit (G_OBJECT (clist), ctree_signals[TREE_SELECT_ROW],0,
node, column);
}
static void
real_unselect_row (GtkCMCList *clist,
gint row,
gint column,
GdkEvent *event)
{
GList *node;
cm_return_if_fail (GTK_IS_CMCTREE (clist));
if ((node = g_list_nth (clist->row_list, row)))
g_signal_emit (G_OBJECT (clist), ctree_signals[TREE_UNSELECT_ROW],0,
node, column);
}
static void
tree_draw_node (GtkCMCTree *ctree,
GtkCMCTreeNode *node)
{
GtkCMCList *clist;
clist = GTK_CMCLIST (ctree);
if (CLIST_UNFROZEN (clist) && gtk_cmctree_is_viewable (ctree, node))
{
GtkCMCTreeNode *work;
gint num = 0;
work = GTK_CMCTREE_NODE (clist->row_list);
while (work && work != node)
{
work = GTK_CMCTREE_NODE_NEXT (work);
num++;
}
if (work && gtk_cmclist_row_is_visible (clist, num) != GTK_VISIBILITY_NONE)
GTK_CMCLIST_GET_CLASS(ctree)->draw_row
(clist, NULL, num, GTK_CMCLIST_ROW ((GList *) node));
}
}
static void
real_tree_select (GtkCMCTree *ctree,
GtkCMCTreeNode *node,
gint column)
{
GtkCMCList *clist;
GList *list;
GtkCMCTreeNode *sel_row;
gboolean node_selected;
cm_return_if_fail (GTK_IS_CMCTREE (ctree));
if (!node || GTK_CMCTREE_ROW (node)->row.state == GTK_STATE_SELECTED ||
!GTK_CMCTREE_ROW (node)->row.selectable)
return;
clist = GTK_CMCLIST (ctree);
switch (clist->selection_mode)
{
case GTK_SELECTION_SINGLE:
case GTK_SELECTION_BROWSE:
node_selected = FALSE;
list = clist->selection;
while (list)
{
sel_row = list->data;
list = list->next;
if (node == sel_row)
node_selected = TRUE;
else
g_signal_emit (G_OBJECT (ctree),
ctree_signals[TREE_UNSELECT_ROW], 0, sel_row, column);
}
if (node_selected)
return;
default:
break;
}
GTK_CMCTREE_ROW (node)->row.state = GTK_STATE_SELECTED;
if (!clist->selection)
{
clist->selection = g_list_append (clist->selection, node);
clist->selection_end = clist->selection;
}
else
clist->selection_end = g_list_append (clist->selection_end, node)->next;
tree_draw_node (ctree, node);
}
static void
real_tree_unselect (GtkCMCTree *ctree,
GtkCMCTreeNode *node,
gint column)
{
GtkCMCList *clist;
cm_return_if_fail (GTK_IS_CMCTREE (ctree));
if (!node || GTK_CMCTREE_ROW (node)->row.state != GTK_STATE_SELECTED)
return;
clist = GTK_CMCLIST (ctree);
if (clist->selection_end && clist->selection_end->data == node)
clist->selection_end = clist->selection_end->prev;
clist->selection = g_list_remove (clist->selection, node);
GTK_CMCTREE_ROW (node)->row.state = GTK_STATE_NORMAL;
tree_draw_node (ctree, node);
}
static void
select_row_recursive (GtkCMCTree *ctree,
GtkCMCTreeNode *node,
gpointer data)
{
if (!node || GTK_CMCTREE_ROW (node)->row.state == GTK_STATE_SELECTED ||
!GTK_CMCTREE_ROW (node)->row.selectable)
return;
GTK_CMCLIST (ctree)->undo_unselection =
g_list_prepend (GTK_CMCLIST (ctree)->undo_unselection, node);
gtk_cmctree_select (ctree, node);
}
static void
real_select_all (GtkCMCList *clist)
{
GtkCMCTree *ctree;
GtkCMCTreeNode *node;
cm_return_if_fail (GTK_IS_CMCTREE (clist));
ctree = GTK_CMCTREE (clist);
switch (clist->selection_mode)
{
case GTK_SELECTION_SINGLE:
case GTK_SELECTION_BROWSE:
return;
case GTK_SELECTION_MULTIPLE:
gtk_cmclist_freeze (clist);
g_list_free (clist->undo_selection);
g_list_free (clist->undo_unselection);
clist->undo_selection = NULL;
clist->undo_unselection = NULL;
clist->anchor_state = GTK_STATE_SELECTED;
clist->anchor = -1;
clist->drag_pos = -1;
clist->undo_anchor = clist->focus_row;
for (node = GTK_CMCTREE_NODE (clist->row_list); node;
node = GTK_CMCTREE_NODE_NEXT (node))
gtk_cmctree_pre_recursive (ctree, node, select_row_recursive, NULL);
gtk_cmclist_thaw (clist);
break;
default:
/* do nothing */
break;
}
}
static void
real_unselect_all (GtkCMCList *clist)
{
GtkCMCTree *ctree;
GtkCMCTreeNode *node;
GList *list;
cm_return_if_fail (GTK_IS_CMCTREE (clist));
ctree = GTK_CMCTREE (clist);
switch (clist->selection_mode)
{
case GTK_SELECTION_BROWSE:
if (clist->focus_row >= 0)
{
gtk_cmctree_select
(ctree,
GTK_CMCTREE_NODE (g_list_nth (clist->row_list, clist->focus_row)));
return;
}
break;
case GTK_SELECTION_MULTIPLE:
g_list_free (clist->undo_selection);
g_list_free (clist->undo_unselection);
clist->undo_selection = NULL;
clist->undo_unselection = NULL;
clist->anchor = -1;
clist->drag_pos = -1;
clist->undo_anchor = clist->focus_row;
break;
default:
break;
}
list = clist->selection;
while (list)
{
node = list->data;
list = list->next;
gtk_cmctree_unselect (ctree, node);
}
}
static gboolean
ctree_is_hot_spot (GtkCMCTree *ctree,
GtkCMCTreeNode *node,
gint row,
gint x,
gint y)
{
GtkCMCTreeRow *tree_row;
GtkCMCList *clist;
gint xl;
gint yu;
gint hotspot_size;
cm_return_val_if_fail (GTK_IS_CMCTREE (ctree), FALSE);
cm_return_val_if_fail (node != NULL, FALSE);
clist = GTK_CMCLIST (ctree);
if (!clist->column[ctree->tree_column].visible ||
ctree->expander_style == GTK_CMCTREE_EXPANDER_NONE)
return FALSE;
tree_row = GTK_CMCTREE_ROW (node);
hotspot_size = clist->row_height-2;
if (hotspot_size > clist->column[ctree->tree_column].area.width - 2)
hotspot_size = clist->column[ctree->tree_column].area.width - 2;
yu = (ROW_TOP_YPIXEL (clist, row) + (clist->row_height - hotspot_size) / 2 -
(clist->row_height - 1) % 2);
if (clist->column[ctree->tree_column].justification == GTK_JUSTIFY_RIGHT)
xl = (clist->column[ctree->tree_column].area.x +
clist->column[ctree->tree_column].area.width - 1 + clist->hoffset -
(tree_row->level - 1) * ctree->tree_indent - hotspot_size);
else
xl = (clist->column[ctree->tree_column].area.x + clist->hoffset +
(tree_row->level - 1) * ctree->tree_indent);
return (x >= xl && x <= xl + hotspot_size && y >= yu && y <= yu + hotspot_size);
}
/***********************************************************
***********************************************************
*** Public interface ***
***********************************************************
***********************************************************/
/***********************************************************
* Creation, insertion, deletion *
***********************************************************/
static GObject*
gtk_cmctree_constructor (GType type,
guint n_construct_properties,
GObjectConstructParam *construct_properties)
{
GObject *object = G_OBJECT_CLASS (parent_class)->constructor (type,
n_construct_properties,
construct_properties);
return object;
}
GtkWidget*
gtk_cmctree_new_with_titles (gint columns,
gint tree_column,
gchar *titles[])
{
GtkWidget *widget;
cm_return_val_if_fail (columns > 0, NULL);
cm_return_val_if_fail (tree_column >= 0 && tree_column < columns, NULL);
widget = gtk_widget_new (GTK_TYPE_CMCTREE,
"n_columns", columns,
"tree_column", tree_column,
NULL);
if (titles)
{
GtkCMCList *clist = GTK_CMCLIST (widget);
guint i;
for (i = 0; i < columns; i++)
gtk_cmclist_set_column_title (clist, i, titles[i]);
gtk_cmclist_column_titles_show (clist);
}
return widget;
}
GtkWidget *
gtk_cmctree_new (gint columns,
gint tree_column)
{
return gtk_cmctree_new_with_titles (columns, tree_column, NULL);
}
static gint
real_insert_row (GtkCMCList *clist,
gint row,
gchar *text[])
{
GtkCMCTreeNode *parent = NULL;
GtkCMCTreeNode *sibling;
GtkCMCTreeNode *node;
cm_return_val_if_fail (GTK_IS_CMCTREE (clist), -1);
sibling = GTK_CMCTREE_NODE (g_list_nth (clist->row_list, row));
if (sibling)
parent = GTK_CMCTREE_ROW (sibling)->parent;
node = gtk_cmctree_insert_node (GTK_CMCTREE (clist), parent, sibling, text, 5,
NULL, NULL, TRUE, FALSE);
if (GTK_CMCLIST_AUTO_SORT (clist) || !sibling)
return g_list_position (clist->row_list, (GList *) node);
return row;
}
GtkCMCTreeNode *
gtk_cmctree_insert_node (GtkCMCTree *ctree,
GtkCMCTreeNode *parent,
GtkCMCTreeNode *sibling,
gchar *text[],
guint8 spacing,
GdkPixbuf *pixbuf_closed,
GdkPixbuf *pixbuf_opened,
gboolean is_leaf,
gboolean expanded)
{
GtkCMCList *clist;
GtkCMCTreeRow *new_row;
GtkCMCTreeNode *node;
GList *list;
gint i;
cm_return_val_if_fail (GTK_IS_CMCTREE (ctree), NULL);
if (sibling)
cm_return_val_if_fail (GTK_CMCTREE_ROW (sibling)->parent == parent, NULL);
if (parent && GTK_CMCTREE_ROW (parent)->is_leaf)
return NULL;
clist = GTK_CMCLIST (ctree);
/* create the row */
new_row = row_new (ctree);
list = g_list_alloc ();
list->data = new_row;
node = GTK_CMCTREE_NODE (list);
if (text)
for (i = 0; i < clist->columns; i++)
if (text[i] && i != ctree->tree_column)
GTK_CMCLIST_GET_CLASS (clist)->set_cell_contents
(clist, &(new_row->row), i, GTK_CMCELL_TEXT, text[i], 0, NULL);
set_node_info (ctree, node, text ?
text[ctree->tree_column] : NULL, spacing, pixbuf_closed,
pixbuf_opened, is_leaf, expanded);
/* sorted insertion */
if (GTK_CMCLIST_AUTO_SORT (clist))
{
if (parent)
sibling = GTK_CMCTREE_ROW (parent)->children;
else
sibling = GTK_CMCTREE_NODE (clist->row_list);
while (sibling && clist->compare
(clist, GTK_CMCTREE_ROW (node), GTK_CMCTREE_ROW (sibling)) > 0)
sibling = GTK_CMCTREE_ROW (sibling)->sibling;
}
gtk_cmctree_link (ctree, node, parent, sibling, TRUE);
if (text && !GTK_CMCLIST_AUTO_RESIZE_BLOCKED (clist) &&
gtk_cmctree_is_viewable (ctree, node))
{
for (i = 0; i < clist->columns; i++)
if (clist->column[i].auto_resize)
column_auto_resize (clist, &(new_row->row), i, 0);
}
if (clist->rows == 1)
{
clist->focus_row = 0;
if (clist->selection_mode == GTK_SELECTION_BROWSE)
gtk_cmctree_select (ctree, node);
}
CLIST_REFRESH (clist);
return node;
}
GtkCMCTreeNode *
gtk_cmctree_insert_gnode (GtkCMCTree *ctree,
GtkCMCTreeNode *parent,
GtkCMCTreeNode *sibling,
GNode *gnode,
GtkCMCTreeGNodeFunc func,
gpointer data)
{
GtkCMCList *clist;
GtkCMCTreeNode *cnode = NULL;
GtkCMCTreeNode *child = NULL;
GtkCMCTreeNode *new_child;
GList *list;
GNode *work;
guint depth = 1;
cm_return_val_if_fail (GTK_IS_CMCTREE (ctree), NULL);
cm_return_val_if_fail (gnode != NULL, NULL);
cm_return_val_if_fail (func != NULL, NULL);
if (sibling)
cm_return_val_if_fail (GTK_CMCTREE_ROW (sibling)->parent == parent, NULL);
clist = GTK_CMCLIST (ctree);
if (parent)
depth = GTK_CMCTREE_ROW (parent)->level + 1;
list = g_list_alloc ();
list->data = row_new (ctree);
cnode = GTK_CMCTREE_NODE (list);
gtk_cmclist_freeze (clist);
set_node_info (ctree, cnode, "", 0, NULL, NULL, TRUE, FALSE);
if (!func (ctree, depth, gnode, cnode, data))
{
tree_delete_row (ctree, cnode, NULL);
gtk_cmclist_thaw (clist);
return NULL;
}
if (GTK_CMCLIST_AUTO_SORT (clist))
{
if (parent)
sibling = GTK_CMCTREE_ROW (parent)->children;
else
sibling = GTK_CMCTREE_NODE (clist->row_list);
while (sibling && clist->compare
(clist, GTK_CMCTREE_ROW (cnode), GTK_CMCTREE_ROW (sibling)) > 0)
sibling = GTK_CMCTREE_ROW (sibling)->sibling;
}
gtk_cmctree_link (ctree, cnode, parent, sibling, TRUE);
for (work = g_node_last_child (gnode); work; work = work->prev)
{
new_child = gtk_cmctree_insert_gnode (ctree, cnode, child,
work, func, data);
if (new_child)
child = new_child;
}
gtk_cmclist_thaw (clist);
return cnode;
}
GNode *
gtk_cmctree_export_to_gnode (GtkCMCTree *ctree,
GNode *parent,
GNode *sibling,
GtkCMCTreeNode *node,
GtkCMCTreeGNodeFunc func,
gpointer data)
{
GtkCMCTreeNode *work;
GNode *gnode;
gint depth;
cm_return_val_if_fail (GTK_IS_CMCTREE (ctree), NULL);
cm_return_val_if_fail (node != NULL, NULL);
cm_return_val_if_fail (func != NULL, NULL);
if (sibling)
{
cm_return_val_if_fail (parent != NULL, NULL);
cm_return_val_if_fail (sibling->parent == parent, NULL);
}
gnode = g_node_new (NULL);
depth = g_node_depth (parent) + 1;
if (!func (ctree, depth, gnode, node, data))
{
g_node_destroy (gnode);
return NULL;
}
if (parent)
g_node_insert_before (parent, sibling, gnode);
if (!GTK_CMCTREE_ROW (node)->is_leaf)
{
GNode *new_sibling = NULL;
for (work = GTK_CMCTREE_ROW (node)->children; work;
work = GTK_CMCTREE_ROW (work)->sibling)
new_sibling = gtk_cmctree_export_to_gnode (ctree, gnode, new_sibling,
work, func, data);
g_node_reverse_children (gnode);
}
return gnode;
}
static void
real_remove_row (GtkCMCList *clist,
gint row)
{
GtkCMCTreeNode *node;
cm_return_if_fail (GTK_IS_CMCTREE (clist));
node = GTK_CMCTREE_NODE (g_list_nth (clist->row_list, row));
if (node)
gtk_cmctree_remove_node (GTK_CMCTREE (clist), node);
}
void
gtk_cmctree_remove_node (GtkCMCTree *ctree,
GtkCMCTreeNode *node)
{
GtkCMCList *clist;
cm_return_if_fail (GTK_IS_CMCTREE (ctree));
clist = GTK_CMCLIST (ctree);
gtk_cmclist_freeze (clist);
if (node)
{
gtk_cmctree_unlink (ctree, node, TRUE);
gtk_cmctree_post_recursive (ctree, node, GTK_CMCTREE_FUNC (tree_delete),
NULL);
if (clist->selection_mode == GTK_SELECTION_BROWSE && !clist->selection &&
clist->focus_row >= 0)
gtk_cmclist_select_row (clist, clist->focus_row, -1);
auto_resize_columns (clist);
}
else
gtk_cmclist_clear (clist);
gtk_cmclist_thaw (clist);
}
static void
real_clear (GtkCMCList *clist)
{
GtkCMCTree *ctree;
GtkCMCTreeNode *work;
GtkCMCTreeNode *ptr;
cm_return_if_fail (GTK_IS_CMCTREE (clist));
ctree = GTK_CMCTREE (clist);
/* remove all rows */
work = GTK_CMCTREE_NODE (clist->row_list);
clist->row_list = NULL;
clist->row_list_end = NULL;
GTK_CMCLIST_SET_FLAG (clist, CMCLIST_AUTO_RESIZE_BLOCKED);
while (work)
{
ptr = work;
work = GTK_CMCTREE_ROW (work)->sibling;
gtk_cmctree_post_recursive (ctree, ptr, GTK_CMCTREE_FUNC (tree_delete_row),
NULL);
}
GTK_CMCLIST_UNSET_FLAG (clist, CMCLIST_AUTO_RESIZE_BLOCKED);
parent_class->clear (clist);
}
/***********************************************************
* Generic recursive functions, querying / finding tree *
* information *
***********************************************************/
void
gtk_cmctree_post_recursive (GtkCMCTree *ctree,
GtkCMCTreeNode *node,
GtkCMCTreeFunc func,
gpointer data)
{
GtkCMCTreeNode *work;
GtkCMCTreeNode *tmp;
cm_return_if_fail (GTK_IS_CMCTREE (ctree));
cm_return_if_fail (func != NULL);
if (node)
work = GTK_CMCTREE_ROW (node)->children;
else
work = GTK_CMCTREE_NODE (GTK_CMCLIST (ctree)->row_list);
while (work)
{
tmp = GTK_CMCTREE_ROW (work)->sibling;
gtk_cmctree_post_recursive (ctree, work, func, data);
work = tmp;
}
if (node)
func (ctree, node, data);
}
void
gtk_cmctree_post_recursive_to_depth (GtkCMCTree *ctree,
GtkCMCTreeNode *node,
gint depth,
GtkCMCTreeFunc func,
gpointer data)
{
GtkCMCTreeNode *work;
GtkCMCTreeNode *tmp;
cm_return_if_fail (GTK_IS_CMCTREE (ctree));
cm_return_if_fail (func != NULL);
if (depth < 0)
{
gtk_cmctree_post_recursive (ctree, node, func, data);
return;
}
if (node)
work = GTK_CMCTREE_ROW (node)->children;
else
work = GTK_CMCTREE_NODE (GTK_CMCLIST (ctree)->row_list);
if (work && GTK_CMCTREE_ROW (work)->level <= depth)
{
while (work)
{
tmp = GTK_CMCTREE_ROW (work)->sibling;
gtk_cmctree_post_recursive_to_depth (ctree, work, depth, func, data);
work = tmp;
}
}
if (node && GTK_CMCTREE_ROW (node)->level <= depth)
func (ctree, node, data);
}
void
gtk_cmctree_pre_recursive (GtkCMCTree *ctree,
GtkCMCTreeNode *node,
GtkCMCTreeFunc func,
gpointer data)
{
GtkCMCTreeNode *work;
GtkCMCTreeNode *tmp;
cm_return_if_fail (GTK_IS_CMCTREE (ctree));
cm_return_if_fail (func != NULL);
if (node)
{
work = GTK_CMCTREE_ROW (node)->children;
func (ctree, node, data);
}
else
work = GTK_CMCTREE_NODE (GTK_CMCLIST (ctree)->row_list);
while (work)
{
tmp = GTK_CMCTREE_ROW (work)->sibling;
gtk_cmctree_pre_recursive (ctree, work, func, data);
work = tmp;
}
}
void
gtk_cmctree_pre_recursive_to_depth (GtkCMCTree *ctree,
GtkCMCTreeNode *node,
gint depth,
GtkCMCTreeFunc func,
gpointer data)
{
GtkCMCTreeNode *work;
GtkCMCTreeNode *tmp;
cm_return_if_fail (GTK_IS_CMCTREE (ctree));
cm_return_if_fail (func != NULL);
if (depth < 0)
{
gtk_cmctree_pre_recursive (ctree, node, func, data);
return;
}
if (node)
{
work = GTK_CMCTREE_ROW (node)->children;
if (GTK_CMCTREE_ROW (node)->level <= depth)
func (ctree, node, data);
}
else
work = GTK_CMCTREE_NODE (GTK_CMCLIST (ctree)->row_list);
if (work && GTK_CMCTREE_ROW (work)->level <= depth)
{
while (work)
{
tmp = GTK_CMCTREE_ROW (work)->sibling;
gtk_cmctree_pre_recursive_to_depth (ctree, work, depth, func, data);
work = tmp;
}
}
}
gboolean
gtk_cmctree_is_viewable (GtkCMCTree *ctree,
GtkCMCTreeNode *node)
{
GtkCMCTreeRow *work;
cm_return_val_if_fail (GTK_IS_CMCTREE (ctree), FALSE);
cm_return_val_if_fail (node != NULL, FALSE);
work = GTK_CMCTREE_ROW (node);
while (work && work->parent && GTK_CMCTREE_ROW (work->parent)->expanded)
work = GTK_CMCTREE_ROW (work->parent);
if (!work->parent)
return TRUE;
return FALSE;
}
GtkCMCTreeNode *
gtk_cmctree_last (GtkCMCTree *ctree,
GtkCMCTreeNode *node)
{
cm_return_val_if_fail (GTK_IS_CMCTREE (ctree), NULL);
if (!node)
return NULL;
while (GTK_CMCTREE_ROW (node)->sibling)
node = GTK_CMCTREE_ROW (node)->sibling;
if (GTK_CMCTREE_ROW (node)->children)
return gtk_cmctree_last (ctree, GTK_CMCTREE_ROW (node)->children);
return node;
}
GtkCMCTreeNode *
gtk_cmctree_find_node_ptr (GtkCMCTree *ctree,
GtkCMCTreeRow *ctree_row)
{
GtkCMCTreeNode *node;
cm_return_val_if_fail (GTK_IS_CMCTREE (ctree), NULL);
cm_return_val_if_fail (ctree_row != NULL, NULL);
if (ctree_row->parent)
node = GTK_CMCTREE_ROW (ctree_row->parent)->children;
else
node = GTK_CMCTREE_NODE (GTK_CMCLIST (ctree)->row_list);
while (GTK_CMCTREE_ROW (node) != ctree_row)
node = GTK_CMCTREE_ROW (node)->sibling;
return node;
}
GtkCMCTreeNode *
gtk_cmctree_node_nth (GtkCMCTree *ctree,
guint row)
{
cm_return_val_if_fail (GTK_IS_CMCTREE (ctree), NULL);
if ((row >= GTK_CMCLIST(ctree)->rows))
return NULL;
return GTK_CMCTREE_NODE (g_list_nth (GTK_CMCLIST (ctree)->row_list, row));
}
gboolean
gtk_cmctree_find (GtkCMCTree *ctree,
GtkCMCTreeNode *node,
GtkCMCTreeNode *child)
{
if (!child)
return FALSE;
if (!node)
node = GTK_CMCTREE_NODE (GTK_CMCLIST (ctree)->row_list);
while (node)
{
if (node == child)
return TRUE;
if (GTK_CMCTREE_ROW (node)->children)
{
if (gtk_cmctree_find (ctree, GTK_CMCTREE_ROW (node)->children, child))
return TRUE;
}
node = GTK_CMCTREE_ROW (node)->sibling;
}
return FALSE;
}
gboolean
gtk_cmctree_is_ancestor (GtkCMCTree *ctree,
GtkCMCTreeNode *node,
GtkCMCTreeNode *child)
{
cm_return_val_if_fail (GTK_IS_CMCTREE (ctree), FALSE);
cm_return_val_if_fail (node != NULL, FALSE);
if (GTK_CMCTREE_ROW (node)->children)
return gtk_cmctree_find (ctree, GTK_CMCTREE_ROW (node)->children, child);
return FALSE;
}
GtkCMCTreeNode *
gtk_cmctree_find_by_row_data (GtkCMCTree *ctree,
GtkCMCTreeNode *node,
gpointer data)
{
GtkCMCTreeNode *work;
if (!node)
node = GTK_CMCTREE_NODE (GTK_CMCLIST (ctree)->row_list);
while (node)
{
if (GTK_CMCTREE_ROW (node)->row.data == data)
return node;
if (GTK_CMCTREE_ROW (node)->children &&
(work = gtk_cmctree_find_by_row_data
(ctree, GTK_CMCTREE_ROW (node)->children, data)))
return work;
node = GTK_CMCTREE_ROW (node)->sibling;
}
return NULL;
}
GList *
gtk_cmctree_find_all_by_row_data (GtkCMCTree *ctree,
GtkCMCTreeNode *node,
gpointer data)
{
GList *list = NULL;
cm_return_val_if_fail (GTK_IS_CMCTREE (ctree), NULL);
/* if node == NULL then look in the whole tree */
if (!node)
node = GTK_CMCTREE_NODE (GTK_CMCLIST (ctree)->row_list);
while (node)
{
if (GTK_CMCTREE_ROW (node)->row.data == data)
list = g_list_append (list, node);
if (GTK_CMCTREE_ROW (node)->children)
{
GList *sub_list;
sub_list = gtk_cmctree_find_all_by_row_data (ctree,
GTK_CMCTREE_ROW
(node)->children,
data);
list = g_list_concat (list, sub_list);
}
node = GTK_CMCTREE_ROW (node)->sibling;
}
return list;
}
GtkCMCTreeNode *
gtk_cmctree_find_by_row_data_custom (GtkCMCTree *ctree,
GtkCMCTreeNode *node,
gpointer data,
GCompareFunc func)
{
GtkCMCTreeNode *work;
cm_return_val_if_fail (func != NULL, NULL);
if (!node)
node = GTK_CMCTREE_NODE (GTK_CMCLIST (ctree)->row_list);
while (node)
{
if (!func (GTK_CMCTREE_ROW (node)->row.data, data))
return node;
if (GTK_CMCTREE_ROW (node)->children &&
(work = gtk_cmctree_find_by_row_data_custom
(ctree, GTK_CMCTREE_ROW (node)->children, data, func)))
return work;
node = GTK_CMCTREE_ROW (node)->sibling;
}
return NULL;
}
GList *
gtk_cmctree_find_all_by_row_data_custom (GtkCMCTree *ctree,
GtkCMCTreeNode *node,
gpointer data,
GCompareFunc func)
{
GList *list = NULL;
cm_return_val_if_fail (GTK_IS_CMCTREE (ctree), NULL);
cm_return_val_if_fail (func != NULL, NULL);
/* if node == NULL then look in the whole tree */
if (!node)
node = GTK_CMCTREE_NODE (GTK_CMCLIST (ctree)->row_list);
while (node)
{
if (!func (GTK_CMCTREE_ROW (node)->row.data, data))
list = g_list_append (list, node);
if (GTK_CMCTREE_ROW (node)->children)
{
GList *sub_list;
sub_list = gtk_cmctree_find_all_by_row_data_custom (ctree,
GTK_CMCTREE_ROW
(node)->children,
data,
func);
list = g_list_concat (list, sub_list);
}
node = GTK_CMCTREE_ROW (node)->sibling;
}
return list;
}
gboolean
gtk_cmctree_is_hot_spot (GtkCMCTree *ctree,
gint x,
gint y)
{
GtkCMCTreeNode *node;
gint column;
gint row;
cm_return_val_if_fail (GTK_IS_CMCTREE (ctree), FALSE);
if (gtk_cmclist_get_selection_info (GTK_CMCLIST (ctree), x, y, &row, &column))
if ((node = GTK_CMCTREE_NODE(g_list_nth (GTK_CMCLIST (ctree)->row_list, row))))
return ctree_is_hot_spot (ctree, node, row, x, y);
return FALSE;
}
/***********************************************************
* Tree signals : move, expand, collapse, (un)select *
***********************************************************/
void
gtk_cmctree_move (GtkCMCTree *ctree,
GtkCMCTreeNode *node,
GtkCMCTreeNode *new_parent,
GtkCMCTreeNode *new_sibling)
{
cm_return_if_fail (GTK_IS_CMCTREE (ctree));
cm_return_if_fail (node != NULL);
g_signal_emit (G_OBJECT (ctree), ctree_signals[TREE_MOVE], 0, node,
new_parent, new_sibling);
}
void
gtk_cmctree_expand (GtkCMCTree *ctree,
GtkCMCTreeNode *node)
{
cm_return_if_fail (GTK_IS_CMCTREE (ctree));
cm_return_if_fail (node != NULL);
if (GTK_CMCTREE_ROW (node)->is_leaf)
return;
g_signal_emit (G_OBJECT (ctree), ctree_signals[TREE_EXPAND], 0, node);
}
void
gtk_cmctree_expand_recursive (GtkCMCTree *ctree,
GtkCMCTreeNode *node)
{
GtkCMCList *clist;
gboolean thaw = FALSE;
cm_return_if_fail (GTK_IS_CMCTREE (ctree));
clist = GTK_CMCLIST (ctree);
if (node && GTK_CMCTREE_ROW (node)->is_leaf)
return;
if (CLIST_UNFROZEN (clist) && (!node || gtk_cmctree_is_viewable (ctree, node)))
{
gtk_cmclist_freeze (clist);
thaw = TRUE;
}
gtk_cmctree_post_recursive (ctree, node, GTK_CMCTREE_FUNC (tree_expand), NULL);
if (thaw)
gtk_cmclist_thaw (clist);
}
void
gtk_cmctree_expand_to_depth (GtkCMCTree *ctree,
GtkCMCTreeNode *node,
gint depth)
{
GtkCMCList *clist;
gboolean thaw = FALSE;
cm_return_if_fail (GTK_IS_CMCTREE (ctree));
clist = GTK_CMCLIST (ctree);
if (node && GTK_CMCTREE_ROW (node)->is_leaf)
return;
if (CLIST_UNFROZEN (clist) && (!node || gtk_cmctree_is_viewable (ctree, node)))
{
gtk_cmclist_freeze (clist);
thaw = TRUE;
}
gtk_cmctree_post_recursive_to_depth (ctree, node, depth,
GTK_CMCTREE_FUNC (tree_expand), NULL);
if (thaw)
gtk_cmclist_thaw (clist);
}
void
gtk_cmctree_collapse (GtkCMCTree *ctree,
GtkCMCTreeNode *node)
{
cm_return_if_fail (GTK_IS_CMCTREE (ctree));
cm_return_if_fail (node != NULL);
if (GTK_CMCTREE_ROW (node)->is_leaf)
return;
g_signal_emit (G_OBJECT (ctree), ctree_signals[TREE_COLLAPSE], 0, node);
}
void
gtk_cmctree_collapse_recursive (GtkCMCTree *ctree,
GtkCMCTreeNode *node)
{
GtkCMCList *clist;
gboolean thaw = FALSE;
gint i;
cm_return_if_fail (GTK_IS_CMCTREE (ctree));
if (node && GTK_CMCTREE_ROW (node)->is_leaf)
return;
clist = GTK_CMCLIST (ctree);
if (CLIST_UNFROZEN (clist) && (!node || gtk_cmctree_is_viewable (ctree, node)))
{
gtk_cmclist_freeze (clist);
thaw = TRUE;
}
GTK_CMCLIST_SET_FLAG (clist, CMCLIST_AUTO_RESIZE_BLOCKED);
gtk_cmctree_post_recursive (ctree, node, GTK_CMCTREE_FUNC (tree_collapse), NULL);
GTK_CMCLIST_UNSET_FLAG (clist, CMCLIST_AUTO_RESIZE_BLOCKED);
for (i = 0; i < clist->columns; i++)
if (clist->column[i].auto_resize)
gtk_cmclist_set_column_width (clist, i,
gtk_cmclist_optimal_column_width (clist, i));
if (thaw)
gtk_cmclist_thaw (clist);
}
void
gtk_cmctree_collapse_to_depth (GtkCMCTree *ctree,
GtkCMCTreeNode *node,
gint depth)
{
GtkCMCList *clist;
gboolean thaw = FALSE;
gint i;
cm_return_if_fail (GTK_IS_CMCTREE (ctree));
if (node && GTK_CMCTREE_ROW (node)->is_leaf)
return;
clist = GTK_CMCLIST (ctree);
if (CLIST_UNFROZEN (clist) && (!node || gtk_cmctree_is_viewable (ctree, node)))
{
gtk_cmclist_freeze (clist);
thaw = TRUE;
}
GTK_CMCLIST_SET_FLAG (clist, CMCLIST_AUTO_RESIZE_BLOCKED);
gtk_cmctree_post_recursive_to_depth (ctree, node, depth,
GTK_CMCTREE_FUNC (tree_collapse_to_depth),
GINT_TO_POINTER (depth));
GTK_CMCLIST_UNSET_FLAG (clist, CMCLIST_AUTO_RESIZE_BLOCKED);
for (i = 0; i < clist->columns; i++)
if (clist->column[i].auto_resize)
gtk_cmclist_set_column_width (clist, i,
gtk_cmclist_optimal_column_width (clist, i));
if (thaw)
gtk_cmclist_thaw (clist);
}
void
gtk_cmctree_toggle_expansion (GtkCMCTree *ctree,
GtkCMCTreeNode *node)
{
cm_return_if_fail (GTK_IS_CMCTREE (ctree));
cm_return_if_fail (node != NULL);
if (GTK_CMCTREE_ROW (node)->is_leaf)
return;
tree_toggle_expansion (ctree, node, NULL);
}
void
gtk_cmctree_toggle_expansion_recursive (GtkCMCTree *ctree,
GtkCMCTreeNode *node)
{
GtkCMCList *clist;
gboolean thaw = FALSE;
cm_return_if_fail (GTK_IS_CMCTREE (ctree));
if (node && GTK_CMCTREE_ROW (node)->is_leaf)
return;
clist = GTK_CMCLIST (ctree);
if (CLIST_UNFROZEN (clist) && (!node || gtk_cmctree_is_viewable (ctree, node)))
{
gtk_cmclist_freeze (clist);
thaw = TRUE;
}
gtk_cmctree_post_recursive (ctree, node,
GTK_CMCTREE_FUNC (tree_toggle_expansion), NULL);
if (thaw)
gtk_cmclist_thaw (clist);
}
void
gtk_cmctree_select (GtkCMCTree *ctree,
GtkCMCTreeNode *node)
{
cm_return_if_fail (GTK_IS_CMCTREE (ctree));
cm_return_if_fail (node != NULL);
if (GTK_CMCTREE_ROW (node)->row.selectable)
g_signal_emit (G_OBJECT (ctree), ctree_signals[TREE_SELECT_ROW], 0,
node, -1);
}
void
gtk_cmctree_unselect (GtkCMCTree *ctree,
GtkCMCTreeNode *node)
{
cm_return_if_fail (GTK_IS_CMCTREE (ctree));
cm_return_if_fail (node != NULL);
g_signal_emit (G_OBJECT (ctree), ctree_signals[TREE_UNSELECT_ROW], 0,
node, -1);
}
void
gtk_cmctree_select_recursive (GtkCMCTree *ctree,
GtkCMCTreeNode *node)
{
gtk_cmctree_real_select_recursive (ctree, node, TRUE);
}
void
gtk_cmctree_unselect_recursive (GtkCMCTree *ctree,
GtkCMCTreeNode *node)
{
gtk_cmctree_real_select_recursive (ctree, node, FALSE);
}
void
gtk_cmctree_real_select_recursive (GtkCMCTree *ctree,
GtkCMCTreeNode *node,
gint state)
{
GtkCMCList *clist;
gboolean thaw = FALSE;
cm_return_if_fail (GTK_IS_CMCTREE (ctree));
clist = GTK_CMCLIST (ctree);
if ((state &&
(clist->selection_mode == GTK_SELECTION_BROWSE ||
clist->selection_mode == GTK_SELECTION_SINGLE)) ||
(!state && clist->selection_mode == GTK_SELECTION_BROWSE))
return;
if (CLIST_UNFROZEN (clist) && (!node || gtk_cmctree_is_viewable (ctree, node)))
{
gtk_cmclist_freeze (clist);
thaw = TRUE;
}
if (clist->selection_mode == GTK_SELECTION_MULTIPLE)
{
GTK_CMCLIST_GET_CLASS (clist)->resync_selection (clist, NULL);
g_list_free (clist->undo_selection);
g_list_free (clist->undo_unselection);
clist->undo_selection = NULL;
clist->undo_unselection = NULL;
}
if (state)
gtk_cmctree_post_recursive (ctree, node,
GTK_CMCTREE_FUNC (tree_select), NULL);
else
gtk_cmctree_post_recursive (ctree, node,
GTK_CMCTREE_FUNC (tree_unselect), NULL);
if (thaw)
gtk_cmclist_thaw (clist);
}
/***********************************************************
* Analogons of GtkCMCList functions *
***********************************************************/
void
gtk_cmctree_node_set_text (GtkCMCTree *ctree,
GtkCMCTreeNode *node,
gint column,
const gchar *text)
{
GtkCMCList *clist;
cm_return_if_fail (GTK_IS_CMCTREE (ctree));
cm_return_if_fail (node != NULL);
if (column < 0 || column >= GTK_CMCLIST (ctree)->columns)
return;
clist = GTK_CMCLIST (ctree);
GTK_CMCLIST_GET_CLASS (clist)->set_cell_contents
(clist, &(GTK_CMCTREE_ROW (node)->row), column, GTK_CMCELL_TEXT,
text, 0, NULL);
tree_draw_node (ctree, node);
}
void
gtk_cmctree_node_set_pixbuf (GtkCMCTree *ctree,
GtkCMCTreeNode *node,
gint column,
GdkPixbuf *pixbuf)
{
GtkCMCList *clist;
cm_return_if_fail (GTK_IS_CMCTREE (ctree));
cm_return_if_fail (node != NULL);
cm_return_if_fail (pixbuf != NULL);
if (column < 0 || column >= GTK_CMCLIST (ctree)->columns)
return;
g_object_ref (pixbuf);
clist = GTK_CMCLIST (ctree);
GTK_CMCLIST_GET_CLASS (clist)->set_cell_contents
(clist, &(GTK_CMCTREE_ROW (node)->row), column, GTK_CMCELL_PIXBUF,
NULL, 0, pixbuf);
tree_draw_node (ctree, node);
}
void
gtk_cmctree_node_set_pixtext (GtkCMCTree *ctree,
GtkCMCTreeNode *node,
gint column,
const gchar *text,
guint8 spacing,
GdkPixbuf *pixbuf)
{
GtkCMCList *clist;
cm_return_if_fail (GTK_IS_CMCTREE (ctree));
cm_return_if_fail (node != NULL);
if (column != ctree->tree_column)
cm_return_if_fail (pixbuf != NULL);
if (column < 0 || column >= GTK_CMCLIST (ctree)->columns)
return;
clist = GTK_CMCLIST (ctree);
if (pixbuf)
{
g_object_ref (pixbuf);
}
GTK_CMCLIST_GET_CLASS (clist)->set_cell_contents
(clist, &(GTK_CMCTREE_ROW (node)->row), column, GTK_CMCELL_PIXTEXT,
text, spacing, pixbuf);
tree_draw_node (ctree, node);
}
void
gtk_cmctree_set_node_info (GtkCMCTree *ctree,
GtkCMCTreeNode *node,
const gchar *text,
guint8 spacing,
GdkPixbuf *pixbuf_closed,
GdkPixbuf *pixbuf_opened,
gboolean is_leaf,
gboolean expanded)
{
gboolean old_leaf;
gboolean old_expanded;
cm_return_if_fail (GTK_IS_CMCTREE (ctree));
cm_return_if_fail (node != NULL);
old_leaf = GTK_CMCTREE_ROW (node)->is_leaf;
old_expanded = GTK_CMCTREE_ROW (node)->expanded;
if (is_leaf && GTK_CMCTREE_ROW (node)->children)
{
GtkCMCTreeNode *work;
GtkCMCTreeNode *ptr;
work = GTK_CMCTREE_ROW (node)->children;
while (work)
{
ptr = work;
work = GTK_CMCTREE_ROW (work)->sibling;
gtk_cmctree_remove_node (ctree, ptr);
}
}
set_node_info (ctree, node, text, spacing, pixbuf_closed,
pixbuf_opened, is_leaf, expanded);
if (!is_leaf && !old_leaf)
{
GTK_CMCTREE_ROW (node)->expanded = old_expanded;
if (expanded && !old_expanded)
gtk_cmctree_expand (ctree, node);
else if (!expanded && old_expanded)
gtk_cmctree_collapse (ctree, node);
}
GTK_CMCTREE_ROW (node)->expanded = (is_leaf) ? FALSE : expanded;
tree_draw_node (ctree, node);
}
void
gtk_cmctree_node_set_shift (GtkCMCTree *ctree,
GtkCMCTreeNode *node,
gint column,
gint vertical,
gint horizontal)
{
GtkCMCList *clist;
GtkRequisition requisition;
gboolean visible = FALSE;
cm_return_if_fail (GTK_IS_CMCTREE (ctree));
cm_return_if_fail (node != NULL);
if (column < 0 || column >= GTK_CMCLIST (ctree)->columns)
return;
clist = GTK_CMCLIST (ctree);
if (clist->column[column].auto_resize &&
!GTK_CMCLIST_AUTO_RESIZE_BLOCKED (clist))
{
visible = gtk_cmctree_is_viewable (ctree, node);
if (visible)
GTK_CMCLIST_GET_CLASS (clist)->cell_size_request
(clist, &GTK_CMCTREE_ROW (node)->row, column, &requisition);
}
GTK_CMCTREE_ROW (node)->row.cell[column].vertical = vertical;
GTK_CMCTREE_ROW (node)->row.cell[column].horizontal = horizontal;
if (visible)
column_auto_resize (clist, &GTK_CMCTREE_ROW (node)->row,
column, requisition.width);
tree_draw_node (ctree, node);
}
static void
remove_grab (GtkCMCList *clist)
{
if (gdk_display_pointer_is_grabbed (gtk_widget_get_display (GTK_WIDGET (clist))) &&
gtk_widget_has_grab (GTK_WIDGET(clist)))
{
gtk_grab_remove (GTK_WIDGET (clist));
gdk_display_pointer_ungrab (gtk_widget_get_display (GTK_WIDGET (clist)),
GDK_CURRENT_TIME);
}
if (clist->htimer)
{
g_source_remove (clist->htimer);
clist->htimer = 0;
}
if (clist->vtimer)
{
g_source_remove (clist->vtimer);
clist->vtimer = 0;
}
}
void
gtk_cmctree_node_set_selectable (GtkCMCTree *ctree,
GtkCMCTreeNode *node,
gboolean selectable)
{
cm_return_if_fail (GTK_IS_CMCTREE (ctree));
cm_return_if_fail (node != NULL);
if (selectable == GTK_CMCTREE_ROW (node)->row.selectable)
return;
GTK_CMCTREE_ROW (node)->row.selectable = selectable;
if (!selectable && GTK_CMCTREE_ROW (node)->row.state == GTK_STATE_SELECTED)
{
GtkCMCList *clist;
clist = GTK_CMCLIST (ctree);
if (clist->anchor >= 0 &&
clist->selection_mode == GTK_SELECTION_MULTIPLE)
{
clist->drag_button = 0;
remove_grab (clist);
GTK_CMCLIST_GET_CLASS (clist)->resync_selection (clist, NULL);
}
gtk_cmctree_unselect (ctree, node);
}
}
gboolean
gtk_cmctree_node_get_selectable (GtkCMCTree *ctree,
GtkCMCTreeNode *node)
{
cm_return_val_if_fail (node != NULL, FALSE);
return GTK_CMCTREE_ROW (node)->row.selectable;
}
GtkCMCellType
gtk_cmctree_node_get_cell_type (GtkCMCTree *ctree,
GtkCMCTreeNode *node,
gint column)
{
cm_return_val_if_fail (GTK_IS_CMCTREE (ctree), -1);
cm_return_val_if_fail (node != NULL, -1);
if (column < 0 || column >= GTK_CMCLIST (ctree)->columns)
return -1;
return GTK_CMCTREE_ROW (node)->row.cell[column].type;
}
gboolean
gtk_cmctree_node_get_text (GtkCMCTree *ctree,
GtkCMCTreeNode *node,
gint column,
gchar **text)
{
cm_return_val_if_fail (GTK_IS_CMCTREE (ctree), FALSE);
cm_return_val_if_fail (node != NULL, FALSE);
if (column < 0 || column >= GTK_CMCLIST (ctree)->columns)
return FALSE;
if (GTK_CMCTREE_ROW (node)->row.cell[column].type != GTK_CMCELL_TEXT)
return FALSE;
if (text)
*text = GTK_CMCELL_TEXT (GTK_CMCTREE_ROW (node)->row.cell[column])->text;
return TRUE;
}
gboolean
gtk_cmctree_node_get_pixbuf (GtkCMCTree *ctree,
GtkCMCTreeNode *node,
gint column,
GdkPixbuf **pixbuf)
{
cm_return_val_if_fail (GTK_IS_CMCTREE (ctree), FALSE);
cm_return_val_if_fail (node != NULL, FALSE);
if (column < 0 || column >= GTK_CMCLIST (ctree)->columns)
return FALSE;
if (GTK_CMCTREE_ROW (node)->row.cell[column].type != GTK_CMCELL_PIXBUF)
return FALSE;
if (pixbuf)
*pixbuf = GTK_CMCELL_PIXBUF (GTK_CMCTREE_ROW (node)->row.cell[column])->pixbuf;
return TRUE;
}
gboolean
gtk_cmctree_node_get_pixtext (GtkCMCTree *ctree,
GtkCMCTreeNode *node,
gint column,
gchar **text,
guint8 *spacing,
GdkPixbuf **pixbuf)
{
cm_return_val_if_fail (GTK_IS_CMCTREE (ctree), FALSE);
cm_return_val_if_fail (node != NULL, FALSE);
if (column < 0 || column >= GTK_CMCLIST (ctree)->columns)
return FALSE;
if (GTK_CMCTREE_ROW (node)->row.cell[column].type != GTK_CMCELL_PIXTEXT)
return FALSE;
if (text)
*text = GTK_CMCELL_PIXTEXT (GTK_CMCTREE_ROW (node)->row.cell[column])->text;
if (spacing)
*spacing = GTK_CMCELL_PIXTEXT (GTK_CMCTREE_ROW
(node)->row.cell[column])->spacing;
if (pixbuf)
*pixbuf = GTK_CMCELL_PIXTEXT (GTK_CMCTREE_ROW
(node)->row.cell[column])->pixbuf;
return TRUE;
}
gboolean
gtk_cmctree_get_node_info (GtkCMCTree *ctree,
GtkCMCTreeNode *node,
gchar **text,
guint8 *spacing,
GdkPixbuf **pixbuf_closed,
GdkPixbuf **pixbuf_opened,
gboolean *is_leaf,
gboolean *expanded)
{
cm_return_val_if_fail (GTK_IS_CMCTREE (ctree), FALSE);
cm_return_val_if_fail (node != NULL, FALSE);
if (text)
*text = GTK_CMCELL_PIXTEXT
(GTK_CMCTREE_ROW (node)->row.cell[ctree->tree_column])->text;
if (spacing)
*spacing = GTK_CMCELL_PIXTEXT
(GTK_CMCTREE_ROW (node)->row.cell[ctree->tree_column])->spacing;
if (pixbuf_closed)
*pixbuf_closed = GTK_CMCTREE_ROW (node)->pixbuf_closed;
if (pixbuf_opened)
*pixbuf_opened = GTK_CMCTREE_ROW (node)->pixbuf_opened;
if (is_leaf)
*is_leaf = GTK_CMCTREE_ROW (node)->is_leaf;
if (expanded)
*expanded = GTK_CMCTREE_ROW (node)->expanded;
return TRUE;
}
void
gtk_cmctree_node_set_cell_style (GtkCMCTree *ctree,
GtkCMCTreeNode *node,
gint column,
GtkStyle *style)
{
GtkCMCList *clist;
GtkRequisition requisition;
gboolean visible = FALSE;
cm_return_if_fail (GTK_IS_CMCTREE (ctree));
cm_return_if_fail (node != NULL);
clist = GTK_CMCLIST (ctree);
if (column < 0 || column >= clist->columns)
return;
if (GTK_CMCTREE_ROW (node)->row.cell[column].style == style)
return;
if (clist->column[column].auto_resize &&
!GTK_CMCLIST_AUTO_RESIZE_BLOCKED (clist))
{
visible = gtk_cmctree_is_viewable (ctree, node);
if (visible)
GTK_CMCLIST_GET_CLASS (clist)->cell_size_request
(clist, &GTK_CMCTREE_ROW (node)->row, column, &requisition);
}
if (GTK_CMCTREE_ROW (node)->row.cell[column].style)
{
if (gtk_widget_get_realized (GTK_WIDGET(ctree)))
gtk_style_detach (GTK_CMCTREE_ROW (node)->row.cell[column].style);
g_object_unref (GTK_CMCTREE_ROW (node)->row.cell[column].style);
}
GTK_CMCTREE_ROW (node)->row.cell[column].style = style;
if (GTK_CMCTREE_ROW (node)->row.cell[column].style)
{
g_object_ref (GTK_CMCTREE_ROW (node)->row.cell[column].style);
if (gtk_widget_get_realized (GTK_WIDGET(ctree)))
GTK_CMCTREE_ROW (node)->row.cell[column].style =
gtk_style_attach (GTK_CMCTREE_ROW (node)->row.cell[column].style,
clist->clist_window);
}
if (visible)
column_auto_resize (clist, &GTK_CMCTREE_ROW (node)->row, column,
requisition.width);
tree_draw_node (ctree, node);
}
GtkStyle *
gtk_cmctree_node_get_cell_style (GtkCMCTree *ctree,
GtkCMCTreeNode *node,
gint column)
{
cm_return_val_if_fail (GTK_IS_CMCTREE (ctree), NULL);
cm_return_val_if_fail (node != NULL, NULL);
if (column < 0 || column >= GTK_CMCLIST (ctree)->columns)
return NULL;
return GTK_CMCTREE_ROW (node)->row.cell[column].style;
}
void
gtk_cmctree_node_set_row_style (GtkCMCTree *ctree,
GtkCMCTreeNode *node,
GtkStyle *style)
{
GtkCMCList *clist;
GtkRequisition requisition;
gboolean visible;
gint *old_width = NULL;
gint i;
cm_return_if_fail (GTK_IS_CMCTREE (ctree));
cm_return_if_fail (node != NULL);
clist = GTK_CMCLIST (ctree);
if (GTK_CMCTREE_ROW (node)->row.style == style)
return;
visible = gtk_cmctree_is_viewable (ctree, node);
if (visible && !GTK_CMCLIST_AUTO_RESIZE_BLOCKED (clist))
{
old_width = g_new (gint, clist->columns);
for (i = 0; i < clist->columns; i++)
if (clist->column[i].auto_resize)
{
GTK_CMCLIST_GET_CLASS (clist)->cell_size_request
(clist, &GTK_CMCTREE_ROW (node)->row, i, &requisition);
old_width[i] = requisition.width;
}
}
if (GTK_CMCTREE_ROW (node)->row.style)
{
if (gtk_widget_get_realized (GTK_WIDGET(ctree)))
gtk_style_detach (GTK_CMCTREE_ROW (node)->row.style);
g_object_unref (GTK_CMCTREE_ROW (node)->row.style);
}
GTK_CMCTREE_ROW (node)->row.style = style;
if (GTK_CMCTREE_ROW (node)->row.style)
{
g_object_ref (GTK_CMCTREE_ROW (node)->row.style);
if (gtk_widget_get_realized (GTK_WIDGET(ctree)))
GTK_CMCTREE_ROW (node)->row.style =
gtk_style_attach (GTK_CMCTREE_ROW (node)->row.style,
clist->clist_window);
}
if (visible && !GTK_CMCLIST_AUTO_RESIZE_BLOCKED (clist))
{
for (i = 0; i < clist->columns; i++)
if (clist->column[i].auto_resize)
column_auto_resize (clist, &GTK_CMCTREE_ROW (node)->row, i,
old_width[i]);
g_free (old_width);
}
tree_draw_node (ctree, node);
}
GtkStyle *
gtk_cmctree_node_get_row_style (GtkCMCTree *ctree,
GtkCMCTreeNode *node)
{
cm_return_val_if_fail (GTK_IS_CMCTREE (ctree), NULL);
cm_return_val_if_fail (node != NULL, NULL);
return GTK_CMCTREE_ROW (node)->row.style;
}
void
gtk_cmctree_node_set_foreground (GtkCMCTree *ctree,
GtkCMCTreeNode *node,
const GdkColor *color)
{
cm_return_if_fail (GTK_IS_CMCTREE (ctree));
cm_return_if_fail (node != NULL);
if (color)
{
GTK_CMCTREE_ROW (node)->row.foreground = *color;
GTK_CMCTREE_ROW (node)->row.fg_set = TRUE;
#if !GTK_CHECK_VERSION(3, 0, 0)
if (gtk_widget_get_realized (GTK_WIDGET(ctree)))
gdk_colormap_alloc_color (gtk_widget_get_colormap (GTK_WIDGET (ctree)),
&GTK_CMCTREE_ROW (node)->row.foreground, TRUE, TRUE);
#endif
}
else
GTK_CMCTREE_ROW (node)->row.fg_set = FALSE;
tree_draw_node (ctree, node);
}
void
gtk_cmctree_node_set_background (GtkCMCTree *ctree,
GtkCMCTreeNode *node,
const GdkColor *color)
{
cm_return_if_fail (GTK_IS_CMCTREE (ctree));
cm_return_if_fail (node != NULL);
if (color)
{
GTK_CMCTREE_ROW (node)->row.background = *color;
GTK_CMCTREE_ROW (node)->row.bg_set = TRUE;
#if !GTK_CHECK_VERSION(3, 0, 0)
if (gtk_widget_get_realized (GTK_WIDGET(ctree)))
gdk_colormap_alloc_color (gtk_widget_get_colormap (GTK_WIDGET (ctree)),
&GTK_CMCTREE_ROW (node)->row.background, TRUE, TRUE);
#endif
}
else
GTK_CMCTREE_ROW (node)->row.bg_set = FALSE;
tree_draw_node (ctree, node);
}
void
gtk_cmctree_node_set_row_data (GtkCMCTree *ctree,
GtkCMCTreeNode *node,
gpointer data)
{
gtk_cmctree_node_set_row_data_full (ctree, node, data, NULL);
}
void
gtk_cmctree_node_set_row_data_full (GtkCMCTree *ctree,
GtkCMCTreeNode *node,
gpointer data,
GDestroyNotify destroy)
{
GDestroyNotify dnotify;
gpointer ddata;
cm_return_if_fail (GTK_IS_CMCTREE (ctree));
cm_return_if_fail (node != NULL);
dnotify = GTK_CMCTREE_ROW (node)->row.destroy;
ddata = GTK_CMCTREE_ROW (node)->row.data;
GTK_CMCTREE_ROW (node)->row.data = data;
GTK_CMCTREE_ROW (node)->row.destroy = destroy;
if (dnotify)
dnotify (ddata);
}
gpointer
gtk_cmctree_node_get_row_data (GtkCMCTree *ctree,
GtkCMCTreeNode *node)
{
cm_return_val_if_fail (GTK_IS_CMCTREE (ctree), NULL);
return node ? GTK_CMCTREE_ROW (node)->row.data : NULL;
}
void
gtk_cmctree_node_moveto (GtkCMCTree *ctree,
GtkCMCTreeNode *node,
gint column,
gfloat row_align,
gfloat col_align)
{
gint row = -1;
GtkCMCList *clist;
cm_return_if_fail (GTK_IS_CMCTREE (ctree));
clist = GTK_CMCLIST (ctree);
while (node && !gtk_cmctree_is_viewable (ctree, node))
node = GTK_CMCTREE_ROW (node)->parent;
if (node)
row = g_list_position (clist->row_list, (GList *)node);
gtk_cmclist_moveto (clist, row, column, row_align, col_align);
}
GtkVisibility
gtk_cmctree_node_is_visible (GtkCMCTree *ctree,
GtkCMCTreeNode *node)
{
gint row;
cm_return_val_if_fail (ctree != NULL, 0);
cm_return_val_if_fail (node != NULL, 0);
row = g_list_position (GTK_CMCLIST (ctree)->row_list, (GList*) node);
return gtk_cmclist_row_is_visible (GTK_CMCLIST (ctree), row);
}
/***********************************************************
* GtkCMCTree specific functions *
***********************************************************/
void
gtk_cmctree_set_indent (GtkCMCTree *ctree,
gint indent)
{
GtkCMCList *clist;
cm_return_if_fail (GTK_IS_CMCTREE (ctree));
cm_return_if_fail (indent >= 0);
if (indent == ctree->tree_indent)
return;
clist = GTK_CMCLIST (ctree);
ctree->tree_indent = indent;
if (clist->column[ctree->tree_column].auto_resize &&
!GTK_CMCLIST_AUTO_RESIZE_BLOCKED (clist))
gtk_cmclist_set_column_width
(clist, ctree->tree_column,
gtk_cmclist_optimal_column_width (clist, ctree->tree_column));
else
CLIST_REFRESH (ctree);
}
void
gtk_cmctree_set_spacing (GtkCMCTree *ctree,
gint spacing)
{
GtkCMCList *clist;
gint old_spacing;
cm_return_if_fail (GTK_IS_CMCTREE (ctree));
cm_return_if_fail (spacing >= 0);
if (spacing == ctree->tree_spacing)
return;
clist = GTK_CMCLIST (ctree);
old_spacing = ctree->tree_spacing;
ctree->tree_spacing = spacing;
if (clist->column[ctree->tree_column].auto_resize &&
!GTK_CMCLIST_AUTO_RESIZE_BLOCKED (clist))
gtk_cmclist_set_column_width (clist, ctree->tree_column,
clist->column[ctree->tree_column].width +
spacing - old_spacing);
else
CLIST_REFRESH (ctree);
}
void
gtk_cmctree_set_show_stub (GtkCMCTree *ctree,
gboolean show_stub)
{
cm_return_if_fail (GTK_IS_CMCTREE (ctree));
show_stub = show_stub != FALSE;
if (show_stub != ctree->show_stub)
{
GtkCMCList *clist;
clist = GTK_CMCLIST (ctree);
ctree->show_stub = show_stub;
if (CLIST_UNFROZEN (clist) && clist->rows &&
gtk_cmclist_row_is_visible (clist, 0) != GTK_VISIBILITY_NONE)
GTK_CMCLIST_GET_CLASS (clist)->draw_row
(clist, NULL, 0, GTK_CMCLIST_ROW (clist->row_list));
}
}
void
gtk_cmctree_set_line_style (GtkCMCTree *ctree,
GtkCMCTreeLineStyle line_style)
{
}
void
gtk_cmctree_set_expander_style (GtkCMCTree *ctree,
GtkCMCTreeExpanderStyle expander_style)
{
GtkCMCList *clist;
GtkCMCTreeExpanderStyle old_style;
cm_return_if_fail (GTK_IS_CMCTREE (ctree));
if (expander_style == ctree->expander_style)
return;
clist = GTK_CMCLIST (ctree);
old_style = ctree->expander_style;
ctree->expander_style = expander_style;
if (clist->column[ctree->tree_column].auto_resize &&
!GTK_CMCLIST_AUTO_RESIZE_BLOCKED (clist))
{
gint new_width;
new_width = clist->column[ctree->tree_column].width;
switch (old_style)
{
case GTK_CMCTREE_EXPANDER_NONE:
break;
case GTK_CMCTREE_EXPANDER_TRIANGLE:
new_width -= PM_SIZE + 3;
break;
}
switch (expander_style)
{
case GTK_CMCTREE_EXPANDER_NONE:
break;
case GTK_CMCTREE_EXPANDER_TRIANGLE:
new_width += PM_SIZE + 3;
break;
}
gtk_cmclist_set_column_width (clist, ctree->tree_column, new_width);
}
if (gtk_widget_is_drawable (GTK_WIDGET(clist)))
CLIST_REFRESH (clist);
}
/***********************************************************
* Tree sorting functions *
***********************************************************/
static void
tree_sort (GtkCMCTree *ctree,
GtkCMCTreeNode *node,
gpointer data)
{
GtkCMCTreeNode *list_start;
GtkCMCTreeNode *cmp;
GtkCMCTreeNode *work;
GtkCMCList *clist;
clist = GTK_CMCLIST (ctree);
if (node)
list_start = GTK_CMCTREE_ROW (node)->children;
else
list_start = GTK_CMCTREE_NODE (clist->row_list);
while (list_start)
{
cmp = list_start;
work = GTK_CMCTREE_ROW (cmp)->sibling;
while (work)
{
if (clist->sort_type == GTK_SORT_ASCENDING)
{
if (clist->compare
(clist, GTK_CMCTREE_ROW (work), GTK_CMCTREE_ROW (cmp)) < 0)
cmp = work;
}
else
{
if (clist->compare
(clist, GTK_CMCTREE_ROW (work), GTK_CMCTREE_ROW (cmp)) > 0)
cmp = work;
}
work = GTK_CMCTREE_ROW (work)->sibling;
}
if (cmp == list_start)
list_start = GTK_CMCTREE_ROW (cmp)->sibling;
else
{
gtk_cmctree_unlink (ctree, cmp, FALSE);
gtk_cmctree_link (ctree, cmp, node, list_start, FALSE);
}
}
}
void
gtk_cmctree_sort_recursive (GtkCMCTree *ctree,
GtkCMCTreeNode *node)
{
GtkCMCList *clist;
GtkCMCTreeNode *focus_node = NULL;
cm_return_if_fail (GTK_IS_CMCTREE (ctree));
clist = GTK_CMCLIST (ctree);
gtk_cmclist_freeze (clist);
if (clist->selection_mode == GTK_SELECTION_MULTIPLE)
{
GTK_CMCLIST_GET_CLASS (clist)->resync_selection (clist, NULL);
g_list_free (clist->undo_selection);
g_list_free (clist->undo_unselection);
clist->undo_selection = NULL;
clist->undo_unselection = NULL;
}
if (!node || (node && gtk_cmctree_is_viewable (ctree, node)))
focus_node =
GTK_CMCTREE_NODE (g_list_nth (clist->row_list, clist->focus_row));
gtk_cmctree_post_recursive (ctree, node, GTK_CMCTREE_FUNC (tree_sort), NULL);
if (!node)
tree_sort (ctree, NULL, NULL);
if (focus_node)
{
clist->focus_row = g_list_position (clist->row_list,(GList *)focus_node);
clist->undo_anchor = clist->focus_row;
}
gtk_cmclist_thaw (clist);
}
static void
real_sort_list (GtkCMCList *clist)
{
gtk_cmctree_sort_recursive (GTK_CMCTREE (clist), NULL);
}
void
gtk_cmctree_sort_node (GtkCMCTree *ctree,
GtkCMCTreeNode *node)
{
GtkCMCList *clist;
GtkCMCTreeNode *focus_node = NULL;
cm_return_if_fail (GTK_IS_CMCTREE (ctree));
clist = GTK_CMCLIST (ctree);
gtk_cmclist_freeze (clist);
if (clist->selection_mode == GTK_SELECTION_MULTIPLE)
{
GTK_CMCLIST_GET_CLASS (clist)->resync_selection (clist, NULL);
g_list_free (clist->undo_selection);
g_list_free (clist->undo_unselection);
clist->undo_selection = NULL;
clist->undo_unselection = NULL;
}
if (!node || (node && gtk_cmctree_is_viewable (ctree, node)))
focus_node = GTK_CMCTREE_NODE
(g_list_nth (clist->row_list, clist->focus_row));
tree_sort (ctree, node, NULL);
if (focus_node)
{
clist->focus_row = g_list_position (clist->row_list,(GList *)focus_node);
clist->undo_anchor = clist->focus_row;
}
gtk_cmclist_thaw (clist);
}
/************************************************************************/
static void
fake_unselect_all (GtkCMCList *clist,
gint row)
{
GList *list;
GList *focus_node = NULL;
if (row >= 0 && (focus_node = g_list_nth (clist->row_list, row)))
{
if (GTK_CMCTREE_ROW (focus_node)->row.state == GTK_STATE_NORMAL &&
GTK_CMCTREE_ROW (focus_node)->row.selectable)
{
GTK_CMCTREE_ROW (focus_node)->row.state = GTK_STATE_SELECTED;
if (CLIST_UNFROZEN (clist) &&
gtk_cmclist_row_is_visible (clist, row) != GTK_VISIBILITY_NONE)
GTK_CMCLIST_GET_CLASS (clist)->draw_row (clist, NULL, row,
GTK_CMCLIST_ROW (focus_node));
}
}
clist->undo_selection = clist->selection;
clist->selection = NULL;
clist->selection_end = NULL;
for (list = clist->undo_selection; list; list = list->next)
{
if (list->data == focus_node)
continue;
GTK_CMCTREE_ROW ((GList *)(list->data))->row.state = GTK_STATE_NORMAL;
tree_draw_node (GTK_CMCTREE (clist), GTK_CMCTREE_NODE (list->data));
}
}
static GList *
selection_find (GtkCMCList *clist,
gint row_number,
GList *row_list_element)
{
return g_list_find (clist->selection, row_list_element);
}
static void
resync_selection (GtkCMCList *clist, GdkEvent *event)
{
GtkCMCTree *ctree;
GList *list;
GtkCMCTreeNode *node;
gint i;
gint e;
gint row;
gboolean unselect;
cm_return_if_fail (GTK_IS_CMCTREE (clist));
if (clist->selection_mode != GTK_SELECTION_MULTIPLE)
return;
if (clist->anchor < 0 || clist->drag_pos < 0)
return;
ctree = GTK_CMCTREE (clist);
clist->freeze_count++;
i = MIN (clist->anchor, clist->drag_pos);
e = MAX (clist->anchor, clist->drag_pos);
if (clist->undo_selection)
{
list = clist->selection;
clist->selection = clist->undo_selection;
clist->selection_end = g_list_last (clist->selection);
clist->undo_selection = list;
list = clist->selection;
while (list)
{
node = list->data;
list = list->next;
unselect = TRUE;
if (gtk_cmctree_is_viewable (ctree, node))
{
row = g_list_position (clist->row_list, (GList *)node);
if (row >= i && row <= e)
unselect = FALSE;
}
if (unselect && GTK_CMCTREE_ROW (node)->row.selectable)
{
GTK_CMCTREE_ROW (node)->row.state = GTK_STATE_SELECTED;
gtk_cmctree_unselect (ctree, node);
clist->undo_selection = g_list_prepend (clist->undo_selection,
node);
}
}
}
if (clist->anchor < clist->drag_pos)
{
for (node = GTK_CMCTREE_NODE (g_list_nth (clist->row_list, i)); i <= e;
i++, node = GTK_CMCTREE_NODE_NEXT (node))
if (GTK_CMCTREE_ROW (node)->row.selectable)
{
if (g_list_find (clist->selection, node))
{
if (GTK_CMCTREE_ROW (node)->row.state == GTK_STATE_NORMAL)
{
GTK_CMCTREE_ROW (node)->row.state = GTK_STATE_SELECTED;
gtk_cmctree_unselect (ctree, node);
clist->undo_selection =
g_list_prepend (clist->undo_selection, node);
}
}
else if (GTK_CMCTREE_ROW (node)->row.state == GTK_STATE_SELECTED)
{
GTK_CMCTREE_ROW (node)->row.state = GTK_STATE_NORMAL;
clist->undo_unselection =
g_list_prepend (clist->undo_unselection, node);
}
}
}
else
{
for (node = GTK_CMCTREE_NODE (g_list_nth (clist->row_list, e)); i <= e;
e--, node = GTK_CMCTREE_NODE_PREV (node))
if (GTK_CMCTREE_ROW (node)->row.selectable)
{
if (g_list_find (clist->selection, node))
{
if (GTK_CMCTREE_ROW (node)->row.state == GTK_STATE_NORMAL)
{
GTK_CMCTREE_ROW (node)->row.state = GTK_STATE_SELECTED;
gtk_cmctree_unselect (ctree, node);
clist->undo_selection =
g_list_prepend (clist->undo_selection, node);
}
}
else if (GTK_CMCTREE_ROW (node)->row.state == GTK_STATE_SELECTED)
{
GTK_CMCTREE_ROW (node)->row.state = GTK_STATE_NORMAL;
clist->undo_unselection =
g_list_prepend (clist->undo_unselection, node);
}
}
}
clist->undo_unselection = g_list_reverse (clist->undo_unselection);
for (list = clist->undo_unselection; list; list = list->next)
gtk_cmctree_select (ctree, list->data);
clist->anchor = -1;
clist->drag_pos = -1;
if (!CLIST_UNFROZEN (clist))
clist->freeze_count--;
}
static void
real_undo_selection (GtkCMCList *clist)
{
GtkCMCTree *ctree;
GList *work;
cm_return_if_fail (GTK_IS_CMCTREE (clist));
if (clist->selection_mode != GTK_SELECTION_MULTIPLE)
return;
if (!(clist->undo_selection || clist->undo_unselection))
{
gtk_cmclist_unselect_all (clist);
return;
}
ctree = GTK_CMCTREE (clist);
for (work = clist->undo_selection; work; work = work->next)
if (GTK_CMCTREE_ROW (work->data)->row.selectable)
gtk_cmctree_select (ctree, GTK_CMCTREE_NODE (work->data));
for (work = clist->undo_unselection; work; work = work->next)
if (GTK_CMCTREE_ROW (work->data)->row.selectable)
gtk_cmctree_unselect (ctree, GTK_CMCTREE_NODE (work->data));
if (gtk_widget_has_focus (GTK_WIDGET(clist)) &&
clist->focus_row != clist->undo_anchor)
{
clist->focus_row = clist->undo_anchor;
gtk_widget_queue_draw (GTK_WIDGET (clist));
}
else
clist->focus_row = clist->undo_anchor;
clist->undo_anchor = -1;
g_list_free (clist->undo_selection);
g_list_free (clist->undo_unselection);
clist->undo_selection = NULL;
clist->undo_unselection = NULL;
if (ROW_TOP_YPIXEL (clist, clist->focus_row) + clist->row_height >
clist->clist_window_height)
gtk_cmclist_moveto (clist, clist->focus_row, -1, 1, 0);
else if (ROW_TOP_YPIXEL (clist, clist->focus_row) < 0)
gtk_cmclist_moveto (clist, clist->focus_row, -1, 0, 0);
}
void
gtk_cmctree_set_drag_compare_func (GtkCMCTree *ctree,
GtkCMCTreeCompareDragFunc cmp_func)
{
cm_return_if_fail (GTK_IS_CMCTREE (ctree));
ctree->drag_compare = cmp_func;
}
static gboolean
check_drag (GtkCMCTree *ctree,
GtkCMCTreeNode *drag_source,
GtkCMCTreeNode *drag_target,
GtkCMCListDragPos insert_pos)
{
cm_return_val_if_fail (GTK_IS_CMCTREE (ctree), FALSE);
if (drag_source && drag_source != drag_target &&
(!GTK_CMCTREE_ROW (drag_source)->children ||
!gtk_cmctree_is_ancestor (ctree, drag_source, drag_target)))
{
switch (insert_pos)
{
case GTK_CMCLIST_DRAG_NONE:
return FALSE;
case GTK_CMCLIST_DRAG_AFTER:
if (GTK_CMCTREE_ROW (drag_target)->sibling != drag_source)
return (!ctree->drag_compare ||
ctree->drag_compare (ctree,
drag_source,
GTK_CMCTREE_ROW (drag_target)->parent,
GTK_CMCTREE_ROW (drag_target)->sibling));
break;
case GTK_CMCLIST_DRAG_BEFORE:
if (GTK_CMCTREE_ROW (drag_source)->sibling != drag_target)
return (!ctree->drag_compare ||
ctree->drag_compare (ctree,
drag_source,
GTK_CMCTREE_ROW (drag_target)->parent,
drag_target));
break;
case GTK_CMCLIST_DRAG_INTO:
if (!GTK_CMCTREE_ROW (drag_target)->is_leaf &&
GTK_CMCTREE_ROW (drag_target)->children != drag_source)
return (!ctree->drag_compare ||
ctree->drag_compare (ctree,
drag_source,
drag_target,
GTK_CMCTREE_ROW (drag_target)->children));
break;
}
}
return FALSE;
}
/************************************/
static void
drag_dest_info_destroy (gpointer data)
{
GtkCMCListDestInfo *info = data;
g_free (info);
}
static void
drag_dest_cell (GtkCMCList *clist,
gint x,
gint y,
GtkCMCListDestInfo *dest_info)
{
GtkStyle *style;
GtkWidget *widget;
guint border_width;
widget = GTK_WIDGET (clist);
style = gtk_widget_get_style (widget);
dest_info->insert_pos = GTK_CMCLIST_DRAG_NONE;
border_width = gtk_container_get_border_width (GTK_CONTAINER (widget));
y -= (border_width +
style->ythickness + clist->column_title_area.height);
dest_info->cell.row = ROW_FROM_YPIXEL (clist, y);
if (dest_info->cell.row >= clist->rows)
{
dest_info->cell.row = clist->rows - 1;
y = ROW_TOP_YPIXEL (clist, dest_info->cell.row) + clist->row_height;
}
if (dest_info->cell.row < -1)
dest_info->cell.row = -1;
x -= border_width + style->xthickness;
dest_info->cell.column = COLUMN_FROM_XPIXEL (clist, x);
if (dest_info->cell.row >= 0)
{
gint y_delta;
gint h = 0;
y_delta = y - ROW_TOP_YPIXEL (clist, dest_info->cell.row);
if (GTK_CMCLIST_DRAW_DRAG_RECT(clist) &&
!GTK_CMCTREE_ROW (g_list_nth (clist->row_list,
dest_info->cell.row))->is_leaf)
{
dest_info->insert_pos = GTK_CMCLIST_DRAG_INTO;
h = clist->row_height / 4;
}
else if (GTK_CMCLIST_DRAW_DRAG_LINE(clist))
{
dest_info->insert_pos = GTK_CMCLIST_DRAG_BEFORE;
h = clist->row_height / 2;
}
if (GTK_CMCLIST_DRAW_DRAG_LINE(clist))
{
if (y_delta < h)
dest_info->insert_pos = GTK_CMCLIST_DRAG_BEFORE;
else if (clist->row_height - y_delta < h)
dest_info->insert_pos = GTK_CMCLIST_DRAG_AFTER;
}
}
}
static void
gtk_cmctree_drag_begin (GtkWidget *widget,
GdkDragContext *context)
{
GtkCMCList *clist;
gboolean use_icons;
cm_return_if_fail (GTK_IS_CMCTREE (widget));
cm_return_if_fail (context != NULL);
clist = GTK_CMCLIST (widget);
use_icons = GTK_CMCLIST_USE_DRAG_ICONS (clist);
GTK_CMCLIST_UNSET_FLAG (clist, CMCLIST_USE_DRAG_ICONS);
GTK_WIDGET_CLASS (parent_class)->drag_begin (widget, context);
if (use_icons)
{
GTK_CMCLIST_SET_FLAG (clist, CMCLIST_USE_DRAG_ICONS);
gtk_drag_set_icon_default (context);
}
}
static gint
gtk_cmctree_drag_motion (GtkWidget *widget,
GdkDragContext *context,
gint x,
gint y,
guint time)
{
GtkCMCList *clist;
GtkCMCTree *ctree;
GtkCMCListDestInfo new_info;
GtkCMCListDestInfo *dest_info;
cm_return_val_if_fail (GTK_IS_CMCTREE (widget), FALSE);
clist = GTK_CMCLIST (widget);
ctree = GTK_CMCTREE (widget);
dest_info = g_dataset_get_data (context, "gtk-clist-drag-dest");
if (!dest_info)
{
dest_info = g_new (GtkCMCListDestInfo, 1);
dest_info->cell.row = -1;
dest_info->cell.column = -1;
dest_info->insert_pos = GTK_CMCLIST_DRAG_NONE;
g_dataset_set_data_full (context, "gtk-clist-drag-dest", dest_info,
drag_dest_info_destroy);
}
drag_dest_cell (clist, x, y, &new_info);
if (GTK_CMCLIST_REORDERABLE (clist))
{
GdkAtom atom = gdk_atom_intern_static_string ("gtk-clist-drag-reorder");
GdkAtom found = gtk_drag_dest_find_target(widget, context, NULL);
if (atom == found)
{
GtkCMCTreeNode *drag_source;
GtkCMCTreeNode *drag_target;
drag_source = GTK_CMCTREE_NODE (g_list_nth (clist->row_list,
clist->click_cell.row));
drag_target = GTK_CMCTREE_NODE (g_list_nth (clist->row_list,
new_info.cell.row));
if (gtk_drag_get_source_widget (context) != widget ||
!check_drag (ctree, drag_source, drag_target,
new_info.insert_pos))
{
if (dest_info->cell.row < 0)
{
gdk_drag_status (context, GDK_ACTION_DEFAULT, time);
return FALSE;
}
return TRUE;
}
if (new_info.cell.row != dest_info->cell.row ||
(new_info.cell.row == dest_info->cell.row &&
dest_info->insert_pos != new_info.insert_pos))
{
dest_info->insert_pos = new_info.insert_pos;
dest_info->cell.row = new_info.cell.row;
dest_info->cell.column = new_info.cell.column;
clist->drag_highlight_row = dest_info->cell.row;
clist->drag_highlight_pos = dest_info->insert_pos;
gdk_drag_status (context,
gdk_drag_context_get_suggested_action(context), time);
}
return TRUE;
}
}
dest_info->insert_pos = new_info.insert_pos;
dest_info->cell.row = new_info.cell.row;
dest_info->cell.column = new_info.cell.column;
return TRUE;
}
static void
gtk_cmctree_drag_data_received (GtkWidget *widget,
GdkDragContext *context,
gint x,
gint y,
GtkSelectionData *selection_data,
guint info,
guint32 time)
{
GtkCMCTree *ctree;
GtkCMCList *clist;
cm_return_if_fail (GTK_IS_CMCTREE (widget));
cm_return_if_fail (context != NULL);
cm_return_if_fail (selection_data != NULL);
ctree = GTK_CMCTREE (widget);
clist = GTK_CMCLIST (widget);
if (GTK_CMCLIST_REORDERABLE (clist) &&
gtk_drag_get_source_widget (context) == widget &&
gtk_selection_data_get_target (selection_data) ==
gdk_atom_intern_static_string ("gtk-clist-drag-reorder") &&
gtk_selection_data_get_format (selection_data) == 8 &&
gtk_selection_data_get_length (selection_data) == sizeof (GtkCMCListCellInfo))
{
GtkCMCListCellInfo *source_info;
source_info = (GtkCMCListCellInfo *)(gtk_selection_data_get_data (selection_data));
if (source_info)
{
GtkCMCListDestInfo dest_info;
GtkCMCTreeNode *source_node;
GtkCMCTreeNode *dest_node;
drag_dest_cell (clist, x, y, &dest_info);
source_node = GTK_CMCTREE_NODE (g_list_nth (clist->row_list,
source_info->row));
dest_node = GTK_CMCTREE_NODE (g_list_nth (clist->row_list,
dest_info.cell.row));
if (!source_node || !dest_node)
return;
switch (dest_info.insert_pos)
{
case GTK_CMCLIST_DRAG_NONE:
break;
case GTK_CMCLIST_DRAG_INTO:
if (check_drag (ctree, source_node, dest_node,
dest_info.insert_pos))
gtk_cmctree_move (ctree, source_node, dest_node,
GTK_CMCTREE_ROW (dest_node)->children);
g_dataset_remove_data (context, "gtk-clist-drag-dest");
break;
case GTK_CMCLIST_DRAG_BEFORE:
if (check_drag (ctree, source_node, dest_node,
dest_info.insert_pos))
gtk_cmctree_move (ctree, source_node,
GTK_CMCTREE_ROW (dest_node)->parent, dest_node);
g_dataset_remove_data (context, "gtk-clist-drag-dest");
break;
case GTK_CMCLIST_DRAG_AFTER:
if (check_drag (ctree, source_node, dest_node,
dest_info.insert_pos))
gtk_cmctree_move (ctree, source_node,
GTK_CMCTREE_ROW (dest_node)->parent,
GTK_CMCTREE_ROW (dest_node)->sibling);
g_dataset_remove_data (context, "gtk-clist-drag-dest");
break;
}
}
}
}
GType
gtk_cmctree_node_get_type (void)
{
static GType our_type = 0;
if (our_type == 0)
our_type = g_pointer_type_register_static ("GtkCMCTreeNode");
return our_type;
}
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