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claws-mail/src/gtk/gtksctree.c
wwp 3d4be15e38 Fix missing initializers, taking for reference GLib 2.28 (with support 
for up to 2.56) and Python 2.4 (with support for up to 3.6).
2018-05-26 15:14:44 +02:00

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/*
* Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
* Parts of this file:
* Copyright (C) 1999-2012 Hiroyuki Yamamoto and the Claws Mail team
*
* Parts of this file from gtk/gtkctree.c and gtk/gtkclist.c:
* Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball, Josh MacDonald,
* Copyright (C) 1997-1998 Jay Painter <jpaint@serv.net><jpaint@gimp.org>
*
* Parts of this file from gtkflist.c:
* Copyright (C) 1999 The Free Software Foundation
* Author: Federico Mena <federico@nuclecu.unam.mx>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 3 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
#include <stdlib.h>
#include "gtksctree.h"
#include "claws-marshal.h"
#include "prefs_common.h"
#include "utils.h"
#include "gtkutils.h"
#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
#define CELL_SPACING 1
#define CLIST_OPTIMUM_SIZE 64
#define COLUMN_INSET 3
#define PM_SIZE 8
#define TAB_SIZE (PM_SIZE + 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)
enum {
ROW_POPUP_MENU,
EMPTY_POPUP_MENU,
OPEN_ROW,
START_DRAG,
LAST_SIGNAL
};
static void gtk_sctree_class_init (GtkSCTreeClass *class);
static void gtk_sctree_init (GtkSCTree *sctree);
static gint gtk_sctree_button_press (GtkWidget *widget, GdkEventButton *event);
static gint gtk_sctree_button_release (GtkWidget *widget, GdkEventButton *event);
static gint gtk_sctree_motion (GtkWidget *widget, GdkEventMotion *event);
static void gtk_sctree_drag_begin (GtkWidget *widget, GdkDragContext *context);
static void gtk_sctree_drag_end (GtkWidget *widget, GdkDragContext *context);
static void gtk_sctree_drag_data_get (GtkWidget *widget, GdkDragContext *context,
GtkSelectionData *data, guint info, guint time);
static void gtk_sctree_drag_leave (GtkWidget *widget, GdkDragContext *context, guint time);
static gboolean gtk_sctree_drag_motion (GtkWidget *widget, GdkDragContext *context,
gint x, gint y, guint time);
static gboolean gtk_sctree_drag_drop (GtkWidget *widget, GdkDragContext *context,
gint x, gint y, guint time);
static void gtk_sctree_drag_data_received (GtkWidget *widget, GdkDragContext *context,
gint x, gint y, GtkSelectionData *data,
guint info, guint time);
static void gtk_sctree_clear (GtkCMCList *clist);
static void gtk_sctree_real_unselect_all (GtkCMCList *clist);
static void stree_sort (GtkCMCTree *ctree, GtkCMCTreeNode *node, gpointer data);
void gtk_sctree_sort_node (GtkCMCTree *ctree, GtkCMCTreeNode *node);
void gtk_sctree_sort_recursive (GtkCMCTree *ctree, GtkCMCTreeNode *node);
static void gtk_sctree_link (GtkCMCTree *ctree,
GtkCMCTreeNode *node,
GtkCMCTreeNode *parent,
GtkCMCTreeNode *sibling,
gboolean update_focus_row);
static void gtk_sctree_unlink (GtkCMCTree *ctree,
GtkCMCTreeNode *node,
gboolean update_focus_row);
static void stree_update_level (GtkCMCTree *ctree,
GtkCMCTreeNode *node,
gpointer data);
static GtkCMCTreeNode * gtk_sctree_last_visible (GtkCMCTree *ctree,
GtkCMCTreeNode *node);
static void gtk_sctree_real_tree_expand (GtkCMCTree *ctree,
GtkCMCTreeNode *node);
static void gtk_sctree_real_tree_collapse (GtkCMCTree *ctree,
GtkCMCTreeNode *node);
static void
sreal_tree_move (GtkCMCTree *ctree,
GtkCMCTreeNode *node,
GtkCMCTreeNode *new_parent,
GtkCMCTreeNode *new_sibling);
static GtkCMCTreeClass *parent_class;
static guint sctree_signals[LAST_SIGNAL];
/**
* gtk_sctree_get_type:
* @void:
*
* Creates the GtkSCTree class and its type information
*
* Return value: The type ID for GtkSCTreeClass
**/
GType
gtk_sctree_get_type (void)
{
static GType sctree_type = 0;
if (!sctree_type) {
GTypeInfo sctree_info = {
sizeof (GtkSCTreeClass),
(GBaseInitFunc) NULL,
(GBaseFinalizeFunc) NULL,
(GClassInitFunc) gtk_sctree_class_init,
(GClassFinalizeFunc) NULL,
NULL, /* class_data */
sizeof (GtkSCTree),
0, /* n_preallocs */
(GInstanceInitFunc) gtk_sctree_init,
(const GTypeValueTable *) NULL /* value table */
};
sctree_type = g_type_register_static (GTK_TYPE_CMCTREE, "GtkSCTree", &sctree_info, (GTypeFlags)0);
}
return sctree_type;
}
static void
gtk_sctree_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 (gtkut_pointer_is_grabbed (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:
if (GTK_SCTREE(ctree)->always_expand_recursively)
gtk_cmctree_expand_recursive (ctree, node);
else
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:
if (GTK_SCTREE(ctree)->always_expand_recursively)
gtk_cmctree_toggle_expansion_recursive (ctree, node);
else
gtk_cmctree_toggle_expansion (ctree, node);
break;
case GTK_CMCTREE_EXPANSION_TOGGLE_RECURSIVE:
gtk_cmctree_toggle_expansion_recursive (ctree, node);
break;
}
}
static void gtk_sctree_finalize(GObject *object)
{
GtkSCTree *sctree = GTK_SCTREE(object);
g_free(sctree->use_markup);
sctree->use_markup = NULL;
G_OBJECT_CLASS (parent_class)->finalize (object);
}
/* Standard class initialization function */
static void
gtk_sctree_class_init (GtkSCTreeClass *klass)
{
GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
GtkWidgetClass *widget_class;
GtkCMCListClass *clist_class;
GtkCMCTreeClass *ctree_class;
widget_class = (GtkWidgetClass *) klass;
clist_class = (GtkCMCListClass *) klass;
ctree_class = (GtkCMCTreeClass *) klass;
parent_class = g_type_class_peek (gtk_cmctree_get_type ());
sctree_signals[ROW_POPUP_MENU] =
g_signal_new ("row_popup_menu",
G_TYPE_FROM_CLASS (klass),
G_SIGNAL_RUN_FIRST,
G_STRUCT_OFFSET (GtkSCTreeClass, row_popup_menu),
NULL, NULL,
claws_marshal_VOID__POINTER,
G_TYPE_NONE, 1,
GDK_TYPE_EVENT);
sctree_signals[EMPTY_POPUP_MENU] =
g_signal_new ("empty_popup_menu",
G_TYPE_FROM_CLASS (klass),
G_SIGNAL_RUN_FIRST,
G_STRUCT_OFFSET (GtkSCTreeClass, empty_popup_menu),
NULL, NULL,
claws_marshal_VOID__POINTER,
G_TYPE_NONE, 1,
GDK_TYPE_EVENT);
sctree_signals[OPEN_ROW] =
g_signal_new ("open_row",
G_TYPE_FROM_CLASS (klass),
G_SIGNAL_RUN_FIRST,
G_STRUCT_OFFSET (GtkSCTreeClass, open_row),
NULL, NULL,
g_cclosure_marshal_VOID__VOID,
G_TYPE_NONE, 0);
sctree_signals[START_DRAG] =
g_signal_new ("start_drag",
G_TYPE_FROM_CLASS (klass),
G_SIGNAL_RUN_FIRST,
G_STRUCT_OFFSET (GtkSCTreeClass, start_drag),
NULL, NULL,
claws_marshal_VOID__INT_POINTER,
G_TYPE_NONE, 2,
G_TYPE_INT,
GDK_TYPE_EVENT);
/* gtk_object_class_add_signals (object_class, sctree_signals, LAST_SIGNAL); */
clist_class->clear = gtk_sctree_clear;
clist_class->unselect_all = gtk_sctree_real_unselect_all;
ctree_class->tree_collapse = gtk_sctree_real_tree_collapse;
ctree_class->tree_expand = gtk_sctree_real_tree_expand;
ctree_class->tree_move = sreal_tree_move;
ctree_class->change_focus_row_expansion = gtk_sctree_change_focus_row_expansion;
widget_class->button_press_event = gtk_sctree_button_press;
widget_class->button_release_event = gtk_sctree_button_release;
widget_class->motion_notify_event = gtk_sctree_motion;
widget_class->drag_begin = gtk_sctree_drag_begin;
widget_class->drag_end = gtk_sctree_drag_end;
widget_class->drag_data_get = gtk_sctree_drag_data_get;
widget_class->drag_leave = gtk_sctree_drag_leave;
widget_class->drag_motion = gtk_sctree_drag_motion;
widget_class->drag_drop = gtk_sctree_drag_drop;
widget_class->drag_data_received = gtk_sctree_drag_data_received;
gobject_class->finalize = gtk_sctree_finalize;
}
/* Standard object initialization function */
static void
gtk_sctree_init (GtkSCTree *sctree)
{
sctree->anchor_row = NULL;
/* GtkCMCTree does not specify pointer motion by default */
gtk_widget_add_events (GTK_WIDGET (sctree), GDK_POINTER_MOTION_MASK);
gtk_widget_add_events (GTK_WIDGET (sctree), GDK_POINTER_MOTION_MASK);
}
/* Get information the specified row is selected. */
static gboolean
row_is_selected(GtkSCTree *sctree, gint row)
{
GtkCMCListRow *clist_row;
clist_row = g_list_nth (GTK_CMCLIST(sctree)->row_list, row)->data;
return clist_row ? clist_row->state == GTK_STATE_SELECTED : FALSE;
}
/* Selects the rows between the anchor to the specified row, inclusive. */
static void
select_range (GtkSCTree *sctree, gint row)
{
gint prev_row;
gint min, max;
gint i;
GList *node;
if (sctree->anchor_row == NULL) {
prev_row = row;
sctree->anchor_row = gtk_cmctree_node_nth(GTK_CMCTREE(sctree), row);
} else
prev_row = g_list_position(GTK_CMCLIST(sctree)->row_list,
(GList *)sctree->anchor_row);
if (row < prev_row) {
min = row;
max = prev_row;
GTK_CMCLIST(sctree)->focus_row = min;
} else {
min = prev_row;
max = row;
}
sctree->selecting_range++;
if (max < min) {
int t = min;
min = max;
max = t;
}
if (max - min > 10)
gtk_cmclist_freeze(GTK_CMCLIST(sctree));
node = g_list_nth((GTK_CMCLIST(sctree))->row_list, min);
for (i = min; i < max; i++) {
if (node && GTK_CMCTREE_ROW (node)->row.selectable) {
g_signal_emit_by_name(G_OBJECT(sctree), "tree_select_row",
node, -1);
}
node = node->next;
}
if (max - min > 10)
gtk_cmclist_thaw(GTK_CMCLIST(sctree));
sctree->selecting_range--;
gtk_cmclist_select_row (GTK_CMCLIST (sctree), max, -1);
}
/* Handles row selection according to the specified modifier state */
/* in certain cases, we arrive here from a function knowing the GtkCMCTreeNode, and having
* already slowly found row using g_list_position. In which case, _node will be non-NULL
* to avoid this function having to slowly find it with g_list_nth. */
static void
select_row (GtkSCTree *sctree, gint row, gint col, guint state, GtkCMCTreeNode *_node)
{
gboolean range, additive;
cm_return_if_fail (sctree != NULL);
cm_return_if_fail (GTK_IS_SCTREE (sctree));
range = ((state & GDK_SHIFT_MASK) != 0) &&
(GTK_CMCLIST(sctree)->selection_mode != GTK_SELECTION_SINGLE) &&
(GTK_CMCLIST(sctree)->selection_mode != GTK_SELECTION_BROWSE);
additive = ((state & GDK_CONTROL_MASK) != 0) &&
(GTK_CMCLIST(sctree)->selection_mode != GTK_SELECTION_SINGLE) &&
(GTK_CMCLIST(sctree)->selection_mode != GTK_SELECTION_BROWSE);
if (!range && !additive && sctree->force_additive_sel)
additive = TRUE;
GTK_CMCLIST(sctree)->focus_row = row;
if (!additive) {
gtk_cmclist_unselect_all (GTK_CMCLIST (sctree));
}
if (!range) {
GtkCMCTreeNode *node;
node = _node ? _node : gtk_cmctree_node_nth (GTK_CMCTREE(sctree), row);
/*No need to manage overlapped list*/
if (additive) {
if (row_is_selected(sctree, row))
gtk_cmclist_unselect_row (GTK_CMCLIST (sctree), row, col);
else
g_signal_emit_by_name
(G_OBJECT (sctree),
"tree_select_row", node, col);
} else {
g_signal_emit_by_name
(G_OBJECT (sctree),
"tree_select_row", node, col);
}
sctree->anchor_row = node;
} else
select_range (sctree, row);
}
static gboolean
sctree_is_hot_spot (GtkSCTree *sctree,
GtkCMCTreeNode *node,
gint row,
gint x,
gint y)
{
GtkCMCTreeRow *tree_row;
GtkCMCList *clist;
GtkCMCTree *ctree;
gint xl, xmax;
gint yu;
gint hotspot_size;
cm_return_val_if_fail (GTK_IS_SCTREE (sctree), FALSE);
cm_return_val_if_fail (node != NULL, FALSE);
clist = GTK_CMCLIST (sctree);
ctree = GTK_CMCTREE (sctree);
if (!clist->column[ctree->tree_column].visible ||
ctree->expander_style == GTK_CMCTREE_EXPANDER_NONE)
return FALSE;
tree_row = GTK_CMCTREE_ROW (node);
if (!tree_row->children)
return FALSE;
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;
if (!GTK_CMCLIST_ROW_HEIGHT_SET(GTK_CMCLIST(clist)))
yu = (ROW_TOP_YPIXEL (clist, row) + (clist->row_height - hotspot_size) / 2 -
(clist->row_height - 1) % 2);
else
yu = (ROW_TOP_YPIXEL (clist, row) + (clist->row_height/2 - hotspot_size) / 2 -
(clist->row_height/2 - 1) % 2);
#ifndef GENERIC_UMPC
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;
xmax = xl + hotspot_size;
#else
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;
xmax = xl + hotspot_size;
} else if (ctree->tree_column == 0) {
xl = clist->column[ctree->tree_column].area.x + clist->hoffset;
xmax = clist->column[ctree->tree_column].area.x + 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;
xmax = xl + hotspot_size;
}
#endif
return (x >= xl && x <= xmax && y >= yu && y <= yu + hotspot_size);
}
gboolean
gtk_sctree_is_hot_spot (GtkSCTree *ctree,
gint x,
gint y)
{
GtkCMCTreeNode *node;
gint column;
gint row;
cm_return_val_if_fail (GTK_IS_SCTREE (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 sctree_is_hot_spot (ctree, node, row, x, y);
return FALSE;
}
/* Our handler for button_press events. We override all of GtkCMCList's broken
* behavior.
*/
static gint
gtk_sctree_button_press (GtkWidget *widget, GdkEventButton *event)
{
GtkSCTree *sctree;
GtkCMCList *clist;
gboolean on_row;
gint row;
gint col;
gint retval;
cm_return_val_if_fail (widget != NULL, FALSE);
cm_return_val_if_fail (GTK_IS_SCTREE (widget), FALSE);
cm_return_val_if_fail (event != NULL, FALSE);
sctree = GTK_SCTREE (widget);
clist = GTK_CMCLIST (widget);
retval = FALSE;
if (event->window != clist->clist_window)
return (* GTK_WIDGET_CLASS (parent_class)->button_press_event) (widget, event);
on_row = gtk_cmclist_get_selection_info (clist, event->x, event->y, &row, &col);
if (on_row && !gtk_widget_has_focus(widget))
gtk_widget_grab_focus (widget);
if (gtk_sctree_is_hot_spot (GTK_SCTREE(sctree), event->x, event->y)) {
GtkCMCTreeNode *node = gtk_cmctree_node_nth(GTK_CMCTREE(sctree), row);
if (GTK_CMCTREE_ROW (node)->expanded)
gtk_cmctree_collapse(GTK_CMCTREE(sctree), node);
else if (GTK_SCTREE(sctree)->always_expand_recursively)
gtk_cmctree_expand_recursive (GTK_CMCTREE(sctree), node);
else
gtk_cmctree_expand(GTK_CMCTREE(sctree), node);
return TRUE;
}
switch (event->type) {
case GDK_BUTTON_PRESS:
if (event->button == 1 || event->button == 2) {
if (event->button == 2)
event->state &= ~(GDK_SHIFT_MASK | GDK_CONTROL_MASK);
if (on_row) {
/* Save the mouse info for DnD */
sctree->dnd_press_button = event->button;
sctree->dnd_press_x = event->x;
sctree->dnd_press_y = event->y;
/* Handle selection */
if ((row_is_selected (sctree, row)
&& !(event->state & (GDK_CONTROL_MASK | GDK_SHIFT_MASK)))
|| ((event->state & GDK_CONTROL_MASK)
&& !(event->state & GDK_SHIFT_MASK))) {
sctree->dnd_select_pending = TRUE;
sctree->dnd_select_pending_state = event->state;
sctree->dnd_select_pending_row = row;
} else {
select_row (sctree, row, col, event->state, NULL);
}
} else {
gtk_cmclist_unselect_all (clist);
}
retval = TRUE;
} else if (event->button == 3) {
/* Emit *_popup_menu signal*/
if (on_row) {
if (!row_is_selected(sctree,row))
select_row (sctree, row, col, 0, NULL);
g_signal_emit (G_OBJECT (sctree),
sctree_signals[ROW_POPUP_MENU],
0, event);
} else {
gtk_cmclist_unselect_all(clist);
g_signal_emit (G_OBJECT (sctree),
sctree_signals[EMPTY_POPUP_MENU],
0, event);
}
retval = TRUE;
}
break;
case GDK_2BUTTON_PRESS:
if (event->button != 1)
break;
sctree->dnd_select_pending = FALSE;
sctree->dnd_select_pending_state = 0;
if (on_row)
g_signal_emit (G_OBJECT (sctree),
sctree_signals[OPEN_ROW], 0);
retval = TRUE;
break;
default:
break;
}
return retval;
}
/* Our handler for button_release events. We override all of GtkCMCList's broken
* behavior.
*/
static gint
gtk_sctree_button_release (GtkWidget *widget, GdkEventButton *event)
{
GtkSCTree *sctree;
GtkCMCList *clist;
gint on_row;
gint row, col;
gint retval;
cm_return_val_if_fail (widget != NULL, FALSE);
cm_return_val_if_fail (GTK_IS_SCTREE (widget), FALSE);
cm_return_val_if_fail (event != NULL, FALSE);
sctree = GTK_SCTREE (widget);
clist = GTK_CMCLIST (widget);
retval = FALSE;
if (event->window != clist->clist_window)
return (* GTK_WIDGET_CLASS (parent_class)->button_release_event) (widget, event);
on_row = gtk_cmclist_get_selection_info (clist, event->x, event->y, &row, &col);
if (!(event->button == 1 || event->button == 2))
return FALSE;
sctree->dnd_press_button = 0;
sctree->dnd_press_x = 0;
sctree->dnd_press_y = 0;
if (on_row) {
if (sctree->dnd_select_pending) {
select_row (sctree, row, col, sctree->dnd_select_pending_state, NULL);
sctree->dnd_select_pending = FALSE;
sctree->dnd_select_pending_state = 0;
}
retval = TRUE;
}
return retval;
}
/* Our handler for motion_notify events. We override all of GtkCMCList's broken
* behavior.
*/
static gint
gtk_sctree_motion (GtkWidget *widget, GdkEventMotion *event)
{
GtkSCTree *sctree;
GtkCMCList *clist;
cm_return_val_if_fail (widget != NULL, FALSE);
cm_return_val_if_fail (GTK_IS_SCTREE (widget), FALSE);
cm_return_val_if_fail (event != NULL, FALSE);
sctree = GTK_SCTREE (widget);
clist = GTK_CMCLIST (widget);
if (event->window != clist->clist_window)
return (* GTK_WIDGET_CLASS (parent_class)->motion_notify_event) (widget, event);
if (!((sctree->dnd_press_button == 1 && (event->state & GDK_BUTTON1_MASK))
|| (sctree->dnd_press_button == 2 && (event->state & GDK_BUTTON2_MASK))))
return FALSE;
/* This is the same threshold value that is used in gtkdnd.c */
#ifndef GENERIC_UMPC
#define THRESHOLD 3
#else
#define THRESHOLD 8
#endif
if (MAX (ABS (sctree->dnd_press_x - event->x),
ABS (sctree->dnd_press_y - event->y)) <= THRESHOLD)
return FALSE;
/* Handle any pending selections */
if (sctree->dnd_select_pending) {
if (!row_is_selected(sctree,sctree->dnd_select_pending_row))
select_row (sctree,
sctree->dnd_select_pending_row,
-1,
sctree->dnd_select_pending_state,
NULL);
sctree->dnd_select_pending = FALSE;
sctree->dnd_select_pending_state = 0;
}
g_signal_emit (G_OBJECT (sctree),
sctree_signals[START_DRAG],
0,
sctree->dnd_press_button,
event);
return TRUE;
}
/* We override the drag_begin signal to do nothing */
static void
gtk_sctree_drag_begin (GtkWidget *widget, GdkDragContext *context)
{
/* nothing */
}
/* We override the drag_end signal to do nothing */
static void
gtk_sctree_drag_end (GtkWidget *widget, GdkDragContext *context)
{
/* nothing */
}
/* We override the drag_data_get signal to do nothing */
static void
gtk_sctree_drag_data_get (GtkWidget *widget, GdkDragContext *context,
GtkSelectionData *data, guint info, guint time)
{
/* nothing */
}
/* We override the drag_leave signal to do nothing */
static void
gtk_sctree_drag_leave (GtkWidget *widget, GdkDragContext *context, guint time)
{
/* nothing */
}
/* We override the drag_motion signal to do nothing */
static gboolean
gtk_sctree_drag_motion (GtkWidget *widget, GdkDragContext *context,
gint x, gint y, guint time)
{
return FALSE;
}
/* We override the drag_drop signal to do nothing */
static gboolean
gtk_sctree_drag_drop (GtkWidget *widget, GdkDragContext *context,
gint x, gint y, guint time)
{
return FALSE;
}
/* We override the drag_data_received signal to do nothing */
static void
gtk_sctree_drag_data_received (GtkWidget *widget, GdkDragContext *context,
gint x, gint y, GtkSelectionData *data,
guint info, guint time)
{
/* nothing */
}
/* Our handler for the clear signal of the clist. We have to reset the anchor
* to null.
*/
static void
gtk_sctree_clear (GtkCMCList *clist)
{
GtkSCTree *sctree;
cm_return_if_fail (clist != NULL);
cm_return_if_fail (GTK_IS_SCTREE (clist));
sctree = GTK_SCTREE (clist);
sctree->anchor_row = NULL;
if (((GtkCMCListClass *)parent_class)->clear)
(* ((GtkCMCListClass *)parent_class)->clear) (clist);
}
static void
gtk_sctree_real_unselect_all (GtkCMCList *clist)
{
GtkSCTree *sctree;
gboolean should_freeze = FALSE;
cm_return_if_fail (clist != NULL);
cm_return_if_fail (GTK_IS_SCTREE (clist));
sctree = GTK_SCTREE (clist);
if (sc_g_list_bigger(GTK_CMCLIST(sctree)->selection, 10)) {
should_freeze = TRUE;
sctree->selecting_range++;
gtk_cmclist_freeze (GTK_CMCLIST (sctree));
}
if (((GtkCMCListClass *)parent_class)->unselect_all)
(* ((GtkCMCListClass *)parent_class)->unselect_all) (clist);
if (should_freeze) {
gtk_cmclist_thaw (GTK_CMCLIST (sctree));
sctree->selecting_range--;
}
}
static void
gtk_sctree_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;
GtkRequisition button_req;
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)
{
gtk_widget_get_requisition (clist->column[column].button, &button_req);
new_width = (button_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
gtk_sctree_auto_resize_columns (GtkCMCList *clist)
{
gint i;
if (GTK_CMCLIST_AUTO_RESIZE_BLOCKED (clist))
return;
for (i = 0; i < clist->columns; i++)
gtk_sctree_column_auto_resize (clist, NULL, i, clist->column[i].width);
}
static void
gtk_sctree_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 */
gtk_sctree_auto_resize_columns (clist);
if (!GTK_SCTREE(clist)->sorting) {
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 */
gtk_sctree_column_auto_resize (clist, &GTK_CMCTREE_ROW (node)->row, ctree->tree_column,
requisition.width);
}
GtkWidget *gtk_sctree_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, NULL);
if (tree_column >= columns) {
g_warning("Wrong tree column");
tree_column = 0;
print_backtrace();
}
widget = gtk_widget_new (TYPE_GTK_SCTREE,
"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);
}
GTK_SCTREE(widget)->show_stripes = TRUE;
GTK_SCTREE(widget)->always_expand_recursively = TRUE;
GTK_SCTREE(widget)->force_additive_sel = FALSE;
GTK_SCTREE(widget)->use_markup = g_new0(gboolean, columns);
return widget;
}
void gtk_sctree_set_use_markup (GtkSCTree *sctree,
int column,
gboolean markup)
{
gint columns = 0;
GValue value = { 0 };
cm_return_if_fail(GTK_IS_SCTREE(sctree));
g_value_init (&value, G_TYPE_INT);
g_object_get_property (G_OBJECT (sctree), "n-columns", &value);
columns = g_value_get_int (&value);
g_value_unset (&value);
cm_return_if_fail(column < columns);
sctree->use_markup[column] = markup;
}
void gtk_sctree_select (GtkSCTree *sctree, GtkCMCTreeNode *node)
{
select_row(sctree,
g_list_position(GTK_CMCLIST(sctree)->row_list, (GList *)node),
-1, 0, node);
}
void gtk_sctree_select_with_state (GtkSCTree *sctree, GtkCMCTreeNode *node, int state)
{
select_row(sctree,
g_list_position(GTK_CMCLIST(sctree)->row_list, (GList *)node),
-1, state, node);
}
void gtk_sctree_unselect_all (GtkSCTree *sctree)
{
gtk_cmclist_unselect_all(GTK_CMCLIST(sctree));
sctree->anchor_row = NULL;
}
void gtk_sctree_set_anchor_row (GtkSCTree *sctree, GtkCMCTreeNode *node)
{
sctree->anchor_row = node;
}
void gtk_sctree_remove_node (GtkSCTree *sctree, GtkCMCTreeNode *node)
{
if (sctree->anchor_row == node)
sctree->anchor_row = NULL;
gtk_cmctree_remove_node(GTK_CMCTREE(sctree), node);
}
void gtk_sctree_set_stripes(GtkSCTree *sctree, gboolean show_stripes)
{
sctree->show_stripes = show_stripes;
}
void gtk_sctree_set_recursive_expand(GtkSCTree *sctree, gboolean rec_exp)
{
sctree->always_expand_recursively = rec_exp;
}
/***********************************************************
* Tree sorting functions *
***********************************************************/
static void sink(GtkCMCList *clist, GPtrArray *numbers, gint root, gint bottom)
{
gint j, k ;
GtkCMCTreeNode *temp;
j = 2 * root;
k = j + 1;
/* find the maximum element of numbers[root],
numbers[2*root] and numbers[2*root+1] */
if (j <= bottom) {
if (clist->compare( clist, GTK_CMCTREE_ROW (g_ptr_array_index(numbers, root)),
GTK_CMCTREE_ROW(g_ptr_array_index( numbers, j))) >= 0)
j = root;
if (k <= bottom)
if (clist->compare( clist, GTK_CMCTREE_ROW (g_ptr_array_index(numbers, k)),
GTK_CMCTREE_ROW (g_ptr_array_index( numbers, j))) > 0)
j = k;
/* if numbers[root] wasn't the maximum element then
sink again */
if (root != j) {
temp = g_ptr_array_index( numbers,root);
g_ptr_array_index( numbers, root) = g_ptr_array_index( numbers, j);
g_ptr_array_index( numbers, j) = temp;
sink( clist, numbers, j, bottom);
}
}
}
static void heap_sort(GtkCMCList *clist, GPtrArray *numbers, gint array_size)
{
gint i;
GtkCMCTreeNode *temp;
/* build the Heap */
for (i = (array_size / 2); i >= 1; i--)
sink( clist, numbers, i, array_size);
/* output the Heap */
for (i = array_size; i >= 2; i--) {
temp = g_ptr_array_index( numbers, 1);
g_ptr_array_index( numbers, 1) = g_ptr_array_index( numbers, i);
g_ptr_array_index( numbers, i) = temp;
sink( clist, numbers, 1, i-1);
}
}
static void
stree_sort (GtkCMCTree *ctree,
GtkCMCTreeNode *node,
gpointer data)
{
GtkCMCTreeNode *list_start, *work, *next;
GPtrArray *row_array, *viewable_array;
GtkCMCList *clist;
gint i;
clist = GTK_CMCLIST (ctree);
if (node)
work = GTK_CMCTREE_ROW (node)->children;
else
work = GTK_CMCTREE_NODE (clist->row_list);
row_array = g_ptr_array_new();
viewable_array = g_ptr_array_new();
if (work) {
g_ptr_array_add( row_array, NULL);
while (work) {
/* add all rows to row_array */
g_ptr_array_add( row_array, work);
if (GTK_CMCTREE_ROW (work)->parent && gtk_cmctree_is_viewable( ctree, work))
g_ptr_array_add( viewable_array, GTK_CMCTREE_ROW (work)->parent);
next = GTK_CMCTREE_ROW (work)->sibling;
gtk_sctree_unlink( ctree, work, FALSE);
work = next;
}
heap_sort( clist, row_array, (row_array->len)-1);
if (node)
list_start = GTK_CMCTREE_ROW (node)->children;
else
list_start = GTK_CMCTREE_NODE (clist->row_list);
if (clist->sort_type == GTK_SORT_ASCENDING) {
for (i=(row_array->len)-1; i>=1; i--) {
work = g_ptr_array_index( row_array, i);
gtk_sctree_link( ctree, work, node, list_start, FALSE);
list_start = work;
/* insert work at the beginning of the list */
}
} else {
for (i=1; i<row_array->len; i++) {
work = g_ptr_array_index( row_array, i);
gtk_sctree_link( ctree, work, node, list_start, FALSE);
list_start = work;
/* insert work at the beginning of the list */
}
}
for (i=0; i<viewable_array->len; i++) {
gtk_cmctree_expand( ctree, g_ptr_array_index( viewable_array, i));
}
}
g_ptr_array_free( row_array, TRUE);
g_ptr_array_free( viewable_array, TRUE);
}
void
gtk_sctree_sort_recursive (GtkCMCTree *ctree,
GtkCMCTreeNode *node)
{
GtkCMCList *clist;
GtkCMCTreeNode *focus_node = NULL;
cm_return_if_fail (ctree != 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_SCTREE(ctree)->sorting = TRUE;
gtk_cmctree_post_recursive (ctree, node, GTK_CMCTREE_FUNC (stree_sort), NULL);
if (!node)
stree_sort (ctree, NULL, NULL);
GTK_SCTREE(ctree)->sorting = FALSE;
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);
}
void
gtk_sctree_sort_node (GtkCMCTree *ctree,
GtkCMCTreeNode *node)
{
GtkCMCList *clist;
GtkCMCTreeNode *focus_node = NULL;
cm_return_if_fail (ctree != 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_SCTREE(ctree)->sorting = TRUE;
stree_sort (ctree, node, NULL);
GTK_SCTREE(ctree)->sorting = FALSE;
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
gtk_sctree_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 (ctree != NULL);
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;
}
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
gtk_sctree_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_sctree_last_visible (ctree,
GTK_CMCTREE_NODE (work));
list_end->next = work->next;
if (work->next)
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, stree_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
stree_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 GtkCMCTreeNode *
gtk_sctree_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_sctree_last_visible (ctree, work);
}
static void
sset_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 GtkCMCTreeRow *
srow_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
srow_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
stree_delete_row (GtkCMCTree *ctree,
GtkCMCTreeNode *node,
gpointer data)
{
srow_delete (ctree, GTK_CMCTREE_ROW (node));
g_list_free_1 ((GList *)node);
}
static void
gtk_sctree_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;
if (clist->row_list_end == list)
clist->row_list_end = g_list_last(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);
if (!GTK_SCTREE(ctree)->sorting) {
/* 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 */
gtk_sctree_column_auto_resize (clist, &GTK_CMCTREE_ROW (node)->row, ctree->tree_column,
requisition.width);
}
GtkCMCTreeNode *
gtk_sctree_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 = srow_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);
sset_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_sctree_link (ctree, node, parent, sibling, FALSE);
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)
gtk_sctree_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_sctree_select (GTK_SCTREE(ctree), node);
}
CLIST_REFRESH (clist);
return node;
}
GtkCMCTreeNode *
gtk_sctree_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 = srow_new (ctree);
cnode = GTK_CMCTREE_NODE (list);
gtk_cmclist_freeze (clist);
sset_node_info (ctree, cnode, "", 0, NULL, NULL, TRUE, FALSE);
if (!func (ctree, depth, gnode, cnode, data))
{
stree_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_sctree_link (ctree, cnode, parent, sibling, FALSE);
for (work = g_node_last_child (gnode); work; work = work->prev)
{
new_child = gtk_sctree_insert_gnode (ctree, cnode, child,
work, func, data);
if (new_child)
child = new_child;
}
gtk_cmclist_thaw (clist);
return cnode;
}
static void
sreal_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_SCTREE(ctree)->sorting && gtk_cmctree_is_viewable (ctree, node))
work = GTK_CMCTREE_NODE (g_list_nth (clist->row_list, clist->focus_row));
gtk_sctree_unlink (ctree, node, FALSE);
gtk_sctree_link (ctree, node, new_parent, new_sibling, FALSE);
if (!GTK_SCTREE(ctree)->sorting && 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);
}
void gtk_sctree_set_column_tooltip (GtkSCTree *sctree,
int column,
const gchar *tip)
{
CLAWS_SET_TIP(GTK_CMCLIST(sctree)->column[column].button,
tip);
}
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