61 lines
1.4 KiB
C++
61 lines
1.4 KiB
C++
#include <SDL2/SDL_events.h>
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#include <SDL2/SDL_rect.h>
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#include <basic_widgets/core/math.hpp>
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#include <basic_widgets/w/feat/mouse_handler.hpp>
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using namespace bwidgets;
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auto MouseHandler::handle_mouse(const SDL_MouseButtonEvent& ev, const SDL_Rect& orig)
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-> MouseHandler*
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{
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if (_click_area == nullptr) return this;
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const SDL_Point p {ev.x, ev.y};
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const SDL_Rect vp {rect_offset(*_click_area, orig)};
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if (ev.type == SDL_MOUSEBUTTONDOWN) {
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if (SDL_PointInRect(&p, &vp) == SDL_TRUE) {
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push(true);
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_handle_mouse_button(ev, vp);
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}
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else focus(false);
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}
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else {
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if (_is_pushed) {
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if (SDL_PointInRect(&p, &vp) == SDL_TRUE) {
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focus(true);
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if (click_handler != nullptr) click_handler(ev);
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}
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push(false);
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_handle_mouse_button(ev, vp);
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}
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}
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return this;
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}
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auto MouseHandler::handle_mouse(const SDL_MouseMotionEvent& ev, const SDL_Rect& orig)
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-> MouseHandler*
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{
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if (_click_area == nullptr) return this;
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const SDL_Point p {ev.x, ev.y};
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const SDL_Rect vp {rect_offset(*_click_area, orig)};
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_is_hovered = SDL_PointInRect(&p, &vp) != 0;
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if (_is_hovered) _handle_mouse_motion(ev, orig);
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return this;
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}
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auto MouseHandler::push(bool state) -> MouseHandler*
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{
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_on_push(state);
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_is_pushed = state;
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return this;
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}
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