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Add some handlers for the new event handling.

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The handlers aren't connected yet, just a sample how they should look.
This commit is contained in:
Mark de Wever 2009-09-22 20:08:15 +00:00
parent b2e7cfc2ec
commit 12de275d92
2 changed files with 69 additions and 0 deletions
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57
src/gui/widgets/event_handler.cpp
View File

@ -26,6 +26,8 @@
#include "gui/widgets/widget.hpp"
#include "gui/widgets/window.hpp"
#include <boost/bind.hpp>
namespace gui2{
/**
@ -757,6 +759,61 @@ void tevent_handler::key_down(const SDL_Event& event)
}
}
void tevent_handler::connect()
{
twindow& w = get_window();
w.event::tdispatcher::connect();
w.connect_signal<event::DRAW>(boost::bind(&twindow::draw, &get_window()));
w.connect_signal<event::SDL_MOUSE_MOTION>(
boost::bind(&tevent_handler::sdl_mouse_motion, this, _4));
w.connect_signal<event::SDL_LEFT_BUTTON_DOWN>(
boost::bind(&tevent_handler::sdl_left_button_down, this, _4));
w.connect_signal<event::SDL_LEFT_BUTTON_UP>(
boost::bind(&tevent_handler::sdl_left_button_up, this, _4));
}
void tevent_handler::sdl_mouse_motion(const tpoint& coordinate)
{
SDL_Event event;
twidget* mouse_over = find_at(coordinate, true);
if(mouse_captured_) {
mouse_focus_->mouse_move(*this);
set_hover(true);
} else {
if(!mouse_focus_ && mouse_over) {
mouse_enter(event, mouse_over);
} else if (mouse_focus_ && !mouse_over) {
mouse_leave(event, mouse_over);
} else if(mouse_focus_ && mouse_focus_ == mouse_over) {
mouse_over->mouse_move(*this);
set_hover();
} else if(mouse_focus_ && mouse_over) {
// moved from one widget to the next
mouse_leave(event, mouse_over);
mouse_enter(event, mouse_over);
} else {
assert(!mouse_focus_ && !mouse_over);
}
}
}
void tevent_handler::sdl_left_button_down(const tpoint& coordinate)
{
SDL_Event event;
twidget* mouse_over = find_at(coordinate, true);
mouse_button_down(event, mouse_over, left_);
}
void tevent_handler::sdl_left_button_up(const tpoint& coordinate)
{
SDL_Event event;
twidget* mouse_over = find_at(coordinate, true);
mouse_button_up(event, mouse_over, left_);
}
/**
* The event handling system.
*

12
src/gui/widgets/event_handler.hpp
View File

@ -416,6 +416,18 @@ private:
* false otherwise.
*/
virtual bool click_dismiss() = 0;
public:
void connect();
private:
void sdl_mouse_motion(const tpoint& coordinate);
void sdl_left_button_down(const tpoint& coordinate);
void sdl_left_button_up(const tpoint& coordinate);
};
} // namespace gui2