39 lines
No EOL
1.2 KiB
C
39 lines
No EOL
1.2 KiB
C
#ifndef RALEIGH_WIDGET_H
|
|
#define RALEIGH_WIDGET_H
|
|
|
|
namespace raleigh {
|
|
class widget;
|
|
}
|
|
|
|
#include <raleigh/window.h>
|
|
#include <pland/syscall.h>
|
|
#include <raleigh/util.h>
|
|
|
|
namespace raleigh {
|
|
class widget {
|
|
public:
|
|
coord size;
|
|
|
|
//set by window class (or parent widget)
|
|
window *w;
|
|
coord window_offset;
|
|
|
|
//fewest steps up that a widget can be redrawn without needing its parents
|
|
//if a widget is opaque, it will set this to a pointer to itself, and then call
|
|
// notify_has_opaque_parent on any children, passing itself as an argument.
|
|
//in notify_has_opaque_parent's handler, it should set this if it isn't already set,
|
|
// and then call notify_has_opaque_parent on any children (with the opaque parent).
|
|
widget *closest_opaque;
|
|
|
|
//called by window class (or parent widget)
|
|
virtual void notify_window_change() = 0;
|
|
virtual void paint(_pixel_t *pixbuf, uint32_t pitch) = 0;
|
|
virtual void handle_click(coord window_coords, enum mouse_packet::mouse_button click_type, bool up) = 0;
|
|
virtual void notify_has_opaque_parent(widget *parent) = 0;
|
|
virtual void handle_key(struct key_packet kp) = 0;
|
|
virtual void on_focus() = 0;
|
|
virtual void on_unfocus() = 0;
|
|
};
|
|
}
|
|
|
|
#endif |