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#include <stdlib.h>
#include "dumbgui.h"
GUI *gui_active;
void gui_set_active(GUI *gui)
{
gui_changed_active(gui_active);
gui_active = gui;
gui_changed_active(gui_active);
}
GUI *gui_create(GUI_COMMANDS *com, GUI *parent, int x, int y, int w, int h, void *param)
{
GUI *gui = malloc(sizeof(*gui));
if (!gui)
return NULL;
gui->com = com;
gui->parent = parent;
gui->x = x;
gui->y = y;
gui->w = w;
gui->h = h;
gui->flags = 0;
if (com->create) {
(*com->create)(gui, param);
if (!gui->data) {
free(gui);
return NULL;
}
} else
gui->data = NULL;
gui_changed_all(gui);
return gui;
}
void gui_destroy(GUI *gui)
{
if (gui) {
if (gui->com->destroy)
(*gui->com->destroy)(gui);
free(gui);
}
}
void gui_key(GUI *gui, int k)
{
if (gui && gui->com->key)
(*gui->com->key)(gui, k);
}
void gui_update(GUI *gui)
{
if (gui && gui->com->update)
(*gui->com->update)(gui);
}
void gui_draw(GUI *gui)
{
if (gui && gui->com->draw)
(*gui->com->draw)(gui);
}
/* For use with subclip(). */
void gui_draw_void(void *gui)
{
gui_draw(gui);
}
void gui_drawn(GUI *gui)
{
if (gui && gui->com->drawn)
(*gui->com->drawn)(gui);
}
void gui_changed_all(GUI *gui)
{
if (gui && gui->com->changed_all)
(*gui->com->changed_all)(gui);
}
void gui_changed_active(GUI *gui)
{
if (gui && gui->com->changed_active)
(*gui->com->changed_active)(gui);
}
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