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mouse_cursor.c
120 lines (94 loc) · 2.75 KB
/
mouse_cursor.c
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/* ______ ___ ___
* /\ _ \ /\_ \ /\_ \
* \ \ \L\ \\//\ \ \//\ \ __ __ _ __ ___
* \ \ __ \ \ \ \ \ \ \ /'__`\ /'_ `\/\`'__\/ __`\
* \ \ \/\ \ \_\ \_ \_\ \_/\ __//\ \L\ \ \ \//\ \L\ \
* \ \_\ \_\/\____\/\____\ \____\ \____ \ \_\\ \____/
* \/_/\/_/\/____/\/____/\/____/\/___L\ \/_/ \/___/
* /\____/
* \_/__/
*
* Mouse cursors.
*
* See LICENSE.txt for copyright information.
*/
#include "allegro5/allegro.h"
#include "allegro5/internal/aintern_display.h"
#include "allegro5/internal/aintern_system.h"
/* Function: al_create_mouse_cursor
*/
ALLEGRO_MOUSE_CURSOR *al_create_mouse_cursor(ALLEGRO_BITMAP *bmp,
int x_focus, int y_focus)
{
ALLEGRO_SYSTEM *sysdrv = al_get_system_driver();
ASSERT(bmp);
ASSERT(sysdrv->vt->create_mouse_cursor);
return sysdrv->vt->create_mouse_cursor(bmp, x_focus, y_focus);
}
/* Function: al_destroy_mouse_cursor
*/
void al_destroy_mouse_cursor(ALLEGRO_MOUSE_CURSOR *cursor)
{
ALLEGRO_SYSTEM *sysdrv;
if (!cursor) {
return;
}
sysdrv = al_get_system_driver();
ASSERT(sysdrv->vt->destroy_mouse_cursor);
sysdrv->vt->destroy_mouse_cursor(cursor);
}
/* Function: al_set_mouse_cursor
*/
bool al_set_mouse_cursor(ALLEGRO_DISPLAY *display, ALLEGRO_MOUSE_CURSOR *cursor)
{
if (!cursor) {
return false;
}
if (display) {
ASSERT(display->vt->set_mouse_cursor);
return display->vt->set_mouse_cursor(display, cursor);
}
return false;
}
/* Function: al_set_system_mouse_cursor
*/
bool al_set_system_mouse_cursor(ALLEGRO_DISPLAY *display,
ALLEGRO_SYSTEM_MOUSE_CURSOR cursor_id)
{
/* XXX should you be able to set ALLEGRO_SYSTEM_MOUSE_CURSOR_NONE? */
ASSERT(cursor_id > ALLEGRO_SYSTEM_MOUSE_CURSOR_NONE);
ASSERT(cursor_id < ALLEGRO_NUM_SYSTEM_MOUSE_CURSORS);
ASSERT(display);
if (cursor_id <= ALLEGRO_SYSTEM_MOUSE_CURSOR_NONE) {
return false;
}
if (cursor_id > ALLEGRO_NUM_SYSTEM_MOUSE_CURSORS) {
return false;
}
if (!display) {
return false;
}
ASSERT(display->vt->set_system_mouse_cursor);
return display->vt->set_system_mouse_cursor(display, cursor_id);
}
/* Function: al_show_mouse_cursor
*/
bool al_show_mouse_cursor(ALLEGRO_DISPLAY *display)
{
if (display) {
ASSERT(display->vt->show_mouse_cursor);
return display->vt->show_mouse_cursor(display);
}
return false;
}
/* Function: al_hide_mouse_cursor
*/
bool al_hide_mouse_cursor(ALLEGRO_DISPLAY *display)
{
if (display) {
ASSERT(display->vt->hide_mouse_cursor);
return display->vt->hide_mouse_cursor(display);
}
return false;
}
/* vim: set sts=3 sw=3 et: */