struct rtgui_dc* rtgui_dc_client_create(rtgui_widget_t* owner)
{
struct rtgui_dc* dc;
rtgui_widget_t* widget;
/* adjudge owner */
if (owner == RT_NULL || owner->toplevel == RT_NULL) return RT_NULL;
if (!RTGUI_IS_TOPLEVEL(owner->toplevel)) return RT_NULL;
dc = RTGUI_WIDGET_DC(owner);
/* set init visible as true */
RTGUI_WIDGET_DC_SET_VISIBLE(owner);
/* check widget visible */
widget = owner;
while (widget != RT_NULL) {
if (RTGUI_WIDGET_IS_HIDE(widget)) {
RTGUI_WIDGET_DC_SET_UNVISIBLE(owner);
break;
}
widget = widget->parent;
}
if (RTGUI_IS_WINTITLE(owner->toplevel)) {
rtgui_toplevel_t* top = RTGUI_TOPLEVEL(owner->toplevel);
top->drawing ++;
if (top->drawing == 1) {
#ifdef RTGUI_USING_MOUSE_CURSOR
#ifdef __WIN32__
rt_mutex_take(&cursor_mutex, RT_WAITING_FOREVER);
rt_kprintf("hide cursor\n");
rtgui_mouse_hide_cursor();
#else
/* hide cursor */
rtgui_mouse_hide_cursor();
#endif
#endif
}
} else if (RTGUI_IS_WORKBENCH(owner->toplevel) ||
RTGUI_IS_WIN(owner->toplevel)) {
rtgui_toplevel_t* top = RTGUI_TOPLEVEL(owner->toplevel);
top->drawing ++;
if (top->drawing == 1) {
#ifdef __WIN32__
#ifdef RTGUI_USING_MOUSE_CURSOR
rt_mutex_take(&cursor_mutex, RT_WAITING_FOREVER);
rt_kprintf("hide cursor\n");
rtgui_mouse_hide_cursor();
#endif
#else
/* send draw begin to server */
struct rtgui_event_update_begin eupdate;
RTGUI_EVENT_UPDATE_BEGIN_INIT(&(eupdate));
eupdate.rect = RTGUI_WIDGET(top)->extent;
rtgui_thread_send(top->server, (struct rtgui_event*)&eupdate, sizeof(eupdate));
#endif
}
}
return dc;
}
struct rtgui_dc* rtgui_dc_hw_create(rtgui_widget_t* owner)
{
struct rtgui_dc_hw* dc;
rtgui_widget_t* widget;
/* adjudge owner */
if (owner == RT_NULL || owner->toplevel == RT_NULL) return RT_NULL;
if (!RTGUI_IS_TOPLEVEL(owner->toplevel)) return RT_NULL;
/* set init visible as true */
RTGUI_WIDGET_DC_SET_VISIBLE(owner);
/* check widget visible */
widget = owner;
while (widget != RT_NULL)
{
if (RTGUI_WIDGET_IS_HIDE(widget))
{
RTGUI_WIDGET_DC_SET_UNVISIBLE(owner);
return RT_NULL;
}
widget = widget->parent;
}
if (!RTGUI_WIDGET_IS_DC_VISIBLE(owner)) return RT_NULL;
/* create DC */
dc = (struct rtgui_dc_hw*) rtgui_malloc(sizeof(struct rtgui_dc_hw));
dc->parent.type = RTGUI_DC_HW;
dc->parent.engine = &dc_hw_engine;
dc->owner = owner;
dc->hw_driver = rtgui_graphic_driver_get_default();
if (RTGUI_IS_WINTITLE(owner->toplevel))
{
rtgui_toplevel_t* top = RTGUI_TOPLEVEL(owner->toplevel);
top->drawing ++;
if (top->drawing == 1)
{
#ifdef RTGUI_USING_MOUSE_CURSOR
#ifdef _WIN32
rt_mutex_take(&cursor_mutex, RT_WAITING_FOREVER);
rt_kprintf("hide cursor\n");
rtgui_mouse_hide_cursor();
#else
/* hide cursor */
rtgui_mouse_hide_cursor();
#endif
#endif
}
}
else if (RTGUI_IS_APPLICATION(owner->toplevel) ||
RTGUI_IS_WIN(owner->toplevel))
{
rtgui_toplevel_t* top = RTGUI_TOPLEVEL(owner->toplevel);
top->drawing ++;
if (top->drawing == 1)
{
#ifdef _WIN32
#ifdef RTGUI_USING_MOUSE_CURSOR
rt_mutex_take(&cursor_mutex, RT_WAITING_FOREVER);
rt_kprintf("hide cursor\n");
rtgui_mouse_hide_cursor();
#endif
#else
/* send draw begin to server */
struct rtgui_event_update_begin eupdate;
RTGUI_EVENT_UPDATE_BEGIN_INIT(&(eupdate));
eupdate.rect = RTGUI_WIDGET(top)->extent;
rtgui_server_post_event((struct rtgui_event*)&eupdate, sizeof(eupdate));
#endif
}
}
return &(dc->parent);
}
static rt_bool_t rtgui_dc_client_fini(struct rtgui_dc* dc)
{
rtgui_widget_t* owner;
if (dc == RT_NULL || dc->type != RTGUI_DC_CLIENT) return RT_FALSE;
/* get owner */
owner = RTGUI_CONTAINER_OF(dc, struct rtgui_widget, dc_type);
if (RTGUI_IS_WINTITLE(owner->toplevel)) {
/* update title extent */
rtgui_toplevel_t* top = RTGUI_TOPLEVEL(owner->toplevel);
top->drawing --;
if ((top->drawing == 0) && RTGUI_WIDGET_IS_DC_VISIBLE(owner)) {
#ifdef __WIN32__
#ifdef RTGUI_USING_MOUSE_CURSOR
rt_mutex_release(&cursor_mutex);
/* show cursor */
rtgui_mouse_show_cursor();
rt_kprintf("show cursor\n");
#endif
/* update screen */
rtgui_graphic_driver_screen_update(hw_driver, &(owner->extent));
#else
#ifdef RTGUI_USING_MOUSE_CURSOR
/* show cursor */
rtgui_mouse_show_cursor();
#endif
/* update screen */
rtgui_graphic_driver_screen_update(hw_driver, &(owner->extent));
#endif
}
} else if (RTGUI_IS_WORKBENCH(owner->toplevel) ||
RTGUI_IS_WIN(owner->toplevel)) {
rtgui_toplevel_t* top = RTGUI_TOPLEVEL(owner->toplevel);
top->drawing --;
if ((top->drawing == 0) && RTGUI_WIDGET_IS_DC_VISIBLE(owner)) {
#ifdef __WIN32__
#ifdef RTGUI_USING_MOUSE_CURSOR
rt_mutex_release(&cursor_mutex);
/* show cursor */
rtgui_mouse_show_cursor();
rt_kprintf("show cursor\n");
#endif
/* update screen */
rtgui_graphic_driver_screen_update(hw_driver, &(owner->extent));
#else
/* send to server to end drawing */
struct rtgui_event_update_end eupdate;
RTGUI_EVENT_UPDATE_END_INIT(&(eupdate));
eupdate.rect = owner->extent;
rtgui_thread_send(top->server, (struct rtgui_event*)&eupdate, sizeof(eupdate));
#endif
}
}
return RT_TRUE;
}
static rt_bool_t rtgui_dc_hw_fini(struct rtgui_dc* dc)
{
rtgui_widget_t* owner;
struct rtgui_dc_hw* self;
if (dc == RT_NULL || dc->type != RTGUI_DC_HW) return RT_FALSE;
self = (struct rtgui_dc_hw*)dc;
/* get owner */
owner = self->owner;
if (RTGUI_IS_WINTITLE(owner->toplevel))
{
/* update title extent */
rtgui_toplevel_t* top = RTGUI_TOPLEVEL(owner->toplevel);
top->drawing --;
if ((top->drawing == 0) && RTGUI_WIDGET_IS_DC_VISIBLE(owner))
{
#ifdef _WIN32
#ifdef RTGUI_USING_MOUSE_CURSOR
rt_mutex_release(&cursor_mutex);
/* show cursor */
rtgui_mouse_show_cursor();
rt_kprintf("show cursor\n");
#endif
/* update screen */
rtgui_graphic_driver_screen_update(self->hw_driver, &(owner->extent));
#else
#ifdef RTGUI_USING_MOUSE_CURSOR
/* show cursor */
rtgui_mouse_show_cursor();
#endif
/* update screen */
rtgui_graphic_driver_screen_update(self->hw_driver, &(owner->extent));
#endif
}
}
else if (RTGUI_IS_APPLICATION(owner->toplevel) ||
RTGUI_IS_WIN(owner->toplevel))
{
rtgui_toplevel_t* top = RTGUI_TOPLEVEL(owner->toplevel);
top->drawing --;
if ((top->drawing == 0) && RTGUI_WIDGET_IS_DC_VISIBLE(owner))
{
#ifdef _WIN32
#ifdef RTGUI_USING_MOUSE_CURSOR
rt_mutex_release(&cursor_mutex);
/* show cursor */
rtgui_mouse_show_cursor();
rt_kprintf("show cursor\n");
#endif
/* update screen */
rtgui_graphic_driver_screen_update(self->hw_driver, &(owner->extent));
#else
/* send to server to end drawing */
struct rtgui_event_update_end eupdate;
RTGUI_EVENT_UPDATE_END_INIT(&(eupdate));
eupdate.rect = owner->extent;
rtgui_server_post_event((struct rtgui_event*)&eupdate, sizeof(eupdate));
#endif
}
}
/* release hardware dc */
rtgui_free(self);
return RT_TRUE;
}
