LCUI_API int WidgetMsg_AddToTask( LCUI_Widget *widget, WidgetMsgData *data_ptr )
{
int i,n;
LCUI_Queue *msg_func;
LCUI_Task *task_ptr, task;
/* LCUI系统消息不能作为任务让程序在主循环里处理 */
if( data_ptr->msg_id < WIDGET_USER ) {
return -1;
}
msg_func = Widget_GetMsgFunc( widget );
if( msg_func == NULL ) {
return -2;
}
n = Queue_GetTotal( msg_func );
for(i=0; i<n; ++i) {
task_ptr = (LCUI_Task*)Queue_Get( msg_func, i );
if( task_ptr == NULL ) {
continue;
}
if( task_ptr->id != data_ptr->msg_id ) {
continue;
}
task.id = widget->app_id;
task.func = task_ptr->func;
task.arg[0] = widget;
task.arg[1] = data_ptr->data.ptr;
task.destroy_arg[0] = FALSE;
task.destroy_arg[1] = data_ptr->need_free;
AppTasks_Add( &task );
}
return 0;
}
/** 根据键盘事件，将部件事件的响应任务派发出去 */
static int Widget_DispatchKeyboardEvent( LCUI_Widget *widget,
LCUI_KeyboardEvent *event )
{
int i,n;
LCUI_EventSlot *slot;
LCUI_Task *task, task_buff;
LCUI_WidgetEvent *p_buff;
if( !widget ) {
return -1;
}
slot = EventSlots_Find( &widget->event, EVENT_KEYBOARD );
if( !slot ) {
return -2;
}
n = Queue_GetTotal( &slot->func_data );
for(i=0; i<n; ++i) {
task = (LCUI_Task*)Queue_Get( &slot->func_data, i );
/* 为事件数据申请内存空间 */
p_buff = (LCUI_WidgetEvent*)malloc( sizeof(LCUI_WidgetEvent) );
if( !p_buff ) {
perror( __FUNCTION__ );
abort();
}
/* 准备事件数据 */
p_buff->type = EVENT_KEYBOARD;
p_buff->key.key_code = event->key_code;
if( event->type == LCUI_KEYUP ) {
p_buff->key.key_state = LCUIKEYSTATE_RELEASE;
} else {
p_buff->key.key_state = LCUIKEYSTATE_PRESSED;
}
/* 准备任务 */
task_buff.id = widget->app_id;
task_buff.func = task->func;
task_buff.arg[0] = task->arg[0];
task_buff.arg[1] = p_buff;
task_buff.destroy_arg[0] = task->destroy_arg[0];
task_buff.destroy_arg[1] = TRUE;
/* 添加至程序的任务队列 */
AppTasks_Add( &task_buff );
}
return 0;
}
/** 处理与部件事件关联的回调函数 */
LCUI_API int Widget_DispatchEvent( LCUI_Widget *widget,
LCUI_WidgetEvent *event )
{
int i,n;
LCUI_EventSlot *slot;
LCUI_Task *p_task, task_buff;
LCUI_WidgetEvent *p_buff;
if( !widget ) {
return -1;
}
slot = EventSlots_Find( &widget->event, event->type );
if( !slot ) {
return -2;
}
n = Queue_GetTotal( &slot->func_data );
for(i=0; i<n; ++i) {
p_task = (LCUI_Task*)Queue_Get( &slot->func_data, i );
p_buff = (LCUI_WidgetEvent*)
malloc( sizeof(LCUI_WidgetEvent) );
if( !p_buff ) {
perror( __FUNCTION__ );
abort();
}
*p_buff = *event;
task_buff.id = widget->app_id;
task_buff.func = p_task->func;
task_buff.arg[0] = p_task->arg[0];
task_buff.arg[1] = p_buff;
task_buff.destroy_arg[0] = p_task->destroy_arg[0];
task_buff.destroy_arg[1] = TRUE;
AppTasks_Add( &task_buff );
}
return 0;
}
