si_t window_manager_input_handler(struct egui_uds* uds_ptr, addr_t arg)
{
struct input_device* input_device_ptr = (struct input_device*)arg;
NOT_USED(uds_ptr);
if(0 != input_device_ptr->deal_with_input(input_device_ptr, &global_wm.message_list))
{
EGUI_PRINT_ERROR("failed to deal with input");
}
/* 消息队列非空 */
while(list_empty(&(global_wm.message_list)) == 0)
{
union message * message;
/* 获得第一个消息 */
message = list_front(&(global_wm.message_list));
/* 消息中光标的位置 */
message->base.cursor_position.x = global_wm.old_cursor.x;
message->base.cursor_position.y = global_wm.old_cursor.y;
/* 有包含窗口的用户应用程序 */
if(global_wm.active_app_info_ptr != NULL && global_wm.active_win_info_ptr != NULL)
{
send_input_message(&global_wm.active_app_info_ptr->uds, message, (si_t)global_wm.active_win_info_ptr);
}
if(message->base.type == MESSAGE_TYPE_MOUSE_PRESS)
{
/**
* if not clicked in workspace area, send to desktop thread
**/
if(!is_point_in_area(&message->base.cursor_position, &global_wm.work_area) && NULL != global_wm.desktop_app_ptr)
{
send_input_message(&global_wm.desktop_app_ptr->uds, message, 0);
}
else
{
/* 更新活动窗口 */
mask_active_by_mouse_down(message);
handle_desktop_press(message);
handle_button_press(message);
handle_title_bar_press(message);
handle_frame_press(message);
}
}
else if(message->base.type == MESSAGE_TYPE_MOUSE_RELEASE)
{
/**
* if not clicked in workspace area, send to desktop thread
**/
if(!is_point_in_area(&message->base.cursor_position, &global_wm.work_area))
{
send_input_message(&global_wm.desktop_app_ptr->uds, message, 0);
}
else
{
handle_desktop_release(message);
handle_button_release(message);
handle_widget_move(message);
handle_widget_resize(message);
}
}
/* 绘制鼠标并且更新光标的坐标 */
else if(message->base.type == MESSAGE_TYPE_MOUSE_MOVE ||
message->base.type == MESSAGE_TYPE_MOUSE_MOVE_POINT)
{
if(message->mouse.code == INPUT_CODE_MOUSE_X_OFFSET)
{
if(message->base.type == MESSAGE_TYPE_MOUSE_MOVE) {
global_wm.new_cursor.x =
global_wm.new_cursor.x + message->mouse.value;
} else {
global_wm.new_cursor.x =
(double)message->mouse.value/MOUSE_RESOLUTION*
global_screen.width;
}
if(global_wm.new_cursor.x < 0)
{
global_wm.new_cursor.x = 0;
}
else if(global_wm.new_cursor.x >= (si_t)global_screen.width)
{
global_wm.new_cursor.x = global_screen.width - 1;
}
}
else if(message->mouse.code == INPUT_CODE_MOUSE_Y_OFFSET)
{
if(message->base.type == MESSAGE_TYPE_MOUSE_MOVE) {
global_wm.new_cursor.y =
global_wm.new_cursor.y + message->mouse.value;
} else {
global_wm.new_cursor.y =
(double)message->mouse.value/MOUSE_RESOLUTION*
global_screen.height;
}
if(global_wm.new_cursor.y < 0)
{
global_wm.new_cursor.y = 0;
}
else if(global_wm.new_cursor.y >= (si_t)global_screen.height)
{
global_wm.new_cursor.y = global_screen.height - 1;
}
}
accumulate_widget_move(message);
accumulate_widget_resize(message);
cursor_paint();
global_wm.old_cursor = global_wm.new_cursor;
}
/* 删除已分发的消息 */
list_pop_front(&(global_wm.message_list));
}
return 0;
}
static void application_handle_message(union message* msg)
{
/**
* 如果是桌面程序 那么首先将消息发给桌面的回调函数处理
**/
if(global_application.application_type & APPLICATION_TYPE_DESKTOP)
{
if(global_application.desktop_msg_handler != NULL)
{
global_application.desktop_msg_handler(global_application.desktop_ptr, msg);
}
}
switch(msg->base.type)
{
case MESSAGE_TYPE_KEYBD_PRESS:
handle_keybd_press(msg);
break;
case MESSAGE_TYPE_KEYBD_RELEASE:
handle_keybd_release(msg);
break;
case MESSAGE_TYPE_KEYBD_CLICK:
handle_keybd_click(msg);
break;
case MESSAGE_TYPE_MOUSE_MOVE:
handle_mouse_move(msg);
break;
case MESSAGE_TYPE_MOUSE_PRESS:
handle_mouse_press(msg);
break;
case MESSAGE_TYPE_MOUSE_RELEASE:
handle_mouse_release(msg);
break;
case MESSAGE_TYPE_MOUSE_SINGLE_CLICK:
handle_mouse_single_click(msg);
break;
case MESSAGE_TYPE_MOUSE_DOUBLE_CLICK:
handle_mouse_double_click(msg);
break;
case MESSAGE_TYPE_WIDGET_REPAINT:
handle_widget_repaint(msg);
break;
case MESSAGE_TYPE_WIDGET_MOVE:
handle_widget_move(msg);
break;
case MESSAGE_TYPE_WIDGET_RESIZE:
handle_widget_resize(msg);
break;
case MESSAGE_TYPE_WINDOW_ACTIVATE:
handle_window_activate(msg);
break;
case MESSAGE_TYPE_WINDOW_DEACTIVATE:
handle_window_deactivate(msg);
break;
case MESSAGE_TYPE_WINDOW_MINIMIZE:
handle_window_minimize(msg);
break;
case MESSAGE_TYPE_WINDOW_MAXIMIZE:
handle_window_maximize(msg);
break;
case MESSAGE_TYPE_WINDOW_RESTORE:
handle_window_restore(msg);
break;
case MESSAGE_TYPE_WINDOW_CANCEL:
handle_window_cancel(msg);
break;
default:
application_widgets_for_each_increament(do_find_window, msg);
break;
}
}
