libchimara/mouse.c

   1 #include "mouse.h"
   2 #include "magic.h"
   3
   4 /**
   5  * glk_request_mouse_event:
   6  * @win: Window on which to request a mouse input event.
   7  *
   8  * Requests mouse input on the window @win.
   9  */
  10 void
  11 glk_request_mouse_event(winid_t win)
  12 {
  13         VALID_WINDOW(win, return);
  14         g_return_if_fail(win != NULL);
  15         g_return_if_fail(win->type == wintype_TextGrid || win->type == wintype_Graphics);
  16
  17         g_signal_handler_unblock(win->widget, win->button_press_event_handler);
  18 }
  19
  20 /**
  21  * glk_cancel_mouse_event:
  22  * @win: Window with a mouse input event pending.
  23  *
  24  * Cancels the pending mouse input request on @win.
  25  */
  26 void
  27 glk_cancel_mouse_event(winid_t win)
  28 {
  29         VALID_WINDOW(win, return);
  30         g_return_if_fail(win != NULL);
  31         g_return_if_fail(win->type == wintype_TextGrid || win->type == wintype_Graphics);
  32
  33         g_signal_handler_block(win->widget, win->button_press_event_handler);
  34 }
  35
  36 gboolean
  37 on_window_button_press(GtkWidget *widget, GdkEventButton *event, winid_t win)
  38 {
  39         ChimaraGlk *glk = CHIMARA_GLK(gtk_widget_get_ancestor(win->widget, CHIMARA_TYPE_GLK));
  40         g_assert(glk);
  41
  42         switch(win->type)
  43         {
  44                 case wintype_TextGrid:
  45                         event_throw(glk, evtype_MouseInput, win, event->x/win->unit_width, event->y/win->unit_height);
  46                         break;
  47                 case wintype_Graphics:
  48                         event_throw(glk, evtype_MouseInput, win, event->x, event->y);
  49                         break;
  50                 default:
  51             ILLEGAL_PARAM("Unknown window type: %u", win->type);
  52         }
  53
  54         g_signal_handler_block(win->widget, win->button_press_event_handler);
  55
  56         return TRUE;
  57 }