Initial version of input support
This commit is contained in:
Alexander Larsson
@ -26,18 +26,18 @@
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* Modified by the GTK+ Team and others 1997-2000. See the AUTHORS
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* file for a list of people on the GTK+ Team. See the ChangeLog
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* files for a list of changes. These files are distributed with
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* GTK+ at ftp://ftp.gtk.org/pub/gtk/.
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* GTK+ at ftp://ftp.gtk.org/pub/gtk/.
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*/
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/* forward declarations */
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static void gdk_input_check_proximity (GdkDisplay *display);
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void
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void
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_gdk_input_init(GdkDisplay *display)
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{
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_gdk_init_input_core (display);
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GDK_DISPLAY_X11 (display)->input_ignore_core = FALSE;
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display->ignore_core_events = FALSE;
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_gdk_input_common_init (display, FALSE);
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}
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@ -47,7 +47,6 @@ gdk_device_set_mode (GdkDevice *device,
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{
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GList *tmp_list;
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GdkDevicePrivate *gdkdev;
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GdkInputMode old_mode;
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GdkInputWindow *input_window;
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GdkDisplayX11 *display_impl;
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@ -59,58 +58,35 @@ gdk_device_set_mode (GdkDevice *device,
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if (device->mode == mode)
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return TRUE;
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old_mode = device->mode;
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device->mode = mode;
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display_impl = GDK_DISPLAY_X11 (gdkdev->display);
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if (mode == GDK_MODE_WINDOW)
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{
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device->has_cursor = FALSE;
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for (tmp_list = display_impl->input_windows; tmp_list; tmp_list = tmp_list->next)
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{
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input_window = (GdkInputWindow *)tmp_list->data;
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if (input_window->mode != GDK_EXTENSION_EVENTS_CURSOR)
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_gdk_input_enable_window (input_window->window, gdkdev);
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else
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if (old_mode != GDK_MODE_DISABLED)
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_gdk_input_disable_window (input_window->window, gdkdev);
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}
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}
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device->has_cursor = FALSE;
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else if (mode == GDK_MODE_SCREEN)
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device->has_cursor = TRUE;
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display_impl = GDK_DISPLAY_X11 (gdkdev->display);
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for (tmp_list = display_impl->input_windows; tmp_list; tmp_list = tmp_list->next)
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{
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device->has_cursor = TRUE;
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for (tmp_list = display_impl->input_windows; tmp_list; tmp_list = tmp_list->next)
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_gdk_input_enable_window (((GdkInputWindow *)tmp_list->data)->window,
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gdkdev);
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}
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else /* mode == GDK_MODE_DISABLED */
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{
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for (tmp_list = display_impl->input_windows; tmp_list; tmp_list = tmp_list->next)
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{
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input_window = (GdkInputWindow *)tmp_list->data;
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if (old_mode != GDK_MODE_WINDOW ||
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input_window->mode != GDK_EXTENSION_EVENTS_CURSOR)
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_gdk_input_disable_window (input_window->window, gdkdev);
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}
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input_window = (GdkInputWindow *)tmp_list->data;
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_gdk_input_select_events (input_window->impl_window, gdkdev);
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}
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return TRUE;
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}
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static void
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gdk_input_check_proximity (GdkDisplay *display)
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{
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gint new_proximity = 0;
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GdkDisplayX11 *display_impl = GDK_DISPLAY_X11 (display);
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GList *tmp_list = display_impl->input_devices;
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gint new_proximity = 0;
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while (tmp_list && !new_proximity)
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while (tmp_list && !new_proximity)
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{
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GdkDevicePrivate *gdkdev = (GdkDevicePrivate *)(tmp_list->data);
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if (gdkdev->info.mode != GDK_MODE_DISABLED
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if (gdkdev->info.mode != GDK_MODE_DISABLED
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&& !GDK_IS_CORE (gdkdev)
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&& gdkdev->xdevice)
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{
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@ -118,7 +94,7 @@ gdk_input_check_proximity (GdkDisplay *display)
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gdkdev->xdevice);
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XInputClass *xic;
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int i;
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xic = state->data;
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for (i=0; i<state->num_classes; i++)
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{
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@ -135,117 +111,197 @@ gdk_input_check_proximity (GdkDisplay *display)
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}
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XFreeDeviceState (state);
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}
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}
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tmp_list = tmp_list->next;
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}
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display_impl->input_ignore_core = new_proximity;
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display->ignore_core_events = new_proximity;
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}
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void
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_gdk_input_configure_event (XConfigureEvent *xevent,
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GdkWindow *window)
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{
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GdkWindowObject *priv = (GdkWindowObject *)window;
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GdkInputWindow *input_window;
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gint root_x, root_y;
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input_window = _gdk_input_window_find(window);
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g_return_if_fail (input_window != NULL);
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_gdk_input_get_root_relative_geometry(GDK_WINDOW_XDISPLAY (window),
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GDK_WINDOW_XWINDOW (window),
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&root_x, &root_y, NULL, NULL);
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input_window->root_x = root_x;
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input_window->root_y = root_y;
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input_window = priv->input_window;
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if (input_window != NULL)
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{
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_gdk_input_get_root_relative_geometry (window, &root_x, &root_y);
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input_window->root_x = root_x;
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input_window->root_y = root_y;
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}
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}
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void
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_gdk_input_enter_event (XCrossingEvent *xevent,
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GdkWindow *window)
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void
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_gdk_input_crossing_event (GdkWindow *window,
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gboolean enter)
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{
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GdkDisplay *display = GDK_WINDOW_DISPLAY (window);
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GdkDisplayX11 *display_impl = GDK_DISPLAY_X11 (display);
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GdkWindowObject *priv = (GdkWindowObject *)window;
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GdkInputWindow *input_window;
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gint root_x, root_y;
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input_window = _gdk_input_window_find (window);
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g_return_if_fail (input_window != NULL);
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if (enter)
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{
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gdk_input_check_proximity(display);
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gdk_input_check_proximity(GDK_WINDOW_DISPLAY (window));
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_gdk_input_get_root_relative_geometry(GDK_WINDOW_XDISPLAY (window),
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GDK_WINDOW_XWINDOW(window),
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&root_x, &root_y, NULL, NULL);
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input_window->root_x = root_x;
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input_window->root_y = root_y;
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input_window = priv->input_window;
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if (input_window != NULL)
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{
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_gdk_input_get_root_relative_geometry (window, &root_x, &root_y);
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input_window->root_x = root_x;
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input_window->root_y = root_y;
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}
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}
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else
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display->ignore_core_events = FALSE;
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}
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gboolean
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_gdk_input_other_event (GdkEvent *event,
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XEvent *xevent,
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GdkWindow *window)
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static GdkEventType
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get_input_event_type (GdkDevicePrivate *gdkdev,
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XEvent *xevent,
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int *core_x, int *core_y)
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{
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GdkInputWindow *input_window;
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if (xevent->type == gdkdev->buttonpress_type)
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{
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XDeviceButtonEvent *xie = (XDeviceButtonEvent *)(xevent);
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*core_x = xie->x;
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*core_y = xie->y;
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return GDK_BUTTON_PRESS;
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}
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if (xevent->type == gdkdev->buttonrelease_type)
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{
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XDeviceButtonEvent *xie = (XDeviceButtonEvent *)(xevent);
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*core_x = xie->x;
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*core_y = xie->y;
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return GDK_BUTTON_RELEASE;
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}
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if (xevent->type == gdkdev->keypress_type)
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{
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XDeviceKeyEvent *xie = (XDeviceKeyEvent *)(xevent);
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*core_x = xie->x;
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*core_y = xie->y;
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return GDK_KEY_PRESS;
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}
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if (xevent->type == gdkdev->keyrelease_type)
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{
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XDeviceKeyEvent *xie = (XDeviceKeyEvent *)(xevent);
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*core_x = xie->x;
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*core_y = xie->y;
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return GDK_KEY_RELEASE;
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}
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if (xevent->type == gdkdev->motionnotify_type)
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{
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XDeviceMotionEvent *xie = (XDeviceMotionEvent *)(xevent);
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*core_x = xie->x;
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*core_y = xie->y;
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return GDK_MOTION_NOTIFY;
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}
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if (xevent->type == gdkdev->proximityin_type)
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{
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XProximityNotifyEvent *xie = (XProximityNotifyEvent *)(xevent);
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*core_x = xie->x;
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*core_y = xie->y;
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return GDK_PROXIMITY_IN;
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}
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if (xevent->type == gdkdev->proximityout_type)
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{
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XProximityNotifyEvent *xie = (XProximityNotifyEvent *)(xevent);
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*core_x = xie->x;
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*core_y = xie->y;
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return GDK_PROXIMITY_OUT;
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}
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*core_x = 0;
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*core_y = 0;
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return GDK_NOTHING;
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}
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gboolean
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_gdk_input_other_event (GdkEvent *event,
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XEvent *xevent,
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GdkWindow *event_window)
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{
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GdkWindow *window;
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GdkWindowObject *priv;
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GdkInputWindow *iw;
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GdkDevicePrivate *gdkdev;
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gint return_val;
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GdkDisplayX11 *display_impl = GDK_DISPLAY_X11 (GDK_WINDOW_DISPLAY (window));
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input_window = _gdk_input_window_find(window);
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g_return_val_if_fail (input_window != NULL, FALSE);
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GdkEventType event_type;
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int x, y;
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GdkDisplay *display = GDK_WINDOW_DISPLAY (event_window);
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GdkDisplayX11 *display_impl = GDK_DISPLAY_X11 (display);
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/* This is a sort of a hack, as there isn't any XDeviceAnyEvent -
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but it's potentially faster than scanning through the types of
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every device. If we were deceived, then it won't match any of
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the types for the device anyways */
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gdkdev = _gdk_input_find_device (GDK_WINDOW_DISPLAY (window),
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gdkdev = _gdk_input_find_device (display,
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((XDeviceButtonEvent *)xevent)->deviceid);
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if (!gdkdev)
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return FALSE; /* we don't handle it - not an XInput event */
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/* FIXME: It would be nice if we could just get rid of the events
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entirely, instead of having to ignore them */
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if (gdkdev->info.mode == GDK_MODE_DISABLED ||
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(gdkdev->info.mode == GDK_MODE_WINDOW
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&& input_window->mode == GDK_EXTENSION_EVENTS_CURSOR))
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event_type = get_input_event_type (gdkdev, xevent, &x, &y);
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if (event_type == GDK_NOTHING)
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return FALSE;
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if (!display_impl->input_ignore_core)
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gdk_input_check_proximity(GDK_WINDOW_DISPLAY (window));
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return_val = _gdk_input_common_other_event (event, xevent,
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input_window, gdkdev);
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window = _gdk_window_get_input_window_for_event (event_window,
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event_type,
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x, y,
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xevent->xany.serial);
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/* If we're not getting any event window its likely because we're outside the
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window and there is no grab. We should still report according to the
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implicit grab though. */
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iw = ((GdkWindowObject *)event_window)->input_window;
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if (window == NULL)
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window = iw->button_down_window;
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priv = (GdkWindowObject *)window;
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if (window == NULL)
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return FALSE;
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if (gdkdev->info.mode == GDK_MODE_DISABLED ||
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!(gdkdev->info.has_cursor || (priv->extension_events & GDK_ALL_DEVICES_MASK)))
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return FALSE;
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if (!display->ignore_core_events && priv->extension_events != 0)
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gdk_input_check_proximity (GDK_WINDOW_DISPLAY (window));
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return_val = _gdk_input_common_other_event (event, xevent, window, gdkdev);
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if (return_val && event->type == GDK_BUTTON_PRESS)
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iw->button_down_window = window;
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if (return_val && event->type == GDK_BUTTON_RELEASE)
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iw->button_down_window = NULL;
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if (return_val && event->type == GDK_PROXIMITY_OUT &&
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display_impl->input_ignore_core)
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gdk_input_check_proximity(GDK_WINDOW_DISPLAY (window));
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display->ignore_core_events)
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gdk_input_check_proximity (GDK_WINDOW_DISPLAY (window));
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return return_val;
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}
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gboolean
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_gdk_input_enable_window(GdkWindow *window, GdkDevicePrivate *gdkdev)
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{
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/* FIXME: watchout, gdkdev might be core pointer, never opened */
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_gdk_input_common_select_events (window, gdkdev);
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return TRUE;
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}
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gboolean
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_gdk_input_disable_window(GdkWindow *window, GdkDevicePrivate *gdkdev)
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{
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_gdk_input_common_select_events (window, gdkdev);
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return TRUE;
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}
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gint
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_gdk_input_grab_pointer (GdkWindow * window,
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gint
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_gdk_input_grab_pointer (GdkWindow *window,
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GdkWindow *native_window, /* This is the toplevel */
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gint owner_events,
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GdkEventMask event_mask,
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GdkWindow * confine_to,
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guint32 time)
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{
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GdkInputWindow *input_window, *new_window;
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GdkInputWindow *input_window;
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GdkWindowObject *priv, *impl_window;
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gboolean need_ungrab;
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GdkDevicePrivate *gdkdev;
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GList *tmp_list;
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@ -255,36 +311,36 @@ _gdk_input_grab_pointer (GdkWindow * window,
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GdkDisplayX11 *display_impl = GDK_DISPLAY_X11 (GDK_WINDOW_DISPLAY (window));
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tmp_list = display_impl->input_windows;
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new_window = NULL;
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need_ungrab = FALSE;
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while (tmp_list)
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{
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input_window = (GdkInputWindow *)tmp_list->data;
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if (input_window->window == window)
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new_window = input_window;
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else if (input_window->grabbed)
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if (input_window->grabbed)
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{
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input_window->grabbed = FALSE;
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need_ungrab = TRUE;
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break;
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}
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tmp_list = tmp_list->next;
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}
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if (new_window)
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priv = (GdkWindowObject *)window;
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impl_window = (GdkWindowObject *)_gdk_window_get_impl_window (window);
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input_window = impl_window->input_window;
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if (priv->extension_events)
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{
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new_window->grabbed = TRUE;
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g_assert (input_window != NULL);
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input_window->grabbed = TRUE;
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tmp_list = display_impl->input_devices;
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while (tmp_list)
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{
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gdkdev = (GdkDevicePrivate *)tmp_list->data;
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if (!GDK_IS_CORE (gdkdev) && gdkdev->xdevice)
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{
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_gdk_input_common_find_events (window, gdkdev,
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event_mask,
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_gdk_input_common_find_events (gdkdev, event_mask,
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event_classes, &num_classes);
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#ifdef G_ENABLE_DEBUG
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if (_gdk_debug_flags & GDK_DEBUG_NOGRABS)
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@ -292,10 +348,10 @@ _gdk_input_grab_pointer (GdkWindow * window,
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else
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#endif
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result = XGrabDevice (display_impl->xdisplay, gdkdev->xdevice,
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GDK_WINDOW_XWINDOW (window),
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GDK_WINDOW_XWINDOW (native_window),
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owner_events, num_classes, event_classes,
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GrabModeAsync, GrabModeAsync, time);
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/* FIXME: if failure occurs on something other than the first
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device, things will be badly inconsistent */
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if (result != Success)
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@ -305,7 +361,7 @@ _gdk_input_grab_pointer (GdkWindow * window,
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}
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}
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else
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{
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{
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tmp_list = display_impl->input_devices;
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while (tmp_list)
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{
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@ -316,17 +372,16 @@ _gdk_input_grab_pointer (GdkWindow * window,
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XUngrabDevice (display_impl->xdisplay, gdkdev->xdevice, time);
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gdkdev->button_state = 0;
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}
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tmp_list = tmp_list->next;
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}
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}
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return Success;
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}
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void
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_gdk_input_ungrab_pointer (GdkDisplay *display,
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void
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_gdk_input_ungrab_pointer (GdkDisplay *display,
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guint32 time)
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{
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GdkInputWindow *input_window = NULL; /* Quiet GCC */
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Block a user