3 * Copyright (C) 2006-2007 Imendio AB
4 * Contact: Kristian Rietveld <kris@imendio.com>
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Library General Public
8 * License as published by the Free Software Foundation; either
9 * version 2 of the License, or (at your option) any later version.
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Library General Public License for more details.
16 * You should have received a copy of the GNU Library General Public
17 * License along with this library; if not, write to the
18 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
19 * Boston, MA 02111-1307, USA.
24 #include "gtktooltip.h"
30 #include "gtkwindow.h"
35 #include "gtksizerequest.h"
36 #include "gtkwindowprivate.h"
41 * @Short_description: Add tips to your widgets
44 * Basic tooltips can be realized simply by using gtk_widget_set_tooltip_text()
45 * or gtk_widget_set_tooltip_markup() without any explicit tooltip object.
47 * When you need a tooltip with a little more fancy contents, like adding an
48 * image, or you want the tooltip to have different contents per #GtkTreeView
49 * row or cell, you will have to do a little more work:
53 * Set the #GtkWidget:has-tooltip property to %TRUE, this will make GTK+
54 * monitor the widget for motion and related events which are needed to
55 * determine when and where to show a tooltip.
60 * Connect to the #GtkWidget::query-tooltip signal. This signal will be
61 * emitted when a tooltip is supposed to be shown. One of the arguments passed
62 * to the signal handler is a GtkTooltip object. This is the object that we
63 * are about to display as a tooltip, and can be manipulated in your callback
64 * using functions like gtk_tooltip_set_icon(). There are functions for setting
65 * the tooltip's markup, setting an image from a stock icon, or even putting in
71 * Return %TRUE from your query-tooltip handler. This causes the tooltip to be
72 * show. If you return %FALSE, it will not be shown.
77 * In the probably rare case where you want to have even more control over the
78 * tooltip that is about to be shown, you can set your own #GtkWindow which
79 * will be used as tooltip window. This works as follows:
83 * Set #GtkWidget:has-tooltip and connect to #GtkWidget::query-tooltip as
89 * Use gtk_widget_set_tooltip_window() to set a #GtkWindow created by you as
95 * In the #GtkWidget::query-tooltip callback you can access your window using
96 * gtk_widget_get_tooltip_window() and manipulate as you wish. The semantics of
97 * the return value are exactly as before, return %TRUE to show the window,
98 * %FALSE to not show it.
108 #define GTK_TOOLTIP_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GTK_TYPE_TOOLTIP, GtkTooltipClass))
109 #define GTK_IS_TOOLTIP_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GTK_TYPE_TOOLTIP))
110 #define GTK_TOOLTIP_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GTK_TYPE_TOOLTIP, GtkTooltipClass))
112 typedef struct _GtkTooltipClass GtkTooltipClass;
116 GObject parent_instance;
119 GtkWidget *alignment;
123 GtkWidget *custom_widget;
125 GtkWindow *current_window;
126 GtkWidget *keyboard_widget;
128 GtkWidget *tooltip_widget;
129 GdkWindow *toplevel_window;
133 GdkWindow *last_window;
136 guint browse_mode_timeout_id;
138 GdkRectangle tip_area;
140 guint browse_mode_enabled : 1;
141 guint keyboard_mode_enabled : 1;
142 guint tip_area_set : 1;
143 guint custom_was_reset : 1;
146 struct _GtkTooltipClass
148 GObjectClass parent_class;
151 #define GTK_TOOLTIP_VISIBLE(tooltip) ((tooltip)->current_window && gtk_widget_get_visible (GTK_WIDGET((tooltip)->current_window)))
154 static void gtk_tooltip_class_init (GtkTooltipClass *klass);
155 static void gtk_tooltip_init (GtkTooltip *tooltip);
156 static void gtk_tooltip_dispose (GObject *object);
158 static gboolean gtk_tooltip_paint_window (GtkTooltip *tooltip,
160 static void gtk_tooltip_realize_window (GtkTooltip *tooltip,
162 static void gtk_tooltip_composited_changed (GtkTooltip *tooltip,
164 static void gtk_tooltip_window_hide (GtkWidget *widget,
166 static void gtk_tooltip_display_closed (GdkDisplay *display,
168 GtkTooltip *tooltip);
169 static void gtk_tooltip_set_last_window (GtkTooltip *tooltip,
173 G_DEFINE_TYPE (GtkTooltip, gtk_tooltip, G_TYPE_OBJECT);
176 gtk_tooltip_class_init (GtkTooltipClass *klass)
178 GObjectClass *object_class;
180 object_class = G_OBJECT_CLASS (klass);
182 object_class->dispose = gtk_tooltip_dispose;
186 gtk_tooltip_init (GtkTooltip *tooltip)
188 GtkStyleContext *context;
196 tooltip->timeout_id = 0;
197 tooltip->browse_mode_timeout_id = 0;
199 tooltip->browse_mode_enabled = FALSE;
200 tooltip->keyboard_mode_enabled = FALSE;
202 tooltip->current_window = NULL;
203 tooltip->keyboard_widget = NULL;
205 tooltip->tooltip_widget = NULL;
206 tooltip->toplevel_window = NULL;
208 tooltip->last_window = NULL;
210 window = g_object_ref (gtk_window_new (GTK_WINDOW_POPUP));
211 screen = gtk_widget_get_screen (window);
212 visual = gdk_screen_get_rgba_visual (screen);
215 gtk_widget_set_visual (window, visual);
217 gtk_window_set_type_hint (GTK_WINDOW (window), GDK_WINDOW_TYPE_HINT_TOOLTIP);
218 gtk_widget_set_app_paintable (window, TRUE);
219 gtk_window_set_resizable (GTK_WINDOW (window), FALSE);
220 gtk_widget_set_name (window, "gtk-tooltip");
221 g_signal_connect (window, "hide",
222 G_CALLBACK (gtk_tooltip_window_hide), tooltip);
224 context = gtk_widget_get_style_context (window);
225 gtk_style_context_add_class (context, GTK_STYLE_CLASS_TOOLTIP);
227 g_signal_connect_swapped (window, "draw",
228 G_CALLBACK (gtk_tooltip_paint_window), tooltip);
229 g_signal_connect_swapped (window, "realize",
230 G_CALLBACK (gtk_tooltip_realize_window), tooltip);
231 g_signal_connect_swapped (window, "composited-changed",
232 G_CALLBACK (gtk_tooltip_composited_changed), tooltip);
234 /* FIXME: don't hardcode the padding */
235 box = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 6);
236 gtk_widget_set_margin_left (box, 6);
237 gtk_widget_set_margin_right (box, 6);
238 gtk_widget_set_margin_top (box, 6);
239 gtk_widget_set_margin_bottom (box, 6);
240 gtk_container_add (GTK_CONTAINER (window), box);
241 gtk_widget_show (box);
243 image = gtk_image_new ();
244 gtk_box_pack_start (GTK_BOX (box), image, FALSE, FALSE, 0);
246 label = gtk_label_new ("");
247 gtk_label_set_line_wrap (GTK_LABEL (label), TRUE);
248 gtk_box_pack_start (GTK_BOX (box), label, FALSE, FALSE, 0);
250 tooltip->window = window;
252 tooltip->image = image;
253 tooltip->label = label;
254 tooltip->custom_widget = NULL;
258 gtk_tooltip_dispose (GObject *object)
260 GtkTooltip *tooltip = GTK_TOOLTIP (object);
262 if (tooltip->timeout_id)
264 g_source_remove (tooltip->timeout_id);
265 tooltip->timeout_id = 0;
268 if (tooltip->browse_mode_timeout_id)
270 g_source_remove (tooltip->browse_mode_timeout_id);
271 tooltip->browse_mode_timeout_id = 0;
274 gtk_tooltip_set_custom (tooltip, NULL);
275 gtk_tooltip_set_last_window (tooltip, NULL);
281 display = gtk_widget_get_display (tooltip->window);
282 g_signal_handlers_disconnect_by_func (display,
283 gtk_tooltip_display_closed,
285 gtk_widget_destroy (tooltip->window);
286 tooltip->window = NULL;
289 G_OBJECT_CLASS (gtk_tooltip_parent_class)->dispose (object);
295 * gtk_tooltip_set_markup:
296 * @tooltip: a #GtkTooltip
297 * @markup: (allow-none): a markup string (see <link linkend="PangoMarkupFormat">Pango markup format</link>) or %NULL
299 * Sets the text of the tooltip to be @markup, which is marked up
301 * linkend="PangoMarkupFormat">Pango text markup language</link>.
302 * If @markup is %NULL, the label will be hidden.
307 gtk_tooltip_set_markup (GtkTooltip *tooltip,
310 g_return_if_fail (GTK_IS_TOOLTIP (tooltip));
312 gtk_label_set_markup (GTK_LABEL (tooltip->label), markup);
315 gtk_widget_show (tooltip->label);
317 gtk_widget_hide (tooltip->label);
321 * gtk_tooltip_set_text:
322 * @tooltip: a #GtkTooltip
323 * @text: (allow-none): a text string or %NULL
325 * Sets the text of the tooltip to be @text. If @text is %NULL, the label
326 * will be hidden. See also gtk_tooltip_set_markup().
331 gtk_tooltip_set_text (GtkTooltip *tooltip,
334 g_return_if_fail (GTK_IS_TOOLTIP (tooltip));
336 gtk_label_set_text (GTK_LABEL (tooltip->label), text);
339 gtk_widget_show (tooltip->label);
341 gtk_widget_hide (tooltip->label);
345 * gtk_tooltip_set_icon:
346 * @tooltip: a #GtkTooltip
347 * @pixbuf: (allow-none): a #GdkPixbuf, or %NULL
349 * Sets the icon of the tooltip (which is in front of the text) to be
350 * @pixbuf. If @pixbuf is %NULL, the image will be hidden.
355 gtk_tooltip_set_icon (GtkTooltip *tooltip,
358 g_return_if_fail (GTK_IS_TOOLTIP (tooltip));
360 g_return_if_fail (GDK_IS_PIXBUF (pixbuf));
362 gtk_image_set_from_pixbuf (GTK_IMAGE (tooltip->image), pixbuf);
365 gtk_widget_show (tooltip->image);
367 gtk_widget_hide (tooltip->image);
371 * gtk_tooltip_set_icon_from_stock:
372 * @tooltip: a #GtkTooltip
373 * @stock_id: (allow-none): a stock id, or %NULL
374 * @size: (type int): a stock icon size
376 * Sets the icon of the tooltip (which is in front of the text) to be
377 * the stock item indicated by @stock_id with the size indicated
378 * by @size. If @stock_id is %NULL, the image will be hidden.
383 gtk_tooltip_set_icon_from_stock (GtkTooltip *tooltip,
384 const gchar *stock_id,
387 g_return_if_fail (GTK_IS_TOOLTIP (tooltip));
389 gtk_image_set_from_stock (GTK_IMAGE (tooltip->image), stock_id, size);
392 gtk_widget_show (tooltip->image);
394 gtk_widget_hide (tooltip->image);
398 * gtk_tooltip_set_icon_from_icon_name:
399 * @tooltip: a #GtkTooltip
400 * @icon_name: (allow-none): an icon name, or %NULL
401 * @size: (type int): a stock icon size
403 * Sets the icon of the tooltip (which is in front of the text) to be
404 * the icon indicated by @icon_name with the size indicated
405 * by @size. If @icon_name is %NULL, the image will be hidden.
410 gtk_tooltip_set_icon_from_icon_name (GtkTooltip *tooltip,
411 const gchar *icon_name,
414 g_return_if_fail (GTK_IS_TOOLTIP (tooltip));
416 gtk_image_set_from_icon_name (GTK_IMAGE (tooltip->image), icon_name, size);
419 gtk_widget_show (tooltip->image);
421 gtk_widget_hide (tooltip->image);
425 * gtk_tooltip_set_icon_from_gicon:
426 * @tooltip: a #GtkTooltip
427 * @gicon: (allow-none): a #GIcon representing the icon, or %NULL
428 * @size: (type int): a stock icon size
430 * Sets the icon of the tooltip (which is in front of the text)
431 * to be the icon indicated by @gicon with the size indicated
432 * by @size. If @gicon is %NULL, the image will be hidden.
437 gtk_tooltip_set_icon_from_gicon (GtkTooltip *tooltip,
441 g_return_if_fail (GTK_IS_TOOLTIP (tooltip));
443 gtk_image_set_from_gicon (GTK_IMAGE (tooltip->image), gicon, size);
446 gtk_widget_show (tooltip->image);
448 gtk_widget_hide (tooltip->image);
452 * gtk_tooltip_set_custom:
453 * @tooltip: a #GtkTooltip
454 * @custom_widget: (allow-none): a #GtkWidget, or %NULL to unset the old custom widget.
456 * Replaces the widget packed into the tooltip with
457 * @custom_widget. @custom_widget does not get destroyed when the tooltip goes
459 * By default a box with a #GtkImage and #GtkLabel is embedded in
460 * the tooltip, which can be configured using gtk_tooltip_set_markup()
461 * and gtk_tooltip_set_icon().
467 gtk_tooltip_set_custom (GtkTooltip *tooltip,
468 GtkWidget *custom_widget)
470 g_return_if_fail (GTK_IS_TOOLTIP (tooltip));
472 g_return_if_fail (GTK_IS_WIDGET (custom_widget));
474 /* The custom widget has been updated from the query-tooltip
475 * callback, so we do not want to reset the custom widget later on.
477 tooltip->custom_was_reset = TRUE;
479 /* No need to do anything if the custom widget stays the same */
480 if (tooltip->custom_widget == custom_widget)
483 if (tooltip->custom_widget)
485 GtkWidget *custom = tooltip->custom_widget;
486 /* Note: We must reset tooltip->custom_widget first,
487 * since gtk_container_remove() will recurse into
488 * gtk_tooltip_set_custom()
490 tooltip->custom_widget = NULL;
491 gtk_container_remove (GTK_CONTAINER (tooltip->box), custom);
492 g_object_unref (custom);
497 tooltip->custom_widget = g_object_ref (custom_widget);
499 gtk_container_add (GTK_CONTAINER (tooltip->box), custom_widget);
500 gtk_widget_show (custom_widget);
505 * gtk_tooltip_set_tip_area:
506 * @tooltip: a #GtkTooltip
507 * @rect: a #GdkRectangle
509 * Sets the area of the widget, where the contents of this tooltip apply,
510 * to be @rect (in widget coordinates). This is especially useful for
511 * properly setting tooltips on #GtkTreeView rows and cells, #GtkIconViews,
514 * For setting tooltips on #GtkTreeView, please refer to the convenience
515 * functions for this: gtk_tree_view_set_tooltip_row() and
516 * gtk_tree_view_set_tooltip_cell().
521 gtk_tooltip_set_tip_area (GtkTooltip *tooltip,
522 const GdkRectangle *rect)
524 g_return_if_fail (GTK_IS_TOOLTIP (tooltip));
527 tooltip->tip_area_set = FALSE;
530 tooltip->tip_area_set = TRUE;
531 tooltip->tip_area = *rect;
536 * gtk_tooltip_trigger_tooltip_query:
537 * @display: a #GdkDisplay
539 * Triggers a new tooltip query on @display, in order to update the current
540 * visible tooltip, or to show/hide the current tooltip. This function is
541 * useful to call when, for example, the state of the widget changed by a
547 gtk_tooltip_trigger_tooltip_query (GdkDisplay *display)
554 /* Trigger logic as if the mouse moved */
555 device = gdk_device_manager_get_client_pointer (gdk_display_get_device_manager (display));
556 window = gdk_device_get_window_at_position (device, &x, &y);
560 event.type = GDK_MOTION_NOTIFY;
561 event.motion.window = window;
564 event.motion.is_hint = FALSE;
566 gdk_window_get_root_coords (window, x, y, &x, &y);
567 event.motion.x_root = x;
568 event.motion.y_root = y;
570 _gtk_tooltip_handle_event (&event);
573 /* private functions */
576 gtk_tooltip_reset (GtkTooltip *tooltip)
578 gtk_tooltip_set_markup (tooltip, NULL);
579 gtk_tooltip_set_icon (tooltip, NULL);
580 gtk_tooltip_set_tip_area (tooltip, NULL);
582 /* See if the custom widget is again set from the query-tooltip
585 tooltip->custom_was_reset = FALSE;
589 paint_background_and_frame (GtkTooltip *tooltip,
592 GtkStyleContext *context;
595 width = gtk_widget_get_allocated_width (tooltip->window);
596 height = gtk_widget_get_allocated_height (tooltip->window);
597 context = gtk_widget_get_style_context (tooltip->window);
599 gtk_render_background (context, cr,
600 0, 0, width, height);
601 gtk_render_frame (context, cr,
602 0, 0, width, height);
606 maybe_update_shape (GtkTooltip *tooltip)
609 cairo_surface_t *surface;
610 cairo_region_t *region;
612 /* fallback to XShape only for non-composited clients */
613 if (gtk_widget_is_composited (tooltip->window))
615 gtk_widget_shape_combine_region (tooltip->window, NULL);
619 surface = gdk_window_create_similar_surface (gtk_widget_get_window (tooltip->window),
620 CAIRO_CONTENT_COLOR_ALPHA,
621 gtk_widget_get_allocated_width (tooltip->window),
622 gtk_widget_get_allocated_height (tooltip->window));
624 cr = cairo_create (surface);
625 paint_background_and_frame (tooltip, cr);
628 region = gdk_cairo_region_create_from_surface (surface);
629 gtk_widget_shape_combine_region (tooltip->window, region);
631 cairo_surface_destroy (surface);
632 cairo_region_destroy (region);
636 gtk_tooltip_composited_changed (GtkTooltip *tooltip,
639 if (gtk_widget_get_realized (tooltip->window))
640 maybe_update_shape (tooltip);
644 gtk_tooltip_realize_window (GtkTooltip *tooltip,
647 maybe_update_shape (tooltip);
651 gtk_tooltip_paint_window (GtkTooltip *tooltip,
654 if (gtk_widget_is_composited (tooltip->window))
656 /* clear any background */
658 cairo_set_source_rgba (cr, 0, 0, 0, 0);
659 cairo_set_operator (cr, CAIRO_OPERATOR_SOURCE);
664 maybe_update_shape (tooltip);
665 paint_background_and_frame (tooltip, cr);
671 gtk_tooltip_window_hide (GtkWidget *widget,
674 GtkTooltip *tooltip = GTK_TOOLTIP (user_data);
676 gtk_tooltip_set_custom (tooltip, NULL);
679 /* event handling, etc */
684 GtkWidget *container;
691 child_location_foreach (GtkWidget *child,
694 GtkAllocation child_allocation;
696 struct ChildLocation *child_loc = data;
698 /* Ignore invisible widgets */
699 if (!gtk_widget_is_drawable (child))
702 gtk_widget_get_allocation (child, &child_allocation);
707 /* (child_loc->x, child_loc->y) are relative to
708 * child_loc->container's allocation.
711 if (!child_loc->child &&
712 gtk_widget_translate_coordinates (child_loc->container, child,
713 child_loc->x, child_loc->y,
717 g_print ("candidate: %s alloc=[(%d,%d) %dx%d] (%d, %d)->(%d, %d)\n",
718 gtk_widget_get_name (child),
721 child_allocation.width,
722 child_allocation.height,
723 child_loc->x, child_loc->y,
725 #endif /* DEBUG_TOOLTIP */
727 /* (x, y) relative to child's allocation. */
728 if (x >= 0 && x < child_allocation.width
729 && y >= 0 && y < child_allocation.height)
731 if (GTK_IS_CONTAINER (child))
733 struct ChildLocation tmp = { NULL, NULL, 0, 0 };
735 /* Take (x, y) relative the child's allocation and
740 tmp.container = child;
742 gtk_container_forall (GTK_CONTAINER (child),
743 child_location_foreach, &tmp);
746 child_loc->child = tmp.child;
748 child_loc->child = child;
751 child_loc->child = child;
756 /* Translates coordinates from dest_widget->window relative (src_x, src_y),
757 * to allocation relative (dest_x, dest_y) of dest_widget.
760 window_to_alloc (GtkWidget *dest_widget,
766 GtkAllocation allocation;
768 gtk_widget_get_allocation (dest_widget, &allocation);
770 /* Translate from window relative to allocation relative */
771 if (gtk_widget_get_has_window (dest_widget) &&
772 gtk_widget_get_parent (dest_widget))
775 gdk_window_get_position (gtk_widget_get_window (dest_widget),
778 /* Offset coordinates if widget->window is smaller than
779 * widget->allocation.
781 src_x += wx - allocation.x;
782 src_y += wy - allocation.y;
786 src_x -= allocation.x;
787 src_y -= allocation.y;
796 /* Translates coordinates from window relative (x, y) to
797 * allocation relative (x, y) of the returned widget.
800 _gtk_widget_find_at_coords (GdkWindow *window,
806 GtkWidget *event_widget;
807 struct ChildLocation child_loc = { NULL, NULL, 0, 0 };
809 g_return_val_if_fail (GDK_IS_WINDOW (window), NULL);
811 gdk_window_get_user_data (window, (void **)&event_widget);
817 g_print ("event window %p (belonging to %p (%s)) (%d, %d)\n",
818 window, event_widget, gtk_widget_get_name (event_widget),
822 /* Coordinates are relative to event window */
823 child_loc.x = window_x;
824 child_loc.y = window_y;
826 /* We go down the window hierarchy to the widget->window,
827 * coordinates stay relative to the current window.
828 * We end up with window == widget->window, coordinates relative to that.
830 while (window && window != gtk_widget_get_window (event_widget))
834 gdk_window_coords_to_parent (window,
835 child_loc.x, child_loc.y,
840 window = gdk_window_get_effective_parent (window);
843 /* Failing to find widget->window can happen for e.g. a detached handle box;
844 * chaining ::query-tooltip up to its parent probably makes little sense,
845 * and users better implement tooltips on handle_box->child.
846 * so we simply ignore the event for tooltips here.
851 /* Convert the window relative coordinates to allocation
852 * relative coordinates.
854 window_to_alloc (event_widget,
855 child_loc.x, child_loc.y,
856 &child_loc.x, &child_loc.y);
858 if (GTK_IS_CONTAINER (event_widget))
860 GtkWidget *container = event_widget;
862 child_loc.container = event_widget;
863 child_loc.child = NULL;
865 gtk_container_forall (GTK_CONTAINER (event_widget),
866 child_location_foreach, &child_loc);
868 /* Here we have a widget, with coordinates relative to
869 * child_loc.container's allocation.
873 event_widget = child_loc.child;
874 else if (child_loc.container)
875 event_widget = child_loc.container;
877 /* Translate to event_widget's allocation */
878 gtk_widget_translate_coordinates (container, event_widget,
879 child_loc.x, child_loc.y,
880 &child_loc.x, &child_loc.y);
883 /* We return (x, y) relative to the allocation of event_widget. */
885 *widget_x = child_loc.x;
887 *widget_y = child_loc.y;
892 /* Ignores (x, y) on input, translates event coordinates to
893 * allocation relative (x, y) of the returned widget.
896 find_topmost_widget_coords_from_event (GdkEvent *event,
900 GtkAllocation allocation;
905 gdk_event_get_coords (event, &dx, &dy);
907 /* Returns coordinates relative to tmp's allocation. */
908 tmp = _gtk_widget_find_at_coords (event->any.window, dx, dy, &tx, &ty);
913 /* Make sure the pointer can actually be on the widget returned. */
914 gtk_widget_get_allocation (tmp, &allocation);
915 if (tx < 0 || tx >= allocation.width ||
916 ty < 0 || ty >= allocation.height)
928 tooltip_browse_mode_expired (gpointer data)
932 tooltip = GTK_TOOLTIP (data);
934 tooltip->browse_mode_enabled = FALSE;
935 tooltip->browse_mode_timeout_id = 0;
937 /* destroy tooltip */
938 g_object_set_data (G_OBJECT (gtk_widget_get_display (tooltip->window)),
939 "gdk-display-current-tooltip", NULL);
945 gtk_tooltip_display_closed (GdkDisplay *display,
949 g_object_set_data (G_OBJECT (display), "gdk-display-current-tooltip", NULL);
953 gtk_tooltip_set_last_window (GtkTooltip *tooltip,
956 if (tooltip->last_window == window)
959 if (tooltip->last_window)
960 g_object_remove_weak_pointer (G_OBJECT (tooltip->last_window),
961 (gpointer *) &tooltip->last_window);
963 tooltip->last_window = window;
966 g_object_add_weak_pointer (G_OBJECT (tooltip->last_window),
967 (gpointer *) &tooltip->last_window);
971 gtk_tooltip_run_requery (GtkWidget **widget,
976 gboolean has_tooltip = FALSE;
977 gboolean return_value = FALSE;
979 gtk_tooltip_reset (tooltip);
983 g_object_get (*widget,
984 "has-tooltip", &has_tooltip,
988 g_signal_emit_by_name (*widget,
991 tooltip->keyboard_mode_enabled,
997 GtkWidget *parent = gtk_widget_get_parent (*widget);
1000 gtk_widget_translate_coordinates (*widget, parent, *x, *y, x, y);
1009 /* If the custom widget was not reset in the query-tooltip
1010 * callback, we clear it here.
1012 if (!tooltip->custom_was_reset)
1013 gtk_tooltip_set_custom (tooltip, NULL);
1015 return return_value;
1019 get_bounding_box (GtkWidget *widget,
1020 GdkRectangle *bounds)
1022 GtkAllocation allocation;
1031 window = gtk_widget_get_parent_window (widget);
1033 window = gtk_widget_get_window (widget);
1035 gtk_widget_get_allocation (widget, &allocation);
1038 w = allocation.width;
1039 h = allocation.height;
1041 gdk_window_get_root_coords (window, x, y, &x1, &y1);
1042 gdk_window_get_root_coords (window, x + w, y, &x2, &y2);
1043 gdk_window_get_root_coords (window, x, y + h, &x3, &y3);
1044 gdk_window_get_root_coords (window, x + w, y + h, &x4, &y4);
1046 #define MIN4(a,b,c,d) MIN(MIN(a,b),MIN(c,d))
1047 #define MAX4(a,b,c,d) MAX(MAX(a,b),MAX(c,d))
1049 bounds->x = floor (MIN4 (x1, x2, x3, x4));
1050 bounds->y = floor (MIN4 (y1, y2, y3, y4));
1051 bounds->width = ceil (MAX4 (x1, x2, x3, x4)) - bounds->x;
1052 bounds->height = ceil (MAX4 (y1, y2, y3, y4)) - bounds->y;
1056 gtk_tooltip_position (GtkTooltip *tooltip,
1057 GdkDisplay *display,
1058 GtkWidget *new_tooltip_widget)
1060 gint x, y, width, height;
1063 GdkRectangle monitor;
1065 GdkRectangle bounds;
1067 #define MAX_DISTANCE 32
1069 gtk_widget_realize (GTK_WIDGET (tooltip->current_window));
1071 tooltip->tooltip_widget = new_tooltip_widget;
1073 screen = gtk_widget_get_screen (new_tooltip_widget);
1075 width = gtk_widget_get_allocated_width (GTK_WIDGET (tooltip->current_window));
1076 height = gtk_widget_get_allocated_height (GTK_WIDGET (tooltip->current_window));
1078 monitor_num = gdk_screen_get_monitor_at_point (screen,
1081 gdk_screen_get_monitor_geometry (screen, monitor_num, &monitor);
1083 get_bounding_box (new_tooltip_widget, &bounds);
1085 /* Position the tooltip */
1087 cursor_size = gdk_display_get_default_cursor_size (display);
1090 x = bounds.x + bounds.width / 2 - width / 2;
1091 y = bounds.y + bounds.height + 4;
1093 if (y + height <= monitor.y + monitor.height)
1095 if (tooltip->keyboard_mode_enabled)
1098 if (y <= tooltip->last_y + cursor_size + MAX_DISTANCE)
1100 if (tooltip->last_x + cursor_size + MAX_DISTANCE < x)
1101 x = tooltip->last_x + cursor_size + MAX_DISTANCE;
1102 else if (x + width < tooltip->last_x - MAX_DISTANCE)
1103 x = tooltip->last_x - MAX_DISTANCE - width;
1110 x = bounds.x + bounds.width / 2 - width / 2;
1111 y = bounds.y - height - 4;
1115 if (tooltip->keyboard_mode_enabled)
1118 if (y + height >= tooltip->last_y - MAX_DISTANCE)
1120 if (tooltip->last_x + cursor_size + MAX_DISTANCE < x)
1121 x = tooltip->last_x + cursor_size + MAX_DISTANCE;
1122 else if (x + width < tooltip->last_x - MAX_DISTANCE)
1123 x = tooltip->last_x - MAX_DISTANCE - width;
1129 /* Try right FIXME: flip on rtl ? */
1130 x = bounds.x + bounds.width + 4;
1131 y = bounds.y + bounds.height / 2 - height / 2;
1133 if (x + width <= monitor.x + monitor.width)
1135 if (tooltip->keyboard_mode_enabled)
1138 if (x <= tooltip->last_x + cursor_size + MAX_DISTANCE)
1140 if (tooltip->last_y + cursor_size + MAX_DISTANCE < y)
1141 y = tooltip->last_y + cursor_size + MAX_DISTANCE;
1142 else if (y + height < tooltip->last_y - MAX_DISTANCE)
1143 y = tooltip->last_y - MAX_DISTANCE - height;
1149 /* Try left FIXME: flip on rtl ? */
1150 x = bounds.x - width - 4;
1151 y = bounds.y + bounds.height / 2 - height / 2;
1155 if (tooltip->keyboard_mode_enabled)
1158 if (x + width >= tooltip->last_x - MAX_DISTANCE)
1160 if (tooltip->last_y + cursor_size + MAX_DISTANCE < y)
1161 y = tooltip->last_y + cursor_size + MAX_DISTANCE;
1162 else if (y + height < tooltip->last_y - MAX_DISTANCE)
1163 y = tooltip->last_y - MAX_DISTANCE - height;
1170 if (tooltip->keyboard_mode_enabled)
1172 x = bounds.x + bounds.width / 2 - width / 2;
1173 y = bounds.y + bounds.height + 4;
1178 x = tooltip->last_x + cursor_size * 3 / 4;
1179 y = tooltip->last_y + cursor_size * 3 / 4;
1184 if (tooltip->current_window)
1186 if (x + width > monitor.x + monitor.width)
1187 x -= x - (monitor.x + monitor.width) + width;
1188 else if (x < monitor.x)
1191 if (y + height > monitor.y + monitor.height)
1192 y -= y - (monitor.y + monitor.height) + height;
1193 else if (y < monitor.y)
1196 if (!tooltip->keyboard_mode_enabled)
1198 /* don't pop up under the pointer */
1199 if (x <= tooltip->last_x && tooltip->last_x < x + width &&
1200 y <= tooltip->last_y && tooltip->last_y < y + height)
1201 y = tooltip->last_y - height - 2;
1204 gtk_window_move (GTK_WINDOW (tooltip->current_window), x, y);
1205 gtk_widget_show (GTK_WIDGET (tooltip->current_window));
1210 gtk_tooltip_show_tooltip (GdkDisplay *display)
1216 GtkWidget *tooltip_widget;
1217 GtkTooltip *tooltip;
1218 gboolean has_tooltip;
1219 gboolean return_value = FALSE;
1221 tooltip = g_object_get_data (G_OBJECT (display),
1222 "gdk-display-current-tooltip");
1224 if (tooltip->keyboard_mode_enabled)
1227 tooltip_widget = tooltip->keyboard_widget;
1233 window = tooltip->last_window;
1235 if (!GDK_IS_WINDOW (window))
1238 gdk_window_get_pointer (window, &x, &y, NULL);
1240 gdk_window_get_root_coords (window, x, y, &tx, &ty);
1241 tooltip->last_x = tx;
1242 tooltip->last_y = ty;
1244 tooltip_widget = _gtk_widget_find_at_coords (window, x, y, &x, &y);
1247 if (!tooltip_widget)
1250 g_object_get (tooltip_widget, "has-tooltip", &has_tooltip, NULL);
1252 return_value = gtk_tooltip_run_requery (&tooltip_widget, tooltip, &x, &y);
1256 if (!tooltip->current_window)
1258 if (gtk_widget_get_tooltip_window (tooltip_widget))
1259 tooltip->current_window = gtk_widget_get_tooltip_window (tooltip_widget);
1261 tooltip->current_window = GTK_WINDOW (GTK_TOOLTIP (tooltip)->window);
1264 screen = gtk_widget_get_screen (tooltip_widget);
1266 /* FIXME: should use tooltip->current_window iso tooltip->window */
1267 if (screen != gtk_widget_get_screen (tooltip->window))
1269 g_signal_handlers_disconnect_by_func (display,
1270 gtk_tooltip_display_closed,
1273 gtk_window_set_screen (GTK_WINDOW (tooltip->window), screen);
1275 g_signal_connect (display, "closed",
1276 G_CALLBACK (gtk_tooltip_display_closed), tooltip);
1279 gtk_tooltip_position (tooltip, display, tooltip_widget);
1281 /* Now a tooltip is visible again on the display, make sure browse
1284 tooltip->browse_mode_enabled = TRUE;
1285 if (tooltip->browse_mode_timeout_id)
1287 g_source_remove (tooltip->browse_mode_timeout_id);
1288 tooltip->browse_mode_timeout_id = 0;
1293 gtk_tooltip_hide_tooltip (GtkTooltip *tooltip)
1298 if (tooltip->timeout_id)
1300 g_source_remove (tooltip->timeout_id);
1301 tooltip->timeout_id = 0;
1304 if (!GTK_TOOLTIP_VISIBLE (tooltip))
1307 tooltip->tooltip_widget = NULL;
1309 if (!tooltip->keyboard_mode_enabled)
1312 GtkSettings *settings;
1314 settings = gtk_widget_get_settings (GTK_WIDGET (tooltip->window));
1316 g_object_get (settings,
1317 "gtk-tooltip-browse-mode-timeout", &timeout,
1320 /* The tooltip is gone, after (by default, should be configurable) 500ms
1321 * we want to turn off browse mode
1323 if (!tooltip->browse_mode_timeout_id)
1324 tooltip->browse_mode_timeout_id =
1325 gdk_threads_add_timeout_full (0, timeout,
1326 tooltip_browse_mode_expired,
1327 g_object_ref (tooltip),
1332 if (tooltip->browse_mode_timeout_id)
1334 g_source_remove (tooltip->browse_mode_timeout_id);
1335 tooltip->browse_mode_timeout_id = 0;
1339 if (tooltip->current_window)
1341 gtk_widget_hide (GTK_WIDGET (tooltip->current_window));
1342 tooltip->current_window = NULL;
1347 tooltip_popup_timeout (gpointer data)
1349 GdkDisplay *display;
1350 GtkTooltip *tooltip;
1352 display = GDK_DISPLAY (data);
1353 tooltip = g_object_get_data (G_OBJECT (display),
1354 "gdk-display-current-tooltip");
1356 /* This usually does not happen. However, it does occur in language
1357 * bindings were reference counting of objects behaves differently.
1362 gtk_tooltip_show_tooltip (display);
1364 tooltip->timeout_id = 0;
1370 gtk_tooltip_start_delay (GdkDisplay *display)
1373 GtkTooltip *tooltip;
1374 GtkSettings *settings;
1376 tooltip = g_object_get_data (G_OBJECT (display),
1377 "gdk-display-current-tooltip");
1379 if (!tooltip || GTK_TOOLTIP_VISIBLE (tooltip))
1382 if (tooltip->timeout_id)
1383 g_source_remove (tooltip->timeout_id);
1385 settings = gtk_widget_get_settings (GTK_WIDGET (tooltip->window));
1387 if (tooltip->browse_mode_enabled)
1388 g_object_get (settings, "gtk-tooltip-browse-timeout", &timeout, NULL);
1390 g_object_get (settings, "gtk-tooltip-timeout", &timeout, NULL);
1392 tooltip->timeout_id = gdk_threads_add_timeout_full (0, timeout,
1393 tooltip_popup_timeout,
1394 g_object_ref (display),
1399 _gtk_tooltip_focus_in (GtkWidget *widget)
1402 gboolean return_value = FALSE;
1403 GdkDisplay *display;
1404 GtkTooltip *tooltip;
1407 /* Get current tooltip for this display */
1408 display = gtk_widget_get_display (widget);
1409 tooltip = g_object_get_data (G_OBJECT (display),
1410 "gdk-display-current-tooltip");
1412 /* Check if keyboard mode is enabled at this moment */
1413 if (!tooltip || !tooltip->keyboard_mode_enabled)
1416 device = gtk_get_current_event_device ();
1418 if (device && gdk_device_get_source (device) == GDK_SOURCE_KEYBOARD)
1419 device = gdk_device_get_associated_device (device);
1421 /* This function should be called by either a focus in event,
1422 * or a key binding. In either case there should be a device.
1427 if (tooltip->keyboard_widget)
1428 g_object_unref (tooltip->keyboard_widget);
1430 tooltip->keyboard_widget = g_object_ref (widget);
1432 gdk_window_get_device_position (gtk_widget_get_window (widget),
1433 device, &x, &y, NULL);
1435 return_value = gtk_tooltip_run_requery (&widget, tooltip, &x, &y);
1438 gtk_tooltip_hide_tooltip (tooltip);
1442 if (!tooltip->current_window)
1444 if (gtk_widget_get_tooltip_window (widget))
1445 tooltip->current_window = gtk_widget_get_tooltip_window (widget);
1447 tooltip->current_window = GTK_WINDOW (GTK_TOOLTIP (tooltip)->window);
1450 gtk_tooltip_show_tooltip (display);
1454 _gtk_tooltip_focus_out (GtkWidget *widget)
1456 GdkDisplay *display;
1457 GtkTooltip *tooltip;
1459 /* Get current tooltip for this display */
1460 display = gtk_widget_get_display (widget);
1461 tooltip = g_object_get_data (G_OBJECT (display),
1462 "gdk-display-current-tooltip");
1464 if (!tooltip || !tooltip->keyboard_mode_enabled)
1467 if (tooltip->keyboard_widget)
1469 g_object_unref (tooltip->keyboard_widget);
1470 tooltip->keyboard_widget = NULL;
1473 gtk_tooltip_hide_tooltip (tooltip);
1477 _gtk_tooltip_toggle_keyboard_mode (GtkWidget *widget)
1479 GdkDisplay *display;
1480 GtkTooltip *tooltip;
1482 display = gtk_widget_get_display (widget);
1483 tooltip = g_object_get_data (G_OBJECT (display),
1484 "gdk-display-current-tooltip");
1488 tooltip = g_object_new (GTK_TYPE_TOOLTIP, NULL);
1489 g_object_set_data_full (G_OBJECT (display),
1490 "gdk-display-current-tooltip",
1491 tooltip, g_object_unref);
1492 g_signal_connect (display, "closed",
1493 G_CALLBACK (gtk_tooltip_display_closed),
1497 tooltip->keyboard_mode_enabled ^= 1;
1499 if (tooltip->keyboard_mode_enabled)
1501 tooltip->keyboard_widget = g_object_ref (widget);
1502 _gtk_tooltip_focus_in (widget);
1506 if (tooltip->keyboard_widget)
1508 g_object_unref (tooltip->keyboard_widget);
1509 tooltip->keyboard_widget = NULL;
1512 gtk_tooltip_hide_tooltip (tooltip);
1517 _gtk_tooltip_hide (GtkWidget *widget)
1519 GtkWidget *toplevel;
1520 GdkDisplay *display;
1521 GtkTooltip *tooltip;
1523 display = gtk_widget_get_display (widget);
1524 tooltip = g_object_get_data (G_OBJECT (display),
1525 "gdk-display-current-tooltip");
1527 if (!tooltip || !GTK_TOOLTIP_VISIBLE (tooltip) || !tooltip->tooltip_widget)
1530 toplevel = gtk_widget_get_toplevel (widget);
1532 if (widget == tooltip->tooltip_widget
1533 || gtk_widget_get_window (toplevel) == tooltip->toplevel_window)
1534 gtk_tooltip_hide_tooltip (tooltip);
1538 tooltips_enabled (GdkWindow *window)
1541 gboolean touchscreen;
1543 GtkSettings *settings;
1545 screen = gdk_window_get_screen (window);
1546 settings = gtk_settings_get_for_screen (screen);
1548 g_object_get (settings,
1549 "gtk-touchscreen-mode", &touchscreen,
1550 "gtk-enable-tooltips", &enabled,
1553 return (!touchscreen && enabled);
1557 _gtk_tooltip_handle_event (GdkEvent *event)
1560 gboolean return_value = FALSE;
1561 GtkWidget *has_tooltip_widget = NULL;
1562 GdkDisplay *display;
1563 GtkTooltip *current_tooltip;
1565 if (!tooltips_enabled (event->any.window))
1568 /* Returns coordinates relative to has_tooltip_widget's allocation. */
1569 has_tooltip_widget = find_topmost_widget_coords_from_event (event, &x, &y);
1570 display = gdk_window_get_display (event->any.window);
1571 current_tooltip = g_object_get_data (G_OBJECT (display),
1572 "gdk-display-current-tooltip");
1574 if (current_tooltip)
1576 gtk_tooltip_set_last_window (current_tooltip, event->any.window);
1579 if (current_tooltip && current_tooltip->keyboard_mode_enabled)
1581 has_tooltip_widget = current_tooltip->keyboard_widget;
1582 if (!has_tooltip_widget)
1585 return_value = gtk_tooltip_run_requery (&has_tooltip_widget,
1590 gtk_tooltip_hide_tooltip (current_tooltip);
1592 gtk_tooltip_start_delay (display);
1597 #ifdef DEBUG_TOOLTIP
1598 if (has_tooltip_widget)
1599 g_print ("%p (%s) at (%d, %d) %dx%d pointer: (%d, %d)\n",
1600 has_tooltip_widget, gtk_widget_get_name (has_tooltip_widget),
1601 has_tooltip_widget->allocation.x,
1602 has_tooltip_widget->allocation.y,
1603 has_tooltip_widget->allocation.width,
1604 has_tooltip_widget->allocation.height,
1606 #endif /* DEBUG_TOOLTIP */
1608 /* Always poll for a next motion event */
1609 gdk_event_request_motions (&event->motion);
1611 /* Hide the tooltip when there's no new tooltip widget */
1612 if (!has_tooltip_widget)
1614 if (current_tooltip)
1615 gtk_tooltip_hide_tooltip (current_tooltip);
1620 switch (event->type)
1622 case GDK_BUTTON_PRESS:
1623 case GDK_2BUTTON_PRESS:
1624 case GDK_3BUTTON_PRESS:
1626 case GDK_DRAG_ENTER:
1627 case GDK_GRAB_BROKEN:
1629 gtk_tooltip_hide_tooltip (current_tooltip);
1632 case GDK_MOTION_NOTIFY:
1633 case GDK_ENTER_NOTIFY:
1634 case GDK_LEAVE_NOTIFY:
1635 if (current_tooltip)
1637 gboolean tip_area_set;
1638 GdkRectangle tip_area;
1639 gboolean hide_tooltip;
1641 tip_area_set = current_tooltip->tip_area_set;
1642 tip_area = current_tooltip->tip_area;
1644 return_value = gtk_tooltip_run_requery (&has_tooltip_widget,
1648 /* Requested to be hidden? */
1649 hide_tooltip = !return_value;
1651 /* Leave notify should override the query function */
1652 hide_tooltip = (event->type == GDK_LEAVE_NOTIFY);
1654 /* Is the pointer above another widget now? */
1655 if (GTK_TOOLTIP_VISIBLE (current_tooltip))
1656 hide_tooltip |= has_tooltip_widget != current_tooltip->tooltip_widget;
1658 /* Did the pointer move out of the previous "context area"? */
1660 hide_tooltip |= (x <= tip_area.x
1661 || x >= tip_area.x + tip_area.width
1663 || y >= tip_area.y + tip_area.height);
1666 gtk_tooltip_hide_tooltip (current_tooltip);
1668 gtk_tooltip_start_delay (display);
1672 /* Need a new tooltip for this display */
1673 current_tooltip = g_object_new (GTK_TYPE_TOOLTIP, NULL);
1674 g_object_set_data_full (G_OBJECT (display),
1675 "gdk-display-current-tooltip",
1676 current_tooltip, g_object_unref);
1677 g_signal_connect (display, "closed",
1678 G_CALLBACK (gtk_tooltip_display_closed),
1681 gtk_tooltip_set_last_window (current_tooltip, event->any.window);
1683 gtk_tooltip_start_delay (display);