forked from AuroraMiddleware/gtk
05e752e096
The code gets rid of the GtkTreeView and replaces it with a GtkListBox. Most of the logic is now done via GListModel subclasses. A big change is that this new list is now tracking updates itself and doesn't need to be manually updated. All code that used to cause rescans or add forgotten objects to the tree has been removed. If objects are missing from the object tree, the logic for tracking them needs to be added.
427 lines
11 KiB
C
427 lines
11 KiB
C
/*
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* Copyright (c) 2008-2009 Christian Hammond
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* Copyright (c) 2008-2009 David Trowbridge
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included
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* in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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#include "config.h"
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#include <glib/gi18n-lib.h>
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#include "window.h"
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#include "highlightoverlay.h"
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#include "object-tree.h"
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#include "gtkstack.h"
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#include "gtkmain.h"
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#include "gtkinvisible.h"
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#include "gtkwidgetprivate.h"
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#include "gtkgesturemultipress.h"
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#include "gtkeventcontrollermotion.h"
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#include "gtkeventcontrollerkey.h"
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static gboolean
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inspector_contains (GtkWidget *widget,
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double x,
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double y)
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{
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g_return_val_if_fail (GTK_IS_WIDGET (widget), FALSE);
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if (!gtk_widget_is_drawable (widget))
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return FALSE;
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return GTK_WIDGET_GET_CLASS (widget)->contains (widget, x, y);
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}
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static GtkWidget *
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inspector_pick (GtkWidget *widget,
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double x,
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double y)
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{
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/* Like gtk_widget_pick and gtk_widget_contains,
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* but we need to consider insensitive widgets as well. */
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GtkWidget *child;
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for (child = _gtk_widget_get_last_child (widget);
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child;
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child = _gtk_widget_get_prev_sibling (child))
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{
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GtkWidget *picked;
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int dx, dy;
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gtk_widget_get_origin_relative_to_parent (child, &dx, &dy);
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picked = GTK_WIDGET_GET_CLASS (child)->pick (child, x - dx, y - dy);
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if (picked)
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return picked;
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}
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if (!inspector_contains (widget, x, y))
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return NULL;
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return widget;
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}
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static GtkWidget *
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find_widget_at_pointer (GdkDevice *device)
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{
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GtkWidget *widget = NULL;
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GdkSurface *pointer_surface;
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pointer_surface = gdk_device_get_surface_at_position (device, NULL, NULL);
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if (pointer_surface)
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{
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gpointer widget_ptr;
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gdk_surface_get_user_data (pointer_surface, &widget_ptr);
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widget = widget_ptr;
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if (!GTK_IS_WINDOW (widget))
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{
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while (TRUE)
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{
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GdkSurface *parent = gdk_surface_get_parent (pointer_surface);
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if (!parent)
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break;
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pointer_surface = parent;
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gdk_surface_get_user_data (pointer_surface, &widget_ptr);
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widget = widget_ptr;
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if (GTK_IS_WINDOW (widget))
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break;
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}
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}
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}
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if (widget)
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{
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double x, y;
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gdk_surface_get_device_position_double (gtk_widget_get_surface (widget),
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device, &x, &y, NULL);
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widget = inspector_pick (widget, x, y);
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}
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return widget;
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}
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static void
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clear_flash (GtkInspectorWindow *iw)
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{
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if (iw->flash_overlay)
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{
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gtk_inspector_window_remove_overlay (iw, iw->flash_overlay);
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g_clear_object (&iw->flash_overlay);
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}
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}
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static void
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start_flash (GtkInspectorWindow *iw,
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GtkWidget *widget)
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{
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clear_flash (iw);
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iw->flash_count = 1;
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iw->flash_overlay = gtk_highlight_overlay_new (widget);
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gtk_inspector_window_add_overlay (iw, iw->flash_overlay);
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}
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static void
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select_widget (GtkInspectorWindow *iw,
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GtkWidget *widget)
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{
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GtkInspectorObjectTree *wt = GTK_INSPECTOR_OBJECT_TREE (iw->object_tree);
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iw->selected_widget = widget;
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gtk_inspector_object_tree_select_object (wt, G_OBJECT (widget));
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}
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static void
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on_inspect_widget (GtkWidget *button,
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GdkEvent *event,
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GtkInspectorWindow *iw)
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{
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GtkWidget *widget;
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gdk_surface_raise (gtk_widget_get_surface (GTK_WIDGET (iw)));
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clear_flash (iw);
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widget = find_widget_at_pointer (gdk_event_get_device (event));
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if (widget)
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select_widget (iw, widget);
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}
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static void
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on_highlight_widget (GtkWidget *button,
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GdkEvent *event,
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GtkInspectorWindow *iw)
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{
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GtkWidget *widget;
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widget = find_widget_at_pointer (gdk_event_get_device (event));
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if (widget == NULL)
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{
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/* This window isn't in-process. Ignore it. */
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return;
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}
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if (gtk_widget_get_toplevel (widget) == GTK_WIDGET (iw))
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{
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/* Don't hilight things in the inspector window */
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return;
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}
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if (iw->flash_overlay &&
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gtk_highlight_overlay_get_widget (GTK_HIGHLIGHT_OVERLAY (iw->flash_overlay)) == widget)
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{
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/* Already selected */
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return;
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}
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clear_flash (iw);
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start_flash (iw, widget);
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}
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static void
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deemphasize_window (GtkWidget *window)
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{
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GdkDisplay *display;
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display = gtk_widget_get_display (window);
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if (gdk_display_is_composited (display))
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{
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cairo_rectangle_int_t rect;
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cairo_region_t *region;
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gtk_widget_set_opacity (window, 0.3);
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rect.x = rect.y = rect.width = rect.height = 0;
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region = cairo_region_create_rectangle (&rect);
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gtk_widget_input_shape_combine_region (window, region);
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cairo_region_destroy (region);
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}
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else
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gdk_surface_lower (gtk_widget_get_surface (window));
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}
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static void
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reemphasize_window (GtkWidget *window)
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{
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GdkDisplay *display;
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display = gtk_widget_get_display (window);
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if (gdk_display_is_composited (display))
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{
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gtk_widget_set_opacity (window, 1.0);
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gtk_widget_input_shape_combine_region (window, NULL);
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}
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else
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gdk_surface_raise (gtk_widget_get_surface (window));
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}
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static void
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property_query_pressed (GtkGestureMultiPress *gesture,
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guint n_press,
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gdouble x,
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gdouble y,
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GtkInspectorWindow *iw)
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{
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GdkEvent *event;
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gtk_grab_remove (iw->invisible);
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if (iw->grab_seat)
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{
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gdk_seat_ungrab (iw->grab_seat);
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iw->grab_seat = NULL;
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}
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reemphasize_window (GTK_WIDGET (iw));
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event = gtk_get_current_event ();
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on_inspect_widget (iw->invisible, event, iw);
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g_object_unref (event);
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gtk_widget_destroy (iw->invisible);
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iw->invisible = NULL;
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}
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static void
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property_query_motion (GtkEventControllerMotion *controller,
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gdouble x,
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gdouble y,
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GtkInspectorWindow *iw)
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{
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GdkEvent *event;
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event = gtk_get_current_event ();
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on_highlight_widget (iw->invisible, event, iw);
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g_object_unref (event);
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}
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static gboolean
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property_query_key (GtkEventControllerKey *key,
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guint keyval,
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guint keycode,
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GdkModifierType modifiers,
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GtkInspectorWindow *iw)
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{
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if (keyval == GDK_KEY_Escape)
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{
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gtk_grab_remove (iw->invisible);
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if (iw->grab_seat)
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{
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gdk_seat_ungrab (iw->grab_seat);
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iw->grab_seat = NULL;
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}
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reemphasize_window (GTK_WIDGET (iw));
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clear_flash (iw);
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gtk_widget_destroy (iw->invisible);
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iw->invisible = NULL;
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return TRUE;
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}
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return FALSE;
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}
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static void
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prepare_inspect_func (GdkSeat *seat,
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GdkSurface *surface,
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gpointer user_data)
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{
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gdk_surface_show (surface);
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}
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void
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gtk_inspector_on_inspect (GtkWidget *button,
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GtkInspectorWindow *iw)
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{
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GdkDisplay *display;
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GdkCursor *cursor;
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GdkGrabStatus status;
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GtkEventController *controller;
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GdkSeat *seat;
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if (!iw->invisible)
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{
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iw->invisible = gtk_invisible_new_for_display (gdk_display_get_default ());
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gtk_widget_realize (iw->invisible);
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gtk_widget_show (iw->invisible);
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}
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display = gdk_display_get_default ();
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cursor = gdk_cursor_new_from_name ("crosshair", NULL);
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seat = gdk_display_get_default_seat (display);
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status = gdk_seat_grab (seat,
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gtk_widget_get_surface (iw->invisible),
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GDK_SEAT_CAPABILITY_ALL_POINTING, TRUE,
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cursor, NULL, prepare_inspect_func, NULL);
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g_object_unref (cursor);
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if (status == GDK_GRAB_SUCCESS)
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iw->grab_seat = seat;
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controller = GTK_EVENT_CONTROLLER (gtk_gesture_multi_press_new ());
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g_signal_connect (controller, "pressed",
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G_CALLBACK (property_query_pressed), iw);
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gtk_widget_add_controller (iw->invisible, controller);
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controller = gtk_event_controller_motion_new ();
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g_signal_connect (controller, "motion",
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G_CALLBACK (property_query_motion), iw);
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gtk_widget_add_controller (iw->invisible, controller);
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controller = GTK_EVENT_CONTROLLER (gtk_event_controller_key_new ());
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g_signal_connect (controller, "key-pressed",
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G_CALLBACK (property_query_key), iw);
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gtk_widget_add_controller (iw->invisible, controller);
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gtk_grab_add (GTK_WIDGET (iw->invisible));
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deemphasize_window (GTK_WIDGET (iw));
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}
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static gboolean
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on_flash_timeout (GtkInspectorWindow *iw)
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{
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iw->flash_count++;
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gtk_highlight_overlay_set_color (GTK_HIGHLIGHT_OVERLAY (iw->flash_overlay),
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&(GdkRGBA) {
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0.0, 0.0, 1.0,
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(iw && iw->flash_count % 2 == 0) ? 0.0 : 0.2
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});
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if (iw->flash_count == 6)
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{
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clear_flash (iw);
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iw->flash_cnx = 0;
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return G_SOURCE_REMOVE;
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}
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return G_SOURCE_CONTINUE;
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}
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void
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gtk_inspector_flash_widget (GtkInspectorWindow *iw,
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GtkWidget *widget)
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{
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if (!gtk_widget_get_visible (widget) || !gtk_widget_get_mapped (widget))
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return;
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if (iw->flash_cnx != 0)
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{
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g_source_remove (iw->flash_cnx);
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iw->flash_cnx = 0;
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}
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start_flash (iw, widget);
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iw->flash_cnx = g_timeout_add (150, (GSourceFunc) on_flash_timeout, iw);
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}
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void
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gtk_inspector_window_select_widget_under_pointer (GtkInspectorWindow *iw)
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{
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GdkDisplay *display;
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GdkDevice *device;
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GtkWidget *widget;
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display = gdk_display_get_default ();
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device = gdk_seat_get_pointer (gdk_display_get_default_seat (display));
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widget = find_widget_at_pointer (device);
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if (widget)
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select_widget (iw, widget);
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}
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/* vim: set et sw=2 ts=2: */
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