ecb38bc824
While GtkEventController implementations today are all GtkGesture, it is possible to create a GtkEventController manually. This is an extrac check to ensure we only add gestures to the list. https://bugzilla.gnome.org/show_bug.cgi?id=774760
277 lines
8.0 KiB
C
277 lines
8.0 KiB
C
/*
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* Copyright (c) 2014 Red Hat, Inc.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library. If not, see <http://www.gnu.org/licenses/>.
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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 "gestures.h"
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#include "object-tree.h"
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#include "gtksizegroup.h"
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#include "gtkcomboboxtext.h"
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#include "gtklistbox.h"
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#include "gtkgesture.h"
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#include "gtklabel.h"
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#include "gtkframe.h"
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#include "gtkwidgetprivate.h"
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enum
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{
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PROP_0,
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PROP_OBJECT_TREE
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};
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struct _GtkInspectorGesturesPrivate
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{
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GtkSizeGroup *sizegroup;
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GObject *object;
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GtkInspectorObjectTree *object_tree;
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};
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G_DEFINE_TYPE_WITH_PRIVATE (GtkInspectorGestures, gtk_inspector_gestures, GTK_TYPE_BOX)
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static void
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gtk_inspector_gestures_init (GtkInspectorGestures *sl)
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{
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sl->priv = gtk_inspector_gestures_get_instance_private (sl);
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sl->priv->sizegroup = gtk_size_group_new (GTK_SIZE_GROUP_HORIZONTAL);
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g_object_set (sl,
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"orientation", GTK_ORIENTATION_VERTICAL,
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"margin-start", 60,
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"margin-end", 60,
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"margin-top", 60,
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"margin-bottom", 30,
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"spacing", 10,
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NULL);
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}
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static void
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clear_all (GtkInspectorGestures *sl)
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{
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GList *children, *l;
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GtkWidget *child;
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children = gtk_container_get_children (GTK_CONTAINER (sl));
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for (l = children; l; l = l->next)
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{
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child = l->data;
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gtk_container_remove (GTK_CONTAINER (sl), child);
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}
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g_list_free (children);
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}
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static void
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phase_changed_cb (GtkComboBox *combo, GtkInspectorGestures *sl)
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{
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GtkWidget *row;
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GtkPropagationPhase phase;
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GtkGesture *gesture;
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phase = gtk_combo_box_get_active (combo);
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row = gtk_widget_get_ancestor (GTK_WIDGET (combo), GTK_TYPE_LIST_BOX_ROW);
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gesture = GTK_GESTURE (g_object_get_data (G_OBJECT (row), "gesture"));
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gtk_event_controller_set_propagation_phase (GTK_EVENT_CONTROLLER (gesture), phase);
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}
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static void
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row_activated (GtkListBox *box,
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GtkListBoxRow *row,
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GtkInspectorGestures *sl)
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{
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GObject *gesture;
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gesture = G_OBJECT (g_object_get_data (G_OBJECT (row), "gesture"));
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gtk_inspector_object_tree_select_object (sl->priv->object_tree, gesture);
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}
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static void
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add_gesture (GtkInspectorGestures *sl,
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GObject *object,
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GtkWidget *listbox,
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GtkGesture *gesture,
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GtkPropagationPhase phase)
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{
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GtkWidget *row;
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GtkWidget *box;
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GtkWidget *label;
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GtkWidget *combo;
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row = gtk_list_box_row_new ();
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gtk_container_add (GTK_CONTAINER (listbox), row);
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gtk_widget_show (row);
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box = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 40);
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gtk_container_add (GTK_CONTAINER (row), box);
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g_object_set (box, "margin", 10, NULL);
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gtk_widget_show (box);
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label = gtk_label_new (g_type_name_from_instance ((GTypeInstance*)gesture));
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g_object_set (label, "xalign", 0.0, NULL);
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gtk_container_add (GTK_CONTAINER (box), label);
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gtk_size_group_add_widget (sl->priv->sizegroup, label);
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gtk_widget_show (label);
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gtk_widget_set_halign (label, GTK_ALIGN_START);
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gtk_widget_set_valign (label, GTK_ALIGN_BASELINE);
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combo = gtk_combo_box_text_new ();
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gtk_combo_box_text_insert_text (GTK_COMBO_BOX_TEXT (combo), GTK_PHASE_NONE, C_("event phase", "None"));
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gtk_combo_box_text_insert_text (GTK_COMBO_BOX_TEXT (combo), GTK_PHASE_CAPTURE, C_("event phase", "Capture"));
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gtk_combo_box_text_insert_text (GTK_COMBO_BOX_TEXT (combo), GTK_PHASE_BUBBLE, C_("event phase", "Bubble"));
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gtk_combo_box_text_insert_text (GTK_COMBO_BOX_TEXT (combo), GTK_PHASE_TARGET, C_("event phase", "Target"));
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gtk_combo_box_set_active (GTK_COMBO_BOX (combo), phase);
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gtk_container_add (GTK_CONTAINER (box), combo);
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gtk_widget_show (combo);
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gtk_widget_set_halign (label, GTK_ALIGN_END);
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gtk_widget_set_valign (label, GTK_ALIGN_BASELINE);
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g_object_set_data (G_OBJECT (row), "gesture", gesture);
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g_signal_connect (combo, "changed", G_CALLBACK (phase_changed_cb), sl);
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}
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static void
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add_gesture_group (GtkInspectorGestures *sl,
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GObject *object,
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GtkGesture *gesture,
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GHashTable *hash)
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{
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GtkWidget *frame;
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GtkWidget *listbox;
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GList *list, *l;
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GtkGesture *g;
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GtkPropagationPhase phase;
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frame = gtk_frame_new (NULL);
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gtk_widget_show (frame);
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gtk_widget_set_halign (frame, GTK_ALIGN_CENTER);
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listbox = gtk_list_box_new ();
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g_signal_connect (listbox, "row-activated", G_CALLBACK (row_activated), sl);
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gtk_container_add (GTK_CONTAINER (frame), listbox);
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gtk_widget_show (listbox);
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gtk_list_box_set_selection_mode (GTK_LIST_BOX (listbox), GTK_SELECTION_NONE);
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list = gtk_gesture_get_group (gesture);
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for (l = list; l; l = l->next)
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{
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g = l->data;
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phase = GPOINTER_TO_INT (g_hash_table_lookup (hash, g));
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add_gesture (sl, object, listbox, g, phase);
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g_hash_table_remove (hash, g);
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}
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g_list_free (list);
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gtk_container_add (GTK_CONTAINER (sl), frame);
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}
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void
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gtk_inspector_gestures_set_object (GtkInspectorGestures *sl,
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GObject *object)
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{
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GHashTable *hash;
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GHashTableIter iter;
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GList *list, *l;
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gint phase;
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clear_all (sl);
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gtk_widget_hide (GTK_WIDGET (sl));
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if (!GTK_IS_WIDGET (object))
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return;
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hash = g_hash_table_new (g_direct_hash, g_direct_equal);
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for (phase = GTK_PHASE_NONE; phase <= GTK_PHASE_TARGET; phase++)
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{
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list = _gtk_widget_list_controllers (GTK_WIDGET (object), phase);
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for (l = list; l; l = l->next)
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{
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GtkEventController *controller = l->data;
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if (GTK_IS_GESTURE (controller))
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g_hash_table_insert (hash, controller, GINT_TO_POINTER (phase));
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}
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g_list_free (list);
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}
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if (g_hash_table_size (hash))
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gtk_widget_show (GTK_WIDGET (sl));
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while (g_hash_table_size (hash) > 0)
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{
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gpointer key, value;
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GtkGesture *gesture;
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g_hash_table_iter_init (&iter, hash);
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(void)g_hash_table_iter_next (&iter, &key, &value);
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gesture = key;
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add_gesture_group (sl, object, gesture, hash);
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}
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g_hash_table_unref (hash);
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}
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static void
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get_property (GObject *object,
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guint param_id,
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GValue *value,
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GParamSpec *pspec)
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{
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GtkInspectorGestures *sl = GTK_INSPECTOR_GESTURES (object);
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switch (param_id)
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{
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case PROP_OBJECT_TREE:
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g_value_take_object (value, sl->priv->object_tree);
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break;
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, param_id, pspec);
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break;
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}
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}
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static void
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set_property (GObject *object,
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guint param_id,
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const GValue *value,
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GParamSpec *pspec)
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{
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GtkInspectorGestures *sl = GTK_INSPECTOR_GESTURES (object);
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switch (param_id)
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{
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case PROP_OBJECT_TREE:
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sl->priv->object_tree = g_value_get_object (value);
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break;
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, param_id, pspec);
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break;
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}
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}
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static void
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gtk_inspector_gestures_class_init (GtkInspectorGesturesClass *klass)
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{
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GObjectClass *object_class = G_OBJECT_CLASS (klass);
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object_class->get_property = get_property;
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object_class->set_property = set_property;
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g_object_class_install_property (object_class, PROP_OBJECT_TREE,
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g_param_spec_object ("object-tree", "Widget Tree", "Widget tree",
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GTK_TYPE_WIDGET, G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY));
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}
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// vim: set et sw=2 ts=2:
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