gtk2/gtk/inspector/controllers.c
Matthias Clasen 2a24b8c653 Replace most remaining uses of container api
These are all on GtkBox or enumerating children.
2020-05-11 22:38:21 -04:00

309 lines
9.4 KiB
C

/*
* Copyright (c) 2014 Red Hat, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library. If not, see <http://www.gnu.org/licenses/>.
*/
#include "config.h"
#include <glib/gi18n-lib.h>
#include "controllers.h"
#include "object-tree.h"
#include "gtksizegroup.h"
#include "gtkcomboboxtext.h"
#include "gtkflattenlistmodel.h"
#include "gtkframe.h"
#include "gtkgesture.h"
#include "gtklabel.h"
#include "gtklistbox.h"
#include "gtkmaplistmodel.h"
#include "gtkpropertylookuplistmodelprivate.h"
#include "gtkscrolledwindow.h"
#include "gtksortlistmodel.h"
#include "gtkwidgetprivate.h"
#include "gtkstack.h"
#include "gtkstylecontext.h"
enum
{
PROP_0,
PROP_OBJECT_TREE
};
struct _GtkInspectorControllersPrivate
{
GtkWidget *listbox;
GtkPropertyLookupListModel *model;
GtkSizeGroup *sizegroup;
GtkInspectorObjectTree *object_tree;
};
G_DEFINE_TYPE_WITH_PRIVATE (GtkInspectorControllers, gtk_inspector_controllers, GTK_TYPE_BOX)
static void
row_activated (GtkListBox *box,
GtkListBoxRow *row,
GtkInspectorControllers *sl)
{
GObject *controller;
controller = G_OBJECT (g_object_get_data (G_OBJECT (row), "controller"));
gtk_inspector_object_tree_select_object (sl->priv->object_tree, controller);
}
static void
gtk_inspector_controllers_init (GtkInspectorControllers *sl)
{
GtkWidget *sw, *box;
sl->priv = gtk_inspector_controllers_get_instance_private (sl);
sl->priv->sizegroup = gtk_size_group_new (GTK_SIZE_GROUP_HORIZONTAL);
sw = gtk_scrolled_window_new (NULL, NULL);
box = gtk_box_new (GTK_ORIENTATION_VERTICAL, 10);
g_object_set (box,
"margin-start", 60,
"margin-end", 60,
"margin-top", 60,
"margin-bottom", 30,
NULL);
gtk_scrolled_window_set_child (GTK_SCROLLED_WINDOW (sw), box);
gtk_widget_set_hexpand (box, TRUE);
gtk_widget_set_vexpand (box, TRUE);
sl->priv->listbox = gtk_list_box_new ();
gtk_widget_add_css_class (sl->priv->listbox, "frame");
gtk_widget_set_halign (sl->priv->listbox, GTK_ALIGN_CENTER);
g_signal_connect (sl->priv->listbox, "row-activated", G_CALLBACK (row_activated), sl);
gtk_list_box_set_selection_mode (GTK_LIST_BOX (sl->priv->listbox), GTK_SELECTION_NONE);
gtk_box_append (GTK_BOX (box), sl->priv->listbox);
gtk_box_append (GTK_BOX (sl), sw);
}
static void
phase_changed_cb (GtkComboBox *combo,
GtkInspectorControllers *sl)
{
GtkWidget *row;
GtkPropagationPhase phase;
GtkEventController *controller;
phase = gtk_combo_box_get_active (combo);
row = gtk_widget_get_ancestor (GTK_WIDGET (combo), GTK_TYPE_LIST_BOX_ROW);
controller = GTK_EVENT_CONTROLLER (g_object_get_data (G_OBJECT (row), "controller"));
gtk_event_controller_set_propagation_phase (controller, phase);
}
static GtkWidget *
create_controller_widget (gpointer item,
gpointer user_data)
{
GtkEventController *controller = item;
GtkInspectorControllers *sl = user_data;
GtkWidget *row;
GtkWidget *box;
GtkWidget *label;
GtkWidget *combo;
row = gtk_list_box_row_new ();
gtk_list_box_row_set_activatable (GTK_LIST_BOX_ROW (row), FALSE);
box = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 40);
gtk_list_box_row_set_child (GTK_LIST_BOX_ROW (row), box);
gtk_widget_set_margin_start (box, 10);
gtk_widget_set_margin_end (box, 10);
gtk_widget_set_margin_top (box, 10);
gtk_widget_set_margin_bottom (box, 10);
label = gtk_label_new (G_OBJECT_TYPE_NAME (controller));
g_object_set (label, "xalign", 0.0, NULL);
gtk_box_append (GTK_BOX (box), label);
gtk_size_group_add_widget (sl->priv->sizegroup, label);
gtk_widget_set_halign (label, GTK_ALIGN_START);
gtk_widget_set_valign (label, GTK_ALIGN_BASELINE);
combo = gtk_combo_box_text_new ();
gtk_combo_box_text_insert_text (GTK_COMBO_BOX_TEXT (combo), GTK_PHASE_NONE, C_("event phase", "None"));
gtk_combo_box_text_insert_text (GTK_COMBO_BOX_TEXT (combo), GTK_PHASE_CAPTURE, C_("event phase", "Capture"));
gtk_combo_box_text_insert_text (GTK_COMBO_BOX_TEXT (combo), GTK_PHASE_BUBBLE, C_("event phase", "Bubble"));
gtk_combo_box_text_insert_text (GTK_COMBO_BOX_TEXT (combo), GTK_PHASE_TARGET, C_("event phase", "Target"));
gtk_combo_box_set_active (GTK_COMBO_BOX (combo), gtk_event_controller_get_propagation_phase (controller));
gtk_box_append (GTK_BOX (box), combo);
gtk_widget_set_halign (label, GTK_ALIGN_END);
gtk_widget_set_valign (label, GTK_ALIGN_BASELINE);
g_object_set_data (G_OBJECT (row), "controller", controller);
g_signal_connect (combo, "changed", G_CALLBACK (phase_changed_cb), sl);
return row;
}
static gpointer
map_to_controllers (gpointer widget,
gpointer unused)
{
gpointer result = gtk_widget_observe_controllers (widget);
g_object_unref (widget);
return result;
}
static int
compare_phases (GtkPropagationPhase first,
GtkPropagationPhase second)
{
int priorities[] = {
[GTK_PHASE_NONE] = 0,
[GTK_PHASE_CAPTURE] = 1,
[GTK_PHASE_BUBBLE] = 3,
[GTK_PHASE_TARGET] = 2
};
return priorities[first] - priorities[second];
}
static int
compare_controllers (gconstpointer _first,
gconstpointer _second,
gpointer unused)
{
GtkEventController *first = GTK_EVENT_CONTROLLER (_first);
GtkEventController *second = GTK_EVENT_CONTROLLER (_second);
GtkPropagationPhase first_phase, second_phase;
GtkWidget *first_widget, *second_widget;
int result;
first_phase = gtk_event_controller_get_propagation_phase (first);
second_phase = gtk_event_controller_get_propagation_phase (second);
result = compare_phases (first_phase, second_phase);
if (result != 0)
return result;
first_widget = gtk_event_controller_get_widget (first);
second_widget = gtk_event_controller_get_widget (second);
if (first_widget == second_widget)
return 0;
if (gtk_widget_is_ancestor (first_widget, second_widget))
result = -1;
else
result = 1;
if (first_phase == GTK_PHASE_BUBBLE)
result = -result;
return result;
}
void
gtk_inspector_controllers_set_object (GtkInspectorControllers *sl,
GObject *object)
{
GtkWidget *stack;
GtkStackPage *page;
GtkInspectorControllersPrivate *priv = sl->priv;
GtkMapListModel *map_model;
GtkFlattenListModel *flatten_model;
GtkSortListModel *sort_model;
stack = gtk_widget_get_parent (GTK_WIDGET (sl));
page = gtk_stack_get_page (GTK_STACK (stack), GTK_WIDGET (sl));
if (!GTK_IS_WIDGET (object))
{
g_object_set (page, "visible", FALSE, NULL);
return;
}
g_object_set (page, "visible", TRUE, NULL);
priv->model = gtk_property_lookup_list_model_new (GTK_TYPE_WIDGET, "parent");
gtk_property_lookup_list_model_set_object (priv->model, object);
map_model = gtk_map_list_model_new (G_TYPE_LIST_MODEL, G_LIST_MODEL (priv->model), map_to_controllers, NULL, NULL);
g_object_unref (priv->model);
flatten_model = gtk_flatten_list_model_new (GTK_TYPE_EVENT_CONTROLLER, G_LIST_MODEL (map_model));
sort_model = gtk_sort_list_model_new (G_LIST_MODEL (flatten_model),
compare_controllers,
NULL, NULL);
gtk_list_box_bind_model (GTK_LIST_BOX (priv->listbox),
G_LIST_MODEL (sort_model),
create_controller_widget,
sl,
NULL);
g_object_unref (sort_model);
g_object_unref (flatten_model);
g_object_unref (map_model);
}
static void
get_property (GObject *object,
guint param_id,
GValue *value,
GParamSpec *pspec)
{
GtkInspectorControllers *sl = GTK_INSPECTOR_CONTROLLERS (object);
switch (param_id)
{
case PROP_OBJECT_TREE:
g_value_take_object (value, sl->priv->object_tree);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, param_id, pspec);
break;
}
}
static void
set_property (GObject *object,
guint param_id,
const GValue *value,
GParamSpec *pspec)
{
GtkInspectorControllers *sl = GTK_INSPECTOR_CONTROLLERS (object);
switch (param_id)
{
case PROP_OBJECT_TREE:
sl->priv->object_tree = g_value_get_object (value);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, param_id, pspec);
break;
}
}
static void
gtk_inspector_controllers_class_init (GtkInspectorControllersClass *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
object_class->get_property = get_property;
object_class->set_property = set_property;
g_object_class_install_property (object_class, PROP_OBJECT_TREE,
g_param_spec_object ("object-tree", "Widget Tree", "Widget tree",
GTK_TYPE_WIDGET, G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY));
}
// vim: set et sw=2 ts=2: