gtk2/gtk/inspector/controllers.c
Matthias Clasen 24389a0ef5 Make sorter constructors return exact types
Make functions like gtk_custom_sorter_new() return
the actual type they construct.

Update all callers.
2020-09-05 21:50:15 -04:00

285 lines
8.5 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 "gtkbinlayout.h"
#include "gtkdropdown.h"
#include "gtkbox.h"
#include "gtkcustomsorter.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 "gtksizegroup.h"
#include "gtksortlistmodel.h"
#include "gtkstack.h"
#include "gtkstylecontext.h"
#include "gtkwidgetprivate.h"
#include "window.h"
struct _GtkInspectorControllers
{
GtkWidget parent_instance;
GtkWidget *listbox;
GtkPropertyLookupListModel *model;
GtkSizeGroup *sizegroup;
};
struct _GtkInspectorControllersClass
{
GtkWidgetClass parent_class;
};
G_DEFINE_TYPE (GtkInspectorControllers, gtk_inspector_controllers, GTK_TYPE_WIDGET)
static void
row_activated (GtkListBox *box,
GtkListBoxRow *row,
GtkInspectorControllers *self)
{
GtkInspectorWindow *iw;
GObject *controller;
iw = GTK_INSPECTOR_WINDOW (gtk_widget_get_ancestor (GTK_WIDGET (self), GTK_TYPE_INSPECTOR_WINDOW));
controller = G_OBJECT (g_object_get_data (G_OBJECT (row), "controller"));
gtk_inspector_window_push_object (iw, controller, CHILD_KIND_CONTROLLER, 0);
}
static void
gtk_inspector_controllers_init (GtkInspectorControllers *self)
{
GtkWidget *sw, *box;
self->sizegroup = gtk_size_group_new (GTK_SIZE_GROUP_HORIZONTAL);
sw = gtk_scrolled_window_new ();
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);
self->listbox = gtk_list_box_new ();
gtk_widget_add_css_class (self->listbox, "frame");
gtk_widget_set_halign (self->listbox, GTK_ALIGN_CENTER);
g_signal_connect (self->listbox, "row-activated", G_CALLBACK (row_activated), self);
gtk_list_box_set_selection_mode (GTK_LIST_BOX (self->listbox), GTK_SELECTION_NONE);
gtk_box_append (GTK_BOX (box), self->listbox);
gtk_widget_set_parent (sw, GTK_WIDGET (self));
}
static void
phase_changed_cb (GtkDropDown *dropdown,
GParamSpec *pspec,
GtkInspectorControllers *self)
{
GtkWidget *row;
GtkPropagationPhase phase;
GtkEventController *controller;
phase = gtk_drop_down_get_selected (dropdown);
row = gtk_widget_get_ancestor (GTK_WIDGET (dropdown), 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)
{
GtkInspectorControllers *self = user_data;
GtkEventController *controller = item;
GtkWidget *row;
GtkWidget *box;
GtkWidget *label;
GtkWidget *dropdown;
const char *phases[5];
row = gtk_list_box_row_new ();
gtk_list_box_row_set_activatable (GTK_LIST_BOX_ROW (row), TRUE);
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 (self->sizegroup, label);
gtk_widget_set_halign (label, GTK_ALIGN_START);
gtk_widget_set_valign (label, GTK_ALIGN_BASELINE);
phases[0] = C_("event phase", "None");
phases[1] = C_("event phase", "Capture");
phases[2] = C_("event phase", "Bubble");
phases[3] = C_("event phase", "Target");
phases[4] = NULL;
dropdown = gtk_drop_down_new_from_strings (phases);
gtk_drop_down_set_selected (GTK_DROP_DOWN (dropdown), gtk_event_controller_get_propagation_phase (controller));
gtk_box_append (GTK_BOX (box), dropdown);
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 (dropdown, "notify::selected", G_CALLBACK (phase_changed_cb), self);
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 *self,
GObject *object)
{
GtkWidget *stack;
GtkStackPage *page;
GtkMapListModel *map_model;
GtkFlattenListModel *flatten_model;
GtkSortListModel *sort_model;
GtkSorter *sorter;
stack = gtk_widget_get_parent (GTK_WIDGET (self));
page = gtk_stack_get_page (GTK_STACK (stack), GTK_WIDGET (self));
if (!GTK_IS_WIDGET (object))
{
g_object_set (page, "visible", FALSE, NULL);
return;
}
g_object_set (page, "visible", TRUE, NULL);
self->model = gtk_property_lookup_list_model_new (GTK_TYPE_WIDGET, "parent");
gtk_property_lookup_list_model_set_object (self->model, object);
map_model = gtk_map_list_model_new (G_LIST_MODEL (self->model), map_to_controllers, NULL, NULL);
flatten_model = gtk_flatten_list_model_new (G_LIST_MODEL (map_model));
sorter = GTK_SORTER (gtk_custom_sorter_new (compare_controllers, NULL, NULL));
sort_model = gtk_sort_list_model_new (G_LIST_MODEL (flatten_model), sorter);
gtk_list_box_bind_model (GTK_LIST_BOX (self->listbox),
G_LIST_MODEL (sort_model),
create_controller_widget,
self,
NULL);
g_object_unref (sort_model);
}
static void
gtk_inspector_controllers_dispose (GObject *object)
{
GtkInspectorControllers *self = GTK_INSPECTOR_CONTROLLERS (object);
gtk_widget_unparent (gtk_widget_get_first_child (GTK_WIDGET (self)));
g_clear_object (&self->sizegroup);
G_OBJECT_CLASS (gtk_inspector_controllers_parent_class)->dispose (object);
}
static void
gtk_inspector_controllers_class_init (GtkInspectorControllersClass *klass)
{
GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (klass);
GObjectClass *object_class = G_OBJECT_CLASS (klass);
object_class->dispose = gtk_inspector_controllers_dispose;
gtk_widget_class_set_layout_manager_type (widget_class, GTK_TYPE_BIN_LAYOUT);
}
// vim: set et sw=2 ts=2: