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gtk: Add GtkNoSelection

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Allows not to have anything selected.
This commit is contained in:
Benjamin Otte 2019-10-07 06:28:28 +02:00
parent 9f5ee77a44
commit 1b68e76852
9 changed files with 312 additions and 0 deletions
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1
docs/reference/gtk/gtk4-docs.xml
View File

@ -51,6 +51,7 @@
<xi:include href="xml/gtksortlistmodel.xml" />
<xi:include href="xml/gtktreelistmodel.xml" />
<xi:include href="xml/gtkselectionmodel.xml" />
<xi:include href="xml/gtknoselection.xml" />
<xi:include href="xml/gtksingleselection.xml" />
</chapter>

10
docs/reference/gtk/gtk4-sections.txt
View File

@ -465,6 +465,16 @@ GTK_TYPE_SELECTION_MODEL
gtk_selection_model_get_type
</SECTION>
<SECTION>
<FILE>gtknoselection</FILE>
<TITLE>GtkNoSelection</TITLE>
GtkNoSelection
gtk_no_selection_new
gtk_no_selection_get_model
<SUBSECTION Private>
gtk_no_selection_get_type
</SECTION>
<SECTION>
<FILE>gtksingleselection</FILE>
<TITLE>GtkSingleSelection</TITLE>

1
gtk/gtk.h
View File

@ -166,6 +166,7 @@
#include <gtk/gtkmountoperation.h>
#include <gtk/gtknative.h>
#include <gtk/gtknativedialog.h>
#include <gtk/gtknoselection.h>
#include <gtk/gtknotebook.h>
#include <gtk/gtkorientable.h>
#include <gtk/gtkoverlay.h>

254
gtk/gtknoselection.c Normal file
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@ -0,0 +1,254 @@
/*
* Copyright © 2019 Benjamin Otte
*
* 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 2.1 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/>.
*
* Authors: Benjamin Otte <otte@gnome.org>
*/
#include "config.h"
#include "gtknoselection.h"
#include "gtkintl.h"
#include "gtkselectionmodel.h"
/**
* SECTION:gtknoselection
* @Short_description: A selection model that does not allow selecting anything
* @Title: GtkNoSelection
* @see_also: #GtkSelectionModel
*
* GtkNoSelection is an implementation of the #GtkSelectionModel interface
* that does not allow selecting anything.
*
* This model is meant to be used as a simple wrapper to #GListModels when a
* #GtkSelectionModel is required.
*/
struct _GtkNoSelection
{
GObject parent_instance;
GListModel *model;
};
struct _GtkNoSelectionClass
{
GObjectClass parent_class;
};
enum {
PROP_0,
PROP_MODEL,
N_PROPS
};
static GParamSpec *properties[N_PROPS] = { NULL, };
static GType
gtk_no_selection_get_item_type (GListModel *list)
{
GtkNoSelection *self = GTK_NO_SELECTION (list);
return g_list_model_get_item_type (self->model);
}
static guint
gtk_no_selection_get_n_items (GListModel *list)
{
GtkNoSelection *self = GTK_NO_SELECTION (list);
return g_list_model_get_n_items (self->model);
}
static gpointer
gtk_no_selection_get_item (GListModel *list,
guint position)
{
GtkNoSelection *self = GTK_NO_SELECTION (list);
return g_list_model_get_item (self->model, position);
}
static void
gtk_no_selection_list_model_init (GListModelInterface *iface)
{
iface->get_item_type = gtk_no_selection_get_item_type;
iface->get_n_items = gtk_no_selection_get_n_items;
iface->get_item = gtk_no_selection_get_item;
}
static gboolean
gtk_no_selection_is_selected (GtkSelectionModel *model,
guint position)
{
return FALSE;
}
static void
gtk_no_selection_query_range (GtkSelectionModel *model,
guint position,
guint *start_range,
guint *n_range,
gboolean *selected)
{
GtkNoSelection *self = GTK_NO_SELECTION (model);
*start_range = 0;
*n_range = g_list_model_get_n_items (self->model);
*selected = FALSE;
}
static void
gtk_no_selection_selection_model_init (GtkSelectionModelInterface *iface)
{
iface->is_selected = gtk_no_selection_is_selected;
iface->query_range = gtk_no_selection_query_range;
}
G_DEFINE_TYPE_EXTENDED (GtkNoSelection, gtk_no_selection, G_TYPE_OBJECT, 0,
G_IMPLEMENT_INTERFACE (G_TYPE_LIST_MODEL,
gtk_no_selection_list_model_init)
G_IMPLEMENT_INTERFACE (GTK_TYPE_SELECTION_MODEL,
gtk_no_selection_selection_model_init))
static void
gtk_no_selection_clear_model (GtkNoSelection *self)
{
if (self->model == NULL)
return;
g_signal_handlers_disconnect_by_func (self->model,
g_list_model_items_changed,
self);
g_clear_object (&self->model);
}
static void
gtk_no_selection_set_property (GObject *object,
guint prop_id,
const GValue *value,
GParamSpec *pspec)
{
GtkNoSelection *self = GTK_NO_SELECTION (object);
switch (prop_id)
{
case PROP_MODEL:
gtk_no_selection_clear_model (self);
self->model = g_value_dup_object (value);
g_signal_connect_swapped (self->model, "items-changed",
G_CALLBACK (g_list_model_items_changed), self);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
gtk_no_selection_get_property (GObject *object,
guint prop_id,
GValue *value,
GParamSpec *pspec)
{
GtkNoSelection *self = GTK_NO_SELECTION (object);
switch (prop_id)
{
case PROP_MODEL:
g_value_set_object (value, self->model);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
gtk_no_selection_dispose (GObject *object)
{
GtkNoSelection *self = GTK_NO_SELECTION (object);
gtk_no_selection_clear_model (self);
G_OBJECT_CLASS (gtk_no_selection_parent_class)->dispose (object);
}
static void
gtk_no_selection_class_init (GtkNoSelectionClass *klass)
{
GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
gobject_class->get_property = gtk_no_selection_get_property;
gobject_class->set_property = gtk_no_selection_set_property;
gobject_class->dispose = gtk_no_selection_dispose;
/**
* GtkNoSelection:model:
*
* The model being managed
*/
properties[PROP_MODEL] =
g_param_spec_object ("model",
P_("The model"),
P_("The model being managed"),
G_TYPE_LIST_MODEL,
G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY | G_PARAM_STATIC_STRINGS);
g_object_class_install_properties (gobject_class, N_PROPS, properties);
}
static void
gtk_no_selection_init (GtkNoSelection *self)
{
}
/**
* gtk_no_selection_new:
* @model: (transfer none): the #GListModel to manage
*
* Creates a new selection to handle @model.
*
* Returns: (transfer full) (type GtkNoSelection): a new #GtkNoSelection
**/
GtkNoSelection *
gtk_no_selection_new (GListModel *model)
{
g_return_val_if_fail (G_IS_LIST_MODEL (model), NULL);
return g_object_new (GTK_TYPE_NO_SELECTION,
"model", model,
NULL);
}
/**
* gtk_no_selection_get_model:
* @self: a #GtkNoSelection
*
* Gets the model that @self is wrapping.
*
* Returns: (transfer none): The model being wrapped
**/
GListModel *
gtk_no_selection_get_model (GtkNoSelection *self)
{
g_return_val_if_fail (GTK_IS_NO_SELECTION (self), NULL);
return self->model;
}

40
gtk/gtknoselection.h Normal file
View File

@ -0,0 +1,40 @@
/*
* Copyright © 2019 Benjamin Otte
*
* 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 2.1 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/>.
*
* Authors: Benjamin Otte <otte@gnome.org>
*/
#ifndef __GTK_NO_SELECTION_H__
#define __GTK_NO_SELECTION_H__
#include <gtk/gtktypes.h>
G_BEGIN_DECLS
#define GTK_TYPE_NO_SELECTION (gtk_no_selection_get_type ())
GDK_AVAILABLE_IN_ALL
G_DECLARE_FINAL_TYPE (GtkNoSelection, gtk_no_selection, GTK, NO_SELECTION, GObject)
GDK_AVAILABLE_IN_ALL
GtkNoSelection * gtk_no_selection_new (GListModel *model);
GDK_AVAILABLE_IN_ALL
GListModel * gtk_no_selection_get_model (GtkNoSelection *self);
G_END_DECLS
#endif /* __GTK_NO_SELECTION_H__ */

2
gtk/meson.build
View File

@ -295,6 +295,7 @@ gtk_public_sources = files([
'gtkmountoperation.c',
'gtknativedialog.c',
'gtknomediafile.c',
'gtknoselection.c',
'gtknotebook.c',
'gtkorientable.c',
'gtkoverlay.c',
@ -554,6 +555,7 @@ gtk_public_headers = files([
'gtkmountoperation.h',
'gtknative.h',
'gtknativedialog.h',
'gtknoselection.h',
'gtknotebook.h',
'gtkorientable.h',
'gtkoverlay.h',

2
testsuite/gtk/defaultvalue.c
View File

@ -110,6 +110,7 @@ test_type (gconstpointer data)
&(GdkRectangle) { 0, 0, 100, 100 })));
}
else if (g_type_is_a (type, GTK_TYPE_FILTER_LIST_MODEL) ||
g_type_is_a (type, GTK_TYPE_NO_SELECTION) ||
g_type_is_a (type, GTK_TYPE_SINGLE_SELECTION))
{
GListStore *list_store = g_list_store_new (G_TYPE_OBJECT);
@ -257,6 +258,7 @@ G_GNUC_BEGIN_IGNORE_DEPRECATIONS
G_GNUC_END_IGNORE_DEPRECATIONS
if ((g_type_is_a (type, GTK_TYPE_FILTER_LIST_MODEL) ||
g_type_is_a (type, GTK_TYPE_NO_SELECTION) ||
g_type_is_a (type, GTK_TYPE_SINGLE_SELECTION)) &&
strcmp (pspec->name, "model") == 0)
continue;

1
testsuite/gtk/notify.c
View File

@ -432,6 +432,7 @@ test_type (gconstpointer data)
gdk_content_formats_unref (formats);
}
else if (g_type_is_a (type, GTK_TYPE_FILTER_LIST_MODEL) ||
g_type_is_a (type, GTK_TYPE_NO_SELECTION) ||
g_type_is_a (type, GTK_TYPE_SINGLE_SELECTION))
{
GListStore *list_store = g_list_store_new (G_TYPE_OBJECT);

1
testsuite/gtk/objects-finalize.c
View File

@ -65,6 +65,7 @@ test_finalize_object (gconstpointer data)
gdk_content_formats_unref (formats);
}
else if (g_type_is_a (test_type, GTK_TYPE_FILTER_LIST_MODEL) ||
g_type_is_a (test_type, GTK_TYPE_NO_SELECTION) ||
g_type_is_a (test_type, GTK_TYPE_SINGLE_SELECTION))
{
GListStore *list_store = g_list_store_new (G_TYPE_OBJECT);