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app-chooser-combobox: add an initial implementation

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GtkAppChooserCombobox is an implementation of GtkAppChooser inside a
combobox that shows recommended applications for a given content type.
This commit is contained in:
Cosimo Cecchi 2010-11-24 18:45:42 +01:00
parent 627f9b70a7
commit 2a95707b4c
5 changed files with 569 additions and 0 deletions
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2
gtk/Makefile.am
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@ -248,6 +248,7 @@ gtk_public_h_sources = \
gtkoffscreenwindow.h \
gtkappchooser.h \
gtkappchooserdialog.h \
gtkappchoosercombobox.h \
gtkappchooserwidget.h \
gtkappchooseronline.h \
gtkorientable.h \
@ -538,6 +539,7 @@ gtk_base_c_sources = \
gtkoffscreenwindow.c \
gtkappchooser.c \
gtkappchooserwidget.c \
gtkappchoosercombobox.c \
gtkappchooserdialog.c \
gtkappchoosermodule.c \
gtkappchooseronline.c \

1
gtk/gtk.h
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@ -132,6 +132,7 @@
#include <gtk/gtkappchooser.h>
#include <gtk/gtkappchooserdialog.h>
#include <gtk/gtkappchooserwidget.h>
#include <gtk/gtkappchoosercombobox.h>
#include <gtk/gtkorientable.h>
#include <gtk/gtkpagesetup.h>
#include <gtk/gtkpapersize.h>

383
gtk/gtkappchoosercombobox.c Normal file
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@ -0,0 +1,383 @@
/*
* gtkappchoosercombobox.h: an app-chooser combobox
*
* Copyright (C) 2010 Red Hat, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library 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
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with the Gnome Library; see the file COPYING.LIB. If not,
* write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*
* Authors: Cosimo Cecchi <ccecchi@redhat.com>
*/
#include <config.h>
#include "gtkappchoosercombobox.h"
#include "gtkappchooser.h"
#include "gtkappchooserprivate.h"
#include "gtkcelllayout.h"
#include "gtkcellrendererpixbuf.h"
#include "gtkcellrenderertext.h"
#include "gtkcombobox.h"
enum {
PROP_CONTENT_TYPE = 1,
};
enum {
COLUMN_APP_INFO,
COLUMN_NAME,
COLUMN_ICON,
COLUMN_CUSTOM,
COLUMN_SEPARATOR,
COLUMN_CALLBACK,
NUM_COLUMNS,
};
typedef struct {
GtkAppChooserComboBoxItemFunc func;
gpointer user_data;
} CustomAppComboData;
static gpointer
custom_app_data_copy (gpointer boxed)
{
CustomAppComboData *retval, *original;
original = boxed;
retval = g_slice_new0 (CustomAppComboData);
retval->func = original->func;
retval->user_data = original->user_data;
return retval;
}
static void
custom_app_data_free (gpointer boxed)
{
g_slice_free (CustomAppComboData, boxed);
}
#define CUSTOM_COMBO_DATA_TYPE custom_app_combo_data_get_type()
G_DEFINE_BOXED_TYPE (CustomAppComboData, custom_app_combo_data,
custom_app_data_copy,
custom_app_data_free);
static void app_chooser_iface_init (GtkAppChooserIface *iface);
G_DEFINE_TYPE_WITH_CODE (GtkAppChooserComboBox, gtk_app_chooser_combo_box, GTK_TYPE_COMBO_BOX,
G_IMPLEMENT_INTERFACE (GTK_TYPE_APP_CHOOSER,
app_chooser_iface_init));
struct _GtkAppChooserComboBoxPrivate {
gchar *content_type;
GtkListStore *store;
};
static gboolean
row_separator_func (GtkTreeModel *model,
GtkTreeIter *iter,
gpointer user_data)
{
gboolean separator;
gtk_tree_model_get (model, iter,
COLUMN_SEPARATOR, &separator,
-1);
return separator;
}
static void
gtk_app_chooser_combo_box_populate (GtkAppChooserComboBox *self)
{
GList *recommended_apps = NULL, *l;
GAppInfo *app;
GtkTreeIter iter;
GIcon *icon;
recommended_apps = g_app_info_get_recommended_for_type (self->priv->content_type);
for (l = recommended_apps; l != NULL; l = l->next)
{
app = l->data;
icon = g_app_info_get_icon (app);
if (icon == NULL)
icon = g_themed_icon_new ("x-application/executable");
else
g_object_ref (icon);
gtk_list_store_append (self->priv->store, &iter);
gtk_list_store_set (self->priv->store, &iter,
COLUMN_APP_INFO, app,
COLUMN_NAME, g_app_info_get_display_name (app),
COLUMN_ICON, icon,
COLUMN_CUSTOM, FALSE,
-1);
g_object_unref (icon);
}
gtk_combo_box_set_active (GTK_COMBO_BOX (self), 0);
}
static void
gtk_app_chooser_combo_box_build_ui (GtkAppChooserComboBox *self)
{
GtkCellRenderer *cell;
self->priv->store = gtk_list_store_new (NUM_COLUMNS,
G_TYPE_APP_INFO,
G_TYPE_STRING,
G_TYPE_ICON,
G_TYPE_BOOLEAN,
G_TYPE_BOOLEAN,
CUSTOM_COMBO_DATA_TYPE);
gtk_combo_box_set_model (GTK_COMBO_BOX (self),
GTK_TREE_MODEL (self->priv->store));
gtk_combo_box_set_row_separator_func (GTK_COMBO_BOX (self),
row_separator_func, NULL, NULL);
cell = gtk_cell_renderer_pixbuf_new ();
gtk_cell_layout_pack_start (GTK_CELL_LAYOUT (self), cell, FALSE);
gtk_cell_layout_set_attributes (GTK_CELL_LAYOUT (self), cell,
"gicon", COLUMN_ICON,
NULL);
cell = gtk_cell_renderer_text_new ();
gtk_cell_layout_pack_start (GTK_CELL_LAYOUT (self), cell, TRUE);
gtk_cell_layout_set_attributes (GTK_CELL_LAYOUT (self), cell,
"text", COLUMN_NAME,
NULL);
gtk_app_chooser_combo_box_populate (self);
}
static void
gtk_app_chooser_combo_box_remove_non_custom (GtkAppChooserComboBox *self)
{
GtkTreeModel *model;
GtkTreeIter iter;
gboolean custom, res;
model = GTK_TREE_MODEL (self->priv->store);
if (!gtk_tree_model_get_iter_first (model, &iter))
return;
do {
gtk_tree_model_get (model, &iter,
COLUMN_CUSTOM, &custom,
-1);
if (custom)
res = gtk_list_store_remove (GTK_LIST_STORE (model), &iter);
else
res = gtk_tree_model_iter_next (model, &iter);
} while (res);
}
static void
gtk_app_chooser_combo_box_changed (GtkComboBox *object)
{
GtkAppChooserComboBox *self = GTK_APP_CHOOSER_COMBO_BOX (object);
GtkTreeIter iter;
gboolean custom, separator;
CustomAppComboData *custom_data = NULL;
gtk_combo_box_get_active_iter (object, &iter);
gtk_tree_model_get (GTK_TREE_MODEL (self->priv->store), &iter,
COLUMN_CUSTOM, &custom,
COLUMN_SEPARATOR, &separator,
COLUMN_CALLBACK, &custom_data,
-1);
if (custom && !separator &&
custom_data != NULL && custom_data->func != NULL)
custom_data->func (self, custom_data->user_data);
}
static void
gtk_app_chooser_combo_box_refresh (GtkAppChooser *object)
{
GtkAppChooserComboBox *self = GTK_APP_CHOOSER_COMBO_BOX (object);
gtk_app_chooser_combo_box_remove_non_custom (self);
gtk_app_chooser_combo_box_populate (self);
}
static GAppInfo *
gtk_app_chooser_combo_box_get_app_info (GtkAppChooser *object)
{
GtkAppChooserComboBox *self = GTK_APP_CHOOSER_COMBO_BOX (object);
GtkTreeIter iter;
GAppInfo *info;
if (!gtk_combo_box_get_active_iter (GTK_COMBO_BOX (self), &iter))
return NULL;
gtk_tree_model_get (GTK_TREE_MODEL (self->priv->store), &iter,
COLUMN_APP_INFO, &info,
-1);
return info;
}
static void
gtk_app_chooser_combo_box_constructed (GObject *obj)
{
GtkAppChooserComboBox *self = GTK_APP_CHOOSER_COMBO_BOX (obj);
if (G_OBJECT_CLASS (gtk_app_chooser_combo_box_parent_class)->constructed != NULL)
G_OBJECT_CLASS (gtk_app_chooser_combo_box_parent_class)->constructed (obj);
g_assert (self->priv->content_type != NULL);
gtk_app_chooser_combo_box_build_ui (self);
}
static void
gtk_app_chooser_combo_box_set_property (GObject *obj,
guint property_id,
const GValue *value,
GParamSpec *pspec)
{
GtkAppChooserComboBox *self = GTK_APP_CHOOSER_COMBO_BOX (obj);
switch (property_id)
{
case PROP_CONTENT_TYPE:
self->priv->content_type = g_value_dup_string (value);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (obj, property_id, pspec);
break;
}
}
static void
gtk_app_chooser_combo_box_get_property (GObject *obj,
guint property_id,
GValue *value,
GParamSpec *pspec)
{
GtkAppChooserComboBox *self = GTK_APP_CHOOSER_COMBO_BOX (obj);
switch (property_id)
{
case PROP_CONTENT_TYPE:
g_value_set_string (value, self->priv->content_type);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (obj, property_id, pspec);
break;
}
}
static void
gtk_app_chooser_combo_box_finalize (GObject *obj)
{
GtkAppChooserComboBox *self = GTK_APP_CHOOSER_COMBO_BOX (obj);
g_free (self->priv->content_type);
G_OBJECT_CLASS (gtk_app_chooser_combo_box_parent_class)->finalize (obj);
}
static void
app_chooser_iface_init (GtkAppChooserIface *iface)
{
iface->get_app_info = gtk_app_chooser_combo_box_get_app_info;
iface->refresh = gtk_app_chooser_combo_box_refresh;
}
static void
gtk_app_chooser_combo_box_class_init (GtkAppChooserComboBoxClass *klass)
{
GObjectClass *oclass = G_OBJECT_CLASS (klass);
GtkComboBoxClass *combo_class = GTK_COMBO_BOX_CLASS (klass);
oclass->set_property = gtk_app_chooser_combo_box_set_property;
oclass->get_property = gtk_app_chooser_combo_box_get_property;
oclass->finalize = gtk_app_chooser_combo_box_finalize;
oclass->constructed = gtk_app_chooser_combo_box_constructed;
combo_class->changed = gtk_app_chooser_combo_box_changed;
g_object_class_override_property (oclass, PROP_CONTENT_TYPE, "content-type");
g_type_class_add_private (klass, sizeof (GtkAppChooserComboBoxPrivate));
}
static void
gtk_app_chooser_combo_box_init (GtkAppChooserComboBox *self)
{
self->priv =
G_TYPE_INSTANCE_GET_PRIVATE (self, GTK_TYPE_APP_CHOOSER_COMBO_BOX,
GtkAppChooserComboBoxPrivate);
}
GtkWidget *
gtk_app_chooser_combo_box_new (const gchar *content_type)
{
g_return_val_if_fail (content_type != NULL, NULL);
return g_object_new (GTK_TYPE_APP_CHOOSER_COMBO_BOX,
"content-type", content_type,
NULL);
}
void
gtk_app_chooser_combo_box_append_separator (GtkAppChooserComboBox *self)
{
GtkTreeIter iter;
g_return_if_fail (GTK_IS_APP_CHOOSER_COMBO_BOX (self));
gtk_list_store_append (self->priv->store, &iter);
gtk_list_store_set (self->priv->store, &iter,
COLUMN_CUSTOM, TRUE,
COLUMN_SEPARATOR, TRUE,
-1);
}
void
gtk_app_chooser_combo_box_append_custom_item (GtkAppChooserComboBox *self,
const gchar *label,
GIcon *icon,
GtkAppChooserComboBoxItemFunc func,
gpointer user_data)
{
GtkTreeIter iter;
CustomAppComboData *data;
data = g_slice_new0 (CustomAppComboData);
data->func = func;
data->user_data = user_data;
gtk_list_store_append (self->priv->store, &iter);
gtk_list_store_set (self->priv->store, &iter,
COLUMN_NAME, label,
COLUMN_ICON, icon,
COLUMN_CALLBACK, data,
COLUMN_CUSTOM, TRUE,
COLUMN_SEPARATOR, FALSE,
-1);
}

79
gtk/gtkappchoosercombobox.h Normal file
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@ -0,0 +1,79 @@
/*
* gtkappchoosercombobox.h: an app-chooser combobox
*
* Copyright (C) 2010 Red Hat, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library 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
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with the Gnome Library; see the file COPYING.LIB. If not,
* write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*
* Authors: Cosimo Cecchi <ccecchi@redhat.com>
*/
#if !defined (__GTK_H_INSIDE__) && !defined (GTK_COMPILATION)
#error "Only <gtk/gtk.h> can be included directly."
#endif
#ifndef __GTK_APP_CHOOSER_COMBO_BOX_H__
#define __GTK_APP_CHOOSER_COMBO_BOX_H__
#include <gtk/gtkcombobox.h>
#include <gio/gio.h>
#define GTK_TYPE_APP_CHOOSER_COMBO_BOX\
(gtk_app_chooser_combo_box_get_type ())
#define GTK_APP_CHOOSER_COMBO_BOX(obj)\
(G_TYPE_CHECK_INSTANCE_CAST ((obj), GTK_TYPE_APP_CHOOSER_COMBO_BOX, GtkAppChooserComboBox))
#define GTK_APP_CHOOSER_COMBO_BOX_CLASS(klass)\
(G_TYPE_CHECK_CLASS_CAST ((klass), GTK_TYPE_APP_CHOOSER_COMBO_BOX, GtkAppChooserComboBoxClass))
#define GTK_IS_APP_CHOOSER_COMBO_BOX(obj)\
(G_TYPE_CHECK_INSTANCE_TYPE ((obj), GTK_TYPE_APP_CHOOSER_COMBO_BOX))
#define GTK_IS_APP_CHOOSER_COMBO_BOX_CLASS(klass)\
(G_TYPE_CHECK_CLASS_TYPE ((klass), GTK_TYPE_APP_CHOOSER_COMBO_BOX))
#define GTK_APP_CHOOSER_COMBO_BOX_GET_CLASS(obj)\
(G_TYPE_INSTANCE_GET_CLASS ((obj), GTK_TYPE_APP_CHOOSER_COMBO_BOX, GtkAppChooserComboBoxClass))
typedef struct _GtkAppChooserComboBox GtkAppChooserComboBox;
typedef struct _GtkAppChooserComboBoxClass GtkAppChooserComboBoxClass;
typedef struct _GtkAppChooserComboBoxPrivate GtkAppChooserComboBoxPrivate;
typedef void (* GtkAppChooserComboBoxItemFunc) (GtkAppChooserComboBox *self,
gpointer user_data);
struct _GtkAppChooserComboBox {
GtkComboBox parent;
/*< private >*/
GtkAppChooserComboBoxPrivate *priv;
};
struct _GtkAppChooserComboBoxClass {
GtkComboBoxClass parent_class;
/* padding for future class expansion */
gpointer padding[16];
};
GType gtk_app_chooser_combo_box_get_type (void) G_GNUC_CONST;
GtkWidget * gtk_app_chooser_combo_box_new (const gchar *content_type);
void gtk_app_chooser_combo_box_append_separator (GtkAppChooserComboBox *self);
void gtk_app_chooser_combo_box_append_custom_item (GtkAppChooserComboBox *self,
const gchar *label,
GIcon *icon,
GtkAppChooserComboBoxItemFunc func,
gpointer user_data);
#endif /* __GTK_APP_CHOOSER_COMBO_BOX_H__ */

104
tests/testappchoosercombo.c Normal file
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@ -0,0 +1,104 @@
/* testappchoosercombo.c
* Copyright (C) 2010 Red Hat, Inc.
* Authors: Cosimo Cecchi
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library 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
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#include <config.h>
#include <stdlib.h>
#include <gtk/gtk.h>
static GtkWidget *toplevel, *combobox, *box;
static GtkWidget *sel_image, *sel_name;
static void
combo_changed_cb (GtkComboBox *cb,
gpointer user_data)
{
GAppInfo *app_info;
app_info = gtk_app_chooser_get_app_info (GTK_APP_CHOOSER (cb));
if (app_info == NULL)
return;
gtk_image_set_from_gicon (GTK_IMAGE (sel_image), g_app_info_get_icon (app_info),
GTK_ICON_SIZE_DIALOG);
gtk_label_set_text (GTK_LABEL (sel_name), g_app_info_get_display_name (app_info));
g_object_unref (app_info);
}
static void
special_item_activated_cb (GtkAppChooserComboBox *cb,
gpointer user_data)
{
gtk_image_set_from_gicon (GTK_IMAGE (sel_image), g_themed_icon_new ("face-smile"),
GTK_ICON_SIZE_DIALOG);
gtk_label_set_text (GTK_LABEL (sel_name), "Special Item");
}
int
main (int argc,
char **argv)
{
GtkWidget *w;
g_type_init ();
gtk_init (&argc, &argv);
toplevel = gtk_window_new (GTK_WINDOW_TOPLEVEL);
gtk_container_set_border_width (GTK_CONTAINER (toplevel), 12);
box = gtk_box_new (GTK_ORIENTATION_VERTICAL, 6);
gtk_container_add (GTK_CONTAINER (toplevel), box);
combobox = gtk_app_chooser_combo_box_new ("image/jpeg");
gtk_box_pack_start (GTK_BOX (box), combobox, TRUE, TRUE, 0);
g_signal_connect (combobox, "changed",
G_CALLBACK (combo_changed_cb), NULL);
w = gtk_label_new (NULL);
gtk_label_set_markup (GTK_LABEL (w), "<b>Selected app info</b>");
gtk_box_pack_start (GTK_BOX (box), w, TRUE, TRUE, 0);
w = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 6);
gtk_box_pack_start (GTK_BOX (box), w, TRUE, TRUE, 0);
sel_image = gtk_image_new ();
gtk_box_pack_start (GTK_BOX (w), sel_image, TRUE, TRUE, 0);
sel_name = gtk_label_new (NULL);
gtk_box_pack_start (GTK_BOX (w), sel_name, TRUE, TRUE, 0);
gtk_app_chooser_combo_box_append_separator (GTK_APP_CHOOSER_COMBO_BOX (combobox));
gtk_app_chooser_combo_box_append_custom_item (GTK_APP_CHOOSER_COMBO_BOX (combobox),
"Hey, I'm special!",
g_themed_icon_new ("face-smile"),
special_item_activated_cb,
NULL);
gtk_widget_show_all (toplevel);
g_signal_connect (toplevel, "delete-event",
G_CALLBACK (gtk_main_quit), NULL);
gtk_main ();
return EXIT_SUCCESS;
}