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gimp/app/widgets/gimpeditor.c

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/* The GIMP -- an image manipulation program
* Copyright (C) 1995 Spencer Kimball and Peter Mattis
*
* gimpeditor.c
* Copyright (C) 2001-2004 Michael Natterer <mitch@gimp.org>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#include "config.h"
#include <gtk/gtk.h>
#include "libgimpwidgets/gimpwidgets.h"
#include "widgets-types.h"
#include "gimpdocked.h"
#include "gimpeditor.h"
#include "gimpdnd.h"
#include "gimpmenufactory.h"
#include "gimpuimanager.h"
#include "gimpwidgets-utils.h"
#include "gimp-intl.h"
#define DEFAULT_CONTENT_SPACING 2
#define DEFAULT_BUTTON_SPACING 2
#define DEFAULT_BUTTON_ICON_SIZE GTK_ICON_SIZE_MENU
enum
{
PROP_0,
PROP_MENU_FACTORY,
PROP_MENU_IDENTIFIER,
PROP_UI_PATH,
PROP_POPUP_DATA,
PROP_SHOW_NAME,
PROP_NAME
};
static void gimp_editor_docked_iface_init (GimpDockedInterface *iface);
static GObject * gimp_editor_constructor (GType type,
guint n_params,
GObjectConstructParam *params);
static void gimp_editor_set_property (GObject *object,
guint property_id,
const GValue *value,
GParamSpec *pspec);
static void gimp_editor_get_property (GObject *object,
guint property_id,
GValue *value,
GParamSpec *pspec);
static void gimp_editor_destroy (GtkObject *object);
static void gimp_editor_style_set (GtkWidget *widget,
GtkStyle *prev_style);
static GimpUIManager * gimp_editor_get_menu (GimpDocked *docked,
const gchar **ui_path,
gpointer *popup_data);
static gboolean gimp_editor_has_button_bar (GimpDocked *docked);
static void gimp_editor_set_show_button_bar (GimpDocked *docked,
gboolean show);
static gboolean gimp_editor_get_show_button_bar (GimpDocked *docked);
static GtkIconSize gimp_editor_ensure_button_box (GimpEditor *editor);
G_DEFINE_TYPE_WITH_CODE (GimpEditor, gimp_editor, GTK_TYPE_VBOX,
G_IMPLEMENT_INTERFACE (GIMP_TYPE_DOCKED,
gimp_editor_docked_iface_init))
#define parent_class gimp_editor_parent_class
static void
gimp_editor_class_init (GimpEditorClass *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
GtkObjectClass *gtk_object_class = GTK_OBJECT_CLASS (klass);
GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (klass);
object_class->constructor = gimp_editor_constructor;
object_class->set_property = gimp_editor_set_property;
object_class->get_property = gimp_editor_get_property;
gtk_object_class->destroy = gimp_editor_destroy;
widget_class->style_set = gimp_editor_style_set;
g_object_class_install_property (object_class, PROP_MENU_FACTORY,
g_param_spec_object ("menu-factory",
NULL, NULL,
GIMP_TYPE_MENU_FACTORY,
GIMP_PARAM_READWRITE |
G_PARAM_CONSTRUCT_ONLY));
g_object_class_install_property (object_class, PROP_MENU_IDENTIFIER,
g_param_spec_string ("menu-identifier",
NULL, NULL,
NULL,
GIMP_PARAM_READWRITE |
G_PARAM_CONSTRUCT_ONLY));
g_object_class_install_property (object_class, PROP_UI_PATH,
g_param_spec_string ("ui-path",
NULL, NULL,
NULL,
GIMP_PARAM_READWRITE |
G_PARAM_CONSTRUCT_ONLY));
g_object_class_install_property (object_class, PROP_POPUP_DATA,
g_param_spec_pointer ("popup-data",
NULL, NULL,
GIMP_PARAM_READWRITE |
G_PARAM_CONSTRUCT_ONLY));
g_object_class_install_property (object_class, PROP_SHOW_NAME,
g_param_spec_boolean ("show-name",
NULL, NULL,
FALSE,
GIMP_PARAM_READWRITE));
g_object_class_install_property (object_class, PROP_NAME,
g_param_spec_string ("name",
NULL, NULL,
NULL,
GIMP_PARAM_WRITABLE |
G_PARAM_CONSTRUCT));
gtk_widget_class_install_style_property (widget_class,
g_param_spec_int ("content-spacing",
NULL, NULL,
0,
G_MAXINT,
DEFAULT_CONTENT_SPACING,
GIMP_PARAM_READABLE));
gtk_widget_class_install_style_property (widget_class,
g_param_spec_int ("button-spacing",
NULL, NULL,
0,
G_MAXINT,
DEFAULT_BUTTON_SPACING,
GIMP_PARAM_READABLE));
gtk_widget_class_install_style_property (widget_class,
g_param_spec_enum ("button-icon-size",
NULL, NULL,
GTK_TYPE_ICON_SIZE,
DEFAULT_BUTTON_ICON_SIZE,
GIMP_PARAM_READABLE));
}
static void
gimp_editor_init (GimpEditor *editor)
{
editor->menu_factory = NULL;
editor->menu_identifier = NULL;
editor->ui_manager = NULL;
editor->ui_path = NULL;
editor->popup_data = editor;
editor->button_box = NULL;
editor->show_button_bar = TRUE;
editor->name_label = g_object_new (GTK_TYPE_LABEL,
"xalign", 0.0,
"yalign", 0.5,
"ellipsize", PANGO_ELLIPSIZE_END,
NULL);
gimp_label_set_attributes (GTK_LABEL (editor->name_label),
PANGO_ATTR_STYLE, PANGO_STYLE_ITALIC,
-1);
gtk_box_pack_start (GTK_BOX (editor), editor->name_label, FALSE, FALSE, 0);
}
static void
gimp_editor_docked_iface_init (GimpDockedInterface *iface)
{
iface->get_menu = gimp_editor_get_menu;
iface->has_button_bar = gimp_editor_has_button_bar;
iface->set_show_button_bar = gimp_editor_set_show_button_bar;
iface->get_show_button_bar = gimp_editor_get_show_button_bar;
}
static GObject *
gimp_editor_constructor (GType type,
guint n_params,
GObjectConstructParam *params)
{
GObject *object;
GimpEditor *editor;
object = G_OBJECT_CLASS (parent_class)->constructor (type, n_params, params);
editor = GIMP_EDITOR (object);
if (! editor->popup_data)
editor->popup_data = editor;
if (editor->menu_factory && editor->menu_identifier)
{
editor->ui_manager =
gimp_menu_factory_manager_new (editor->menu_factory,
editor->menu_identifier,
editor->popup_data,
FALSE);
}
return object;
}
static void
gimp_editor_set_property (GObject *object,
guint property_id,
const GValue *value,
GParamSpec *pspec)
{
GimpEditor *editor = GIMP_EDITOR (object);
switch (property_id)
{
case PROP_MENU_FACTORY:
editor->menu_factory = (GimpMenuFactory *) g_value_dup_object (value);
break;
case PROP_MENU_IDENTIFIER:
editor->menu_identifier = g_value_dup_string (value);
break;
case PROP_UI_PATH:
editor->ui_path = g_value_dup_string (value);
break;
case PROP_POPUP_DATA:
editor->popup_data = g_value_get_pointer (value);
break;
case PROP_SHOW_NAME:
g_object_set_property (G_OBJECT (editor->name_label), "visible", value);
break;
case PROP_NAME:
gimp_editor_set_name (editor, g_value_get_string (value));
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
break;
}
}
static void
gimp_editor_get_property (GObject *object,
guint property_id,
GValue *value,
GParamSpec *pspec)
{
GimpEditor *editor = GIMP_EDITOR (object);
switch (property_id)
{
case PROP_MENU_FACTORY:
g_value_set_object (value, editor->menu_factory);
break;
case PROP_MENU_IDENTIFIER:
g_value_set_string (value, editor->menu_identifier);
break;
case PROP_UI_PATH:
g_value_set_string (value, editor->ui_path);
break;
case PROP_POPUP_DATA:
g_value_set_pointer (value, editor->popup_data);
break;
case PROP_SHOW_NAME:
g_object_get_property (G_OBJECT (editor->name_label), "visible", value);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
break;
}
}
static void
gimp_editor_destroy (GtkObject *object)
{
GimpEditor *editor = GIMP_EDITOR (object);
if (editor->menu_factory)
{
g_object_unref (editor->menu_factory);
editor->menu_factory = NULL;
}
if (editor->menu_identifier)
{
g_free (editor->menu_identifier);
editor->menu_identifier = NULL;
}
if (editor->ui_manager)
{
g_object_unref (editor->ui_manager);
editor->ui_manager = NULL;
}
if (editor->ui_path)
{
g_free (editor->ui_path);
editor->ui_path = NULL;
}
GTK_OBJECT_CLASS (parent_class)->destroy (object);
}
static void
gimp_editor_style_set (GtkWidget *widget,
GtkStyle *prev_style)
{
GimpEditor *editor = GIMP_EDITOR (widget);
gint content_spacing;
if (GTK_WIDGET_CLASS (parent_class)->style_set)
GTK_WIDGET_CLASS (parent_class)->style_set (widget, prev_style);
gtk_widget_style_get (widget, "content-spacing", &content_spacing, NULL);
gtk_box_set_spacing (GTK_BOX (widget), content_spacing);
if (editor->button_box)
gimp_editor_set_box_style (editor, GTK_BOX (editor->button_box));
}
static GimpUIManager *
gimp_editor_get_menu (GimpDocked *docked,
const gchar **ui_path,
gpointer *popup_data)
{
GimpEditor *editor = GIMP_EDITOR (docked);
*ui_path = editor->ui_path;
*popup_data = editor->popup_data;
return editor->ui_manager;
}
static gboolean
gimp_editor_has_button_bar (GimpDocked *docked)
{
GimpEditor *editor = GIMP_EDITOR (docked);
return editor->button_box != NULL;
}
static void
gimp_editor_set_show_button_bar (GimpDocked *docked,
gboolean show)
{
GimpEditor *editor = GIMP_EDITOR (docked);
if (show != editor->show_button_bar)
{
editor->show_button_bar = show;
if (editor->button_box)
{
if (show)
gtk_widget_show (editor->button_box);
else
gtk_widget_hide (editor->button_box);
}
}
}
static gboolean
gimp_editor_get_show_button_bar (GimpDocked *docked)
{
GimpEditor *editor = GIMP_EDITOR (docked);
return editor->show_button_bar;
}
GtkWidget *
gimp_editor_new (void)
{
return g_object_new (GIMP_TYPE_EDITOR, NULL);
}
void
gimp_editor_create_menu (GimpEditor *editor,
GimpMenuFactory *menu_factory,
const gchar *menu_identifier,
const gchar *ui_path,
gpointer popup_data)
{
g_return_if_fail (GIMP_IS_EDITOR (editor));
g_return_if_fail (GIMP_IS_MENU_FACTORY (menu_factory));
g_return_if_fail (menu_identifier != NULL);
g_return_if_fail (ui_path != NULL);
if (editor->menu_factory)
g_object_unref (editor->menu_factory);
editor->menu_factory = g_object_ref (menu_factory);
if (editor->ui_manager)
g_object_unref (editor->ui_manager);
editor->ui_manager = gimp_menu_factory_manager_new (menu_factory,
menu_identifier,
popup_data,
FALSE);
if (editor->ui_path)
g_free (editor->ui_path);
editor->ui_path = g_strdup (ui_path);
editor->popup_data = popup_data;
}
gboolean
gimp_editor_popup_menu (GimpEditor *editor,
GimpMenuPositionFunc position_func,
gpointer position_data)
{
g_return_val_if_fail (GIMP_IS_EDITOR (editor), FALSE);
if (editor->ui_manager && editor->ui_path)
{
gimp_ui_manager_update (editor->ui_manager, editor->popup_data);
gimp_ui_manager_ui_popup (editor->ui_manager, editor->ui_path,
GTK_WIDGET (editor),
position_func, position_data,
NULL, NULL);
return TRUE;
}
return FALSE;
}
GtkWidget *
gimp_editor_add_button (GimpEditor *editor,
const gchar *stock_id,
const gchar *tooltip,
const gchar *help_id,
GCallback callback,
GCallback extended_callback,
gpointer callback_data)
{
GtkWidget *button;
GtkWidget *image;
GtkIconSize button_icon_size;
g_return_val_if_fail (GIMP_IS_EDITOR (editor), NULL);
g_return_val_if_fail (stock_id != NULL, NULL);
button_icon_size = gimp_editor_ensure_button_box (editor);
button = g_object_new (GIMP_TYPE_BUTTON,
"use-stock", TRUE,
NULL);
gtk_box_pack_start (GTK_BOX (editor->button_box), button, TRUE, TRUE, 0);
gtk_widget_show (button);
if (tooltip || help_id)
gimp_help_set_help_data (button, tooltip, help_id);
if (callback)
g_signal_connect (button, "clicked",
callback,
callback_data);
if (extended_callback)
g_signal_connect (button, "extended-clicked",
extended_callback,
callback_data);
image = gtk_image_new_from_stock (stock_id, button_icon_size);
gtk_container_add (GTK_CONTAINER (button), image);
gtk_widget_show (image);
return button;
}
GtkWidget *
gimp_editor_add_stock_box (GimpEditor *editor,
GType enum_type,
const gchar *stock_prefix,
GCallback callback,
gpointer callback_data)
{
GtkWidget *hbox;
GtkWidget *first_button;
GtkIconSize button_icon_size;
GList *children;
GList *list;
g_return_val_if_fail (GIMP_IS_EDITOR (editor), NULL);
g_return_val_if_fail (g_type_is_a (enum_type, G_TYPE_ENUM), NULL);
g_return_val_if_fail (stock_prefix != NULL, NULL);
button_icon_size = gimp_editor_ensure_button_box (editor);
hbox = gimp_enum_stock_box_new (enum_type, stock_prefix, button_icon_size,
callback, callback_data,
&first_button);
children = gtk_container_get_children (GTK_CONTAINER (hbox));
for (list = children; list; list = g_list_next (list))
{
GtkWidget *button = list->data;
g_object_ref (button);
gtk_container_remove (GTK_CONTAINER (hbox), button);
gtk_box_pack_start (GTK_BOX (editor->button_box), button,
TRUE, TRUE, 0);
g_object_unref (button);
}
g_list_free (children);
g_object_ref_sink (hbox);
g_object_unref (hbox);
return first_button;
}
typedef struct _ExtendedAction ExtendedAction;
struct _ExtendedAction
{
GdkModifierType mod_mask;
GtkAction *action;
};
static void
gimp_editor_button_extended_actions_free (GList *list)
{
g_list_foreach (list, (GFunc) g_free, NULL);
g_list_free (list);
}
static void
gimp_editor_button_extended_clicked (GtkWidget *button,
GdkModifierType mask,
gpointer data)
{
GList *extended = g_object_get_data (G_OBJECT (button), "extended-actions");
GList *list;
for (list = extended; list; list = g_list_next (list))
{
ExtendedAction *ext = list->data;
if ((ext->mod_mask & mask) == ext->mod_mask &&
gtk_action_get_sensitive (ext->action))
{
gtk_action_activate (ext->action);
break;
}
}
}
GtkWidget *
gimp_editor_add_action_button (GimpEditor *editor,
const gchar *group_name,
const gchar *action_name,
...)
{
GimpActionGroup *group;
GtkAction *action;
GtkWidget *button;
GtkWidget *old_child;
GtkWidget *image;
GtkIconSize button_icon_size;
gchar *stock_id;
gchar *tooltip;
const gchar *help_id;
GList *extended = NULL;
va_list args;
g_return_val_if_fail (GIMP_IS_EDITOR (editor), NULL);
g_return_val_if_fail (action_name != NULL, NULL);
g_return_val_if_fail (editor->ui_manager != NULL, NULL);
group = gimp_ui_manager_get_action_group (editor->ui_manager, group_name);
g_return_val_if_fail (group != NULL, NULL);
action = gtk_action_group_get_action (GTK_ACTION_GROUP (group),
action_name);
g_return_val_if_fail (action != NULL, NULL);
button_icon_size = gimp_editor_ensure_button_box (editor);
if (GTK_IS_TOGGLE_ACTION (action))
{
button = gtk_toggle_button_new ();
gtk_toggle_button_set_mode (GTK_TOGGLE_BUTTON (button), FALSE);
}
else
{
button = gimp_button_new ();
}
g_object_get (action,
"stock-id", &stock_id,
"tooltip", &tooltip,
NULL);
old_child = gtk_bin_get_child (GTK_BIN (button));
if (old_child)
gtk_container_remove (GTK_CONTAINER (button), old_child);
image = gtk_image_new_from_stock (stock_id, button_icon_size);
gtk_container_add (GTK_CONTAINER (button), image);
gtk_widget_show (image);
g_free (stock_id);
gtk_action_connect_proxy (action, button);
gtk_box_pack_start (GTK_BOX (editor->button_box), button, TRUE, TRUE, 0);
gtk_widget_show (button);
va_start (args, action_name);
action_name = va_arg (args, const gchar *);
while (action_name)
{
GdkModifierType mod_mask;
mod_mask = va_arg (args, GdkModifierType);
action = gtk_action_group_get_action (GTK_ACTION_GROUP (group),
action_name);
if (action && mod_mask)
{
ExtendedAction *ext = g_new0 (ExtendedAction, 1);
ext->mod_mask = mod_mask;
ext->action = action;
extended = g_list_prepend (extended, ext);
if (tooltip)
{
gchar *ext_tooltip;
g_object_get (action, "tooltip", &ext_tooltip, NULL);
if (ext_tooltip)
{
gchar *tmp = g_strconcat (tooltip, "\n(",
gimp_get_mod_string (mod_mask),
") ", ext_tooltip, NULL);
g_free (ext_tooltip);
g_free (tooltip);
tooltip = tmp;
}
}
}
action_name = va_arg (args, const gchar *);
}
va_end (args);
if (extended)
{
g_object_set_data_full (G_OBJECT (button), "extended-actions", extended,
(GDestroyNotify) gimp_editor_button_extended_actions_free);
g_signal_connect (button, "extended-clicked",
G_CALLBACK (gimp_editor_button_extended_clicked),
NULL);
}
help_id = g_object_get_qdata (G_OBJECT (action), GIMP_HELP_ID);
if (tooltip || help_id)
gimp_help_set_help_data (button, tooltip, help_id);
g_free (tooltip);
return button;
}
void
gimp_editor_set_show_name (GimpEditor *editor,
gboolean show)
{
g_return_if_fail (GIMP_IS_EDITOR (editor));
g_object_set (editor, "show-name", show, NULL);
}
void
gimp_editor_set_name (GimpEditor *editor,
const gchar *name)
{
g_return_if_fail (GIMP_IS_EDITOR (editor));
gtk_label_set_text (GTK_LABEL (editor->name_label),
name ? name : _("(None)"));
}
void
gimp_editor_set_box_style (GimpEditor *editor,
GtkBox *box)
{
GtkIconSize button_icon_size;
gint button_spacing;
GList *children;
GList *list;
g_return_if_fail (GIMP_IS_EDITOR (editor));
g_return_if_fail (GTK_IS_BOX (box));
gtk_widget_style_get (GTK_WIDGET (editor),
"button-icon-size", &button_icon_size,
"button-spacing", &button_spacing,
NULL);
gtk_box_set_spacing (box, button_spacing);
children = gtk_container_get_children (GTK_CONTAINER (box));
for (list = children; list; list = g_list_next (list))
{
if (GTK_IS_BUTTON (list->data))
{
GtkWidget *child;
child = gtk_bin_get_child (GTK_BIN (list->data));
if (GTK_IS_IMAGE (child))
{
gchar *stock_id;
gtk_image_get_stock (GTK_IMAGE (child), &stock_id, NULL);
gtk_image_set_from_stock (GTK_IMAGE (child),
stock_id, button_icon_size);
}
}
}
g_list_free (children);
}
/* private functions */
static GtkIconSize
gimp_editor_ensure_button_box (GimpEditor *editor)
{
GtkIconSize button_icon_size;
gint button_spacing;
gtk_widget_style_get (GTK_WIDGET (editor),
"button-icon-size", &button_icon_size,
"button-spacing", &button_spacing,
NULL);
if (! editor->button_box)
{
editor->button_box = gtk_hbox_new (TRUE, button_spacing);
gtk_box_pack_end (GTK_BOX (editor), editor->button_box, FALSE, FALSE, 0);
gtk_box_reorder_child (GTK_BOX (editor), editor->button_box, 0);
if (editor->show_button_bar)
gtk_widget_show (editor->button_box);
}
return button_icon_size;
}
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