367 lines
13 KiB
C
367 lines
13 KiB
C
/* PIKA - Photo and Image Kooker Application
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* a rebranding of The GNU Image Manipulation Program (created with heckimp)
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* A derived work which may be trivial. However, any changes may be (C)2023 by Aldercone Studio
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*
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* Original copyright, applying to most contents (license remains unchanged):
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* Copyright (C) 1995 Spencer Kimball and Peter Mattis
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*
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* pikatoolbar.c
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* Copyright (C) 2023 Jehan
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <https://www.gnu.org/licenses/>.
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*/
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#include "config.h"
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#include <gegl.h>
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#include <gtk/gtk.h>
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#include "libpikabase/pikabase.h"
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#include "widgets-types.h"
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#include "core/pika.h"
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#include "pikaaction.h"
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#include "pikaenumaction.h"
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#include "pikaprocedureaction.h"
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#include "pikaradioaction.h"
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#include "pikatoggleaction.h"
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#include "pikatoolbar.h"
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#include "pikamenumodel.h"
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#include "pikamenushell.h"
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#include "pikauimanager.h"
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#define PIKA_TOOLBAR_ACTION_KEY "pika-toolbar-action"
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/**
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* PikaToolbar:
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*
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* Our own toolbar widget.
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*
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* It can be initialized with a GMenuModel.
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*
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* TODO: in the future, we could also give optional GUI-customizability to use
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* it as a generic toolbar in PIKA's main window (where people could add any
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* actions as buttons).
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*/
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/* local function prototypes */
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static void pika_toolbar_iface_init (PikaMenuShellInterface *iface);
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static void pika_toolbar_append (PikaMenuShell *shell,
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PikaMenuModel *model);
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static void pika_toolbar_add_ui (PikaMenuShell *shell,
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const gchar **paths,
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const gchar *action_name,
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gboolean top);
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static void pika_toolbar_add_action (PikaToolbar *toolbar,
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const gchar *action_name,
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gboolean top);
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static void pika_toolbar_toggle_item_toggled (GtkToggleToolButton *item,
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PikaToggleAction *action);
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static void pika_toolbar_toggle_action_toggled (PikaToggleAction *action,
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GtkToggleToolButton *item);
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static void pika_toolbar_action_notify_sensitive (PikaAction *action,
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const GParamSpec *pspec,
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GtkWidget *item);
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static void pika_toolbar_action_notify_visible (PikaAction *action,
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const GParamSpec *pspec,
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GtkWidget *item);
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G_DEFINE_TYPE_WITH_CODE (PikaToolbar, pika_toolbar, GTK_TYPE_TOOLBAR,
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G_IMPLEMENT_INTERFACE (PIKA_TYPE_MENU_SHELL, pika_toolbar_iface_init))
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#define parent_class pika_toolbar_parent_class
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/* Class functions */
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static void
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pika_toolbar_class_init (PikaToolbarClass *klass)
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{
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GObjectClass *object_class = G_OBJECT_CLASS (klass);
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object_class->get_property = pika_menu_shell_get_property;
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object_class->set_property = pika_menu_shell_set_property;
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pika_menu_shell_install_properties (object_class);
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}
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static void
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pika_toolbar_iface_init (PikaMenuShellInterface *iface)
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{
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iface->append = pika_toolbar_append;
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iface->add_ui = pika_toolbar_add_ui;
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}
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static void
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pika_toolbar_init (PikaToolbar *bar)
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{
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pika_menu_shell_init (PIKA_MENU_SHELL (bar));
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}
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static void
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pika_toolbar_append (PikaMenuShell *shell,
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PikaMenuModel *model)
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{
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PikaToolbar *toolbar = PIKA_TOOLBAR (shell);
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gint n_items;
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g_return_if_fail (GTK_IS_CONTAINER (shell));
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n_items = g_menu_model_get_n_items (G_MENU_MODEL (model));
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for (gint i = 0; i < n_items; i++)
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{
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GMenuModel *subsection;
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GMenuModel *submenu;
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gchar *label = NULL;
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gchar *action_name = NULL;
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subsection = g_menu_model_get_item_link (G_MENU_MODEL (model), i, G_MENU_LINK_SECTION);
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submenu = g_menu_model_get_item_link (G_MENU_MODEL (model), i, G_MENU_LINK_SUBMENU);
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g_menu_model_get_item_attribute (G_MENU_MODEL (model), i, G_MENU_ATTRIBUTE_LABEL, "s", &label);
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g_menu_model_get_item_attribute (G_MENU_MODEL (model), i, G_MENU_ATTRIBUTE_ACTION, "s", &action_name);
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if (subsection != NULL)
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{
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GtkToolItem *item;
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item = gtk_separator_tool_item_new ();
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gtk_toolbar_insert (GTK_TOOLBAR (toolbar), item, -1);
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gtk_widget_show (GTK_WIDGET (item));
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pika_toolbar_append (shell, PIKA_MENU_MODEL (subsection));
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item = gtk_separator_tool_item_new ();
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gtk_toolbar_insert (GTK_TOOLBAR (toolbar), item, -1);
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gtk_widget_show (GTK_WIDGET (item));
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}
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else if (submenu == NULL && action_name != NULL)
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{
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pika_toolbar_add_action (toolbar, action_name, FALSE);
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}
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else
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{
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if (submenu != NULL)
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g_warning ("%s: unexpected submenu. Only actions and sections are allowed in toolbar's root.",
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G_STRFUNC);
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else if (label != NULL)
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g_warning ("%s: unexpected label '%s'. Only actions and sections are allowed in toolbar's root.",
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G_STRFUNC, label);
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else
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g_warning ("%s: unexpected toolbar item. Only actions and sections are allowed in toolbar's root.",
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G_STRFUNC);
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}
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g_free (label);
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g_free (action_name);
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g_clear_object (&submenu);
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g_clear_object (&subsection);
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}
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}
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static void
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pika_toolbar_add_ui (PikaMenuShell *shell,
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const gchar **paths,
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const gchar *action_name,
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gboolean top)
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{
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PikaToolbar *toolbar = PIKA_TOOLBAR (shell);
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g_return_if_fail (paths != NULL);
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if (paths[0] != NULL)
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g_warning ("%s: unexpected path '%s'. Menus are not allowed in toolbar's root.",
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G_STRFUNC, paths[0]);
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else
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pika_toolbar_add_action (toolbar, action_name, top);
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}
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/* Public functions */
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GtkWidget *
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pika_toolbar_new (PikaMenuModel *model,
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PikaUIManager *manager)
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{
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g_return_val_if_fail (PIKA_IS_UI_MANAGER (manager) &&
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G_IS_MENU_MODEL (model), NULL);
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return g_object_new (PIKA_TYPE_TOOLBAR,
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"model", model,
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"manager", manager,
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NULL);
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}
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/* Private functions */
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static void
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pika_toolbar_add_action (PikaToolbar *toolbar,
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const gchar *action_name,
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gboolean top)
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{
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PikaUIManager *manager;
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PikaAction *action;
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const gchar *action_label;
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GtkToolItem *item;
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gboolean visible;
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g_return_if_fail (PIKA_IS_TOOLBAR (toolbar));
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manager = pika_menu_shell_get_manager (PIKA_MENU_SHELL (toolbar));
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action = pika_ui_manager_find_action (manager, NULL, action_name);
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g_return_if_fail (PIKA_IS_ACTION (action));
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action_label = pika_action_get_short_label (PIKA_ACTION (action));
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g_return_if_fail (action_label != NULL);
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if (PIKA_IS_TOGGLE_ACTION (action))
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{
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if (PIKA_IS_RADIO_ACTION (action))
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{
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GtkToolItem *sibling = NULL;
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GSList *group = NULL;
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if (top)
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sibling = gtk_toolbar_get_nth_item (GTK_TOOLBAR (toolbar), 0);
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else if (gtk_toolbar_get_n_items (GTK_TOOLBAR (toolbar)) > 0)
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sibling = gtk_toolbar_get_nth_item (GTK_TOOLBAR (toolbar),
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gtk_toolbar_get_n_items (GTK_TOOLBAR (toolbar)) - 1);
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if (sibling != NULL && GTK_IS_RADIO_TOOL_BUTTON (sibling))
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{
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PikaAction *sibling_action;
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sibling_action = g_object_get_data (G_OBJECT (sibling), PIKA_TOOLBAR_ACTION_KEY);
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if (sibling_action != NULL &&
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PIKA_IS_RADIO_ACTION (sibling_action) &&
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pika_radio_action_get_group (PIKA_RADIO_ACTION (sibling_action)) == pika_radio_action_get_group (PIKA_RADIO_ACTION (action)))
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group = gtk_radio_tool_button_get_group (GTK_RADIO_TOOL_BUTTON (sibling));
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}
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item = gtk_radio_tool_button_new (group);
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}
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else
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{
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item = gtk_toggle_tool_button_new ();
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}
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gtk_tool_button_set_label (GTK_TOOL_BUTTON (item), action_label);
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gtk_tool_button_set_icon_name (GTK_TOOL_BUTTON (item),
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pika_action_get_icon_name (PIKA_ACTION (action)));
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gtk_toggle_tool_button_set_active (GTK_TOGGLE_TOOL_BUTTON (item),
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pika_toggle_action_get_active (PIKA_TOGGLE_ACTION (action)));
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g_signal_connect (item, "toggled",
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G_CALLBACK (pika_toolbar_toggle_item_toggled),
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action);
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g_signal_connect_object (action, "toggled",
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G_CALLBACK (pika_toolbar_toggle_action_toggled),
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item, 0);
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}
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else if (PIKA_IS_PROCEDURE_ACTION (action) ||
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PIKA_IS_ENUM_ACTION (action))
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{
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item = gtk_tool_button_new (NULL, action_label);
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g_signal_connect_swapped (item, "clicked",
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G_CALLBACK (pika_action_activate),
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action);
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}
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else
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{
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item = gtk_tool_button_new (NULL, action_label);
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gtk_actionable_set_action_name (GTK_ACTIONABLE (item), action_name);
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}
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g_object_set_data (G_OBJECT (item), PIKA_TOOLBAR_ACTION_KEY, action);
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pika_action_set_proxy (PIKA_ACTION (action), GTK_WIDGET (item));
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gtk_widget_set_sensitive (GTK_WIDGET (item),
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pika_action_is_sensitive (PIKA_ACTION (action), NULL));
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g_signal_connect_object (action, "notify::sensitive",
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G_CALLBACK (pika_toolbar_action_notify_sensitive),
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item, 0);
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if (top)
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gtk_toolbar_insert (GTK_TOOLBAR (toolbar), item, 0);
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else
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gtk_toolbar_insert (GTK_TOOLBAR (toolbar), item, -1);
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visible = pika_action_is_visible (PIKA_ACTION (action));
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gtk_widget_set_visible (GTK_WIDGET (item), visible);
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g_signal_connect_object (action, "notify::visible",
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G_CALLBACK (pika_toolbar_action_notify_visible),
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item, 0);
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}
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static void
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pika_toolbar_toggle_item_toggled (GtkToggleToolButton *item,
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PikaToggleAction *action)
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{
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gboolean active = gtk_toggle_tool_button_get_active (item);
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g_signal_handlers_block_by_func (action,
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G_CALLBACK (pika_toolbar_toggle_action_toggled),
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item);
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pika_toggle_action_set_active (action, active);
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g_signal_handlers_unblock_by_func (action,
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G_CALLBACK (pika_toolbar_toggle_action_toggled),
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item);
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}
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static void
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pika_toolbar_toggle_action_toggled (PikaToggleAction *action,
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GtkToggleToolButton *item)
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{
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gboolean active = pika_toggle_action_get_active (action);
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g_signal_handlers_block_by_func (item,
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G_CALLBACK (pika_toolbar_toggle_item_toggled),
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action);
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gtk_toggle_tool_button_set_active (item, active);
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g_signal_handlers_unblock_by_func (item,
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G_CALLBACK (pika_toolbar_toggle_item_toggled),
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action);
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}
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static void
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pika_toolbar_action_notify_sensitive (PikaAction *action,
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const GParamSpec *pspec,
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GtkWidget *item)
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{
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gtk_widget_set_sensitive (item, pika_action_is_sensitive (action, NULL));
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}
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static void
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pika_toolbar_action_notify_visible (PikaAction *action,
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const GParamSpec *pspec,
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GtkWidget *item)
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{
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gtk_widget_set_visible (item, pika_action_is_visible (action));
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}
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