385 lines
9.7 KiB
C
385 lines
9.7 KiB
C
/*
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* ld-window-main.c
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*
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* This file is a part of logdiag.
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* Copyright Přemysl Janouch 2010. All rights reserved.
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*
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* See the file LICENSE for licensing information.
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*
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*/
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#include <gtk/gtk.h>
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#include "config.h"
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#include "ld-window-main.h"
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#include "ld-document.h"
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#include "ld-canvas.h"
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#include "ld-library.h"
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#include "ld-symbol-category.h"
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#include "ld-symbol.h"
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/**
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* SECTION:ld-window-main
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* @short_description: The main application window.
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*
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* #LdWindowMain is the main window of the application.
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*/
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/* NOTE: The main window should not maybe be included in either
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* the documentation or the static library.
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*/
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/* Private members of the window. */
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struct _LdWindowMainPrivate
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{
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GtkUIManager *ui_manager;
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GtkWidget *vbox;
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GtkWidget *hbox;
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GtkWidget *menu;
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GtkWidget *toolbar;
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LdLibrary *library;
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LdCanvas *canvas;
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GtkWidget *statusbar;
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guint statusbar_menu_context_id;
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};
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struct DocumentData
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{
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LdDocument *document;
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const gchar *file_name;
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/* Canvas viewport settings (for multitabbed) */
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};
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/* Define the type. */
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G_DEFINE_TYPE (LdWindowMain, ld_window_main, GTK_TYPE_WINDOW);
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#define TOOLBAR_ICON_WIDTH 32
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/* ===== Local functions =================================================== */
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static void
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ld_window_main_finalize (GObject *gobject);
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static void
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cb_load_category (gpointer key, gpointer value, gpointer user_data);
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static void
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load_toolbar (LdWindowMain *self);
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static void
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cb_ui_proxy_connected (GtkUIManager *ui, GtkAction *action,
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GtkWidget *proxy, LdWindowMain *window);
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static void
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cb_ui_proxy_disconnected (GtkUIManager *ui, GtkAction *action,
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GtkWidget *proxy, LdWindowMain *window);
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static void
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cb_menu_item_selected (GtkWidget *item, LdWindowMain *window);
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static void
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cb_menu_item_deselected (GtkItem *item, LdWindowMain *window);
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static void
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cb_show_about_dialog (GtkAction *action, LdWindowMain *window);
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/* ===== Local variables =================================================== */
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/* Actions for menus, toolbars, accelerators. */
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static GtkActionEntry mw_actionEntries[] =
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{
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{"FileMenu", NULL, Q_("_File")},
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{"New", GTK_STOCK_NEW, NULL, NULL,
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Q_("Create a new document"), NULL},
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{"Open", GTK_STOCK_OPEN, NULL, NULL,
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Q_("Open a document"), NULL},
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{"Save", GTK_STOCK_SAVE, NULL, NULL,
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Q_("Save the current document"), NULL},
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{"SaveAs", GTK_STOCK_SAVE_AS, NULL, NULL,
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Q_("Save the current document with another name"), NULL},
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{"Export", NULL, Q_("_Export"), NULL,
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Q_("Export the document"), NULL},
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{"Quit", GTK_STOCK_QUIT, NULL, NULL,
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Q_("Quit the application"), NULL},
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{"EditMenu", NULL, Q_("_Edit")},
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/* These are not probably going to show up in the 1st version of this app:
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{"Cut", GTK_STOCK_CUT, NULL, NULL, NULL, NULL},
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{"Copy", GTK_STOCK_COPY, NULL, NULL, NULL, NULL},
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{"Paste", GTK_STOCK_PASTE, NULL, NULL, NULL, NULL},
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*/
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{"Delete", GTK_STOCK_DELETE, NULL, NULL,
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Q_("Delete the contents of the selection"), NULL},
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{"SelectAll", GTK_STOCK_SELECT_ALL, NULL, NULL,
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Q_("Select all objects in the document"), NULL},
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{"HelpMenu", NULL, Q_("_Help")},
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{"About", GTK_STOCK_ABOUT, NULL, NULL,
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Q_("Show a dialog about this application"),
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G_CALLBACK(cb_show_about_dialog)}
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};
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/**
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* ld_window_main_new:
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*
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* Create an instance.
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*/
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GtkWidget *
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ld_window_main_new (void)
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{
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return g_object_new (LD_TYPE_WINDOW_MAIN, NULL);
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}
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static void
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ld_window_main_class_init (LdWindowMainClass *klass)
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{
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GObjectClass *object_class;
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GtkWidgetClass *widget_class;
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object_class = G_OBJECT_CLASS (klass);
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object_class->finalize = ld_window_main_finalize;
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widget_class = GTK_WIDGET_CLASS (klass);
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g_type_class_add_private (klass, sizeof (LdWindowMainPrivate));
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}
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static void
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ld_window_main_init (LdWindowMain *self)
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{
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LdWindowMainPrivate *priv;
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GtkActionGroup *action_group;
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GError *error;
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self->priv = priv = G_TYPE_INSTANCE_GET_PRIVATE
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(self, LD_TYPE_WINDOW_MAIN, LdWindowMainPrivate);
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priv->vbox = gtk_vbox_new (FALSE, 0);
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gtk_container_add (GTK_CONTAINER (self), priv->vbox);
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priv->ui_manager = gtk_ui_manager_new ();
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/* Reference:
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* http://git.gnome.org/browse/glade3/tree/src/glade-window.c : 2165
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*/
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g_signal_connect (priv->ui_manager, "connect-proxy",
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G_CALLBACK (cb_ui_proxy_connected), self);
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g_signal_connect (priv->ui_manager, "disconnect-proxy",
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G_CALLBACK (cb_ui_proxy_disconnected), self);
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/* Prepare our actions. */
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action_group = gtk_action_group_new ("MainActions");
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gtk_action_group_add_actions (action_group,
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mw_actionEntries, G_N_ELEMENTS (mw_actionEntries), self);
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gtk_ui_manager_insert_action_group (priv->ui_manager, action_group, 0);
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error = NULL;
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gtk_ui_manager_add_ui_from_file
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(priv->ui_manager, PROJECT_SHARE_DIR "gui/window-main.ui", &error);
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if (error)
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{
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g_message (_("Building UI failed: %s"), error->message);
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g_error_free (error);
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}
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/* Load keyboard accelerators into the window. */
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gtk_window_add_accel_group
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(GTK_WINDOW (self), gtk_ui_manager_get_accel_group (priv->ui_manager));
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priv->menu = gtk_ui_manager_get_widget (priv->ui_manager, "/MenuBar");
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gtk_box_pack_start (GTK_BOX (priv->vbox), priv->menu, FALSE, FALSE, 0);
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priv->hbox = gtk_hbox_new(FALSE, 0);
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gtk_box_pack_start (GTK_BOX (priv->vbox), priv->hbox, TRUE, TRUE, 0);
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/* Add the symbol toolbar. */
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priv->toolbar = gtk_toolbar_new ();
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/* NOTE: For GTK 2.16+, s/toolbar/orientable/ */
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gtk_toolbar_set_orientation
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(GTK_TOOLBAR (priv->toolbar), GTK_ORIENTATION_VERTICAL);
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gtk_toolbar_set_icon_size
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(GTK_TOOLBAR (priv->toolbar), GTK_ICON_SIZE_LARGE_TOOLBAR);
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gtk_toolbar_set_style
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(GTK_TOOLBAR (priv->toolbar), GTK_TOOLBAR_ICONS);
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gtk_box_pack_start (GTK_BOX (priv->hbox), priv->toolbar, FALSE, FALSE, 0);
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/* Symbol library. */
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priv->library = ld_library_new ();
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ld_library_load (priv->library, PROJECT_SHARE_DIR "library");
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load_toolbar (self);
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/* TODO in the future: GtkHPaned */
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/* Canvas. */
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/* TODO: Put it into a GtkScrolledWindow. */
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priv->canvas = ld_canvas_new ();
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gtk_box_pack_start (GTK_BOX (priv->hbox), GTK_WIDGET (priv->canvas),
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TRUE, TRUE, 0);
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priv->statusbar = gtk_statusbar_new ();
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priv->statusbar_menu_context_id = gtk_statusbar_get_context_id
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(GTK_STATUSBAR (priv->statusbar), "menu");
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gtk_box_pack_end (GTK_BOX (priv->vbox), priv->statusbar, FALSE, FALSE, 0);
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/* Proceed to showing the window. */
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g_signal_connect (self, "destroy", G_CALLBACK (gtk_main_quit), NULL);
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gtk_window_set_default_size (GTK_WINDOW (self), 500, 400);
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gtk_window_set_position (GTK_WINDOW (self), GTK_WIN_POS_CENTER);
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gtk_widget_show_all (GTK_WIDGET (self));
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}
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/*
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* ld_window_main_finalize:
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*
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* Dispose of all the resources owned by this window.
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*/
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static void
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ld_window_main_finalize (GObject *gobject)
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{
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LdWindowMain *self;
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self = LD_WINDOW_MAIN (gobject);
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/* Dispose of objects. Note that GtkObject has floating ref. by default
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* and gtk_object_destroy () should be used for it.
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*/
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g_object_unref (self->priv->library);
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g_object_unref (self->priv->ui_manager);
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/* Chain up to the parent class. */
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G_OBJECT_CLASS (ld_window_main_parent_class)->finalize (gobject);
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}
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/*
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* cb_load_category:
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*
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* A hashtable foreach callback for adding categories into the toolbar.
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*/
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static void
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cb_load_category (gpointer key, gpointer value, gpointer user_data)
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{
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const gchar *name;
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LdSymbolCategory *cat;
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LdWindowMain *self;
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GdkPixbuf *pbuf;
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GtkWidget *img;
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GtkToolItem *item;
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name = key;
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cat = value;
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self = user_data;
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g_return_if_fail (key != NULL);
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g_return_if_fail (LD_IS_SYMBOL_CATEGORY (cat));
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pbuf = gdk_pixbuf_new_from_file_at_size
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(cat->image_path, TOOLBAR_ICON_WIDTH, -1, NULL);
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g_return_if_fail (pbuf != NULL);
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img = gtk_image_new_from_pixbuf (pbuf);
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g_object_unref (pbuf);
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item = gtk_tool_button_new (img, name);
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gtk_tool_item_set_tooltip_text (item, name);
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gtk_toolbar_insert (GTK_TOOLBAR (self->priv->toolbar), item, 0);
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}
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/*
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* load_toolbar:
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*
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* Load symbols from the library into the toolbar.
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*/
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static void
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load_toolbar (LdWindowMain *self)
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{
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/* Clear the toolbar first, if there was already something in it. */
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gtk_container_foreach (GTK_CONTAINER (self->priv->toolbar),
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(GtkCallback) gtk_widget_destroy, NULL);
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g_hash_table_foreach (self->priv->library->categories,
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cb_load_category, self);
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}
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/*
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* cb_ui_proxy_connected:
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*
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* An item was connected to the manager.
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*/
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static void
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cb_ui_proxy_connected (GtkUIManager *ui, GtkAction *action,
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GtkWidget *proxy, LdWindowMain *window)
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{
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if (GTK_IS_MENU_ITEM (proxy))
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{
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g_signal_connect (proxy, "select",
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G_CALLBACK (cb_menu_item_selected), window);
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g_signal_connect (proxy, "deselect",
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G_CALLBACK (cb_menu_item_deselected), window);
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}
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}
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/*
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* cb_ui_proxy_disconnected:
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*
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* An item was disconnected from the manager.
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*/
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static void
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cb_ui_proxy_disconnected (GtkUIManager *ui, GtkAction *action,
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GtkWidget *proxy, LdWindowMain *window)
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{
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if (GTK_IS_MENU_ITEM (proxy))
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{
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g_signal_handlers_disconnect_by_func
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(proxy, G_CALLBACK (cb_menu_item_selected), window);
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g_signal_handlers_disconnect_by_func
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(proxy, G_CALLBACK (cb_menu_item_deselected), window);
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}
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}
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static void
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cb_menu_item_selected (GtkWidget *item, LdWindowMain *window)
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{
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GtkAction *action;
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gchar *tooltip;
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action = gtk_activatable_get_related_action (GTK_ACTIVATABLE (item));
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g_object_get (G_OBJECT (action), "tooltip", &tooltip, NULL);
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if (tooltip != NULL)
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gtk_statusbar_push (GTK_STATUSBAR (window->priv->statusbar),
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window->priv->statusbar_menu_context_id, tooltip);
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g_free (tooltip);
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}
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static void
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cb_menu_item_deselected (GtkItem *item, LdWindowMain *window)
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{
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gtk_statusbar_pop (GTK_STATUSBAR (window->priv->statusbar),
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window->priv->statusbar_menu_context_id);
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}
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static void
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cb_show_about_dialog (GtkAction *action, LdWindowMain *window)
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{
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gtk_show_about_dialog (GTK_WINDOW (window),
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"program-name", PROJECT_NAME,
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"version", PROJECT_VERSION,
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"copyright", "Copyright Přemysl Janouch 2010",
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NULL);
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}
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