logdiag/src/window-main.c

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2010-09-13 19:24:53 +02:00
/*
* window-main.c
*
* This file is a part of logdiag.
* Copyright Přemysl Janouch 2010. All rights reserved.
*
* See the file LICENSE for licensing information.
*
*/
#include <gtk/gtk.h>
#include "config.h"
#include "window-main.h"
#include "symbol-library.h"
#include "symbol-category.h"
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/**
* SECTION:window-main
* @short_description: The main application window.
*
* #LogdiagWindowMain is the main window of the application.
*/
/* NOTE: The main window should not maybe be included in either
* the documentation or the static library.
*/
/* Private members of the window. */
struct _LogdiagWindowMainPrivate
{
GtkWidget *vbox;
GtkWidget *hbox;
GtkWidget *menu;
GtkWidget *toolbar;
LogdiagSymbolLibrary *library;
GtkWidget *statusbar;
guint statusbar_menu_context_id;
};
/* Define the type. */
G_DEFINE_TYPE (LogdiagWindowMain, logdiag_window_main, GTK_TYPE_WINDOW);
/* ===== Local functions =================================================== */
/*
* cb_load_category:
*
* A hashtable foreach callback for adding categories into the toolbar.
*/
static void
cb_load_category (gpointer key, gpointer value, gpointer user_data);
/*
* load_toolbar:
*
* Load symbols from the library into the toolbar.
*/
static void
load_toolbar (LogdiagWindowMain *self);
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/*
* cb_ui_proxy_connected:
*
* An item was connected to the manager.
*/
static void
cb_ui_proxy_connected (GtkUIManager *ui, GtkAction *action,
GtkWidget *proxy, LogdiagWindowMain *window);
/*
* cb_ui_proxy_disconnected:
*
* An item was disconnected from the manager.
*/
static void
cb_ui_proxy_disconnected (GtkUIManager *ui, GtkAction *action,
GtkWidget *proxy, LogdiagWindowMain *window);
/* A menu item was selected. */
static void
cb_menu_item_selected (GtkWidget *item, LogdiagWindowMain *window);
/* A menu item was deselected. */
static void
cb_menu_item_deselected (GtkItem *item, LogdiagWindowMain *window);
/* Show the about dialog. */
static void
cb_show_about_dialog (GtkAction *action, LogdiagWindowMain *window);
/* ===== Local variables =================================================== */
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/* Actions for menus, toolbars, accelerators. */
static GtkActionEntry mw_actionEntries[] =
{
{"FileMenu", NULL, Q_("_File")},
{"New", GTK_STOCK_NEW, NULL, NULL,
Q_("Create a new document"), NULL},
{"Open", GTK_STOCK_OPEN, NULL, NULL,
Q_("Open a document"), NULL},
{"Save", GTK_STOCK_SAVE, NULL, NULL,
Q_("Save the current document"), NULL},
{"SaveAs", GTK_STOCK_SAVE_AS, NULL, NULL,
Q_("Save the current document with another name"), NULL},
{"Export", NULL, Q_("_Export"), NULL,
Q_("Export the document"), NULL},
{"Quit", GTK_STOCK_QUIT, NULL, NULL,
Q_("Quit the program"), NULL},
{"EditMenu", NULL, Q_("_Edit")},
{"Cut", GTK_STOCK_CUT, NULL, NULL, NULL, NULL},
{"Copy", GTK_STOCK_COPY, NULL, NULL, NULL, NULL},
{"Paste", GTK_STOCK_PASTE, NULL, NULL, NULL, NULL},
{"Delete", GTK_STOCK_DELETE, NULL, NULL, NULL, NULL},
{"SelectAll", GTK_STOCK_SELECT_ALL, NULL, NULL, NULL, NULL},
{"HelpMenu", NULL, Q_("_Help")},
{"About", GTK_STOCK_ABOUT, NULL, NULL, NULL,
G_CALLBACK(cb_show_about_dialog)}
};
/**
* logdiag_window_main_new:
*
* Create an instance.
*/
GtkWidget *
logdiag_window_main_new (void)
{
return g_object_new (LOGDIAG_TYPE_WINDOW_MAIN, NULL);
}
static void
logdiag_window_main_class_init (LogdiagWindowMainClass *klass)
{
GObjectClass *object_class;
GtkWidgetClass *widget_class;
object_class = G_OBJECT_CLASS (klass);
widget_class = GTK_WIDGET_CLASS (klass);
g_type_class_add_private (klass, sizeof (LogdiagWindowMainPrivate));
}
static void
logdiag_window_main_init (LogdiagWindowMain *self)
{
LogdiagWindowMainPrivate *priv;
GtkActionGroup *action_group;
GtkUIManager *ui_manager;
GError *error;
self->priv = priv = G_TYPE_INSTANCE_GET_PRIVATE
(self, LOGDIAG_TYPE_WINDOW_MAIN, LogdiagWindowMainPrivate);
priv->vbox = gtk_vbox_new (FALSE, 0);
gtk_container_add (GTK_CONTAINER (self), priv->vbox);
ui_manager = gtk_ui_manager_new ();
/* TODO: Show tooltips in the statusbar:
* http://git.gnome.org/browse/glade3/tree/src/glade-window.c : 2165
*/
g_signal_connect (ui_manager, "connect-proxy",
G_CALLBACK (cb_ui_proxy_connected), self);
g_signal_connect (ui_manager, "disconnect-proxy",
G_CALLBACK (cb_ui_proxy_disconnected), self);
/* Prepare our actions. */
action_group = gtk_action_group_new ("MainActions");
gtk_action_group_add_actions (action_group,
mw_actionEntries, G_N_ELEMENTS (mw_actionEntries), self);
gtk_ui_manager_insert_action_group (ui_manager, action_group, 0);
error = NULL;
gtk_ui_manager_add_ui_from_file
(ui_manager, PROJECT_SHARE_DIR "gui/window-main.ui", &error);
if (error)
{
g_message (_("Building UI failed: %s"), error->message);
g_error_free (error);
}
/* Load keyboard accelerators into the window. */
gtk_window_add_accel_group
(GTK_WINDOW (self), gtk_ui_manager_get_accel_group (ui_manager));
priv->menu = gtk_ui_manager_get_widget (ui_manager, "/MenuBar");
gtk_box_pack_start (GTK_BOX (priv->vbox), priv->menu, FALSE, FALSE, 0);
priv->hbox = gtk_hbox_new(FALSE, 0);
gtk_box_pack_start (GTK_BOX (priv->vbox), priv->hbox, TRUE, TRUE, 0);
/* Add the symbol toolbar. */
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priv->toolbar = gtk_toolbar_new ();
/* NOTE: For GTK 2.16+, s/toolbar/orientable/ */
gtk_toolbar_set_orientation
(GTK_TOOLBAR (priv->toolbar), GTK_ORIENTATION_VERTICAL);
gtk_toolbar_set_icon_size
(GTK_TOOLBAR (priv->toolbar), GTK_ICON_SIZE_LARGE_TOOLBAR);
gtk_toolbar_set_style
(GTK_TOOLBAR (priv->toolbar), GTK_TOOLBAR_ICONS);
gtk_box_pack_start (GTK_BOX (priv->hbox), priv->toolbar, FALSE, FALSE, 0);
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/* Symbol library. */
priv->library = logdiag_symbol_library_new ();
logdiag_symbol_library_load (priv->library, PROJECT_SHARE_DIR "library");
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load_toolbar (self);
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/* TODO: GtkHPaned */
priv->statusbar = gtk_statusbar_new ();
priv->statusbar_menu_context_id = gtk_statusbar_get_context_id
(GTK_STATUSBAR (priv->statusbar), "menu");
gtk_box_pack_end (GTK_BOX (priv->vbox), priv->statusbar, FALSE, FALSE, 0);
/* Do this on disposal. */
/* g_object_unref(ui_manager); */
/* Proceed to showing the window. */
g_signal_connect (self, "destroy", G_CALLBACK (gtk_main_quit), NULL);
gtk_window_set_default_size (GTK_WINDOW (self), 500, 400);
gtk_widget_show_all (GTK_WIDGET (self));
}
static void
cb_load_category (gpointer key, gpointer value, gpointer user_data)
{
const gchar *name;
LogdiagSymbolCategory *cat;
LogdiagWindowMain *self;
GdkPixbuf *pbuf;
GtkWidget *img;
GtkToolItem *item;
name = key;
cat = value;
self = user_data;
g_return_if_fail (key != NULL);
g_return_if_fail (LOGDIAG_IS_SYMBOL_CATEGORY (cat));
/* XXX: Hardcoded icon width, unref? */
pbuf = gdk_pixbuf_new_from_file_at_size (cat->image_path, 32, -1, NULL);
if (!pbuf)
return;
img = gtk_image_new_from_pixbuf (pbuf);
g_object_unref (pbuf);
item = gtk_tool_button_new (img, name);
gtk_tool_item_set_tooltip_text (item, name);
gtk_toolbar_insert (GTK_TOOLBAR (self->priv->toolbar), item, 0);
}
static void
load_toolbar (LogdiagWindowMain *self)
{
/* TODO: Clear the toolbar first, if there was already something in it. */
g_hash_table_foreach (self->priv->library->categories,
cb_load_category, self);
}
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static void
cb_ui_proxy_connected (GtkUIManager *ui, GtkAction *action,
GtkWidget *proxy, LogdiagWindowMain *window)
{
if (GTK_IS_MENU_ITEM (proxy))
{
g_signal_connect (proxy, "select",
G_CALLBACK (cb_menu_item_selected), window);
g_signal_connect (proxy, "deselect",
G_CALLBACK (cb_menu_item_deselected), window);
}
}
static void
cb_ui_proxy_disconnected (GtkUIManager *ui, GtkAction *action,
GtkWidget *proxy, LogdiagWindowMain *window)
{
if (GTK_IS_MENU_ITEM (proxy))
{
g_signal_handlers_disconnect_by_func
(proxy, G_CALLBACK (cb_menu_item_selected), window);
g_signal_handlers_disconnect_by_func
(proxy, G_CALLBACK (cb_menu_item_deselected), window);
}
}
static void
cb_menu_item_selected (GtkWidget *item, LogdiagWindowMain *window)
{
GtkAction *action;
gchar *tooltip;
action = gtk_activatable_get_related_action (GTK_ACTIVATABLE (item));
g_object_get (G_OBJECT (action), "tooltip", &tooltip, NULL);
if (tooltip != NULL)
gtk_statusbar_push (GTK_STATUSBAR (window->priv->statusbar),
window->priv->statusbar_menu_context_id, tooltip);
g_free (tooltip);
}
static void
cb_menu_item_deselected (GtkItem *item, LogdiagWindowMain *window)
{
gtk_statusbar_pop (GTK_STATUSBAR (window->priv->statusbar),
window->priv->statusbar_menu_context_id);
}
static void
cb_show_about_dialog (GtkAction *action, LogdiagWindowMain *window)
{
gtk_show_about_dialog (GTK_WINDOW (window),
"program-name", PROJECT_NAME,
"version", PROJECT_VERSION,
"copyright", "Copyright Přemysl Janouch 2010",
NULL);
}