LdWindowMain cleanup.
* Restructure the initialization code. * Move LdCanvas event mask setting to ld-canvas.c. * Remove some redundant code. * Use consistent naming. * Update comments. Practically no functional change.
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@ -24,7 +24,7 @@
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<menuitem action="About" />
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</menu>
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</menubar>
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<toolbar action="MainToolbar">
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<toolbar action="Toolbar">
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<toolitem action="New" />
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<toolitem action="Open" />
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<toolitem action="Save" />
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@ -177,6 +177,10 @@ ld_canvas_init (LdCanvas *self)
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G_CALLBACK (on_expose_event), NULL);
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g_signal_connect (self, "size-allocate",
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G_CALLBACK (on_size_allocate), NULL);
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gtk_widget_add_events (GTK_WIDGET (self),
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GDK_POINTER_MOTION_MASK | GDK_POINTER_MOTION_HINT_MASK
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| GDK_BUTTON_PRESS_MASK | GDK_BUTTON_RELEASE_MASK);
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}
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static void
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@ -32,13 +32,12 @@
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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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* the documentation or the static library.
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*/
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typedef struct _SymbolMenuItem SymbolMenuItem;
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typedef struct _SymbolMenuData SymbolMenuData;
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typedef struct _DocumentData DocumentData;
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/*
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* SymbolMenuItem:
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@ -75,18 +74,6 @@ struct _SymbolMenuData
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gint menu_y;
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};
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/*
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* DocumentData:
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*
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* Data related to the current document.
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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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struct _LdWindowMainPrivate
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{
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GtkUIManager *ui_manager;
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@ -139,13 +126,13 @@ static void on_ui_proxy_disconnected (GtkUIManager *ui, GtkAction *action,
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static void on_menu_item_selected (GtkWidget *item, LdWindowMain *window);
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static void on_menu_item_deselected (GtkItem *item, LdWindowMain *window);
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static void show_about_dialog (GtkAction *action, LdWindowMain *window);
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static void on_action_about (GtkAction *action, LdWindowMain *self);
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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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static GtkActionEntry wm_action_entries[] =
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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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@ -163,20 +150,23 @@ static GtkActionEntry mw_actionEntries[] =
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G_CALLBACK (gtk_main_quit)},
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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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/* XXX: Don't implement these yet: */
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/*
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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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*/
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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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/* TODO: View menu (zooming). */
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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 (show_about_dialog)}
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G_CALLBACK (on_action_about)}
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};
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@ -216,10 +206,7 @@ ld_window_main_init (LdWindowMain *self)
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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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/* Construct menu and toolbar. */
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priv->ui_manager = gtk_ui_manager_new ();
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g_signal_connect (priv->ui_manager, "connect-proxy",
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@ -227,10 +214,9 @@ ld_window_main_init (LdWindowMain *self)
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g_signal_connect (priv->ui_manager, "disconnect-proxy",
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G_CALLBACK (on_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_action_group_add_actions (action_group, wm_action_entries,
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G_N_ELEMENTS (wm_action_entries), 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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@ -242,45 +228,48 @@ ld_window_main_init (LdWindowMain *self)
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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->toolbar = gtk_ui_manager_get_widget (priv->ui_manager, "/Toolbar");
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/* Add the main toolbar. */
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priv->toolbar = gtk_ui_manager_get_widget (priv->ui_manager,
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"/MainToolbar");
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gtk_box_pack_start (GTK_BOX (priv->vbox), priv->toolbar, 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 library toolbar. */
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/* Create the remaining widgets. */
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priv->library_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->library_toolbar), GTK_ORIENTATION_VERTICAL);
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gtk_toolbar_set_icon_size
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(GTK_TOOLBAR (priv->library_toolbar), GTK_ICON_SIZE_LARGE_TOOLBAR);
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gtk_toolbar_set_style
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(GTK_TOOLBAR (priv->library_toolbar), GTK_TOOLBAR_ICONS);
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/* XXX: For GTK 2.16+, s/toolbar/orientable/ */
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gtk_toolbar_set_orientation (GTK_TOOLBAR (priv->library_toolbar),
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GTK_ORIENTATION_VERTICAL);
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priv->canvas = ld_canvas_new ();
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priv->canvas_window = gtk_scrolled_window_new (NULL, NULL);
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gtk_container_add (GTK_CONTAINER (priv->canvas_window),
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GTK_WIDGET (priv->canvas));
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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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/* Pack all widgets into the window. */
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priv->hbox = gtk_hbox_new (FALSE, 0);
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gtk_box_pack_start (GTK_BOX (priv->hbox), priv->library_toolbar,
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FALSE, FALSE, 0);
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gtk_box_pack_start (GTK_BOX (priv->hbox), priv->canvas_window,
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TRUE, TRUE, 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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priv->vbox = gtk_vbox_new (FALSE, 0);
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gtk_box_pack_start (GTK_BOX (priv->vbox), priv->menu, FALSE, FALSE, 0);
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gtk_box_pack_start (GTK_BOX (priv->vbox), priv->toolbar, FALSE, FALSE, 0);
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gtk_box_pack_start (GTK_BOX (priv->vbox), priv->hbox, TRUE, TRUE, 0);
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gtk_box_pack_end (GTK_BOX (priv->vbox), priv->statusbar, FALSE, FALSE, 0);
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load_library_toolbar (self);
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gtk_container_add (GTK_CONTAINER (self), priv->vbox);
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/* TODO in the future: GtkHPaned */
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/* Configure the window. */
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g_signal_connect (self, "destroy", G_CALLBACK (gtk_main_quit), NULL);
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/* Canvas. */
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priv->canvas = ld_canvas_new ();
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gtk_window_add_accel_group (GTK_WINDOW (self),
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gtk_ui_manager_get_accel_group (priv->ui_manager));
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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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/* Hook canvas signals. */
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/* XXX: To be able to draw a symbol menu over the canvas, we may:
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* 1. Hook the expose-event and button-{press,release}-event signals.
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* 2. Create a hook mechanism in the LdCanvas object.
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@ -293,11 +282,8 @@ ld_window_main_init (LdWindowMain *self)
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"motion-notify-event", G_CALLBACK (on_canvas_motion_notify), self);
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priv->symbol_menu.button_release_handler = g_signal_connect (priv->canvas,
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"button-release-event", G_CALLBACK (on_canvas_button_release), self);
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gtk_widget_add_events (GTK_WIDGET (priv->canvas),
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GDK_POINTER_MOTION_MASK | GDK_POINTER_MOTION_HINT_MASK
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| GDK_BUTTON_RELEASE_MASK | GDK_BUTTON_PRESS_MASK);
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/* Don't render anything over the canvas yet. */
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/* Don't process the signals yet. */
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g_signal_handler_block (priv->canvas,
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priv->symbol_menu.expose_handler);
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g_signal_handler_block (priv->canvas,
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@ -305,22 +291,17 @@ ld_window_main_init (LdWindowMain *self)
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g_signal_handler_block (priv->canvas,
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priv->symbol_menu.button_release_handler);
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priv->canvas_window = gtk_scrolled_window_new (NULL, NULL);
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gtk_container_add (GTK_CONTAINER (priv->canvas_window),
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GTK_WIDGET (priv->canvas));
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gtk_box_pack_start (GTK_BOX (priv->hbox), GTK_WIDGET (priv->canvas_window),
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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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/* Initialize the backend. */
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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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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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ld_canvas_set_library (priv->canvas, priv->library);
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load_library_toolbar (self);
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/* Realize the window. */
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gtk_widget_show_all (GTK_WIDGET (self));
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}
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@ -417,7 +398,6 @@ load_category_cb (gpointer data, gpointer user_data)
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*
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* Make the area for symbol menu redraw itself.
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*/
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/* XXX: Ideally it should repaint just what's needed. */
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static void
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redraw_symbol_menu (LdWindowMain *self)
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{
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@ -619,6 +599,7 @@ on_canvas_motion_notify (GtkWidget *widget, GdkEventMotion *event,
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x += data->items[i].width;
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if (event->x < x)
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{
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/* TODO: Show the human name of this symbol in status bar. */
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data->active_item = i;
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redraw_symbol_menu (self);
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return FALSE;
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@ -711,9 +692,9 @@ on_menu_item_deselected (GtkItem *item, LdWindowMain *window)
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}
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static void
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show_about_dialog (GtkAction *action, LdWindowMain *window)
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on_action_about (GtkAction *action, LdWindowMain *self)
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{
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gtk_show_about_dialog (GTK_WINDOW (window),
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gtk_show_about_dialog (GTK_WINDOW (self),
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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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