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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.
This commit is contained in:
Přemysl Eric Janouch 2010-12-12 17:56:59 +01:00
parent fdab244e2e
commit a56bfd6087
3 changed files with 60 additions and 75 deletions
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2
share/gui/window-main.ui
View File

@ -24,7 +24,7 @@
<menuitem action="About" />
</menu>
</menubar>
<toolbar action="MainToolbar">
<toolbar action="Toolbar">
<toolitem action="New" />
<toolitem action="Open" />
<toolitem action="Save" />

4
src/ld-canvas.c
View File

@ -177,6 +177,10 @@ ld_canvas_init (LdCanvas *self)
G_CALLBACK (on_expose_event), NULL);
g_signal_connect (self, "size-allocate",
G_CALLBACK (on_size_allocate), NULL);
gtk_widget_add_events (GTK_WIDGET (self),
GDK_POINTER_MOTION_MASK | GDK_POINTER_MOTION_HINT_MASK
| GDK_BUTTON_PRESS_MASK | GDK_BUTTON_RELEASE_MASK);
}
static void

129
src/ld-window-main.c
View File

@ -32,13 +32,12 @@
* #LdWindowMain is the main window of the application.
*/
/* NOTE: The main window should not maybe be included in either
* the documentation or the static library.
* the documentation or the static library.
*/
typedef struct _SymbolMenuItem SymbolMenuItem;
typedef struct _SymbolMenuData SymbolMenuData;
typedef struct _DocumentData DocumentData;
/*
* SymbolMenuItem:
@ -75,18 +74,6 @@ struct _SymbolMenuData
gint menu_y;
};
/*
* DocumentData:
*
* Data related to the current document.
*/
struct _DocumentData
{
LdDocument *document;
const gchar *file_name;
/* Canvas viewport settings (for multitabbed) */
};
struct _LdWindowMainPrivate
{
GtkUIManager *ui_manager;
@ -139,13 +126,13 @@ static void on_ui_proxy_disconnected (GtkUIManager *ui, GtkAction *action,
static void on_menu_item_selected (GtkWidget *item, LdWindowMain *window);
static void on_menu_item_deselected (GtkItem *item, LdWindowMain *window);
static void show_about_dialog (GtkAction *action, LdWindowMain *window);
static void on_action_about (GtkAction *action, LdWindowMain *self);
/* ===== Local variables =================================================== */
/* Actions for menus, toolbars, accelerators. */
static GtkActionEntry mw_actionEntries[] =
static GtkActionEntry wm_action_entries[] =
{
{"FileMenu", NULL, Q_("_File")},
{"New", GTK_STOCK_NEW, NULL, NULL,
@ -163,20 +150,23 @@ static GtkActionEntry mw_actionEntries[] =
G_CALLBACK (gtk_main_quit)},
{"EditMenu", NULL, Q_("_Edit")},
/* These are not probably going to show up in the 1st version of this app:
/* XXX: Don't implement these yet: */
/*
{"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,
Q_("Delete the contents of the selection"), NULL},
{"SelectAll", GTK_STOCK_SELECT_ALL, NULL, NULL,
Q_("Select all objects in the document"), NULL},
/* TODO: View menu (zooming). */
{"HelpMenu", NULL, Q_("_Help")},
{"About", GTK_STOCK_ABOUT, NULL, NULL,
Q_("Show a dialog about this application"),
G_CALLBACK (show_about_dialog)}
G_CALLBACK (on_action_about)}
};
@ -216,10 +206,7 @@ ld_window_main_init (LdWindowMain *self)
self->priv = priv = G_TYPE_INSTANCE_GET_PRIVATE
(self, LD_TYPE_WINDOW_MAIN, LdWindowMainPrivate);
priv->vbox = gtk_vbox_new (FALSE, 0);
gtk_container_add (GTK_CONTAINER (self), priv->vbox);
/* Construct menu and toolbar. */
priv->ui_manager = gtk_ui_manager_new ();
g_signal_connect (priv->ui_manager, "connect-proxy",
@ -227,10 +214,9 @@ ld_window_main_init (LdWindowMain *self)
g_signal_connect (priv->ui_manager, "disconnect-proxy",
G_CALLBACK (on_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_action_group_add_actions (action_group, wm_action_entries,
G_N_ELEMENTS (wm_action_entries), self);
gtk_ui_manager_insert_action_group (priv->ui_manager, action_group, 0);
error = NULL;
@ -242,45 +228,48 @@ ld_window_main_init (LdWindowMain *self)
g_error_free (error);
}
/* Load keyboard accelerators into the window. */
gtk_window_add_accel_group
(GTK_WINDOW (self), gtk_ui_manager_get_accel_group (priv->ui_manager));
priv->menu = gtk_ui_manager_get_widget (priv->ui_manager, "/MenuBar");
gtk_box_pack_start (GTK_BOX (priv->vbox), priv->menu, FALSE, FALSE, 0);
priv->toolbar = gtk_ui_manager_get_widget (priv->ui_manager, "/Toolbar");
/* Add the main toolbar. */
priv->toolbar = gtk_ui_manager_get_widget (priv->ui_manager,
"/MainToolbar");
gtk_box_pack_start (GTK_BOX (priv->vbox), priv->toolbar, 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 library toolbar. */
/* Create the remaining widgets. */
priv->library_toolbar = gtk_toolbar_new ();
/* NOTE: For GTK 2.16+, s/toolbar/orientable/ */
gtk_toolbar_set_orientation
(GTK_TOOLBAR (priv->library_toolbar), GTK_ORIENTATION_VERTICAL);
gtk_toolbar_set_icon_size
(GTK_TOOLBAR (priv->library_toolbar), GTK_ICON_SIZE_LARGE_TOOLBAR);
gtk_toolbar_set_style
(GTK_TOOLBAR (priv->library_toolbar), GTK_TOOLBAR_ICONS);
/* XXX: For GTK 2.16+, s/toolbar/orientable/ */
gtk_toolbar_set_orientation (GTK_TOOLBAR (priv->library_toolbar),
GTK_ORIENTATION_VERTICAL);
priv->canvas = ld_canvas_new ();
priv->canvas_window = gtk_scrolled_window_new (NULL, NULL);
gtk_container_add (GTK_CONTAINER (priv->canvas_window),
GTK_WIDGET (priv->canvas));
priv->statusbar = gtk_statusbar_new ();
priv->statusbar_menu_context_id = gtk_statusbar_get_context_id
(GTK_STATUSBAR (priv->statusbar), "menu");
/* Pack all widgets into the window. */
priv->hbox = gtk_hbox_new (FALSE, 0);
gtk_box_pack_start (GTK_BOX (priv->hbox), priv->library_toolbar,
FALSE, FALSE, 0);
gtk_box_pack_start (GTK_BOX (priv->hbox), priv->canvas_window,
TRUE, TRUE, 0);
/* Symbol library. */
priv->library = ld_library_new ();
ld_library_load (priv->library, PROJECT_SHARE_DIR "library");
priv->vbox = gtk_vbox_new (FALSE, 0);
gtk_box_pack_start (GTK_BOX (priv->vbox), priv->menu, FALSE, FALSE, 0);
gtk_box_pack_start (GTK_BOX (priv->vbox), priv->toolbar, FALSE, FALSE, 0);
gtk_box_pack_start (GTK_BOX (priv->vbox), priv->hbox, TRUE, TRUE, 0);
gtk_box_pack_end (GTK_BOX (priv->vbox), priv->statusbar, FALSE, FALSE, 0);
load_library_toolbar (self);
gtk_container_add (GTK_CONTAINER (self), priv->vbox);
/* TODO in the future: GtkHPaned */
/* Configure the window. */
g_signal_connect (self, "destroy", G_CALLBACK (gtk_main_quit), NULL);
/* Canvas. */
priv->canvas = ld_canvas_new ();
gtk_window_add_accel_group (GTK_WINDOW (self),
gtk_ui_manager_get_accel_group (priv->ui_manager));
gtk_window_set_default_size (GTK_WINDOW (self), 500, 400);
gtk_window_set_position (GTK_WINDOW (self), GTK_WIN_POS_CENTER);
/* Hook canvas signals. */
/* XXX: To be able to draw a symbol menu over the canvas, we may:
* 1. Hook the expose-event and button-{press,release}-event signals.
* 2. Create a hook mechanism in the LdCanvas object.
@ -293,11 +282,8 @@ ld_window_main_init (LdWindowMain *self)
"motion-notify-event", G_CALLBACK (on_canvas_motion_notify), self);
priv->symbol_menu.button_release_handler = g_signal_connect (priv->canvas,
"button-release-event", G_CALLBACK (on_canvas_button_release), self);
gtk_widget_add_events (GTK_WIDGET (priv->canvas),
GDK_POINTER_MOTION_MASK | GDK_POINTER_MOTION_HINT_MASK
| GDK_BUTTON_RELEASE_MASK | GDK_BUTTON_PRESS_MASK);
/* Don't render anything over the canvas yet. */
/* Don't process the signals yet. */
g_signal_handler_block (priv->canvas,
priv->symbol_menu.expose_handler);
g_signal_handler_block (priv->canvas,
@ -305,22 +291,17 @@ ld_window_main_init (LdWindowMain *self)
g_signal_handler_block (priv->canvas,
priv->symbol_menu.button_release_handler);
priv->canvas_window = gtk_scrolled_window_new (NULL, NULL);
gtk_container_add (GTK_CONTAINER (priv->canvas_window),
GTK_WIDGET (priv->canvas));
gtk_box_pack_start (GTK_BOX (priv->hbox), GTK_WIDGET (priv->canvas_window),
TRUE, TRUE, 0);
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);
/* Proceed to showing the window. */
g_signal_connect (self, "destroy", G_CALLBACK (gtk_main_quit), NULL);
/* Initialize the backend. */
priv->library = ld_library_new ();
ld_library_load (priv->library, PROJECT_SHARE_DIR "library");
gtk_window_set_default_size (GTK_WINDOW (self), 500, 400);
gtk_window_set_position (GTK_WINDOW (self), GTK_WIN_POS_CENTER);
ld_canvas_set_library (priv->canvas, priv->library);
load_library_toolbar (self);
/* Realize the window. */
gtk_widget_show_all (GTK_WIDGET (self));
}
@ -417,7 +398,6 @@ load_category_cb (gpointer data, gpointer user_data)
*
* Make the area for symbol menu redraw itself.
*/
/* XXX: Ideally it should repaint just what's needed. */
static void
redraw_symbol_menu (LdWindowMain *self)
{
@ -619,6 +599,7 @@ on_canvas_motion_notify (GtkWidget *widget, GdkEventMotion *event,
x += data->items[i].width;
if (event->x < x)
{
/* TODO: Show the human name of this symbol in status bar. */
data->active_item = i;
redraw_symbol_menu (self);
return FALSE;
@ -711,9 +692,9 @@ on_menu_item_deselected (GtkItem *item, LdWindowMain *window)
}
static void
show_about_dialog (GtkAction *action, LdWindowMain *window)
on_action_about (GtkAction *action, LdWindowMain *self)
{
gtk_show_about_dialog (GTK_WINDOW (window),
gtk_show_about_dialog (GTK_WINDOW (self),
"program-name", PROJECT_NAME,
"version", PROJECT_VERSION,
"copyright", "Copyright Přemysl Janouch 2010",