Provide the right edit menu sensitivity for the register page.

git-svn-id: svn+ssh://svn.gnucash.org/repo/gnucash/trunk@13384 57a11ea4-9604-0410-9ed3-97b8803252fd

ChangeLog

@@ -1,5 +1,15 @@
 2006-02-24  David Hampton  <hampton@employees.org>
 
+	* src/register/register-gnome/gnucash-sheet.[ch]:
+	* src/register/register-gnome/gnucash-item-edit.[ch]:
+	* src/gnome/gnc-plugin-page-register.c: Override the generic edit
+	menu sensitivity code to provide the right sensitivity for the
+	entry widget buried in the register.
+
+	* src/gnome-utils/gnc-main-window.c:
+	* src/gnome-utils/gnc-plugin-page.h: Provide a hook for pages to
+	override the generic edit menu sensitivity code.
+
 	* src/gnome-utils/ui/gnc-main-window-ui.xml:
 	* src/gnome-utils/gnc-main-window.c: Remove unnecessary menu
 	item. The same functionality exists in the "Menus & Toolbars"

src/gnome-utils/gnc-main-window.c

@@ -354,9 +354,6 @@ static const gchar *gnc_menu_important_actions[] = {
  *  have meaning. */
 static const gchar *always_insensitive_actions[] = {
 	"FilePrintAction",
-	"EditCutAction",
-	"EditCopyAction",
-	"EditPasteAction",
 	NULL
 };
 
@@ -2171,10 +2168,19 @@ gnc_main_window_update_toolbar (GncMainWindow *window)
 static void
 gnc_main_window_update_edit_actions_sensitivity (GncMainWindow *window, gboolean hide)
 {
+	GncMainWindowPrivate *priv;
+	GncPluginPage *page;
 	GtkWidget *widget = gtk_window_get_focus (GTK_WINDOW (window));
 	GtkAction *action;
 	gboolean can_copy = FALSE, can_cut = FALSE, can_paste = FALSE;
 
+	priv = GNC_MAIN_WINDOW_GET_PRIVATE(window);
+	page = priv->current_page;
+	if (GNC_PLUGIN_PAGE_GET_CLASS(page)->update_edit_menu_actions) {
+	  (GNC_PLUGIN_PAGE_GET_CLASS(page)->update_edit_menu_actions)(page, hide);
+	  return;
+	}
+	
 	if (GTK_IS_EDITABLE (widget))
 	{
 		gboolean has_selection;

src/gnome-utils/gnc-plugin-page.h

@@ -165,6 +165,16 @@ typedef struct {
 	 *  @param name The new name for this page. */
 	void (* page_name_changed) (GncPluginPage *plugin_page, 
                                     const gchar *name);
+
+	/** This function vector allows page specific actions to
+	 *  override the generic code for setting the sensitivity of
+	 *  items in the Edit menu.
+	 *  
+	 *  @param page The front page in a main window..
+	 *  
+	 *  @param hide Whether the widgets should be shown or
+	 *  hidden. */
+	void (* update_edit_menu_actions) (GncPluginPage *plugin_page, gboolean hide);
 } GncPluginPageClass;
 
 

src/gnome/gnc-plugin-page-register.c

@@ -93,6 +93,7 @@ static void gnc_plugin_page_register_destroy_widget (GncPluginPage *plugin_page)
 static void gnc_plugin_page_register_window_changed (GncPluginPage *plugin_page, GtkWidget *window);
 static void gnc_plugin_page_register_save_page (GncPluginPage *plugin_page, GKeyFile *file, const gchar *group);
 static GncPluginPage *gnc_plugin_page_register_recreate_page (GtkWidget *window, GKeyFile *file, const gchar *group);
+static void gnc_plugin_page_register_update_edit_menu (GncPluginPage *page, gboolean hide);
 
 static gchar *gnc_plugin_page_register_get_tab_name (GncPluginPage *plugin_page);
 
@@ -502,6 +503,7 @@ gnc_plugin_page_register_class_init (GncPluginPageRegisterClass *klass)
 	gnc_plugin_class->window_changed  = gnc_plugin_page_register_window_changed;
 	gnc_plugin_class->save_page       = gnc_plugin_page_register_save_page;
 	gnc_plugin_class->recreate_page   = gnc_plugin_page_register_recreate_page;
+	gnc_plugin_class->update_edit_menu_actions = gnc_plugin_page_register_update_edit_menu;
 
 	g_type_class_add_private(klass, sizeof(GncPluginPageRegisterPrivate));
 }
@@ -988,6 +990,38 @@ gnc_plugin_page_register_recreate_page (GtkWidget *window,
 }
 
 
+/*
+ * Based on code from Epiphany (src/ephy-window.c)
+ */
+static void
+gnc_plugin_page_register_update_edit_menu (GncPluginPage *page, gboolean hide)
+{
+	GncPluginPageRegisterPrivate *priv;
+	GncPluginPageRegister *reg_page;
+	GtkAction *action;
+	gboolean can_copy = FALSE, can_cut = FALSE, can_paste = FALSE;
+	gboolean has_selection;
+
+	reg_page = GNC_PLUGIN_PAGE_REGISTER(page);
+	priv = GNC_PLUGIN_PAGE_REGISTER_GET_PRIVATE(reg_page);
+	has_selection = gnucash_register_has_selection (priv->gsr->reg);
+
+	can_copy = has_selection;
+	can_cut = has_selection;
+	can_paste = TRUE;
+
+	action = gnc_plugin_page_get_action (page, "EditCopyAction");
+	gtk_action_set_sensitive (action, can_copy);
+	gtk_action_set_visible (action, !hide || can_copy);
+	action = gnc_plugin_page_get_action (page, "EditCutAction");
+	gtk_action_set_sensitive (action, can_cut);
+	gtk_action_set_visible (action, !hide || can_cut);
+	action = gnc_plugin_page_get_action (page, "EditPasteAction");
+	gtk_action_set_sensitive (action, can_paste);
+	gtk_action_set_visible (action,  !hide || can_paste);
+}
+
+
 static gchar *
 gnc_plugin_page_register_get_tab_name (GncPluginPage *plugin_page)
 {

src/register/register-gnome/gnucash-item-edit.c

@@ -1541,6 +1541,18 @@ gnc_item_edit_set_has_selection (GncItemEdit *item_edit, gboolean has_selection)
         item_edit->has_selection = has_selection;
 }
 
+gboolean
+gnc_item_edit_get_has_selection (GncItemEdit *item_edit)
+{
+        GtkEditable *editable;
+
+        g_return_val_if_fail ((item_edit != NULL), FALSE);
+        g_return_val_if_fail (GNC_IS_ITEM_EDIT (item_edit), FALSE);
+
+        editable = GTK_EDITABLE (item_edit->editor);
+	return gtk_editable_get_selection_bounds(editable, NULL, NULL);
+}
+
 gboolean
 gnc_item_edit_selection_clear (GncItemEdit          *item_edit,
                            GdkEventSelection *event)

src/register/register-gnome/gnucash-item-edit.h

@@ -157,6 +157,7 @@ void gnc_item_edit_paste_clipboard (GncItemEdit *item_edit, guint32 time);
 void gnc_item_edit_paste_primary (GncItemEdit *item_edit, guint32 time);
 
 void gnc_item_edit_set_has_selection (GncItemEdit *item_edit, gboolean has_selection);
+gboolean gnc_item_edit_get_has_selection (GncItemEdit *item_edit);
 
 gboolean gnc_item_edit_selection_clear (GncItemEdit       *item_edit,
 					GdkEventSelection *event);

src/register/register-gnome/gnucash-sheet.c

@@ -1367,6 +1367,21 @@ gnucash_button_press_event (GtkWidget *widget, GdkEventButton *event)
         return TRUE;
 }
 
+gboolean
+gnucash_register_has_selection (GnucashRegister *reg)
+{
+        GnucashSheet *sheet;
+        GncItemEdit *item_edit;
+
+        g_return_val_if_fail((reg != NULL), FALSE);
+        g_return_val_if_fail(GNUCASH_IS_REGISTER(reg), FALSE);
+
+        sheet = GNUCASH_SHEET(reg->sheet);
+        item_edit = GNC_ITEM_EDIT(sheet->item_editor);
+
+        return gnc_item_edit_get_has_selection(item_edit);
+}
+
 void
 gnucash_register_cut_clipboard (GnucashRegister *reg)
 {

src/register/register-gnome/gnucash-sheet.h

@@ -209,6 +209,7 @@ void gnucash_register_attach_popup(GnucashRegister *reg, GtkWidget *popup,
 
 void gnucash_register_set_initial_rows(guint num_rows);
 
+gboolean gnucash_register_has_selection (GnucashRegister *reg);
 void gnucash_register_cut_clipboard (GnucashRegister *reg);
 void gnucash_register_copy_clipboard (GnucashRegister *reg);
 void gnucash_register_paste_clipboard (GnucashRegister *reg);