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[evolution] Add focus tracking to EMailBrowser.

commit bbe38b0f7a60a9dffcde6bb0c7a3b346881113ad
Author: Matthew Barnes <mbarnes redhat com>
Date:   Tue Jan 19 18:13:57 2010 -0500

    Add focus tracking to EMailBrowser.

 mail/e-mail-browser.c          |   94 ++++++++++++++++++++++++++++++++++++++++
 mail/e-mail-browser.h          |    2 +
 ui/evolution-mail-reader.ui    |    4 ++
 ui/evolution-shell.ui          |   12 +++--
 widgets/misc/e-focus-tracker.c |   31 +++++++++++++
 5 files changed, 138 insertions(+), 5 deletions(-)
---
diff --git a/mail/e-mail-browser.c b/mail/e-mail-browser.c
index b0172ad..59c09b6 100644
--- a/mail/e-mail-browser.c
+++ b/mail/e-mail-browser.c
@@ -29,6 +29,7 @@
 #include "e-util/e-plugin-ui.h"
 #include "e-util/gconf-bridge.h"
 #include "shell/e-shell.h"
+#include "widgets/misc/e-popup-action.h"
 #include "widgets/misc/e-preview-pane.h"
 
 #include "mail/e-mail-reader.h"
@@ -45,6 +46,7 @@
 
 struct _EMailBrowserPrivate {
 	GtkUIManager *ui_manager;
+	EFocusTracker *focus_tracker;
 	EShellBackend *shell_backend;
 	GtkActionGroup *action_group;
 	EMFormatHTMLDisplay *html_display;
@@ -60,6 +62,7 @@ struct _EMailBrowserPrivate {
 
 enum {
 	PROP_0,
+	PROP_FOCUS_TRACKER,
 	PROP_SHELL_BACKEND,
 	PROP_SHOW_DELETED,
 	PROP_UI_MANAGER
@@ -78,6 +81,15 @@ static const gchar *ui =
 "      <separator/>"
 "      <menuitem action='close'/>"
 "    </menu>"
+"    <menu action='edit-menu'>"
+"      <placeholder name='selection-actions'>"
+"        <menuitem action='cut-clipboard'/>"
+"        <menuitem action='copy-clipboard'/>"
+"        <menuitem action='paste-clipboard'/>"
+"        <separator/>"
+"        <menuitem action='select-all'/>"
+"      </placeholder>"
+"    </menu>"
 "  </menubar>"
 "</ui>";
 
@@ -97,6 +109,34 @@ static GtkActionEntry mail_browser_entries[] = {
 	  N_("Close this window"),
 	  G_CALLBACK (action_close_cb) },
 
+	{ "copy-clipboard",
+	  GTK_STOCK_COPY,
+	  NULL,
+	  NULL,
+	  N_("Copy the selection"),
+	  NULL },  /* Handled by EFocusTracker */
+
+	{ "cut-clipboard",
+	  GTK_STOCK_CUT,
+	  NULL,
+	  NULL,
+	  N_("Cut the selection"),
+	  NULL },  /* Handled by EFocusTracker */
+
+	{ "paste-clipboard",
+	  GTK_STOCK_PASTE,
+	  NULL,
+	  NULL,
+	  N_("Paste the clipboard"),
+	  NULL },  /* Handled by EFocusTracker */
+
+	{ "select-all",
+	  GTK_STOCK_SELECT_ALL,
+	  NULL,
+	  NULL,
+	  N_("Select all text"),
+	  NULL },  /* Handled by EFocusTracker */
+
 	/*** Menus ***/
 
 	{ "file-menu",
@@ -121,6 +161,13 @@ static GtkActionEntry mail_browser_entries[] = {
 	  NULL }
 };
 
+static EPopupActionEntry mail_browser_popup_entries[] = {
+
+	{ "popup-copy-clipboard",
+	  NULL,
+	  "copy-clipboard" }
+};
+
 static void
 mail_browser_menu_item_select_cb (EMailBrowser *browser,
                                   GtkWidget *widget)
@@ -302,6 +349,12 @@ mail_browser_get_property (GObject *object,
                            GParamSpec *pspec)
 {
 	switch (property_id) {
+		case PROP_FOCUS_TRACKER:
+			g_value_set_object (
+				value, e_mail_browser_get_focus_tracker (
+				E_MAIL_BROWSER (object)));
+			return;
+
 		case PROP_SHELL_BACKEND:
 			g_value_set_object (
 				value, e_mail_reader_get_shell_backend (
@@ -336,6 +389,11 @@ mail_browser_dispose (GObject *object)
 		priv->ui_manager = NULL;
 	}
 
+	if (priv->focus_tracker != NULL) {
+		g_object_unref (priv->focus_tracker);
+		priv->focus_tracker = NULL;
+	}
+
 	if (priv->shell_backend != NULL) {
 		g_object_unref (priv->shell_backend);
 		priv->shell_backend = NULL;
@@ -388,10 +446,12 @@ mail_browser_constructed (GObject *object)
 	EMailReader *reader;
 	EShellBackend *shell_backend;
 	EShell *shell;
+	EFocusTracker *focus_tracker;
 	ESearchBar *search_bar;
 	GConfBridge *bridge;
 	GtkAccelGroup *accel_group;
 	GtkActionGroup *action_group;
+	GtkAction *action;
 	GtkUIManager *ui_manager;
 	GtkWidget *container;
 	GtkWidget *widget;
@@ -440,6 +500,9 @@ mail_browser_constructed (GObject *object)
 	gtk_action_group_add_actions (
 		action_group, mail_browser_entries,
 		G_N_ELEMENTS (mail_browser_entries), object);
+	e_action_group_add_popup_actions (
+		action_group, mail_browser_popup_entries,
+		G_N_ELEMENTS (mail_browser_popup_entries));
 	gtk_ui_manager_insert_action_group (ui_manager, action_group, 0);
 
 	e_load_ui_manager_definition (ui_manager, E_MAIL_READER_UI_DEFINITION);
@@ -455,6 +518,19 @@ mail_browser_constructed (GObject *object)
 		ui_manager, "connect-proxy",
 		G_CALLBACK (mail_browser_connect_proxy_cb), object);
 
+	/* Configure an EFocusTracker to manage selection actions. */
+
+	focus_tracker = e_focus_tracker_new (GTK_WINDOW (object));
+	action = gtk_action_group_get_action (action_group, "cut-clipboard");
+	e_focus_tracker_set_cut_clipboard_action (focus_tracker, action);
+	action = gtk_action_group_get_action (action_group, "copy-clipboard");
+	e_focus_tracker_set_copy_clipboard_action (focus_tracker, action);
+	action = gtk_action_group_get_action (action_group, "paste-clipboard");
+	e_focus_tracker_set_paste_clipboard_action (focus_tracker, action);
+	action = gtk_action_group_get_action (action_group, "select-all");
+	e_focus_tracker_set_select_all_action (focus_tracker, action);
+	priv->focus_tracker = focus_tracker;
+
 	/* Construct window widgets. */
 
 	widget = gtk_vbox_new (FALSE, 0);
@@ -647,6 +723,16 @@ mail_browser_class_init (EMailBrowserClass *class)
 
 	g_object_class_install_property (
 		object_class,
+		PROP_FOCUS_TRACKER,
+		g_param_spec_object (
+			"focus-tracker",
+			_("Focus Tracker"),
+			NULL,
+			E_TYPE_FOCUS_TRACKER,
+			G_PARAM_READABLE));
+
+	g_object_class_install_property (
+		object_class,
 		PROP_SHELL_BACKEND,
 		g_param_spec_object (
 			"shell-backend",
@@ -772,6 +858,14 @@ e_mail_browser_set_show_deleted (EMailBrowser *browser,
 	g_object_notify (G_OBJECT (browser), "show-deleted");
 }
 
+EFocusTracker *
+e_mail_browser_get_focus_tracker (EMailBrowser *browser)
+{
+	g_return_val_if_fail (E_IS_MAIL_BROWSER (browser), NULL);
+
+	return browser->priv->focus_tracker;
+}
+
 GtkUIManager *
 e_mail_browser_get_ui_manager (EMailBrowser *browser)
 {
diff --git a/mail/e-mail-browser.h b/mail/e-mail-browser.h
index f2fd4d9..e097691 100644
--- a/mail/e-mail-browser.h
+++ b/mail/e-mail-browser.h
@@ -23,6 +23,7 @@
 #define E_MAIL_BROWSER_H
 
 #include <gtk/gtk.h>
+#include <misc/e-focus-tracker.h>
 #include <shell/e-shell-backend.h>
 
 /* Standard GObject macros */
@@ -65,6 +66,7 @@ void		e_mail_browser_close		(EMailBrowser *browser);
 gboolean	e_mail_browser_get_show_deleted	(EMailBrowser *browser);
 void		e_mail_browser_set_show_deleted (EMailBrowser *browser,
 						 gboolean show_deleted);
+EFocusTracker *	e_mail_browser_get_focus_tracker(EMailBrowser *browser);
 GtkUIManager *	e_mail_browser_get_ui_manager	(EMailBrowser *browser);
 
 G_END_DECLS
diff --git a/ui/evolution-mail-reader.ui b/ui/evolution-mail-reader.ui
index b54f4b9..dc87cf0 100644
--- a/ui/evolution-mail-reader.ui
+++ b/ui/evolution-mail-reader.ui
@@ -10,6 +10,8 @@
       </placeholder>
     </menu>
     <menu action='edit-menu'>
+      <placeholder name='selection-actions'/>
+      <separator/>
       <placeholder name='edit-actions'>
         <menuitem action='mail-delete'/>
         <menuitem action='mail-undelete'/>
@@ -141,6 +143,8 @@
     </placeholder>
   </popup>
   <popup name='mail-preview-popup'>
+    <menuitem action='popup-copy-clipboard'/>
+    <separator/>
     <menuitem action='mail-popup-reply-sender'/>
     <menuitem action='mail-popup-reply-all'/>
     <menuitem action='mail-popup-forward'/>
diff --git a/ui/evolution-shell.ui b/ui/evolution-shell.ui
index 654d322..fab9255 100644
--- a/ui/evolution-shell.ui
+++ b/ui/evolution-shell.ui
@@ -20,11 +20,13 @@
       <menuitem action='quit'/>
     </menu>
     <menu action='edit-menu'>
-      <menuitem action='cut-clipboard'/>
-      <menuitem action='copy-clipboard'/>
-      <menuitem action='paste-clipboard'/>
-      <separator/>
-      <menuitem action='select-all'/>
+      <placeholder name='selection-actions'>
+        <menuitem action='cut-clipboard'/>
+        <menuitem action='copy-clipboard'/>
+        <menuitem action='paste-clipboard'/>
+        <separator/>
+        <menuitem action='select-all'/>
+      </placeholder>
       <separator/>
       <placeholder name='edit-actions'/>
       <separator/>
diff --git a/widgets/misc/e-focus-tracker.c b/widgets/misc/e-focus-tracker.c
index 8eb1b25..882b547 100644
--- a/widgets/misc/e-focus-tracker.c
+++ b/widgets/misc/e-focus-tracker.c
@@ -532,7 +532,38 @@ focus_tracker_class_init (EFocusTrackerClass *class)
 static void
 focus_tracker_init (EFocusTracker *focus_tracker)
 {
+	GtkAction *action;
+
 	focus_tracker->priv = E_FOCUS_TRACKER_GET_PRIVATE (focus_tracker);
+
+	/* Define dummy actions.  These will most likely be overridden,
+	 * but for cases where they're not it ensures ESelectable objects
+	 * will always get a valid GtkAction when they ask us for one. */
+
+	action = gtk_action_new (
+		"cut-clipboard", NULL,
+		_("Cut the selection"), GTK_STOCK_CUT);
+	focus_tracker->priv->cut_clipboard = action;
+
+	action = gtk_action_new (
+		"copy-clipboard", NULL,
+		_("Copy the selection"), GTK_STOCK_COPY);
+	focus_tracker->priv->copy_clipboard = action;
+
+	action = gtk_action_new (
+		"paste-clipboard", NULL,
+		_("Paste the clipboard"), GTK_STOCK_PASTE);
+	focus_tracker->priv->paste_clipboard = action;
+
+	action = gtk_action_new (
+		"delete-selection", NULL,
+		_("Delete the selection"), GTK_STOCK_DELETE);
+	focus_tracker->priv->delete_selection = action;
+
+	action = gtk_action_new (
+		"select-all", NULL,
+		_("Select all text"), GTK_STOCK_SELECT_ALL);
+	focus_tracker->priv->select_all = action;
 }
 
 GType
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