add undo/redo patch submitted by Jens Oberender

[claws.git] / src / compose.c

diff --git a/src/compose.c b/src/compose.c
index cf4b4c2e61fe0cf5905f95418e086dbf5be1b6cc..be897ddd5006ff4de3372f9c7477853e9255a219 100644 (file)
--- a/src/compose.c
+++ b/src/compose.c
@@ -100,6 +100,7 @@
 #include "addr_compl.h"
 #include "quote_fmt.h"
 #include "template.h"
+#include "undo.h"
 
 #if USE_GPGME
 #  include "rfc2015.h"
@@ -123,6 +124,7 @@ static GdkColor quote_color = {0, 0, 0, 0xbfff};
 
 static GList *compose_list = NULL;
 
+static void compose_set_undo (UndoMain *undostruct, gint undo_state, gint redo_state, GtkWidget *changewidget);
 Compose *compose_generic_new                   (PrefsAccount   *account,
                                                 const gchar    *to,
                                                 FolderItem     *item);
@@ -314,6 +316,8 @@ static gint compose_delete_cb               (GtkWidget      *widget,
 static void compose_destroy_cb         (GtkWidget      *widget,
                                         Compose        *compose);
 
+static void compose_undo_cb            (Compose *compose);
+static void compose_redo_cb            (Compose *compose);
 static void compose_cut_cb             (Compose        *compose);
 static void compose_copy_cb            (Compose        *compose);
 static void compose_paste_cb           (Compose        *compose);
@@ -433,8 +437,8 @@ static GtkItemFactoryEntry compose_entries[] =
        {N_("/_File/_Close"),                   "<alt>W", compose_close_cb, 0, NULL},
 
        {N_("/_Edit"),             NULL, NULL, 0, "<Branch>"},
-       {N_("/_Edit/_Undo"),       "<control>Z", NULL, 0, NULL},
-       {N_("/_Edit/_Redo"),       "<control>Y", NULL, 0, NULL},
+       {N_("/_Edit/_Undo"),       "<control>Z", compose_undo_cb, 0, NULL},
+       {N_("/_Edit/_Redo"),       "<control>Y", compose_redo_cb, 0, NULL},
        {N_("/_Edit/---"),         NULL, NULL, 0, "<Separator>"},
        {N_("/_Edit/Cu_t"),        "<control>X", compose_cut_cb,    0, NULL},
        {N_("/_Edit/_Copy"),       "<control>C", compose_copy_cb,   0, NULL},
@@ -3910,6 +3914,8 @@ static Compose *compose_create(PrefsAccount *account, ComposeMode mode)
        GtkWidget *table;
        GtkWidget *hbox;
 
+       UndoMain *undostruct;
+
        gchar *titles[] = {_("MIME type"), _("Size"), _("Name")};
        guint n_menu_entries;
        GtkStyle  *style, *new_style;
@@ -4377,6 +4383,11 @@ static Compose *compose_create(PrefsAccount *account, ComposeMode mode)
         compose->gtkpspell      = gtkpspell;
 #endif
 
+       undostruct = undo_init(text);
+
+       compose->undostruct = undostruct;
+       undo_set_undo_change_funct(undostruct, &compose_set_undo, GTK_WIDGET(compose->menubar));
+
 #if 0 /* NEW COMPOSE GUI */
        if (account->protocol != A_NNTP) {
                menuitem = gtk_item_factory_get_item(ifactory, "/Message/To");
@@ -5720,6 +5731,16 @@ static void compose_destroy_cb(GtkWidget *widget, Compose *compose)
        compose_destroy(compose);
 }
 
+static void compose_undo_cb(Compose *compose) 
+{
+       undo_undo(compose->undostruct);
+}
+
+static void compose_redo_cb(Compose *compose) 
+{
+       undo_redo(compose->undostruct);
+}
+
 static void compose_cut_cb(Compose *compose)
 {
        if (compose->focused_editable &&
@@ -6113,3 +6134,66 @@ void compose_headerentry_changed_cb(GtkWidget *entry,
                         headerentry);
        }
 }
+
+/**
+ * undo_set_undo:
+ *
+ * Change the sensivity of the menuentries undo and redo
+ **/
+static void compose_set_undo (UndoMain *undostruct, gint undo_state, gint redo_state, GtkWidget *changewidget) {
+       GtkItemFactory *ifactory;
+        debug_print ("Set_undo.  UNDO:%i  REDO:%i\n",
+                 undo_state,
+                 redo_state);
+
+       g_return_if_fail (changewidget != NULL);
+
+       ifactory = gtk_item_factory_from_widget(changewidget);
+
+       /* Set undo */
+        switch (undo_state) {
+        case UNDO_STATE_TRUE:
+                if (!undostruct->undo_state) {
+                       debug_print ("Set_undo - Testpoint\n");
+                        undostruct->undo_state = TRUE;
+                       menu_set_sensitive(ifactory, "/Edit/Undo", TRUE);
+                }
+                break;
+        case UNDO_STATE_FALSE:
+                if (undostruct->undo_state) {
+                        undostruct->undo_state = FALSE;
+                       menu_set_sensitive(ifactory, "/Edit/Undo", FALSE);
+                }
+                break;
+        case UNDO_STATE_UNCHANGED:
+                break;
+        case UNDO_STATE_REFRESH:
+               menu_set_sensitive(ifactory, "/Edit/Undo", undostruct->undo_state);
+                break;
+        default:
+                g_warning ("Undo state not recognized");
+        }
+
+        /* Set redo*/
+        switch (redo_state) {
+        case UNDO_STATE_TRUE:
+                if (!undostruct->redo_state) {
+                        undostruct->redo_state = TRUE;
+                       menu_set_sensitive(ifactory, "/Edit/Redo", TRUE);
+                }
+                break;
+        case UNDO_STATE_FALSE:
+                if (undostruct->redo_state) {
+                        undostruct->redo_state = FALSE;
+                       menu_set_sensitive(ifactory, "/Edit/Redo", FALSE);
+                }
+                break;
+        case UNDO_STATE_UNCHANGED:
+                break;
+        case UNDO_STATE_REFRESH:
+               menu_set_sensitive(ifactory, "/Edit/Redo", undostruct->redo_state);
+                break;
+        default:
+                g_warning ("Redo state not recognized");
+        }
+}