add --confirm-overwrite to file selection dialog to pop a confirmation

2006-03-23  Lucas Rocha  <lucasr@gnome.org>

	* src/fileselection.c, zenity.h, option.c: add
	--confirm-overwrite to file selection dialog to pop a
	confirmation dialog when selecting an existing filename.

ChangeLog

@@ -1,3 +1,9 @@
+2006-03-23  Lucas Rocha  <lucasr@gnome.org>
+
+	* src/fileselection.c, zenity.h, option.c: add 
+	--confirm-overwrite to file selection dialog to pop a
+	confirmation dialog when selecting an existing filename.
+
 2006-03-22  Lucas Rocha  <lucasr@gnome.org>
 
 	Implement the "message" command on notification icon

src/fileselection.c

@@ -57,6 +57,9 @@ void zenity_fileselection (ZenityData *data, ZenityFileData *file_data)
 					GTK_STOCK_OK, GTK_RESPONSE_OK,
 					NULL);
 
+  gtk_file_chooser_set_do_overwrite_confirmation (GTK_FILE_CHOOSER (dialog), 
+                                                  file_data->confirm_overwrite);
+
   g_signal_connect (G_OBJECT (dialog), "response", 
                     G_CALLBACK (zenity_fileselection_dialog_response), file_data);
 

src/option.c

@@ -63,6 +63,7 @@ static gboolean zenity_info_active;
 static gboolean zenity_file_active;
 static gboolean zenity_file_directory;
 static gboolean zenity_file_save;
+static gboolean zenity_file_confirm_overwrite;
 
 /* List Dialog Options */
 static gboolean zenity_list_active;
@@ -370,6 +371,15 @@ static GOptionEntry file_selection_options[] = {
     N_("Set output separator character"),
     N_("SEPARATOR")
   },
+  {
+    "confirm-overwrite",
+    '\0',
+    0,
+    G_OPTION_ARG_NONE,
+    &zenity_file_confirm_overwrite,
+    N_("Confirm file selection if filename already exists"),
+    NULL
+  },
   { 
     NULL 
   } 
@@ -921,6 +931,7 @@ zenity_file_pre_callback (GOptionContext *context,
   zenity_file_active = FALSE;
   zenity_file_directory = FALSE;
   zenity_file_save = FALSE;
+  zenity_file_confirm_overwrite = FALSE;
 
   return TRUE;
 }
@@ -1170,6 +1181,7 @@ zenity_file_post_callback (GOptionContext *context,
     results->file_data->multi = zenity_general_multiple;
     results->file_data->directory = zenity_file_directory;
     results->file_data->save = zenity_file_save;
+    results->file_data->confirm_overwrite = zenity_file_confirm_overwrite;
     results->file_data->separator = zenity_general_separator;
   } else {
     if (zenity_file_directory)

src/zenity.h

@@ -75,6 +75,7 @@ typedef struct {
   gboolean multi;
   gboolean directory;
   gboolean save;
+  gboolean confirm_overwrite;
   gchar   *separator;
 } ZenityFileData;