set the Open File dialog directory to the same directory as the current file (thanks to Nick Treleaven for this patch)

git-svn-id: https://geany.svn.sourceforge.net/svnroot/geany/trunk@155 ea778897-0a13-0410-b9d1-a72fbfd435f5

src/dialogs.c

@@ -70,6 +70,19 @@ void dialogs_show_open_file ()
 			g_signal_connect((gpointer)app->open_filesel, "selection-changed",
 						G_CALLBACK(on_file_open_selection_changed), NULL);
 		}
+
+		// set dialog directory to the current file's directory, if present
+		{
+			gchar *initdir = utils_get_current_file_dir();
+
+			if (initdir != NULL)
+			{
+				gtk_file_chooser_set_current_folder(
+					GTK_FILE_CHOOSER(app->open_filesel), initdir);
+				g_free(initdir);
+			}
+		}
+
 		gtk_file_chooser_unselect_all(GTK_FILE_CHOOSER(app->open_filesel));
 		/* We make sure the dialog is visible. */
 		gtk_window_present(GTK_WINDOW(app->open_filesel));

src/utils.c

@@ -2119,3 +2119,26 @@ void utils_treeviews_showhide(void)
 	else
 		gtk_widget_show(app->treeview_notebook);
 }
+
+
+/* Get directory from current file in the notebook.
+ * Returns dir string that should be freed or NULL, depending on whether current file is valid.
+ * (thanks to Nick Treleaven for this patch) */
+gchar *utils_get_current_file_dir()
+{
+	gint cur_idx = document_get_cur_idx();
+
+	if (cur_idx >= 0)	// if valid page found
+	{
+		// get current filename
+		const gchar *cur_fname = doc_list[cur_idx].file_name;
+
+		if (cur_fname != NULL)
+		{
+			// get folder part from current filename
+			return g_path_get_dirname(cur_fname);	// returns "." if no path
+		}
+	}
+
+	return NULL;	// no file open
+}

src/utils.h

@@ -199,4 +199,6 @@ gint utils_get_int_from_hexcolor(const gchar *hex);
 
 void utils_treeviews_showhide(void);
 
+gchar *utils_get_current_file_dir();
+
 #endif