gless DnD support patch

[David Knight <david ritter demon co uk>]

I've been annoyed for a while now each time I've wanted to drop a file onto
gless that it didn't support it.

So here's a patch I've just done that adds support.




David

-- 
The superior man understands what is right;
the inferior man understands what will sell.
		-- Confucius
--- gless.c	Tue May 25 17:32:45 1999
+++ gless.c	Tue May 25 17:44:30 1999
@@ -49,6 +49,10 @@
                        the window closes. */
 };
 
+enum {
+	TARGET_URI_LIST
+};
+
 /****************************
   Function prototypes
   ******************************/
@@ -73,6 +77,10 @@
 static void new_app_cb(GtkWidget * w, gpointer data);
 static void fixed_cb(GtkWidget * w, gpointer data);
 
+static void drop_file(GtkWidget *widget, GdkDragContext *context,
+                      gint x, gint y, GtkSelectionData *selectionData,
+                      guint info, guint time, GnomeLessApp *app );
+
 /***********************************
   Globals
   ***********************************/
@@ -308,12 +316,20 @@
 	GNOMEUIINFO_END
 };
 
+static const GtkTargetEntry drop_types[] = {
+  { "text/uri-list", 0, TARGET_URI_LIST },
+};
+
 static void gless_new_app(const gchar * filename, const gchar * geometry,
                           gint fd)
 {
   GnomeLessApp * app;
   GtkWidget * app_box;
 
+  const gint num_drop_types = sizeof( drop_types ) / 
+    sizeof( drop_types [0] );
+
+
   gint width = 480, height = 500;
   gboolean geometry_error = FALSE;
 
@@ -366,6 +382,16 @@
 
   gtk_widget_show_all(app->app);
 
+  /* setup drop support */
+  gtk_drag_dest_set( app->less,
+                     GTK_DEST_DEFAULT_MOTION |
+                     GTK_DEST_DEFAULT_HIGHLIGHT |
+                     GTK_DEST_DEFAULT_DROP,
+                     drop_types, num_drop_types,
+                     GDK_ACTION_COPY );
+  gtk_signal_connect( GTK_OBJECT( app->less ), "drag_data_received",
+                      drop_file, app );
+
   app->file = NULL; 
 
   if (filename) {
@@ -702,5 +728,20 @@
 }
 
 
-
+static void drop_file(GtkWidget *widget, GdkDragContext *context,
+                      gint x, gint y, GtkSelectionData *selectionData,
+                      guint info, guint time, GnomeLessApp *app )
+{
+	gchar *text = NULL;
+
+    switch( info ) {
+	case TARGET_URI_LIST:
+      text = selectionData->data + strlen( "file:" );
+      /* get rid of the \r\n from the end */
+      *(text + strlen( text ) - 2) = 0;
+      gless_app_show_file(app, text);
+      break;
+    }
+    
+}