[gtk+/touch-text-selection: 6/6] textview: limit GtkTextHandle behavior to touch devices

[Carlos Garnacho <carlosg src gnome org>]

commit a5184d2a70437e94409bbf7f66419232715461f0
Author: Carlos Garnacho <carlos lanedo com>
Date:   Wed Jul 11 17:37:32 2012 +0200

    textview: limit GtkTextHandle behavior to touch devices
    
    Other devices won't cause the handles to appear, this commit
    can be reverted to test handles behavior on non-touchscreens.

 gtk/gtktextview.c |   23 ++++++++++++++++++-----
 1 files changed, 18 insertions(+), 5 deletions(-)
---
diff --git a/gtk/gtktextview.c b/gtk/gtktextview.c
index acd0f7a..64d4c0b 100644
--- a/gtk/gtktextview.c
+++ b/gtk/gtktextview.c
@@ -4752,9 +4752,14 @@ gtk_text_view_button_press_event (GtkWidget *widget, GdkEventButton *event)
             }
           else
             {
+              GdkDevice *device;
+
               gtk_text_view_start_selection_drag (text_view, &iter, event);
-              _gtk_text_view_update_handles (text_view,
-                                             GTK_TEXT_HANDLE_MODE_CURSOR);
+              device = gdk_event_get_source_device ((GdkEvent *) event);
+
+              if (gdk_device_get_source (device) == GDK_SOURCE_TOUCHSCREEN)
+                _gtk_text_view_update_handles (text_view,
+                                               GTK_TEXT_HANDLE_MODE_CURSOR);
             }
 
           return TRUE;
@@ -4824,6 +4829,7 @@ gtk_text_view_button_release_event (GtkWidget *widget, GdkEventButton *event)
         return TRUE;
       else if (priv->pending_place_cursor_button == event->button)
         {
+          GdkDevice *device;
 	  GtkTextIter iter;
 
           /* Unselect everything; we clicked inside selection, but
@@ -4838,8 +4844,11 @@ gtk_text_view_button_release_event (GtkWidget *widget, GdkEventButton *event)
 	  gtk_text_buffer_place_cursor (get_buffer (text_view), &iter);
 	  gtk_text_view_check_cursor_blink (text_view);
 
-          _gtk_text_view_update_handles (text_view,
-                                         GTK_TEXT_HANDLE_MODE_CURSOR);
+          device = gdk_event_get_source_device ((GdkEvent *) event);
+
+          if (gdk_device_get_source (device) == GDK_SOURCE_TOUCHSCREEN)
+            _gtk_text_view_update_handles (text_view,
+                                           GTK_TEXT_HANDLE_MODE_CURSOR);
 
           priv->pending_place_cursor_button = 0;
 
@@ -6579,6 +6588,7 @@ selection_motion_event_handler (GtkTextView    *text_view,
 				SelectionData  *data)
 {
   GtkTextViewPrivate *priv;
+  GdkDevice *device;
 
   priv = text_view->priv;
   gdk_event_request_motions (event);
@@ -6627,7 +6637,10 @@ selection_motion_event_handler (GtkTextView    *text_view,
   text_view->priv->scroll_timeout =
     gdk_threads_add_timeout (50, selection_scan_timeout, text_view);
 
-  _gtk_text_view_update_handles (text_view, GTK_TEXT_HANDLE_MODE_SELECTION);
+  device = gdk_event_get_source_device ((GdkEvent *) event);
+
+  if (gdk_device_get_source (device) == GDK_SOURCE_TOUCHSCREEN)
+    _gtk_text_view_update_handles (text_view, GTK_TEXT_HANDLE_MODE_SELECTION);
 
   return TRUE;
 }