[gtk+/touch-text-selection: 5/6] entry: limit GtkTextHandle behavior to touch devices

[Carlos Garnacho <carlosg src gnome org>]

commit f47dbc49bdb5c6668e895f2d38ae22ec02e7f31b
Author: Carlos Garnacho <carlos lanedo com>
Date:   Wed Jul 11 17:35:29 2012 +0200

    entry: 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/gtkentry.c |   26 ++++++++++++++++++++++----
 1 files changed, 22 insertions(+), 4 deletions(-)
---
diff --git a/gtk/gtkentry.c b/gtk/gtkentry.c
index d7b2df1..b9c214f 100644
--- a/gtk/gtkentry.c
+++ b/gtk/gtkentry.c
@@ -4039,9 +4039,16 @@ gtk_entry_button_press (GtkWidget      *widget,
 	    }
 	  else
             {
+              GdkDevice *source;
+
               gtk_editable_set_position (editable, tmp_pos);
-              priv->dragged_handle_pos = GTK_TEXT_HANDLE_POSITION_CURSOR;
-              _gtk_entry_update_handles (entry, GTK_TEXT_HANDLE_MODE_CURSOR);
+              source = gdk_event_get_source_device ((GdkEvent *) event);
+
+              if (gdk_device_get_source (source) == GDK_SOURCE_TOUCHSCREEN)
+                {
+                  priv->dragged_handle_pos = GTK_TEXT_HANDLE_POSITION_CURSOR;
+                  _gtk_entry_update_handles (entry, GTK_TEXT_HANDLE_MODE_CURSOR);
+                }
             }
 	  break;
  
@@ -4132,9 +4139,15 @@ gtk_entry_button_release (GtkWidget      *widget,
   if (priv->in_drag)
     {
       gint tmp_pos = gtk_entry_find_position (entry, priv->drag_start_x);
+      GdkDevice *source;
 
       gtk_editable_set_position (GTK_EDITABLE (entry), tmp_pos);
-      _gtk_entry_update_handles (entry, GTK_TEXT_HANDLE_MODE_CURSOR);
+
+      source = gdk_event_get_source_device ((GdkEvent *) event);
+
+      if (gdk_device_get_source (source) == GDK_SOURCE_TOUCHSCREEN)
+        _gtk_entry_update_handles (entry, GTK_TEXT_HANDLE_MODE_CURSOR);
+
       priv->in_drag = 0;
     }
 
@@ -4259,6 +4272,8 @@ gtk_entry_motion_notify (GtkWidget      *widget,
     }
   else
     {
+      GdkDevice *source;
+
       if (event->y < 0)
 	tmp_pos = 0;
       else if (event->y >= gdk_window_get_height (priv->text_area))
@@ -4307,7 +4322,10 @@ gtk_entry_motion_notify (GtkWidget      *widget,
       else
         gtk_entry_set_positions (entry, tmp_pos, -1);
 
-      _gtk_entry_update_handles (entry, GTK_TEXT_HANDLE_MODE_SELECTION);
+      source = gdk_event_get_source_device ((GdkEvent *) event);
+
+      if (gdk_device_get_source (source) == GDK_SOURCE_TOUCHSCREEN)
+        _gtk_entry_update_handles (entry, GTK_TEXT_HANDLE_MODE_SELECTION);
     }
       
   return TRUE;