[gtk+] [broadway] Track transient_for

[Alexander Larsson <alexl src gnome org>]

commit 9c5c4223e3ee671ff7c76d632ab877095e33fd81
Author: Alexander Larsson <alexl redhat com>
Date:   Tue Apr 5 12:02:46 2011 +0200

    [broadway] Track transient_for

 gdk/broadway/broadway.c           |   19 +++++++++++++++++++
 gdk/broadway/broadway.h           |    3 +++
 gdk/broadway/broadway.js          |    8 ++++++++
 gdk/broadway/gdkwindow-broadway.c |   22 ++++++++++++++++++++++
 gdk/broadway/gdkwindow-broadway.h |    2 ++
 5 files changed, 54 insertions(+), 0 deletions(-)
---
diff --git a/gdk/broadway/broadway.c b/gdk/broadway/broadway.c
index 0ddefde..bada96e 100644
--- a/gdk/broadway/broadway.c
+++ b/gdk/broadway/broadway.c
@@ -779,6 +779,25 @@ broadway_output_resize_surface(BroadwayOutput *output,  int id, int w, int h)
 }
 
 void
+broadway_output_set_transient_for (BroadwayOutput *output,
+				   int             id,
+				   int             parent_id)
+{
+  char buf[HEADER_LEN + 6];
+  int p;
+
+  p = write_header (output, buf, 'p');
+
+  append_uint16 (id, buf, &p);
+  append_uint16 (parent_id, buf, &p);
+
+  assert (p == sizeof (buf));
+
+  broadway_output_write (output, buf, sizeof (buf));
+}
+
+
+void
 broadway_output_put_rgb (BroadwayOutput *output,  int id, int x, int y,
 			 int w, int h, int byte_stride, void *data)
 {
diff --git a/gdk/broadway/broadway.h b/gdk/broadway/broadway.h
index ab8eae6..2f93d27 100644
--- a/gdk/broadway/broadway.h
+++ b/gdk/broadway/broadway.h
@@ -33,6 +33,9 @@ void            broadway_output_resize_surface  (BroadwayOutput *output,
 						 int             id,
 						 int             w,
 						 int             h);
+void            broadway_output_set_transient_for (BroadwayOutput *output,
+						   int             id,
+						   int             parent_id);
 void            broadway_output_put_rgb         (BroadwayOutput *output,
 						 int             id,
 						 int             x,
diff --git a/gdk/broadway/broadway.js b/gdk/broadway/broadway.js
index 4b1cb32..3f34a2a 100644
--- a/gdk/broadway/broadway.js
+++ b/gdk/broadway/broadway.js
@@ -103,6 +103,7 @@ function initContext(canvas, x, y, id)
     context.globalCompositeOperation = "source-over";
     document.body.appendChild(canvas);
     context.drawQueue = [];
+    context.transientParent = 0;
 
     return context;
 }
@@ -240,6 +241,13 @@ function handleCommands(cmdObj)
 	    surfaces[id].canvas.style["display"] = "none";
 	    break;
 
+	case 'p': // Set transient parent
+	    var id = base64_16(cmd, i);
+	    i = i + 3;
+	    var parentId = base64_16(cmd, i);
+	    i = i + 3;
+	    surfaces[id].transientParent = parentId;
+
 	case 'd': // Delete surface
 	    var id = base64_16(cmd, i);
 	    i = i + 3;
diff --git a/gdk/broadway/gdkwindow-broadway.c b/gdk/broadway/gdkwindow-broadway.c
index 3518d40..24c4bb2 100644
--- a/gdk/broadway/gdkwindow-broadway.c
+++ b/gdk/broadway/gdkwindow-broadway.c
@@ -231,6 +231,10 @@ _gdk_broadway_resync_windows (void)
 	  broadway_output_show_surface (display->output, impl->id);
 	  window_data_send (display->output, impl);
 	}
+      if (impl->transient_for)
+	{
+	  broadway_output_set_transient_for (display->output, impl->id, impl->transient_for);
+	}
     }
 
   gdk_display_flush (GDK_DISPLAY (display));
@@ -764,6 +768,24 @@ static void
 gdk_broadway_window_set_transient_for (GdkWindow *window,
 				       GdkWindow *parent)
 {
+  GdkBroadwayDisplay *display;
+  GdkWindowImplBroadway *impl;
+  int parent_id;
+
+  impl = GDK_WINDOW_IMPL_BROADWAY (window->impl);
+
+  parent_id = 0;
+  if (parent)
+    parent_id = GDK_WINDOW_IMPL_BROADWAY (parent->impl)->id;
+
+  impl->transient_for = parent_id;
+
+  display = GDK_BROADWAY_DISPLAY (gdk_window_get_display (impl->wrapper));
+  if (display->output)
+    {
+      broadway_output_set_transient_for (display->output, impl->id, impl->transient_for);
+      gdk_display_flush (GDK_DISPLAY (display));
+    }
 }
 
 static void
diff --git a/gdk/broadway/gdkwindow-broadway.h b/gdk/broadway/gdkwindow-broadway.h
index bed2c82..0b3c857 100644
--- a/gdk/broadway/gdkwindow-broadway.h
+++ b/gdk/broadway/gdkwindow-broadway.h
@@ -60,6 +60,8 @@ struct _GdkWindowImplBroadway
 
   int id;
 
+  int transient_for;
+
   gint8 toplevel_window_type;
   gboolean dirty;
   gboolean last_synced;