[gtkmm] Gtkmm-forge digest, Vol 1 #328 - 3 msgs

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gtkmm-forge is the mailing list that receives gtkmm bug reports from bugzilla.  A daily digest is sent to gtkmm-main, to encourage people to help fixing the bugs.


Today's Topics:

   1. [Bug 102405] Changed - create_row_drag_icon and custom cell renderer problem (bugzilla-daemon widget gnome org)
   2. [Bug 102405] Changed - create_row_drag_icon and custom cell renderer problem (bugzilla-daemon widget gnome org)
   3. [Bug 102405] Changed - create_row_drag_icon and custom cell renderer problem (bugzilla-daemon widget gnome org)

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Message: 1
From: bugzilla-daemon widget gnome org
To: gtkmm-forge lists sourceforge net
Cc: 
Date: Sun,  5 Jan 2003 16:42:09 -0500 (EST)
Subject: [gtkmm bugzilla] [Bug 102405] Changed - create_row_drag_icon and custom cell renderer problem

Please do not reply to this email- if you want to comment on the bug, go to the
URL shown below and enter your comments there.

http://bugzilla.gnome.org/show_bug.cgi?id=102405

Changed by pprooi xs4all nl 

--- shadow/102405	Sat Jan  4 06:33:11 2003
+++ shadow/102405.tmp.4398	Sun Jan  5 16:42:09 2003
@@ -45,6 +45,31 @@
 
 
 ------- Additional Comments From murrayc usa net  2003-01-04 06:33 -------
 If the problem is just that you can't dynamic_cast<> a
 RefPtr<Gdk::Window> to a RefPtr<Gdk::Drawable> then please show us an
 example that shows that directly.
+
+------- Additional Comments From pprooi xs4all nl  2003-01-05 16:42 -------
+No, the problem is that  gtk_tree_view_create_row_drag_icon() does an
+upcast from a GdkPixmap to a GdkDrawable, which the gtkmm code then
+tries to wrap into a Gdk::Window (because the Gtk API of render() also
+has a GdkWindow argument, not GdkDrawable).
+
+This wrapping gives a null reference because of the dynamic cast from
+a Gdk::Drawable to a Gdk::Window that happens in Gdk::Window::wrap().
+(this is correct, because window is a subclass of drawable).
+
+The question is either:
+- should the wrapping code allow GdkDrawables to be wrapped in
+Gdk::Window objects (a comment in the code says the dynamic cast is
+there to support multiple inheritance). I don't know if this mixing of
+windows and drawables happens in other parts of the GTK.
+- or should the gtkmm vfunc wrapper for render() really have a
+drawable as its first argument (it would then deviate from the GTK API).
+- or should the Gtk API of the render() function be changed to a
+GdkDrawable ?
+
+  
+I've uploaded a small program which shows the wrapping failure
+
+



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Message: 2
From: bugzilla-daemon widget gnome org
To: gtkmm-forge lists sourceforge net
Cc: 
Date: Sun,  5 Jan 2003 16:44:00 -0500 (EST)
Subject: [gtkmm bugzilla] [Bug 102405] Changed - create_row_drag_icon and custom cell renderer problem

Please do not reply to this email- if you want to comment on the bug, go to the
URL shown below and enter your comments there.

http://bugzilla.gnome.org/show_bug.cgi?id=102405

Changed by pprooi xs4all nl 

--- shadow/102405	Sun Jan  5 16:42:09 2003
+++ shadow/102405.tmp.5060	Sun Jan  5 16:44:00 2003
@@ -70,6 +70,11 @@
 GdkDrawable ?
 
   
 I've uploaded a small program which shows the wrapping failure
 
 
+
+------- Additional Comments From pprooi xs4all nl  2003-01-05 16:43 -------
+Created an attachment (id=13367)
+code which wraps a drawable in a gtk::window
+



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Message: 3
From: bugzilla-daemon widget gnome org
To: gtkmm-forge lists sourceforge net, pprooi xs4all nl
Cc: 
Date: Mon,  6 Jan 2003 13:15:56 -0500 (EST)
Subject: [gtkmm bugzilla] [Bug 102405] Changed - create_row_drag_icon and custom cell renderer problem

Please do not reply to this email- if you want to comment on the bug, go to the
URL shown below and enter your comments there.

http://bugzilla.gnome.org/show_bug.cgi?id=102405

Changed by murrayc usa net 

--- shadow/102405	Sun Jan  5 16:44:00 2003
+++ shadow/102405.tmp.6583	Mon Jan  6 13:15:56 2003
@@ -1,21 +1,22 @@
 Bug#: 102405
 Product: gtkmm
-Version: 2.0
+Version: 2.2
 OS: Linux
 OS Details: 
 Status: NEW   
 Resolution: 
 Severity: normal
 Priority: Normal
 Component: TreeView
 AssignedTo: gtkmm-forge lists sourceforge net                            
 ReportedBy: pprooi xs4all nl               
-TargetMilestone: ---
+TargetMilestone: 3
 URL: 
 Summary: create_row_drag_icon and custom cell renderer problem
+BugsThisDependsOn: 102678
 
 (I'm not 100% sure if this is a gtkmm problem or a gtk+ API issue)
  
 I'm experimenting with a custom cell renderer derived from
 CellRendererText which has its own render_vfunc() method, which works
 fine when drawing normal rows.
@@ -75,6 +76,10 @@
 
 
 ------- Additional Comments From pprooi xs4all nl  2003-01-05 16:43 -------
 Created an attachment (id=13367)
 code which wraps a drawable in a gtk::window
 
+
+------- Additional Comments From murrayc usa net  2003-01-06 13:15 -------
+I added the GTK+ bug #102678. It doesn't look like we can fix this
+without breaking API/ABI. That's a pain.




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