Hi a had multiple problems building this widget but I always knew where to look
and I fixed them. But now I have a problem that I am truly clueless on how to
solve it. Let me explain. I am trying to develop a program which uses
Gstreamer, so I needed a video widget.
This widget should do the following:
1.Use 1 GdkWindow for Gstreamer to draw the video frames.
2.Use another GdkWindow behind the one above which is painted black. So I will
resize the first GdkWindow to the ratio of the video and the remaining space
will be filled black by the other GdkWindow.
3.Be able to show buttons on top of these 2 GdkWindows.(ie play/pause/stop).
I have managed to do the first 2 things. The last one is problematic. I derive
my custom widget from Gtk::Fixed(yes C++, but plz all you C guys help me). So
when I add() something it shows well on the "background" GdkWindow but it is
covered by the "foreground" GdkWindow. So in order not to confuse you I will
include a test program. Let me explain what you see in the program:
1.the red GdkWindow is the background(should be filled black later)
2.the green GdkWindow is the foreground(used later by Gst to draw frames)
3.The "test button" when clicked removes itself from the current container and
adds itself in the video_widget. But it is partially covered by the green
GdkWindow.
So my main question is, how do I show widgets on top of the green GdkWindow? Do
I have to draw them myself? Is there something simpler?
Thank you in advance, I truly don't have an idea what to do.
Ps. the idea for the video widget I took it from the sources of totem. But I
couldn't understand/find how it displays widgets above the 2 GdkWindows it
creates for the "bacon widget".
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