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made windows and the image buttons transparent, at last

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fix for issue #793, see http://bugs.campware.org/view.php?id=793
This commit is contained in:
maroy 2005-04-13 14:47:55 +00:00
parent a7baf17231
commit 7cbec7fbf2
11 changed files with 274 additions and 30 deletions
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19
livesupport/modules/widgets/src/ImageButton.cxx
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@ -21,8 +21,8 @@
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
Author : $Author: fgerlits $
Version : $Revision: 1.5 $
Author : $Author: maroy $
Version : $Revision: 1.6 $
Location : $Source: /home/paul/cvs2svn-livesupport/newcvsrepo/livesupport/modules/widgets/src/ImageButton.cxx,v $
------------------------------------------------------------------------------*/
@ -61,6 +61,10 @@ ImageButton :: ImageButton(Glib::RefPtr<Gdk::Pixbuf> image)
state = passiveState;
this->passiveImage = image;
this->rollImage.clear();
// read the mask from a transparent PNG, and set it to this widget
Glib::RefPtr<Gdk::Pixmap> pixmap;
passiveImage->render_pixmap_and_mask(pixmap, passiveMask, 100);
}
@ -76,6 +80,11 @@ ImageButton :: ImageButton(Glib::RefPtr<Gdk::Pixbuf> passiveImage,
state = passiveState;
this->passiveImage = passiveImage;
this->rollImage = rollImage;
// read the mask from a transparent PNG, and set it to this widget
Glib::RefPtr<Gdk::Pixmap> pixmap;
passiveImage->render_pixmap_and_mask(pixmap, passiveMask, 100);
rollImage->render_pixmap_and_mask(pixmap, rollMask, 100);
}
@ -260,17 +269,23 @@ ImageButton :: on_expose_event(GdkEventExpose* event) throw ()
gdkWindow->clear();
Glib::RefPtr<Gdk::Pixbuf> image;
Glib::RefPtr<Gdk::Bitmap> mask;
switch (state) {
case passiveState:
default:
image = passiveImage;
mask = passiveMask;
break;
case rollState:
image = rollImage ? rollImage : passiveImage;
mask = rollMask ? rollMask : passiveMask;
break;
}
// set the transparency mask
get_window()->shape_combine_mask(mask, 0, 0);
// just draw the button image at the centre of the available space
int x = (get_width() - image->get_width()) / 2;