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Diffstat (limited to 'doc/html/opengl-overlay-x11-example.html')
| -rw-r--r-- | doc/html/opengl-overlay-x11-example.html | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/doc/html/opengl-overlay-x11-example.html b/doc/html/opengl-overlay-x11-example.html index c49535ad5..e161bfefd 100644 --- a/doc/html/opengl-overlay-x11-example.html +++ b/doc/html/opengl-overlay-x11-example.html @@ -45,7 +45,7 @@ Extension with X11 overlay visuals. information on <a href="opengl-x11-overlays.html">overlays</a>. <p> The example program has three main parts: <p> <ol type=1> -<li> <em>GearWidget</em> - a normal, simple <a href="qglwidget.html">TQGLWidget</a>. This renders the usual +<li> <em>GearWidget</em> - a normal, simple <a href="tqglwidget.html">TQGLWidget</a>. This renders the usual gears. It has been modified to print a debug message every time it redraws (renders) itself. Thus, you can easily confirm that drawing in the overlay plane does not cause redrawings in the main plane where @@ -63,7 +63,7 @@ color of that plane. <p> <h2> Running the Example </h2> <a name="1"></a><p> Start the <tt>overlayrubber</tt> executable. Click and drag with the left -mouse button to see rubberband drawing. Observe that the <a href="qglwidget.html">TQGLWidget</a> +mouse button to see rubberband drawing. Observe that the <a href="tqglwidget.html">TQGLWidget</a> does not redraw itself (no redraw debug messages are output), and yet the image is not destroyed. Marvel at the coolness of X11 overlays! <p> <h2> Using this technique in a real application @@ -79,12 +79,12 @@ be moved, resized, or removed without destroying the OpenGL image. putting one widget (the overlay) on top of another (the OpenGL widget); that would defy the whole purpose of the automatic layout. The solution is to add just one of them to the TQLayout object. Have it -keep a pointer to the other (i.e. the <a href="qglwidget.html">TQGLWidget</a> knows about its +keep a pointer to the other (i.e. the <a href="tqglwidget.html">TQGLWidget</a> knows about its overlay widget or vice versa). Implement the resizeEvent() method of the widget you put in the layout, and make it call setGeometry() on the other widget with its own geometry as parameters, thus keeping the two widgets' geometries synchronized. -<p> <li> <em>Using together with <a href="ntqpalette.html">TQPalette</a> and <a href="tqcolorgroup.html">TQColorGroup</a>.</em> Instead of the +<p> <li> <em>Using together with <a href="tqpalette.html">TQPalette</a> and <a href="tqcolorgroup.html">TQColorGroup</a>.</em> Instead of the simplistic setBackgroundColor( transparentColor ), you can use TQt's TQPalette system to make your overlay widgets use transparent color for what you want. This way, the normal TQt widgets |