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author | Michele Calgaro <[email protected]> | 2024-07-20 20:15:52 +0900 |
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committer | Michele Calgaro <[email protected]> | 2024-07-21 23:04:19 +0900 |
commit | 1e9fa8e06de5da7fcc268e9cccb2d6b21c5f53a3 (patch) | |
tree | 5f1bb482f68ee0f95843fbf375cd2274acdabf25 /examples/opengl/overlay_x11/overlay_x11.doc | |
parent | 14c414378d96f7463b989384f4a0e5dd76632b6d (diff) | |
download | tqt3-1e9fa8e06de5da7fcc268e9cccb2d6b21c5f53a3.tar.gz tqt3-1e9fa8e06de5da7fcc268e9cccb2d6b21c5f53a3.zip |
Rename graphics class nt* related files to equivalent tq* (part 2)
Signed-off-by: Michele Calgaro <[email protected]>
Diffstat (limited to 'examples/opengl/overlay_x11/overlay_x11.doc')
-rw-r--r-- | examples/opengl/overlay_x11/overlay_x11.doc | 14 |
1 files changed, 7 insertions, 7 deletions
diff --git a/examples/opengl/overlay_x11/overlay_x11.doc b/examples/opengl/overlay_x11/overlay_x11.doc index 8b2f0a459..d38bff08c 100644 --- a/examples/opengl/overlay_x11/overlay_x11.doc +++ b/examples/opengl/overlay_x11/overlay_x11.doc @@ -7,7 +7,7 @@ direct support for use of OpenGL overlays. For many uses of overlays, this makes the technique described below redundant. See the \link opengl-overlay-example.html overlay\endlink example program. The -following is a discussion on how to use non-QGL widgets in overlay +following is a discussion on how to use non-TQGL widgets in overlay planes. Overlayrubber: An example program showing how to use TQt and TQt OpenGL @@ -21,11 +21,11 @@ information on \link opengl-x11-overlays.html overlays\endlink. The example program has three main parts: \list 1 -\i \e GearWidget - a normal, simple QGLWidget. This renders the usual +\i \e GearWidget - a normal, simple TQGLWidget. 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 -the QGLWidget resides. +the TQGLWidget resides. \i \e RubberbandWidget - Very simple standard (non-GL) TQt widget that implements rubberband drawing. Designed for use in an overlay plane. @@ -42,7 +42,7 @@ color of that plane. \section1 Running the Example Start the \c overlayrubber executable. Click and drag with the left -mouse button to see rubberband drawing. Observe that the QGLWidget +mouse button to see rubberband drawing. Observe that the TQGLWidget does not redraw itself (no redraw debug messages are output), and yet the image is not destroyed. Marvel at the coolness of X11 overlays! @@ -63,15 +63,15 @@ 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 QLayout object. Have it -keep a pointer to the other (i.e. the QGLWidget knows about its +keep a pointer to the other (i.e. the TQGLWidget 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. -\i \e{Using together with QPalette and TQColorGroup.} Instead of the +\i \e{Using together with TQPalette and TQColorGroup.} Instead of the simplistic setBackgroundColor( transparentColor ), you can -use Qt's QPalette system to make your overlay widgets use +use Qt's TQPalette system to make your overlay widgets use transparent color for what you want. This way, the normal TQt widgets can be used as overlays for fancy effects. Just create a palette for them with the transparent color for the relevant color roles, e.g. |