108 lines
4.0 KiB
Plaintext
108 lines
4.0 KiB
Plaintext
This now builds with cmake if added to the osg examples tree. A change to
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examples/CMakeLists.txt is also required.
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It is also possible to build this stand alone with qmake using the .pro file.
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I think I've made the .pro sufficiently generic to build anywhere. The first
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couple of lines in the file need to be adjusted for anyone's local environment.
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This builds and runs on Linux and Win32 OK. See status section.
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Mac has some problems. Qt was 4.4.2 and Mac OS X 10.5.2. 1) Had to adjust the
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.pro file to hide QT_NO_DEBUG_OUTPUT or problems with a Frameworks header. 2)
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Had to eliminate the outboard window to avoid a crash. 3) Only the lower-left
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of the 4 views is OK. The other 3 views filled with frame buffer garbage. 4)
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Maximize twice and we loose the lower-left too.
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My colleague Liz Martin collaborated on the design and did the Qt work.
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She is known for her copious comments. -- Don Leich, Intelligent Light
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Linux/Win32 builds (on Mac substitute make for gmake):
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gmake clean
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qmake qosgwidget.pro
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gmake
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12/05/08 Status
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---------------
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o Implemented the skeleton of CompositeViewerQOSG and ViewQOSG (in
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QOSGWidget.cpp)
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o In testMainWin.ui, osgGraphicsArea is a "promoted" widget: It is promoted to
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CompositeViewerQOSG
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CompositeViewerQOSG inherits from both QWidget and osgViewer::CompositeViewer
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o ViewQOSG inherits from QOSGWidget (which inherits from QWidget) and
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osgViewer::View
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o Bagged on allowing tab focus between the ViewQOSG widgets because:
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o on resizing, OSG's CompositeViewer sets the camera (and view) focus to its
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first osgViewer::View, which can create a disconnect between the Qt widget
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(ie ViewQOSG) that has the focus and is receiving keyboard events, and the
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actual ViewQOSG that the composite viewer acts on
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o From empirical observation, it didn't seem to matter which ViewQOSG
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received the keyboard event; the composite viewer applied the designated
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action to the view the composite viewer consider current
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o TAB focus would be given to a ViewQOSG even it had been completely
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collapsed via QSplitter action in the QMainWindow. I was not successful
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in my attempts to modify this behavior.
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12/15/08 Status
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---------------
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o In this area, in testMainWin.ui, not only is osgGraphicsArea a promoted
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widget (to CompositeViewerQOSG), but the 4 subviews are now also promoted
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widgets, to ViewQOSG.
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o I eliminated QOSGWidget::eventFilter().
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o In QOSGWidget::QOSGWidget(), I no longer take x, y, width, and height from
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the 'parent', I simply take it from itself.
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Unfortunately, these changes don't help the Windows exe at all. Linux
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continues to run just fine. But Windows doesn't see that TAB, and doesn't see
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any *results* of the Key presses (Like 'l' to change lighting.)
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5/15/09 Status
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---------------
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o Applied Martin Beckett's fix for WIN32 event queue handling.
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5/19/09 Status
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---------------
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o Altered WIN32 event queue handling to not skip key events.
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o Got Mac to build and sort of run. Qt is 4.4.2 and Mac OS X 10.5.2.
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1) Had to adjust the .pro file to hide QT_NO_DEBUG_OUTPUT or problems with
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a Frameworks header. 2) Had to eliminate the outboard window to
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avoid a crash. 3) Only the lower-left of the 4 views is OK.
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The other 3 views filled with frame buffer garbage. 4) Maximize
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twice and we loose the lower-left too.
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6/18/09 Status
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---------------
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o Simon Loic provided cmake infrastructure and help me debug some cmake
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configuration problems. I needed to wipe my out-of-source object tree
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and start over explicitly defining QT version 4, ala:
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ccmake ../OpenSceneGraph-2.8.1 -DDESIRED_QT_VERSION=4
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o Reimplemented QWidget::paintEngine to return 0 as recommended by doc.
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This is purported to stop Qt from rendering anything in our windows.
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o Eric Pouliquen recommended replacing setAttribute Qt::WA_PaintOnScreen
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and Qt::WA_NoSystemBackground with Qt::WA_OpaquePaintEvent. Seems best
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if we add Qt::WA_OpaquePaintEvent, get rid of Qt::WA_NoSystemBackground,
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but keep Qt::WA_PaintOnScreen.
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