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Qt on Windows -- in progress

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pull/13383/head
Yannick Verdie 15 years ago
parent 99e2a9bd8d
commit b0ab2ef16d
2 changed files with 108 additions and 48 deletions
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  1. 120
      modules/highgui/src/window_QT.cpp

120
modules/highgui/src/window_QT.cpp
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@ -44,7 +44,7 @@
#include <window_QT.h> #include <window_QT.h>
//Static and global first //Static and global first
static GuiReceiver guiMainThread; static GuiReceiver *guiMainThread = NULL;
static int parameterSystemC = 1; static int parameterSystemC = 1;
static char* parameterSystemV[] = {""}; static char* parameterSystemV[] = {""};
static bool multiThreads = false; static bool multiThreads = false;
@ -84,7 +84,11 @@ CV_IMPL CvFont cvFont_Qt(const char* nameFont, int pointSize,CvScalar color,int
CV_IMPL void cvAddText( CvArr* img, const char* text, CvPoint org, CvFont* font) CV_IMPL void cvAddText( CvArr* img, const char* text, CvPoint org, CvFont* font)
{ {
QMetaObject::invokeMethod(&guiMainThread,
if (!guiMainThread)
CV_Error( CV_StsNullPtr, "NULL guiReceiver (please create a window)" );
QMetaObject::invokeMethod(guiMainThread,
"putText", "putText",
Qt::AutoConnection, Qt::AutoConnection,
Q_ARG(void*, (void*) img), Q_ARG(void*, (void*) img),
@ -95,8 +99,12 @@ CV_IMPL void cvAddText( CvArr* img, const char* text, CvPoint org, CvFont* font)
double cvGetRatioWindow_QT(const char* name) double cvGetRatioWindow_QT(const char* name)
{ {
if (!guiMainThread)
CV_Error( CV_StsNullPtr, "NULL guiReceiver (please create a window)" );
double result = -1; double result = -1;
QMetaObject::invokeMethod(&guiMainThread, QMetaObject::invokeMethod(guiMainThread,
"getRatioWindow", "getRatioWindow",
//Qt::DirectConnection, //Qt::DirectConnection,
Qt::AutoConnection, Qt::AutoConnection,
@ -107,7 +115,11 @@ double cvGetRatioWindow_QT(const char* name)
void cvSetRatioWindow_QT(const char* name,double prop_value) void cvSetRatioWindow_QT(const char* name,double prop_value)
{ {
QMetaObject::invokeMethod(&guiMainThread,
if (!guiMainThread)
CV_Error( CV_StsNullPtr, "NULL guiReceiver (please create a window)" );
QMetaObject::invokeMethod(guiMainThread,
"setRatioWindow", "setRatioWindow",
Qt::AutoConnection, Qt::AutoConnection,
Q_ARG(QString, QString(name)), Q_ARG(QString, QString(name)),
@ -116,8 +128,12 @@ void cvSetRatioWindow_QT(const char* name,double prop_value)
double cvGetPropWindow_QT(const char* name) double cvGetPropWindow_QT(const char* name)
{ {
if (!guiMainThread)
CV_Error( CV_StsNullPtr, "NULL guiReceiver (please create a window)" );
double result = -1; double result = -1;
QMetaObject::invokeMethod(&guiMainThread, QMetaObject::invokeMethod(guiMainThread,
"getPropWindow", "getPropWindow",
//Qt::DirectConnection, //Qt::DirectConnection,
Qt::AutoConnection, Qt::AutoConnection,
@ -128,7 +144,11 @@ double cvGetPropWindow_QT(const char* name)
void cvSetPropWindow_QT(const char* name,double prop_value) void cvSetPropWindow_QT(const char* name,double prop_value)
{ {
QMetaObject::invokeMethod(&guiMainThread,
if (!guiMainThread)
CV_Error( CV_StsNullPtr, "NULL guiReceiver (please create a window)" );
QMetaObject::invokeMethod(guiMainThread,
"setPropWindow", "setPropWindow",
Qt::AutoConnection, Qt::AutoConnection,
Q_ARG(QString, QString(name)), Q_ARG(QString, QString(name)),
@ -137,7 +157,11 @@ void cvSetPropWindow_QT(const char* name,double prop_value)
void cvSetModeWindow_QT(const char* name, double prop_value) void cvSetModeWindow_QT(const char* name, double prop_value)
{ {
QMetaObject::invokeMethod(&guiMainThread,
if (!guiMainThread)
CV_Error( CV_StsNullPtr, "NULL guiReceiver (please create a window)" );
QMetaObject::invokeMethod(guiMainThread,
"toggleFullScreen", "toggleFullScreen",
Qt::AutoConnection, Qt::AutoConnection,
Q_ARG(QString, QString(name)), Q_ARG(QString, QString(name)),
@ -146,9 +170,12 @@ void cvSetModeWindow_QT(const char* name, double prop_value)
double cvGetModeWindow_QT(const char* name) double cvGetModeWindow_QT(const char* name)
{ {
if (!guiMainThread)
CV_Error( CV_StsNullPtr, "NULL guiReceiver (please create a window)" );
double result = -1; double result = -1;
QMetaObject::invokeMethod(&guiMainThread, QMetaObject::invokeMethod(guiMainThread,
"isFullScreen", "isFullScreen",
Qt::AutoConnection, Qt::AutoConnection,
Q_RETURN_ARG(double, result), Q_RETURN_ARG(double, result),
@ -158,8 +185,10 @@ double cvGetModeWindow_QT(const char* name)
CV_IMPL void cvDisplayOverlay(const char* name, const char* text, int delayms) CV_IMPL void cvDisplayOverlay(const char* name, const char* text, int delayms)
{ {
if (!guiMainThread)
CV_Error( CV_StsNullPtr, "NULL guiReceiver (please create a window)" );
QMetaObject::invokeMethod(&guiMainThread, QMetaObject::invokeMethod(guiMainThread,
"displayInfo", "displayInfo",
Qt::AutoConnection, Qt::AutoConnection,
//Qt::DirectConnection, //Qt::DirectConnection,
@ -171,7 +200,10 @@ CV_IMPL void cvDisplayOverlay(const char* name, const char* text, int delayms)
CV_IMPL void cvSaveWindowParameters(const char* name) CV_IMPL void cvSaveWindowParameters(const char* name)
{ {
QMetaObject::invokeMethod(&guiMainThread, if (!guiMainThread)
CV_Error( CV_StsNullPtr, "NULL guiReceiver (please create a window)" );
QMetaObject::invokeMethod(guiMainThread,
"saveWindowParameters", "saveWindowParameters",
Qt::AutoConnection, Qt::AutoConnection,
Q_ARG(QString, QString(name))); Q_ARG(QString, QString(name)));
@ -179,7 +211,10 @@ CV_IMPL void cvSaveWindowParameters(const char* name)
CV_IMPL void cvLoadWindowParameters(const char* name) CV_IMPL void cvLoadWindowParameters(const char* name)
{ {
QMetaObject::invokeMethod(&guiMainThread, if (!guiMainThread)
CV_Error( CV_StsNullPtr, "NULL guiReceiver (please create a window)" );
QMetaObject::invokeMethod(guiMainThread,
"loadWindowParameters", "loadWindowParameters",
Qt::AutoConnection, Qt::AutoConnection,
Q_ARG(QString, QString(name))); Q_ARG(QString, QString(name)));
@ -187,8 +222,10 @@ CV_IMPL void cvLoadWindowParameters(const char* name)
CV_IMPL void cvDisplayStatusBar(const char* name, const char* text, int delayms) CV_IMPL void cvDisplayStatusBar(const char* name, const char* text, int delayms)
{ {
if (!guiMainThread)
CV_Error( CV_StsNullPtr, "NULL guiReceiver (please create a window)" );
QMetaObject::invokeMethod(&guiMainThread, QMetaObject::invokeMethod(guiMainThread,
"displayStatusBar", "displayStatusBar",
Qt::AutoConnection, Qt::AutoConnection,
//Qt::DirectConnection, //Qt::DirectConnection,
@ -229,8 +266,8 @@ CV_IMPL int cvWaitKey( int arg )
//cannot use wait here because events will not be distributed before processEvents (the main eventLoop is broken) //cannot use wait here because events will not be distributed before processEvents (the main eventLoop is broken)
//so I create a Thread for the QTimer //so I create a Thread for the QTimer
QTimer timer(&guiMainThread); QTimer timer(guiMainThread);
QObject::connect(&timer, SIGNAL(timeout()), &guiMainThread, SLOT(timeOut())); QObject::connect(&timer, SIGNAL(timeout()), guiMainThread, SLOT(timeOut()));
timer.setSingleShot(true); timer.setSingleShot(true);
if (arg>0) if (arg>0)
@ -238,7 +275,7 @@ CV_IMPL int cvWaitKey( int arg )
//QMutex dummy; //QMutex dummy;
while(!guiMainThread._bTimeOut) while(!guiMainThread->_bTimeOut)
{ {
qApp->processEvents(QEventLoop::AllEvents); qApp->processEvents(QEventLoop::AllEvents);
@ -273,7 +310,7 @@ CV_IMPL int cvWaitKey( int arg )
} }
} }
guiMainThread._bTimeOut = false; guiMainThread->_bTimeOut = false;
} }
@ -287,7 +324,7 @@ CV_IMPL int cvStartLoop(int (*pt2Func)(int argc, char *argv[]), int argc, char*
{ {
multiThreads = true; multiThreads = true;
QFuture<int> future = QtConcurrent::run(pt2Func,argc,argv); QFuture<int> future = QtConcurrent::run(pt2Func,argc,argv);
return guiMainThread.start(); return guiMainThread->start();
} }
CV_IMPL void cvStopLoop() CV_IMPL void cvStopLoop()
@ -405,8 +442,11 @@ int icvInitSystem()
CV_IMPL int cvNamedWindow( const char* name, int flags ) CV_IMPL int cvNamedWindow( const char* name, int flags )
{ {
if (!guiMainThread)
guiMainThread = new GuiReceiver;
if (multiThreads) if (multiThreads)
QMetaObject::invokeMethod(&guiMainThread, QMetaObject::invokeMethod(guiMainThread,
"createWindow", "createWindow",
//Qt::AutoConnection, //Qt::AutoConnection,
Qt::BlockingQueuedConnection, Qt::BlockingQueuedConnection,
@ -415,14 +455,17 @@ CV_IMPL int cvNamedWindow( const char* name, int flags )
Q_ARG(QString, QString(name)), Q_ARG(QString, QString(name)),
Q_ARG(int, flags)); Q_ARG(int, flags));
else else
guiMainThread.createWindow(QString(name),flags); guiMainThread->createWindow(QString(name),flags);
return 1;//Dummy value return 1;//Dummy value
} }
CV_IMPL void cvDestroyWindow( const char* name ) CV_IMPL void cvDestroyWindow( const char* name )
{ {
QMetaObject::invokeMethod(&guiMainThread, if (!guiMainThread)
CV_Error( CV_StsNullPtr, "NULL guiReceiver (please create a window)" );
QMetaObject::invokeMethod(guiMainThread,
"destroyWindow", "destroyWindow",
//Qt::BlockingQueuedConnection, //Qt::BlockingQueuedConnection,
Qt::AutoConnection, Qt::AutoConnection,
@ -432,13 +475,14 @@ CV_IMPL void cvDestroyWindow( const char* name )
CV_IMPL void cvDestroyAllWindows(void) CV_IMPL void cvDestroyAllWindows(void)
{ {
if (!guiMainThread)
CV_Error( CV_StsNullPtr, "NULL guiReceiver (please create a window)" );
QMetaObject::invokeMethod(&guiMainThread, QMetaObject::invokeMethod(guiMainThread,
"destroyAllWindow", "destroyAllWindow",
//Qt::BlockingQueuedConnection, //Qt::BlockingQueuedConnection,
Qt::AutoConnection Qt::AutoConnection
); );
} }
CV_IMPL void* cvGetWindowHandle( const char* name ) CV_IMPL void* cvGetWindowHandle( const char* name )
@ -461,8 +505,10 @@ CV_IMPL const char* cvGetWindowName( void* window_handle )
CV_IMPL void cvMoveWindow( const char* name, int x, int y ) CV_IMPL void cvMoveWindow( const char* name, int x, int y )
{ {
if (!guiMainThread)
CV_Error( CV_StsNullPtr, "NULL guiReceiver (please create a window)" );
QMetaObject::invokeMethod(&guiMainThread, QMetaObject::invokeMethod(guiMainThread,
"moveWindow", "moveWindow",
//Qt::BlockingQueuedConnection, //Qt::BlockingQueuedConnection,
Qt::AutoConnection, Qt::AutoConnection,
@ -476,7 +522,10 @@ CV_IMPL void cvMoveWindow( const char* name, int x, int y )
CV_IMPL void cvResizeWindow(const char* name, int width, int height ) CV_IMPL void cvResizeWindow(const char* name, int width, int height )
{ {
QMetaObject::invokeMethod(&guiMainThread, if (!guiMainThread)
CV_Error( CV_StsNullPtr, "NULL guiReceiver (please create a window)" );
QMetaObject::invokeMethod(guiMainThread,
"resizeWindow", "resizeWindow",
//Qt::BlockingQueuedConnection, //Qt::BlockingQueuedConnection,
Qt::AutoConnection, Qt::AutoConnection,
@ -500,8 +549,10 @@ CV_IMPL int cvStartWindowThread()
CV_IMPL int cvCreateTrackbar( const char* name_bar, const char* window_name, int* value, int count, CvTrackbarCallback on_change) CV_IMPL int cvCreateTrackbar( const char* name_bar, const char* window_name, int* value, int count, CvTrackbarCallback on_change)
{ {
if (!guiMainThread)
CV_Error( CV_StsNullPtr, "NULL guiReceiver (please create a window)" );
QMetaObject::invokeMethod(&guiMainThread, QMetaObject::invokeMethod(guiMainThread,
"addSlider", "addSlider",
Qt::AutoConnection, Qt::AutoConnection,
Q_ARG(QString, QString(name_bar)), Q_ARG(QString, QString(name_bar)),
@ -518,10 +569,13 @@ CV_IMPL int cvCreateTrackbar( const char* name_bar, const char* window_name, int
CV_IMPL int cvCreateButton(const char* button_name,CvButtonCallback on_change, void* userdata , int button_type, int initial_button_state ) CV_IMPL int cvCreateButton(const char* button_name,CvButtonCallback on_change, void* userdata , int button_type, int initial_button_state )
{ {
if (!guiMainThread)
CV_Error( CV_StsNullPtr, "NULL guiReceiver (please create a window)" );
if (initial_button_state < 0 || initial_button_state > 1) if (initial_button_state < 0 || initial_button_state > 1)
return 0; return 0;
QMetaObject::invokeMethod(&guiMainThread, QMetaObject::invokeMethod(guiMainThread,
"addButton", "addButton",
Qt::AutoConnection, Qt::AutoConnection,
Q_ARG(QString, QString(button_name)), Q_ARG(QString, QString(button_name)),
@ -536,7 +590,10 @@ CV_IMPL int cvCreateButton(const char* button_name,CvButtonCallback on_change, v
CV_IMPL void cvCreateOpenGLCallback( const char* window_name, CvOpenGLCallback callbackOpenGL, void* userdata, double angle, double zmin, double zmax) CV_IMPL void cvCreateOpenGLCallback( const char* window_name, CvOpenGLCallback callbackOpenGL, void* userdata, double angle, double zmin, double zmax)
{ {
QMetaObject::invokeMethod(&guiMainThread, if (!guiMainThread)
CV_Error( CV_StsNullPtr, "NULL guiReceiver (please create a window)" );
QMetaObject::invokeMethod(guiMainThread,
"setOpenGLCallback", "setOpenGLCallback",
Qt::AutoConnection, Qt::AutoConnection,
Q_ARG(QString, QString(window_name)), Q_ARG(QString, QString(window_name)),
@ -585,7 +642,10 @@ CV_IMPL void cvSetMouseCallback( const char* window_name, CvMouseCallback on_mou
CV_IMPL void cvShowImage( const char* name, const CvArr* arr ) CV_IMPL void cvShowImage( const char* name, const CvArr* arr )
{ {
QMetaObject::invokeMethod(&guiMainThread, if (!guiMainThread)
guiMainThread = new GuiReceiver;
QMetaObject::invokeMethod(guiMainThread,
"showImage", "showImage",
//Qt::BlockingQueuedConnection, //Qt::BlockingQueuedConnection,
Qt::DirectConnection, Qt::DirectConnection,
@ -600,7 +660,7 @@ CV_IMPL void cvShowImage( const char* name, const CvArr* arr )
GuiReceiver::GuiReceiver() : _bTimeOut(false) GuiReceiver::GuiReceiver() : _bTimeOut(false)
{ {
icvInitSystem(); icvInitSystem();
qApp->setQuitOnLastWindowClosed ( false );//maybe the user would like to access this setting //qApp->setQuitOnLastWindowClosed ( false );//maybe the user would like to access this setting
} }
void GuiReceiver::putText(void* arg1, QString text, QPoint org, void* arg2) void GuiReceiver::putText(void* arg1, QString text, QPoint org, void* arg2)
@ -2236,7 +2296,7 @@ void ViewPort::paintEvent(QPaintEvent* event)
#endif #endif
//Now disable matrixWorld for overlay display //Now disable matrixWorld for overlay display
//myPainter.setWorldMatrixEnabled (false ); myPainter.setWorldMatrixEnabled (false );
//in mode zoom/panning //in mode zoom/panning
if (param_matrixWorld.m11()>1) if (param_matrixWorld.m11()>1)

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