working on QT change/get win property

modules/highgui/CMakeLists.txt

@@ -72,6 +72,7 @@ if(WIN32)
         
          #SET(QT_USE_QTXML 1)
 		 INCLUDE(${QT_USE_FILE})
+		 
 		 SET(_MOC_HEADERS src/window_QT.h)
 		 QT4_WRAP_CPP(_MOC_OUTFILES ${_MOC_HEADERS})
 		 
@@ -94,6 +95,7 @@ if(UNIX)
     
          #SET(QT_USE_QTXML 1)
 		 INCLUDE(${QT_USE_FILE})
+		 
 		 SET(_MOC_HEADERS src/window_QT.h)
 		 QT4_WRAP_CPP(_MOC_OUTFILES ${_MOC_HEADERS})
 		 
@@ -186,6 +188,7 @@ if(APPLE)
 
          #SET(QT_USE_QTXML 1)
 		 INCLUDE(${QT_USE_FILE})
+		 
 		 SET(_MOC_HEADERS src/window_QT.h)
 		 QT4_WRAP_CPP(_MOC_OUTFILES ${_MOC_HEADERS})
 		 

modules/highgui/src/window_QT.cpp

@@ -55,15 +55,13 @@ QMutex mutexKey;
 
 
 //end declaration
-
-CV_IMPL int cvChangeMode_QT(const char* name,int prop_value)
+void cvChangeMode_QT(const char* name, double prop_value)
 {
 	//CV_WINDOW_NORMAL or CV_WINDOW_FULLSCREEN 
-	
-	return 0;
+
 }
 
-CV_IMPL int cvGetMode_QT(const char* name)
+double cvGetMode_QT(const char* name)
 {
 	
 	return 0;
@@ -74,9 +72,10 @@ CV_IMPL int cvWaitKey( int arg )
 	
 	CV_FUNCNAME( "cvWaitKey" );
 
-    __BEGIN__;
-
     int result = -1;
+
+    __BEGIN__;
+    
     unsigned long delayms;//in milliseconds
     if (arg<=0)
         delayms = ULONG_MAX;
@@ -150,13 +149,14 @@ CV_IMPL CvWindow* icvFindWindowByName( const char* arg )
 		
 	CV_FUNCNAME( "icvFindWindowByName" );
 
+    QPointer<CvWindow> window = NULL;
+
     __BEGIN__;
     
     if( !arg )
         CV_Error( CV_StsNullPtr, "NULL name string" );
 
     QString name(arg);
-    QPointer<CvWindow> window = NULL;
     QPointer<CvWindow> w;
     foreach (QWidget *widget, QApplication::topLevelWidgets())
     {
@@ -177,6 +177,8 @@ CV_IMPL CvTrackbar* icvFindTrackbarByName( const char* name_trackbar, const char
 
 	CV_FUNCNAME( "icvFindTrackbarByName" );
 
+    QPointer<CvTrackbar> result = NULL;
+    
     __BEGIN__;
 
     QPointer<CvWindow> w = icvFindWindowByName( name_window );
@@ -185,7 +187,6 @@ CV_IMPL CvTrackbar* icvFindTrackbarByName( const char* name_trackbar, const char
         CV_Error( CV_StsNullPtr, "NULL window handler" );
 
     QString nameQt = QString(name_trackbar);
-    QPointer<CvTrackbar> result = NULL;
     QPointer<CvTrackbar> t;
 
     //for now, only trackbar are added so the Mutable cast is ok.
@@ -394,11 +395,11 @@ CV_IMPL int cvCreateTrackbar( const char* trackbar_name, const char* window_name
 CV_IMPL int cvGetTrackbarPos( const char* trackbar_name, const char* window_name )
 {
 	CV_FUNCNAME( "cvGetTrackbarPos" );
-
-    __BEGIN__;
     
     int result = -1;
     
+    __BEGIN__;
+    
     QPointer<CvTrackbar> t = icvFindTrackbarByName(  trackbar_name, window_name );
 
     if (t)
@@ -621,12 +622,15 @@ CvTrackbar::CvTrackbar(CvWindow* arg, QString name, int* value, int count, CvTra
 
 
     //Change style of the Slider
-    QFile qss(PATH_QSLIDERCSS);
-    if (qss.open(QFile::ReadOnly))
-    {
-        slider->setStyleSheet(QLatin1String(qss.readAll()));
-        qss.close();
-    }
+    slider->setStyleSheet(str_Trackbar_css);
+    
+    //QFile qss(PATH_QSLIDERCSS);
+    //if (qss.open(QFile::ReadOnly))
+    //{
+        //slider->setStyleSheet(QLatin1String(qss.readAll()));
+        //qss.close();
+    //}
+    
 
     //does not work if we change the style with a stylesheet, why ?
     //slider->setTickPosition(QSlider::TicksBelow);

modules/highgui/src/window_QT.h

@@ -68,7 +68,6 @@
 //Macro here
 #define CV_MODE_NORMAL   0
 #define CV_MODE_OPENGL   1
-#define PATH_QSLIDERCSS "../SliderCss.qss"
 //end macro
 
 //Here declare everything
@@ -203,3 +202,66 @@ private:
 private slots:
     void stopDisplayInfo();
 };
+
+
+//here css for trackbar
+/* from http://thesmithfam.org/blog/2010/03/10/fancy-qslider-stylesheet */
+//#define PATH_QSLIDERCSS ":/qss/window_QT.qss"
+static const QString str_Trackbar_css = "QSlider::groove:horizontal {";/*
++										"border: 1px solid #bbb;"
++										"background: white;"
++										"height: 10px;"
++										"border-radius: 4px;"
++										"}";
+
+
+QSlider::sub-page:horizontal {
+background: qlineargradient(x1: 0, y1: 0,    x2: 0, y2: 1,
+stop: 0 #66e, stop: 1 #bbf);
+background: qlineargradient(x1: 0, y1: 0.2, x2: 1, y2: 1,
+stop: 0 #bbf, stop: 1 #55f);
+border: 1px solid #777;
+height: 10px;
+border-radius: 4px;
+}
+
+QSlider::add-page:horizontal {
+background: #fff;
+border: 1px solid #777;
+height: 10px;
+border-radius: 4px;
+}
+
+QSlider::handle:horizontal {
+background: qlineargradient(x1:0, y1:0, x2:1, y2:1,
+stop:0 #eee, stop:1 #ccc);
+border: 1px solid #777;
+width: 13px;
+margin-top: -2px;
+margin-bottom: -2px;
+border-radius: 4px;
+}
+
+QSlider::handle:horizontal:hover {
+background: qlineargradient(x1:0, y1:0, x2:1, y2:1,
+stop:0 #fff, stop:1 #ddd);
+border: 1px solid #444;
+border-radius: 4px;
+}
+
+QSlider::sub-page:horizontal:disabled {
+background: #bbb;
+border-color: #999;
+}
+
+QSlider::add-page:horizontal:disabled {
+background: #eee;
+border-color: #999;
+}
+
+QSlider::handle:horizontal:disabled {
+background: #eee;
+border: 1px solid #aaa;
+border-radius: 4px;
+}*/
+