From be292046d8504279a70d61fc91f8ad0f4a625fe4 Mon Sep 17 00:00:00 2001
From: Yannick Verdie <no@email>
Date: Sat, 12 Jun 2010 18:08:27 +0000
Subject: [PATCH] working on QT change/get win property (done) Fullscreen done
 change autoresize dynamically done

---
 modules/highgui/src/precomp.hpp   | 10 ++++-
 modules/highgui/src/window.cpp    |  6 +--
 modules/highgui/src/window_QT.cpp | 74 ++++++++++++++++++++++++++-----
 modules/highgui/src/window_QT.h   |  2 +
 4 files changed, 77 insertions(+), 15 deletions(-)

diff --git a/modules/highgui/src/precomp.hpp b/modules/highgui/src/precomp.hpp
index 32340baa3d..27986c6498 100644
--- a/modules/highgui/src/precomp.hpp
+++ b/modules/highgui/src/precomp.hpp
@@ -165,11 +165,19 @@ CvVideoWriter* cvCreateVideoWriter_GStreamer( const char* filename, int fourcc,
 double cvGetModeWindow_W32(const char* name);
 double cvGetModeWindow_GTK(const char* name);
 double cvGetModeWindow_CARBON(const char* name);
-double cvGetModeWindow_QT(const char* name);
+
 void cvSetModeWindow_W32(const char* name, double prop_value);
 void cvSetModeWindow_GTK(const char* name, double prop_value);
 void cvSetModeWindow_CARBON(const char* name, double prop_value);
+
+
+//for QT
+#if defined (HAVE_QT)
+double cvGetModeWindow_QT(const char* name);
 void cvSetModeWindow_QT(const char* name, double prop_value);
+double cvGetPropWindow_QT(const char* name);
+void cvSetPropWindow_QT(const char* name,double prop_value);
+#endif
 
 /*namespace cv
 {
diff --git a/modules/highgui/src/window.cpp b/modules/highgui/src/window.cpp
index 868d95bbe9..887cbfe9c4 100644
--- a/modules/highgui/src/window.cpp
+++ b/modules/highgui/src/window.cpp
@@ -66,7 +66,7 @@ CV_IMPL void cvSetWindowProperty(const char* name, int prop_id, double prop_valu
 		
 		case CV_WND_PROP_AUTOSIZE:
 			#if defined (HAVE_QT)
-			//cvChangeSizeWindow_QT(name,prop_value);
+				cvSetPropWindow_QT(name,prop_value);
 			#endif
 		break;
 		
@@ -102,9 +102,9 @@ CV_IMPL double cvGetWindowProperty(const char* name, int prop_id)
 				return -1;
 				
 			#if defined (HAVE_QT)
-			//cvGetSizeWindow_QT(name,prop_value);
+				return cvGetPropWindow_QT(name);
 			#else
-		    return -1;
+				return -1;
 		    #endif	
 		
 	    default:
diff --git a/modules/highgui/src/window_QT.cpp b/modules/highgui/src/window_QT.cpp
index 52b1caed75..5eff481165 100755
--- a/modules/highgui/src/window_QT.cpp
+++ b/modules/highgui/src/window_QT.cpp
@@ -53,7 +53,28 @@ QWaitCondition key_pressed;
 QMutex mutexKey;
 //end static and global
 
-//end declaration
+
+double cvGetPropWindow_QT(const char* name)
+{
+	double result = -1;
+    QMetaObject::invokeMethod(&guiMainThread,
+                              "getPropWindow",
+                              //Qt::DirectConnection,
+                              Qt::AutoConnection,
+                              Q_RETURN_ARG(double, result),
+                              Q_ARG(QString, QString(name)));
+    return result;
+}
+
+void cvSetPropWindow_QT(const char* name,double prop_value)
+{
+    QMetaObject::invokeMethod(&guiMainThread,
+						  "setPropWindow",
+						  Qt::AutoConnection,
+						  Q_ARG(QString, QString(name)),
+                          Q_ARG(double, prop_value));
+}
+
 void cvSetModeWindow_QT(const char* name, double prop_value)
 {
     QMetaObject::invokeMethod(&guiMainThread,
@@ -65,7 +86,7 @@ void cvSetModeWindow_QT(const char* name, double prop_value)
 
 double cvGetModeWindow_QT(const char* name)
 {
-	double result;
+	double result = -1;
 
     QMetaObject::invokeMethod(&guiMainThread,
                               "isFullScreen",
@@ -405,6 +426,44 @@ GuiReceiver::GuiReceiver() : _bTimeOut(false)
     qApp->setQuitOnLastWindowClosed ( false );//maybe the user would like to access this setting
 }
 
+double GuiReceiver::getPropWindow(QString name)
+{
+	QPointer<CvWindow> w = icvFindWindowByName( name.toLatin1().data() );
+
+
+    if (!w)
+		return -1;
+			
+	return (double)w->flags;
+}
+
+void GuiReceiver::setPropWindow(QString name, double arg2 )
+{
+	QPointer<CvWindow> w = icvFindWindowByName( name.toLatin1().data() );
+
+    if (!w)
+		return;
+	
+	int flags = (int) arg2;
+	
+	if (w->flags == flags)//nothing to do
+		return;
+		
+		
+	switch(flags)
+	{
+		case  CV_WINDOW_NORMAL:
+			w->layout->setSizeConstraint(QLayout::SetMinAndMaxSize);
+			w->flags = flags;
+		break;
+		case  CV_WINDOW_AUTOSIZE:
+			w->layout->setSizeConstraint(QLayout::SetFixedSize);
+			w->flags = flags;
+		break;
+		default:;
+	}
+}
+
 double GuiReceiver::isFullScreen(QString name)
 {
 	QPointer<CvWindow> w = icvFindWindowByName( name.toLatin1().data() );
@@ -602,16 +661,9 @@ CvTrackbar::CvTrackbar(CvWindow* arg, QString name, int* value, int count, CvTra
 
     QObject::connect( slider, SIGNAL( valueChanged( int ) ),this, SLOT( update( int ) ) );
 
-    //if I connect those two signals in not-multiThreads mode,
-    //the code crashes when we move the trackbar and then click on the button, ... why ?
-    //so I disable the button
-
-    if (multiThreads)
-        QObject::connect( label, SIGNAL( clicked() ),this, SLOT( createDialog() ));
-    else
-        label->setEnabled(false);
+    QObject::connect( label, SIGNAL( clicked() ),this, SLOT( createDialog() ));
 
-    label->setStyleSheet("QPushButton:disabled {color: black}");
+    //label->setStyleSheet("QPushButton:disabled {color: black}");
 
     addWidget(label);//name + value
     addWidget(slider);//slider
diff --git a/modules/highgui/src/window_QT.h b/modules/highgui/src/window_QT.h
index ada693c35d..263d46e84b 100644
--- a/modules/highgui/src/window_QT.h
+++ b/modules/highgui/src/window_QT.h
@@ -100,6 +100,8 @@ public slots:
     void timeOut();
     void toggleFullScreen(QString name, double flags );
     double isFullScreen(QString name);
+    double getPropWindow(QString name);
+    void setPropWindow(QString name, double flags );
 };
 
 class CvTrackbar : public QHBoxLayout