Improve Qt4 -> Qt5 compatibility.

global.h

@@ -33,7 +33,7 @@
 
 
 #define PROGRAM_NAME          "DSRemote"
-#define PROGRAM_VERSION       "0.31_1512251807"
+#define PROGRAM_VERSION       "0.31_1512291404"
 
 #define MAX_PATHLEN            4096
 

mainwindow_constr.cpp

@@ -455,6 +455,19 @@ UI_Mainwindow::UI_Mainwindow()
   vertScaleDial_timer = new QTimer(this);
   vertScaleDial_timer->setSingleShot(true);
 
+#if QT_VERSION >= 0x050000
+  scrn_timer->setTimerType(Qt::PreciseTimer);
+  adjdial_timer->setTimerType(Qt::PreciseTimer);
+  navDial_timer->setTimerType(Qt::PreciseTimer);
+  label_timer->setTimerType(Qt::PreciseTimer);
+  test_timer->setTimerType(Qt::PreciseTimer);
+  horPosDial_timer->setTimerType(Qt::PreciseTimer);
+  trigAdjDial_timer->setTimerType(Qt::PreciseTimer);
+  vertOffsDial_timer->setTimerType(Qt::PreciseTimer);
+  horScaleDial_timer->setTimerType(Qt::PreciseTimer);
+  vertScaleDial_timer->setTimerType(Qt::PreciseTimer);
+#endif
+
   connect(scrn_timer,          SIGNAL(timeout()),        this, SLOT(scrn_timer_handler()));
   connect(scrn_thread,         SIGNAL(finished()),       this, SLOT(screenUpdate()));
   connect(adjdial_timer,       SIGNAL(timeout()),        this, SLOT(adjdial_timer_handler()));

save_data.cpp

@@ -38,6 +38,9 @@ void UI_Mainwindow::save_screenshot()
        opath[MAX_PATHLEN];
 
   QPainter painter;
+#if QT_VERSION >= 0x050000
+  painter.setRenderHint(QPainter::Qt4CompatiblePainting, true);
+#endif
 
   QPainterPath path;
 

signalcurve.cpp

@@ -55,6 +55,11 @@ SignalCurve::SignalCurve(QWidget *w_parent) : QWidget(w_parent)
 
   trig_stat_timer = new QTimer(this);
 
+#if QT_VERSION >= 0x050000
+  trig_line_timer->setTimerType(Qt::PreciseTimer);
+  trig_stat_timer->setTimerType(Qt::PreciseTimer);
+#endif
+
   bufsize = 0;
   bordersize = 60;
 
@@ -126,6 +131,9 @@ void SignalCurve::paintEvent(QPaintEvent *)
   if(updates_enabled == true)
   {
     QPainter paint(this);
+#if QT_VERSION >= 0x050000
+    paint.setRenderHint(QPainter::Qt4CompatiblePainting, true);
+#endif
 
     drawWidget(&paint, width(), height());
 

tled.cpp

@@ -43,6 +43,9 @@ TLed::TLed(QWidget *p) : QWidget(p)
 void TLed::paintEvent(QPaintEvent *)
 {
   QPainter paint(this);
+#if QT_VERSION >= 0x050000
+  paint.setRenderHint(QPainter::Qt4CompatiblePainting, true);
+#endif
   drawLed(&paint);
 }