ValueDial(Z): add virtual keyboard support

sdrgui/gui/valuedial.cpp

@@ -21,6 +21,7 @@
 #include <QMouseEvent>
 #include <QPainter>
 #include <QWheelEvent>
+#include <QApplication>
 #include <cstdlib>
 
 #include "gui/valuedial.h"
@@ -33,9 +34,12 @@ ValueDial::ValueDial(QWidget *parent, ColorMapper colorMapper) :
     setAutoFillBackground(false);
     setAttribute(Qt::WA_OpaquePaintEvent, true);
     setAttribute(Qt::WA_NoSystemBackground, true);
+	setAttribute(Qt::WA_InputMethodEnabled, true);
     setMouseTracking(true);
     setFocusPolicy(Qt::StrongFocus);
 
+	setInputMethodHints(Qt::ImhDigitsOnly);
+
     m_background.setStart(0, 0);
     m_background.setFinalStop(0, 1);
     m_background.setCoordinateMode(QGradient::ObjectBoundingMode);
@@ -326,6 +330,11 @@ void ValueDial::mousePressEvent(QMouseEvent *event)
     }
     else if (mouseButton == Qt::LeftButton) // set cursor at current digit
     {
+		if (qApp->autoSipEnabled())
+		{
+			QGuiApplication::inputMethod()->show();
+		}
+
         m_cursor = i;
         m_cursorState = true;
         m_blinkTimer.start(400);

sdrgui/gui/valuedialz.cpp

@@ -24,6 +24,7 @@
 #include <QWheelEvent>
 #include <QKeyEvent>
 #include <QLocale>
+#include <QApplication>
 
 #include "gui/valuedialz.h"
 
@@ -36,8 +37,10 @@ ValueDialZ::ValueDialZ(bool positiveOnly, QWidget* parent, ColorMapper colorMapp
 	setAutoFillBackground(false);
 	setAttribute(Qt::WA_OpaquePaintEvent, true);
 	setAttribute(Qt::WA_NoSystemBackground, true);
+	setAttribute(Qt::WA_InputMethodEnabled, true);
 	setMouseTracking(true);
 	setFocusPolicy(Qt::StrongFocus);
+	setInputMethodHints(Qt::ImhFormattedNumbersOnly);
 
 	m_background.setStart(0, 0);
 	m_background.setFinalStop(0, 1);
@@ -347,6 +350,11 @@ void ValueDialZ::mousePressEvent(QMouseEvent* event)
     }
     else if (mouseButton == Qt::LeftButton) // set cursor at current digit
     {
+		if (qApp->autoSipEnabled())
+		{
+			QGuiApplication::inputMethod()->show();
+		}
+
         m_cursor = i;
         m_cursorState = true;
         m_blinkTimer.start(400);