Device GUIs: Constain window size via minimumSize/maximumSize, rather than handling resizeEvent. Add maximum button. Hide size buttons when window size is fixed

plugins/samplesource/plutosdrinput/plutosdrinputgui.cpp

@@ -19,7 +19,6 @@
 #include <QDebug>
 #include <QMessageBox>
 #include <QFileDialog>
-#include <QResizeEvent>
 
 #include "dsp/dspengine.h"
 #include "dsp/dspcommands.h"
@@ -50,7 +49,7 @@ PlutoSDRInputGui::PlutoSDRInputGui(DeviceUISet *deviceUISet, QWidget* parent) :
     m_sampleSource = (PlutoSDRInput*) m_deviceUISet->m_deviceAPI->getSampleSource();
 
     ui->setupUi(getContents());
-    setSizePolicy(QSizePolicy::Fixed, QSizePolicy::Fixed);
+    sizeToContents();
     getContents()->setStyleSheet("#PlutoSDRInputGUI { background-color: rgb(64, 64, 64); }");
     m_helpURL = "plugins/samplesource/plutosdrinput/readme.md";
     ui->centerFrequency->setColorMapper(ColorMapper(ColorMapper::GrayGold));
@@ -129,12 +128,6 @@ bool PlutoSDRInputGui::deserialize(const QByteArray& data)
     }
 }
 
-void PlutoSDRInputGui::resizeEvent(QResizeEvent* size)
-{
-    adjustSize();
-    size->accept();
-}
-
 bool PlutoSDRInputGui::handleMessage(const Message& message)
 {
     if (PlutoSDRInput::MsgConfigurePlutoSDR::match(message))

plugins/samplesource/plutosdrinput/plutosdrinputgui.h

@@ -48,9 +48,6 @@ public:
     virtual bool deserialize(const QByteArray& data);
     virtual MessageQueue *getInputMessageQueue() { return &m_inputMessageQueue; }
 
-protected:
-    void resizeEvent(QResizeEvent* size);
-
 private:
     Ui::PlutoSDRInputGUI* ui;
     PlutoSDRInputSettings m_settings;