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/testsource/testsourcegui.cpp

@@ -22,7 +22,6 @@
 #include <QString>
 #include <QMessageBox>
 #include <QFileDialog>
-#include <QResizeEvent>
 
 #include "ui_testsourcegui.h"
 #include "plugin/pluginapi.h"
@@ -55,7 +54,7 @@ TestSourceGui::TestSourceGui(DeviceUISet *deviceUISet, QWidget* parent) :
     m_sampleSource = m_deviceUISet->m_deviceAPI->getSampleSource();
 
     ui->setupUi(getContents());
-    setSizePolicy(QSizePolicy::Fixed, QSizePolicy::Fixed);
+    sizeToContents();
     getContents()->setStyleSheet("#TestSourceGui { background-color: rgb(64, 64, 64); }");
     m_helpURL = "plugins/samplesource/testsource/readme.md";
     ui->centerFrequency->setColorMapper(ColorMapper(ColorMapper::GrayGold));
@@ -120,12 +119,6 @@ bool TestSourceGui::deserialize(const QByteArray& data)
     }
 }
 
-void TestSourceGui::resizeEvent(QResizeEvent* size)
-{
-    adjustSize();
-    size->accept();
-}
-
 void TestSourceGui::on_startStop_toggled(bool checked)
 {
     if (m_doApplySettings)

plugins/samplesource/testsource/testsourcegui.h

@@ -46,9 +46,6 @@ public:
 	bool deserialize(const QByteArray& data);
 	virtual MessageQueue *getInputMessageQueue() { return &m_inputMessageQueue; }
 
-protected:
-    void resizeEvent(QResizeEvent* size);
-
 private:
 	Ui::TestSourceGui* ui;
 

plugins/samplesource/testsource/testsourcegui.ui

@@ -24,7 +24,7 @@
   </property>
   <property name="maximumSize">
    <size>
-    <width>386</width>
+    <width>380</width>
     <height>343</height>
    </size>
   </property>