Add control hiding (CTRL+M) to fast graph to minimize screen usage

Also cleans up a few layout issues.

Thanks to Mike, W9MDB, for this contribution.

git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/wsjtx@7603 ab8295b8-cf94-4d9e-aec4-7959e3be5d79

fastgraph.cpp

@@ -12,14 +12,14 @@ FastGraph::FastGraph(QSettings * settings, QWidget *parent) :
   QDialog {parent, Qt::Window | Qt::WindowTitleHint |
            Qt::WindowCloseButtonHint |
            Qt::WindowMinimizeButtonHint},
-  m_settings (settings),
+  m_settings {settings},
-  ui(new Ui::FastGraph)
+  m_ave {40},
+  ui {new Ui::FastGraph}
 {
   ui->setupUi(this);
   setWindowTitle (QApplication::applicationName () + " - " + tr ("Fast Graph"));
   installEventFilter(parent);                   //Installing the filter
   ui->fastPlot->setCursor(Qt::CrossCursor);
-  m_ave=40;
 
 //Restore user's settings
   m_settings->beginGroup("FastGraph");
@@ -30,6 +30,7 @@ FastGraph::FastGraph(QSettings * settings, QWidget *parent) :
   ui->gainSlider->setValue(ui->fastPlot->m_plotGain);
   ui->fastPlot->setGreenZero(m_settings->value("GreenZero", 0).toInt());
   ui->greenZeroSlider->setValue(ui->fastPlot->m_greenZero);
+  ui->controls_widget->setVisible (!m_settings->value("HideControls", false).toBool ());
   m_settings->endGroup();
 
   connect (ui->fastPlot, &FPlotter::fastPick, this, &FastGraph::fastPick);
@@ -55,6 +56,7 @@ void FastGraph::saveSettings()
   m_settings->setValue("PlotGain",ui->fastPlot->m_plotGain);
   m_settings->setValue("GreenZero",ui->fastPlot->m_greenZero);
   m_settings->setValue("GreenGain",ui->fastPlot->m_greenGain);
+  m_settings->setValue("HideControls",!ui->controls_widget->isVisible ());
   m_settings->endGroup();
 }
 
@@ -105,3 +107,17 @@ void FastGraph::setMode(QString mode)                              //setMode
 {
   ui->fastPlot->setMode(mode);
 }
+
+void FastGraph::keyPressEvent(QKeyEvent *e)
+{
+  switch(e->key())
+  {
+  case Qt::Key_M:
+    if(e->modifiers() & Qt::ControlModifier) {
+      ui->controls_widget->setVisible (!ui->controls_widget->isVisible ());
+    }
+    break;
+  default:
+    QDialog::keyPressEvent (e);
+  }
+}

fastgraph.h

@@ -16,6 +16,7 @@ class FastGraph : public QDialog
 
 protected:
   void closeEvent (QCloseEvent *) override;
+  void keyPressEvent( QKeyEvent *e ) override;
 
 public:
   explicit FastGraph(QSettings *, QWidget *parent = 0);

fastgraph.ui

@@ -2,39 +2,16 @@
 <ui version="4.0">
  <class>FastGraph</class>
  <widget class="QDialog" name="FastGraph">
-  <property name="geometry">
-   <rect>
-    <x>0</x>
-    <y>0</y>
-    <width>710</width>
-    <height>250</height>
-   </rect>
-  </property>
-  <property name="sizePolicy">
-   <sizepolicy hsizetype="Maximum" vsizetype="Maximum">
-    <horstretch>0</horstretch>
-    <verstretch>0</verstretch>
-   </sizepolicy>
-  </property>
-  <property name="minimumSize">
-   <size>
-    <width>710</width>
-    <height>250</height>
-   </size>
-  </property>
-  <property name="maximumSize">
-   <size>
-    <width>710</width>
-    <height>250</height>
-   </size>
-  </property>
   <property name="windowTitle">
    <string>Fast Graph</string>
   </property>
-  <layout class="QVBoxLayout" name="verticalLayout_2">
+  <layout class="QVBoxLayout" name="verticalLayout">
    <property name="spacing">
     <number>2</number>
    </property>
+   <property name="sizeConstraint">
+    <enum>QLayout::SetFixedSize</enum>
+   </property>
    <property name="leftMargin">
     <number>2</number>
    </property>
@@ -47,11 +24,6 @@
    <property name="bottomMargin">
     <number>2</number>
    </property>
-   <item>
-    <layout class="QVBoxLayout" name="verticalLayout">
-     <property name="spacing">
-      <number>2</number>
-     </property>
    <item>
     <widget class="FPlotter" name="fastPlot">
      <property name="enabled">
@@ -87,9 +59,19 @@
     </widget>
    </item>
    <item>
-      <layout class="QHBoxLayout" name="horizontalLayout_3">
+    <widget class="QWidget" name="controls_widget" native="true">
-       <property name="spacing">
+     <layout class="QHBoxLayout" name="horizontalLayout">
-        <number>6</number>
+      <property name="leftMargin">
+       <number>2</number>
+      </property>
+      <property name="topMargin">
+       <number>2</number>
+      </property>
+      <property name="rightMargin">
+       <number>2</number>
+      </property>
+      <property name="bottomMargin">
+       <number>2</number>
       </property>
       <item>
        <spacer name="horizontalSpacer_2">
@@ -101,7 +83,7 @@
         </property>
         <property name="sizeHint" stdset="0">
          <size>
-           <width>20</width>
+          <width>99</width>
           <height>20</height>
          </size>
         </property>
@@ -232,15 +214,14 @@
         </property>
         <property name="sizeHint" stdset="0">
          <size>
-           <width>20</width>
+          <width>99</width>
           <height>20</height>
          </size>
         </property>
        </spacer>
       </item>
      </layout>
-     </item>
+    </widget>
-    </layout>
    </item>
   </layout>
  </widget>