debugger: make "debugger font size follows main editor optional"

Task-number: QTCREATORBUG-2420

src/plugins/debugger/commonoptionspage.cpp

@@ -73,6 +73,8 @@ CommonOptionsPageWidget::CommonOptionsPageWidget
         m_ui.checkBoxCloseBuffersOnExit);
     m_group->insert(dc->action(SwitchModeOnExit),
         m_ui.checkBoxSwitchModeOnExit);
+    m_group->insert(dc->action(FontSizeFollowsEditor),
+        m_ui.checkBoxFontSizeFollowsEditor);
     m_group->insert(dc->action(AutoDerefPointers), 0);
     m_group->insert(dc->action(UseToolTipsInLocalsView), 0);
     m_group->insert(dc->action(AlwaysAdjustLocalsColumnWidths), 0);
@@ -110,6 +112,7 @@ QString CommonOptionsPageWidget::searchKeyWords() const
     const QLatin1Char sep(' ');
     QTextStream(&rc)
             << sep << m_ui.checkBoxUseAlternatingRowColors->text()
+            << sep << m_ui.checkBoxFontSizeFollowsEditor->text()
             << sep << m_ui.checkBoxUseToolTipsInMainEditor->text()
             << sep << m_ui.checkBoxListSourceFiles->text()
 #ifdef Q_OS_WIN

src/plugins/debugger/commonoptionspage.ui

@@ -25,13 +25,23 @@
        </widget>
       </item>
       <item row="2" column="0" colspan="2">
+       <widget class="QCheckBox" name="checkBoxFontSizeFollowsEditor">
+        <property name="text">
+         <string>Debugger font size follows main editor</string>
+        </property>
+        <property name="toolTip">
+         <string>Selecting this results in font size changes in the debugger views whenever the font size in the main editor changes.</string>
+        </property>
+       </widget>
+      </item>
+      <item row="3" column="0" colspan="2">
        <widget class="QCheckBox" name="checkBoxUseToolTipsInMainEditor">
         <property name="text">
          <string>Use tooltips in main editor while debugging</string>
         </property>
        </widget>
       </item>
-      <item row="3" column="0" colspan="2">
+      <item row="4" column="0" colspan="2">
        <widget class="QCheckBox" name="checkBoxListSourceFiles">
         <property name="toolTip">
          <string>Checking this will populate the source file view automatically but might slow down debugger startup considerably.</string>
@@ -41,7 +51,7 @@
         </property>
        </widget>
       </item>
-      <item row="4" column="0" colspan="2">
+      <item row="5" column="0" colspan="2">
        <widget class="QCheckBox" name="checkBoxRegisterForPostMortem">
         <property name="toolTip">
          <string>Register Qt Creator for debugging crashed applications.</string>
@@ -51,7 +61,7 @@
         </property>
        </widget>
       </item>
-      <item row="5" column="0" colspan="2">
+      <item row="6" column="0" colspan="2">
        <widget class="QCheckBox" name="checkBoxCloseBuffersOnExit">
         <property name="toolTip">
          <string>Close temporary buffers on debugger exit.</string>
@@ -61,7 +71,7 @@
         </property>
        </widget>
       </item>
-      <item row="6" column="0" colspan="2">
+      <item row="7" column="0" colspan="2">
        <widget class="QCheckBox" name="checkBoxSwitchModeOnExit">
         <property name="toolTip">
          <string>Switch to previous mode on debugger exit.</string>
@@ -71,7 +81,7 @@
         </property>
        </widget>
       </item>
-      <item row="7" column="0">
+      <item row="8" column="0">
        <widget class="QLabel" name="labelMaximalStackDepth">
         <property name="sizePolicy">
          <sizepolicy hsizetype="Maximum" vsizetype="Preferred">
@@ -84,7 +94,7 @@
         </property>
        </widget>
       </item>
-      <item row="7" column="1">
+      <item row="9" column="1">
        <layout class="QHBoxLayout" name="horizontalLayout">
         <item>
          <widget class="QSpinBox" name="spinBoxMaximalStackDepth">

src/plugins/debugger/debuggeractions.cpp

@@ -176,6 +176,13 @@ DebuggerSettings::DebuggerSettings(QSettings *settings)
     item->setDefaultValue(false);
     insertItem(UseAlternatingRowColors, item);
 
+    item = new SavedAction(this);
+    item->setText(tr("Debugger Font Size Follows Main Editor"));
+    item->setSettingsKey(debugModeGroup, QLatin1String("FontSizeFollowsEditor"));
+    item->setCheckable(true);
+    item->setDefaultValue(false);
+    insertItem(FontSizeFollowsEditor, item);
+
     item = new SavedAction(this);
     item->setText(tr("Show a Message Box When Receiving a Signal"));
     item->setSettingsKey(debugModeGroup, QLatin1String("UseMessageBoxForSignals"));

src/plugins/debugger/debuggeractions.h

@@ -91,6 +91,7 @@ enum DebuggerActionCode
     // General
     SettingsDialog,
     UseAlternatingRowColors,
+    FontSizeFollowsEditor,
     UseMessageBoxForSignals,
     AutoQuit,
     LockView,

src/plugins/debugger/debuggerplugin.cpp

@@ -1822,6 +1822,8 @@ static void changeFontSize(QWidget *widget, qreal size)
 void DebuggerPluginPrivate::fontSettingsChanged
     (const TextEditor::FontSettings &settings)
 {
+    if (!boolSetting(FontSizeFollowsEditor))
+        return;
     qreal size = settings.fontZoom() * settings.fontSize() / 100.;
     changeFontSize(m_breakWindow, size);
     changeFontSize(m_logWindow, size);