Merge branch 'Stable_V3.3' of https://github.com/mavlink/qgroundcontrol into StableMerge

.appveyor.yml

@@ -15,7 +15,7 @@ environment:
 install:
   - git submodule update --init --recursive
   - call "%ProgramFiles(x86)%\Microsoft Visual Studio 14.0\VC\vcvarsall.bat" x86
-  - set PATH=C:\Qt\Tools\QtCreator\bin;C:\Qt\5.9.3\msvc2015\bin;%PATH%
+  - set PATH=C:\Qt\Tools\QtCreator\bin;C:\Qt\5.9.4\msvc2015\bin;%PATH%
   - mkdir %LOCALAPPDATA%\QtProject && copy test\qtlogging.ini %LOCALAPPDATA%\QtProject\
   - ps: |
       Write-Host "Installing GStreamer..." -ForegroundColor Cyan
@@ -35,7 +35,7 @@ install:
       Write-Host "Installed" -ForegroundColor Green
 
 build_script:
-  - mkdir %SHADOW_BUILD_DIR% && cd %SHADOW_BUILD_DIR% && C:\Qt\5.9.3\msvc2015\bin\qmake -r CONFIG-=debug_and_release CONFIG+=%CONFIG% CONFIG+=WarningsAsErrorsOn %APPVEYOR_BUILD_FOLDER%\qgroundcontrol.pro
+  - mkdir %SHADOW_BUILD_DIR% && cd %SHADOW_BUILD_DIR% && C:\Qt\5.9.4\msvc2015\bin\qmake -r CONFIG-=debug_and_release CONFIG+=%CONFIG% CONFIG+=WarningsAsErrorsOn %APPVEYOR_BUILD_FOLDER%\qgroundcontrol.pro
   - cd %SHADOW_BUILD_DIR% && jom
   - if "%CONFIG%" EQU "installer" ( copy %SHADOW_BUILD_DIR%\release\QGroundControl-installer.exe %APPVEYOR_BUILD_FOLDER%\QGroundControl-installer.exe )
 # Generate the source server information to embed in the PDB

src/QmlControls/QGCButton.qml

@@ -6,6 +6,8 @@ import QGroundControl.Palette 1.0
 import QGroundControl.ScreenTools 1.0
 
 Button {
+    activeFocusOnPress: true
+
     property bool primary:      false                               ///< primary button for a group of buttons
     property real pointSize:    ScreenTools.defaultFontPointSize    ///< Point size for button text
 

src/QmlControls/QGCCheckBox.qml

@@ -6,6 +6,8 @@ import QGroundControl.Palette       1.0
 import QGroundControl.ScreenTools   1.0
 
 CheckBox {
+    activeFocusOnPress: true
+
     property var __qgcPal: QGCPalette { colorGroupEnabled: enabled }
 
     style: CheckBoxStyle {