Merge pull request #7850 from DonLakeFlyer/WindowStateSave

Save/load main window state

qgroundcontrol.qrc

@@ -86,6 +86,7 @@
         <file alias="QGroundControl/Controls/IndicatorButton.qml">src/QmlControls/IndicatorButton.qml</file>
         <file alias="QGroundControl/Controls/JoystickThumbPad.qml">src/QmlControls/JoystickThumbPad.qml</file>
 		<file alias="QGroundControl/Controls/LogReplayStatusBar.qml">src/QmlControls/LogReplayStatusBar.qml</file>
+        <file alias="QGroundControl/Controls/MainWindowSavedState.qml">src/QmlControls/MainWindowSavedState.qml</file>
         <file alias="QGroundControl/Controls/MAVLinkMessageButton.qml">src/QmlControls/MAVLinkMessageButton.qml</file>
         <file alias="QGroundControl/Controls/MissionCommandDialog.qml">src/QmlControls/MissionCommandDialog.qml</file>
         <file alias="QGroundControl/Controls/MissionItemEditor.qml">src/PlanView/MissionItemEditor.qml</file>

src/QmlControls/MainWindowSavedState.qml

@@ -0,0 +1,74 @@
+/****************************************************************************
+ *
+ *   (c) 2009-2016 QGROUNDCONTROL PROJECT <http://www.qgroundcontrol.org>
+ *
+ * QGroundControl is licensed according to the terms in the file
+ * COPYING.md in the root of the source code directory.
+ *
+ ****************************************************************************/
+
+import QtQuick          2.11
+import QtQuick.Window   2.11
+import QtQuick.Controls 2.4
+import Qt.labs.settings 1.0
+
+import QGroundControl.ScreenTools 1.0
+
+Item {
+    property Window window
+
+    Settings {
+        id:         s
+        category:   "MainWindowState"
+
+        property int x
+        property int y
+        property int width
+        property int height
+        property int visibility
+    }
+
+    Component.onCompleted: {
+        if (!ScreenTools.isMobile && s.width && s.height) {
+            window.x = s.x;
+            window.y = s.y;
+            window.width = s.width;
+            window.height = s.height;
+            window.visibility = s.visibility;
+        }
+    }
+
+    Connections {
+        target:                 ScreenTools.isMobile ? null : window
+        onXChanged:             saveSettingsTimer.restart()
+        onYChanged:             saveSettingsTimer.restart()
+        onWidthChanged:         saveSettingsTimer.restart()
+        onHeightChanged:        saveSettingsTimer.restart()
+        onVisibilityChanged:    saveSettingsTimer.restart()
+    }
+
+    Timer {
+        id:             saveSettingsTimer
+        interval:       1000
+        repeat:         false
+        onTriggered:    saveSettings()
+    }
+
+    function saveSettings() {
+        switch(window.visibility) {
+        case ApplicationWindow.Windowed:
+            s.x = window.x;
+            s.y = window.y;
+            s.width = window.width;
+            s.height = window.height;
+            s.visibility = window.visibility;
+            break;
+        case ApplicationWindow.FullScreen:
+            s.visibility = window.visibility;
+            break;
+        case ApplicationWindow.Maximized:
+            s.visibility = window.visibility;
+            break;
+        }
+    }
+}

src/QmlControls/QGroundControl/Controls/qmldir

@@ -24,6 +24,7 @@ HeightIndicator         1.0 HeightIndicator.qml
 IndicatorButton         1.0 IndicatorButton.qml
 JoystickThumbPad        1.0 JoystickThumbPad.qml
 LogReplayStatusBar      1.0 LogReplayStatusBar.qml
+MainWindowSavedState    1.0 MainWindowSavedState.qml
 MAVLinkMessageButton    1.0 MAVLinkMessageButton.qml
 MissionCommandDialog    1.0 MissionCommandDialog.qml
 MissionItemEditor       1.0 MissionItemEditor.qml

src/ui/MainRootWindow.qml

@@ -122,6 +122,10 @@ ApplicationWindow {
         simpleMessageDialog.open()
     }
 
+    MainWindowSavedState {
+        window: mainWindow
+    }
+
     MessageDialog {
         id:                 simpleMessageDialog
         standardButtons:    StandardButton.Ok