Merge pull request #175 from default0/master

Change Textbox Behaviour

src/dlangui/core/types.d

@@ -467,6 +467,8 @@ enum State : uint {
     WindowFocused = 256,
     /// widget is default control for form (should be focused when window gains focus first time)
     Default = 512, // widget is default for form (e.g. default button will be focused on show)
+    /// widget has been focused by keyboard navigation
+    KeyboardFocused = 1024,
     /// return state of parent instead of widget's state when requested
     Parent = 0x10000, // use parent's state
 }

src/dlangui/platforms/common/platform.d

@@ -523,19 +523,22 @@ class Window : CustomEventTarget {
     }
 
     /// change focus to widget
-    Widget setFocus(Widget newFocus) {
+    Widget setFocus(Widget newFocus, FocusReason reason = FocusReason.Unspecified) {
         if (!isChild(_focusedWidget))
             _focusedWidget = null;
         Widget oldFocus = _focusedWidget;
+        auto targetState = State.Focused;
+        if(reason == FocusReason.TabFocus)
+            targetState = State.Focused | State.KeyboardFocused;
         if (oldFocus is newFocus)
             return oldFocus;
         if (oldFocus !is null)
-            oldFocus.resetState(State.Focused);
+            oldFocus.resetState(targetState);
         if (newFocus is null || isChild(newFocus)) {
             if (newFocus !is null) {
                 // when calling, setState(focused), window.focusedWidget is still previously focused widget
                 debug(DebugFocus) Log.d("new focus: ", newFocus.id);
-                newFocus.setState(State.Focused);
+                newFocus.setState(targetState);
             }
             _focusedWidget = newFocus;
             // after focus change, ask for actions update automatically

src/dlangui/widgets/editors.d

@@ -241,6 +241,9 @@ class EditWidgetBase : ScrollWidgetBase, EditableContentListener, MenuItemAction
     protected int _iconsWidth = 0;
     protected int _foldingWidth = 0;
 
+    protected bool _selectAllWhenFocusedWithTab = false;
+    protected bool _deselectAllWhenUnfocused = false;
+
     protected bool _replaceMode;
 
     // TODO: move to styles
@@ -920,13 +923,20 @@ class EditWidgetBase : ScrollWidgetBase, EditableContentListener, MenuItemAction
     }
 
     /// override to handle focus changes
-    override protected void handleFocusChange(bool focused) {
+    override protected void handleFocusChange(bool focused, bool receivedFocusFromKeyboard = false) {
         if (focused)
             startCaretBlinking();
         else {
             stopCaretBlinking();
             cancelHoverTimer();
+
+            if(_deselectAllWhenUnfocused) {
+                _selectionRange.start = _caretPos;
+                _selectionRange.end = _caretPos;
             }
+        }
+        if(focused && _selectAllWhenFocusedWithTab && receivedFocusFromKeyboard)
+            handleAction(ACTION_EDITOR_SELECT_ALL);
         super.handleFocusChange(focused);
     }
 
@@ -1643,7 +1653,9 @@ class EditWidgetBase : ScrollWidgetBase, EditableContentListener, MenuItemAction
             if (event.doubleClick) {
                 selectWordByMouse(event.x - _clientRect.left, event.y - _clientRect.top);
             } else {
-                updateCaretPositionByMouse(event.x - _clientRect.left, event.y - _clientRect.top, false);
+                auto doSelect = cast(bool)(event.keyFlags & MouseFlag.Shift);
+                updateCaretPositionByMouse(event.x - _clientRect.left, event.y - _clientRect.top, doSelect);
+
                 if (event.keyFlags == MouseFlag.Control)
                     onControlClick();
             }
@@ -1730,6 +1742,8 @@ class EditLine : EditWidgetBase {
         super(ID, ScrollBarMode.Invisible, ScrollBarMode.Invisible);
         _content = new EditableContent(false);
         _content.contentChanged = this;
+        _selectAllWhenFocusedWithTab = true;
+        _deselectAllWhenUnfocused = true;
         wantTabs = false;
         styleId = STYLE_EDIT_LINE;
         text = initialContent;

src/dlangui/widgets/lists.d

@@ -732,7 +732,7 @@ class ListWidget : WidgetGroup, OnScrollHandler, OnAdapterChangeHandler {
     }
 
     /// override to handle focus changes
-    override protected void handleFocusChange(bool focused) {
+    override protected void handleFocusChange(bool focused, bool receivedFocusFromKeyboard = false) {
         updateSelectedItemFocus();
     }
 

src/dlangui/widgets/menu.d

@@ -887,7 +887,7 @@ class MainMenu : MenuWidgetBase {
     }
 
     /// override to handle focus changes
-    override protected void handleFocusChange(bool focused) {
+    override protected void handleFocusChange(bool focused, bool receivedFocusFromKeyboard = false) {
         debug(DebugMenus) Log.d("menu ", id, "handling focus change to ", focused);
         if (focused && _openedPopup is null) {
             // activating!

src/dlangui/widgets/widget.d

@@ -71,6 +71,11 @@ enum Orientation : ubyte {
     Horizontal
 }
 
+enum FocusReason : ubyte {
+    TabFocus,
+    Unspecified
+}
+
 /// interface - slot for onClick
 interface OnClickHandler {
     bool onClick(Widget source);
@@ -280,7 +285,7 @@ public:
         return _state | State.WindowFocused; // TODO:
     }
     /// override to handle focus changes
-    protected void handleFocusChange(bool focused) {
+    protected void handleFocusChange(bool focused, bool receivedFocusFromKeyboard = false) {
         invalidate();
         focusChange(this, focused);
     }
@@ -300,7 +305,7 @@ public:
             if ((oldState & State.Focused) && !(newState & State.Focused))
                 handleFocusChange(false);
             else if (!(oldState & State.Focused) && (newState & State.Focused))
-                handleFocusChange(true);
+                handleFocusChange(true, cast(bool)(newState & State.KeyboardFocused));
             // notify checked changes
             if ((oldState & State.Checked) && !(newState & State.Checked))
                 handleCheckChange(false);
@@ -990,7 +995,7 @@ public:
         Widget nextWidget = findNextFocusWidget(direction);
         if (!nextWidget)
             return false;
-        nextWidget.setFocus();
+        nextWidget.setFocus(FocusReason.TabFocus);
         return true;
     }
 
@@ -1009,7 +1014,7 @@ public:
     }
 
     /// sets focus to this widget or suitable focusable child, returns previously focused widget
-    Widget setFocus() {
+    Widget setFocus(FocusReason reason = FocusReason.Unspecified) {
         if (window is null)
             return null;
         if (!visible)
@@ -1020,11 +1025,11 @@ public:
             if (!w)
                 w = findFocusableChild(false);
             if (w)
-                return window.setFocus(w);
+                return window.setFocus(w, reason);
             // try to find focusable child
             return window.focusedWidget;
         }
-        return window.setFocus(this);
+        return window.setFocus(this, reason);
     }
     /// searches children for first focusable item, returns null if not found
     Widget findFocusableChild(bool defaultOnly) {