Fixes for disappearing win32 drag images, and TextEditor custom cursors.

juce_amalgamated.cpp

@@ -53159,6 +53159,15 @@ void TextEditor::colourChanged()
 	repaint();
 }
 
+void TextEditor::lookAndFeelChanged()
+{
+	if (isCaretVisible())
+	{
+		setCaretVisible (false);
+		setCaretVisible (true);
+	}
+}
+
 void TextEditor::setCaretVisible (const bool shouldCaretBeVisible)
 {
 	if (shouldCaretBeVisible && ! isReadOnly())
@@ -53439,7 +53448,7 @@ void TextEditor::updateTextHolderSize()
 		const int h = topIndent + roundToInt (jmax (i.lineY + i.lineHeight,
 													currentFont.getHeight()));
 
-		textHolder->setSize (w + 2, h + 1);
+		textHolder->setSize (w + 2, h + 1); // (the +2 allows a bit of space for the cursor to be at the right-hand-edge)
 	}
 }
 
@@ -71132,6 +71141,14 @@ void DragAndDropContainer::startDragging (const String& sourceDescription,
 
 		static_cast <DragImageComponent*> (static_cast <Component*> (dragImageComponent))->updateLocation (false, lastMouseDown);
 		dragImageComponent->setVisible (true);
+
+	   #if JUCE_WIN32
+		// Under heavy load, the layered window's paint callback can often be lost by the OS,
+		// so forcing a repaint at least once makes sure that the window becomes visible..
+		ComponentPeer* const peer = dragImageComponent->getPeer();
+		if (peer != 0)
+			peer->performAnyPendingRepaintsNow();
+	   #endif
 	}
 }
 
@@ -246560,8 +246577,9 @@ public:
 	void performAnyPendingRepaintsNow()
 	{
 		MSG m;
-		if (component->isVisible() && PeekMessage (&m, hwnd, WM_PAINT, WM_PAINT, PM_REMOVE))
-			DispatchMessage (&m);
+		if (component->isVisible()
+			 && (PeekMessage (&m, hwnd, WM_PAINT, WM_PAINT, PM_REMOVE) || isUsingUpdateLayeredWindow()))
+			handlePaintMessage();
 	}
 
 	static Win32ComponentPeer* getOwnerOfWindow (HWND h) throw()

juce_amalgamated.h

@@ -73,7 +73,7 @@ namespace JuceDummyNamespace {}
 */
 #define JUCE_MAJOR_VERSION	  1
 #define JUCE_MINOR_VERSION	  53
-#define JUCE_BUILDNUMBER	56
+#define JUCE_BUILDNUMBER	57
 
 /** Current Juce version number.
 
@@ -42206,20 +42206,18 @@ public:
 	/** Deletes all the text from the editor. */
 	void clear();
 
-	/** Deletes the currently selected region, and puts it on the clipboard.
-
+	/** Deletes the currently selected region.
+		This doesn't copy the deleted section to the clipboard - if you need to do that, call copy() first.
 		@see copy, paste, SystemClipboard
 	*/
 	void cut();
 
-	/** Copies any currently selected region to the clipboard.
-
+	/** Copies the currently selected region to the clipboard.
 		@see cut, paste, SystemClipboard
 	*/
 	void copy();
 
 	/** Pastes the contents of the clipboard into the editor at the cursor position.
-
 		@see cut, copy, SystemClipboard
 	*/
 	void paste();
@@ -42349,6 +42347,8 @@ public:
 	/** @internal */
 	void colourChanged();
 	/** @internal */
+	void lookAndFeelChanged();
+	/** @internal */
 	bool isTextInputActive() const;
 
 	/** This adds the items to the popup menu.
@@ -42402,8 +42402,7 @@ protected:
 	/** Used internally to dispatch a text-change message. */
 	void textChanged();
 
-	/** Begins a new transaction in the UndoManager.
-	*/
+	/** Begins a new transaction in the UndoManager. */
 	void newTransaction();
 
 	/** Used internally to trigger an undo or redo. */

src/core/juce_StandardHeader.h

@@ -33,7 +33,7 @@
 */
 #define JUCE_MAJOR_VERSION      1
 #define JUCE_MINOR_VERSION      53
-#define JUCE_BUILDNUMBER        56
+#define JUCE_BUILDNUMBER        57
 
 /** Current Juce version number.
 

src/gui/components/controls/juce_TextEditor.cpp

@@ -1138,6 +1138,15 @@ void TextEditor::colourChanged()
     repaint();
 }
 
+void TextEditor::lookAndFeelChanged()
+{
+    if (isCaretVisible())
+    {
+        setCaretVisible (false);
+        setCaretVisible (true);
+    }
+}
+
 void TextEditor::setCaretVisible (const bool shouldCaretBeVisible)
 {
     if (shouldCaretBeVisible && ! isReadOnly())

src/gui/components/controls/juce_TextEditor.h

@@ -385,20 +385,18 @@ public:
     /** Deletes all the text from the editor. */
     void clear();
 
-    /** Deletes the currently selected region, and puts it on the clipboard.
-
+    /** Deletes the currently selected region.
+        This doesn't copy the deleted section to the clipboard - if you need to do that, call copy() first.
         @see copy, paste, SystemClipboard
     */
     void cut();
 
-    /** Copies any currently selected region to the clipboard.
-
+    /** Copies the currently selected region to the clipboard.
         @see cut, paste, SystemClipboard
     */
     void copy();
 
     /** Pastes the contents of the clipboard into the editor at the cursor position.
-
         @see cut, copy, SystemClipboard
     */
     void paste();
@@ -530,6 +528,8 @@ public:
     /** @internal */
     void colourChanged();
     /** @internal */
+    void lookAndFeelChanged();
+    /** @internal */
     bool isTextInputActive() const;
 
     //==============================================================================
@@ -585,8 +585,7 @@ protected:
     /** Used internally to dispatch a text-change message. */
     void textChanged();
 
-    /** Begins a new transaction in the UndoManager.
-    */
+    /** Begins a new transaction in the UndoManager. */
     void newTransaction();
 
     /** Used internally to trigger an undo or redo. */

src/gui/components/mouse/juce_DragAndDropContainer.cpp

@@ -396,6 +396,14 @@ void DragAndDropContainer::startDragging (const String& sourceDescription,
 
         static_cast <DragImageComponent*> (static_cast <Component*> (dragImageComponent))->updateLocation (false, lastMouseDown);
         dragImageComponent->setVisible (true);
+
+       #if JUCE_WIN32
+        // Under heavy load, the layered window's paint callback can often be lost by the OS,
+        // so forcing a repaint at least once makes sure that the window becomes visible..
+        ComponentPeer* const peer = dragImageComponent->getPeer();
+        if (peer != 0)
+            peer->performAnyPendingRepaintsNow();
+       #endif
     }
 }
 

src/native/windows/juce_win32_Windowing.cpp

@@ -814,8 +814,9 @@ public:
     void performAnyPendingRepaintsNow()
     {
         MSG m;
-        if (component->isVisible() && PeekMessage (&m, hwnd, WM_PAINT, WM_PAINT, PM_REMOVE))
-            DispatchMessage (&m);
+        if (component->isVisible()
+             && (PeekMessage (&m, hwnd, WM_PAINT, WM_PAINT, PM_REMOVE) || isUsingUpdateLayeredWindow()))
+            handlePaintMessage();
     }
 
     //==============================================================================