build/linux/platform_specific_code/juce_linux_Windowing.cpp

@@ -1087,6 +1087,18 @@ public:
         repainter->performAnyPendingRepaintsNow();
     }
 
+    void setIcon (const Image& newIcon)
+    {
+        /*XWMHints* wmHints = XAllocWMHints();
+        wmHints->flags = IconPixmapHint | IconMaskHint;
+        wmHints->icon_pixmap = 
+        wmHints->icon_mask = 
+
+        XSetWMHints (display, windowH, wmHints);
+        XFree (wmHints);
+        */
+    }
+
     //==============================================================================
     void handleWindowMessage (XEvent* event)
     {
@@ -2557,8 +2569,8 @@ void* juce_createMouseCursorFromImage (const Image& image, int hotspotX, int hot
     }
 
     const int stride = (cursorW + 7) >> 3;
-    unsigned char* const maskPlane = (unsigned char*) juce_calloc (stride * cursorH);
-    unsigned char* const sourcePlane = (unsigned char*) juce_calloc (stride * cursorH);
+    uint8* const maskPlane = (uint8*) juce_calloc (stride * cursorH);
+    uint8* const sourcePlane = (uint8*) juce_calloc (stride * cursorH);
 
     bool msbfirst = (BitmapBitOrder (display) == MSBFirst);
 
@@ -2566,7 +2578,7 @@ void* juce_createMouseCursorFromImage (const Image& image, int hotspotX, int hot
     {
         for (int x = cursorW; --x >= 0;)
         {
-            const unsigned char mask = (unsigned char) (1 << (msbfirst ? (7 - (x & 7)) : (x & 7)));
+            const uint8 mask = (uint8) (1 << (msbfirst ? (7 - (x & 7)) : (x & 7)));
             const int offset = y * stride + (x >> 3);
 
             const Colour c (im.getPixelAt (x, y));
@@ -2903,7 +2915,7 @@ void SystemClipboard::copyTextToClipboard (const String& clipText)
 
     XRotateWindowProperties (display, root, cutBuffers, 8, 1);
     XChangeProperty (display, root, cutBuffers[0],
-                     XA_STRING, 8, PropModeReplace, (const unsigned char*)((const char*)clipText),
+                     XA_STRING, 8, PropModeReplace, (const unsigned char*) (const char*) clipText,
                      clipText.length());
 }
 

build/macosx/platform_specific_code/juce_mac_Windowing.cpp

@@ -684,6 +684,11 @@ public:
         }
     }
 
+    void setIcon (const Image& /*newIcon*/)
+    {
+        // to do..
+    }
+
     //==============================================================================
     void viewFocusGain()
     {

build/win32/platform_specific_code/juce_win32_Windowing.cpp

@@ -517,7 +517,8 @@ public:
           fullScreen (false),
           isDragging (false),
           isMouseOver (false),
-          taskBarIcon (0)
+          taskBarIcon (0),
+          currentWindowIcon (0)
     {
         juce_initialiseUnicodeWindowFunctions();
 
@@ -551,6 +552,9 @@ public:
 
         MessageManager::getInstance()
             ->callFunctionOnMessageThread (&destroyWindowCallback, (void*) hwnd);
+
+        if (currentWindowIcon != 0)
+            DestroyIcon (currentWindowIcon);
     }
 
     //==============================================================================
@@ -928,6 +932,7 @@ private:
     DropShadower* shadower;
     bool fullScreen, isDragging, isMouseOver;
     BorderSize windowBorder;
+    HICON currentWindowIcon;
     NOTIFYICONDATA* taskBarIcon;
     friend class WindowClassHolder;
 
@@ -1179,6 +1184,23 @@ private:
 
     inline bool hasTitleBar() const throw()         { return (styleFlags & windowHasTitleBar) != 0; }
 
+
+    void setIcon (const Image& newIcon)
+    {
+        HICON hicon = createHICONFromImage (newIcon, TRUE, 0, 0);
+
+        if (hicon != 0)
+        {
+            SendMessage (hwnd, WM_SETICON, ICON_BIG, (LPARAM) hicon);
+            SendMessage (hwnd, WM_SETICON, ICON_SMALL, (LPARAM) hicon);
+
+            if (currentWindowIcon != 0)
+                DestroyIcon (currentWindowIcon);
+
+            currentWindowIcon = hicon;
+        }
+    }
+
     //==============================================================================
     void handlePaintMessage()
     {

src/juce_appframework/gui/components/special/juce_MagnifierComponent.cpp

@@ -68,6 +68,7 @@ public:
     bool setAlwaysOnTop (bool)                      { return true; }
     void toFront (bool)                             {}
     void toBehind (ComponentPeer*)                  {}
+    void setIcon (const Image&)                     {}
 
     bool isFocused() const
     {

src/juce_appframework/gui/components/windows/juce_ComponentPeer.h

@@ -174,6 +174,10 @@ public:
     /** True if the window is currently full-screen. */
     virtual bool isFullScreen() const = 0;
 
+    /** Attempts to change the icon associated with this window.
+    */
+    virtual void setIcon (const Image& newIcon) = 0;
+
     /** Sets a constrainer to use if the peer can resize itself.
 
         The constrainer won't be deleted by this object, so the caller must manage its lifetime.