build/linux/platform_specific_code/juce_linux_Windowing.cpp

@@ -1076,6 +1076,10 @@ public:
         }
     }
 
+    void textInputRequired (int /*x*/, int /*y*/)
+    {
+    }
+
     void repaint (int x, int y, int w, int h)
     {
         if (Rectangle::intersectRectangles (x, y, w, h,

build/macosx/platform_specific_code/juce_mac_Windowing.cpp

@@ -751,6 +751,10 @@ public:
         }
     }
 
+    void textInputRequired (int /*x*/, int /*y*/)
+    {
+    }
+
     //==============================================================================
     void repaint (int x, int y, int w, int h)
     {

build/win32/platform_specific_code/juce_win32_Windowing.cpp

@@ -484,6 +484,7 @@ public:
           fullScreen (false),
           isDragging (false),
           isMouseOver (false),
+          hasCreatedCaret (false),
           currentWindowIcon (0),
           taskBarIcon (0),
           dropTarget (0)
@@ -819,6 +820,18 @@ public:
         shouldDeactivateTitleBar = oldDeactivate;
     }
 
+    void textInputRequired (int x, int y)
+    {
+        if (! hasCreatedCaret)
+        {
+            hasCreatedCaret = true;
+            CreateCaret (hwnd, 0, 0, 0);
+        }
+
+        ShowCaret (hwnd);
+        SetCaretPos (x, y);
+    }
+
     void repaint (int x, int y, int w, int h)
     {
         const RECT r = { x, y, x + w, y + h };
@@ -901,7 +914,7 @@ public:
 private:
     HWND hwnd;
     DropShadower* shadower;
-    bool fullScreen, isDragging, isMouseOver;
+    bool fullScreen, isDragging, isMouseOver, hasCreatedCaret;
     BorderSize windowBorder;
     HICON currentWindowIcon;
     NOTIFYICONDATA* taskBarIcon;
@@ -1976,6 +1989,12 @@ private:
                         break;
 
                     case WM_KILLFOCUS:
+                        if (hasCreatedCaret)
+                        {
+                            hasCreatedCaret = false;
+                            DestroyCaret();
+                        }
+
                         handleFocusLoss();
                         break;
 

src/juce_appframework/gui/components/controls/juce_TextEditor.cpp

@@ -2104,6 +2104,11 @@ void TextEditor::focusGained (FocusChangeType)
 
     if (caretVisible)
         textHolder->startTimer (flashSpeedIntervalMs);
+
+    ComponentPeer* const peer = getPeer();
+    if (peer != 0)
+        peer->textInputRequired (getScreenX() - peer->getScreenX(),
+                                 getScreenY() - peer->getScreenY());
 }
 
 void TextEditor::focusLost (FocusChangeType)

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

@@ -82,6 +82,13 @@ public:
             peer->grabFocus();
     }
 
+    void textInputRequired (int x, int y)
+    {
+        ComponentPeer* peer = magnifierComp->getPeer();
+        if (peer != 0)
+            peer->textInputRequired (x, y);
+    }
+
     void getBounds (int& x, int& y, int& w, int& h) const
     {
         x = magnifierComp->getScreenX();

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

@@ -254,6 +254,13 @@ public:
     /** Tries to give the window keyboard focus. */
     virtual void grabFocus() = 0;
 
+    /** Tells the window that text input may be required at the given position.
+
+        This may cause things like a virtual on-screen keyboard to appear, depending
+        on the OS.
+    */
+    virtual void textInputRequired (int x, int y) = 0;
+
     /** Called when the window gains keyboard focus. */
     void handleFocusGain();
     /** Called when the window loses keyboard focus. */