virtualkeyboard: update keymap when it changed

load current keymap on start

Change-Id: I1030cf5aaf9641f7e915f8fc10dec3144cab014f
Reviewed-on: https://review.haiku-os.org/c/haiku/+/8904
Reviewed-by: waddlesplash <[email protected]>

src/add-ons/input_server/devices/virtualkeyboard/VirtualKeyboardInputDevice.cpp

@@ -59,5 +59,7 @@ status_t
 VirtualKeyboardInputDevice::Control(const char* name, void* cookie, uint32 command,
 	BMessage* message)
 {
+	if (command == B_KEY_MAP_CHANGED)
+		fKeyboardWindow->PostMessage(kKeymapChange);
 	return B_OK;
 }

src/add-ons/input_server/devices/virtualkeyboard/VirtualKeyboardWindow.cpp

@@ -51,9 +51,7 @@ VirtualKeyboardWindow::VirtualKeyboardWindow(BInputServerDevice* dev)
 	_LoadLayouts(fLayoutMenu);
 	_LoadFonts();
 
-	KeymapListItem* current = static_cast<KeymapListItem*>(fMapListView->LastItem());
-	fCurrentKeymap.Load(current->EntryRef());
-
+	fCurrentKeymap.SetToCurrent();
 
 	fKeyboardView = new KeyboardLayoutView("Keyboard", fDevice);
 	fKeyboardView->GetKeyboardLayout()->SetDefault();
@@ -155,6 +153,10 @@ VirtualKeyboardWindow::_LoadFonts()
 void
 VirtualKeyboardWindow::MessageReceived(BMessage* message)
 {
+	if (message->what == kKeymapChange) {
+		fCurrentKeymap.SetToCurrent();
+		fKeyboardView->SetKeymap(&fCurrentKeymap);
+	}
 	BWindow::MessageReceived(message);
 }
 

src/add-ons/input_server/devices/virtualkeyboard/VirtualKeyboardWindow.h

@@ -16,6 +16,9 @@ class BDirectory;
 class BListView;
 class BMenu;
 
+static const uint32 kKeymapChange = 'vKCG';
+
+
 class VirtualKeyboardWindow : public BWindow {
 public:
 							VirtualKeyboardWindow(BInputServerDevice* dev);