Now shows a warning when pressed keys which don't work

Brunni132 · Jul 11, 2023 · f68567f · f68567f
1 parent 6c292f6
commit f68567f
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Showing 3 changed files with 30 additions and 6 deletions.
diff --git a/Code/KbdHook.cpp b/Code/KbdHook.cpp
@@ -489,6 +489,7 @@ LRESULT CALLBACK LowLevelKeyboardProc(int nCode, WPARAM wParam, LPARAM lParam) {
 
 	// Eat any alphanumeric key
 	if (config.mediaKeysWithCapsLockSpaceArrow && nKey >= 'A' && nKey <= 'Z' && !anyModifierPressed() && capsLockDownLazy()) {
+		StatusWindow::ShowBlocked();
 		return 1;
 	}
 

diff --git a/Code/StatusWindow.cpp b/Code/StatusWindow.cpp
@@ -8,13 +8,21 @@
 static bool alreadyRegistered = false;
 static HWND g_hWnd, g_hStaticText;
 static char text[100];
+static int windowWidth, windowHeight;
 
 static LRESULT CALLBACK WndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam) {
 	switch (message) {
 	case WM_CREATE:
-		g_hStaticText = CreateWindow("static", text, WS_CHILD | WS_VISIBLE | SS_CENTER | SS_CENTERIMAGE, 0, 0, 200, 50, hWnd, NULL, GetModuleHandle(NULL), 0);
+		g_hStaticText = CreateWindow("static", text, WS_CHILD | WS_VISIBLE | SS_CENTER | SS_CENTERIMAGE, 0, 0, windowWidth, windowHeight, hWnd, NULL, GetModuleHandle(NULL), 0);
 		break;
 
+	//case WM_WINDOWPOSCHANGED: {
+	//	WINDOWPOS *pos = (WINDOWPOS*)lParam;
+	//	printf("SetWindowPos %d %d\n", pos->cx, pos->cy);
+	//	SetWindowPos(hWnd, g_hStaticText, 0, 0, windowWidth, windowHeight, SWP_NOMOVE | SWP_NOZORDER);
+	//	break;
+	//}
+
 	case WM_TIMER:
 		DestroyWindow(hWnd);
 		break;
@@ -52,19 +60,23 @@ static ATOM MyRegisterClass(HINSTANCE hInstance)
 
 // Needs the text variable to be set to the message text to show
 // If the text is an empty string, the window is hidden if active / nothing is shown
-static void showMessageInternal(int delayMs) {
+static void showMessageInternal(int delayMs, int width = 200, int height = 50) {
 	MONITORINFOEX monitorInfo;
 	HMONITOR hMonitor = MonitorFromWindow(GetForegroundWindow(), MONITOR_DEFAULTTOPRIMARY);
 	monitorInfo.cbSize = sizeof(monitorInfo);
 	GetMonitorInfo(hMonitor, &monitorInfo);
-	const int width = 200, height = 50;
 	bool isEmptyMessage = !text[0];
 
+	if (g_hWnd && (windowWidth != width || windowHeight != height)) {
+		KillTimer(g_hWnd, 0);
+		DestroyWindow(g_hWnd);
+	}
+
+	windowWidth = width, windowHeight = height;
 	if (g_hWnd) {
 		KillTimer(g_hWnd, 0);
 		SetTimer(g_hWnd, 0, delayMs, NULL);
-	}
-	else if (!isEmptyMessage) {
+	} else if (!isEmptyMessage) {
 		if (!alreadyRegistered)
 			MyRegisterClass(GetModuleHandle(NULL));
 		alreadyRegistered = true;
@@ -79,7 +91,8 @@ static void showMessageInternal(int delayMs) {
 		SetWindowPos(g_hWnd, HWND_TOPMOST,
 			(monitorInfo.rcMonitor.right + monitorInfo.rcMonitor.left - width) / 2,
 			(monitorInfo.rcMonitor.bottom + monitorInfo.rcMonitor.top - height) / 2,
-			width, height, SWP_NOSIZE | SWP_NOZORDER);
+			width, height, SWP_NOZORDER);
+		SetWindowPos(g_hWnd, g_hStaticText, 0, 0, windowWidth, windowHeight, SWP_NOMOVE | SWP_NOZORDER);
 	}
 }
 
@@ -97,6 +110,15 @@ void StatusWindow::showVolume(double volumeLevel) {
 	showMessageInternal(2000);
 }
 
+void StatusWindow::ShowBlocked() {
+	MONITORINFOEX monitorInfo;
+	HMONITOR hMonitor = MonitorFromWindow(GetForegroundWindow(), MONITOR_DEFAULTTOPRIMARY);
+	monitorInfo.cbSize = sizeof(monitorInfo);
+	GetMonitorInfo(hMonitor, &monitorInfo);
+	strcpy_s(text, "CapsLock set; ignoring keystroke");
+	showMessageInternal(2000, monitorInfo.rcMonitor.right - monitorInfo.rcMonitor.left, monitorInfo.rcMonitor.bottom - monitorInfo.rcMonitor.top);
+}
+
 void StatusWindow::showMessage(const char *message, int timeToLeaveOpen) {
 	strcpy_s(text, message);
 	showMessageInternal(timeToLeaveOpen);

diff --git a/Code/StatusWindow.h b/Code/StatusWindow.h
@@ -3,6 +3,7 @@
 namespace StatusWindow {
 	extern void showBrightness(int brightnessLevel);
 	extern void showVolume(double volumeLevel);
+	extern void ShowBlocked();
 
 	extern void showMessage(const char *message, int timeToLeaveOpen);
 	extern void hideMessage();