Added hotkey for hide tray icon.

wCenterWindow/wCenterWindow.cpp

@@ -17,14 +17,16 @@ HMENU			hMenu, hPopup;
 HWND			hWnd;
 NOTIFYICONDATA	nid = { 0 };
 KBDLLHOOKSTRUCT	*pkhs;
+BOOL			pressed = FALSE, showIcon = TRUE;
+BOOL			bLCTRL = FALSE, bLWIN = FALSE, bKEYI = FALSE, bKEYC = FALSE;
 int				dtCenterX, dtCenterY;
-bool			pressed = FALSE;
 
 // Прототипы функций
 ATOM				MyRegisterClass(HINSTANCE);
 VOID				ShowError(HINSTANCE, UINT);
 LRESULT CALLBACK	WndProc(HWND, UINT, WPARAM, LPARAM);
 LRESULT CALLBACK	KeyboardHookProc(int, WPARAM, LPARAM);
+BOOL				CreateTrayIcon();
 
 // Точка входа
 int APIENTRY wWinMain(_In_		HINSTANCE	hInstance,
@@ -43,6 +45,7 @@ int APIENTRY wWinMain(_In_		HINSTANCE	hInstance,
 		return FALSE;
 	}
 	MyRegisterClass(hInstance);
+
 	hWnd = CreateWindowExW(0, szClass, szTitle, 0, 0, 0, 0, 0, NULL, NULL, hInstance, NULL);
 	if (!hWnd)
 	{
@@ -50,20 +53,14 @@ int APIENTRY wWinMain(_In_		HINSTANCE	hInstance,
 		return FALSE;
 	}
 
-	nid.cbSize = sizeof(NOTIFYICONDATA);
+	if (showIcon)
-	nid.hWnd = hWnd;
+	{
-	nid.uVersion = NOTIFYICON_VERSION;
+		if (!CreateTrayIcon())
-	nid.uCallbackMessage = WM_WCW;
-	nid.hIcon = hIcon;
-	nid.uID = IDI_TRAYICON;
-	nid.uFlags = NIF_ICON | NIF_MESSAGE | NIF_TIP;
-	nid.dwInfoFlags = NIIF_INFO;
-	StringCchCopy(nid.szTip, sizeof(nid.szTip), szTitle);
-	if (!Shell_NotifyIcon(NIM_ADD, &nid))
 		{
 			ShowError(hInstance, IDS_ERR_ICON);
 			SendMessage(hWnd, WM_CLOSE, NULL, NULL);
 		}
+	}
 
 	hMenu = LoadMenu(hInstance, MAKEINTRESOURCE(IDR_MENU));
 	if (!hMenu)
@@ -160,11 +157,38 @@ LRESULT CALLBACK WndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam)
 LRESULT CALLBACK KeyboardHookProc(int nCode, WPARAM wParam, LPARAM lParam)
 {
 	pkhs = (KBDLLHOOKSTRUCT*)lParam;
-	bool bLCTRL, bLWIN;
-	GetAsyncKeyState(VK_LCONTROL) < 0 ? bLCTRL = TRUE : bLCTRL = FALSE;
-	GetAsyncKeyState(VK_LWIN) < 0 ? bLWIN = TRUE : bLWIN = FALSE;
 
-	if ((bLCTRL && bLWIN && pkhs->vkCode == 0x43) && !pressed)
+	if (wParam == WM_KEYUP)
+	{
+		if (pkhs->vkCode == VK_LCONTROL) bLCTRL = FALSE;
+		if (pkhs->vkCode == VK_LWIN) bLWIN = FALSE;
+		pressed = FALSE;
+	}
+
+	if (wParam == WM_KEYDOWN)
+	{
+		if (pkhs->vkCode == VK_LCONTROL) bLCTRL = TRUE;
+		if (pkhs->vkCode == VK_LWIN) bLWIN = TRUE;
+
+		if (bLCTRL && bLWIN && pkhs->vkCode == 0x49 && !pressed)	// 'I' key
+		{
+			pressed = TRUE;
+			showIcon = !showIcon;
+			if (showIcon)
+			{
+				if (!CreateTrayIcon())
+				{
+					ShowError(GetModuleHandle(NULL), IDS_ERR_ICON);
+					showIcon = FALSE;
+				}
+			}
+			else
+			{
+				Shell_NotifyIcon(NIM_DELETE, &nid);
+			}
+		}
+
+		if (bLCTRL && bLWIN && pkhs->vkCode == 0x43 && !pressed)	// 'C' key
 		{
 			pressed = TRUE;
 			HWND fgWindow = GetForegroundWindow();
@@ -177,7 +201,6 @@ LRESULT CALLBACK KeyboardHookProc(int nCode, WPARAM wParam, LPARAM lParam)
 					if (parentWindow) fgWindow = parentWindow;
 					else break;
 				}
-
 				WINDOWPLACEMENT wp = { 0 };
 				wp.length = sizeof(WINDOWPLACEMENT);
 				GetWindowPlacement(fgWindow, &wp);
@@ -196,14 +219,29 @@ LRESULT CALLBACK KeyboardHookProc(int nCode, WPARAM wParam, LPARAM lParam)
 					SendMessage(fgWindow, WM_EXITSIZEMOVE, NULL, NULL);
 				}
 			}
-		pressed = FALSE;
+		}
 	}
 	return CallNextHookEx(NULL, nCode, wParam, lParam);
 }
 
+BOOL CreateTrayIcon()
+{
+	nid.cbSize = sizeof(NOTIFYICONDATA);
+	nid.hWnd = hWnd;
+	nid.uVersion = NOTIFYICON_VERSION;
+	nid.uCallbackMessage = WM_WCW;
+	nid.hIcon = hIcon;
+	nid.uID = IDI_TRAYICON;
+	nid.uFlags = NIF_ICON | NIF_MESSAGE | NIF_TIP;
+	nid.dwInfoFlags = NIIF_INFO;
+	StringCchCopy(nid.szTip, sizeof(nid.szTip), szTitle);
+	return Shell_NotifyIcon(NIM_ADD, &nid);
+}
+
 VOID ShowError(HINSTANCE hInstance, UINT uID)
 {
 	WCHAR szErrorText[MAX_LOADSTRING]; // Текст ошибки
 	LoadStringW(hInstance, uID, szErrorText, MAX_LOADSTRING);
 	MessageBox(hWnd, szErrorText, szTitle, MB_OK | MB_ICONERROR);
 }
+