my rectwin app enhanced:
#include <windows.h> #include <shellapi.h> // For Shell_NotifyIcon functions #include <stdio.h>// building the app: // gcc h1.c -o h1.exe -luser32 -lcomctl32 -mwindows#define ID_TRAY_APP_ICON 1001 #define WM_TRAYICON (WM_USER + 1)// Hotkey IDs #define HOTKEY_QUARTER_U 1 #define HOTKEY_QUARTER_I 2 #define HOTKEY_QUARTER_J 3 #define HOTKEY_K 4 #define HOTKEY_HALF_LEFT 5 #define HOTKEY_HALF_RIGHT 6 #define HOTKEY_HALF_UP 7 #define HOTKEY_HALF_DOWN 8 #define HOTKEY_FULL_SCREEN 9 // <-- New hotkey for full screenHICON hIcon; NOTIFYICONDATA nid;// Function prototypes LRESULT CALLBACK WndProc(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam); void RegisterHotkeys(HWND hwnd); void UnregisterHotkeys(HWND hwnd); void ShowContextMenu(HWND hwnd, POINT pt); void SetupTrayIcon(HWND hwnd); void RemoveTrayIcon(HWND hwnd); void ResizeActiveWindow(double rel_x, double rel_y, double rel_w, double rel_h); void InitTrayIcon(HWND hwnd);int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR, int nCmdShow) {// Register window classWNDCLASS wc = {0};wc.lpfnWndProc = WndProc;wc.hInstance = hInstance;wc.lpszClassName = "HotkeyResizerTray";if (!RegisterClass(&wc)){MessageBox(NULL, "Failed to register window class", "Error", MB_OK);return 1;}// Create invisible windowHWND hwnd = CreateWindow(wc.lpszClassName, "Hotkey Resizer Tray", 0,CW_USEDEFAULT, CW_USEDEFAULT, CW_USEDEFAULT, CW_USEDEFAULT,NULL, NULL, hInstance, NULL);if (!hwnd){MessageBox(NULL, "Failed to create window", "Error", MB_OK);return 1;}// Load an icon for the trayhIcon = LoadIcon(NULL, IDI_APPLICATION);// Setup system tray icon SetupTrayIcon(hwnd);// Register hotkeys RegisterHotkeys(hwnd);// Message loop MSG msg;while (GetMessage(&msg, NULL, 0, 0) > 0){TranslateMessage(&msg);DispatchMessage(&msg);}// Cleanup UnregisterHotkeys(hwnd);RemoveTrayIcon(hwnd);DestroyIcon(hIcon);return 0; }// Register hotkeys void RegisterHotkeys(HWND hwnd) {RegisterHotKey(hwnd, HOTKEY_QUARTER_U, MOD_CONTROL, 0x55); // Ctrl+URegisterHotKey(hwnd, HOTKEY_QUARTER_I, MOD_CONTROL, 0x49); // Ctrl+IRegisterHotKey(hwnd, HOTKEY_QUARTER_J, MOD_CONTROL, 0x4A); // Ctrl+JRegisterHotKey(hwnd, HOTKEY_K, MOD_CONTROL, 0x4B); // Ctrl+K RegisterHotKey(hwnd, HOTKEY_HALF_LEFT, MOD_CONTROL, VK_LEFT);RegisterHotKey(hwnd, HOTKEY_HALF_RIGHT, MOD_CONTROL, VK_RIGHT);RegisterHotKey(hwnd, HOTKEY_HALF_UP, MOD_CONTROL, VK_UP);RegisterHotKey(hwnd, HOTKEY_HALF_DOWN, MOD_CONTROL, VK_DOWN);// Add Ctrl+Enter for full screen resize RegisterHotKey(hwnd, HOTKEY_FULL_SCREEN, MOD_CONTROL, VK_RETURN); }// Unregister hotkeys void UnregisterHotkeys(HWND hwnd) {for (int id = HOTKEY_QUARTER_U; id <= HOTKEY_FULL_SCREEN; id++){UnregisterHotKey(hwnd, id);} }// Setup system tray icon void SetupTrayIcon(HWND hwnd) {memset(&nid, 0, sizeof(nid));nid.cbSize = sizeof(nid);nid.hWnd = hwnd;nid.uID = ID_TRAY_APP_ICON;nid.uFlags = NIF_ICON | NIF_MESSAGE | NIF_TIP;nid.uCallbackMessage = WM_TRAYICON;nid.hIcon = hIcon;strcpy(nid.szTip, "Hotkey Resizer (Right-click for options)");Shell_NotifyIcon(NIM_ADD, &nid); }// Remove tray icon void RemoveTrayIcon(HWND hwnd) {Shell_NotifyIcon(NIM_DELETE, &nid); }// Show context menu void ShowContextMenu(HWND hwnd, POINT pt) {HMENU hMenu = CreatePopupMenu();if (hMenu){InsertMenu(hMenu, -1, MF_BYPOSITION, 1, "Exit");SetForegroundWindow(hwnd);TrackPopupMenu(hMenu, TPM_BOTTOMALIGN | TPM_LEFTALIGN, pt.x, pt.y, 0, hwnd, NULL);DestroyMenu(hMenu);} }// Resize window based on relative position and size void ResizeActiveWindow(double rel_x, double rel_y, double rel_w, double rel_h) {HWND hwndActive = GetForegroundWindow();if (!hwndActive)return;RECT workArea;SystemParametersInfo(SPI_GETWORKAREA, 0, &workArea, 0);int screenWidth = workArea.right - workArea.left;int screenHeight = workArea.bottom - workArea.top;int newX = workArea.left + (int)(rel_x * screenWidth);int newY = workArea.top + (int)(rel_y * screenHeight);int newW = (int)(rel_w * screenWidth);int newH = (int)(rel_h * screenHeight);SetWindowPos(hwndActive, HWND_TOP, newX, newY, newW, newH, SWP_NOZORDER); }// Resize to full screen void ResizeToFullScreen() {HWND hwndActive = GetForegroundWindow();if (!hwndActive)return;RECT workArea;SystemParametersInfo(SPI_GETWORKAREA, 0, &workArea, 0);int width = workArea.right - workArea.left;int height = workArea.bottom - workArea.top;SetWindowPos(hwndActive, HWND_TOP, workArea.left, workArea.top, width, height, SWP_NOZORDER); }// Main window procedure LRESULT CALLBACK WndProc(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam) {switch (msg){case WM_TRAYICON:if (lParam == WM_RBUTTONDOWN){POINT pt;GetCursorPos(&pt);ShowContextMenu(hwnd, pt);}break;case WM_COMMAND:if (LOWORD(wParam) == 1){ // Exit menu itemPostQuitMessage(0);}break;case WM_HOTKEY:switch (wParam){case HOTKEY_QUARTER_U:ResizeActiveWindow(0, 0, 0.5, 0.5);break;case HOTKEY_QUARTER_I:ResizeActiveWindow(0.5, 0, 0.5, 0.5);break;case HOTKEY_QUARTER_J:ResizeActiveWindow(0, 0.5, 0.5, 0.5);break;case HOTKEY_K:ResizeActiveWindow(0.5, 0.5, 0.5, 0.5);break;case HOTKEY_HALF_LEFT:ResizeActiveWindow(0, 0, 0.5, 1);break;case HOTKEY_HALF_RIGHT:ResizeActiveWindow(0.5, 0, 0.5, 1);break;case HOTKEY_HALF_UP:ResizeActiveWindow(0, 0, 1, 0.5);break;case HOTKEY_HALF_DOWN:ResizeActiveWindow(0, 0.5, 1, 0.5);break;case HOTKEY_FULL_SCREEN:ResizeToFullScreen();break;}break;case WM_DESTROY:PostQuitMessage(0);break;default:return DefWindowProc(hwnd, msg, wParam, lParam);}return 0; }