Create moving.c

firststeps/moving.c

@@ -0,0 +1,91 @@
+#include <windows.h>
+#include <wchar.h>
+
+LRESULT CALLBACK WndProc(HWND, UINT, WPARAM, LPARAM);
+void CreateLabels(HWND);
+
+HWND hwndSta1;
+HWND hwndSta2;
+
+int WINAPI wWinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, 
+                    PWSTR pCmdLine, int CmdShow) {
+    HWND hwnd;
+    MSG  msg;
+
+    WNDCLASSW wc = {0};
+    wc.lpszClassName = L"Moving";
+    wc.hInstance     = hInstance ;
+    wc.hbrBackground = GetSysColorBrush(COLOR_3DFACE);
+    wc.lpfnWndProc   = WndProc;
+    wc.hCursor       = LoadCursor(0, IDC_ARROW);
+  
+    RegisterClassW(&wc);
+    hwnd = CreateWindowW(wc.lpszClassName, L"Moving",
+                         WS_OVERLAPPEDWINDOW | WS_VISIBLE,
+                         150, 150, 250, 180, 0, 0, hInstance, 0);
+
+    while(GetMessage(&msg, NULL, 0, 0)) {
+    
+        TranslateMessage(&msg);
+        DispatchMessage(&msg);
+    }
+    
+    return (int) msg.wParam;
+}
+
+LRESULT CALLBACK WndProc(HWND hwnd, UINT msg, 
+    WPARAM wParam, LPARAM lParam) {
+
+    wchar_t buf[10];
+    RECT rect;
+
+    switch(msg) {
+    
+      case WM_CREATE:
+      
+        CreateLabels(hwnd);
+        break;
+
+      case WM_MOVE:
+      
+        GetWindowRect(hwnd, &rect);
+
+        StringCbPrintfW(buf, BUF_LEN, L"%ld", rect.left);  
+        SetWindowTextW(hwndSta1, buf);
+
+        StringCbPrintfW(buf, BUF_LEN, L"%ld", rect.top);  
+        SetWindowTextW(hwndSta2, buf);
+
+        break;
+
+      case WM_DESTROY:
+      
+        PostQuitMessage(0);
+        break; 
+    }
+
+    return DefWindowProcW(hwnd, msg, wParam, lParam);
+}
+
+void CreateLabels(HWND hwnd) {
+
+    CreateWindowW(L"static", L"x: ",
+        WS_CHILD | WS_VISIBLE,
+        10, 10, 25, 25, 
+        hwnd, (HMENU) 1, NULL, NULL);
+
+    hwndSta1 = CreateWindowW(L"static", L"150",
+        WS_CHILD | WS_VISIBLE,
+        40, 10, 55, 25, 
+       hwnd, (HMENU) 2, NULL, NULL);
+
+    CreateWindowW(L"static", L"y: ",
+        WS_CHILD | WS_VISIBLE,
+        10, 30, 25, 25, 
+        hwnd, (HMENU) 3, NULL, NULL);
+
+    hwndSta2 = CreateWindowW(L"static", L"150",
+        WS_CHILD | WS_VISIBLE,
+        40, 30, 55, 25, 
+        hwnd, (HMENU) 4, NULL, NULL);
+}