2 * Date and time picker control
4 * Copyright 1998 Eric Kohl
7 * This is just a dummy control. An author is needed! Any volunteers?
8 * I will only improve this control once in a while.
9 * Eric <ekohl@abo.rhein-zeitung.de>
13 * - All notifications.
24 #define DATETIME_GetInfoPtr(wndPtr) ((DATETIME_INFO *)wndPtr->wExtra[0])
32 DATETIME_Create (WND *wndPtr, WPARAM32 wParam, LPARAM lParam)
34 DATETIME_INFO *infoPtr;
36 /* allocate memory for info structure */
37 infoPtr = (DATETIME_INFO *)COMCTL32_Alloc (sizeof(DATETIME_INFO));
38 wndPtr->wExtra[0] = (DWORD)infoPtr;
40 if (infoPtr == NULL) {
41 ERR (datetime, "could not allocate info memory!\n");
45 if ((DATETIME_INFO*)wndPtr->wExtra[0] != infoPtr) {
46 ERR (datetime, "pointer assignment error!\n");
50 /* initialize info structure */
59 DATETIME_Destroy (WND *wndPtr, WPARAM32 wParam, LPARAM lParam)
61 DATETIME_INFO *infoPtr = DATETIME_GetInfoPtr(wndPtr);
68 /* free ipaddress info data */
69 COMCTL32_Free (infoPtr);
78 DATETIME_WindowProc (HWND32 hwnd, UINT32 uMsg, WPARAM32 wParam, LPARAM lParam)
80 WND *wndPtr = WIN_FindWndPtr(hwnd);
87 return DATETIME_Create (wndPtr, wParam, lParam);
90 return DATETIME_Destroy (wndPtr, wParam, lParam);
94 ERR (datetime, "unknown msg %04x wp=%08x lp=%08lx\n",
95 uMsg, wParam, lParam);
96 return DefWindowProc32A (hwnd, uMsg, wParam, lParam);
103 DATETIME_Register (VOID)
105 WNDCLASS32A wndClass;
107 if (GlobalFindAtom32A (DATETIMEPICK_CLASS32A)) return;
109 ZeroMemory (&wndClass, sizeof(WNDCLASS32A));
110 wndClass.style = CS_GLOBALCLASS;
111 wndClass.lpfnWndProc = (WNDPROC32)DATETIME_WindowProc;
112 wndClass.cbClsExtra = 0;
113 wndClass.cbWndExtra = sizeof(DATETIME_INFO *);
114 wndClass.hCursor = LoadCursor32A (0, IDC_ARROW32A);
115 wndClass.hbrBackground = (HBRUSH32)(COLOR_WINDOW + 1);
116 wndClass.lpszClassName = DATETIMEPICK_CLASS32A;
118 RegisterClass32A (&wndClass);
123 DATETIME_Unregister (VOID)
125 if (GlobalFindAtom32A (DATETIMEPICK_CLASS32A))
126 UnregisterClass32A (DATETIMEPICK_CLASS32A, (HINSTANCE32)NULL);