2 * Month calendar 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.
23 #define MONTHCAL_GetInfoPtr(wndPtr) ((MONTHCAL_INFO *)wndPtr->wExtra[0])
31 MONTHCAL_Create (WND *wndPtr, WPARAM wParam, LPARAM lParam)
33 MONTHCAL_INFO *infoPtr;
35 /* allocate memory for info structure */
36 infoPtr = (MONTHCAL_INFO *)COMCTL32_Alloc (sizeof(MONTHCAL_INFO));
37 wndPtr->wExtra[0] = (DWORD)infoPtr;
39 if (infoPtr == NULL) {
40 ERR (monthcal, "could not allocate info memory!\n");
44 if ((MONTHCAL_INFO*)wndPtr->wExtra[0] != infoPtr) {
45 ERR (monthcal, "pointer assignment error!\n");
49 /* initialize info structure */
58 MONTHCAL_Destroy (WND *wndPtr, WPARAM wParam, LPARAM lParam)
60 MONTHCAL_INFO *infoPtr = MONTHCAL_GetInfoPtr(wndPtr);
67 /* free ipaddress info data */
68 COMCTL32_Free (infoPtr);
77 MONTHCAL_WindowProc (HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
79 WND *wndPtr = WIN_FindWndPtr(hwnd);
86 return MONTHCAL_Create (wndPtr, wParam, lParam);
89 return MONTHCAL_Destroy (wndPtr, wParam, lParam);
93 ERR (monthcal, "unknown msg %04x wp=%08x lp=%08lx\n",
94 uMsg, wParam, lParam);
95 return DefWindowProcA (hwnd, uMsg, wParam, lParam);
102 MONTHCAL_Register (VOID)
106 if (GlobalFindAtomA (MONTHCAL_CLASSA)) return;
108 ZeroMemory (&wndClass, sizeof(WNDCLASSA));
109 wndClass.style = CS_GLOBALCLASS;
110 wndClass.lpfnWndProc = (WNDPROC)MONTHCAL_WindowProc;
111 wndClass.cbClsExtra = 0;
112 wndClass.cbWndExtra = sizeof(MONTHCAL_INFO *);
113 wndClass.hCursor = LoadCursorA (0, IDC_ARROWA);
114 wndClass.hbrBackground = (HBRUSH)(COLOR_WINDOW + 1);
115 wndClass.lpszClassName = MONTHCAL_CLASSA;
117 RegisterClassA (&wndClass);
122 MONTHCAL_Unregister (VOID)
124 if (GlobalFindAtomA (MONTHCAL_CLASSA))
125 UnregisterClassA (MONTHCAL_CLASSA, (HINSTANCE)NULL);