Sweden-Number/dlls/comctl32/datetime.c

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/*
* Date and time picker control
*
* Copyright 1998 Eric Kohl
*
* NOTES
* This is just a dummy control. An author is needed! Any volunteers?
* I will only improve this control once in a while.
* Eric <ekohl@abo.rhein-zeitung.de>
*
* TODO:
* - All messages.
* - All notifications.
*
*/
#include "windows.h"
#include "commctrl.h"
#include "datetime.h"
#include "win.h"
#include "debug.h"
#define DATETIME_GetInfoPtr(wndPtr) ((DATETIME_INFO *)wndPtr->wExtra[0])
static LRESULT
DATETIME_Create (WND *wndPtr, WPARAM32 wParam, LPARAM lParam)
{
DATETIME_INFO *infoPtr;
/* allocate memory for info structure */
infoPtr = (DATETIME_INFO *)COMCTL32_Alloc (sizeof(DATETIME_INFO));
wndPtr->wExtra[0] = (DWORD)infoPtr;
if (infoPtr == NULL) {
ERR (datetime, "could not allocate info memory!\n");
return 0;
}
if ((DATETIME_INFO*)wndPtr->wExtra[0] != infoPtr) {
ERR (datetime, "pointer assignment error!\n");
return 0;
}
/* initialize info structure */
return 0;
}
static LRESULT
DATETIME_Destroy (WND *wndPtr, WPARAM32 wParam, LPARAM lParam)
{
DATETIME_INFO *infoPtr = DATETIME_GetInfoPtr(wndPtr);
/* free ipaddress info data */
COMCTL32_Free (infoPtr);
return 0;
}
LRESULT WINAPI
DATETIME_WindowProc (HWND32 hwnd, UINT32 uMsg, WPARAM32 wParam, LPARAM lParam)
{
WND *wndPtr = WIN_FindWndPtr(hwnd);
switch (uMsg)
{
case WM_CREATE:
return DATETIME_Create (wndPtr, wParam, lParam);
case WM_DESTROY:
return DATETIME_Destroy (wndPtr, wParam, lParam);
default:
if (uMsg >= WM_USER)
ERR (datetime, "unknown msg %04x wp=%08x lp=%08lx\n",
uMsg, wParam, lParam);
return DefWindowProc32A (hwnd, uMsg, wParam, lParam);
}
return 0;
}
VOID
DATETIME_Register (VOID)
{
WNDCLASS32A wndClass;
if (GlobalFindAtom32A (DATETIMEPICK_CLASS32A)) return;
ZeroMemory (&wndClass, sizeof(WNDCLASS32A));
wndClass.style = CS_GLOBALCLASS;
wndClass.lpfnWndProc = (WNDPROC32)DATETIME_WindowProc;
wndClass.cbClsExtra = 0;
wndClass.cbWndExtra = sizeof(DATETIME_INFO *);
wndClass.hCursor = LoadCursor32A (0, IDC_ARROW32A);
wndClass.hbrBackground = (HBRUSH32)(COLOR_WINDOW + 1);
wndClass.lpszClassName = DATETIMEPICK_CLASS32A;
RegisterClass32A (&wndClass);
}
VOID
DATETIME_Unregister (VOID)
{
if (GlobalFindAtom32A (DATETIMEPICK_CLASS32A))
UnregisterClass32A (DATETIMEPICK_CLASS32A, (HINSTANCE32)NULL);
}