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Sweden-Number/dlls/comctl32/monthcal.c

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/*
* Month calendar control
*
* Copyright 1998, 1999 Eric Kohl (ekohl@abo.rhein-zeitung.de)
* Copyright 1999 Alex Priem (alexp@sci.kun.nl)
*
* TODO:
* - Notifications.
*
*
* FIXME: refresh should ask for rect of required length. (?)
* FIXME: when pressing next/prev button, button should disappear
* until mouse is released. Should also set timer.
* FIXME: we refresh to often; especially in LButtonDown/MouseMove.
* FIXME: handle resources better (doesn't work now); also take care
of internationalization.
*/
#include "winbase.h"
#include "winuser.h"
#include "wingdi.h"
#include "win.h"
#include "winnls.h"
#include "commctrl.h"
#include "comctl32.h"
#include "monthcal.h"
#include "debugtools.h"
DEFAULT_DEBUG_CHANNEL(monthcal)
/* take #days/month from ole/parsedt.c;
* we want full month-names, and abbreviated weekdays, so these are
* defined here */
extern int mdays[];
char *monthtxt[] = {"January", "February", "March", "April", "May",
"June", "July", "August", "September", "October",
"November", "December"};
char *daytxt[] = {"Mon", "Tue", "Wed", "Thu", "Fri", "Sat", "Sun" };
int DayOfWeekTable[] = {0, 3, 2, 5, 0, 3, 5, 1, 4, 6, 2, 4};
#define MONTHCAL_GetInfoPtr(hwnd) ((MONTHCAL_INFO *)GetWindowLongA (hwnd, 0))
/* helper functions
* MONTHCAL_ValidateTime: is time a valid date/time combo?
*/
/* CHECKME: all these validations OK? */
static int MONTHCAL_ValidateTime (SYSTEMTIME time)
{
if (time.wMonth > 12) return FALSE;
if (time.wDayOfWeek > 6) return FALSE;
if (time.wDay > mdays[time.wMonth]) return FALSE;
if (time.wMonth > 23) return FALSE;
if (time.wMinute > 60) return FALSE;
if (time.wSecond > 60) return FALSE;
if (time.wMilliseconds > 100) return FALSE;
return TRUE;
}
static void MONTHCAL_CopyTime (const SYSTEMTIME *from, SYSTEMTIME *to)
{
to->wYear=from->wYear;
to->wMonth=from->wMonth;
to->wDayOfWeek=from->wDayOfWeek;
to->wDay=from->wDay;
to->wHour=from->wHour;
to->wMinute=from->wMinute;
to->wSecond=from->wSecond;
to->wMilliseconds=from->wMilliseconds;
}
/* Note:Depending on DST, this may be offset by a day.
Need to find out if we're on a DST place & adjust the clock accordingly.
Above function assumes we have a valid data.
Valid for year>1752; d <= 1 <= 31, 1 <= m <= 12.
0=Monday.
*/
static int MONTHCAL_CalculateDayOfWeek (DWORD day, DWORD month, DWORD year)
{
year -= month < 3;
return (year + year/4 - year/100 + year/400 +
DayOfWeekTable[month-1] + day - 1 ) % 7;
}
static int MONTHCAL_CalcDayFromPos (MONTHCAL_INFO *infoPtr, int x, int y)
{
int daypos,weekpos,retval,firstDay;
daypos=(x - infoPtr->prevmonth.left) / infoPtr->textWidth ;
weekpos=(y - infoPtr->days.bottom - infoPtr->rcClient.top) /
(infoPtr->textHeight*1.25);
firstDay=MONTHCAL_CalculateDayOfWeek (1,infoPtr->currentMonth,infoPtr->currentYear);
retval=daypos + 7*weekpos - firstDay;
TRACE ("%d %d %d\n",daypos,weekpos,retval);
return retval;
}
static void MONTHCAL_CalcDayXY (MONTHCAL_INFO *infoPtr, int day, int month,
int *x, int *y)
{
int firstDay,prevMonth;
firstDay=MONTHCAL_CalculateDayOfWeek (1,infoPtr->currentMonth,infoPtr->currentYear);
if (month==infoPtr->currentMonth) {
*x=(day+firstDay) & 7;
*y=(day+firstDay-*x) / 7;
return;
}
if (month < infoPtr->currentMonth) {
prevMonth=month - 1;
if (prevMonth==0) prevMonth=11;
*x=(mdays[prevMonth]-firstDay) & 7;
*y=0;
}
*y=mdays[month] / 7;
*x=(day+firstDay+mdays[month]) & 7;
}
static void MONTHCAL_CalcDayRect (MONTHCAL_INFO *infoPtr, RECT *r, int x, int y)
{
r->left = infoPtr->prevmonth.left + x * infoPtr->textWidth;
r->right = r->left + infoPtr->textWidth;
r->top = infoPtr->rcClient.top + y * 1.25 * infoPtr->textHeight
+ infoPtr->days.bottom;
r->bottom = r->top + infoPtr->textHeight;
}
static inline void MONTHCAL_CalcPosFromDay (MONTHCAL_INFO *infoPtr,
int day, int month, RECT *r)
{
int x,y;
MONTHCAL_CalcDayXY (infoPtr, day, month, &x, &y);
MONTHCAL_CalcDayRect (infoPtr, r, x, y);
}
static void MONTHCAL_CircleDay (HDC hdc, MONTHCAL_INFO *infoPtr, int i, int j)
{
HPEN hRedPen = CreatePen(PS_SOLID, 2, RGB (255,0,0) );
HPEN hOldPen2 = SelectObject( hdc, hRedPen );
POINT points[7];
int x,y;
/* use prevmonth to calculate position because it contains the extra width
* from MCS_WEEKNUMBERS
*/
x=infoPtr->prevmonth.left + (i+0.5)*infoPtr->textWidth;
y=infoPtr->rcClient.top + 1.25*(j+0.5)*infoPtr->textHeight + infoPtr->days.bottom;
points[0].x = x;
points[0].y = y-0.25*infoPtr->textHeight;
points[1].x = x-1.0*infoPtr->textWidth;
points[1].y = y;
points[2].x = x;
points[2].y = y+0.6*infoPtr->textHeight;
points[3].x = x+0.5*infoPtr->textWidth;
points[3].y = y;
points[4].x = x+0.3*infoPtr->textWidth;
points[4].y = y-0.5*infoPtr->textHeight;
points[5].x = x-0.25*infoPtr->textWidth;
points[5].y = y-0.5*infoPtr->textHeight;
points[6].x = x-0.5*infoPtr->textWidth;
points[6].y = y-0.45*infoPtr->textHeight;
PolyBezier (hdc,points,4);
PolyBezier (hdc,points+3,4);
DeleteObject (hRedPen);
SelectObject (hdc, hOldPen2);
}
static void MONTHCAL_DrawDay (HDC hdc, MONTHCAL_INFO *infoPtr,
int day, int month, int x, int y, int bold)
{
char buf[10];
RECT r;
static int haveBoldFont,haveSelectedDay=FALSE;
HBRUSH hbr;
COLORREF oldCol,oldBk;
sprintf (buf,"%d",day);
/* No need to check styles: when selection is not valid, it is set to zero.
* 1<day<31, so evertyhing's OK.
*/
MONTHCAL_CalcDayRect (infoPtr, &r, x, y);
if ((day>=infoPtr->minSel.wDay) && (day<=infoPtr->maxSel.wDay)
&& (month==infoPtr->currentMonth)) {
HRGN hrgn;
RECT r2;
TRACE ("%d %d %d\n",day,infoPtr->minSel.wDay,infoPtr->maxSel.wDay);
TRACE ("%d %d %d %d\n", r.left, r.top, r.right, r.bottom);
oldCol=SetTextColor (hdc, infoPtr->monthbk);
oldBk=SetBkColor (hdc,infoPtr->trailingtxt);
hbr= GetSysColorBrush (COLOR_GRAYTEXT);
hrgn=CreateEllipticRgn (r.left,r.top, r.right,r.bottom);
FillRgn (hdc,hrgn,hbr);
r2.left = r.left-0.25*infoPtr->textWidth;
r2.top = r.top;
r2.right = r.left+0.5*infoPtr->textWidth;
r2.bottom = r.bottom;
if (haveSelectedDay) FillRect (hdc,&r2,hbr);
haveSelectedDay=TRUE;
} else {
haveSelectedDay=FALSE;
}
/* need to add some code for multiple selections */
if ((bold) && (!haveBoldFont)) {
SelectObject (hdc, infoPtr->hBoldFont);
haveBoldFont=TRUE;
}
if ((!bold) && (haveBoldFont)) {
SelectObject (hdc, infoPtr->hFont);
haveBoldFont=FALSE;
}
DrawTextA ( hdc, buf, lstrlenA(buf), &r,
DT_CENTER | DT_VCENTER | DT_SINGLELINE );
if (haveSelectedDay) {
SetTextColor(hdc, oldCol);
SetBkColor (hdc, oldBk);
}
if ((day==infoPtr->curSelDay) && (month==infoPtr->currentMonth)) {
HPEN hNewPen, hOldPen;
hNewPen = CreatePen(PS_DOT, 0, GetSysColor(COLOR_WINDOWTEXT) );
hbr= GetSysColorBrush (COLOR_WINDOWTEXT);
hOldPen = SelectObject( hdc, hNewPen );
r.left+=2;
r.right-=2;
r.top-=1;
r.bottom+=1;
FrameRect (hdc, &r, hbr);
SelectObject( hdc, hOldPen );
}
}
/* CHECKME: For `todays date', do we need to check the locale?*/
/* CHECKME: For `todays date', how do is Y2K handled?*/
/* FIXME: todays date circle */
static void MONTHCAL_Refresh (HWND hwnd, HDC hdc)
{
MONTHCAL_INFO *infoPtr=MONTHCAL_GetInfoPtr(hwnd);
RECT *rcClient=&infoPtr->rcClient;
RECT *title=&infoPtr->title;
RECT *prev=&infoPtr->titlebtnprev;
RECT *next=&infoPtr->titlebtnnext;
RECT *titlemonth=&infoPtr->titlemonth;
RECT *titleyear=&infoPtr->titleyear;
RECT *prevmonth=&infoPtr->prevmonth;
RECT *nextmonth=&infoPtr->nextmonth;
RECT *days=&infoPtr->days;
RECT *weeknums=&infoPtr->weeknums;
RECT *rtoday=&infoPtr->today;
int i,j,m,mask,day,firstDay, weeknum,prevMonth;
int textHeight,textWidth;
SIZE size;
HBRUSH hbr;
HFONT currentFont;
TEXTMETRICA tm;
// LOGFONTA logFont;
char buf[20],*thisMonthtxt;
COLORREF oldTextColor,oldBkColor;
DWORD dwStyle = GetWindowLongA (hwnd, GWL_STYLE);
BOOL prssed;
oldTextColor = SetTextColor(hdc, GetSysColor( COLOR_WINDOWTEXT));
currentFont = SelectObject (hdc, infoPtr->hFont);
/* FIXME: need a way to determine current font, without setting it */
/*
if (infoPtr->hFont!=currentFont) {
SelectObject (hdc, currentFont);
infoPtr->hFont=currentFont;
GetObjectA (currentFont, sizeof (LOGFONTA), &logFont);
logFont.lfWeight=FW_BOLD;
infoPtr->hBoldFont = CreateFontIndirectA (&logFont);
}
*/
GetTextMetricsA (hdc, &tm);
infoPtr->textHeight=textHeight=tm.tmHeight + tm.tmExternalLeading;
GetTextExtentPoint32A (hdc, "Sun",3, &size);
infoPtr->textWidth=textWidth=size.cx+2;
GetClientRect (hwnd, rcClient);
hbr = CreateSolidBrush (RGB(255,255,255));
DrawEdge (hdc, rcClient, EDGE_SUNKEN, BF_RECT | BF_ADJUST);
FillRect (hdc, rcClient, hbr);
DeleteObject (hbr);
/* calculate whole client area & title area */
infoPtr->rcClient.right=7*infoPtr->textWidth;
if (dwStyle & MCS_WEEKNUMBERS)
infoPtr->rcClient.right+=infoPtr->textWidth;
title->top = rcClient->top + 1;
title->bottom = title->top + 2*textHeight + 4;
title->left = rcClient->left + 1;
title->right = rcClient->right - 1;
infoPtr->rcClient.bottom=title->bottom + 6*textHeight;
/* draw header */
hbr = CreateSolidBrush (infoPtr->titlebk);
FillRect (hdc, title, hbr);
prev->top = next->top = title->top + 6;
prev->bottom = next->bottom = title->top + 2*textHeight - 3;
prev->right = title->left + 28;
prev->left = title->left + 4;
next->left = title->right - 28;
next->right = title->right - 4;
titlemonth->bottom= titleyear->bottom = prev->top + 2*textHeight - 3;
titlemonth->top = titleyear->top = title->top + 6;
titlemonth->left = title->left;
titlemonth->right = title->right;
prssed=FALSE;
DrawFrameControl(hdc, prev, DFC_SCROLL,
DFCS_SCROLLLEFT | (prssed ? DFCS_PUSHED : 0) |
(dwStyle & WS_DISABLED ? DFCS_INACTIVE : 0) );
DrawFrameControl(hdc, next, DFC_SCROLL,
DFCS_SCROLLRIGHT | (prssed ? DFCS_PUSHED : 0) |
(dwStyle & WS_DISABLED ? DFCS_INACTIVE : 0) );
oldBkColor=SetBkColor (hdc,infoPtr->titlebk);
SetTextColor(hdc, infoPtr->titletxt);
SelectObject (hdc, infoPtr->hBoldFont);
thisMonthtxt=monthtxt[infoPtr->currentMonth - 1];
sprintf (buf,"%s %ld",thisMonthtxt,infoPtr->currentYear);
DrawTextA ( hdc, buf, strlen(buf), titlemonth,
DT_CENTER | DT_VCENTER | DT_SINGLELINE );
SelectObject (hdc, infoPtr->hFont);
/* titlemonth left/right contained rect for whole titletxt ('June 1999')
* MCM_HitTestInfo wants month & year rects, so prepare these now.
* (no, we can't draw them separately; the whole text is centered)
*/
GetTextExtentPoint32A (hdc, buf,lstrlenA (buf), &size);
titlemonth->left = title->right/2 - size.cx/2;
titleyear->right = title->right/2 + size.cx/2;
GetTextExtentPoint32A (hdc, thisMonthtxt,lstrlenA (thisMonthtxt), &size);
titlemonth->right= titlemonth->left+size.cx;
titleyear->right = titlemonth->right;
/* draw line under day abbreviatons */
MoveToEx (hdc, rcClient->left+3, title->bottom + textHeight + 2, NULL);
LineTo (hdc, rcClient->right-3, title->bottom + textHeight + 2);
/* draw day abbreviations */
SetBkColor (hdc, infoPtr->monthbk);
SetTextColor(hdc, infoPtr->trailingtxt);
days->left = rcClient->left;
if (dwStyle & MCS_WEEKNUMBERS) days->left+=textWidth;
days->right = days->left + textWidth;
days->top = title->bottom + 2;
days->bottom = title->bottom + textHeight + 2;
i=infoPtr->firstDay;
for (j=0; j<7; j++) {
DrawTextA ( hdc, daytxt[i], strlen(daytxt[i]), days,
DT_CENTER | DT_VCENTER | DT_SINGLELINE );
i++;
if (i>7) i-=7;
days->left+=textWidth;
days->right+=textWidth;
}
days->left = rcClient->left + j;
if (dwStyle & MCS_WEEKNUMBERS) days->left+=textWidth;
days->right = rcClient->left + (j+1)*textWidth-2;
/* draw day numbers; first, the previous month */
prevmonth->left=0;
if (dwStyle & MCS_WEEKNUMBERS) prevmonth->left=textWidth;
firstDay=MONTHCAL_CalculateDayOfWeek (1,infoPtr->currentMonth,infoPtr->currentYear);
prevMonth=infoPtr->currentMonth-1;
if (prevMonth==0) prevMonth=11;
day=mdays[prevMonth]-firstDay;
mask=1<<(day-1);
i=0;
m=0;
while (day<=mdays[prevMonth]) {
MONTHCAL_DrawDay (hdc, infoPtr, day, prevMonth, i, 0,
infoPtr->monthdayState[m] & mask);
mask<<=1;
day++;
i++;
}
prevmonth->right = prevmonth->left+i*textWidth;
prevmonth->top = days->bottom;
prevmonth->bottom= prevmonth->top + textHeight;
/* draw `current' month */
day=1;
infoPtr->firstDayplace=i;
SetTextColor(hdc, infoPtr->txt);
m++;
mask=1;
while (i<7) {
MONTHCAL_DrawDay (hdc, infoPtr, day, infoPtr->currentMonth, i, 0,
infoPtr->monthdayState[m] & mask);
if ((infoPtr->currentMonth==infoPtr->todaysDate.wMonth) &&
(day==infoPtr->todaysDate.wDay))
MONTHCAL_CircleDay (hdc, infoPtr, i,j);
mask<<=1;
day++;
i++;
}
j=1;
i=0;
while (day<=mdays[infoPtr->currentMonth]) {
MONTHCAL_DrawDay (hdc, infoPtr, day, infoPtr->currentMonth, i, j,
infoPtr->monthdayState[m] & mask);
if ((infoPtr->currentMonth==infoPtr->todaysDate.wMonth) &&
(day==infoPtr->todaysDate.wDay))
MONTHCAL_CircleDay (hdc, infoPtr, i,j);
mask<<=1;
day++;
i++;
if (i>6) {
i=0;
j++;
}
}
/* draw `next' month */
/* note: the nextmonth rect only hints for the `half-week' that needs to be
* drawn to complete the current week. An eventual next week that needs to
* be drawn to complete the month calendar is not taken into account in
* this rect -- HitTest knows about this.*/
nextmonth->left = prevmonth->left+i*textWidth;
nextmonth->right = rcClient->right;
nextmonth->top = days->bottom+(j+1)*textHeight;
nextmonth->bottom = nextmonth->top + textHeight;
day=1;
m++;
mask=1;
SetTextColor(hdc, infoPtr->trailingtxt);
while ((i<7) && (j<6)) {
MONTHCAL_DrawDay (hdc, infoPtr, day, infoPtr->currentMonth+1, i, j,
infoPtr->monthdayState[m] & mask);
mask<<=1;
day++;
i++;
if (i==7) {
i=0;
j++;
}
}
SetTextColor(hdc, infoPtr->txt);
/* draw `today' date if style allows it, and draw a circle before today's
* date if necessairy */
if (!( dwStyle & MCS_NOTODAY)) {
int offset=0;
if (!( dwStyle & MCS_NOTODAYCIRCLE)) {
MONTHCAL_CircleDay (hdc, infoPtr, 0, 6);
offset+=textWidth;
}
MONTHCAL_CalcDayRect (infoPtr, rtoday, offset==textWidth, 6);
sprintf (buf,"Today: %d/%d/%d",infoPtr->todaysDate.wMonth,
infoPtr->todaysDate.wDay, infoPtr->todaysDate.wYear-1900);
rtoday->right = rcClient->right;
SelectObject (hdc, infoPtr->hBoldFont);
DrawTextA ( hdc, buf, lstrlenA(buf), rtoday,
DT_LEFT | DT_VCENTER | DT_SINGLELINE );
SelectObject (hdc, infoPtr->hFont);
}
if (dwStyle & MCS_WEEKNUMBERS) {
/* display weeknumbers*/
weeknums->left = 0;
weeknums->right = textWidth;
weeknums->top = days->bottom;
weeknums->bottom = days->bottom + textHeight;
weeknum=0;
for (i=0; i<infoPtr->currentMonth; i++)
weeknum+=mdays[i];
weeknum/=7;
for (i=0; i<6; i++) {
sprintf (buf,"%d",weeknum);
DrawTextA ( hdc, buf, lstrlenA(buf), weeknums,
DT_CENTER | DT_BOTTOM | DT_SINGLELINE );
weeknums->bottom+=textHeight;
}
MoveToEx (hdc, weeknums->right+3, weeknums->top, NULL);
LineTo (hdc, weeknums->right-3, weeknums->bottom);
}
/* currentFont was font at entering Refresh */
SetBkColor (hdc, oldBkColor);
SelectObject (hdc, currentFont);
SetTextColor (hdc, oldTextColor);
}
static LRESULT
MONTHCAL_GetMinReqRect (HWND hwnd, WPARAM wParam, LPARAM lParam)
{
MONTHCAL_INFO *infoPtr=MONTHCAL_GetInfoPtr(hwnd);
LPRECT lpRect=(LPRECT) lParam;
TRACE ("%x %lx\n",wParam,lParam);
/* validate parameters */
if ( (infoPtr==NULL) || (lpRect == NULL) ) return FALSE;
lpRect->left=infoPtr->rcClient.left;
lpRect->right=infoPtr->rcClient.right;
lpRect->top=infoPtr->rcClient.top;
lpRect->bottom=infoPtr->rcClient.bottom;
return TRUE;
}
static LRESULT
MONTHCAL_GetColor (HWND hwnd, WPARAM wParam, LPARAM lParam)
{
MONTHCAL_INFO *infoPtr=MONTHCAL_GetInfoPtr(hwnd);
TRACE ("%x %lx\n",wParam,lParam);
switch ((int)wParam) {
case MCSC_BACKGROUND:
return infoPtr->bk;
case MCSC_TEXT:
return infoPtr->txt;
case MCSC_TITLEBK:
return infoPtr->titlebk;
case MCSC_TITLETEXT:
return infoPtr->titletxt;
case MCSC_MONTHBK:
return infoPtr->monthbk;
case MCSC_TRAILINGTEXT:
return infoPtr->trailingtxt;
}
return -1;
}
static LRESULT
MONTHCAL_SetColor (HWND hwnd, WPARAM wParam, LPARAM lParam)
{
MONTHCAL_INFO *infoPtr=MONTHCAL_GetInfoPtr(hwnd);
int prev=-1;
TRACE ("%x %lx\n",wParam,lParam);
switch ((int)wParam) {
case MCSC_BACKGROUND:
prev=infoPtr->bk;
infoPtr->bk=(COLORREF) lParam;
break;
case MCSC_TEXT:
prev=infoPtr->txt;
infoPtr->txt=(COLORREF) lParam;
break;
case MCSC_TITLEBK:
prev=infoPtr->titlebk;
infoPtr->titlebk=(COLORREF) lParam;
break;
case MCSC_TITLETEXT:
prev=infoPtr->titletxt;
infoPtr->titletxt=(COLORREF) lParam;
break;
case MCSC_MONTHBK:
prev=infoPtr->monthbk;
infoPtr->monthbk=(COLORREF) lParam;
break;
case MCSC_TRAILINGTEXT:
prev=infoPtr->trailingtxt;
infoPtr->trailingtxt=(COLORREF) lParam;
break;
}
return prev;
}
static LRESULT
MONTHCAL_GetMonthDelta (HWND hwnd, WPARAM wParam, LPARAM lParam)
{
MONTHCAL_INFO *infoPtr=MONTHCAL_GetInfoPtr(hwnd);
TRACE ("%x %lx\n",wParam,lParam);
if (infoPtr->delta) return infoPtr->delta;
else return infoPtr->visible;
}
static LRESULT
MONTHCAL_SetMonthDelta (HWND hwnd, WPARAM wParam, LPARAM lParam)
{
MONTHCAL_INFO *infoPtr=MONTHCAL_GetInfoPtr(hwnd);
int prev=infoPtr->delta;
TRACE ("%x %lx\n",wParam,lParam);
infoPtr->delta=(int) wParam;
return prev;
}
static LRESULT
MONTHCAL_GetFirstDayOfWeek (HWND hwnd, WPARAM wParam, LPARAM lParam)
{
MONTHCAL_INFO *infoPtr=MONTHCAL_GetInfoPtr(hwnd);
return infoPtr->firstDay;
}
/* FIXME: we need more error checking here */
static LRESULT
MONTHCAL_SetFirstDayOfWeek (HWND hwnd, WPARAM wParam, LPARAM lParam)
{
MONTHCAL_INFO *infoPtr=MONTHCAL_GetInfoPtr(hwnd);
int prev=infoPtr->firstDay;
char buf[40];
int day;
TRACE ("%x %lx\n",wParam,lParam);
if ((lParam>=0) && (lParam<7)) {
infoPtr->firstDay=(int) lParam;
GetLocaleInfoA(LOCALE_USER_DEFAULT, LOCALE_IFIRSTDAYOFWEEK,
buf, sizeof(buf));
TRACE ("%s %d\n",buf,strlen(buf));
if ((sscanf(buf,"%d",&day)==1) && (infoPtr->firstDay!=day))
infoPtr->firstDay|=HIWORD(TRUE);
}
return prev;
}
/* FIXME: fill this in */
static LRESULT
MONTHCAL_GetMonthRange (HWND hwnd, WPARAM wParam, LPARAM lParam)
{
MONTHCAL_INFO *infoPtr=MONTHCAL_GetInfoPtr(hwnd);
TRACE ("%x %lx\n",wParam,lParam);
return infoPtr->monthRange;
}
static LRESULT
MONTHCAL_GetMaxTodayWidth (HWND hwnd)
{
MONTHCAL_INFO *infoPtr=MONTHCAL_GetInfoPtr(hwnd);
return (infoPtr->today.right-infoPtr->today.left);
}
/* FIXME: are validated times taken from current date/time or simply
* copied?
* FIXME: check whether MCM_GETMONTHRANGE shows correct result after
* adjusting range with MCM_SETRANGE
*/
static LRESULT
MONTHCAL_SetRange (HWND hwnd, WPARAM wParam, LPARAM lParam)
{
MONTHCAL_INFO *infoPtr=MONTHCAL_GetInfoPtr(hwnd);
SYSTEMTIME lprgSysTimeArray[1];
int prev;
TRACE ("%x %lx\n",wParam,lParam);
if (wParam & GDTR_MAX) {
if (MONTHCAL_ValidateTime(lprgSysTimeArray[1])){
MONTHCAL_CopyTime (&lprgSysTimeArray[1],&infoPtr->maxDate);
infoPtr->rangeValid|=GDTR_MAX;
} else {
GetSystemTime (&infoPtr->todaysDate);
MONTHCAL_CopyTime (&infoPtr->todaysDate,&infoPtr->maxDate);
}
}
if (wParam & GDTR_MIN) {
if (MONTHCAL_ValidateTime(lprgSysTimeArray[0])) {
MONTHCAL_CopyTime (&lprgSysTimeArray[0],&infoPtr->maxDate);
infoPtr->rangeValid|=GDTR_MIN;
} else {
GetSystemTime (&infoPtr->todaysDate);
MONTHCAL_CopyTime (&infoPtr->todaysDate,&infoPtr->maxDate);
}
}
prev=infoPtr->monthRange;
infoPtr->monthRange=infoPtr->maxDate.wMonth-infoPtr->minDate.wMonth;
if (infoPtr->monthRange!=prev)
COMCTL32_ReAlloc (infoPtr->monthdayState,
infoPtr->monthRange*sizeof(MONTHDAYSTATE));
return 1;
}
/* CHECKME: At the moment, we copy ranges anyway,regardless of
* infoPtr->rangeValid; a invalid range is simply filled with zeros in
* SetRange. Is this the right behavior?
*/
static LRESULT
MONTHCAL_GetRange (HWND hwnd, WPARAM wParam, LPARAM lParam)
{
MONTHCAL_INFO *infoPtr=MONTHCAL_GetInfoPtr(hwnd);
SYSTEMTIME *lprgSysTimeArray=(SYSTEMTIME *) lParam;
/* validate parameters */
if ( (infoPtr==NULL) || (lprgSysTimeArray==NULL) ) return FALSE;
MONTHCAL_CopyTime (&infoPtr->maxDate,&lprgSysTimeArray[1]);
MONTHCAL_CopyTime (&infoPtr->minDate,&lprgSysTimeArray[0]);
return infoPtr->rangeValid;
}
static LRESULT
MONTHCAL_SetDayState (HWND hwnd, WPARAM wParam, LPARAM lParam)
{
MONTHCAL_INFO *infoPtr=MONTHCAL_GetInfoPtr(hwnd);
int i,iMonths=(int) wParam;
MONTHDAYSTATE *dayStates=(LPMONTHDAYSTATE) lParam;
TRACE ("%x %lx\n",wParam,lParam);
if (iMonths!=infoPtr->monthRange) return 0;
for (i=0; i<iMonths; i++)
infoPtr->monthdayState[i]=dayStates[i];
return 1;
}
static LRESULT
MONTHCAL_GetCurSel (HWND hwnd, WPARAM wParam, LPARAM lParam)
{
MONTHCAL_INFO *infoPtr=MONTHCAL_GetInfoPtr(hwnd);
SYSTEMTIME *lpSel=(SYSTEMTIME *) lParam;
TRACE ("%x %lx\n",wParam,lParam);
if ( (infoPtr==NULL) || (lpSel==NULL) ) return FALSE;
if ( GetWindowLongA( hwnd, GWL_STYLE) & MCS_MULTISELECT) return FALSE;
MONTHCAL_CopyTime (&infoPtr->minSel,lpSel);
return TRUE;
}
/* FIXME: if the specified date is not visible, make it visible */
/* FIXME: redraw? */
static LRESULT
MONTHCAL_SetCurSel (HWND hwnd, WPARAM wParam, LPARAM lParam)
{
MONTHCAL_INFO *infoPtr=MONTHCAL_GetInfoPtr(hwnd);
SYSTEMTIME *lpSel=(SYSTEMTIME *) lParam;
TRACE ("%x %lx\n",wParam,lParam);
if ( (infoPtr==NULL) || (lpSel==NULL) ) return FALSE;
if ( GetWindowLongA( hwnd, GWL_STYLE) & MCS_MULTISELECT) return FALSE;
TRACE ("%d %d\n",lpSel->wMonth,lpSel->wDay);
MONTHCAL_CopyTime (lpSel,&infoPtr->minSel);
MONTHCAL_CopyTime (lpSel,&infoPtr->maxSel);
return TRUE;
}
static LRESULT
MONTHCAL_GetMaxSelCount (HWND hwnd, WPARAM wParam, LPARAM lParam)
{
MONTHCAL_INFO *infoPtr=MONTHCAL_GetInfoPtr(hwnd);
TRACE ("%x %lx\n",wParam,lParam);
return infoPtr->maxSelCount;
}
static LRESULT
MONTHCAL_SetMaxSelCount (HWND hwnd, WPARAM wParam, LPARAM lParam)
{
MONTHCAL_INFO *infoPtr=MONTHCAL_GetInfoPtr(hwnd);
TRACE ("%x %lx\n",wParam,lParam);
if ( GetWindowLongA( hwnd, GWL_STYLE) & MCS_MULTISELECT) {
infoPtr->maxSelCount=wParam;
}
return TRUE;
}
static LRESULT
MONTHCAL_GetSelRange (HWND hwnd, WPARAM wParam, LPARAM lParam)
{
MONTHCAL_INFO *infoPtr=MONTHCAL_GetInfoPtr(hwnd);
SYSTEMTIME *lprgSysTimeArray=(SYSTEMTIME *) lParam;
TRACE ("%x %lx\n",wParam,lParam);
/* validate parameters */
if ( (infoPtr==NULL) || (lprgSysTimeArray==NULL) ) return FALSE;
if ( GetWindowLongA( hwnd, GWL_STYLE) & MCS_MULTISELECT) {
MONTHCAL_CopyTime (&infoPtr->maxSel,&lprgSysTimeArray[1]);
MONTHCAL_CopyTime (&infoPtr->minSel,&lprgSysTimeArray[0]);
TRACE ("[min,max]=[%d %d]\n",infoPtr->minSel.wDay,infoPtr->maxSel.wDay);
return TRUE;
}
return FALSE;
}
static LRESULT
MONTHCAL_SetSelRange (HWND hwnd, WPARAM wParam, LPARAM lParam)
{
MONTHCAL_INFO *infoPtr=MONTHCAL_GetInfoPtr(hwnd);
SYSTEMTIME *lprgSysTimeArray=(SYSTEMTIME *) lParam;
TRACE ("%x %lx\n",wParam,lParam);
/* validate parameters */
if ( (infoPtr==NULL) || (lprgSysTimeArray==NULL) ) return FALSE;
if ( GetWindowLongA( hwnd, GWL_STYLE) & MCS_MULTISELECT) {
infoPtr->selValid=TRUE;
MONTHCAL_CopyTime (&lprgSysTimeArray[1],&infoPtr->maxSel);
MONTHCAL_CopyTime (&lprgSysTimeArray[0],&infoPtr->minSel);
TRACE ("[min,max]=[%d %d]\n",infoPtr->minSel.wDay,infoPtr->maxSel.wDay);
return TRUE;
}
return FALSE;
}
static LRESULT
MONTHCAL_GetToday (HWND hwnd, WPARAM wParam, LPARAM lParam)
{
MONTHCAL_INFO *infoPtr=MONTHCAL_GetInfoPtr(hwnd);
SYSTEMTIME *lpToday=(SYSTEMTIME *) lParam;
TRACE ("%x %lx\n",wParam,lParam);
/* validate parameters */
if ( (infoPtr==NULL) || (lpToday==NULL) ) return FALSE;
MONTHCAL_CopyTime (&infoPtr->todaysDate,lpToday);
return TRUE;
}
static int MONTHCAL_inbox (int x, int y, RECT r)
{
// TRACE ("%d %d [%d %d %d %d]\n",x,y,r.top,r.bottom,r.left,r.right);
if ((y>r.top) && (y<r.bottom) && (x>r.left) && (x<r.right)) return TRUE;
return FALSE;
}
static LRESULT
MONTHCAL_HitTest (HWND hwnd, LPARAM lParam)
{
MONTHCAL_INFO *infoPtr=MONTHCAL_GetInfoPtr(hwnd);
PMCHITTESTINFO lpht=(PMCHITTESTINFO) lParam;
UINT x,y;
DWORD retval;
x=lpht->pt.x;
y=lpht->pt.y;
retval=MCHT_NOWHERE;
/* are we in the header? */
if (MONTHCAL_inbox (x,y,infoPtr->title)) {
if (MONTHCAL_inbox (x,y,infoPtr->titlebtnprev)) {
retval=MCHT_TITLEBTNPREV;
goto done;
}
if (MONTHCAL_inbox (x,y,infoPtr->titlebtnnext)) {
retval=MCHT_TITLEBTNNEXT;
goto done;
}
if (MONTHCAL_inbox (x,y,infoPtr->titlemonth)) {
retval=MCHT_TITLEMONTH;
goto done;
}
if (MONTHCAL_inbox (x,y,infoPtr->titleyear)) {
retval=MCHT_TITLEYEAR;
goto done;
}
retval=MCHT_TITLE;
goto done;
}
if (MONTHCAL_inbox (x,y,infoPtr->days)) {
retval=MCHT_CALENDARDAY; /* FIXME: find out which day we're on */
goto done;
}
if (MONTHCAL_inbox (x,y,infoPtr->weeknums)) {
retval=MCHT_CALENDARWEEKNUM;/* FIXME: find out which day we're on */
goto done;
}
if (MONTHCAL_inbox (x,y,infoPtr->prevmonth)) {
retval=MCHT_CALENDARDATEPREV;
goto done;
}
if (MONTHCAL_inbox (x,y,infoPtr->nextmonth) ||
((x>infoPtr->nextmonth.left) && (x<infoPtr->nextmonth.right) &&
(y>infoPtr->nextmonth.bottom) && (y<infoPtr->today.top))) {
retval=MCHT_CALENDARDATENEXT;
goto done;
}
if (MONTHCAL_inbox (x,y,infoPtr->today)) {
retval=MCHT_TODAYLINK;
goto done;
}
/* MCHT_CALENDARDATE determination: since the next & previous month have
* been handled already (MCHT_CALENDARDATEPREV/NEXT), we only have to check
* whether we're in the calendar area. infoPtr->prevMonth.left handles the
* MCS_WEEKNUMBERS style nicely.
*/
TRACE ("%d %d [%d %d %d %d] [%d %d %d %d]\n",x,y,
infoPtr->prevmonth.left, infoPtr->prevmonth.right,
infoPtr->prevmonth.top, infoPtr->prevmonth.bottom,
infoPtr->nextmonth.left, infoPtr->nextmonth.right,
infoPtr->nextmonth.top, infoPtr->nextmonth.bottom);
if ((x>infoPtr->prevmonth.left) && (x<infoPtr->nextmonth.right) &&
(y>infoPtr->prevmonth.top) && (y<infoPtr->nextmonth.bottom)) {
lpht->st.wYear=infoPtr->currentYear;
lpht->st.wMonth=infoPtr->currentMonth;
lpht->st.wDay=MONTHCAL_CalcDayFromPos (infoPtr,x,y);
TRACE ("day hit: %d\n",lpht->st.wDay);
retval=MCHT_CALENDARDATE;
goto done;
}
/* Hit nothing special? What's left must be background :-) */
retval=MCHT_CALENDARBK;
done:
lpht->uHit=retval;
return retval;
}
static LRESULT
MONTHCAL_LButtonDown (HWND hwnd, WPARAM wParam, LPARAM lParam)
{
MONTHCAL_INFO *infoPtr = MONTHCAL_GetInfoPtr (hwnd);
MCHITTESTINFO ht;
HDC hdc;
DWORD hit;
HMENU hMenu;
HWND retval;
TRACE ("%x %lx\n",wParam,lParam);
ht.pt.x = (INT)LOWORD(lParam);
ht.pt.y = (INT)HIWORD(lParam);
hit=MONTHCAL_HitTest (hwnd, (LPARAM) &ht);
hdc=GetDC (hwnd);
if (hit & MCHT_NEXT){
infoPtr->currentMonth++;
if (infoPtr->currentMonth>12) {
infoPtr->currentYear++;
infoPtr->currentMonth=1;
}
}
if (hit & MCHT_PREV) {
infoPtr->currentMonth--;
if (infoPtr->currentMonth<1) {
infoPtr->currentYear--;
infoPtr->currentMonth=12;
}
}
if (hit == MCHT_TITLEMONTH) {
/*
HRSRC hrsrc = FindResourceA( COMCTL32_hModule, MAKEINTRESOURCEA(IDD_MCMONTHMENU), RT_MENUA );
if (!hrsrc) {
TRACE ("returning zero\n");
return 0;
}
TRACE ("resource is:%x\n",hrsrc);
hMenu=LoadMenuIndirectA( (LPCVOID)LoadResource( COMCTL32_hModule, hrsrc ));
TRACE ("menu is:%x\n",hMenu);
*/
hMenu=CreateMenu ();
AppendMenuA (hMenu,MF_STRING,IDM_JAN,"January");
AppendMenuA (hMenu,MF_STRING,IDM_FEB,"February");
AppendMenuA (hMenu,MF_STRING,IDM_MAR,"March");
retval=CreateWindowA (POPUPMENU_CLASS_ATOM, NULL,
WS_CHILD | WS_VISIBLE,
0,0,100,220,
hwnd, hMenu, GetWindowLongA (hwnd, GWL_HINSTANCE), NULL);
TRACE ("hwnd returned:%x\n",retval);
}
if (hit == MCHT_TITLEYEAR) {
FIXME ("create updown for yearselection\n");
}
if (hit == MCHT_TODAYLINK) {
FIXME ("set currentday\n");
}
if (hit == MCHT_CALENDARDATE) {
SYSTEMTIME selArray[2];
TRACE ("\n");
MONTHCAL_CopyTime (&ht.st, &selArray[0]);
MONTHCAL_CopyTime (&ht.st, &selArray[1]);
MONTHCAL_SetSelRange (hwnd,0,(LPARAM) &selArray);
infoPtr->firstSelDay=ht.st.wDay;
infoPtr->curSelDay=ht.st.wDay;
infoPtr->selValid=MC_SEL_LBUTDOWN;
}
MONTHCAL_Refresh (hwnd,hdc);
ReleaseDC (hwnd,hdc);
return 0;
}
static LRESULT
MONTHCAL_LButtonUp (HWND hwnd, WPARAM wParam, LPARAM lParam)
{
MONTHCAL_INFO *infoPtr = MONTHCAL_GetInfoPtr (hwnd);
infoPtr->selValid=MC_SEL_LBUTUP;
infoPtr->curSelDay=0;
return 0;
}
static LRESULT
MONTHCAL_MouseMove (HWND hwnd, WPARAM wParam, LPARAM lParam)
{
MONTHCAL_INFO *infoPtr = MONTHCAL_GetInfoPtr (hwnd);
MCHITTESTINFO ht;
HDC hdc;
int selday,hit;
RECT r;
if (infoPtr->selValid!=MC_SEL_LBUTDOWN) return 0;
ht.pt.x=LOWORD(lParam);
ht.pt.y=HIWORD(lParam);
hit=MONTHCAL_HitTest (hwnd, (LPARAM) &ht);
/* not on the calendar date numbers? bail out */
TRACE ("hit:%x\n",hit);
if ((hit & MCHT_CALENDARDATE) !=MCHT_CALENDARDATE) return 0;
selday=ht.st.wDay;
infoPtr->curSelDay=selday;
MONTHCAL_CalcPosFromDay (infoPtr,selday,ht.st.wMonth,&r);
if ( GetWindowLongA( hwnd, GWL_STYLE) & MCS_MULTISELECT) {
SYSTEMTIME selArray[2];
int i;
MONTHCAL_GetSelRange (hwnd,0,(LPARAM) &selArray);
i=0;
if (infoPtr->firstSelDay==selArray[0].wDay) i=1;
TRACE ("oldRange:%d %d %d %d\n",infoPtr->firstSelDay,selArray[0].wDay,selArray[1].wDay,i);
if (infoPtr->firstSelDay==selArray[1].wDay) {
/* 1st time we get here: selArray[0]=selArray[1]) */
/* if we're still at the first selected date, return */
if (infoPtr->firstSelDay==selday) goto done;
if (selday<infoPtr->firstSelDay) i=0;
}
if (abs(infoPtr->firstSelDay - selday) >= infoPtr->maxSelCount) {
if (selday>infoPtr->firstSelDay)
selday=infoPtr->firstSelDay+infoPtr->maxSelCount;
else
selday=infoPtr->firstSelDay-infoPtr->maxSelCount;
}
if (selArray[i].wDay!=selday) {
TRACE ("newRange:%d %d %d %d\n",infoPtr->firstSelDay,selArray[0].wDay,selArray[1].wDay,i);
selArray[i].wDay=selday;
if (selArray[0].wDay>selArray[1].wDay) {
DWORD tempday;
tempday=selArray[1].wDay;
selArray[1].wDay=selArray[0].wDay;
selArray[0].wDay=tempday;
}
MONTHCAL_SetSelRange (hwnd,0,(LPARAM) &selArray);
}
}
done:
hdc=GetDC (hwnd);
MONTHCAL_Refresh (hwnd, hdc);
ReleaseDC (hwnd, hdc);
return 0;
}
static LRESULT
MONTHCAL_Paint (HWND hwnd, WPARAM wParam)
{
HDC hdc;
PAINTSTRUCT ps;
hdc = wParam==0 ? BeginPaint (hwnd, &ps) : (HDC)wParam;
MONTHCAL_Refresh (hwnd, hdc);
if(!wParam)
EndPaint (hwnd, &ps);
return 0;
}
static LRESULT
MONTHCAL_KillFocus (HWND hwnd, WPARAM wParam, LPARAM lParam)
{
HDC hdc;
TRACE ("\n");
hdc = GetDC (hwnd);
MONTHCAL_Refresh (hwnd, hdc);
ReleaseDC (hwnd, hdc);
InvalidateRect (hwnd, NULL, TRUE);
return 0;
}
static LRESULT
MONTHCAL_SetFocus (HWND hwnd, WPARAM wParam, LPARAM lParam)
{
HDC hdc;
TRACE ("\n");
hdc = GetDC (hwnd);
MONTHCAL_Refresh (hwnd, hdc);
ReleaseDC (hwnd, hdc);
return 0;
}
/* FIXME: check whether dateMin/dateMax need to be adjusted. */
static LRESULT
MONTHCAL_Create (HWND hwnd, WPARAM wParam, LPARAM lParam)
{
MONTHCAL_INFO *infoPtr;
LOGFONTA logFont;
/* allocate memory for info structure */
infoPtr = (MONTHCAL_INFO *)COMCTL32_Alloc (sizeof(MONTHCAL_INFO));
SetWindowLongA (hwnd, 0, (DWORD)infoPtr);
if (infoPtr == NULL) {
ERR ( "could not allocate info memory!\n");
return 0;
}
if ((MONTHCAL_INFO*) GetWindowLongA( hwnd, 0) != infoPtr) {
ERR ( "pointer assignment error!\n");
return 0;
}
infoPtr->hFont=GetStockObject(DEFAULT_GUI_FONT);
GetObjectA (infoPtr->hFont, sizeof (LOGFONTA), &logFont);
logFont.lfWeight=FW_BOLD;
infoPtr->hBoldFont = CreateFontIndirectA (&logFont);
/* initialize info structure */
/* FIXME: calculate systemtime ->> localtime (substract timezoneinfo) */
GetSystemTime (&infoPtr->todaysDate);
infoPtr->firstDay = 0;
infoPtr->currentMonth = infoPtr->todaysDate.wMonth;
infoPtr->currentYear= infoPtr->todaysDate.wYear;
MONTHCAL_CopyTime (&infoPtr->todaysDate,&infoPtr->minDate);
MONTHCAL_CopyTime (&infoPtr->todaysDate,&infoPtr->maxDate);
infoPtr->maxSelCount=6;
infoPtr->monthRange=3;
infoPtr->monthdayState=COMCTL32_Alloc
(infoPtr->monthRange*sizeof(MONTHDAYSTATE));
infoPtr->titlebk = GetSysColor (COLOR_GRAYTEXT);
infoPtr->titletxt = GetSysColor (COLOR_WINDOW);
infoPtr->monthbk = GetSysColor (COLOR_WINDOW);
infoPtr->trailingtxt = GetSysColor (COLOR_GRAYTEXT);
infoPtr->bk = GetSysColor (COLOR_WINDOW);
infoPtr->txt = GetSysColor (COLOR_WINDOWTEXT);
return 0;
}
static LRESULT
MONTHCAL_Destroy (HWND hwnd, WPARAM wParam, LPARAM lParam)
{
MONTHCAL_INFO *infoPtr = MONTHCAL_GetInfoPtr (hwnd);
/* free month calendar info data */
COMCTL32_Free (infoPtr);
return 0;
}
LRESULT WINAPI
MONTHCAL_WindowProc (HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
{
switch (uMsg)
{
case MCM_GETCURSEL:
return MONTHCAL_GetCurSel (hwnd, wParam, lParam);
case MCM_SETCURSEL:
return MONTHCAL_SetCurSel (hwnd, wParam, lParam);
case MCM_GETMAXSELCOUNT:
return MONTHCAL_GetMaxSelCount (hwnd, wParam, lParam);
case MCM_SETMAXSELCOUNT:
return MONTHCAL_SetMaxSelCount (hwnd, wParam, lParam);
case MCM_GETSELRANGE:
return MONTHCAL_GetSelRange (hwnd, wParam, lParam);
case MCM_SETSELRANGE:
return MONTHCAL_SetSelRange (hwnd, wParam, lParam);
case MCM_GETMONTHRANGE:
return MONTHCAL_GetMonthRange (hwnd, wParam, lParam);
case MCM_SETDAYSTATE:
return MONTHCAL_SetDayState (hwnd, wParam, lParam);
case MCM_GETMINREQRECT:
return MONTHCAL_GetMinReqRect (hwnd, wParam, lParam);
case MCM_GETCOLOR:
return MONTHCAL_GetColor (hwnd, wParam, lParam);
case MCM_SETCOLOR:
return MONTHCAL_SetColor (hwnd, wParam, lParam);
case MCM_GETTODAY:
return MONTHCAL_GetToday (hwnd, wParam, lParam);
case MCM_SETTODAY:
FIXME ( "Unimplemented msg MCM_SETTODAY\n");
return 0;
case MCM_HITTEST:
return MONTHCAL_HitTest (hwnd,lParam);
case MCM_GETFIRSTDAYOFWEEK:
return MONTHCAL_GetFirstDayOfWeek (hwnd, wParam, lParam);
case MCM_SETFIRSTDAYOFWEEK:
return MONTHCAL_SetFirstDayOfWeek (hwnd, wParam, lParam);
case MCM_GETRANGE:
return MONTHCAL_GetRange (hwnd, wParam, lParam);
case MCM_SETRANGE:
return MONTHCAL_SetRange (hwnd, wParam, lParam);
case MCM_GETMONTHDELTA:
return MONTHCAL_GetMonthDelta (hwnd, wParam, lParam);
case MCM_SETMONTHDELTA:
return MONTHCAL_SetMonthDelta (hwnd, wParam, lParam);
case MCM_GETMAXTODAYWIDTH:
return MONTHCAL_GetMaxTodayWidth (hwnd);
case WM_GETDLGCODE:
return DLGC_WANTARROWS | DLGC_WANTCHARS;
case WM_KILLFOCUS:
return MONTHCAL_KillFocus (hwnd, wParam, lParam);
case WM_LBUTTONDOWN:
return MONTHCAL_LButtonDown (hwnd, wParam, lParam);
case WM_MOUSEMOVE:
return MONTHCAL_MouseMove (hwnd, wParam, lParam);
case WM_LBUTTONUP:
return MONTHCAL_LButtonUp (hwnd, wParam, lParam);
case WM_PAINT:
return MONTHCAL_Paint (hwnd, wParam);
case WM_SETFOCUS:
return MONTHCAL_SetFocus (hwnd, wParam, lParam);
case WM_CREATE:
return MONTHCAL_Create (hwnd, wParam, lParam);
case WM_DESTROY:
return MONTHCAL_Destroy (hwnd, wParam, lParam);
default:
if (uMsg >= WM_USER)
ERR ( "unknown msg %04x wp=%08x lp=%08lx\n",
uMsg, wParam, lParam);
return DefWindowProcA (hwnd, uMsg, wParam, lParam);
}
return 0;
}
VOID
MONTHCAL_Register (void)
{
WNDCLASSA wndClass;
if (GlobalFindAtomA (MONTHCAL_CLASSA)) return;
ZeroMemory (&wndClass, sizeof(WNDCLASSA));
wndClass.style = CS_GLOBALCLASS;
wndClass.lpfnWndProc = (WNDPROC)MONTHCAL_WindowProc;
wndClass.cbClsExtra = 0;
wndClass.cbWndExtra = sizeof(MONTHCAL_INFO *);
wndClass.hCursor = LoadCursorA (0, IDC_ARROWA);
wndClass.hbrBackground = (HBRUSH)(COLOR_WINDOW + 1);
wndClass.lpszClassName = MONTHCAL_CLASSA;
RegisterClassA (&wndClass);
}
VOID
MONTHCAL_Unregister (void)
{
if (GlobalFindAtomA (MONTHCAL_CLASSA))
UnregisterClassA (MONTHCAL_CLASSA, (HINSTANCE)NULL);
}
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