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wine/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)
* Copyright 1999 Chris Morgan <cmorgan@wpi.edu> and
* James Abbatiello <abbeyj@wpi.edu>
* Copyright 2000 Uwe Bonnes <bon@elektron.ikp.physik.tu-darmstadt.de>
* Copyright 2009 Nikolay Sivov
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*
* NOTE
*
* This code was audited for completeness against the documented features
* of Comctl32.dll version 6.0 on Oct. 20, 2004, by Dimitrie O. Paun.
*
* Unless otherwise noted, we believe this code to be complete, as per
* the specification mentioned above.
* If you discover missing features, or bugs, please note them below.
*
* TODO:
* -- MCM_[GS]ETUNICODEFORMAT
* -- MONTHCAL_GetMonthRange
* -- handle resources better (doesn't work now);
* -- take care of internationalization.
* -- keyboard handling.
* -- search for FIXME
*/
#include <math.h>
#include <stdarg.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "windef.h"
#include "winbase.h"
#include "wingdi.h"
#include "winuser.h"
#include "winnls.h"
#include "commctrl.h"
#include "comctl32.h"
#include "uxtheme.h"
#include "tmschema.h"
#include "wine/unicode.h"
#include "wine/debug.h"
WINE_DEFAULT_DEBUG_CHANNEL(monthcal);
#define MC_SEL_LBUTUP 1 /* Left button released */
#define MC_SEL_LBUTDOWN 2 /* Left button pressed in calendar */
#define MC_PREVPRESSED 4 /* Prev month button pressed */
#define MC_NEXTPRESSED 8 /* Next month button pressed */
#define MC_PREVNEXTMONTHDELAY 350 /* when continuously pressing `next/prev
month', wait 500 ms before going
to the next/prev month */
#define MC_TODAYUPDATEDELAY 120000 /* time between today check for update (2 min) */
#define MC_PREVNEXTMONTHTIMER 1 /* Timer ID's */
#define MC_TODAYUPDATETIMER 2
#define countof(arr) (sizeof(arr)/sizeof(arr[0]))
/* convert from days to 100 nanoseconds unit - used as FILETIME unit */
#define DAYSTO100NSECS(days) (((ULONGLONG)(days))*24*60*60*10000000)
typedef struct
{
HWND hwndSelf;
DWORD dwStyle; /* cached GWL_STYLE */
COLORREF bk;
COLORREF txt;
COLORREF titlebk;
COLORREF titletxt;
COLORREF monthbk;
COLORREF trailingtxt;
HFONT hFont;
HFONT hBoldFont;
int textHeight;
int textWidth;
int height_increment;
int width_increment;
INT delta; /* scroll rate; # of months that the */
/* control moves when user clicks a scroll button */
int visible; /* # of months visible */
int firstDay; /* Start month calendar with firstDay's day,
stored in SYSTEMTIME format */
BOOL firstDaySet; /* first week day differs from locale defined */
BOOL isUnicode; /* value set with MCM_SETUNICODE format */
int monthRange;
MONTHDAYSTATE *monthdayState;
SYSTEMTIME todaysDate;
BOOL todaySet; /* Today was forced with MCM_SETTODAY */
int status; /* See MC_SEL flags */
SYSTEMTIME firstSel; /* first selected day */
INT maxSelCount;
SYSTEMTIME minSel;
SYSTEMTIME maxSel;
SYSTEMTIME curSel; /* contains currently selected year, month and day */
SYSTEMTIME focusedSel; /* date currently focused with mouse movement */
DWORD rangeValid;
SYSTEMTIME minDate;
SYSTEMTIME maxDate;
RECT title; /* rect for the header above the calendar */
RECT titlebtnnext; /* the `next month' button in the header */
RECT titlebtnprev; /* the `prev month' button in the header */
RECT titlemonth; /* the `month name' txt in the header */
RECT titleyear; /* the `year number' txt in the header */
RECT wdays; /* week days at top */
RECT days; /* calendar area */
RECT weeknums; /* week numbers at left side */
RECT todayrect; /* `today: xx/xx/xx' text rect */
HWND hwndNotify; /* Window to receive the notifications */
HWND hWndYearEdit; /* Window Handle of edit box to handle years */
HWND hWndYearUpDown;/* Window Handle of updown box to handle years */
WNDPROC EditWndProc; /* original Edit window procedure */
} MONTHCAL_INFO, *LPMONTHCAL_INFO;
static const WCHAR themeClass[] = { 'S','c','r','o','l','l','b','a','r',0 };
/* empty SYSTEMTIME const */
static const SYSTEMTIME st_null;
/* valid date limits */
static const SYSTEMTIME max_allowed_date = { .wYear = 9999, .wMonth = 12, .wDay = 31 };
static const SYSTEMTIME min_allowed_date = { .wYear = 1752, .wMonth = 9, .wDay = 14 };
#define MONTHCAL_GetInfoPtr(hwnd) ((MONTHCAL_INFO *)GetWindowLongPtrW(hwnd, 0))
/* helper functions */
/* send a single MCN_SELCHANGE notification */
static inline void MONTHCAL_NotifySelectionChange(const MONTHCAL_INFO *infoPtr)
{
NMSELCHANGE nmsc;
nmsc.nmhdr.hwndFrom = infoPtr->hwndSelf;
nmsc.nmhdr.idFrom = GetWindowLongPtrW(infoPtr->hwndSelf, GWLP_ID);
nmsc.nmhdr.code = MCN_SELCHANGE;
nmsc.stSelStart = infoPtr->minSel;
nmsc.stSelEnd = infoPtr->maxSel;
SendMessageW(infoPtr->hwndNotify, WM_NOTIFY, nmsc.nmhdr.idFrom, (LPARAM)&nmsc);
}
/* send a single MCN_SELECT notification */
static inline void MONTHCAL_NotifySelect(const MONTHCAL_INFO *infoPtr)
{
NMSELCHANGE nmsc;
nmsc.nmhdr.hwndFrom = infoPtr->hwndSelf;
nmsc.nmhdr.idFrom = GetWindowLongPtrW(infoPtr->hwndSelf, GWLP_ID);
nmsc.nmhdr.code = MCN_SELECT;
nmsc.stSelStart = infoPtr->minSel;
nmsc.stSelEnd = infoPtr->maxSel;
SendMessageW(infoPtr->hwndNotify, WM_NOTIFY, nmsc.nmhdr.idFrom, (LPARAM)&nmsc);
}
/* returns the number of days in any given month, checking for leap days */
/* january is 1, december is 12 */
int MONTHCAL_MonthLength(int month, int year)
{
const int mdays[] = {31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31};
/* Wrap around, this eases handling. Getting length only we shouldn't care
about year change here cause January and December have
the same day quantity */
if(month == 0)
month = 12;
else if(month == 13)
month = 1;
/* special case for calendar transition year */
if(month == min_allowed_date.wMonth && year == min_allowed_date.wYear) return 19;
/* if we have a leap year add 1 day to February */
/* a leap year is a year either divisible by 400 */
/* or divisible by 4 and not by 100 */
if(month == 2) { /* February */
return mdays[month - 1] + ((year%400 == 0) ? 1 : ((year%100 != 0) &&
(year%4 == 0)) ? 1 : 0);
}
else {
return mdays[month - 1];
}
}
/* compares timestamps using date part only */
static inline BOOL MONTHCAL_IsDateEqual(const SYSTEMTIME *first, const SYSTEMTIME *second)
{
return (first->wYear == second->wYear) && (first->wMonth == second->wMonth) &&
(first->wDay == second->wDay);
}
/* make sure that date fields are valid */
static BOOL MONTHCAL_ValidateDate(const SYSTEMTIME *time)
{
if(time->wMonth < 1 || time->wMonth > 12 ) return FALSE;
if(time->wDayOfWeek > 6) return FALSE;
if(time->wDay > MONTHCAL_MonthLength(time->wMonth, time->wYear))
return FALSE;
return TRUE;
}
/* Copies timestamp part only.
*
* PARAMETERS
*
* [I] from : source date
* [O] to : dest date
*/
static void MONTHCAL_CopyTime(const SYSTEMTIME *from, SYSTEMTIME *to)
{
to->wHour = from->wHour;
to->wMinute = from->wMinute;
to->wSecond = from->wSecond;
}
/* Copies date part only.
*
* PARAMETERS
*
* [I] from : source date
* [O] to : dest date
*/
static void MONTHCAL_CopyDate(const SYSTEMTIME *from, SYSTEMTIME *to)
{
to->wYear = from->wYear;
to->wMonth = from->wMonth;
to->wDay = from->wDay;
to->wDayOfWeek = from->wDayOfWeek;
}
/* Compares two dates in SYSTEMTIME format
*
* PARAMETERS
*
* [I] first : pointer to valid first date data to compare
* [I] second : pointer to valid second date data to compare
*
* RETURN VALUE
*
* -1 : first < second
* 0 : first == second
* 1 : first > second
*
* Note that no date validation performed, alreadt validated values expected.
*/
static LONG MONTHCAL_CompareSystemTime(const SYSTEMTIME *first, const SYSTEMTIME *second)
{
FILETIME ft_first, ft_second;
SystemTimeToFileTime(first, &ft_first);
SystemTimeToFileTime(second, &ft_second);
return CompareFileTime(&ft_first, &ft_second);
}
static LONG MONTHCAL_CompareMonths(const SYSTEMTIME *first, const SYSTEMTIME *second)
{
SYSTEMTIME st_first, st_second;
st_first = st_second = st_null;
MONTHCAL_CopyDate(first, &st_first);
MONTHCAL_CopyDate(second, &st_second);
st_first.wDay = st_second.wDay = 1;
return MONTHCAL_CompareSystemTime(&st_first, &st_second);
}
static LONG MONTHCAL_CompareDate(const SYSTEMTIME *first, const SYSTEMTIME *second)
{
SYSTEMTIME st_first, st_second;
st_first = st_second = st_null;
MONTHCAL_CopyDate(first, &st_first);
MONTHCAL_CopyDate(second, &st_second);
return MONTHCAL_CompareSystemTime(&st_first, &st_second);
}
/* Checks largest possible date range and configured one
*
* PARAMETERS
*
* [I] infoPtr : valid pointer to control data
* [I] date : pointer to valid date data to check
* [I] fix : make date fit valid range
*
* RETURN VALUE
*
* TRUE - date whithin largest and configured range
* FALSE - date is outside largest or configured range
*/
static BOOL MONTHCAL_IsDateInValidRange(const MONTHCAL_INFO *infoPtr,
SYSTEMTIME *date, BOOL fix)
{
const SYSTEMTIME *fix_st = NULL;
if(MONTHCAL_CompareSystemTime(date, &max_allowed_date) == 1) {
fix_st = &max_allowed_date;
}
else if(MONTHCAL_CompareSystemTime(date, &min_allowed_date) == -1) {
fix_st = &min_allowed_date;
}
else if(infoPtr->rangeValid & GDTR_MAX) {
if((MONTHCAL_CompareSystemTime(date, &infoPtr->maxDate) == 1)) {
fix_st = &infoPtr->maxDate;
}
}
else if(infoPtr->rangeValid & GDTR_MIN) {
if((MONTHCAL_CompareSystemTime(date, &infoPtr->minDate) == -1)) {
fix_st = &infoPtr->minDate;
}
}
if (fix && fix_st) {
date->wYear = fix_st->wYear;
date->wMonth = fix_st->wMonth;
}
return fix_st ? FALSE : TRUE;
}
/* Checks passed range width with configured maximum selection count
*
* PARAMETERS
*
* [I] infoPtr : valid pointer to control data
* [I] range0 : pointer to valid date data (requested bound)
* [I] range1 : pointer to valid date data (primary bound)
* [O] adjust : returns adjusted range bound to fit maximum range (optional)
*
* Adjust value computed basing on primary bound and current maximum selection
* count. For simple range check (without adjusted value required) (range0, range1)
* relation means nothing.
*
* RETURN VALUE
*
* TRUE - range is shorter or equal to maximum
* FALSE - range is larger than maximum
*/
static BOOL MONTHCAL_IsSelRangeValid(const MONTHCAL_INFO *infoPtr,
const SYSTEMTIME *range0,
const SYSTEMTIME *range1,
SYSTEMTIME *adjust)
{
ULARGE_INTEGER ul_range0, ul_range1, ul_diff;
FILETIME ft_range0, ft_range1;
LONG cmp;
SystemTimeToFileTime(range0, &ft_range0);
SystemTimeToFileTime(range1, &ft_range1);
ul_range0.u.LowPart = ft_range0.dwLowDateTime;
ul_range0.u.HighPart = ft_range0.dwHighDateTime;
ul_range1.u.LowPart = ft_range1.dwLowDateTime;
ul_range1.u.HighPart = ft_range1.dwHighDateTime;
cmp = CompareFileTime(&ft_range0, &ft_range1);
if(cmp == 1)
ul_diff.QuadPart = ul_range0.QuadPart - ul_range1.QuadPart;
else
ul_diff.QuadPart = -ul_range0.QuadPart + ul_range1.QuadPart;
if(ul_diff.QuadPart >= DAYSTO100NSECS(infoPtr->maxSelCount)) {
if(adjust) {
if(cmp == 1)
ul_range0.QuadPart = ul_range1.QuadPart + DAYSTO100NSECS(infoPtr->maxSelCount - 1);
else
ul_range0.QuadPart = ul_range1.QuadPart - DAYSTO100NSECS(infoPtr->maxSelCount - 1);
ft_range0.dwLowDateTime = ul_range0.u.LowPart;
ft_range0.dwHighDateTime = ul_range0.u.HighPart;
FileTimeToSystemTime(&ft_range0, adjust);
}
return FALSE;
}
else return TRUE;
}
/* Used in MCM_SETRANGE/MCM_SETSELRANGE to determine resulting time part.
Milliseconds are intentionally not validated. */
static BOOL MONTHCAL_ValidateTime(const SYSTEMTIME *time)
{
if((time->wHour > 24) || (time->wMinute > 59) || (time->wSecond > 59))
return FALSE;
else
return TRUE;
}
/* 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; 1 <= d <= 31, 1 <= m <= 12.
0 = Sunday.
*/
/* Returns the day in the week
*
* PARAMETERS
* [i] date : input date
* [I] inplace : set calculated value back to date structure
*
* RETURN VALUE
* day of week in SYSTEMTIME format: (0 == sunday,..., 6 == saturday)
*/
int MONTHCAL_CalculateDayOfWeek(SYSTEMTIME *date, BOOL inplace)
{
SYSTEMTIME st = st_null;
FILETIME ft;
MONTHCAL_CopyDate(date, &st);
SystemTimeToFileTime(&st, &ft);
FileTimeToSystemTime(&ft, &st);
if (inplace) date->wDayOfWeek = st.wDayOfWeek;
return st.wDayOfWeek;
}
/* properly updates date to point on next month */
static inline void MONTHCAL_GetNextMonth(SYSTEMTIME *date)
{
if(++date->wMonth > 12)
{
date->wMonth = 1;
date->wYear++;
}
MONTHCAL_CalculateDayOfWeek(date, TRUE);
}
/* properly updates date to point on prev month */
static inline void MONTHCAL_GetPrevMonth(SYSTEMTIME *date)
{
if(--date->wMonth < 1)
{
date->wMonth = 12;
date->wYear--;
}
MONTHCAL_CalculateDayOfWeek(date, TRUE);
}
/* Returns full date for a first currently visible day */
static void MONTHCAL_GetMinDate(const MONTHCAL_INFO *infoPtr, SYSTEMTIME *date)
{
SYSTEMTIME st_first = infoPtr->curSel;
int firstDay;
st_first.wDay = 1;
firstDay = MONTHCAL_CalculateDayOfWeek(&st_first, FALSE);
*date = infoPtr->curSel;
MONTHCAL_GetPrevMonth(date);
date->wDay = MONTHCAL_MonthLength(date->wMonth, date->wYear) +
(infoPtr->firstDay - firstDay) % 7 + 1;
if(date->wDay > MONTHCAL_MonthLength(date->wMonth, date->wYear))
date->wDay -= 7;
/* fix day of week */
MONTHCAL_CalculateDayOfWeek(date, TRUE);
}
/* Returns full date for a last currently visible day */
static void MONTHCAL_GetMaxDate(const MONTHCAL_INFO *infoPtr, SYSTEMTIME *date)
{
SYSTEMTIME st;
*date = infoPtr->curSel;
MONTHCAL_GetNextMonth(date);
MONTHCAL_GetMinDate(infoPtr, &st);
/* Use month length to get max day. 42 means max day count in calendar area */
date->wDay = 42 - (MONTHCAL_MonthLength(st.wMonth, st.wYear) - st.wDay + 1) -
MONTHCAL_MonthLength(infoPtr->curSel.wMonth, infoPtr->curSel.wYear);
/* fix day of week */
MONTHCAL_CalculateDayOfWeek(date, TRUE);
}
/* From a given point, calculate the row (weekpos), column(daypos)
and day in the calendar. day== 0 mean the last day of tha last month
*/
static int MONTHCAL_CalcDayFromPos(const MONTHCAL_INFO *infoPtr, int x, int y,
int *daypos,int *weekpos)
{
int retval, firstDay;
RECT rcClient;
SYSTEMTIME st = infoPtr->curSel;
GetClientRect(infoPtr->hwndSelf, &rcClient);
/* if the point is outside the x bounds of the window put
it at the boundary */
if (x > rcClient.right)
x = rcClient.right;
*daypos = (x - infoPtr->days.left ) / infoPtr->width_increment;
*weekpos = (y - infoPtr->days.top ) / infoPtr->height_increment;
st.wDay = 1;
firstDay = (MONTHCAL_CalculateDayOfWeek(&st, FALSE) + 6 - infoPtr->firstDay) % 7;
retval = *daypos + (7 * *weekpos) - firstDay;
return retval;
}
/* Sets the RECT struct r to the rectangle around the date
*
* PARAMETERS
*
* [I] infoPtr : pointer to control data
* [I] date : date value
* [O] x : day column (zero based)
* [O] y : week column (zero based)
*/
static void MONTHCAL_CalcDayXY(const MONTHCAL_INFO *infoPtr,
const SYSTEMTIME *date, int *x, int *y)
{
SYSTEMTIME st = infoPtr->curSel;
LONG cmp;
int first;
st.wDay = 1;
first = (MONTHCAL_CalculateDayOfWeek(&st, FALSE) + 6 - infoPtr->firstDay) % 7;
cmp = MONTHCAL_CompareMonths(date, &infoPtr->curSel);
/* previous month */
if(cmp == -1) {
*x = (first - MONTHCAL_MonthLength(date->wMonth, infoPtr->curSel.wYear) + date->wDay) % 7;
*y = 0;
return;
}
/* next month calculation is same as for current,
just add current month length */
if(cmp == 1) {
first += MONTHCAL_MonthLength(infoPtr->curSel.wMonth, infoPtr->curSel.wYear);
}
*x = (date->wDay + first) % 7;
*y = (date->wDay + first - *x) / 7;
}
/* x: column(day), y: row(week) */
static inline void MONTHCAL_CalcDayRect(const MONTHCAL_INFO *infoPtr, RECT *r, int x, int y)
{
r->left = infoPtr->days.left + x * infoPtr->width_increment;
r->right = r->left + infoPtr->width_increment;
r->top = infoPtr->days.top + y * infoPtr->height_increment;
r->bottom = r->top + infoPtr->textHeight;
}
/* Sets the RECT struct r to the rectangle around the date */
static inline void MONTHCAL_CalcPosFromDay(const MONTHCAL_INFO *infoPtr,
const SYSTEMTIME *date, RECT *r)
{
int x, y;
MONTHCAL_CalcDayXY(infoPtr, date, &x, &y);
MONTHCAL_CalcDayRect(infoPtr, r, x, y);
}
/* Focused day helper:
- set focused date to given value;
- reset to zero value if NULL passed;
- invalidate previous and new day rectangle only if needed.
Returns TRUE if focused day changed, FALSE otherwise.
*/
static BOOL MONTHCAL_SetDayFocus(MONTHCAL_INFO *infoPtr, const SYSTEMTIME *st)
{
RECT r;
if(st)
{
/* there's nothing to do if it's the same date,
mouse move within same date rectangle case */
if(MONTHCAL_IsDateEqual(&infoPtr->focusedSel, st)) return FALSE;
/* invalidate old focused day */
MONTHCAL_CalcPosFromDay(infoPtr, &infoPtr->focusedSel, &r);
InvalidateRect(infoPtr->hwndSelf, &r, FALSE);
infoPtr->focusedSel = *st;
}
MONTHCAL_CalcPosFromDay(infoPtr, &infoPtr->focusedSel, &r);
if(!st && MONTHCAL_ValidateDate(&infoPtr->focusedSel))
infoPtr->focusedSel = st_null;
/* on set invalidates new day, on reset clears previous focused day */
InvalidateRect(infoPtr->hwndSelf, &r, FALSE);
return TRUE;
}
/* Draw today day mark rectangle
*
* [I] hdc : context to draw in
* [I] day : day to mark with rectangle
*
*/
static void MONTHCAL_CircleDay(const MONTHCAL_INFO *infoPtr, HDC hdc,
const SYSTEMTIME *date)
{
HPEN hRedPen = CreatePen(PS_SOLID, 1, RGB(255, 0, 0));
HPEN hOldPen2 = SelectObject(hdc, hRedPen);
HBRUSH hOldBrush;
RECT day_rect;
MONTHCAL_CalcPosFromDay(infoPtr, date, &day_rect);
hOldBrush = SelectObject(hdc, GetStockObject(NULL_BRUSH));
Rectangle(hdc, day_rect.left, day_rect.top, day_rect.right, day_rect.bottom);
SelectObject(hdc, hOldBrush);
DeleteObject(hRedPen);
SelectObject(hdc, hOldPen2);
}
static void MONTHCAL_DrawDay(const MONTHCAL_INFO *infoPtr, HDC hdc, const SYSTEMTIME *st,
int bold, const PAINTSTRUCT *ps)
{
static const WCHAR fmtW[] = { '%','d',0 };
WCHAR buf[10];
RECT r, r_temp;
static BOOL bold_selected;
BOOL selected_day = FALSE;
HBRUSH hbr;
COLORREF oldCol = 0;
COLORREF oldBk = 0;
/* No need to check styles: when selection is not valid, it is set to zero.
* 1<day<31, so everything is OK.
*/
MONTHCAL_CalcPosFromDay(infoPtr, st, &r);
if(!IntersectRect(&r_temp, &(ps->rcPaint), &r)) return;
if ((MONTHCAL_CompareDate(st, &infoPtr->minSel) >= 0) &&
(MONTHCAL_CompareDate(st, &infoPtr->maxSel) <= 0)) {
TRACE("%d %d %d\n", st->wDay, infoPtr->minSel.wDay, infoPtr->maxSel.wDay);
TRACE("%s\n", wine_dbgstr_rect(&r));
oldCol = SetTextColor(hdc, infoPtr->monthbk);
oldBk = SetBkColor(hdc, infoPtr->trailingtxt);
hbr = GetSysColorBrush(COLOR_HIGHLIGHT);
FillRect(hdc, &r, hbr);
selected_day = TRUE;
}
if(bold && !bold_selected) {
SelectObject(hdc, infoPtr->hBoldFont);
bold_selected = TRUE;
}
if(!bold && bold_selected) {
SelectObject(hdc, infoPtr->hFont);
bold_selected = FALSE;
}
SetBkMode(hdc,TRANSPARENT);
wsprintfW(buf, fmtW, st->wDay);
DrawTextW(hdc, buf, -1, &r, DT_CENTER | DT_VCENTER | DT_SINGLELINE );
if(selected_day) {
SetTextColor(hdc, oldCol);
SetBkColor(hdc, oldBk);
}
}
static void MONTHCAL_PaintButton(MONTHCAL_INFO *infoPtr, HDC hdc, BOOL btnNext)
{
HTHEME theme = GetWindowTheme (infoPtr->hwndSelf);
RECT *r = btnNext ? &infoPtr->titlebtnnext : &infoPtr->titlebtnprev;
BOOL pressed = btnNext ? (infoPtr->status & MC_NEXTPRESSED) :
(infoPtr->status & MC_PREVPRESSED);
if (theme)
{
static const int states[] = {
/* Prev button */
ABS_LEFTNORMAL, ABS_LEFTPRESSED, ABS_LEFTDISABLED,
/* Next button */
ABS_RIGHTNORMAL, ABS_RIGHTPRESSED, ABS_RIGHTDISABLED
};
int stateNum = btnNext ? 3 : 0;
if (pressed)
stateNum += 1;
else
{
if (infoPtr->dwStyle & WS_DISABLED) stateNum += 2;
}
DrawThemeBackground (theme, hdc, SBP_ARROWBTN, states[stateNum], r, NULL);
}
else
{
int style = btnNext ? DFCS_SCROLLRIGHT : DFCS_SCROLLLEFT;
if (pressed)
style |= DFCS_PUSHED;
else
{
if (infoPtr->dwStyle & WS_DISABLED) style |= DFCS_INACTIVE;
}
DrawFrameControl(hdc, r, DFC_SCROLL, style);
}
}
/* paint a title with buttons and month/year string */
static void MONTHCAL_PaintTitle(MONTHCAL_INFO *infoPtr, HDC hdc, const PAINTSTRUCT *ps)
{
static const WCHAR fmt_monthW[] = { '%','s',' ','%','l','d',0 };
WCHAR buf_month[80], buf_fmt[80];
HBRUSH hbr;
RECT *title = &infoPtr->title;
SIZE sz;
/* fill header box */
hbr = CreateSolidBrush(infoPtr->titlebk);
FillRect(hdc, title, hbr);
DeleteObject(hbr);
/* navigation buttons */
MONTHCAL_PaintButton(infoPtr, hdc, FALSE);
MONTHCAL_PaintButton(infoPtr, hdc, TRUE);
/* month/year string */
SetBkColor(hdc, infoPtr->titlebk);
SetTextColor(hdc, infoPtr->titletxt);
SelectObject(hdc, infoPtr->hBoldFont);
GetLocaleInfoW(LOCALE_USER_DEFAULT, LOCALE_SMONTHNAME1+infoPtr->curSel.wMonth-1,
buf_month, countof(buf_month));
wsprintfW(buf_fmt, fmt_monthW, buf_month, infoPtr->curSel.wYear);
DrawTextW(hdc, buf_fmt, strlenW(buf_fmt), title,
DT_CENTER | DT_VCENTER | DT_SINGLELINE);
/* update title rectangles with current month - used while testing hits */
GetTextExtentPoint32W(hdc, buf_fmt, strlenW(buf_fmt), &sz);
infoPtr->titlemonth.left = title->right / 2 + title->left / 2 - sz.cx / 2;
infoPtr->titleyear.right = title->right / 2 + title->left / 2 + sz.cx / 2;
GetTextExtentPoint32W(hdc, buf_month, strlenW(buf_month), &sz);
infoPtr->titlemonth.right = infoPtr->titlemonth.left + sz.cx;
infoPtr->titleyear.left = infoPtr->titlemonth.right;
}
static void MONTHCAL_PaintWeeknumbers(MONTHCAL_INFO *infoPtr, HDC hdc, const PAINTSTRUCT *ps)
{
static const WCHAR fmt_weekW[] = { '%','d',0 };
INT mindays, weeknum, weeknum1, startofprescal;
SYSTEMTIME st = infoPtr->curSel;
RECT r;
WCHAR buf[80];
INT i, prev_month;
if (!(infoPtr->dwStyle & MCS_WEEKNUMBERS)) return;
MONTHCAL_GetMinDate(infoPtr, &st);
startofprescal = st.wDay;
st = infoPtr->curSel;
prev_month = infoPtr->curSel.wMonth - 1;
if(prev_month == 0) prev_month = 12;
/*
Rules what week to call the first week of a new year:
LOCALE_IFIRSTWEEKOFYEAR == 0 (e.g US?):
The week containing Jan 1 is the first week of year
LOCALE_IFIRSTWEEKOFYEAR == 2 (e.g. Germany):
First week of year must contain 4 days of the new year
LOCALE_IFIRSTWEEKOFYEAR == 1 (what contries?)
The first week of the year must contain only days of the new year
*/
GetLocaleInfoW(LOCALE_USER_DEFAULT, LOCALE_IFIRSTWEEKOFYEAR, buf, countof(buf));
weeknum = atoiW(buf);
switch (weeknum)
{
case 1: mindays = 6;
break;
case 2: mindays = 3;
break;
case 0: mindays = 0;
break;
default:
WARN("Unknown LOCALE_IFIRSTWEEKOFYEAR value %d, defaulting to 0\n", weeknum);
mindays = 0;
}
if (infoPtr->curSel.wMonth == 1)
{
/* calculate all those exceptions for january */
st.wDay = st.wMonth = 1;
weeknum1 = MONTHCAL_CalculateDayOfWeek(&st, FALSE);
if ((infoPtr->firstDay - weeknum1) % 7 > mindays)
weeknum = 1;
else
{
weeknum = 0;
for(i = 0; i < 11; i++)
weeknum += MONTHCAL_MonthLength(i+1, infoPtr->curSel.wYear - 1);
weeknum += startofprescal + 7;
weeknum /= 7;
st.wYear -= 1;
weeknum1 = MONTHCAL_CalculateDayOfWeek(&st, FALSE);
if ((infoPtr->firstDay - weeknum1) % 7 > mindays) weeknum++;
}
}
else
{
weeknum = 0;
for(i = 0; i < prev_month - 1; i++)
weeknum += MONTHCAL_MonthLength(i+1, infoPtr->curSel.wYear);
weeknum += startofprescal + 7;
weeknum /= 7;
st.wDay = st.wMonth = 1;
weeknum1 = MONTHCAL_CalculateDayOfWeek(&st, FALSE);
if ((infoPtr->firstDay - weeknum1) % 7 > mindays) weeknum++;
}
r = infoPtr->weeknums;
r.bottom = r.top + infoPtr->height_increment;
for(i = 0; i < 6; i++) {
if((i == 0) && (weeknum > 50))
{
wsprintfW(buf, fmt_weekW, weeknum);
weeknum = 0;
}
else if((i == 5) && (weeknum > 47))
{
wsprintfW(buf, fmt_weekW, 1);
}
else
wsprintfW(buf, fmt_weekW, weeknum + i);
DrawTextW(hdc, buf, -1, &r, DT_CENTER | DT_VCENTER | DT_SINGLELINE);
OffsetRect(&r, 0, infoPtr->height_increment);
}
/* line separator for week numbers column */
MoveToEx(hdc, infoPtr->weeknums.right, infoPtr->weeknums.top + 3 , NULL);
LineTo(hdc, infoPtr->weeknums.right, infoPtr->weeknums.bottom);
}
/* paint a calendar area */
static void MONTHCAL_PaintCalendar(MONTHCAL_INFO *infoPtr, HDC hdc, const PAINTSTRUCT *ps)
{
INT prev_month, i, j;
WCHAR buf[80];
HBRUSH hbr;
RECT r;
int mask;
SYSTEMTIME st;
UnionRect(&r, &infoPtr->wdays, &infoPtr->todayrect);
hbr = CreateSolidBrush(infoPtr->monthbk);
FillRect(hdc, &r, hbr);
DeleteObject(hbr);
/* draw line under day abbreviations */
MoveToEx(hdc, infoPtr->days.left + 3,
infoPtr->title.bottom + infoPtr->textHeight + 1, NULL);
LineTo(hdc, infoPtr->days.right - 3,
infoPtr->title.bottom + infoPtr->textHeight + 1);
prev_month = infoPtr->curSel.wMonth - 1;
if(prev_month == 0) prev_month = 12;
infoPtr->wdays.left = infoPtr->days.left = infoPtr->weeknums.right;
/* 1. draw day abbreviations */
SelectObject(hdc, infoPtr->hFont);
SetBkColor(hdc, infoPtr->monthbk);
SetTextColor(hdc, infoPtr->trailingtxt);
/* rectangle to draw a single day abbreviation within */
r = infoPtr->wdays;
r.right = r.left + infoPtr->width_increment;
i = infoPtr->firstDay;
for(j = 0; j < 7; j++) {
GetLocaleInfoW(LOCALE_USER_DEFAULT, LOCALE_SABBREVDAYNAME1 + (i+j+6)%7, buf, countof(buf));
DrawTextW(hdc, buf, strlenW(buf), &r, DT_CENTER | DT_VCENTER | DT_SINGLELINE);
OffsetRect(&r, infoPtr->width_increment, 0);
}
/* 2. previous and next months */
if (!(infoPtr->dwStyle & MCS_NOTRAILINGDATES))
{
SYSTEMTIME st_max;
SetTextColor(hdc, infoPtr->trailingtxt);
MONTHCAL_GetMinDate(infoPtr, &st);
/* draw prev month */
mask = 1 << (st.wDay-1);
while(st.wDay <= MONTHCAL_MonthLength(prev_month, infoPtr->curSel.wYear)) {
MONTHCAL_DrawDay(infoPtr, hdc, &st, infoPtr->monthdayState[0] & mask, ps);
mask <<= 1;
st.wDay++;
}
/* draw next month */
st = infoPtr->curSel;
st.wDay = 1;
MONTHCAL_GetNextMonth(&st);
MONTHCAL_GetMaxDate(infoPtr, &st_max);
mask = 1;
while(st.wDay <= st_max.wDay) {
MONTHCAL_DrawDay(infoPtr, hdc, &st, infoPtr->monthdayState[2] & mask, ps);
mask <<= 1;
st.wDay++;
}
}
/* 3. current month */
SetTextColor(hdc, infoPtr->txt);
st = infoPtr->curSel;
st.wDay = 1;
mask = 1;
while(st.wDay <= MONTHCAL_MonthLength(infoPtr->curSel.wMonth, infoPtr->curSel.wYear)) {
MONTHCAL_DrawDay(infoPtr, hdc, &st, infoPtr->monthdayState[1] & mask,
ps);
mask <<= 1;
st.wDay++;
}
/* 4. bottom today date */
if(!(infoPtr->dwStyle & MCS_NOTODAY)) {
static const WCHAR todayW[] = { 'T','o','d','a','y',':',0 };
static const WCHAR fmt_todayW[] = { '%','s',' ','%','s',0 };
WCHAR buf_todayW[30], buf_dateW[20];
RECT rtoday;
if(!(infoPtr->dwStyle & MCS_NOTODAYCIRCLE)) {
SYSTEMTIME fake_st;
MONTHCAL_GetMaxDate(infoPtr, &fake_st);
/* this is always safe cause next month will never fully fit calendar */
fake_st.wDay += 1;
MONTHCAL_CircleDay(infoPtr, hdc, &fake_st);
}
if (!LoadStringW(COMCTL32_hModule, IDM_TODAY, buf_todayW, countof(buf_todayW)))
{
WARN("Can't load resource\n");
strcpyW(buf_todayW, todayW);
}
MONTHCAL_CalcDayRect(infoPtr, &rtoday, 1, 6);
GetDateFormatW(LOCALE_USER_DEFAULT, DATE_SHORTDATE, &infoPtr->todaysDate, NULL,
buf_dateW, countof(buf_dateW));
SelectObject(hdc, infoPtr->hBoldFont);
wsprintfW(buf, fmt_todayW, buf_todayW, buf_dateW);
DrawTextW(hdc, buf, -1, &rtoday, DT_CALCRECT | DT_LEFT | DT_VCENTER | DT_SINGLELINE);
DrawTextW(hdc, buf, -1, &rtoday, DT_LEFT | DT_VCENTER | DT_SINGLELINE);
SelectObject(hdc, infoPtr->hFont);
}
/* 5. today mark + focus */
if((infoPtr->curSel.wMonth == infoPtr->todaysDate.wMonth) &&
(infoPtr->curSel.wYear == infoPtr->todaysDate.wYear) &&
!(infoPtr->dwStyle & MCS_NOTODAYCIRCLE))
{
MONTHCAL_CircleDay(infoPtr, hdc, &infoPtr->todaysDate);
}
if(!MONTHCAL_IsDateEqual(&infoPtr->focusedSel, &st_null))
{
MONTHCAL_CalcPosFromDay(infoPtr, &infoPtr->focusedSel, &r);
DrawFocusRect(hdc, &r);
}
}
static void MONTHCAL_Refresh(MONTHCAL_INFO *infoPtr, HDC hdc, const PAINTSTRUCT *ps)
{
RECT *title = &infoPtr->title;
COLORREF old_text_clr, old_bk_clr;
HFONT old_font;
RECT r_temp;
old_text_clr = SetTextColor(hdc, comctl32_color.clrWindowText);
old_bk_clr = GetBkColor(hdc);
old_font = GetCurrentObject(hdc, OBJ_FONT);
/* draw title, redraw all its elements */
if(IntersectRect(&r_temp, &(ps->rcPaint), title))
MONTHCAL_PaintTitle(infoPtr, hdc, ps);
/* draw calendar area */
UnionRect(&r_temp, &infoPtr->wdays, &infoPtr->todayrect);
if(IntersectRect(&r_temp, &(ps->rcPaint), &r_temp))
MONTHCAL_PaintCalendar(infoPtr, hdc, ps);
/* week numbers */
MONTHCAL_PaintWeeknumbers(infoPtr, hdc, ps);
/* restore context */
SetBkColor(hdc, old_bk_clr);
SelectObject(hdc, old_font);
SetTextColor(hdc, old_text_clr);
}
static LRESULT
MONTHCAL_GetMinReqRect(const MONTHCAL_INFO *infoPtr, LPRECT lpRect)
{
TRACE("rect %p\n", lpRect);
if(!lpRect) return FALSE;
lpRect->left = infoPtr->title.left;
lpRect->top = infoPtr->title.top;
lpRect->right = infoPtr->title.right;
lpRect->bottom = infoPtr->todayrect.bottom;
AdjustWindowRect(lpRect, infoPtr->dwStyle, FALSE);
/* minimal rectangle is zero based */
OffsetRect(lpRect, -lpRect->left, -lpRect->top);
TRACE("%s\n", wine_dbgstr_rect(lpRect));
return TRUE;
}
static LRESULT
MONTHCAL_GetColor(const MONTHCAL_INFO *infoPtr, INT index)
{
TRACE("\n");
switch(index) {
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(MONTHCAL_INFO *infoPtr, INT index, COLORREF color)
{
COLORREF prev = -1;
TRACE("%d: color %08x\n", index, color);
switch(index) {
case MCSC_BACKGROUND:
prev = infoPtr->bk;
infoPtr->bk = color;
break;
case MCSC_TEXT:
prev = infoPtr->txt;
infoPtr->txt = color;
break;
case MCSC_TITLEBK:
prev = infoPtr->titlebk;
infoPtr->titlebk = color;
break;
case MCSC_TITLETEXT:
prev=infoPtr->titletxt;
infoPtr->titletxt = color;
break;
case MCSC_MONTHBK:
prev = infoPtr->monthbk;
infoPtr->monthbk = color;
break;
case MCSC_TRAILINGTEXT:
prev = infoPtr->trailingtxt;
infoPtr->trailingtxt = color;
break;
}
InvalidateRect(infoPtr->hwndSelf, NULL, index == MCSC_BACKGROUND ? TRUE : FALSE);
return prev;
}
static LRESULT
MONTHCAL_GetMonthDelta(const MONTHCAL_INFO *infoPtr)
{
TRACE("\n");
if(infoPtr->delta)
return infoPtr->delta;
else
return infoPtr->visible;
}
static LRESULT
MONTHCAL_SetMonthDelta(MONTHCAL_INFO *infoPtr, INT delta)
{
INT prev = infoPtr->delta;
TRACE("delta %d\n", delta);
infoPtr->delta = delta;
return prev;
}
static inline LRESULT
MONTHCAL_GetFirstDayOfWeek(const MONTHCAL_INFO *infoPtr)
{
int day;
/* convert from SYSTEMTIME to locale format */
day = (infoPtr->firstDay >= 0) ? (infoPtr->firstDay+6)%7 : infoPtr->firstDay;
return MAKELONG(day, infoPtr->firstDaySet);
}
/* Sets the first day of the week that will appear in the control
*
*
* PARAMETERS:
* [I] infoPtr : valid pointer to control data
* [I] day : day number to set as new first day (0 == Monday,...,6 == Sunday)
*
*
* RETURN VALUE:
* Low word contains previous first day,
* high word indicates was first day forced with this message before or is
* locale difined (TRUE - was forced, FALSE - wasn't).
*
* FIXME: this needs to be implemented properly in MONTHCAL_Refresh()
* FIXME: we need more error checking here
*/
static LRESULT
MONTHCAL_SetFirstDayOfWeek(MONTHCAL_INFO *infoPtr, INT day)
{
LRESULT prev = MONTHCAL_GetFirstDayOfWeek(infoPtr);
int new_day;
TRACE("%d\n", day);
if(day == -1)
{
WCHAR buf[80];
GetLocaleInfoW(LOCALE_USER_DEFAULT, LOCALE_IFIRSTDAYOFWEEK, buf, countof(buf));
TRACE("%s %d\n", debugstr_w(buf), strlenW(buf));
new_day = atoiW(buf);
infoPtr->firstDaySet = FALSE;
}
else if(day >= 7)
{
new_day = 6; /* max first day allowed */
infoPtr->firstDaySet = TRUE;
}
else
{
/* Native behaviour for that case is broken: invalid date number >31
got displayed at (0,0) position, current month starts always from
(1,0) position. Should be implemnted here as well. */
if (day < -1)
FIXME("No bug compatibility for day=%d\n", day);
new_day = day;
infoPtr->firstDaySet = TRUE;
}
/* convert from locale to SYSTEMTIME format */
infoPtr->firstDay = (new_day >= 0) ? (++new_day) % 7 : new_day;
InvalidateRect(infoPtr->hwndSelf, NULL, FALSE);
return prev;
}
static LRESULT
MONTHCAL_GetMonthRange(const MONTHCAL_INFO *infoPtr, DWORD flag, SYSTEMTIME *st)
{
TRACE("\n");
if(st)
{
switch (flag) {
case GMR_VISIBLE:
{
/*FIXME: currently multicalendar feature isn't implemented, so entirely
visible month is current */
st[0] = st[1] = infoPtr->curSel;
if (infoPtr->curSel.wMonth == min_allowed_date.wMonth &&
infoPtr->curSel.wYear == min_allowed_date.wYear)
{
st[0].wDay = min_allowed_date.wDay;
}
else
st[0].wDay = 1;
MONTHCAL_CalculateDayOfWeek(&st[0], TRUE);
st[1].wDay = MONTHCAL_MonthLength(st[1].wMonth, st[1].wYear);
MONTHCAL_CalculateDayOfWeek(&st[1], TRUE);
/* a single current month used */
return 1;
}
case GMR_DAYSTATE:
{
/*FIXME: currently multicalendar feature isn't implemented,
min date from previous month and max date from next one returned */
MONTHCAL_GetMinDate(infoPtr, &st[0]);
MONTHCAL_GetMaxDate(infoPtr, &st[1]);
break;
}
default:
WARN("Unknown flag value, got %d\n", flag);
}
}
return infoPtr->monthRange;
}
static LRESULT
MONTHCAL_GetMaxTodayWidth(const MONTHCAL_INFO *infoPtr)
{
return(infoPtr->todayrect.right - infoPtr->todayrect.left);
}
static LRESULT
MONTHCAL_SetRange(MONTHCAL_INFO *infoPtr, SHORT limits, SYSTEMTIME *range)
{
FILETIME ft_min, ft_max;
TRACE("%x %p\n", limits, range);
if ((limits & GDTR_MIN && !MONTHCAL_ValidateDate(&range[0])) ||
(limits & GDTR_MAX && !MONTHCAL_ValidateDate(&range[1])))
return FALSE;
if (limits & GDTR_MIN)
{
if (!MONTHCAL_ValidateTime(&range[0]))
MONTHCAL_CopyTime(&infoPtr->todaysDate, &range[0]);
infoPtr->minDate = range[0];
infoPtr->rangeValid |= GDTR_MIN;
}
if (limits & GDTR_MAX)
{
if (!MONTHCAL_ValidateTime(&range[1]))
MONTHCAL_CopyTime(&infoPtr->todaysDate, &range[1]);
infoPtr->maxDate = range[1];
infoPtr->rangeValid |= GDTR_MAX;
}
/* Only one limit set - we are done */
if ((infoPtr->rangeValid & (GDTR_MIN | GDTR_MAX)) != (GDTR_MIN | GDTR_MAX))
return TRUE;
SystemTimeToFileTime(&infoPtr->maxDate, &ft_max);
SystemTimeToFileTime(&infoPtr->minDate, &ft_min);
if (CompareFileTime(&ft_min, &ft_max) >= 0)
{
if ((limits & (GDTR_MIN | GDTR_MAX)) == (GDTR_MIN | GDTR_MAX))
{
/* Native swaps limits only when both limits are being set. */
SYSTEMTIME st_tmp = infoPtr->minDate;
infoPtr->minDate = infoPtr->maxDate;
infoPtr->maxDate = st_tmp;
}
else
{
/* reset the other limit */
if (limits & GDTR_MIN) infoPtr->maxDate = st_null;
if (limits & GDTR_MAX) infoPtr->minDate = st_null;
infoPtr->rangeValid &= limits & GDTR_MIN ? ~GDTR_MAX : ~GDTR_MIN;
}
}
return TRUE;
}
static LRESULT
MONTHCAL_GetRange(const MONTHCAL_INFO *infoPtr, SYSTEMTIME *range)
{
TRACE("%p\n", range);
if(!range) return FALSE;
range[1] = infoPtr->maxDate;
range[0] = infoPtr->minDate;
return infoPtr->rangeValid;
}
static LRESULT
MONTHCAL_SetDayState(const MONTHCAL_INFO *infoPtr, INT months, MONTHDAYSTATE *states)
{
int i;
TRACE("%d %p\n", months, states);
if(months != infoPtr->monthRange) return 0;
for(i = 0; i < months; i++)
infoPtr->monthdayState[i] = states[i];
return 1;
}
static LRESULT
MONTHCAL_GetCurSel(const MONTHCAL_INFO *infoPtr, SYSTEMTIME *curSel)
{
TRACE("%p\n", curSel);
if(!curSel) return FALSE;
if(infoPtr->dwStyle & MCS_MULTISELECT) return FALSE;
*curSel = infoPtr->curSel;
TRACE("%d/%d/%d\n", curSel->wYear, curSel->wMonth, curSel->wDay);
return TRUE;
}
static LRESULT
MONTHCAL_SetCurSel(MONTHCAL_INFO *infoPtr, SYSTEMTIME *curSel)
{
SYSTEMTIME prev = infoPtr->curSel;
TRACE("%p\n", curSel);
if(!curSel) return FALSE;
if(infoPtr->dwStyle & MCS_MULTISELECT) return FALSE;
if(!MONTHCAL_ValidateDate(curSel)) return FALSE;
/* exit earlier if selection equals current */
if (MONTHCAL_IsDateEqual(&infoPtr->curSel, curSel)) return TRUE;
if(!MONTHCAL_IsDateInValidRange(infoPtr, curSel, FALSE)) return FALSE;
infoPtr->minSel = *curSel;
infoPtr->maxSel = *curSel;
/* if selection is still in current month, reduce rectangle */
prev.wDay = curSel->wDay;
if (MONTHCAL_IsDateEqual(&prev, curSel))
{
RECT r_prev, r_new;
/* note that infoPtr->curSel isn't updated yet */
MONTHCAL_CalcPosFromDay(infoPtr, &infoPtr->curSel, &r_prev);
MONTHCAL_CalcPosFromDay(infoPtr, curSel, &r_new);
InvalidateRect(infoPtr->hwndSelf, &r_prev, FALSE);
InvalidateRect(infoPtr->hwndSelf, &r_new, FALSE);
}
else
InvalidateRect(infoPtr->hwndSelf, NULL, FALSE);
infoPtr->curSel = *curSel;
return TRUE;
}
static LRESULT
MONTHCAL_GetMaxSelCount(const MONTHCAL_INFO *infoPtr)
{
return infoPtr->maxSelCount;
}
static LRESULT
MONTHCAL_SetMaxSelCount(MONTHCAL_INFO *infoPtr, INT max)
{
TRACE("%d\n", max);
if(!(infoPtr->dwStyle & MCS_MULTISELECT)) return FALSE;
if(max <= 0) return FALSE;
infoPtr->maxSelCount = max;
return TRUE;
}
static LRESULT
MONTHCAL_GetSelRange(const MONTHCAL_INFO *infoPtr, SYSTEMTIME *range)
{
TRACE("%p\n", range);
if(!range) return FALSE;
if(infoPtr->dwStyle & MCS_MULTISELECT)
{
range[1] = infoPtr->maxSel;
range[0] = infoPtr->minSel;
TRACE("[min,max]=[%d %d]\n", infoPtr->minSel.wDay, infoPtr->maxSel.wDay);
return TRUE;
}
return FALSE;
}
static LRESULT
MONTHCAL_SetSelRange(MONTHCAL_INFO *infoPtr, SYSTEMTIME *range)
{
TRACE("%p\n", range);
if(!range) return FALSE;
if(infoPtr->dwStyle & MCS_MULTISELECT)
{
SYSTEMTIME old_range[2];
/* adjust timestamps */
if(!MONTHCAL_ValidateTime(&range[0]))
MONTHCAL_CopyTime(&infoPtr->todaysDate, &range[0]);
if(!MONTHCAL_ValidateTime(&range[1]))
MONTHCAL_CopyTime(&infoPtr->todaysDate, &range[1]);
/* maximum range exceeded */
if(!MONTHCAL_IsSelRangeValid(infoPtr, &range[0], &range[1], NULL)) return FALSE;
old_range[0] = infoPtr->minSel;
old_range[1] = infoPtr->maxSel;
/* swap if min > max */
if(MONTHCAL_CompareSystemTime(&range[0], &range[1]) <= 0)
{
infoPtr->minSel = range[0];
infoPtr->maxSel = range[1];
}
else
{
infoPtr->minSel = range[1];
infoPtr->maxSel = range[0];
}
infoPtr->curSel = infoPtr->minSel;
/* update day of week */
MONTHCAL_CalculateDayOfWeek(&infoPtr->minSel, TRUE);
MONTHCAL_CalculateDayOfWeek(&infoPtr->maxSel, TRUE);
MONTHCAL_CalculateDayOfWeek(&infoPtr->curSel, TRUE);
/* redraw if bounds changed */
/* FIXME: no actual need to redraw everything */
if(!MONTHCAL_IsDateEqual(&old_range[0], &range[0]) ||
!MONTHCAL_IsDateEqual(&old_range[1], &range[1]))
{
InvalidateRect(infoPtr->hwndSelf, NULL, FALSE);
}
TRACE("[min,max]=[%d %d]\n", infoPtr->minSel.wDay, infoPtr->maxSel.wDay);
return TRUE;
}
return FALSE;
}
static LRESULT
MONTHCAL_GetToday(const MONTHCAL_INFO *infoPtr, SYSTEMTIME *today)
{
TRACE("%p\n", today);
if(!today) return FALSE;
*today = infoPtr->todaysDate;
return TRUE;
}
/* Internal helper for MCM_SETTODAY handler and auto update timer handler
*
* RETURN VALUE
*
* TRUE - today date changed
* FALSE - today date isn't changed
*/
static BOOL
MONTHCAL_UpdateToday(MONTHCAL_INFO *infoPtr, const SYSTEMTIME *today)
{
RECT new_r, old_r;
if(MONTHCAL_IsDateEqual(today, &infoPtr->todaysDate)) return FALSE;
MONTHCAL_CalcPosFromDay(infoPtr, &infoPtr->todaysDate, &old_r);
MONTHCAL_CalcPosFromDay(infoPtr, today, &new_r);
infoPtr->todaysDate = *today;
/* only two days need redrawing */
InvalidateRect(infoPtr->hwndSelf, &old_r, FALSE);
InvalidateRect(infoPtr->hwndSelf, &new_r, FALSE);
return TRUE;
}
/* MCM_SETTODAT handler */
static LRESULT
MONTHCAL_SetToday(MONTHCAL_INFO *infoPtr, const SYSTEMTIME *today)
{
TRACE("%p\n", today);
if(!today) return FALSE;
/* remember if date was set successfully */
if(MONTHCAL_UpdateToday(infoPtr, today)) infoPtr->todaySet = TRUE;
return TRUE;
}
static LRESULT
MONTHCAL_HitTest(const MONTHCAL_INFO *infoPtr, MCHITTESTINFO *lpht)
{
UINT x,y;
DWORD retval;
int day,wday,wnum;
if(!lpht || lpht->cbSize < MCHITTESTINFO_V1_SIZE) return -1;
x = lpht->pt.x;
y = lpht->pt.y;
ZeroMemory(&lpht->st, sizeof(lpht->st));
/* Comment in for debugging...
TRACE("%d %d wd[%d %d %d %d] d[%d %d %d %d] t[%d %d %d %d] wn[%d %d %d %d]\n", x, y,
infoPtr->wdays.left, infoPtr->wdays.right,
infoPtr->wdays.top, infoPtr->wdays.bottom,
infoPtr->days.left, infoPtr->days.right,
infoPtr->days.top, infoPtr->days.bottom,
infoPtr->todayrect.left, infoPtr->todayrect.right,
infoPtr->todayrect.top, infoPtr->todayrect.bottom,
infoPtr->weeknums.left, infoPtr->weeknums.right,
infoPtr->weeknums.top, infoPtr->weeknums.bottom);
*/
/* are we in the header? */
if(PtInRect(&infoPtr->title, lpht->pt)) {
if(PtInRect(&infoPtr->titlebtnprev, lpht->pt)) {
retval = MCHT_TITLEBTNPREV;
goto done;
}
if(PtInRect(&infoPtr->titlebtnnext, lpht->pt)) {
retval = MCHT_TITLEBTNNEXT;
goto done;
}
if(PtInRect(&infoPtr->titlemonth, lpht->pt)) {
retval = MCHT_TITLEMONTH;
goto done;
}
if(PtInRect(&infoPtr->titleyear, lpht->pt)) {
retval = MCHT_TITLEYEAR;
goto done;
}
retval = MCHT_TITLE;
goto done;
}
day = MONTHCAL_CalcDayFromPos(infoPtr,x,y,&wday,&wnum);
if(PtInRect(&infoPtr->wdays, lpht->pt)) {
retval = MCHT_CALENDARDAY;
lpht->st.wYear = infoPtr->curSel.wYear;
lpht->st.wMonth = (day < 1)? infoPtr->curSel.wMonth -1 : infoPtr->curSel.wMonth;
lpht->st.wDay = (day < 1)?
MONTHCAL_MonthLength(infoPtr->curSel.wMonth-1, infoPtr->curSel.wYear) -day : day;
goto done;
}
if(PtInRect(&infoPtr->weeknums, lpht->pt)) {
retval = MCHT_CALENDARWEEKNUM;
lpht->st.wYear = infoPtr->curSel.wYear;
lpht->st.wMonth = (day < 1) ? infoPtr->curSel.wMonth -1 :
(day > MONTHCAL_MonthLength(infoPtr->curSel.wMonth,infoPtr->curSel.wYear)) ?
infoPtr->curSel.wMonth +1 :infoPtr->curSel.wMonth;
lpht->st.wDay = (day < 1 ) ?
MONTHCAL_MonthLength(infoPtr->curSel.wMonth-1,infoPtr->curSel.wYear) -day :
(day > MONTHCAL_MonthLength(infoPtr->curSel.wMonth,infoPtr->curSel.wYear)) ?
day - MONTHCAL_MonthLength(infoPtr->curSel.wMonth,infoPtr->curSel.wYear) : day;
goto done;
}
if(PtInRect(&infoPtr->days, lpht->pt))
{
lpht->st.wYear = infoPtr->curSel.wYear;
lpht->st.wMonth = infoPtr->curSel.wMonth;
if (day < 1)
{
retval = MCHT_CALENDARDATEPREV;
MONTHCAL_GetPrevMonth(&lpht->st);
lpht->st.wDay = MONTHCAL_MonthLength(lpht->st.wMonth, lpht->st.wYear) + day;
}
else if (day > MONTHCAL_MonthLength(infoPtr->curSel.wMonth, infoPtr->curSel.wYear))
{
retval = MCHT_CALENDARDATENEXT;
MONTHCAL_GetNextMonth(&lpht->st);
lpht->st.wDay = day - MONTHCAL_MonthLength(infoPtr->curSel.wMonth, infoPtr->curSel.wYear);
}
else {
retval = MCHT_CALENDARDATE;
lpht->st.wDay = day;
}
/* always update day of week */
MONTHCAL_CalculateDayOfWeek(&lpht->st, TRUE);
goto done;
}
if(PtInRect(&infoPtr->todayrect, lpht->pt)) {
retval = MCHT_TODAYLINK;
goto done;
}
/* Hit nothing special? What's left must be background :-) */
retval = MCHT_CALENDARBK;
done:
lpht->uHit = retval;
return retval;
}
/* MCN_GETDAYSTATE notification helper */
static void MONTHCAL_NotifyDayState(MONTHCAL_INFO *infoPtr)
{
if(infoPtr->dwStyle & MCS_DAYSTATE) {
NMDAYSTATE nmds;
INT i;
nmds.nmhdr.hwndFrom = infoPtr->hwndSelf;
nmds.nmhdr.idFrom = GetWindowLongPtrW(infoPtr->hwndSelf, GWLP_ID);
nmds.nmhdr.code = MCN_GETDAYSTATE;
nmds.cDayState = infoPtr->monthRange;
nmds.prgDayState = Alloc(infoPtr->monthRange * sizeof(MONTHDAYSTATE));
nmds.stStart = infoPtr->todaysDate;
nmds.stStart.wYear = infoPtr->curSel.wYear;
nmds.stStart.wMonth = infoPtr->curSel.wMonth;
nmds.stStart.wDay = 1;
SendMessageW(infoPtr->hwndNotify, WM_NOTIFY, nmds.nmhdr.idFrom, (LPARAM)&nmds);
for(i = 0; i < infoPtr->monthRange; i++)
infoPtr->monthdayState[i] = nmds.prgDayState[i];
Free(nmds.prgDayState);
}
}
static void MONTHCAL_GoToPrevNextMonth(MONTHCAL_INFO *infoPtr, BOOL prev)
{
SYSTEMTIME st = infoPtr->curSel;
TRACE("%s\n", prev ? "prev" : "next");
if(prev) MONTHCAL_GetPrevMonth(&st); else MONTHCAL_GetNextMonth(&st);
if(!MONTHCAL_IsDateInValidRange(infoPtr, &st, FALSE)) return;
if(infoPtr->dwStyle & MCS_MULTISELECT)
{
SYSTEMTIME range[2];
range[0] = infoPtr->minSel;
range[1] = infoPtr->maxSel;
if(prev)
{
MONTHCAL_GetPrevMonth(&range[0]);
MONTHCAL_GetPrevMonth(&range[1]);
}
else
{
MONTHCAL_GetNextMonth(&range[0]);
MONTHCAL_GetNextMonth(&range[1]);
}
MONTHCAL_SetSelRange(infoPtr, range);
}
else
MONTHCAL_SetCurSel(infoPtr, &st);
MONTHCAL_NotifyDayState(infoPtr);
MONTHCAL_NotifySelectionChange(infoPtr);
}
static LRESULT
MONTHCAL_RButtonUp(MONTHCAL_INFO *infoPtr, LPARAM lParam)
{
static const WCHAR todayW[] = { 'G','o',' ','t','o',' ','T','o','d','a','y',':',0 };
HMENU hMenu;
POINT menupoint;
WCHAR buf[32];
hMenu = CreatePopupMenu();
if (!LoadStringW(COMCTL32_hModule, IDM_GOTODAY, buf, countof(buf)))
{
WARN("Can't load resource\n");
strcpyW(buf, todayW);
}
AppendMenuW(hMenu, MF_STRING|MF_ENABLED, 1, buf);
menupoint.x = (short)LOWORD(lParam);
menupoint.y = (short)HIWORD(lParam);
ClientToScreen(infoPtr->hwndSelf, &menupoint);
if( TrackPopupMenu(hMenu, TPM_RIGHTBUTTON | TPM_NONOTIFY | TPM_RETURNCMD,
menupoint.x, menupoint.y, 0, infoPtr->hwndSelf, NULL))
{
infoPtr->curSel = infoPtr->todaysDate;
infoPtr->minSel = infoPtr->todaysDate;
infoPtr->maxSel = infoPtr->todaysDate;
InvalidateRect(infoPtr->hwndSelf, NULL, FALSE);
}
return 0;
}
/***
* DESCRIPTION:
* Subclassed edit control windproc function
*
* PARAMETER(S):
* [I] hwnd : the edit window handle
* [I] uMsg : the message that is to be processed
* [I] wParam : first message parameter
* [I] lParam : second message parameter
*
*/
static LRESULT CALLBACK EditWndProc(HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
{
MONTHCAL_INFO *infoPtr = (MONTHCAL_INFO *)GetWindowLongPtrW(GetParent(hwnd), 0);
TRACE("(hwnd=%p, uMsg=%x, wParam=%lx, lParam=%lx)\n",
hwnd, uMsg, wParam, lParam);
switch (uMsg)
{
case WM_GETDLGCODE:
return DLGC_WANTARROWS | DLGC_WANTALLKEYS;
case WM_DESTROY:
{
WNDPROC editProc = infoPtr->EditWndProc;
infoPtr->EditWndProc = NULL;
SetWindowLongPtrW(hwnd, GWLP_WNDPROC, (DWORD_PTR)editProc);
return CallWindowProcW(editProc, hwnd, uMsg, wParam, lParam);
}
case WM_KILLFOCUS:
break;
case WM_KEYDOWN:
if ((VK_ESCAPE == (INT)wParam) || (VK_RETURN == (INT)wParam))
break;
default:
return CallWindowProcW(infoPtr->EditWndProc, hwnd, uMsg, wParam, lParam);
}
SendMessageW(infoPtr->hWndYearUpDown, WM_CLOSE, 0, 0);
SendMessageW(hwnd, WM_CLOSE, 0, 0);
return 0;
}
/* creates updown control and edit box */
static void MONTHCAL_EditYear(MONTHCAL_INFO *infoPtr)
{
infoPtr->hWndYearEdit =
CreateWindowExW(0, WC_EDITW, 0, WS_VISIBLE | WS_CHILD | ES_READONLY,
infoPtr->titleyear.left + 3, infoPtr->titlebtnnext.top,
infoPtr->titleyear.right - infoPtr->titleyear.left + 4,
infoPtr->textHeight, infoPtr->hwndSelf,
NULL, NULL, NULL);
SendMessageW(infoPtr->hWndYearEdit, WM_SETFONT, (WPARAM)infoPtr->hBoldFont, TRUE);
infoPtr->hWndYearUpDown =
CreateWindowExW(0, UPDOWN_CLASSW, 0,
WS_VISIBLE | WS_CHILD | UDS_SETBUDDYINT | UDS_NOTHOUSANDS | UDS_ARROWKEYS,
infoPtr->titleyear.right + 7, infoPtr->titlebtnnext.top,
18, infoPtr->textHeight, infoPtr->hwndSelf,
NULL, NULL, NULL);
/* attach edit box */
SendMessageW(infoPtr->hWndYearUpDown, UDM_SETRANGE, 0,
MAKELONG(max_allowed_date.wYear, min_allowed_date.wYear));
SendMessageW(infoPtr->hWndYearUpDown, UDM_SETBUDDY, (WPARAM)infoPtr->hWndYearEdit, 0);
SendMessageW(infoPtr->hWndYearUpDown, UDM_SETPOS, 0, infoPtr->curSel.wYear);
/* subclass edit box */
infoPtr->EditWndProc = (WNDPROC)SetWindowLongPtrW(infoPtr->hWndYearEdit,
GWLP_WNDPROC, (DWORD_PTR)EditWndProc);
SetFocus(infoPtr->hWndYearEdit);
}
static LRESULT
MONTHCAL_LButtonDown(MONTHCAL_INFO *infoPtr, LPARAM lParam)
{
MCHITTESTINFO ht;
DWORD hit;
/* Actually we don't need input focus for calendar, this is used to kill
year updown and its buddy edit box */
if (IsWindow(infoPtr->hWndYearUpDown))
{
SetFocus(infoPtr->hwndSelf);
return 0;
}
SetCapture(infoPtr->hwndSelf);
ht.cbSize = sizeof(MCHITTESTINFO);
ht.pt.x = (short)LOWORD(lParam);
ht.pt.y = (short)HIWORD(lParam);
hit = MONTHCAL_HitTest(infoPtr, &ht);
TRACE("%x at (%d, %d)\n", hit, ht.pt.x, ht.pt.y);
switch(hit)
{
case MCHT_TITLEBTNNEXT:
MONTHCAL_GoToPrevNextMonth(infoPtr, FALSE);
infoPtr->status = MC_NEXTPRESSED;
SetTimer(infoPtr->hwndSelf, MC_PREVNEXTMONTHTIMER, MC_PREVNEXTMONTHDELAY, 0);
InvalidateRect(infoPtr->hwndSelf, NULL, FALSE);
return 0;
case MCHT_TITLEBTNPREV:
MONTHCAL_GoToPrevNextMonth(infoPtr, TRUE);
infoPtr->status = MC_PREVPRESSED;
SetTimer(infoPtr->hwndSelf, MC_PREVNEXTMONTHTIMER, MC_PREVNEXTMONTHDELAY, 0);
InvalidateRect(infoPtr->hwndSelf, NULL, FALSE);
return 0;
case MCHT_TITLEMONTH:
{
HMENU hMenu = CreatePopupMenu();
WCHAR buf[32];
POINT menupoint;
INT i;
for (i = 0; i < 12; i++)
{
GetLocaleInfoW(LOCALE_USER_DEFAULT, LOCALE_SMONTHNAME1+i, buf, countof(buf));
AppendMenuW(hMenu, MF_STRING|MF_ENABLED, i + 1, buf);
}
menupoint.x = ht.pt.x;
menupoint.y = ht.pt.y;
ClientToScreen(infoPtr->hwndSelf, &menupoint);
i = TrackPopupMenu(hMenu,TPM_LEFTALIGN | TPM_NONOTIFY | TPM_RIGHTBUTTON | TPM_RETURNCMD,
menupoint.x, menupoint.y, 0, infoPtr->hwndSelf, NULL);
if ((i > 0) && (i < 13) && infoPtr->curSel.wMonth != i)
{
infoPtr->curSel.wMonth = i;
MONTHCAL_IsDateInValidRange(infoPtr, &infoPtr->curSel, TRUE);
InvalidateRect(infoPtr->hwndSelf, NULL, FALSE);
}
return 0;
}
case MCHT_TITLEYEAR:
{
MONTHCAL_EditYear(infoPtr);
return 0;
}
case MCHT_TODAYLINK:
{
infoPtr->curSel = infoPtr->todaysDate;
infoPtr->minSel = infoPtr->todaysDate;
infoPtr->maxSel = infoPtr->todaysDate;
InvalidateRect(infoPtr->hwndSelf, NULL, FALSE);
MONTHCAL_NotifySelectionChange(infoPtr);
MONTHCAL_NotifySelect(infoPtr);
return 0;
}
case MCHT_CALENDARDATENEXT:
case MCHT_CALENDARDATEPREV:
case MCHT_CALENDARDATE:
{
SYSTEMTIME st[2];
MONTHCAL_CopyDate(&ht.st, &infoPtr->firstSel);
st[0] = st[1] = ht.st;
/* clear selection range */
MONTHCAL_SetSelRange(infoPtr, st);
infoPtr->status = MC_SEL_LBUTDOWN;
MONTHCAL_SetDayFocus(infoPtr, &ht.st);
return 0;
}
}
return 1;
}
static LRESULT
MONTHCAL_LButtonUp(MONTHCAL_INFO *infoPtr, LPARAM lParam)
{
NMHDR nmhdr;
MCHITTESTINFO ht;
DWORD hit;
TRACE("\n");
if(infoPtr->status & (MC_PREVPRESSED | MC_NEXTPRESSED)) {
RECT *r;
KillTimer(infoPtr->hwndSelf, MC_PREVNEXTMONTHTIMER);
r = infoPtr->status & MC_PREVPRESSED ? &infoPtr->titlebtnprev : &infoPtr->titlebtnnext;
infoPtr->status &= ~(MC_PREVPRESSED | MC_NEXTPRESSED);
InvalidateRect(infoPtr->hwndSelf, r, FALSE);
}
ReleaseCapture();
/* always send NM_RELEASEDCAPTURE notification */
nmhdr.hwndFrom = infoPtr->hwndSelf;
nmhdr.idFrom = GetWindowLongPtrW(infoPtr->hwndSelf, GWLP_ID);
nmhdr.code = NM_RELEASEDCAPTURE;
TRACE("Sent notification from %p to %p\n", infoPtr->hwndSelf, infoPtr->hwndNotify);
SendMessageW(infoPtr->hwndNotify, WM_NOTIFY, nmhdr.idFrom, (LPARAM)&nmhdr);
if(!(infoPtr->status & MC_SEL_LBUTDOWN)) return 0;
ht.cbSize = sizeof(MCHITTESTINFO);
ht.pt.x = (short)LOWORD(lParam);
ht.pt.y = (short)HIWORD(lParam);
hit = MONTHCAL_HitTest(infoPtr, &ht);
infoPtr->status = MC_SEL_LBUTUP;
MONTHCAL_SetDayFocus(infoPtr, NULL);
if((hit & MCHT_CALENDARDATE) == MCHT_CALENDARDATE)
{
SYSTEMTIME sel = infoPtr->curSel;
/* will be invalidated here */
MONTHCAL_SetCurSel(infoPtr, &ht.st);
/* send MCN_SELCHANGE only if new date selected */
if (!MONTHCAL_IsDateEqual(&sel, &ht.st))
MONTHCAL_NotifySelectionChange(infoPtr);
MONTHCAL_NotifySelect(infoPtr);
}
return 0;
}
static LRESULT
MONTHCAL_Timer(MONTHCAL_INFO *infoPtr, WPARAM id)
{
TRACE("%ld\n", id);
switch(id) {
case MC_PREVNEXTMONTHTIMER:
if(infoPtr->status & MC_NEXTPRESSED) MONTHCAL_GoToPrevNextMonth(infoPtr, FALSE);
if(infoPtr->status & MC_PREVPRESSED) MONTHCAL_GoToPrevNextMonth(infoPtr, TRUE);
InvalidateRect(infoPtr->hwndSelf, NULL, FALSE);
break;
case MC_TODAYUPDATETIMER:
{
SYSTEMTIME st;
if(infoPtr->todaySet) return 0;
GetLocalTime(&st);
MONTHCAL_UpdateToday(infoPtr, &st);
/* notification sent anyway */
MONTHCAL_NotifySelectionChange(infoPtr);
return 0;
}
default:
ERR("got unknown timer %ld\n", id);
break;
}
return 0;
}
static LRESULT
MONTHCAL_MouseMove(MONTHCAL_INFO *infoPtr, LPARAM lParam)
{
MCHITTESTINFO ht;
SYSTEMTIME old_focused, st_ht;
INT hit;
RECT r;
if(!(infoPtr->status & MC_SEL_LBUTDOWN)) return 0;
ht.cbSize = sizeof(MCHITTESTINFO);
ht.pt.x = (short)LOWORD(lParam);
ht.pt.y = (short)HIWORD(lParam);
hit = MONTHCAL_HitTest(infoPtr, &ht);
/* not on the calendar date numbers? bail out */
TRACE("hit:%x\n",hit);
if((hit & MCHT_CALENDARDATE) != MCHT_CALENDARDATE)
{
MONTHCAL_SetDayFocus(infoPtr, NULL);
return 0;
}
st_ht = ht.st;
old_focused = infoPtr->focusedSel;
/* if pointer is over focused day still there's nothing to do */
if(!MONTHCAL_SetDayFocus(infoPtr, &ht.st)) return 0;
MONTHCAL_CalcPosFromDay(infoPtr, &ht.st, &r);
if(infoPtr->dwStyle & MCS_MULTISELECT) {
SYSTEMTIME st[2];
MONTHCAL_GetSelRange(infoPtr, st);
/* If we're still at the first selected date and range is empty, return.
If range isn't empty we should change range to a single firstSel */
if(MONTHCAL_IsDateEqual(&infoPtr->firstSel, &st_ht) &&
MONTHCAL_IsDateEqual(&st[0], &st[1])) goto done;
MONTHCAL_IsSelRangeValid(infoPtr, &st_ht, &infoPtr->firstSel, &st_ht);
st[0] = infoPtr->firstSel;
/* we should overwrite timestamp here */
MONTHCAL_CopyDate(&st_ht, &st[1]);
/* bounds will be swapped here if needed */
MONTHCAL_SetSelRange(infoPtr, st);
return 0;
}
done:
/* FIXME: this should specify a rectangle containing only the days that changed
using InvalidateRect */
InvalidateRect(infoPtr->hwndSelf, NULL, FALSE);
return 0;
}
static LRESULT
MONTHCAL_Paint(MONTHCAL_INFO *infoPtr, HDC hdc_paint)
{
HDC hdc;
PAINTSTRUCT ps;
if (hdc_paint)
{
GetClientRect(infoPtr->hwndSelf, &ps.rcPaint);
hdc = hdc_paint;
}
else
hdc = BeginPaint(infoPtr->hwndSelf, &ps);
MONTHCAL_Refresh(infoPtr, hdc, &ps);
if (!hdc_paint) EndPaint(infoPtr->hwndSelf, &ps);
return 0;
}
static LRESULT
MONTHCAL_EraseBkgnd(const MONTHCAL_INFO *infoPtr, HDC hdc)
{
HBRUSH hbr;
RECT rc;
if (!GetClipBox(hdc, &rc)) return FALSE;
/* fill background */
hbr = CreateSolidBrush (infoPtr->bk);
FillRect(hdc, &rc, hbr);
DeleteObject(hbr);
return TRUE;
}
static LRESULT
MONTHCAL_PrintClient(MONTHCAL_INFO *infoPtr, HDC hdc, DWORD options)
{
FIXME("Partial Stub: (hdc=%p options=0x%08x)\n", hdc, options);
if ((options & PRF_CHECKVISIBLE) && !IsWindowVisible(infoPtr->hwndSelf))
return 0;
if (options & PRF_ERASEBKGND)
MONTHCAL_EraseBkgnd(infoPtr, hdc);
if (options & PRF_CLIENT)
MONTHCAL_Paint(infoPtr, hdc);
return 0;
}
static LRESULT
MONTHCAL_SetFocus(const MONTHCAL_INFO *infoPtr)
{
TRACE("\n");
InvalidateRect(infoPtr->hwndSelf, NULL, FALSE);
return 0;
}
/* sets the size information */
static void MONTHCAL_UpdateSize(MONTHCAL_INFO *infoPtr)
{
static const WCHAR O0W[] = { '0','0',0 };
HDC hdc = GetDC(infoPtr->hwndSelf);
RECT *title=&infoPtr->title;
RECT *prev=&infoPtr->titlebtnprev;
RECT *next=&infoPtr->titlebtnnext;
RECT *titlemonth=&infoPtr->titlemonth;
RECT *titleyear=&infoPtr->titleyear;
RECT *wdays=&infoPtr->wdays;
RECT *weeknumrect=&infoPtr->weeknums;
RECT *days=&infoPtr->days;
RECT *todayrect=&infoPtr->todayrect;
SIZE size, sz;
TEXTMETRICW tm;
HFONT currentFont;
INT xdiv, dx, dy, i;
RECT rcClient;
WCHAR buff[80];
GetClientRect(infoPtr->hwndSelf, &rcClient);
currentFont = SelectObject(hdc, infoPtr->hFont);
/* get the height and width of each day's text */
GetTextMetricsW(hdc, &tm);
infoPtr->textHeight = tm.tmHeight + tm.tmExternalLeading + tm.tmInternalLeading;
/* find largest abbreviated day name for current locale */
size.cx = sz.cx = 0;
for (i = 0; i < 7; i++)
{
if(GetLocaleInfoW(LOCALE_USER_DEFAULT, LOCALE_SABBREVDAYNAME1 + i,
buff, countof(buff)))
{
GetTextExtentPoint32W(hdc, buff, lstrlenW(buff), &sz);
if (sz.cx > size.cx) size.cx = sz.cx;
}
else /* locale independent fallback on failure */
{
static const WCHAR SunW[] = { 'S','u','n',0 };
GetTextExtentPoint32W(hdc, SunW, lstrlenW(SunW), &size);
break;
}
}
infoPtr->textWidth = size.cx + 2;
/* recalculate the height and width increments and offsets */
GetTextExtentPoint32W(hdc, O0W, 2, &size);
xdiv = (infoPtr->dwStyle & MCS_WEEKNUMBERS) ? 8 : 7;
infoPtr->width_increment = size.cx * 2 + 4;
infoPtr->height_increment = infoPtr->textHeight;
/* calculate title area */
title->top = 0;
title->bottom = 3 * infoPtr->height_increment / 2;
title->left = 0;
title->right = infoPtr->width_increment * xdiv;
/* set the dimensions of the next and previous buttons and center */
/* the month text vertically */
prev->top = next->top = title->top + 4;
prev->bottom = next->bottom = title->bottom - 4;
prev->left = title->left + 4;
prev->right = prev->left + (title->bottom - title->top);
next->right = title->right - 4;
next->left = next->right - (title->bottom - title->top);
/* titlemonth->left and right change based upon the current month */
/* and are recalculated in refresh as the current month may change */
/* without the control being resized */
titlemonth->top = titleyear->top = title->top + (infoPtr->height_increment)/2;
titlemonth->bottom = titleyear->bottom = title->bottom - (infoPtr->height_increment)/2;
/* setup the dimensions of the rectangle we draw the names of the */
/* days of the week in */
weeknumrect->left = 0;
if(infoPtr->dwStyle & MCS_WEEKNUMBERS)
weeknumrect->right = prev->right;
else
weeknumrect->right = weeknumrect->left;
wdays->left = days->left = weeknumrect->right;
wdays->right = days->right = wdays->left + 7 * infoPtr->width_increment;
wdays->top = title->bottom;
wdays->bottom = wdays->top + infoPtr->height_increment;
days->top = weeknumrect->top = wdays->bottom;
days->bottom = weeknumrect->bottom = days->top + 6 * infoPtr->height_increment;
todayrect->left = 0;
todayrect->right = title->right;
todayrect->top = days->bottom;
todayrect->bottom = days->bottom + infoPtr->height_increment;
/* offset all rectangles to center in client area */
dx = (rcClient.right - title->right) / 2;
dy = (rcClient.bottom - todayrect->bottom) / 2;
/* if calendar doesn't fit client area show it at left/top bounds */
if (title->left + dx < 0) dx = 0;
if (title->top + dy < 0) dy = 0;
if (dx != 0 || dy != 0)
{
OffsetRect(title, dx, dy);
OffsetRect(prev, dx, dy);
OffsetRect(next, dx, dy);
OffsetRect(titlemonth, dx, dy);
OffsetRect(titleyear, dx, dy);
OffsetRect(wdays, dx, dy);
OffsetRect(weeknumrect, dx, dy);
OffsetRect(days, dx, dy);
OffsetRect(todayrect, dx, dy);
}
TRACE("dx=%d dy=%d client[%s] title[%s] wdays[%s] days[%s] today[%s]\n",
infoPtr->width_increment,infoPtr->height_increment,
wine_dbgstr_rect(&rcClient),
wine_dbgstr_rect(title),
wine_dbgstr_rect(wdays),
wine_dbgstr_rect(days),
wine_dbgstr_rect(todayrect));
/* restore the originally selected font */
SelectObject(hdc, currentFont);
ReleaseDC(infoPtr->hwndSelf, hdc);
}
static LRESULT MONTHCAL_Size(MONTHCAL_INFO *infoPtr, int Width, int Height)
{
TRACE("(width=%d, height=%d)\n", Width, Height);
MONTHCAL_UpdateSize(infoPtr);
/* invalidate client area and erase background */
InvalidateRect(infoPtr->hwndSelf, NULL, TRUE);
return 0;
}
static LRESULT MONTHCAL_GetFont(const MONTHCAL_INFO *infoPtr)
{
return (LRESULT)infoPtr->hFont;
}
static LRESULT MONTHCAL_SetFont(MONTHCAL_INFO *infoPtr, HFONT hFont, BOOL redraw)
{
HFONT hOldFont;
LOGFONTW lf;
if (!hFont) return 0;
hOldFont = infoPtr->hFont;
infoPtr->hFont = hFont;
GetObjectW(infoPtr->hFont, sizeof(lf), &lf);
lf.lfWeight = FW_BOLD;
infoPtr->hBoldFont = CreateFontIndirectW(&lf);
MONTHCAL_UpdateSize(infoPtr);
if (redraw)
InvalidateRect(infoPtr->hwndSelf, NULL, FALSE);
return (LRESULT)hOldFont;
}
/* update theme after a WM_THEMECHANGED message */
static LRESULT theme_changed (const MONTHCAL_INFO* infoPtr)
{
HTHEME theme = GetWindowTheme (infoPtr->hwndSelf);
CloseThemeData (theme);
OpenThemeData (infoPtr->hwndSelf, themeClass);
return 0;
}
static INT MONTHCAL_StyleChanged(MONTHCAL_INFO *infoPtr, WPARAM wStyleType,
const STYLESTRUCT *lpss)
{
TRACE("(styletype=%lx, styleOld=0x%08x, styleNew=0x%08x)\n",
wStyleType, lpss->styleOld, lpss->styleNew);
if (wStyleType != GWL_STYLE) return 0;
infoPtr->dwStyle = lpss->styleNew;
/* make room for week numbers */
if ((lpss->styleNew ^ lpss->styleOld) & MCS_WEEKNUMBERS)
MONTHCAL_UpdateSize(infoPtr);
return 0;
}
static INT MONTHCAL_StyleChanging(MONTHCAL_INFO *infoPtr, WPARAM wStyleType,
STYLESTRUCT *lpss)
{
TRACE("(styletype=%lx, styleOld=0x%08x, styleNew=0x%08x)\n",
wStyleType, lpss->styleOld, lpss->styleNew);
/* block MCS_MULTISELECT change */
if ((lpss->styleNew ^ lpss->styleOld) & MCS_MULTISELECT)
{
if (lpss->styleOld & MCS_MULTISELECT)
lpss->styleNew |= MCS_MULTISELECT;
else
lpss->styleNew &= ~MCS_MULTISELECT;
}
return 0;
}
/* FIXME: check whether dateMin/dateMax need to be adjusted. */
static LRESULT
MONTHCAL_Create(HWND hwnd, LPCREATESTRUCTW lpcs)
{
MONTHCAL_INFO *infoPtr;
/* allocate memory for info structure */
infoPtr = Alloc(sizeof(MONTHCAL_INFO));
SetWindowLongPtrW(hwnd, 0, (DWORD_PTR)infoPtr);
if(infoPtr == NULL) {
ERR( "could not allocate info memory!\n");
return 0;
}
infoPtr->hwndSelf = hwnd;
infoPtr->hwndNotify = lpcs->hwndParent;
infoPtr->dwStyle = GetWindowLongW(hwnd, GWL_STYLE);
MONTHCAL_SetFont(infoPtr, GetStockObject(DEFAULT_GUI_FONT), FALSE);
/* initialize info structure */
/* FIXME: calculate systemtime ->> localtime(substract timezoneinfo) */
GetLocalTime(&infoPtr->todaysDate);
MONTHCAL_SetFirstDayOfWeek(infoPtr, -1);
infoPtr->maxSelCount = (infoPtr->dwStyle & MCS_MULTISELECT) ? 7 : 1;
infoPtr->monthRange = 3;
infoPtr->monthdayState = Alloc(infoPtr->monthRange * sizeof(MONTHDAYSTATE));
infoPtr->titlebk = comctl32_color.clrActiveCaption;
infoPtr->titletxt = comctl32_color.clrWindow;
infoPtr->monthbk = comctl32_color.clrWindow;
infoPtr->trailingtxt = comctl32_color.clrGrayText;
infoPtr->bk = comctl32_color.clrWindow;
infoPtr->txt = comctl32_color.clrWindowText;
infoPtr->minSel = infoPtr->todaysDate;
infoPtr->maxSel = infoPtr->todaysDate;
infoPtr->curSel = infoPtr->todaysDate;
infoPtr->isUnicode = TRUE;
/* call MONTHCAL_UpdateSize to set all of the dimensions */
/* of the control */
MONTHCAL_UpdateSize(infoPtr);
/* today auto update timer, to be freed only on control destruction */
SetTimer(infoPtr->hwndSelf, MC_TODAYUPDATETIMER, MC_TODAYUPDATEDELAY, 0);
OpenThemeData (infoPtr->hwndSelf, themeClass);
return 0;
}
static LRESULT
MONTHCAL_Destroy(MONTHCAL_INFO *infoPtr)
{
/* free month calendar info data */
Free(infoPtr->monthdayState);
SetWindowLongPtrW(infoPtr->hwndSelf, 0, 0);
CloseThemeData (GetWindowTheme (infoPtr->hwndSelf));
Free(infoPtr);
return 0;
}
/*
* Handler for WM_NOTIFY messages
*/
static LRESULT
MONTHCAL_Notify(MONTHCAL_INFO *infoPtr, NMHDR *hdr)
{
/* notification from year edit updown */
if (hdr->code == UDN_DELTAPOS)
{
NMUPDOWN *nmud = (NMUPDOWN*)hdr;
if (hdr->hwndFrom == infoPtr->hWndYearUpDown)
{
/* year value limits are set up explicitly after updown creation */
if ((nmud->iDelta + nmud->iPos) != infoPtr->curSel.wYear)
{
SYSTEMTIME new_date = infoPtr->curSel;
new_date.wYear = nmud->iDelta + nmud->iPos;
MONTHCAL_SetCurSel(infoPtr, &new_date);
}
}
}
return 0;
}
static inline BOOL
MONTHCAL_SetUnicodeFormat(MONTHCAL_INFO *infoPtr, BOOL isUnicode)
{
BOOL prev = infoPtr->isUnicode;
infoPtr->isUnicode = isUnicode;
return prev;
}
static inline BOOL
MONTHCAL_GetUnicodeFormat(const MONTHCAL_INFO *infoPtr)
{
return infoPtr->isUnicode;
}
static LRESULT WINAPI
MONTHCAL_WindowProc(HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
{
MONTHCAL_INFO *infoPtr;
TRACE("hwnd=%p msg=%x wparam=%lx lparam=%lx\n", hwnd, uMsg, wParam, lParam);
infoPtr = MONTHCAL_GetInfoPtr(hwnd);
if (!infoPtr && (uMsg != WM_CREATE))
return DefWindowProcW(hwnd, uMsg, wParam, lParam);
switch(uMsg)
{
case MCM_GETCURSEL:
return MONTHCAL_GetCurSel(infoPtr, (LPSYSTEMTIME)lParam);
case MCM_SETCURSEL:
return MONTHCAL_SetCurSel(infoPtr, (LPSYSTEMTIME)lParam);
case MCM_GETMAXSELCOUNT:
return MONTHCAL_GetMaxSelCount(infoPtr);
case MCM_SETMAXSELCOUNT:
return MONTHCAL_SetMaxSelCount(infoPtr, wParam);
case MCM_GETSELRANGE:
return MONTHCAL_GetSelRange(infoPtr, (LPSYSTEMTIME)lParam);
case MCM_SETSELRANGE:
return MONTHCAL_SetSelRange(infoPtr, (LPSYSTEMTIME)lParam);
case MCM_GETMONTHRANGE:
return MONTHCAL_GetMonthRange(infoPtr, wParam, (SYSTEMTIME*)lParam);
case MCM_SETDAYSTATE:
return MONTHCAL_SetDayState(infoPtr, (INT)wParam, (LPMONTHDAYSTATE)lParam);
case MCM_GETMINREQRECT:
return MONTHCAL_GetMinReqRect(infoPtr, (LPRECT)lParam);
case MCM_GETCOLOR:
return MONTHCAL_GetColor(infoPtr, wParam);
case MCM_SETCOLOR:
return MONTHCAL_SetColor(infoPtr, wParam, (COLORREF)lParam);
case MCM_GETTODAY:
return MONTHCAL_GetToday(infoPtr, (LPSYSTEMTIME)lParam);
case MCM_SETTODAY:
return MONTHCAL_SetToday(infoPtr, (LPSYSTEMTIME)lParam);
case MCM_HITTEST:
return MONTHCAL_HitTest(infoPtr, (PMCHITTESTINFO)lParam);
case MCM_GETFIRSTDAYOFWEEK:
return MONTHCAL_GetFirstDayOfWeek(infoPtr);
case MCM_SETFIRSTDAYOFWEEK:
return MONTHCAL_SetFirstDayOfWeek(infoPtr, (INT)lParam);
case MCM_GETRANGE:
return MONTHCAL_GetRange(infoPtr, (LPSYSTEMTIME)lParam);
case MCM_SETRANGE:
return MONTHCAL_SetRange(infoPtr, (SHORT)wParam, (LPSYSTEMTIME)lParam);
case MCM_GETMONTHDELTA:
return MONTHCAL_GetMonthDelta(infoPtr);
case MCM_SETMONTHDELTA:
return MONTHCAL_SetMonthDelta(infoPtr, wParam);
case MCM_GETMAXTODAYWIDTH:
return MONTHCAL_GetMaxTodayWidth(infoPtr);
case MCM_SETUNICODEFORMAT:
return MONTHCAL_SetUnicodeFormat(infoPtr, (BOOL)wParam);
case MCM_GETUNICODEFORMAT:
return MONTHCAL_GetUnicodeFormat(infoPtr);
case WM_GETDLGCODE:
return DLGC_WANTARROWS | DLGC_WANTCHARS;
case WM_RBUTTONUP:
return MONTHCAL_RButtonUp(infoPtr, lParam);
case WM_LBUTTONDOWN:
return MONTHCAL_LButtonDown(infoPtr, lParam);
case WM_MOUSEMOVE:
return MONTHCAL_MouseMove(infoPtr, lParam);
case WM_LBUTTONUP:
return MONTHCAL_LButtonUp(infoPtr, lParam);
case WM_PAINT:
return MONTHCAL_Paint(infoPtr, (HDC)wParam);
case WM_PRINTCLIENT:
return MONTHCAL_PrintClient(infoPtr, (HDC)wParam, (DWORD)lParam);
case WM_ERASEBKGND:
return MONTHCAL_EraseBkgnd(infoPtr, (HDC)wParam);
case WM_SETFOCUS:
return MONTHCAL_SetFocus(infoPtr);
case WM_SIZE:
return MONTHCAL_Size(infoPtr, (SHORT)LOWORD(lParam), (SHORT)HIWORD(lParam));
case WM_NOTIFY:
return MONTHCAL_Notify(infoPtr, (NMHDR*)lParam);
case WM_CREATE:
return MONTHCAL_Create(hwnd, (LPCREATESTRUCTW)lParam);
case WM_SETFONT:
return MONTHCAL_SetFont(infoPtr, (HFONT)wParam, (BOOL)lParam);
case WM_GETFONT:
return MONTHCAL_GetFont(infoPtr);
case WM_TIMER:
return MONTHCAL_Timer(infoPtr, wParam);
case WM_THEMECHANGED:
return theme_changed (infoPtr);
case WM_DESTROY:
return MONTHCAL_Destroy(infoPtr);
case WM_SYSCOLORCHANGE:
COMCTL32_RefreshSysColors();
return 0;
case WM_STYLECHANGED:
return MONTHCAL_StyleChanged(infoPtr, wParam, (LPSTYLESTRUCT)lParam);
case WM_STYLECHANGING:
return MONTHCAL_StyleChanging(infoPtr, wParam, (LPSTYLESTRUCT)lParam);
default:
if ((uMsg >= WM_USER) && (uMsg < WM_APP) && !COMCTL32_IsReflectedMessage(uMsg))
ERR( "unknown msg %04x wp=%08lx lp=%08lx\n", uMsg, wParam, lParam);
return DefWindowProcW(hwnd, uMsg, wParam, lParam);
}
}
void
MONTHCAL_Register(void)
{
WNDCLASSW wndClass;
ZeroMemory(&wndClass, sizeof(WNDCLASSW));
wndClass.style = CS_GLOBALCLASS;
wndClass.lpfnWndProc = MONTHCAL_WindowProc;
wndClass.cbClsExtra = 0;
wndClass.cbWndExtra = sizeof(MONTHCAL_INFO *);
wndClass.hCursor = LoadCursorW(0, (LPWSTR)IDC_ARROW);
wndClass.hbrBackground = (HBRUSH)(COLOR_WINDOW + 1);
wndClass.lpszClassName = MONTHCAL_CLASSW;
RegisterClassW(&wndClass);
}
void
MONTHCAL_Unregister(void)
{
UnregisterClassW(MONTHCAL_CLASSW, NULL);
}
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