internal override UiaCore.IRawElementProviderFragment ElementProviderFromPoint(double x, double y)
{
int innerX = (int)x;
int innerY = (int)y;
MCHITTESTINFO hitTestInfo = GetHitTestInfo(innerX, innerY);
switch ((MCHT)hitTestInfo.uHit)
{
case MCHT.TITLEBTNPREV:
return(GetCalendarChildAccessibleObject(_calendarIndex, CalendarChildType.PreviousButton));
case MCHT.TITLEBTNNEXT:
return(GetCalendarChildAccessibleObject(_calendarIndex, CalendarChildType.NextButton));
case MCHT.TITLE:
case MCHT.TITLEMONTH:
case MCHT.TITLEYEAR:
return(GetCalendarChildAccessibleObject(_calendarIndex, CalendarChildType.CalendarHeader));
case MCHT.CALENDARDAY:
case MCHT.CALENDARWEEKNUM:
case MCHT.CALENDARDATE:
// Get calendar body's child.
CalendarBodyAccessibleObject calendarBodyAccessibleObject = (CalendarBodyAccessibleObject)GetCalendarChildAccessibleObject(_calendarIndex, CalendarChildType.CalendarBody);
return(calendarBodyAccessibleObject.GetFromPoint(hitTestInfo));
case MCHT.TODAYLINK:
return(GetCalendarChildAccessibleObject(_calendarIndex, CalendarChildType.TodayLink));
}
return(base.ElementProviderFromPoint(x, y));
}
internal MonthCalendarChildAccessibleObject GetChildFromPoint(MCHITTESTINFO hitTestInfo)
{
if (!_monthCalendarAccessibleObject.IsHandleCreated ||
CalendarBodyAccessibleObject.RowsAccessibleObjects is null)
{
return(this);
}
CalendarRowAccessibleObject?rowAccessibleObject = null;
foreach (CalendarRowAccessibleObject row in CalendarBodyAccessibleObject.RowsAccessibleObjects)
{
if (row.Row == hitTestInfo.iRow)
{
rowAccessibleObject = row;
break;
}
}
if (rowAccessibleObject is null)
{
return(this);
}
if (hitTestInfo.uHit == MCHT.CALENDARWEEKNUM)
{
return(rowAccessibleObject.WeekNumberCellAccessibleObject ?? (MonthCalendarChildAccessibleObject)this);
}
if (rowAccessibleObject.CellsAccessibleObjects is null)
{
return(this);
}
CalendarCellAccessibleObject?cellAccessibleObject = null;
foreach (CalendarCellAccessibleObject cell in rowAccessibleObject.CellsAccessibleObjects)
{
if (cell.Column == hitTestInfo.iCol)
{
cellAccessibleObject = cell;
break;
}
}
if (cellAccessibleObject is null)
{
return(this);
}
return(cellAccessibleObject);
}
public unsafe MCHITTESTINFO GetHitTestInfo(int xScreen, int yScreen)
{
Point point = new Point(xScreen, yScreen);
User32.MapWindowPoints(IntPtr.Zero, Handle, ref point, 1);
var hitTestInfo = new MCHITTESTINFO
{
cbSize = (uint)sizeof(MCHITTESTINFO),
pt = point,
st = new Kernel32.SYSTEMTIME()
};
User32.SendMessageW(_owner, (User32.WM)MCM.HITTEST, IntPtr.Zero, ref hitTestInfo);
return(hitTestInfo);
}
public ScenarioResult CalendarBodyAccessibleObject_GetFromPoint_ReturnsNull_IfMCHITTESTINFOIsIncorrect(TParams p)
{
using var wrapper = new MonthCalendarWrapper(this);
Application.DoEvents();
MonthCalendarAccessibleObject accessibleObject = (MonthCalendarAccessibleObject)wrapper.Calendar.AccessibilityObject;
CalendarBodyAccessibleObject bodyAccessibleObject = new CalendarBodyAccessibleObject(accessibleObject, 0);
MCHITTESTINFO info = new MCHITTESTINFO
{
uHit = MCHT.CALENDARDAY,
iRow = -10
};
Application.DoEvents();
CalendarChildAccessibleObject cell = bodyAccessibleObject.GetFromPoint(info);
return(new ScenarioResult(cell is null));
}
public ScenarioResult MonthCalendar_GetFromPoint_ReturnsCorrectValue(TParams p)
{
using var wrapper = new MonthCalendarWrapper(this);
Application.DoEvents();
MonthCalendarAccessibleObject accessibleObject = (MonthCalendarAccessibleObject)wrapper.Calendar.AccessibilityObject;
CalendarAccessibleObject calendarAccessibleObject = new CalendarAccessibleObject(accessibleObject, 0, "Test name");
MCHITTESTINFO info = new MCHITTESTINFO
{
uHit = MCHT.CALENDARDAY,
iRow = 0
};
Application.DoEvents();
MonthCalendarChildAccessibleObject cell = calendarAccessibleObject.GetChildFromPoint(info);
return(new ScenarioResult(cell != null));
}
internal override UiaCore.IRawElementProviderFragment?ElementProviderFromPoint(double x, double y)
{
int innerX = (int)x;
int innerY = (int)y;
if (!_owningMonthCalendar.IsHandleCreated)
{
return(base.ElementProviderFromPoint(x, y));
}
MCHITTESTINFO hitTestInfo = GetHitTestInfo(innerX, innerY);
// See "uHit" kinds in the MS doc:
// https://docs.microsoft.com/windows/win32/api/commctrl/ns-commctrl-mchittestinfo
return(hitTestInfo.uHit switch
{
MCHT.CALENDARCONTROL => this,
MCHT.TITLEBTNPREV or MCHT.PREV => PreviousButtonAccessibleObject,
MCHT.TITLEBTNNEXT or MCHT.NEXT => NextButtonAccessibleObject,
MCHT.CALENDARDATEMIN // The given point was over the minimum date in the calendar
=> CalendarsAccessibleObjects?.First?.Value is CalendarAccessibleObject firstCalendar &&
firstCalendar.Bounds.Contains(innerX, innerY)
? firstCalendar
: this,
MCHT.CALENDARDATEMAX // The given point was over the maximum date in the calendar
=> CalendarsAccessibleObjects?.Last?.Value is CalendarAccessibleObject lastCalendar &&
lastCalendar.Bounds.Contains(innerX, innerY)
? lastCalendar
: this,
MCHT.CALENDAR
// Cast "this" to AccessibleObject because "??" can't cast these operands implicitly
=> GetCalendarFromPoint(innerX, innerY) ?? (AccessibleObject)this,
MCHT.TODAYLINK => TodayLinkAccessibleObject,
MCHT.TITLE or MCHT.TITLEMONTH or MCHT.TITLEYEAR
// Cast "this" to AccessibleObject because "??" can't cast these operands implicitly
=> GetCalendarFromPoint(innerX, innerY)?.CalendarHeaderAccessibleObject ?? (AccessibleObject)this,
MCHT.CALENDARDAY or MCHT.CALENDARWEEKNUM or MCHT.CALENDARDATE
or MCHT.CALENDARDATEPREV or MCHT.CALENDARDATENEXT
// Get a calendar body's child.
// Cast "this" to AccessibleObject because "??" can't cast these operands implicitly
=> GetCalendarFromPoint(innerX, innerY)?.GetChildFromPoint(hitTestInfo) ?? (AccessibleObject)this,
MCHT.NOWHERE => this,
_ => base.ElementProviderFromPoint(x, y)
});
public CalendarChildAccessibleObject?GetFromPoint(MCHITTESTINFO hitTestInfo)
{
switch ((MCHT)hitTestInfo.uHit)
{
case MCHT.CALENDARDAY:
case MCHT.CALENDARWEEKNUM:
case MCHT.CALENDARDATE:
AccessibleObject?rowAccessibleObject = _calendarAccessibleObject.GetCalendarChildAccessibleObject(_calendarIndex, CalendarChildType.CalendarRow, this, hitTestInfo.iRow);
if (rowAccessibleObject is null)
{
return(null);
}
return(_calendarAccessibleObject.GetCalendarChildAccessibleObject(_calendarIndex, CalendarChildType.CalendarCell, rowAccessibleObject, hitTestInfo.iCol));
}
return(this);
}
