void wxSpinCtrl::DoGetClientSize(int *x, int *y) const
{
RECT spinrect = wxGetClientRect(GetHwnd());
RECT textrect = wxGetClientRect(GetBuddyHwnd());
RECT ctrlrect;
UnionRect(&ctrlrect,&textrect, &spinrect);
if ( x )
*x = ctrlrect.right - ctrlrect.left;
if ( y )
*y = ctrlrect.bottom - ctrlrect.top;
}
int wxListBox::GetCountPerPage() const
{
const LRESULT lineHeight = SendMessage(GetHwnd(), LB_GETITEMHEIGHT, 0, 0);
if ( lineHeight == LB_ERR || lineHeight == 0 )
return -1;
const RECT r = wxGetClientRect(GetHwnd());
return (r.bottom - r.top) / lineHeight;
}
wxSize wxHeaderCtrl::DoGetBestSize() const
{
RECT rc = wxGetClientRect(GetHwndOf(GetParent()));
WINDOWPOS wpos;
HDLAYOUT layout = { &rc, &wpos };
if ( !Header_Layout(GetHwnd(), &layout) )
{
wxLogLastError(wxT("Header_Layout"));
return wxControl::DoGetBestSize();
}
return wxSize(wpos.cx, wpos.cy);
}
void wxMessageDialog::AdjustButtonLabels()
{
// changing the button labels is the easy part but we also need to ensure
// that the buttons are big enough for the label strings and increase their
// size (and maybe the size of the message box itself) if they are not
// TODO-RTL: check whether this works correctly in RTL
// we want to use this font in GetTextExtent() calls below but we don't
// want to send WM_SETFONT to the message box, who knows how is it going to
// react to it (right now it doesn't seem to do anything but what if this
// changes)
wxWindowBase::SetFont(GetMessageFont());
// first iteration: find the widest button and update the buttons labels
int wBtnOld = 0, // current buttons width
wBtnNew = 0; // required new buttons width
RECT rcBtn; // stores the button height and y positions
unsigned numButtons = 0; // total number of buttons in the message box
unsigned n;
for ( n = 0; n < WXSIZEOF(ms_buttons); n++ )
{
const HWND hwndBtn = ::GetDlgItem(GetHwnd(), ms_buttons[n].id);
if ( !hwndBtn )
continue; // it's ok, not all buttons are always present
numButtons++;
const wxString label = (this->*ms_buttons[n].getter)();
const wxSize sizeLabel = wxWindowBase::GetTextExtent(label);
// check if the button is big enough for this label
const RECT rc = wxGetWindowRect(hwndBtn);
if ( !wBtnOld )
{
// initialize wBtnOld using the first button width, all the other
// ones should have the same one
wBtnOld = rc.right - rc.left;
rcBtn = rc; // remember for use below when we reposition the buttons
}
else
{
wxASSERT_MSG( wBtnOld == rc.right - rc.left,
"all buttons are supposed to be of same width" );
}
const int widthNeeded = wxMSWButton::GetFittingSize(this, sizeLabel).x;
if ( widthNeeded > wBtnNew )
wBtnNew = widthNeeded;
::SetWindowText(hwndBtn, label.wx_str());
}
if ( wBtnNew <= wBtnOld )
{
// all buttons fit, nothing else to do
return;
}
// resize the message box to be wider if needed
const int wBoxOld = wxGetClientRect(GetHwnd()).right;
const int CHAR_WIDTH = GetCharWidth();
const int MARGIN_OUTER = 2*CHAR_WIDTH; // margin between box and buttons
const int MARGIN_INNER = CHAR_WIDTH; // margin between buttons
RECT rcBox = wxGetWindowRect(GetHwnd());
const int wAllButtons = numButtons*(wBtnNew + MARGIN_INNER) - MARGIN_INNER;
int wBoxNew = 2*MARGIN_OUTER + wAllButtons;
if ( wBoxNew > wBoxOld )
{
const int dw = wBoxNew - wBoxOld;
rcBox.left -= dw/2;
rcBox.right += dw - dw/2;
SetWindowRect(GetHwnd(), rcBox);
// surprisingly, we don't need to resize the static text control, it
// seems to adjust itself to the new size, at least under Windows 2003
// (TODO: test if this happens on older Windows versions)
}
else // the current width is big enough
{
wBoxNew = wBoxOld;
}
// finally position all buttons
// notice that we have to take into account the difference between window
// and client width
rcBtn.left = (rcBox.left + rcBox.right - wxGetClientRect(GetHwnd()).right +
wBoxNew - wAllButtons) / 2;
rcBtn.right = rcBtn.left + wBtnNew;
for ( n = 0; n < WXSIZEOF(ms_buttons); n++ )
{
const HWND hwndBtn = ::GetDlgItem(GetHwnd(), ms_buttons[n].id);
if ( !hwndBtn )
continue;
MoveWindowToScreenRect(hwndBtn, rcBtn);
rcBtn.left += wBtnNew + MARGIN_INNER;
rcBtn.right += wBtnNew + MARGIN_INNER;
}
}