wxWidgets/include/wx/msw/private/button.h
Vadim Zeitlin b18ebec956 Make wxBU_EXACTFIT fir the button text more exactly.
Too big margins were added for the buttons with wxBU_EXACTFIT style making
them larger than strictly necessary. Reduce the margins to make them really
as small as possible.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@68922 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
2011-08-27 14:11:28 +00:00

78 lines
2.4 KiB
C++

///////////////////////////////////////////////////////////////////////////////
// Name: wx/msw/private/button.h
// Purpose: helper functions used with native BUTTON control
// Author: Vadim Zeitlin
// Created: 2008-06-07
// RCS-ID: $Id$
// Copyright: (c) 2008 Vadim Zeitlin <vadim@wxwidgets.org>
// Licence: wxWindows licence
///////////////////////////////////////////////////////////////////////////////
#ifndef _WX_MSW_PRIVATE_BUTTON_H_
#define _WX_MSW_PRIVATE_BUTTON_H_
// define some standard button constants which may be missing in the headers
#ifndef BS_PUSHLIKE
#define BS_PUSHLIKE 0x00001000L
#endif
#ifndef BST_UNCHECKED
#define BST_UNCHECKED 0x0000
#endif
#ifndef BST_CHECKED
#define BST_CHECKED 0x0001
#endif
#ifndef BST_INDETERMINATE
#define BST_INDETERMINATE 0x0002
#endif
namespace wxMSWButton
{
// returns BS_MULTILINE if the label contains new lines or 0 otherwise
inline int GetMultilineStyle(const wxString& label)
{
return label.find(wxT('\n')) == wxString::npos ? 0 : BS_MULTILINE;
}
// update the style of the specified HWND to include or exclude BS_MULTILINE
// depending on whether the label contains the new lines
void UpdateMultilineStyle(HWND hwnd, const wxString& label);
// flags for ComputeBestSize() and GetFittingSize()
enum
{
Size_AuthNeeded = 1,
Size_ExactFit = 2
};
// NB: All the functions below are implemented in src/msw/button.cpp
// Compute the button size (as if wxBU_EXACTFIT were specified, i.e. without
// adjusting it to be of default size if it's smaller) for the given label size
WXDLLIMPEXP_CORE wxSize
GetFittingSize(wxWindow *win, const wxSize& sizeLabel, int flags = 0);
// Compute the button size (as if wxBU_EXACTFIT were specified) by computing
// its label size and then calling GetFittingSize().
wxSize ComputeBestFittingSize(wxControl *btn, int flags = 0);
// Increase the size passed as parameter to be at least the standard button
// size if the control doesn't have wxBU_EXACTFIT style and also cache it as
// the best size and return its value -- this is used in DoGetBestSize()
// implementation.
wxSize IncreaseToStdSizeAndCache(wxControl *btn, const wxSize& size);
// helper of wxToggleButton::DoGetBestSize()
inline wxSize ComputeBestSize(wxControl *btn, int flags = 0)
{
return IncreaseToStdSizeAndCache(btn, ComputeBestFittingSize(btn, flags));
}
} // namespace wxMSWButton
#endif // _WX_MSW_PRIVATE_BUTTON_H_