include/wx/msw/private/button.h

   1 ///////////////////////////////////////////////////////////////////////////////
   2 // Name:        msw/private/button.h
   3 // Purpose:     helper functions used with native BUTTON control
   4 // Author:      Vadim Zeitlin
   5 // Created:     2008-06-07
   6 // RCS-ID:      $Id$
   7 // Copyright:   (c) 2008 Vadim Zeitlin <vadim@wxwidgets.org>
   8 // Licence:     wxWindows licence
   9 ///////////////////////////////////////////////////////////////////////////////
  10
  11 #ifndef _WX_MSW_PRIVATE_BUTTON_H_
  12 #define _WX_MSW_PRIVATE_BUTTON_H_
  13
  14 // define some standard button constants which may be missing in the headers
  15 #ifndef BS_PUSHLIKE
  16     #define BS_PUSHLIKE 0x00001000L
  17 #endif
  18
  19 #ifndef BST_UNCHECKED
  20     #define BST_UNCHECKED 0x0000
  21 #endif
  22
  23 #ifndef BST_CHECKED
  24     #define BST_CHECKED 0x0001
  25 #endif
  26
  27 #ifndef BST_INDETERMINATE
  28     #define BST_INDETERMINATE 0x0002
  29 #endif
  30
  31 #ifndef DT_HIDEPREFIX
  32     #define DT_HIDEPREFIX 0x00100000
  33 #endif
  34
  35 namespace wxMSWButton
  36 {
  37
  38 // returns BS_MULTILINE if the label contains new lines or 0 otherwise
  39 inline int GetMultilineStyle(const wxString& label)
  40 {
  41     return label.find(wxT('\n')) == wxString::npos ? 0 : BS_MULTILINE;
  42 }
  43
  44 // update the style of the specified HWND to include or exclude BS_MULTILINE
  45 // depending on whether the label contains the new lines
  46 void UpdateMultilineStyle(HWND hwnd, const wxString& label);
  47
  48 // flags for ComputeBestSize() and GetFittingSize()
  49 enum
  50 {
  51     Size_AuthNeeded = 1
  52 };
  53
  54 // common implementation of wxButton and wxToggleButton::DoGetBestSize()
  55 // (implemented in src/msw/button.cpp)
  56 wxSize ComputeBestSize(wxControl *btn, int flags = 0);
  57
  58 // compute the button size (as if wxBU_EXACTFIT were specified, i.e. without
  59 // adjusting it to be of default size if it's smaller) for the given label size
  60 wxSize GetFittingSize(wxWindow *win, const wxSize& sizeLabel, int flags = 0);
  61
  62 } // namespace wxMSWButton
  63
  64 #endif // _WX_MSW_PRIVATE_BUTTON_H_
  65