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77 lines
2.4 KiB
C++
77 lines
2.4 KiB
C++
///////////////////////////////////////////////////////////////////////////////
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// Name: wx/msw/private/button.h
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// Purpose: helper functions used with native BUTTON control
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// Author: Vadim Zeitlin
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// Created: 2008-06-07
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// RCS-ID: $Id: button.h 68922 2011-08-27 14:11:28Z VZ $
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// Copyright: (c) 2008 Vadim Zeitlin <vadim@wxwidgets.org>
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// Licence: wxWindows licence
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///////////////////////////////////////////////////////////////////////////////
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#ifndef _WX_MSW_PRIVATE_BUTTON_H_
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#define _WX_MSW_PRIVATE_BUTTON_H_
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// define some standard button constants which may be missing in the headers
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#ifndef BS_PUSHLIKE
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#define BS_PUSHLIKE 0x00001000L
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#endif
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#ifndef BST_UNCHECKED
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#define BST_UNCHECKED 0x0000
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#endif
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#ifndef BST_CHECKED
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#define BST_CHECKED 0x0001
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#endif
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#ifndef BST_INDETERMINATE
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#define BST_INDETERMINATE 0x0002
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#endif
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namespace wxMSWButton
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{
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// returns BS_MULTILINE if the label contains new lines or 0 otherwise
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inline int GetMultilineStyle(const wxString& label)
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{
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return label.find(wxT('\n')) == wxString::npos ? 0 : BS_MULTILINE;
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}
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// update the style of the specified HWND to include or exclude BS_MULTILINE
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// depending on whether the label contains the new lines
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void UpdateMultilineStyle(HWND hwnd, const wxString& label);
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// flags for ComputeBestSize() and GetFittingSize()
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enum
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{
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Size_AuthNeeded = 1,
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Size_ExactFit = 2
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};
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// NB: All the functions below are implemented in src/msw/button.cpp
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// Compute the button size (as if wxBU_EXACTFIT were specified, i.e. without
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// adjusting it to be of default size if it's smaller) for the given label size
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WXDLLIMPEXP_CORE wxSize
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GetFittingSize(wxWindow *win, const wxSize& sizeLabel, int flags = 0);
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// Compute the button size (as if wxBU_EXACTFIT were specified) by computing
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// its label size and then calling GetFittingSize().
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wxSize ComputeBestFittingSize(wxControl *btn, int flags = 0);
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// Increase the size passed as parameter to be at least the standard button
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// size if the control doesn't have wxBU_EXACTFIT style and also cache it as
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// the best size and return its value -- this is used in DoGetBestSize()
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// implementation.
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wxSize IncreaseToStdSizeAndCache(wxControl *btn, const wxSize& size);
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// helper of wxToggleButton::DoGetBestSize()
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inline wxSize ComputeBestSize(wxControl *btn, int flags = 0)
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{
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return IncreaseToStdSizeAndCache(btn, ComputeBestFittingSize(btn, flags));
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}
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} // namespace wxMSWButton
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#endif // _WX_MSW_PRIVATE_BUTTON_H_
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