3294b9a63a
This results in non-intuitive behaviour, as the controls with this style still get resized after changing their label, so don't do it. See https://groups.google.com/d/msg/wx-dev/58xFP4FIxXc/hm5WO0xNBwAJ
292 lines
8.6 KiB
C++
292 lines
8.6 KiB
C++
/////////////////////////////////////////////////////////////////////////////
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// Name: src/common/stattextcmn.cpp
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// Purpose: common (to all ports) wxStaticText functions
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// Author: Vadim Zeitlin, Francesco Montorsi
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// Created: 2007-01-07 (extracted from dlgcmn.cpp)
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// Copyright: (c) 1999-2006 Vadim Zeitlin
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// (c) 2007 Francesco Montorsi
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// Licence: wxWindows licence
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/////////////////////////////////////////////////////////////////////////////
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// ============================================================================
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// declarations
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// ============================================================================
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// ----------------------------------------------------------------------------
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// headers
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// ----------------------------------------------------------------------------
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// For compilers that support precompilation, includes "wx.h".
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#include "wx/wxprec.h"
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#ifdef __BORLANDC__
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#pragma hdrstop
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#endif
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#if wxUSE_STATTEXT
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#ifndef WX_PRECOMP
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#include "wx/stattext.h"
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#include "wx/button.h"
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#include "wx/dcclient.h"
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#include "wx/intl.h"
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#include "wx/log.h"
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#include "wx/settings.h"
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#include "wx/sizer.h"
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#include "wx/containr.h"
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#endif
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#include "wx/textwrapper.h"
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#include "wx/private/markupparser.h"
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#include <algorithm>
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extern WXDLLEXPORT_DATA(const char) wxStaticTextNameStr[] = "staticText";
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// ----------------------------------------------------------------------------
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// XTI
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// ----------------------------------------------------------------------------
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wxDEFINE_FLAGS( wxStaticTextStyle )
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wxBEGIN_FLAGS( wxStaticTextStyle )
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// new style border flags, we put them first to
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// use them for streaming out
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wxFLAGS_MEMBER(wxBORDER_SIMPLE)
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wxFLAGS_MEMBER(wxBORDER_SUNKEN)
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wxFLAGS_MEMBER(wxBORDER_DOUBLE)
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wxFLAGS_MEMBER(wxBORDER_RAISED)
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wxFLAGS_MEMBER(wxBORDER_STATIC)
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wxFLAGS_MEMBER(wxBORDER_NONE)
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// old style border flags
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wxFLAGS_MEMBER(wxSIMPLE_BORDER)
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wxFLAGS_MEMBER(wxSUNKEN_BORDER)
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wxFLAGS_MEMBER(wxDOUBLE_BORDER)
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wxFLAGS_MEMBER(wxRAISED_BORDER)
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wxFLAGS_MEMBER(wxSTATIC_BORDER)
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wxFLAGS_MEMBER(wxBORDER)
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// standard window styles
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wxFLAGS_MEMBER(wxTAB_TRAVERSAL)
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wxFLAGS_MEMBER(wxCLIP_CHILDREN)
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wxFLAGS_MEMBER(wxTRANSPARENT_WINDOW)
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wxFLAGS_MEMBER(wxWANTS_CHARS)
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wxFLAGS_MEMBER(wxFULL_REPAINT_ON_RESIZE)
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wxFLAGS_MEMBER(wxALWAYS_SHOW_SB )
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wxFLAGS_MEMBER(wxVSCROLL)
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wxFLAGS_MEMBER(wxHSCROLL)
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wxFLAGS_MEMBER(wxST_NO_AUTORESIZE)
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wxFLAGS_MEMBER(wxALIGN_LEFT)
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wxFLAGS_MEMBER(wxALIGN_RIGHT)
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wxFLAGS_MEMBER(wxALIGN_CENTRE)
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wxEND_FLAGS( wxStaticTextStyle )
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wxIMPLEMENT_DYNAMIC_CLASS_XTI(wxStaticText, wxControl, "wx/stattext.h");
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wxBEGIN_PROPERTIES_TABLE(wxStaticText)
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wxPROPERTY( Label,wxString, SetLabel, GetLabel, wxString(), 0 /*flags*/, \
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wxT("Helpstring"), wxT("group"))
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wxPROPERTY_FLAGS( WindowStyle, wxStaticTextStyle, long, SetWindowStyleFlag, \
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GetWindowStyleFlag, wxEMPTY_PARAMETER_VALUE, 0 /*flags*/, \
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wxT("Helpstring"), wxT("group")) // style
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wxEND_PROPERTIES_TABLE()
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wxEMPTY_HANDLERS_TABLE(wxStaticText)
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wxCONSTRUCTOR_6( wxStaticText, wxWindow*, Parent, wxWindowID, Id, \
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wxString, Label, wxPoint, Position, wxSize, Size, long, WindowStyle )
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// ----------------------------------------------------------------------------
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// wxTextWrapper
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// ----------------------------------------------------------------------------
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void wxTextWrapper::Wrap(wxWindow *win, const wxString& text, int widthMax)
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{
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const wxClientDC dc(win);
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const wxArrayString ls = wxSplit(text, '\n', '\0');
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for ( wxArrayString::const_iterator i = ls.begin(); i != ls.end(); ++i )
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{
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wxString line = *i;
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if ( i != ls.begin() )
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{
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// Do this even if the line is empty, except if it's the first one.
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OnNewLine();
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}
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// Is this a special case when wrapping is disabled?
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if ( widthMax < 0 )
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{
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DoOutputLine(line);
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continue;
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}
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for ( bool newLine = false; !line.empty(); newLine = true )
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{
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if ( newLine )
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OnNewLine();
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wxArrayInt widths;
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dc.GetPartialTextExtents(line, widths);
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const size_t posEnd = std::lower_bound(widths.begin(),
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widths.end(),
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widthMax) - widths.begin();
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// Does the entire remaining line fit?
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if ( posEnd == line.length() )
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{
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DoOutputLine(line);
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break;
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}
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// Find the last word to chop off.
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const size_t lastSpace = line.rfind(' ', posEnd);
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if ( lastSpace == wxString::npos )
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{
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// No spaces, so can't wrap.
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DoOutputLine(line);
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break;
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}
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// Output the part that fits.
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DoOutputLine(line.substr(0, lastSpace));
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// And redo the layout with the rest.
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line = line.substr(lastSpace + 1);
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}
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}
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}
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// ----------------------------------------------------------------------------
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// wxLabelWrapper: helper class for wxStaticTextBase::Wrap()
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// ----------------------------------------------------------------------------
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class wxLabelWrapper : public wxTextWrapper
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{
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public:
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void WrapLabel(wxWindow *text, int widthMax)
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{
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m_text.clear();
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Wrap(text, text->GetLabel(), widthMax);
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text->SetLabel(m_text);
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}
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protected:
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virtual void OnOutputLine(const wxString& line) wxOVERRIDE
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{
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m_text += line;
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}
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virtual void OnNewLine() wxOVERRIDE
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{
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m_text += wxT('\n');
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}
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private:
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wxString m_text;
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};
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// ----------------------------------------------------------------------------
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// wxStaticTextBase
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// ----------------------------------------------------------------------------
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void wxStaticTextBase::Wrap(int width)
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{
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wxLabelWrapper wrapper;
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wrapper.WrapLabel(this, width);
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}
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void wxStaticTextBase::AutoResizeIfNecessary()
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{
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// This flag is specifically used to prevent the control from resizing even
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// when its label changes.
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if ( HasFlag(wxST_NO_AUTORESIZE) )
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return;
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// This method is only called if either the label or the font changed, i.e.
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// if the label extent changed, so the best size is not the same neither
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// any more.
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//
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// Note that we don't invalidate it when wxST_NO_AUTORESIZE is on because
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// this would result in the control being effectively resized during the
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// next Layout() and this style is used expressly to prevent this from
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// happening.
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InvalidateBestSize();
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SetSize(GetBestSize());
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}
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// ----------------------------------------------------------------------------
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// wxStaticTextBase - generic implementation for wxST_ELLIPSIZE_* support
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// ----------------------------------------------------------------------------
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void wxStaticTextBase::UpdateLabel()
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{
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if (!IsEllipsized())
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return;
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wxString newlabel = GetEllipsizedLabel();
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// we need to touch the "real" label (i.e. the text set inside the control,
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// using port-specific functions) instead of the string returned by GetLabel().
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//
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// In fact, we must be careful not to touch the original label passed to
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// SetLabel() otherwise GetLabel() will behave in a strange way to the user
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// (e.g. returning a "Ver...ing" instead of "Very long string") !
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if (newlabel == DoGetLabel())
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return;
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DoSetLabel(newlabel);
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}
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wxString wxStaticTextBase::GetEllipsizedLabel() const
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{
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// this function should be used only by ports which do not support
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// ellipsis in static texts: we first remove markup (which cannot
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// be handled safely by Ellipsize()) and then ellipsize the result.
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wxString ret(m_labelOrig);
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if (IsEllipsized())
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ret = Ellipsize(ret);
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return ret;
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}
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wxString wxStaticTextBase::Ellipsize(const wxString& label) const
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{
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wxSize sz(GetSize());
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if (sz.GetWidth() < 2 || sz.GetHeight() < 2)
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{
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// the size of this window is not valid (yet)
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return label;
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}
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wxClientDC dc(const_cast<wxStaticTextBase*>(this));
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dc.SetFont(GetFont());
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wxEllipsizeMode mode;
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if ( HasFlag(wxST_ELLIPSIZE_START) )
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mode = wxELLIPSIZE_START;
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else if ( HasFlag(wxST_ELLIPSIZE_MIDDLE) )
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mode = wxELLIPSIZE_MIDDLE;
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else if ( HasFlag(wxST_ELLIPSIZE_END) )
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mode = wxELLIPSIZE_END;
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else
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{
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wxFAIL_MSG( "should only be called if have one of wxST_ELLIPSIZE_XXX" );
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return label;
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}
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return wxControl::Ellipsize(label, dc, mode, sz.GetWidth());
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}
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#endif // wxUSE_STATTEXT
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