X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/fe3d9123c6968b452a95133c635069d6f7ae8ea5..b404a8f3b072129c107c6d9a5e0f6f53cd34807b:/src/msw/stattext.cpp?ds=sidebyside diff --git a/src/msw/stattext.cpp b/src/msw/stattext.cpp index 5248292eea..f7ced7f939 100644 --- a/src/msw/stattext.cpp +++ b/src/msw/stattext.cpp @@ -9,10 +9,6 @@ // Licence: wxWindows licence ///////////////////////////////////////////////////////////////////////////// -#ifdef __GNUG__ -#pragma implementation "stattext.h" -#endif - // For compilers that support precompilation, includes "wx.h". #include "wx/wxprec.h" @@ -22,17 +18,17 @@ #if wxUSE_STATTEXT +#include "wx/stattext.h" + #ifndef WX_PRECOMP -#include "wx/event.h" -#include "wx/app.h" -#include "wx/brush.h" + #include "wx/event.h" + #include "wx/app.h" + #include "wx/brush.h" + #include "wx/dcclient.h" + #include "wx/settings.h" #endif -#include "wx/stattext.h" #include "wx/msw/private.h" -#include - -IMPLEMENT_DYNAMIC_CLASS(wxStaticText, wxControl) bool wxStaticText::Create(wxWindow *parent, wxWindowID id, @@ -42,17 +38,27 @@ bool wxStaticText::Create(wxWindow *parent, long style, const wxString& name) { - // By default, a static text should have no border. - if ((style & wxBORDER_MASK) == wxBORDER_DEFAULT) - style |= wxBORDER_NONE; - if ( !CreateControl(parent, id, pos, size, style, wxDefaultValidator, name) ) - return FALSE; + return false; + + if ( !MSWCreateControl(wxT("STATIC"), wxEmptyString, pos, size) ) + return false; + + // we set the label here and not through MSWCreateControl() because we + // need to do many operation on it for ellipsization&markup support + SetLabel(label); - if ( !MSWCreateControl(wxT("STATIC"), label, pos, size) ) - return FALSE; + // as we didn't pass the correct label to MSWCreateControl(), it didn't set + // the initial size correctly -- do it now + InvalidateBestSize(); + SetInitialSize(size); - return TRUE; + // NOTE: if the label contains ampersand characters which are interpreted as + // accelerators, they will be rendered (at least on WinXP) only if the + // static text is placed inside a window class which correctly handles + // focusing by TAB traversal (e.g. wxPanel). + + return true; } WXDWORD wxStaticText::MSWGetStyle(long style, WXDWORD *exstyle) const @@ -70,114 +76,159 @@ WXDWORD wxStaticText::MSWGetStyle(long style, WXDWORD *exstyle) const else msStyle |= SS_LEFT; +#ifdef SS_ENDELLIPSIS + // this style is necessary to receive mouse events + // Win NT and later have the SS_ENDELLIPSIS style which is useful to us: + if (wxGetOsVersion() == wxOS_WINDOWS_NT) + { + // for now, add the SS_ENDELLIPSIS style if wxST_ELLIPSIZE_END is given; + // we may need to remove it later in ::SetLabel() if the given label + // has newlines + if ( style & wxST_ELLIPSIZE_END ) + msStyle |= SS_ENDELLIPSIS; + } +#endif // SS_ENDELLIPSIS + + msStyle |= SS_NOTIFY; + return msStyle; } -wxSize wxStaticText::DoGetBestSize() const +wxSize wxStaticText::DoGetBestClientSize() const { - wxString text(wxGetWindowText(GetHWND())); - - int widthTextMax = 0, widthLine, - heightTextTotal = 0, heightLineDefault = 0, heightLine = 0; - - bool lastWasAmpersand = FALSE; - - wxString curLine; - for ( const wxChar *pc = text; ; pc++ ) - { - if ( *pc == wxT('\n') || *pc == wxT('\0') ) - { - if ( !curLine ) - { - // we can't use GetTextExtent - it will return 0 for both width - // and height and an empty line should count in height - // calculation - if ( !heightLineDefault ) - heightLineDefault = heightLine; - if ( !heightLineDefault ) - GetTextExtent(_T("W"), NULL, &heightLineDefault); - - heightTextTotal += heightLineDefault; - } - else - { - GetTextExtent(curLine, &widthLine, &heightLine); - if ( widthLine > widthTextMax ) - widthTextMax = widthLine; - heightTextTotal += heightLine; - } - - if ( *pc == wxT('\n') ) - { - curLine.Empty(); - } - else - { - // the end of string - break; - } - } - else - { - // we shouldn't take into account the '&' which just introduces the - // mnemonic characters and so are not shown on the screen -- except - // when it is preceded by another '&' in which case it stands for a - // literal ampersand - if ( *pc == _T('&') ) - { - if ( !lastWasAmpersand ) - { - lastWasAmpersand = TRUE; - - // skip the statement adding pc to curLine below - continue; - } - - // it is a literal ampersand - lastWasAmpersand = FALSE; - } - - curLine += *pc; - } - } + wxClientDC dc(const_cast(this)); + wxFont font(GetFont()); + if (!font.IsOk()) + font = wxSystemSettings::GetFont(wxSYS_DEFAULT_GUI_FONT); + + dc.SetFont(font); + + wxCoord widthTextMax, heightTextTotal; + dc.GetMultiLineTextExtent(GetLabelText(), &widthTextMax, &heightTextTotal); + +#ifdef __WXWINCE__ + if ( widthTextMax ) + widthTextMax += 2; +#endif // __WXWINCE__ + + // It looks like the static control needs "slightly" more vertical space + // than the character height and while the text isn't actually truncated if + // we use just the minimal height, it is positioned differently than when + // the control has enough space and this result in the text in edit and + // static controls not being aligned when the controls themselves are. As + // this is something you really should be able to count on, increase the + // space allocated for the control so that the base lines do align + // correctly. Notice that while the above is true at least for the single + // line controls, there doesn't seem to do any harm to allocate two extra + // pixels in multi-line case neither so do it always for consistency. + // + // I still have no idea why exactly is this needed nor why should we use 2 + // and not something else. This seems to work in all the configurations + // though (small/large fonts, different OS versions, ...) so just hard code + // it for now. If we need something better later it might be worth looking + // at the height of the text control returned by ::GetComboBoxInfo() as it + // seems to be the "minimal acceptable" height. + heightTextTotal += 2; return wxSize(widthTextMax, heightTextTotal); } void wxStaticText::DoSetSize(int x, int y, int w, int h, int sizeFlags) { - // we need to refresh the window after changing its size as the standard - // control doesn't always update itself properly + // note: we first need to set the size and _then_ call UpdateLabel wxStaticTextBase::DoSetSize(x, y, w, h, sizeFlags); +#ifdef SS_ENDELLIPSIS + // do we need to ellipsize the contents? + long styleReal = ::GetWindowLong(GetHwnd(), GWL_STYLE); + if ( !(styleReal & SS_ENDELLIPSIS) ) + { + // we don't have SS_ENDELLIPSIS style: + // we need to (eventually) do ellipsization ourselves + UpdateLabel(); + } + //else: we don't or the OS will do it for us +#endif // SS_ENDELLIPSIS + + // we need to refresh the window after changing its size as the standard + // control doesn't always update itself properly Refresh(); } void wxStaticText::SetLabel(const wxString& label) { - wxStaticTextBase::SetLabel(label); +#ifdef SS_ENDELLIPSIS + long styleReal = ::GetWindowLong(GetHwnd(), GWL_STYLE); + if ( HasFlag(wxST_ELLIPSIZE_END) && + wxGetOsVersion() == wxOS_WINDOWS_NT ) + { + // adding SS_ENDELLIPSIS or SS_ENDELLIPSIS "disables" the correct + // newline handling in static texts: the newlines in the labels are + // shown as square. Thus we don't use it even on newer OS when + // the static label contains a newline. + if ( label.Contains(wxT('\n')) ) + styleReal &= ~SS_ENDELLIPSIS; + else + styleReal |= SS_ENDELLIPSIS; + + ::SetWindowLong(GetHwnd(), GWL_STYLE, styleReal); + } + else // style not supported natively + { + styleReal &= ~SS_ENDELLIPSIS; + ::SetWindowLong(GetHwnd(), GWL_STYLE, styleReal); + } +#endif // SS_ENDELLIPSIS + + // save the label in m_labelOrig with both the markup (if any) and + // the mnemonics characters (if any) + m_labelOrig = label; + +#ifdef SS_ENDELLIPSIS + if ( styleReal & SS_ENDELLIPSIS ) + DoSetLabel(GetLabel()); + else +#endif // SS_ENDELLIPSIS + DoSetLabel(GetEllipsizedLabel()); // adjust the size of the window to fit to the label unless autoresizing is // disabled - if ( !(GetWindowStyle() & wxST_NO_AUTORESIZE) ) + if ( !HasFlag(wxST_NO_AUTORESIZE) && + !IsEllipsized() ) // if ellipsize is ON, then we don't want to get resized! { - DoSetSize(-1, -1, -1, -1, wxSIZE_AUTO_WIDTH | wxSIZE_AUTO_HEIGHT); + InvalidateBestSize(); + DoSetSize(wxDefaultCoord, wxDefaultCoord, wxDefaultCoord, wxDefaultCoord, + wxSIZE_AUTO_WIDTH | wxSIZE_AUTO_HEIGHT); } } - bool wxStaticText::SetFont(const wxFont& font) { bool ret = wxControl::SetFont(font); // adjust the size of the window to fit to the label unless autoresizing is // disabled - if ( !(GetWindowStyle() & wxST_NO_AUTORESIZE) ) + if ( !HasFlag(wxST_NO_AUTORESIZE) ) { - DoSetSize(-1, -1, -1, -1, wxSIZE_AUTO_WIDTH | wxSIZE_AUTO_HEIGHT); + InvalidateBestSize(); + DoSetSize(wxDefaultCoord, wxDefaultCoord, wxDefaultCoord, wxDefaultCoord, + wxSIZE_AUTO_WIDTH | wxSIZE_AUTO_HEIGHT); } return ret; } +// for wxST_ELLIPSIZE_* support: + +wxString wxStaticText::DoGetLabel() const +{ + return wxGetWindowText(GetHwnd()); +} + +void wxStaticText::DoSetLabel(const wxString& str) +{ + SetWindowText(GetHwnd(), str.c_str()); +} + + #endif // wxUSE_STATTEXT