X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/9e3cb9eefcb4e8d2d1fb45ad028468547ecc6ad9..a949e8fac2666418b2a6eb15e94959563cf8aad6:/src/common/textcmn.cpp diff --git a/src/common/textcmn.cpp b/src/common/textcmn.cpp index 4d0f086530..de9a68979c 100644 --- a/src/common/textcmn.cpp +++ b/src/common/textcmn.cpp @@ -12,10 +12,11 @@ // ============================================================================ // declarations // ============================================================================ + #ifdef __GNUG__ #pragma implementation "textctrlbase.h" #endif - + // for compilers that support precompilation, includes "wx.h". #include "wx/wxprec.h" @@ -23,6 +24,8 @@ #pragma hdrstop #endif +#if wxUSE_TEXTCTRL + #ifndef WX_PRECOMP #include "wx/intl.h" #include "wx/log.h" @@ -43,36 +46,64 @@ // implementation // ============================================================================ +IMPLEMENT_DYNAMIC_CLASS(wxTextUrlEvent, wxCommandEvent) + +DEFINE_EVENT_TYPE(wxEVT_COMMAND_TEXT_UPDATED) +DEFINE_EVENT_TYPE(wxEVT_COMMAND_TEXT_ENTER) +DEFINE_EVENT_TYPE(wxEVT_COMMAND_TEXT_URL) +DEFINE_EVENT_TYPE(wxEVT_COMMAND_TEXT_MAXLEN) + // ---------------------------------------------------------------------------- // ctor // ---------------------------------------------------------------------------- wxTextCtrlBase::wxTextCtrlBase() { -#ifndef NO_TEXT_WINDOW_STREAM - #if wxUSE_IOSTREAMH - if (allocate()) - setp(base(),ebuf()); - #else - m_streambuf=new char[64]; - setp(m_streambuf,m_streambuf+64); - #endif //wxUSE_IOSTREAMH -#endif // NO_TEXT_WINDOW_STREAM } wxTextCtrlBase::~wxTextCtrlBase() { -#ifndef NO_TEXT_WINDOW_STREAM -#if !wxUSE_IOSTREAMH - delete[] m_streambuf; -#endif -#endif } // ---------------------------------------------------------------------------- // style functions - not implemented here // ---------------------------------------------------------------------------- +/* static */ +wxTextAttr wxTextAttr::Combine(const wxTextAttr& attr, + const wxTextAttr& attrDef, + const wxTextCtrlBase *text) +{ + wxFont font = attr.GetFont(); + if ( !font.Ok() ) + { + font = attrDef.GetFont(); + + if ( text && !font.Ok() ) + font = text->GetFont(); + } + + wxColour colFg = attr.GetTextColour(); + if ( !colFg.Ok() ) + { + colFg = attrDef.GetTextColour(); + + if ( text && !colFg.Ok() ) + colFg = text->GetForegroundColour(); + } + + wxColour colBg = attr.GetBackgroundColour(); + if ( !colBg.Ok() ) + { + colBg = attrDef.GetBackgroundColour(); + + if ( text && !colBg.Ok() ) + colBg = text->GetBackgroundColour(); + } + + return wxTextAttr(colFg, colBg, font); +} + // apply styling to text range bool wxTextCtrlBase::SetStyle(long WXUNUSED(start), long WXUNUSED(end), const wxTextAttr& WXUNUSED(style)) @@ -82,9 +113,16 @@ bool wxTextCtrlBase::SetStyle(long WXUNUSED(start), long WXUNUSED(end), } // change default text attributes -bool wxTextCtrlBase::SetDefaultStyle(const wxTextAttr &style) +bool wxTextCtrlBase::SetDefaultStyle(const wxTextAttr& style) { - m_defaultStyle = style; + // keep the old attributes if the new style doesn't specify them unless the + // new style is empty - then reset m_defaultStyle (as there is no other way + // to do it) + if ( style.IsDefault() ) + m_defaultStyle = style; + else + m_defaultStyle = wxTextAttr::Combine(style, m_defaultStyle, this); + return TRUE; } @@ -100,6 +138,7 @@ const wxTextAttr& wxTextCtrlBase::GetDefaultStyle() const bool wxTextCtrlBase::LoadFile(const wxString& filename) { +#if wxUSE_FFILE wxFFile file(filename); if ( file.IsOpened() ) { @@ -117,6 +156,7 @@ bool wxTextCtrlBase::LoadFile(const wxString& filename) } wxLogError(_("File couldn't be loaded.")); +#endif // wxUSE_FFILE return FALSE; } @@ -132,6 +172,7 @@ bool wxTextCtrlBase::SaveFile(const wxString& filename) return FALSE; } +#if wxUSE_FFILE wxFFile file(filename, "w"); if ( file.IsOpened() && file.Write(GetValue()) ) { @@ -144,6 +185,7 @@ bool wxTextCtrlBase::SaveFile(const wxString& filename) } wxLogError(_("The text couldn't be saved.")); +#endif // wxUSE_FFILE return FALSE; } @@ -201,34 +243,153 @@ wxTextCtrl& wxTextCtrlBase::operator<<(const wxChar c) #ifndef NO_TEXT_WINDOW_STREAM -int wxTextCtrlBase::overflow( int WXUNUSED(c) ) +int wxTextCtrlBase::overflow(int c) { - int len = pptr() - pbase(); - char *txt = new char[len+1]; - strncpy(txt, pbase(), len); - txt[len] = '\0'; - (*this) << txt; - setp(pbase(), epptr()); - delete[] txt; - return EOF; + AppendText((wxChar)c); + + // return something different from EOF + return 0; } -int wxTextCtrlBase::sync() +#endif // NO_TEXT_WINDOW_STREAM + +// ---------------------------------------------------------------------------- +// clipboard stuff +// ---------------------------------------------------------------------------- + +bool wxTextCtrlBase::CanCopy() const { - int len = pptr() - pbase(); - char *txt = new char[len+1]; - strncpy(txt, pbase(), len); - txt[len] = '\0'; - (*this) << txt; - setp(pbase(), epptr()); - delete[] txt; - return 0; + // can copy if there's a selection + long from, to; + GetSelection(&from, &to); + return from != to; } -int wxTextCtrlBase::underflow() +bool wxTextCtrlBase::CanCut() const { - return EOF; + // can cut if there's a selection and if we're not read only + return CanCopy() && IsEditable(); } -#endif // NO_TEXT_WINDOW_STREAM +bool wxTextCtrlBase::CanPaste() const +{ + // can paste if we are not read only + return IsEditable(); +} + +// ---------------------------------------------------------------------------- +// emulating key presses +// ---------------------------------------------------------------------------- + +bool wxTextCtrlBase::EmulateKeyPress(const wxKeyEvent& event) +{ + // the generic version is unused in wxMSW +#ifndef __WIN32__ + wxChar ch; + int keycode = event.GetKeyCode(); + switch ( keycode ) + { + case WXK_NUMPAD0: + case WXK_NUMPAD1: + case WXK_NUMPAD2: + case WXK_NUMPAD3: + case WXK_NUMPAD4: + case WXK_NUMPAD5: + case WXK_NUMPAD6: + case WXK_NUMPAD7: + case WXK_NUMPAD8: + case WXK_NUMPAD9: + ch = _T('0') + keycode - WXK_NUMPAD0; + break; + + case WXK_MULTIPLY: + case WXK_NUMPAD_MULTIPLY: + ch = _T('*'); + break; + + case WXK_ADD: + case WXK_NUMPAD_ADD: + ch = _T('+'); + break; + + case WXK_SUBTRACT: + case WXK_NUMPAD_SUBTRACT: + ch = _T('-'); + break; + + case WXK_DECIMAL: + case WXK_NUMPAD_DECIMAL: + ch = _T('.'); + break; + + case WXK_DIVIDE: + case WXK_NUMPAD_DIVIDE: + ch = _T('/'); + break; + + default: + if ( keycode < 256 && keycode >= 0 && wxIsprint(keycode) ) + { + // FIXME this is not going to work for non letters... + if ( !event.ShiftDown() ) + { + keycode = wxTolower(keycode); + } + + ch = (wxChar)keycode; + } + else + { + ch = _T('\0'); + } + } + + if ( ch ) + { + WriteText(ch); + + return TRUE; + } +#endif // !__WIN32__ + + return FALSE; +} + +// ---------------------------------------------------------------------------- +// selection and ranges +// ---------------------------------------------------------------------------- + +void wxTextCtrlBase::SelectAll() +{ + SetSelection(0, GetLastPosition()); +} + +wxString wxTextCtrlBase::GetStringSelection() const +{ + long from, to; + GetSelection(&from, &to); + + return GetRange(from, to); +} + +wxString wxTextCtrlBase::GetRange(long from, long to) const +{ + wxString sel; + if ( from < to ) + { + sel = GetValue().Mid(from, to - from); + } + + return sel; +} + +#else // !wxUSE_TEXTCTRL + +// define this one even if !wxUSE_TEXTCTRL because it is also used by other +// controls (wxComboBox and wxSpinCtrl) +#include "wx/event.h" + +DEFINE_EVENT_TYPE(wxEVT_COMMAND_TEXT_UPDATED) + +#endif // wxUSE_TEXTCTRL/!wxUSE_TEXTCTRL