X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/65bc172c9776514d64ced1317709202ee4123cd8..f4998a1cc6cf4783a46fbeee4e75a0808b8afe21:/src/msw/textctrl.cpp?ds=sidebyside diff --git a/src/msw/textctrl.cpp b/src/msw/textctrl.cpp index 1c63618df5..e96a9b03e3 100644 --- a/src/msw/textctrl.cpp +++ b/src/msw/textctrl.cpp @@ -13,7 +13,7 @@ // declarations // ============================================================================ -#ifdef __GNUG__ +#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA) #pragma implementation "textctrl.h" #endif @@ -52,10 +52,14 @@ #include #include "wx/msw/private.h" +#include "wx/msw/winundef.h" #include #include + +#ifndef __WXWINCE__ #include +#endif #if wxUSE_RICHEDIT @@ -69,16 +73,6 @@ #endif // wxUSE_RICHEDIT -// ---------------------------------------------------------------------------- -// private functions -// ---------------------------------------------------------------------------- - -#if wxUSE_RICHEDIT - -DWORD CALLBACK wxRichEditStreamIn(DWORD dwCookie, BYTE *buf, LONG cb, LONG *pcb); - -#endif // wxUSE_RICHEDIT - // ---------------------------------------------------------------------------- // private classes // ---------------------------------------------------------------------------- @@ -112,7 +106,75 @@ IMPLEMENT_DYNAMIC_CLASS(wxRichEditModule, wxModule) // event tables and other macros // ---------------------------------------------------------------------------- +#if wxUSE_EXTENDED_RTTI +WX_DEFINE_FLAGS( wxTextCtrlStyle ) + +wxBEGIN_FLAGS( wxTextCtrlStyle ) + // new style border flags, we put them first to + // use them for streaming out + wxFLAGS_MEMBER(wxBORDER_SIMPLE) + wxFLAGS_MEMBER(wxBORDER_SUNKEN) + wxFLAGS_MEMBER(wxBORDER_DOUBLE) + wxFLAGS_MEMBER(wxBORDER_RAISED) + wxFLAGS_MEMBER(wxBORDER_STATIC) + wxFLAGS_MEMBER(wxBORDER_NONE) + + // old style border flags + wxFLAGS_MEMBER(wxSIMPLE_BORDER) + wxFLAGS_MEMBER(wxSUNKEN_BORDER) + wxFLAGS_MEMBER(wxDOUBLE_BORDER) + wxFLAGS_MEMBER(wxRAISED_BORDER) + wxFLAGS_MEMBER(wxSTATIC_BORDER) + wxFLAGS_MEMBER(wxBORDER) + + // standard window styles + wxFLAGS_MEMBER(wxTAB_TRAVERSAL) + wxFLAGS_MEMBER(wxCLIP_CHILDREN) + wxFLAGS_MEMBER(wxTRANSPARENT_WINDOW) + wxFLAGS_MEMBER(wxWANTS_CHARS) + wxFLAGS_MEMBER(wxFULL_REPAINT_ON_RESIZE) + wxFLAGS_MEMBER(wxALWAYS_SHOW_SB ) + wxFLAGS_MEMBER(wxVSCROLL) + wxFLAGS_MEMBER(wxHSCROLL) + + wxFLAGS_MEMBER(wxTE_PROCESS_ENTER) + wxFLAGS_MEMBER(wxTE_PROCESS_TAB) + wxFLAGS_MEMBER(wxTE_MULTILINE) + wxFLAGS_MEMBER(wxTE_PASSWORD) + wxFLAGS_MEMBER(wxTE_READONLY) + wxFLAGS_MEMBER(wxHSCROLL) + wxFLAGS_MEMBER(wxTE_RICH) + wxFLAGS_MEMBER(wxTE_RICH2) + wxFLAGS_MEMBER(wxTE_AUTO_URL) + wxFLAGS_MEMBER(wxTE_NOHIDESEL) + wxFLAGS_MEMBER(wxTE_LEFT) + wxFLAGS_MEMBER(wxTE_CENTRE) + wxFLAGS_MEMBER(wxTE_RIGHT) + wxFLAGS_MEMBER(wxTE_DONTWRAP) + wxFLAGS_MEMBER(wxTE_LINEWRAP) + wxFLAGS_MEMBER(wxTE_WORDWRAP) + +wxEND_FLAGS( wxTextCtrlStyle ) + +IMPLEMENT_DYNAMIC_CLASS_XTI(wxTextCtrl, wxControl,"wx/textctrl.h") + +wxBEGIN_PROPERTIES_TABLE(wxTextCtrl) + wxEVENT_PROPERTY( TextUpdated , wxEVT_COMMAND_TEXT_UPDATED , wxCommandEvent ) + wxEVENT_PROPERTY( TextEnter , wxEVT_COMMAND_TEXT_ENTER , wxCommandEvent ) + + wxPROPERTY( Font , wxFont , SetFont , GetFont ,, 0 /*flags*/ , wxT("Helpstring") , wxT("group") ) + wxPROPERTY( Value , wxString , SetValue, GetValue, wxString() , 0 /*flags*/ , wxT("Helpstring") , wxT("group")) + wxPROPERTY_FLAGS( WindowStyle , wxTextCtrlStyle , long , SetWindowStyleFlag , GetWindowStyleFlag , , 0 /*flags*/ , wxT("Helpstring") , wxT("group")) // style +wxEND_PROPERTIES_TABLE() + +wxBEGIN_HANDLERS_TABLE(wxTextCtrl) +wxEND_HANDLERS_TABLE() + +wxCONSTRUCTOR_6( wxTextCtrl , wxWindow* , Parent , wxWindowID , Id , wxString , Value , wxPoint , Position , wxSize , Size , long , WindowStyle) +#else IMPLEMENT_DYNAMIC_CLASS(wxTextCtrl, wxControl) +#endif + BEGIN_EVENT_TABLE(wxTextCtrl, wxControl) EVT_CHAR(wxTextCtrl::OnChar) @@ -140,6 +202,8 @@ BEGIN_EVENT_TABLE(wxTextCtrl, wxControl) #ifdef __WIN16__ EVT_ERASE_BACKGROUND(wxTextCtrl::OnEraseBackground) #endif + + EVT_SET_FOCUS(wxTextCtrl::OnSetFocus) END_EVENT_TABLE() // ============================================================================ @@ -158,6 +222,7 @@ void wxTextCtrl::Init() m_privateContextMenu = NULL; m_suppressNextUpdate = FALSE; + m_isNativeCaretShown = true; } wxTextCtrl::~wxTextCtrl() @@ -389,11 +454,12 @@ WXDWORD wxTextCtrl::MSWGetStyle(long style, WXDWORD *exstyle) const msStyle |= ES_AUTOHSCROLL; } - // styles which we add depending on the specified wxWindows styles - if ( style & wxHSCROLL ) + // note that wxTE_DONTWRAP is the same as wxHSCROLL so if we have a horz + // scrollbar, there is no wrapping -- which makes sense + if ( style & wxTE_DONTWRAP ) { // automatically scroll the control horizontally as necessary - msStyle |= WS_HSCROLL;// | ES_AUTOHSCROLL; + msStyle |= WS_HSCROLL; } if ( style & wxTE_READONLY ) @@ -411,7 +477,7 @@ WXDWORD wxTextCtrl::MSWGetStyle(long style, WXDWORD *exstyle) const else if ( style & wxTE_RIGHT ) msStyle |= ES_RIGHT; else - msStyle |= ES_LEFT; // ES_LEFT if 0 as well but for consistency... + msStyle |= ES_LEFT; // ES_LEFT is 0 as well but for consistency... return msStyle; } @@ -461,30 +527,63 @@ wxString wxTextCtrl::GetRange(long from, long to) const int len = GetWindowTextLength(GetHwnd()); if ( len > from ) { - // alloc one extra WORD as needed by the control - wxChar *p = str.GetWriteBuf(++len); + if ( to == -1 ) + to = len; - TEXTRANGE textRange; - textRange.chrg.cpMin = from; - textRange.chrg.cpMax = to == -1 ? len : to; - textRange.lpstrText = p; +#if !wxUSE_UNICODE + // we must use EM_STREAMOUT if we don't want to lose all characters + // not representable in the current character set (EM_GETTEXTRANGE + // simply replaces them with question marks...) + // + // as EM_STREAMOUT only works for the entire controls contents (or + // just the selection but it's probably a bad idea to play games + // with selection here...), we can't use it unless we're called + // from GetValue(), i.e. we want to retrieve all text + if ( GetRichVersion() > 1 && (from == 0 && to >= len) ) + { + wxFont font = m_defaultStyle.GetFont(); + if ( !font.Ok() ) + font = GetFont(); - (void)SendMessage(GetHwnd(), EM_GETTEXTRANGE, 0, (LPARAM)&textRange); + if ( font.Ok() ) + { + wxFontEncoding encoding = font.GetEncoding(); + if ( encoding != wxFONTENCODING_SYSTEM ) + { + str = StreamOut(encoding); + } + } + } - if ( m_verRichEdit > 1 ) + // StreamOut() wasn't used or failed, try to do it in normal way + if ( str.empty() ) +#endif // !wxUSE_UNICODE { - // RichEdit 2.0 uses just CR ('\r') for the newlines which is - // neither Unix nor Windows style - convert it to something - // reasonable - for ( ; *p; p++ ) + // alloc one extra WORD as needed by the control + wxStringBuffer tmp(str, ++len); + wxChar *p = tmp; + + TEXTRANGE textRange; + textRange.chrg.cpMin = from; + textRange.chrg.cpMax = to; + textRange.lpstrText = p; + + (void)SendMessage(GetHwnd(), EM_GETTEXTRANGE, + 0, (LPARAM)&textRange); + + if ( m_verRichEdit > 1 ) { - if ( *p == _T('\r') ) - *p = _T('\n'); + // RichEdit 2.0 uses just CR ('\r') for the + // newlines which is neither Unix nor Windows + // style - convert it to something reasonable + for ( ; *p; p++ ) + { + if ( *p == _T('\r') ) + *p = _T('\n'); + } } } - str.UngetWriteBuf(); - if ( m_verRichEdit == 1 ) { // convert to the canonical form - see comment below @@ -524,6 +623,11 @@ void wxTextCtrl::SetValue(const wxString& value) { DoWriteText(value, FALSE /* not selection only */); } + else // same text + { + // still send an event for consistency + SendUpdateEvent(); + } // we should reset the modified flag even if the value didn't really change @@ -537,12 +641,17 @@ void wxTextCtrl::SetValue(const wxString& value) #if wxUSE_RICHEDIT && (!wxUSE_UNICODE || wxUSE_UNICODE_MSLU) -DWORD CALLBACK wxRichEditStreamIn(DWORD dwCookie, BYTE *buf, LONG cb, LONG *pcb) +// TODO: using memcpy() would improve performance a lot for big amounts of text + +DWORD CALLBACK +wxRichEditStreamIn(DWORD dwCookie, BYTE *buf, LONG cb, LONG *pcb) { *pcb = 0; + const wchar_t ** const ppws = (const wchar_t **)dwCookie; + wchar_t *wbuf = (wchar_t *)buf; - const wchar_t *wpc = *(const wchar_t **)dwCookie; + const wchar_t *wpc = *ppws; while ( cb && *wpc ) { *wbuf++ = *wpc++; @@ -551,56 +660,64 @@ DWORD CALLBACK wxRichEditStreamIn(DWORD dwCookie, BYTE *buf, LONG cb, LONG *pcb) (*pcb) += sizeof(wchar_t); } - *(const wchar_t **)dwCookie = wpc; + *ppws = wpc; + + return 0; +} + +DWORD CALLBACK +wxRichEditStreamOut(DWORD dwCookie, BYTE *buf, LONG cb, LONG *pcb) +{ + *pcb = 0; + + wchar_t ** const ppws = (wchar_t **)dwCookie; + + const wchar_t *wbuf = (const wchar_t *)buf; + wchar_t *wpc = *ppws; + while ( cb && *wpc ) + { + *wpc++ = *wbuf++; + + cb -= sizeof(wchar_t); + (*pcb) += sizeof(wchar_t); + } + + *ppws = wpc; return 0; } -// from utils.cpp -extern WXDLLIMPEXP_BASE long wxEncodingToCodepage(wxFontEncoding encoding); #if wxUSE_UNICODE_MSLU -bool wxTextCtrl::StreamIn(const wxString& value, - wxFontEncoding WXUNUSED(encoding), - bool selectionOnly) + #define UNUSED_IF_MSLU(param) +#else + #define UNUSED_IF_MSLU(param) param +#endif + +bool +wxTextCtrl::StreamIn(const wxString& value, + wxFontEncoding UNUSED_IF_MSLU(encoding), + bool selectionOnly) { +#if wxUSE_UNICODE_MSLU const wchar_t *wpc = value.c_str(); #else // !wxUSE_UNICODE_MSLU -bool wxTextCtrl::StreamIn(const wxString& value, - wxFontEncoding encoding, - bool selectionOnly) -{ - // we have to use EM_STREAMIN to force richedit control 2.0+ to show any - // text in the non default charset -- otherwise it thinks it knows better - // than we do and always shows it in the default one - - // first get the Windows code page for this encoding - long codepage = wxEncodingToCodepage(encoding); - if ( codepage == -1 ) - { - // unknown encoding - return FALSE; - } + wxCSConv conv(encoding); - // next translate to Unicode using this code page - int len = ::MultiByteToWideChar(codepage, 0, value, -1, NULL, 0); + const size_t len = conv.MB2WC(NULL, value, value.length()); #if wxUSE_WCHAR_T wxWCharBuffer wchBuf(len); + wchar_t *wpc = wchBuf.data(); #else wchar_t *wchBuf = (wchar_t *)malloc((len + 1)*sizeof(wchar_t)); + wchar_t *wpc = wchBuf; #endif - if ( !::MultiByteToWideChar(codepage, 0, value, -1, - (wchar_t *)(const wchar_t *)wchBuf, len) ) - { - wxLogLastError(_T("MultiByteToWideChar")); - } - - // finally, stream it in the control - const wchar_t *wpc = wchBuf; + conv.MB2WC(wpc, value, value.length()); #endif // wxUSE_UNICODE_MSLU + // finally, stream it in the control EDITSTREAM eds; wxZeroMemory(eds); eds.dwCookie = (DWORD)&wpc; @@ -633,6 +750,61 @@ bool wxTextCtrl::StreamIn(const wxString& value, return TRUE; } +#if !wxUSE_UNICODE_MSLU + +wxString +wxTextCtrl::StreamOut(wxFontEncoding encoding, bool selectionOnly) const +{ + wxString out; + + const int len = GetWindowTextLength(GetHwnd()); + +#if wxUSE_WCHAR_T + wxWCharBuffer wchBuf(len); + wchar_t *wpc = wchBuf.data(); +#else + wchar_t *wchBuf = (wchar_t *)malloc((len + 1)*sizeof(wchar_t)); + wchar_t *wpc = wchBuf; +#endif + + EDITSTREAM eds; + wxZeroMemory(eds); + eds.dwCookie = (DWORD)&wpc; + eds.pfnCallback = wxRichEditStreamOut; + + ::SendMessage + ( + GetHwnd(), + EM_STREAMOUT, + SF_TEXT | SF_UNICODE | (selectionOnly ? SFF_SELECTION : 0), + (LPARAM)&eds + ); + + if ( eds.dwError ) + { + wxLogLastError(_T("EM_STREAMOUT")); + } + else // streamed out ok + { + // now convert to the given encoding (this is a lossful conversion but + // what else can we do) + wxCSConv conv(encoding); + size_t lenNeeded = conv.WC2MB(NULL, wchBuf, len); + if ( lenNeeded ) + { + conv.WC2MB(wxStringBuffer(out, lenNeeded), wchBuf, len); + } + } + +#if !wxUSE_WCHAR_T + free(wchBuf); +#endif // !wxUSE_WCHAR_T + + return out; +} + +#endif // !wxUSE_UNICODE_MSLU + #endif // wxUSE_RICHEDIT void wxTextCtrl::WriteText(const wxString& value) @@ -684,6 +856,10 @@ void wxTextCtrl::DoWriteText(const wxString& value, bool selectionOnly) wxFontEncoding encoding = font.GetEncoding(); if ( encoding != wxFONTENCODING_SYSTEM ) { + // we have to use EM_STREAMIN to force richedit control 2.0+ + // to show any text in the non default charset -- otherwise + // it thinks it knows better than we do and always shows it + // in the default one done = StreamIn(valueDos, encoding, selectionOnly); } } @@ -749,7 +925,7 @@ void wxTextCtrl::AppendText(const wxString& text) void wxTextCtrl::Clear() { - ::SetWindowText(GetHwnd(), wxT("")); + ::SetWindowText(GetHwnd(), wxEmptyString); #if wxUSE_RICHEDIT if ( !IsRich() ) @@ -1064,7 +1240,7 @@ void wxTextCtrl::Replace(long from, long to, const wxString& value) void wxTextCtrl::Remove(long from, long to) { - Replace(from, to, _T("")); + Replace(from, to, wxEmptyString); } bool wxTextCtrl::LoadFile(const wxString& file) @@ -1085,7 +1261,11 @@ bool wxTextCtrl::IsModified() const return SendMessage(GetHwnd(), EM_GETMODIFY, 0, 0) != 0; } -// Makes 'unmodified' +void wxTextCtrl::MarkDirty() +{ + SendMessage(GetHwnd(), EM_SETMODIFY, TRUE, 0L); +} + void wxTextCtrl::DiscardEdits() { SendMessage(GetHwnd(), EM_SETMODIFY, FALSE, 0L); @@ -1189,13 +1369,36 @@ wxString wxTextCtrl::GetLineText(long lineNo) const len += sizeof(WORD); wxString str; - wxChar *buf = str.GetWriteBuf(len); + { + wxStringBufferLength tmp(str, len); + wxChar *buf = tmp; - *(WORD *)buf = (WORD)len; - len = (size_t)::SendMessage(GetHwnd(), EM_GETLINE, lineNo, (LPARAM)buf); - buf[len] = 0; + *(WORD *)buf = (WORD)len; + len = (size_t)::SendMessage(GetHwnd(), EM_GETLINE, lineNo, (LPARAM)buf); - str.UngetWriteBuf(len); +#if wxUSE_RICHEDIT + if ( IsRich() ) + { + // remove the '\r' returned by the rich edit control, the user code + // should never see it + if ( buf[len - 2] == _T('\r') && buf[len - 1] == _T('\n') ) + { + buf[len - 2] = _T('\n'); + len--; + } + } +#endif // wxUSE_RICHEDIT + + // remove the '\n' at the end, if any (this is how this function is + // supposed to work according to the docs) + if ( buf[len - 1] == _T('\n') ) + { + len--; + } + + buf[len] = 0; + tmp.SetLength(len); + } return str; } @@ -1236,6 +1439,27 @@ bool wxTextCtrl::CanRedo() const return ::SendMessage(GetHwnd(), EM_CANUNDO, 0, 0) != 0; } +// ---------------------------------------------------------------------------- +// caret handling (Windows only) +// ---------------------------------------------------------------------------- + +bool wxTextCtrl::ShowNativeCaret(bool show) +{ + if ( show != m_isNativeCaretShown ) + { + if ( !(show ? ::ShowCaret(GetHwnd()) : ::HideCaret(GetHwnd())) ) + { + // not an error, may simply indicate that it's not shown/hidden + // yet (i.e. it had been hidden/showh 2 times before) + return false; + } + + m_isNativeCaretShown = show; + } + + return true; +} + // ---------------------------------------------------------------------------- // implemenation details // ---------------------------------------------------------------------------- @@ -1483,11 +1707,6 @@ WXHBRUSH wxTextCtrl::OnCtlColor(WXHDC pDC, WXHWND WXUNUSED(pWnd), WXUINT WXUNUSE #endif // wxUSE_CTL3D HDC hdc = (HDC)pDC; - if (GetParent()->GetTransparentBackground()) - SetBkMode(hdc, TRANSPARENT); - else - SetBkMode(hdc, OPAQUE); - wxColour colBack = GetBackgroundColour(); if (!IsEnabled() && (GetWindowStyle() & wxTE_MULTILINE) == 0) @@ -1636,7 +1855,7 @@ void wxTextCtrl::OnRedo(wxCommandEvent& WXUNUSED(event)) Redo(); } -void wxTextCtrl::OnDelete(wxCommandEvent& event) +void wxTextCtrl::OnDelete(wxCommandEvent& WXUNUSED(event)) { long from, to; GetSelection(& from, & to); @@ -1644,7 +1863,7 @@ void wxTextCtrl::OnDelete(wxCommandEvent& event) Remove(from, to); } -void wxTextCtrl::OnSelectAll(wxCommandEvent& event) +void wxTextCtrl::OnSelectAll(wxCommandEvent& WXUNUSED(event)) { SetSelection(-1, -1); } @@ -1712,6 +1931,15 @@ void wxTextCtrl::OnRightClick(wxMouseEvent& event) event.Skip(); } +void wxTextCtrl::OnSetFocus(wxFocusEvent& WXUNUSED(event)) +{ + // be sure the caret remains invisible if the user had hidden it + if ( !m_isNativeCaretShown ) + { + ::HideCaret(GetHwnd()); + } +} + // the rest of the file only deals with the rich edit controls #if wxUSE_RICHEDIT @@ -1807,7 +2035,7 @@ bool wxTextCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result) } return TRUE; } - + // not processed, leave it to the base class return wxTextCtrlBase::MSWOnNotify(idCtrl, lParam, result); } @@ -2235,6 +2463,7 @@ void wxRichEditModule::OnExit() if ( ms_hRichEdit[i] ) { ::FreeLibrary(ms_hRichEdit[i]); + ms_hRichEdit[i] = NULL; } } }