X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/35821d8fe021a3aa3c59b50ad2c897616bf25da5..f8405d6e6fc2a361d9710dfdaea0b158952803aa:/src/msw/textctrl.cpp diff --git a/src/msw/textctrl.cpp b/src/msw/textctrl.cpp index 8b901fa107..6c52d71047 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 , EMPTY_MACROVALUE, 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 , EMPTY_MACROVALUE , 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) @@ -137,9 +199,8 @@ BEGIN_EVENT_TABLE(wxTextCtrl, wxControl) EVT_UPDATE_UI(wxID_REDO, wxTextCtrl::OnUpdateRedo) EVT_UPDATE_UI(wxID_CLEAR, wxTextCtrl::OnUpdateDelete) EVT_UPDATE_UI(wxID_SELECTALL, wxTextCtrl::OnUpdateSelectAll) -#ifdef __WIN16__ - EVT_ERASE_BACKGROUND(wxTextCtrl::OnEraseBackground) -#endif + + EVT_SET_FOCUS(wxTextCtrl::OnSetFocus) END_EVENT_TABLE() // ============================================================================ @@ -158,6 +219,7 @@ void wxTextCtrl::Init() m_privateContextMenu = NULL; m_suppressNextUpdate = FALSE; + m_isNativeCaretShown = true; } wxTextCtrl::~wxTextCtrl() @@ -177,6 +239,11 @@ bool wxTextCtrl::Create(wxWindow *parent, wxWindowID id, const wxValidator& validator, const wxString& name) { +#ifdef __WXWINCE__ + if ((style & wxBORDER_MASK) == 0) + style |= wxBORDER_SIMPLE; +#endif + // base initialization if ( !CreateBase(parent, id, pos, size, style, validator, name) ) return FALSE; @@ -389,11 +456,17 @@ 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; + // + // NB: ES_AUTOHSCROLL is needed for richedit controls or they don't + // show horz scrollbar at all, even in spite of WS_HSCROLL, and as + // it doesn't seem to do any harm for plain edit controls, add it + // always + msStyle |= WS_HSCROLL | ES_AUTOHSCROLL; } if ( style & wxTE_READONLY ) @@ -411,7 +484,7 @@ 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; } @@ -461,29 +534,77 @@ 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...) + if ( GetRichVersion() > 1 ) + { + // we must have some encoding, otherwise any 8bit chars in the + // control are simply *lost* (replaced by '?') + wxFontEncoding encoding = wxFONTENCODING_SYSTEM; - (void)SendMessage(GetHwnd(), EM_GETTEXTRANGE, 0, (LPARAM)&textRange); + wxFont font = m_defaultStyle.GetFont(); + if ( !font.Ok() ) + font = GetFont(); - if ( m_verRichEdit > 1 ) - { - // 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 ( font.Ok() ) + { + encoding = font.GetEncoding(); + } + + if ( encoding == wxFONTENCODING_SYSTEM ) + { + encoding = wxLocale::GetSystemEncoding(); + } + + if ( encoding == wxFONTENCODING_SYSTEM ) + { + encoding = wxFONTENCODING_ISO8859_1; + } + + str = StreamOut(encoding); + + if ( !str.empty() ) { - if ( *p == _T('\r') ) - *p = _T('\n'); + // we have to manually extract the required part, luckily + // this is easy in this case as EOL characters in str are + // just LFs because we remove CRs in wxRichEditStreamOut + str = str.Mid(from, to - from); } } - str.UngetWriteBuf(); + // StreamOut() wasn't used or failed, try to do it in normal way + if ( str.empty() ) +#endif // !wxUSE_UNICODE + { + // 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 ) + { + // 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'); + } + } + } if ( m_verRichEdit == 1 ) { @@ -523,6 +644,14 @@ void wxTextCtrl::SetValue(const wxString& value) if ( (value.length() > 0x400) || (value != GetValue()) ) { DoWriteText(value, FALSE /* not selection only */); + + // for compatibility, don't move the cursor when doing SetValue() + SetInsertionPoint(0); + } + else // same text + { + // still send an event for consistency + SendUpdateEvent(); } // we should reset the modified flag even if the value didn't really change @@ -530,19 +659,21 @@ void wxTextCtrl::SetValue(const wxString& value) // mark the control as being not dirty - we changed its text, not the // user DiscardEdits(); - - // for compatibility, don't move the cursor when doing SetValue() - SetInsertionPoint(0); } #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 +682,77 @@ DWORD CALLBACK wxRichEditStreamIn(DWORD dwCookie, BYTE *buf, LONG cb, LONG *pcb) (*pcb) += sizeof(wchar_t); } - *(const wchar_t **)dwCookie = wpc; + *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) +// helper struct used to pass parameters from wxTextCtrl to wxRichEditStreamOut +struct wxStreamOutData { - const wchar_t *wpc = value.c_str(); -#else // !wxUSE_UNICODE_MSLU -bool wxTextCtrl::StreamIn(const wxString& value, - wxFontEncoding encoding, - bool selectionOnly) + wchar_t *wpc; + size_t len; +}; + +DWORD CALLBACK +wxRichEditStreamOut(DWORD_PTR dwCookie, BYTE *buf, LONG cb, LONG *pcb) { - // 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 + *pcb = 0; - // first get the Windows code page for this encoding - long codepage = wxEncodingToCodepage(encoding); - if ( codepage == -1 ) + wxStreamOutData *data = (wxStreamOutData *)dwCookie; + + const wchar_t *wbuf = (const wchar_t *)buf; + wchar_t *wpc = data->wpc; + while ( cb ) { - // unknown encoding - return FALSE; + wchar_t wch = *wbuf++; + + // turn "\r\n" into "\n" on the fly + if ( wch != L'\r' ) + *wpc++ = wch; + else + data->len--; + + cb -= sizeof(wchar_t); + (*pcb) += sizeof(wchar_t); } - // next translate to Unicode using this code page - int len = ::MultiByteToWideChar(codepage, 0, value, -1, NULL, 0); + data->wpc = wpc; + + return 0; +} + + +#if wxUSE_UNICODE_MSLU + #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 + wxCSConv conv(encoding); + + 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 +785,69 @@ 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 + + wxStreamOutData data; + data.wpc = wpc; + data.len = len; + + EDITSTREAM eds; + wxZeroMemory(eds); + eds.dwCookie = (DWORD)&data; + 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 + { + // NUL-terminate the string because its length could have been + // decreased by wxRichEditStreamOut + *(wchBuf.data() + data.len) = L'\0'; + + // now convert to the given encoding (this is a possibly lossful + // conversion but what else can we do) + wxCSConv conv(encoding); + size_t lenNeeded = conv.WC2MB(NULL, wchBuf, 0); + if ( lenNeeded++ ) + { + conv.WC2MB(wxStringBuffer(out, lenNeeded), wchBuf, lenNeeded); + } + } + +#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 +899,10 @@ 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 +968,7 @@ void wxTextCtrl::AppendText(const wxString& text) void wxTextCtrl::Clear() { - ::SetWindowText(GetHwnd(), wxT("")); + ::SetWindowText(GetHwnd(), wxEmptyString); #if wxUSE_RICHEDIT if ( !IsRich() ) @@ -967,7 +1186,7 @@ bool wxTextCtrl::IsEditable() const void wxTextCtrl::SetSelection(long from, long to) { - // if from and to are both -1, it means (in wxWindows) that all text should + // if from and to are both -1, it means (in wxWidgets) that all text should // be selected - translate into Windows convention if ( (from == -1) && (to == -1) ) { @@ -982,7 +1201,6 @@ void wxTextCtrl::DoSetSelection(long from, long to, bool scrollCaret) { HWND hWnd = GetHwnd(); -#ifdef __WIN32__ #if wxUSE_RICHEDIT if ( IsRich() ) { @@ -1038,35 +1256,12 @@ void wxTextCtrl::DoSetSelection(long from, long to, bool scrollCaret) } #endif // wxUSE_RICHEDIT } -#else // Win16 - // WPARAM is 0: selection is scrolled into view - SendMessage(hWnd, EM_SETSEL, (WPARAM)0, (LPARAM)MAKELONG(from, to)); -#endif // Win32/16 } // ---------------------------------------------------------------------------- -// Editing +// Working with files // ---------------------------------------------------------------------------- -void wxTextCtrl::Replace(long from, long to, const wxString& value) -{ - // Set selection and remove it - DoSetSelection(from, to, FALSE /* don't scroll caret into view */); - - SendMessage(GetHwnd(), EM_REPLACESEL, -#ifdef __WIN32__ - TRUE, -#else - FALSE, -#endif - (LPARAM)value.c_str()); -} - -void wxTextCtrl::Remove(long from, long to) -{ - Replace(from, to, _T("")); -} - bool wxTextCtrl::LoadFile(const wxString& file) { if ( wxTextCtrlBase::LoadFile(file) ) @@ -1080,12 +1275,33 @@ bool wxTextCtrl::LoadFile(const wxString& file) return FALSE; } +// ---------------------------------------------------------------------------- +// Editing +// ---------------------------------------------------------------------------- + +void wxTextCtrl::Replace(long from, long to, const wxString& value) +{ + // Set selection and remove it + DoSetSelection(from, to, FALSE /* don't scroll caret into view */); + + DoWriteText(value, TRUE /* selection only */); +} + +void wxTextCtrl::Remove(long from, long to) +{ + Replace(from, to, wxEmptyString); +} + 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); @@ -1096,6 +1312,10 @@ int wxTextCtrl::GetNumberOfLines() const return (int)SendMessage(GetHwnd(), EM_GETLINECOUNT, (WPARAM)0, (LPARAM)0); } +// ---------------------------------------------------------------------------- +// Positions <-> coords +// ---------------------------------------------------------------------------- + long wxTextCtrl::XYToPosition(long x, long y) const { // This gets the char index for the _beginning_ of this line @@ -1143,6 +1363,99 @@ bool wxTextCtrl::PositionToXY(long pos, long *x, long *y) const return TRUE; } +wxTextCtrlHitTestResult +wxTextCtrl::HitTest(const wxPoint& pt, wxTextCoord *col, wxTextCoord *row) const +{ + // first get the position from Windows + LPARAM lParam; + +#if wxUSE_RICHEDIT + POINTL ptl; + if ( IsRich() ) + { + // for rich edit controls the position is passed iva the struct fields + ptl.x = pt.x; + ptl.y = pt.y; + lParam = (LPARAM)&ptl; + } + else +#endif // wxUSE_RICHEDIT + { + // for the plain ones, we are limited to 16 bit positions which are + // combined in a single 32 bit value + lParam = MAKELPARAM(pt.x, pt.y); + } + + LRESULT pos = SendMessage(GetHwnd(), EM_CHARFROMPOS, 0, lParam); + + if ( pos == -1 ) + { + // this seems to indicate an error... + return wxTE_HT_UNKNOWN; + } + +#if wxUSE_RICHEDIT + if ( !IsRich() ) +#endif // wxUSE_RICHEDIT + { + // for plain EDIT controls the higher word contains something else + pos = LOWORD(pos); + } + + + // next determine where it is relatively to our point: EM_CHARFROMPOS + // always returns the closest character but we need to be more precise, so + // double check that we really are where it pretends + POINTL ptReal; + +#if wxUSE_RICHEDIT + // FIXME: we need to distinguish between richedit 2 and 3 here somehow but + // we don't know how to do it + if ( IsRich() ) + { + SendMessage(GetHwnd(), EM_POSFROMCHAR, (WPARAM)&ptReal, pos); + } + else +#endif // wxUSE_RICHEDIT + { + LRESULT lRc = SendMessage(GetHwnd(), EM_POSFROMCHAR, pos, 0); + + if ( lRc == -1 ) + { + // this is apparently returned when pos corresponds to the last + // position + ptReal.x = + ptReal.y = 0; + } + else + { + ptReal.x = LOWORD(lRc); + ptReal.y = HIWORD(lRc); + } + } + + wxTextCtrlHitTestResult rc; + + if ( pt.y > ptReal.y + GetCharHeight() ) + rc = wxTE_HT_BELOW; + else if ( pt.x > ptReal.x + GetCharWidth() ) + rc = wxTE_HT_BEYOND; + else + rc = wxTE_HT_ON_TEXT; + + // finally translate to column/row + if ( !PositionToXY(pos, col, row) ) + { + wxFAIL_MSG( _T("PositionToXY() not expected to fail in HitTest()") ); + } + + return rc; +} + +// ---------------------------------------------------------------------------- +// +// ---------------------------------------------------------------------------- + void wxTextCtrl::ShowPosition(long pos) { HWND hWnd = GetHwnd(); @@ -1189,13 +1502,36 @@ 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 +1572,27 @@ 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 // ---------------------------------------------------------------------------- @@ -1324,7 +1681,7 @@ void wxTextCtrl::OnChar(wxKeyEvent& event) switch ( event.GetKeyCode() ) { case WXK_RETURN: - if ( !(m_windowStyle & wxTE_MULTILINE) ) + if ( !HasFlag(wxTE_MULTILINE) ) { wxCommandEvent event(wxEVT_COMMAND_TEXT_ENTER, m_windowId); InitCommandEvent(event); @@ -1337,18 +1694,38 @@ void wxTextCtrl::OnChar(wxKeyEvent& event) break; case WXK_TAB: - // always produce navigation event - even if we process TAB - // ourselves the fact that we got here means that the user code - // decided to skip processing of this TAB - probably to let it - // do its default job. + // ok, so this is getting absolutely ridiculous but I don't see + // any other way to fix this bug: when a multiline text control is + // inside a wxFrame, we need to generate the navigation event as + // otherwise nothing happens at all, but when the same control is + // created inside a dialog, IsDialogMessage() *does* switch focus + // all by itself and so if we do it here as well, it is advanced + // twice and goes to the next control... to prevent this from + // happening we're doing this ugly check, the logic being that if + // we don't have focus then it had been already changed to the next + // control + // + // the right thing to do would, of course, be to understand what + // the hell is IsDialogMessage() doing but this is beyond my feeble + // forces at the moment unfortunately + if ( !(m_windowStyle & wxTE_PROCESS_TAB)) { - wxNavigationKeyEvent eventNav; - eventNav.SetDirection(!event.ShiftDown()); - eventNav.SetWindowChange(event.ControlDown()); - eventNav.SetEventObject(this); - - if ( GetParent()->GetEventHandler()->ProcessEvent(eventNav) ) - return; + if ( FindFocus() == this ) + { + int flags = 0; + if (!event.ShiftDown()) + flags |= wxNavigationKeyEvent::IsForward ; + if (event.ControlDown()) + flags |= wxNavigationKeyEvent::WinChange ; + if (Navigate(flags)) + return; + } + } + else + { + // Insert tab since calling the default Windows handler + // doesn't seem to do it + WriteText(wxT("\t")); } break; } @@ -1357,9 +1734,9 @@ void wxTextCtrl::OnChar(wxKeyEvent& event) event.Skip(); } -long wxTextCtrl::MSWWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lParam) +WXLRESULT wxTextCtrl::MSWWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lParam) { - long lRc = wxTextCtrlBase::MSWWindowProc(nMsg, wParam, lParam); + WXLRESULT lRc = wxTextCtrlBase::MSWWindowProc(nMsg, wParam, lParam); if ( nMsg == WM_GETDLGCODE ) { @@ -1496,40 +1873,8 @@ WXHBRUSH wxTextCtrl::OnCtlColor(WXHDC pDC, WXHWND WXUNUSED(pWnd), WXUINT WXUNUSE return (WXHBRUSH)brush->GetResourceHandle(); } -// In WIN16, need to override normal erasing because -// Ctl3D doesn't use the wxWindows background colour. -#ifdef __WIN16__ -void wxTextCtrl::OnEraseBackground(wxEraseEvent& event) -{ - wxColour col(m_backgroundColour); - -#if wxUSE_CTL3D - if (m_useCtl3D) - col = wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOW); -#endif - - RECT rect; - ::GetClientRect(GetHwnd(), &rect); - - COLORREF ref = wxColourToRGB(col); - HBRUSH hBrush = ::CreateSolidBrush(ref); - if ( !hBrush ) - wxLogLastError(wxT("CreateSolidBrush")); - - HDC hdc = (HDC)event.GetDC()->GetHDC(); - - int mode = ::SetMapMode(hdc, MM_TEXT); - - ::FillRect(hdc, &rect, hBrush); - ::DeleteObject(hBrush); - ::SetMapMode(hdc, mode); - -} -#endif // Win16 - bool wxTextCtrl::AdjustSpaceLimit() { -#ifndef __WIN16__ unsigned int limit = ::SendMessage(GetHwnd(), EM_GETLIMITTEXT, 0, 0); // HACK: we try to automatically extend the limit for the amount of text @@ -1571,7 +1916,6 @@ bool wxTextCtrl::AdjustSpaceLimit() ::SendMessage(GetHwnd(), EM_LIMITTEXT, limit, 0); } } -#endif // !Win16 // we changed the limit return TRUE; @@ -1588,17 +1932,21 @@ bool wxTextCtrl::AcceptsFocus() const wxSize wxTextCtrl::DoGetBestSize() const { int cx, cy; - wxGetCharSize(GetHWND(), &cx, &cy, &GetFont()); + wxGetCharSize(GetHWND(), &cx, &cy, GetFont()); int wText = DEFAULT_ITEM_WIDTH; - int hText = EDIT_HEIGHT_FROM_CHAR_HEIGHT(cy); + int hText = cy; if ( m_windowStyle & wxTE_MULTILINE ) { hText *= wxMax(GetNumberOfLines(), 5); } //else: for single line control everything is ok + // we have to add the adjustments for the control height only once, not + // once per line, so do it after multiplication above + hText += EDIT_HEIGHT_FROM_CHAR_HEIGHT(cy) - cy; + return wxSize(wText, hText); } @@ -1631,7 +1979,7 @@ void wxTextCtrl::OnRedo(wxCommandEvent& WXUNUSED(event)) Redo(); } -void wxTextCtrl::OnDelete(wxCommandEvent& event) +void wxTextCtrl::OnDelete(wxCommandEvent& WXUNUSED(event)) { long from, to; GetSelection(& from, & to); @@ -1639,7 +1987,7 @@ void wxTextCtrl::OnDelete(wxCommandEvent& event) Remove(from, to); } -void wxTextCtrl::OnSelectAll(wxCommandEvent& event) +void wxTextCtrl::OnSelectAll(wxCommandEvent& WXUNUSED(event)) { SetSelection(-1, -1); } @@ -1707,6 +2055,15 @@ 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 @@ -1802,7 +2159,7 @@ 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); } @@ -1958,7 +2315,7 @@ bool wxTextCtrl::SetStyle(long start, long end, const wxTextAttr& style) cf.dwEffects |= CFE_UNDERLINE; } - // strikeout fonts are not supported by wxWindows + // strikeout fonts are not supported by wxWidgets } if ( style.HasTextColour() ) @@ -2016,12 +2373,11 @@ bool wxTextCtrl::SetStyle(long start, long end, const wxTextAttr& style) if (style.HasLeftIndent()) { - pf.dwMask |= PFM_STARTINDENT; + pf.dwMask |= PFM_STARTINDENT | PFM_OFFSET; // Convert from 1/10 mm to TWIPS pf.dxStartIndent = (int) (((double) style.GetLeftIndent()) * mm2twips / 10.0) ; - - // TODO: do we need to specify dxOffset? + pf.dxOffset = (int) (((double) style.GetLeftSubIndent()) * mm2twips / 10.0) ; } if (style.HasRightIndent()) @@ -2183,7 +2539,7 @@ bool wxTextCtrl::GetStyle(long position, wxTextAttr& style) // do format the selection (void) ::SendMessage(GetHwnd(), EM_GETPARAFORMAT, 0, (LPARAM) &pf) ; - style.SetLeftIndent( (int) ((double) pf.dxStartIndent * twips2mm * 10.0) ); + style.SetLeftIndent( (int) ((double) pf.dxStartIndent * twips2mm * 10.0), (int) ((double) pf.dxOffset * twips2mm * 10.0) ); style.SetRightIndent( (int) ((double) pf.dxRightIndent * twips2mm * 10.0) ); if (pf.wAlignment == PFA_CENTER) @@ -2199,7 +2555,7 @@ bool wxTextCtrl::GetStyle(long position, wxTextAttr& style) size_t i; for (i = 0; i < (size_t) pf.cTabCount; i++) { - tabStops[i] = (int) ((double) (pf.rgxTabs[i] & 0xFFFF) * twips2mm * 10.0) ; + tabStops.Add( (int) ((double) (pf.rgxTabs[i] & 0xFFFF) * twips2mm * 10.0) ); } if ( changeSel ) @@ -2230,6 +2586,7 @@ void wxRichEditModule::OnExit() if ( ms_hRichEdit[i] ) { ::FreeLibrary(ms_hRichEdit[i]); + ms_hRichEdit[i] = NULL; } } }