X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/f882d57e937d30f118b8f0278bb147e90a528db6..7848088476db284a94f19eeb24411b45d676ac46:/src/msw/textctrl.cpp diff --git a/src/msw/textctrl.cpp b/src/msw/textctrl.cpp index 47d62a13a4..f7c7cb3ada 100644 --- a/src/msw/textctrl.cpp +++ b/src/msw/textctrl.cpp @@ -5,15 +5,15 @@ // Modified by: // Created: 04/01/98 // RCS-ID: $Id$ -// Copyright: (c) Julian Smart and Markus Holzem -// Licence: wxWindows license +// Copyright: (c) Julian Smart +// Licence: wxWindows licence ///////////////////////////////////////////////////////////////////////////// // ============================================================================ // declarations // ============================================================================ -#ifdef __GNUG__ +#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA) #pragma implementation "textctrl.h" #endif @@ -38,6 +38,7 @@ #include "wx/intl.h" #include "wx/log.h" #include "wx/app.h" + #include "wx/menu.h" #endif #include "wx/module.h" @@ -51,57 +52,24 @@ #include #include "wx/msw/private.h" +#include "wx/msw/winundef.h" #include #include -#include - -#if wxUSE_RICHEDIT && (!defined(__GNUWIN32_OLD__) || defined(__CYGWIN10__)) - #include -#endif -// old mingw32 doesn't define this -#ifndef CFM_CHARSET - #define CFM_CHARSET 0x08000000 -#endif // CFM_CHARSET - -#ifndef CFM_BACKCOLOR - #define CFM_BACKCOLOR 0x04000000 +#ifndef __WXWINCE__ +#include #endif -// cygwin does not have these defined for richedit -#ifndef ENM_LINK - #define ENM_LINK 0x04000000 -#endif +#if wxUSE_RICHEDIT -#ifndef EM_AUTOURLDETECT - #define EM_AUTOURLDETECT (WM_USER + 91) +// old mingw32 has richedit stuff directly in windows.h and doesn't have +// richedit.h at all +#if !defined(__GNUWIN32_OLD__) || defined(__CYGWIN10__) + #include #endif -#ifndef EN_LINK - #define EN_LINK 0x070b - - typedef struct _enlink - { - NMHDR nmhdr; - UINT msg; - WPARAM wParam; - LPARAM lParam; - CHARRANGE chrg; - } ENLINK; -#endif // ENLINK - -#ifndef SF_UNICODE - #define SF_UNICODE 0x0010 -#endif - -// ---------------------------------------------------------------------------- -// private functions -// ---------------------------------------------------------------------------- - -#if wxUSE_RICHEDIT - -DWORD CALLBACK wxRichEditStreamIn(DWORD dwCookie, BYTE *buf, LONG cb, LONG *pcb); +#include "wx/msw/missing.h" #endif // wxUSE_RICHEDIT @@ -111,31 +79,24 @@ DWORD CALLBACK wxRichEditStreamIn(DWORD dwCookie, BYTE *buf, LONG cb, LONG *pcb) #if wxUSE_RICHEDIT -// this module initializes RichEdit DLL if needed +// this module initializes RichEdit DLL(s) if needed class wxRichEditModule : public wxModule { public: virtual bool OnInit(); virtual void OnExit(); - // get the version currently loaded, -1 if none - static int GetLoadedVersion() { return ms_verRichEdit; } - // load the richedit DLL of at least of required version static bool Load(int version = 1); private: - // the handle to richedit DLL and the version of the DLL loaded - static HINSTANCE ms_hRichEdit; - - // the DLL version loaded or -1 if none - static int ms_verRichEdit; + // the handles to richedit 1.0 and 2.0 (or 3.0) DLLs + static HINSTANCE ms_hRichEdit[2]; DECLARE_DYNAMIC_CLASS(wxRichEditModule) }; -HINSTANCE wxRichEditModule::ms_hRichEdit = (HINSTANCE)NULL; -int wxRichEditModule::ms_verRichEdit = -1; +HINSTANCE wxRichEditModule::ms_hRichEdit[2] = { NULL, NULL }; IMPLEMENT_DYNAMIC_CLASS(wxRichEditModule, wxModule) @@ -145,26 +106,101 @@ 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) EVT_DROP_FILES(wxTextCtrl::OnDropFiles) +#if wxUSE_RICHEDIT + EVT_RIGHT_UP(wxTextCtrl::OnRightClick) +#endif + EVT_MENU(wxID_CUT, wxTextCtrl::OnCut) EVT_MENU(wxID_COPY, wxTextCtrl::OnCopy) EVT_MENU(wxID_PASTE, wxTextCtrl::OnPaste) EVT_MENU(wxID_UNDO, wxTextCtrl::OnUndo) EVT_MENU(wxID_REDO, wxTextCtrl::OnRedo) + EVT_MENU(wxID_CLEAR, wxTextCtrl::OnDelete) + EVT_MENU(wxID_SELECTALL, wxTextCtrl::OnSelectAll) EVT_UPDATE_UI(wxID_CUT, wxTextCtrl::OnUpdateCut) EVT_UPDATE_UI(wxID_COPY, wxTextCtrl::OnUpdateCopy) EVT_UPDATE_UI(wxID_PASTE, wxTextCtrl::OnUpdatePaste) EVT_UPDATE_UI(wxID_UNDO, wxTextCtrl::OnUpdateUndo) EVT_UPDATE_UI(wxID_REDO, wxTextCtrl::OnUpdateRedo) -#ifdef __WIN16__ - EVT_ERASE_BACKGROUND(wxTextCtrl::OnEraseBackground) -#endif + EVT_UPDATE_UI(wxID_CLEAR, wxTextCtrl::OnUpdateDelete) + EVT_UPDATE_UI(wxID_SELECTALL, wxTextCtrl::OnUpdateSelectAll) + + EVT_SET_FOCUS(wxTextCtrl::OnSetFocus) END_EVENT_TABLE() // ============================================================================ @@ -179,7 +215,20 @@ void wxTextCtrl::Init() { #if wxUSE_RICHEDIT m_verRichEdit = 0; -#endif +#endif // wxUSE_RICHEDIT + + m_privateContextMenu = NULL; + m_suppressNextUpdate = FALSE; + m_isNativeCaretShown = true; +} + +wxTextCtrl::~wxTextCtrl() +{ + if (m_privateContextMenu) + { + delete m_privateContextMenu; + m_privateContextMenu = NULL; + } } bool wxTextCtrl::Create(wxWindow *parent, wxWindowID id, @@ -197,86 +246,68 @@ bool wxTextCtrl::Create(wxWindow *parent, wxWindowID id, if ( parent ) parent->AddChild(this); - // translate wxWin style flags to MSW ones, checking for consistency while - // doing it - long msStyle = ES_LEFT | WS_TABSTOP; + // translate wxWin style flags to MSW ones + WXDWORD msStyle = MSWGetCreateWindowFlags(); - if ( m_windowStyle & wxCLIP_SIBLINGS ) - msStyle |= WS_CLIPSIBLINGS; + // do create the control - either an EDIT or RICHEDIT + wxString windowClass = wxT("EDIT"); - if ( m_windowStyle & wxTE_MULTILINE ) +#if wxUSE_RICHEDIT + if ( m_windowStyle & wxTE_AUTO_URL ) { - wxASSERT_MSG( !(m_windowStyle & wxTE_PROCESS_ENTER), - wxT("wxTE_PROCESS_ENTER style is ignored for multiline text controls (they always process it)") ); - - msStyle |= ES_MULTILINE | ES_WANTRETURN; - if ((m_windowStyle & wxTE_NO_VSCROLL) == 0) - msStyle |= WS_VSCROLL; - m_windowStyle |= wxTE_PROCESS_ENTER; + // automatic URL detection only works in RichEdit 2.0+ + m_windowStyle |= wxTE_RICH2; } - else // !multiline + + if ( m_windowStyle & wxTE_RICH2 ) { - // there is really no reason to not have this style for single line - // text controls - msStyle |= ES_AUTOHSCROLL; + // using richedit 2.0 implies using wxTE_RICH + m_windowStyle |= wxTE_RICH; } - if ( m_windowStyle & wxHSCROLL ) - msStyle |= WS_HSCROLL | ES_AUTOHSCROLL; - - if ( m_windowStyle & wxTE_READONLY ) - msStyle |= ES_READONLY; - - if ( m_windowStyle & wxTE_PASSWORD ) - msStyle |= ES_PASSWORD; - - if ( m_windowStyle & wxTE_AUTO_SCROLL ) - msStyle |= ES_AUTOHSCROLL; - - if ( m_windowStyle & wxTE_NOHIDESEL ) - msStyle |= ES_NOHIDESEL; - - // we always want the characters and the arrows - m_lDlgCode = DLGC_WANTCHARS | DLGC_WANTARROWS; - - // we may have several different cases: - // 1. normal case: both TAB and ENTER are used for dialog navigation - // 2. ctrl which wants TAB for itself: ENTER is used to pass to the next - // control in the dialog - // 3. ctrl which wants ENTER for itself: TAB is used for dialog navigation - // 4. ctrl which wants both TAB and ENTER: Ctrl-ENTER is used to pass to - // the next control - if ( m_windowStyle & wxTE_PROCESS_ENTER ) - m_lDlgCode |= DLGC_WANTMESSAGE; - if ( m_windowStyle & wxTE_PROCESS_TAB ) - m_lDlgCode |= DLGC_WANTTAB; - - // do create the control - either an EDIT or RICHEDIT - wxString windowClass = wxT("EDIT"); - -#if wxUSE_RICHEDIT + // we need to load the richedit DLL before creating the rich edit control if ( m_windowStyle & wxTE_RICH ) { - static bool s_errorGiven = FALSE; // MT-FIXME + static bool s_errorGiven = FALSE;// MT-FIXME + + // Which version do we need? Use 1.0 by default because it is much more + // like the the standard EDIT or 2.0 if explicitly requested, but use + // only 2.0 in Unicode mode as 1.0 doesn't support Unicode at all + // + // TODO: RichEdit 3.0 is apparently capable of emulating RichEdit 1.0 + // (and thus EDIT) much better than RichEdit 2.0 so we probably + // should use 3.0 if available as it is the best of both worlds - + // but as I can't test it right now I don't do it (VZ) +#if wxUSE_UNICODE + const int verRichEdit = 2; +#else // !wxUSE_UNICODE + int verRichEdit = m_windowStyle & wxTE_RICH2 ? 2 : 1; +#endif // wxUSE_UNICODE/!wxUSE_UNICODE // only give the error msg once if the DLL can't be loaded if ( !s_errorGiven ) { - // first try to load the RichEdit DLL (will do nothing if already - // done) - if ( !wxRichEditModule::Load() ) + // try to load the RichEdit DLL (will do nothing if already done) + if ( !wxRichEditModule::Load(verRichEdit) ) { - wxLogError(_("Impossible to create a rich edit control, using simple text control instead. Please reinstall riched32.dll")); +#if !wxUSE_UNICODE + // try another version? + verRichEdit = 3 - verRichEdit; // 1 <-> 2 - s_errorGiven = TRUE; + if ( !wxRichEditModule::Load(verRichEdit) ) +#endif // wxUSE_UNICODE + { + wxLogError(_("Impossible to create a rich edit control, using simple text control instead. Please reinstall riched32.dll")); + + s_errorGiven = TRUE; + } } } + // have we managed to load any richedit version? if ( !s_errorGiven ) { - msStyle |= ES_AUTOVSCROLL; - - m_verRichEdit = wxRichEditModule::GetLoadedVersion(); + m_verRichEdit = verRichEdit; if ( m_verRichEdit == 1 ) { windowClass = wxT("RICHEDIT"); @@ -313,15 +344,22 @@ bool wxTextCtrl::Create(wxWindow *parent, wxWindowID id, if ( !MSWCreateControl(windowClass, msStyle, pos, size, valueWin) ) return FALSE; - SetBackgroundColour(wxSystemSettings::GetSystemColour(wxSYS_COLOUR_WINDOW)); + SetBackgroundColour(wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOW)); #if wxUSE_RICHEDIT if ( IsRich() ) { - // have to enable events manually - LPARAM mask = ENM_CHANGE | ENM_DROPFILES | ENM_SELCHANGE | ENM_UPDATE; + // enable the events we're interested in: we want to get EN_CHANGE as + // for the normal controls + LPARAM mask = ENM_CHANGE; - if ( m_windowStyle & wxTE_AUTO_URL ) + if ( GetRichVersion() == 1 ) + { + // we also need EN_MSGFILTER for richedit 1.0 for the reasons + // explained in its handler + mask |= ENM_MOUSEEVENTS; + } + else if ( m_windowStyle & wxTE_AUTO_URL ) { mask |= ENM_LINK; @@ -371,6 +409,93 @@ void wxTextCtrl::AdoptAttributesFromHWND() m_windowStyle |= wxTE_READONLY; if (style & ES_WANTRETURN) m_windowStyle |= wxTE_PROCESS_ENTER; + if (style & ES_CENTER) + m_windowStyle |= wxTE_CENTRE; + if (style & ES_RIGHT) + m_windowStyle |= wxTE_RIGHT; +} + +WXDWORD wxTextCtrl::MSWGetStyle(long style, WXDWORD *exstyle) const +{ + long msStyle = wxControl::MSWGetStyle(style, exstyle); + + // styles which we alaways add by default + if ( style & wxTE_MULTILINE ) + { + wxASSERT_MSG( !(style & wxTE_PROCESS_ENTER), + wxT("wxTE_PROCESS_ENTER style is ignored for multiline text controls (they always process it)") ); + + msStyle |= ES_MULTILINE | ES_WANTRETURN; + if ( !(style & wxTE_NO_VSCROLL) ) + { + // always adjust the vertical scrollbar automatically if we have it + msStyle |= WS_VSCROLL | ES_AUTOVSCROLL; + +#if wxUSE_RICHEDIT + // we have to use this style for the rich edit controls because + // without it the vertical scrollbar never appears at all in + // richedit 3.0 because of our ECO_NOHIDESEL hack (search for it) + if ( style & wxTE_RICH2 ) + { + msStyle |= ES_DISABLENOSCROLL; + } +#endif // wxUSE_RICHEDIT + } + + style |= wxTE_PROCESS_ENTER; + } + else // !multiline + { + // there is really no reason to not have this style for single line + // text controls + msStyle |= ES_AUTOHSCROLL; + } + + // 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; + } + + if ( style & wxTE_READONLY ) + msStyle |= ES_READONLY; + + if ( style & wxTE_PASSWORD ) + msStyle |= ES_PASSWORD; + + if ( style & wxTE_NOHIDESEL ) + msStyle |= ES_NOHIDESEL; + + // note that we can't do do "& wxTE_LEFT" as wxTE_LEFT == 0 + if ( style & wxTE_CENTRE ) + msStyle |= ES_CENTER; + else if ( style & wxTE_RIGHT ) + msStyle |= ES_RIGHT; + else + msStyle |= ES_LEFT; // ES_LEFT is 0 as well but for consistency... + + return msStyle; +} + +void wxTextCtrl::SetWindowStyleFlag(long style) +{ +#if wxUSE_RICHEDIT + // we have to deal with some styles separately because they can't be + // changed by simply calling SetWindowLong(GWL_STYLE) but can be changed + // using richedit-specific EM_SETOPTIONS + if ( IsRich() && + ((style & wxTE_NOHIDESEL) != (GetWindowStyle() & wxTE_NOHIDESEL)) ) + { + bool set = (style & wxTE_NOHIDESEL) != 0; + + ::SendMessage(GetHwnd(), EM_SETOPTIONS, set ? ECOOP_OR : ECOOP_AND, + set ? ECO_NOHIDESEL : ~ECO_NOHIDESEL); + } +#endif // wxUSE_RICHEDIT + + wxControl::SetWindowStyleFlag(style); } // ---------------------------------------------------------------------------- @@ -379,49 +504,125 @@ void wxTextCtrl::AdoptAttributesFromHWND() wxString wxTextCtrl::GetValue() const { - // we can't use wxGetWindowText() (i.e. WM_GETTEXT internally) for - // retrieving more than 64Kb under Win9x + // range 0..-1 is special for GetRange() and means to retrieve all text + return GetRange(0, -1); +} + +wxString wxTextCtrl::GetRange(long from, long to) const +{ + wxString str; + + if ( from >= to && to != -1 ) + { + // nothing to retrieve + return str; + } + #if wxUSE_RICHEDIT if ( IsRich() ) { - wxString str; - int len = GetWindowTextLength(GetHwnd()); - if ( len ) + 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 = 0; - textRange.chrg.cpMax = -1; - 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; + + wxFont font = m_defaultStyle.GetFont(); + if ( !font.Ok() ) + font = GetFont(); - (void)SendMessage(GetHwnd(), EM_GETTEXTRANGE, 0, (LPARAM)&textRange); + if ( font.Ok() ) + { + encoding = font.GetEncoding(); + } - // believe it or not, but EM_GETTEXTRANGE uses just CR ('\r') for - // the newlines which is neither Unix nor Windows style (Win95 with - // riched20.dll shows this behaviour) - convert it to something - // reasonable - for ( ; *p; p++ ) + if ( encoding == wxFONTENCODING_SYSTEM ) + { + encoding = wxLocale::GetSystemEncoding(); + } + + if ( encoding == wxFONTENCODING_SYSTEM ) + { + encoding = wxFONTENCODING_ISO8859_1; + } + + str = StreamOut(encoding); + + if ( !str.empty() ) + { + // 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); + } + } + + // StreamOut() wasn't used or failed, try to do it in normal way + if ( str.empty() ) +#endif // !wxUSE_UNICODE { - if ( *p == _T('\r') ) - *p = _T('\n'); + // 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'); + } + } } - str.UngetWriteBuf(); + if ( m_verRichEdit == 1 ) + { + // convert to the canonical form - see comment below + str = wxTextFile::Translate(str, wxTextFileType_Unix); + } } //else: no text at all, leave the string empty - - return str; } + else #endif // wxUSE_RICHEDIT + { + // retrieve all text + str = wxGetWindowText(GetHWND()); - // WM_GETTEXT uses standard DOS CR+LF (\r\n) convention - convert to the - // same one as above for consitency - wxString str = wxGetWindowText(GetHWND()); + // need only a range? + if ( from < to ) + { + str = str.Mid(from, to - from); + } - return wxTextFile::Translate(str, wxTextFileType_Unix); + // WM_GETTEXT uses standard DOS CR+LF (\r\n) convention - convert to the + // canonical one (same one as above) for consistency with the other kinds + // of controls and, more importantly, with the other ports + str = wxTextFile::Translate(str, wxTextFileType_Unix); + } + + return str; } void wxTextCtrl::SetValue(const wxString& value) @@ -432,29 +633,37 @@ void wxTextCtrl::SetValue(const wxString& value) // edit controls mostly) if ( (value.length() > 0x400) || (value != GetValue()) ) { - // it is simpler to do this but it could be more efficient to reproduce - // WriteText() logic here - Clear(); - - WriteText(value); - - // mark the control as being not dirty - we changed its text, not the - // user - DiscardEdits(); - + 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 + + // mark the control as being not dirty - we changed its text, not the + // user + DiscardEdits(); } -#if wxUSE_RICHEDIT && !wxUSE_UNICODE +#if wxUSE_RICHEDIT && (!wxUSE_UNICODE || wxUSE_UNICODE_MSLU) + +// TODO: using memcpy() would improve performance a lot for big amounts of text -DWORD CALLBACK wxRichEditStreamIn(DWORD dwCookie, BYTE *buf, LONG cb, LONG *pcb) +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++; @@ -463,62 +672,186 @@ DWORD CALLBACK wxRichEditStreamIn(DWORD dwCookie, BYTE *buf, LONG cb, LONG *pcb) (*pcb) += sizeof(wchar_t); } - *(const wchar_t **)dwCookie = wpc; + *ppws = wpc; return 0; } -extern long wxEncodingToCodepage(wxFontEncoding encoding); // from strconv.cpp +// helper struct used to pass parameters from wxTextCtrl to wxRichEditStreamOut +struct wxStreamOutData +{ + wchar_t *wpc; + size_t len; +}; -bool wxTextCtrl::StreamIn(const wxString& value, wxFontEncoding encoding) +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; + + wxStreamOutData *data = (wxStreamOutData *)dwCookie; - // first get the Windows code page for this encoding - long codepage = wxEncodingToCodepage(encoding); - if ( codepage == -1 ) + 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); - if ( !::MultiByteToWideChar(codepage, 0, value, -1, - (wchar_t *)wchBuf.data(), len) ) - { - wxLogLastError(_T("MultiByteToWideChar")); - } + wchar_t *wpc = wchBuf.data(); +#else + wchar_t *wchBuf = (wchar_t *)malloc((len + 1)*sizeof(wchar_t)); + wchar_t *wpc = wchBuf; +#endif - // 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; // the cast below is needed for broken (very) old mingw32 headers eds.pfnCallback = (EDITSTREAMCALLBACK)wxRichEditStreamIn; - if ( !::SendMessage(GetHwnd(), EM_STREAMIN, - SF_TEXT | SF_UNICODE | SFF_SELECTION, - (LPARAM)&eds) || eds.dwError ) + // we're going to receive 2 EN_CHANGE notifications if we got any selection + // (same problem as in DoWriteText()) + if ( selectionOnly && HasSelection() ) { - wxLogLastError(_T("EM_STREAMIN")); + // so suppress one of them + m_suppressNextUpdate = TRUE; + } - return FALSE; + ::SendMessage(GetHwnd(), EM_STREAMIN, + SF_TEXT | + SF_UNICODE | + (selectionOnly ? SFF_SELECTION : 0), + (LPARAM)&eds); + + if ( eds.dwError ) + { + wxLogLastError(_T("EM_STREAMIN")); } +#if !wxUSE_WCHAR_T + free(wchBuf); +#endif // !wxUSE_WCHAR_T + 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) { - wxString valueDos = wxTextFile::Translate(value, wxTextFileType_Dos); + DoWriteText(value); +} + +void wxTextCtrl::DoWriteText(const wxString& value, bool selectionOnly) +{ + wxString valueDos; + if ( m_windowStyle & wxTE_MULTILINE ) + valueDos = wxTextFile::Translate(value, wxTextFileType_Dos); + else + valueDos = value; #if wxUSE_RICHEDIT // there are several complications with the rich edit controls here @@ -530,8 +863,17 @@ void wxTextCtrl::WriteText(const wxString& value) { long start, end; GetSelection(&start, &end); - SetStyle(start, end, m_defaultStyle ); + SetStyle(start, end, m_defaultStyle); + } + +#if wxUSE_UNICODE_MSLU + // RichEdit doesn't have Unicode version of EM_REPLACESEL on Win9x, + // but EM_STREAMIN works + if ( wxUsingUnicowsDll() && GetRichVersion() > 1 ) + { + done = StreamIn(valueDos, wxFONTENCODING_SYSTEM, selectionOnly); } +#endif // wxUSE_UNICODE_MSLU #if !wxUSE_UNICODE // next check if the text we're inserting must be shown in a non @@ -547,7 +889,11 @@ void wxTextCtrl::WriteText(const wxString& value) wxFontEncoding encoding = font.GetEncoding(); if ( encoding != wxFONTENCODING_SYSTEM ) { - done = StreamIn(valueDos, encoding); + // 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); } } } @@ -557,7 +903,38 @@ void wxTextCtrl::WriteText(const wxString& value) if ( !done ) #endif // wxUSE_RICHEDIT { - ::SendMessage(GetHwnd(), EM_REPLACESEL, 0, (LPARAM)valueDos.c_str()); + // in some cases we get 2 EN_CHANGE notifications after the SendMessage + // call below which is confusing for the client code and so should be + // avoided + // + // these cases are: (a) plain EDIT controls if EM_REPLACESEL is used + // and there is a non empty selection currently and (b) rich text + // controls in any case + if ( +#if wxUSE_RICHEDIT + IsRich() || +#endif // wxUSE_RICHEDIT + (selectionOnly && HasSelection()) ) + { + m_suppressNextUpdate = TRUE; + } + + ::SendMessage(GetHwnd(), selectionOnly ? EM_REPLACESEL : WM_SETTEXT, + 0, (LPARAM)valueDos.c_str()); + + // OTOH, non rich text controls don't generate any events at all when + // we use WM_SETTEXT -- have to emulate them here + if ( !selectionOnly +#if wxUSE_RICHEDIT + && !IsRich() +#endif // wxUSE_RICHEDIT + ) + { + // Windows already sends an update event for single-line + // controls. + if ( m_windowStyle & wxTE_MULTILINE ) + SendUpdateEvent(); + } } AdjustSpaceLimit(); @@ -568,13 +945,55 @@ void wxTextCtrl::AppendText(const wxString& text) SetInsertionPointEnd(); WriteText(text); + +#if wxUSE_RICHEDIT + if ( IsMultiLine() && GetRichVersion() > 1 ) + { + // setting the caret to the end and showing it simply doesn't work for + // RichEdit 2.0 -- force it to still do what we want + ::SendMessage(GetHwnd(), EM_LINESCROLL, 0, GetNumberOfLines()); + } +#endif // wxUSE_RICHEDIT } void wxTextCtrl::Clear() { - ::SetWindowText(GetHwnd(), wxT("")); + ::SetWindowText(GetHwnd(), wxEmptyString); + +#if wxUSE_RICHEDIT + if ( !IsRich() ) +#endif // wxUSE_RICHEDIT + { + // rich edit controls send EN_UPDATE from WM_SETTEXT handler themselves + // but the normal ones don't -- make Clear() behaviour consistent by + // always sending this event + + // Windows already sends an update event for single-line + // controls. + if ( m_windowStyle & wxTE_MULTILINE ) + SendUpdateEvent(); + } } +#ifdef __WIN32__ + +bool wxTextCtrl::EmulateKeyPress(const wxKeyEvent& event) +{ + SetFocus(); + + size_t lenOld = GetValue().length(); + + wxUint32 code = event.GetRawKeyCode(); + ::keybd_event(code, 0, 0 /* key press */, 0); + ::keybd_event(code, 0, KEYEVENTF_KEYUP, 0); + + // assume that any alphanumeric key changes the total number of characters + // in the control - this should work in 99% of cases + return GetValue().length() != lenOld; +} + +#endif // __WIN32__ + // ---------------------------------------------------------------------------- // Clipboard operations // ---------------------------------------------------------------------------- @@ -583,8 +1002,7 @@ void wxTextCtrl::Copy() { if (CanCopy()) { - HWND hWnd = GetHwnd(); - SendMessage(hWnd, WM_COPY, 0, 0L); + ::SendMessage(GetHwnd(), WM_COPY, 0, 0L); } } @@ -592,8 +1010,7 @@ void wxTextCtrl::Cut() { if (CanCut()) { - HWND hWnd = GetHwnd(); - SendMessage(hWnd, WM_CUT, 0, 0L); + ::SendMessage(GetHwnd(), WM_CUT, 0, 0L); } } @@ -601,25 +1018,26 @@ void wxTextCtrl::Paste() { if (CanPaste()) { - HWND hWnd = GetHwnd(); - SendMessage(hWnd, WM_PASTE, 0, 0L); + ::SendMessage(GetHwnd(), WM_PASTE, 0, 0L); } } +bool wxTextCtrl::HasSelection() const +{ + long from, to; + GetSelection(&from, &to); + return from != to; +} + bool wxTextCtrl::CanCopy() const { // Can copy if there's a selection - long from, to; - GetSelection(& from, & to); - return (from != to) ; + return HasSelection(); } bool wxTextCtrl::CanCut() const { - // Can cut if there's a selection - long from, to; - GetSelection(& from, & to); - return (from != to) && (IsEditable()); + return CanCopy() && IsEditable(); } bool wxTextCtrl::CanPaste() const @@ -658,12 +1076,33 @@ void wxTextCtrl::SetEditable(bool editable) void wxTextCtrl::SetInsertionPoint(long pos) { - SetSelection(pos, pos); + DoSetSelection(pos, pos); } void wxTextCtrl::SetInsertionPointEnd() { - long pos = GetLastPosition(); + // we must not do anything if the caret is already there because calling + // SetInsertionPoint() thaws the controls if Freeze() had been called even + // if it doesn't actually move the caret anywhere and so the simple fact of + // doing it results in horrible flicker when appending big amounts of text + // to the control in a few chunks (see DoAddText() test in the text sample) + if ( GetInsertionPoint() == GetLastPosition() ) + return; + + long pos; + +#if wxUSE_RICHEDIT + if ( m_verRichEdit == 1 ) + { + // we don't have to waste time calling GetLastPosition() in this case + pos = -1; + } + else // !RichEdit 1.0 +#endif // wxUSE_RICHEDIT + { + pos = GetLastPosition(); + } + SetInsertionPoint(pos); } @@ -686,19 +1125,12 @@ long wxTextCtrl::GetInsertionPoint() const long wxTextCtrl::GetLastPosition() const { - HWND hWnd = GetHwnd(); - - // Will always return a number > 0 (according to docs) - int noLines = (int)SendMessage(hWnd, EM_GETLINECOUNT, (WPARAM)0, (LPARAM)0L); - - // This gets the char index for the _beginning_ of the last line - int charIndex = (int)SendMessage(hWnd, EM_LINEINDEX, (WPARAM)(noLines-1), (LPARAM)0L); + int numLines = GetNumberOfLines(); + long posStartLastLine = XYToPosition(0, numLines - 1); - // Get number of characters in the last line. We'll add this to the character - // index for the last line, 1st position. - int lineLength = (int)SendMessage(hWnd, EM_LINELENGTH, (WPARAM)charIndex, (LPARAM)0L); + long lenLastLine = GetLengthOfLineContainingPos(posStartLastLine); - return (long)(charIndex + lineLength); + return posStartLastLine + lenLastLine; } // If the return values from and to are the same, there is no @@ -725,39 +1157,17 @@ void wxTextCtrl::GetSelection(long* from, long* to) const } } -wxString wxTextCtrl::GetStringSelection() const -{ - // the base class version works correctly for the rich text controls - // because there the lines are terminated with just '\r' which means that - // the string length is not changed in the result of the translations doen - // in GetValue() but for the normal ones when we replace "\r\n" with '\n' - // we break the indices -#if wxUSE_RICHEDIT - if ( IsRich() ) - return wxTextCtrlBase::GetStringSelection(); -#endif // wxUSE_RICHEDIT - - long from, to; - GetSelection(&from, &to); - - wxString str; - if ( from < to ) - { - str = wxGetWindowText(GetHWND()).Mid(from, to - from); - - // and now that we have the correct selection, convert it to the - // correct format - str = wxTextFile::Translate(str, wxTextFileType_Unix); - } - - return str; -} - bool wxTextCtrl::IsEditable() const { + // strangely enough, we may be called before the control is created: our + // own Create() calls MSWGetStyle() which calls AcceptsFocus() which calls + // us + if ( !m_hWnd ) + return TRUE; + long style = ::GetWindowLong(GetHwnd(), GWL_STYLE); - return ((style & ES_READONLY) == 0); + return (style & ES_READONLY) == 0; } // ---------------------------------------------------------------------------- @@ -765,11 +1175,6 @@ bool wxTextCtrl::IsEditable() const // ---------------------------------------------------------------------------- void wxTextCtrl::SetSelection(long from, long to) -{ - DoSetSelection(from, to); -} - -void wxTextCtrl::DoSetSelection(long from, long to, bool scrollCaret) { // if from and to are both -1, it means (in wxWindows) that all text should // be selected - translate into Windows convention @@ -779,9 +1184,13 @@ void wxTextCtrl::DoSetSelection(long from, long to, bool scrollCaret) to = -1; } + DoSetSelection(from, to); +} + +void wxTextCtrl::DoSetSelection(long from, long to, bool scrollCaret) +{ HWND hWnd = GetHwnd(); -#ifdef __WIN32__ #if wxUSE_RICHEDIT if ( IsRich() ) { @@ -799,45 +1208,61 @@ void wxTextCtrl::DoSetSelection(long from, long to, bool scrollCaret) if ( scrollCaret ) { #if wxUSE_RICHEDIT - // EM_SCROLLCARET doesn't work for me with the richedit controls - // unless it has focus although I don't see any mention of it in the - // docs - this is the only workaround I found. Of course it's not - // perfect as it adds the dummy focus set/kill events but it's still - // better than nothing - HWND hwndFocusOld; - if ( IsRich() ) + // richedit 3.0 (i.e. the version living in riched20.dll distributed + // with Windows 2000 and beyond) doesn't honour EM_SCROLLCARET when + // emulating richedit 2.0 unless the control has focus or ECO_NOHIDESEL + // option is set (but it does work ok in richedit 1.0 mode...) + // + // so to make it work we either need to give focus to it here which + // will probably create many problems (dummy focus events; window + // containing the text control being brought to foreground + // unexpectedly; ...) or to temporarily set ECO_NOHIDESEL which may + // create other problems too -- and in fact it does because if we turn + // on/off this style while appending the text to the control, the + // vertical scrollbar never appears in it even if we append tons of + // text and to work around this the only solution I found was to use + // ES_DISABLENOSCROLL + // + // this is very ugly but I don't see any other way to make this work + if ( GetRichVersion() > 1 ) { - hwndFocusOld = ::GetFocus(); - if ( hwndFocusOld == GetHwnd() ) + if ( !HasFlag(wxTE_NOHIDESEL) ) { - // don't change focus - hwndFocusOld = 0; - } - - if ( hwndFocusOld ) - { - ::SetFocus(GetHwnd()); + ::SendMessage(GetHwnd(), EM_SETOPTIONS, + ECOOP_OR, ECO_NOHIDESEL); } - } - else // not rich - { - hwndFocusOld = 0; + //else: everything is already ok } #endif // wxUSE_RICHEDIT SendMessage(hWnd, EM_SCROLLCARET, (WPARAM)0, (LPARAM)0); #if wxUSE_RICHEDIT - if ( hwndFocusOld ) + // restore ECO_NOHIDESEL if we changed it + if ( GetRichVersion() > 1 && !HasFlag(wxTE_NOHIDESEL) ) { - ::SetFocus(hwndFocusOld); + ::SendMessage(GetHwnd(), EM_SETOPTIONS, + ECOOP_AND, ~ECO_NOHIDESEL); } #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 +} + +// ---------------------------------------------------------------------------- +// Working with files +// ---------------------------------------------------------------------------- + +bool wxTextCtrl::LoadFile(const wxString& file) +{ + if ( wxTextCtrlBase::LoadFile(file) ) + { + // update the size limit if needed + AdjustSpaceLimit(); + + return TRUE; + } + + return FALSE; } // ---------------------------------------------------------------------------- @@ -849,39 +1274,24 @@ 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()); + DoWriteText(value, TRUE /* selection only */); } void wxTextCtrl::Remove(long from, long to) { - Replace(from, to, _T("")); + Replace(from, to, wxEmptyString); } -bool wxTextCtrl::LoadFile(const wxString& file) +bool wxTextCtrl::IsModified() const { - if ( wxTextCtrlBase::LoadFile(file) ) - { - // update the size limit if needed - AdjustSpaceLimit(); - - return TRUE; - } - - return FALSE; + return SendMessage(GetHwnd(), EM_GETMODIFY, 0, 0) != 0; } -bool wxTextCtrl::IsModified() const +void wxTextCtrl::MarkDirty() { - return (SendMessage(GetHwnd(), EM_GETMODIFY, 0, 0) != 0); + SendMessage(GetHwnd(), EM_SETMODIFY, TRUE, 0L); } -// Makes 'unmodified' void wxTextCtrl::DiscardEdits() { SendMessage(GetHwnd(), EM_SETMODIFY, FALSE, 0L); @@ -892,13 +1302,16 @@ int wxTextCtrl::GetNumberOfLines() const return (int)SendMessage(GetHwnd(), EM_GETLINECOUNT, (WPARAM)0, (LPARAM)0); } +// ---------------------------------------------------------------------------- +// Positions <-> coords +// ---------------------------------------------------------------------------- + long wxTextCtrl::XYToPosition(long x, long y) const { - HWND hWnd = GetHwnd(); - // This gets the char index for the _beginning_ of this line - int charIndex = (int)SendMessage(hWnd, EM_LINEINDEX, (WPARAM)y, (LPARAM)0); - return (long)(x + charIndex); + long charIndex = SendMessage(GetHwnd(), EM_LINEINDEX, (WPARAM)y, (LPARAM)0); + + return charIndex + x; } bool wxTextCtrl::PositionToXY(long pos, long *x, long *y) const @@ -906,15 +1319,17 @@ bool wxTextCtrl::PositionToXY(long pos, long *x, long *y) const HWND hWnd = GetHwnd(); // This gets the line number containing the character - int lineNo; + long lineNo; #if wxUSE_RICHEDIT if ( IsRich() ) { - lineNo = (int)SendMessage(hWnd, EM_EXLINEFROMCHAR, 0, (LPARAM)pos); + lineNo = SendMessage(hWnd, EM_EXLINEFROMCHAR, 0, (LPARAM)pos); } else #endif // wxUSE_RICHEDIT - lineNo = (int)SendMessage(hWnd, EM_LINEFROMCHAR, (WPARAM)pos, 0); + { + lineNo = SendMessage(hWnd, EM_LINEFROMCHAR, (WPARAM)pos, 0); + } if ( lineNo == -1 ) { @@ -923,7 +1338,7 @@ bool wxTextCtrl::PositionToXY(long pos, long *x, long *y) const } // This gets the char index for the _beginning_ of this line - int charIndex = (int)SendMessage(hWnd, EM_LINEINDEX, (WPARAM)lineNo, (LPARAM)0); + long charIndex = SendMessage(hWnd, EM_LINEINDEX, (WPARAM)lineNo, (LPARAM)0); if ( charIndex == -1 ) { return FALSE; @@ -931,13 +1346,106 @@ bool wxTextCtrl::PositionToXY(long pos, long *x, long *y) const // The X position must therefore be the different between pos and charIndex if ( x ) - *x = (long)(pos - charIndex); + *x = pos - charIndex; if ( y ) - *y = (long)lineNo; + *y = lineNo; 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(); @@ -963,11 +1471,16 @@ void wxTextCtrl::ShowPosition(long pos) (void)SendMessage(hWnd, EM_LINESCROLL, (WPARAM)0, (LPARAM)linesToScroll); } +long wxTextCtrl::GetLengthOfLineContainingPos(long pos) const +{ + return ::SendMessage(GetHwnd(), EM_LINELENGTH, (WPARAM)pos, 0); +} + int wxTextCtrl::GetLineLength(long lineNo) const { - long charIndex = XYToPosition(0, lineNo); - int len = (int)SendMessage(GetHwnd(), EM_LINELENGTH, charIndex, 0); - return len; + long pos = XYToPosition(0, lineNo); + + return GetLengthOfLineContainingPos(pos); } wxString wxTextCtrl::GetLineText(long lineNo) const @@ -978,14 +1491,37 @@ wxString wxTextCtrl::GetLineText(long lineNo) const // buffer len += sizeof(WORD); - wxString str; - wxChar *buf = str.GetWriteBuf(len); + wxString str; + { + wxStringBufferLength tmp(str, len); + wxChar *buf = tmp; + + *(WORD *)buf = (WORD)len; + len = (size_t)::SendMessage(GetHwnd(), EM_GETLINE, lineNo, (LPARAM)buf); + +#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 - *(WORD *)buf = (WORD)len; - len = (size_t)::SendMessage(GetHwnd(), EM_GETLINE, lineNo, (LPARAM)buf); - buf[len] = 0; + // 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--; + } - str.UngetWriteBuf(len); + buf[len] = 0; + tmp.SetLength(len); + } return str; } @@ -1018,12 +1554,33 @@ void wxTextCtrl::Redo() bool wxTextCtrl::CanUndo() const { - return (::SendMessage(GetHwnd(), EM_CANUNDO, 0, 0) != 0); + return ::SendMessage(GetHwnd(), EM_CANUNDO, 0, 0) != 0; } bool wxTextCtrl::CanRedo() const { - return (::SendMessage(GetHwnd(), EM_CANUNDO, 0, 0) != 0); + 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; } // ---------------------------------------------------------------------------- @@ -1058,7 +1615,7 @@ bool wxTextCtrl::MSWShouldPreProcessMessage(WXMSG* pMsg) // usual preprocessing for them if ( msg->message == WM_KEYDOWN ) { - WORD vkey = msg->wParam; + WORD vkey = (WORD) msg->wParam; if ( (HIWORD(msg->lParam) & KF_ALTDOWN) == KF_ALTDOWN ) { if ( vkey == VK_BACK ) @@ -1066,24 +1623,42 @@ bool wxTextCtrl::MSWShouldPreProcessMessage(WXMSG* pMsg) } else // no Alt { - if ( wxIsCtrlDown() ) - { - switch ( vkey ) - { - case 'C': - case 'V': - case 'X': - case VK_INSERT: - case VK_DELETE: - case VK_HOME: - case VK_END: - return FALSE; - } - } - else if ( wxIsShiftDown() ) + // we want to process some Ctrl-foo and Shift-bar but no key + // combinations without either Ctrl or Shift nor with both of them + // pressed + const int ctrl = wxIsCtrlDown(), + shift = wxIsShiftDown(); + switch ( ctrl + shift ) { - if ( vkey == VK_INSERT || vkey == VK_DELETE ) - return FALSE; + default: + wxFAIL_MSG( _T("how many modifiers have we got?") ); + // fall through + + case 0: + case 2: + break; + + case 1: + // either Ctrl or Shift pressed + if ( ctrl ) + { + switch ( vkey ) + { + case 'C': + case 'V': + case 'X': + case VK_INSERT: + case VK_DELETE: + case VK_HOME: + case VK_END: + return FALSE; + } + } + else // Shift is pressed + { + if ( vkey == VK_INSERT || vkey == VK_DELETE ) + return FALSE; + } } } } @@ -1093,10 +1668,10 @@ bool wxTextCtrl::MSWShouldPreProcessMessage(WXMSG* pMsg) void wxTextCtrl::OnChar(wxKeyEvent& event) { - switch ( event.KeyCode() ) + 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); @@ -1109,10 +1684,26 @@ void wxTextCtrl::OnChar(wxKeyEvent& event) break; case WXK_TAB: - // always produce navigation event - even if we process 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 + // 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 ( FindFocus() == this ) { wxNavigationKeyEvent eventNav; eventNav.SetDirection(!event.ShiftDown()); @@ -1129,9 +1720,75 @@ void wxTextCtrl::OnChar(wxKeyEvent& event) event.Skip(); } +WXLRESULT wxTextCtrl::MSWWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lParam) +{ + WXLRESULT lRc = wxTextCtrlBase::MSWWindowProc(nMsg, wParam, lParam); + + if ( nMsg == WM_GETDLGCODE ) + { + // we always want the chars and the arrows: the arrows for navigation + // and the chars because we want Ctrl-C to work even in a read only + // control + long lDlgCode = DLGC_WANTCHARS | DLGC_WANTARROWS; + + if ( IsEditable() ) + { + // we may have several different cases: + // 1. normal case: both TAB and ENTER are used for dlg navigation + // 2. ctrl which wants TAB for itself: ENTER is used to pass to the + // next control in the dialog + // 3. ctrl which wants ENTER for itself: TAB is used for dialog + // navigation + // 4. ctrl which wants both TAB and ENTER: Ctrl-ENTER is used to go + // to the next control + + // the multiline edit control should always get for itself + if ( HasFlag(wxTE_PROCESS_ENTER) || HasFlag(wxTE_MULTILINE) ) + lDlgCode |= DLGC_WANTMESSAGE; + + if ( HasFlag(wxTE_PROCESS_TAB) ) + lDlgCode |= DLGC_WANTTAB; + + lRc |= lDlgCode; + } + else // !editable + { + // NB: use "=", not "|=" as the base class version returns the + // same flags is this state as usual (i.e. including + // DLGC_WANTMESSAGE). This is strange (how does it work in the + // native Win32 apps?) but for now live with it. + lRc = lDlgCode; + } + } + + return lRc; +} + +// ---------------------------------------------------------------------------- +// text control event processing +// ---------------------------------------------------------------------------- + +bool wxTextCtrl::SendUpdateEvent() +{ + // is event reporting suspended? + if ( m_suppressNextUpdate ) + { + // do process the next one + m_suppressNextUpdate = FALSE; + + return FALSE; + } + + wxCommandEvent event(wxEVT_COMMAND_TEXT_UPDATED, GetId()); + InitCommandEvent(event); + event.SetString(GetValue()); + + return ProcessCommand(event); +} + bool wxTextCtrl::MSWCommand(WXUINT param, WXWORD WXUNUSED(id)) { - switch (param) + switch ( param ) { case EN_SETFOCUS: case EN_KILLFOCUS: @@ -1139,22 +1796,17 @@ bool wxTextCtrl::MSWCommand(WXUINT param, WXWORD WXUNUSED(id)) wxFocusEvent event(param == EN_KILLFOCUS ? wxEVT_KILL_FOCUS : wxEVT_SET_FOCUS, m_windowId); - event.SetEventObject( this ); + event.SetEventObject(this); GetEventHandler()->ProcessEvent(event); } break; case EN_CHANGE: - { - wxCommandEvent event(wxEVT_COMMAND_TEXT_UPDATED, m_windowId); - InitCommandEvent(event); - event.SetString(GetValue()); - ProcessCommand(event); - } + SendUpdateEvent(); break; case EN_MAXTEXT: - // the text size limit has been hit - increase it + // the text size limit has been hit -- try to increase it if ( !AdjustSpaceLimit() ) { wxCommandEvent event(wxEVT_COMMAND_TEXT_MAXLEN, m_windowId); @@ -1164,12 +1816,7 @@ bool wxTextCtrl::MSWCommand(WXUINT param, WXWORD WXUNUSED(id)) } break; - // the other notification messages are not processed - case EN_UPDATE: - case EN_ERRSPACE: - case EN_HSCROLL: - case EN_VSCROLL: - return FALSE; + // the other edit notification messages are not processed default: return FALSE; } @@ -1199,15 +1846,10 @@ 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) - colBack = wxSystemSettings::GetSystemColour(wxSYS_COLOUR_3DFACE); + colBack = wxSystemSettings::GetColour(wxSYS_COLOUR_3DFACE); ::SetBkColor(hdc, wxColourToRGB(colBack)); ::SetTextColor(hdc, wxColourToRGB(GetForegroundColour())); @@ -1217,42 +1859,8 @@ 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::GetSystemColour(wxSYS_COLOUR_WINDOW); -#endif - - RECT rect; - ::GetClientRect(GetHwnd(), &rect); - - COLORREF ref = PALETTERGB(col.Red(), - col.Green(), - col.Blue()); - 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 @@ -1294,7 +1902,6 @@ bool wxTextCtrl::AdjustSpaceLimit() ::SendMessage(GetHwnd(), EM_LIMITTEXT, limit, 0); } } -#endif // !Win16 // we changed the limit return TRUE; @@ -1302,8 +1909,10 @@ bool wxTextCtrl::AdjustSpaceLimit() bool wxTextCtrl::AcceptsFocus() const { - // we don't want focus if we can't be edited - return IsEditable() && wxControl::AcceptsFocus(); + // we don't want focus if we can't be edited unless we're a multiline + // control because then it might be still nice to get focus from keyboard + // to be able to scroll it without mouse + return (IsEditable() || IsMultiLine()) && wxControl::AcceptsFocus(); } wxSize wxTextCtrl::DoGetBestSize() const @@ -1313,13 +1922,17 @@ wxSize wxTextCtrl::DoGetBestSize() const 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); } @@ -1352,6 +1965,19 @@ void wxTextCtrl::OnRedo(wxCommandEvent& WXUNUSED(event)) Redo(); } +void wxTextCtrl::OnDelete(wxCommandEvent& WXUNUSED(event)) +{ + long from, to; + GetSelection(& from, & to); + if (from != -1 && to != -1) + Remove(from, to); +} + +void wxTextCtrl::OnSelectAll(wxCommandEvent& WXUNUSED(event)) +{ + SetSelection(-1, -1); +} + void wxTextCtrl::OnUpdateCut(wxUpdateUIEvent& event) { event.Enable( CanCut() ); @@ -1377,6 +2003,53 @@ void wxTextCtrl::OnUpdateRedo(wxUpdateUIEvent& event) event.Enable( CanRedo() ); } +void wxTextCtrl::OnUpdateDelete(wxUpdateUIEvent& event) +{ + long from, to; + GetSelection(& from, & to); + event.Enable(from != -1 && to != -1 && from != to && IsEditable()) ; +} + +void wxTextCtrl::OnUpdateSelectAll(wxUpdateUIEvent& event) +{ + event.Enable(GetLastPosition() > 0); +} + +void wxTextCtrl::OnRightClick(wxMouseEvent& event) +{ +#if wxUSE_RICHEDIT + if (IsRich()) + { + if (!m_privateContextMenu) + { + m_privateContextMenu = new wxMenu; + m_privateContextMenu->Append(wxID_UNDO, _("&Undo")); + m_privateContextMenu->Append(wxID_REDO, _("&Redo")); + m_privateContextMenu->AppendSeparator(); + m_privateContextMenu->Append(wxID_CUT, _("Cu&t")); + m_privateContextMenu->Append(wxID_COPY, _("&Copy")); + m_privateContextMenu->Append(wxID_PASTE, _("&Paste")); + m_privateContextMenu->Append(wxID_CLEAR, _("&Delete")); + m_privateContextMenu->AppendSeparator(); + m_privateContextMenu->Append(wxID_SELECTALL, _("Select &All")); + } + PopupMenu(m_privateContextMenu, event.GetPosition()); + return; + } + else +#endif + 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 @@ -1387,74 +2060,100 @@ void wxTextCtrl::OnUpdateRedo(wxUpdateUIEvent& event) bool wxTextCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result) { NMHDR *hdr = (NMHDR* )lParam; - if ( hdr->code == EN_LINK ) + switch ( hdr->code ) { - ENLINK *enlink = (ENLINK *)hdr; - - switch ( enlink->msg ) - { - case WM_SETCURSOR: - // ok, so it is hardcoded - do we really nee to customize it? - ::SetCursor(GetHcursorOf(wxCursor(wxCURSOR_HAND))); - *result = TRUE; - break; - - case WM_MOUSEMOVE: - case WM_LBUTTONDOWN: - case WM_LBUTTONUP: - case WM_LBUTTONDBLCLK: - case WM_RBUTTONDOWN: - case WM_RBUTTONUP: - case WM_RBUTTONDBLCLK: - // send a mouse event + case EN_MSGFILTER: + { + const MSGFILTER *msgf = (MSGFILTER *)lParam; + UINT msg = msgf->msg; + + // this is a bit crazy but richedit 1.0 sends us all mouse + // events _except_ WM_LBUTTONUP (don't ask me why) so we have + // generate the wxWin events for this message manually + // + // NB: in fact, this is still not totally correct as it does + // send us WM_LBUTTONUP if the selection was cleared by the + // last click -- so currently we get 2 events in this case, + // but as I don't see any obvious way to check for this I + // leave this code in place because it's still better than + // not getting left up events at all + if ( msg == WM_LBUTTONUP ) { - static const wxEventType eventsMouse[] = - { - wxEVT_MOTION, - wxEVT_LEFT_DOWN, - wxEVT_LEFT_UP, - wxEVT_LEFT_DCLICK, - wxEVT_RIGHT_DOWN, - wxEVT_RIGHT_UP, - wxEVT_RIGHT_DCLICK, - }; - - // the event ids are consecutive - wxMouseEvent - evtMouse(eventsMouse[enlink->msg - WM_MOUSEMOVE]); - - InitMouseEvent(evtMouse, - GET_X_LPARAM(enlink->lParam), - GET_Y_LPARAM(enlink->lParam), - enlink->wParam); - - wxTextUrlEvent event(m_windowId, evtMouse, - enlink->chrg.cpMin, - enlink->chrg.cpMax); - - InitCommandEvent(event); - - *result = ProcessCommand(event); + WXUINT flags = msgf->wParam; + int x = GET_X_LPARAM(msgf->lParam), + y = GET_Y_LPARAM(msgf->lParam); + + HandleMouseEvent(msg, x, y, flags); } - break; - } + } - return TRUE; + // return TRUE to process the event (and FALSE to ignore it) + return TRUE; + + case EN_LINK: + { + const ENLINK *enlink = (ENLINK *)hdr; + + switch ( enlink->msg ) + { + case WM_SETCURSOR: + // ok, so it is hardcoded - do we really nee to + // customize it? + ::SetCursor(GetHcursorOf(wxCursor(wxCURSOR_HAND))); + *result = TRUE; + break; + + case WM_MOUSEMOVE: + case WM_LBUTTONDOWN: + case WM_LBUTTONUP: + case WM_LBUTTONDBLCLK: + case WM_RBUTTONDOWN: + case WM_RBUTTONUP: + case WM_RBUTTONDBLCLK: + // send a mouse event + { + static const wxEventType eventsMouse[] = + { + wxEVT_MOTION, + wxEVT_LEFT_DOWN, + wxEVT_LEFT_UP, + wxEVT_LEFT_DCLICK, + wxEVT_RIGHT_DOWN, + wxEVT_RIGHT_UP, + wxEVT_RIGHT_DCLICK, + }; + + // the event ids are consecutive + wxMouseEvent + evtMouse(eventsMouse[enlink->msg - WM_MOUSEMOVE]); + + InitMouseEvent(evtMouse, + GET_X_LPARAM(enlink->lParam), + GET_Y_LPARAM(enlink->lParam), + enlink->wParam); + + wxTextUrlEvent event(m_windowId, evtMouse, + enlink->chrg.cpMin, + enlink->chrg.cpMax); + + InitCommandEvent(event); + + *result = ProcessCommand(event); + } + break; + } + } + return TRUE; } - // not processed - return FALSE; + // not processed, leave it to the base class + return wxTextCtrlBase::MSWOnNotify(idCtrl, lParam, result); } // ---------------------------------------------------------------------------- // colour setting for the rich edit controls // ---------------------------------------------------------------------------- -// Watcom C++ doesn't define this -#ifndef SCF_ALL -#define SCF_ALL 0x0004 -#endif - bool wxTextCtrl::SetBackgroundColour(const wxColour& colour) { if ( !wxTextCtrlBase::SetBackgroundColour(colour) ) @@ -1499,6 +2198,8 @@ bool wxTextCtrl::SetForegroundColour(const wxColour& colour) // styling support for rich edit controls // ---------------------------------------------------------------------------- +#if wxUSE_RICHEDIT + bool wxTextCtrl::SetStyle(long start, long end, const wxTextAttr& style) { if ( !IsRich() ) @@ -1507,10 +2208,11 @@ bool wxTextCtrl::SetStyle(long start, long end, const wxTextAttr& style) return FALSE; } - // the rich text control doesn't handle setting background colour, so don't - // even try if it's the only thing we want to change - if ( wxRichEditModule::GetLoadedVersion() < 2 && - !style.HasFont() && !style.HasTextColour() ) + // the richedit 1.0 doesn't handle setting background colour, so don't + // even try to do anything if it's the only thing we want to change + if ( m_verRichEdit == 1 && !style.HasFont() && !style.HasTextColour() && + !style.HasLeftIndent() && !style.HasRightIndent() && !style.HasAlignment() && + !style.HasTabs() ) { // nothing to do: return TRUE if there was really nothing to do and // FALSE if we failed to set bg colour @@ -1544,8 +2246,23 @@ bool wxTextCtrl::SetStyle(long start, long end, const wxTextAttr& style) #else CHARFORMAT cf; #endif + wxZeroMemory(cf); - cf.cbSize = sizeof(cf); + + // we can't use CHARFORMAT2 with RichEdit 1.0, so pretend it is a simple + // CHARFORMAT in that case +#if wxUSE_RICHEDIT2 + if ( m_verRichEdit == 1 ) + { + // this is the only thing the control is going to grok + cf.cbSize = sizeof(CHARFORMAT); + } + else +#endif + { + // CHARFORMAT or CHARFORMAT2 + cf.cbSize = sizeof(cf); + } if ( style.HasFont() ) { @@ -1594,7 +2311,7 @@ bool wxTextCtrl::SetStyle(long start, long end, const wxTextAttr& style) } #if wxUSE_RICHEDIT2 - if ( wxRichEditModule::GetLoadedVersion() > 1 && style.HasBackgroundColour() ) + if ( m_verRichEdit != 1 && style.HasBackgroundColour() ) { cf.dwMask |= CFM_BACKCOLOR; cf.crBackColor = wxColourToRGB(style.GetBackgroundColour()); @@ -1609,6 +2326,81 @@ bool wxTextCtrl::SetStyle(long start, long end, const wxTextAttr& style) wxLogDebug(_T("SendMessage(EM_SETCHARFORMAT, SCF_SELECTION) failed")); } + // now do the paragraph formatting + PARAFORMAT2 pf; + wxZeroMemory(pf); + // we can't use PARAFORMAT2 with RichEdit 1.0, so pretend it is a simple + // PARAFORMAT in that case +#if wxUSE_RICHEDIT2 + if ( m_verRichEdit == 1 ) + { + // this is the only thing the control is going to grok + pf.cbSize = sizeof(PARAFORMAT); + } + else +#endif + { + // PARAFORMAT or PARAFORMAT2 + pf.cbSize = sizeof(pf); + } + + if (style.HasAlignment()) + { + pf.dwMask |= PFM_ALIGNMENT; + if (style.GetAlignment() == wxTEXT_ALIGNMENT_RIGHT) + pf.wAlignment = PFA_RIGHT; + else if (style.GetAlignment() == wxTEXT_ALIGNMENT_CENTRE) + pf.wAlignment = PFA_CENTER; + else if (style.GetAlignment() == wxTEXT_ALIGNMENT_JUSTIFIED) + pf.wAlignment = PFA_JUSTIFY; + else + pf.wAlignment = PFA_LEFT; + } + + if (style.HasLeftIndent()) + { + pf.dwMask |= PFM_STARTINDENT; + + // Convert from 1/10 mm to TWIPS + pf.dxStartIndent = (int) (((double) style.GetLeftIndent()) * mm2twips / 10.0) ; + + // TODO: do we need to specify dxOffset? + } + + if (style.HasRightIndent()) + { + pf.dwMask |= PFM_RIGHTINDENT; + + // Convert from 1/10 mm to TWIPS + pf.dxRightIndent = (int) (((double) style.GetRightIndent()) * mm2twips / 10.0) ; + } + + if (style.HasTabs()) + { + pf.dwMask |= PFM_TABSTOPS; + + const wxArrayInt& tabs = style.GetTabs(); + + pf.cTabCount = wxMin(tabs.GetCount(), MAX_TAB_STOPS); + size_t i; + for (i = 0; i < (size_t) pf.cTabCount; i++) + { + // Convert from 1/10 mm to TWIPS + pf.rgxTabs[i] = (int) (((double) tabs[i]) * mm2twips / 10.0) ; + } + } + + if (pf.dwMask != 0) + { + // do format the selection + bool ok = ::SendMessage(GetHwnd(), EM_SETPARAFORMAT, + 0, (LPARAM) &pf) != 0; + if ( !ok ) + { + wxLogDebug(_T("SendMessage(EM_SETPARAFORMAT, 0) failed")); + } + } + if ( changeSel ) { // restore the original selection @@ -1618,6 +2410,152 @@ bool wxTextCtrl::SetStyle(long start, long end, const wxTextAttr& style) return ok; } +bool wxTextCtrl::SetDefaultStyle(const wxTextAttr& style) +{ + if ( !wxTextCtrlBase::SetDefaultStyle(style) ) + return FALSE; + + // we have to do this or the style wouldn't apply for the text typed by the + // user + long posLast = GetLastPosition(); + SetStyle(posLast, posLast, m_defaultStyle); + + return TRUE; +} + +bool wxTextCtrl::GetStyle(long position, wxTextAttr& style) +{ + if ( !IsRich() ) + { + // can't do it with normal text control + return FALSE; + } + + // initialize CHARFORMAT struct +#if wxUSE_RICHEDIT2 + CHARFORMAT2 cf; +#else + CHARFORMAT cf; +#endif + + wxZeroMemory(cf); + + // we can't use CHARFORMAT2 with RichEdit 1.0, so pretend it is a simple + // CHARFORMAT in that case +#if wxUSE_RICHEDIT2 + if ( m_verRichEdit == 1 ) + { + // this is the only thing the control is going to grok + cf.cbSize = sizeof(CHARFORMAT); + } + else +#endif + { + // CHARFORMAT or CHARFORMAT2 + cf.cbSize = sizeof(cf); + } + // we can only change the format of the selection, so select the range we + // want and restore the old selection later + long startOld, endOld; + GetSelection(&startOld, &endOld); + + // but do we really have to change the selection? + bool changeSel = position != startOld || position != endOld; + + if ( changeSel ) + { + DoSetSelection(position, position, FALSE /* don't scroll caret into view */); + } + + // get the selection formatting + (void) ::SendMessage(GetHwnd(), EM_GETCHARFORMAT, + SCF_SELECTION, (LPARAM)&cf) ; + + LOGFONT lf; + lf.lfHeight = cf.yHeight; + lf.lfWidth = 0; + lf.lfCharSet = ANSI_CHARSET; // FIXME: how to get correct charset? + lf.lfClipPrecision = 0; + lf.lfEscapement = 0; + wxStrcpy(lf.lfFaceName, cf.szFaceName); + if (cf.dwEffects & CFE_ITALIC) + lf.lfItalic = TRUE; + lf.lfOrientation = 0; + lf.lfPitchAndFamily = cf.bPitchAndFamily; + lf.lfQuality = 0; + if (cf.dwEffects & CFE_STRIKEOUT) + lf.lfStrikeOut = TRUE; + if (cf.dwEffects & CFE_UNDERLINE) + lf.lfUnderline = TRUE; + if (cf.dwEffects & CFE_BOLD) + lf.lfWeight = FW_BOLD; + + wxFont font = wxCreateFontFromLogFont(& lf); + if (font.Ok()) + { + style.SetFont(font); + } + style.SetTextColour(wxColour(cf.crTextColor)); + +#if wxUSE_RICHEDIT2 + if ( m_verRichEdit != 1 ) + { + // cf.dwMask |= CFM_BACKCOLOR; + style.SetBackgroundColour(wxColour(cf.crBackColor)); + } +#endif // wxUSE_RICHEDIT2 + + // now get the paragraph formatting + PARAFORMAT2 pf; + wxZeroMemory(pf); + // we can't use PARAFORMAT2 with RichEdit 1.0, so pretend it is a simple + // PARAFORMAT in that case +#if wxUSE_RICHEDIT2 + if ( m_verRichEdit == 1 ) + { + // this is the only thing the control is going to grok + pf.cbSize = sizeof(PARAFORMAT); + } + else +#endif + { + // PARAFORMAT or PARAFORMAT2 + pf.cbSize = sizeof(pf); + } + + // do format the selection + (void) ::SendMessage(GetHwnd(), EM_GETPARAFORMAT, 0, (LPARAM) &pf) ; + + style.SetLeftIndent( (int) ((double) pf.dxStartIndent * twips2mm * 10.0) ); + style.SetRightIndent( (int) ((double) pf.dxRightIndent * twips2mm * 10.0) ); + + if (pf.wAlignment == PFA_CENTER) + style.SetAlignment(wxTEXT_ALIGNMENT_CENTRE); + else if (pf.wAlignment == PFA_RIGHT) + style.SetAlignment(wxTEXT_ALIGNMENT_RIGHT); + else if (pf.wAlignment == PFA_JUSTIFY) + style.SetAlignment(wxTEXT_ALIGNMENT_JUSTIFIED); + else + style.SetAlignment(wxTEXT_ALIGNMENT_LEFT); + + wxArrayInt tabStops; + size_t i; + for (i = 0; i < (size_t) pf.cTabCount; i++) + { + tabStops[i] = (int) ((double) (pf.rgxTabs[i] & 0xFFFF) * twips2mm * 10.0) ; + } + + if ( changeSel ) + { + // restore the original selection + DoSetSelection(startOld, endOld, FALSE); + } + + return TRUE; +} + +#endif + // ---------------------------------------------------------------------------- // wxRichEditModule // ---------------------------------------------------------------------------- @@ -1630,48 +2568,49 @@ bool wxRichEditModule::OnInit() void wxRichEditModule::OnExit() { - if ( ms_hRichEdit ) + for ( size_t i = 0; i < WXSIZEOF(ms_hRichEdit); i++ ) { - FreeLibrary(ms_hRichEdit); + if ( ms_hRichEdit[i] ) + { + ::FreeLibrary(ms_hRichEdit[i]); + ms_hRichEdit[i] = NULL; + } } } /* static */ bool wxRichEditModule::Load(int version) { - wxCHECK_MSG( version >= 1 && version <= 3, FALSE, + // we don't support loading richedit 3.0 as I don't know how to distinguish + // it from 2.0 anyhow + wxCHECK_MSG( version == 1 || version == 2, FALSE, _T("incorrect richedit control version requested") ); - if ( version <= ms_verRichEdit ) + // make it the index in the array + version--; + + if ( ms_hRichEdit[version] == (HINSTANCE)-1 ) { - // we've already got this or better - return TRUE; + // we had already tried to load it and failed + return FALSE; } - if ( ms_hRichEdit ) + if ( ms_hRichEdit[version] ) { - ::FreeLibrary(ms_hRichEdit); + // we've already got this one + return TRUE; } - // always try load riched20.dll first - like this we won't have to reload - // it later if we're first asked for RE 1 and then for RE 2 or 3 - wxString dllname = _T("riched20.dll"); - ms_hRichEdit = ::LoadLibrary(dllname); - ms_verRichEdit = 2; // no way to tell if it's 2 or 3, assume 2 + wxString dllname = version ? _T("riched20") : _T("riched32"); + dllname += _T(".dll"); - if ( !ms_hRichEdit && (version == 1) ) - { - // fall back to RE 1 - dllname = _T("riched32.dll"); - ms_hRichEdit = ::LoadLibrary(dllname); - ms_verRichEdit = 1; - } + ms_hRichEdit[version] = ::LoadLibrary(dllname); - if ( !ms_hRichEdit ) + if ( !ms_hRichEdit[version] ) { wxLogSysError(_("Could not load Rich Edit DLL '%s'"), dllname.c_str()); - ms_verRichEdit = -1; + ms_hRichEdit[version] = (HINSTANCE)-1; return FALSE; }