X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/48fa6bd38ac743f4067e74d4168168ae3a4a068e..d2a931c9f745c69b8e9ccf72648b426fe064ff78:/src/msw/textctrl.cpp diff --git a/src/msw/textctrl.cpp b/src/msw/textctrl.cpp index 6cbd982bc6..02f25eabc3 100644 --- a/src/msw/textctrl.cpp +++ b/src/msw/textctrl.cpp @@ -1,5 +1,5 @@ ///////////////////////////////////////////////////////////////////////////// -// Name: msw/textctrl.cpp +// Name: src/msw/textctrl.cpp // Purpose: wxTextCtrl // Author: Julian Smart // Modified by: @@ -13,10 +13,6 @@ // declarations // ============================================================================ -#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA) - #pragma implementation "textctrl.h" -#endif - // ---------------------------------------------------------------------------- // headers // ---------------------------------------------------------------------------- @@ -39,9 +35,11 @@ #include "wx/log.h" #include "wx/app.h" #include "wx/menu.h" + #include "wx/math.h" + #include "wx/module.h" #endif -#include "wx/module.h" +#include "wx/sysopt.h" #if wxUSE_CLIPBOARD #include "wx/clipbrd.h" @@ -53,6 +51,7 @@ #include "wx/msw/private.h" #include "wx/msw/winundef.h" +#include "wx/msw/mslu.h" #include #include @@ -63,16 +62,20 @@ #if wxUSE_RICHEDIT +#if wxUSE_INKEDIT +#include "wx/dynlib.h" +#endif + // 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 -#include "wx/msw/missing.h" - #endif // wxUSE_RICHEDIT +#include "wx/msw/missing.h" + // ---------------------------------------------------------------------------- // private classes // ---------------------------------------------------------------------------- @@ -83,25 +86,82 @@ class wxRichEditModule : public wxModule { public: + enum Version + { + Version_1, // riched32.dll + Version_2or3, // both use riched20.dll + Version_41, // msftedit.dll (XP SP1 and Windows 2003) + Version_Max + }; + virtual bool OnInit(); virtual void OnExit(); - // load the richedit DLL of at least of required version - static bool Load(int version = 1); + // load the richedit DLL for the specified version of rich edit + static bool Load(Version version); + +#if wxUSE_INKEDIT + // load the InkEdit library + static bool LoadInkEdit(); +#endif private: // the handles to richedit 1.0 and 2.0 (or 3.0) DLLs - static HINSTANCE ms_hRichEdit[2]; + static HINSTANCE ms_hRichEdit[Version_Max]; + +#if wxUSE_INKEDIT + static wxDynamicLibrary ms_inkEditLib; + static bool ms_inkEditLibLoadAttemped; +#endif DECLARE_DYNAMIC_CLASS(wxRichEditModule) }; -HINSTANCE wxRichEditModule::ms_hRichEdit[2] = { NULL, NULL }; +HINSTANCE wxRichEditModule::ms_hRichEdit[Version_Max] = { NULL, NULL, NULL }; + +#if wxUSE_INKEDIT +wxDynamicLibrary wxRichEditModule::ms_inkEditLib; +bool wxRichEditModule::ms_inkEditLibLoadAttemped = false; +#endif IMPLEMENT_DYNAMIC_CLASS(wxRichEditModule, wxModule) #endif // wxUSE_RICHEDIT +// a small class used to set m_updatesCount to 0 (to filter duplicate events if +// necessary) and to reset it back to -1 afterwards +class UpdatesCountFilter +{ +public: + UpdatesCountFilter(int& count) + : m_count(count) + { + wxASSERT_MSG( m_count == -1 || m_count == -2, + _T("wrong initial m_updatesCount value") ); + + if (m_count != -2) + m_count = 0; + //else: we don't want to count how many update events we get as we're going + // to ignore all of them + } + + ~UpdatesCountFilter() + { + m_count = -1; + } + + // return true if an event has been received + bool GotUpdate() const + { + return m_count == 1; + } + +private: + int& m_count; + + DECLARE_NO_COPY_CLASS(UpdatesCountFilter) +}; + // ---------------------------------------------------------------------------- // event tables and other macros // ---------------------------------------------------------------------------- @@ -151,7 +211,7 @@ wxBEGIN_FLAGS( wxTextCtrlStyle ) wxFLAGS_MEMBER(wxTE_CENTRE) wxFLAGS_MEMBER(wxTE_RIGHT) wxFLAGS_MEMBER(wxTE_DONTWRAP) - wxFLAGS_MEMBER(wxTE_LINEWRAP) + wxFLAGS_MEMBER(wxTE_CHARWRAP) wxFLAGS_MEMBER(wxTE_WORDWRAP) wxEND_FLAGS( wxTextCtrlStyle ) @@ -172,16 +232,16 @@ wxEND_HANDLERS_TABLE() wxCONSTRUCTOR_6( wxTextCtrl , wxWindow* , Parent , wxWindowID , Id , wxString , Value , wxPoint , Position , wxSize , Size , long , WindowStyle) #else -IMPLEMENT_DYNAMIC_CLASS(wxTextCtrl, wxControl) +IMPLEMENT_DYNAMIC_CLASS(wxTextCtrl, wxTextCtrlBase) #endif -BEGIN_EVENT_TABLE(wxTextCtrl, wxControl) +BEGIN_EVENT_TABLE(wxTextCtrl, wxTextCtrlBase) EVT_CHAR(wxTextCtrl::OnChar) EVT_DROP_FILES(wxTextCtrl::OnDropFiles) #if wxUSE_RICHEDIT - EVT_RIGHT_UP(wxTextCtrl::OnRightClick) + EVT_CONTEXT_MENU(wxTextCtrl::OnContextMenu) #endif EVT_MENU(wxID_CUT, wxTextCtrl::OnCut) @@ -217,10 +277,13 @@ void wxTextCtrl::Init() m_verRichEdit = 0; #endif // wxUSE_RICHEDIT +#if wxUSE_INKEDIT && wxUSE_RICHEDIT + m_isInkEdit = 0; +#endif + m_privateContextMenu = NULL; - m_suppressNextUpdate = false; + m_updatesCount = -1; m_isNativeCaretShown = true; - m_isCaretAtEnd = true; } wxTextCtrl::~wxTextCtrl() @@ -228,7 +291,8 @@ wxTextCtrl::~wxTextCtrl() delete m_privateContextMenu; } -bool wxTextCtrl::Create(wxWindow *parent, wxWindowID id, +bool wxTextCtrl::Create(wxWindow *parent, + wxWindowID id, const wxString& value, const wxPoint& pos, const wxSize& size, @@ -245,12 +309,28 @@ bool wxTextCtrl::Create(wxWindow *parent, wxWindowID id, if ( !CreateControl(parent, id, pos, size, style, validator, name) ) return false; + if ( !MSWCreateText(value, pos, size) ) + return false; + + return true; +} + +bool wxTextCtrl::MSWCreateText(const wxString& value, + const wxPoint& pos, + const wxSize& size) +{ // translate wxWin style flags to MSW ones WXDWORD msStyle = MSWGetCreateWindowFlags(); // do create the control - either an EDIT or RICHEDIT wxString windowClass = wxT("EDIT"); +#if defined(__POCKETPC__) || defined(__SMARTPHONE__) + // A control that capitalizes the first letter + if ( HasFlag(wxTE_CAPITALIZE) ) + windowClass = wxT("CAPEDIT"); +#endif + #if wxUSE_RICHEDIT if ( m_windowStyle & wxTE_AUTO_URL ) { @@ -267,65 +347,90 @@ bool wxTextCtrl::Create(wxWindow *parent, wxWindowID id, // 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 - - // 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 + // versions 2.0, 3.0 and 4.1 of rich edit are mostly compatible with + // each other but not with version 1.0, so we have separate flags for + // the version 1.0 and the others (and so m_verRichEdit may be 0 (plain + // EDIT control), 1 for version 1.0 or 2 for any higher version) // - // 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) + // notice that 1.0 has no Unicode support at all so in Unicode build we + // must use another version + #if wxUSE_UNICODE - const int verRichEdit = 2; + m_verRichEdit = 2; #else // !wxUSE_UNICODE - int verRichEdit = m_windowStyle & wxTE_RICH2 ? 2 : 1; + m_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 ) +#if wxUSE_INKEDIT + // First test if we can load an ink edit control. Normally, all edit + // controls will be made ink edit controls if a tablet environment is + // found (or if msw.inkedit != 0 and the InkEd.dll is present). + // However, an application can veto ink edit controls by either specifying + // msw.inkedit = 0 or by removing wxTE_RICH[2] from the style. + // + if ((wxSystemSettings::HasFeature(wxSYS_TABLET_PRESENT) || wxSystemOptions::GetOptionInt(wxT("msw.inkedit")) != 0) && + !(wxSystemOptions::HasOption(wxT("msw.inkedit")) && wxSystemOptions::GetOptionInt(wxT("msw.inkedit")) == 0)) { - // try to load the RichEdit DLL (will do nothing if already done) - if ( !wxRichEditModule::Load(verRichEdit) ) + if (wxRichEditModule::LoadInkEdit()) { -#if !wxUSE_UNICODE - // try another version? - verRichEdit = 3 - verRichEdit; // 1 <-> 2 + windowClass = INKEDIT_CLASS; - if ( !wxRichEditModule::Load(verRichEdit) ) -#endif // wxUSE_UNICODE - { - wxLogError(_("Impossible to create a rich edit control, using simple text control instead. Please reinstall riched32.dll")); +#if wxUSE_INKEDIT && wxUSE_RICHEDIT + m_isInkEdit = 1; +#endif - s_errorGiven = true; - } + // Fake rich text version for other calls + m_verRichEdit = 2; } } +#endif - // have we managed to load any richedit version? - if ( !s_errorGiven ) + if (!IsInkEdit()) { - m_verRichEdit = verRichEdit; - if ( m_verRichEdit == 1 ) + if ( m_verRichEdit == 2 ) { - windowClass = wxT("RICHEDIT"); - } - else - { -#ifndef RICHEDIT_CLASS - wxString RICHEDIT_CLASS; - RICHEDIT_CLASS.Printf(_T("RichEdit%d0"), m_verRichEdit); + if ( wxRichEditModule::Load(wxRichEditModule::Version_41) ) + { + // yes, class name for version 4.1 really is 5.0 + windowClass = _T("RICHEDIT50W"); + } + else if ( wxRichEditModule::Load(wxRichEditModule::Version_2or3) ) + { + windowClass = _T("RichEdit20") #if wxUSE_UNICODE - RICHEDIT_CLASS += _T('W'); + _T("W"); #else // ANSI - RICHEDIT_CLASS += _T('A'); + _T("A"); #endif // Unicode/ANSI -#endif // !RICHEDIT_CLASS + } + else // failed to load msftedit.dll and riched20.dll + { + m_verRichEdit = 1; + } + } + + if ( m_verRichEdit == 1 ) + { + if ( wxRichEditModule::Load(wxRichEditModule::Version_1) ) + { + windowClass = _T("RICHEDIT"); + } + else // failed to load any richedit control DLL + { + // only give the error msg once if the DLL can't be loaded + static bool s_errorGiven = false; // MT ok as only used by GUI - windowClass = RICHEDIT_CLASS; + if ( !s_errorGiven ) + { + wxLogError(_("Impossible to create a rich edit control, using simple text control instead. Please reinstall riched32.dll")); + + s_errorGiven = true; + } + + m_verRichEdit = 0; + } } - } + } // !useInkEdit } #endif // wxUSE_RICHEDIT @@ -344,17 +449,40 @@ bool wxTextCtrl::Create(wxWindow *parent, wxWindowID id, return false; #if wxUSE_RICHEDIT - if ( IsRich() ) + if (IsRich()) { +#if wxUSE_INKEDIT + if (IsInkEdit()) + { + // Pass IEM_InsertText (0) as wParam, in order to have the ink always + // converted to text. + ::SendMessage(GetHwnd(), EM_SETINKINSERTMODE, 0, 0); + + // Make sure the mouse can be used for input + ::SendMessage(GetHwnd(), EM_SETUSEMOUSEFORINPUT, 1, 0); + } +#endif + // enable the events we're interested in: we want to get EN_CHANGE as // for the normal controls LPARAM mask = ENM_CHANGE; - if ( GetRichVersion() == 1 ) + if (GetRichVersion() == 1 && !IsInkEdit()) { // we also need EN_MSGFILTER for richedit 1.0 for the reasons // explained in its handler mask |= ENM_MOUSEEVENTS; + + // we also need to force the appearance of the vertical scrollbar + // initially as otherwise the control doesn't refresh correctly + // after resize: but once the vertical scrollbar had been shown + // (even if it's subsequently hidden) it does + // + // this is clearly a bug and for now it has been only noticed under + // Windows XP, so if we're sure it works correctly under other + // systems we could do this only for XP + SetSize(-1, 1); // 1 is small enough to force vert scrollbar + SetInitialSize(size); } else if ( m_windowStyle & wxTE_AUTO_URL ) { @@ -419,9 +547,6 @@ WXDWORD wxTextCtrl::MSWGetStyle(long style, WXDWORD *exstyle) const // 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) ) { @@ -483,6 +608,60 @@ WXDWORD wxTextCtrl::MSWGetStyle(long style, WXDWORD *exstyle) const void wxTextCtrl::SetWindowStyleFlag(long style) { + // changing the alignment of the control dynamically only works under XP + // (but not older Windows version) and only for plain EDIT controls (not + // RICH ones) and we have to recreate the control to make it always work + if ( IsRich() || wxGetWinVersion() < wxWinVersion_XP ) + { + const long alignMask = wxTE_LEFT | wxTE_CENTRE | wxTE_RIGHT; + if ( (style & alignMask) != (GetWindowStyle() & alignMask) ) + { + const wxString value = GetValue(); + const wxPoint pos = GetPosition(); + const wxSize size = GetSize(); + + // delete the old window + HWND hwnd = GetHwnd(); + DissociateHandle(); + ::DestroyWindow(hwnd); + + // create the new one with the updated flags + m_windowStyle = style; + MSWCreateText(value, pos, size); + + // and make sure it has the same attributes as before + if ( m_hasFont ) + { + // calling SetFont(m_font) would do nothing as the code would + // notice that the font didn't change, so force it to believe + // that it did + wxFont font = m_font; + m_font = wxNullFont; + SetFont(font); + } + + if ( m_hasFgCol ) + { + wxColour colFg = m_foregroundColour; + m_foregroundColour = wxNullColour; + SetForegroundColour(colFg); + } + + if ( m_hasBgCol ) + { + wxColour colBg = m_backgroundColour; + m_backgroundColour = wxNullColour; + SetBackgroundColour(colBg); + } + + // note that text styles are lost but this is probably not a big + // problem: if you use styles, you probably don't use nor change + // alignment flags anyhow + + return; + } + } + #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 @@ -504,6 +683,15 @@ void wxTextCtrl::SetWindowStyleFlag(long style) // set/get the controls text // ---------------------------------------------------------------------------- +bool wxTextCtrl::IsEmpty() const +{ + // this is an optimization for multiline controls containing a lot of text + if ( IsMultiLine() && GetNumberOfLines() != 1 ) + return false; + + return wxTextCtrlBase::IsEmpty(); +} + wxString wxTextCtrl::GetValue() const { // range 0..-1 is special for GetRange() and means to retrieve all text @@ -627,7 +815,7 @@ wxString wxTextCtrl::GetRange(long from, long to) const return str; } -void wxTextCtrl::SetValue(const wxString& value) +void wxTextCtrl::DoSetValue(const wxString& value, int flags) { // if the text is long enough, it's faster to just set it instead of first // comparing it with the old one (chances are that it will be different @@ -635,22 +823,27 @@ void wxTextCtrl::SetValue(const wxString& value) // edit controls mostly) if ( (value.length() > 0x400) || (value != GetValue()) ) { - DoWriteText(value, false /* not selection only */); + DoWriteText(value, flags /* doesn't include SelectionOnly here */); + + // 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); } else // same text { + // still reset the modified flag even if the value didn't really change + // because now it comes from the program and not the user (and do it + // before generating the event so that the event handler could get the + // expected value from IsModified()) + DiscardEdits(); + // still send an event for consistency - SendUpdateEvent(); + if (flags & SetValue_SendEvent) + 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 || wxUSE_UNICODE_MSLU) @@ -751,13 +944,8 @@ wxTextCtrl::StreamIn(const wxString& value, // the cast below is needed for broken (very) old mingw32 headers eds.pfnCallback = (EDITSTREAMCALLBACK)wxRichEditStreamIn; - // we're going to receive 2 EN_CHANGE notifications if we got any selection - // (same problem as in DoWriteText()) - if ( selectionOnly && HasSelection() ) - { - // so suppress one of them - m_suppressNextUpdate = true; - } + // same problem as in DoWriteText(): we can get multiple events here + UpdatesCountFilter ucf(m_updatesCount); ::SendMessage(GetHwnd(), EM_STREAMIN, SF_TEXT | @@ -765,6 +953,11 @@ wxTextCtrl::StreamIn(const wxString& value, (selectionOnly ? SFF_SELECTION : 0), (LPARAM)&eds); + // It's okay for EN_UPDATE to not be sent if the selection is empty and + // the text is empty, otherwise warn the programmer about it. + wxASSERT_MSG( ucf.GotUpdate() || ( !HasSelection() && value.empty() ), + _T("EM_STREAMIN didn't send EN_UPDATE?") ); + if ( eds.dwError ) { wxLogLastError(_T("EM_STREAMIN")); @@ -847,8 +1040,9 @@ void wxTextCtrl::WriteText(const wxString& value) DoWriteText(value); } -void wxTextCtrl::DoWriteText(const wxString& value, bool selectionOnly) +void wxTextCtrl::DoWriteText(const wxString& value, int flags) { + bool selectionOnly = (flags & SetValue_SelectionOnly) != 0; wxString valueDos; if ( m_windowStyle & wxTE_MULTILINE ) valueDos = wxTextFile::Translate(value, wxTextFileType_Dos); @@ -906,36 +1100,24 @@ void wxTextCtrl::DoWriteText(const wxString& value, bool selectionOnly) #endif // wxUSE_RICHEDIT { // 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; - } + // call (this happens for plain EDITs with EM_REPLACESEL and under some + // -- undetermined -- conditions with rich edit) and sometimes we don't + // get any events at all (plain EDIT with WM_SETTEXT), so ensure that + // we generate exactly one of them by ignoring all but the first one in + // SendUpdateEvent() and generating one ourselves if we hadn't got any + // notifications from Windows + if ( !(flags & SetValue_SendEvent) ) + m_updatesCount = -2; // suppress any update event + + UpdatesCountFilter ucf(m_updatesCount); ::SendMessage(GetHwnd(), selectionOnly ? EM_REPLACESEL : WM_SETTEXT, - 0, (LPARAM)valueDos.c_str()); + // EM_REPLACESEL takes 1 to indicate the operation should be redoable + selectionOnly ? 1 : 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 - ) + if ( !ucf.GotUpdate() && (flags & SetValue_SendEvent) ) { - // Windows already sends an update event for single-line - // controls. - if ( m_windowStyle & wxTE_MULTILINE ) - SendUpdateEvent(); + SendUpdateEvent(); } } } @@ -1078,8 +1260,6 @@ void wxTextCtrl::SetEditable(bool editable) void wxTextCtrl::SetInsertionPoint(long pos) { DoSetSelection(pos, pos); - - m_isCaretAtEnd = pos == GetLastPosition(); } void wxTextCtrl::SetInsertionPointEnd() @@ -1089,9 +1269,9 @@ void wxTextCtrl::SetInsertionPointEnd() // 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 ( m_isCaretAtEnd || GetInsertionPoint() == GetLastPosition() ) + const wxTextPos lastPosition = GetLastPosition(); + if ( GetInsertionPoint() == lastPosition ) { - m_isCaretAtEnd = true; return; } @@ -1106,7 +1286,7 @@ void wxTextCtrl::SetInsertionPointEnd() else // !RichEdit 1.0 #endif // wxUSE_RICHEDIT { - pos = GetLastPosition(); + pos = lastPosition; } SetInsertionPoint(pos); @@ -1129,7 +1309,7 @@ long wxTextCtrl::GetInsertionPoint() const return Pos & 0xFFFF; } -long wxTextCtrl::GetLastPosition() const +wxTextPos wxTextCtrl::GetLastPosition() const { int numLines = GetNumberOfLines(); long posStartLastLine = XYToPosition(0, numLines - 1); @@ -1230,10 +1410,14 @@ void wxTextCtrl::DoSetSelection(long from, long to, bool scrollCaret) // ES_DISABLENOSCROLL // // this is very ugly but I don't see any other way to make this work + long style = 0; if ( GetRichVersion() > 1 ) { if ( !HasFlag(wxTE_NOHIDESEL) ) { + // setting ECO_NOHIDESEL also sets WS_VISIBLE and possibly + // others, remember the style so we can reset it later if needed + style = ::GetWindowLong(GetHwnd(), GWL_STYLE); ::SendMessage(GetHwnd(), EM_SETOPTIONS, ECOOP_OR, ECO_NOHIDESEL); } @@ -1249,6 +1433,8 @@ void wxTextCtrl::DoSetSelection(long from, long to, bool scrollCaret) { ::SendMessage(GetHwnd(), EM_SETOPTIONS, ECOOP_AND, ~ECO_NOHIDESEL); + if ( style != ::GetWindowLong(GetHwnd(), GWL_STYLE) ) + ::SetWindowLong(GetHwnd(), GWL_STYLE, style); } #endif // wxUSE_RICHEDIT } @@ -1258,9 +1444,9 @@ void wxTextCtrl::DoSetSelection(long from, long to, bool scrollCaret) // Working with files // ---------------------------------------------------------------------------- -bool wxTextCtrl::LoadFile(const wxString& file) +bool wxTextCtrl::DoLoadFile(const wxString& file, int fileType) { - if ( wxTextCtrlBase::LoadFile(file) ) + if ( wxTextCtrlBase::DoLoadFile(file, fileType) ) { // update the size limit if needed AdjustSpaceLimit(); @@ -1280,7 +1466,7 @@ 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 */); + DoWriteText(value); } void wxTextCtrl::Remove(long from, long to) @@ -1472,9 +1658,6 @@ void wxTextCtrl::ShowPosition(long pos) if (linesToScroll != 0) (void)::SendMessage(hWnd, EM_LINESCROLL, (WPARAM)0, (LPARAM)linesToScroll); - - // be pessimistic - m_isCaretAtEnd = false; } long wxTextCtrl::GetLengthOfLineContainingPos(long pos) const @@ -1535,11 +1718,22 @@ wxString wxTextCtrl::GetLineText(long lineNo) const void wxTextCtrl::SetMaxLength(unsigned long len) { #if wxUSE_RICHEDIT - if (IsRich()) - ::SendMessage(GetHwnd(), EM_EXLIMITTEXT, 0, (LPARAM) (DWORD) len); + if ( IsRich() ) + { + ::SendMessage(GetHwnd(), EM_EXLIMITTEXT, 0, len ? len : 0x7fffffff); + } else -#endif - ::SendMessage(GetHwnd(), EM_LIMITTEXT, len, 0); +#endif // wxUSE_RICHEDIT + { + if ( len >= 0xffff ) + { + // this will set it to a platform-dependent maximum (much more + // than 64Kb under NT) + len = 0; + } + + ::SendMessage(GetHwnd(), EM_LIMITTEXT, len, 0); + } } // ---------------------------------------------------------------------------- @@ -1551,9 +1745,6 @@ void wxTextCtrl::Undo() if (CanUndo()) { ::SendMessage(GetHwnd(), EM_UNDO, 0, 0); - - // it's not necessarily at the end any more - m_isCaretAtEnd = false; } } @@ -1568,9 +1759,6 @@ void wxTextCtrl::Redo() #endif // Same as Undo, since Undo undoes the undo, i.e. a redo. ::SendMessage(GetHwnd(), EM_UNDO, 0, 0); - - // it's not necessarily at the end any more - m_isCaretAtEnd = false; } } @@ -1633,18 +1821,17 @@ void wxTextCtrl::OnDropFiles(wxDropFilesEvent& event) // kbd input processing // ---------------------------------------------------------------------------- -bool wxTextCtrl::MSWShouldPreProcessMessage(WXMSG* pMsg) +bool wxTextCtrl::MSWShouldPreProcessMessage(WXMSG* msg) { - MSG *msg = (MSG *)pMsg; - // check for our special keys here: if we don't do it and the parent frame // uses them as accelerators, they wouldn't work at all, so we disable // usual preprocessing for them if ( msg->message == WM_KEYDOWN ) { - WORD vkey = (WORD) msg->wParam; - if ( (HIWORD(msg->lParam) & KF_ALTDOWN) == KF_ALTDOWN ) + const WPARAM vkey = msg->wParam; + if ( HIWORD(msg->lParam) & KF_ALTDOWN ) { + // Alt-Backspace is accelerator for "Undo" if ( vkey == VK_BACK ) return false; } @@ -1662,6 +1849,9 @@ bool wxTextCtrl::MSWShouldPreProcessMessage(WXMSG* pMsg) // fall through case 0: + if ( IsMultiLine() && vkey == VK_RETURN ) + return false; + // fall through case 2: break; @@ -1690,7 +1880,7 @@ bool wxTextCtrl::MSWShouldPreProcessMessage(WXMSG* pMsg) } } - return wxControl::MSWShouldPreProcessMessage(pMsg); + return wxControl::MSWShouldPreProcessMessage(msg); } void wxTextCtrl::OnChar(wxKeyEvent& event) @@ -1698,16 +1888,15 @@ void wxTextCtrl::OnChar(wxKeyEvent& event) switch ( event.GetKeyCode() ) { case WXK_RETURN: - if ( !HasFlag(wxTE_MULTILINE) ) { wxCommandEvent event(wxEVT_COMMAND_TEXT_ENTER, m_windowId); InitCommandEvent(event); event.SetString(GetValue()); if ( GetEventHandler()->ProcessEvent(event) ) + if ( !HasFlag(wxTE_MULTILINE) ) return; + //else: multiline controls need Enter for themselves } - //else: multiline controls need Enter for themselves - break; case WXK_TAB: @@ -1743,6 +1932,7 @@ void wxTextCtrl::OnChar(wxKeyEvent& event) // Insert tab since calling the default Windows handler // doesn't seem to do it WriteText(wxT("\t")); + return; } break; } @@ -1755,41 +1945,53 @@ WXLRESULT wxTextCtrl::MSWWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lPara { WXLRESULT lRc = wxTextCtrlBase::MSWWindowProc(nMsg, wParam, lParam); - if ( nMsg == WM_GETDLGCODE ) + switch ( nMsg ) { - // 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; + case 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; - } + if ( IsEditable() ) + { + // we may have several different cases: + // 1. normal: both TAB and ENTER are used for navigation + // 2. ctrl wants TAB for itself: ENTER is used to pass to + // the next control in the dialog + // 3. ctrl wants ENTER for itself: TAB is used for dialog + // navigation + // 4. ctrl wants both TAB and ENTER: Ctrl-ENTER is used to + // go to the next control (we need some way to do it) + + // multiline controls should always get ENTER for themselves + 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; + } + } + break; + + case WM_CUT: + case WM_COPY: + case WM_PASTE: + if ( HandleClipboardEvent(nMsg) ) + lRc = 0; + break; } return lRc; @@ -1801,18 +2003,34 @@ WXLRESULT wxTextCtrl::MSWWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lPara bool wxTextCtrl::SendUpdateEvent() { - // is event reporting suspended? - if ( m_suppressNextUpdate ) + switch ( m_updatesCount ) { - // do process the next one - m_suppressNextUpdate = false; + case 0: + // remember that we've got an update + m_updatesCount++; + break; - return false; + case 1: + // we had already sent one event since the last control modification + return false; + + default: + wxFAIL_MSG( _T("unexpected wxTextCtrl::m_updatesCount value") ); + // fall through + + case -1: + // we hadn't updated the control ourselves, this event comes from + // the user, don't need to ignore it nor update the count + break; + + case -2: + // the control was updated programmatically and we do NOT want to + // send events + return false; } wxCommandEvent event(wxEVT_COMMAND_TEXT_UPDATED, GetId()); InitCommandEvent(event); - event.SetString(GetValue()); return ProcessCommand(event); } @@ -1856,56 +2074,44 @@ bool wxTextCtrl::MSWCommand(WXUINT param, WXWORD WXUNUSED(id)) return true; } -WXHBRUSH wxTextCtrl::MSWControlColor(WXHDC hDC) +WXHBRUSH wxTextCtrl::MSWControlColor(WXHDC hDC, WXHWND hWnd) { if ( !IsEnabled() && !HasFlag(wxTE_MULTILINE) ) return MSWControlColorDisabled(hDC); - return wxTextCtrlBase::MSWControlColorSolid(hDC); + return wxTextCtrlBase::MSWControlColor(hDC, hWnd); } -bool wxTextCtrl::AdjustSpaceLimit() +bool wxTextCtrl::HasSpaceLimit(unsigned int *len) const { - unsigned int limit = ::SendMessage(GetHwnd(), EM_GETLIMITTEXT, 0, 0); - // HACK: we try to automatically extend the limit for the amount of text // to allow (interactively) entering more than 64Kb of text under // Win9x but we shouldn't reset the text limit which was previously // set explicitly with SetMaxLength() // - // we could solve this by storing the limit we set in wxTextCtrl but - // to save space we prefer to simply test here the actual limit - // value: we consider that SetMaxLength() can only be called for - // values < 32Kb - if ( limit < 0x8000 ) - { - // we've got more text than limit set by SetMaxLength() + // Unfortunately there is no EM_GETLIMITTEXTSETBYUSER and so we don't + // know the limit we set (if any). We could solve this by storing the + // limit we set in wxTextCtrl but to save space we prefer to simply + // test here the actual limit value: we consider that SetMaxLength() + // can only be called for small values while EN_MAXTEXT is only sent + // for large values (in practice the default limit seems to be 30000 + // but make it smaller just to be on the safe side) + *len = ::SendMessage(GetHwnd(), EM_GETLIMITTEXT, 0, 0); + return *len < 10001; + +} + +bool wxTextCtrl::AdjustSpaceLimit() +{ + unsigned int limit; + if ( HasSpaceLimit(&limit) ) return false; - } unsigned int len = ::GetWindowTextLength(GetHwnd()); if ( len >= limit ) { - limit = len + 0x8000; // 32Kb - -#if wxUSE_RICHEDIT - if ( IsRich() ) - { - // as a nice side effect, this also allows passing limit > 64Kb - ::SendMessage(GetHwnd(), EM_EXLIMITTEXT, 0, limit); - } - else -#endif // wxUSE_RICHEDIT - { - if ( limit > 0xffff ) - { - // this will set it to a platform-dependent maximum (much more - // than 64Kb under NT) - limit = 0; - } - - ::SendMessage(GetHwnd(), EM_LIMITTEXT, limit, 0); - } + // increment in 32Kb chunks + SetMaxLength(len + 0x8000); } // we changed the limit @@ -1930,7 +2136,7 @@ wxSize wxTextCtrl::DoGetBestSize() const int hText = cy; if ( m_windowStyle & wxTE_MULTILINE ) { - hText *= wxMax(GetNumberOfLines(), 5); + hText *= wxMax(wxMin(GetNumberOfLines(), 10), 2); } //else: for single line control everything is ok @@ -2020,7 +2226,7 @@ void wxTextCtrl::OnUpdateSelectAll(wxUpdateUIEvent& event) event.Enable(GetLastPosition() > 0); } -void wxTextCtrl::OnRightClick(wxMouseEvent& event) +void wxTextCtrl::OnContextMenu(wxContextMenuEvent& event) { #if wxUSE_RICHEDIT if (IsRich()) @@ -2038,7 +2244,7 @@ void wxTextCtrl::OnRightClick(wxMouseEvent& event) m_privateContextMenu->AppendSeparator(); m_privateContextMenu->Append(wxID_SELECTALL, _("Select &All")); } - PopupMenu(m_privateContextMenu, event.GetPosition()); + PopupMenu(m_privateContextMenu); return; } else @@ -2055,6 +2261,23 @@ void wxTextCtrl::OnSetFocus(wxFocusEvent& WXUNUSED(event)) } } +// ---------------------------------------------------------------------------- +// Default colors for MSW text control +// +// Set default background color to the native white instead of +// the default wxSYS_COLOUR_BTNFACE (is triggered with wxNullColour). +// ---------------------------------------------------------------------------- + +wxVisualAttributes wxTextCtrl::GetDefaultAttributes() const +{ + wxVisualAttributes attrs; + attrs.font = wxSystemSettings::GetFont(wxSYS_DEFAULT_GUI_FONT); + attrs.colFg = wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOWTEXT); + attrs.colBg = wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOW); //white + + return attrs; +} + // the rest of the file only deals with the rich edit controls #if wxUSE_RICHEDIT @@ -2158,23 +2381,6 @@ bool wxTextCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result) return wxTextCtrlBase::MSWOnNotify(idCtrl, lParam, result); } -// ---------------------------------------------------------------------------- -// Default colors for MSW text control -// -// Set default background color to the native white instead of -// the default wxSYS_COLOUR_BTNFACE (is triggered with wxNullColour). -// ---------------------------------------------------------------------------- - -wxVisualAttributes wxTextCtrl::GetDefaultAttributes() const -{ - wxVisualAttributes attrs; - attrs.font = wxSystemSettings::GetFont(wxSYS_DEFAULT_GUI_FONT); - attrs.colFg = wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOWTEXT); - attrs.colBg = wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOW); //white - - return attrs; -} - // ---------------------------------------------------------------------------- // colour setting for the rich edit controls // ---------------------------------------------------------------------------- @@ -2414,11 +2620,23 @@ bool wxTextCtrl::SetStyle(long start, long end, const wxTextAttr& style) } } - if (pf.dwMask != 0) +#if wxUSE_RICHEDIT2 + if ( m_verRichEdit > 1 ) + { + if ( wxTheApp->GetLayoutDirection() == wxLayout_RightToLeft ) + { + // Use RTL paragraphs in RTL mode to get proper layout + pf.dwMask |= PFM_RTLPARA; + pf.wEffects |= PFE_RTLPARA; + } + } +#endif // wxUSE_RICHEDIT2 + + if ( pf.dwMask ) { // do format the selection bool ok = ::SendMessage(GetHwnd(), EM_SETPARAFORMAT, - 0, (LPARAM) &pf) != 0; + 0, (LPARAM) &pf) != 0; if ( !ok ) { wxLogDebug(_T("SendMessage(EM_SETPARAFORMAT, 0) failed")); @@ -2443,7 +2661,7 @@ bool wxTextCtrl::SetDefaultStyle(const wxTextAttr& style) { // we have to do this or the style wouldn't apply for the text typed by // the user - long posLast = GetLastPosition(); + wxTextPos posLast = GetLastPosition(); SetStyle(posLast, posLast, m_defaultStyle); } @@ -2491,7 +2709,7 @@ bool wxTextCtrl::GetStyle(long position, wxTextAttr& style) if ( changeSel ) { - DoSetSelection(position, position, false /* don't scroll caret into view */); + DoSetSelection(position, position+1, false /* don't scroll caret into view */); } // get the selection formatting @@ -2508,7 +2726,7 @@ bool wxTextCtrl::GetStyle(long position, wxTextAttr& style) wxStrcpy(lf.lfFaceName, cf.szFaceName); //NOTE: we _MUST_ set each of these values to _something_ since we - //do not call wxZeroMemory on the LOGFONT lf + //do not call wxZeroMemory on the LOGFONT lf if (cf.dwEffects & CFE_ITALIC) lf.lfItalic = TRUE; else @@ -2603,6 +2821,8 @@ bool wxTextCtrl::GetStyle(long position, wxTextAttr& style) // wxRichEditModule // ---------------------------------------------------------------------------- +static const HINSTANCE INVALID_HINSTANCE = (HINSTANCE)-1; + bool wxRichEditModule::OnInit() { // don't do anything - we will load it when needed @@ -2613,26 +2833,22 @@ void wxRichEditModule::OnExit() { for ( size_t i = 0; i < WXSIZEOF(ms_hRichEdit); i++ ) { - if ( ms_hRichEdit[i] ) + if ( ms_hRichEdit[i] && ms_hRichEdit[i] != INVALID_HINSTANCE ) { ::FreeLibrary(ms_hRichEdit[i]); ms_hRichEdit[i] = NULL; } } +#if wxUSE_INKEDIT + if (ms_inkEditLib.IsLoaded()) + ms_inkEditLib.Unload(); +#endif } /* static */ -bool wxRichEditModule::Load(int version) +bool wxRichEditModule::Load(Version version) { - // 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") ); - - // make it the index in the array - version--; - - if ( ms_hRichEdit[version] == (HINSTANCE)-1 ) + if ( ms_hRichEdit[version] == INVALID_HINSTANCE ) { // we had already tried to load it and failed return false; @@ -2644,16 +2860,21 @@ bool wxRichEditModule::Load(int version) return true; } - wxString dllname = version ? _T("riched20") : _T("riched32"); - dllname += _T(".dll"); + static const wxChar *dllnames[] = + { + _T("riched32"), + _T("riched20"), + _T("msftedit"), + }; + + wxCOMPILE_TIME_ASSERT( WXSIZEOF(dllnames) == Version_Max, + RichEditDllNamesVersionsMismatch ); - ms_hRichEdit[version] = ::LoadLibrary(dllname); + ms_hRichEdit[version] = ::LoadLibrary(dllnames[version]); if ( !ms_hRichEdit[version] ) { - wxLogSysError(_("Could not load Rich Edit DLL '%s'"), dllname.c_str()); - - ms_hRichEdit[version] = (HINSTANCE)-1; + ms_hRichEdit[version] = INVALID_HINSTANCE; return false; } @@ -2661,6 +2882,23 @@ bool wxRichEditModule::Load(int version) return true; } +#if wxUSE_INKEDIT +// load the InkEdit library +bool wxRichEditModule::LoadInkEdit() +{ + static wxDynamicLibrary ms_inkEditLib; + static bool ms_inkEditLibLoadAttemped; + if (ms_inkEditLibLoadAttemped) + ms_inkEditLib.IsLoaded(); + + ms_inkEditLibLoadAttemped = true; + + wxLogNull logNull; + return ms_inkEditLib.Load(wxT("inked")); +} +#endif + + #endif // wxUSE_RICHEDIT #endif // wxUSE_TEXTCTRL && !(__SMARTPHONE__ && __WXWINCE__)