X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/9a3952fad895c37a0ae8c34a968b7ae7ff8b9a55..440ddb750f4b9d9a4bb968a4f2ee07f3b307cf17:/src/msw/textctrl.cpp diff --git a/src/msw/textctrl.cpp b/src/msw/textctrl.cpp index 9630d087b9..b4f5be57ef 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: @@ -30,15 +30,17 @@ #include "wx/textctrl.h" #include "wx/settings.h" #include "wx/brush.h" + #include "wx/dcclient.h" #include "wx/utils.h" #include "wx/intl.h" #include "wx/log.h" #include "wx/app.h" #include "wx/menu.h" #include "wx/math.h" + #include "wx/module.h" + #include "wx/wxcrtvararg.h" #endif -#include "wx/module.h" #include "wx/sysopt.h" #if wxUSE_CLIPBOARD @@ -51,6 +53,7 @@ #include "wx/msw/private.h" #include "wx/msw/winundef.h" +#include "wx/msw/mslu.h" #include #include @@ -71,9 +74,18 @@ #include #endif +#endif // wxUSE_RICHEDIT + #include "wx/msw/missing.h" -#endif // wxUSE_RICHEDIT +#if wxUSE_DRAG_AND_DROP && wxUSE_RICHEDIT + +// dummy value used for m_dropTarget, different from any valid pointer value +// (which are all even under Windows) and NULL +static wxDropTarget * + wxRICHTEXT_DEFAULT_DROPTARGET = reinterpret_cast(1); + +#endif // wxUSE_DRAG_AND_DROP && wxUSE_RICHEDIT // ---------------------------------------------------------------------------- // private classes @@ -135,9 +147,13 @@ public: UpdatesCountFilter(int& count) : m_count(count) { - wxASSERT_MSG( m_count == -1, _T("wrong initial m_updatesCount value") ); + wxASSERT_MSG( m_count == -1 || m_count == -2, + wxT("wrong initial m_updatesCount value") ); - m_count = 0; + 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() @@ -154,85 +170,16 @@ public: private: int& m_count; - DECLARE_NO_COPY_CLASS(UpdatesCountFilter) + wxDECLARE_NO_COPY_CLASS(UpdatesCountFilter); }; // ---------------------------------------------------------------------------- // event tables and other macros // ---------------------------------------------------------------------------- -#if wxUSE_EXTENDED_RTTI -WX_DEFINE_FLAGS( wxTextCtrlStyle ) - -wxBEGIN_FLAGS( wxTextCtrlStyle ) - // new style border flags, we put them first to - // use them for streaming out - wxFLAGS_MEMBER(wxBORDER_SIMPLE) - wxFLAGS_MEMBER(wxBORDER_SUNKEN) - wxFLAGS_MEMBER(wxBORDER_DOUBLE) - wxFLAGS_MEMBER(wxBORDER_RAISED) - wxFLAGS_MEMBER(wxBORDER_STATIC) - wxFLAGS_MEMBER(wxBORDER_NONE) - - // old style border flags - wxFLAGS_MEMBER(wxSIMPLE_BORDER) - wxFLAGS_MEMBER(wxSUNKEN_BORDER) - wxFLAGS_MEMBER(wxDOUBLE_BORDER) - wxFLAGS_MEMBER(wxRAISED_BORDER) - wxFLAGS_MEMBER(wxSTATIC_BORDER) - wxFLAGS_MEMBER(wxBORDER) - - // standard window styles - wxFLAGS_MEMBER(wxTAB_TRAVERSAL) - wxFLAGS_MEMBER(wxCLIP_CHILDREN) - wxFLAGS_MEMBER(wxTRANSPARENT_WINDOW) - wxFLAGS_MEMBER(wxWANTS_CHARS) - wxFLAGS_MEMBER(wxFULL_REPAINT_ON_RESIZE) - wxFLAGS_MEMBER(wxALWAYS_SHOW_SB ) - wxFLAGS_MEMBER(wxVSCROLL) - wxFLAGS_MEMBER(wxHSCROLL) - - wxFLAGS_MEMBER(wxTE_PROCESS_ENTER) - wxFLAGS_MEMBER(wxTE_PROCESS_TAB) - wxFLAGS_MEMBER(wxTE_MULTILINE) - wxFLAGS_MEMBER(wxTE_PASSWORD) - wxFLAGS_MEMBER(wxTE_READONLY) - wxFLAGS_MEMBER(wxHSCROLL) - wxFLAGS_MEMBER(wxTE_RICH) - wxFLAGS_MEMBER(wxTE_RICH2) - wxFLAGS_MEMBER(wxTE_AUTO_URL) - wxFLAGS_MEMBER(wxTE_NOHIDESEL) - wxFLAGS_MEMBER(wxTE_LEFT) - wxFLAGS_MEMBER(wxTE_CENTRE) - wxFLAGS_MEMBER(wxTE_RIGHT) - wxFLAGS_MEMBER(wxTE_DONTWRAP) - wxFLAGS_MEMBER(wxTE_LINEWRAP) - wxFLAGS_MEMBER(wxTE_WORDWRAP) - -wxEND_FLAGS( wxTextCtrlStyle ) - -IMPLEMENT_DYNAMIC_CLASS_XTI(wxTextCtrl, wxControl,"wx/textctrl.h") - -wxBEGIN_PROPERTIES_TABLE(wxTextCtrl) - wxEVENT_PROPERTY( TextUpdated , wxEVT_COMMAND_TEXT_UPDATED , wxCommandEvent ) - wxEVENT_PROPERTY( TextEnter , wxEVT_COMMAND_TEXT_ENTER , wxCommandEvent ) - - wxPROPERTY( Font , wxFont , SetFont , GetFont , EMPTY_MACROVALUE, 0 /*flags*/ , wxT("Helpstring") , wxT("group") ) - wxPROPERTY( Value , wxString , SetValue, GetValue, wxString() , 0 /*flags*/ , wxT("Helpstring") , wxT("group")) - wxPROPERTY_FLAGS( WindowStyle , wxTextCtrlStyle , long , SetWindowStyleFlag , GetWindowStyleFlag , EMPTY_MACROVALUE , 0 /*flags*/ , wxT("Helpstring") , wxT("group")) // style -wxEND_PROPERTIES_TABLE() - -wxBEGIN_HANDLERS_TABLE(wxTextCtrl) -wxEND_HANDLERS_TABLE() - -wxCONSTRUCTOR_6( wxTextCtrl , wxWindow* , Parent , wxWindowID , Id , wxString , Value , wxPoint , Position , wxSize , Size , long , WindowStyle) -#else -IMPLEMENT_DYNAMIC_CLASS(wxTextCtrl, wxControl) -#endif - - -BEGIN_EVENT_TABLE(wxTextCtrl, wxControl) +BEGIN_EVENT_TABLE(wxTextCtrl, wxTextCtrlBase) EVT_CHAR(wxTextCtrl::OnChar) + EVT_KEY_DOWN(wxTextCtrl::OnKeyDown) EVT_DROP_FILES(wxTextCtrl::OnDropFiles) #if wxUSE_RICHEDIT @@ -283,10 +230,19 @@ void wxTextCtrl::Init() wxTextCtrl::~wxTextCtrl() { +#if wxUSE_DRAG_AND_DROP && wxUSE_RICHEDIT + if ( m_dropTarget == wxRICHTEXT_DEFAULT_DROPTARGET ) + { + // don't try to destroy this dummy pointer in the base class dtor + m_dropTarget = NULL; + } +#endif // wxUSE_DRAG_AND_DROP && wxUSE_RICHEDIT + 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, @@ -294,15 +250,45 @@ bool wxTextCtrl::Create(wxWindow *parent, wxWindowID id, const wxValidator& validator, const wxString& name) { -#ifdef __WXWINCE__ - if ((style & wxBORDER_MASK) == 0) - style |= wxBORDER_SIMPLE; -#endif - // base initialization if ( !CreateControl(parent, id, pos, size, style, validator, name) ) return false; + if ( !MSWCreateText(value, pos, size) ) + return false; + +#if wxUSE_DRAG_AND_DROP && wxUSE_RICHEDIT + if ( IsRich() ) + { + // rich text controls have a default associated drop target which + // allows them to receive (rich) text dropped on them, which is nice, + // but prevents us from associating a user-defined drop target with + // them as we need to unregister the old one first + // + // to make it work, we set m_dropTarget to this special value initially + // and check for it in our SetDropTarget() + m_dropTarget = wxRICHTEXT_DEFAULT_DROPTARGET; + } +#endif // wxUSE_DRAG_AND_DROP && wxUSE_RICHEDIT + + return true; +} + +// returns true if the platform should explicitly apply a theme border +bool wxTextCtrl::CanApplyThemeBorder() const +{ +#ifdef __WXWINCE__ + return false; +#else + // Standard text control already handles theming + return ((GetWindowStyle() & (wxTE_RICH|wxTE_RICH2)) != 0); +#endif +} + +bool wxTextCtrl::MSWCreateText(const wxString& value, + const wxPoint& pos, + const wxSize& size) +{ // translate wxWin style flags to MSW ones WXDWORD msStyle = MSWGetCreateWindowFlags(); @@ -311,7 +297,7 @@ bool wxTextCtrl::Create(wxWindow *parent, wxWindowID id, #if defined(__POCKETPC__) || defined(__SMARTPHONE__) // A control that capitalizes the first letter - if (style & wxTE_CAPITALIZE) + if ( HasFlag(wxTE_CAPITALIZE) ) windowClass = wxT("CAPEDIT"); #endif @@ -369,22 +355,26 @@ bool wxTextCtrl::Create(wxWindow *parent, wxWindowID id, } #endif +#if wxUSE_INKEDIT if (!IsInkEdit()) +#endif // wxUSE_INKEDIT { if ( m_verRichEdit == 2 ) - { + { if ( wxRichEditModule::Load(wxRichEditModule::Version_41) ) { // yes, class name for version 4.1 really is 5.0 - windowClass = _T("RICHEDIT50W"); + windowClass = wxT("RICHEDIT50W"); + + m_verRichEdit = 4; } else if ( wxRichEditModule::Load(wxRichEditModule::Version_2or3) ) { - windowClass = _T("RichEdit20") + windowClass = wxT("RichEdit20") #if wxUSE_UNICODE - _T("W"); + wxT("W"); #else // ANSI - _T("A"); + wxT("A"); #endif // Unicode/ANSI } else // failed to load msftedit.dll and riched20.dll @@ -397,7 +387,7 @@ bool wxTextCtrl::Create(wxWindow *parent, wxWindowID id, { if ( wxRichEditModule::Load(wxRichEditModule::Version_1) ) { - windowClass = _T("RICHEDIT"); + windowClass = wxT("RICHEDIT"); } else // failed to load any richedit control DLL { @@ -414,7 +404,7 @@ bool wxTextCtrl::Create(wxWindow *parent, wxWindowID id, m_verRichEdit = 0; } } - } // !useInkEdit + } // !useInkEdit } #endif // wxUSE_RICHEDIT @@ -429,9 +419,19 @@ bool wxTextCtrl::Create(wxWindow *parent, wxWindowID id, valueWin = value; } - if ( !MSWCreateControl(windowClass, msStyle, pos, size, valueWin) ) + // suppress events sent during control creation: we're called either from + // the ctor and then we shouldn't generate any events for compatibility + // with the other ports, or from SetWindowStyleFlag() and then we shouldn't + // generate the events because our text doesn't really change, the fact + // that we (sometimes) need to recreate the control is just an + // implementation detail + m_updatesCount = -2; + + if ( !MSWCreateControl(windowClass.t_str(), msStyle, pos, size, valueWin) ) return false; + m_updatesCount = -1; + #if wxUSE_RICHEDIT if (IsRich()) { @@ -441,12 +441,12 @@ bool wxTextCtrl::Create(wxWindow *parent, wxWindowID id, // 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; @@ -466,7 +466,7 @@ bool wxTextCtrl::Create(wxWindow *parent, wxWindowID id, // 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 - SetSize(size); + SetInitialSize(size); } else if ( m_windowStyle & wxTE_AUTO_URL ) { @@ -477,7 +477,28 @@ bool wxTextCtrl::Create(wxWindow *parent, wxWindowID id, ::SendMessage(GetHwnd(), EM_SETEVENTMASK, 0, mask); } + else #endif // wxUSE_RICHEDIT + if ( HasFlag(wxTE_MULTILINE) && HasFlag(wxTE_READONLY) ) + { + // non-rich read-only multiline controls have grey background by + // default under MSW but this is not always appropriate, so forcefully + // reset the background colour to normal default + // + // this is not ideal but, after a long discussion on wx-dev (see + // http://thread.gmane.org/gmane.comp.lib.wxwidgets.devel/116360/) it + // was finally deemed to be the best behaviour by default (and ideally + // we'd have a way to change this, see #11521) + SetBackgroundColour(GetClassDefaultAttributes().colBg); + } + +#ifndef __WXWINCE__ + // Without this, if we pass the size in the constructor and then don't change it, + // the themed borders will be drawn incorrectly. + SetWindowPos(GetHwnd(), NULL, 0, 0, 0, 0, + SWP_NOZORDER|SWP_NOMOVE|SWP_NOSIZE|SWP_NOACTIVATE| + SWP_FRAMECHANGED); +#endif return true; } @@ -494,16 +515,16 @@ void wxTextCtrl::AdoptAttributesFromHWND() #if wxUSE_RICHEDIT wxString classname = wxGetWindowClass(GetHWND()); - if ( classname.IsSameAs(_T("EDIT"), false /* no case */) ) + if ( classname.IsSameAs(wxT("EDIT"), false /* no case */) ) { m_verRichEdit = 0; } else // rich edit? { wxChar c; - if ( wxSscanf(classname, _T("RichEdit%d0%c"), &m_verRichEdit, &c) != 2 ) + if ( wxSscanf(classname, wxT("RichEdit%d0%c"), &m_verRichEdit, &c) != 2 ) { - wxLogDebug(_T("Unknown edit control '%s'."), classname.c_str()); + wxLogDebug(wxT("Unknown edit control '%s'."), classname.c_str()); m_verRichEdit = 0; } @@ -528,12 +549,9 @@ WXDWORD wxTextCtrl::MSWGetStyle(long style, WXDWORD *exstyle) const { long msStyle = wxControl::MSWGetStyle(style, exstyle); - // styles which we alaways add by default + // styles which we always 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) ) { @@ -595,6 +613,62 @@ WXDWORD wxTextCtrl::MSWGetStyle(long style, WXDWORD *exstyle) const void wxTextCtrl::SetWindowStyleFlag(long style) { + // changing the alignment of the control dynamically works under Win2003 + // (but not older Windows version: it seems to work under some versions of + // XP but not other ones, and we have no way to determine it so be + // conservative here) 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_2003 ) + { + 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 @@ -616,6 +690,15 @@ 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 @@ -652,18 +735,20 @@ wxString wxTextCtrl::GetRange(long from, long to) const wxFontEncoding encoding = wxFONTENCODING_SYSTEM; wxFont font = m_defaultStyle.GetFont(); - if ( !font.Ok() ) + if ( !font.IsOk() ) font = GetFont(); - if ( font.Ok() ) + if ( font.IsOk() ) { encoding = font.GetEncoding(); } +#if wxUSE_INTL if ( encoding == wxFONTENCODING_SYSTEM ) { encoding = wxLocale::GetSystemEncoding(); } +#endif // wxUSE_INTL if ( encoding == wxFONTENCODING_SYSTEM ) { @@ -704,8 +789,8 @@ wxString wxTextCtrl::GetRange(long from, long to) const // style - convert it to something reasonable for ( ; *p; p++ ) { - if ( *p == _T('\r') ) - *p = _T('\n'); + if ( *p == wxT('\r') ) + *p = wxT('\n'); } } } @@ -721,8 +806,9 @@ wxString wxTextCtrl::GetRange(long from, long to) const else #endif // wxUSE_RICHEDIT { - // retrieve all text - str = wxGetWindowText(GetHWND()); + // retrieve all text: wxTextEntry method works even for multiline + // controls and must be used for single line ones to account for hints + str = wxTextEntry::GetValue(); // need only a range? if ( from < to ) @@ -739,30 +825,35 @@ 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 // anyhow, this comparison is there to avoid flicker for small single-line // edit controls mostly) - if ( (value.length() > 0x400) || (value != GetValue()) ) + if ( (value.length() > 0x400) || (value != DoGetValue()) ) { - 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) @@ -770,7 +861,7 @@ void wxTextCtrl::SetValue(const wxString& value) // TODO: using memcpy() would improve performance a lot for big amounts of text DWORD CALLBACK -wxRichEditStreamIn(DWORD dwCookie, BYTE *buf, LONG cb, LONG *pcb) +wxRichEditStreamIn(DWORD_PTR dwCookie, BYTE *buf, LONG cb, LONG *pcb) { *pcb = 0; @@ -843,23 +934,21 @@ wxTextCtrl::StreamIn(const wxString& value, #else // !wxUSE_UNICODE_MSLU wxCSConv conv(encoding); - const size_t len = conv.MB2WC(NULL, value, value.length()); + const size_t len = conv.MB2WC(NULL, value.mb_str(), value.length()); -#if wxUSE_WCHAR_T - wxWCharBuffer wchBuf(len); + if (len == wxCONV_FAILED) + return false; + + wxWCharBuffer wchBuf(len); // allocates one extra character wchar_t *wpc = wchBuf.data(); -#else - wchar_t *wchBuf = (wchar_t *)malloc((len + 1)*sizeof(wchar_t)); - wchar_t *wpc = wchBuf; -#endif - conv.MB2WC(wpc, value, value.length()); + conv.MB2WC(wpc, value.mb_str(), len + 1); #endif // wxUSE_UNICODE_MSLU // finally, stream it in the control EDITSTREAM eds; wxZeroMemory(eds); - eds.dwCookie = (DWORD)&wpc; + eds.dwCookie = (DWORD_PTR)&wpc; // the cast below is needed for broken (very) old mingw32 headers eds.pfnCallback = (EDITSTREAMCALLBACK)wxRichEditStreamIn; @@ -875,17 +964,13 @@ wxTextCtrl::StreamIn(const wxString& value, // 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?") ); + wxT("EM_STREAMIN didn't send EN_UPDATE?") ); if ( eds.dwError ) { - wxLogLastError(_T("EM_STREAMIN")); + wxLogLastError(wxT("EM_STREAMIN")); } -#if !wxUSE_WCHAR_T - free(wchBuf); -#endif // !wxUSE_WCHAR_T - return true; } @@ -898,13 +983,8 @@ wxTextCtrl::StreamOut(wxFontEncoding encoding, bool selectionOnly) const 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; @@ -925,7 +1005,7 @@ wxTextCtrl::StreamOut(wxFontEncoding encoding, bool selectionOnly) const if ( eds.dwError ) { - wxLogLastError(_T("EM_STREAMOUT")); + wxLogLastError(wxT("EM_STREAMOUT")); } else // streamed out ok { @@ -937,16 +1017,13 @@ wxTextCtrl::StreamOut(wxFontEncoding encoding, bool selectionOnly) const // conversion but what else can we do) wxCSConv conv(encoding); size_t lenNeeded = conv.WC2MB(NULL, wchBuf, 0); - if ( lenNeeded++ ) + + if ( lenNeeded != wxCONV_FAILED && lenNeeded++ ) { conv.WC2MB(wxStringBuffer(out, lenNeeded), wchBuf, lenNeeded); } } -#if !wxUSE_WCHAR_T - free(wchBuf); -#endif // !wxUSE_WCHAR_T - return out; } @@ -959,8 +1036,9 @@ 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); @@ -995,10 +1073,10 @@ void wxTextCtrl::DoWriteText(const wxString& value, bool selectionOnly) if ( GetRichVersion() > 1 ) { wxFont font = m_defaultStyle.GetFont(); - if ( !font.Ok() ) + if ( !font.IsOk() ) font = GetFont(); - if ( font.Ok() ) + if ( font.IsOk() ) { wxFontEncoding encoding = font.GetEncoding(); if ( encoding != wxFONTENCODING_SYSTEM ) @@ -1024,13 +1102,16 @@ void wxTextCtrl::DoWriteText(const wxString& value, bool selectionOnly) // 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, // EM_REPLACESEL takes 1 to indicate the operation should be redoable - selectionOnly ? 1 : 0, (LPARAM)valueDos.c_str()); + selectionOnly ? 1 : 0, wxMSW_CONV_LPARAM(valueDos)); - if ( !ucf.GotUpdate() ) + if ( !ucf.GotUpdate() && (flags & SetValue_SendEvent) ) { SendUpdateEvent(); } @@ -1039,17 +1120,13 @@ void wxTextCtrl::DoWriteText(const wxString& value, bool selectionOnly) void wxTextCtrl::AppendText(const wxString& text) { - SetInsertionPointEnd(); - - WriteText(text); + wxTextEntry::AppendText(text); #if wxUSE_RICHEDIT // don't do this if we're frozen, saves some time if ( !IsFrozen() && 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()); + ::SendMessage(GetHwnd(), WM_VSCROLL, SB_BOTTOM, (LPARAM)NULL); } #endif // wxUSE_RICHEDIT } @@ -1058,18 +1135,12 @@ void wxTextCtrl::Clear() { ::SetWindowText(GetHwnd(), wxEmptyString); -#if wxUSE_RICHEDIT - if ( !IsRich() ) -#endif // wxUSE_RICHEDIT + if ( IsMultiLine() && !IsRich() ) { // 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(); + SendUpdateEvent(); } } @@ -1092,91 +1163,10 @@ bool wxTextCtrl::EmulateKeyPress(const wxKeyEvent& event) #endif // __WIN32__ -// ---------------------------------------------------------------------------- -// Clipboard operations -// ---------------------------------------------------------------------------- - -void wxTextCtrl::Copy() -{ - if (CanCopy()) - { - ::SendMessage(GetHwnd(), WM_COPY, 0, 0L); - } -} - -void wxTextCtrl::Cut() -{ - if (CanCut()) - { - ::SendMessage(GetHwnd(), WM_CUT, 0, 0L); - } -} - -void wxTextCtrl::Paste() -{ - if (CanPaste()) - { - ::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 - return HasSelection(); -} - -bool wxTextCtrl::CanCut() const -{ - return CanCopy() && IsEditable(); -} - -bool wxTextCtrl::CanPaste() const -{ - if ( !IsEditable() ) - return false; - -#if wxUSE_RICHEDIT - if ( IsRich() ) - { - UINT cf = 0; // 0 == any format - - return ::SendMessage(GetHwnd(), EM_CANPASTE, cf, 0) != 0; - } -#endif // wxUSE_RICHEDIT - - // Standard edit control: check for straight text on clipboard - if ( !::OpenClipboard(GetHwndOf(wxTheApp->GetTopWindow())) ) - return false; - - bool isTextAvailable = ::IsClipboardFormatAvailable(CF_TEXT) != 0; - ::CloseClipboard(); - - return isTextAvailable; -} - // ---------------------------------------------------------------------------- // Accessors // ---------------------------------------------------------------------------- -void wxTextCtrl::SetEditable(bool editable) -{ - HWND hWnd = GetHwnd(); - ::SendMessage(hWnd, EM_SETREADONLY, (WPARAM)!editable, (LPARAM)0L); -} - -void wxTextCtrl::SetInsertionPoint(long pos) -{ - DoSetSelection(pos, pos); -} - void wxTextCtrl::SetInsertionPointEnd() { // we must not do anything if the caret is already there because calling @@ -1184,26 +1174,13 @@ 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 ( GetInsertionPoint() == GetLastPosition() ) + const wxTextPos lastPosition = GetLastPosition(); + if ( GetInsertionPoint() == lastPosition ) { 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); + SetInsertionPoint(lastPosition); } long wxTextCtrl::GetInsertionPoint() const @@ -1219,23 +1196,27 @@ long wxTextCtrl::GetInsertionPoint() const } #endif // wxUSE_RICHEDIT - DWORD Pos = (DWORD)::SendMessage(GetHwnd(), EM_GETSEL, 0, 0L); - return Pos & 0xFFFF; + return wxTextEntry::GetInsertionPoint(); } wxTextPos wxTextCtrl::GetLastPosition() const { - int numLines = GetNumberOfLines(); - long posStartLastLine = XYToPosition(0, numLines - 1); + if ( IsMultiLine() ) + { + int numLines = GetNumberOfLines(); + long posStartLastLine = XYToPosition(0, numLines - 1); - long lenLastLine = GetLengthOfLineContainingPos(posStartLastLine); + long lenLastLine = GetLengthOfLineContainingPos(posStartLastLine); + + return posStartLastLine + lenLastLine; + } - return posStartLastLine + lenLastLine; + return wxTextEntry::GetLastPosition(); } // If the return values from and to are the same, there is no // selection. -void wxTextCtrl::GetSelection(long* from, long* to) const +void wxTextCtrl::GetSelection(long *from, long *to) const { #if wxUSE_RICHEDIT if ( IsRich() ) @@ -1249,63 +1230,40 @@ void wxTextCtrl::GetSelection(long* from, long* to) const else #endif // !wxUSE_RICHEDIT { - DWORD dwStart, dwEnd; - ::SendMessage(GetHwnd(), EM_GETSEL, (WPARAM)&dwStart, (LPARAM)&dwEnd); - - *from = dwStart; - *to = dwEnd; + wxTextEntry::GetSelection(from, to); } } -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; -} - // ---------------------------------------------------------------------------- // selection // ---------------------------------------------------------------------------- -void wxTextCtrl::SetSelection(long from, long to) -{ - // if from and to are both -1, it means (in wxWidgets) that all text should - // be selected - translate into Windows convention - if ( (from == -1) && (to == -1) ) - { - from = 0; - to = -1; - } - - DoSetSelection(from, to); -} - -void wxTextCtrl::DoSetSelection(long from, long to, bool scrollCaret) +void wxTextCtrl::DoSetSelection(long from, long to, int flags) { HWND hWnd = GetHwnd(); #if wxUSE_RICHEDIT if ( IsRich() ) { + // if from and to are both -1, it means (in wxWidgets) that all text + // should be selected, translate this into Windows convention + if ( (from == -1) && (to == -1) ) + { + from = 0; + } + CHARRANGE range; range.cpMin = from; range.cpMax = to; - ::SendMessage(hWnd, EM_EXSETSEL, 0, (LPARAM) &range); + ::SendMessage(hWnd, EM_EXSETSEL, 0, (LPARAM)&range); } else #endif // wxUSE_RICHEDIT { - ::SendMessage(hWnd, EM_SETSEL, (WPARAM)from, (LPARAM)to); + wxTextEntry::DoSetSelection(from, to, flags); } - if ( scrollCaret && !IsFrozen() ) + if ( (flags & SetSel_Scroll) && !IsFrozen() ) { #if wxUSE_RICHEDIT // richedit 3.0 (i.e. the version living in riched20.dll distributed @@ -1339,7 +1297,7 @@ void wxTextCtrl::DoSetSelection(long from, long to, bool scrollCaret) } #endif // wxUSE_RICHEDIT - ::SendMessage(hWnd, EM_SCROLLCARET, (WPARAM)0, (LPARAM)0); + ::SendMessage(hWnd, EM_SCROLLCARET, 0, (LPARAM)0); #if wxUSE_RICHEDIT // restore ECO_NOHIDESEL if we changed it @@ -1358,9 +1316,9 @@ 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(); @@ -1372,22 +1330,9 @@ bool wxTextCtrl::LoadFile(const wxString& file) } // ---------------------------------------------------------------------------- -// Editing +// dirty status // ---------------------------------------------------------------------------- -void wxTextCtrl::Replace(long from, long to, const wxString& value) -{ - // Set selection and remove it - DoSetSelection(from, to, false /* don't scroll caret into view */); - - DoWriteText(value, true /* selection only */); -} - -void wxTextCtrl::Remove(long from, long to) -{ - Replace(from, to, wxEmptyString); -} - bool wxTextCtrl::IsModified() const { return ::SendMessage(GetHwnd(), EM_GETMODIFY, 0, 0) != 0; @@ -1395,27 +1340,27 @@ bool wxTextCtrl::IsModified() const void wxTextCtrl::MarkDirty() { - ::SendMessage(GetHwnd(), EM_SETMODIFY, TRUE, 0L); + ::SendMessage(GetHwnd(), EM_SETMODIFY, TRUE, 0); } void wxTextCtrl::DiscardEdits() { - ::SendMessage(GetHwnd(), EM_SETMODIFY, FALSE, 0L); -} - -int wxTextCtrl::GetNumberOfLines() const -{ - return (int)::SendMessage(GetHwnd(), EM_GETLINECOUNT, (WPARAM)0, (LPARAM)0); + ::SendMessage(GetHwnd(), EM_SETMODIFY, FALSE, 0); } // ---------------------------------------------------------------------------- // Positions <-> coords // ---------------------------------------------------------------------------- +int wxTextCtrl::GetNumberOfLines() const +{ + return (int)::SendMessage(GetHwnd(), EM_GETLINECOUNT, 0, 0); +} + long wxTextCtrl::XYToPosition(long x, long y) const { // This gets the char index for the _beginning_ of this line - long charIndex = ::SendMessage(GetHwnd(), EM_LINEINDEX, (WPARAM)y, (LPARAM)0); + long charIndex = ::SendMessage(GetHwnd(), EM_LINEINDEX, y, 0); return charIndex + x; } @@ -1429,12 +1374,12 @@ bool wxTextCtrl::PositionToXY(long pos, long *x, long *y) const #if wxUSE_RICHEDIT if ( IsRich() ) { - lineNo = ::SendMessage(hWnd, EM_EXLINEFROMCHAR, 0, (LPARAM)pos); + lineNo = ::SendMessage(hWnd, EM_EXLINEFROMCHAR, 0, pos); } else #endif // wxUSE_RICHEDIT { - lineNo = ::SendMessage(hWnd, EM_LINEFROMCHAR, (WPARAM)pos, 0); + lineNo = ::SendMessage(hWnd, EM_LINEFROMCHAR, pos, 0); } if ( lineNo == -1 ) @@ -1444,7 +1389,7 @@ bool wxTextCtrl::PositionToXY(long pos, long *x, long *y) const } // This gets the char index for the _beginning_ of this line - long charIndex = ::SendMessage(hWnd, EM_LINEINDEX, (WPARAM)lineNo, (LPARAM)0); + long charIndex = ::SendMessage(hWnd, EM_LINEINDEX, lineNo, 0); if ( charIndex == -1 ) { return false; @@ -1545,6 +1490,93 @@ wxTextCtrl::HitTest(const wxPoint& pt, long *posOut) const return rc; } +wxPoint wxTextCtrl::DoPositionToCoords(long pos) const +{ + // FIXME: This code is broken for rich edit version 2.0 as it uses the same + // API as plain edit i.e. the coordinates are returned directly instead of + // filling the POINT passed as WPARAM with them but we can't distinguish + // between 2.0 and 3.0 unfortunately (see also the use of EM_POSFROMCHAR + // above). +#if wxUSE_RICHEDIT + if ( IsRich() ) + { + POINT pt; + LRESULT rc = ::SendMessage(GetHwnd(), EM_POSFROMCHAR, (WPARAM)&pt, pos); + if ( rc != -1 ) + return wxPoint(pt.x, pt.y); + } + else +#endif // wxUSE_RICHEDIT + { + LRESULT rc = ::SendMessage(GetHwnd(), EM_POSFROMCHAR, pos, 0); + if ( rc == -1 ) + { + // Finding coordinates for the last position of the control fails + // in plain EDIT control, try to compensate for it by finding it + // ourselves from the position of the previous character. + if ( pos < GetLastPosition() ) + { + // It's not the expected correctable failure case so just fail. + return wxDefaultPosition; + } + + if ( pos == 0 ) + { + // We're being asked the coordinates of the first (and last and + // only) position in an empty control. There is no way to get + // it directly with EM_POSFROMCHAR but EM_GETMARGINS returns + // the correct value for at least the horizontal offset. + rc = ::SendMessage(GetHwnd(), EM_GETMARGINS, 0, 0); + + // Text control seems to effectively add 1 to margin. + return wxPoint(LOWORD(rc) + 1, 1); + } + + // We do have a previous character, try to get its coordinates. + rc = ::SendMessage(GetHwnd(), EM_POSFROMCHAR, pos - 1, 0); + if ( rc == -1 ) + { + // If getting coordinates of the previous character failed as + // well, just give up. + return wxDefaultPosition; + } + + wxString prevChar = GetRange(pos - 1, pos); + wxSize prevCharSize = GetTextExtent(prevChar); + + if ( prevChar == wxT("\n" )) + { + // 'pos' is at the beginning of a new line so its X coordinate + // should be the same as X coordinate of the first character of + // any other line while its Y coordinate will be approximately + // (but we can't compute it exactly...) one character height + // more than that of the previous character. + LRESULT coords0 = ::SendMessage(GetHwnd(), EM_POSFROMCHAR, 0, 0); + if ( coords0 == -1 ) + return wxDefaultPosition; + + rc = MAKELPARAM(LOWORD(coords0), HIWORD(rc) + prevCharSize.y); + } + else + { + // Simple case: previous character is in the same line so this + // one is just after it. + rc += MAKELPARAM(prevCharSize.x, 0); + } + } + + // Notice that {LO,HI}WORD macros return WORDs, i.e. unsigned shorts, + // while we want to have signed values here (the y coordinate of any + // position above the first currently visible line is negative, for + // example), hence the need for casts. + return wxPoint(static_cast(LOWORD(rc)), + static_cast(HIWORD(rc))); + } + + return wxDefaultPosition; +} + + // ---------------------------------------------------------------------------- // // ---------------------------------------------------------------------------- @@ -1562,21 +1594,21 @@ void wxTextCtrl::ShowPosition(long pos) // Is this where scrolling is relative to - the line containing the caret? // Or is the first visible line??? Try first visible line. -// int currentLineLineNo1 = (int)::SendMessage(hWnd, EM_LINEFROMCHAR, (WPARAM)-1, (LPARAM)0L); +// int currentLineLineNo1 = (int)::SendMessage(hWnd, EM_LINEFROMCHAR, -1, 0L); - int currentLineLineNo = (int)::SendMessage(hWnd, EM_GETFIRSTVISIBLELINE, (WPARAM)0, (LPARAM)0L); + int currentLineLineNo = (int)::SendMessage(hWnd, EM_GETFIRSTVISIBLELINE, 0, 0); - int specifiedLineLineNo = (int)::SendMessage(hWnd, EM_LINEFROMCHAR, (WPARAM)pos, (LPARAM)0L); + int specifiedLineLineNo = (int)::SendMessage(hWnd, EM_LINEFROMCHAR, pos, 0); int linesToScroll = specifiedLineLineNo - currentLineLineNo; if (linesToScroll != 0) - (void)::SendMessage(hWnd, EM_LINESCROLL, (WPARAM)0, (LPARAM)linesToScroll); + ::SendMessage(hWnd, EM_LINESCROLL, 0, linesToScroll); } long wxTextCtrl::GetLengthOfLineContainingPos(long pos) const { - return ::SendMessage(GetHwnd(), EM_LINELENGTH, (WPARAM)pos, 0); + return ::SendMessage(GetHwnd(), EM_LINELENGTH, pos, 0); } int wxTextCtrl::GetLineLength(long lineNo) const @@ -1607,17 +1639,24 @@ wxString wxTextCtrl::GetLineText(long lineNo) const { // 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') ) + if ( buf[len - 2] == wxT('\r') && buf[len - 1] == wxT('\n') ) { - buf[len - 2] = _T('\n'); + // richedit 1.0 uses "\r\n" as line terminator, so remove "\r" + // here and "\n" below + buf[len - 2] = wxT('\n'); len--; } + else if ( buf[len - 1] == wxT('\r') ) + { + // richedit 2.0+ uses only "\r", replace it with "\n" + buf[len - 1] = wxT('\n'); + } } #endif // wxUSE_RICHEDIT // remove the '\n' at the end, if any (this is how this function is // supposed to work according to the docs) - if ( buf[len - 1] == _T('\n') ) + if ( buf[len - 1] == wxT('\n') ) { len--; } @@ -1639,14 +1678,7 @@ void wxTextCtrl::SetMaxLength(unsigned long len) else #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); + wxTextEntry::SetMaxLength(len); } } @@ -1654,41 +1686,27 @@ void wxTextCtrl::SetMaxLength(unsigned long len) // Undo/redo // ---------------------------------------------------------------------------- -void wxTextCtrl::Undo() -{ - if (CanUndo()) - { - ::SendMessage(GetHwnd(), EM_UNDO, 0, 0); - } -} - void wxTextCtrl::Redo() { - if (CanRedo()) - { #if wxUSE_RICHEDIT - if (GetRichVersion() > 1) - ::SendMessage(GetHwnd(), EM_REDO, 0, 0); - else -#endif - // Same as Undo, since Undo undoes the undo, i.e. a redo. - ::SendMessage(GetHwnd(), EM_UNDO, 0, 0); + if ( GetRichVersion() > 1 ) + { + ::SendMessage(GetHwnd(), EM_REDO, 0, 0); + return; } -} +#endif // wxUSE_RICHEDIT -bool wxTextCtrl::CanUndo() const -{ - return ::SendMessage(GetHwnd(), EM_CANUNDO, 0, 0) != 0; + wxTextEntry::Redo(); } bool wxTextCtrl::CanRedo() const { #if wxUSE_RICHEDIT - if (GetRichVersion() > 1) + if ( GetRichVersion() > 1 ) return ::SendMessage(GetHwnd(), EM_CANREDO, 0, 0) != 0; - else -#endif - return ::SendMessage(GetHwnd(), EM_CANUNDO, 0, 0) != 0; +#endif // wxUSE_RICHEDIT + + return wxTextEntry::CanRedo(); } // ---------------------------------------------------------------------------- @@ -1702,7 +1720,7 @@ bool wxTextCtrl::ShowNativeCaret(bool show) 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) + // yet (i.e. it had been hidden/shown 2 times before) return false; } @@ -1713,7 +1731,7 @@ bool wxTextCtrl::ShowNativeCaret(bool show) } // ---------------------------------------------------------------------------- -// implemenation details +// implementation details // ---------------------------------------------------------------------------- void wxTextCtrl::Command(wxCommandEvent & event) @@ -1735,18 +1753,17 @@ 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; } @@ -1760,10 +1777,24 @@ bool wxTextCtrl::MSWShouldPreProcessMessage(WXMSG* pMsg) switch ( ctrl + shift ) { default: - wxFAIL_MSG( _T("how many modifiers have we got?") ); + wxFAIL_MSG( wxT("how many modifiers have we got?") ); // fall through case 0: + switch ( vkey ) + { + case VK_RETURN: + // This one is only special for multi line controls. + if ( !IsMultiLine() ) + break; + // fall through + + case VK_DELETE: + case VK_HOME: + case VK_END: + return false; + } + // fall through case 2: break; @@ -1792,7 +1823,7 @@ bool wxTextCtrl::MSWShouldPreProcessMessage(WXMSG* pMsg) } } - return wxControl::MSWShouldPreProcessMessage(pMsg); + return wxControl::MSWShouldPreProcessMessage(msg); } void wxTextCtrl::OnChar(wxKeyEvent& event) @@ -1804,7 +1835,7 @@ void wxTextCtrl::OnChar(wxKeyEvent& event) wxCommandEvent event(wxEVT_COMMAND_TEXT_ENTER, m_windowId); InitCommandEvent(event); event.SetString(GetValue()); - if ( GetEventHandler()->ProcessEvent(event) ) + if ( HandleWindowEvent(event) ) if ( !HasFlag(wxTE_MULTILINE) ) return; //else: multiline controls need Enter for themselves @@ -1853,45 +1884,105 @@ void wxTextCtrl::OnChar(wxKeyEvent& event) event.Skip(); } +void wxTextCtrl::OnKeyDown(wxKeyEvent& event) +{ + // richedit control doesn't send WM_PASTE, WM_CUT and WM_COPY messages + // when Ctrl-V, X or C is pressed and this prevents wxClipboardTextEvent + // from working. So we work around it by intercepting these shortcuts + // ourselves and emitting clipboard events (which richedit will handle, + // so everything works as before, including pasting of rich text): + if ( event.GetModifiers() == wxMOD_CONTROL && IsRich() ) + { + switch ( event.GetKeyCode() ) + { + case 'C': + Copy(); + return; + case 'X': + Cut(); + return; + case 'V': + Paste(); + return; + default: + break; + } + } + + // Default window procedure of multiline edit controls posts WM_CLOSE to + // the parent window when it gets Escape key press for some reason, prevent + // it from doing this as this resulted in dialog boxes being closed on + // Escape even when they shouldn't be (we do handle Escape ourselves + // correctly in the situations when it should close them). + if ( event.GetKeyCode() == WXK_ESCAPE && IsMultiLine() ) + return; + + // no, we didn't process it + event.Skip(); +} + WXLRESULT wxTextCtrl::MSWWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lParam) { 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 in the disabled 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 (IsMultiLine()) + // Clear the DLGC_HASSETSEL bit from the return value + lRc &= ~DLGC_HASSETSEL; + } + break; + +#if wxUSE_MENUS + case WM_SETCURSOR: + // rich text controls seem to have a bug and don't change the + // cursor to the standard arrow one from the I-beam cursor usually + // used by them even when a popup menu is shown (this works fine + // for plain EDIT controls though), so explicitly work around this + if ( IsRich() ) + { + extern wxMenu *wxCurrentPopupMenu; + if ( wxCurrentPopupMenu && + wxCurrentPopupMenu->GetInvokingWindow() == this ) + ::SetCursor(GetHcursorOf(*wxSTANDARD_CURSOR)); + } +#endif // wxUSE_MENUS } return lRc; @@ -1915,36 +2006,27 @@ bool wxTextCtrl::SendUpdateEvent() return false; default: - wxFAIL_MSG( _T("unexpected wxTextCtrl::m_updatesCount value") ); + wxFAIL_MSG( wxT("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; - } - wxCommandEvent event(wxEVT_COMMAND_TEXT_UPDATED, GetId()); - InitCommandEvent(event); + case -2: + // the control was updated programmatically and we do NOT want to + // send events + return false; + } - return ProcessCommand(event); + return SendTextUpdatedEvent(); } bool wxTextCtrl::MSWCommand(WXUINT param, WXWORD WXUNUSED(id)) { switch ( param ) { - case EN_SETFOCUS: - case EN_KILLFOCUS: - { - wxFocusEvent event(param == EN_KILLFOCUS ? wxEVT_KILL_FOCUS - : wxEVT_SET_FOCUS, - m_windowId); - event.SetEventObject(this); - GetEventHandler()->ProcessEvent(event); - } - break; - case EN_CHANGE: SendUpdateEvent(); break; @@ -1960,7 +2042,9 @@ bool wxTextCtrl::MSWCommand(WXUINT param, WXWORD WXUNUSED(id)) } break; - // the other edit notification messages are not processed + // the other edit notification messages are not processed (or, in + // the case of EN_{SET/KILL}FOCUS were already handled at WM_SET/ + // KILLFOCUS level) default: return false; } @@ -1971,7 +2055,7 @@ bool wxTextCtrl::MSWCommand(WXUINT param, WXWORD WXUNUSED(id)) WXHBRUSH wxTextCtrl::MSWControlColor(WXHDC hDC, WXHWND hWnd) { - if ( !IsEnabled() && !HasFlag(wxTE_MULTILINE) ) + if ( !IsThisEnabled() && !HasFlag(wxTE_MULTILINE) ) return MSWControlColorDisabled(hDC); return wxTextCtrlBase::MSWControlColor(hDC, hWnd); @@ -2013,7 +2097,7 @@ bool wxTextCtrl::AdjustSpaceLimit() return true; } -bool wxTextCtrl::AcceptsFocus() const +bool wxTextCtrl::AcceptsFocusFromKeyboard() const { // 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 @@ -2035,9 +2119,17 @@ wxSize wxTextCtrl::DoGetBestSize() const } //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; + // Text controls without border are special and have the same height as + // static labels (they also have the same appearance when they're disable + // and are often used as a sort of copyable to the clipboard label so it's + // important that they have the same height as the normal labels to not + // stand out). + if ( !HasFlag(wxBORDER_NONE) ) + { + // 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); } @@ -2073,15 +2165,12 @@ void wxTextCtrl::OnRedo(wxCommandEvent& WXUNUSED(event)) void wxTextCtrl::OnDelete(wxCommandEvent& WXUNUSED(event)) { - long from, to; - GetSelection(& from, & to); - if (from != -1 && to != -1) - Remove(from, to); + RemoveSelection(); } void wxTextCtrl::OnSelectAll(wxCommandEvent& WXUNUSED(event)) { - SetSelection(-1, -1); + SelectAll(); } void wxTextCtrl::OnUpdateCut(wxUpdateUIEvent& event) @@ -2111,14 +2200,12 @@ void wxTextCtrl::OnUpdateRedo(wxUpdateUIEvent& event) void wxTextCtrl::OnUpdateDelete(wxUpdateUIEvent& event) { - long from, to; - GetSelection(& from, & to); - event.Enable(from != -1 && to != -1 && from != to && IsEditable()) ; + event.Enable( HasSelection() && IsEditable() ); } void wxTextCtrl::OnUpdateSelectAll(wxUpdateUIEvent& event) { - event.Enable(GetLastPosition() > 0); + event.Enable( !IsEmpty() ); } void wxTextCtrl::OnContextMenu(wxContextMenuEvent& event) @@ -2147,30 +2234,15 @@ void wxTextCtrl::OnContextMenu(wxContextMenuEvent& event) event.Skip(); } -void wxTextCtrl::OnSetFocus(wxFocusEvent& WXUNUSED(event)) +void wxTextCtrl::OnSetFocus(wxFocusEvent& event) { // be sure the caret remains invisible if the user had hidden it if ( !m_isNativeCaretShown ) { ::HideCaret(GetHwnd()); } -} -// ---------------------------------------------------------------------------- -// 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; + event.Skip(); } // the rest of the file only deals with the rich edit controls @@ -2276,6 +2348,22 @@ bool wxTextCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result) return wxTextCtrlBase::MSWOnNotify(idCtrl, lParam, result); } +#if wxUSE_DRAG_AND_DROP + +void wxTextCtrl::SetDropTarget(wxDropTarget *dropTarget) +{ + if ( m_dropTarget == wxRICHTEXT_DEFAULT_DROPTARGET ) + { + // get rid of the built-in drop target + ::RevokeDragDrop(GetHwnd()); + m_dropTarget = NULL; + } + + wxTextCtrlBase::SetDropTarget(dropTarget); +} + +#endif // wxUSE_DRAG_AND_DROP + // ---------------------------------------------------------------------------- // colour setting for the rich edit controls // ---------------------------------------------------------------------------- @@ -2309,9 +2397,7 @@ bool wxTextCtrl::SetForegroundColour(const wxColour& colour) if ( IsRich() ) { // change the colour of everything - CHARFORMAT cf; - wxZeroMemory(cf); - cf.cbSize = sizeof(cf); + WinStruct cf; cf.dwMask = CFM_COLOR; cf.crTextColor = wxColourToRGB(colour); ::SendMessage(GetHwnd(), EM_SETCHARFORMAT, SCF_ALL, (LPARAM)&cf); @@ -2320,52 +2406,31 @@ bool wxTextCtrl::SetForegroundColour(const wxColour& colour) return true; } -// ---------------------------------------------------------------------------- -// styling support for rich edit controls -// ---------------------------------------------------------------------------- - -#if wxUSE_RICHEDIT - -bool wxTextCtrl::SetStyle(long start, long end, const wxTextAttr& style) +bool wxTextCtrl::SetFont(const wxFont& font) { - if ( !IsRich() ) - { - // can't do it with normal text control + if ( !wxTextCtrlBase::SetFont(font) ) return false; - } - - // 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 - return !style.HasBackgroundColour(); - } - // order the range if needed - if ( start > end ) + if ( GetRichVersion() >= 4 ) { - long tmp = start; - start = end; - end = tmp; + // Using WM_SETFONT is not enough with RichEdit 4.1: it does work but + // for ASCII characters only and inserting a non-ASCII one into it + // later reverts to the default font so use EM_SETCHARFORMAT to change + // the default font for it. + wxTextAttr attr; + attr.SetFont(font); + SetStyle(-1, -1, attr); } - // 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 = start != startOld || end != endOld; + return true; +} - if ( changeSel ) - { - DoSetSelection(start, end, false /* don't scroll caret into view */); - } +// ---------------------------------------------------------------------------- +// styling support for rich edit controls +// ---------------------------------------------------------------------------- +bool wxTextCtrl::MSWSetCharFormat(const wxTextAttr& style, long start, long end) +{ // initialize CHARFORMAT struct #if wxUSE_RICHEDIT2 CHARFORMAT2 cf; @@ -2402,12 +2467,15 @@ bool wxTextCtrl::SetStyle(long start, long end, const wxTextAttr& style) // the real height in twips and not the negative number which // wxFillLogFont() returns (this is correct in general and works with // the Windows font mapper, but not here) + + wxFont font(style.GetFont()); + LOGFONT lf; - wxFillLogFont(&lf, &style.GetFont()); - cf.yHeight = 20*style.GetFont().GetPointSize(); // 1 pt = 20 twips + wxFillLogFont(&lf, &font); + cf.yHeight = 20*font.GetPointSize(); // 1 pt = 20 twips cf.bCharSet = lf.lfCharSet; cf.bPitchAndFamily = lf.lfPitchAndFamily; - wxStrncpy( cf.szFaceName, lf.lfFaceName, WXSIZEOF(cf.szFaceName) ); + wxStrlcpy(cf.szFaceName, lf.lfFaceName, WXSIZEOF(cf.szFaceName)); // also deal with underline/italic/bold attributes: note that we must // always set CFM_ITALIC &c bits in dwMask, even if we don't set the @@ -2444,17 +2512,37 @@ bool wxTextCtrl::SetStyle(long start, long end, const wxTextAttr& style) } #endif // wxUSE_RICHEDIT2 - // do format the selection - bool ok = ::SendMessage(GetHwnd(), EM_SETCHARFORMAT, - SCF_SELECTION, (LPARAM)&cf) != 0; - if ( !ok ) + // Apply the style either to the selection or to the entire control. + WPARAM selMode; + if ( start != -1 || end != -1 ) { - wxLogDebug(_T("SendMessage(EM_SETCHARFORMAT, SCF_SELECTION) failed")); + DoSetSelection(start, end, SetSel_NoScroll); + selMode = SCF_SELECTION; } + else + { + selMode = SCF_ALL; + } + + if ( !::SendMessage(GetHwnd(), EM_SETCHARFORMAT, selMode, (LPARAM)&cf) ) + { + wxLogLastError(wxT("SendMessage(EM_SETCHARFORMAT)")); + return false; + } + + return true; +} - // now do the paragraph formatting +bool wxTextCtrl::MSWSetParaFormat(const wxTextAttr& style, long start, long end) +{ +#if wxUSE_RICHEDIT2 PARAFORMAT2 pf; +#else + PARAFORMAT pf; +#endif + wxZeroMemory(pf); + // we can't use PARAFORMAT2 with RichEdit 1.0, so pretend it is a simple // PARAFORMAT in that case #if wxUSE_RICHEDIT2 @@ -2515,21 +2603,71 @@ bool wxTextCtrl::SetStyle(long start, long end, const wxTextAttr& style) } } - if (pf.dwMask != 0) +#if wxUSE_RICHEDIT2 + if ( m_verRichEdit > 1 ) { - // do format the selection - bool ok = ::SendMessage(GetHwnd(), EM_SETPARAFORMAT, - 0, (LPARAM) &pf) != 0; - if ( !ok ) + if ( wxTheApp->GetLayoutDirection() == wxLayout_RightToLeft ) { - wxLogDebug(_T("SendMessage(EM_SETPARAFORMAT, 0) failed")); + // Use RTL paragraphs in RTL mode to get proper layout + pf.dwMask |= PFM_RTLPARA; + pf.wEffects |= PFE_RTLPARA; } } +#endif // wxUSE_RICHEDIT2 - if ( changeSel ) + if ( pf.dwMask ) + { + // Do format the selection. + DoSetSelection(start, end, SetSel_NoScroll); + + if ( !::SendMessage(GetHwnd(), EM_SETPARAFORMAT, 0, (LPARAM) &pf) ) + { + wxLogLastError(wxT("SendMessage(EM_SETPARAFORMAT)")); + + return false; + } + } + + return true; +} + +bool wxTextCtrl::SetStyle(long start, long end, const wxTextAttr& style) +{ + if ( !IsRich() ) + { + // can't do it with normal text control + return false; + } + + // 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 + return !style.HasBackgroundColour(); + } + + // order the range if needed + if ( start > end ) + wxSwap(start, end); + + // we can only change the format of the selection, so select the range we + // want and restore the old selection later, after MSWSetXXXFormat() + // functions (possibly) change it. + long startOld, endOld; + GetSelection(&startOld, &endOld); + + bool ok = MSWSetCharFormat(style, start, end); + if ( !MSWSetParaFormat(style, start, end) ) + ok = false; + + if ( start != startOld || end != endOld ) { // restore the original selection - DoSetSelection(startOld, endOld, false); + DoSetSelection(startOld, endOld, SetSel_NoScroll); } return ok; @@ -2592,7 +2730,7 @@ bool wxTextCtrl::GetStyle(long position, wxTextAttr& style) if ( changeSel ) { - DoSetSelection(position, position+1, false /* don't scroll caret into view */); + DoSetSelection(position, position + 1, SetSel_NoScroll); } // get the selection formatting @@ -2601,7 +2739,10 @@ bool wxTextCtrl::GetStyle(long position, wxTextAttr& style) LOGFONT lf; - lf.lfHeight = cf.yHeight; + // Convert the height from the units of 1/20th of the point in which + // CHARFORMAT stores it to pixel-based units used by LOGFONT. + const wxCoord ppi = wxClientDC(this).GetPPI().y; + lf.lfHeight = -MulDiv(cf.yHeight/20, ppi, 72); lf.lfWidth = 0; lf.lfCharSet = ANSI_CHARSET; // FIXME: how to get correct charset? lf.lfClipPrecision = 0; @@ -2635,7 +2776,7 @@ bool wxTextCtrl::GetStyle(long position, wxTextAttr& style) lf.lfWeight = FW_NORMAL; wxFont font = wxCreateFontFromLogFont(& lf); - if (font.Ok()) + if (font.IsOk()) { style.SetFont(font); } @@ -2692,14 +2833,12 @@ bool wxTextCtrl::GetStyle(long position, wxTextAttr& style) if ( changeSel ) { // restore the original selection - DoSetSelection(startOld, endOld, false); + DoSetSelection(startOld, endOld, SetSel_NoScroll); } return true; } -#endif - // ---------------------------------------------------------------------------- // wxRichEditModule // ---------------------------------------------------------------------------- @@ -2743,11 +2882,11 @@ bool wxRichEditModule::Load(Version version) return true; } - static const wxChar *dllnames[] = + static const wxChar *const dllnames[] = { - _T("riched32"), - _T("riched20"), - _T("msftedit"), + wxT("riched32"), + wxT("riched20"), + wxT("msftedit"), }; wxCOMPILE_TIME_ASSERT( WXSIZEOF(dllnames) == Version_Max, @@ -2769,17 +2908,15 @@ bool wxRichEditModule::Load(Version version) // load the InkEdit library bool wxRichEditModule::LoadInkEdit() { - static wxDynamicLibrary ms_inkEditLib; - static bool ms_inkEditLibLoadAttemped; if (ms_inkEditLibLoadAttemped) - ms_inkEditLib.IsLoaded(); - + return ms_inkEditLib.IsLoaded(); + ms_inkEditLibLoadAttemped = true; - + wxLogNull logNull; return ms_inkEditLib.Load(wxT("inked")); } -#endif +#endif // wxUSE_INKEDIT #endif // wxUSE_RICHEDIT