X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/78c91815008ef5888231c6c7f3678872e9e35ff6..3d45718de50d193798dee93ce2fe8758f0f0acd6:/src/msw/textctrl.cpp diff --git a/src/msw/textctrl.cpp b/src/msw/textctrl.cpp index 4230d68033..6a4c1baffe 100644 --- a/src/msw/textctrl.cpp +++ b/src/msw/textctrl.cpp @@ -36,9 +36,10 @@ #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 +52,7 @@ #include "wx/msw/private.h" #include "wx/msw/winundef.h" +#include "wx/msw/mslu.h" #include #include @@ -71,9 +73,18 @@ #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 +146,13 @@ 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, + _T("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() @@ -227,12 +242,13 @@ 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_KEY_DOWN(wxTextCtrl::OnKeyDown) EVT_DROP_FILES(wxTextCtrl::OnDropFiles) #if wxUSE_RICHEDIT @@ -258,49 +274,10 @@ BEGIN_EVENT_TABLE(wxTextCtrl, wxControl) EVT_SET_FOCUS(wxTextCtrl::OnSetFocus) END_EVENT_TABLE() -// ---------------------------------------------------------------------------- -// function prototypes -// ---------------------------------------------------------------------------- - -LRESULT APIENTRY _EXPORT wxTextCtrlWndProc(HWND hWnd, - UINT message, - WPARAM wParam, - LPARAM lParam); - -// --------------------------------------------------------------------------- -// global vars -// --------------------------------------------------------------------------- - -// the pointer to standard text control wnd proc -static WNDPROC gs_wndprocEdit = (WNDPROC)NULL; - // ============================================================================ // implementation // ============================================================================ -// ---------------------------------------------------------------------------- -// wnd proc for subclassed edit control -// ---------------------------------------------------------------------------- - -LRESULT APIENTRY _EXPORT wxTextCtrlWndProc(HWND hWnd, - UINT message, - WPARAM wParam, - LPARAM lParam) -{ - wxWindow *win = wxFindWinFromHandle((WXHWND)hWnd); - - switch ( message ) - { - case WM_CUT: - case WM_COPY: - case WM_PASTE: - if( win->HandleClipboardEvent( message ) ) - return 0; - break; - } - return ::CallWindowProc(CASTWNDPROC gs_wndprocEdit, hWnd, message, wParam, lParam); -} - // ---------------------------------------------------------------------------- // creation // ---------------------------------------------------------------------------- @@ -322,10 +299,19 @@ 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, @@ -333,15 +319,45 @@ 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(); @@ -350,7 +366,7 @@ 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 @@ -468,9 +484,19 @@ 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.wx_str(), msStyle, pos, size, valueWin) ) return false; + m_updatesCount = -1; + #if wxUSE_RICHEDIT if (IsRich()) { @@ -505,7 +531,7 @@ 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 ) { @@ -518,8 +544,13 @@ bool wxTextCtrl::Create(wxWindow *parent, wxWindowID id, } #endif // wxUSE_RICHEDIT - gs_wndprocEdit = wxSetWindowProc((HWND)GetHwnd(), - wxTextCtrlWndProc); +#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; } @@ -570,12 +601,9 @@ 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) ) { @@ -637,6 +665,62 @@ 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 @@ -658,6 +742,15 @@ 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 @@ -702,10 +795,12 @@ wxString wxTextCtrl::GetRange(long from, long to) const encoding = font.GetEncoding(); } +#if wxUSE_INTL if ( encoding == wxFONTENCODING_SYSTEM ) { encoding = wxLocale::GetSystemEncoding(); } +#endif // wxUSE_INTL if ( encoding == wxFONTENCODING_SYSTEM ) { @@ -781,7 +876,7 @@ 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 @@ -789,22 +884,27 @@ 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) @@ -885,17 +985,15 @@ 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 @@ -979,7 +1077,8 @@ 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); } @@ -1001,8 +1100,9 @@ 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); @@ -1066,13 +1166,16 @@ 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, (LPARAM)valueDos.wx_str()); - if ( !ucf.GotUpdate() ) + if ( !ucf.GotUpdate() && (flags & SetValue_SendEvent) ) { SendUpdateEvent(); } @@ -1081,9 +1184,7 @@ 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 @@ -1100,18 +1201,12 @@ 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(); } } @@ -1134,91 +1229,10 @@ 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 @@ -1226,26 +1240,13 @@ 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 @@ -1261,23 +1262,27 @@ 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() ) @@ -1291,63 +1296,40 @@ 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 @@ -1381,7 +1363,7 @@ 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 @@ -1400,9 +1382,9 @@ 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(); @@ -1414,22 +1396,9 @@ 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; @@ -1437,27 +1406,27 @@ 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; } @@ -1471,12 +1440,12 @@ 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 ) @@ -1486,7 +1455,7 @@ 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; @@ -1604,21 +1573,21 @@ 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 @@ -1651,9 +1620,16 @@ wxString wxTextCtrl::GetLineText(long lineNo) const // should never see it if ( buf[len - 2] == _T('\r') && buf[len - 1] == _T('\n') ) { + // richedit 1.0 uses "\r\n" as line terminator, so remove "\r" + // here and "\n" below buf[len - 2] = _T('\n'); len--; } + else if ( buf[len - 1] == _T('\r') ) + { + // richedit 2.0+ uses only "\r", replace it with "\n" + buf[len - 1] = _T('\n'); + } } #endif // wxUSE_RICHEDIT @@ -1681,14 +1657,7 @@ 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); } } @@ -1696,41 +1665,27 @@ 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(); } // ---------------------------------------------------------------------------- @@ -1744,7 +1699,7 @@ 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; } @@ -1755,7 +1710,7 @@ bool wxTextCtrl::ShowNativeCaret(bool show) } // ---------------------------------------------------------------------------- -// implemenation details +// implementation details // ---------------------------------------------------------------------------- void wxTextCtrl::Command(wxCommandEvent & event) @@ -1777,18 +1732,17 @@ 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; } @@ -1806,6 +1760,9 @@ bool wxTextCtrl::MSWShouldPreProcessMessage(WXMSG* pMsg) // fall through case 0: + if ( IsMultiLine() && vkey == VK_RETURN ) + return false; + // fall through case 2: break; @@ -1834,7 +1791,7 @@ bool wxTextCtrl::MSWShouldPreProcessMessage(WXMSG* pMsg) } } - return wxControl::MSWShouldPreProcessMessage(pMsg); + return wxControl::MSWShouldPreProcessMessage(msg); } void wxTextCtrl::OnChar(wxKeyEvent& event) @@ -1846,7 +1803,7 @@ 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 @@ -1895,45 +1852,79 @@ 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; + } + } + + // 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; + } + } + break; } return lRc; @@ -1964,29 +1955,20 @@ bool wxTextCtrl::SendUpdateEvent() // 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; @@ -2002,7 +1984,9 @@ 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; } @@ -2055,7 +2039,7 @@ 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 @@ -2115,15 +2099,12 @@ 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) @@ -2153,14 +2134,12 @@ 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) @@ -2189,13 +2168,15 @@ 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()); } + + event.Skip(); } // ---------------------------------------------------------------------------- @@ -2318,6 +2299,22 @@ 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 // ---------------------------------------------------------------------------- @@ -2366,8 +2363,6 @@ bool wxTextCtrl::SetForegroundColour(const wxColour& colour) // styling support for rich edit controls // ---------------------------------------------------------------------------- -#if wxUSE_RICHEDIT - bool wxTextCtrl::SetStyle(long start, long end, const wxTextAttr& style) { if ( !IsRich() ) @@ -2405,7 +2400,7 @@ bool wxTextCtrl::SetStyle(long start, long end, const wxTextAttr& style) if ( changeSel ) { - DoSetSelection(start, end, false /* don't scroll caret into view */); + DoSetSelection(start, end, SetSel_NoScroll); } // initialize CHARFORMAT struct @@ -2444,12 +2439,15 @@ 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 @@ -2557,11 +2555,23 @@ 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")); @@ -2571,7 +2581,7 @@ bool wxTextCtrl::SetStyle(long start, long end, const wxTextAttr& style) if ( changeSel ) { // restore the original selection - DoSetSelection(startOld, endOld, false); + DoSetSelection(startOld, endOld, SetSel_NoScroll); } return ok; @@ -2634,7 +2644,7 @@ 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 @@ -2734,14 +2744,12 @@ 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 // ---------------------------------------------------------------------------- @@ -2821,7 +2829,7 @@ bool wxRichEditModule::LoadInkEdit() wxLogNull logNull; return ms_inkEditLib.Load(wxT("inked")); } -#endif +#endif // wxUSE_INKEDIT #endif // wxUSE_RICHEDIT