X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/c4608a8af3735907d923c57311eae957a40ff0eb..66080691b195b1b338a21c8887323b2e073d6028:/src/msw/textctrl.cpp diff --git a/src/msw/textctrl.cpp b/src/msw/textctrl.cpp index e48ba50b35..ff6b6c1c97 100644 --- a/src/msw/textctrl.cpp +++ b/src/msw/textctrl.cpp @@ -38,6 +38,8 @@ #include "wx/app.h" #endif +#include "wx/module.h" + #if wxUSE_CLIPBOARD #include "wx/clipbrd.h" #endif @@ -119,9 +121,11 @@ BEGIN_EVENT_TABLE(wxTextCtrl, wxControl) EVT_UPDATE_UI(wxID_PASTE, wxTextCtrl::OnUpdatePaste) EVT_UPDATE_UI(wxID_UNDO, wxTextCtrl::OnUpdateUndo) EVT_UPDATE_UI(wxID_REDO, wxTextCtrl::OnUpdateRedo) +#ifdef __WIN16__ + EVT_ERASE_BACKGROUND(wxTextCtrl::OnEraseBackground) +#endif END_EVENT_TABLE() - // ============================================================================ // implementation // ============================================================================ @@ -155,11 +159,14 @@ bool wxTextCtrl::Create(wxWindow *parent, wxWindowID id, // translate wxWin style flags to MSW ones, checking for consistency while // doing it long msStyle = ES_LEFT | WS_VISIBLE | WS_CHILD | WS_TABSTOP; + + if ( m_windowStyle & wxCLIP_SIBLINGS ) + msStyle |= WS_CLIPSIBLINGS; + if ( m_windowStyle & wxTE_MULTILINE ) { wxASSERT_MSG( !(m_windowStyle & wxTE_PROCESS_ENTER), - wxT("wxTE_PROCESS_ENTER style is ignored for multiline " - "text controls (they always process it)") ); + wxT("wxTE_PROCESS_ENTER style is ignored for multiline text controls (they always process it)") ); msStyle |= ES_MULTILINE | ES_WANTRETURN; if ((m_windowStyle & wxTE_NO_VSCROLL) == 0) @@ -212,9 +219,7 @@ bool wxTextCtrl::Create(wxWindow *parent, wxWindowID id, // done) if ( !wxRichEditModule::Load() ) { - wxLogError(_("Impossible to create a rich edit control, " - "using simple text control instead. Please " - "reinstall riched32.dll")); + wxLogError(_("Impossible to create a rich edit control, using simple text control instead. Please reinstall riched32.dll")); s_errorGiven = TRUE; } @@ -356,10 +361,10 @@ void wxTextCtrl::AdoptAttributesFromHWND() void wxTextCtrl::SetupColours() { wxColour bkgndColour; - if (IsEditable() || (m_windowStyle & wxTE_MULTILINE)) +// if (IsEditable() || (m_windowStyle & wxTE_MULTILINE)) bkgndColour = wxSystemSettings::GetSystemColour(wxSYS_COLOUR_WINDOW); - else - bkgndColour = wxSystemSettings::GetSystemColour(wxSYS_COLOUR_3DFACE); +// else +// bkgndColour = wxSystemSettings::GetSystemColour(wxSYS_COLOUR_3DFACE); SetBackgroundColour(bkgndColour); SetForegroundColour(GetParent()->GetForegroundColour()); @@ -376,29 +381,34 @@ wxString wxTextCtrl::GetValue() const #if wxUSE_RICHEDIT if ( m_isRich ) { - int len = GetWindowTextLength(GetHwnd()) + 1; - wxString str; - wxChar *p = str.GetWriteBuf(len); - TEXTRANGE textRange; - textRange.chrg.cpMin = 0; - textRange.chrg.cpMax = -1; - textRange.lpstrText = p; + int len = GetWindowTextLength(GetHwnd()); + if ( len ) + { + // alloc one extra WORD as needed by the control + wxChar *p = str.GetWriteBuf(++len); - (void)SendMessage(GetHwnd(), EM_GETTEXTRANGE, 0, (LPARAM)&textRange); + TEXTRANGE textRange; + textRange.chrg.cpMin = 0; + textRange.chrg.cpMax = -1; + textRange.lpstrText = p; - // believe it or not, but EM_GETTEXTRANGE uses just CR ('\r') for the - // newlines which is neither Unix nor Windows style (Win95 with - // riched20.dll shows this behaviour) - convert it to something - // reasonable - for ( ; *p; p++ ) - { - if ( *p == _T('\r') ) - *p = _T('\n'); - } + (void)SendMessage(GetHwnd(), EM_GETTEXTRANGE, 0, (LPARAM)&textRange); - str.UngetWriteBuf(); + // believe it or not, but EM_GETTEXTRANGE uses just CR ('\r') for + // the newlines which is neither Unix nor Windows style (Win95 with + // riched20.dll shows this behaviour) - convert it to something + // reasonable + for ( ; *p; p++ ) + { + if ( *p == _T('\r') ) + *p = _T('\n'); + } + + str.UngetWriteBuf(); + } + //else: no text at all, leave the string empty return str; } @@ -423,6 +433,14 @@ void wxTextCtrl::SetValue(const wxString& value) SetWindowText(GetHwnd(), valueDos.c_str()); + // for compatibility with the GTK and because it is more logical, we + // move the cursor to the end of the text after SetValue() + + // GRG, Jun/2000: Changed this back after a lot of discussion + // in the lists. wxWindows 2.2 will have a set of flags to + // customize this behaviour. + //SetInsertionPointEnd(); + AdjustSpaceLimit(); } } @@ -431,6 +449,17 @@ void wxTextCtrl::WriteText(const wxString& value) { wxString valueDos = wxTextFile::Translate(value, wxTextFileType_Dos); +#if wxUSE_RICHEDIT + // ensure that the new text will be in the default style + if ( IsRich() && + (m_defaultStyle.HasFont() || m_defaultStyle.HasTextColour()) ) + { + long start, end; + GetSelection(&start, &end); + SetStyle(start, end, m_defaultStyle ); + } +#endif // wxUSE_RICHEDIT + SendMessage(GetHwnd(), EM_REPLACESEL, 0, (LPARAM)valueDos.c_str()); AdjustSpaceLimit(); @@ -483,7 +512,7 @@ bool wxTextCtrl::CanCopy() const // Can copy if there's a selection long from, to; GetSelection(& from, & to); - return (from != to); + return (from != to) ; } bool wxTextCtrl::CanCut() const @@ -491,7 +520,7 @@ bool wxTextCtrl::CanCut() const // Can cut if there's a selection long from, to; GetSelection(& from, & to); - return (from != to); + return (from != to) && (IsEditable()); } bool wxTextCtrl::CanPaste() const @@ -523,16 +552,8 @@ bool wxTextCtrl::CanPaste() const void wxTextCtrl::SetEditable(bool editable) { - bool isEditable = IsEditable(); - HWND hWnd = GetHwnd(); SendMessage(hWnd, EM_SETREADONLY, (WPARAM)!editable, (LPARAM)0L); - - if (editable != isEditable) - { - SetupColours(); - Refresh(); - } } void wxTextCtrl::SetInsertionPoint(long pos) @@ -614,18 +635,19 @@ void wxTextCtrl::GetSelection(long* from, long* to) const *from = charRange.cpMin; *to = charRange.cpMax; - - return; } -#endif - DWORD dwStart, dwEnd; - WPARAM wParam = (WPARAM) (DWORD*) & dwStart; // receives starting position - LPARAM lParam = (LPARAM) (DWORD*) & dwEnd; // receives ending position + else +#endif // rich/!rich + { + DWORD dwStart, dwEnd; + WPARAM wParam = (WPARAM) &dwStart; // receives starting position + LPARAM lParam = (LPARAM) &dwEnd; // receives ending position - ::SendMessage(GetHwnd(), EM_GETSEL, wParam, lParam); + ::SendMessage(GetHwnd(), EM_GETSEL, wParam, lParam); - *from = dwStart; - *to = dwEnd; + *from = dwStart; + *to = dwEnd; + } } bool wxTextCtrl::IsEditable() const @@ -811,24 +833,20 @@ int wxTextCtrl::GetLineLength(long lineNo) const wxString wxTextCtrl::GetLineText(long lineNo) const { - // TODO this should probably be optimized by using GetWriteBuf() - size_t len = (size_t)GetLineLength(lineNo) + 1; - if ( len < sizeof(WORD) ) - { - // there must be at least enough place for the length WORD in the - // buffer - len += sizeof(WORD); - } - char *buf = (char *)malloc(len); - *(WORD *)buf = len; - int noChars = (int)SendMessage(GetHwnd(), EM_GETLINE, lineNo, (LPARAM)buf); - buf[noChars] = 0; + // there must be at least enough place for the length WORD in the + // buffer + len += sizeof(WORD); - wxString str(buf); + wxString str; + wxChar *buf = str.GetWriteBuf(len); - free(buf); + *(WORD *)buf = (WORD)len; + len = (size_t)::SendMessage(GetHwnd(), EM_GETLINE, lineNo, (LPARAM)buf); + buf[len] = 0; + + str.UngetWriteBuf(len); return str; } @@ -892,6 +910,7 @@ void wxTextCtrl::OnChar(wxKeyEvent& event) { wxCommandEvent event(wxEVT_COMMAND_TEXT_ENTER, m_windowId); InitCommandEvent(event); + event.SetString(GetValue()); if ( GetEventHandler()->ProcessEvent(event) ) return; } @@ -954,6 +973,7 @@ bool wxTextCtrl::MSWCommand(WXUINT param, WXWORD WXUNUSED(id)) case EN_ERRSPACE: case EN_HSCROLL: case EN_VSCROLL: + return FALSE; default: return FALSE; } @@ -962,6 +982,78 @@ bool wxTextCtrl::MSWCommand(WXUINT param, WXWORD WXUNUSED(id)) return TRUE; } +WXHBRUSH wxTextCtrl::OnCtlColor(WXHDC pDC, WXHWND WXUNUSED(pWnd), WXUINT WXUNUSED(nCtlColor), +#if wxUSE_CTL3D + WXUINT message, + WXWPARAM wParam, + WXLPARAM lParam +#else + WXUINT WXUNUSED(message), + WXWPARAM WXUNUSED(wParam), + WXLPARAM WXUNUSED(lParam) +#endif + ) +{ +#if wxUSE_CTL3D + if ( m_useCtl3D ) + { + HBRUSH hbrush = Ctl3dCtlColorEx(message, wParam, lParam); + return (WXHBRUSH) hbrush; + } +#endif // wxUSE_CTL3D + + HDC hdc = (HDC)pDC; + if (GetParent()->GetTransparentBackground()) + SetBkMode(hdc, TRANSPARENT); + else + SetBkMode(hdc, OPAQUE); + + wxColour colBack = GetBackgroundColour(); + + if (!IsEnabled() && (GetWindowStyle() & wxTE_MULTILINE) == 0) + colBack = wxSystemSettings::GetSystemColour(wxSYS_COLOUR_3DFACE); + + ::SetBkColor(hdc, wxColourToRGB(colBack)); + ::SetTextColor(hdc, wxColourToRGB(GetForegroundColour())); + + wxBrush *brush = wxTheBrushList->FindOrCreateBrush(colBack, wxSOLID); + + return (WXHBRUSH)brush->GetResourceHandle(); +} + +// In WIN16, need to override normal erasing because +// Ctl3D doesn't use the wxWindows background colour. +#ifdef __WIN16__ +void wxTextCtrl::OnEraseBackground(wxEraseEvent& event) +{ + wxColour col(m_backgroundColour); + +#if wxUSE_CTL3D + if (m_useCtl3D) + col = wxSystemSettings::GetSystemColour(wxSYS_COLOUR_WINDOW); +#endif + + RECT rect; + ::GetClientRect(GetHwnd(), &rect); + + COLORREF ref = PALETTERGB(col.Red(), + col.Green(), + col.Blue()); + HBRUSH hBrush = ::CreateSolidBrush(ref); + if ( !hBrush ) + wxLogLastError(wxT("CreateSolidBrush")); + + HDC hdc = (HDC)event.GetDC()->GetHDC(); + + int mode = ::SetMapMode(hdc, MM_TEXT); + + ::FillRect(hdc, &rect, hBrush); + ::DeleteObject(hBrush); + ::SetMapMode(hdc, mode); + +} +#endif + void wxTextCtrl::AdjustSpaceLimit() { #ifndef __WIN16__ @@ -1009,7 +1101,7 @@ wxSize wxTextCtrl::DoGetBestSize() const int hText = EDIT_HEIGHT_FROM_CHAR_HEIGHT(cy); if ( m_windowStyle & wxTE_MULTILINE ) { - hText *= wxMin(GetNumberOfLines(), 5); + hText *= wxMax(GetNumberOfLines(), 5); } //else: for single line control everything is ok @@ -1070,11 +1162,166 @@ void wxTextCtrl::OnUpdateRedo(wxUpdateUIEvent& event) event.Enable( CanRedo() ); } +// the rest of the file only deals with the rich edit controls +#if wxUSE_RICHEDIT + // ---------------------------------------------------------------------------- -// wxRichEditModule +// colour setting for the rich edit controls // ---------------------------------------------------------------------------- -#if wxUSE_RICHEDIT +// Watcom C++ doesn't define this +#ifndef SCF_ALL +#define SCF_ALL 0x0004 +#endif + +bool wxTextCtrl::SetBackgroundColour(const wxColour& colour) +{ + if ( !wxTextCtrlBase::SetBackgroundColour(colour) ) + { + // colour didn't really change + return FALSE; + } + + if ( IsRich() ) + { + // rich edit doesn't use WM_CTLCOLOR, hence we need to send + // EM_SETBKGNDCOLOR additionally + ::SendMessage(GetHwnd(), EM_SETBKGNDCOLOR, 0, wxColourToRGB(colour)); + } + + return TRUE; +} + +bool wxTextCtrl::SetForegroundColour(const wxColour& colour) +{ + if ( !wxTextCtrlBase::SetForegroundColour(colour) ) + { + // colour didn't really change + return FALSE; + } + + if ( IsRich() ) + { + // change the colour of everything + CHARFORMAT cf; + wxZeroMemory(cf); + cf.cbSize = sizeof(cf); + cf.dwMask = CFM_COLOR; + cf.crTextColor = wxColourToRGB(colour); + ::SendMessage(GetHwnd(), EM_SETCHARFORMAT, SCF_ALL, (LPARAM)&cf); + } + + return TRUE; +} + +// ---------------------------------------------------------------------------- +// styling support for rich edit controls +// ---------------------------------------------------------------------------- + +bool wxTextCtrl::SetStyle(long start, long end, const wxTextAttr& style) +{ + if ( !IsRich() ) + { + // can't do it with normal text control + return FALSE; + } + + // the rich text control doesn't handle setting background colour, so don't + // even try if it's the only thing we want to change + if ( !style.HasFont() && !style.HasTextColour() ) + { + // nothing to do: return TRUE if there was really nothing to doand + // FALSE fi we failed to set bg colour + return !style.HasBackgroundColour(); + } + + // order the range if needed + if ( start > end ) + { + long tmp = start; + start = end; + end = tmp; + } + + // 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; + + if ( changeSel ) + SendMessage(GetHwnd(), EM_SETSEL, (WPARAM) start, (LPARAM) end); + + // initialize CHARFORMAT struct + CHARFORMAT cf; + wxZeroMemory(cf); + cf.cbSize = sizeof(cf); + + if ( style.HasFont() ) + { + cf.dwMask |= CFM_FACE | CFM_SIZE | CFM_CHARSET; + + // fill in data from LOGFONT but recalculate lfHeight because we need + // 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) + LOGFONT lf; + wxFillLogFont(&lf, &style.GetFont()); + cf.yHeight = 20*style.GetFont().GetPointSize(); // 1 pt = 20 twips + cf.bCharSet = lf.lfCharSet; + cf.bPitchAndFamily = lf.lfPitchAndFamily; + wxStrncpy( cf.szFaceName, lf.lfFaceName, WXSIZEOF(cf.szFaceName) ); + + // also deal with underline/italic/bold attributes + if ( lf.lfItalic ) + { + cf.dwMask |= CFM_ITALIC; + cf.dwEffects |= CFE_ITALIC; + } + + if ( lf.lfWeight == FW_BOLD ) + { + cf.dwMask |= CFM_BOLD; + cf.dwEffects |= CFE_BOLD; + } + + if ( lf.lfUnderline ) + { + cf.dwMask |= CFM_UNDERLINE; + cf.dwEffects |= CFE_UNDERLINE; + } + + // strikeout fonts are not supported by wxWindows + } + + if ( style.HasTextColour() ) + { + cf.dwMask |= CFM_COLOR; + cf.crTextColor = wxColourToRGB(style.GetTextColour()); + } + + // do format the selection + bool ok = ::SendMessage(GetHwnd(), EM_SETCHARFORMAT, + SCF_SELECTION, (LPARAM)&cf) != 0; + if ( !ok ) + { + wxLogDebug(_T("SendMessage(EM_SETCHARFORMAT, SCF_SELECTION) failed")); + } + + if ( changeSel ) + { + // restore the original selection + SendMessage(GetHwnd(), EM_SETSEL, (WPARAM)startOld, (LPARAM)endOld); + } + + return ok; +} + +// ---------------------------------------------------------------------------- +// wxRichEditModule +// ---------------------------------------------------------------------------- bool wxRichEditModule::OnInit() {