/////////////////////////////////////////////////////////////////////////////
-// Name: textctrl.cpp
+// Name: msw/textctrl.cpp
// Purpose: wxTextCtrl
// Author: Julian Smart
// Modified by:
#include "wx/app.h"
#endif
+#include "wx/module.h"
+
#if wxUSE_CLIPBOARD
#include "wx/clipbrd.h"
#endif
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
// ============================================================================
// 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)
if (m_windowStyle & wxTE_PASSWORD) // hidden input
msStyle |= ES_PASSWORD;
+ if (m_windowStyle & wxTE_AUTO_SCROLL)
+ msStyle |= ES_AUTOHSCROLL;
+
+
// we always want the characters and the arrows
m_lDlgCode = DLGC_WANTCHARS | DLGC_WANTARROWS;
// 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;
}
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());
#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;
}
if ( (value.length() > 0x400) || (value != GetValue()) )
{
wxString valueDos = wxTextFile::Translate(value, wxTextFileType_Dos);
-
+
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();
}
}
{
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();
// Can copy if there's a selection
long from, to;
GetSelection(& from, & to);
- return (from != to);
+ return (from != to) ;
}
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
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)
SendMessage(hWnd, EM_SETSEL, 0, MAKELPARAM(pos, pos));
#endif // Win32/16
- static const char *nothing = "";
+ static const wxChar *nothing = _T("");
SendMessage(hWnd, EM_REPLACESEL, 0, (LPARAM)nothing);
}
*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
wxString wxTextCtrl::GetLineText(long lineNo) const
{
size_t len = (size_t)GetLineLength(lineNo) + 1;
- char *buf = (char *)malloc(len);
- *(WORD *)buf = len;
- int noChars = (int)SendMessage(GetHwnd(), EM_GETLINE, lineNo, (LPARAM)buf);
- buf[noChars] = 0;
- wxString str(buf);
+ // there must be at least enough place for the length WORD in the
+ // buffer
+ len += sizeof(WORD);
+
+ wxString str;
+ wxChar *buf = str.GetWriteBuf(len);
+
+ *(WORD *)buf = (WORD)len;
+ len = (size_t)::SendMessage(GetHwnd(), EM_GETLINE, lineNo, (LPARAM)buf);
+ buf[len] = 0;
- free(buf);
+ str.UngetWriteBuf(len);
return str;
}
// implemenation details
// ----------------------------------------------------------------------------
-/*
void wxTextCtrl::Command(wxCommandEvent & event)
{
SetValue(event.GetString());
ProcessCommand (event);
}
-*/
void wxTextCtrl::OnDropFiles(wxDropFilesEvent& event)
{
if ( !(m_windowStyle & wxTE_MULTILINE) )
{
wxCommandEvent event(wxEVT_COMMAND_TEXT_ENTER, m_windowId);
- event.SetEventObject( this );
+ InitCommandEvent(event);
+ event.SetString(GetValue());
if ( GetEventHandler()->ProcessEvent(event) )
return;
}
case EN_CHANGE:
{
wxCommandEvent event(wxEVT_COMMAND_TEXT_UPDATED, m_windowId);
- event.SetEventObject( this );
- event.SetString( GetValue() );
- ProcessCommand( event );
+ InitCommandEvent(event);
+ event.SetString(GetValue());
+ ProcessCommand(event);
}
break;
case EN_ERRSPACE:
case EN_HSCROLL:
case EN_VSCROLL:
+ return FALSE;
default:
return FALSE;
}
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__
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
// standard handlers for standard edit menu events
// ----------------------------------------------------------------------------
-void wxTextCtrl::OnCut(wxCommandEvent& event)
+void wxTextCtrl::OnCut(wxCommandEvent& WXUNUSED(event))
{
Cut();
}
-void wxTextCtrl::OnCopy(wxCommandEvent& event)
+void wxTextCtrl::OnCopy(wxCommandEvent& WXUNUSED(event))
{
Copy();
}
-void wxTextCtrl::OnPaste(wxCommandEvent& event)
+void wxTextCtrl::OnPaste(wxCommandEvent& WXUNUSED(event))
{
Paste();
}
-void wxTextCtrl::OnUndo(wxCommandEvent& event)
+void wxTextCtrl::OnUndo(wxCommandEvent& WXUNUSED(event))
{
Undo();
}
-void wxTextCtrl::OnRedo(wxCommandEvent& event)
+void wxTextCtrl::OnRedo(wxCommandEvent& WXUNUSED(event))
{
Redo();
}
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()
{
projects / wxWidgets.git / blobdiff