// Modified by:
// Created: 04/01/98
// RCS-ID: $Id$
-// Copyright: (c) Julian Smart and Markus Holzem
-// Licence: wxWindows license
+// Copyright: (c) Julian Smart
+// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
// ============================================================================
// declarations
// ============================================================================
-#ifdef __GNUG__
+#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
#pragma implementation "textctrl.h"
#endif
#include "wx/intl.h"
#include "wx/log.h"
#include "wx/app.h"
+ #include "wx/menu.h"
#endif
#include "wx/module.h"
#include <windowsx.h>
#include "wx/msw/private.h"
+#include "wx/msw/winundef.h"
#include <string.h>
#include <stdlib.h>
-#include <sys/types.h>
-
-#if wxUSE_RICHEDIT && (!defined(__GNUWIN32_OLD__) || defined(__CYGWIN10__))
- #include <richedit.h>
-#endif
-// old mingw32 doesn't define this
-#ifndef CFM_CHARSET
- #define CFM_CHARSET 0x08000000
-#endif // CFM_CHARSET
-
-#ifndef CFM_BACKCOLOR
- #define CFM_BACKCOLOR 0x04000000
+#ifndef __WXWINCE__
+#include <sys/types.h>
#endif
-// cygwin does not have these defined for richedit
-#ifndef ENM_LINK
- #define ENM_LINK 0x04000000
-#endif
+#if wxUSE_RICHEDIT
-#ifndef EM_AUTOURLDETECT
- #define EM_AUTOURLDETECT (WM_USER + 91)
+// old mingw32 has richedit stuff directly in windows.h and doesn't have
+// richedit.h at all
+#if !defined(__GNUWIN32_OLD__) || defined(__CYGWIN10__)
+ #include <richedit.h>
#endif
-#ifndef EN_LINK
- #define EN_LINK 0x070b
-
- typedef struct _enlink
- {
- NMHDR nmhdr;
- UINT msg;
- WPARAM wParam;
- LPARAM lParam;
- CHARRANGE chrg;
- } ENLINK;
-#endif // ENLINK
-
-#ifndef SF_UNICODE
- #define SF_UNICODE 0x0010
-#endif
-
-// ----------------------------------------------------------------------------
-// private functions
-// ----------------------------------------------------------------------------
-
-#if wxUSE_RICHEDIT
-
-DWORD CALLBACK wxRichEditStreamIn(DWORD dwCookie, BYTE *buf, LONG cb, LONG *pcb);
+#include "wx/msw/missing.h"
#endif // wxUSE_RICHEDIT
#if wxUSE_RICHEDIT
-// this module initializes RichEdit DLL if needed
+// this module initializes RichEdit DLL(s) if needed
class wxRichEditModule : public wxModule
{
public:
virtual bool OnInit();
virtual void OnExit();
- // get the version currently loaded, -1 if none
- static int GetLoadedVersion() { return ms_verRichEdit; }
-
// load the richedit DLL of at least of required version
static bool Load(int version = 1);
private:
- // the handle to richedit DLL and the version of the DLL loaded
- static HINSTANCE ms_hRichEdit;
-
- // the DLL version loaded or -1 if none
- static int ms_verRichEdit;
+ // the handles to richedit 1.0 and 2.0 (or 3.0) DLLs
+ static HINSTANCE ms_hRichEdit[2];
DECLARE_DYNAMIC_CLASS(wxRichEditModule)
};
-HINSTANCE wxRichEditModule::ms_hRichEdit = (HINSTANCE)NULL;
-int wxRichEditModule::ms_verRichEdit = -1;
+HINSTANCE wxRichEditModule::ms_hRichEdit[2] = { NULL, NULL };
IMPLEMENT_DYNAMIC_CLASS(wxRichEditModule, wxModule)
// 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 ,, 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 , , 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)
EVT_CHAR(wxTextCtrl::OnChar)
EVT_DROP_FILES(wxTextCtrl::OnDropFiles)
+#if wxUSE_RICHEDIT
+ EVT_RIGHT_UP(wxTextCtrl::OnRightClick)
+#endif
+
EVT_MENU(wxID_CUT, wxTextCtrl::OnCut)
EVT_MENU(wxID_COPY, wxTextCtrl::OnCopy)
EVT_MENU(wxID_PASTE, wxTextCtrl::OnPaste)
EVT_MENU(wxID_UNDO, wxTextCtrl::OnUndo)
EVT_MENU(wxID_REDO, wxTextCtrl::OnRedo)
+ EVT_MENU(wxID_CLEAR, wxTextCtrl::OnDelete)
+ EVT_MENU(wxID_SELECTALL, wxTextCtrl::OnSelectAll)
EVT_UPDATE_UI(wxID_CUT, wxTextCtrl::OnUpdateCut)
EVT_UPDATE_UI(wxID_COPY, wxTextCtrl::OnUpdateCopy)
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
+ EVT_UPDATE_UI(wxID_CLEAR, wxTextCtrl::OnUpdateDelete)
+ EVT_UPDATE_UI(wxID_SELECTALL, wxTextCtrl::OnUpdateSelectAll)
+
+ EVT_SET_FOCUS(wxTextCtrl::OnSetFocus)
END_EVENT_TABLE()
// ============================================================================
{
#if wxUSE_RICHEDIT
m_verRichEdit = 0;
-#endif
+#endif // wxUSE_RICHEDIT
+
+ m_privateContextMenu = NULL;
+ m_suppressNextUpdate = FALSE;
+ m_isNativeCaretShown = true;
+}
+
+wxTextCtrl::~wxTextCtrl()
+{
+ if (m_privateContextMenu)
+ {
+ delete m_privateContextMenu;
+ m_privateContextMenu = NULL;
+ }
}
bool wxTextCtrl::Create(wxWindow *parent, wxWindowID id,
if ( parent )
parent->AddChild(this);
- // translate wxWin style flags to MSW ones, checking for consistency while
- // doing it
- long msStyle = ES_LEFT | WS_TABSTOP;
+ // translate wxWin style flags to MSW ones
+ WXDWORD msStyle = MSWGetCreateWindowFlags();
- if ( m_windowStyle & wxCLIP_SIBLINGS )
- msStyle |= WS_CLIPSIBLINGS;
+ // do create the control - either an EDIT or RICHEDIT
+ wxString windowClass = wxT("EDIT");
- if ( m_windowStyle & wxTE_MULTILINE )
+#if wxUSE_RICHEDIT
+ if ( m_windowStyle & wxTE_AUTO_URL )
{
- wxASSERT_MSG( !(m_windowStyle & wxTE_PROCESS_ENTER),
- 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)
- msStyle |= WS_VSCROLL;
- m_windowStyle |= wxTE_PROCESS_ENTER;
+ // automatic URL detection only works in RichEdit 2.0+
+ m_windowStyle |= wxTE_RICH2;
}
- else // !multiline
+
+ if ( m_windowStyle & wxTE_RICH2 )
{
- // there is really no reason to not have this style for single line
- // text controls
- msStyle |= ES_AUTOHSCROLL;
+ // using richedit 2.0 implies using wxTE_RICH
+ m_windowStyle |= wxTE_RICH;
}
- if ( m_windowStyle & wxHSCROLL )
- msStyle |= WS_HSCROLL | ES_AUTOHSCROLL;
-
- if ( m_windowStyle & wxTE_READONLY )
- msStyle |= ES_READONLY;
-
- if ( m_windowStyle & wxTE_PASSWORD )
- msStyle |= ES_PASSWORD;
-
- if ( m_windowStyle & wxTE_AUTO_SCROLL )
- msStyle |= ES_AUTOHSCROLL;
-
- if ( m_windowStyle & wxTE_NOHIDESEL )
- msStyle |= ES_NOHIDESEL;
-
- // we always want the characters and the arrows
- m_lDlgCode = DLGC_WANTCHARS | DLGC_WANTARROWS;
-
- // we may have several different cases:
- // 1. normal case: both TAB and ENTER are used for dialog 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 pass to
- // the next control
- if ( m_windowStyle & wxTE_PROCESS_ENTER )
- m_lDlgCode |= DLGC_WANTMESSAGE;
- if ( m_windowStyle & wxTE_PROCESS_TAB )
- m_lDlgCode |= DLGC_WANTTAB;
-
- // do create the control - either an EDIT or RICHEDIT
- wxString windowClass = wxT("EDIT");
-
-#if wxUSE_RICHEDIT
+ // we need to load the richedit DLL before creating the rich edit control
if ( m_windowStyle & wxTE_RICH )
{
- static bool s_errorGiven = FALSE; // MT-FIXME
+ static bool s_errorGiven = FALSE;// MT-FIXME
+
+ // Which version do we need? Use 1.0 by default because it is much more
+ // like the the standard EDIT or 2.0 if explicitly requested, but use
+ // only 2.0 in Unicode mode as 1.0 doesn't support Unicode at all
+ //
+ // TODO: RichEdit 3.0 is apparently capable of emulating RichEdit 1.0
+ // (and thus EDIT) much better than RichEdit 2.0 so we probably
+ // should use 3.0 if available as it is the best of both worlds -
+ // but as I can't test it right now I don't do it (VZ)
+#if wxUSE_UNICODE
+ const int verRichEdit = 2;
+#else // !wxUSE_UNICODE
+ int verRichEdit = m_windowStyle & wxTE_RICH2 ? 2 : 1;
+#endif // wxUSE_UNICODE/!wxUSE_UNICODE
// only give the error msg once if the DLL can't be loaded
if ( !s_errorGiven )
{
- // first try to load the RichEdit DLL (will do nothing if already
- // done)
- if ( !wxRichEditModule::Load() )
+ // try to load the RichEdit DLL (will do nothing if already done)
+ if ( !wxRichEditModule::Load(verRichEdit) )
{
- wxLogError(_("Impossible to create a rich edit control, using simple text control instead. Please reinstall riched32.dll"));
+#if !wxUSE_UNICODE
+ // try another version?
+ verRichEdit = 3 - verRichEdit; // 1 <-> 2
- s_errorGiven = TRUE;
+ if ( !wxRichEditModule::Load(verRichEdit) )
+#endif // wxUSE_UNICODE
+ {
+ wxLogError(_("Impossible to create a rich edit control, using simple text control instead. Please reinstall riched32.dll"));
+
+ s_errorGiven = TRUE;
+ }
}
}
+ // have we managed to load any richedit version?
if ( !s_errorGiven )
{
- msStyle |= ES_AUTOVSCROLL;
-
- m_verRichEdit = wxRichEditModule::GetLoadedVersion();
+ m_verRichEdit = verRichEdit;
if ( m_verRichEdit == 1 )
{
windowClass = wxT("RICHEDIT");
if ( !MSWCreateControl(windowClass, msStyle, pos, size, valueWin) )
return FALSE;
- SetBackgroundColour(wxSystemSettings::GetSystemColour(wxSYS_COLOUR_WINDOW));
+ SetBackgroundColour(wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOW));
#if wxUSE_RICHEDIT
if ( IsRich() )
{
- // have to enable events manually
- LPARAM mask = ENM_CHANGE | ENM_DROPFILES | ENM_SELCHANGE | ENM_UPDATE;
+ // enable the events we're interested in: we want to get EN_CHANGE as
+ // for the normal controls
+ LPARAM mask = ENM_CHANGE;
- if ( m_windowStyle & wxTE_AUTO_URL )
+ if ( GetRichVersion() == 1 )
+ {
+ // we also need EN_MSGFILTER for richedit 1.0 for the reasons
+ // explained in its handler
+ mask |= ENM_MOUSEEVENTS;
+ }
+ else if ( m_windowStyle & wxTE_AUTO_URL )
{
mask |= ENM_LINK;
m_windowStyle |= wxTE_READONLY;
if (style & ES_WANTRETURN)
m_windowStyle |= wxTE_PROCESS_ENTER;
+ if (style & ES_CENTER)
+ m_windowStyle |= wxTE_CENTRE;
+ if (style & ES_RIGHT)
+ m_windowStyle |= wxTE_RIGHT;
+}
+
+WXDWORD wxTextCtrl::MSWGetStyle(long style, WXDWORD *exstyle) const
+{
+ long msStyle = wxControl::MSWGetStyle(style, exstyle);
+
+ // styles which we alaways add by default
+ if ( style & wxTE_MULTILINE )
+ {
+ wxASSERT_MSG( !(style & wxTE_PROCESS_ENTER),
+ wxT("wxTE_PROCESS_ENTER style is ignored for multiline text controls (they always process it)") );
+
+ msStyle |= ES_MULTILINE | ES_WANTRETURN;
+ if ( !(style & wxTE_NO_VSCROLL) )
+ {
+ // always adjust the vertical scrollbar automatically if we have it
+ msStyle |= WS_VSCROLL | ES_AUTOVSCROLL;
+
+#if wxUSE_RICHEDIT
+ // we have to use this style for the rich edit controls because
+ // without it the vertical scrollbar never appears at all in
+ // richedit 3.0 because of our ECO_NOHIDESEL hack (search for it)
+ if ( style & wxTE_RICH2 )
+ {
+ msStyle |= ES_DISABLENOSCROLL;
+ }
+#endif // wxUSE_RICHEDIT
+ }
+
+ style |= wxTE_PROCESS_ENTER;
+ }
+ else // !multiline
+ {
+ // there is really no reason to not have this style for single line
+ // text controls
+ msStyle |= ES_AUTOHSCROLL;
+ }
+
+ // note that wxTE_DONTWRAP is the same as wxHSCROLL so if we have a horz
+ // scrollbar, there is no wrapping -- which makes sense
+ if ( style & wxTE_DONTWRAP )
+ {
+ // automatically scroll the control horizontally as necessary
+ msStyle |= WS_HSCROLL;
+ }
+
+ if ( style & wxTE_READONLY )
+ msStyle |= ES_READONLY;
+
+ if ( style & wxTE_PASSWORD )
+ msStyle |= ES_PASSWORD;
+
+ if ( style & wxTE_NOHIDESEL )
+ msStyle |= ES_NOHIDESEL;
+
+ // note that we can't do do "& wxTE_LEFT" as wxTE_LEFT == 0
+ if ( style & wxTE_CENTRE )
+ msStyle |= ES_CENTER;
+ else if ( style & wxTE_RIGHT )
+ msStyle |= ES_RIGHT;
+ else
+ msStyle |= ES_LEFT; // ES_LEFT is 0 as well but for consistency...
+
+ return msStyle;
+}
+
+void wxTextCtrl::SetWindowStyleFlag(long style)
+{
+#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
+ // using richedit-specific EM_SETOPTIONS
+ if ( IsRich() &&
+ ((style & wxTE_NOHIDESEL) != (GetWindowStyle() & wxTE_NOHIDESEL)) )
+ {
+ bool set = (style & wxTE_NOHIDESEL) != 0;
+
+ ::SendMessage(GetHwnd(), EM_SETOPTIONS, set ? ECOOP_OR : ECOOP_AND,
+ set ? ECO_NOHIDESEL : ~ECO_NOHIDESEL);
+ }
+#endif // wxUSE_RICHEDIT
+
+ wxControl::SetWindowStyleFlag(style);
}
// ----------------------------------------------------------------------------
wxString wxTextCtrl::GetValue() const
{
- // we can't use wxGetWindowText() (i.e. WM_GETTEXT internally) for
- // retrieving more than 64Kb under Win9x
+ // range 0..-1 is special for GetRange() and means to retrieve all text
+ return GetRange(0, -1);
+}
+
+wxString wxTextCtrl::GetRange(long from, long to) const
+{
+ wxString str;
+
+ if ( from >= to && to != -1 )
+ {
+ // nothing to retrieve
+ return str;
+ }
+
#if wxUSE_RICHEDIT
if ( IsRich() )
{
- wxString str;
-
int len = GetWindowTextLength(GetHwnd());
- if ( len )
+ if ( len > from )
{
- // alloc one extra WORD as needed by the control
- wxChar *p = str.GetWriteBuf(++len);
+ if ( to == -1 )
+ to = len;
- TEXTRANGE textRange;
- textRange.chrg.cpMin = 0;
- textRange.chrg.cpMax = -1;
- textRange.lpstrText = p;
+#if !wxUSE_UNICODE
+ // we must use EM_STREAMOUT if we don't want to lose all characters
+ // not representable in the current character set (EM_GETTEXTRANGE
+ // simply replaces them with question marks...)
+ if ( GetRichVersion() > 1 )
+ {
+ // we must have some encoding, otherwise any 8bit chars in the
+ // control are simply *lost* (replaced by '?')
+ wxFontEncoding encoding = wxFONTENCODING_SYSTEM;
+
+ wxFont font = m_defaultStyle.GetFont();
+ if ( !font.Ok() )
+ font = GetFont();
- (void)SendMessage(GetHwnd(), EM_GETTEXTRANGE, 0, (LPARAM)&textRange);
+ if ( font.Ok() )
+ {
+ encoding = font.GetEncoding();
+ }
- // 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 ( encoding == wxFONTENCODING_SYSTEM )
+ {
+ encoding = wxLocale::GetSystemEncoding();
+ }
+
+ if ( encoding == wxFONTENCODING_SYSTEM )
+ {
+ encoding = wxFONTENCODING_ISO8859_1;
+ }
+
+ str = StreamOut(encoding);
+
+ if ( !str.empty() )
+ {
+ // we have to manually extract the required part, luckily
+ // this is easy in this case as EOL characters in str are
+ // just LFs because we remove CRs in wxRichEditStreamOut
+ str = str.Mid(from, to - from);
+ }
+ }
+
+ // StreamOut() wasn't used or failed, try to do it in normal way
+ if ( str.empty() )
+#endif // !wxUSE_UNICODE
{
- if ( *p == _T('\r') )
- *p = _T('\n');
+ // alloc one extra WORD as needed by the control
+ wxStringBuffer tmp(str, ++len);
+ wxChar *p = tmp;
+
+ TEXTRANGE textRange;
+ textRange.chrg.cpMin = from;
+ textRange.chrg.cpMax = to;
+ textRange.lpstrText = p;
+
+ (void)SendMessage(GetHwnd(), EM_GETTEXTRANGE,
+ 0, (LPARAM)&textRange);
+
+ if ( m_verRichEdit > 1 )
+ {
+ // RichEdit 2.0 uses just CR ('\r') for the
+ // newlines which is neither Unix nor Windows
+ // style - convert it to something reasonable
+ for ( ; *p; p++ )
+ {
+ if ( *p == _T('\r') )
+ *p = _T('\n');
+ }
+ }
}
- str.UngetWriteBuf();
+ if ( m_verRichEdit == 1 )
+ {
+ // convert to the canonical form - see comment below
+ str = wxTextFile::Translate(str, wxTextFileType_Unix);
+ }
}
//else: no text at all, leave the string empty
-
- return str;
}
+ else
#endif // wxUSE_RICHEDIT
+ {
+ // retrieve all text
+ str = wxGetWindowText(GetHWND());
+
+ // need only a range?
+ if ( from < to )
+ {
+ str = str.Mid(from, to - from);
+ }
- // WM_GETTEXT uses standard DOS CR+LF (\r\n) convention - convert to the
- // same one as above for consitency
- wxString str = wxGetWindowText(GetHWND());
+ // WM_GETTEXT uses standard DOS CR+LF (\r\n) convention - convert to the
+ // canonical one (same one as above) for consistency with the other kinds
+ // of controls and, more importantly, with the other ports
+ str = wxTextFile::Translate(str, wxTextFileType_Unix);
+ }
- return wxTextFile::Translate(str, wxTextFileType_Unix);
+ return str;
}
void wxTextCtrl::SetValue(const wxString& value)
// edit controls mostly)
if ( (value.length() > 0x400) || (value != GetValue()) )
{
- // it is simpler to do this but it could be more efficient to reproduce
- // WriteText() logic here
- Clear();
-
- WriteText(value);
-
- // mark the control as being not dirty - we changed its text, not the
- // user
- DiscardEdits();
-
+ DoWriteText(value, FALSE /* not selection only */);
+
// for compatibility, don't move the cursor when doing SetValue()
SetInsertionPoint(0);
}
+ else // same text
+ {
+ // still send an event for consistency
+ 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)
-DWORD CALLBACK wxRichEditStreamIn(DWORD dwCookie, BYTE *buf, LONG cb, LONG *pcb)
+// TODO: using memcpy() would improve performance a lot for big amounts of text
+
+DWORD CALLBACK
+wxRichEditStreamIn(DWORD dwCookie, BYTE *buf, LONG cb, LONG *pcb)
{
*pcb = 0;
+ const wchar_t ** const ppws = (const wchar_t **)dwCookie;
+
wchar_t *wbuf = (wchar_t *)buf;
- const wchar_t *wpc = *(const wchar_t **)dwCookie;
+ const wchar_t *wpc = *ppws;
while ( cb && *wpc )
{
*wbuf++ = *wpc++;
(*pcb) += sizeof(wchar_t);
}
- *(const wchar_t **)dwCookie = wpc;
+ *ppws = wpc;
return 0;
}
-extern long wxEncodingToCodepage(wxFontEncoding encoding); // from strconv.cpp
-
-#if wxUSE_UNICODE_MSLU
-bool wxTextCtrl::StreamIn(const wxString& value, wxFontEncoding WXUNUSED(encoding))
+// helper struct used to pass parameters from wxTextCtrl to wxRichEditStreamOut
+struct wxStreamOutData
{
- const wchar_t *wpc = value.c_str();
-#else
-bool wxTextCtrl::StreamIn(const wxString& value, wxFontEncoding encoding)
+ wchar_t *wpc;
+ size_t len;
+};
+
+DWORD CALLBACK
+wxRichEditStreamOut(DWORD_PTR dwCookie, BYTE *buf, LONG cb, LONG *pcb)
{
- // we have to use EM_STREAMIN to force richedit control 2.0+ to show any
- // text in the non default charset - otherwise it thinks it knows better
- // than we do and always shows it in the default one
+ *pcb = 0;
+
+ wxStreamOutData *data = (wxStreamOutData *)dwCookie;
- // first get the Windows code page for this encoding
- long codepage = wxEncodingToCodepage(encoding);
- if ( codepage == -1 )
+ const wchar_t *wbuf = (const wchar_t *)buf;
+ wchar_t *wpc = data->wpc;
+ while ( cb )
{
- // unknown encoding
- return FALSE;
+ wchar_t wch = *wbuf++;
+
+ // turn "\r\n" into "\n" on the fly
+ if ( wch != L'\r' )
+ *wpc++ = wch;
+ else
+ data->len--;
+
+ cb -= sizeof(wchar_t);
+ (*pcb) += sizeof(wchar_t);
}
- // next translate to Unicode using this code page
- int len = ::MultiByteToWideChar(codepage, 0, value, -1, NULL, 0);
+ data->wpc = wpc;
+
+ return 0;
+}
+
+
+#if wxUSE_UNICODE_MSLU
+ #define UNUSED_IF_MSLU(param)
+#else
+ #define UNUSED_IF_MSLU(param) param
+#endif
+
+bool
+wxTextCtrl::StreamIn(const wxString& value,
+ wxFontEncoding UNUSED_IF_MSLU(encoding),
+ bool selectionOnly)
+{
+#if wxUSE_UNICODE_MSLU
+ const wchar_t *wpc = value.c_str();
+#else // !wxUSE_UNICODE_MSLU
+ wxCSConv conv(encoding);
+
+ const size_t len = conv.MB2WC(NULL, value, value.length());
+
+#if wxUSE_WCHAR_T
wxWCharBuffer wchBuf(len);
- if ( !::MultiByteToWideChar(codepage, 0, value, -1,
- (wchar_t *)wchBuf.data(), len) )
- {
- wxLogLastError(_T("MultiByteToWideChar"));
- }
+ wchar_t *wpc = wchBuf.data();
+#else
+ wchar_t *wchBuf = (wchar_t *)malloc((len + 1)*sizeof(wchar_t));
+ wchar_t *wpc = wchBuf;
+#endif
- // finally, stream it in the control
- const wchar_t *wpc = wchBuf;
+ conv.MB2WC(wpc, value, value.length());
#endif // wxUSE_UNICODE_MSLU
+ // finally, stream it in the control
EDITSTREAM eds;
wxZeroMemory(eds);
eds.dwCookie = (DWORD)&wpc;
// the cast below is needed for broken (very) old mingw32 headers
eds.pfnCallback = (EDITSTREAMCALLBACK)wxRichEditStreamIn;
- if ( !::SendMessage(GetHwnd(), EM_STREAMIN,
- SF_TEXT | SF_UNICODE | SFF_SELECTION,
- (LPARAM)&eds) || eds.dwError )
+ // we're going to receive 2 EN_CHANGE notifications if we got any selection
+ // (same problem as in DoWriteText())
+ if ( selectionOnly && HasSelection() )
{
- wxLogLastError(_T("EM_STREAMIN"));
+ // so suppress one of them
+ m_suppressNextUpdate = TRUE;
+ }
- return FALSE;
+ ::SendMessage(GetHwnd(), EM_STREAMIN,
+ SF_TEXT |
+ SF_UNICODE |
+ (selectionOnly ? SFF_SELECTION : 0),
+ (LPARAM)&eds);
+
+ if ( eds.dwError )
+ {
+ wxLogLastError(_T("EM_STREAMIN"));
}
+#if !wxUSE_WCHAR_T
+ free(wchBuf);
+#endif // !wxUSE_WCHAR_T
+
return TRUE;
}
+#if !wxUSE_UNICODE_MSLU
+
+wxString
+wxTextCtrl::StreamOut(wxFontEncoding encoding, bool selectionOnly) const
+{
+ wxString out;
+
+ 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;
+ data.len = len;
+
+ EDITSTREAM eds;
+ wxZeroMemory(eds);
+ eds.dwCookie = (DWORD)&data;
+ eds.pfnCallback = wxRichEditStreamOut;
+
+ ::SendMessage
+ (
+ GetHwnd(),
+ EM_STREAMOUT,
+ SF_TEXT | SF_UNICODE | (selectionOnly ? SFF_SELECTION : 0),
+ (LPARAM)&eds
+ );
+
+ if ( eds.dwError )
+ {
+ wxLogLastError(_T("EM_STREAMOUT"));
+ }
+ else // streamed out ok
+ {
+ // NUL-terminate the string because its length could have been
+ // decreased by wxRichEditStreamOut
+ *(wchBuf.data() + data.len) = L'\0';
+
+ // now convert to the given encoding (this is a possibly lossful
+ // conversion but what else can we do)
+ wxCSConv conv(encoding);
+ size_t lenNeeded = conv.WC2MB(NULL, wchBuf, 0);
+ if ( lenNeeded++ )
+ {
+ conv.WC2MB(wxStringBuffer(out, lenNeeded), wchBuf, lenNeeded);
+ }
+ }
+
+#if !wxUSE_WCHAR_T
+ free(wchBuf);
+#endif // !wxUSE_WCHAR_T
+
+ return out;
+}
+
+#endif // !wxUSE_UNICODE_MSLU
+
#endif // wxUSE_RICHEDIT
void wxTextCtrl::WriteText(const wxString& value)
{
- wxString valueDos = wxTextFile::Translate(value, wxTextFileType_Dos);
+ DoWriteText(value);
+}
+
+void wxTextCtrl::DoWriteText(const wxString& value, bool selectionOnly)
+{
+ wxString valueDos;
+ if ( m_windowStyle & wxTE_MULTILINE )
+ valueDos = wxTextFile::Translate(value, wxTextFileType_Dos);
+ else
+ valueDos = value;
#if wxUSE_RICHEDIT
// there are several complications with the rich edit controls here
#if wxUSE_UNICODE_MSLU
// RichEdit doesn't have Unicode version of EM_REPLACESEL on Win9x,
// but EM_STREAMIN works
- if ( wxGetOsVersion() == wxWIN95 && GetRichVersion() > 1 )
+ if ( wxUsingUnicowsDll() && GetRichVersion() > 1 )
{
- done = StreamIn(valueDos, wxFONTENCODING_SYSTEM);
+ done = StreamIn(valueDos, wxFONTENCODING_SYSTEM, selectionOnly);
}
#endif // wxUSE_UNICODE_MSLU
wxFontEncoding encoding = font.GetEncoding();
if ( encoding != wxFONTENCODING_SYSTEM )
{
- done = StreamIn(valueDos, encoding);
+ // we have to use EM_STREAMIN to force richedit control 2.0+
+ // to show any text in the non default charset -- otherwise
+ // it thinks it knows better than we do and always shows it
+ // in the default one
+ done = StreamIn(valueDos, encoding, selectionOnly);
}
}
}
if ( !done )
#endif // wxUSE_RICHEDIT
{
- ::SendMessage(GetHwnd(), EM_REPLACESEL, 0, (LPARAM)valueDos.c_str());
+ // in some cases we get 2 EN_CHANGE notifications after the SendMessage
+ // call below which is confusing for the client code and so should be
+ // avoided
+ //
+ // these cases are: (a) plain EDIT controls if EM_REPLACESEL is used
+ // and there is a non empty selection currently and (b) rich text
+ // controls in any case
+ if (
+#if wxUSE_RICHEDIT
+ IsRich() ||
+#endif // wxUSE_RICHEDIT
+ (selectionOnly && HasSelection()) )
+ {
+ m_suppressNextUpdate = TRUE;
+ }
+
+ ::SendMessage(GetHwnd(), selectionOnly ? EM_REPLACESEL : WM_SETTEXT,
+ 0, (LPARAM)valueDos.c_str());
+
+ // OTOH, non rich text controls don't generate any events at all when
+ // we use WM_SETTEXT -- have to emulate them here
+ if ( !selectionOnly
+#if wxUSE_RICHEDIT
+ && !IsRich()
+#endif // wxUSE_RICHEDIT
+ )
+ {
+ // Windows already sends an update event for single-line
+ // controls.
+ if ( m_windowStyle & wxTE_MULTILINE )
+ SendUpdateEvent();
+ }
}
AdjustSpaceLimit();
SetInsertionPointEnd();
WriteText(text);
+
+#if wxUSE_RICHEDIT
+ if ( 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());
+ }
+#endif // wxUSE_RICHEDIT
}
void wxTextCtrl::Clear()
{
- ::SetWindowText(GetHwnd(), wxT(""));
+ ::SetWindowText(GetHwnd(), wxEmptyString);
+
+#if wxUSE_RICHEDIT
+ if ( !IsRich() )
+#endif // wxUSE_RICHEDIT
+ {
+ // 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();
+ }
+}
+
+#ifdef __WIN32__
+
+bool wxTextCtrl::EmulateKeyPress(const wxKeyEvent& event)
+{
+ SetFocus();
+
+ size_t lenOld = GetValue().length();
+
+ wxUint32 code = event.GetRawKeyCode();
+ ::keybd_event(code, 0, 0 /* key press */, 0);
+ ::keybd_event(code, 0, KEYEVENTF_KEYUP, 0);
+
+ // assume that any alphanumeric key changes the total number of characters
+ // in the control - this should work in 99% of cases
+ return GetValue().length() != lenOld;
}
+#endif // __WIN32__
+
// ----------------------------------------------------------------------------
// Clipboard operations
// ----------------------------------------------------------------------------
{
if (CanCopy())
{
- HWND hWnd = GetHwnd();
- SendMessage(hWnd, WM_COPY, 0, 0L);
+ ::SendMessage(GetHwnd(), WM_COPY, 0, 0L);
}
}
{
if (CanCut())
{
- HWND hWnd = GetHwnd();
- SendMessage(hWnd, WM_CUT, 0, 0L);
+ ::SendMessage(GetHwnd(), WM_CUT, 0, 0L);
}
}
{
if (CanPaste())
{
- HWND hWnd = GetHwnd();
- SendMessage(hWnd, WM_PASTE, 0, 0L);
+ ::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
- long from, to;
- GetSelection(& from, & to);
- return (from != to) ;
+ return HasSelection();
}
bool wxTextCtrl::CanCut() const
{
- // Can cut if there's a selection
- long from, to;
- GetSelection(& from, & to);
- return (from != to) && (IsEditable());
+ return CanCopy() && IsEditable();
}
bool wxTextCtrl::CanPaste() const
void wxTextCtrl::SetInsertionPoint(long pos)
{
- SetSelection(pos, pos);
+ DoSetSelection(pos, pos);
}
void wxTextCtrl::SetInsertionPointEnd()
{
- long pos = GetLastPosition();
+ // we must not do anything if the caret is already there because calling
+ // SetInsertionPoint() thaws the controls if Freeze() had been called even
+ // 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() )
+ 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);
}
long wxTextCtrl::GetLastPosition() const
{
- HWND hWnd = GetHwnd();
-
- // Will always return a number > 0 (according to docs)
- int noLines = (int)SendMessage(hWnd, EM_GETLINECOUNT, (WPARAM)0, (LPARAM)0L);
+ int numLines = GetNumberOfLines();
+ long posStartLastLine = XYToPosition(0, numLines - 1);
- // This gets the char index for the _beginning_ of the last line
- int charIndex = (int)SendMessage(hWnd, EM_LINEINDEX, (WPARAM)(noLines-1), (LPARAM)0L);
+ long lenLastLine = GetLengthOfLineContainingPos(posStartLastLine);
- // Get number of characters in the last line. We'll add this to the character
- // index for the last line, 1st position.
- int lineLength = (int)SendMessage(hWnd, EM_LINELENGTH, (WPARAM)charIndex, (LPARAM)0L);
-
- return (long)(charIndex + lineLength);
+ return posStartLastLine + lenLastLine;
}
// If the return values from and to are the same, there is no
}
}
-wxString wxTextCtrl::GetStringSelection() const
-{
- // the base class version works correctly for the rich text controls
- // because there the lines are terminated with just '\r' which means that
- // the string length is not changed in the result of the translations doen
- // in GetValue() but for the normal ones when we replace "\r\n" with '\n'
- // we break the indices
-#if wxUSE_RICHEDIT
- if ( IsRich() )
- return wxTextCtrlBase::GetStringSelection();
-#endif // wxUSE_RICHEDIT
-
- long from, to;
- GetSelection(&from, &to);
-
- wxString str;
- if ( from < to )
- {
- str = wxGetWindowText(GetHWND()).Mid(from, to - from);
-
- // and now that we have the correct selection, convert it to the
- // correct format
- str = wxTextFile::Translate(str, wxTextFileType_Unix);
- }
-
- return str;
-}
-
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);
+ return (style & ES_READONLY) == 0;
}
// ----------------------------------------------------------------------------
// ----------------------------------------------------------------------------
void wxTextCtrl::SetSelection(long from, long to)
-{
- DoSetSelection(from, to);
-}
-
-void wxTextCtrl::DoSetSelection(long from, long to, bool scrollCaret)
{
// if from and to are both -1, it means (in wxWindows) that all text should
// be selected - translate into Windows convention
to = -1;
}
+ DoSetSelection(from, to);
+}
+
+void wxTextCtrl::DoSetSelection(long from, long to, bool scrollCaret)
+{
HWND hWnd = GetHwnd();
-#ifdef __WIN32__
#if wxUSE_RICHEDIT
if ( IsRich() )
{
if ( scrollCaret )
{
#if wxUSE_RICHEDIT
- // EM_SCROLLCARET doesn't work for me with the richedit controls
- // unless it has focus although I don't see any mention of it in the
- // docs - this is the only workaround I found. Of course it's not
- // perfect as it adds the dummy focus set/kill events but it's still
- // better than nothing
- HWND hwndFocusOld;
- if ( IsRich() )
+ // richedit 3.0 (i.e. the version living in riched20.dll distributed
+ // with Windows 2000 and beyond) doesn't honour EM_SCROLLCARET when
+ // emulating richedit 2.0 unless the control has focus or ECO_NOHIDESEL
+ // option is set (but it does work ok in richedit 1.0 mode...)
+ //
+ // so to make it work we either need to give focus to it here which
+ // will probably create many problems (dummy focus events; window
+ // containing the text control being brought to foreground
+ // unexpectedly; ...) or to temporarily set ECO_NOHIDESEL which may
+ // create other problems too -- and in fact it does because if we turn
+ // on/off this style while appending the text to the control, the
+ // vertical scrollbar never appears in it even if we append tons of
+ // text and to work around this the only solution I found was to use
+ // ES_DISABLENOSCROLL
+ //
+ // this is very ugly but I don't see any other way to make this work
+ if ( GetRichVersion() > 1 )
{
- hwndFocusOld = ::GetFocus();
- if ( hwndFocusOld == GetHwnd() )
- {
- // don't change focus
- hwndFocusOld = 0;
- }
-
- if ( hwndFocusOld )
+ if ( !HasFlag(wxTE_NOHIDESEL) )
{
- ::SetFocus(GetHwnd());
+ ::SendMessage(GetHwnd(), EM_SETOPTIONS,
+ ECOOP_OR, ECO_NOHIDESEL);
}
- }
- else // not rich
- {
- hwndFocusOld = 0;
+ //else: everything is already ok
}
#endif // wxUSE_RICHEDIT
SendMessage(hWnd, EM_SCROLLCARET, (WPARAM)0, (LPARAM)0);
#if wxUSE_RICHEDIT
- if ( hwndFocusOld )
+ // restore ECO_NOHIDESEL if we changed it
+ if ( GetRichVersion() > 1 && !HasFlag(wxTE_NOHIDESEL) )
{
- ::SetFocus(hwndFocusOld);
+ ::SendMessage(GetHwnd(), EM_SETOPTIONS,
+ ECOOP_AND, ~ECO_NOHIDESEL);
}
#endif // wxUSE_RICHEDIT
}
-#else // Win16
- // WPARAM is 0: selection is scrolled into view
- SendMessage(hWnd, EM_SETSEL, (WPARAM)0, (LPARAM)MAKELONG(from, to));
-#endif // Win32/16
+}
+
+// ----------------------------------------------------------------------------
+// Working with files
+// ----------------------------------------------------------------------------
+
+bool wxTextCtrl::LoadFile(const wxString& file)
+{
+ if ( wxTextCtrlBase::LoadFile(file) )
+ {
+ // update the size limit if needed
+ AdjustSpaceLimit();
+
+ return TRUE;
+ }
+
+ return FALSE;
}
// ----------------------------------------------------------------------------
// Set selection and remove it
DoSetSelection(from, to, FALSE /* don't scroll caret into view */);
- SendMessage(GetHwnd(), EM_REPLACESEL,
-#ifdef __WIN32__
- TRUE,
-#else
- FALSE,
-#endif
- (LPARAM)value.c_str());
+ DoWriteText(value, TRUE /* selection only */);
}
void wxTextCtrl::Remove(long from, long to)
{
- Replace(from, to, _T(""));
+ Replace(from, to, wxEmptyString);
}
-bool wxTextCtrl::LoadFile(const wxString& file)
+bool wxTextCtrl::IsModified() const
{
- if ( wxTextCtrlBase::LoadFile(file) )
- {
- // update the size limit if needed
- AdjustSpaceLimit();
-
- return TRUE;
- }
-
- return FALSE;
+ return SendMessage(GetHwnd(), EM_GETMODIFY, 0, 0) != 0;
}
-bool wxTextCtrl::IsModified() const
+void wxTextCtrl::MarkDirty()
{
- return (SendMessage(GetHwnd(), EM_GETMODIFY, 0, 0) != 0);
+ SendMessage(GetHwnd(), EM_SETMODIFY, TRUE, 0L);
}
-// Makes 'unmodified'
void wxTextCtrl::DiscardEdits()
{
SendMessage(GetHwnd(), EM_SETMODIFY, FALSE, 0L);
return (int)SendMessage(GetHwnd(), EM_GETLINECOUNT, (WPARAM)0, (LPARAM)0);
}
+// ----------------------------------------------------------------------------
+// Positions <-> coords
+// ----------------------------------------------------------------------------
+
long wxTextCtrl::XYToPosition(long x, long y) const
{
- HWND hWnd = GetHwnd();
-
// This gets the char index for the _beginning_ of this line
- int charIndex = (int)SendMessage(hWnd, EM_LINEINDEX, (WPARAM)y, (LPARAM)0);
- return (long)(x + charIndex);
+ long charIndex = SendMessage(GetHwnd(), EM_LINEINDEX, (WPARAM)y, (LPARAM)0);
+
+ return charIndex + x;
}
bool wxTextCtrl::PositionToXY(long pos, long *x, long *y) const
HWND hWnd = GetHwnd();
// This gets the line number containing the character
- int lineNo;
+ long lineNo;
#if wxUSE_RICHEDIT
if ( IsRich() )
{
- lineNo = (int)SendMessage(hWnd, EM_EXLINEFROMCHAR, 0, (LPARAM)pos);
+ lineNo = SendMessage(hWnd, EM_EXLINEFROMCHAR, 0, (LPARAM)pos);
}
else
#endif // wxUSE_RICHEDIT
- lineNo = (int)SendMessage(hWnd, EM_LINEFROMCHAR, (WPARAM)pos, 0);
+ {
+ lineNo = SendMessage(hWnd, EM_LINEFROMCHAR, (WPARAM)pos, 0);
+ }
if ( lineNo == -1 )
{
}
// This gets the char index for the _beginning_ of this line
- int charIndex = (int)SendMessage(hWnd, EM_LINEINDEX, (WPARAM)lineNo, (LPARAM)0);
+ long charIndex = SendMessage(hWnd, EM_LINEINDEX, (WPARAM)lineNo, (LPARAM)0);
if ( charIndex == -1 )
{
return FALSE;
// The X position must therefore be the different between pos and charIndex
if ( x )
- *x = (long)(pos - charIndex);
+ *x = pos - charIndex;
if ( y )
- *y = (long)lineNo;
+ *y = lineNo;
return TRUE;
}
+wxTextCtrlHitTestResult
+wxTextCtrl::HitTest(const wxPoint& pt, wxTextCoord *col, wxTextCoord *row) const
+{
+ // first get the position from Windows
+ LPARAM lParam;
+
+#if wxUSE_RICHEDIT
+ POINTL ptl;
+ if ( IsRich() )
+ {
+ // for rich edit controls the position is passed iva the struct fields
+ ptl.x = pt.x;
+ ptl.y = pt.y;
+ lParam = (LPARAM)&ptl;
+ }
+ else
+#endif // wxUSE_RICHEDIT
+ {
+ // for the plain ones, we are limited to 16 bit positions which are
+ // combined in a single 32 bit value
+ lParam = MAKELPARAM(pt.x, pt.y);
+ }
+
+ LRESULT pos = SendMessage(GetHwnd(), EM_CHARFROMPOS, 0, lParam);
+
+ if ( pos == -1 )
+ {
+ // this seems to indicate an error...
+ return wxTE_HT_UNKNOWN;
+ }
+
+#if wxUSE_RICHEDIT
+ if ( !IsRich() )
+#endif // wxUSE_RICHEDIT
+ {
+ // for plain EDIT controls the higher word contains something else
+ pos = LOWORD(pos);
+ }
+
+
+ // next determine where it is relatively to our point: EM_CHARFROMPOS
+ // always returns the closest character but we need to be more precise, so
+ // double check that we really are where it pretends
+ POINTL ptReal;
+
+#if wxUSE_RICHEDIT
+ // FIXME: we need to distinguish between richedit 2 and 3 here somehow but
+ // we don't know how to do it
+ if ( IsRich() )
+ {
+ SendMessage(GetHwnd(), EM_POSFROMCHAR, (WPARAM)&ptReal, pos);
+ }
+ else
+#endif // wxUSE_RICHEDIT
+ {
+ LRESULT lRc = SendMessage(GetHwnd(), EM_POSFROMCHAR, pos, 0);
+
+ if ( lRc == -1 )
+ {
+ // this is apparently returned when pos corresponds to the last
+ // position
+ ptReal.x =
+ ptReal.y = 0;
+ }
+ else
+ {
+ ptReal.x = LOWORD(lRc);
+ ptReal.y = HIWORD(lRc);
+ }
+ }
+
+ wxTextCtrlHitTestResult rc;
+
+ if ( pt.y > ptReal.y + GetCharHeight() )
+ rc = wxTE_HT_BELOW;
+ else if ( pt.x > ptReal.x + GetCharWidth() )
+ rc = wxTE_HT_BEYOND;
+ else
+ rc = wxTE_HT_ON_TEXT;
+
+ // finally translate to column/row
+ if ( !PositionToXY(pos, col, row) )
+ {
+ wxFAIL_MSG( _T("PositionToXY() not expected to fail in HitTest()") );
+ }
+
+ return rc;
+}
+
+// ----------------------------------------------------------------------------
+//
+// ----------------------------------------------------------------------------
+
void wxTextCtrl::ShowPosition(long pos)
{
HWND hWnd = GetHwnd();
(void)SendMessage(hWnd, EM_LINESCROLL, (WPARAM)0, (LPARAM)linesToScroll);
}
+long wxTextCtrl::GetLengthOfLineContainingPos(long pos) const
+{
+ return ::SendMessage(GetHwnd(), EM_LINELENGTH, (WPARAM)pos, 0);
+}
+
int wxTextCtrl::GetLineLength(long lineNo) const
{
- long charIndex = XYToPosition(0, lineNo);
- int len = (int)SendMessage(GetHwnd(), EM_LINELENGTH, charIndex, 0);
- return len;
+ long pos = XYToPosition(0, lineNo);
+
+ return GetLengthOfLineContainingPos(pos);
}
wxString wxTextCtrl::GetLineText(long lineNo) const
// buffer
len += sizeof(WORD);
- wxString str;
- wxChar *buf = str.GetWriteBuf(len);
+ wxString str;
+ {
+ wxStringBufferLength tmp(str, len);
+ wxChar *buf = tmp;
+
+ *(WORD *)buf = (WORD)len;
+ len = (size_t)::SendMessage(GetHwnd(), EM_GETLINE, lineNo, (LPARAM)buf);
+
+#if wxUSE_RICHEDIT
+ if ( IsRich() )
+ {
+ // 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') )
+ {
+ buf[len - 2] = _T('\n');
+ len--;
+ }
+ }
+#endif // wxUSE_RICHEDIT
- *(WORD *)buf = (WORD)len;
- len = (size_t)::SendMessage(GetHwnd(), EM_GETLINE, lineNo, (LPARAM)buf);
- buf[len] = 0;
+ // 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') )
+ {
+ len--;
+ }
- str.UngetWriteBuf(len);
+ buf[len] = 0;
+ tmp.SetLength(len);
+ }
return str;
}
bool wxTextCtrl::CanUndo() const
{
- return (::SendMessage(GetHwnd(), EM_CANUNDO, 0, 0) != 0);
+ return ::SendMessage(GetHwnd(), EM_CANUNDO, 0, 0) != 0;
}
bool wxTextCtrl::CanRedo() const
{
- return (::SendMessage(GetHwnd(), EM_CANUNDO, 0, 0) != 0);
+ return ::SendMessage(GetHwnd(), EM_CANUNDO, 0, 0) != 0;
+}
+
+// ----------------------------------------------------------------------------
+// caret handling (Windows only)
+// ----------------------------------------------------------------------------
+
+bool wxTextCtrl::ShowNativeCaret(bool show)
+{
+ if ( show != m_isNativeCaretShown )
+ {
+ 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)
+ return false;
+ }
+
+ m_isNativeCaretShown = show;
+ }
+
+ return true;
}
// ----------------------------------------------------------------------------
// usual preprocessing for them
if ( msg->message == WM_KEYDOWN )
{
- WORD vkey = msg->wParam;
+ WORD vkey = (WORD) msg->wParam;
if ( (HIWORD(msg->lParam) & KF_ALTDOWN) == KF_ALTDOWN )
{
if ( vkey == VK_BACK )
}
else // no Alt
{
- if ( wxIsCtrlDown() )
- {
- switch ( vkey )
- {
- case 'C':
- case 'V':
- case 'X':
- case VK_INSERT:
- case VK_DELETE:
- case VK_HOME:
- case VK_END:
- return FALSE;
- }
- }
- else if ( wxIsShiftDown() )
+ // we want to process some Ctrl-foo and Shift-bar but no key
+ // combinations without either Ctrl or Shift nor with both of them
+ // pressed
+ const int ctrl = wxIsCtrlDown(),
+ shift = wxIsShiftDown();
+ switch ( ctrl + shift )
{
- if ( vkey == VK_INSERT || vkey == VK_DELETE )
- return FALSE;
+ default:
+ wxFAIL_MSG( _T("how many modifiers have we got?") );
+ // fall through
+
+ case 0:
+ case 2:
+ break;
+
+ case 1:
+ // either Ctrl or Shift pressed
+ if ( ctrl )
+ {
+ switch ( vkey )
+ {
+ case 'C':
+ case 'V':
+ case 'X':
+ case VK_INSERT:
+ case VK_DELETE:
+ case VK_HOME:
+ case VK_END:
+ return FALSE;
+ }
+ }
+ else // Shift is pressed
+ {
+ if ( vkey == VK_INSERT || vkey == VK_DELETE )
+ return FALSE;
+ }
}
}
}
void wxTextCtrl::OnChar(wxKeyEvent& event)
{
- switch ( event.KeyCode() )
+ switch ( event.GetKeyCode() )
{
case WXK_RETURN:
- if ( !(m_windowStyle & wxTE_MULTILINE) )
+ if ( !HasFlag(wxTE_MULTILINE) )
{
wxCommandEvent event(wxEVT_COMMAND_TEXT_ENTER, m_windowId);
InitCommandEvent(event);
break;
case WXK_TAB:
- // always produce navigation event - even if we process TAB
+ // always produce navigation event -- even if we process TAB
// ourselves the fact that we got here means that the user code
- // decided to skip processing of this TAB - probably to let it
+ // decided to skip processing of this TAB -- probably to let it
// do its default job.
+
+ // ok, so this is getting absolutely ridiculous but I don't see
+ // any other way to fix this bug: when a multiline text control is
+ // inside a wxFrame, we need to generate the navigation event as
+ // otherwise nothing happens at all, but when the same control is
+ // created inside a dialog, IsDialogMessage() *does* switch focus
+ // all by itself and so if we do it here as well, it is advanced
+ // twice and goes to the next control... to prevent this from
+ // happening we're doing this ugly check, the logic being that if
+ // we don't have focus then it had been already changed to the next
+ // control
+ //
+ // the right thing to do would, of course, be to understand what
+ // the hell is IsDialogMessage() doing but this is beyond my feeble
+ // forces at the moment unfortunately
+ if ( FindFocus() == this )
{
wxNavigationKeyEvent eventNav;
eventNav.SetDirection(!event.ShiftDown());
event.Skip();
}
+WXLRESULT wxTextCtrl::MSWWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lParam)
+{
+ WXLRESULT lRc = wxTextCtrlBase::MSWWindowProc(nMsg, wParam, lParam);
+
+ if ( nMsg == 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 <Return> 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;
+ }
+ }
+
+ return lRc;
+}
+
+// ----------------------------------------------------------------------------
+// text control event processing
+// ----------------------------------------------------------------------------
+
+bool wxTextCtrl::SendUpdateEvent()
+{
+ // is event reporting suspended?
+ if ( m_suppressNextUpdate )
+ {
+ // do process the next one
+ m_suppressNextUpdate = FALSE;
+
+ return FALSE;
+ }
+
+ wxCommandEvent event(wxEVT_COMMAND_TEXT_UPDATED, GetId());
+ InitCommandEvent(event);
+ event.SetString(GetValue());
+
+ return ProcessCommand(event);
+}
+
bool wxTextCtrl::MSWCommand(WXUINT param, WXWORD WXUNUSED(id))
{
- switch (param)
+ switch ( param )
{
case EN_SETFOCUS:
case EN_KILLFOCUS:
wxFocusEvent event(param == EN_KILLFOCUS ? wxEVT_KILL_FOCUS
: wxEVT_SET_FOCUS,
m_windowId);
- event.SetEventObject( this );
+ event.SetEventObject(this);
GetEventHandler()->ProcessEvent(event);
}
break;
case EN_CHANGE:
- {
- wxCommandEvent event(wxEVT_COMMAND_TEXT_UPDATED, m_windowId);
- InitCommandEvent(event);
- event.SetString(GetValue());
- ProcessCommand(event);
- }
+ SendUpdateEvent();
break;
case EN_MAXTEXT:
- // the text size limit has been hit - increase it
+ // the text size limit has been hit -- try to increase it
if ( !AdjustSpaceLimit() )
{
wxCommandEvent event(wxEVT_COMMAND_TEXT_MAXLEN, m_windowId);
}
break;
- // the other notification messages are not processed
- case EN_UPDATE:
- case EN_ERRSPACE:
- case EN_HSCROLL:
- case EN_VSCROLL:
- return FALSE;
+ // the other edit notification messages are not processed
default:
return FALSE;
}
#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);
+ colBack = wxSystemSettings::GetColour(wxSYS_COLOUR_3DFACE);
::SetBkColor(hdc, wxColourToRGB(colBack));
::SetTextColor(hdc, wxColourToRGB(GetForegroundColour()));
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 // Win16
-
bool wxTextCtrl::AdjustSpaceLimit()
{
-#ifndef __WIN16__
unsigned int limit = ::SendMessage(GetHwnd(), EM_GETLIMITTEXT, 0, 0);
// HACK: we try to automatically extend the limit for the amount of text
::SendMessage(GetHwnd(), EM_LIMITTEXT, limit, 0);
}
}
-#endif // !Win16
// we changed the limit
return TRUE;
bool wxTextCtrl::AcceptsFocus() const
{
- // we don't want focus if we can't be edited
- return IsEditable() && wxControl::AcceptsFocus();
+ // 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
+ // to be able to scroll it without mouse
+ return (IsEditable() || IsMultiLine()) && wxControl::AcceptsFocus();
}
wxSize wxTextCtrl::DoGetBestSize() const
int wText = DEFAULT_ITEM_WIDTH;
- int hText = EDIT_HEIGHT_FROM_CHAR_HEIGHT(cy);
+ int hText = cy;
if ( m_windowStyle & wxTE_MULTILINE )
{
hText *= wxMax(GetNumberOfLines(), 5);
}
//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;
+
return wxSize(wText, hText);
}
Redo();
}
+void wxTextCtrl::OnDelete(wxCommandEvent& WXUNUSED(event))
+{
+ long from, to;
+ GetSelection(& from, & to);
+ if (from != -1 && to != -1)
+ Remove(from, to);
+}
+
+void wxTextCtrl::OnSelectAll(wxCommandEvent& WXUNUSED(event))
+{
+ SetSelection(-1, -1);
+}
+
void wxTextCtrl::OnUpdateCut(wxUpdateUIEvent& event)
{
event.Enable( CanCut() );
event.Enable( CanRedo() );
}
+void wxTextCtrl::OnUpdateDelete(wxUpdateUIEvent& event)
+{
+ long from, to;
+ GetSelection(& from, & to);
+ event.Enable(from != -1 && to != -1 && from != to && IsEditable()) ;
+}
+
+void wxTextCtrl::OnUpdateSelectAll(wxUpdateUIEvent& event)
+{
+ event.Enable(GetLastPosition() > 0);
+}
+
+void wxTextCtrl::OnRightClick(wxMouseEvent& event)
+{
+#if wxUSE_RICHEDIT
+ if (IsRich())
+ {
+ if (!m_privateContextMenu)
+ {
+ m_privateContextMenu = new wxMenu;
+ m_privateContextMenu->Append(wxID_UNDO, _("&Undo"));
+ m_privateContextMenu->Append(wxID_REDO, _("&Redo"));
+ m_privateContextMenu->AppendSeparator();
+ m_privateContextMenu->Append(wxID_CUT, _("Cu&t"));
+ m_privateContextMenu->Append(wxID_COPY, _("&Copy"));
+ m_privateContextMenu->Append(wxID_PASTE, _("&Paste"));
+ m_privateContextMenu->Append(wxID_CLEAR, _("&Delete"));
+ m_privateContextMenu->AppendSeparator();
+ m_privateContextMenu->Append(wxID_SELECTALL, _("Select &All"));
+ }
+ PopupMenu(m_privateContextMenu, event.GetPosition());
+ return;
+ }
+ else
+#endif
+ event.Skip();
+}
+
+void wxTextCtrl::OnSetFocus(wxFocusEvent& WXUNUSED(event))
+{
+ // be sure the caret remains invisible if the user had hidden it
+ if ( !m_isNativeCaretShown )
+ {
+ ::HideCaret(GetHwnd());
+ }
+}
+
// the rest of the file only deals with the rich edit controls
#if wxUSE_RICHEDIT
bool wxTextCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result)
{
NMHDR *hdr = (NMHDR* )lParam;
- if ( hdr->code == EN_LINK )
+ switch ( hdr->code )
{
- ENLINK *enlink = (ENLINK *)hdr;
-
- switch ( enlink->msg )
- {
- case WM_SETCURSOR:
- // ok, so it is hardcoded - do we really nee to customize it?
- ::SetCursor(GetHcursorOf(wxCursor(wxCURSOR_HAND)));
- *result = TRUE;
- break;
-
- case WM_MOUSEMOVE:
- case WM_LBUTTONDOWN:
- case WM_LBUTTONUP:
- case WM_LBUTTONDBLCLK:
- case WM_RBUTTONDOWN:
- case WM_RBUTTONUP:
- case WM_RBUTTONDBLCLK:
- // send a mouse event
+ case EN_MSGFILTER:
+ {
+ const MSGFILTER *msgf = (MSGFILTER *)lParam;
+ UINT msg = msgf->msg;
+
+ // this is a bit crazy but richedit 1.0 sends us all mouse
+ // events _except_ WM_LBUTTONUP (don't ask me why) so we have
+ // generate the wxWin events for this message manually
+ //
+ // NB: in fact, this is still not totally correct as it does
+ // send us WM_LBUTTONUP if the selection was cleared by the
+ // last click -- so currently we get 2 events in this case,
+ // but as I don't see any obvious way to check for this I
+ // leave this code in place because it's still better than
+ // not getting left up events at all
+ if ( msg == WM_LBUTTONUP )
{
- static const wxEventType eventsMouse[] =
- {
- wxEVT_MOTION,
- wxEVT_LEFT_DOWN,
- wxEVT_LEFT_UP,
- wxEVT_LEFT_DCLICK,
- wxEVT_RIGHT_DOWN,
- wxEVT_RIGHT_UP,
- wxEVT_RIGHT_DCLICK,
- };
-
- // the event ids are consecutive
- wxMouseEvent
- evtMouse(eventsMouse[enlink->msg - WM_MOUSEMOVE]);
-
- InitMouseEvent(evtMouse,
- GET_X_LPARAM(enlink->lParam),
- GET_Y_LPARAM(enlink->lParam),
- enlink->wParam);
-
- wxTextUrlEvent event(m_windowId, evtMouse,
- enlink->chrg.cpMin,
- enlink->chrg.cpMax);
-
- InitCommandEvent(event);
-
- *result = ProcessCommand(event);
+ WXUINT flags = msgf->wParam;
+ int x = GET_X_LPARAM(msgf->lParam),
+ y = GET_Y_LPARAM(msgf->lParam);
+
+ HandleMouseEvent(msg, x, y, flags);
}
- break;
- }
+ }
- return TRUE;
+ // return TRUE to process the event (and FALSE to ignore it)
+ return TRUE;
+
+ case EN_LINK:
+ {
+ const ENLINK *enlink = (ENLINK *)hdr;
+
+ switch ( enlink->msg )
+ {
+ case WM_SETCURSOR:
+ // ok, so it is hardcoded - do we really nee to
+ // customize it?
+ ::SetCursor(GetHcursorOf(wxCursor(wxCURSOR_HAND)));
+ *result = TRUE;
+ break;
+
+ case WM_MOUSEMOVE:
+ case WM_LBUTTONDOWN:
+ case WM_LBUTTONUP:
+ case WM_LBUTTONDBLCLK:
+ case WM_RBUTTONDOWN:
+ case WM_RBUTTONUP:
+ case WM_RBUTTONDBLCLK:
+ // send a mouse event
+ {
+ static const wxEventType eventsMouse[] =
+ {
+ wxEVT_MOTION,
+ wxEVT_LEFT_DOWN,
+ wxEVT_LEFT_UP,
+ wxEVT_LEFT_DCLICK,
+ wxEVT_RIGHT_DOWN,
+ wxEVT_RIGHT_UP,
+ wxEVT_RIGHT_DCLICK,
+ };
+
+ // the event ids are consecutive
+ wxMouseEvent
+ evtMouse(eventsMouse[enlink->msg - WM_MOUSEMOVE]);
+
+ InitMouseEvent(evtMouse,
+ GET_X_LPARAM(enlink->lParam),
+ GET_Y_LPARAM(enlink->lParam),
+ enlink->wParam);
+
+ wxTextUrlEvent event(m_windowId, evtMouse,
+ enlink->chrg.cpMin,
+ enlink->chrg.cpMax);
+
+ InitCommandEvent(event);
+
+ *result = ProcessCommand(event);
+ }
+ break;
+ }
+ }
+ return TRUE;
}
- // not processed
- return FALSE;
+ // not processed, leave it to the base class
+ return wxTextCtrlBase::MSWOnNotify(idCtrl, lParam, result);
}
// ----------------------------------------------------------------------------
// colour setting for the rich edit controls
// ----------------------------------------------------------------------------
-// Watcom C++ doesn't define this
-#ifndef SCF_ALL
-#define SCF_ALL 0x0004
-#endif
-
bool wxTextCtrl::SetBackgroundColour(const wxColour& colour)
{
if ( !wxTextCtrlBase::SetBackgroundColour(colour) )
// styling support for rich edit controls
// ----------------------------------------------------------------------------
+#if wxUSE_RICHEDIT
+
bool wxTextCtrl::SetStyle(long start, long end, const wxTextAttr& style)
{
if ( !IsRich() )
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 ( wxRichEditModule::GetLoadedVersion() < 2 &&
- !style.HasFont() && !style.HasTextColour() )
+ // 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
#else
CHARFORMAT cf;
#endif
+
wxZeroMemory(cf);
- cf.cbSize = sizeof(cf);
+
+ // we can't use CHARFORMAT2 with RichEdit 1.0, so pretend it is a simple
+ // CHARFORMAT in that case
+#if wxUSE_RICHEDIT2
+ if ( m_verRichEdit == 1 )
+ {
+ // this is the only thing the control is going to grok
+ cf.cbSize = sizeof(CHARFORMAT);
+ }
+ else
+#endif
+ {
+ // CHARFORMAT or CHARFORMAT2
+ cf.cbSize = sizeof(cf);
+ }
if ( style.HasFont() )
{
}
#if wxUSE_RICHEDIT2
- if ( wxRichEditModule::GetLoadedVersion() > 1 && style.HasBackgroundColour() )
+ if ( m_verRichEdit != 1 && style.HasBackgroundColour() )
{
cf.dwMask |= CFM_BACKCOLOR;
cf.crBackColor = wxColourToRGB(style.GetBackgroundColour());
wxLogDebug(_T("SendMessage(EM_SETCHARFORMAT, SCF_SELECTION) failed"));
}
+ // now do the paragraph formatting
+ PARAFORMAT2 pf;
+ wxZeroMemory(pf);
+ // we can't use PARAFORMAT2 with RichEdit 1.0, so pretend it is a simple
+ // PARAFORMAT in that case
+#if wxUSE_RICHEDIT2
+ if ( m_verRichEdit == 1 )
+ {
+ // this is the only thing the control is going to grok
+ pf.cbSize = sizeof(PARAFORMAT);
+ }
+ else
+#endif
+ {
+ // PARAFORMAT or PARAFORMAT2
+ pf.cbSize = sizeof(pf);
+ }
+
+ if (style.HasAlignment())
+ {
+ pf.dwMask |= PFM_ALIGNMENT;
+ if (style.GetAlignment() == wxTEXT_ALIGNMENT_RIGHT)
+ pf.wAlignment = PFA_RIGHT;
+ else if (style.GetAlignment() == wxTEXT_ALIGNMENT_CENTRE)
+ pf.wAlignment = PFA_CENTER;
+ else if (style.GetAlignment() == wxTEXT_ALIGNMENT_JUSTIFIED)
+ pf.wAlignment = PFA_JUSTIFY;
+ else
+ pf.wAlignment = PFA_LEFT;
+ }
+
+ if (style.HasLeftIndent())
+ {
+ pf.dwMask |= PFM_STARTINDENT;
+
+ // Convert from 1/10 mm to TWIPS
+ pf.dxStartIndent = (int) (((double) style.GetLeftIndent()) * mm2twips / 10.0) ;
+
+ // TODO: do we need to specify dxOffset?
+ }
+
+ if (style.HasRightIndent())
+ {
+ pf.dwMask |= PFM_RIGHTINDENT;
+
+ // Convert from 1/10 mm to TWIPS
+ pf.dxRightIndent = (int) (((double) style.GetRightIndent()) * mm2twips / 10.0) ;
+ }
+
+ if (style.HasTabs())
+ {
+ pf.dwMask |= PFM_TABSTOPS;
+
+ const wxArrayInt& tabs = style.GetTabs();
+
+ pf.cTabCount = wxMin(tabs.GetCount(), MAX_TAB_STOPS);
+ size_t i;
+ for (i = 0; i < (size_t) pf.cTabCount; i++)
+ {
+ // Convert from 1/10 mm to TWIPS
+ pf.rgxTabs[i] = (int) (((double) tabs[i]) * mm2twips / 10.0) ;
+ }
+ }
+
+ if (pf.dwMask != 0)
+ {
+ // do format the selection
+ bool ok = ::SendMessage(GetHwnd(), EM_SETPARAFORMAT,
+ 0, (LPARAM) &pf) != 0;
+ if ( !ok )
+ {
+ wxLogDebug(_T("SendMessage(EM_SETPARAFORMAT, 0) failed"));
+ }
+ }
+
if ( changeSel )
{
// restore the original selection
return ok;
}
+bool wxTextCtrl::SetDefaultStyle(const wxTextAttr& style)
+{
+ if ( !wxTextCtrlBase::SetDefaultStyle(style) )
+ return FALSE;
+
+ // we have to do this or the style wouldn't apply for the text typed by the
+ // user
+ long posLast = GetLastPosition();
+ SetStyle(posLast, posLast, m_defaultStyle);
+
+ return TRUE;
+}
+
+bool wxTextCtrl::GetStyle(long position, wxTextAttr& style)
+{
+ if ( !IsRich() )
+ {
+ // can't do it with normal text control
+ return FALSE;
+ }
+
+ // initialize CHARFORMAT struct
+#if wxUSE_RICHEDIT2
+ CHARFORMAT2 cf;
+#else
+ CHARFORMAT cf;
+#endif
+
+ wxZeroMemory(cf);
+
+ // we can't use CHARFORMAT2 with RichEdit 1.0, so pretend it is a simple
+ // CHARFORMAT in that case
+#if wxUSE_RICHEDIT2
+ if ( m_verRichEdit == 1 )
+ {
+ // this is the only thing the control is going to grok
+ cf.cbSize = sizeof(CHARFORMAT);
+ }
+ else
+#endif
+ {
+ // CHARFORMAT or CHARFORMAT2
+ cf.cbSize = sizeof(cf);
+ }
+ // 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 = position != startOld || position != endOld;
+
+ if ( changeSel )
+ {
+ DoSetSelection(position, position, FALSE /* don't scroll caret into view */);
+ }
+
+ // get the selection formatting
+ (void) ::SendMessage(GetHwnd(), EM_GETCHARFORMAT,
+ SCF_SELECTION, (LPARAM)&cf) ;
+
+ LOGFONT lf;
+ lf.lfHeight = cf.yHeight;
+ lf.lfWidth = 0;
+ lf.lfCharSet = ANSI_CHARSET; // FIXME: how to get correct charset?
+ lf.lfClipPrecision = 0;
+ lf.lfEscapement = 0;
+ wxStrcpy(lf.lfFaceName, cf.szFaceName);
+ if (cf.dwEffects & CFE_ITALIC)
+ lf.lfItalic = TRUE;
+ lf.lfOrientation = 0;
+ lf.lfPitchAndFamily = cf.bPitchAndFamily;
+ lf.lfQuality = 0;
+ if (cf.dwEffects & CFE_STRIKEOUT)
+ lf.lfStrikeOut = TRUE;
+ if (cf.dwEffects & CFE_UNDERLINE)
+ lf.lfUnderline = TRUE;
+ if (cf.dwEffects & CFE_BOLD)
+ lf.lfWeight = FW_BOLD;
+
+ wxFont font = wxCreateFontFromLogFont(& lf);
+ if (font.Ok())
+ {
+ style.SetFont(font);
+ }
+ style.SetTextColour(wxColour(cf.crTextColor));
+
+#if wxUSE_RICHEDIT2
+ if ( m_verRichEdit != 1 )
+ {
+ // cf.dwMask |= CFM_BACKCOLOR;
+ style.SetBackgroundColour(wxColour(cf.crBackColor));
+ }
+#endif // wxUSE_RICHEDIT2
+
+ // now get the paragraph formatting
+ PARAFORMAT2 pf;
+ wxZeroMemory(pf);
+ // we can't use PARAFORMAT2 with RichEdit 1.0, so pretend it is a simple
+ // PARAFORMAT in that case
+#if wxUSE_RICHEDIT2
+ if ( m_verRichEdit == 1 )
+ {
+ // this is the only thing the control is going to grok
+ pf.cbSize = sizeof(PARAFORMAT);
+ }
+ else
+#endif
+ {
+ // PARAFORMAT or PARAFORMAT2
+ pf.cbSize = sizeof(pf);
+ }
+
+ // do format the selection
+ (void) ::SendMessage(GetHwnd(), EM_GETPARAFORMAT, 0, (LPARAM) &pf) ;
+
+ style.SetLeftIndent( (int) ((double) pf.dxStartIndent * twips2mm * 10.0) );
+ style.SetRightIndent( (int) ((double) pf.dxRightIndent * twips2mm * 10.0) );
+
+ if (pf.wAlignment == PFA_CENTER)
+ style.SetAlignment(wxTEXT_ALIGNMENT_CENTRE);
+ else if (pf.wAlignment == PFA_RIGHT)
+ style.SetAlignment(wxTEXT_ALIGNMENT_RIGHT);
+ else if (pf.wAlignment == PFA_JUSTIFY)
+ style.SetAlignment(wxTEXT_ALIGNMENT_JUSTIFIED);
+ else
+ style.SetAlignment(wxTEXT_ALIGNMENT_LEFT);
+
+ wxArrayInt tabStops;
+ size_t i;
+ for (i = 0; i < (size_t) pf.cTabCount; i++)
+ {
+ tabStops[i] = (int) ((double) (pf.rgxTabs[i] & 0xFFFF) * twips2mm * 10.0) ;
+ }
+
+ if ( changeSel )
+ {
+ // restore the original selection
+ DoSetSelection(startOld, endOld, FALSE);
+ }
+
+ return TRUE;
+}
+
+#endif
+
// ----------------------------------------------------------------------------
// wxRichEditModule
// ----------------------------------------------------------------------------
void wxRichEditModule::OnExit()
{
- if ( ms_hRichEdit )
+ for ( size_t i = 0; i < WXSIZEOF(ms_hRichEdit); i++ )
{
- FreeLibrary(ms_hRichEdit);
+ if ( ms_hRichEdit[i] )
+ {
+ ::FreeLibrary(ms_hRichEdit[i]);
+ ms_hRichEdit[i] = NULL;
+ }
}
}
/* static */
bool wxRichEditModule::Load(int version)
{
- wxCHECK_MSG( version >= 1 && version <= 3, FALSE,
+ // we don't support loading richedit 3.0 as I don't know how to distinguish
+ // it from 2.0 anyhow
+ wxCHECK_MSG( version == 1 || version == 2, FALSE,
_T("incorrect richedit control version requested") );
- if ( version <= ms_verRichEdit )
+ // make it the index in the array
+ version--;
+
+ if ( ms_hRichEdit[version] == (HINSTANCE)-1 )
{
- // we've already got this or better
- return TRUE;
+ // we had already tried to load it and failed
+ return FALSE;
}
- if ( ms_hRichEdit )
+ if ( ms_hRichEdit[version] )
{
- ::FreeLibrary(ms_hRichEdit);
+ // we've already got this one
+ return TRUE;
}
- // always try load riched20.dll first - like this we won't have to reload
- // it later if we're first asked for RE 1 and then for RE 2 or 3
- wxString dllname = _T("riched20.dll");
- ms_hRichEdit = ::LoadLibrary(dllname);
- ms_verRichEdit = 2; // no way to tell if it's 2 or 3, assume 2
+ wxString dllname = version ? _T("riched20") : _T("riched32");
+ dllname += _T(".dll");
- if ( !ms_hRichEdit && (version == 1) )
- {
- // fall back to RE 1
- dllname = _T("riched32.dll");
- ms_hRichEdit = ::LoadLibrary(dllname);
- ms_verRichEdit = 1;
- }
+ ms_hRichEdit[version] = ::LoadLibrary(dllname);
- if ( !ms_hRichEdit )
+ if ( !ms_hRichEdit[version] )
{
wxLogSysError(_("Could not load Rich Edit DLL '%s'"), dllname.c_str());
- ms_verRichEdit = -1;
+ ms_hRichEdit[version] = (HINSTANCE)-1;
return FALSE;
}
projects / wxWidgets.git / blobdiff