/////////////////////////////////////////////////////////////////////////////
-// Name: msw/textctrl.cpp
+// Name: src/msw/textctrl.cpp
// Purpose: wxTextCtrl
// Author: Julian Smart
// Modified by:
// declarations
// ============================================================================
-#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
- #pragma implementation "textctrl.h"
-#endif
-
// ----------------------------------------------------------------------------
// headers
// ----------------------------------------------------------------------------
#include "wx/log.h"
#include "wx/app.h"
#include "wx/menu.h"
+ #include "wx/math.h"
+ #include "wx/module.h"
+ #include "wx/wxcrtvararg.h"
#endif
-#include "wx/module.h"
+#include "wx/sysopt.h"
#if wxUSE_CLIPBOARD
#include "wx/clipbrd.h"
#include "wx/msw/private.h"
#include "wx/msw/winundef.h"
+#include "wx/msw/mslu.h"
#include <string.h>
#include <stdlib.h>
#if wxUSE_RICHEDIT
+#if wxUSE_INKEDIT
+#include "wx/dynlib.h"
+#endif
+
// 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
+#endif // wxUSE_RICHEDIT
+
#include "wx/msw/missing.h"
-#endif // wxUSE_RICHEDIT
+#if wxUSE_DRAG_AND_DROP && wxUSE_RICHEDIT
+
+// dummy value used for m_dropTarget, different from any valid pointer value
+// (which are all even under Windows) and NULL
+static wxDropTarget *
+ wxRICHTEXT_DEFAULT_DROPTARGET = reinterpret_cast<wxDropTarget *>(1);
+
+#endif // wxUSE_DRAG_AND_DROP && wxUSE_RICHEDIT
// ----------------------------------------------------------------------------
// private classes
class wxRichEditModule : public wxModule
{
public:
+ enum Version
+ {
+ Version_1, // riched32.dll
+ Version_2or3, // both use riched20.dll
+ Version_41, // msftedit.dll (XP SP1 and Windows 2003)
+ Version_Max
+ };
+
virtual bool OnInit();
virtual void OnExit();
- // load the richedit DLL of at least of required version
- static bool Load(int version = 1);
+ // load the richedit DLL for the specified version of rich edit
+ static bool Load(Version version);
+
+#if wxUSE_INKEDIT
+ // load the InkEdit library
+ static bool LoadInkEdit();
+#endif
private:
// the handles to richedit 1.0 and 2.0 (or 3.0) DLLs
- static HINSTANCE ms_hRichEdit[2];
+ static HINSTANCE ms_hRichEdit[Version_Max];
+
+#if wxUSE_INKEDIT
+ static wxDynamicLibrary ms_inkEditLib;
+ static bool ms_inkEditLibLoadAttemped;
+#endif
DECLARE_DYNAMIC_CLASS(wxRichEditModule)
};
-HINSTANCE wxRichEditModule::ms_hRichEdit[2] = { NULL, NULL };
+HINSTANCE wxRichEditModule::ms_hRichEdit[Version_Max] = { NULL, NULL, NULL };
+
+#if wxUSE_INKEDIT
+wxDynamicLibrary wxRichEditModule::ms_inkEditLib;
+bool wxRichEditModule::ms_inkEditLibLoadAttemped = false;
+#endif
IMPLEMENT_DYNAMIC_CLASS(wxRichEditModule, wxModule)
#endif // wxUSE_RICHEDIT
+// a small class used to set m_updatesCount to 0 (to filter duplicate events if
+// necessary) and to reset it back to -1 afterwards
+class UpdatesCountFilter
+{
+public:
+ UpdatesCountFilter(int& count)
+ : m_count(count)
+ {
+ wxASSERT_MSG( m_count == -1 || m_count == -2,
+ wxT("wrong initial m_updatesCount value") );
+
+ if (m_count != -2)
+ m_count = 0;
+ //else: we don't want to count how many update events we get as we're going
+ // to ignore all of them
+ }
+
+ ~UpdatesCountFilter()
+ {
+ m_count = -1;
+ }
+
+ // return true if an event has been received
+ bool GotUpdate() const
+ {
+ return m_count == 1;
+ }
+
+private:
+ int& m_count;
+
+ wxDECLARE_NO_COPY_CLASS(UpdatesCountFilter);
+};
+
// ----------------------------------------------------------------------------
// event tables and other macros
// ----------------------------------------------------------------------------
wxFLAGS_MEMBER(wxTE_CENTRE)
wxFLAGS_MEMBER(wxTE_RIGHT)
wxFLAGS_MEMBER(wxTE_DONTWRAP)
- wxFLAGS_MEMBER(wxTE_LINEWRAP)
+ wxFLAGS_MEMBER(wxTE_CHARWRAP)
wxFLAGS_MEMBER(wxTE_WORDWRAP)
wxEND_FLAGS( wxTextCtrlStyle )
wxCONSTRUCTOR_6( wxTextCtrl , wxWindow* , Parent , wxWindowID , Id , wxString , Value , wxPoint , Position , wxSize , Size , long , WindowStyle)
#else
-IMPLEMENT_DYNAMIC_CLASS(wxTextCtrl, wxControl)
+IMPLEMENT_DYNAMIC_CLASS(wxTextCtrl, wxTextCtrlBase)
#endif
-BEGIN_EVENT_TABLE(wxTextCtrl, wxControl)
+BEGIN_EVENT_TABLE(wxTextCtrl, wxTextCtrlBase)
EVT_CHAR(wxTextCtrl::OnChar)
+ EVT_KEY_DOWN(wxTextCtrl::OnKeyDown)
EVT_DROP_FILES(wxTextCtrl::OnDropFiles)
#if wxUSE_RICHEDIT
- EVT_RIGHT_UP(wxTextCtrl::OnRightClick)
+ EVT_CONTEXT_MENU(wxTextCtrl::OnContextMenu)
#endif
EVT_MENU(wxID_CUT, wxTextCtrl::OnCut)
m_verRichEdit = 0;
#endif // wxUSE_RICHEDIT
+#if wxUSE_INKEDIT && wxUSE_RICHEDIT
+ m_isInkEdit = 0;
+#endif
+
m_privateContextMenu = NULL;
- m_suppressNextUpdate = false;
+ m_updatesCount = -1;
m_isNativeCaretShown = true;
}
wxTextCtrl::~wxTextCtrl()
{
- if (m_privateContextMenu)
+#if wxUSE_DRAG_AND_DROP && wxUSE_RICHEDIT
+ if ( m_dropTarget == wxRICHTEXT_DEFAULT_DROPTARGET )
{
- delete m_privateContextMenu;
- m_privateContextMenu = NULL;
+ // don't try to destroy this dummy pointer in the base class dtor
+ m_dropTarget = NULL;
}
+#endif // wxUSE_DRAG_AND_DROP && wxUSE_RICHEDIT
+
+ delete m_privateContextMenu;
}
-bool wxTextCtrl::Create(wxWindow *parent, wxWindowID id,
+bool wxTextCtrl::Create(wxWindow *parent,
+ wxWindowID id,
const wxString& value,
const wxPoint& pos,
const wxSize& size,
const wxValidator& validator,
const wxString& name)
{
-#ifdef __WXWINCE__
- if ((style & wxBORDER_MASK) == 0)
- style |= wxBORDER_SIMPLE;
-#endif
-
// base initialization
if ( !CreateControl(parent, id, pos, size, style, validator, name) )
return false;
+ if ( !MSWCreateText(value, pos, size) )
+ return false;
+
+#if wxUSE_DRAG_AND_DROP && wxUSE_RICHEDIT
+ if ( IsRich() )
+ {
+ // rich text controls have a default associated drop target which
+ // allows them to receive (rich) text dropped on them, which is nice,
+ // but prevents us from associating a user-defined drop target with
+ // them as we need to unregister the old one first
+ //
+ // to make it work, we set m_dropTarget to this special value initially
+ // and check for it in our SetDropTarget()
+ m_dropTarget = wxRICHTEXT_DEFAULT_DROPTARGET;
+ }
+#endif // wxUSE_DRAG_AND_DROP && wxUSE_RICHEDIT
+
+ return true;
+}
+
+// returns true if the platform should explicitly apply a theme border
+bool wxTextCtrl::CanApplyThemeBorder() const
+{
+#ifdef __WXWINCE__
+ return false;
+#else
+ // Standard text control already handles theming
+ return ((GetWindowStyle() & (wxTE_RICH|wxTE_RICH2)) != 0);
+#endif
+}
+
+bool wxTextCtrl::MSWCreateText(const wxString& value,
+ const wxPoint& pos,
+ const wxSize& size)
+{
// translate wxWin style flags to MSW ones
WXDWORD msStyle = MSWGetCreateWindowFlags();
// do create the control - either an EDIT or RICHEDIT
wxString windowClass = wxT("EDIT");
+#if defined(__POCKETPC__) || defined(__SMARTPHONE__)
+ // A control that capitalizes the first letter
+ if ( HasFlag(wxTE_CAPITALIZE) )
+ windowClass = wxT("CAPEDIT");
+#endif
+
#if wxUSE_RICHEDIT
if ( m_windowStyle & wxTE_AUTO_URL )
{
// 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
-
- // 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
+ // versions 2.0, 3.0 and 4.1 of rich edit are mostly compatible with
+ // each other but not with version 1.0, so we have separate flags for
+ // the version 1.0 and the others (and so m_verRichEdit may be 0 (plain
+ // EDIT control), 1 for version 1.0 or 2 for any higher version)
//
- // 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)
+ // notice that 1.0 has no Unicode support at all so in Unicode build we
+ // must use another version
+
#if wxUSE_UNICODE
- const int verRichEdit = 2;
+ m_verRichEdit = 2;
#else // !wxUSE_UNICODE
- int verRichEdit = m_windowStyle & wxTE_RICH2 ? 2 : 1;
+ m_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 )
+#if wxUSE_INKEDIT
+ // First test if we can load an ink edit control. Normally, all edit
+ // controls will be made ink edit controls if a tablet environment is
+ // found (or if msw.inkedit != 0 and the InkEd.dll is present).
+ // However, an application can veto ink edit controls by either specifying
+ // msw.inkedit = 0 or by removing wxTE_RICH[2] from the style.
+ //
+ if ((wxSystemSettings::HasFeature(wxSYS_TABLET_PRESENT) || wxSystemOptions::GetOptionInt(wxT("msw.inkedit")) != 0) &&
+ !(wxSystemOptions::HasOption(wxT("msw.inkedit")) && wxSystemOptions::GetOptionInt(wxT("msw.inkedit")) == 0))
{
- // try to load the RichEdit DLL (will do nothing if already done)
- if ( !wxRichEditModule::Load(verRichEdit) )
+ if (wxRichEditModule::LoadInkEdit())
{
-#if !wxUSE_UNICODE
- // try another version?
- verRichEdit = 3 - verRichEdit; // 1 <-> 2
+ windowClass = INKEDIT_CLASS;
- if ( !wxRichEditModule::Load(verRichEdit) )
-#endif // wxUSE_UNICODE
- {
- wxLogError(_("Impossible to create a rich edit control, using simple text control instead. Please reinstall riched32.dll"));
+#if wxUSE_INKEDIT && wxUSE_RICHEDIT
+ m_isInkEdit = 1;
+#endif
- s_errorGiven = true;
- }
+ // Fake rich text version for other calls
+ m_verRichEdit = 2;
}
}
+#endif
- // have we managed to load any richedit version?
- if ( !s_errorGiven )
+#if wxUSE_INKEDIT
+ if (!IsInkEdit())
+#endif // wxUSE_INKEDIT
{
- m_verRichEdit = verRichEdit;
- if ( m_verRichEdit == 1 )
- {
- windowClass = wxT("RICHEDIT");
- }
- else
+ if ( m_verRichEdit == 2 )
{
-#ifndef RICHEDIT_CLASS
- wxString RICHEDIT_CLASS;
- RICHEDIT_CLASS.Printf(_T("RichEdit%d0"), m_verRichEdit);
+ if ( wxRichEditModule::Load(wxRichEditModule::Version_41) )
+ {
+ // yes, class name for version 4.1 really is 5.0
+ windowClass = wxT("RICHEDIT50W");
+ }
+ else if ( wxRichEditModule::Load(wxRichEditModule::Version_2or3) )
+ {
+ windowClass = wxT("RichEdit20")
#if wxUSE_UNICODE
- RICHEDIT_CLASS += _T('W');
+ wxT("W");
#else // ANSI
- RICHEDIT_CLASS += _T('A');
+ wxT("A");
#endif // Unicode/ANSI
-#endif // !RICHEDIT_CLASS
+ }
+ else // failed to load msftedit.dll and riched20.dll
+ {
+ m_verRichEdit = 1;
+ }
+ }
+
+ if ( m_verRichEdit == 1 )
+ {
+ if ( wxRichEditModule::Load(wxRichEditModule::Version_1) )
+ {
+ windowClass = wxT("RICHEDIT");
+ }
+ else // failed to load any richedit control DLL
+ {
+ // only give the error msg once if the DLL can't be loaded
+ static bool s_errorGiven = false; // MT ok as only used by GUI
+
+ if ( !s_errorGiven )
+ {
+ wxLogError(_("Impossible to create a rich edit control, using simple text control instead. Please reinstall riched32.dll"));
+
+ s_errorGiven = true;
+ }
- windowClass = RICHEDIT_CLASS;
+ m_verRichEdit = 0;
+ }
}
- }
+ } // !useInkEdit
}
#endif // wxUSE_RICHEDIT
valueWin = value;
}
- if ( !MSWCreateControl(windowClass, msStyle, pos, size, valueWin) )
+ // suppress events sent during control creation: we're called either from
+ // the ctor and then we shouldn't generate any events for compatibility
+ // with the other ports, or from SetWindowStyleFlag() and then we shouldn't
+ // generate the events because our text doesn't really change, the fact
+ // that we (sometimes) need to recreate the control is just an
+ // implementation detail
+ m_updatesCount = -2;
+
+ if ( !MSWCreateControl(windowClass.wx_str(), msStyle, pos, size, valueWin) )
return false;
- SetBackgroundColour(wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOW));
+ m_updatesCount = -1;
#if wxUSE_RICHEDIT
- if ( IsRich() )
+ if (IsRich())
{
+#if wxUSE_INKEDIT
+ if (IsInkEdit())
+ {
+ // Pass IEM_InsertText (0) as wParam, in order to have the ink always
+ // converted to text.
+ ::SendMessage(GetHwnd(), EM_SETINKINSERTMODE, 0, 0);
+
+ // Make sure the mouse can be used for input
+ ::SendMessage(GetHwnd(), EM_SETUSEMOUSEFORINPUT, 1, 0);
+ }
+#endif
+
// enable the events we're interested in: we want to get EN_CHANGE as
// for the normal controls
LPARAM mask = ENM_CHANGE;
- if ( GetRichVersion() == 1 )
+ if (GetRichVersion() == 1 && !IsInkEdit())
{
// we also need EN_MSGFILTER for richedit 1.0 for the reasons
// explained in its handler
mask |= ENM_MOUSEEVENTS;
+
+ // we also need to force the appearance of the vertical scrollbar
+ // initially as otherwise the control doesn't refresh correctly
+ // after resize: but once the vertical scrollbar had been shown
+ // (even if it's subsequently hidden) it does
+ //
+ // this is clearly a bug and for now it has been only noticed under
+ // Windows XP, so if we're sure it works correctly under other
+ // systems we could do this only for XP
+ SetSize(-1, 1); // 1 is small enough to force vert scrollbar
+ SetInitialSize(size);
}
else if ( m_windowStyle & wxTE_AUTO_URL )
{
::SendMessage(GetHwnd(), EM_SETEVENTMASK, 0, mask);
}
+ else
#endif // wxUSE_RICHEDIT
+ if ( HasFlag(wxTE_MULTILINE) && HasFlag(wxTE_READONLY) )
+ {
+ // non-rich read-only multiline controls have grey background by
+ // default under MSW but this is not always appropriate, so forcefully
+ // reset the background colour to normal default
+ //
+ // this is not ideal but, after a long discussion on wx-dev (see
+ // http://thread.gmane.org/gmane.comp.lib.wxwidgets.devel/116360/) it
+ // was finally deemed to be the best behaviour by default (and ideally
+ // we'd have a way to change this, see #11521)
+ SetBackgroundColour(GetClassDefaultAttributes().colBg);
+ }
+
+#ifndef __WXWINCE__
+ // Without this, if we pass the size in the constructor and then don't change it,
+ // the themed borders will be drawn incorrectly.
+ SetWindowPos(GetHwnd(), NULL, 0, 0, 0, 0,
+ SWP_NOZORDER|SWP_NOMOVE|SWP_NOSIZE|SWP_NOACTIVATE|
+ SWP_FRAMECHANGED);
+#endif
return true;
}
#if wxUSE_RICHEDIT
wxString classname = wxGetWindowClass(GetHWND());
- if ( classname.IsSameAs(_T("EDIT"), false /* no case */) )
+ if ( classname.IsSameAs(wxT("EDIT"), false /* no case */) )
{
m_verRichEdit = 0;
}
else // rich edit?
{
wxChar c;
- if ( wxSscanf(classname, _T("RichEdit%d0%c"), &m_verRichEdit, &c) != 2 )
+ if ( wxSscanf(classname, wxT("RichEdit%d0%c"), &m_verRichEdit, &c) != 2 )
{
- wxLogDebug(_T("Unknown edit control '%s'."), classname.c_str());
+ wxLogDebug(wxT("Unknown edit control '%s'."), classname.c_str());
m_verRichEdit = 0;
}
{
long msStyle = wxControl::MSWGetStyle(style, exstyle);
- // styles which we alaways add by default
+ // styles which we always add by default
if ( style & wxTE_MULTILINE )
{
- wxASSERT_MSG( !(style & wxTE_PROCESS_ENTER),
- wxT("wxTE_PROCESS_ENTER style is ignored for multiline text controls (they always process it)") );
-
msStyle |= ES_MULTILINE | ES_WANTRETURN;
if ( !(style & wxTE_NO_VSCROLL) )
{
void wxTextCtrl::SetWindowStyleFlag(long style)
{
+ // changing the alignment of the control dynamically works under Win2003
+ // (but not older Windows version: it seems to work under some versions of
+ // XP but not other ones, and we have no way to determine it so be
+ // conservative here) and only for plain EDIT controls (not RICH ones) and
+ // we have to recreate the control to make it always work
+ if ( IsRich() || wxGetWinVersion() < wxWinVersion_2003 )
+ {
+ const long alignMask = wxTE_LEFT | wxTE_CENTRE | wxTE_RIGHT;
+ if ( (style & alignMask) != (GetWindowStyle() & alignMask) )
+ {
+ const wxString value = GetValue();
+ const wxPoint pos = GetPosition();
+ const wxSize size = GetSize();
+
+ // delete the old window
+ HWND hwnd = GetHwnd();
+ DissociateHandle();
+ ::DestroyWindow(hwnd);
+
+ // create the new one with the updated flags
+ m_windowStyle = style;
+ MSWCreateText(value, pos, size);
+
+ // and make sure it has the same attributes as before
+ if ( m_hasFont )
+ {
+ // calling SetFont(m_font) would do nothing as the code would
+ // notice that the font didn't change, so force it to believe
+ // that it did
+ wxFont font = m_font;
+ m_font = wxNullFont;
+ SetFont(font);
+ }
+
+ if ( m_hasFgCol )
+ {
+ wxColour colFg = m_foregroundColour;
+ m_foregroundColour = wxNullColour;
+ SetForegroundColour(colFg);
+ }
+
+ if ( m_hasBgCol )
+ {
+ wxColour colBg = m_backgroundColour;
+ m_backgroundColour = wxNullColour;
+ SetBackgroundColour(colBg);
+ }
+
+ // note that text styles are lost but this is probably not a big
+ // problem: if you use styles, you probably don't use nor change
+ // alignment flags anyhow
+
+ return;
+ }
+ }
+
#if wxUSE_RICHEDIT
// we have to deal with some styles separately because they can't be
// changed by simply calling SetWindowLong(GWL_STYLE) but can be changed
// set/get the controls text
// ----------------------------------------------------------------------------
+bool wxTextCtrl::IsEmpty() const
+{
+ // this is an optimization for multiline controls containing a lot of text
+ if ( IsMultiLine() && GetNumberOfLines() != 1 )
+ return false;
+
+ return wxTextCtrlBase::IsEmpty();
+}
+
wxString wxTextCtrl::GetValue() const
{
// range 0..-1 is special for GetRange() and means to retrieve all text
encoding = font.GetEncoding();
}
+#if wxUSE_INTL
if ( encoding == wxFONTENCODING_SYSTEM )
{
encoding = wxLocale::GetSystemEncoding();
}
+#endif // wxUSE_INTL
if ( encoding == wxFONTENCODING_SYSTEM )
{
// style - convert it to something reasonable
for ( ; *p; p++ )
{
- if ( *p == _T('\r') )
- *p = _T('\n');
+ if ( *p == wxT('\r') )
+ *p = wxT('\n');
}
}
}
else
#endif // wxUSE_RICHEDIT
{
- // retrieve all text
- str = wxGetWindowText(GetHWND());
+ // retrieve all text: wxTextEntry method works even for multiline
+ // controls and must be used for single line ones to account for hints
+ str = wxTextEntry::GetValue();
// need only a range?
if ( from < to )
return str;
}
-void wxTextCtrl::SetValue(const wxString& value)
+void wxTextCtrl::DoSetValue(const wxString& value, int flags)
{
// if the text is long enough, it's faster to just set it instead of first
// comparing it with the old one (chances are that it will be different
// anyhow, this comparison is there to avoid flicker for small single-line
// edit controls mostly)
- if ( (value.length() > 0x400) || (value != GetValue()) )
+ if ( (value.length() > 0x400) || (value != DoGetValue()) )
{
- DoWriteText(value, false /* not selection only */);
+ DoWriteText(value, flags /* doesn't include SelectionOnly here */);
+
+ // mark the control as being not dirty - we changed its text, not the
+ // user
+ DiscardEdits();
// for compatibility, don't move the cursor when doing SetValue()
SetInsertionPoint(0);
}
else // same text
{
+ // still reset the modified flag even if the value didn't really change
+ // because now it comes from the program and not the user (and do it
+ // before generating the event so that the event handler could get the
+ // expected value from IsModified())
+ DiscardEdits();
+
// still send an event for consistency
- SendUpdateEvent();
+ if (flags & SetValue_SendEvent)
+ SendUpdateEvent();
}
-
- // we should reset the modified flag even if the value didn't really change
-
- // mark the control as being not dirty - we changed its text, not the
- // user
- DiscardEdits();
}
#if wxUSE_RICHEDIT && (!wxUSE_UNICODE || wxUSE_UNICODE_MSLU)
// TODO: using memcpy() would improve performance a lot for big amounts of text
DWORD CALLBACK
-wxRichEditStreamIn(DWORD dwCookie, BYTE *buf, LONG cb, LONG *pcb)
+wxRichEditStreamIn(DWORD_PTR dwCookie, BYTE *buf, LONG cb, LONG *pcb)
{
*pcb = 0;
#else // !wxUSE_UNICODE_MSLU
wxCSConv conv(encoding);
- const size_t len = conv.MB2WC(NULL, value, value.length());
+ const size_t len = conv.MB2WC(NULL, value.mb_str(), value.length());
-#if wxUSE_WCHAR_T
- wxWCharBuffer wchBuf(len);
+ if (len == wxCONV_FAILED)
+ return false;
+
+ wxWCharBuffer wchBuf(len); // allocates one extra character
wchar_t *wpc = wchBuf.data();
-#else
- wchar_t *wchBuf = (wchar_t *)malloc((len + 1)*sizeof(wchar_t));
- wchar_t *wpc = wchBuf;
-#endif
- conv.MB2WC(wpc, value, value.length());
+ conv.MB2WC(wpc, value.mb_str(), len + 1);
#endif // wxUSE_UNICODE_MSLU
// finally, stream it in the control
EDITSTREAM eds;
wxZeroMemory(eds);
- eds.dwCookie = (DWORD)&wpc;
+ eds.dwCookie = (DWORD_PTR)&wpc;
// the cast below is needed for broken (very) old mingw32 headers
eds.pfnCallback = (EDITSTREAMCALLBACK)wxRichEditStreamIn;
- // we're going to receive 2 EN_CHANGE notifications if we got any selection
- // (same problem as in DoWriteText())
- if ( selectionOnly && HasSelection() )
- {
- // so suppress one of them
- m_suppressNextUpdate = true;
- }
+ // same problem as in DoWriteText(): we can get multiple events here
+ UpdatesCountFilter ucf(m_updatesCount);
::SendMessage(GetHwnd(), EM_STREAMIN,
SF_TEXT |
(selectionOnly ? SFF_SELECTION : 0),
(LPARAM)&eds);
+ // It's okay for EN_UPDATE to not be sent if the selection is empty and
+ // the text is empty, otherwise warn the programmer about it.
+ wxASSERT_MSG( ucf.GotUpdate() || ( !HasSelection() && value.empty() ),
+ wxT("EM_STREAMIN didn't send EN_UPDATE?") );
+
if ( eds.dwError )
{
- wxLogLastError(_T("EM_STREAMIN"));
+ wxLogLastError(wxT("EM_STREAMIN"));
}
-#if !wxUSE_WCHAR_T
- free(wchBuf);
-#endif // !wxUSE_WCHAR_T
-
return true;
}
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;
if ( eds.dwError )
{
- wxLogLastError(_T("EM_STREAMOUT"));
+ wxLogLastError(wxT("EM_STREAMOUT"));
}
else // streamed out ok
{
// conversion but what else can we do)
wxCSConv conv(encoding);
size_t lenNeeded = conv.WC2MB(NULL, wchBuf, 0);
- if ( lenNeeded++ )
+
+ if ( lenNeeded != wxCONV_FAILED && lenNeeded++ )
{
conv.WC2MB(wxStringBuffer(out, lenNeeded), wchBuf, lenNeeded);
}
}
-#if !wxUSE_WCHAR_T
- free(wchBuf);
-#endif // !wxUSE_WCHAR_T
-
return out;
}
DoWriteText(value);
}
-void wxTextCtrl::DoWriteText(const wxString& value, bool selectionOnly)
+void wxTextCtrl::DoWriteText(const wxString& value, int flags)
{
+ bool selectionOnly = (flags & SetValue_SelectionOnly) != 0;
wxString valueDos;
if ( m_windowStyle & wxTE_MULTILINE )
valueDos = wxTextFile::Translate(value, wxTextFileType_Dos);
#endif // wxUSE_RICHEDIT
{
// 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;
- }
+ // call (this happens for plain EDITs with EM_REPLACESEL and under some
+ // -- undetermined -- conditions with rich edit) and sometimes we don't
+ // get any events at all (plain EDIT with WM_SETTEXT), so ensure that
+ // we generate exactly one of them by ignoring all but the first one in
+ // SendUpdateEvent() and generating one ourselves if we hadn't got any
+ // notifications from Windows
+ if ( !(flags & SetValue_SendEvent) )
+ m_updatesCount = -2; // suppress any update event
+
+ UpdatesCountFilter ucf(m_updatesCount);
::SendMessage(GetHwnd(), selectionOnly ? EM_REPLACESEL : WM_SETTEXT,
- 0, (LPARAM)valueDos.c_str());
+ // EM_REPLACESEL takes 1 to indicate the operation should be redoable
+ selectionOnly ? 1 : 0, (LPARAM)valueDos.wx_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
- )
+ if ( !ucf.GotUpdate() && (flags & SetValue_SendEvent) )
{
- // Windows already sends an update event for single-line
- // controls.
- if ( m_windowStyle & wxTE_MULTILINE )
- SendUpdateEvent();
+ SendUpdateEvent();
}
}
-
- AdjustSpaceLimit();
}
void wxTextCtrl::AppendText(const wxString& text)
{
- SetInsertionPointEnd();
-
- WriteText(text);
+ wxTextEntry::AppendText(text);
#if wxUSE_RICHEDIT
- if ( IsMultiLine() && GetRichVersion() > 1 )
+ // don't do this if we're frozen, saves some time
+ if ( !IsFrozen() && IsMultiLine() && GetRichVersion() > 1 )
{
- // setting the caret to the end and showing it simply doesn't work for
- // RichEdit 2.0 -- force it to still do what we want
- ::SendMessage(GetHwnd(), EM_LINESCROLL, 0, GetNumberOfLines());
+ ::SendMessage(GetHwnd(), WM_VSCROLL, SB_BOTTOM, NULL);
}
#endif // wxUSE_RICHEDIT
}
{
::SetWindowText(GetHwnd(), wxEmptyString);
-#if wxUSE_RICHEDIT
- if ( !IsRich() )
-#endif // wxUSE_RICHEDIT
+ if ( IsMultiLine() && !IsRich() )
{
// rich edit controls send EN_UPDATE from WM_SETTEXT handler themselves
// but the normal ones don't -- make Clear() behaviour consistent by
// always sending this event
-
- // Windows already sends an update event for single-line
- // controls.
- if ( m_windowStyle & wxTE_MULTILINE )
- SendUpdateEvent();
+ SendUpdateEvent();
}
}
#endif // __WIN32__
-// ----------------------------------------------------------------------------
-// Clipboard operations
-// ----------------------------------------------------------------------------
-
-void wxTextCtrl::Copy()
-{
- if (CanCopy())
- {
- ::SendMessage(GetHwnd(), WM_COPY, 0, 0L);
- }
-}
-
-void wxTextCtrl::Cut()
-{
- if (CanCut())
- {
- ::SendMessage(GetHwnd(), WM_CUT, 0, 0L);
- }
-}
-
-void wxTextCtrl::Paste()
-{
- if (CanPaste())
- {
- ::SendMessage(GetHwnd(), WM_PASTE, 0, 0L);
- }
-}
-
-bool wxTextCtrl::HasSelection() const
-{
- long from, to;
- GetSelection(&from, &to);
- return from != to;
-}
-
-bool wxTextCtrl::CanCopy() const
-{
- // Can copy if there's a selection
- return HasSelection();
-}
-
-bool wxTextCtrl::CanCut() const
-{
- return CanCopy() && IsEditable();
-}
-
-bool wxTextCtrl::CanPaste() const
-{
- if ( !IsEditable() )
- return false;
-
-#if wxUSE_RICHEDIT
- if ( IsRich() )
- {
- UINT cf = 0; // 0 == any format
-
- return ::SendMessage(GetHwnd(), EM_CANPASTE, cf, 0) != 0;
- }
-#endif // wxUSE_RICHEDIT
-
- // Standard edit control: check for straight text on clipboard
- if ( !::OpenClipboard(GetHwndOf(wxTheApp->GetTopWindow())) )
- return false;
-
- bool isTextAvailable = ::IsClipboardFormatAvailable(CF_TEXT) != 0;
- ::CloseClipboard();
-
- return isTextAvailable;
-}
-
// ----------------------------------------------------------------------------
// Accessors
// ----------------------------------------------------------------------------
-void wxTextCtrl::SetEditable(bool editable)
-{
- HWND hWnd = GetHwnd();
- ::SendMessage(hWnd, EM_SETREADONLY, (WPARAM)!editable, (LPARAM)0L);
-}
-
-void wxTextCtrl::SetInsertionPoint(long pos)
-{
- DoSetSelection(pos, pos);
-}
-
void wxTextCtrl::SetInsertionPointEnd()
{
// we must not do anything if the caret is already there because calling
// 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
+ const wxTextPos lastPosition = GetLastPosition();
+ if ( GetInsertionPoint() == lastPosition )
{
- pos = GetLastPosition();
+ return;
}
- SetInsertionPoint(pos);
+ SetInsertionPoint(lastPosition);
}
long wxTextCtrl::GetInsertionPoint() const
}
#endif // wxUSE_RICHEDIT
- DWORD Pos = (DWORD)::SendMessage(GetHwnd(), EM_GETSEL, 0, 0L);
- return Pos & 0xFFFF;
+ return wxTextEntry::GetInsertionPoint();
}
-long wxTextCtrl::GetLastPosition() const
+wxTextPos wxTextCtrl::GetLastPosition() const
{
- int numLines = GetNumberOfLines();
- long posStartLastLine = XYToPosition(0, numLines - 1);
+ if ( IsMultiLine() )
+ {
+ int numLines = GetNumberOfLines();
+ long posStartLastLine = XYToPosition(0, numLines - 1);
- long lenLastLine = GetLengthOfLineContainingPos(posStartLastLine);
+ long lenLastLine = GetLengthOfLineContainingPos(posStartLastLine);
- return posStartLastLine + lenLastLine;
+ return posStartLastLine + lenLastLine;
+ }
+
+ return wxTextEntry::GetLastPosition();
}
// If the return values from and to are the same, there is no
// selection.
-void wxTextCtrl::GetSelection(long* from, long* to) const
+void wxTextCtrl::GetSelection(long *from, long *to) const
{
#if wxUSE_RICHEDIT
if ( IsRich() )
else
#endif // !wxUSE_RICHEDIT
{
- DWORD dwStart, dwEnd;
- ::SendMessage(GetHwnd(), EM_GETSEL, (WPARAM)&dwStart, (LPARAM)&dwEnd);
-
- *from = dwStart;
- *to = dwEnd;
+ wxTextEntry::GetSelection(from, to);
}
}
-bool wxTextCtrl::IsEditable() const
-{
- // strangely enough, we may be called before the control is created: our
- // own Create() calls MSWGetStyle() which calls AcceptsFocus() which calls
- // us
- if ( !m_hWnd )
- return true;
-
- long style = ::GetWindowLong(GetHwnd(), GWL_STYLE);
-
- return (style & ES_READONLY) == 0;
-}
-
// ----------------------------------------------------------------------------
// selection
// ----------------------------------------------------------------------------
-void wxTextCtrl::SetSelection(long from, long to)
-{
- // if from and to are both -1, it means (in wxWidgets) that all text should
- // be selected - translate into Windows convention
- if ( (from == -1) && (to == -1) )
- {
- from = 0;
- to = -1;
- }
-
- DoSetSelection(from, to);
-}
-
-void wxTextCtrl::DoSetSelection(long from, long to, bool scrollCaret)
+void wxTextCtrl::DoSetSelection(long from, long to, int flags)
{
HWND hWnd = GetHwnd();
#if wxUSE_RICHEDIT
if ( IsRich() )
{
+ // if from and to are both -1, it means (in wxWidgets) that all text
+ // should be selected, translate this into Windows convention
+ if ( (from == -1) && (to == -1) )
+ {
+ from = 0;
+ }
+
CHARRANGE range;
range.cpMin = from;
range.cpMax = to;
- ::SendMessage(hWnd, EM_EXSETSEL, 0, (LPARAM) &range);
+ ::SendMessage(hWnd, EM_EXSETSEL, 0, (LPARAM)&range);
}
else
#endif // wxUSE_RICHEDIT
{
- ::SendMessage(hWnd, EM_SETSEL, (WPARAM)from, (LPARAM)to);
+ wxTextEntry::DoSetSelection(from, to, flags);
}
- if ( scrollCaret )
+ if ( (flags & SetSel_Scroll) && !IsFrozen() )
{
#if wxUSE_RICHEDIT
// richedit 3.0 (i.e. the version living in riched20.dll distributed
// ES_DISABLENOSCROLL
//
// this is very ugly but I don't see any other way to make this work
+ long style = 0;
if ( GetRichVersion() > 1 )
{
if ( !HasFlag(wxTE_NOHIDESEL) )
{
+ // setting ECO_NOHIDESEL also sets WS_VISIBLE and possibly
+ // others, remember the style so we can reset it later if needed
+ style = ::GetWindowLong(GetHwnd(), GWL_STYLE);
::SendMessage(GetHwnd(), EM_SETOPTIONS,
ECOOP_OR, ECO_NOHIDESEL);
}
}
#endif // wxUSE_RICHEDIT
- ::SendMessage(hWnd, EM_SCROLLCARET, (WPARAM)0, (LPARAM)0);
+ ::SendMessage(hWnd, EM_SCROLLCARET, 0, (LPARAM)0);
#if wxUSE_RICHEDIT
// restore ECO_NOHIDESEL if we changed it
{
::SendMessage(GetHwnd(), EM_SETOPTIONS,
ECOOP_AND, ~ECO_NOHIDESEL);
+ if ( style != ::GetWindowLong(GetHwnd(), GWL_STYLE) )
+ ::SetWindowLong(GetHwnd(), GWL_STYLE, style);
}
#endif // wxUSE_RICHEDIT
}
// Working with files
// ----------------------------------------------------------------------------
-bool wxTextCtrl::LoadFile(const wxString& file)
+bool wxTextCtrl::DoLoadFile(const wxString& file, int fileType)
{
- if ( wxTextCtrlBase::LoadFile(file) )
+ if ( wxTextCtrlBase::DoLoadFile(file, fileType) )
{
// update the size limit if needed
AdjustSpaceLimit();
}
// ----------------------------------------------------------------------------
-// Editing
+// dirty status
// ----------------------------------------------------------------------------
-void wxTextCtrl::Replace(long from, long to, const wxString& value)
-{
- // Set selection and remove it
- DoSetSelection(from, to, false /* don't scroll caret into view */);
-
- DoWriteText(value, true /* selection only */);
-}
-
-void wxTextCtrl::Remove(long from, long to)
-{
- Replace(from, to, wxEmptyString);
-}
-
bool wxTextCtrl::IsModified() const
{
return ::SendMessage(GetHwnd(), EM_GETMODIFY, 0, 0) != 0;
void wxTextCtrl::MarkDirty()
{
- ::SendMessage(GetHwnd(), EM_SETMODIFY, TRUE, 0L);
+ ::SendMessage(GetHwnd(), EM_SETMODIFY, TRUE, 0);
}
void wxTextCtrl::DiscardEdits()
{
- ::SendMessage(GetHwnd(), EM_SETMODIFY, FALSE, 0L);
-}
-
-int wxTextCtrl::GetNumberOfLines() const
-{
- return (int)::SendMessage(GetHwnd(), EM_GETLINECOUNT, (WPARAM)0, (LPARAM)0);
+ ::SendMessage(GetHwnd(), EM_SETMODIFY, FALSE, 0);
}
// ----------------------------------------------------------------------------
// Positions <-> coords
// ----------------------------------------------------------------------------
+int wxTextCtrl::GetNumberOfLines() const
+{
+ return (int)::SendMessage(GetHwnd(), EM_GETLINECOUNT, 0, 0);
+}
+
long wxTextCtrl::XYToPosition(long x, long y) const
{
// This gets the char index for the _beginning_ of this line
- long charIndex = ::SendMessage(GetHwnd(), EM_LINEINDEX, (WPARAM)y, (LPARAM)0);
+ long charIndex = ::SendMessage(GetHwnd(), EM_LINEINDEX, y, 0);
return charIndex + x;
}
#if wxUSE_RICHEDIT
if ( IsRich() )
{
- lineNo = ::SendMessage(hWnd, EM_EXLINEFROMCHAR, 0, (LPARAM)pos);
+ lineNo = ::SendMessage(hWnd, EM_EXLINEFROMCHAR, 0, pos);
}
else
#endif // wxUSE_RICHEDIT
{
- lineNo = ::SendMessage(hWnd, EM_LINEFROMCHAR, (WPARAM)pos, 0);
+ lineNo = ::SendMessage(hWnd, EM_LINEFROMCHAR, pos, 0);
}
if ( lineNo == -1 )
}
// This gets the char index for the _beginning_ of this line
- long charIndex = ::SendMessage(hWnd, EM_LINEINDEX, (WPARAM)lineNo, (LPARAM)0);
+ long charIndex = ::SendMessage(hWnd, EM_LINEINDEX, lineNo, 0);
if ( charIndex == -1 )
{
return false;
// Is this where scrolling is relative to - the line containing the caret?
// Or is the first visible line??? Try first visible line.
-// int currentLineLineNo1 = (int)::SendMessage(hWnd, EM_LINEFROMCHAR, (WPARAM)-1, (LPARAM)0L);
+// int currentLineLineNo1 = (int)::SendMessage(hWnd, EM_LINEFROMCHAR, -1, 0L);
- int currentLineLineNo = (int)::SendMessage(hWnd, EM_GETFIRSTVISIBLELINE, (WPARAM)0, (LPARAM)0L);
+ int currentLineLineNo = (int)::SendMessage(hWnd, EM_GETFIRSTVISIBLELINE, 0, 0);
- int specifiedLineLineNo = (int)::SendMessage(hWnd, EM_LINEFROMCHAR, (WPARAM)pos, (LPARAM)0L);
+ int specifiedLineLineNo = (int)::SendMessage(hWnd, EM_LINEFROMCHAR, pos, 0);
int linesToScroll = specifiedLineLineNo - currentLineLineNo;
if (linesToScroll != 0)
- (void)::SendMessage(hWnd, EM_LINESCROLL, (WPARAM)0, (LPARAM)linesToScroll);
+ ::SendMessage(hWnd, EM_LINESCROLL, 0, linesToScroll);
}
long wxTextCtrl::GetLengthOfLineContainingPos(long pos) const
{
- return ::SendMessage(GetHwnd(), EM_LINELENGTH, (WPARAM)pos, 0);
+ return ::SendMessage(GetHwnd(), EM_LINELENGTH, pos, 0);
}
int wxTextCtrl::GetLineLength(long lineNo) const
{
// remove the '\r' returned by the rich edit control, the user code
// should never see it
- if ( buf[len - 2] == _T('\r') && buf[len - 1] == _T('\n') )
+ if ( buf[len - 2] == wxT('\r') && buf[len - 1] == wxT('\n') )
{
- buf[len - 2] = _T('\n');
+ // richedit 1.0 uses "\r\n" as line terminator, so remove "\r"
+ // here and "\n" below
+ buf[len - 2] = wxT('\n');
len--;
}
+ else if ( buf[len - 1] == wxT('\r') )
+ {
+ // richedit 2.0+ uses only "\r", replace it with "\n"
+ buf[len - 1] = wxT('\n');
+ }
}
#endif // wxUSE_RICHEDIT
// remove the '\n' at the end, if any (this is how this function is
// supposed to work according to the docs)
- if ( buf[len - 1] == _T('\n') )
+ if ( buf[len - 1] == wxT('\n') )
{
len--;
}
void wxTextCtrl::SetMaxLength(unsigned long len)
{
#if wxUSE_RICHEDIT
- if (IsRich())
- ::SendMessage(GetHwnd(), EM_EXLIMITTEXT, 0, (LPARAM) (DWORD) len);
+ if ( IsRich() )
+ {
+ ::SendMessage(GetHwnd(), EM_EXLIMITTEXT, 0, len ? len : 0x7fffffff);
+ }
else
-#endif
- ::SendMessage(GetHwnd(), EM_LIMITTEXT, len, 0);
+#endif // wxUSE_RICHEDIT
+ {
+ wxTextEntry::SetMaxLength(len);
+ }
}
// ----------------------------------------------------------------------------
// Undo/redo
// ----------------------------------------------------------------------------
-void wxTextCtrl::Undo()
-{
- if (CanUndo())
- {
- ::SendMessage(GetHwnd(), EM_UNDO, 0, 0);
- }
-}
-
void wxTextCtrl::Redo()
{
- if (CanRedo())
- {
#if wxUSE_RICHEDIT
- if (GetRichVersion() > 1)
- ::SendMessage(GetHwnd(), EM_REDO, 0, 0);
- else
-#endif
- // Same as Undo, since Undo undoes the undo, i.e. a redo.
- ::SendMessage(GetHwnd(), EM_UNDO, 0, 0);
+ if ( GetRichVersion() > 1 )
+ {
+ ::SendMessage(GetHwnd(), EM_REDO, 0, 0);
+ return;
}
-}
+#endif // wxUSE_RICHEDIT
-bool wxTextCtrl::CanUndo() const
-{
- return ::SendMessage(GetHwnd(), EM_CANUNDO, 0, 0) != 0;
+ wxTextEntry::Redo();
}
bool wxTextCtrl::CanRedo() const
{
#if wxUSE_RICHEDIT
- if (GetRichVersion() > 1)
+ if ( GetRichVersion() > 1 )
return ::SendMessage(GetHwnd(), EM_CANREDO, 0, 0) != 0;
- else
-#endif
- return ::SendMessage(GetHwnd(), EM_CANUNDO, 0, 0) != 0;
+#endif // wxUSE_RICHEDIT
+
+ return wxTextEntry::CanRedo();
}
// ----------------------------------------------------------------------------
if ( !(show ? ::ShowCaret(GetHwnd()) : ::HideCaret(GetHwnd())) )
{
// not an error, may simply indicate that it's not shown/hidden
- // yet (i.e. it had been hidden/showh 2 times before)
+ // yet (i.e. it had been hidden/shown 2 times before)
return false;
}
}
// ----------------------------------------------------------------------------
-// implemenation details
+// implementation details
// ----------------------------------------------------------------------------
void wxTextCtrl::Command(wxCommandEvent & event)
// kbd input processing
// ----------------------------------------------------------------------------
-bool wxTextCtrl::MSWShouldPreProcessMessage(WXMSG* pMsg)
+bool wxTextCtrl::MSWShouldPreProcessMessage(WXMSG* msg)
{
- MSG *msg = (MSG *)pMsg;
-
// check for our special keys here: if we don't do it and the parent frame
// uses them as accelerators, they wouldn't work at all, so we disable
// usual preprocessing for them
if ( msg->message == WM_KEYDOWN )
{
- WORD vkey = (WORD) msg->wParam;
- if ( (HIWORD(msg->lParam) & KF_ALTDOWN) == KF_ALTDOWN )
+ const WPARAM vkey = msg->wParam;
+ if ( HIWORD(msg->lParam) & KF_ALTDOWN )
{
+ // Alt-Backspace is accelerator for "Undo"
if ( vkey == VK_BACK )
return false;
}
switch ( ctrl + shift )
{
default:
- wxFAIL_MSG( _T("how many modifiers have we got?") );
+ wxFAIL_MSG( wxT("how many modifiers have we got?") );
// fall through
case 0:
+ if ( IsMultiLine() && vkey == VK_RETURN )
+ return false;
+ // fall through
case 2:
break;
}
}
- return wxControl::MSWShouldPreProcessMessage(pMsg);
+ return wxControl::MSWShouldPreProcessMessage(msg);
}
void wxTextCtrl::OnChar(wxKeyEvent& event)
switch ( event.GetKeyCode() )
{
case WXK_RETURN:
- if ( !HasFlag(wxTE_MULTILINE) )
{
wxCommandEvent event(wxEVT_COMMAND_TEXT_ENTER, m_windowId);
InitCommandEvent(event);
event.SetString(GetValue());
- if ( GetEventHandler()->ProcessEvent(event) )
+ if ( HandleWindowEvent(event) )
+ if ( !HasFlag(wxTE_MULTILINE) )
return;
+ //else: multiline controls need Enter for themselves
}
- //else: multiline controls need Enter for themselves
-
break;
case WXK_TAB:
// Insert tab since calling the default Windows handler
// doesn't seem to do it
WriteText(wxT("\t"));
+ return;
}
break;
}
event.Skip();
}
+void wxTextCtrl::OnKeyDown(wxKeyEvent& event)
+{
+ // richedit control doesn't send WM_PASTE, WM_CUT and WM_COPY messages
+ // when Ctrl-V, X or C is pressed and this prevents wxClipboardTextEvent
+ // from working. So we work around it by intercepting these shortcuts
+ // ourselves and emitting clipboard events (which richedit will handle,
+ // so everything works as before, including pasting of rich text):
+ if ( event.GetModifiers() == wxMOD_CONTROL && IsRich() )
+ {
+ switch ( event.GetKeyCode() )
+ {
+ case 'C':
+ Copy();
+ return;
+ case 'X':
+ Cut();
+ return;
+ case 'V':
+ Paste();
+ return;
+ default:
+ break;
+ }
+ }
+
+ // no, we didn't process it
+ event.Skip();
+}
+
WXLRESULT wxTextCtrl::MSWWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lParam)
{
WXLRESULT lRc = wxTextCtrlBase::MSWWindowProc(nMsg, wParam, lParam);
- if ( nMsg == WM_GETDLGCODE )
+ switch ( nMsg )
{
- // we always want the chars and the arrows: the arrows for navigation
- // and the chars because we want Ctrl-C to work even in a read only
- // control
- long lDlgCode = DLGC_WANTCHARS | DLGC_WANTARROWS;
+ case WM_GETDLGCODE:
+ {
+ // we always want the chars and the arrows: the arrows for
+ // navigation and the chars because we want Ctrl-C to work even
+ // in a read only control
+ long lDlgCode = DLGC_WANTCHARS | DLGC_WANTARROWS;
- if ( IsEditable() )
- {
- // we may have several different cases:
- // 1. normal case: both TAB and ENTER are used for dlg navigation
- // 2. ctrl which wants TAB for itself: ENTER is used to pass to the
- // next control in the dialog
- // 3. ctrl which wants ENTER for itself: TAB is used for dialog
- // navigation
- // 4. ctrl which wants both TAB and ENTER: Ctrl-ENTER is used to go
- // to the next control
-
- // the multiline edit control should always get <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;
- }
+ if ( IsEditable() )
+ {
+ // we may have several different cases:
+ // 1. normal: both TAB and ENTER are used for navigation
+ // 2. ctrl wants TAB for itself: ENTER is used to pass to
+ // the next control in the dialog
+ // 3. ctrl wants ENTER for itself: TAB is used for dialog
+ // navigation
+ // 4. ctrl wants both TAB and ENTER: Ctrl-ENTER is used to
+ // go to the next control (we need some way to do it)
+
+ // multiline controls should always get ENTER for themselves
+ if ( HasFlag(wxTE_PROCESS_ENTER) || HasFlag(wxTE_MULTILINE) )
+ lDlgCode |= DLGC_WANTMESSAGE;
+
+ if ( HasFlag(wxTE_PROCESS_TAB) )
+ lDlgCode |= DLGC_WANTTAB;
+
+ lRc |= lDlgCode;
+ }
+ else // !editable
+ {
+ // NB: use "=", not "|=" as the base class version returns
+ // the same flags in the disabled state as usual (i.e.
+ // including DLGC_WANTMESSAGE). This is strange (how
+ // does it work in the native Win32 apps?) but for now
+ // live with it.
+ lRc = lDlgCode;
+ }
+ }
+ break;
+
+#if wxUSE_MENUS
+ case WM_SETCURSOR:
+ // rich text controls seem to have a bug and don't change the
+ // cursor to the standard arrow one from the I-beam cursor usually
+ // used by them even when a popup menu is shown (this works fine
+ // for plain EDIT controls though), so explicitly work around this
+ if ( IsRich() )
+ {
+ extern wxMenu *wxCurrentPopupMenu;
+ if ( wxCurrentPopupMenu &&
+ wxCurrentPopupMenu->GetInvokingWindow() == this )
+ ::SetCursor(GetHcursorOf(*wxSTANDARD_CURSOR));
+ }
+#endif // wxUSE_MENUS
}
return lRc;
bool wxTextCtrl::SendUpdateEvent()
{
- // is event reporting suspended?
- if ( m_suppressNextUpdate )
+ switch ( m_updatesCount )
{
- // do process the next one
- m_suppressNextUpdate = false;
+ case 0:
+ // remember that we've got an update
+ m_updatesCount++;
+ break;
- return false;
- }
+ case 1:
+ // we had already sent one event since the last control modification
+ return false;
+
+ default:
+ wxFAIL_MSG( wxT("unexpected wxTextCtrl::m_updatesCount value") );
+ // fall through
+
+ case -1:
+ // we hadn't updated the control ourselves, this event comes from
+ // the user, don't need to ignore it nor update the count
+ break;
- wxCommandEvent event(wxEVT_COMMAND_TEXT_UPDATED, GetId());
- InitCommandEvent(event);
- event.SetString(GetValue());
+ case -2:
+ // the control was updated programmatically and we do NOT want to
+ // send events
+ return false;
+ }
- return ProcessCommand(event);
+ return SendTextUpdatedEvent();
}
bool wxTextCtrl::MSWCommand(WXUINT param, WXWORD WXUNUSED(id))
{
switch ( param )
{
- case EN_SETFOCUS:
- case EN_KILLFOCUS:
- {
- wxFocusEvent event(param == EN_KILLFOCUS ? wxEVT_KILL_FOCUS
- : wxEVT_SET_FOCUS,
- m_windowId);
- event.SetEventObject(this);
- GetEventHandler()->ProcessEvent(event);
- }
- break;
-
case EN_CHANGE:
SendUpdateEvent();
break;
}
break;
- // the other edit notification messages are not processed
+ // the other edit notification messages are not processed (or, in
+ // the case of EN_{SET/KILL}FOCUS were already handled at WM_SET/
+ // KILLFOCUS level)
default:
return false;
}
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
- )
+WXHBRUSH wxTextCtrl::MSWControlColor(WXHDC hDC, WXHWND hWnd)
{
-#if wxUSE_CTL3D
- if ( m_useCtl3D )
- {
- HBRUSH hbrush = Ctl3dCtlColorEx(message, wParam, lParam);
- return (WXHBRUSH) hbrush;
- }
-#endif // wxUSE_CTL3D
-
- HDC hdc = (HDC)pDC;
- wxColour colBack = GetBackgroundColour();
-
- if (!IsEnabled() && (GetWindowStyle() & wxTE_MULTILINE) == 0)
- colBack = wxSystemSettings::GetColour(wxSYS_COLOUR_3DFACE);
+ if ( !IsEnabled() && !HasFlag(wxTE_MULTILINE) )
+ return MSWControlColorDisabled(hDC);
- ::SetBkColor(hdc, wxColourToRGB(colBack));
- ::SetTextColor(hdc, wxColourToRGB(GetForegroundColour()));
-
- wxBrush *brush = wxTheBrushList->FindOrCreateBrush(colBack, wxSOLID);
-
- return (WXHBRUSH)brush->GetResourceHandle();
+ return wxTextCtrlBase::MSWControlColor(hDC, hWnd);
}
-bool wxTextCtrl::AdjustSpaceLimit()
+bool wxTextCtrl::HasSpaceLimit(unsigned int *len) const
{
- unsigned int limit = ::SendMessage(GetHwnd(), EM_GETLIMITTEXT, 0, 0);
-
// HACK: we try to automatically extend the limit for the amount of text
// to allow (interactively) entering more than 64Kb of text under
// Win9x but we shouldn't reset the text limit which was previously
// set explicitly with SetMaxLength()
//
- // we could solve this by storing the limit we set in wxTextCtrl but
- // to save space we prefer to simply test here the actual limit
- // value: we consider that SetMaxLength() can only be called for
- // values < 32Kb
- if ( limit < 0x8000 )
- {
- // we've got more text than limit set by SetMaxLength()
+ // Unfortunately there is no EM_GETLIMITTEXTSETBYUSER and so we don't
+ // know the limit we set (if any). We could solve this by storing the
+ // limit we set in wxTextCtrl but to save space we prefer to simply
+ // test here the actual limit value: we consider that SetMaxLength()
+ // can only be called for small values while EN_MAXTEXT is only sent
+ // for large values (in practice the default limit seems to be 30000
+ // but make it smaller just to be on the safe side)
+ *len = ::SendMessage(GetHwnd(), EM_GETLIMITTEXT, 0, 0);
+ return *len < 10001;
+
+}
+
+bool wxTextCtrl::AdjustSpaceLimit()
+{
+ unsigned int limit;
+ if ( HasSpaceLimit(&limit) )
return false;
- }
unsigned int len = ::GetWindowTextLength(GetHwnd());
if ( len >= limit )
{
- limit = len + 0x8000; // 32Kb
-
-#if wxUSE_RICHEDIT
- if ( IsRich() )
- {
- // as a nice side effect, this also allows passing limit > 64Kb
- ::SendMessage(GetHwnd(), EM_EXLIMITTEXT, 0, limit);
- }
- else
-#endif // wxUSE_RICHEDIT
- {
- if ( limit > 0xffff )
- {
- // this will set it to a platform-dependent maximum (much more
- // than 64Kb under NT)
- limit = 0;
- }
-
- ::SendMessage(GetHwnd(), EM_LIMITTEXT, limit, 0);
- }
+ // increment in 32Kb chunks
+ SetMaxLength(len + 0x8000);
}
// we changed the limit
return true;
}
-bool wxTextCtrl::AcceptsFocus() const
+bool wxTextCtrl::AcceptsFocusFromKeyboard() const
{
// we don't want focus if we can't be edited unless we're a multiline
// control because then it might be still nice to get focus from keyboard
int hText = cy;
if ( m_windowStyle & wxTE_MULTILINE )
{
- hText *= wxMax(GetNumberOfLines(), 5);
+ hText *= wxMax(wxMin(GetNumberOfLines(), 10), 2);
}
//else: for single line control everything is ok
void wxTextCtrl::OnDelete(wxCommandEvent& WXUNUSED(event))
{
- long from, to;
- GetSelection(& from, & to);
- if (from != -1 && to != -1)
- Remove(from, to);
+ RemoveSelection();
}
void wxTextCtrl::OnSelectAll(wxCommandEvent& WXUNUSED(event))
{
- SetSelection(-1, -1);
+ SelectAll();
}
void wxTextCtrl::OnUpdateCut(wxUpdateUIEvent& event)
void wxTextCtrl::OnUpdateDelete(wxUpdateUIEvent& event)
{
- long from, to;
- GetSelection(& from, & to);
- event.Enable(from != -1 && to != -1 && from != to && IsEditable()) ;
+ event.Enable( HasSelection() && IsEditable() );
}
void wxTextCtrl::OnUpdateSelectAll(wxUpdateUIEvent& event)
{
- event.Enable(GetLastPosition() > 0);
+ event.Enable( !IsEmpty() );
}
-void wxTextCtrl::OnRightClick(wxMouseEvent& event)
+void wxTextCtrl::OnContextMenu(wxContextMenuEvent& event)
{
#if wxUSE_RICHEDIT
if (IsRich())
m_privateContextMenu->AppendSeparator();
m_privateContextMenu->Append(wxID_SELECTALL, _("Select &All"));
}
- PopupMenu(m_privateContextMenu, event.GetPosition());
+ PopupMenu(m_privateContextMenu);
return;
}
else
event.Skip();
}
-void wxTextCtrl::OnSetFocus(wxFocusEvent& WXUNUSED(event))
+void wxTextCtrl::OnSetFocus(wxFocusEvent& event)
{
// be sure the caret remains invisible if the user had hidden it
if ( !m_isNativeCaretShown )
{
::HideCaret(GetHwnd());
}
+
+ event.Skip();
}
// the rest of the file only deals with the rich edit controls
return wxTextCtrlBase::MSWOnNotify(idCtrl, lParam, result);
}
-// ----------------------------------------------------------------------------
-// default colors for MSW text control
-// ----------------------------------------------------------------------------
+#if wxUSE_DRAG_AND_DROP
-wxVisualAttributes wxTextCtrl::GetDefaultAttributes() const
+void wxTextCtrl::SetDropTarget(wxDropTarget *dropTarget)
{
- // it is important to return valid values for all attributes from here,
- // GetXXX() below rely on this
- wxVisualAttributes attrs;
- attrs.font = wxSystemSettings::GetFont(wxSYS_DEFAULT_GUI_FONT);
- attrs.colFg = wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOWTEXT);
- attrs.colBg = wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOW);
+ if ( m_dropTarget == wxRICHTEXT_DEFAULT_DROPTARGET )
+ {
+ // get rid of the built-in drop target
+ ::RevokeDragDrop(GetHwnd());
+ m_dropTarget = NULL;
+ }
- return attrs;
+ wxTextCtrlBase::SetDropTarget(dropTarget);
}
+#endif // wxUSE_DRAG_AND_DROP
+
// ----------------------------------------------------------------------------
// colour setting for the rich edit controls
// ----------------------------------------------------------------------------
return true;
}
+bool wxTextCtrl::SetFont(const wxFont& font)
+{
+ if ( !wxTextCtrlBase::SetFont(font) )
+ return false;
+
+ if ( IsRich() )
+ {
+ // Using WM_SETFONT doesn't work reliably with rich edit controls: as
+ // an example, if we set a fixed width font for a richedit 4.1 control,
+ // it's used for the ASCII characters but inserting any non-ASCII ones
+ // switches the font to a proportional one, whether it's done
+ // programmatically or not. So just use EM_SETCHARFORMAT for this too.
+ wxTextAttr attr;
+ attr.SetFont(font);
+ SetDefaultStyle(attr);
+ }
+
+ return true;
+}
+
// ----------------------------------------------------------------------------
// styling support for rich edit controls
// ----------------------------------------------------------------------------
-#if wxUSE_RICHEDIT
-
bool wxTextCtrl::SetStyle(long start, long end, const wxTextAttr& style)
{
if ( !IsRich() )
if ( changeSel )
{
- DoSetSelection(start, end, false /* don't scroll caret into view */);
+ DoSetSelection(start, end, SetSel_NoScroll);
}
// initialize CHARFORMAT struct
// the real height in twips and not the negative number which
// wxFillLogFont() returns (this is correct in general and works with
// the Windows font mapper, but not here)
+
+ wxFont font(style.GetFont());
+
LOGFONT lf;
- wxFillLogFont(&lf, &style.GetFont());
- cf.yHeight = 20*style.GetFont().GetPointSize(); // 1 pt = 20 twips
+ wxFillLogFont(&lf, &font);
+ cf.yHeight = 20*font.GetPointSize(); // 1 pt = 20 twips
cf.bCharSet = lf.lfCharSet;
cf.bPitchAndFamily = lf.lfPitchAndFamily;
- wxStrncpy( cf.szFaceName, lf.lfFaceName, WXSIZEOF(cf.szFaceName) );
+ wxStrlcpy(cf.szFaceName, lf.lfFaceName, WXSIZEOF(cf.szFaceName));
// also deal with underline/italic/bold attributes: note that we must
// always set CFM_ITALIC &c bits in dwMask, even if we don't set the
SCF_SELECTION, (LPARAM)&cf) != 0;
if ( !ok )
{
- wxLogDebug(_T("SendMessage(EM_SETCHARFORMAT, SCF_SELECTION) failed"));
+ wxLogDebug(wxT("SendMessage(EM_SETCHARFORMAT, SCF_SELECTION) failed"));
}
// now do the paragraph formatting
}
}
- if (pf.dwMask != 0)
+#if wxUSE_RICHEDIT2
+ if ( m_verRichEdit > 1 )
+ {
+ if ( wxTheApp->GetLayoutDirection() == wxLayout_RightToLeft )
+ {
+ // Use RTL paragraphs in RTL mode to get proper layout
+ pf.dwMask |= PFM_RTLPARA;
+ pf.wEffects |= PFE_RTLPARA;
+ }
+ }
+#endif // wxUSE_RICHEDIT2
+
+ if ( pf.dwMask )
{
// do format the selection
bool ok = ::SendMessage(GetHwnd(), EM_SETPARAFORMAT,
- 0, (LPARAM) &pf) != 0;
+ 0, (LPARAM) &pf) != 0;
if ( !ok )
{
- wxLogDebug(_T("SendMessage(EM_SETPARAFORMAT, 0) failed"));
+ wxLogDebug(wxT("SendMessage(EM_SETPARAFORMAT, 0) failed"));
}
}
if ( changeSel )
{
// restore the original selection
- DoSetSelection(startOld, endOld, false);
+ DoSetSelection(startOld, endOld, SetSel_NoScroll);
}
return ok;
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);
+ if ( IsEditable() )
+ {
+ // we have to do this or the style wouldn't apply for the text typed by
+ // the user
+ wxTextPos posLast = GetLastPosition();
+ SetStyle(posLast, posLast, m_defaultStyle);
+ }
return true;
}
if ( changeSel )
{
- DoSetSelection(position, position, false /* don't scroll caret into view */);
+ DoSetSelection(position, position + 1, SetSel_NoScroll);
}
// get the selection formatting
wxStrcpy(lf.lfFaceName, cf.szFaceName);
//NOTE: we _MUST_ set each of these values to _something_ since we
- //do not call wxZeroMemory on the LOGFONT lf
+ //do not call wxZeroMemory on the LOGFONT lf
if (cf.dwEffects & CFE_ITALIC)
lf.lfItalic = TRUE;
else
if ( changeSel )
{
// restore the original selection
- DoSetSelection(startOld, endOld, false);
+ DoSetSelection(startOld, endOld, SetSel_NoScroll);
}
return true;
}
-#endif
-
// ----------------------------------------------------------------------------
// wxRichEditModule
// ----------------------------------------------------------------------------
+static const HINSTANCE INVALID_HINSTANCE = (HINSTANCE)-1;
+
bool wxRichEditModule::OnInit()
{
// don't do anything - we will load it when needed
{
for ( size_t i = 0; i < WXSIZEOF(ms_hRichEdit); i++ )
{
- if ( ms_hRichEdit[i] )
+ if ( ms_hRichEdit[i] && ms_hRichEdit[i] != INVALID_HINSTANCE )
{
::FreeLibrary(ms_hRichEdit[i]);
ms_hRichEdit[i] = NULL;
}
}
+#if wxUSE_INKEDIT
+ if (ms_inkEditLib.IsLoaded())
+ ms_inkEditLib.Unload();
+#endif
}
/* static */
-bool wxRichEditModule::Load(int version)
+bool wxRichEditModule::Load(Version version)
{
- // 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") );
-
- // make it the index in the array
- version--;
-
- if ( ms_hRichEdit[version] == (HINSTANCE)-1 )
+ if ( ms_hRichEdit[version] == INVALID_HINSTANCE )
{
// we had already tried to load it and failed
return false;
return true;
}
- wxString dllname = version ? _T("riched20") : _T("riched32");
- dllname += _T(".dll");
+ static const wxChar *const dllnames[] =
+ {
+ wxT("riched32"),
+ wxT("riched20"),
+ wxT("msftedit"),
+ };
+
+ wxCOMPILE_TIME_ASSERT( WXSIZEOF(dllnames) == Version_Max,
+ RichEditDllNamesVersionsMismatch );
- ms_hRichEdit[version] = ::LoadLibrary(dllname);
+ ms_hRichEdit[version] = ::LoadLibrary(dllnames[version]);
if ( !ms_hRichEdit[version] )
{
- wxLogSysError(_("Could not load Rich Edit DLL '%s'"), dllname.c_str());
-
- ms_hRichEdit[version] = (HINSTANCE)-1;
+ ms_hRichEdit[version] = INVALID_HINSTANCE;
return false;
}
return true;
}
+#if wxUSE_INKEDIT
+// load the InkEdit library
+bool wxRichEditModule::LoadInkEdit()
+{
+ if (ms_inkEditLibLoadAttemped)
+ return ms_inkEditLib.IsLoaded();
+
+ ms_inkEditLibLoadAttemped = true;
+
+ wxLogNull logNull;
+ return ms_inkEditLib.Load(wxT("inked"));
+}
+#endif // wxUSE_INKEDIT
+
+
#endif // wxUSE_RICHEDIT
#endif // wxUSE_TEXTCTRL && !(__SMARTPHONE__ && __WXWINCE__)
projects / wxWidgets.git / blobdiff