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[wxWidgets.git] / src / msw / textctrl.cpp
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2bda0e17 1/////////////////////////////////////////////////////////////////////////////
40ff126a 2// Name: src/msw/textctrl.cpp
2bda0e17
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3// Purpose: wxTextCtrl
4// Author: Julian Smart
5// Modified by:
6// Created: 04/01/98
7// RCS-ID: $Id$
6c9a19aa 8// Copyright: (c) Julian Smart
65571936 9// Licence: wxWindows licence
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10/////////////////////////////////////////////////////////////////////////////
11
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12// ============================================================================
13// declarations
14// ============================================================================
15
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16// ----------------------------------------------------------------------------
17// headers
18// ----------------------------------------------------------------------------
19
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20// For compilers that support precompilation, includes "wx.h".
21#include "wx/wxprec.h"
22
23#ifdef __BORLANDC__
a1b82138 24 #pragma hdrstop
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25#endif
26
3180bc0e 27#if wxUSE_TEXTCTRL && !(defined(__SMARTPHONE__) && defined(__WXWINCE__))
1e6feb95 28
2bda0e17 29#ifndef WX_PRECOMP
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30 #include "wx/textctrl.h"
31 #include "wx/settings.h"
32 #include "wx/brush.h"
33 #include "wx/utils.h"
381dd4bf 34 #include "wx/intl.h"
a1b82138 35 #include "wx/log.h"
381dd4bf 36 #include "wx/app.h"
2b5f62a0 37 #include "wx/menu.h"
e2bcbdfb 38 #include "wx/math.h"
02761f6c 39 #include "wx/module.h"
193d0c93 40 #include "wx/wxcrtvararg.h"
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41#endif
42
8ef51d67 43#include "wx/sysopt.h"
f6bcfd97 44
47d67540 45#if wxUSE_CLIPBOARD
a1b82138 46 #include "wx/clipbrd.h"
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47#endif
48
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49#include "wx/textfile.h"
50
51#include <windowsx.h>
52
2bda0e17 53#include "wx/msw/private.h"
9a88fc58 54#include "wx/msw/winundef.h"
8f825d89 55#include "wx/msw/mslu.h"
2bda0e17 56
a1b82138 57#include <string.h>
2bda0e17 58#include <stdlib.h>
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59
60#ifndef __WXWINCE__
a1b82138 61#include <sys/types.h>
4676948b 62#endif
fbc535ff 63
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64#if wxUSE_RICHEDIT
65
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66#if wxUSE_INKEDIT
67#include "wx/dynlib.h"
68#endif
69
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70// old mingw32 has richedit stuff directly in windows.h and doesn't have
71// richedit.h at all
72#if !defined(__GNUWIN32_OLD__) || defined(__CYGWIN10__)
cd471848 73 #include <richedit.h>
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74#endif
75
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76#endif // wxUSE_RICHEDIT
77
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78#include "wx/msw/missing.h"
79
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80#if wxUSE_DRAG_AND_DROP && wxUSE_RICHEDIT
81
82// dummy value used for m_dropTarget, different from any valid pointer value
83// (which are all even under Windows) and NULL
84static wxDropTarget *
85 wxRICHTEXT_DEFAULT_DROPTARGET = wx_reinterpret_cast(wxDropTarget *, 1);
86
87#endif // wxUSE_DRAG_AND_DROP && wxUSE_RICHEDIT
88
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89// ----------------------------------------------------------------------------
90// private classes
91// ----------------------------------------------------------------------------
92
93#if wxUSE_RICHEDIT
94
a5aa8086 95// this module initializes RichEdit DLL(s) if needed
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96class wxRichEditModule : public wxModule
97{
98public:
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99 enum Version
100 {
101 Version_1, // riched32.dll
102 Version_2or3, // both use riched20.dll
103 Version_41, // msftedit.dll (XP SP1 and Windows 2003)
104 Version_Max
105 };
106
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107 virtual bool OnInit();
108 virtual void OnExit();
109
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110 // load the richedit DLL for the specified version of rich edit
111 static bool Load(Version version);
b12915c1 112
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113#if wxUSE_INKEDIT
114 // load the InkEdit library
115 static bool LoadInkEdit();
116#endif
117
b12915c1 118private:
a5aa8086 119 // the handles to richedit 1.0 and 2.0 (or 3.0) DLLs
628c219e 120 static HINSTANCE ms_hRichEdit[Version_Max];
b12915c1 121
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122#if wxUSE_INKEDIT
123 static wxDynamicLibrary ms_inkEditLib;
124 static bool ms_inkEditLibLoadAttemped;
125#endif
126
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127 DECLARE_DYNAMIC_CLASS(wxRichEditModule)
128};
129
628c219e 130HINSTANCE wxRichEditModule::ms_hRichEdit[Version_Max] = { NULL, NULL, NULL };
b12915c1 131
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132#if wxUSE_INKEDIT
133wxDynamicLibrary wxRichEditModule::ms_inkEditLib;
134bool wxRichEditModule::ms_inkEditLibLoadAttemped = false;
135#endif
136
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137IMPLEMENT_DYNAMIC_CLASS(wxRichEditModule, wxModule)
138
139#endif // wxUSE_RICHEDIT
e702ff0f 140
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141// a small class used to set m_updatesCount to 0 (to filter duplicate events if
142// necessary) and to reset it back to -1 afterwards
143class UpdatesCountFilter
144{
145public:
146 UpdatesCountFilter(int& count)
147 : m_count(count)
148 {
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149 wxASSERT_MSG( m_count == -1 || m_count == -2,
150 _T("wrong initial m_updatesCount value") );
2c62dd25 151
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152 if (m_count != -2)
153 m_count = 0;
154 //else: we don't want to count how many update events we get as we're going
155 // to ignore all of them
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156 }
157
158 ~UpdatesCountFilter()
159 {
160 m_count = -1;
161 }
162
163 // return true if an event has been received
164 bool GotUpdate() const
165 {
166 return m_count == 1;
167 }
168
169private:
170 int& m_count;
171
172 DECLARE_NO_COPY_CLASS(UpdatesCountFilter)
173};
174
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175// ----------------------------------------------------------------------------
176// event tables and other macros
177// ----------------------------------------------------------------------------
178
51741307 179#if wxUSE_EXTENDED_RTTI
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180WX_DEFINE_FLAGS( wxTextCtrlStyle )
181
321239b6 182wxBEGIN_FLAGS( wxTextCtrlStyle )
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183 // new style border flags, we put them first to
184 // use them for streaming out
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185 wxFLAGS_MEMBER(wxBORDER_SIMPLE)
186 wxFLAGS_MEMBER(wxBORDER_SUNKEN)
187 wxFLAGS_MEMBER(wxBORDER_DOUBLE)
188 wxFLAGS_MEMBER(wxBORDER_RAISED)
189 wxFLAGS_MEMBER(wxBORDER_STATIC)
190 wxFLAGS_MEMBER(wxBORDER_NONE)
bfbb0b4c 191
bc9fb572 192 // old style border flags
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193 wxFLAGS_MEMBER(wxSIMPLE_BORDER)
194 wxFLAGS_MEMBER(wxSUNKEN_BORDER)
195 wxFLAGS_MEMBER(wxDOUBLE_BORDER)
196 wxFLAGS_MEMBER(wxRAISED_BORDER)
197 wxFLAGS_MEMBER(wxSTATIC_BORDER)
cb0afb26 198 wxFLAGS_MEMBER(wxBORDER)
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199
200 // standard window styles
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201 wxFLAGS_MEMBER(wxTAB_TRAVERSAL)
202 wxFLAGS_MEMBER(wxCLIP_CHILDREN)
203 wxFLAGS_MEMBER(wxTRANSPARENT_WINDOW)
204 wxFLAGS_MEMBER(wxWANTS_CHARS)
cb0afb26 205 wxFLAGS_MEMBER(wxFULL_REPAINT_ON_RESIZE)
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206 wxFLAGS_MEMBER(wxALWAYS_SHOW_SB )
207 wxFLAGS_MEMBER(wxVSCROLL)
208 wxFLAGS_MEMBER(wxHSCROLL)
209
210 wxFLAGS_MEMBER(wxTE_PROCESS_ENTER)
211 wxFLAGS_MEMBER(wxTE_PROCESS_TAB)
212 wxFLAGS_MEMBER(wxTE_MULTILINE)
213 wxFLAGS_MEMBER(wxTE_PASSWORD)
214 wxFLAGS_MEMBER(wxTE_READONLY)
215 wxFLAGS_MEMBER(wxHSCROLL)
216 wxFLAGS_MEMBER(wxTE_RICH)
217 wxFLAGS_MEMBER(wxTE_RICH2)
218 wxFLAGS_MEMBER(wxTE_AUTO_URL)
219 wxFLAGS_MEMBER(wxTE_NOHIDESEL)
220 wxFLAGS_MEMBER(wxTE_LEFT)
221 wxFLAGS_MEMBER(wxTE_CENTRE)
222 wxFLAGS_MEMBER(wxTE_RIGHT)
223 wxFLAGS_MEMBER(wxTE_DONTWRAP)
40ff126a 224 wxFLAGS_MEMBER(wxTE_CHARWRAP)
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225 wxFLAGS_MEMBER(wxTE_WORDWRAP)
226
227wxEND_FLAGS( wxTextCtrlStyle )
bc9fb572 228
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229IMPLEMENT_DYNAMIC_CLASS_XTI(wxTextCtrl, wxControl,"wx/textctrl.h")
230
321239b6 231wxBEGIN_PROPERTIES_TABLE(wxTextCtrl)
bfbb0b4c 232 wxEVENT_PROPERTY( TextUpdated , wxEVT_COMMAND_TEXT_UPDATED , wxCommandEvent )
321239b6 233 wxEVENT_PROPERTY( TextEnter , wxEVT_COMMAND_TEXT_ENTER , wxCommandEvent )
c5ca409b 234
af498247 235 wxPROPERTY( Font , wxFont , SetFont , GetFont , EMPTY_MACROVALUE, 0 /*flags*/ , wxT("Helpstring") , wxT("group") )
bfbb0b4c 236 wxPROPERTY( Value , wxString , SetValue, GetValue, wxString() , 0 /*flags*/ , wxT("Helpstring") , wxT("group"))
af498247 237 wxPROPERTY_FLAGS( WindowStyle , wxTextCtrlStyle , long , SetWindowStyleFlag , GetWindowStyleFlag , EMPTY_MACROVALUE , 0 /*flags*/ , wxT("Helpstring") , wxT("group")) // style
321239b6 238wxEND_PROPERTIES_TABLE()
51741307 239
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240wxBEGIN_HANDLERS_TABLE(wxTextCtrl)
241wxEND_HANDLERS_TABLE()
51741307 242
321239b6 243wxCONSTRUCTOR_6( wxTextCtrl , wxWindow* , Parent , wxWindowID , Id , wxString , Value , wxPoint , Position , wxSize , Size , long , WindowStyle)
51741307 244#else
9d112688 245IMPLEMENT_DYNAMIC_CLASS(wxTextCtrl, wxTextCtrlBase)
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246#endif
247
2bda0e17 248
9d112688 249BEGIN_EVENT_TABLE(wxTextCtrl, wxTextCtrlBase)
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250 EVT_CHAR(wxTextCtrl::OnChar)
251 EVT_DROP_FILES(wxTextCtrl::OnDropFiles)
252
2b5f62a0 253#if wxUSE_RICHEDIT
26f60eb6 254 EVT_CONTEXT_MENU(wxTextCtrl::OnContextMenu)
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255#endif
256
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257 EVT_MENU(wxID_CUT, wxTextCtrl::OnCut)
258 EVT_MENU(wxID_COPY, wxTextCtrl::OnCopy)
259 EVT_MENU(wxID_PASTE, wxTextCtrl::OnPaste)
260 EVT_MENU(wxID_UNDO, wxTextCtrl::OnUndo)
261 EVT_MENU(wxID_REDO, wxTextCtrl::OnRedo)
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262 EVT_MENU(wxID_CLEAR, wxTextCtrl::OnDelete)
263 EVT_MENU(wxID_SELECTALL, wxTextCtrl::OnSelectAll)
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264
265 EVT_UPDATE_UI(wxID_CUT, wxTextCtrl::OnUpdateCut)
266 EVT_UPDATE_UI(wxID_COPY, wxTextCtrl::OnUpdateCopy)
267 EVT_UPDATE_UI(wxID_PASTE, wxTextCtrl::OnUpdatePaste)
268 EVT_UPDATE_UI(wxID_UNDO, wxTextCtrl::OnUpdateUndo)
269 EVT_UPDATE_UI(wxID_REDO, wxTextCtrl::OnUpdateRedo)
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270 EVT_UPDATE_UI(wxID_CLEAR, wxTextCtrl::OnUpdateDelete)
271 EVT_UPDATE_UI(wxID_SELECTALL, wxTextCtrl::OnUpdateSelectAll)
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272
273 EVT_SET_FOCUS(wxTextCtrl::OnSetFocus)
2bda0e17 274END_EVENT_TABLE()
e702ff0f 275
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276// ============================================================================
277// implementation
278// ============================================================================
279
280// ----------------------------------------------------------------------------
281// creation
282// ----------------------------------------------------------------------------
283
aac7e7fe 284void wxTextCtrl::Init()
2bda0e17 285{
cd471848 286#if wxUSE_RICHEDIT
aac7e7fe 287 m_verRichEdit = 0;
2b5f62a0 288#endif // wxUSE_RICHEDIT
5036ea90 289
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290#if wxUSE_INKEDIT && wxUSE_RICHEDIT
291 m_isInkEdit = 0;
292#endif
293
2b5f62a0 294 m_privateContextMenu = NULL;
2c62dd25 295 m_updatesCount = -1;
e3a6a6b2 296 m_isNativeCaretShown = true;
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297}
298
299wxTextCtrl::~wxTextCtrl()
300{
caea50ac 301 delete m_privateContextMenu;
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302}
303
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304bool wxTextCtrl::Create(wxWindow *parent,
305 wxWindowID id,
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306 const wxString& value,
307 const wxPoint& pos,
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308 const wxSize& size,
309 long style,
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310 const wxValidator& validator,
311 const wxString& name)
2bda0e17 312{
a1b82138 313 // base initialization
f4d233c7 314 if ( !CreateControl(parent, id, pos, size, style, validator, name) )
bfbb0b4c 315 return false;
2bda0e17 316
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317 if ( !MSWCreateText(value, pos, size) )
318 return false;
319
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320#if wxUSE_DRAG_AND_DROP && wxUSE_RICHEDIT
321 if ( IsRich() )
322 {
323 // rich text controls have a default associated drop target which
324 // allows them to receive (rich) text dropped on them, which is nice,
325 // but prevents us from associating a user-defined drop target with
326 // them as we need to unregister the old one first
327 //
328 // to make it work, we set m_dropTarget to this special value initially
329 // and check for it in our SetDropTarget()
330 m_dropTarget = wxRICHTEXT_DEFAULT_DROPTARGET;
331 }
332#endif // wxUSE_DRAG_AND_DROP && wxUSE_RICHEDIT
333
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334 return true;
335}
336
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337// returns true if the platform should explicitly apply a theme border
338bool wxTextCtrl::CanApplyThemeBorder() const
339{
340#ifdef __WXWINCE__
341 return false;
342#else
343 // Standard text control already handles theming
344 return ((GetWindowStyle() & (wxTE_RICH|wxTE_RICH2)) != 0);
345#endif
346}
347
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348bool wxTextCtrl::MSWCreateText(const wxString& value,
349 const wxPoint& pos,
350 const wxSize& size)
351{
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352 // translate wxWin style flags to MSW ones
353 WXDWORD msStyle = MSWGetCreateWindowFlags();
cfdd3a98 354
a1b82138 355 // do create the control - either an EDIT or RICHEDIT
b12915c1 356 wxString windowClass = wxT("EDIT");
628c219e 357
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358#if defined(__POCKETPC__) || defined(__SMARTPHONE__)
359 // A control that capitalizes the first letter
9b99c1e3 360 if ( HasFlag(wxTE_CAPITALIZE) )
afafd942 361 windowClass = wxT("CAPEDIT");
628c219e 362#endif
cd471848 363
57c208c5 364#if wxUSE_RICHEDIT
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365 if ( m_windowStyle & wxTE_AUTO_URL )
366 {
367 // automatic URL detection only works in RichEdit 2.0+
368 m_windowStyle |= wxTE_RICH2;
369 }
370
371 if ( m_windowStyle & wxTE_RICH2 )
372 {
373 // using richedit 2.0 implies using wxTE_RICH
374 m_windowStyle |= wxTE_RICH;
375 }
376
377 // we need to load the richedit DLL before creating the rich edit control
c49245f8 378 if ( m_windowStyle & wxTE_RICH )
a1b82138 379 {
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380 // versions 2.0, 3.0 and 4.1 of rich edit are mostly compatible with
381 // each other but not with version 1.0, so we have separate flags for
382 // the version 1.0 and the others (and so m_verRichEdit may be 0 (plain
383 // EDIT control), 1 for version 1.0 or 2 for any higher version)
a5aa8086 384 //
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385 // notice that 1.0 has no Unicode support at all so in Unicode build we
386 // must use another version
387
a5aa8086 388#if wxUSE_UNICODE
628c219e 389 m_verRichEdit = 2;
a5aa8086 390#else // !wxUSE_UNICODE
628c219e 391 m_verRichEdit = m_windowStyle & wxTE_RICH2 ? 2 : 1;
a5aa8086 392#endif // wxUSE_UNICODE/!wxUSE_UNICODE
0d0512bd 393
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394#if wxUSE_INKEDIT
395 // First test if we can load an ink edit control. Normally, all edit
396 // controls will be made ink edit controls if a tablet environment is
397 // found (or if msw.inkedit != 0 and the InkEd.dll is present).
398 // However, an application can veto ink edit controls by either specifying
399 // msw.inkedit = 0 or by removing wxTE_RICH[2] from the style.
57a67daf 400 //
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401 if ((wxSystemSettings::HasFeature(wxSYS_TABLET_PRESENT) || wxSystemOptions::GetOptionInt(wxT("msw.inkedit")) != 0) &&
402 !(wxSystemOptions::HasOption(wxT("msw.inkedit")) && wxSystemOptions::GetOptionInt(wxT("msw.inkedit")) == 0))
0d0512bd 403 {
8ef51d67 404 if (wxRichEditModule::LoadInkEdit())
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405 {
406 windowClass = INKEDIT_CLASS;
407
408#if wxUSE_INKEDIT && wxUSE_RICHEDIT
8ef51d67 409 m_isInkEdit = 1;
57a67daf
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410#endif
411
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412 // Fake rich text version for other calls
413 m_verRichEdit = 2;
628c219e 414 }
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415 }
416#endif
57a67daf 417
122d1d56 418 if (!IsInkEdit())
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419 {
420 if ( m_verRichEdit == 2 )
40ff126a 421 {
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422 if ( wxRichEditModule::Load(wxRichEditModule::Version_41) )
423 {
424 // yes, class name for version 4.1 really is 5.0
425 windowClass = _T("RICHEDIT50W");
426 }
427 else if ( wxRichEditModule::Load(wxRichEditModule::Version_2or3) )
428 {
429 windowClass = _T("RichEdit20")
628c219e 430#if wxUSE_UNICODE
8ef51d67 431 _T("W");
628c219e 432#else // ANSI
8ef51d67 433 _T("A");
628c219e 434#endif // Unicode/ANSI
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435 }
436 else // failed to load msftedit.dll and riched20.dll
437 {
438 m_verRichEdit = 1;
439 }
628c219e 440 }
0d0512bd 441
8ef51d67 442 if ( m_verRichEdit == 1 )
b12915c1 443 {
8ef51d67 444 if ( wxRichEditModule::Load(wxRichEditModule::Version_1) )
f8387e15 445 {
8ef51d67 446 windowClass = _T("RICHEDIT");
f8387e15 447 }
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448 else // failed to load any richedit control DLL
449 {
450 // only give the error msg once if the DLL can't be loaded
451 static bool s_errorGiven = false; // MT ok as only used by GUI
452
453 if ( !s_errorGiven )
454 {
455 wxLogError(_("Impossible to create a rich edit control, using simple text control instead. Please reinstall riched32.dll"));
628c219e 456
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457 s_errorGiven = true;
458 }
459
460 m_verRichEdit = 0;
461 }
b12915c1 462 }
40ff126a 463 } // !useInkEdit
a1b82138 464 }
b12915c1 465#endif // wxUSE_RICHEDIT
2bda0e17 466
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467 // we need to turn '\n's into "\r\n"s for the multiline controls
468 wxString valueWin;
469 if ( m_windowStyle & wxTE_MULTILINE )
470 {
471 valueWin = wxTextFile::Translate(value, wxTextFileType_Dos);
472 }
473 else // single line
474 {
475 valueWin = value;
476 }
477
e0a050e3 478 if ( !MSWCreateControl(windowClass.wx_str(), msStyle, pos, size, valueWin) )
bfbb0b4c 479 return false;
2bda0e17 480
57c208c5 481#if wxUSE_RICHEDIT
8ef51d67 482 if (IsRich())
a1b82138 483 {
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484#if wxUSE_INKEDIT
485 if (IsInkEdit())
486 {
487 // Pass IEM_InsertText (0) as wParam, in order to have the ink always
488 // converted to text.
489 ::SendMessage(GetHwnd(), EM_SETINKINSERTMODE, 0, 0);
40ff126a 490
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491 // Make sure the mouse can be used for input
492 ::SendMessage(GetHwnd(), EM_SETUSEMOUSEFORINPUT, 1, 0);
493 }
494#endif
40ff126a 495
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496 // enable the events we're interested in: we want to get EN_CHANGE as
497 // for the normal controls
498 LPARAM mask = ENM_CHANGE;
c57e3339 499
8ef51d67 500 if (GetRichVersion() == 1 && !IsInkEdit())
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501 {
502 // we also need EN_MSGFILTER for richedit 1.0 for the reasons
503 // explained in its handler
504 mask |= ENM_MOUSEEVENTS;
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505
506 // we also need to force the appearance of the vertical scrollbar
507 // initially as otherwise the control doesn't refresh correctly
508 // after resize: but once the vertical scrollbar had been shown
509 // (even if it's subsequently hidden) it does
510 //
511 // this is clearly a bug and for now it has been only noticed under
512 // Windows XP, so if we're sure it works correctly under other
513 // systems we could do this only for XP
514 SetSize(-1, 1); // 1 is small enough to force vert scrollbar
b370e758 515 SetInitialSize(size);
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516 }
517 else if ( m_windowStyle & wxTE_AUTO_URL )
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518 {
519 mask |= ENM_LINK;
520
521 ::SendMessage(GetHwnd(), EM_AUTOURLDETECT, TRUE, 0);
522 }
523
524 ::SendMessage(GetHwnd(), EM_SETEVENTMASK, 0, mask);
a1b82138 525 }
c57e3339 526#endif // wxUSE_RICHEDIT
2bda0e17 527
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528#ifndef __WXWINCE__
529 // Without this, if we pass the size in the constructor and then don't change it,
530 // the themed borders will be drawn incorrectly.
531 SetWindowPos(GetHwnd(), NULL, 0, 0, 0, 0,
532 SWP_NOZORDER|SWP_NOMOVE|SWP_NOSIZE|SWP_NOACTIVATE|
533 SWP_FRAMECHANGED);
534#endif
535
bfbb0b4c 536 return true;
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537}
538
539// Make sure the window style (etc.) reflects the HWND style (roughly)
cd471848 540void wxTextCtrl::AdoptAttributesFromHWND()
2bda0e17 541{
aac7e7fe 542 wxWindow::AdoptAttributesFromHWND();
2bda0e17 543
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544 HWND hWnd = GetHwnd();
545 long style = ::GetWindowLong(hWnd, GWL_STYLE);
2bda0e17 546
aac7e7fe 547 // retrieve the style to see whether this is an edit or richedit ctrl
cd471848 548#if wxUSE_RICHEDIT
aac7e7fe 549 wxString classname = wxGetWindowClass(GetHWND());
2bda0e17 550
bfbb0b4c 551 if ( classname.IsSameAs(_T("EDIT"), false /* no case */) )
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552 {
553 m_verRichEdit = 0;
554 }
555 else // rich edit?
556 {
557 wxChar c;
558 if ( wxSscanf(classname, _T("RichEdit%d0%c"), &m_verRichEdit, &c) != 2 )
559 {
560 wxLogDebug(_T("Unknown edit control '%s'."), classname.c_str());
2bda0e17 561
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562 m_verRichEdit = 0;
563 }
564 }
a1b82138 565#endif // wxUSE_RICHEDIT
c085e333 566
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567 if (style & ES_MULTILINE)
568 m_windowStyle |= wxTE_MULTILINE;
569 if (style & ES_PASSWORD)
570 m_windowStyle |= wxTE_PASSWORD;
571 if (style & ES_READONLY)
572 m_windowStyle |= wxTE_READONLY;
573 if (style & ES_WANTRETURN)
574 m_windowStyle |= wxTE_PROCESS_ENTER;
e015d1f7
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575 if (style & ES_CENTER)
576 m_windowStyle |= wxTE_CENTRE;
577 if (style & ES_RIGHT)
578 m_windowStyle |= wxTE_RIGHT;
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579}
580
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581WXDWORD wxTextCtrl::MSWGetStyle(long style, WXDWORD *exstyle) const
582{
583 long msStyle = wxControl::MSWGetStyle(style, exstyle);
584
db50ec5a 585 // styles which we alaways add by default
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586 if ( style & wxTE_MULTILINE )
587 {
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588 msStyle |= ES_MULTILINE | ES_WANTRETURN;
589 if ( !(style & wxTE_NO_VSCROLL) )
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590 {
591 // always adjust the vertical scrollbar automatically if we have it
592 msStyle |= WS_VSCROLL | ES_AUTOVSCROLL;
593
34433938 594#if wxUSE_RICHEDIT
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595 // we have to use this style for the rich edit controls because
596 // without it the vertical scrollbar never appears at all in
597 // richedit 3.0 because of our ECO_NOHIDESEL hack (search for it)
598 if ( style & wxTE_RICH2 )
599 {
600 msStyle |= ES_DISABLENOSCROLL;
601 }
34433938 602#endif // wxUSE_RICHEDIT
db50ec5a 603 }
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604
605 style |= wxTE_PROCESS_ENTER;
606 }
607 else // !multiline
608 {
609 // there is really no reason to not have this style for single line
610 // text controls
611 msStyle |= ES_AUTOHSCROLL;
612 }
613
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614 // note that wxTE_DONTWRAP is the same as wxHSCROLL so if we have a horz
615 // scrollbar, there is no wrapping -- which makes sense
616 if ( style & wxTE_DONTWRAP )
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617 {
618 // automatically scroll the control horizontally as necessary
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619 //
620 // NB: ES_AUTOHSCROLL is needed for richedit controls or they don't
621 // show horz scrollbar at all, even in spite of WS_HSCROLL, and as
622 // it doesn't seem to do any harm for plain edit controls, add it
623 // always
624 msStyle |= WS_HSCROLL | ES_AUTOHSCROLL;
db50ec5a 625 }
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626
627 if ( style & wxTE_READONLY )
628 msStyle |= ES_READONLY;
629
630 if ( style & wxTE_PASSWORD )
631 msStyle |= ES_PASSWORD;
632
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633 if ( style & wxTE_NOHIDESEL )
634 msStyle |= ES_NOHIDESEL;
635
db50ec5a 636 // note that we can't do do "& wxTE_LEFT" as wxTE_LEFT == 0
e015d1f7
JS
637 if ( style & wxTE_CENTRE )
638 msStyle |= ES_CENTER;
db50ec5a 639 else if ( style & wxTE_RIGHT )
e015d1f7 640 msStyle |= ES_RIGHT;
db50ec5a 641 else
0376ed54 642 msStyle |= ES_LEFT; // ES_LEFT is 0 as well but for consistency...
e015d1f7 643
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644 return msStyle;
645}
646
647void wxTextCtrl::SetWindowStyleFlag(long style)
648{
66c72081
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649 // changing the alignment of the control dynamically works under Win2003
650 // (but not older Windows version: it seems to work under some versions of
651 // XP but not other ones, and we have no way to determine it so be
652 // conservative here) and only for plain EDIT controls (not RICH ones) and
653 // we have to recreate the control to make it always work
654 if ( IsRich() || wxGetWinVersion() < wxWinVersion_2003 )
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655 {
656 const long alignMask = wxTE_LEFT | wxTE_CENTRE | wxTE_RIGHT;
657 if ( (style & alignMask) != (GetWindowStyle() & alignMask) )
658 {
659 const wxString value = GetValue();
660 const wxPoint pos = GetPosition();
661 const wxSize size = GetSize();
662
663 // delete the old window
664 HWND hwnd = GetHwnd();
665 DissociateHandle();
666 ::DestroyWindow(hwnd);
667
668 // create the new one with the updated flags
669 m_windowStyle = style;
670 MSWCreateText(value, pos, size);
671
672 // and make sure it has the same attributes as before
673 if ( m_hasFont )
674 {
675 // calling SetFont(m_font) would do nothing as the code would
676 // notice that the font didn't change, so force it to believe
677 // that it did
678 wxFont font = m_font;
679 m_font = wxNullFont;
680 SetFont(font);
681 }
682
683 if ( m_hasFgCol )
684 {
685 wxColour colFg = m_foregroundColour;
686 m_foregroundColour = wxNullColour;
687 SetForegroundColour(colFg);
688 }
689
690 if ( m_hasBgCol )
691 {
692 wxColour colBg = m_backgroundColour;
693 m_backgroundColour = wxNullColour;
694 SetBackgroundColour(colBg);
695 }
696
697 // note that text styles are lost but this is probably not a big
698 // problem: if you use styles, you probably don't use nor change
699 // alignment flags anyhow
700
701 return;
702 }
703 }
704
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705#if wxUSE_RICHEDIT
706 // we have to deal with some styles separately because they can't be
707 // changed by simply calling SetWindowLong(GWL_STYLE) but can be changed
708 // using richedit-specific EM_SETOPTIONS
709 if ( IsRich() &&
710 ((style & wxTE_NOHIDESEL) != (GetWindowStyle() & wxTE_NOHIDESEL)) )
711 {
712 bool set = (style & wxTE_NOHIDESEL) != 0;
713
714 ::SendMessage(GetHwnd(), EM_SETOPTIONS, set ? ECOOP_OR : ECOOP_AND,
715 set ? ECO_NOHIDESEL : ~ECO_NOHIDESEL);
716 }
717#endif // wxUSE_RICHEDIT
718
719 wxControl::SetWindowStyleFlag(style);
720}
721
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722// ----------------------------------------------------------------------------
723// set/get the controls text
724// ----------------------------------------------------------------------------
725
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726bool wxTextCtrl::IsEmpty() const
727{
728 // this is an optimization for multiline controls containing a lot of text
729 if ( IsMultiLine() && GetNumberOfLines() != 1 )
730 return false;
731
732 return wxTextCtrlBase::IsEmpty();
733}
734
cd471848 735wxString wxTextCtrl::GetValue() const
2bda0e17 736{
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737 // range 0..-1 is special for GetRange() and means to retrieve all text
738 return GetRange(0, -1);
739}
740
741wxString wxTextCtrl::GetRange(long from, long to) const
742{
743 wxString str;
744
745 if ( from >= to && to != -1 )
746 {
747 // nothing to retrieve
748 return str;
749 }
750
b12915c1 751#if wxUSE_RICHEDIT
aac7e7fe 752 if ( IsRich() )
b12915c1 753 {
3988b155 754 int len = GetWindowTextLength(GetHwnd());
a5aa8086 755 if ( len > from )
3988b155 756 {
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757 if ( to == -1 )
758 to = len;
759
11db7d81 760#if !wxUSE_UNICODE
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761 // we must use EM_STREAMOUT if we don't want to lose all characters
762 // not representable in the current character set (EM_GETTEXTRANGE
763 // simply replaces them with question marks...)
e669d184 764 if ( GetRichVersion() > 1 )
7411f983 765 {
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766 // we must have some encoding, otherwise any 8bit chars in the
767 // control are simply *lost* (replaced by '?')
768 wxFontEncoding encoding = wxFONTENCODING_SYSTEM;
769
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770 wxFont font = m_defaultStyle.GetFont();
771 if ( !font.Ok() )
772 font = GetFont();
773
774 if ( font.Ok() )
775 {
e669d184
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776 encoding = font.GetEncoding();
777 }
778
779 if ( encoding == wxFONTENCODING_SYSTEM )
780 {
781 encoding = wxLocale::GetSystemEncoding();
782 }
783
784 if ( encoding == wxFONTENCODING_SYSTEM )
785 {
786 encoding = wxFONTENCODING_ISO8859_1;
787 }
788
789 str = StreamOut(encoding);
790
791 if ( !str.empty() )
792 {
793 // we have to manually extract the required part, luckily
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794 // this is easy in this case as EOL characters in str are
795 // just LFs because we remove CRs in wxRichEditStreamOut
9ffa7227 796 str = str.Mid(from, to - from);
7411f983
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797 }
798 }
799
800 // StreamOut() wasn't used or failed, try to do it in normal way
801 if ( str.empty() )
11db7d81 802#endif // !wxUSE_UNICODE
de564874
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803 {
804 // alloc one extra WORD as needed by the control
805 wxStringBuffer tmp(str, ++len);
806 wxChar *p = tmp;
b12915c1 807
de564874
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808 TEXTRANGE textRange;
809 textRange.chrg.cpMin = from;
11db7d81 810 textRange.chrg.cpMax = to;
de564874 811 textRange.lpstrText = p;
b12915c1 812
bfbb0b4c
WS
813 (void)::SendMessage(GetHwnd(), EM_GETTEXTRANGE,
814 0, (LPARAM)&textRange);
b12915c1 815
de564874 816 if ( m_verRichEdit > 1 )
a5aa8086 817 {
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818 // RichEdit 2.0 uses just CR ('\r') for the
819 // newlines which is neither Unix nor Windows
820 // style - convert it to something reasonable
821 for ( ; *p; p++ )
822 {
823 if ( *p == _T('\r') )
824 *p = _T('\n');
825 }
a5aa8086 826 }
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827 }
828
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829 if ( m_verRichEdit == 1 )
830 {
831 // convert to the canonical form - see comment below
832 str = wxTextFile::Translate(str, wxTextFileType_Unix);
833 }
3988b155
VZ
834 }
835 //else: no text at all, leave the string empty
b12915c1 836 }
a5aa8086 837 else
b12915c1 838#endif // wxUSE_RICHEDIT
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839 {
840 // retrieve all text
841 str = wxGetWindowText(GetHWND());
b12915c1 842
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843 // need only a range?
844 if ( from < to )
845 {
846 str = str.Mid(from, to - from);
847 }
848
849 // WM_GETTEXT uses standard DOS CR+LF (\r\n) convention - convert to the
850 // canonical one (same one as above) for consistency with the other kinds
851 // of controls and, more importantly, with the other ports
852 str = wxTextFile::Translate(str, wxTextFileType_Unix);
853 }
b12915c1 854
a5aa8086 855 return str;
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856}
857
f6519b40 858void wxTextCtrl::DoSetValue(const wxString& value, int flags)
2bda0e17 859{
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860 // if the text is long enough, it's faster to just set it instead of first
861 // comparing it with the old one (chances are that it will be different
862 // anyhow, this comparison is there to avoid flicker for small single-line
863 // edit controls mostly)
864 if ( (value.length() > 0x400) || (value != GetValue()) )
07cf98cb 865 {
dd1c1631 866 DoWriteText(value, flags /* doesn't include SelectionOnly here */);
bfbb0b4c 867
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868 // mark the control as being not dirty - we changed its text, not the
869 // user
870 DiscardEdits();
871
120249f6
JS
872 // for compatibility, don't move the cursor when doing SetValue()
873 SetInsertionPoint(0);
da32743f 874 }
199fbd70
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875 else // same text
876 {
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877 // still reset the modified flag even if the value didn't really change
878 // because now it comes from the program and not the user (and do it
879 // before generating the event so that the event handler could get the
880 // expected value from IsModified())
881 DiscardEdits();
882
199fbd70 883 // still send an event for consistency
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884 if (flags & SetValue_SendEvent)
885 SendUpdateEvent();
199fbd70 886 }
aac7e7fe 887}
a1b82138 888
0b8e5844 889#if wxUSE_RICHEDIT && (!wxUSE_UNICODE || wxUSE_UNICODE_MSLU)
f6bcfd97 890
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891// TODO: using memcpy() would improve performance a lot for big amounts of text
892
893DWORD CALLBACK
894wxRichEditStreamIn(DWORD dwCookie, BYTE *buf, LONG cb, LONG *pcb)
aac7e7fe
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895{
896 *pcb = 0;
f6bcfd97 897
7411f983
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898 const wchar_t ** const ppws = (const wchar_t **)dwCookie;
899
aac7e7fe 900 wchar_t *wbuf = (wchar_t *)buf;
7411f983 901 const wchar_t *wpc = *ppws;
aac7e7fe
VZ
902 while ( cb && *wpc )
903 {
904 *wbuf++ = *wpc++;
905
906 cb -= sizeof(wchar_t);
907 (*pcb) += sizeof(wchar_t);
07cf98cb 908 }
aac7e7fe 909
7411f983
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910 *ppws = wpc;
911
912 return 0;
913}
914
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915// helper struct used to pass parameters from wxTextCtrl to wxRichEditStreamOut
916struct wxStreamOutData
917{
918 wchar_t *wpc;
919 size_t len;
920};
921
7411f983 922DWORD CALLBACK
975b6bcf 923wxRichEditStreamOut(DWORD_PTR dwCookie, BYTE *buf, LONG cb, LONG *pcb)
7411f983
VZ
924{
925 *pcb = 0;
926
52a9e329 927 wxStreamOutData *data = (wxStreamOutData *)dwCookie;
7411f983
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928
929 const wchar_t *wbuf = (const wchar_t *)buf;
52a9e329
VZ
930 wchar_t *wpc = data->wpc;
931 while ( cb )
7411f983 932 {
52a9e329
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933 wchar_t wch = *wbuf++;
934
935 // turn "\r\n" into "\n" on the fly
936 if ( wch != L'\r' )
937 *wpc++ = wch;
938 else
939 data->len--;
7411f983
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940
941 cb -= sizeof(wchar_t);
942 (*pcb) += sizeof(wchar_t);
943 }
944
52a9e329 945 data->wpc = wpc;
aac7e7fe
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946
947 return 0;
2bda0e17
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948}
949
7411f983 950
0b8e5844 951#if wxUSE_UNICODE_MSLU
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952 #define UNUSED_IF_MSLU(param)
953#else
954 #define UNUSED_IF_MSLU(param) param
955#endif
956
957bool
958wxTextCtrl::StreamIn(const wxString& value,
959 wxFontEncoding UNUSED_IF_MSLU(encoding),
960 bool selectionOnly)
0b8e5844 961{
7411f983 962#if wxUSE_UNICODE_MSLU
0b8e5844 963 const wchar_t *wpc = value.c_str();
79d26b32 964#else // !wxUSE_UNICODE_MSLU
6a983211 965 wxCSConv conv(encoding);
aac7e7fe 966
414721d0 967 const size_t len = conv.MB2WC(NULL, value.mb_str(), value.length());
855d6be7
VZ
968
969#if wxUSE_WCHAR_T
aac7e7fe 970 wxWCharBuffer wchBuf(len);
6a983211 971 wchar_t *wpc = wchBuf.data();
855d6be7
VZ
972#else
973 wchar_t *wchBuf = (wchar_t *)malloc((len + 1)*sizeof(wchar_t));
6a983211 974 wchar_t *wpc = wchBuf;
855d6be7
VZ
975#endif
976
414721d0 977 conv.MB2WC(wpc, value.mb_str(), value.length());
0b8e5844 978#endif // wxUSE_UNICODE_MSLU
aac7e7fe 979
6a983211 980 // finally, stream it in the control
aac7e7fe
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981 EDITSTREAM eds;
982 wxZeroMemory(eds);
983 eds.dwCookie = (DWORD)&wpc;
7a25a27c
VZ
984 // the cast below is needed for broken (very) old mingw32 headers
985 eds.pfnCallback = (EDITSTREAMCALLBACK)wxRichEditStreamIn;
92209a39 986
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987 // same problem as in DoWriteText(): we can get multiple events here
988 UpdatesCountFilter ucf(m_updatesCount);
2b5f62a0 989
07601f59
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990 ::SendMessage(GetHwnd(), EM_STREAMIN,
991 SF_TEXT |
992 SF_UNICODE |
993 (selectionOnly ? SFF_SELECTION : 0),
994 (LPARAM)&eds);
995
fa31aeda
RD
996 // It's okay for EN_UPDATE to not be sent if the selection is empty and
997 // the text is empty, otherwise warn the programmer about it.
998 wxASSERT_MSG( ucf.GotUpdate() || ( !HasSelection() && value.empty() ),
999 _T("EM_STREAMIN didn't send EN_UPDATE?") );
2c62dd25 1000
07601f59 1001 if ( eds.dwError )
aac7e7fe
VZ
1002 {
1003 wxLogLastError(_T("EM_STREAMIN"));
aac7e7fe
VZ
1004 }
1005
855d6be7
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1006#if !wxUSE_WCHAR_T
1007 free(wchBuf);
1008#endif // !wxUSE_WCHAR_T
1009
bfbb0b4c 1010 return true;
aac7e7fe
VZ
1011}
1012
7411f983
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1013#if !wxUSE_UNICODE_MSLU
1014
1015wxString
1016wxTextCtrl::StreamOut(wxFontEncoding encoding, bool selectionOnly) const
1017{
1018 wxString out;
1019
1020 const int len = GetWindowTextLength(GetHwnd());
1021
1022#if wxUSE_WCHAR_T
1023 wxWCharBuffer wchBuf(len);
1024 wchar_t *wpc = wchBuf.data();
1025#else
1026 wchar_t *wchBuf = (wchar_t *)malloc((len + 1)*sizeof(wchar_t));
1027 wchar_t *wpc = wchBuf;
1028#endif
1029
52a9e329
VZ
1030 wxStreamOutData data;
1031 data.wpc = wpc;
1032 data.len = len;
1033
7411f983
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1034 EDITSTREAM eds;
1035 wxZeroMemory(eds);
52a9e329 1036 eds.dwCookie = (DWORD)&data;
7411f983
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1037 eds.pfnCallback = wxRichEditStreamOut;
1038
1039 ::SendMessage
1040 (
1041 GetHwnd(),
1042 EM_STREAMOUT,
1043 SF_TEXT | SF_UNICODE | (selectionOnly ? SFF_SELECTION : 0),
1044 (LPARAM)&eds
1045 );
1046
1047 if ( eds.dwError )
1048 {
1049 wxLogLastError(_T("EM_STREAMOUT"));
1050 }
1051 else // streamed out ok
1052 {
52a9e329
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1053 // NUL-terminate the string because its length could have been
1054 // decreased by wxRichEditStreamOut
1055 *(wchBuf.data() + data.len) = L'\0';
1056
b26613c2
VZ
1057 // now convert to the given encoding (this is a possibly lossful
1058 // conversion but what else can we do)
7411f983 1059 wxCSConv conv(encoding);
b26613c2
VZ
1060 size_t lenNeeded = conv.WC2MB(NULL, wchBuf, 0);
1061 if ( lenNeeded++ )
7411f983 1062 {
b26613c2 1063 conv.WC2MB(wxStringBuffer(out, lenNeeded), wchBuf, lenNeeded);
7411f983
VZ
1064 }
1065 }
1066
1067#if !wxUSE_WCHAR_T
1068 free(wchBuf);
1069#endif // !wxUSE_WCHAR_T
1070
1071 return out;
1072}
1073
1074#endif // !wxUSE_UNICODE_MSLU
1075
aac7e7fe
VZ
1076#endif // wxUSE_RICHEDIT
1077
a1b82138 1078void wxTextCtrl::WriteText(const wxString& value)
79d26b32
VZ
1079{
1080 DoWriteText(value);
1081}
1082
f6519b40 1083void wxTextCtrl::DoWriteText(const wxString& value, int flags)
2bda0e17 1084{
f6519b40 1085 bool selectionOnly = (flags & SetValue_SelectionOnly) != 0;
a5aa8086
VZ
1086 wxString valueDos;
1087 if ( m_windowStyle & wxTE_MULTILINE )
1088 valueDos = wxTextFile::Translate(value, wxTextFileType_Dos);
1089 else
1090 valueDos = value;
2bda0e17 1091
4bc1afd5 1092#if wxUSE_RICHEDIT
aac7e7fe 1093 // there are several complications with the rich edit controls here
bfbb0b4c 1094 bool done = false;
aac7e7fe 1095 if ( IsRich() )
4bc1afd5 1096 {
aac7e7fe
VZ
1097 // first, ensure that the new text will be in the default style
1098 if ( !m_defaultStyle.IsDefault() )
1099 {
1100 long start, end;
1101 GetSelection(&start, &end);
0b8e5844
VS
1102 SetStyle(start, end, m_defaultStyle);
1103 }
1104
1105#if wxUSE_UNICODE_MSLU
1106 // RichEdit doesn't have Unicode version of EM_REPLACESEL on Win9x,
1107 // but EM_STREAMIN works
136cb3c7 1108 if ( wxUsingUnicowsDll() && GetRichVersion() > 1 )
0b8e5844 1109 {
79d26b32 1110 done = StreamIn(valueDos, wxFONTENCODING_SYSTEM, selectionOnly);
aac7e7fe 1111 }
0b8e5844 1112#endif // wxUSE_UNICODE_MSLU
aac7e7fe 1113
b4da152e 1114#if !wxUSE_UNICODE
aac7e7fe
VZ
1115 // next check if the text we're inserting must be shown in a non
1116 // default charset -- this only works for RichEdit > 1.0
1117 if ( GetRichVersion() > 1 )
1118 {
1119 wxFont font = m_defaultStyle.GetFont();
1120 if ( !font.Ok() )
1121 font = GetFont();
1122
1123 if ( font.Ok() )
1124 {
1125 wxFontEncoding encoding = font.GetEncoding();
1126 if ( encoding != wxFONTENCODING_SYSTEM )
1127 {
6a983211
VZ
1128 // we have to use EM_STREAMIN to force richedit control 2.0+
1129 // to show any text in the non default charset -- otherwise
1130 // it thinks it knows better than we do and always shows it
1131 // in the default one
79d26b32 1132 done = StreamIn(valueDos, encoding, selectionOnly);
aac7e7fe
VZ
1133 }
1134 }
1135 }
9d7de3c2 1136#endif // !wxUSE_UNICODE
4bc1afd5 1137 }
4bc1afd5 1138
aac7e7fe
VZ
1139 if ( !done )
1140#endif // wxUSE_RICHEDIT
1141 {
2b5f62a0 1142 // in some cases we get 2 EN_CHANGE notifications after the SendMessage
2c62dd25
VZ
1143 // call (this happens for plain EDITs with EM_REPLACESEL and under some
1144 // -- undetermined -- conditions with rich edit) and sometimes we don't
1145 // get any events at all (plain EDIT with WM_SETTEXT), so ensure that
1146 // we generate exactly one of them by ignoring all but the first one in
1147 // SendUpdateEvent() and generating one ourselves if we hadn't got any
1148 // notifications from Windows
f6519b40
VZ
1149 if ( !(flags & SetValue_SendEvent) )
1150 m_updatesCount = -2; // suppress any update event
1151
2c62dd25 1152 UpdatesCountFilter ucf(m_updatesCount);
79d26b32 1153
5036ea90 1154 ::SendMessage(GetHwnd(), selectionOnly ? EM_REPLACESEL : WM_SETTEXT,
6e9e2d94 1155 // EM_REPLACESEL takes 1 to indicate the operation should be redoable
c9f78968 1156 selectionOnly ? 1 : 0, (LPARAM)valueDos.wx_str());
2b5f62a0 1157
f6519b40 1158 if ( !ucf.GotUpdate() && (flags & SetValue_SendEvent) )
2b5f62a0 1159 {
2c62dd25 1160 SendUpdateEvent();
2b5f62a0 1161 }
aac7e7fe 1162 }
2bda0e17
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1163}
1164
a1b82138
VZ
1165void wxTextCtrl::AppendText(const wxString& text)
1166{
1167 SetInsertionPointEnd();
aac7e7fe 1168
a1b82138 1169 WriteText(text);
2b5f62a0
VZ
1170
1171#if wxUSE_RICHEDIT
caea50ac
VZ
1172 // don't do this if we're frozen, saves some time
1173 if ( !IsFrozen() && IsMultiLine() && GetRichVersion() > 1 )
2b5f62a0
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1174 {
1175 // setting the caret to the end and showing it simply doesn't work for
1176 // RichEdit 2.0 -- force it to still do what we want
1177 ::SendMessage(GetHwnd(), EM_LINESCROLL, 0, GetNumberOfLines());
1178 }
1179#endif // wxUSE_RICHEDIT
a1b82138
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1180}
1181
1182void wxTextCtrl::Clear()
1183{
fda7962d 1184 ::SetWindowText(GetHwnd(), wxEmptyString);
5036ea90
VZ
1185
1186#if wxUSE_RICHEDIT
1187 if ( !IsRich() )
1188#endif // wxUSE_RICHEDIT
1189 {
1190 // rich edit controls send EN_UPDATE from WM_SETTEXT handler themselves
1191 // but the normal ones don't -- make Clear() behaviour consistent by
1192 // always sending this event
8d1e36f7
JS
1193
1194 // Windows already sends an update event for single-line
1195 // controls.
1196 if ( m_windowStyle & wxTE_MULTILINE )
1197 SendUpdateEvent();
5036ea90 1198 }
a1b82138
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1199}
1200
94af7d45
VZ
1201#ifdef __WIN32__
1202
1203bool wxTextCtrl::EmulateKeyPress(const wxKeyEvent& event)
1204{
1205 SetFocus();
1206
1207 size_t lenOld = GetValue().length();
1208
1209 wxUint32 code = event.GetRawKeyCode();
5c519b6c
WS
1210 ::keybd_event((BYTE)code, 0, 0 /* key press */, 0);
1211 ::keybd_event((BYTE)code, 0, KEYEVENTF_KEYUP, 0);
94af7d45
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1212
1213 // assume that any alphanumeric key changes the total number of characters
1214 // in the control - this should work in 99% of cases
1215 return GetValue().length() != lenOld;
1216}
1217
1218#endif // __WIN32__
1219
a1b82138 1220// ----------------------------------------------------------------------------
2bda0e17 1221// Clipboard operations
a1b82138
VZ
1222// ----------------------------------------------------------------------------
1223
cd471848 1224void wxTextCtrl::Copy()
2bda0e17 1225{
e702ff0f
JS
1226 if (CanCopy())
1227 {
a5aa8086 1228 ::SendMessage(GetHwnd(), WM_COPY, 0, 0L);
e702ff0f 1229 }
2bda0e17
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1230}
1231
cd471848 1232void wxTextCtrl::Cut()
2bda0e17 1233{
e702ff0f
JS
1234 if (CanCut())
1235 {
a5aa8086 1236 ::SendMessage(GetHwnd(), WM_CUT, 0, 0L);
e702ff0f 1237 }
2bda0e17
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1238}
1239
cd471848 1240void wxTextCtrl::Paste()
2bda0e17 1241{
e702ff0f
JS
1242 if (CanPaste())
1243 {
a5aa8086 1244 ::SendMessage(GetHwnd(), WM_PASTE, 0, 0L);
e702ff0f 1245 }
2bda0e17
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1246}
1247
2b5f62a0 1248bool wxTextCtrl::HasSelection() const
a1b82138 1249{
a1b82138 1250 long from, to;
a5aa8086
VZ
1251 GetSelection(&from, &to);
1252 return from != to;
a1b82138
VZ
1253}
1254
2b5f62a0
VZ
1255bool wxTextCtrl::CanCopy() const
1256{
1257 // Can copy if there's a selection
1258 return HasSelection();
1259}
1260
a1b82138
VZ
1261bool wxTextCtrl::CanCut() const
1262{
a5aa8086 1263 return CanCopy() && IsEditable();
a1b82138
VZ
1264}
1265
1266bool wxTextCtrl::CanPaste() const
1267{
aac7e7fe 1268 if ( !IsEditable() )
bfbb0b4c 1269 return false;
aac7e7fe 1270
a1b82138 1271#if wxUSE_RICHEDIT
aac7e7fe 1272 if ( IsRich() )
a1b82138 1273 {
aac7e7fe
VZ
1274 UINT cf = 0; // 0 == any format
1275
1276 return ::SendMessage(GetHwnd(), EM_CANPASTE, cf, 0) != 0;
a1b82138 1277 }
aac7e7fe 1278#endif // wxUSE_RICHEDIT
a1b82138
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1279
1280 // Standard edit control: check for straight text on clipboard
aac7e7fe 1281 if ( !::OpenClipboard(GetHwndOf(wxTheApp->GetTopWindow())) )
bfbb0b4c 1282 return false;
aac7e7fe
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1283
1284 bool isTextAvailable = ::IsClipboardFormatAvailable(CF_TEXT) != 0;
1285 ::CloseClipboard();
a1b82138
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1286
1287 return isTextAvailable;
1288}
1289
1290// ----------------------------------------------------------------------------
1291// Accessors
1292// ----------------------------------------------------------------------------
1293
debe6624 1294void wxTextCtrl::SetEditable(bool editable)
2bda0e17 1295{
a1b82138 1296 HWND hWnd = GetHwnd();
bfbb0b4c 1297 ::SendMessage(hWnd, EM_SETREADONLY, (WPARAM)!editable, (LPARAM)0L);
2bda0e17
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1298}
1299
debe6624 1300void wxTextCtrl::SetInsertionPoint(long pos)
2bda0e17 1301{
a5aa8086 1302 DoSetSelection(pos, pos);
2bda0e17
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1303}
1304
cd471848 1305void wxTextCtrl::SetInsertionPointEnd()
2bda0e17 1306{
a9d3434a
VZ
1307 // we must not do anything if the caret is already there because calling
1308 // SetInsertionPoint() thaws the controls if Freeze() had been called even
1309 // if it doesn't actually move the caret anywhere and so the simple fact of
1310 // doing it results in horrible flicker when appending big amounts of text
1311 // to the control in a few chunks (see DoAddText() test in the text sample)
37f11dee
VZ
1312 const wxTextPos lastPosition = GetLastPosition();
1313 if ( GetInsertionPoint() == lastPosition )
caea50ac 1314 {
a9d3434a 1315 return;
caea50ac 1316 }
a9d3434a 1317
a5aa8086
VZ
1318 long pos;
1319
1320#if wxUSE_RICHEDIT
1321 if ( m_verRichEdit == 1 )
1322 {
1323 // we don't have to waste time calling GetLastPosition() in this case
1324 pos = -1;
1325 }
1326 else // !RichEdit 1.0
1327#endif // wxUSE_RICHEDIT
1328 {
37f11dee 1329 pos = lastPosition;
a5aa8086
VZ
1330 }
1331
a1b82138 1332 SetInsertionPoint(pos);
2bda0e17
KB
1333}
1334
cd471848 1335long wxTextCtrl::GetInsertionPoint() const
2bda0e17 1336{
57c208c5 1337#if wxUSE_RICHEDIT
aac7e7fe 1338 if ( IsRich() )
a1b82138
VZ
1339 {
1340 CHARRANGE range;
1341 range.cpMin = 0;
1342 range.cpMax = 0;
bfbb0b4c 1343 ::SendMessage(GetHwnd(), EM_EXGETSEL, 0, (LPARAM) &range);
a1b82138
VZ
1344 return range.cpMin;
1345 }
aac7e7fe 1346#endif // wxUSE_RICHEDIT
2bda0e17 1347
bfbb0b4c 1348 DWORD Pos = (DWORD)::SendMessage(GetHwnd(), EM_GETSEL, 0, 0L);
a1b82138 1349 return Pos & 0xFFFF;
2bda0e17
KB
1350}
1351
7d8268a1 1352wxTextPos wxTextCtrl::GetLastPosition() const
2bda0e17 1353{
a5aa8086
VZ
1354 int numLines = GetNumberOfLines();
1355 long posStartLastLine = XYToPosition(0, numLines - 1);
39136494 1356
a5aa8086 1357 long lenLastLine = GetLengthOfLineContainingPos(posStartLastLine);
2bda0e17 1358
a5aa8086 1359 return posStartLastLine + lenLastLine;
2bda0e17
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1360}
1361
a1b82138
VZ
1362// If the return values from and to are the same, there is no
1363// selection.
1364void wxTextCtrl::GetSelection(long* from, long* to) const
1365{
1366#if wxUSE_RICHEDIT
aac7e7fe 1367 if ( IsRich() )
a1b82138
VZ
1368 {
1369 CHARRANGE charRange;
aac7e7fe 1370 ::SendMessage(GetHwnd(), EM_EXGETSEL, 0, (LPARAM) &charRange);
a1b82138
VZ
1371
1372 *from = charRange.cpMin;
1373 *to = charRange.cpMax;
a1b82138 1374 }
4bc1afd5 1375 else
aac7e7fe 1376#endif // !wxUSE_RICHEDIT
4bc1afd5
VZ
1377 {
1378 DWORD dwStart, dwEnd;
aac7e7fe 1379 ::SendMessage(GetHwnd(), EM_GETSEL, (WPARAM)&dwStart, (LPARAM)&dwEnd);
a1b82138 1380
4bc1afd5
VZ
1381 *from = dwStart;
1382 *to = dwEnd;
1383 }
a1b82138
VZ
1384}
1385
1386bool wxTextCtrl::IsEditable() const
1387{
51c14c62
VZ
1388 // strangely enough, we may be called before the control is created: our
1389 // own Create() calls MSWGetStyle() which calls AcceptsFocus() which calls
1390 // us
1391 if ( !m_hWnd )
bfbb0b4c 1392 return true;
51c14c62 1393
a1b82138
VZ
1394 long style = ::GetWindowLong(GetHwnd(), GWL_STYLE);
1395
a5aa8086 1396 return (style & ES_READONLY) == 0;
a1b82138
VZ
1397}
1398
1399// ----------------------------------------------------------------------------
aac7e7fe 1400// selection
a1b82138
VZ
1401// ----------------------------------------------------------------------------
1402
aac7e7fe 1403void wxTextCtrl::SetSelection(long from, long to)
2bda0e17 1404{
77ffb593 1405 // if from and to are both -1, it means (in wxWidgets) that all text should
aac7e7fe
VZ
1406 // be selected - translate into Windows convention
1407 if ( (from == -1) && (to == -1) )
1408 {
1409 from = 0;
1410 to = -1;
1411 }
1412
a5aa8086
VZ
1413 DoSetSelection(from, to);
1414}
1415
1416void wxTextCtrl::DoSetSelection(long from, long to, bool scrollCaret)
1417{
789295bf 1418 HWND hWnd = GetHwnd();
39136494 1419
aac7e7fe
VZ
1420#if wxUSE_RICHEDIT
1421 if ( IsRich() )
1422 {
db50ec5a
VZ
1423 CHARRANGE range;
1424 range.cpMin = from;
1425 range.cpMax = to;
bfbb0b4c 1426 ::SendMessage(hWnd, EM_EXSETSEL, 0, (LPARAM) &range);
db50ec5a
VZ
1427 }
1428 else
1429#endif // wxUSE_RICHEDIT
1430 {
bfbb0b4c 1431 ::SendMessage(hWnd, EM_SETSEL, (WPARAM)from, (LPARAM)to);
db50ec5a
VZ
1432 }
1433
caea50ac 1434 if ( scrollCaret && !IsFrozen() )
db50ec5a
VZ
1435 {
1436#if wxUSE_RICHEDIT
98e19a58
VZ
1437 // richedit 3.0 (i.e. the version living in riched20.dll distributed
1438 // with Windows 2000 and beyond) doesn't honour EM_SCROLLCARET when
1439 // emulating richedit 2.0 unless the control has focus or ECO_NOHIDESEL
1440 // option is set (but it does work ok in richedit 1.0 mode...)
1441 //
1442 // so to make it work we either need to give focus to it here which
1443 // will probably create many problems (dummy focus events; window
1444 // containing the text control being brought to foreground
1445 // unexpectedly; ...) or to temporarily set ECO_NOHIDESEL which may
db50ec5a
VZ
1446 // create other problems too -- and in fact it does because if we turn
1447 // on/off this style while appending the text to the control, the
1448 // vertical scrollbar never appears in it even if we append tons of
1449 // text and to work around this the only solution I found was to use
1450 // ES_DISABLENOSCROLL
1451 //
1452 // this is very ugly but I don't see any other way to make this work
b7a3ba7d 1453 long style = 0;
98e19a58
VZ
1454 if ( GetRichVersion() > 1 )
1455 {
1456 if ( !HasFlag(wxTE_NOHIDESEL) )
1457 {
b7a3ba7d
JG
1458 // setting ECO_NOHIDESEL also sets WS_VISIBLE and possibly
1459 // others, remember the style so we can reset it later if needed
1460 style = ::GetWindowLong(GetHwnd(), GWL_STYLE);
98e19a58
VZ
1461 ::SendMessage(GetHwnd(), EM_SETOPTIONS,
1462 ECOOP_OR, ECO_NOHIDESEL);
1463 }
1464 //else: everything is already ok
1465 }
aac7e7fe 1466#endif // wxUSE_RICHEDIT
a1b82138 1467
bfbb0b4c 1468 ::SendMessage(hWnd, EM_SCROLLCARET, (WPARAM)0, (LPARAM)0);
98e19a58
VZ
1469
1470#if wxUSE_RICHEDIT
db50ec5a
VZ
1471 // restore ECO_NOHIDESEL if we changed it
1472 if ( GetRichVersion() > 1 && !HasFlag(wxTE_NOHIDESEL) )
1473 {
1474 ::SendMessage(GetHwnd(), EM_SETOPTIONS,
1475 ECOOP_AND, ~ECO_NOHIDESEL);
b7a3ba7d
JG
1476 if ( style != ::GetWindowLong(GetHwnd(), GWL_STYLE) )
1477 ::SetWindowLong(GetHwnd(), GWL_STYLE, style);
db50ec5a 1478 }
98e19a58 1479#endif // wxUSE_RICHEDIT
db50ec5a 1480 }
aac7e7fe
VZ
1481}
1482
efe66bbc
VZ
1483// ----------------------------------------------------------------------------
1484// Working with files
1485// ----------------------------------------------------------------------------
1486
3306aec1 1487bool wxTextCtrl::DoLoadFile(const wxString& file, int fileType)
efe66bbc 1488{
3306aec1 1489 if ( wxTextCtrlBase::DoLoadFile(file, fileType) )
efe66bbc
VZ
1490 {
1491 // update the size limit if needed
1492 AdjustSpaceLimit();
1493
bfbb0b4c 1494 return true;
efe66bbc
VZ
1495 }
1496
bfbb0b4c 1497 return false;
efe66bbc
VZ
1498}
1499
aac7e7fe
VZ
1500// ----------------------------------------------------------------------------
1501// Editing
1502// ----------------------------------------------------------------------------
39136494 1503
aac7e7fe
VZ
1504void wxTextCtrl::Replace(long from, long to, const wxString& value)
1505{
1506 // Set selection and remove it
bfbb0b4c 1507 DoSetSelection(from, to, false /* don't scroll caret into view */);
aac7e7fe 1508
dd1c1631 1509 DoWriteText(value);
aac7e7fe
VZ
1510}
1511
1512void wxTextCtrl::Remove(long from, long to)
1513{
fda7962d 1514 Replace(from, to, wxEmptyString);
2bda0e17
KB
1515}
1516
cd471848 1517bool wxTextCtrl::IsModified() const
2bda0e17 1518{
bfbb0b4c 1519 return ::SendMessage(GetHwnd(), EM_GETMODIFY, 0, 0) != 0;
2bda0e17
KB
1520}
1521
3a9fa0d6
VZ
1522void wxTextCtrl::MarkDirty()
1523{
bfbb0b4c 1524 ::SendMessage(GetHwnd(), EM_SETMODIFY, TRUE, 0L);
3a9fa0d6
VZ
1525}
1526
cd471848 1527void wxTextCtrl::DiscardEdits()
2bda0e17 1528{
bfbb0b4c 1529 ::SendMessage(GetHwnd(), EM_SETMODIFY, FALSE, 0L);
2bda0e17
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1530}
1531
cd471848 1532int wxTextCtrl::GetNumberOfLines() const
2bda0e17 1533{
bfbb0b4c 1534 return (int)::SendMessage(GetHwnd(), EM_GETLINECOUNT, (WPARAM)0, (LPARAM)0);
2bda0e17
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1535}
1536
efe66bbc
VZ
1537// ----------------------------------------------------------------------------
1538// Positions <-> coords
1539// ----------------------------------------------------------------------------
1540
debe6624 1541long wxTextCtrl::XYToPosition(long x, long y) const
2bda0e17 1542{
2bda0e17 1543 // This gets the char index for the _beginning_ of this line
bfbb0b4c 1544 long charIndex = ::SendMessage(GetHwnd(), EM_LINEINDEX, (WPARAM)y, (LPARAM)0);
a5aa8086
VZ
1545
1546 return charIndex + x;
2bda0e17
KB
1547}
1548
0efe5ba7 1549bool wxTextCtrl::PositionToXY(long pos, long *x, long *y) const
2bda0e17 1550{
789295bf 1551 HWND hWnd = GetHwnd();
2bda0e17
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1552
1553 // This gets the line number containing the character
a5aa8086 1554 long lineNo;
0efe5ba7 1555#if wxUSE_RICHEDIT
aac7e7fe 1556 if ( IsRich() )
0efe5ba7 1557 {
bfbb0b4c 1558 lineNo = ::SendMessage(hWnd, EM_EXLINEFROMCHAR, 0, (LPARAM)pos);
0efe5ba7
VZ
1559 }
1560 else
1561#endif // wxUSE_RICHEDIT
a5aa8086 1562 {
bfbb0b4c 1563 lineNo = ::SendMessage(hWnd, EM_LINEFROMCHAR, (WPARAM)pos, 0);
a5aa8086 1564 }
0efe5ba7
VZ
1565
1566 if ( lineNo == -1 )
1567 {
1568 // no such line
bfbb0b4c 1569 return false;
0efe5ba7
VZ
1570 }
1571
2bda0e17 1572 // This gets the char index for the _beginning_ of this line
bfbb0b4c 1573 long charIndex = ::SendMessage(hWnd, EM_LINEINDEX, (WPARAM)lineNo, (LPARAM)0);
0efe5ba7
VZ
1574 if ( charIndex == -1 )
1575 {
bfbb0b4c 1576 return false;
0efe5ba7
VZ
1577 }
1578
2bda0e17 1579 // The X position must therefore be the different between pos and charIndex
0efe5ba7 1580 if ( x )
a5aa8086 1581 *x = pos - charIndex;
0efe5ba7 1582 if ( y )
a5aa8086 1583 *y = lineNo;
0efe5ba7 1584
bfbb0b4c 1585 return true;
2bda0e17
KB
1586}
1587
efe66bbc 1588wxTextCtrlHitTestResult
6726a6b0 1589wxTextCtrl::HitTest(const wxPoint& pt, long *posOut) const
efe66bbc
VZ
1590{
1591 // first get the position from Windows
1592 LPARAM lParam;
1593
1594#if wxUSE_RICHEDIT
1595 POINTL ptl;
1596 if ( IsRich() )
1597 {
1598 // for rich edit controls the position is passed iva the struct fields
1599 ptl.x = pt.x;
1600 ptl.y = pt.y;
1601 lParam = (LPARAM)&ptl;
1602 }
1603 else
1604#endif // wxUSE_RICHEDIT
1605 {
1606 // for the plain ones, we are limited to 16 bit positions which are
1607 // combined in a single 32 bit value
1608 lParam = MAKELPARAM(pt.x, pt.y);
1609 }
1610
bfbb0b4c 1611 LRESULT pos = ::SendMessage(GetHwnd(), EM_CHARFROMPOS, 0, lParam);
efe66bbc
VZ
1612
1613 if ( pos == -1 )
1614 {
1615 // this seems to indicate an error...
1616 return wxTE_HT_UNKNOWN;
1617 }
1618
1619#if wxUSE_RICHEDIT
1620 if ( !IsRich() )
1621#endif // wxUSE_RICHEDIT
1622 {
1623 // for plain EDIT controls the higher word contains something else
1624 pos = LOWORD(pos);
1625 }
1626
1627
1628 // next determine where it is relatively to our point: EM_CHARFROMPOS
1629 // always returns the closest character but we need to be more precise, so
1630 // double check that we really are where it pretends
1631 POINTL ptReal;
1632
1633#if wxUSE_RICHEDIT
1634 // FIXME: we need to distinguish between richedit 2 and 3 here somehow but
1635 // we don't know how to do it
1636 if ( IsRich() )
1637 {
bfbb0b4c 1638 ::SendMessage(GetHwnd(), EM_POSFROMCHAR, (WPARAM)&ptReal, pos);
efe66bbc
VZ
1639 }
1640 else
1641#endif // wxUSE_RICHEDIT
1642 {
bfbb0b4c 1643 LRESULT lRc = ::SendMessage(GetHwnd(), EM_POSFROMCHAR, pos, 0);
efe66bbc
VZ
1644
1645 if ( lRc == -1 )
1646 {
1647 // this is apparently returned when pos corresponds to the last
1648 // position
1649 ptReal.x =
1650 ptReal.y = 0;
1651 }
1652 else
1653 {
1654 ptReal.x = LOWORD(lRc);
1655 ptReal.y = HIWORD(lRc);
1656 }
1657 }
1658
1659 wxTextCtrlHitTestResult rc;
1660
1661 if ( pt.y > ptReal.y + GetCharHeight() )
1662 rc = wxTE_HT_BELOW;
1663 else if ( pt.x > ptReal.x + GetCharWidth() )
1664 rc = wxTE_HT_BEYOND;
1665 else
1666 rc = wxTE_HT_ON_TEXT;
1667
6726a6b0
VZ
1668 if ( posOut )
1669 *posOut = pos;
efe66bbc
VZ
1670
1671 return rc;
1672}
1673
1674// ----------------------------------------------------------------------------
bfbb0b4c 1675//
efe66bbc
VZ
1676// ----------------------------------------------------------------------------
1677
debe6624 1678void wxTextCtrl::ShowPosition(long pos)
2bda0e17 1679{
789295bf 1680 HWND hWnd = GetHwnd();
2bda0e17
KB
1681
1682 // To scroll to a position, we pass the number of lines and characters
1683 // to scroll *by*. This means that we need to:
1684 // (1) Find the line position of the current line.
1685 // (2) Find the line position of pos.
1686 // (3) Scroll by (pos - current).
1687 // For now, ignore the horizontal scrolling.
1688
1689 // Is this where scrolling is relative to - the line containing the caret?
1690 // Or is the first visible line??? Try first visible line.
bfbb0b4c 1691// int currentLineLineNo1 = (int)::SendMessage(hWnd, EM_LINEFROMCHAR, (WPARAM)-1, (LPARAM)0L);
2bda0e17 1692
bfbb0b4c 1693 int currentLineLineNo = (int)::SendMessage(hWnd, EM_GETFIRSTVISIBLELINE, (WPARAM)0, (LPARAM)0L);
2bda0e17 1694
bfbb0b4c 1695 int specifiedLineLineNo = (int)::SendMessage(hWnd, EM_LINEFROMCHAR, (WPARAM)pos, (LPARAM)0L);
39136494 1696
2bda0e17
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1697 int linesToScroll = specifiedLineLineNo - currentLineLineNo;
1698
2bda0e17 1699 if (linesToScroll != 0)
bfbb0b4c 1700 (void)::SendMessage(hWnd, EM_LINESCROLL, (WPARAM)0, (LPARAM)linesToScroll);
2bda0e17
KB
1701}
1702
a5aa8086
VZ
1703long wxTextCtrl::GetLengthOfLineContainingPos(long pos) const
1704{
1705 return ::SendMessage(GetHwnd(), EM_LINELENGTH, (WPARAM)pos, 0);
1706}
1707
debe6624 1708int wxTextCtrl::GetLineLength(long lineNo) const
2bda0e17 1709{
a5aa8086
VZ
1710 long pos = XYToPosition(0, lineNo);
1711
1712 return GetLengthOfLineContainingPos(pos);
2bda0e17
KB
1713}
1714
debe6624 1715wxString wxTextCtrl::GetLineText(long lineNo) const
2bda0e17 1716{
a1b82138 1717 size_t len = (size_t)GetLineLength(lineNo) + 1;
488fe1fe 1718
f6bcfd97
BP
1719 // there must be at least enough place for the length WORD in the
1720 // buffer
1721 len += sizeof(WORD);
4438caf4 1722
f6bcfd97 1723 wxString str;
de564874
MB
1724 {
1725 wxStringBufferLength tmp(str, len);
1726 wxChar *buf = tmp;
1727
1728 *(WORD *)buf = (WORD)len;
60ab0c52
VZ
1729 len = (size_t)::SendMessage(GetHwnd(), EM_GETLINE, lineNo, (LPARAM)buf);
1730
1731#if wxUSE_RICHEDIT
1732 if ( IsRich() )
1733 {
1734 // remove the '\r' returned by the rich edit control, the user code
1735 // should never see it
1736 if ( buf[len - 2] == _T('\r') && buf[len - 1] == _T('\n') )
1737 {
e1ef6b5d
VZ
1738 // richedit 1.0 uses "\r\n" as line terminator, so remove "\r"
1739 // here and "\n" below
60ab0c52
VZ
1740 buf[len - 2] = _T('\n');
1741 len--;
1742 }
e1ef6b5d
VZ
1743 else if ( buf[len - 1] == _T('\r') )
1744 {
1745 // richedit 2.0+ uses only "\r", replace it with "\n"
1746 buf[len - 1] = _T('\n');
1747 }
60ab0c52
VZ
1748 }
1749#endif // wxUSE_RICHEDIT
1750
8f387d13
VZ
1751 // remove the '\n' at the end, if any (this is how this function is
1752 // supposed to work according to the docs)
1753 if ( buf[len - 1] == _T('\n') )
1754 {
1755 len--;
1756 }
1757
de564874
MB
1758 buf[len] = 0;
1759 tmp.SetLength(len);
1760 }
4438caf4
VZ
1761
1762 return str;
2bda0e17
KB
1763}
1764
d7eee191
VZ
1765void wxTextCtrl::SetMaxLength(unsigned long len)
1766{
4a82116e 1767#if wxUSE_RICHEDIT
4fa80851
VZ
1768 if ( IsRich() )
1769 {
1770 ::SendMessage(GetHwnd(), EM_EXLIMITTEXT, 0, len ? len : 0x7fffffff);
1771 }
4a82116e 1772 else
4fa80851
VZ
1773#endif // wxUSE_RICHEDIT
1774 {
1775 if ( len >= 0xffff )
1776 {
1777 // this will set it to a platform-dependent maximum (much more
1778 // than 64Kb under NT)
1779 len = 0;
1780 }
1781
1782 ::SendMessage(GetHwnd(), EM_LIMITTEXT, len, 0);
1783 }
d7eee191
VZ
1784}
1785
a1b82138 1786// ----------------------------------------------------------------------------
ca8b28f2 1787// Undo/redo
a1b82138
VZ
1788// ----------------------------------------------------------------------------
1789
ca8b28f2
JS
1790void wxTextCtrl::Undo()
1791{
1792 if (CanUndo())
1793 {
789295bf 1794 ::SendMessage(GetHwnd(), EM_UNDO, 0, 0);
ca8b28f2
JS
1795 }
1796}
1797
1798void wxTextCtrl::Redo()
1799{
1800 if (CanRedo())
1801 {
4a82116e
JS
1802#if wxUSE_RICHEDIT
1803 if (GetRichVersion() > 1)
1804 ::SendMessage(GetHwnd(), EM_REDO, 0, 0);
1805 else
1806#endif
ca8b28f2 1807 // Same as Undo, since Undo undoes the undo, i.e. a redo.
789295bf 1808 ::SendMessage(GetHwnd(), EM_UNDO, 0, 0);
ca8b28f2
JS
1809 }
1810}
1811
1812bool wxTextCtrl::CanUndo() const
1813{
a5aa8086 1814 return ::SendMessage(GetHwnd(), EM_CANUNDO, 0, 0) != 0;
ca8b28f2
JS
1815}
1816
1817bool wxTextCtrl::CanRedo() const
1818{
4a82116e
JS
1819#if wxUSE_RICHEDIT
1820 if (GetRichVersion() > 1)
1821 return ::SendMessage(GetHwnd(), EM_CANREDO, 0, 0) != 0;
1822 else
1823#endif
a5aa8086 1824 return ::SendMessage(GetHwnd(), EM_CANUNDO, 0, 0) != 0;
ca8b28f2
JS
1825}
1826
e3a6a6b2
VZ
1827// ----------------------------------------------------------------------------
1828// caret handling (Windows only)
1829// ----------------------------------------------------------------------------
1830
1831bool wxTextCtrl::ShowNativeCaret(bool show)
1832{
1833 if ( show != m_isNativeCaretShown )
1834 {
1835 if ( !(show ? ::ShowCaret(GetHwnd()) : ::HideCaret(GetHwnd())) )
1836 {
1837 // not an error, may simply indicate that it's not shown/hidden
1838 // yet (i.e. it had been hidden/showh 2 times before)
1839 return false;
1840 }
1841
1842 m_isNativeCaretShown = show;
1843 }
1844
1845 return true;
1846}
1847
a1b82138
VZ
1848// ----------------------------------------------------------------------------
1849// implemenation details
1850// ----------------------------------------------------------------------------
39136494 1851
2bda0e17
KB
1852void wxTextCtrl::Command(wxCommandEvent & event)
1853{
a1b82138
VZ
1854 SetValue(event.GetString());
1855 ProcessCommand (event);
2bda0e17
KB
1856}
1857
1858void wxTextCtrl::OnDropFiles(wxDropFilesEvent& event)
1859{
a1b82138
VZ
1860 // By default, load the first file into the text window.
1861 if (event.GetNumberOfFiles() > 0)
1862 {
1863 LoadFile(event.GetFiles()[0]);
1864 }
2bda0e17
KB
1865}
1866
a37d422a
VZ
1867// ----------------------------------------------------------------------------
1868// kbd input processing
1869// ----------------------------------------------------------------------------
1870
90c6edd7 1871bool wxTextCtrl::MSWShouldPreProcessMessage(WXMSG* msg)
a37d422a 1872{
a37d422a
VZ
1873 // check for our special keys here: if we don't do it and the parent frame
1874 // uses them as accelerators, they wouldn't work at all, so we disable
1875 // usual preprocessing for them
1876 if ( msg->message == WM_KEYDOWN )
1877 {
90c6edd7
VZ
1878 const WPARAM vkey = msg->wParam;
1879 if ( HIWORD(msg->lParam) & KF_ALTDOWN )
a37d422a 1880 {
90c6edd7 1881 // Alt-Backspace is accelerator for "Undo"
a37d422a 1882 if ( vkey == VK_BACK )
bfbb0b4c 1883 return false;
a37d422a
VZ
1884 }
1885 else // no Alt
1886 {
cf6e951c
VZ
1887 // we want to process some Ctrl-foo and Shift-bar but no key
1888 // combinations without either Ctrl or Shift nor with both of them
1889 // pressed
1890 const int ctrl = wxIsCtrlDown(),
1891 shift = wxIsShiftDown();
1892 switch ( ctrl + shift )
a37d422a 1893 {
cf6e951c
VZ
1894 default:
1895 wxFAIL_MSG( _T("how many modifiers have we got?") );
1896 // fall through
1897
1898 case 0:
eedf954b 1899 if ( IsMultiLine() && vkey == VK_RETURN )
90c6edd7
VZ
1900 return false;
1901 // fall through
cf6e951c
VZ
1902 case 2:
1903 break;
1904
1905 case 1:
1906 // either Ctrl or Shift pressed
1907 if ( ctrl )
1908 {
1909 switch ( vkey )
1910 {
1911 case 'C':
1912 case 'V':
1913 case 'X':
1914 case VK_INSERT:
1915 case VK_DELETE:
1916 case VK_HOME:
1917 case VK_END:
bfbb0b4c 1918 return false;
cf6e951c
VZ
1919 }
1920 }
1921 else // Shift is pressed
1922 {
1923 if ( vkey == VK_INSERT || vkey == VK_DELETE )
bfbb0b4c 1924 return false;
cf6e951c 1925 }
a37d422a
VZ
1926 }
1927 }
1928 }
1929
90c6edd7 1930 return wxControl::MSWShouldPreProcessMessage(msg);
a37d422a
VZ
1931}
1932
2bda0e17
KB
1933void wxTextCtrl::OnChar(wxKeyEvent& event)
1934{
77e00fe9 1935 switch ( event.GetKeyCode() )
cd471848 1936 {
cd471848 1937 case WXK_RETURN:
cd471848
VZ
1938 {
1939 wxCommandEvent event(wxEVT_COMMAND_TEXT_ENTER, m_windowId);
bfbd6dc1 1940 InitCommandEvent(event);
f6bcfd97 1941 event.SetString(GetValue());
cd471848 1942 if ( GetEventHandler()->ProcessEvent(event) )
9a3952fa 1943 if ( !HasFlag(wxTE_MULTILINE) )
cd471848 1944 return;
9a3952fa 1945 //else: multiline controls need Enter for themselves
cd471848 1946 }
5fb9fcfc 1947 break;
4d91c1d1 1948
cd471848 1949 case WXK_TAB:
818d407a
VZ
1950 // ok, so this is getting absolutely ridiculous but I don't see
1951 // any other way to fix this bug: when a multiline text control is
1952 // inside a wxFrame, we need to generate the navigation event as
1953 // otherwise nothing happens at all, but when the same control is
1954 // created inside a dialog, IsDialogMessage() *does* switch focus
1955 // all by itself and so if we do it here as well, it is advanced
1956 // twice and goes to the next control... to prevent this from
1957 // happening we're doing this ugly check, the logic being that if
1958 // we don't have focus then it had been already changed to the next
1959 // control
1960 //
1961 // the right thing to do would, of course, be to understand what
1962 // the hell is IsDialogMessage() doing but this is beyond my feeble
1963 // forces at the moment unfortunately
5f6cfda7 1964 if ( !(m_windowStyle & wxTE_PROCESS_TAB))
cd471848 1965 {
5f6cfda7
JS
1966 if ( FindFocus() == this )
1967 {
eedc82f4
JS
1968 int flags = 0;
1969 if (!event.ShiftDown())
1970 flags |= wxNavigationKeyEvent::IsForward ;
1971 if (event.ControlDown())
1972 flags |= wxNavigationKeyEvent::WinChange ;
1973 if (Navigate(flags))
5f6cfda7
JS
1974 return;
1975 }
1976 }
1977 else
1978 {
1979 // Insert tab since calling the default Windows handler
1980 // doesn't seem to do it
1981 WriteText(wxT("\t"));
d1fd98cc 1982 return;
cd471848 1983 }
341c92a8 1984 break;
cd471848 1985 }
39136494 1986
8614c467 1987 // no, we didn't process it
42e69d6b 1988 event.Skip();
2bda0e17
KB
1989}
1990
c140b7e7 1991WXLRESULT wxTextCtrl::MSWWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lParam)
0cf5b099 1992{
c140b7e7 1993 WXLRESULT lRc = wxTextCtrlBase::MSWWindowProc(nMsg, wParam, lParam);
e7e91e03 1994
9fcbe076 1995 switch ( nMsg )
0cf5b099 1996 {
9fcbe076
VZ
1997 case WM_GETDLGCODE:
1998 {
1999 // we always want the chars and the arrows: the arrows for
2000 // navigation and the chars because we want Ctrl-C to work even
2001 // in a read only control
2002 long lDlgCode = DLGC_WANTCHARS | DLGC_WANTARROWS;
2b5f62a0 2003
9fcbe076
VZ
2004 if ( IsEditable() )
2005 {
2006 // we may have several different cases:
2007 // 1. normal: both TAB and ENTER are used for navigation
2008 // 2. ctrl wants TAB for itself: ENTER is used to pass to
2009 // the next control in the dialog
2010 // 3. ctrl wants ENTER for itself: TAB is used for dialog
2011 // navigation
2012 // 4. ctrl wants both TAB and ENTER: Ctrl-ENTER is used to
2013 // go to the next control (we need some way to do it)
2014
2015 // multiline controls should always get ENTER for themselves
2016 if ( HasFlag(wxTE_PROCESS_ENTER) || HasFlag(wxTE_MULTILINE) )
2017 lDlgCode |= DLGC_WANTMESSAGE;
2018
2019 if ( HasFlag(wxTE_PROCESS_TAB) )
2020 lDlgCode |= DLGC_WANTTAB;
2021
2022 lRc |= lDlgCode;
2023 }
2024 else // !editable
2025 {
2026 // NB: use "=", not "|=" as the base class version returns
2027 // the same flags is this state as usual (i.e.
2028 // including DLGC_WANTMESSAGE). This is strange (how
2029 // does it work in the native Win32 apps?) but for now
2030 // live with it.
2031 lRc = lDlgCode;
2032 }
2033 }
2034 break;
2035
2036 case WM_CUT:
2037 case WM_COPY:
2038 case WM_PASTE:
2039 if ( HandleClipboardEvent(nMsg) )
2040 lRc = 0;
2041 break;
0cf5b099
VZ
2042 }
2043
e7e91e03 2044 return lRc;
129223d6
VZ
2045}
2046
2047// ----------------------------------------------------------------------------
2048// text control event processing
2049// ----------------------------------------------------------------------------
2050
5036ea90
VZ
2051bool wxTextCtrl::SendUpdateEvent()
2052{
2c62dd25 2053 switch ( m_updatesCount )
5036ea90 2054 {
2c62dd25
VZ
2055 case 0:
2056 // remember that we've got an update
2057 m_updatesCount++;
2058 break;
5036ea90 2059
2c62dd25
VZ
2060 case 1:
2061 // we had already sent one event since the last control modification
2062 return false;
2063
2064 default:
2065 wxFAIL_MSG( _T("unexpected wxTextCtrl::m_updatesCount value") );
2066 // fall through
2067
2068 case -1:
2069 // we hadn't updated the control ourselves, this event comes from
2070 // the user, don't need to ignore it nor update the count
2071 break;
f6519b40
VZ
2072
2073 case -2:
2074 // the control was updated programmatically and we do NOT want to
2075 // send events
2076 return false;
5036ea90
VZ
2077 }
2078
2079 wxCommandEvent event(wxEVT_COMMAND_TEXT_UPDATED, GetId());
2080 InitCommandEvent(event);
5036ea90
VZ
2081
2082 return ProcessCommand(event);
2083}
2084
debe6624 2085bool wxTextCtrl::MSWCommand(WXUINT param, WXWORD WXUNUSED(id))
2bda0e17 2086{
5036ea90 2087 switch ( param )
789295bf
VZ
2088 {
2089 case EN_SETFOCUS:
2090 case EN_KILLFOCUS:
2091 {
2092 wxFocusEvent event(param == EN_KILLFOCUS ? wxEVT_KILL_FOCUS
d7eee191
VZ
2093 : wxEVT_SET_FOCUS,
2094 m_windowId);
5036ea90 2095 event.SetEventObject(this);
789295bf
VZ
2096 GetEventHandler()->ProcessEvent(event);
2097 }
2098 break;
ae29de83 2099
789295bf 2100 case EN_CHANGE:
5036ea90 2101 SendUpdateEvent();
789295bf 2102 break;
2bda0e17 2103
b12915c1 2104 case EN_MAXTEXT:
5036ea90 2105 // the text size limit has been hit -- try to increase it
d7eee191
VZ
2106 if ( !AdjustSpaceLimit() )
2107 {
2108 wxCommandEvent event(wxEVT_COMMAND_TEXT_MAXLEN, m_windowId);
2109 InitCommandEvent(event);
2110 event.SetString(GetValue());
2111 ProcessCommand(event);
2112 }
789295bf
VZ
2113 break;
2114
5036ea90 2115 // the other edit notification messages are not processed
789295bf 2116 default:
bfbb0b4c 2117 return false;
789295bf
VZ
2118 }
2119
2120 // processed
bfbb0b4c 2121 return true;
2bda0e17
KB
2122}
2123
2bae4332 2124WXHBRUSH wxTextCtrl::MSWControlColor(WXHDC hDC, WXHWND hWnd)
f6bcfd97 2125{
48fa6bd3
VZ
2126 if ( !IsEnabled() && !HasFlag(wxTE_MULTILINE) )
2127 return MSWControlColorDisabled(hDC);
f6bcfd97 2128
2bae4332 2129 return wxTextCtrlBase::MSWControlColor(hDC, hWnd);
f6bcfd97
BP
2130}
2131
4fa80851 2132bool wxTextCtrl::HasSpaceLimit(unsigned int *len) const
789295bf 2133{
d7eee191
VZ
2134 // HACK: we try to automatically extend the limit for the amount of text
2135 // to allow (interactively) entering more than 64Kb of text under
2136 // Win9x but we shouldn't reset the text limit which was previously
2137 // set explicitly with SetMaxLength()
2138 //
4fa80851
VZ
2139 // Unfortunately there is no EM_GETLIMITTEXTSETBYUSER and so we don't
2140 // know the limit we set (if any). We could solve this by storing the
2141 // limit we set in wxTextCtrl but to save space we prefer to simply
2142 // test here the actual limit value: we consider that SetMaxLength()
2143 // can only be called for small values while EN_MAXTEXT is only sent
2144 // for large values (in practice the default limit seems to be 30000
2145 // but make it smaller just to be on the safe side)
2146 *len = ::SendMessage(GetHwnd(), EM_GETLIMITTEXT, 0, 0);
2147 return *len < 10001;
2148
2149}
2150
2151bool wxTextCtrl::AdjustSpaceLimit()
2152{
2153 unsigned int limit;
2154 if ( HasSpaceLimit(&limit) )
bfbb0b4c 2155 return false;
d7eee191
VZ
2156
2157 unsigned int len = ::GetWindowTextLength(GetHwnd());
17d8ee1c 2158 if ( len >= limit )
789295bf 2159 {
4fa80851
VZ
2160 // increment in 32Kb chunks
2161 SetMaxLength(len + 0x8000);
789295bf 2162 }
d7eee191
VZ
2163
2164 // we changed the limit
bfbb0b4c 2165 return true;
789295bf 2166}
2bda0e17 2167
a1b82138 2168bool wxTextCtrl::AcceptsFocus() const
2bda0e17 2169{
589c7163
VZ
2170 // we don't want focus if we can't be edited unless we're a multiline
2171 // control because then it might be still nice to get focus from keyboard
2172 // to be able to scroll it without mouse
2173 return (IsEditable() || IsMultiLine()) && wxControl::AcceptsFocus();
a1b82138 2174}
c085e333 2175
f68586e5 2176wxSize wxTextCtrl::DoGetBestSize() const
a1b82138
VZ
2177{
2178 int cx, cy;
7a5e53ab 2179 wxGetCharSize(GetHWND(), &cx, &cy, GetFont());
a1b82138
VZ
2180
2181 int wText = DEFAULT_ITEM_WIDTH;
2182
f60e797e 2183 int hText = cy;
a1b82138
VZ
2184 if ( m_windowStyle & wxTE_MULTILINE )
2185 {
b7a3ba7d 2186 hText *= wxMax(wxMin(GetNumberOfLines(), 10), 2);
a1b82138
VZ
2187 }
2188 //else: for single line control everything is ok
2189
f60e797e
VZ
2190 // we have to add the adjustments for the control height only once, not
2191 // once per line, so do it after multiplication above
2192 hText += EDIT_HEIGHT_FROM_CHAR_HEIGHT(cy) - cy;
2193
a1b82138 2194 return wxSize(wText, hText);
2bda0e17 2195}
a1b82138
VZ
2196
2197// ----------------------------------------------------------------------------
2198// standard handlers for standard edit menu events
2199// ----------------------------------------------------------------------------
2bda0e17 2200
bfbd6dc1 2201void wxTextCtrl::OnCut(wxCommandEvent& WXUNUSED(event))
e702ff0f
JS
2202{
2203 Cut();
2204}
2205
bfbd6dc1 2206void wxTextCtrl::OnCopy(wxCommandEvent& WXUNUSED(event))
e702ff0f
JS
2207{
2208 Copy();
2209}
2210
bfbd6dc1 2211void wxTextCtrl::OnPaste(wxCommandEvent& WXUNUSED(event))
e702ff0f
JS
2212{
2213 Paste();
2214}
2215
bfbd6dc1 2216void wxTextCtrl::OnUndo(wxCommandEvent& WXUNUSED(event))
e702ff0f
JS
2217{
2218 Undo();
2219}
2220
bfbd6dc1 2221void wxTextCtrl::OnRedo(wxCommandEvent& WXUNUSED(event))
e702ff0f
JS
2222{
2223 Redo();
2224}
2225
2eb10e2a 2226void wxTextCtrl::OnDelete(wxCommandEvent& WXUNUSED(event))
2b5f62a0
VZ
2227{
2228 long from, to;
2229 GetSelection(& from, & to);
2230 if (from != -1 && to != -1)
2231 Remove(from, to);
2232}
2233
2eb10e2a 2234void wxTextCtrl::OnSelectAll(wxCommandEvent& WXUNUSED(event))
2b5f62a0
VZ
2235{
2236 SetSelection(-1, -1);
2237}
2238
e702ff0f
JS
2239void wxTextCtrl::OnUpdateCut(wxUpdateUIEvent& event)
2240{
2241 event.Enable( CanCut() );
2242}
2243
2244void wxTextCtrl::OnUpdateCopy(wxUpdateUIEvent& event)
2245{
2246 event.Enable( CanCopy() );
2247}
2248
2249void wxTextCtrl::OnUpdatePaste(wxUpdateUIEvent& event)
2250{
2251 event.Enable( CanPaste() );
2252}
2253
2254void wxTextCtrl::OnUpdateUndo(wxUpdateUIEvent& event)
2255{
2256 event.Enable( CanUndo() );
2257}
2258
2259void wxTextCtrl::OnUpdateRedo(wxUpdateUIEvent& event)
2260{
2261 event.Enable( CanRedo() );
2262}
2263
2b5f62a0
VZ
2264void wxTextCtrl::OnUpdateDelete(wxUpdateUIEvent& event)
2265{
2266 long from, to;
2267 GetSelection(& from, & to);
2268 event.Enable(from != -1 && to != -1 && from != to && IsEditable()) ;
2269}
2270
2271void wxTextCtrl::OnUpdateSelectAll(wxUpdateUIEvent& event)
2272{
2273 event.Enable(GetLastPosition() > 0);
2274}
2275
26f60eb6 2276void wxTextCtrl::OnContextMenu(wxContextMenuEvent& event)
2b5f62a0
VZ
2277{
2278#if wxUSE_RICHEDIT
2279 if (IsRich())
2280 {
2281 if (!m_privateContextMenu)
2282 {
2283 m_privateContextMenu = new wxMenu;
2284 m_privateContextMenu->Append(wxID_UNDO, _("&Undo"));
2285 m_privateContextMenu->Append(wxID_REDO, _("&Redo"));
2286 m_privateContextMenu->AppendSeparator();
2287 m_privateContextMenu->Append(wxID_CUT, _("Cu&t"));
2288 m_privateContextMenu->Append(wxID_COPY, _("&Copy"));
2289 m_privateContextMenu->Append(wxID_PASTE, _("&Paste"));
2290 m_privateContextMenu->Append(wxID_CLEAR, _("&Delete"));
2291 m_privateContextMenu->AppendSeparator();
2292 m_privateContextMenu->Append(wxID_SELECTALL, _("Select &All"));
2293 }
26f60eb6 2294 PopupMenu(m_privateContextMenu);
2b5f62a0
VZ
2295 return;
2296 }
2297 else
2298#endif
2299 event.Skip();
2300}
2301
2eb10e2a 2302void wxTextCtrl::OnSetFocus(wxFocusEvent& WXUNUSED(event))
e3a6a6b2
VZ
2303{
2304 // be sure the caret remains invisible if the user had hidden it
2305 if ( !m_isNativeCaretShown )
2306 {
2307 ::HideCaret(GetHwnd());
2308 }
2309}
2310
9e67e541
JS
2311// ----------------------------------------------------------------------------
2312// Default colors for MSW text control
2313//
2314// Set default background color to the native white instead of
7d8268a1 2315// the default wxSYS_COLOUR_BTNFACE (is triggered with wxNullColour).
9e67e541
JS
2316// ----------------------------------------------------------------------------
2317
2318wxVisualAttributes wxTextCtrl::GetDefaultAttributes() const
2319{
2320 wxVisualAttributes attrs;
2321 attrs.font = wxSystemSettings::GetFont(wxSYS_DEFAULT_GUI_FONT);
2322 attrs.colFg = wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOWTEXT);
2323 attrs.colBg = wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOW); //white
2324
2325 return attrs;
2326}
2327
4bc1afd5
VZ
2328// the rest of the file only deals with the rich edit controls
2329#if wxUSE_RICHEDIT
2330
c57e3339
VZ
2331// ----------------------------------------------------------------------------
2332// EN_LINK processing
2333// ----------------------------------------------------------------------------
2334
a64c3b74 2335bool wxTextCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result)
c57e3339
VZ
2336{
2337 NMHDR *hdr = (NMHDR* )lParam;
1dae1d00 2338 switch ( hdr->code )
c57e3339 2339 {
3bce6687 2340 case EN_MSGFILTER:
1dae1d00
VZ
2341 {
2342 const MSGFILTER *msgf = (MSGFILTER *)lParam;
2343 UINT msg = msgf->msg;
2344
2345 // this is a bit crazy but richedit 1.0 sends us all mouse
2346 // events _except_ WM_LBUTTONUP (don't ask me why) so we have
2347 // generate the wxWin events for this message manually
2348 //
2349 // NB: in fact, this is still not totally correct as it does
2350 // send us WM_LBUTTONUP if the selection was cleared by the
2351 // last click -- so currently we get 2 events in this case,
2352 // but as I don't see any obvious way to check for this I
2353 // leave this code in place because it's still better than
2354 // not getting left up events at all
2355 if ( msg == WM_LBUTTONUP )
c57e3339 2356 {
1dae1d00
VZ
2357 WXUINT flags = msgf->wParam;
2358 int x = GET_X_LPARAM(msgf->lParam),
2359 y = GET_Y_LPARAM(msgf->lParam);
2360
2361 HandleMouseEvent(msg, x, y, flags);
c57e3339 2362 }
1dae1d00 2363 }
c57e3339 2364
bfbb0b4c
WS
2365 // return true to process the event (and false to ignore it)
2366 return true;
1dae1d00
VZ
2367
2368 case EN_LINK:
2369 {
2370 const ENLINK *enlink = (ENLINK *)hdr;
2371
2372 switch ( enlink->msg )
2373 {
2374 case WM_SETCURSOR:
2375 // ok, so it is hardcoded - do we really nee to
2376 // customize it?
5c519b6c
WS
2377 {
2378 wxCursor cur(wxCURSOR_HAND);
2379 ::SetCursor(GetHcursorOf(cur));
2380 *result = TRUE;
2381 break;
2382 }
1dae1d00
VZ
2383
2384 case WM_MOUSEMOVE:
2385 case WM_LBUTTONDOWN:
2386 case WM_LBUTTONUP:
2387 case WM_LBUTTONDBLCLK:
2388 case WM_RBUTTONDOWN:
2389 case WM_RBUTTONUP:
2390 case WM_RBUTTONDBLCLK:
2391 // send a mouse event
2392 {
2393 static const wxEventType eventsMouse[] =
2394 {
2395 wxEVT_MOTION,
2396 wxEVT_LEFT_DOWN,
2397 wxEVT_LEFT_UP,
2398 wxEVT_LEFT_DCLICK,
2399 wxEVT_RIGHT_DOWN,
2400 wxEVT_RIGHT_UP,
2401 wxEVT_RIGHT_DCLICK,
2402 };
2403
2404 // the event ids are consecutive
2405 wxMouseEvent
2406 evtMouse(eventsMouse[enlink->msg - WM_MOUSEMOVE]);
2407
2408 InitMouseEvent(evtMouse,
2409 GET_X_LPARAM(enlink->lParam),
2410 GET_Y_LPARAM(enlink->lParam),
2411 enlink->wParam);
2412
2413 wxTextUrlEvent event(m_windowId, evtMouse,
2414 enlink->chrg.cpMin,
2415 enlink->chrg.cpMax);
2416
2417 InitCommandEvent(event);
2418
2419 *result = ProcessCommand(event);
2420 }
2421 break;
2422 }
2423 }
bfbb0b4c 2424 return true;
c57e3339 2425 }
7f5d8b00 2426
d86ab8e2
VZ
2427 // not processed, leave it to the base class
2428 return wxTextCtrlBase::MSWOnNotify(idCtrl, lParam, result);
c57e3339
VZ
2429}
2430
20a0e999
VZ
2431#if wxUSE_DRAG_AND_DROP
2432
2433void wxTextCtrl::SetDropTarget(wxDropTarget *dropTarget)
2434{
2435 if ( m_dropTarget == wxRICHTEXT_DEFAULT_DROPTARGET )
2436 {
2437 // get rid of the built-in drop target
2438 ::RevokeDragDrop(GetHwnd());
2439 m_dropTarget = NULL;
2440 }
2441
2442 wxTextCtrlBase::SetDropTarget(dropTarget);
2443}
2444
2445#endif // wxUSE_DRAG_AND_DROP
2446
52f2f7b2 2447// ----------------------------------------------------------------------------
f6bcfd97
BP
2448// colour setting for the rich edit controls
2449// ----------------------------------------------------------------------------
2450
f6bcfd97
BP
2451bool wxTextCtrl::SetBackgroundColour(const wxColour& colour)
2452{
2453 if ( !wxTextCtrlBase::SetBackgroundColour(colour) )
2454 {
2455 // colour didn't really change
bfbb0b4c 2456 return false;
f6bcfd97
BP
2457 }
2458
2459 if ( IsRich() )
2460 {
2461 // rich edit doesn't use WM_CTLCOLOR, hence we need to send
2462 // EM_SETBKGNDCOLOR additionally
2463 ::SendMessage(GetHwnd(), EM_SETBKGNDCOLOR, 0, wxColourToRGB(colour));
2464 }
2465
bfbb0b4c 2466 return true;
f6bcfd97
BP
2467}
2468
2469bool wxTextCtrl::SetForegroundColour(const wxColour& colour)
2470{
2471 if ( !wxTextCtrlBase::SetForegroundColour(colour) )
2472 {
2473 // colour didn't really change
bfbb0b4c 2474 return false;
f6bcfd97
BP
2475 }
2476
2477 if ( IsRich() )
2478 {
2479 // change the colour of everything
2480 CHARFORMAT cf;
2481 wxZeroMemory(cf);
2482 cf.cbSize = sizeof(cf);
2483 cf.dwMask = CFM_COLOR;
2484 cf.crTextColor = wxColourToRGB(colour);
2485 ::SendMessage(GetHwnd(), EM_SETCHARFORMAT, SCF_ALL, (LPARAM)&cf);
2486 }
2487
bfbb0b4c 2488 return true;
f6bcfd97
BP
2489}
2490
4bc1afd5
VZ
2491// ----------------------------------------------------------------------------
2492// styling support for rich edit controls
2493// ----------------------------------------------------------------------------
2494
cc164686
RD
2495#if wxUSE_RICHEDIT
2496
4bc1afd5
VZ
2497bool wxTextCtrl::SetStyle(long start, long end, const wxTextAttr& style)
2498{
2499 if ( !IsRich() )
2500 {
2501 // can't do it with normal text control
bfbb0b4c 2502 return false;
4bc1afd5
VZ
2503 }
2504
a5aa8086
VZ
2505 // the richedit 1.0 doesn't handle setting background colour, so don't
2506 // even try to do anything if it's the only thing we want to change
e00a5d3c
JS
2507 if ( m_verRichEdit == 1 && !style.HasFont() && !style.HasTextColour() &&
2508 !style.HasLeftIndent() && !style.HasRightIndent() && !style.HasAlignment() &&
2509 !style.HasTabs() )
4bc1afd5 2510 {
bfbb0b4c
WS
2511 // nothing to do: return true if there was really nothing to do and
2512 // false if we failed to set bg colour
4bc1afd5
VZ
2513 return !style.HasBackgroundColour();
2514 }
2515
2516 // order the range if needed
2517 if ( start > end )
2518 {
2519 long tmp = start;
2520 start = end;
2521 end = tmp;
2522 }
2523
2524 // we can only change the format of the selection, so select the range we
2525 // want and restore the old selection later
2526 long startOld, endOld;
2527 GetSelection(&startOld, &endOld);
2528
2529 // but do we really have to change the selection?
2530 bool changeSel = start != startOld || end != endOld;
2531
2532 if ( changeSel )
aac7e7fe 2533 {
bfbb0b4c 2534 DoSetSelection(start, end, false /* don't scroll caret into view */);
aac7e7fe 2535 }
4bc1afd5
VZ
2536
2537 // initialize CHARFORMAT struct
be329a3d
RD
2538#if wxUSE_RICHEDIT2
2539 CHARFORMAT2 cf;
2540#else
4bc1afd5 2541 CHARFORMAT cf;
be329a3d 2542#endif
a5aa8086 2543
4bc1afd5 2544 wxZeroMemory(cf);
a5aa8086
VZ
2545
2546 // we can't use CHARFORMAT2 with RichEdit 1.0, so pretend it is a simple
2547 // CHARFORMAT in that case
2548#if wxUSE_RICHEDIT2
2549 if ( m_verRichEdit == 1 )
2550 {
2551 // this is the only thing the control is going to grok
2552 cf.cbSize = sizeof(CHARFORMAT);
2553 }
2554 else
2555#endif
2556 {
2557 // CHARFORMAT or CHARFORMAT2
2558 cf.cbSize = sizeof(cf);
2559 }
4bc1afd5
VZ
2560
2561 if ( style.HasFont() )
2562 {
aac7e7fe
VZ
2563 // VZ: CFM_CHARSET doesn't seem to do anything at all in RichEdit 2.0
2564 // but using it doesn't seem to hurt neither so leaving it for now
2565
784164e1
VZ
2566 cf.dwMask |= CFM_FACE | CFM_SIZE | CFM_CHARSET |
2567 CFM_ITALIC | CFM_BOLD | CFM_UNDERLINE;
4bc1afd5
VZ
2568
2569 // fill in data from LOGFONT but recalculate lfHeight because we need
2570 // the real height in twips and not the negative number which
2571 // wxFillLogFont() returns (this is correct in general and works with
2572 // the Windows font mapper, but not here)
2573 LOGFONT lf;
2574 wxFillLogFont(&lf, &style.GetFont());
2575 cf.yHeight = 20*style.GetFont().GetPointSize(); // 1 pt = 20 twips
2576 cf.bCharSet = lf.lfCharSet;
2577 cf.bPitchAndFamily = lf.lfPitchAndFamily;
2578 wxStrncpy( cf.szFaceName, lf.lfFaceName, WXSIZEOF(cf.szFaceName) );
2579
784164e1
VZ
2580 // also deal with underline/italic/bold attributes: note that we must
2581 // always set CFM_ITALIC &c bits in dwMask, even if we don't set the
2582 // style to allow clearing it
4bc1afd5
VZ
2583 if ( lf.lfItalic )
2584 {
4bc1afd5
VZ
2585 cf.dwEffects |= CFE_ITALIC;
2586 }
2587
2588 if ( lf.lfWeight == FW_BOLD )
2589 {
4bc1afd5
VZ
2590 cf.dwEffects |= CFE_BOLD;
2591 }
2592
2593 if ( lf.lfUnderline )
2594 {
4bc1afd5
VZ
2595 cf.dwEffects |= CFE_UNDERLINE;
2596 }
2597
77ffb593 2598 // strikeout fonts are not supported by wxWidgets
4bc1afd5
VZ
2599 }
2600
2601 if ( style.HasTextColour() )
2602 {
2603 cf.dwMask |= CFM_COLOR;
2604 cf.crTextColor = wxColourToRGB(style.GetTextColour());
2605 }
2606
be329a3d 2607#if wxUSE_RICHEDIT2
a5aa8086 2608 if ( m_verRichEdit != 1 && style.HasBackgroundColour() )
be329a3d
RD
2609 {
2610 cf.dwMask |= CFM_BACKCOLOR;
2611 cf.crBackColor = wxColourToRGB(style.GetBackgroundColour());
2612 }
784164e1
VZ
2613#endif // wxUSE_RICHEDIT2
2614
4bc1afd5
VZ
2615 // do format the selection
2616 bool ok = ::SendMessage(GetHwnd(), EM_SETCHARFORMAT,
2617 SCF_SELECTION, (LPARAM)&cf) != 0;
2618 if ( !ok )
2619 {
2620 wxLogDebug(_T("SendMessage(EM_SETCHARFORMAT, SCF_SELECTION) failed"));
2621 }
2622
e00a5d3c
JS
2623 // now do the paragraph formatting
2624 PARAFORMAT2 pf;
2625 wxZeroMemory(pf);
2626 // we can't use PARAFORMAT2 with RichEdit 1.0, so pretend it is a simple
2627 // PARAFORMAT in that case
2628#if wxUSE_RICHEDIT2
2629 if ( m_verRichEdit == 1 )
2630 {
2631 // this is the only thing the control is going to grok
2632 pf.cbSize = sizeof(PARAFORMAT);
2633 }
2634 else
2635#endif
2636 {
2637 // PARAFORMAT or PARAFORMAT2
2638 pf.cbSize = sizeof(pf);
2639 }
2640
2641 if (style.HasAlignment())
2642 {
2643 pf.dwMask |= PFM_ALIGNMENT;
2644 if (style.GetAlignment() == wxTEXT_ALIGNMENT_RIGHT)
2645 pf.wAlignment = PFA_RIGHT;
2646 else if (style.GetAlignment() == wxTEXT_ALIGNMENT_CENTRE)
2647 pf.wAlignment = PFA_CENTER;
2648 else if (style.GetAlignment() == wxTEXT_ALIGNMENT_JUSTIFIED)
2649 pf.wAlignment = PFA_JUSTIFY;
2650 else
2651 pf.wAlignment = PFA_LEFT;
2652 }
2653
2654 if (style.HasLeftIndent())
2655 {
89b67477 2656 pf.dwMask |= PFM_STARTINDENT | PFM_OFFSET;
e00a5d3c
JS
2657
2658 // Convert from 1/10 mm to TWIPS
2659 pf.dxStartIndent = (int) (((double) style.GetLeftIndent()) * mm2twips / 10.0) ;
89b67477 2660 pf.dxOffset = (int) (((double) style.GetLeftSubIndent()) * mm2twips / 10.0) ;
e00a5d3c
JS
2661 }
2662
2663 if (style.HasRightIndent())
2664 {
2665 pf.dwMask |= PFM_RIGHTINDENT;
2666
2667 // Convert from 1/10 mm to TWIPS
2668 pf.dxRightIndent = (int) (((double) style.GetRightIndent()) * mm2twips / 10.0) ;
2669 }
2670
2671 if (style.HasTabs())
2672 {
2673 pf.dwMask |= PFM_TABSTOPS;
2674
2675 const wxArrayInt& tabs = style.GetTabs();
2676
5c519b6c 2677 pf.cTabCount = (SHORT)wxMin(tabs.GetCount(), MAX_TAB_STOPS);
e00a5d3c
JS
2678 size_t i;
2679 for (i = 0; i < (size_t) pf.cTabCount; i++)
2680 {
2681 // Convert from 1/10 mm to TWIPS
2682 pf.rgxTabs[i] = (int) (((double) tabs[i]) * mm2twips / 10.0) ;
2683 }
2684 }
2685
3488be9c
VZ
2686#if wxUSE_RICHEDIT2
2687 if ( m_verRichEdit > 1 )
2688 {
2689 if ( wxTheApp->GetLayoutDirection() == wxLayout_RightToLeft )
2690 {
2691 // Use RTL paragraphs in RTL mode to get proper layout
2692 pf.dwMask |= PFM_RTLPARA;
2693 pf.wEffects |= PFE_RTLPARA;
2694 }
2695 }
2696#endif // wxUSE_RICHEDIT2
2697
2698 if ( pf.dwMask )
e00a5d3c
JS
2699 {
2700 // do format the selection
2701 bool ok = ::SendMessage(GetHwnd(), EM_SETPARAFORMAT,
3488be9c 2702 0, (LPARAM) &pf) != 0;
e00a5d3c
JS
2703 if ( !ok )
2704 {
2705 wxLogDebug(_T("SendMessage(EM_SETPARAFORMAT, 0) failed"));
2706 }
2707 }
2708
4bc1afd5
VZ
2709 if ( changeSel )
2710 {
2711 // restore the original selection
bfbb0b4c 2712 DoSetSelection(startOld, endOld, false);
4bc1afd5
VZ
2713 }
2714
2715 return ok;
2716}
f6bcfd97 2717
5bf75ae7
VZ
2718bool wxTextCtrl::SetDefaultStyle(const wxTextAttr& style)
2719{
2720 if ( !wxTextCtrlBase::SetDefaultStyle(style) )
bfbb0b4c 2721 return false;
5bf75ae7 2722
caea50ac
VZ
2723 if ( IsEditable() )
2724 {
2725 // we have to do this or the style wouldn't apply for the text typed by
2726 // the user
7d8268a1 2727 wxTextPos posLast = GetLastPosition();
caea50ac
VZ
2728 SetStyle(posLast, posLast, m_defaultStyle);
2729 }
5bf75ae7 2730
bfbb0b4c 2731 return true;
5bf75ae7
VZ
2732}
2733
80185c6c 2734bool wxTextCtrl::GetStyle(long position, wxTextAttr& style)
e00a5d3c 2735{
80185c6c
JS
2736 if ( !IsRich() )
2737 {
2738 // can't do it with normal text control
bfbb0b4c 2739 return false;
80185c6c
JS
2740 }
2741
2742 // initialize CHARFORMAT struct
2743#if wxUSE_RICHEDIT2
2744 CHARFORMAT2 cf;
2745#else
2746 CHARFORMAT cf;
2747#endif
2748
2749 wxZeroMemory(cf);
2750
2751 // we can't use CHARFORMAT2 with RichEdit 1.0, so pretend it is a simple
2752 // CHARFORMAT in that case
2753#if wxUSE_RICHEDIT2
2754 if ( m_verRichEdit == 1 )
2755 {
2756 // this is the only thing the control is going to grok
2757 cf.cbSize = sizeof(CHARFORMAT);
2758 }
2759 else
2760#endif
2761 {
2762 // CHARFORMAT or CHARFORMAT2
2763 cf.cbSize = sizeof(cf);
2764 }
2765 // we can only change the format of the selection, so select the range we
2766 // want and restore the old selection later
2767 long startOld, endOld;
2768 GetSelection(&startOld, &endOld);
2769
2770 // but do we really have to change the selection?
2771 bool changeSel = position != startOld || position != endOld;
2772
2773 if ( changeSel )
2774 {
f1a777fe 2775 DoSetSelection(position, position+1, false /* don't scroll caret into view */);
80185c6c
JS
2776 }
2777
2778 // get the selection formatting
2779 (void) ::SendMessage(GetHwnd(), EM_GETCHARFORMAT,
2780 SCF_SELECTION, (LPARAM)&cf) ;
2781
093dee5e 2782
80185c6c
JS
2783 LOGFONT lf;
2784 lf.lfHeight = cf.yHeight;
2785 lf.lfWidth = 0;
2786 lf.lfCharSet = ANSI_CHARSET; // FIXME: how to get correct charset?
2787 lf.lfClipPrecision = 0;
2788 lf.lfEscapement = 0;
2789 wxStrcpy(lf.lfFaceName, cf.szFaceName);
093dee5e
RN
2790
2791 //NOTE: we _MUST_ set each of these values to _something_ since we
7d8268a1 2792 //do not call wxZeroMemory on the LOGFONT lf
80185c6c
JS
2793 if (cf.dwEffects & CFE_ITALIC)
2794 lf.lfItalic = TRUE;
093dee5e
RN
2795 else
2796 lf.lfItalic = FALSE;
2797
80185c6c
JS
2798 lf.lfOrientation = 0;
2799 lf.lfPitchAndFamily = cf.bPitchAndFamily;
2800 lf.lfQuality = 0;
093dee5e 2801
80185c6c
JS
2802 if (cf.dwEffects & CFE_STRIKEOUT)
2803 lf.lfStrikeOut = TRUE;
093dee5e
RN
2804 else
2805 lf.lfStrikeOut = FALSE;
2806
80185c6c
JS
2807 if (cf.dwEffects & CFE_UNDERLINE)
2808 lf.lfUnderline = TRUE;
093dee5e
RN
2809 else
2810 lf.lfUnderline = FALSE;
2811
80185c6c
JS
2812 if (cf.dwEffects & CFE_BOLD)
2813 lf.lfWeight = FW_BOLD;
093dee5e
RN
2814 else
2815 lf.lfWeight = FW_NORMAL;
80185c6c
JS
2816
2817 wxFont font = wxCreateFontFromLogFont(& lf);
2818 if (font.Ok())
2819 {
2820 style.SetFont(font);
2821 }
2822 style.SetTextColour(wxColour(cf.crTextColor));
2823
2824#if wxUSE_RICHEDIT2
2825 if ( m_verRichEdit != 1 )
2826 {
2827 // cf.dwMask |= CFM_BACKCOLOR;
2828 style.SetBackgroundColour(wxColour(cf.crBackColor));
2829 }
2830#endif // wxUSE_RICHEDIT2
2831
2832 // now get the paragraph formatting
2833 PARAFORMAT2 pf;
2834 wxZeroMemory(pf);
2835 // we can't use PARAFORMAT2 with RichEdit 1.0, so pretend it is a simple
2836 // PARAFORMAT in that case
2837#if wxUSE_RICHEDIT2
2838 if ( m_verRichEdit == 1 )
2839 {
2840 // this is the only thing the control is going to grok
2841 pf.cbSize = sizeof(PARAFORMAT);
2842 }
2843 else
2844#endif
2845 {
2846 // PARAFORMAT or PARAFORMAT2
2847 pf.cbSize = sizeof(pf);
2848 }
2849
2850 // do format the selection
2851 (void) ::SendMessage(GetHwnd(), EM_GETPARAFORMAT, 0, (LPARAM) &pf) ;
2852
89b67477 2853 style.SetLeftIndent( (int) ((double) pf.dxStartIndent * twips2mm * 10.0), (int) ((double) pf.dxOffset * twips2mm * 10.0) );
80185c6c
JS
2854 style.SetRightIndent( (int) ((double) pf.dxRightIndent * twips2mm * 10.0) );
2855
2856 if (pf.wAlignment == PFA_CENTER)
2857 style.SetAlignment(wxTEXT_ALIGNMENT_CENTRE);
2858 else if (pf.wAlignment == PFA_RIGHT)
2859 style.SetAlignment(wxTEXT_ALIGNMENT_RIGHT);
2860 else if (pf.wAlignment == PFA_JUSTIFY)
2861 style.SetAlignment(wxTEXT_ALIGNMENT_JUSTIFIED);
2862 else
2863 style.SetAlignment(wxTEXT_ALIGNMENT_LEFT);
2864
2865 wxArrayInt tabStops;
2866 size_t i;
2867 for (i = 0; i < (size_t) pf.cTabCount; i++)
2868 {
89b67477 2869 tabStops.Add( (int) ((double) (pf.rgxTabs[i] & 0xFFFF) * twips2mm * 10.0) );
80185c6c
JS
2870 }
2871
2872 if ( changeSel )
2873 {
2874 // restore the original selection
bfbb0b4c 2875 DoSetSelection(startOld, endOld, false);
80185c6c
JS
2876 }
2877
bfbb0b4c 2878 return true;
e00a5d3c
JS
2879}
2880
cc164686
RD
2881#endif
2882
b12915c1
VZ
2883// ----------------------------------------------------------------------------
2884// wxRichEditModule
2885// ----------------------------------------------------------------------------
2886
628c219e
VZ
2887static const HINSTANCE INVALID_HINSTANCE = (HINSTANCE)-1;
2888
b12915c1
VZ
2889bool wxRichEditModule::OnInit()
2890{
2891 // don't do anything - we will load it when needed
bfbb0b4c 2892 return true;
b12915c1
VZ
2893}
2894
2895void wxRichEditModule::OnExit()
2896{
136cb3c7 2897 for ( size_t i = 0; i < WXSIZEOF(ms_hRichEdit); i++ )
b12915c1 2898 {
628c219e 2899 if ( ms_hRichEdit[i] && ms_hRichEdit[i] != INVALID_HINSTANCE )
a5aa8086
VZ
2900 {
2901 ::FreeLibrary(ms_hRichEdit[i]);
8c74e477 2902 ms_hRichEdit[i] = NULL;
a5aa8086 2903 }
b12915c1 2904 }
8ef51d67
JS
2905#if wxUSE_INKEDIT
2906 if (ms_inkEditLib.IsLoaded())
2907 ms_inkEditLib.Unload();
2908#endif
b12915c1
VZ
2909}
2910
2911/* static */
628c219e 2912bool wxRichEditModule::Load(Version version)
b12915c1 2913{
628c219e 2914 if ( ms_hRichEdit[version] == INVALID_HINSTANCE )
b12915c1 2915 {
a5aa8086 2916 // we had already tried to load it and failed
bfbb0b4c 2917 return false;
b12915c1
VZ
2918 }
2919
28978e0c
VZ
2920 if ( ms_hRichEdit[version] )
2921 {
2922 // we've already got this one
bfbb0b4c 2923 return true;
28978e0c
VZ
2924 }
2925
628c219e
VZ
2926 static const wxChar *dllnames[] =
2927 {
2928 _T("riched32"),
2929 _T("riched20"),
2930 _T("msftedit"),
2931 };
2932
2933 wxCOMPILE_TIME_ASSERT( WXSIZEOF(dllnames) == Version_Max,
2934 RichEditDllNamesVersionsMismatch );
b12915c1 2935
628c219e 2936 ms_hRichEdit[version] = ::LoadLibrary(dllnames[version]);
b12915c1 2937
a5aa8086 2938 if ( !ms_hRichEdit[version] )
b12915c1 2939 {
628c219e 2940 ms_hRichEdit[version] = INVALID_HINSTANCE;
b12915c1 2941
bfbb0b4c 2942 return false;
b12915c1
VZ
2943 }
2944
bfbb0b4c 2945 return true;
b12915c1
VZ
2946}
2947
8ef51d67
JS
2948#if wxUSE_INKEDIT
2949// load the InkEdit library
2950bool wxRichEditModule::LoadInkEdit()
2951{
2952 static wxDynamicLibrary ms_inkEditLib;
2953 static bool ms_inkEditLibLoadAttemped;
2954 if (ms_inkEditLibLoadAttemped)
2955 ms_inkEditLib.IsLoaded();
40ff126a 2956
8ef51d67 2957 ms_inkEditLibLoadAttemped = true;
40ff126a 2958
8ef51d67
JS
2959 wxLogNull logNull;
2960 return ms_inkEditLib.Load(wxT("inked"));
2961}
2962#endif
2963
2964
b12915c1
VZ
2965#endif // wxUSE_RICHEDIT
2966
3180bc0e 2967#endif // wxUSE_TEXTCTRL && !(__SMARTPHONE__ && __WXWINCE__)