-///////////////////////////////////////////////////////////////////////////////\r
-// Name: src/msw/textentry.cpp\r
-// Purpose: wxTextEntry implementation for wxMSW\r
-// Author: Vadim Zeitlin\r
-// Created: 2007-09-26\r
-// RCS-ID: $Id: wxhead.cpp,v 1.7 2007/01/09 16:22:45 zeitlin Exp $\r
-// Copyright: (c) 2007 Vadim Zeitlin <vadim@wxwindows.org>\r
-// Licence: wxWindows licence\r
-///////////////////////////////////////////////////////////////////////////////\r
-\r
-// ============================================================================\r
-// declarations\r
-// ============================================================================\r
-\r
-// ----------------------------------------------------------------------------\r
-// headers\r
-// ----------------------------------------------------------------------------\r
-\r
-// for compilers that support precompilation, includes "wx.h".\r
-#include "wx/wxprec.h"\r
-\r
-#ifdef __BORLANDC__\r
- #pragma hdrstop\r
-#endif\r
-\r
-#ifndef WX_PRECOMP\r
-#endif // WX_PRECOMP\r
-\r
-#include "wx/textentry.h"\r
-\r
-#include "wx/msw/private.h"\r
-\r
-#define GetEditHwnd() ((HWND)(GetEditHWND()))\r
-\r
-// ============================================================================\r
-// wxTextEntry implementation\r
-// ============================================================================\r
-\r
-void wxTextEntry::WriteText(const wxString& text)\r
-{\r
- ::SendMessage(GetEditHwnd(), EM_REPLACESEL, 0, (LPARAM)text.wx_str());\r
-}\r
-\r
-wxString wxTextEntry::GetValue() const\r
-{\r
- return wxGetWindowText(GetEditHWND());\r
-}\r
-\r
-void wxTextEntry::Remove(long from, long to)\r
-{\r
- DoSetSelection(from, to, SetSel_NoScroll);\r
- WriteText(wxString());\r
-}\r
-\r
-void wxTextEntry::Copy()\r
-{\r
- ::SendMessage(GetEditHwnd(), WM_COPY, 0, 0);\r
-}\r
-\r
-void wxTextEntry::Cut()\r
-{\r
- ::SendMessage(GetEditHwnd(), WM_CUT, 0, 0);\r
-}\r
-\r
-void wxTextEntry::Paste()\r
-{\r
- ::SendMessage(GetEditHwnd(), WM_PASTE, 0, 0);\r
-}\r
-\r
-void wxTextEntry::Undo()\r
-{\r
- ::SendMessage(GetEditHwnd(), EM_UNDO, 0, 0);\r
-}\r
-\r
-void wxTextEntry::Redo()\r
-{\r
- // same as Undo, since Undo undoes the undo\r
- return Undo();\r
-}\r
-\r
-bool wxTextEntry::CanUndo() const\r
-{\r
- return ::SendMessage(GetEditHwnd(), EM_CANUNDO, 0, 0) != 0;\r
-}\r
-\r
-bool wxTextEntry::CanRedo() const\r
-{\r
- // see comment in Redo()\r
- return CanUndo();\r
-}\r
-\r
-void wxTextEntry::SetInsertionPoint(long pos)\r
-{\r
- // be careful to call DoSetSelection() which is overridden in wxTextCtrl\r
- // and not just SetSelection() here\r
- DoSetSelection(pos, pos);\r
-}\r
-\r
-long wxTextEntry::GetInsertionPoint() const\r
-{\r
- long from;\r
- GetSelection(&from, NULL);\r
- return from;\r
-}\r
-\r
-long wxTextEntry::GetLastPosition() const\r
-{\r
- return ::SendMessage(GetEditHwnd(), EM_LINELENGTH, 0, 0);\r
-}\r
-\r
-void wxTextEntry::DoSetSelection(long from, long to, int WXUNUSED(flags))\r
-{\r
- // if from and to are both -1, it means (in wxWidgets) that all text should\r
- // be selected, translate this into Windows convention\r
- if ( (from == -1) && (to == -1) )\r
- {\r
- from = 0;\r
- }\r
-\r
- ::SendMessage(GetEditHwnd(), EM_SETSEL, from, to);\r
-}\r
-\r
-void wxTextEntry::GetSelection(long *from, long *to) const\r
-{\r
- DWORD dwStart, dwEnd;\r
- ::SendMessage(GetEditHwnd(), EM_GETSEL, (WPARAM)&dwStart, (LPARAM)&dwEnd);\r
-\r
- if ( from )\r
- *from = dwStart;\r
- if ( to )\r
- *to = dwEnd;\r
-}\r
-\r
-bool wxTextEntry::IsEditable() const\r
-{\r
- return (::GetWindowLong(GetEditHwnd(), GWL_STYLE) & ES_READONLY) != 0;\r
-}\r
-\r
-void wxTextEntry::SetEditable(bool editable)\r
-{\r
- ::SendMessage(GetEditHwnd(), EM_SETREADONLY, !editable, 0);\r
-}\r
-\r
-void wxTextEntry::SetMaxLength(unsigned long len)\r
-{\r
- if ( len >= 0xffff )\r
- {\r
- // this will set it to a platform-dependent maximum (much more\r
- // than 64Kb under NT)\r
- len = 0;\r
- }\r
-\r
- ::SendMessage(GetEditHwnd(), EM_LIMITTEXT, len, 0);\r
-}\r
+///////////////////////////////////////////////////////////////////////////////
+// Name: src/msw/textentry.cpp
+// Purpose: wxTextEntry implementation for wxMSW
+// Author: Vadim Zeitlin
+// Created: 2007-09-26
+// RCS-ID: $Id$
+// Copyright: (c) 2007 Vadim Zeitlin <vadim@wxwindows.org>
+// Licence: wxWindows licence
+///////////////////////////////////////////////////////////////////////////////
+
+// ============================================================================
+// declarations
+// ============================================================================
+
+// ----------------------------------------------------------------------------
+// headers
+// ----------------------------------------------------------------------------
+
+// for compilers that support precompilation, includes "wx.h".
+#include "wx/wxprec.h"
+
+#ifdef __BORLANDC__
+ #pragma hdrstop
+#endif
+
+#ifndef WX_PRECOMP
+ #include "wx/arrstr.h"
+ #include "wx/string.h"
+#endif // WX_PRECOMP
+
+#if wxUSE_TEXTCTRL || wxUSE_COMBOBOX
+
+#include "wx/textentry.h"
+#include "wx/dynlib.h"
+
+#include "wx/msw/private.h"
+
+#if wxUSE_UXTHEME
+ #include "wx/msw/uxtheme.h"
+#endif
+
+#define GetEditHwnd() ((HWND)(GetEditHWND()))
+
+// ----------------------------------------------------------------------------
+// wxIEnumString implements IEnumString interface
+// ----------------------------------------------------------------------------
+
+// standard VC6 SDK (WINVER == 0x0400) does not know about IAutoComplete
+#if wxUSE_OLE && (WINVER >= 0x0500)
+ #define HAS_AUTOCOMPLETE
+#endif
+
+#ifdef HAS_AUTOCOMPLETE
+
+#include "wx/msw/ole/oleutils.h"
+#include <shldisp.h>
+
+#if defined(__MINGW32__) || defined (__WATCOMC__)
+ // needed for IID_IAutoComplete, IID_IAutoComplete2 and ACO_AUTOSUGGEST
+ #include <shlguid.h>
+#endif
+
+#ifndef ACO_UPDOWNKEYDROPSLIST
+ #define ACO_UPDOWNKEYDROPSLIST 0x20
+#endif
+
+#ifndef SHACF_FILESYS_ONLY
+ #define SHACF_FILESYS_ONLY 0x00000010
+#endif
+
+DEFINE_GUID(CLSID_AutoComplete,
+ 0x00bb2763, 0x6a77, 0x11d0, 0xa5, 0x35, 0x00, 0xc0, 0x4f, 0xd7, 0xd0, 0x62);
+
+class wxIEnumString : public IEnumString
+{
+public:
+ wxIEnumString(const wxArrayString& strings) : m_strings(strings)
+ {
+ m_index = 0;
+ }
+
+ void ChangeStrings(const wxArrayString& strings)
+ {
+ m_strings = strings;
+ Reset();
+ }
+
+ DECLARE_IUNKNOWN_METHODS;
+
+ virtual HRESULT STDMETHODCALLTYPE Next(ULONG celt,
+ LPOLESTR *rgelt,
+ ULONG *pceltFetched)
+ {
+ if ( !rgelt || (!pceltFetched && celt > 1) )
+ return E_POINTER;
+
+ ULONG pceltFetchedDummy;
+ if ( !pceltFetched )
+ pceltFetched = &pceltFetchedDummy;
+
+ *pceltFetched = 0;
+
+ for ( const unsigned count = m_strings.size(); celt--; ++m_index )
+ {
+ if ( m_index == count )
+ return S_FALSE;
+
+ const wxWX2WCbuf wcbuf = m_strings[m_index].wc_str();
+ const size_t size = (wcslen(wcbuf) + 1)*sizeof(wchar_t);
+ void *olestr = CoTaskMemAlloc(size);
+ if ( !olestr )
+ return E_OUTOFMEMORY;
+
+ memcpy(olestr, wcbuf, size);
+
+ *rgelt++ = static_cast<LPOLESTR>(olestr);
+
+ ++(*pceltFetched);
+ }
+
+ return S_OK;
+ }
+
+ virtual HRESULT STDMETHODCALLTYPE Skip(ULONG celt)
+ {
+ m_index += celt;
+ if ( m_index > m_strings.size() )
+ {
+ m_index = m_strings.size();
+ return S_FALSE;
+ }
+
+ return S_OK;
+ }
+
+ virtual HRESULT STDMETHODCALLTYPE Reset()
+ {
+ m_index = 0;
+
+ return S_OK;
+ }
+
+ virtual HRESULT STDMETHODCALLTYPE Clone(IEnumString **ppEnum)
+ {
+ if ( !ppEnum )
+ return E_POINTER;
+
+ wxIEnumString *e = new wxIEnumString(m_strings);
+ e->m_index = m_index;
+
+ e->AddRef();
+ *ppEnum = e;
+
+ return S_OK;
+ }
+
+private:
+ // dtor doesn't have to be virtual as we're only ever deleted from our own
+ // Release() and are not meant to be derived form anyhow, but making it
+ // virtual silences gcc warnings; making it private makes it impossible to
+ // (mistakenly) delete us directly instead of calling Release()
+ virtual ~wxIEnumString() { }
+
+
+ wxArrayString m_strings;
+ unsigned m_index;
+
+ wxDECLARE_NO_COPY_CLASS(wxIEnumString);
+};
+
+BEGIN_IID_TABLE(wxIEnumString)
+ ADD_IID(Unknown)
+ ADD_IID(EnumString)
+END_IID_TABLE;
+
+IMPLEMENT_IUNKNOWN_METHODS(wxIEnumString)
+
+#endif // HAS_AUTOCOMPLETE
+
+// ============================================================================
+// wxTextEntry implementation
+// ============================================================================
+
+// ----------------------------------------------------------------------------
+// operations on text
+// ----------------------------------------------------------------------------
+
+void wxTextEntry::WriteText(const wxString& text)
+{
+ ::SendMessage(GetEditHwnd(), EM_REPLACESEL, 0, (LPARAM)text.wx_str());
+}
+
+wxString wxTextEntry::DoGetValue() const
+{
+ return wxGetWindowText(GetEditHWND());
+}
+
+void wxTextEntry::Remove(long from, long to)
+{
+ DoSetSelection(from, to, SetSel_NoScroll);
+ WriteText(wxString());
+}
+
+// ----------------------------------------------------------------------------
+// clipboard operations
+// ----------------------------------------------------------------------------
+
+void wxTextEntry::Copy()
+{
+ ::SendMessage(GetEditHwnd(), WM_COPY, 0, 0);
+}
+
+void wxTextEntry::Cut()
+{
+ ::SendMessage(GetEditHwnd(), WM_CUT, 0, 0);
+}
+
+void wxTextEntry::Paste()
+{
+ ::SendMessage(GetEditHwnd(), WM_PASTE, 0, 0);
+}
+
+// ----------------------------------------------------------------------------
+// undo/redo
+// ----------------------------------------------------------------------------
+
+void wxTextEntry::Undo()
+{
+ ::SendMessage(GetEditHwnd(), EM_UNDO, 0, 0);
+}
+
+void wxTextEntry::Redo()
+{
+ // same as Undo, since Undo undoes the undo
+ Undo();
+ return;
+}
+
+bool wxTextEntry::CanUndo() const
+{
+ return ::SendMessage(GetEditHwnd(), EM_CANUNDO, 0, 0) != 0;
+}
+
+bool wxTextEntry::CanRedo() const
+{
+ // see comment in Redo()
+ return CanUndo();
+}
+
+// ----------------------------------------------------------------------------
+// insertion point and selection
+// ----------------------------------------------------------------------------
+
+void wxTextEntry::SetInsertionPoint(long pos)
+{
+ // calling DoSetSelection(-1, -1) would select everything which is not what
+ // we want here
+ if ( pos == -1 )
+ pos = GetLastPosition();
+
+ // be careful to call DoSetSelection() which is overridden in wxTextCtrl
+ // and not just SetSelection() here
+ DoSetSelection(pos, pos);
+}
+
+long wxTextEntry::GetInsertionPoint() const
+{
+ long from;
+ GetSelection(&from, NULL);
+ return from;
+}
+
+long wxTextEntry::GetLastPosition() const
+{
+ return ::SendMessage(GetEditHwnd(), EM_LINELENGTH, 0, 0);
+}
+
+void wxTextEntry::DoSetSelection(long from, long to, int WXUNUSED(flags))
+{
+ // if from and to are both -1, it means (in wxWidgets) that all text should
+ // be selected, translate this into Windows convention
+ if ( (from == -1) && (to == -1) )
+ {
+ from = 0;
+ }
+
+ ::SendMessage(GetEditHwnd(), EM_SETSEL, from, to);
+}
+
+void wxTextEntry::GetSelection(long *from, long *to) const
+{
+ DWORD dwStart, dwEnd;
+ ::SendMessage(GetEditHwnd(), EM_GETSEL, (WPARAM)&dwStart, (LPARAM)&dwEnd);
+
+ if ( from )
+ *from = dwStart;
+ if ( to )
+ *to = dwEnd;
+}
+
+// ----------------------------------------------------------------------------
+// auto-completion
+// ----------------------------------------------------------------------------
+
+#if wxUSE_OLE
+bool wxTextEntry::AutoCompleteFileNames()
+{
+#ifdef HAS_AUTOCOMPLETE
+ typedef HRESULT (WINAPI *SHAutoComplete_t)(HWND, DWORD);
+ static SHAutoComplete_t s_pfnSHAutoComplete = (SHAutoComplete_t)-1;
+ static wxDynamicLibrary s_dllShlwapi;
+ if ( s_pfnSHAutoComplete == (SHAutoComplete_t)-1 )
+ {
+ if ( !s_dllShlwapi.Load(wxT("shlwapi.dll"), wxDL_VERBATIM | wxDL_QUIET) )
+ {
+ s_pfnSHAutoComplete = NULL;
+ }
+ else
+ {
+ wxDL_INIT_FUNC(s_pfn, SHAutoComplete, s_dllShlwapi);
+ }
+ }
+
+ if ( !s_pfnSHAutoComplete )
+ return false;
+
+ HRESULT hr = (*s_pfnSHAutoComplete)(GetEditHwnd(), SHACF_FILESYS_ONLY);
+ if ( FAILED(hr) )
+ {
+ wxLogApiError(wxT("SHAutoComplete()"), hr);
+
+ return false;
+ }
+ return true;
+#else // !HAS_AUTOCOMPLETE
+ return false;
+#endif // HAS_AUTOCOMPLETE/!HAS_AUTOCOMPLETE
+}
+
+bool wxTextEntry::AutoComplete(const wxArrayString& choices)
+{
+#ifdef HAS_AUTOCOMPLETE
+ // if we had an old enumerator we must reuse it as IAutoComplete doesn't
+ // free it if we call Init() again (see #10968) -- and it's also simpler
+ if ( m_enumStrings )
+ {
+ m_enumStrings->ChangeStrings(choices);
+ return true;
+ }
+
+ // create an object exposing IAutoComplete interface (don't go for
+ // IAutoComplete2 immediately as, presumably, it might be not available on
+ // older systems as otherwise why do we have both -- although in practice I
+ // don't know when can this happen)
+ IAutoComplete *pAutoComplete = NULL;
+ HRESULT hr = CoCreateInstance
+ (
+ CLSID_AutoComplete,
+ NULL,
+ CLSCTX_INPROC_SERVER,
+ IID_IAutoComplete,
+ reinterpret_cast<void **>(&pAutoComplete)
+ );
+ if ( FAILED(hr) )
+ {
+ wxLogApiError(wxT("CoCreateInstance(CLSID_AutoComplete)"), hr);
+ return false;
+ }
+
+ // associate it with our strings
+ m_enumStrings = new wxIEnumString(choices);
+ m_enumStrings->AddRef();
+ hr = pAutoComplete->Init(GetEditHwnd(), m_enumStrings, NULL, NULL);
+ m_enumStrings->Release();
+ if ( FAILED(hr) )
+ {
+ wxLogApiError(wxT("IAutoComplete::Init"), hr);
+ return false;
+ }
+
+ // if IAutoComplete2 is available, set more user-friendly options
+ IAutoComplete2 *pAutoComplete2 = NULL;
+ hr = pAutoComplete->QueryInterface
+ (
+ IID_IAutoComplete2,
+ reinterpret_cast<void **>(&pAutoComplete2)
+ );
+ if ( SUCCEEDED(hr) )
+ {
+ pAutoComplete2->SetOptions(ACO_AUTOSUGGEST | ACO_UPDOWNKEYDROPSLIST);
+ pAutoComplete2->Release();
+ }
+
+ // the docs are unclear about when can we release it but it seems safe to
+ // do it immediately, presumably the edit control itself keeps a reference
+ // to the auto completer object
+ pAutoComplete->Release();
+ return true;
+#else // !HAS_AUTOCOMPLETE
+ wxUnusedVar(choices);
+
+ return false;
+#endif // HAS_AUTOCOMPLETE/!HAS_AUTOCOMPLETE
+}
+#endif // wxUSE_OLE
+
+// ----------------------------------------------------------------------------
+// editable state
+// ----------------------------------------------------------------------------
+
+bool wxTextEntry::IsEditable() const
+{
+ return !(::GetWindowLong(GetEditHwnd(), GWL_STYLE) & ES_READONLY);
+}
+
+void wxTextEntry::SetEditable(bool editable)
+{
+ ::SendMessage(GetEditHwnd(), EM_SETREADONLY, !editable, 0);
+}
+
+// ----------------------------------------------------------------------------
+// max length
+// ----------------------------------------------------------------------------
+
+void wxTextEntry::SetMaxLength(unsigned long len)
+{
+ if ( len >= 0xffff )
+ {
+ // this will set it to a platform-dependent maximum (much more
+ // than 64Kb under NT)
+ len = 0;
+ }
+
+ ::SendMessage(GetEditHwnd(), EM_LIMITTEXT, len, 0);
+}
+
+// ----------------------------------------------------------------------------
+// hints
+// ----------------------------------------------------------------------------
+
+#if wxUSE_UXTHEME
+
+#ifndef EM_SETCUEBANNER
+ #define EM_SETCUEBANNER 0x1501
+ #define EM_GETCUEBANNER 0x1502
+#endif
+
+bool wxTextEntry::SetHint(const wxString& hint)
+{
+ if ( wxUxThemeEngine::GetIfActive() )
+ {
+ // notice that this message always works with Unicode strings
+ //
+ // we always use TRUE for wParam to show the hint even when the window
+ // has focus, otherwise there would be no way to show the hint for the
+ // initially focused window
+ if ( ::SendMessage(GetEditHwnd(), EM_SETCUEBANNER,
+ TRUE, (LPARAM)(const wchar_t *)hint.wc_str()) )
+ return true;
+ }
+
+ return wxTextEntryBase::SetHint(hint);
+}
+
+wxString wxTextEntry::GetHint() const
+{
+ if ( wxUxThemeEngine::GetIfActive() )
+ {
+ wchar_t buf[256];
+ if ( ::SendMessage(GetEditHwnd(), EM_GETCUEBANNER,
+ (WPARAM)buf, WXSIZEOF(buf)) )
+ return wxString(buf);
+ }
+
+ return wxTextEntryBase::GetHint();
+}
+
+
+#endif // wxUSE_UXTHEME
+
+// ----------------------------------------------------------------------------
+// margins support
+// ----------------------------------------------------------------------------
+
+bool wxTextEntry::DoSetMargins(const wxPoint& margins)
+{
+#if !defined(__WXWINCE__)
+ bool res = true;
+
+ if ( margins.x != -1 )
+ {
+ // left margin
+ ::SendMessage(GetEditHwnd(), EM_SETMARGINS,
+ EC_LEFTMARGIN, MAKELONG(margins.x, 0));
+ }
+
+ if ( margins.y != -1 )
+ {
+ res = false;
+ }
+
+ return res;
+#else
+ return false;
+#endif
+}
+
+wxPoint wxTextEntry::DoGetMargins() const
+{
+#if !defined(__WXWINCE__)
+ LRESULT lResult = ::SendMessage(GetEditHwnd(), EM_GETMARGINS,
+ 0, 0);
+ int left = LOWORD(lResult);
+ int top = -1;
+ return wxPoint(left, top);
+#else
+ return wxPoint(-1, -1);
+#endif
+}
+
+#endif // wxUSE_TEXTCTRL || wxUSE_COMBOBOX
projects / wxWidgets.git / blobdiff