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Sweden-Number/dlls/riched20/txthost.c

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/*
* RichEdit - ITextHost implementation for windowed richedit controls
*
* Copyright 2009 by Dylan Smith
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
#define COBJMACROS
#include "editor.h"
#include "ole2.h"
#include "richole.h"
#include "imm.h"
#include "textserv.h"
#include "wine/debug.h"
#include "editstr.h"
#include "rtf.h"
WINE_DEFAULT_DEBUG_CHANNEL(richedit);
struct host
{
ITextHost ITextHost_iface;
LONG ref;
ITextServices *text_srv;
ME_TextEditor *editor; /* to be removed */
HWND window, parent;
unsigned int emulate_10 : 1;
unsigned int dialog_mode : 1;
unsigned int want_return : 1;
unsigned int sel_bar : 1;
unsigned int client_edge : 1;
unsigned int use_set_rect : 1;
unsigned int use_back_colour : 1;
PARAFORMAT2 para_fmt;
DWORD props, scrollbars, event_mask;
RECT client_rect, set_rect;
COLORREF back_colour;
WCHAR password_char;
};
static const ITextHostVtbl textHostVtbl;
static BOOL listbox_registered;
static BOOL combobox_registered;
static void host_init_props( struct host *host )
{
DWORD style;
style = GetWindowLongW( host->window, GWL_STYLE );
/* text services assumes the scrollbars are originally not shown, so hide them.
However with ES_DISABLENOSCROLL it'll immediately show them, so don't bother */
if (!(style & ES_DISABLENOSCROLL)) ShowScrollBar( host->window, SB_BOTH, FALSE );
host->scrollbars = style & (WS_VSCROLL | WS_HSCROLL | ES_AUTOVSCROLL |
ES_AUTOHSCROLL | ES_DISABLENOSCROLL);
if (style & WS_VSCROLL) host->scrollbars |= ES_AUTOVSCROLL;
if ((style & WS_HSCROLL) && !host->emulate_10) host->scrollbars |= ES_AUTOHSCROLL;
host->props = TXTBIT_RICHTEXT | TXTBIT_ALLOWBEEP;
if (style & ES_MULTILINE) host->props |= TXTBIT_MULTILINE;
if (style & ES_READONLY) host->props |= TXTBIT_READONLY;
if (style & ES_PASSWORD) host->props |= TXTBIT_USEPASSWORD;
if (!(style & ES_NOHIDESEL)) host->props |= TXTBIT_HIDESELECTION;
if (style & ES_SAVESEL) host->props |= TXTBIT_SAVESELECTION;
if (style & ES_VERTICAL) host->props |= TXTBIT_VERTICAL;
if (style & ES_NOOLEDRAGDROP) host->props |= TXTBIT_DISABLEDRAG;
if (!(host->scrollbars & ES_AUTOHSCROLL)) host->props |= TXTBIT_WORDWRAP;
host->sel_bar = !!(style & ES_SELECTIONBAR);
host->want_return = !!(style & ES_WANTRETURN);
style = GetWindowLongW( host->window, GWL_EXSTYLE );
host->client_edge = !!(style & WS_EX_CLIENTEDGE);
}
struct host *host_create( HWND hwnd, CREATESTRUCTW *cs, BOOL emulate_10 )
{
struct host *texthost;
texthost = CoTaskMemAlloc(sizeof(*texthost));
if (!texthost) return NULL;
texthost->ITextHost_iface.lpVtbl = &textHostVtbl;
texthost->ref = 1;
texthost->window = hwnd;
texthost->parent = cs->hwndParent;
texthost->emulate_10 = emulate_10;
texthost->dialog_mode = 0;
memset( &texthost->para_fmt, 0, sizeof(texthost->para_fmt) );
texthost->para_fmt.cbSize = sizeof(texthost->para_fmt);
texthost->para_fmt.dwMask = PFM_ALIGNMENT;
texthost->para_fmt.wAlignment = PFA_LEFT;
if (cs->style & ES_RIGHT)
texthost->para_fmt.wAlignment = PFA_RIGHT;
if (cs->style & ES_CENTER)
texthost->para_fmt.wAlignment = PFA_CENTER;
texthost->editor = NULL;
host_init_props( texthost );
texthost->event_mask = 0;
texthost->use_set_rect = 0;
SetRectEmpty( &texthost->set_rect );
GetClientRect( hwnd, &texthost->client_rect );
texthost->use_back_colour = 0;
texthost->password_char = (texthost->props & TXTBIT_USEPASSWORD) ? '*' : 0;
return texthost;
}
static inline struct host *impl_from_ITextHost( ITextHost *iface )
{
return CONTAINING_RECORD( iface, struct host, ITextHost_iface );
}
static HRESULT WINAPI ITextHostImpl_QueryInterface( ITextHost *iface, REFIID riid, void **obj )
{
struct host *host = impl_from_ITextHost( iface );
if (IsEqualIID(riid, &IID_IUnknown) || IsEqualIID(riid, &IID_ITextHost))
{
*obj = &host->ITextHost_iface;
ITextHost_AddRef( (ITextHost *)*obj );
return S_OK;
}
FIXME("Unknown interface: %s\n", debugstr_guid(riid));
return E_NOINTERFACE;
}
static ULONG WINAPI ITextHostImpl_AddRef(ITextHost *iface)
{
struct host *host = impl_from_ITextHost( iface );
ULONG ref = InterlockedIncrement( &host->ref );
return ref;
}
static ULONG WINAPI ITextHostImpl_Release(ITextHost *iface)
{
struct host *host = impl_from_ITextHost( iface );
ULONG ref = InterlockedDecrement( &host->ref );
if (!ref)
{
SetWindowLongPtrW( host->window, 0, 0 );
ITextServices_Release( host->text_srv );
CoTaskMemFree( host );
}
return ref;
}
DEFINE_THISCALL_WRAPPER(ITextHostImpl_TxGetDC,4)
DECLSPEC_HIDDEN HDC __thiscall ITextHostImpl_TxGetDC(ITextHost *iface)
{
struct host *host = impl_from_ITextHost( iface );
return GetDC( host->window );
}
DEFINE_THISCALL_WRAPPER(ITextHostImpl_TxReleaseDC,8)
DECLSPEC_HIDDEN INT __thiscall ITextHostImpl_TxReleaseDC(ITextHost *iface, HDC hdc)
{
struct host *host = impl_from_ITextHost( iface );
return ReleaseDC( host->window, hdc );
}
DEFINE_THISCALL_WRAPPER(ITextHostImpl_TxShowScrollBar,12)
DECLSPEC_HIDDEN BOOL __thiscall ITextHostImpl_TxShowScrollBar( ITextHost *iface, INT bar, BOOL show )
{
struct host *host = impl_from_ITextHost( iface );
return ShowScrollBar( host->window, bar, show );
}
DEFINE_THISCALL_WRAPPER(ITextHostImpl_TxEnableScrollBar,12)
DECLSPEC_HIDDEN BOOL __thiscall ITextHostImpl_TxEnableScrollBar( ITextHost *iface, INT bar, INT arrows )
{
struct host *host = impl_from_ITextHost( iface );
return EnableScrollBar( host->window, bar, arrows );
}
DEFINE_THISCALL_WRAPPER(ITextHostImpl_TxSetScrollRange,20)
DECLSPEC_HIDDEN BOOL __thiscall ITextHostImpl_TxSetScrollRange( ITextHost *iface, INT bar, LONG min_pos, INT max_pos, BOOL redraw )
{
struct host *host = impl_from_ITextHost( iface );
return SetScrollRange( host->window, bar, min_pos, max_pos, redraw );
}
DEFINE_THISCALL_WRAPPER(ITextHostImpl_TxSetScrollPos,16)
DECLSPEC_HIDDEN BOOL __thiscall ITextHostImpl_TxSetScrollPos( ITextHost *iface, INT bar, INT pos, BOOL redraw )
{
struct host *host = impl_from_ITextHost( iface );
return SetScrollPos( host->window, bar, pos, redraw ) != 0;
}
DEFINE_THISCALL_WRAPPER(ITextHostImpl_TxInvalidateRect,12)
DECLSPEC_HIDDEN void __thiscall ITextHostImpl_TxInvalidateRect( ITextHost *iface, const RECT *rect, BOOL mode )
{
struct host *host = impl_from_ITextHost( iface );
InvalidateRect( host->window, rect, mode );
}
DEFINE_THISCALL_WRAPPER(ITextHostImpl_TxViewChange,8)
DECLSPEC_HIDDEN void __thiscall ITextHostImpl_TxViewChange( ITextHost *iface, BOOL update )
{
struct host *host = impl_from_ITextHost( iface );
if (update) UpdateWindow( host->window );
}
DEFINE_THISCALL_WRAPPER(ITextHostImpl_TxCreateCaret,16)
DECLSPEC_HIDDEN BOOL __thiscall ITextHostImpl_TxCreateCaret( ITextHost *iface, HBITMAP bitmap, INT width, INT height )
{
struct host *host = impl_from_ITextHost( iface );
return CreateCaret( host->window, bitmap, width, height );
}
DEFINE_THISCALL_WRAPPER(ITextHostImpl_TxShowCaret,8)
DECLSPEC_HIDDEN BOOL __thiscall ITextHostImpl_TxShowCaret( ITextHost *iface, BOOL show )
{
struct host *host = impl_from_ITextHost( iface );
if (show) return ShowCaret( host->window );
else return HideCaret( host->window );
}
DEFINE_THISCALL_WRAPPER(ITextHostImpl_TxSetCaretPos,12)
DECLSPEC_HIDDEN BOOL __thiscall ITextHostImpl_TxSetCaretPos( ITextHost *iface, INT x, INT y )
{
return SetCaretPos(x, y);
}
DEFINE_THISCALL_WRAPPER(ITextHostImpl_TxSetTimer,12)
DECLSPEC_HIDDEN BOOL __thiscall ITextHostImpl_TxSetTimer( ITextHost *iface, UINT id, UINT timeout )
{
struct host *host = impl_from_ITextHost( iface );
return SetTimer( host->window, id, timeout, NULL ) != 0;
}
DEFINE_THISCALL_WRAPPER(ITextHostImpl_TxKillTimer,8)
DECLSPEC_HIDDEN void __thiscall ITextHostImpl_TxKillTimer( ITextHost *iface, UINT id )
{
struct host *host = impl_from_ITextHost( iface );
KillTimer( host->window, id );
}
DEFINE_THISCALL_WRAPPER(ITextHostImpl_TxScrollWindowEx,32)
DECLSPEC_HIDDEN void __thiscall ITextHostImpl_TxScrollWindowEx( ITextHost *iface, INT dx, INT dy, const RECT *scroll,
const RECT *clip, HRGN update_rgn, RECT *update_rect,
UINT flags )
{
struct host *host = impl_from_ITextHost( iface );
ScrollWindowEx( host->window, dx, dy, scroll, clip, update_rgn, update_rect, flags );
}
DEFINE_THISCALL_WRAPPER(ITextHostImpl_TxSetCapture,8)
DECLSPEC_HIDDEN void __thiscall ITextHostImpl_TxSetCapture( ITextHost *iface, BOOL capture )
{
struct host *host = impl_from_ITextHost( iface );
if (capture) SetCapture( host->window );
else ReleaseCapture();
}
DEFINE_THISCALL_WRAPPER(ITextHostImpl_TxSetFocus,4)
DECLSPEC_HIDDEN void __thiscall ITextHostImpl_TxSetFocus(ITextHost *iface)
{
struct host *host = impl_from_ITextHost( iface );
SetFocus( host->window );
}
DEFINE_THISCALL_WRAPPER(ITextHostImpl_TxSetCursor,12)
DECLSPEC_HIDDEN void __thiscall ITextHostImpl_TxSetCursor( ITextHost *iface, HCURSOR cursor, BOOL text )
{
SetCursor( cursor );
}
DEFINE_THISCALL_WRAPPER(ITextHostImpl_TxScreenToClient,8)
DECLSPEC_HIDDEN BOOL __thiscall ITextHostImpl_TxScreenToClient( ITextHost *iface, POINT *pt )
{
struct host *host = impl_from_ITextHost( iface );
return ScreenToClient( host->window, pt );
}
DEFINE_THISCALL_WRAPPER(ITextHostImpl_TxClientToScreen,8)
DECLSPEC_HIDDEN BOOL __thiscall ITextHostImpl_TxClientToScreen( ITextHost *iface, POINT *pt )
{
struct host *host = impl_from_ITextHost( iface );
return ClientToScreen( host->window, pt );
}
DEFINE_THISCALL_WRAPPER(ITextHostImpl_TxActivate,8)
DECLSPEC_HIDDEN HRESULT __thiscall ITextHostImpl_TxActivate( ITextHost *iface, LONG *old_state )
{
struct host *host = impl_from_ITextHost( iface );
*old_state = HandleToLong( SetActiveWindow( host->window ) );
return *old_state ? S_OK : E_FAIL;
}
DEFINE_THISCALL_WRAPPER(ITextHostImpl_TxDeactivate,8)
DECLSPEC_HIDDEN HRESULT __thiscall ITextHostImpl_TxDeactivate( ITextHost *iface, LONG new_state )
{
HWND ret = SetActiveWindow( LongToHandle( new_state ) );
return ret ? S_OK : E_FAIL;
}
DEFINE_THISCALL_WRAPPER(ITextHostImpl_TxGetClientRect,8)
DECLSPEC_HIDDEN HRESULT __thiscall ITextHostImpl_TxGetClientRect( ITextHost *iface, RECT *rect )
{
struct host *host = impl_from_ITextHost( iface );
if (!host->use_set_rect)
{
*rect = host->client_rect;
if (host->client_edge) rect->top += 1;
InflateRect( rect, -1, 0 );
}
else *rect = host->set_rect;
return S_OK;
}
DEFINE_THISCALL_WRAPPER(ITextHostImpl_TxGetViewInset,8)
DECLSPEC_HIDDEN HRESULT __thiscall ITextHostImpl_TxGetViewInset( ITextHost *iface, RECT *rect )
{
SetRectEmpty( rect );
return S_OK;
}
DEFINE_THISCALL_WRAPPER(ITextHostImpl_TxGetCharFormat,8)
DECLSPEC_HIDDEN HRESULT __thiscall ITextHostImpl_TxGetCharFormat(ITextHost *iface, const CHARFORMATW **ppCF)
{
return E_NOTIMPL;
}
DEFINE_THISCALL_WRAPPER(ITextHostImpl_TxGetParaFormat,8)
DECLSPEC_HIDDEN HRESULT __thiscall ITextHostImpl_TxGetParaFormat( ITextHost *iface, const PARAFORMAT **fmt )
{
struct host *host = impl_from_ITextHost( iface );
*fmt = (const PARAFORMAT *)&host->para_fmt;
return S_OK;
}
DEFINE_THISCALL_WRAPPER(ITextHostImpl_TxGetSysColor,8)
DECLSPEC_HIDDEN COLORREF __thiscall ITextHostImpl_TxGetSysColor( ITextHost *iface, int index )
{
struct host *host = impl_from_ITextHost( iface );
if (index == COLOR_WINDOW && host->use_back_colour) return host->back_colour;
return GetSysColor( index );
}
DEFINE_THISCALL_WRAPPER(ITextHostImpl_TxGetBackStyle,8)
DECLSPEC_HIDDEN HRESULT __thiscall ITextHostImpl_TxGetBackStyle( ITextHost *iface, TXTBACKSTYLE *style )
{
*style = TXTBACK_OPAQUE;
return S_OK;
}
DEFINE_THISCALL_WRAPPER(ITextHostImpl_TxGetMaxLength,8)
DECLSPEC_HIDDEN HRESULT __thiscall ITextHostImpl_TxGetMaxLength( ITextHost *iface, DWORD *length )
{
*length = INFINITE;
return S_OK;
}
DEFINE_THISCALL_WRAPPER(ITextHostImpl_TxGetScrollBars,8)
DECLSPEC_HIDDEN HRESULT __thiscall ITextHostImpl_TxGetScrollBars( ITextHost *iface, DWORD *scrollbars )
{
struct host *host = impl_from_ITextHost( iface );
*scrollbars = host->scrollbars;
return S_OK;
}
DEFINE_THISCALL_WRAPPER(ITextHostImpl_TxGetPasswordChar,8)
DECLSPEC_HIDDEN HRESULT __thiscall ITextHostImpl_TxGetPasswordChar( ITextHost *iface, WCHAR *c )
{
struct host *host = impl_from_ITextHost( iface );
*c = host->password_char;
return *c ? S_OK : S_FALSE;
}
DEFINE_THISCALL_WRAPPER(ITextHostImpl_TxGetAcceleratorPos,8)
DECLSPEC_HIDDEN HRESULT __thiscall ITextHostImpl_TxGetAcceleratorPos( ITextHost *iface, LONG *pos )
{
*pos = -1;
return S_OK;
}
DEFINE_THISCALL_WRAPPER(ITextHostImpl_TxGetExtent,8)
DECLSPEC_HIDDEN HRESULT __thiscall ITextHostImpl_TxGetExtent( ITextHost *iface, SIZEL *extent )
{
return E_NOTIMPL;
}
DEFINE_THISCALL_WRAPPER(ITextHostImpl_OnTxCharFormatChange,8)
DECLSPEC_HIDDEN HRESULT __thiscall ITextHostImpl_OnTxCharFormatChange(ITextHost *iface, const CHARFORMATW *pcf)
{
return S_OK;
}
DEFINE_THISCALL_WRAPPER(ITextHostImpl_OnTxParaFormatChange,8)
DECLSPEC_HIDDEN HRESULT __thiscall ITextHostImpl_OnTxParaFormatChange(ITextHost *iface, const PARAFORMAT *ppf)
{
return S_OK;
}
DEFINE_THISCALL_WRAPPER(ITextHostImpl_TxGetPropertyBits,12)
DECLSPEC_HIDDEN HRESULT __thiscall ITextHostImpl_TxGetPropertyBits( ITextHost *iface, DWORD mask, DWORD *bits )
{
struct host *host = impl_from_ITextHost( iface );
*bits = host->props & mask;
return S_OK;
}
DEFINE_THISCALL_WRAPPER(ITextHostImpl_TxNotify,12)
DECLSPEC_HIDDEN HRESULT __thiscall ITextHostImpl_TxNotify(ITextHost *iface, DWORD iNotify, void *pv)
{
struct host *host = impl_from_ITextHost( iface );
HWND hwnd = host->window;
UINT id;
if (!host->editor || !host->editor->hwndParent) return S_OK;
id = GetWindowLongW(hwnd, GWLP_ID);
switch (iNotify)
{
case EN_DROPFILES:
case EN_LINK:
case EN_OLEOPFAILED:
case EN_PROTECTED:
case EN_REQUESTRESIZE:
case EN_SAVECLIPBOARD:
case EN_SELCHANGE:
case EN_STOPNOUNDO:
{
/* FIXME: Verify this assumption that pv starts with NMHDR. */
NMHDR *info = pv;
if (!info)
return E_FAIL;
info->hwndFrom = hwnd;
info->idFrom = id;
info->code = iNotify;
SendMessageW( host->editor->hwndParent, WM_NOTIFY, id, (LPARAM)info );
break;
}
case EN_UPDATE:
/* Only sent when the window is visible. */
if (!IsWindowVisible(hwnd))
break;
/* Fall through */
case EN_CHANGE:
case EN_ERRSPACE:
case EN_HSCROLL:
case EN_KILLFOCUS:
case EN_MAXTEXT:
case EN_SETFOCUS:
case EN_VSCROLL:
SendMessageW( host->editor->hwndParent, WM_COMMAND, MAKEWPARAM( id, iNotify ), (LPARAM)hwnd );
break;
case EN_MSGFILTER:
FIXME("EN_MSGFILTER is documented as not being sent to TxNotify\n");
/* fall through */
default:
return E_FAIL;
}
return S_OK;
}
DEFINE_THISCALL_WRAPPER(ITextHostImpl_TxImmGetContext,4)
DECLSPEC_HIDDEN HIMC __thiscall ITextHostImpl_TxImmGetContext(ITextHost *iface)
{
struct host *host = impl_from_ITextHost( iface );
return ImmGetContext( host->window );
}
DEFINE_THISCALL_WRAPPER(ITextHostImpl_TxImmReleaseContext,8)
DECLSPEC_HIDDEN void __thiscall ITextHostImpl_TxImmReleaseContext( ITextHost *iface, HIMC context )
{
struct host *host = impl_from_ITextHost( iface );
ImmReleaseContext( host->window, context );
}
DEFINE_THISCALL_WRAPPER(ITextHostImpl_TxGetSelectionBarWidth,8)
DECLSPEC_HIDDEN HRESULT __thiscall ITextHostImpl_TxGetSelectionBarWidth( ITextHost *iface, LONG *width )
{
struct host *host = impl_from_ITextHost( iface );
*width = host->sel_bar ? 225 : 0; /* in HIMETRIC */
return S_OK;
}
#ifdef __ASM_USE_THISCALL_WRAPPER
#define STDCALL(func) (void *) __stdcall_ ## func
#ifdef _MSC_VER
#define DEFINE_STDCALL_WRAPPER(num,func,args) \
__declspec(naked) HRESULT __stdcall_##func(void) \
{ \
__asm pop eax \
__asm pop ecx \
__asm push eax \
__asm mov eax, [ecx] \
__asm jmp dword ptr [eax + 4*num] \
}
#else /* _MSC_VER */
#define DEFINE_STDCALL_WRAPPER(num,func,args) \
extern HRESULT __stdcall_ ## func(void); \
__ASM_GLOBAL_FUNC(__stdcall_ ## func, \
"popl %eax\n\t" \
"popl %ecx\n\t" \
"pushl %eax\n\t" \
"movl (%ecx), %eax\n\t" \
"jmp *(4*(" #num "))(%eax)" )
#endif /* _MSC_VER */
DEFINE_STDCALL_WRAPPER(3,ITextHostImpl_TxGetDC,4)
DEFINE_STDCALL_WRAPPER(4,ITextHostImpl_TxReleaseDC,8)
DEFINE_STDCALL_WRAPPER(5,ITextHostImpl_TxShowScrollBar,12)
DEFINE_STDCALL_WRAPPER(6,ITextHostImpl_TxEnableScrollBar,12)
DEFINE_STDCALL_WRAPPER(7,ITextHostImpl_TxSetScrollRange,20)
DEFINE_STDCALL_WRAPPER(8,ITextHostImpl_TxSetScrollPos,16)
DEFINE_STDCALL_WRAPPER(9,ITextHostImpl_TxInvalidateRect,12)
DEFINE_STDCALL_WRAPPER(10,ITextHostImpl_TxViewChange,8)
DEFINE_STDCALL_WRAPPER(11,ITextHostImpl_TxCreateCaret,16)
DEFINE_STDCALL_WRAPPER(12,ITextHostImpl_TxShowCaret,8)
DEFINE_STDCALL_WRAPPER(13,ITextHostImpl_TxSetCaretPos,12)
DEFINE_STDCALL_WRAPPER(14,ITextHostImpl_TxSetTimer,12)
DEFINE_STDCALL_WRAPPER(15,ITextHostImpl_TxKillTimer,8)
DEFINE_STDCALL_WRAPPER(16,ITextHostImpl_TxScrollWindowEx,32)
DEFINE_STDCALL_WRAPPER(17,ITextHostImpl_TxSetCapture,8)
DEFINE_STDCALL_WRAPPER(18,ITextHostImpl_TxSetFocus,4)
DEFINE_STDCALL_WRAPPER(19,ITextHostImpl_TxSetCursor,12)
DEFINE_STDCALL_WRAPPER(20,ITextHostImpl_TxScreenToClient,8)
DEFINE_STDCALL_WRAPPER(21,ITextHostImpl_TxClientToScreen,8)
DEFINE_STDCALL_WRAPPER(22,ITextHostImpl_TxActivate,8)
DEFINE_STDCALL_WRAPPER(23,ITextHostImpl_TxDeactivate,8)
DEFINE_STDCALL_WRAPPER(24,ITextHostImpl_TxGetClientRect,8)
DEFINE_STDCALL_WRAPPER(25,ITextHostImpl_TxGetViewInset,8)
DEFINE_STDCALL_WRAPPER(26,ITextHostImpl_TxGetCharFormat,8)
DEFINE_STDCALL_WRAPPER(27,ITextHostImpl_TxGetParaFormat,8)
DEFINE_STDCALL_WRAPPER(28,ITextHostImpl_TxGetSysColor,8)
DEFINE_STDCALL_WRAPPER(29,ITextHostImpl_TxGetBackStyle,8)
DEFINE_STDCALL_WRAPPER(30,ITextHostImpl_TxGetMaxLength,8)
DEFINE_STDCALL_WRAPPER(31,ITextHostImpl_TxGetScrollBars,8)
DEFINE_STDCALL_WRAPPER(32,ITextHostImpl_TxGetPasswordChar,8)
DEFINE_STDCALL_WRAPPER(33,ITextHostImpl_TxGetAcceleratorPos,8)
DEFINE_STDCALL_WRAPPER(34,ITextHostImpl_TxGetExtent,8)
DEFINE_STDCALL_WRAPPER(35,ITextHostImpl_OnTxCharFormatChange,8)
DEFINE_STDCALL_WRAPPER(36,ITextHostImpl_OnTxParaFormatChange,8)
DEFINE_STDCALL_WRAPPER(37,ITextHostImpl_TxGetPropertyBits,12)
DEFINE_STDCALL_WRAPPER(38,ITextHostImpl_TxNotify,12)
DEFINE_STDCALL_WRAPPER(39,ITextHostImpl_TxImmGetContext,4)
DEFINE_STDCALL_WRAPPER(40,ITextHostImpl_TxImmReleaseContext,8)
DEFINE_STDCALL_WRAPPER(41,ITextHostImpl_TxGetSelectionBarWidth,8)
const ITextHostVtbl text_host_stdcall_vtbl =
{
NULL,
NULL,
NULL,
STDCALL(ITextHostImpl_TxGetDC),
STDCALL(ITextHostImpl_TxReleaseDC),
STDCALL(ITextHostImpl_TxShowScrollBar),
STDCALL(ITextHostImpl_TxEnableScrollBar),
STDCALL(ITextHostImpl_TxSetScrollRange),
STDCALL(ITextHostImpl_TxSetScrollPos),
STDCALL(ITextHostImpl_TxInvalidateRect),
STDCALL(ITextHostImpl_TxViewChange),
STDCALL(ITextHostImpl_TxCreateCaret),
STDCALL(ITextHostImpl_TxShowCaret),
STDCALL(ITextHostImpl_TxSetCaretPos),
STDCALL(ITextHostImpl_TxSetTimer),
STDCALL(ITextHostImpl_TxKillTimer),
STDCALL(ITextHostImpl_TxScrollWindowEx),
STDCALL(ITextHostImpl_TxSetCapture),
STDCALL(ITextHostImpl_TxSetFocus),
STDCALL(ITextHostImpl_TxSetCursor),
STDCALL(ITextHostImpl_TxScreenToClient),
STDCALL(ITextHostImpl_TxClientToScreen),
STDCALL(ITextHostImpl_TxActivate),
STDCALL(ITextHostImpl_TxDeactivate),
STDCALL(ITextHostImpl_TxGetClientRect),
STDCALL(ITextHostImpl_TxGetViewInset),
STDCALL(ITextHostImpl_TxGetCharFormat),
STDCALL(ITextHostImpl_TxGetParaFormat),
STDCALL(ITextHostImpl_TxGetSysColor),
STDCALL(ITextHostImpl_TxGetBackStyle),
STDCALL(ITextHostImpl_TxGetMaxLength),
STDCALL(ITextHostImpl_TxGetScrollBars),
STDCALL(ITextHostImpl_TxGetPasswordChar),
STDCALL(ITextHostImpl_TxGetAcceleratorPos),
STDCALL(ITextHostImpl_TxGetExtent),
STDCALL(ITextHostImpl_OnTxCharFormatChange),
STDCALL(ITextHostImpl_OnTxParaFormatChange),
STDCALL(ITextHostImpl_TxGetPropertyBits),
STDCALL(ITextHostImpl_TxNotify),
STDCALL(ITextHostImpl_TxImmGetContext),
STDCALL(ITextHostImpl_TxImmReleaseContext),
STDCALL(ITextHostImpl_TxGetSelectionBarWidth),
};
#endif /* __ASM_USE_THISCALL_WRAPPER */
static const ITextHostVtbl textHostVtbl =
{
ITextHostImpl_QueryInterface,
ITextHostImpl_AddRef,
ITextHostImpl_Release,
THISCALL(ITextHostImpl_TxGetDC),
THISCALL(ITextHostImpl_TxReleaseDC),
THISCALL(ITextHostImpl_TxShowScrollBar),
THISCALL(ITextHostImpl_TxEnableScrollBar),
THISCALL(ITextHostImpl_TxSetScrollRange),
THISCALL(ITextHostImpl_TxSetScrollPos),
THISCALL(ITextHostImpl_TxInvalidateRect),
THISCALL(ITextHostImpl_TxViewChange),
THISCALL(ITextHostImpl_TxCreateCaret),
THISCALL(ITextHostImpl_TxShowCaret),
THISCALL(ITextHostImpl_TxSetCaretPos),
THISCALL(ITextHostImpl_TxSetTimer),
THISCALL(ITextHostImpl_TxKillTimer),
THISCALL(ITextHostImpl_TxScrollWindowEx),
THISCALL(ITextHostImpl_TxSetCapture),
THISCALL(ITextHostImpl_TxSetFocus),
THISCALL(ITextHostImpl_TxSetCursor),
THISCALL(ITextHostImpl_TxScreenToClient),
THISCALL(ITextHostImpl_TxClientToScreen),
THISCALL(ITextHostImpl_TxActivate),
THISCALL(ITextHostImpl_TxDeactivate),
THISCALL(ITextHostImpl_TxGetClientRect),
THISCALL(ITextHostImpl_TxGetViewInset),
THISCALL(ITextHostImpl_TxGetCharFormat),
THISCALL(ITextHostImpl_TxGetParaFormat),
THISCALL(ITextHostImpl_TxGetSysColor),
THISCALL(ITextHostImpl_TxGetBackStyle),
THISCALL(ITextHostImpl_TxGetMaxLength),
THISCALL(ITextHostImpl_TxGetScrollBars),
THISCALL(ITextHostImpl_TxGetPasswordChar),
THISCALL(ITextHostImpl_TxGetAcceleratorPos),
THISCALL(ITextHostImpl_TxGetExtent),
THISCALL(ITextHostImpl_OnTxCharFormatChange),
THISCALL(ITextHostImpl_OnTxParaFormatChange),
THISCALL(ITextHostImpl_TxGetPropertyBits),
THISCALL(ITextHostImpl_TxNotify),
THISCALL(ITextHostImpl_TxImmGetContext),
THISCALL(ITextHostImpl_TxImmReleaseContext),
THISCALL(ITextHostImpl_TxGetSelectionBarWidth),
};
static const char * const edit_messages[] =
{
"EM_GETSEL", "EM_SETSEL", "EM_GETRECT", "EM_SETRECT",
"EM_SETRECTNP", "EM_SCROLL", "EM_LINESCROLL", "EM_SCROLLCARET",
"EM_GETMODIFY", "EM_SETMODIFY", "EM_GETLINECOUNT", "EM_LINEINDEX",
"EM_SETHANDLE", "EM_GETHANDLE", "EM_GETTHUMB", "EM_UNKNOWN_BF",
"EM_UNKNOWN_C0", "EM_LINELENGTH", "EM_REPLACESEL", "EM_UNKNOWN_C3",
"EM_GETLINE", "EM_LIMITTEXT", "EM_CANUNDO", "EM_UNDO",
"EM_FMTLINES", "EM_LINEFROMCHAR", "EM_UNKNOWN_CA", "EM_SETTABSTOPS",
"EM_SETPASSWORDCHAR", "EM_EMPTYUNDOBUFFER", "EM_GETFIRSTVISIBLELINE", "EM_SETREADONLY",
"EM_SETWORDBREAKPROC", "EM_GETWORDBREAKPROC", "EM_GETPASSWORDCHAR", "EM_SETMARGINS",
"EM_GETMARGINS", "EM_GETLIMITTEXT", "EM_POSFROMCHAR", "EM_CHARFROMPOS",
"EM_SETIMESTATUS", "EM_GETIMESTATUS"
};
static const char * const richedit_messages[] =
{
"EM_CANPASTE", "EM_DISPLAYBAND", "EM_EXGETSEL", "EM_EXLIMITTEXT",
"EM_EXLINEFROMCHAR", "EM_EXSETSEL", "EM_FINDTEXT", "EM_FORMATRANGE",
"EM_GETCHARFORMAT", "EM_GETEVENTMASK", "EM_GETOLEINTERFACE", "EM_GETPARAFORMAT",
"EM_GETSELTEXT", "EM_HIDESELECTION", "EM_PASTESPECIAL", "EM_REQUESTRESIZE",
"EM_SELECTIONTYPE", "EM_SETBKGNDCOLOR", "EM_SETCHARFORMAT", "EM_SETEVENTMASK",
"EM_SETOLECALLBACK", "EM_SETPARAFORMAT", "EM_SETTARGETDEVICE", "EM_STREAMIN",
"EM_STREAMOUT", "EM_GETTEXTRANGE", "EM_FINDWORDBREAK", "EM_SETOPTIONS",
"EM_GETOPTIONS", "EM_FINDTEXTEX", "EM_GETWORDBREAKPROCEX", "EM_SETWORDBREAKPROCEX",
"EM_SETUNDOLIMIT", "EM_UNKNOWN_USER_83", "EM_REDO", "EM_CANREDO",
"EM_GETUNDONAME", "EM_GETREDONAME", "EM_STOPGROUPTYPING", "EM_SETTEXTMODE",
"EM_GETTEXTMODE", "EM_AUTOURLDETECT", "EM_GETAUTOURLDETECT", "EM_SETPALETTE",
"EM_GETTEXTEX", "EM_GETTEXTLENGTHEX", "EM_SHOWSCROLLBAR", "EM_SETTEXTEX",
"EM_UNKNOWN_USER_98", "EM_UNKNOWN_USER_99", "EM_SETPUNCTUATION", "EM_GETPUNCTUATION",
"EM_SETWORDWRAPMODE", "EM_GETWORDWRAPMODE", "EM_SETIMECOLOR", "EM_GETIMECOLOR",
"EM_SETIMEOPTIONS", "EM_GETIMEOPTIONS", "EM_CONVPOSITION", "EM_UNKNOWN_USER_109",
"EM_UNKNOWN_USER_110", "EM_UNKNOWN_USER_111", "EM_UNKNOWN_USER_112", "EM_UNKNOWN_USER_113",
"EM_UNKNOWN_USER_114", "EM_UNKNOWN_USER_115", "EM_UNKNOWN_USER_116", "EM_UNKNOWN_USER_117",
"EM_UNKNOWN_USER_118", "EM_UNKNOWN_USER_119", "EM_SETLANGOPTIONS", "EM_GETLANGOPTIONS",
"EM_GETIMECOMPMODE", "EM_FINDTEXTW", "EM_FINDTEXTEXW", "EM_RECONVERSION",
"EM_SETIMEMODEBIAS", "EM_GETIMEMODEBIAS"
};
static const char *get_msg_name( UINT msg )
{
if (msg >= EM_GETSEL && msg <= EM_CHARFROMPOS)
return edit_messages[msg - EM_GETSEL];
if (msg >= EM_CANPASTE && msg <= EM_GETIMEMODEBIAS)
return richedit_messages[msg - EM_CANPASTE];
return "";
}
static BOOL create_windowed_editor( HWND hwnd, CREATESTRUCTW *create, BOOL emulate_10 )
{
struct host *host = host_create( hwnd, create, emulate_10 );
IUnknown *unk;
HRESULT hr;
if (!host) return FALSE;
hr = create_text_services( NULL, &host->ITextHost_iface, &unk, emulate_10, &host->editor );
if (FAILED( hr ))
{
ITextHost_Release( &host->ITextHost_iface );
return FALSE;
}
IUnknown_QueryInterface( unk, &IID_ITextServices, (void **)&host->text_srv );
IUnknown_Release( unk );
host->editor->hWnd = hwnd; /* FIXME: Remove editor's dependence on hWnd */
host->editor->hwndParent = create->hwndParent;
SetWindowLongPtrW( hwnd, 0, (LONG_PTR)host );
return TRUE;
}
static HRESULT get_lineA( ITextServices *text_srv, WPARAM wparam, LPARAM lparam, LRESULT *res )
{
LRESULT len = USHRT_MAX;
WORD sizeA;
HRESULT hr;
WCHAR *buf;
*res = 0;
sizeA = *(WORD *)lparam;
*(WORD *)lparam = 0;
if (!sizeA) return S_OK;
buf = heap_alloc( len * sizeof(WCHAR) );
if (!buf) return E_OUTOFMEMORY;
*(WORD *)buf = len;
hr = ITextServices_TxSendMessage( text_srv, EM_GETLINE, wparam, (LPARAM)buf, &len );
if (hr == S_OK && len)
{
len = WideCharToMultiByte( CP_ACP, 0, buf, len, (char *)lparam, sizeA, NULL, NULL );
if (!len && GetLastError() == ERROR_INSUFFICIENT_BUFFER) len = sizeA;
if (len < sizeA) ((char *)lparam)[len] = '\0';
*res = len;
}
heap_free( buf );
return hr;
}
static HRESULT get_text_rangeA( struct host *host, TEXTRANGEA *rangeA, LRESULT *res )
{
TEXTRANGEW range;
HRESULT hr;
unsigned int count;
LRESULT len;
*res = 0;
if (rangeA->chrg.cpMin < 0) return S_OK;
ITextServices_TxSendMessage( host->text_srv, WM_GETTEXTLENGTH, 0, 0, &len );
range.chrg = rangeA->chrg;
if ((range.chrg.cpMin == 0 && range.chrg.cpMax == -1) || range.chrg.cpMax > len)
range.chrg.cpMax = len;
if (range.chrg.cpMin >= range.chrg.cpMax) return S_OK;
count = range.chrg.cpMax - range.chrg.cpMin + 1;
range.lpstrText = heap_alloc( count * sizeof(WCHAR) );
if (!range.lpstrText) return E_OUTOFMEMORY;
hr = ITextServices_TxSendMessage( host->text_srv, EM_GETTEXTRANGE, 0, (LPARAM)&range, &len );
if (hr == S_OK && len)
{
if (!host->emulate_10) count = INT_MAX;
len = WideCharToMultiByte( CP_ACP, 0, range.lpstrText, -1, rangeA->lpstrText, count, NULL, NULL );
if (!host->emulate_10) *res = len - 1;
else
{
*res = count - 1;
rangeA->lpstrText[*res] = '\0';
}
}
heap_free( range.lpstrText );
return hr;
}
static HRESULT set_options( struct host *host, DWORD op, DWORD value, LRESULT *res )
{
DWORD style, old_options, new_options, change, props_mask = 0;
DWORD mask = ECO_AUTOWORDSELECTION | ECO_AUTOVSCROLL | ECO_AUTOHSCROLL | ECO_NOHIDESEL | ECO_READONLY |
ECO_WANTRETURN | ECO_SAVESEL | ECO_SELECTIONBAR | ECO_VERTICAL;
new_options = old_options = SendMessageW( host->window, EM_GETOPTIONS, 0, 0 );
switch (op)
{
case ECOOP_SET:
new_options = value;
break;
case ECOOP_OR:
new_options |= value;
break;
case ECOOP_AND:
new_options &= value;
break;
case ECOOP_XOR:
new_options ^= value;
}
new_options &= mask;
change = (new_options ^ old_options);
if (change & ECO_AUTOWORDSELECTION)
{
host->props ^= TXTBIT_AUTOWORDSEL;
props_mask |= TXTBIT_AUTOWORDSEL;
}
if (change & ECO_AUTOVSCROLL)
{
host->scrollbars ^= WS_VSCROLL;
props_mask |= TXTBIT_SCROLLBARCHANGE;
}
if (change & ECO_AUTOHSCROLL)
{
host->scrollbars ^= WS_HSCROLL;
props_mask |= TXTBIT_SCROLLBARCHANGE;
}
if (change & ECO_NOHIDESEL)
{
host->props ^= TXTBIT_HIDESELECTION;
props_mask |= TXTBIT_HIDESELECTION;
}
if (change & ECO_READONLY)
{
host->props ^= TXTBIT_READONLY;
props_mask |= TXTBIT_READONLY;
}
if (change & ECO_SAVESEL)
{
host->props ^= TXTBIT_SAVESELECTION;
props_mask |= TXTBIT_SAVESELECTION;
}
if (change & ECO_SELECTIONBAR)
{
host->sel_bar ^= 1;
props_mask |= TXTBIT_SELBARCHANGE;
if (host->use_set_rect)
{
int width = SELECTIONBAR_WIDTH;
host->set_rect.left += host->sel_bar ? width : -width;
props_mask |= TXTBIT_CLIENTRECTCHANGE;
}
}
if (change & ECO_VERTICAL)
{
host->props ^= TXTBIT_VERTICAL;
props_mask |= TXTBIT_VERTICAL;
}
if (change & ECO_WANTRETURN) host->want_return ^= 1;
if (props_mask)
ITextServices_OnTxPropertyBitsChange( host->text_srv, props_mask, host->props & props_mask );
*res = new_options;
mask &= ~ECO_AUTOWORDSELECTION; /* doesn't correspond to a window style */
style = GetWindowLongW( host->window, GWL_STYLE );
style = (style & ~mask) | (*res & mask);
SetWindowLongW( host->window, GWL_STYLE, style );
return S_OK;
}
/* handle dialog mode VK_RETURN. Returns TRUE if message has been processed */
static BOOL handle_dialog_enter( struct host *host )
{
BOOL ctrl_is_down = GetKeyState( VK_CONTROL ) & 0x8000;
if (ctrl_is_down) return TRUE;
if (host->want_return) return FALSE;
if (host->parent)
{
DWORD id = SendMessageW( host->parent, DM_GETDEFID, 0, 0 );
if (HIWORD( id ) == DC_HASDEFID)
{
HWND ctrl = GetDlgItem( host->parent, LOWORD( id ));
if (ctrl)
{
SendMessageW( host->parent, WM_NEXTDLGCTL, (WPARAM)ctrl, TRUE );
PostMessageW( ctrl, WM_KEYDOWN, VK_RETURN, 0 );
}
}
}
return TRUE;
}
static LRESULT send_msg_filter( struct host *host, UINT msg, WPARAM *wparam, LPARAM *lparam )
{
MSGFILTER msgf;
LRESULT res;
if (!host->parent) return 0;
msgf.nmhdr.hwndFrom = host->window;
msgf.nmhdr.idFrom = GetWindowLongW( host->window, GWLP_ID );
msgf.nmhdr.code = EN_MSGFILTER;
msgf.msg = msg;
msgf.wParam = *wparam;
msgf.lParam = *lparam;
if ((res = SendMessageW( host->parent, WM_NOTIFY, msgf.nmhdr.idFrom, (LPARAM)&msgf )))
return res;
*wparam = msgf.wParam;
*lparam = msgf.lParam;
return 0;
}
static LRESULT RichEditWndProc_common( HWND hwnd, UINT msg, WPARAM wparam,
LPARAM lparam, BOOL unicode )
{
struct host *host;
ME_TextEditor *editor;
HRESULT hr = S_OK;
LRESULT res = 0;
TRACE( "enter hwnd %p msg %04x (%s) %lx %lx, unicode %d\n",
hwnd, msg, get_msg_name(msg), wparam, lparam, unicode );
host = (struct host *)GetWindowLongPtrW( hwnd, 0 );
if (!host)
{
if (msg == WM_NCCREATE)
{
CREATESTRUCTW *pcs = (CREATESTRUCTW *)lparam;
TRACE( "WM_NCCREATE: hwnd %p style 0x%08x\n", hwnd, pcs->style );
return create_windowed_editor( hwnd, pcs, FALSE );
}
else return DefWindowProcW( hwnd, msg, wparam, lparam );
}
if ((((host->event_mask & ENM_KEYEVENTS) && msg >= WM_KEYFIRST && msg <= WM_KEYLAST) ||
((host->event_mask & ENM_MOUSEEVENTS) && msg >= WM_MOUSEFIRST && msg <= WM_MOUSELAST)) &&
send_msg_filter( host, msg, &wparam, &lparam ))
{
TRACE( "exit (filtered) hwnd %p msg %04x (%s) %lx %lx -> %lu\n",
hwnd, msg, get_msg_name(msg), wparam, lparam, res );
return res;
}
editor = host->editor;
switch (msg)
{
case WM_CHAR:
{
WCHAR wc = wparam;
if (!unicode) MultiByteToWideChar( CP_ACP, 0, (char *)&wparam, 1, &wc, 1 );
if (wparam == '\r' && host->dialog_mode && host->emulate_10 && handle_dialog_enter( host )) break;
hr = ITextServices_TxSendMessage( host->text_srv, msg, wc, lparam, &res );
break;
}
case WM_CREATE:
{
CREATESTRUCTW *createW = (CREATESTRUCTW *)lparam;
CREATESTRUCTA *createA = (CREATESTRUCTA *)lparam;
void *text;
WCHAR *textW = NULL;
LONG codepage = unicode ? CP_UNICODE : CP_ACP;
int len;
ITextServices_OnTxPropertyBitsChange( host->text_srv, TXTBIT_CLIENTRECTCHANGE, 0 );
if (lparam)
{
text = unicode ? (void *)createW->lpszName : (void *)createA->lpszName;
textW = ME_ToUnicode( codepage, text, &len );
}
ITextServices_TxSetText( host->text_srv, textW );
if (lparam) ME_EndToUnicode( codepage, textW );
break;
}
case WM_DESTROY:
ITextHost_Release( &host->ITextHost_iface );
return 0;
case WM_ERASEBKGND:
{
HDC hdc = (HDC)wparam;
RECT rc;
HBRUSH brush;
if (GetUpdateRect( editor->hWnd, &rc, TRUE ))
{
brush = CreateSolidBrush( ITextHost_TxGetSysColor( &host->ITextHost_iface, COLOR_WINDOW ) );
FillRect( hdc, &rc, brush );
DeleteObject( brush );
}
return 1;
}
case EM_FINDTEXT:
{
FINDTEXTW *params = (FINDTEXTW *)lparam;
FINDTEXTW new_params;
int len;
if (!unicode)
{
new_params.chrg = params->chrg;
new_params.lpstrText = ME_ToUnicode( CP_ACP, (char *)params->lpstrText, &len );
params = &new_params;
}
hr = ITextServices_TxSendMessage( host->text_srv, EM_FINDTEXTW, wparam, (LPARAM)params, &res );
if (!unicode) ME_EndToUnicode( CP_ACP, (WCHAR *)new_params.lpstrText );
break;
}
case EM_FINDTEXTEX:
{
FINDTEXTEXA *paramsA = (FINDTEXTEXA *)lparam;
FINDTEXTEXW *params = (FINDTEXTEXW *)lparam;
FINDTEXTEXW new_params;
int len;
if (!unicode)
{
new_params.chrg = params->chrg;
new_params.lpstrText = ME_ToUnicode( CP_ACP, (char *)params->lpstrText, &len );
params = &new_params;
}
hr = ITextServices_TxSendMessage( host->text_srv, EM_FINDTEXTEXW, wparam, (LPARAM)params, &res );
if (!unicode)
{
ME_EndToUnicode( CP_ACP, (WCHAR *)new_params.lpstrText );
paramsA->chrgText = params->chrgText;
}
break;
}
case WM_GETDLGCODE:
if (lparam) host->dialog_mode = TRUE;
res = DLGC_WANTCHARS | DLGC_WANTTAB | DLGC_WANTARROWS;
if (host->props & TXTBIT_MULTILINE) res |= DLGC_WANTMESSAGE;
if (!(host->props & TXTBIT_SAVESELECTION)) res |= DLGC_HASSETSEL;
break;
case EM_GETLINE:
if (unicode) hr = ITextServices_TxSendMessage( host->text_srv, msg, wparam, lparam, &res );
else hr = get_lineA( host->text_srv, wparam, lparam, &res );
break;
case EM_GETPASSWORDCHAR:
ITextHost_TxGetPasswordChar( &host->ITextHost_iface, (WCHAR *)&res );
break;
case EM_GETRECT:
hr = ITextHost_TxGetClientRect( &host->ITextHost_iface, (RECT *)lparam );
break;
case EM_GETSELTEXT:
{
TEXTRANGEA range;
if (unicode) hr = ITextServices_TxSendMessage( host->text_srv, msg, wparam, lparam, &res );
else
{
ITextServices_TxSendMessage( host->text_srv, EM_EXGETSEL, 0, (LPARAM)&range.chrg, &res );
range.lpstrText = (char *)lparam;
range.lpstrText[0] = '\0';
hr = get_text_rangeA( host, &range, &res );
}
break;
}
case EM_GETOPTIONS:
if (host->props & TXTBIT_READONLY) res |= ECO_READONLY;
if (!(host->props & TXTBIT_HIDESELECTION)) res |= ECO_NOHIDESEL;
if (host->props & TXTBIT_SAVESELECTION) res |= ECO_SAVESEL;
if (host->props & TXTBIT_AUTOWORDSEL) res |= ECO_AUTOWORDSELECTION;
if (host->props & TXTBIT_VERTICAL) res |= ECO_VERTICAL;
if (host->scrollbars & ES_AUTOHSCROLL) res |= ECO_AUTOHSCROLL;
if (host->scrollbars & ES_AUTOVSCROLL) res |= ECO_AUTOVSCROLL;
if (host->want_return) res |= ECO_WANTRETURN;
if (host->sel_bar) res |= ECO_SELECTIONBAR;
break;
case WM_GETTEXT:
{
GETTEXTEX params;
params.cb = wparam * (unicode ? sizeof(WCHAR) : sizeof(CHAR));
params.flags = GT_USECRLF;
params.codepage = unicode ? CP_UNICODE : CP_ACP;
params.lpDefaultChar = NULL;
params.lpUsedDefChar = NULL;
hr = ITextServices_TxSendMessage( host->text_srv, EM_GETTEXTEX, (WPARAM)&params, lparam, &res );
break;
}
case WM_GETTEXTLENGTH:
{
GETTEXTLENGTHEX params;
params.flags = GTL_CLOSE | (host->emulate_10 ? 0 : GTL_USECRLF) | GTL_NUMCHARS;
params.codepage = unicode ? CP_UNICODE : CP_ACP;
hr = ITextServices_TxSendMessage( host->text_srv, EM_GETTEXTLENGTHEX, (WPARAM)&params, 0, &res );
break;
}
case EM_GETTEXTRANGE:
if (unicode) hr = ITextServices_TxSendMessage( host->text_srv, msg, wparam, lparam, &res );
else hr = get_text_rangeA( host, (TEXTRANGEA *)lparam, &res );
break;
case WM_KEYDOWN:
switch (LOWORD( wparam ))
{
case VK_ESCAPE:
if (host->dialog_mode && host->parent)
PostMessageW( host->parent, WM_CLOSE, 0, 0 );
break;
case VK_TAB:
if (host->dialog_mode && host->parent)
SendMessageW( host->parent, WM_NEXTDLGCTL, GetKeyState( VK_SHIFT ) & 0x8000, 0 );
break;
case VK_RETURN:
if (host->dialog_mode && !host->emulate_10 && handle_dialog_enter( host )) break;
/* fall through */
default:
hr = ITextServices_TxSendMessage( host->text_srv, msg, wparam, lparam, &res );
}
break;
case WM_PAINT:
{
HDC hdc;
RECT rc;
PAINTSTRUCT ps;
HBRUSH brush = CreateSolidBrush( ITextHost_TxGetSysColor( &host->ITextHost_iface, COLOR_WINDOW ) );
update_caret( editor );
hdc = BeginPaint( editor->hWnd, &ps );
if (!editor->bEmulateVersion10 || (editor->nEventMask & ENM_UPDATE))
ME_SendOldNotify( editor, EN_UPDATE );
brush = SelectObject( hdc, brush );
/* Erase area outside of the formatting rectangle */
if (ps.rcPaint.top < editor->rcFormat.top)
{
rc = ps.rcPaint;
rc.bottom = editor->rcFormat.top;
PatBlt( hdc, rc.left, rc.top, rc.right - rc.left, rc.bottom - rc.top, PATCOPY );
ps.rcPaint.top = editor->rcFormat.top;
}
if (ps.rcPaint.bottom > editor->rcFormat.bottom)
{
rc = ps.rcPaint;
rc.top = editor->rcFormat.bottom;
PatBlt( hdc, rc.left, rc.top, rc.right - rc.left, rc.bottom - rc.top, PATCOPY );
ps.rcPaint.bottom = editor->rcFormat.bottom;
}
if (ps.rcPaint.left < editor->rcFormat.left)
{
rc = ps.rcPaint;
rc.right = editor->rcFormat.left;
PatBlt( hdc, rc.left, rc.top, rc.right - rc.left, rc.bottom - rc.top, PATCOPY );
ps.rcPaint.left = editor->rcFormat.left;
}
if (ps.rcPaint.right > editor->rcFormat.right)
{
rc = ps.rcPaint;
rc.left = editor->rcFormat.right;
PatBlt( hdc, rc.left, rc.top, rc.right - rc.left, rc.bottom - rc.top, PATCOPY );
ps.rcPaint.right = editor->rcFormat.right;
}
ME_PaintContent( editor, hdc, &ps.rcPaint );
DeleteObject( SelectObject( hdc, brush ) );
EndPaint( editor->hWnd, &ps );
return 0;
}
case EM_REPLACESEL:
{
int len;
LONG codepage = unicode ? CP_UNICODE : CP_ACP;
WCHAR *text = ME_ToUnicode( codepage, (void *)lparam, &len );
hr = ITextServices_TxSendMessage( host->text_srv, msg, wparam, (LPARAM)text, &res );
ME_EndToUnicode( codepage, text );
res = len;
break;
}
case EM_SETBKGNDCOLOR:
res = ITextHost_TxGetSysColor( &host->ITextHost_iface, COLOR_WINDOW );
host->use_back_colour = !wparam;
if (host->use_back_colour) host->back_colour = lparam;
InvalidateRect( hwnd, NULL, TRUE );
break;
case WM_SETCURSOR:
{
POINT pos;
RECT rect;
if (hwnd != (HWND)wparam) break;
GetCursorPos( &pos );
ScreenToClient( hwnd, &pos );
ITextHost_TxGetClientRect( &host->ITextHost_iface, &rect );
if (PtInRect( &rect, pos ))
ITextServices_OnTxSetCursor( host->text_srv, DVASPECT_CONTENT, 0, NULL, NULL, NULL, NULL, NULL, pos.x, pos.y );
else ITextHost_TxSetCursor( &host->ITextHost_iface, LoadCursorW( NULL, MAKEINTRESOURCEW( IDC_ARROW ) ), FALSE );
break;
}
case EM_SETEVENTMASK:
host->event_mask = lparam;
hr = ITextServices_TxSendMessage( host->text_srv, msg, wparam, lparam, &res );
break;
case EM_SETOPTIONS:
hr = set_options( host, wparam, lparam, &res );
break;
case EM_SETPASSWORDCHAR:
if (wparam == host->password_char) break;
host->password_char = wparam;
if (wparam) host->props |= TXTBIT_USEPASSWORD;
else host->props &= ~TXTBIT_USEPASSWORD;
ITextServices_OnTxPropertyBitsChange( host->text_srv, TXTBIT_USEPASSWORD, host->props & TXTBIT_USEPASSWORD );
break;
case EM_SETREADONLY:
{
DWORD op = wparam ? ECOOP_OR : ECOOP_AND;
DWORD mask = wparam ? ECO_READONLY : ~ECO_READONLY;
SendMessageW( hwnd, EM_SETOPTIONS, op, mask );
return 1;
}
case EM_SETRECT:
case EM_SETRECTNP:
{
RECT *rc = (RECT *)lparam;
if (!rc) host->use_set_rect = 0;
else
{
if (wparam >= 2) break;
host->set_rect = *rc;
if (host->client_edge)
{
InflateRect( &host->set_rect, 1, 0 );
host->set_rect.top -= 1;
}
if (!wparam) IntersectRect( &host->set_rect, &host->set_rect, &host->client_rect );
host->use_set_rect = 1;
}
ITextServices_OnTxPropertyBitsChange( host->text_srv, TXTBIT_CLIENTRECTCHANGE, 0 );
break;
}
case WM_SETTEXT:
{
char *textA = (char *)lparam;
WCHAR *text = (WCHAR *)lparam;
int len;
if (!unicode && textA && strncmp( textA, "{\\rtf", 5 ) && strncmp( textA, "{\\urtf", 6 ))
text = ME_ToUnicode( CP_ACP, textA, &len );
hr = ITextServices_TxSendMessage( host->text_srv, msg, wparam, (LPARAM)text, &res );
if (text != (WCHAR *)lparam) ME_EndToUnicode( CP_ACP, text );
break;
}
case EM_SHOWSCROLLBAR:
{
DWORD mask = 0, new;
if (wparam == SB_HORZ) mask = WS_HSCROLL;
else if (wparam == SB_VERT) mask = WS_VSCROLL;
else if (wparam == SB_BOTH) mask = WS_HSCROLL | WS_VSCROLL;
if (mask)
{
new = lparam ? mask : 0;
if ((host->scrollbars & mask) != new)
{
host->scrollbars &= ~mask;
host->scrollbars |= new;
ITextServices_OnTxPropertyBitsChange( host->text_srv, TXTBIT_SCROLLBARCHANGE, 0 );
}
}
res = 0;
break;
}
case WM_WINDOWPOSCHANGED:
{
RECT client;
WINDOWPOS *winpos = (WINDOWPOS *)lparam;
hr = S_FALSE; /* call defwndproc */
if (winpos->flags & SWP_NOCLIENTSIZE) break;
GetClientRect( hwnd, &client );
if (host->use_set_rect)
{
host->set_rect.right += client.right - host->client_rect.right;
host->set_rect.bottom += client.bottom - host->client_rect.bottom;
}
host->client_rect = client;
ITextServices_OnTxPropertyBitsChange( host->text_srv, TXTBIT_CLIENTRECTCHANGE, 0 );
break;
}
default:
hr = ITextServices_TxSendMessage( host->text_srv, msg, wparam, lparam, &res );
}
if (hr == S_FALSE)
res = DefWindowProcW( hwnd, msg, wparam, lparam );
TRACE( "exit hwnd %p msg %04x (%s) %lx %lx, unicode %d -> %lu\n",
hwnd, msg, get_msg_name(msg), wparam, lparam, unicode, res );
return res;
}
static LRESULT WINAPI RichEditWndProcW( HWND hwnd, UINT msg, WPARAM wparam, LPARAM lparam )
{
BOOL unicode = TRUE;
/* Under Win9x RichEdit20W returns ANSI strings, see the tests. */
if (msg == WM_GETTEXT && (GetVersion() & 0x80000000))
unicode = FALSE;
return RichEditWndProc_common( hwnd, msg, wparam, lparam, unicode );
}
static LRESULT WINAPI RichEditWndProcA( HWND hwnd, UINT msg, WPARAM wparam, LPARAM lparam )
{
return RichEditWndProc_common( hwnd, msg, wparam, lparam, FALSE );
}
/******************************************************************
* RichEditANSIWndProc (RICHED20.10)
*/
LRESULT WINAPI RichEditANSIWndProc( HWND hwnd, UINT msg, WPARAM wparam, LPARAM lparam )
{
return RichEditWndProcA( hwnd, msg, wparam, lparam );
}
/******************************************************************
* RichEdit10ANSIWndProc (RICHED20.9)
*/
LRESULT WINAPI RichEdit10ANSIWndProc( HWND hwnd, UINT msg, WPARAM wparam, LPARAM lparam )
{
if (msg == WM_NCCREATE && !GetWindowLongPtrW( hwnd, 0 ))
{
CREATESTRUCTW *pcs = (CREATESTRUCTW *)lparam;
TRACE( "WM_NCCREATE: hwnd %p style 0x%08x\n", hwnd, pcs->style );
return create_windowed_editor( hwnd, pcs, TRUE );
}
return RichEditANSIWndProc( hwnd, msg, wparam, lparam );
}
static LRESULT WINAPI REComboWndProc( HWND hwnd, UINT msg, WPARAM wparam, LPARAM lparam )
{
/* FIXME: Not implemented */
TRACE( "hwnd %p msg %04x (%s) %08lx %08lx\n",
hwnd, msg, get_msg_name( msg ), wparam, lparam );
return DefWindowProcW( hwnd, msg, wparam, lparam );
}
static LRESULT WINAPI REListWndProc( HWND hwnd, UINT msg, WPARAM wparam, LPARAM lparam )
{
/* FIXME: Not implemented */
TRACE( "hwnd %p msg %04x (%s) %08lx %08lx\n",
hwnd, msg, get_msg_name( msg ), wparam, lparam );
return DefWindowProcW( hwnd, msg, wparam, lparam );
}
/******************************************************************
* REExtendedRegisterClass (RICHED20.8)
*
* FIXME undocumented
* Need to check for errors and implement controls and callbacks
*/
LRESULT WINAPI REExtendedRegisterClass( void )
{
WNDCLASSW wc;
UINT result;
FIXME( "semi stub\n" );
wc.cbClsExtra = 0;
wc.cbWndExtra = 4;
wc.hInstance = NULL;
wc.hIcon = NULL;
wc.hCursor = NULL;
wc.hbrBackground = (HBRUSH)(COLOR_WINDOW + 1);
wc.lpszMenuName = NULL;
if (!listbox_registered)
{
wc.style = CS_PARENTDC | CS_DBLCLKS | CS_GLOBALCLASS;
wc.lpfnWndProc = REListWndProc;
wc.lpszClassName = L"REListBox20W";
if (RegisterClassW( &wc )) listbox_registered = TRUE;
}
if (!combobox_registered)
{
wc.style = CS_PARENTDC | CS_DBLCLKS | CS_GLOBALCLASS | CS_VREDRAW | CS_HREDRAW;
wc.lpfnWndProc = REComboWndProc;
wc.lpszClassName = L"REComboBox20W";
if (RegisterClassW( &wc )) combobox_registered = TRUE;
}
result = 0;
if (listbox_registered) result += 1;
if (combobox_registered) result += 2;
return result;
}
static BOOL register_classes( HINSTANCE instance )
{
WNDCLASSW wcW;
WNDCLASSA wcA;
wcW.style = CS_DBLCLKS | CS_HREDRAW | CS_VREDRAW | CS_GLOBALCLASS;
wcW.lpfnWndProc = RichEditWndProcW;
wcW.cbClsExtra = 0;
wcW.cbWndExtra = sizeof(ME_TextEditor *);
wcW.hInstance = NULL; /* hInstance would register DLL-local class */
wcW.hIcon = NULL;
wcW.hCursor = LoadCursorW( NULL, (LPWSTR)IDC_IBEAM );
wcW.hbrBackground = GetStockObject( NULL_BRUSH );
wcW.lpszMenuName = NULL;
if (!(GetVersion() & 0x80000000))
{
wcW.lpszClassName = RICHEDIT_CLASS20W;
if (!RegisterClassW( &wcW )) return FALSE;
wcW.lpszClassName = MSFTEDIT_CLASS;
if (!RegisterClassW( &wcW )) return FALSE;
}
else
{
/* WNDCLASSA/W have the same layout */
wcW.lpszClassName = (LPCWSTR)"RichEdit20W";
if (!RegisterClassA( (WNDCLASSA *)&wcW )) return FALSE;
wcW.lpszClassName = (LPCWSTR)"RichEdit50W";
if (!RegisterClassA( (WNDCLASSA *)&wcW )) return FALSE;
}
wcA.style = CS_DBLCLKS | CS_HREDRAW | CS_VREDRAW | CS_GLOBALCLASS;
wcA.lpfnWndProc = RichEditWndProcA;
wcA.cbClsExtra = 0;
wcA.cbWndExtra = sizeof(ME_TextEditor *);
wcA.hInstance = NULL; /* hInstance would register DLL-local class */
wcA.hIcon = NULL;
wcA.hCursor = LoadCursorW( NULL, (LPWSTR)IDC_IBEAM );
wcA.hbrBackground = GetStockObject(NULL_BRUSH);
wcA.lpszMenuName = NULL;
wcA.lpszClassName = RICHEDIT_CLASS20A;
if (!RegisterClassA( &wcA )) return FALSE;
wcA.lpszClassName = "RichEdit50A";
if (!RegisterClassA( &wcA )) return FALSE;
return TRUE;
}
BOOL WINAPI DllMain( HINSTANCE instance, DWORD reason, void *reserved )
{
switch (reason)
{
case DLL_PROCESS_ATTACH:
dll_instance = instance;
DisableThreadLibraryCalls( instance );
me_heap = HeapCreate( 0, 0x10000, 0 );
if (!register_classes( instance )) return FALSE;
LookupInit();
break;
case DLL_PROCESS_DETACH:
if (reserved) break;
UnregisterClassW( RICHEDIT_CLASS20W, 0 );
UnregisterClassW( MSFTEDIT_CLASS, 0 );
UnregisterClassA( RICHEDIT_CLASS20A, 0 );
UnregisterClassA( "RichEdit50A", 0 );
if (listbox_registered) UnregisterClassW( L"REListBox20W", 0 );
if (combobox_registered) UnregisterClassW( L"REComboBox20W", 0 );
LookupCleanup();
HeapDestroy( me_heap );
release_typelib();
break;
}
return TRUE;
}
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