mirror of
git://source.winehq.org/git/wine.git
synced 2024-11-05 18:01:34 +00:00
409 lines
11 KiB
C
409 lines
11 KiB
C
/*
|
|
* Caret functions
|
|
*
|
|
* Copyright 1993 David Metcalfe
|
|
* Copyright 1996 Frans van Dorsselaer
|
|
* Copyright 2001 Eric Pouech
|
|
* Copyright 2002 Alexandre Julliard
|
|
*
|
|
* 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
|
|
*/
|
|
|
|
#include "config.h"
|
|
#include "wine/port.h"
|
|
|
|
#include <stdarg.h>
|
|
|
|
#include "windef.h"
|
|
#include "winbase.h"
|
|
#include "wingdi.h"
|
|
#include "winuser.h"
|
|
#include "wine/server.h"
|
|
#include "wine/debug.h"
|
|
|
|
WINE_DEFAULT_DEBUG_CHANNEL(caret);
|
|
|
|
typedef struct
|
|
{
|
|
HBITMAP hBmp;
|
|
UINT timeout;
|
|
} CARET;
|
|
|
|
static CARET Caret = { 0, 500 };
|
|
|
|
#define TIMERID 0xffff /* system timer id for the caret */
|
|
|
|
|
|
/*****************************************************************
|
|
* CARET_DisplayCaret
|
|
*/
|
|
static void CARET_DisplayCaret( HWND hwnd, const RECT *r )
|
|
{
|
|
HDC hdc;
|
|
HDC hCompDC;
|
|
|
|
/* do not use DCX_CACHE here, for x,y,width,height are in logical units */
|
|
if (!(hdc = GetDCEx( hwnd, 0, DCX_USESTYLE /*| DCX_CACHE*/ ))) return;
|
|
hCompDC = CreateCompatibleDC(hdc);
|
|
if (hCompDC)
|
|
{
|
|
HBITMAP hPrevBmp;
|
|
|
|
hPrevBmp = SelectObject(hCompDC, Caret.hBmp);
|
|
BitBlt(hdc, r->left, r->top, r->right-r->left, r->bottom-r->top, hCompDC, 0, 0, SRCINVERT);
|
|
SelectObject(hCompDC, hPrevBmp);
|
|
DeleteDC(hCompDC);
|
|
}
|
|
ReleaseDC( hwnd, hdc );
|
|
}
|
|
|
|
|
|
/*****************************************************************
|
|
* CARET_Callback
|
|
*/
|
|
static void CALLBACK CARET_Callback( HWND hwnd, UINT msg, UINT_PTR id, DWORD ctime)
|
|
{
|
|
BOOL ret;
|
|
RECT r;
|
|
int hidden = 0;
|
|
|
|
SERVER_START_REQ( set_caret_info )
|
|
{
|
|
req->flags = SET_CARET_STATE;
|
|
req->handle = wine_server_user_handle( hwnd );
|
|
req->x = 0;
|
|
req->y = 0;
|
|
req->hide = 0;
|
|
req->state = -1; /* toggle current state */
|
|
if ((ret = !wine_server_call( req )))
|
|
{
|
|
hwnd = wine_server_ptr_handle( reply->full_handle );
|
|
r.left = reply->old_rect.left;
|
|
r.top = reply->old_rect.top;
|
|
r.right = reply->old_rect.right;
|
|
r.bottom = reply->old_rect.bottom;
|
|
hidden = reply->old_hide;
|
|
}
|
|
}
|
|
SERVER_END_REQ;
|
|
|
|
if (ret && !hidden) CARET_DisplayCaret( hwnd, &r );
|
|
}
|
|
|
|
|
|
/*****************************************************************
|
|
* CreateCaret (USER32.@)
|
|
*/
|
|
BOOL WINAPI CreateCaret( HWND hwnd, HBITMAP bitmap, INT width, INT height )
|
|
{
|
|
BOOL ret;
|
|
RECT r;
|
|
int old_state = 0;
|
|
int hidden = 0;
|
|
HBITMAP hBmp = 0;
|
|
HWND prev = 0;
|
|
|
|
TRACE("hwnd=%p\n", hwnd);
|
|
|
|
if (!hwnd) return FALSE;
|
|
|
|
if (bitmap && (bitmap != (HBITMAP)1))
|
|
{
|
|
BITMAP bmp;
|
|
if (!GetObjectA( bitmap, sizeof(bmp), &bmp )) return FALSE;
|
|
width = bmp.bmWidth;
|
|
height = bmp.bmHeight;
|
|
bmp.bmBits = NULL;
|
|
hBmp = CreateBitmapIndirect(&bmp);
|
|
if (hBmp)
|
|
{
|
|
/* copy the bitmap */
|
|
LPBYTE buf = HeapAlloc(GetProcessHeap(), 0, bmp.bmWidthBytes * bmp.bmHeight);
|
|
GetBitmapBits(bitmap, bmp.bmWidthBytes * bmp.bmHeight, buf);
|
|
SetBitmapBits(hBmp, bmp.bmWidthBytes * bmp.bmHeight, buf);
|
|
HeapFree(GetProcessHeap(), 0, buf);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
HDC hdc;
|
|
|
|
if (!width) width = GetSystemMetrics(SM_CXBORDER);
|
|
if (!height) height = GetSystemMetrics(SM_CYBORDER);
|
|
|
|
/* create the uniform bitmap on the fly */
|
|
hdc = GetDC(hwnd);
|
|
if (hdc)
|
|
{
|
|
HDC hMemDC = CreateCompatibleDC(hdc);
|
|
if (hMemDC)
|
|
{
|
|
if ((hBmp = CreateCompatibleBitmap(hMemDC, width, height )))
|
|
{
|
|
HBITMAP hPrevBmp = SelectObject(hMemDC, hBmp);
|
|
SetRect( &r, 0, 0, width, height );
|
|
FillRect(hMemDC, &r, ULongToHandle((bitmap ? COLOR_GRAYTEXT : COLOR_WINDOW) + 1));
|
|
SelectObject(hMemDC, hPrevBmp);
|
|
}
|
|
DeleteDC(hMemDC);
|
|
}
|
|
ReleaseDC(hwnd, hdc);
|
|
}
|
|
}
|
|
if (!hBmp) return FALSE;
|
|
|
|
SERVER_START_REQ( set_caret_window )
|
|
{
|
|
req->handle = wine_server_user_handle( hwnd );
|
|
req->width = width;
|
|
req->height = height;
|
|
if ((ret = !wine_server_call_err( req )))
|
|
{
|
|
prev = wine_server_ptr_handle( reply->previous );
|
|
r.left = reply->old_rect.left;
|
|
r.top = reply->old_rect.top;
|
|
r.right = reply->old_rect.right;
|
|
r.bottom = reply->old_rect.bottom;
|
|
old_state = reply->old_state;
|
|
hidden = reply->old_hide;
|
|
}
|
|
}
|
|
SERVER_END_REQ;
|
|
if (!ret) return FALSE;
|
|
|
|
if (prev && !hidden) /* hide the previous one */
|
|
{
|
|
/* FIXME: won't work if prev belongs to a different process */
|
|
KillSystemTimer( prev, TIMERID );
|
|
if (old_state) CARET_DisplayCaret( prev, &r );
|
|
}
|
|
|
|
if (Caret.hBmp) DeleteObject( Caret.hBmp );
|
|
Caret.hBmp = hBmp;
|
|
Caret.timeout = GetProfileIntA( "windows", "CursorBlinkRate", 500 );
|
|
return TRUE;
|
|
}
|
|
|
|
|
|
/*****************************************************************
|
|
* DestroyCaret (USER32.@)
|
|
*/
|
|
BOOL WINAPI DestroyCaret(void)
|
|
{
|
|
BOOL ret;
|
|
HWND prev = 0;
|
|
RECT r;
|
|
int old_state = 0;
|
|
int hidden = 0;
|
|
|
|
SERVER_START_REQ( set_caret_window )
|
|
{
|
|
req->handle = 0;
|
|
req->width = 0;
|
|
req->height = 0;
|
|
if ((ret = !wine_server_call_err( req )))
|
|
{
|
|
prev = wine_server_ptr_handle( reply->previous );
|
|
r.left = reply->old_rect.left;
|
|
r.top = reply->old_rect.top;
|
|
r.right = reply->old_rect.right;
|
|
r.bottom = reply->old_rect.bottom;
|
|
old_state = reply->old_state;
|
|
hidden = reply->old_hide;
|
|
}
|
|
}
|
|
SERVER_END_REQ;
|
|
|
|
if (ret && prev && !hidden)
|
|
{
|
|
/* FIXME: won't work if prev belongs to a different process */
|
|
KillSystemTimer( prev, TIMERID );
|
|
if (old_state) CARET_DisplayCaret( prev, &r );
|
|
}
|
|
if (Caret.hBmp) DeleteObject( Caret.hBmp );
|
|
Caret.hBmp = 0;
|
|
return ret;
|
|
}
|
|
|
|
|
|
/*****************************************************************
|
|
* SetCaretPos (USER32.@)
|
|
*/
|
|
BOOL WINAPI SetCaretPos( INT x, INT y )
|
|
{
|
|
BOOL ret;
|
|
HWND hwnd = 0;
|
|
RECT r;
|
|
int old_state = 0;
|
|
int hidden = 0;
|
|
|
|
SERVER_START_REQ( set_caret_info )
|
|
{
|
|
req->flags = SET_CARET_POS|SET_CARET_STATE;
|
|
req->handle = 0;
|
|
req->x = x;
|
|
req->y = y;
|
|
req->hide = 0;
|
|
req->state = 1;
|
|
if ((ret = !wine_server_call_err( req )))
|
|
{
|
|
hwnd = wine_server_ptr_handle( reply->full_handle );
|
|
r.left = reply->old_rect.left;
|
|
r.top = reply->old_rect.top;
|
|
r.right = reply->old_rect.right;
|
|
r.bottom = reply->old_rect.bottom;
|
|
old_state = reply->old_state;
|
|
hidden = reply->old_hide;
|
|
}
|
|
}
|
|
SERVER_END_REQ;
|
|
if (ret && !hidden)
|
|
{
|
|
if (old_state) CARET_DisplayCaret( hwnd, &r );
|
|
r.right += x - r.left;
|
|
r.bottom += y - r.top;
|
|
r.left = x;
|
|
r.top = y;
|
|
CARET_DisplayCaret( hwnd, &r );
|
|
SetSystemTimer( hwnd, TIMERID, Caret.timeout, CARET_Callback );
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
|
|
/*****************************************************************
|
|
* HideCaret (USER32.@)
|
|
*/
|
|
BOOL WINAPI HideCaret( HWND hwnd )
|
|
{
|
|
BOOL ret;
|
|
RECT r;
|
|
int old_state = 0;
|
|
int hidden = 0;
|
|
|
|
SERVER_START_REQ( set_caret_info )
|
|
{
|
|
req->flags = SET_CARET_HIDE|SET_CARET_STATE;
|
|
req->handle = wine_server_user_handle( hwnd );
|
|
req->x = 0;
|
|
req->y = 0;
|
|
req->hide = 1;
|
|
req->state = 0;
|
|
if ((ret = !wine_server_call_err( req )))
|
|
{
|
|
hwnd = wine_server_ptr_handle( reply->full_handle );
|
|
r.left = reply->old_rect.left;
|
|
r.top = reply->old_rect.top;
|
|
r.right = reply->old_rect.right;
|
|
r.bottom = reply->old_rect.bottom;
|
|
old_state = reply->old_state;
|
|
hidden = reply->old_hide;
|
|
}
|
|
}
|
|
SERVER_END_REQ;
|
|
|
|
if (ret && !hidden)
|
|
{
|
|
if (old_state) CARET_DisplayCaret( hwnd, &r );
|
|
KillSystemTimer( hwnd, TIMERID );
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
|
|
/*****************************************************************
|
|
* ShowCaret (USER32.@)
|
|
*/
|
|
BOOL WINAPI ShowCaret( HWND hwnd )
|
|
{
|
|
BOOL ret;
|
|
RECT r;
|
|
int hidden = 0;
|
|
|
|
SERVER_START_REQ( set_caret_info )
|
|
{
|
|
req->flags = SET_CARET_HIDE|SET_CARET_STATE;
|
|
req->handle = wine_server_user_handle( hwnd );
|
|
req->x = 0;
|
|
req->y = 0;
|
|
req->hide = -1;
|
|
req->state = 1;
|
|
if ((ret = !wine_server_call_err( req )))
|
|
{
|
|
hwnd = wine_server_ptr_handle( reply->full_handle );
|
|
r.left = reply->old_rect.left;
|
|
r.top = reply->old_rect.top;
|
|
r.right = reply->old_rect.right;
|
|
r.bottom = reply->old_rect.bottom;
|
|
hidden = reply->old_hide;
|
|
}
|
|
}
|
|
SERVER_END_REQ;
|
|
|
|
if (ret && (hidden == 1)) /* hidden was 1 so it's now 0 */
|
|
{
|
|
CARET_DisplayCaret( hwnd, &r );
|
|
SetSystemTimer( hwnd, TIMERID, Caret.timeout, CARET_Callback );
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
|
|
/*****************************************************************
|
|
* GetCaretPos (USER32.@)
|
|
*/
|
|
BOOL WINAPI GetCaretPos( LPPOINT pt )
|
|
{
|
|
BOOL ret;
|
|
|
|
SERVER_START_REQ( set_caret_info )
|
|
{
|
|
req->flags = 0; /* don't set anything */
|
|
req->handle = 0;
|
|
req->x = 0;
|
|
req->y = 0;
|
|
req->hide = 0;
|
|
req->state = 0;
|
|
if ((ret = !wine_server_call_err( req )))
|
|
{
|
|
pt->x = reply->old_rect.left;
|
|
pt->y = reply->old_rect.top;
|
|
}
|
|
}
|
|
SERVER_END_REQ;
|
|
return ret;
|
|
}
|
|
|
|
|
|
/*****************************************************************
|
|
* SetCaretBlinkTime (USER32.@)
|
|
*/
|
|
BOOL WINAPI SetCaretBlinkTime( UINT msecs )
|
|
{
|
|
TRACE("msecs=%d\n", msecs);
|
|
|
|
Caret.timeout = msecs;
|
|
/* if (Caret.hwnd) CARET_SetTimer(); FIXME */
|
|
return TRUE;
|
|
}
|
|
|
|
|
|
/*****************************************************************
|
|
* GetCaretBlinkTime (USER32.@)
|
|
*/
|
|
UINT WINAPI GetCaretBlinkTime(void)
|
|
{
|
|
return Caret.timeout;
|
|
}
|