mirror of
https://github.com/reactos/wine.git
synced 2024-11-29 14:40:56 +00:00
395 lines
9.1 KiB
C
395 lines
9.1 KiB
C
/*
|
|
* Caret functions
|
|
*
|
|
* Copyright 1993 David Metcalfe
|
|
* Copyright 1996 Frans van Dorsselaer
|
|
* Copyright 2001 Eric Pouech
|
|
*
|
|
* 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
|
*/
|
|
|
|
#include "windef.h"
|
|
#include "winbase.h"
|
|
#include "wingdi.h"
|
|
#include "winuser.h"
|
|
#include "wine/wingdi16.h"
|
|
#include "wine/winuser16.h"
|
|
#include "win.h"
|
|
#include "wine/debug.h"
|
|
|
|
WINE_DEFAULT_DEBUG_CHANNEL(caret);
|
|
|
|
typedef struct
|
|
{
|
|
HWND hwnd;
|
|
UINT hidden;
|
|
BOOL on;
|
|
INT x;
|
|
INT y;
|
|
INT width;
|
|
INT height;
|
|
HBITMAP hBmp;
|
|
UINT timeout;
|
|
UINT timerid;
|
|
} CARET;
|
|
|
|
typedef enum
|
|
{
|
|
CARET_OFF = 0,
|
|
CARET_ON,
|
|
CARET_TOGGLE
|
|
} DISPLAY_CARET;
|
|
|
|
static CARET Caret = { 0, 0, FALSE, 0, 0, 2, 12, 0, 500, 0 };
|
|
|
|
/*****************************************************************
|
|
* CARET_GetHwnd
|
|
*/
|
|
HWND CARET_GetHwnd(void)
|
|
{
|
|
return Caret.hwnd;
|
|
}
|
|
|
|
/*****************************************************************
|
|
* CARET_GetRect
|
|
*/
|
|
void CARET_GetRect(LPRECT lprc)
|
|
{
|
|
lprc->right = (lprc->left = Caret.x) + Caret.width - 1;
|
|
lprc->bottom = (lprc->top = Caret.y) + Caret.height - 1;
|
|
}
|
|
|
|
/*****************************************************************
|
|
* CARET_DisplayCaret
|
|
*/
|
|
static void CARET_DisplayCaret( DISPLAY_CARET status )
|
|
{
|
|
HDC hdc;
|
|
HDC hCompDC;
|
|
|
|
if (Caret.on && (status == CARET_ON)) return;
|
|
if (!Caret.on && (status == CARET_OFF)) return;
|
|
|
|
/* So now it's always a toggle */
|
|
|
|
Caret.on = !Caret.on;
|
|
/* do not use DCX_CACHE here, for x,y,width,height are in logical units */
|
|
if (!(hdc = GetDCEx( Caret.hwnd, 0, DCX_USESTYLE /*| DCX_CACHE*/ ))) return;
|
|
hCompDC = CreateCompatibleDC(hdc);
|
|
if (hCompDC)
|
|
{
|
|
HBITMAP hPrevBmp;
|
|
|
|
hPrevBmp = SelectObject(hCompDC, Caret.hBmp);
|
|
BitBlt(hdc, Caret.x, Caret.y, Caret.width, Caret.height, hCompDC, 0, 0, SRCINVERT);
|
|
SelectObject(hCompDC, hPrevBmp);
|
|
DeleteDC(hCompDC);
|
|
}
|
|
ReleaseDC( Caret.hwnd, hdc );
|
|
}
|
|
|
|
|
|
/*****************************************************************
|
|
* CARET_Callback
|
|
*/
|
|
static VOID CALLBACK CARET_Callback( HWND hwnd, UINT msg, UINT id, DWORD ctime)
|
|
{
|
|
TRACE("hwnd=%04x, timerid=%d, caret=%d\n",
|
|
hwnd, id, Caret.on);
|
|
CARET_DisplayCaret(CARET_TOGGLE);
|
|
}
|
|
|
|
|
|
/*****************************************************************
|
|
* CARET_SetTimer
|
|
*/
|
|
static void CARET_SetTimer(void)
|
|
{
|
|
if (Caret.timerid) KillSystemTimer( (HWND)0, Caret.timerid );
|
|
Caret.timerid = SetSystemTimer( (HWND)0, 0, Caret.timeout,
|
|
CARET_Callback );
|
|
}
|
|
|
|
|
|
/*****************************************************************
|
|
* CARET_ResetTimer
|
|
*/
|
|
static void CARET_ResetTimer(void)
|
|
{
|
|
if (Caret.timerid)
|
|
{
|
|
KillSystemTimer( (HWND)0, Caret.timerid );
|
|
Caret.timerid = SetSystemTimer( (HWND)0, 0, Caret.timeout,
|
|
CARET_Callback );
|
|
}
|
|
}
|
|
|
|
|
|
/*****************************************************************
|
|
* CARET_KillTimer
|
|
*/
|
|
static void CARET_KillTimer(void)
|
|
{
|
|
if (Caret.timerid)
|
|
{
|
|
KillSystemTimer( (HWND)0, Caret.timerid );
|
|
Caret.timerid = 0;
|
|
}
|
|
}
|
|
|
|
|
|
/*****************************************************************
|
|
* CreateCaret (USER32.@)
|
|
*/
|
|
BOOL WINAPI CreateCaret( HWND hwnd, HBITMAP bitmap,
|
|
INT width, INT height )
|
|
{
|
|
TRACE("hwnd=%04x\n", hwnd);
|
|
|
|
if (!hwnd) return FALSE;
|
|
|
|
/* if cursor already exists, destroy it */
|
|
if (Caret.hwnd) DestroyCaret();
|
|
|
|
if (bitmap && (bitmap != 1))
|
|
{
|
|
BITMAP bmp;
|
|
if (!GetObjectA( bitmap, sizeof(bmp), &bmp )) return FALSE;
|
|
Caret.width = bmp.bmWidth;
|
|
Caret.height = bmp.bmHeight;
|
|
bmp.bmBits = NULL;
|
|
Caret.hBmp = CreateBitmapIndirect(&bmp);
|
|
|
|
if (Caret.hBmp)
|
|
{
|
|
/* copy the bitmap */
|
|
LPBYTE buf = HeapAlloc(GetProcessHeap(), 0, bmp.bmWidthBytes * bmp.bmHeight);
|
|
GetBitmapBits(bitmap, bmp.bmWidthBytes * bmp.bmHeight, buf);
|
|
SetBitmapBits(Caret.hBmp, bmp.bmWidthBytes * bmp.bmHeight, buf);
|
|
HeapFree(GetProcessHeap(), 0, buf);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
HDC hdc;
|
|
|
|
Caret.width = width ? width : GetSystemMetrics(SM_CXBORDER);
|
|
Caret.height = height ? height : GetSystemMetrics(SM_CYBORDER);
|
|
Caret.hBmp = 0;
|
|
|
|
/* create the uniform bitmap on the fly */
|
|
hdc = GetDC(hwnd);
|
|
if (hdc)
|
|
{
|
|
HDC hMemDC = CreateCompatibleDC(hdc);
|
|
|
|
if (hMemDC)
|
|
{
|
|
RECT r;
|
|
r.left = r.top = 0;
|
|
r.right = Caret.width;
|
|
r.bottom = Caret.height;
|
|
|
|
if ((Caret.hBmp = CreateCompatibleBitmap(hMemDC, Caret.width, Caret.height)))
|
|
{
|
|
HBITMAP hPrevBmp = SelectObject(hMemDC, Caret.hBmp);
|
|
FillRect(hMemDC, &r, (bitmap ? COLOR_GRAYTEXT : COLOR_WINDOW) + 1);
|
|
SelectObject(hMemDC, hPrevBmp);
|
|
}
|
|
DeleteDC(hMemDC);
|
|
}
|
|
ReleaseDC(hwnd, hdc);
|
|
}
|
|
}
|
|
|
|
Caret.hwnd = WIN_GetFullHandle( hwnd );
|
|
Caret.hidden = 1;
|
|
Caret.on = FALSE;
|
|
Caret.x = 0;
|
|
Caret.y = 0;
|
|
|
|
Caret.timeout = GetProfileIntA( "windows", "CursorBlinkRate", 500 );
|
|
return TRUE;
|
|
}
|
|
|
|
|
|
/*****************************************************************
|
|
* DestroyCaret (USER.164)
|
|
*/
|
|
void WINAPI DestroyCaret16(void)
|
|
{
|
|
DestroyCaret();
|
|
}
|
|
|
|
|
|
/*****************************************************************
|
|
* DestroyCaret (USER32.@)
|
|
*/
|
|
BOOL WINAPI DestroyCaret(void)
|
|
{
|
|
if (!Caret.hwnd) return FALSE;
|
|
|
|
TRACE("hwnd=%04x, timerid=%d\n",
|
|
Caret.hwnd, Caret.timerid);
|
|
|
|
CARET_KillTimer();
|
|
CARET_DisplayCaret(CARET_OFF);
|
|
DeleteObject( Caret.hBmp );
|
|
Caret.hwnd = 0;
|
|
return TRUE;
|
|
}
|
|
|
|
|
|
/*****************************************************************
|
|
* SetCaretPos (USER.165)
|
|
*/
|
|
void WINAPI SetCaretPos16( INT16 x, INT16 y )
|
|
{
|
|
SetCaretPos( x, y );
|
|
}
|
|
|
|
|
|
/*****************************************************************
|
|
* SetCaretPos (USER32.@)
|
|
*/
|
|
BOOL WINAPI SetCaretPos( INT x, INT y)
|
|
{
|
|
if (!Caret.hwnd) return FALSE;
|
|
if ((x == Caret.x) && (y == Caret.y)) return TRUE;
|
|
|
|
TRACE("x=%d, y=%d\n", x, y);
|
|
|
|
CARET_KillTimer();
|
|
CARET_DisplayCaret(CARET_OFF);
|
|
Caret.x = x;
|
|
Caret.y = y;
|
|
if (!Caret.hidden)
|
|
{
|
|
CARET_DisplayCaret(CARET_ON);
|
|
CARET_SetTimer();
|
|
}
|
|
return TRUE;
|
|
}
|
|
|
|
|
|
/*****************************************************************
|
|
* HideCaret (USER32.@)
|
|
*/
|
|
BOOL WINAPI HideCaret( HWND hwnd )
|
|
{
|
|
if (!Caret.hwnd) return FALSE;
|
|
if (hwnd && (Caret.hwnd != WIN_GetFullHandle(hwnd))) return FALSE;
|
|
|
|
TRACE("hwnd=%04x, hidden=%d\n",
|
|
hwnd, Caret.hidden);
|
|
|
|
CARET_KillTimer();
|
|
CARET_DisplayCaret(CARET_OFF);
|
|
Caret.hidden++;
|
|
return TRUE;
|
|
}
|
|
|
|
|
|
/*****************************************************************
|
|
* ShowCaret (USER32.@)
|
|
*/
|
|
BOOL WINAPI ShowCaret( HWND hwnd )
|
|
{
|
|
if (!Caret.hwnd) return FALSE;
|
|
if (hwnd && (Caret.hwnd != WIN_GetFullHandle(hwnd))) return FALSE;
|
|
|
|
TRACE("hwnd=%04x, hidden=%d\n",
|
|
hwnd, Caret.hidden);
|
|
|
|
if (Caret.hidden)
|
|
{
|
|
Caret.hidden--;
|
|
if (!Caret.hidden)
|
|
{
|
|
CARET_DisplayCaret(CARET_ON);
|
|
CARET_SetTimer();
|
|
}
|
|
}
|
|
return TRUE;
|
|
}
|
|
|
|
|
|
/*****************************************************************
|
|
* SetCaretBlinkTime (USER.168)
|
|
*/
|
|
void WINAPI SetCaretBlinkTime16( UINT16 msecs )
|
|
{
|
|
SetCaretBlinkTime( msecs );
|
|
}
|
|
|
|
/*****************************************************************
|
|
* SetCaretBlinkTime (USER32.@)
|
|
*/
|
|
BOOL WINAPI SetCaretBlinkTime( UINT msecs )
|
|
{
|
|
if (!Caret.hwnd) return FALSE;
|
|
|
|
TRACE("hwnd=%04x, msecs=%d\n",
|
|
Caret.hwnd, msecs);
|
|
|
|
Caret.timeout = msecs;
|
|
CARET_ResetTimer();
|
|
return TRUE;
|
|
}
|
|
|
|
|
|
/*****************************************************************
|
|
* GetCaretBlinkTime (USER.169)
|
|
*/
|
|
UINT16 WINAPI GetCaretBlinkTime16(void)
|
|
{
|
|
return (UINT16)GetCaretBlinkTime();
|
|
}
|
|
|
|
|
|
/*****************************************************************
|
|
* GetCaretBlinkTime (USER32.@)
|
|
*/
|
|
UINT WINAPI GetCaretBlinkTime(void)
|
|
{
|
|
return Caret.timeout;
|
|
}
|
|
|
|
|
|
/*****************************************************************
|
|
* GetCaretPos (USER.183)
|
|
*/
|
|
VOID WINAPI GetCaretPos16( LPPOINT16 pt )
|
|
{
|
|
if (!Caret.hwnd || !pt) return;
|
|
|
|
TRACE("hwnd=%04x, pt=%p, x=%d, y=%d\n",
|
|
Caret.hwnd, pt, Caret.x, Caret.y);
|
|
pt->x = (INT16)Caret.x;
|
|
pt->y = (INT16)Caret.y;
|
|
}
|
|
|
|
|
|
/*****************************************************************
|
|
* GetCaretPos (USER32.@)
|
|
*/
|
|
BOOL WINAPI GetCaretPos( LPPOINT pt )
|
|
{
|
|
if (!Caret.hwnd || !pt) return FALSE;
|
|
pt->x = Caret.x;
|
|
pt->y = Caret.y;
|
|
return TRUE;
|
|
}
|