-/*
- * ReactOS kernel
- * Copyright (C) 1998, 1999, 2000, 2001 ReactOS Team
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program 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 General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
- */
/* $Id$
*
- * PROJECT: ReactOS user32.dll
- * FILE: lib/user32/controls/scrollbar.c
- * PURPOSE: Scroll bar
- * PROGRAMMER: Casper S. Hornstrup (chorns@users.sourceforge.net)
- * UPDATE HISTORY:
- * 09-05-2001 CSH Created
+ * COPYRIGHT: See COPYING in the top level directory
+ * PROJECT: ReactOS kernel
+ * PURPOSE: Windows
+ * FILE: subsys/win32k/ntuser/window.c
+ * PROGRAMER: Casper S. Hornstrup (chorns@users.sourceforge.net)
+ * REVISION HISTORY:
+ * 06-06-2001 CSH Created
*/
+/* INCLUDES ******************************************************************/
/* INCLUDES ******************************************************************/
#include <user32.h>
#include <debug.h>
+/* GLOBAL VARIABLES **********************************************************/
+/*
+static HBITMAP hUpArrow;
+static HBITMAP hDnArrow;
+static HBITMAP hLfArrow;
+static HBITMAP hRgArrow;
+static HBITMAP hUpArrowD;
+static HBITMAP hDnArrowD;
+static HBITMAP hLfArrowD;
+static HBITMAP hRgArrowD;
+static HBITMAP hUpArrowI;
+static HBITMAP hDnArrowI;
+static HBITMAP hLfArrowI;
+static HBITMAP hRgArrowI;
+*/
+#define TOP_ARROW(flags,pressed) \
+ (((flags)&ESB_DISABLE_UP) ? hUpArrowI : ((pressed) ? hUpArrowD:hUpArrow))
+#define BOTTOM_ARROW(flags,pressed) \
+ (((flags)&ESB_DISABLE_DOWN) ? hDnArrowI : ((pressed) ? hDnArrowD:hDnArrow))
+#define LEFT_ARROW(flags,pressed) \
+ (((flags)&ESB_DISABLE_LEFT) ? hLfArrowI : ((pressed) ? hLfArrowD:hLfArrow))
+#define RIGHT_ARROW(flags,pressed) \
+ (((flags)&ESB_DISABLE_RIGHT) ? hRgArrowI : ((pressed) ? hRgArrowD:hRgArrow))
+
+#define SCROLL_ARROW_THUMB_OVERLAP 0 /* Overlap between arrows and thumb */
+#define SCROLL_MIN_THUMB 6 /* Minimum size of the thumb in pixels */
+#define SCROLL_FIRST_DELAY 200 /* Delay (in ms) before first repetition when holding the button down */
+#define SCROLL_REPEAT_DELAY 50 /* Delay (in ms) between scroll repetitions */
+#define SCROLL_TIMER 0 /* Scroll timer id */
+
+ /* What to do after SCROLL_SetScrollInfo() */
+#define SA_SSI_HIDE 0x0001
+#define SA_SSI_SHOW 0x0002
+#define SA_SSI_REFRESH 0x0004
+#define SA_SSI_REPAINT_ARROWS 0x0008
+
+ /* Scroll-bar hit testing */
+enum SCROLL_HITTEST
+{
+ SCROLL_NOWHERE, /* Outside the scroll bar */
+ SCROLL_TOP_ARROW, /* Top or left arrow */
+ SCROLL_TOP_RECT, /* Rectangle between the top arrow and the thumb */
+ SCROLL_THUMB, /* Thumb rectangle */
+ SCROLL_BOTTOM_RECT, /* Rectangle between the thumb and the bottom arrow */
+ SCROLL_BOTTOM_ARROW /* Bottom or right arrow */
+};
+
+static BOOL SCROLL_MovingThumb = FALSE; /* Is the moving thumb being displayed? */
+
+/* Thumb-tracking info */
+static HWND SCROLL_TrackingWin = 0;
+static INT SCROLL_TrackingBar = 0;
+static INT SCROLL_TrackingPos = 0;
+/* static INT SCROLL_TrackingVal = 0; */
+static enum SCROLL_HITTEST SCROLL_trackHitTest; /* Hit test code of the last button-down event */
+static BOOL SCROLL_trackVertical;
+
/* FUNCTIONS *****************************************************************/
+HBRUSH DefWndControlColor (HDC hDC, UINT ctlType);
+HPEN STDCALL GetSysColorPen (int nIndex);
+
+
+
WINBOOL STDCALL
-GetScrollBarInfo(HWND hwnd,
- LONG idObject,
- PSCROLLBARINFO psbi)
+GetScrollBarInfo (HWND hwnd, LONG idObject, PSCROLLBARINFO psbi)
{
- return FALSE;
+ int ret = NtUserGetScrollBarInfo (hwnd, idObject, psbi);
+
+ return ret;
+}
+
+/* Ported from WINE20020904 */
+/* Draw the scroll bar interior (everything except the arrows). */
+static void
+SCROLL_DrawInterior (HWND hwnd, HDC hdc, INT nBar, INT arrowSize, PSCROLLBARINFO psbi)
+{
+ INT thumbSize = psbi->xyThumbBottom - psbi->xyThumbTop;
+ HPEN hSavePen;
+ HBRUSH hSaveBrush, hBrush;
+ BOOLEAN top_selected = FALSE, bottom_selected = FALSE;
+DbgPrint("[SCROLL_DrawInterior:%d]\n", nBar);
+ if(psbi->rgstate[2] & STATE_SYSTEM_PRESSED)
+ {
+ top_selected = TRUE;
+ }
+ if(psbi->rgstate[4] & STATE_SYSTEM_PRESSED)
+ {
+ bottom_selected = TRUE;
+ }
+
+ /* Only scrollbar controls send WM_CTLCOLORSCROLLBAR.
+ * The window-owned scrollbars need to call DefWndControlColor
+ * to correctly setup default scrollbar colors
+ */
+ if (nBar == SB_CTL)
+ {
+ hBrush = (HBRUSH) NtUserSendMessage (GetParent (hwnd), WM_CTLCOLORSCROLLBAR,
+ (WPARAM) hdc, (LPARAM) hwnd);
+ }
+ else
+ {
+/* hBrush = NtUserGetControlColor (hdc, CTLCOLOR_SCROLLBAR); FIXME */ /* DefWndControlColor */
+ hBrush = GetSysColorBrush(COLOR_SCROLLBAR);
+ }
+
+ hSavePen = SelectObject (hdc, GetSysColorPen (COLOR_WINDOWFRAME));
+ hSaveBrush = SelectObject (hdc, hBrush);
+
+ /* Calculate the scroll rectangle */
+ if (nBar == SB_VERT)
+ {
+ psbi->rcScrollBar.top += arrowSize - SCROLL_ARROW_THUMB_OVERLAP;
+ psbi->rcScrollBar.bottom -= (arrowSize - SCROLL_ARROW_THUMB_OVERLAP);
+ }
+ else if (nBar == SB_HORZ)
+ {
+ psbi->rcScrollBar.left += arrowSize - SCROLL_ARROW_THUMB_OVERLAP;
+ psbi->rcScrollBar.right -= (arrowSize - SCROLL_ARROW_THUMB_OVERLAP);
+ }
+
+ /* Draw the scroll rectangles and thumb */
+ if (!psbi->dxyLineButton) /* No thumb to draw */
+ {
+ PatBlt (hdc,
+ psbi->rcScrollBar.left,
+ psbi->rcScrollBar.top,
+ psbi->rcScrollBar.right - psbi->rcScrollBar.left,
+ psbi->rcScrollBar.bottom - psbi->rcScrollBar.top,
+ PATCOPY);
+
+ /* cleanup and return */
+ SelectObject (hdc, hSavePen);
+ SelectObject (hdc, hSaveBrush);
+ return;
+ }
+
+ if (nBar == SB_VERT)
+ {
+ PatBlt (hdc,
+ psbi->rcScrollBar.left,
+ psbi->rcScrollBar.top,
+ psbi->rcScrollBar.right - psbi->rcScrollBar.left,
+ psbi->dxyLineButton - (arrowSize - SCROLL_ARROW_THUMB_OVERLAP),
+ top_selected ? 0x0f0000 : PATCOPY);
+ psbi->rcScrollBar.top += psbi->dxyLineButton - (arrowSize - SCROLL_ARROW_THUMB_OVERLAP);
+ PatBlt (hdc,
+ psbi->rcScrollBar.left,
+ psbi->rcScrollBar.top + thumbSize,
+ psbi->rcScrollBar.right - psbi->rcScrollBar.left,
+ psbi->rcScrollBar.bottom - psbi->rcScrollBar.top - thumbSize,
+ bottom_selected ? 0x0f0000 : PATCOPY);
+ psbi->rcScrollBar.bottom = psbi->rcScrollBar.top + thumbSize;
+ }
+ else if (nBar == SB_HORZ)
+ {
+ PatBlt (hdc,
+ psbi->rcScrollBar.left,
+ psbi->rcScrollBar.top,
+ psbi->dxyLineButton - (arrowSize - SCROLL_ARROW_THUMB_OVERLAP),
+ psbi->rcScrollBar.bottom - psbi->rcScrollBar.top,
+ top_selected ? 0x0f0000 : PATCOPY);
+ psbi->rcScrollBar.left += psbi->dxyLineButton - (arrowSize - SCROLL_ARROW_THUMB_OVERLAP);
+ PatBlt (hdc,
+ psbi->rcScrollBar.left + thumbSize,
+ psbi->rcScrollBar.top,
+ psbi->rcScrollBar.right - psbi->rcScrollBar.left - thumbSize,
+ psbi->rcScrollBar.bottom - psbi->rcScrollBar.top,
+ bottom_selected ? 0x0f0000 : PATCOPY);
+ psbi->rcScrollBar.right = psbi->rcScrollBar.left + thumbSize;
+ }
+
+ /* Draw the thumb */
+ DrawEdge (hdc, &psbi->rcScrollBar, EDGE_RAISED, BF_RECT | BF_MIDDLE);
+
+ /* cleanup */
+ SelectObject (hdc, hSavePen);
+ SelectObject (hdc, hSaveBrush);
+}
+
+/* Ported from WINE20020904 */
+static void
+SCROLL_DrawMovingThumb (HDC hdc, RECT * rect, int nBar, int arrowSize, int thumbSize, PSCROLLBARINFO psbi)
+{
+ INT pos = SCROLL_TrackingPos;
+ INT max_size;
+
+ if (nBar == SB_VERT)
+ max_size = psbi->rcScrollBar.bottom - psbi->rcScrollBar.top;
+ else if (nBar == SB_HORZ)
+ max_size = psbi->rcScrollBar.right - psbi->rcScrollBar.left;
+
+ max_size -= (arrowSize - SCROLL_ARROW_THUMB_OVERLAP) + thumbSize;
+
+ if (pos < (arrowSize - SCROLL_ARROW_THUMB_OVERLAP))
+ pos = (arrowSize - SCROLL_ARROW_THUMB_OVERLAP);
+ else if (pos > max_size)
+ pos = max_size;
+
+ SCROLL_DrawInterior (SCROLL_TrackingWin, hdc, SCROLL_TrackingBar, arrowSize, psbi);
+
+ SCROLL_MovingThumb = !SCROLL_MovingThumb;
+}
+
+/* Ported from WINE20020904 */
+/* Draw the scroll bar arrows. */
+static void
+SCROLL_DrawArrows (HDC hdc, PSCROLLBARINFO info,
+ RECT * rect, INT arrowSize, int nBar,
+ BOOL top_pressed, BOOL bottom_pressed)
+{
+ RECT r;
+ int scrollDirFlag1, scrollDirFlag2;
+
+ if (nBar == SB_VERT)
+ {
+ scrollDirFlag1 = DFCS_SCROLLUP;
+ scrollDirFlag2 = DFCS_SCROLLDOWN;
+ }
+ else if (nBar == SB_HORZ)
+ {
+ scrollDirFlag1 = DFCS_SCROLLLEFT;
+ scrollDirFlag2 = DFCS_SCROLLRIGHT;
+ }
+
+ r = *rect;
+ if (nBar == SB_VERT)
+ r.bottom = r.top + arrowSize;
+ else if (nBar == SB_HORZ)
+ r.right = r.left + arrowSize;
+
+ DrawFrameControl (hdc, &r, DFC_SCROLL,
+ scrollDirFlag1 | (top_pressed ? (DFCS_PUSHED | DFCS_FLAT) : 0)
+ /* | (info.flags&ESB_DISABLE_LTUP ? DFCS_INACTIVE : 0) */
+ );
+ r = *rect;
+ if (nBar == SB_VERT)
+ r.top = r.bottom - arrowSize;
+ else if (nBar == SB_HORZ)
+ r.left = r.right - arrowSize;
+ DrawFrameControl (hdc, &r, DFC_SCROLL,
+ scrollDirFlag2 | (bottom_pressed ? (DFCS_PUSHED | DFCS_FLAT) : 0)
+ /* | (info.flags&ESB_DISABLE_RTDN ? DFCS_INACTIVE : 0) */
+ );
+}
+
+/* Ported from WINE20020904 */
+/* Redraw the whole scrollbar. */
+void
+SCROLL_DrawScrollBar (HWND hwnd, HDC hdc, INT nBar,
+ BOOL arrows, BOOL interior)
+{
+ INT arrowSize = 0;
+ INT thumbSize;
+ SCROLLBARINFO info;
+ BOOL Save_SCROLL_MovingThumb = SCROLL_MovingThumb;
+
+ info.cbSize = sizeof(SCROLLBARINFO);
+ GetScrollBarInfo (hwnd, nBar, &info);
+
+ thumbSize = info.xyThumbBottom - info.xyThumbTop;
+
+ if (nBar == SB_HORZ)
+ {
+ arrowSize = GetSystemMetrics(SM_CYHSCROLL);
+ } else
+ if (nBar == SB_VERT)
+ {
+ arrowSize = GetSystemMetrics(SM_CXVSCROLL);
+ }
+
+ if (IsRectEmpty (&(info.rcScrollBar))) goto END;
+
+ if (Save_SCROLL_MovingThumb && (SCROLL_TrackingWin == hwnd) && (SCROLL_TrackingBar == nBar))
+ {
+ SCROLL_DrawMovingThumb (hdc, &(info.rcScrollBar), nBar, arrowSize, thumbSize, &info);
+ }
+
+ /* Draw the arrows */
+ if (arrows && arrowSize)
+ {
+ if (SCROLL_trackVertical == TRUE /* && GetCapture () == hwnd */)
+ {
+ SCROLL_DrawArrows (hdc, &info, &(info.rcScrollBar), arrowSize, nBar,
+ (SCROLL_trackHitTest == SCROLL_TOP_ARROW),
+ (SCROLL_trackHitTest == SCROLL_BOTTOM_ARROW));
+ }
+ else
+ {
+ SCROLL_DrawArrows (hdc, &info, &(info.rcScrollBar), arrowSize, nBar, FALSE, FALSE);
+ }
+ }
+
+ if (interior)
+ {
+ SCROLL_DrawInterior (hwnd, hdc, nBar, arrowSize, &info);
+ }
+
+ if (Save_SCROLL_MovingThumb &&
+ (SCROLL_TrackingWin == hwnd) && (SCROLL_TrackingBar == nBar))
+ SCROLL_DrawMovingThumb (hdc, &info.rcScrollBar, nBar, arrowSize, thumbSize, &info);
+ /* if scroll bar has focus, reposition the caret */
+
+/* if (hwnd == GetFocus () && (nBar == SB_CTL))
+ {
+ if (nBar == SB_HORZ)
+ {
+ SetCaretPos (info.dxyLineButton + 1, info.rcScrollBar.top + 1);
+ }
+ else if (nBAR == SB_VERT)
+ {
+ SetCaretPos (info.rcScrollBar.top + 1, info.dxyLineButton + 1);
+ }
+ } */
+END:;
+/* WIN_ReleaseWndPtr(wndPtr); */
}
WINBOOL STDCALL
-GetScrollInfo(HWND hwnd,
- int fnBar,
- LPSCROLLINFO lpsi)
+GetScrollInfo (HWND hwnd, int fnBar, LPSCROLLINFO lpsi)
{
+ UNIMPLEMENTED;
return FALSE;
}
int STDCALL
-GetScrollPos(HWND hWnd,
- int nBar)
+GetScrollPos (HWND hWnd, int nBar)
{
+ UNIMPLEMENTED;
return 0;
}
WINBOOL STDCALL
-GetScrollRange(HWND hWnd,
- int nBar,
- LPINT lpMinPos,
- LPINT lpMaxPos)
+GetScrollRange (HWND hWnd, int nBar, LPINT lpMinPos, LPINT lpMaxPos)
{
+ UNIMPLEMENTED;
return FALSE;
}
int STDCALL
-SetScrollInfo(HWND hwnd,
- int fnBar,
- LPCSCROLLINFO lpsi,
- WINBOOL fRedraw)
+SetScrollInfo (HWND hwnd, int fnBar, LPCSCROLLINFO lpsi, WINBOOL fRedraw)
{
+ UNIMPLEMENTED;
return 0;
}
int STDCALL
-SetScrollPos(HWND hWnd,
- int nBar,
- int nPos,
- WINBOOL bRedraw)
+SetScrollPos (HWND hWnd, int nBar, int nPos, WINBOOL bRedraw)
{
+ UNIMPLEMENTED;
return 0;
}
WINBOOL STDCALL
-SetScrollRange(HWND hWnd,
- int nBar,
- int nMinPos,
- int nMaxPos,
- WINBOOL bRedraw)
+SetScrollRange (HWND hWnd,
+ int nBar, int nMinPos, int nMaxPos, WINBOOL bRedraw)
{
+ UNIMPLEMENTED;
return FALSE;
}
+/* Ported from WINE20020904 */
WINBOOL STDCALL
-ShowScrollBar(HWND hWnd,
- int wBar,
- WINBOOL bShow)
+ShowScrollBar (HWND hWnd, int wBar, WINBOOL bShow)
{
- return FALSE;
+ NtUserShowScrollBar (hWnd, wBar, bShow);
+ return TRUE;
}