Intravision/reactos
1
0
Fork 0
mirror of https://github.com/reactos/reactos.git synced 2024-12-27 09:34:43 +00:00
Code Issues Projects Releases Packages Wiki Activity

Improvements by Royce Mitchell III

Browse source 
svn path=/trunk/; revision=4167
This commit is contained in:
Jason Filby 2003-02-17 19:48:27 +00:00
parent acea065ea0
commit f3ad138b6b
1 changed files with 167 additions and 127 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

294
reactos/lib/user32/controls/scrollbar.c
View file

@ -1,4 +1,4 @@
/* $Id: scrollbar.c,v 1.7 2003/01/24 22:42:14 jfilby Exp $
/* $Id: scrollbar.c,v 1.8 2003/02/17 19:48:27 jfilby Exp $
*
* COPYRIGHT: See COPYING in the top level directory
* PROJECT: ReactOS kernel
@ -10,8 +10,6 @@
*/
/* INCLUDES ******************************************************************/
/* INCLUDES ******************************************************************/
#include <windows.h>
#include <user32.h>
#include <debug.h>
@ -32,18 +30,26 @@ static HBITMAP hLfArrowI;
static HBITMAP hRgArrowI;
*/
#define TOP_ARROW(flags,pressed) \
(((flags)&ESB_DISABLE_UP) ? hUpArrowI : ((pressed) ? hUpArrowD:hUpArrow))
(((flags)&ESB_DISABLE_UP) ? hUpArrowI : ((pressed) ?
hUpArrowD:hUpArrow))
#define BOTTOM_ARROW(flags,pressed) \
(((flags)&ESB_DISABLE_DOWN) ? hDnArrowI : ((pressed) ? hDnArrowD:hDnArrow))
(((flags)&ESB_DISABLE_DOWN) ? hDnArrowI : ((pressed) ?
hDnArrowD:hDnArrow))
#define LEFT_ARROW(flags,pressed) \
(((flags)&ESB_DISABLE_LEFT) ? hLfArrowI : ((pressed) ? hLfArrowD:hLfArrow))
(((flags)&ESB_DISABLE_LEFT) ? hLfArrowI : ((pressed) ?
hLfArrowD:hLfArrow))
#define RIGHT_ARROW(flags,pressed) \
(((flags)&ESB_DISABLE_RIGHT) ? hRgArrowI : ((pressed) ? hRgArrowD:hRgArrow))
(((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_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() */
@ -59,21 +65,25 @@ enum SCROLL_HITTEST
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_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? */
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 enum SCROLL_HITTEST SCROLL_trackHitTest; /* Hit test code of the
last button-down event */
static BOOL SCROLL_trackVertical;
/* FUNCTIONS *****************************************************************/
/* FUNCTIONS
*****************************************************************/
HBRUSH DefWndControlColor (HDC hDC, UINT ctlType);
HPEN STDCALL GetSysColorPen (int nIndex);
@ -91,7 +101,8 @@ GetScrollBarInfo (HWND hwnd, LONG idObject, PSCROLLBARINFO psbi)
/* 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)
SCROLL_DrawInterior (HWND hwnd, HDC hdc, INT nBar, BOOL vertical, INT
arrowSize, PSCROLLBARINFO psbi)
{
INT thumbSize = psbi->xyThumbBottom - psbi->xyThumbTop;
HPEN hSavePen;
@ -111,82 +122,92 @@ DbgPrint("[SCROLL_DrawInterior:%d]\n", nBar);
* 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);
}
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);
}
{
/* 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);
}
if (vertical)
{
psbi->rcScrollBar.top += arrowSize - SCROLL_ARROW_THUMB_OVERLAP;
psbi->rcScrollBar.bottom -= (arrowSize -
SCROLL_ARROW_THUMB_OVERLAP);
}
else
{
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);
{
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;
}
/* 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;
}
if (vertical)
{
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
{
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);
@ -198,14 +219,15 @@ DbgPrint("[SCROLL_DrawInterior:%d]\n", nBar);
/* Ported from WINE20020904 */
static void
SCROLL_DrawMovingThumb (HDC hdc, RECT * rect, int nBar, int arrowSize, int thumbSize, PSCROLLBARINFO psbi)
SCROLL_DrawMovingThumb (HDC hdc, RECT * rect, BOOL vertical, int
arrowSize, int thumbSize, PSCROLLBARINFO psbi)
{
INT pos = SCROLL_TrackingPos;
INT max_size;
if (nBar == SB_VERT)
if ( vertical )
max_size = psbi->rcScrollBar.bottom - psbi->rcScrollBar.top;
else if (nBar == SB_HORZ)
else
max_size = psbi->rcScrollBar.right - psbi->rcScrollBar.left;
max_size -= (arrowSize - SCROLL_ARROW_THUMB_OVERLAP) + thumbSize;
@ -215,7 +237,8 @@ SCROLL_DrawMovingThumb (HDC hdc, RECT * rect, int nBar, int arrowSize, int thumb
else if (pos > max_size)
pos = max_size;
SCROLL_DrawInterior (SCROLL_TrackingWin, hdc, SCROLL_TrackingBar, arrowSize, psbi);
SCROLL_DrawInterior (SCROLL_TrackingWin, hdc, SCROLL_TrackingBar,
vertical, arrowSize, psbi);
SCROLL_MovingThumb = !SCROLL_MovingThumb;
}
@ -224,41 +247,37 @@ SCROLL_DrawMovingThumb (HDC hdc, RECT * rect, int nBar, int arrowSize, int thumb
/* 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 * rect, INT arrowSize, BOOL vertical,
BOOL top_pressed, BOOL bottom_pressed)
{
RECT r;
RECT r1, r2;
int scrollDirFlag1, scrollDirFlag2;
if (nBar == SB_VERT)
r1 = r2 = *rect;
if (vertical)
{
scrollDirFlag1 = DFCS_SCROLLUP;
scrollDirFlag2 = DFCS_SCROLLDOWN;
r1.bottom = r1.top + arrowSize;
r2.top = r2.bottom - arrowSize;
}
else if (nBar == SB_HORZ)
else
{
scrollDirFlag1 = DFCS_SCROLLLEFT;
scrollDirFlag2 = DFCS_SCROLLRIGHT;
r1.right = r1.left + arrowSize;
r2.left = r2.right - arrowSize;
}
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) */
DrawFrameControl (hdc, &r1, 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) */
DrawFrameControl (hdc, &r2, DFC_SCROLL,
scrollDirFlag2 | (bottom_pressed ? (DFCS_PUSHED |
DFCS_FLAT) : 0)
/* | (info.flags&ESB_DISABLE_RTDN ? DFCS_INACTIVE : 0) */
);
}
@ -266,32 +285,49 @@ SCROLL_DrawArrows (HDC hdc, PSCROLLBARINFO info,
/* Redraw the whole scrollbar. */
void
SCROLL_DrawScrollBar (HWND hwnd, HDC hdc, INT nBar,
BOOL arrows, BOOL interior)
BOOL arrows, BOOL interior)
{
INT arrowSize = 0;
INT thumbSize;
SCROLLBARINFO info;
BOOL Save_SCROLL_MovingThumb = SCROLL_MovingThumb;
BOOL vertical;
info.cbSize = sizeof(SCROLLBARINFO);
GetScrollBarInfo (hwnd, nBar, &info);
thumbSize = info.xyThumbBottom - info.xyThumbTop;
if (nBar == SB_HORZ)
switch ( nBar )
{
arrowSize = GetSystemMetrics(SM_CYHSCROLL);
} else
if (nBar == SB_VERT)
{
arrowSize = GetSystemMetrics(SM_CXVSCROLL);
case SB_HORZ:
vertical = FALSE;
break;
case SB_VERT:
vertical = TRUE;
break;
case SB_CTL:
vertical = (GetWindowLong(hwnd,GWL_STYLE)&SBS_VERT) != 0;
break;
#ifdef DBG
default:
DASSERT(!"SCROLL_DrawScrollBar() called with invalid nBar");
break;
#endif /* DBG */
}
if (vertical)
arrowSize = GetSystemMetrics(SM_CXVSCROLL);
else
arrowSize = GetSystemMetrics(SM_CYHSCROLL);
if (IsRectEmpty (&(info.rcScrollBar))) goto END;
if (Save_SCROLL_MovingThumb && (SCROLL_TrackingWin == hwnd) && (SCROLL_TrackingBar == nBar))
if (Save_SCROLL_MovingThumb && (SCROLL_TrackingWin == hwnd) &&
(SCROLL_TrackingBar == nBar))
{
SCROLL_DrawMovingThumb (hdc, &(info.rcScrollBar), nBar, arrowSize, thumbSize, &info);
SCROLL_DrawMovingThumb (hdc, &(info.rcScrollBar), nBar, vertical,
arrowSize, thumbSize, &info);
}
/* Draw the arrows */
@ -299,36 +335,39 @@ SCROLL_DrawScrollBar (HWND hwnd, HDC hdc, INT nBar,
{
if (SCROLL_trackVertical == TRUE /* && GetCapture () == hwnd */)
{
SCROLL_DrawArrows (hdc, &info, &(info.rcScrollBar), arrowSize, nBar,
SCROLL_DrawArrows (hdc, &info, &(info.rcScrollBar), arrowSize,
vertical,
(SCROLL_trackHitTest == SCROLL_TOP_ARROW),
(SCROLL_trackHitTest == SCROLL_BOTTOM_ARROW));
}
else
{
SCROLL_DrawArrows (hdc, &info, &(info.rcScrollBar), arrowSize, nBar, FALSE, FALSE);
SCROLL_DrawArrows (hdc, &info, &(info.rcScrollBar), arrowSize,
vertical, FALSE, FALSE);
}
}
if (interior)
{
SCROLL_DrawInterior (hwnd, hdc, nBar, arrowSize, &info);
SCROLL_DrawInterior (hwnd, hdc, nBar, vertical, arrowSize, &info);
}
if (Save_SCROLL_MovingThumb &&
(SCROLL_TrackingWin == hwnd) && (SCROLL_TrackingBar == nBar))
SCROLL_DrawMovingThumb (hdc, &info.rcScrollBar, nBar, arrowSize, thumbSize, &info);
SCROLL_DrawMovingThumb (hdc, &info.rcScrollBar, nBar, vertical,
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);
}
{
SetCaretPos (info.dxyLineButton + 1, info.rcScrollBar.top + 1);
}
else if (nBAR == SB_VERT)
{
SetCaretPos (info.rcScrollBar.top + 1, info.dxyLineButton + 1);
}
{
SetCaretPos (info.rcScrollBar.top + 1, info.dxyLineButton + 1);
}
} */
END:;
/* WIN_ReleaseWndPtr(wndPtr); */
@ -356,7 +395,8 @@ GetScrollRange (HWND hWnd, int nBar, LPINT lpMinPos, LPINT lpMaxPos)
}
int STDCALL
SetScrollInfo (HWND hwnd, int fnBar, LPCSCROLLINFO lpsi, WINBOOL fRedraw)
SetScrollInfo (HWND hwnd, int fnBar, LPCSCROLLINFO lpsi, WINBOOL
fRedraw)
{
UNIMPLEMENTED;
return 0;