4 * Copyright 1993 Martin Ayotte
5 * Copyright 1994, 1996 Alexandre Julliard
10 #include <sys/types.h>
14 #include "sysmetrics.h"
23 static HBITMAP32 hUpArrow
= 0;
24 static HBITMAP32 hDnArrow
= 0;
25 static HBITMAP32 hLfArrow
= 0;
26 static HBITMAP32 hRgArrow
= 0;
27 static HBITMAP32 hUpArrowD
= 0;
28 static HBITMAP32 hDnArrowD
= 0;
29 static HBITMAP32 hLfArrowD
= 0;
30 static HBITMAP32 hRgArrowD
= 0;
31 static HBITMAP32 hUpArrowI
= 0;
32 static HBITMAP32 hDnArrowI
= 0;
33 static HBITMAP32 hLfArrowI
= 0;
34 static HBITMAP32 hRgArrowI
= 0;
36 #define TOP_ARROW(flags,pressed) \
37 (((flags)&ESB_DISABLE_UP) ? hUpArrowI : ((pressed) ? hUpArrowD:hUpArrow))
38 #define BOTTOM_ARROW(flags,pressed) \
39 (((flags)&ESB_DISABLE_DOWN) ? hDnArrowI : ((pressed) ? hDnArrowD:hDnArrow))
40 #define LEFT_ARROW(flags,pressed) \
41 (((flags)&ESB_DISABLE_LEFT) ? hLfArrowI : ((pressed) ? hLfArrowD:hLfArrow))
42 #define RIGHT_ARROW(flags,pressed) \
43 (((flags)&ESB_DISABLE_RIGHT) ? hRgArrowI : ((pressed) ? hRgArrowD:hRgArrow))
46 /* Minimum size of the rectangle between the arrows */
47 #define SCROLL_MIN_RECT 4
49 /* Minimum size of the thumb in pixels */
50 #define SCROLL_MIN_THUMB 6
52 /* Delay (in ms) before first repetition when holding the button down */
53 #define SCROLL_FIRST_DELAY 200
55 /* Delay (in ms) between scroll repetitions */
56 #define SCROLL_REPEAT_DELAY 50
59 #define SCROLL_TIMER 0
61 /* Scroll-bar hit testing */
64 SCROLL_NOWHERE
, /* Outside the scroll bar */
65 SCROLL_TOP_ARROW
, /* Top or left arrow */
66 SCROLL_TOP_RECT
, /* Rectangle between the top arrow and the thumb */
67 SCROLL_THUMB
, /* Thumb rectangle */
68 SCROLL_BOTTOM_RECT
, /* Rectangle between the thumb and the bottom arrow */
69 SCROLL_BOTTOM_ARROW
/* Bottom or right arrow */
72 /* Thumb-tracking info */
73 static HWND32 SCROLL_TrackingWin
= 0;
74 static INT32 SCROLL_TrackingBar
= 0;
75 static INT32 SCROLL_TrackingPos
= 0;
76 static INT32 SCROLL_TrackingVal
= 0;
78 /* Is the moving thumb being displayed? */
79 static BOOL32 SCROLL_MovingThumb
= FALSE
;
81 /***********************************************************************
84 static void SCROLL_LoadBitmaps(void)
86 hUpArrow
= LoadBitmap16( 0, MAKEINTRESOURCE(OBM_UPARROW
) );
87 hDnArrow
= LoadBitmap16( 0, MAKEINTRESOURCE(OBM_DNARROW
) );
88 hLfArrow
= LoadBitmap16( 0, MAKEINTRESOURCE(OBM_LFARROW
) );
89 hRgArrow
= LoadBitmap16( 0, MAKEINTRESOURCE(OBM_RGARROW
) );
90 hUpArrowD
= LoadBitmap16( 0, MAKEINTRESOURCE(OBM_UPARROWD
) );
91 hDnArrowD
= LoadBitmap16( 0, MAKEINTRESOURCE(OBM_DNARROWD
) );
92 hLfArrowD
= LoadBitmap16( 0, MAKEINTRESOURCE(OBM_LFARROWD
) );
93 hRgArrowD
= LoadBitmap16( 0, MAKEINTRESOURCE(OBM_RGARROWD
) );
94 hUpArrowI
= LoadBitmap16( 0, MAKEINTRESOURCE(OBM_UPARROWI
) );
95 hDnArrowI
= LoadBitmap16( 0, MAKEINTRESOURCE(OBM_DNARROWI
) );
96 hLfArrowI
= LoadBitmap16( 0, MAKEINTRESOURCE(OBM_LFARROWI
) );
97 hRgArrowI
= LoadBitmap16( 0, MAKEINTRESOURCE(OBM_RGARROWI
) );
101 /***********************************************************************
102 * SCROLL_GetPtrScrollInfo
104 static SCROLLBAR_INFO
*SCROLL_GetPtrScrollInfo( WND
* wndPtr
, INT32 nBar
)
106 SCROLLBAR_INFO
*infoPtr
;
108 if (!wndPtr
) return NULL
;
111 case SB_HORZ
: infoPtr
= (SCROLLBAR_INFO
*)wndPtr
->pHScroll
; break;
112 case SB_VERT
: infoPtr
= (SCROLLBAR_INFO
*)wndPtr
->pVScroll
; break;
113 case SB_CTL
: infoPtr
= (SCROLLBAR_INFO
*)wndPtr
->wExtra
; break;
114 default: return NULL
;
117 if (!infoPtr
) /* Create the info structure if needed */
119 if ((infoPtr
= HeapAlloc( SystemHeap
, 0, sizeof(SCROLLBAR_INFO
) )))
121 infoPtr
->MinVal
= infoPtr
->CurVal
= infoPtr
->Page
= 0;
122 infoPtr
->MaxVal
= 100;
123 infoPtr
->flags
= ESB_ENABLE_BOTH
;
124 if (nBar
== SB_HORZ
) wndPtr
->pHScroll
= infoPtr
;
125 else wndPtr
->pVScroll
= infoPtr
;
127 if (!hUpArrow
) SCROLL_LoadBitmaps();
133 /***********************************************************************
134 * SCROLL_GetScrollInfo
136 static SCROLLBAR_INFO
*SCROLL_GetScrollInfo( HWND32 hwnd
, INT32 nBar
)
138 WND
*wndPtr
= WIN_FindWndPtr( hwnd
);
139 return SCROLL_GetPtrScrollInfo( wndPtr
, nBar
);
143 /***********************************************************************
144 * SCROLL_GetScrollBarRect
146 * Compute the scroll bar rectangle, in drawing coordinates (i.e. client
147 * coords for SB_CTL, window coords for SB_VERT and SB_HORZ).
148 * 'arrowSize' returns the width or height of an arrow (depending on
149 * the orientation of the scrollbar), 'thumbSize' returns the size of
150 * the thumb, and 'thumbPos' returns the position of the thumb
151 * relative to the left or to the top.
152 * Return TRUE if the scrollbar is vertical, FALSE if horizontal.
154 static BOOL32
SCROLL_GetScrollBarRect( HWND32 hwnd
, INT32 nBar
, RECT32
*lprect
,
155 INT32
*arrowSize
, INT32
*thumbSize
,
160 WND
*wndPtr
= WIN_FindWndPtr( hwnd
);
165 lprect
->left
= wndPtr
->rectClient
.left
- wndPtr
->rectWindow
.left
- 1;
166 lprect
->top
= wndPtr
->rectClient
.bottom
- wndPtr
->rectWindow
.top
;
167 lprect
->right
= wndPtr
->rectClient
.right
- wndPtr
->rectWindow
.left
+1;
168 lprect
->bottom
= lprect
->top
+ SYSMETRICS_CYHSCROLL
+ 1;
173 lprect
->left
= wndPtr
->rectClient
.right
- wndPtr
->rectWindow
.left
;
174 lprect
->top
= wndPtr
->rectClient
.top
- wndPtr
->rectWindow
.top
- 1;
175 lprect
->right
= lprect
->left
+ SYSMETRICS_CXVSCROLL
+ 1;
176 lprect
->bottom
= wndPtr
->rectClient
.bottom
- wndPtr
->rectWindow
.top
+1;
181 GetClientRect32( hwnd
, lprect
);
182 vertical
= ((wndPtr
->dwStyle
& SBS_VERT
) != 0);
189 if (vertical
) pixels
= lprect
->bottom
- lprect
->top
;
190 else pixels
= lprect
->right
- lprect
->left
;
192 if (pixels
<= 2*SYSMETRICS_CXVSCROLL
+ SCROLL_MIN_RECT
)
194 if (pixels
> SCROLL_MIN_RECT
)
195 *arrowSize
= (pixels
- SCROLL_MIN_RECT
) / 2;
198 *thumbPos
= *thumbSize
= 0;
202 SCROLLBAR_INFO
*info
= SCROLL_GetPtrScrollInfo( wndPtr
, nBar
);
204 *arrowSize
= SYSMETRICS_CXVSCROLL
;
205 pixels
-= 2 * SYSMETRICS_CXVSCROLL
;
209 *thumbSize
= pixels
* info
->Page
/ (info
->MaxVal
-info
->MinVal
+1);
210 if (*thumbSize
< SCROLL_MIN_THUMB
) *thumbSize
= SCROLL_MIN_THUMB
;
212 else *thumbSize
= SYSMETRICS_CXVSCROLL
;
214 if (((pixels
-= *thumbSize
+ 1) < 0) ||
215 ((info
->flags
& ESB_DISABLE_BOTH
) == ESB_DISABLE_BOTH
))
217 /* Rectangle too small or scrollbar disabled -> no thumb */
218 *thumbPos
= *thumbSize
= 0;
222 INT32 max
= info
->MaxVal
- MAX( info
->Page
-1, 0 );
223 if (info
->MinVal
>= max
)
224 *thumbPos
= *arrowSize
;
226 *thumbPos
= *arrowSize
+ pixels
* (info
->CurVal
-info
->MinVal
) /
227 (max
- info
->MinVal
);
234 /***********************************************************************
237 * Compute the current scroll position based on the thumb position in pixels
238 * from the top of the scroll-bar.
240 static UINT32
SCROLL_GetThumbVal( SCROLLBAR_INFO
*infoPtr
, RECT32
*rect
,
241 BOOL32 vertical
, INT32 pos
)
244 INT32 pixels
= vertical
? rect
->bottom
-rect
->top
: rect
->right
-rect
->left
;
246 if ((pixels
-= 2*SYSMETRICS_CXVSCROLL
) <= 0) return infoPtr
->MinVal
;
250 thumbSize
= pixels
* infoPtr
->Page
/(infoPtr
->MaxVal
-infoPtr
->MinVal
+1);
251 if (thumbSize
< SCROLL_MIN_THUMB
) thumbSize
= SCROLL_MIN_THUMB
;
253 else thumbSize
= SYSMETRICS_CXVSCROLL
;
255 if ((pixels
-= thumbSize
+ 1) <= 0) return infoPtr
->MinVal
;
257 pos
= MAX( 0, pos
- SYSMETRICS_CXVSCROLL
);
258 if (pos
> pixels
) pos
= pixels
;
260 if (!infoPtr
->Page
) pos
*= infoPtr
->MaxVal
- infoPtr
->MinVal
;
261 else pos
*= infoPtr
->MaxVal
- infoPtr
->MinVal
- infoPtr
->Page
+ 1;
262 return infoPtr
->MinVal
+ ((pos
+ pixels
/ 2) / pixels
);
266 /***********************************************************************
269 * Scroll-bar hit testing (don't confuse this with WM_NCHITTEST!).
271 static enum SCROLL_HITTEST
SCROLL_HitTest( HWND32 hwnd
, INT32 nBar
,
274 INT32 arrowSize
, thumbSize
, thumbPos
;
277 BOOL32 vertical
= SCROLL_GetScrollBarRect( hwnd
, nBar
, &rect
,
278 &arrowSize
, &thumbSize
, &thumbPos
);
279 if (!PtInRect32( &rect
, pt
)) return SCROLL_NOWHERE
;
283 if (pt
.y
<= rect
.top
+ arrowSize
+ 1) return SCROLL_TOP_ARROW
;
284 if (pt
.y
>= rect
.bottom
- arrowSize
) return SCROLL_BOTTOM_ARROW
;
285 if (!thumbPos
) return SCROLL_TOP_RECT
;
287 if (pt
.y
< thumbPos
) return SCROLL_TOP_RECT
;
288 if (pt
.y
> thumbPos
+ thumbSize
) return SCROLL_BOTTOM_RECT
;
291 else /* horizontal */
293 if (pt
.x
<= rect
.left
+ arrowSize
) return SCROLL_TOP_ARROW
;
294 if (pt
.x
>= rect
.right
- arrowSize
) return SCROLL_BOTTOM_ARROW
;
295 if (!thumbPos
) return SCROLL_TOP_RECT
;
297 if (pt
.x
< thumbPos
) return SCROLL_TOP_RECT
;
298 if (pt
.x
> thumbPos
+ thumbSize
) return SCROLL_BOTTOM_RECT
;
304 /***********************************************************************
307 * Draw the scroll bar arrows.
309 static void SCROLL_DrawArrows( HDC32 hdc
, SCROLLBAR_INFO
*infoPtr
,
310 RECT32
*rect
, INT32 arrowSize
, BOOL32 vertical
,
311 BOOL32 top_pressed
, BOOL32 bottom_pressed
)
313 HDC32 hdcMem
= CreateCompatibleDC32( hdc
);
314 HBITMAP32 hbmpPrev
= SelectObject32( hdcMem
, vertical
?
315 TOP_ARROW(infoPtr
->flags
, top_pressed
)
316 : LEFT_ARROW(infoPtr
->flags
, top_pressed
));
317 SetStretchBltMode32( hdc
, STRETCH_DELETESCANS
);
318 StretchBlt32( hdc
, rect
->left
, rect
->top
,
319 vertical
? rect
->right
-rect
->left
: arrowSize
+1,
320 vertical
? arrowSize
+1 : rect
->bottom
-rect
->top
,
322 SYSMETRICS_CXVSCROLL
+ 1, SYSMETRICS_CYHSCROLL
+ 1,
325 SelectObject32( hdcMem
, vertical
?
326 BOTTOM_ARROW( infoPtr
->flags
, bottom_pressed
)
327 : RIGHT_ARROW( infoPtr
->flags
, bottom_pressed
) );
329 StretchBlt32( hdc
, rect
->left
, rect
->bottom
- arrowSize
- 1,
330 rect
->right
- rect
->left
, arrowSize
+ 1,
332 SYSMETRICS_CXVSCROLL
+ 1, SYSMETRICS_CYHSCROLL
+ 1,
335 StretchBlt32( hdc
, rect
->right
- arrowSize
- 1, rect
->top
,
336 arrowSize
+ 1, rect
->bottom
- rect
->top
,
338 SYSMETRICS_CXVSCROLL
+ 1, SYSMETRICS_CYHSCROLL
+ 1,
340 SelectObject32( hdcMem
, hbmpPrev
);
341 DeleteDC32( hdcMem
);
345 /***********************************************************************
346 * SCROLL_DrawMovingThumb
348 * Draw the moving thumb rectangle.
350 static void SCROLL_DrawMovingThumb( HDC32 hdc
, RECT32
*rect
, BOOL32 vertical
,
351 INT32 arrowSize
, INT32 thumbSize
)
356 r
.top
+= SCROLL_TrackingPos
;
357 if (r
.top
< rect
->top
+ arrowSize
) r
.top
= rect
->top
+ arrowSize
;
358 if (r
.top
+ thumbSize
>= rect
->bottom
- arrowSize
)
359 r
.top
= rect
->bottom
- arrowSize
- thumbSize
- 1;
360 r
.bottom
= r
.top
+ thumbSize
+ 1;
364 r
.left
+= SCROLL_TrackingPos
;
365 if (r
.left
< rect
->left
+ arrowSize
) r
.left
= rect
->left
+ arrowSize
;
366 if (r
.left
+ thumbSize
>= rect
->right
- arrowSize
)
367 r
.left
= rect
->right
- arrowSize
- thumbSize
- 1;
368 r
.right
= r
.left
+ thumbSize
+ 1;
370 InflateRect32( &r
, -1, -1 );
371 DrawFocusRect32( hdc
, &r
);
372 SCROLL_MovingThumb
= !SCROLL_MovingThumb
;
376 /***********************************************************************
377 * SCROLL_DrawInterior
379 * Draw the scroll bar interior (everything except the arrows).
381 static void SCROLL_DrawInterior( HWND32 hwnd
, HDC32 hdc
, INT32 nBar
,
382 RECT32
*rect
, INT32 arrowSize
,
383 INT32 thumbSize
, INT32 thumbPos
,
384 UINT32 flags
, BOOL32 vertical
,
385 BOOL32 top_selected
, BOOL32 bottom_selected
)
389 /* Select the correct brush and pen */
391 SelectObject32( hdc
, sysColorObjects
.hpenWindowFrame
);
392 if ((flags
& ESB_DISABLE_BOTH
) == ESB_DISABLE_BOTH
)
394 /* This ought to be the color of the parent window */
395 SelectObject32( hdc
, sysColorObjects
.hbrushWindow
);
399 if (nBar
== SB_CTL
) /* Only scrollbar controls send WM_CTLCOLOR */
401 HBRUSH32 hbrush
= SendMessage32A(GetParent32(hwnd
),
402 WM_CTLCOLORSCROLLBAR
, hdc
, hwnd
);
403 SelectObject32( hdc
, hbrush
);
405 else SelectObject32( hdc
, sysColorObjects
.hbrushScrollbar
);
408 /* Calculate the scroll rectangle */
414 r
.bottom
-= arrowSize
;
419 r
.right
-= arrowSize
;
422 /* Draw the scroll bar frame */
424 GRAPH_DrawRectangle( hdc
, r
.left
, r
.top
, r
.right
- 1, r
.bottom
- 1, 0);
426 /* Draw the scroll rectangles and thumb */
428 if (!thumbPos
) /* No thumb to draw */
430 PatBlt32( hdc
, r
.left
+1, r
.top
+1, r
.right
- r
.left
- 2,
431 r
.bottom
- r
.top
- 2, PATCOPY
);
437 PatBlt32( hdc
, r
.left
+ 1, r
.top
+ 1,
438 r
.right
- r
.left
- 2,
439 thumbPos
- arrowSize
,
440 top_selected
? 0x0f0000 : PATCOPY
);
441 r
.top
+= thumbPos
- arrowSize
;
442 PatBlt32( hdc
, r
.left
+ 1, r
.top
+ thumbSize
+ 1,
443 r
.right
- r
.left
- 2,
444 r
.bottom
- r
.top
- thumbSize
- 2,
445 bottom_selected
? 0x0f0000 : PATCOPY
);
446 r
.bottom
= r
.top
+ thumbSize
+ 1;
448 else /* horizontal */
450 PatBlt32( hdc
, r
.left
+ 1, r
.top
+ 1,
451 thumbPos
- arrowSize
,
452 r
.bottom
- r
.top
- 2,
453 top_selected
? 0x0f0000 : PATCOPY
);
454 r
.left
+= thumbPos
- arrowSize
;
455 PatBlt32( hdc
, r
.left
+ thumbSize
+ 1, r
.top
+ 1,
456 r
.right
- r
.left
- thumbSize
- 2,
457 r
.bottom
- r
.top
- 2,
458 bottom_selected
? 0x0f0000 : PATCOPY
);
459 r
.right
= r
.left
+ thumbSize
+ 1;
464 SelectObject32( hdc
, sysColorObjects
.hbrushBtnFace
);
465 Rectangle32( hdc
, r
.left
, r
.top
, r
.right
, r
.bottom
);
466 InflateRect32( &r
, -1, -1 );
467 GRAPH_DrawReliefRect( hdc
, &r
, 1, 2, FALSE
);
468 if (SCROLL_MovingThumb
&&
469 (SCROLL_TrackingWin
== hwnd
) &&
470 (SCROLL_TrackingBar
== nBar
))
472 SCROLL_DrawMovingThumb( hdc
, rect
, vertical
, arrowSize
, thumbSize
);
473 SCROLL_MovingThumb
= TRUE
;
478 /***********************************************************************
479 * SCROLL_DrawScrollBar
481 * Redraw the whole scrollbar.
483 void SCROLL_DrawScrollBar( HWND32 hwnd
, HDC32 hdc
, INT32 nBar
, BOOL32 arrows
)
485 INT32 arrowSize
, thumbSize
, thumbPos
;
488 WND
*wndPtr
= WIN_FindWndPtr( hwnd
);
489 SCROLLBAR_INFO
*infoPtr
= SCROLL_GetPtrScrollInfo( wndPtr
, nBar
);
491 if (!wndPtr
|| !infoPtr
||
492 ((nBar
== SB_VERT
) && !(wndPtr
->dwStyle
& WS_VSCROLL
)) ||
493 ((nBar
== SB_HORZ
) && !(wndPtr
->dwStyle
& WS_HSCROLL
))) return;
495 vertical
= SCROLL_GetScrollBarRect( hwnd
, nBar
, &rect
,
496 &arrowSize
, &thumbSize
, &thumbPos
);
497 /* Draw the arrows */
499 if (arrows
&& arrowSize
) SCROLL_DrawArrows( hdc
, infoPtr
, &rect
, arrowSize
,
500 vertical
, FALSE
, FALSE
);
502 SCROLL_DrawInterior( hwnd
, hdc
, nBar
, &rect
, arrowSize
, thumbSize
,
503 thumbPos
, infoPtr
->flags
, vertical
, FALSE
, FALSE
);
507 /***********************************************************************
508 * SCROLL_RefreshScrollBar
510 * Repaint the scroll bar interior after a SetScrollRange() or
511 * SetScrollPos() call.
513 static void SCROLL_RefreshScrollBar( HWND32 hwnd
, INT32 nBar
, BOOL32 arrows
)
515 HDC32 hdc
= GetDCEx32( hwnd
, 0,
516 DCX_CACHE
| ((nBar
== SB_CTL
) ? 0 : DCX_WINDOW
) );
518 SCROLL_DrawScrollBar( hwnd
, hdc
, nBar
, arrows
);
519 ReleaseDC32( hwnd
, hdc
);
523 /***********************************************************************
524 * SCROLL_HandleKbdEvent
526 * Handle a keyboard event (only for SB_CTL scrollbars).
528 static void SCROLL_HandleKbdEvent( HWND32 hwnd
, WPARAM32 wParam
)
530 WND
*wndPtr
= WIN_FindWndPtr( hwnd
);
535 case VK_PRIOR
: msg
= SB_PAGEUP
; break;
536 case VK_NEXT
: msg
= SB_PAGEDOWN
; break;
537 case VK_HOME
: msg
= SB_TOP
; break;
538 case VK_END
: msg
= SB_BOTTOM
; break;
539 case VK_UP
: msg
= SB_LINEUP
; break;
540 case VK_DOWN
: msg
= SB_LINEDOWN
; break;
544 SendMessage32A( GetParent32(hwnd
),
545 (wndPtr
->dwStyle
& SBS_VERT
) ? WM_VSCROLL
: WM_HSCROLL
,
550 /***********************************************************************
551 * SCROLL_HandleScrollEvent
553 * Handle a mouse or timer event for the scrollbar.
554 * 'pt' is the location of the mouse event in client (for SB_CTL) or
555 * windows coordinates.
557 void SCROLL_HandleScrollEvent( HWND32 hwnd
, INT32 nBar
, UINT32 msg
, POINT32 pt
)
559 /* Previous mouse position for timer events */
560 static POINT32 prevPt
;
561 /* Hit test code of the last button-down event */
562 static enum SCROLL_HITTEST trackHitTest
;
563 /* Thumb position when tracking started. */
564 static UINT32 trackThumbPos
;
565 /* Position in the scroll-bar of the last button-down event. */
566 static INT32 lastClickPos
;
567 /* Position in the scroll-bar of the last mouse event. */
568 static INT32 lastMousePos
;
570 enum SCROLL_HITTEST hittest
;
571 HWND32 hwndOwner
, hwndCtl
;
573 INT32 arrowSize
, thumbSize
, thumbPos
;
577 SCROLLBAR_INFO
*infoPtr
= SCROLL_GetScrollInfo( hwnd
, nBar
);
578 if (!infoPtr
) return;
579 if ((trackHitTest
== SCROLL_NOWHERE
) && (msg
!= WM_LBUTTONDOWN
)) return;
581 hdc
= GetDCEx32( hwnd
, 0, DCX_CACHE
| ((nBar
== SB_CTL
) ? 0 : DCX_WINDOW
));
582 vertical
= SCROLL_GetScrollBarRect( hwnd
, nBar
, &rect
,
583 &arrowSize
, &thumbSize
, &thumbPos
);
584 hwndOwner
= (nBar
== SB_CTL
) ? GetParent32(hwnd
) : hwnd
;
585 hwndCtl
= (nBar
== SB_CTL
) ? hwnd
: 0;
589 case WM_LBUTTONDOWN
: /* Initialise mouse tracking */
590 trackHitTest
= hittest
= SCROLL_HitTest( hwnd
, nBar
, pt
);
591 lastClickPos
= vertical
? (pt
.y
- rect
.top
) : (pt
.x
- rect
.left
);
592 lastMousePos
= lastClickPos
;
593 trackThumbPos
= thumbPos
;
595 SetCapture32( hwnd
);
596 if (nBar
== SB_CTL
) SetFocus32( hwnd
);
600 hittest
= SCROLL_HitTest( hwnd
, nBar
, pt
);
605 hittest
= SCROLL_NOWHERE
;
611 hittest
= SCROLL_HitTest( hwnd
, nBar
, pt
);
615 return; /* Should never happen */
618 dprintf_scroll( stddeb
, "ScrollBar Event: hwnd=%04x bar=%d msg=%x pt=%d,%d hit=%d\n",
619 hwnd
, nBar
, msg
, pt
.x
, pt
.y
, hittest
);
623 case SCROLL_NOWHERE
: /* No tracking in progress */
626 case SCROLL_TOP_ARROW
:
627 SCROLL_DrawArrows( hdc
, infoPtr
, &rect
, arrowSize
, vertical
,
628 (hittest
== trackHitTest
), FALSE
);
629 if (hittest
== trackHitTest
)
631 if ((msg
== WM_LBUTTONDOWN
) || (msg
== WM_SYSTIMER
))
633 SendMessage32A( hwndOwner
, vertical
? WM_VSCROLL
: WM_HSCROLL
,
634 SB_LINEUP
, hwndCtl
);
635 SetSystemTimer32( hwnd
, SCROLL_TIMER
, (msg
== WM_LBUTTONDOWN
) ?
636 SCROLL_FIRST_DELAY
: SCROLL_REPEAT_DELAY
,
640 else KillSystemTimer32( hwnd
, SCROLL_TIMER
);
643 case SCROLL_TOP_RECT
:
644 SCROLL_DrawInterior( hwnd
, hdc
, nBar
, &rect
, arrowSize
, thumbSize
,
645 thumbPos
, infoPtr
->flags
, vertical
,
646 (hittest
== trackHitTest
), FALSE
);
647 if (hittest
== trackHitTest
)
649 if ((msg
== WM_LBUTTONDOWN
) || (msg
== WM_SYSTIMER
))
651 SendMessage32A( hwndOwner
, vertical
? WM_VSCROLL
: WM_HSCROLL
,
652 SB_PAGEUP
, hwndCtl
);
653 SetSystemTimer32( hwnd
, SCROLL_TIMER
, (msg
== WM_LBUTTONDOWN
) ?
654 SCROLL_FIRST_DELAY
: SCROLL_REPEAT_DELAY
,
658 else KillSystemTimer32( hwnd
, SCROLL_TIMER
);
662 if (msg
== WM_LBUTTONDOWN
)
664 SCROLL_TrackingWin
= hwnd
;
665 SCROLL_TrackingBar
= nBar
;
666 SCROLL_TrackingPos
= trackThumbPos
+ lastMousePos
- lastClickPos
;
667 SCROLL_DrawMovingThumb(hdc
, &rect
, vertical
, arrowSize
, thumbSize
);
669 else if (msg
== WM_LBUTTONUP
)
671 SCROLL_TrackingWin
= 0;
672 SCROLL_MovingThumb
= FALSE
;
673 SCROLL_DrawInterior( hwnd
, hdc
, nBar
, &rect
, arrowSize
, thumbSize
,
674 thumbPos
, infoPtr
->flags
, vertical
,
677 else /* WM_MOUSEMOVE */
681 if (!PtInRect32( &rect
, pt
)) pos
= lastClickPos
;
682 else pos
= vertical
? (pt
.y
- rect
.top
) : (pt
.x
- rect
.left
);
683 if (pos
!= lastMousePos
)
685 SCROLL_DrawMovingThumb( hdc
, &rect
, vertical
,
686 arrowSize
, thumbSize
);
688 SCROLL_TrackingPos
= trackThumbPos
+ pos
- lastClickPos
;
689 SCROLL_TrackingVal
= SCROLL_GetThumbVal( infoPtr
, &rect
,
691 SCROLL_TrackingPos
);
692 SendMessage32A( hwndOwner
, vertical
? WM_VSCROLL
: WM_HSCROLL
,
693 MAKEWPARAM( SB_THUMBTRACK
, SCROLL_TrackingVal
),
695 SCROLL_DrawMovingThumb( hdc
, &rect
, vertical
,
696 arrowSize
, thumbSize
);
701 case SCROLL_BOTTOM_RECT
:
702 SCROLL_DrawInterior( hwnd
, hdc
, nBar
, &rect
, arrowSize
, thumbSize
,
703 thumbPos
, infoPtr
->flags
, vertical
,
704 FALSE
, (hittest
== trackHitTest
) );
705 if (hittest
== trackHitTest
)
707 if ((msg
== WM_LBUTTONDOWN
) || (msg
== WM_SYSTIMER
))
709 SendMessage32A( hwndOwner
, vertical
? WM_VSCROLL
: WM_HSCROLL
,
710 SB_PAGEDOWN
, hwndCtl
);
711 SetSystemTimer32( hwnd
, SCROLL_TIMER
, (msg
== WM_LBUTTONDOWN
) ?
712 SCROLL_FIRST_DELAY
: SCROLL_REPEAT_DELAY
,
716 else KillSystemTimer32( hwnd
, SCROLL_TIMER
);
719 case SCROLL_BOTTOM_ARROW
:
720 SCROLL_DrawArrows( hdc
, infoPtr
, &rect
, arrowSize
, vertical
,
721 FALSE
, (hittest
== trackHitTest
) );
722 if (hittest
== trackHitTest
)
724 if ((msg
== WM_LBUTTONDOWN
) || (msg
== WM_SYSTIMER
))
726 SendMessage32A( hwndOwner
, vertical
? WM_VSCROLL
: WM_HSCROLL
,
727 SB_LINEDOWN
, hwndCtl
);
728 SetSystemTimer32( hwnd
, SCROLL_TIMER
, (msg
== WM_LBUTTONDOWN
) ?
729 SCROLL_FIRST_DELAY
: SCROLL_REPEAT_DELAY
,
733 else KillSystemTimer32( hwnd
, SCROLL_TIMER
);
737 if (msg
== WM_LBUTTONUP
)
739 if (trackHitTest
== SCROLL_THUMB
)
741 UINT32 val
= SCROLL_GetThumbVal( infoPtr
, &rect
, vertical
,
742 trackThumbPos
+ lastMousePos
- lastClickPos
);
743 SendMessage32A( hwndOwner
, vertical
? WM_VSCROLL
: WM_HSCROLL
,
744 MAKEWPARAM( SB_THUMBPOSITION
, val
), hwndCtl
);
747 SendMessage32A( hwndOwner
, vertical
? WM_VSCROLL
: WM_HSCROLL
,
748 SB_ENDSCROLL
, hwndCtl
);
749 trackHitTest
= SCROLL_NOWHERE
; /* Terminate tracking */
752 ReleaseDC32( hwnd
, hdc
);
756 /***********************************************************************
759 LRESULT WINAPI
ScrollBarWndProc( HWND32 hwnd
, UINT32 message
, WPARAM32 wParam
,
766 CREATESTRUCT32A
*lpCreat
= (CREATESTRUCT32A
*)lParam
;
767 if (lpCreat
->style
& SBS_SIZEBOX
)
769 fprintf( stdnimp
, "Unimplemented style SBS_SIZEBOX.\n" );
770 return 0; /* FIXME */
773 if (lpCreat
->style
& SBS_VERT
)
775 if (lpCreat
->style
& SBS_LEFTALIGN
)
776 MoveWindow32( hwnd
, lpCreat
->x
, lpCreat
->y
,
777 SYSMETRICS_CXVSCROLL
+1, lpCreat
->cy
, FALSE
);
778 else if (lpCreat
->style
& SBS_RIGHTALIGN
)
780 lpCreat
->x
+lpCreat
->cx
-SYSMETRICS_CXVSCROLL
-1,
782 SYSMETRICS_CXVSCROLL
+1, lpCreat
->cy
, FALSE
);
786 if (lpCreat
->style
& SBS_TOPALIGN
)
787 MoveWindow32( hwnd
, lpCreat
->x
, lpCreat
->y
,
788 lpCreat
->cx
, SYSMETRICS_CYHSCROLL
+1, FALSE
);
789 else if (lpCreat
->style
& SBS_BOTTOMALIGN
)
792 lpCreat
->y
+lpCreat
->cy
-SYSMETRICS_CYHSCROLL
-1,
793 lpCreat
->cx
, SYSMETRICS_CYHSCROLL
+1, FALSE
);
796 if (!hUpArrow
) SCROLL_LoadBitmaps();
797 dprintf_scroll( stddeb
, "ScrollBar creation, hwnd=%04x\n", hwnd
);
806 CONV_POINT16TO32( (POINT16
*)&lParam
, &pt
);
807 SCROLL_HandleScrollEvent( hwnd
, SB_CTL
, message
, pt
);
812 SCROLL_HandleKbdEvent( hwnd
, wParam
);
819 return DLGC_WANTARROWS
; /* Windows returns this value */
824 HDC32 hdc
= BeginPaint32( hwnd
, &ps
);
825 SCROLL_DrawScrollBar( hwnd
, hdc
, SB_CTL
, TRUE
);
826 EndPaint32( hwnd
, &ps
);
832 return SetScrollPos32( hwnd
, SB_CTL
, wParam
, (BOOL32
)lParam
);
836 return GetScrollPos32( hwnd
, SB_CTL
);
839 SetScrollRange32( hwnd
, SB_CTL
, LOWORD(lParam
), HIWORD(lParam
),
840 wParam
/* FIXME: Is this correct? */ );
844 SetScrollRange32( hwnd
, SB_CTL
, wParam
, lParam
, FALSE
);
845 return 0; /* FIXME: return previous position */
849 fprintf( stderr
, "ScrollBar: don't know how to handle SBM_GETRANGE16 (wp=%04x,lp=%08lx)\n",
854 GetScrollRange32( hwnd
, SB_CTL
, (LPINT32
)wParam
, (LPINT32
)lParam
);
857 case SBM_ENABLE_ARROWS16
:
858 case SBM_ENABLE_ARROWS32
:
859 return EnableScrollBar32( hwnd
, SB_CTL
, wParam
);
861 case SBM_SETRANGEREDRAW32
:
862 SetScrollRange32( hwnd
, SB_CTL
, wParam
, lParam
, TRUE
);
863 return 0; /* FIXME: return previous position */
865 case SBM_SETSCROLLINFO32
:
866 return SetScrollInfo32( hwnd
, SB_CTL
, (SCROLLINFO
*)lParam
, wParam
);
868 case SBM_GETSCROLLINFO32
:
869 return GetScrollInfo32( hwnd
, SB_CTL
, (SCROLLINFO
*)lParam
);
879 fprintf(stderr
, "ScrollBar: unknown Win32 msg %04x wp=%08x lp=%08lx\n",
880 message
, wParam
, lParam
);
884 if (message
>= WM_USER
)
885 fprintf( stderr
, "ScrollBar: unknown msg %04x wp=%04x lp=%08lx\n",
886 message
, wParam
, lParam
);
887 return DefWindowProc32A( hwnd
, message
, wParam
, lParam
);
893 /*************************************************************************
894 * SetScrollInfo16 (USER.475)
896 INT16 WINAPI
SetScrollInfo16( HWND16 hwnd
, INT16 nBar
, const SCROLLINFO
*info
,
899 return (INT16
)SetScrollInfo32( hwnd
, nBar
, info
, bRedraw
);
903 /*************************************************************************
904 * SetScrollInfo32 (USER32.500)
906 INT32 WINAPI
SetScrollInfo32( HWND32 hwnd
, INT32 nBar
, const SCROLLINFO
*info
,
909 SCROLLBAR_INFO
*infoPtr
;
911 BOOL32 repaint_arrows
= FALSE
;
913 if (!(infoPtr
= SCROLL_GetScrollInfo(hwnd
, nBar
))) return 0;
914 if (info
->fMask
& ~(SIF_ALL
| SIF_DISABLENOSCROLL
)) return 0;
915 if ((info
->cbSize
!= sizeof(*info
)) &&
916 (info
->cbSize
!= sizeof(*info
)-sizeof(info
->nTrackPos
))) return 0;
918 dprintf_scroll( stddeb
, "SetScrollInfo: hwnd=%04x bar=%d", hwnd
, nBar
);
920 /* Set the page size */
922 if (info
->fMask
& SIF_PAGE
)
924 dprintf_scroll( stddeb
, " page=%d", info
->nPage
);
925 infoPtr
->Page
= info
->nPage
;
928 /* Set the scroll pos */
930 if (info
->fMask
& SIF_POS
)
932 dprintf_scroll( stddeb
, " pos=%d", info
->nPos
);
933 infoPtr
->CurVal
= info
->nPos
;
936 /* Set the scroll range */
938 if (info
->fMask
& SIF_RANGE
)
940 dprintf_scroll( stddeb
, " min=%d max=%d", info
->nMin
, info
->nMax
);
942 /* Invalid range -> range is set to (0,0) */
943 if ((info
->nMin
> info
->nMax
) ||
944 ((UINT32
)(info
->nMax
- info
->nMin
) >= 0x80000000))
951 infoPtr
->MinVal
= info
->nMin
;
952 infoPtr
->MaxVal
= info
->nMax
;
956 /* Make sure the page size is valid */
958 if (infoPtr
->Page
< 0) infoPtr
->Page
= 0;
959 else if (infoPtr
->Page
> infoPtr
->MaxVal
- infoPtr
->MinVal
+ 1 )
960 infoPtr
->Page
= infoPtr
->MaxVal
- infoPtr
->MinVal
+ 1;
962 /* Make sure the pos is inside the range */
964 if (infoPtr
->CurVal
< infoPtr
->MinVal
)
965 infoPtr
->CurVal
= infoPtr
->MinVal
;
966 else if (infoPtr
->CurVal
> infoPtr
->MaxVal
- MAX( infoPtr
->Page
-1, 0 ))
967 infoPtr
->CurVal
= infoPtr
->MaxVal
- MAX( infoPtr
->Page
-1, 0 );
969 dprintf_scroll( stddeb
, "\n new values: page=%d pos=%d min=%d max=%d\n",
970 infoPtr
->Page
, infoPtr
->CurVal
,
971 infoPtr
->MinVal
, infoPtr
->MaxVal
);
973 /* Check if the scrollbar should be hidden or disabled */
975 new_flags
= infoPtr
->flags
;
976 if (infoPtr
->MinVal
>= infoPtr
->MaxVal
- MAX( infoPtr
->Page
-1, 0 ))
978 /* Hide or disable scroll-bar */
979 if (info
->fMask
& SIF_DISABLENOSCROLL
) new_flags
= ESB_DISABLE_BOTH
;
980 else if (nBar
!= SB_CTL
)
982 ShowScrollBar32( hwnd
, nBar
, FALSE
);
983 bRedraw
= FALSE
; /* No need to repaint anything */
986 else /* Show and enable scroll-bar */
989 if (nBar
!= SB_CTL
) ShowScrollBar32( hwnd
, nBar
, TRUE
);
992 if (infoPtr
->flags
!= new_flags
)
994 infoPtr
->flags
= new_flags
;
995 repaint_arrows
= TRUE
;
998 if (bRedraw
|| repaint_arrows
)
999 SCROLL_RefreshScrollBar( hwnd
, nBar
, repaint_arrows
);
1001 /* Return current position */
1003 return infoPtr
->CurVal
;
1007 /*************************************************************************
1008 * GetScrollInfo16 (USER.476)
1010 BOOL16 WINAPI
GetScrollInfo16( HWND16 hwnd
, INT16 nBar
, LPSCROLLINFO info
)
1012 return GetScrollInfo32( hwnd
, nBar
, info
);
1016 /*************************************************************************
1017 * GetScrollInfo32 (USER32.283)
1019 BOOL32 WINAPI
GetScrollInfo32( HWND32 hwnd
, INT32 nBar
, LPSCROLLINFO info
)
1021 SCROLLBAR_INFO
*infoPtr
;
1023 if (!(infoPtr
= SCROLL_GetScrollInfo( hwnd
, nBar
))) return FALSE
;
1024 if (info
->fMask
& ~(SIF_ALL
| SIF_DISABLENOSCROLL
)) return FALSE
;
1025 if ((info
->cbSize
!= sizeof(*info
)) &&
1026 (info
->cbSize
!= sizeof(*info
)-sizeof(info
->nTrackPos
))) return FALSE
;
1028 if (info
->fMask
& SIF_PAGE
) info
->nPage
= infoPtr
->Page
;
1029 if (info
->fMask
& SIF_POS
) info
->nPos
= infoPtr
->CurVal
;
1030 if ((info
->fMask
& SIF_TRACKPOS
) && (info
->cbSize
== sizeof(*info
)))
1031 info
->nTrackPos
= (SCROLL_TrackingWin
==hwnd
) ? SCROLL_TrackingVal
: 0;
1032 if (info
->fMask
& SIF_RANGE
)
1034 info
->nMin
= infoPtr
->MinVal
;
1035 info
->nMax
= infoPtr
->MaxVal
;
1037 return (info
->fMask
& SIF_ALL
) != 0;
1041 /*************************************************************************
1042 * SetScrollPos16 (USER.62)
1044 INT16 WINAPI
SetScrollPos16( HWND16 hwnd
, INT16 nBar
, INT16 nPos
,
1047 return (INT16
)SetScrollPos32( hwnd
, nBar
, nPos
, bRedraw
);
1051 /*************************************************************************
1052 * SetScrollPos32 (USER32.501)
1054 INT32 WINAPI
SetScrollPos32( HWND32 hwnd
, INT32 nBar
, INT32 nPos
,
1058 SCROLLBAR_INFO
*infoPtr
;
1061 if (!(infoPtr
= SCROLL_GetScrollInfo( hwnd
, nBar
))) return 0;
1062 oldPos
= infoPtr
->CurVal
;
1063 info
.cbSize
= sizeof(info
);
1065 info
.fMask
= SIF_POS
;
1066 SetScrollInfo32( hwnd
, nBar
, &info
, bRedraw
);
1071 /*************************************************************************
1072 * GetScrollPos16 (USER.63)
1074 INT16 WINAPI
GetScrollPos16( HWND16 hwnd
, INT16 nBar
)
1076 return (INT16
)GetScrollPos32( hwnd
, nBar
);
1080 /*************************************************************************
1081 * GetScrollPos32 (USER32.284)
1083 INT32 WINAPI
GetScrollPos32( HWND32 hwnd
, INT32 nBar
)
1085 SCROLLBAR_INFO
*infoPtr
;
1087 if (!(infoPtr
= SCROLL_GetScrollInfo( hwnd
, nBar
))) return 0;
1088 return infoPtr
->CurVal
;
1092 /*************************************************************************
1093 * SetScrollRange16 (USER.64)
1095 void WINAPI
SetScrollRange16( HWND16 hwnd
, INT16 nBar
,
1096 INT16 MinVal
, INT16 MaxVal
, BOOL16 bRedraw
)
1098 /* Invalid range -> range is set to (0,0) */
1099 if ((INT32
)MaxVal
- (INT32
)MinVal
> 0x7fff) MinVal
= MaxVal
= 0;
1100 SetScrollRange32( hwnd
, nBar
, MinVal
, MaxVal
, bRedraw
);
1104 /*************************************************************************
1105 * SetScrollRange32 (USER32.502)
1107 BOOL32 WINAPI
SetScrollRange32( HWND32 hwnd
, INT32 nBar
,
1108 INT32 MinVal
, INT32 MaxVal
, BOOL32 bRedraw
)
1112 info
.cbSize
= sizeof(info
);
1115 info
.fMask
= SIF_RANGE
;
1116 SetScrollInfo32( hwnd
, nBar
, &info
, bRedraw
);
1121 /*************************************************************************
1122 * SCROLL_SetNCSbState
1124 * This is for CalcChildScroll in windows/mdi.c
1126 DWORD
SCROLL_SetNCSbState(WND
* wndPtr
, int vMin
, int vMax
, int vPos
,
1127 int hMin
, int hMax
, int hPos
)
1129 SCROLLBAR_INFO
*infoPtr
= SCROLL_GetPtrScrollInfo(wndPtr
, SB_VERT
);
1131 wndPtr
->dwStyle
|= (WS_VSCROLL
| WS_HSCROLL
);
1135 wndPtr
->dwStyle
&= ~WS_VSCROLL
; }
1136 if( vPos
> vMax
) vPos
= vMax
; else if( vPos
< vMin
) vPos
= vMin
;
1137 infoPtr
->MinVal
= vMin
;
1138 infoPtr
->MaxVal
= vMax
;
1139 infoPtr
->CurVal
= vPos
;
1141 infoPtr
= SCROLL_GetPtrScrollInfo(wndPtr
, SB_HORZ
);
1145 wndPtr
->dwStyle
&= ~WS_HSCROLL
; }
1146 if( hPos
> hMax
) hPos
= hMax
; else if( hPos
< hMin
) hPos
= hMin
;
1147 infoPtr
->MinVal
= hMin
;
1148 infoPtr
->MaxVal
= hMax
;
1149 infoPtr
->CurVal
= hPos
;
1151 return wndPtr
->dwStyle
& (WS_VSCROLL
| WS_HSCROLL
);
1155 /*************************************************************************
1156 * GetScrollRange16 (USER.65)
1158 BOOL16 WINAPI
GetScrollRange16( HWND16 hwnd
, INT16 nBar
,
1159 LPINT16 lpMin
, LPINT16 lpMax
)
1162 BOOL16 ret
= GetScrollRange32( hwnd
, nBar
, &min
, &max
);
1163 if (lpMin
) *lpMin
= min
;
1164 if (lpMax
) *lpMax
= max
;
1169 /*************************************************************************
1170 * GetScrollRange32 (USER32.285)
1172 BOOL32 WINAPI
GetScrollRange32( HWND32 hwnd
, INT32 nBar
,
1173 LPINT32 lpMin
, LPINT32 lpMax
)
1175 SCROLLBAR_INFO
*infoPtr
;
1177 if (!(infoPtr
= SCROLL_GetScrollInfo( hwnd
, nBar
)))
1179 if (lpMin
) lpMin
= 0;
1180 if (lpMax
) lpMax
= 0;
1183 if (lpMin
) *lpMin
= infoPtr
->MinVal
;
1184 if (lpMax
) *lpMax
= infoPtr
->MaxVal
;
1189 /*************************************************************************
1190 * ShowScrollBar16 (USER.267)
1192 void WINAPI
ShowScrollBar16( HWND16 hwnd
, INT16 nBar
, BOOL16 fShow
)
1194 ShowScrollBar32( hwnd
, nBar
, fShow
);
1198 /*************************************************************************
1199 * ShowScrollBar32 (USER32.531)
1201 BOOL32 WINAPI
ShowScrollBar32( HWND32 hwnd
, INT32 nBar
, BOOL32 fShow
)
1203 WND
*wndPtr
= WIN_FindWndPtr( hwnd
);
1205 if (!wndPtr
) return FALSE
;
1206 dprintf_scroll( stddeb
, "ShowScrollBar: hwnd=%04x bar=%d on=%d\n",
1207 hwnd
, nBar
, fShow
);
1212 ShowWindow32( hwnd
, fShow
? SW_SHOW
: SW_HIDE
);
1218 if (wndPtr
->dwStyle
& WS_HSCROLL
) return TRUE
;
1219 wndPtr
->dwStyle
|= WS_HSCROLL
;
1223 if (!(wndPtr
->dwStyle
& WS_HSCROLL
)) return TRUE
;
1224 wndPtr
->dwStyle
&= ~WS_HSCROLL
;
1231 if (wndPtr
->dwStyle
& WS_VSCROLL
) return TRUE
;
1232 wndPtr
->dwStyle
|= WS_VSCROLL
;
1236 if (!(wndPtr
->dwStyle
& WS_VSCROLL
)) return TRUE
;
1237 wndPtr
->dwStyle
&= ~WS_VSCROLL
;
1244 if ((wndPtr
->dwStyle
& WS_HSCROLL
)
1245 && (wndPtr
->dwStyle
& WS_VSCROLL
)) return TRUE
;
1246 wndPtr
->dwStyle
|= WS_HSCROLL
| WS_VSCROLL
;
1250 if (!(wndPtr
->dwStyle
& WS_HSCROLL
)
1251 && !(wndPtr
->dwStyle
& WS_VSCROLL
)) return TRUE
;
1252 wndPtr
->dwStyle
&= ~(WS_HSCROLL
| WS_VSCROLL
);
1257 return TRUE
; /* Nothing to do! */
1259 SetWindowPos32( hwnd
, 0, 0, 0, 0, 0, SWP_NOSIZE
| SWP_NOMOVE
1260 | SWP_NOACTIVATE
| SWP_NOZORDER
| SWP_FRAMECHANGED
);
1265 /*************************************************************************
1266 * EnableScrollBar16 (USER.482)
1268 BOOL16 WINAPI
EnableScrollBar16( HWND16 hwnd
, INT16 nBar
, UINT16 flags
)
1270 return EnableScrollBar32( hwnd
, nBar
, flags
);
1274 /*************************************************************************
1275 * EnableScrollBar32 (USER32.170)
1277 BOOL32 WINAPI
EnableScrollBar32( HWND32 hwnd
, INT32 nBar
, UINT32 flags
)
1279 SCROLLBAR_INFO
*infoPtr
;
1281 if (!(infoPtr
= SCROLL_GetScrollInfo( hwnd
, nBar
))) return FALSE
;
1282 dprintf_scroll( stddeb
, "EnableScrollBar: %04x %d %d\n",
1283 hwnd
, nBar
, flags
);
1284 flags
&= ESB_DISABLE_BOTH
;
1285 if (infoPtr
->flags
== flags
) return FALSE
;
1286 infoPtr
->flags
= flags
;
1288 /* Redraw the whole scroll bar */
1289 SCROLL_RefreshScrollBar( hwnd
, nBar
, TRUE
);