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Added support of blinking thumb as found in Windows scrollbar.

This commit is contained in:
Francois Methot 2000-10-25 21:26:27 +00:00 committed by Alexandre Julliard
parent d1082dcaa1
commit 9a58351fda
1 changed files with 67 additions and 2 deletions
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69
controls/scroll.c
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@ -816,6 +816,18 @@ void SCROLL_DrawScrollBar( HWND hwnd, HDC hdc, INT nBar,
(SCROLL_TrackingBar == nBar))
SCROLL_DrawMovingThumb( hdc, &rect, vertical, arrowSize, thumbSize );
if(hwnd==GetFocus()) /* if scroll bar has focus, reposition the caret*/
{
if (!vertical)
{
SetCaretPos(thumbPos+1, rect.top+1);
}
else
{
SetCaretPos(rect.top+1, thumbPos+1);
}
}
END:
WIN_ReleaseWndPtr(wndPtr);
}
@ -907,14 +919,15 @@ void SCROLL_HandleScrollEvent( HWND hwnd, INT nBar, UINT msg, POINT pt)
switch(msg)
{
case WM_LBUTTONDOWN: /* Initialise mouse tracking */
SCROLL_trackVertical = vertical;
HideCaret(hwnd); /* hide caret while holding down LBUTTON*/
SCROLL_trackVertical = vertical;
SCROLL_trackHitTest = hittest = SCROLL_HitTest( hwnd, nBar, pt, FALSE );
lastClickPos = vertical ? (pt.y - rect.top) : (pt.x - rect.left);
lastMousePos = lastClickPos;
trackThumbPos = thumbPos;
prevPt = pt;
SetCapture( hwnd );
if (nBar == SB_CTL) SetFocus( hwnd );
if (nBar == SB_CTL && (GetWindowLongA(hwnd, GWL_STYLE) & WS_TABSTOP)) SetFocus( hwnd );
break;
case WM_MOUSEMOVE:
@ -925,6 +938,8 @@ void SCROLL_HandleScrollEvent( HWND hwnd, INT nBar, UINT msg, POINT pt)
case WM_LBUTTONUP:
hittest = SCROLL_NOWHERE;
ReleaseCapture();
/* if scrollbar has focus, show back caret */
if (hwnd==GetFocus()) ShowCaret(hwnd);
break;
case WM_SYSTIMER:
@ -1142,10 +1157,60 @@ LRESULT WINAPI ScrollBarWndProc( HWND hwnd, UINT message, WPARAM wParam,
}
break;
/* if key event is received, the scrollbar has the focus*/
case WM_KEYDOWN:
HideCaret(hwnd); /*hide caret to prevent flicker*/
SCROLL_HandleKbdEvent( hwnd, wParam );
break;
case WM_KEYUP:
ShowCaret(hwnd);
break;
case WM_SETFOCUS:
{
/* Create a caret when a ScrollBar get focus*/
RECT rect;
int arrowSize, thumbSize, thumbPos, vertical;
if(hwnd==GetFocus())
{
vertical = SCROLL_GetScrollBarRect( hwnd, SB_CTL, &rect,
&arrowSize, &thumbSize, &thumbPos );
if (!vertical)
{
CreateCaret(hwnd,1, thumbSize-2, rect.bottom-rect.top-2);
SetCaretPos(thumbPos+1, rect.top+1);
}
else
{
CreateCaret(hwnd,1, rect.right-rect.left-2,thumbSize-2);
SetCaretPos(rect.top+1, thumbPos+1);
}
ShowCaret(hwnd);
}
}
break;
case WM_KILLFOCUS:
{
RECT rect;
int arrowSize, thumbSize, thumbPos, vertical;
vertical = SCROLL_GetScrollBarRect( hwnd, SB_CTL, &rect,&arrowSize, &thumbSize, &thumbPos );
if (!vertical){
rect.left=thumbPos+1;
rect.right=rect.left+thumbSize;
}
else
{
rect.top=thumbPos+1;
rect.bottom=rect.top+thumbSize;
}
HideCaret(hwnd);
InvalidateRect(hwnd,&rect,0);
DestroyCaret();
}
break;
case WM_ERASEBKGND:
return 1;