void ScrollTo(HWND hwnd, struct ClcData *dat, int desty, int noSmooth)
{
DWORD startTick, nowTick;
int oldy = dat->yScroll;
RECT clRect, rcInvalidate;
int maxy, previousy;
if (dat->iHotTrack != -1 && dat->yScroll != desty) {
pcli->pfnInvalidateItem(hwnd, dat, dat->iHotTrack);
dat->iHotTrack = -1;
ReleaseCapture();
}
GetClientRect(hwnd, &clRect);
rcInvalidate = clRect;
maxy = RowHeight::getTotalHeight(dat)-clRect.bottom;
if (desty > maxy)
desty = maxy;
if (desty < 0)
desty = 0;
if (abs(desty - dat->yScroll) < 4)
noSmooth = 1;
if ( !noSmooth && dat->exStyle & CLS_EX_NOSMOOTHSCROLLING)
noSmooth = 1;
previousy = dat->yScroll;
if ( !noSmooth) {
startTick = GetTickCount();
for (; ;) {
nowTick = GetTickCount();
if (nowTick >= startTick + dat->scrollTime)
break;
dat->yScroll = oldy + (desty - oldy) * (int) (nowTick - startTick) / dat->scrollTime;
if (dat->backgroundBmpUse & CLBF_SCROLL || dat->hBmpBackground == NULL)
ScrollWindowEx(hwnd, 0, previousy - dat->yScroll, NULL, NULL, NULL, NULL, SW_INVALIDATE);
else
InvalidateRect(hwnd, NULL, FALSE);
previousy = dat->yScroll;
if (cfg::dat.bSkinnedScrollbar && !dat->bisEmbedded)
CoolSB_SetScrollPos(hwnd, SB_VERT, dat->yScroll, TRUE);
else
SetScrollPos(hwnd, SB_VERT, dat->yScroll, TRUE);
UpdateWindow(hwnd);
}
}
dat->yScroll = desty;
if (dat->backgroundBmpUse & CLBF_SCROLL || dat->hBmpBackground == NULL) {
if ( !noSmooth)
ScrollWindowEx(hwnd, 0, previousy - dat->yScroll, NULL, NULL, NULL, NULL, SW_INVALIDATE);
else
InvalidateRect(hwnd, NULL, FALSE);
}
else
InvalidateRect(hwnd, NULL, FALSE);
if (cfg::dat.bSkinnedScrollbar && !dat->bisEmbedded)
CoolSB_SetScrollPos(hwnd, SB_VERT, dat->yScroll, TRUE);
else
SetScrollPos(hwnd, SB_VERT, dat->yScroll, TRUE);
dat->forceScroll = 0;
}
void ExecutionLogWindow::ScrollTo(HWND hwnd, int pos)
{
/*
* Keep the value in the range 0 .. (g_cItems - g_cLinesPerPage).
*/
pos = max(pos, 0);
pos = min(pos, (int)m_lines.size() - m_cLinesPerPage);
/*
* Scroll the window contents accordingly.
*/
ScrollWindowEx(hwnd, 0, (m_yOrigin - pos) * m_cyLine,
NULL, NULL, NULL, NULL,
SW_ERASE | SW_INVALIDATE);
/*
* Now that the window has scrolled, a new item is at the top.
*/
m_yOrigin = pos;
/*
* And make the scrollbar look like what we think it is.
*/
SCROLLINFO si;
si.cbSize = sizeof(si);
si.fMask = SIF_PAGE | SIF_POS | SIF_RANGE;
si.nPage = m_cLinesPerPage;
si.nMin = 0;
si.nMax = (int)m_lines.size() - 1; /* endpoint is inclusive */
si.nPos = m_yOrigin;
SetScrollInfo(hwnd, SB_VERT, &si, TRUE);
}
static void hscrollto(struct table *t, intptr_t newpos)
{
SCROLLINFO si;
RECT scrollArea;
if (newpos < 0)
newpos = 0;
if (newpos > (t->width - t->hpagesize))
newpos = (t->width - t->hpagesize);
scrollArea = realClientRect(t);
// negative because ScrollWindowEx() is "backwards"
if (ScrollWindowEx(t->hwnd, -(newpos - t->hpos), 0,
&scrollArea, &scrollArea, NULL, NULL,
SW_ERASE | SW_INVALIDATE) == ERROR)
abort();
t->hpos = newpos;
// TODO text in header controls doesn't redraw?
// TODO put this in a separate function? same for vscroll?
ZeroMemory(&si, sizeof (SCROLLINFO));
si.cbSize = sizeof (SCROLLINFO);
si.fMask = SIF_PAGE | SIF_POS | SIF_RANGE;
si.nPage = t->hpagesize;
si.nMin = 0;
si.nMax = t->width - 1; // nMax is inclusive
si.nPos = t->hpos;
SetScrollInfo(t->hwnd, SB_HORZ, &si, TRUE);
// and finally reposition the header
repositionHeader(t);
}
static LRESULT
Display_OnSize(HWND hwnd)
{
RECT rect;
SCROLLINFO si;
int nOldPos;
GetClientRect(hwnd, &rect);
/* Get the old scroll pos */
si.cbSize = sizeof(si);
si.fMask = SIF_POS;
GetScrollInfo(hwnd, SB_VERT, &si);
nOldPos = si.nPos;
/* Set the new page size */
si.fMask = SIF_PAGE;
si.nPage = rect.bottom;
SetScrollInfo(hwnd, SB_VERT, &si, TRUE);
/* Get the new scroll pos */
si.fMask = SIF_POS;
GetScrollInfo(hwnd, SB_VERT, &si);
/* If they don't match ... */
if (nOldPos != si.nPos)
{
/* ... scroll the window */
ScrollWindowEx(hwnd, 0, nOldPos - si.nPos, NULL, NULL, NULL, NULL, SW_INVALIDATE);
UpdateWindow(hwnd);
}
return 0;
}
static void vscrollto(struct table *t, intptr_t newpos)
{
SCROLLINFO si;
RECT scrollArea;
if (newpos < 0)
newpos = 0;
if (newpos > (t->count - t->pagesize))
newpos = (t->count - t->pagesize);
scrollArea = realClientRect(t);
// negative because ScrollWindowEx() is "backwards"
if (ScrollWindowEx(t->hwnd, 0, (-(newpos - t->firstVisible)) * rowHeight(t),
&scrollArea, &scrollArea, NULL, NULL,
SW_ERASE | SW_INVALIDATE) == ERROR)
abort();
t->firstVisible = newpos;
ZeroMemory(&si, sizeof (SCROLLINFO));
si.cbSize = sizeof (SCROLLINFO);
si.fMask = SIF_PAGE | SIF_POS | SIF_RANGE;
si.nPage = t->pagesize;
si.nMin = 0;
si.nMax = t->count - 1; // nMax is inclusive
si.nPos = t->firstVisible;
SetScrollInfo(t->hwnd, SB_VERT, &si, TRUE);
}
void playlist_view::move_header(bool redraw, bool update)
{
RECT rc_playlist, rc_header;
GetClientRect(wnd_playlist, &rc_playlist);
GetRelativeRect(wnd_header, wnd_playlist, &rc_header);
int header_height = calculate_header_height();
if (rc_header.left != 0 - horizontal_offset ||
rc_header.top != 0 ||
rc_header.right - rc_header.left != rc_playlist.right - rc_playlist.left + horizontal_offset ||
rc_header.bottom - rc_header.top != header_height)
{
SendMessage(wnd_header, WM_SETREDRAW, FALSE, 0);
if (rc_header.bottom - rc_header.top != header_height)
{
RECT playlist, redraw;
get_playlist_rect(&playlist);
ScrollWindowEx(wnd_playlist, 0, (header_height - rc_header.bottom), &playlist, &playlist, 0, &redraw, 0);
// RedrawWindow(wnd_playlist,&redraw,0,RDW_INVALIDATE|RDW_UPDATENOW);
}
SetWindowPos(wnd_header, 0, 0 - horizontal_offset, 0, rc_playlist.right - rc_playlist.left + horizontal_offset, header_height, SWP_NOZORDER);
if (cfg_nohscroll && update) rebuild_header(false);
SendMessage(wnd_header, WM_SETREDRAW, TRUE, 0);
if (redraw) RedrawWindow(wnd_header, 0, 0, RDW_UPDATENOW | RDW_INVALIDATE);
}
}
void ScrollTo(HWND hwnd,struct ClcData *dat,int desty,int noSmooth)
{
DWORD startTick,nowTick;
int oldy=dat->yScroll;
RECT clRect,rcInvalidate;
int maxy,previousy;
if(dat->iHotTrack!=-1 && dat->yScroll != desty) {
InvalidateItem(hwnd,dat,dat->iHotTrack);
dat->iHotTrack=-1;
ReleaseCapture();
}
GetClientRect(hwnd,&clRect);
rcInvalidate=clRect;
//maxy=dat->rowHeight*GetGroupContentsCount(&dat->list,2)-clRect.bottom;
maxy=RowHeights_GetTotalHeight(dat)-clRect.bottom;
if(desty>maxy) desty=maxy;
if(desty<0) desty=0;
if(abs(desty-dat->yScroll)<4) noSmooth=1;
if(!noSmooth && dat->exStyle&CLS_EX_NOSMOOTHSCROLLING) noSmooth=1;
previousy=dat->yScroll;
if(!noSmooth) {
startTick=GetTickCount();
for(;;) {
nowTick=GetTickCount();
if(nowTick>=startTick+dat->scrollTime) break;
dat->yScroll=oldy+(desty-oldy)*(int)(nowTick-startTick)/dat->scrollTime;
if(/*dat->backgroundBmpUse&CLBF_SCROLL || dat->hBmpBackground==NULL &&*/FALSE)
ScrollWindowEx(hwnd,0,previousy-dat->yScroll,NULL,NULL,NULL,NULL,SW_INVALIDATE);
else
{
UpdateFrameImage((WPARAM) hwnd, (LPARAM) 0);
//InvalidateRectZ(hwnd,NULL,FALSE);
}
previousy=dat->yScroll;
SetScrollPos(hwnd,SB_VERT,dat->yScroll,TRUE);
UpdateFrameImage((WPARAM) hwnd, (LPARAM) 0);
UpdateWindow(hwnd);
}
}
dat->yScroll=desty;
if((dat->backgroundBmpUse&CLBF_SCROLL || dat->hBmpBackground==NULL) && FALSE)
ScrollWindowEx(hwnd,0,previousy-dat->yScroll,NULL,NULL,NULL,NULL,SW_INVALIDATE);
else
InvalidateRectZ(hwnd,NULL,FALSE);
SetScrollPos(hwnd,SB_VERT,dat->yScroll,TRUE);
}
/* on WM_HSCROLL */
void
onMSNH_HScroll(HWND hWnd, WPARAM wParam, LPARAM lParam)
{
PNHMapWindow data;
SCROLLINFO si;
int xNewPos;
int xDelta;
/* get window data */
data = (PNHMapWindow) GetWindowLong(hWnd, GWL_USERDATA);
switch (LOWORD(wParam)) {
/* User clicked shaft left of the scroll box. */
case SB_PAGEUP:
xNewPos = data->xPos - data->xPageSize;
break;
/* User clicked shaft right of the scroll box. */
case SB_PAGEDOWN:
xNewPos = data->xPos + data->xPageSize;
break;
/* User clicked the left arrow. */
case SB_LINEUP:
xNewPos = data->xPos - 1;
break;
/* User clicked the right arrow. */
case SB_LINEDOWN:
xNewPos = data->xPos + 1;
break;
/* User dragged the scroll box. */
case SB_THUMBTRACK:
xNewPos = HIWORD(wParam);
break;
default:
xNewPos = data->xPos;
}
xNewPos = max(0, min(COLNO - data->xPageSize + 1, xNewPos));
if (xNewPos == data->xPos)
return;
xDelta = xNewPos - data->xPos;
data->xPos = xNewPos;
ScrollWindowEx(hWnd, -data->xScrTile * xDelta, 0, (CONST RECT *) NULL,
(CONST RECT *) NULL, (HRGN) NULL, (LPRECT) NULL,
SW_INVALIDATE | SW_ERASE);
if (!GetNHApp()->bHideScrollBars) {
si.cbSize = sizeof(si);
si.fMask = SIF_POS;
si.nPos = data->xPos;
SetScrollInfo(hWnd, SB_HORZ, &si, TRUE);
}
}
void Test_ScrollWindowEx()
{
HWND hWnd;
HRGN hrgn;
int Result;
/* Create a window */
hWnd = CreateWindowW(L"BUTTON", L"TestWindow", WS_OVERLAPPEDWINDOW | WS_VISIBLE,
CW_USEDEFAULT, CW_USEDEFAULT, 100, 100,
NULL, NULL, 0, 0);
UpdateWindow(hWnd);
/* Assert that no update region is there */
hrgn = CreateRectRgn(0,0,0,0);
Result = GetUpdateRgn(hWnd, hrgn, FALSE);
ok(Result == NULLREGION, "Result = %d\n", Result);
Result = ScrollWindowEx(hWnd, 20, 0, NULL, NULL, NULL, NULL, 0);
ok(Result == SIMPLEREGION, "Result = %d\n", Result);
Result = GetUpdateRgn(hWnd, hrgn, FALSE);
ok(Result == NULLREGION, "Result = %d\n", Result);
Result = ScrollWindowEx(hWnd, 20, 0, NULL, NULL, NULL, NULL, SW_INVALIDATE);
ok(Result == SIMPLEREGION, "Result = %d\n", Result);
Result = GetUpdateRgn(hWnd, hrgn, FALSE);
ok(Result == SIMPLEREGION, "Result = %d\n", Result);
UpdateWindow(hWnd);
// test invalid update region
DeleteObject(hrgn);
Result = ScrollWindowEx(hWnd, 20, 0, NULL, NULL, hrgn, NULL, SW_INVALIDATE);
ok(Result == ERROR, "Result = %d\n", Result);
hrgn = CreateRectRgn(0,0,0,0);
UpdateWindow(hWnd);
// Test invalid updaterect pointer
Result = ScrollWindowEx(hWnd, 20, 0, NULL, NULL, NULL, (LPRECT)1, SW_INVALIDATE);
ok(Result == ERROR, "Result = %d\n", Result);
Result = GetUpdateRgn(hWnd, hrgn, FALSE);
ok(Result == SIMPLEREGION, "Result = %d\n", Result);
// test for alignment of rects
DeleteObject(hrgn);
DestroyWindow(hWnd);
}
DECLSPEC_HIDDEN void WINAPI ITextHostImpl_TxScrollWindowEx(ITextHost *iface, INT dx, INT dy, LPCRECT lprcScroll,
LPCRECT lprcClip, HRGN hRgnUpdate, LPRECT lprcUpdate,
UINT fuScroll)
{
ITextHostImpl *This = impl_from_ITextHost(iface);
ScrollWindowEx(This->hWnd, dx, dy, lprcScroll, lprcClip,
hRgnUpdate, lprcUpdate, fuScroll);
}
/*************************************************************************
* ScrollWindow (USER32.@)
*
*/
BOOL WINAPI ScrollWindow( HWND hwnd, INT dx, INT dy,
const RECT *rect, const RECT *clipRect )
{
return
(ERROR != ScrollWindowEx( hwnd, dx, dy, rect, clipRect, 0, NULL,
(rect ? 0 : SW_SCROLLCHILDREN) |
SW_INVALIDATE ));
}
LRESULT CView::OnVScroll(UINT uMsg, WPARAM wParam, LPARAM lParam)
{
UNREFERENCED_PARAMETER(uMsg);
UNREFERENCED_PARAMETER(lParam);
int yNewPos;
switch (LOWORD(wParam))
{
case SB_PAGEUP: // User clicked the scroll bar shaft above the scroll box.
yNewPos = m_yCurrentScroll - 50;
break;
case SB_PAGEDOWN: // User clicked the scroll bar shaft below the scroll box.
yNewPos = m_yCurrentScroll + 50;
break;
case SB_LINEUP: // User clicked the top arrow.
yNewPos = m_yCurrentScroll - 5;
break;
case SB_LINEDOWN: // User clicked the bottom arrow.
yNewPos = m_yCurrentScroll + 5;
break;
case SB_THUMBPOSITION: // User dragged the scroll box.
yNewPos = HIWORD(wParam);
break;
case SB_THUMBTRACK: // User dragging the scroll box.
yNewPos = HIWORD(wParam);
break;
default:
yNewPos = m_yCurrentScroll;
}
// Scroll the window.
yNewPos = MAX(0, yNewPos);
yNewPos = MIN( yNewPos, GetImageRect().Height() - GetClientRect().Height() );
int yDelta = yNewPos - m_yCurrentScroll;
m_yCurrentScroll = yNewPos;
ScrollWindowEx(0, -yDelta, NULL, NULL, NULL, NULL, SW_INVALIDATE);
// Reset the scroll bar.
SCROLLINFO si;
ZeroMemory(&si, sizeof(SCROLLINFO));
si.cbSize = sizeof(si);
si.fMask = SIF_RANGE | SIF_PAGE | SIF_POS;
si.cbSize = sizeof(si);
si.fMask = SIF_POS;
si.nPos = m_yCurrentScroll;
SetScrollInfo(SB_VERT, si, TRUE);
return 0;
}
/* on WM_VSCROLL */
void onMSNH_VScroll(HWND hWnd, WPARAM wParam, LPARAM lParam)
{
PNHMapWindow data;
SCROLLINFO si;
int yNewPos;
int yDelta;
/* get window data */
data = (PNHMapWindow)GetWindowLong(hWnd, GWL_USERDATA);
switch(LOWORD (wParam))
{
/* User clicked shaft left of the scroll box. */
case SB_PAGEUP:
yNewPos = data->yPos-data->yPageSize;
break;
/* User clicked shaft right of the scroll box. */
case SB_PAGEDOWN:
yNewPos = data->yPos+data->yPageSize;
break;
/* User clicked the left arrow. */
case SB_LINEUP:
yNewPos = data->yPos-1;
break;
/* User clicked the right arrow. */
case SB_LINEDOWN:
yNewPos = data->yPos+1;
break;
/* User dragged the scroll box. */
case SB_THUMBTRACK:
yNewPos = HIWORD(wParam);
break;
default:
yNewPos = data->yPos;
}
yNewPos = max(0, min(ROWNO-data->yPageSize+1, yNewPos));
if( yNewPos == data->yPos ) return;
yDelta = yNewPos - data->yPos;
data->yPos = yNewPos;
ScrollWindowEx (hWnd, 0, -data->yScrTile * yDelta,
(CONST RECT *) NULL, (CONST RECT *) NULL,
(HRGN) NULL, (LPRECT) NULL, SW_INVALIDATE | SW_ERASE);
si.cbSize = sizeof(si);
si.fMask = SIF_POS;
si.nPos = data->yPos;
SetScrollInfo(hWnd, SB_VERT, &si, TRUE);
}
static void
mi_scroll(int dx, int dy)
{
HRGN rgn;
rgn = CreateRectRgn(0, 0, 0, 0);
ScrollWindowEx(g_Wnd, dx, dy, 0, 0, rgn, 0, SW_ERASE);
InvalidateRgn(g_Wnd, rgn, 0);
DeleteObject(rgn);
}
LRESULT CView::OnHScroll(UINT uMsg, WPARAM wParam, LPARAM lParam)
{
UNREFERENCED_PARAMETER(uMsg);
UNREFERENCED_PARAMETER(lParam);
int xNewPos;
switch (LOWORD(wParam))
{
case SB_PAGEUP: // User clicked the scroll bar shaft left of the scroll box.
xNewPos = m_xCurrentScroll - 50;
break;
case SB_PAGEDOWN: // User clicked the scroll bar shaft right of the scroll box.
xNewPos = m_xCurrentScroll + 50;
break;
case SB_LINEUP: // User clicked the left arrow.
xNewPos = m_xCurrentScroll - 5;
break;
case SB_LINEDOWN: // User clicked the right arrow.
xNewPos = m_xCurrentScroll + 5;
break;
case SB_THUMBPOSITION: // User dragged the scroll box.
xNewPos = HIWORD(wParam);
break;
case SB_THUMBTRACK: // User dragging the scroll box.
xNewPos = HIWORD(wParam);
break;
default:
xNewPos = m_xCurrentScroll;
}
// Scroll the window.
xNewPos = MAX(0, xNewPos);
xNewPos = MIN( xNewPos, GetImageRect().Width() - GetClientRect().Width() );
int xDelta = xNewPos - m_xCurrentScroll;
m_xCurrentScroll = xNewPos;
ScrollWindowEx(-xDelta, 0, NULL, NULL, NULL, NULL, SW_INVALIDATE);
// Reset the scroll bar.
SCROLLINFO si;
ZeroMemory(&si, sizeof(SCROLLINFO));
si.cbSize = sizeof(si);
si.fMask = SIF_RANGE | SIF_PAGE | SIF_POS;
si.fMask = SIF_POS;
si.nPos = m_xCurrentScroll;
SetScrollInfo(SB_HORZ, si, TRUE);
return 0L;
}
void TLHScroll (TLWndData* pWD, int code, int pos, HWND hWndBar) {
int pagesize;
int newpos;
int scrollamount;
pagesize = pWD->tlInval.right - pWD->tlInval.left;
newpos = pWD->iHorizontalPos;
switch (code) {
case SB_TOP :
newpos = 0;
break;
case SB_BOTTOM :
newpos = (pWD->iTotalWidth-pagesize);
break;
case SB_PAGELEFT :
newpos -= pagesize;
if (newpos < 0) newpos = 0;
break;
case SB_PAGERIGHT :
newpos += pagesize;
if (newpos > (pWD->iTotalWidth-pagesize))
newpos = (pWD->iTotalWidth-pagesize);
break;
case SB_LINELEFT :
newpos-=3;
if (newpos < 0) newpos = 0;
break;
case SB_LINERIGHT :
newpos+=3;
if (newpos > (pWD->iTotalWidth-pagesize))
newpos = (pWD->iTotalWidth-pagesize);
break;
case SB_THUMBPOSITION :
case SB_THUMBTRACK :
newpos = pos;
break;
default :
return;
}
scrollamount = pWD->iHorizontalPos - newpos;
pWD->iHorizontalPos = newpos;
if (scrollamount) {
ScrollWindowEx (pWD->hWnd, scrollamount, 0, NULL, &(pWD->tlRect),
NULL, NULL, SW_INVALIDATE|SW_SCROLLCHILDREN);
UpdateWindow (pWD->hWnd);
}
}
void cliScrollTo(HWND hwnd, ClcData *dat, int desty, int noSmooth)
{
DWORD startTick, nowTick;
int oldy = dat->yScroll;
RECT clRect, rcInvalidate;
int maxy, previousy;
if (dat->iHotTrack != -1 && dat->yScroll != desty) {
pcli->pfnInvalidateItem(hwnd, dat, dat->iHotTrack);
dat->iHotTrack = -1;
ReleaseCapture();
}
GetClientRect(hwnd, &clRect);
rcInvalidate = clRect;
//maxy = dat->rowHeight*GetGroupContentsCount(&dat->list,2)-clRect.bottom;
maxy = cliGetRowTotalHeight(dat) - clRect.bottom;
if (desty > maxy) desty = maxy;
if (desty < 0) desty = 0;
if (abs(desty - dat->yScroll) < 4) noSmooth = 1;
if (!noSmooth && dat->exStyle&CLS_EX_NOSMOOTHSCROLLING) noSmooth = 1;
previousy = dat->yScroll;
BOOL keyDown = ((GetKeyState(VK_UP)
| GetKeyState(VK_DOWN)
| GetKeyState(VK_LEFT)
| GetKeyState(VK_RIGHT)
| GetKeyState(VK_PRIOR)
| GetKeyState(VK_NEXT)
| GetKeyState(VK_HOME)
| GetKeyState(VK_END)) & 0x8000);
if (!noSmooth && !keyDown)
{
startTick = GetTickCount();
for (;;) {
nowTick = GetTickCount();
if (nowTick >= startTick + dat->scrollTime) break;
dat->yScroll = oldy + (desty - oldy)*(int)(nowTick - startTick) / dat->scrollTime;
if (/*dat->backgroundBmpUse&CLBF_SCROLL || dat->hBmpBackground == NULL && */FALSE)
ScrollWindowEx(hwnd, 0, previousy - dat->yScroll, NULL, NULL, NULL, NULL, SW_INVALIDATE);
else
{
CallService(MS_SKINENG_UPTATEFRAMEIMAGE, (WPARAM)hwnd, (LPARAM)0);
//InvalidateRectZ(hwnd,NULL,FALSE);
}
previousy = dat->yScroll;
SetScrollPos(hwnd, SB_VERT, dat->yScroll, TRUE);
CallService(MS_SKINENG_UPTATEFRAMEIMAGE, (WPARAM)hwnd, (LPARAM)0);
UpdateWindow(hwnd);
}
}
dat->yScroll = desty;
CLUI__cliInvalidateRect(hwnd, NULL, FALSE);
SetScrollPos(hwnd, SB_VERT, dat->yScroll, TRUE);
}
void CDisplayDlg::FullScreen()
{
m_IsFullScreen = true;
MoveWindow(0,0,m_ScreenWidth,m_ScreenHeight);
ScrollWindowEx(GetScrollPos(SB_HORZ),GetScrollPos(SB_VERT),NULL, NULL, NULL, NULL, SW_ERASE|SW_SCROLLCHILDREN);
SetScrollPos(SB_HORZ,0);
SetScrollPos(SB_VERT,0);
ShowScrollBar(SB_HORZ,FALSE);
ShowScrollBar(SB_VERT,FALSE);
}
static void scrollmsg(PluginInstance *This, UINT msg,int code, short int pos)
{
int page;
int dx, dy; // amount of scrolling
int x_orig, y_orig;
if(!This->scrolling) return;
if(!This->lpdib) return;
x_orig=This->xscrollpos;
y_orig=This->yscrollpos;
if(msg==WM_HSCROLL) {
page=This->windowwidth-15;
if(page<SCROLLLINE) page=SCROLLLINE;
switch(code) {
case SB_LINELEFT: This->xscrollpos-=SCROLLLINE; break;
case SB_LINERIGHT: This->xscrollpos+=SCROLLLINE; break;
case SB_PAGELEFT: This->xscrollpos-=page; break;
case SB_PAGERIGHT: This->xscrollpos+=page; break;
case SB_LEFT: This->xscrollpos=0; break;
case SB_RIGHT: This->xscrollpos=This->lpdibinfo->biWidth; break;
case SB_THUMBTRACK: This->xscrollpos=pos; break;
default: return;
}
set_scrollbars(This);
}
else if(msg==WM_VSCROLL) {
page=This->windowheight-15;
if(page<SCROLLLINE) page=SCROLLLINE;
switch(code) {
case SB_LINEUP: This->yscrollpos-=SCROLLLINE; break;
case SB_LINEDOWN: This->yscrollpos+=SCROLLLINE; break;
case SB_PAGEUP: This->yscrollpos-=page; break;
case SB_PAGEDOWN: This->yscrollpos+=page; break;
case SB_TOP: This->yscrollpos=0; break;
case SB_BOTTOM: This->yscrollpos=This->lpdibinfo->biHeight; break;
case SB_THUMBTRACK: This->yscrollpos=pos; break;
default: return;
}
set_scrollbars(This);
}
dx= x_orig - This->xscrollpos;
dy= y_orig - This->yscrollpos;
if(dx || dy) { // if any change
// GetClientRect(This->fhWnd,&cliprect);
ScrollWindowEx(This->fhWnd,dx,dy,NULL,NULL /*&cliprect*/,NULL,NULL,SW_INVALIDATE);
}
}
/**
* @param bIgnoreScrollPos - pass true to disregard any existing scrollbar styles.
*/
void CTextView::ResizeTextView(BOOL bIgnoreScrollPos)
{
TEXTMETRIC tmetr;
GetTextMetrics(&tmetr);
SCROLLINFO sinfo;
RECT rcClient;
GetClientRect(m_hwnd, &rcClient);
ZeroMemory(&sinfo, sizeof(sinfo));
sinfo.cbSize = sizeof(sinfo);
sinfo.fMask = SIF_POS | SIF_RANGE;
GetScrollInfo(m_hwnd, SB_HORZ, &sinfo);
int nOldHorPos = ! bIgnoreScrollPos ? sinfo.nPos : 0;
sinfo.fMask = SIF_POS | SIF_PAGE | SIF_RANGE;
sinfo.nMin = 0;
if (sinfo.nMax < m_nMaxLineWidth - 1)
sinfo.nMax = m_nMaxLineWidth - 1;
sinfo.nPage = rcClient.right;
ValidateScrollInfo(&sinfo);
int nHorOffset = nOldHorPos - sinfo.nPos;
SetScrollInfo(m_hwnd, SB_HORZ, &sinfo, TRUE);
GetClientRect(m_hwnd, &rcClient);
ZeroMemory(&sinfo, sizeof(sinfo));
sinfo.cbSize = sizeof(sinfo);
int nOldVertPos;
if (! bIgnoreScrollPos)
{
sinfo.fMask = SIF_POS;
GetScrollInfo(m_hwnd, SB_VERT, &sinfo);
nOldVertPos = sinfo.nPos;
}
else
nOldVertPos = sinfo.nPos = 0;
int nNumLines = m_arrLines.GetCount();
sinfo.fMask = SIF_POS | SIF_PAGE | SIF_RANGE;
sinfo.nMin = 0;
sinfo.nMax = nNumLines > 0 ? nNumLines - 1 : 0;
sinfo.nPage = rcClient.bottom / tmetr.tmHeight;
ValidateScrollInfo(&sinfo);
int nVertOffset = (nOldVertPos - sinfo.nPos) * tmetr.tmHeight;
SetScrollInfo(m_hwnd, SB_VERT, &sinfo, TRUE);
GetClientRect(m_hwnd, &rcClient);
// Explicitly clip output to override style CS_PARENTDC.
ScrollWindowEx(m_hwnd, nHorOffset, nVertOffset, &rcClient, &rcClient, NULL, NULL, SW_INVALIDATE);
UpdateWindow(m_hwnd);
}
void scrollVertical(gdioutput *gdi, int yInc, HWND hWnd) {
SCROLLINFO si;
si.cbSize=sizeof(si);
si.fMask=SIF_ALL;
GetScrollInfo(hWnd, SB_VERT, &si);
if (si.nPage==0)
yInc = 0;
int yPos=gdi->GetOffsetY();
int a=si.nMax-signed(si.nPage-1) - yPos;
if ( (yInc = max( -yPos, min(yInc, a)))!=0 ) {
yPos += yInc;
RECT ScrollArea, ClipArea;
GetClientRect(hWnd, &ScrollArea);
ClipArea=ScrollArea;
ScrollArea.top=-gdi->getHeight()-100;
ScrollArea.bottom+=gdi->getHeight();
ScrollArea.right=gdi->getWidth()-gdi->GetOffsetX()+15;
ScrollArea.left = -2000;
gdi->SetOffsetY(yPos);
bool inv = true; //Inv = false works only for lists etc. where there are not controls in the scroll area.
RECT invalidArea;
ScrollWindowEx (hWnd, 0, -yInc,
&ScrollArea, &ClipArea,
(HRGN) NULL, &invalidArea, SW_SCROLLCHILDREN | (inv ? SW_INVALIDATE : 0));
// gdi->UpdateObjectPositions();
si.cbSize = sizeof(si);
si.fMask = SIF_POS;
si.nPos = yPos;
SetScrollInfo(hWnd, SB_VERT, &si, TRUE);
if (inv)
UpdateWindow(hWnd);
else {
HDC hDC = GetDC(hWnd);
IntersectClipRect(hDC, invalidArea.left, invalidArea.top, invalidArea.right, invalidArea.bottom);
gdi->draw(hDC, ScrollArea, invalidArea);
ReleaseDC(hWnd, hDC);
}
}
}
void FormMain_OnScroll(HWND hwnd, HWND hCtrl, UINT code, int pos)
{
SCROLLINFO si;
si.cbSize = sizeof(si);
si.fMask = SIF_POS;
int yNewPos; // new position
switch (code)
{
// User clicked the scroll bar shaft above the scroll box.
case SB_PAGEUP:
yNewPos = yCurrentScroll - 50;
break;
// User clicked the scroll bar shaft below the scroll box.
case SB_PAGEDOWN:
yNewPos = yCurrentScroll + 50;
break;
// User clicked the top arrow.
case SB_LINEUP:
yNewPos = yCurrentScroll - 5;
break;
// User clicked the bottom arrow.
case SB_LINEDOWN:
yNewPos = yCurrentScroll + 5;
break;
// User dragged the scroll box.
case SB_THUMBPOSITION:
yNewPos = pos;
break;
default:
yNewPos = yCurrentScroll;
}
si.nPos = yNewPos;
ScrollWindowEx(hwnd, 0, -50,
NULL, NULL, NULL, NULL, SW_INVALIDATE);
UpdateWindow(hwnd);
SetScrollInfo(hwnd, SB_VERT, &si, TRUE);
yCurrentScroll = yNewPos;
}
static LRESULT
Display_OnVScroll(HWND hwnd, WPARAM wParam)
{
SCROLLINFO si;
int nPos;
si.cbSize = sizeof(si);
si.fMask = SIF_POS | SIF_RANGE | SIF_TRACKPOS;
GetScrollInfo(hwnd, SB_VERT, &si);
switch(LOWORD(wParam))
{
case SB_PAGEUP:
nPos = si.nPos - 50;
break;
case SB_PAGEDOWN:
nPos = si.nPos + 50;
break;
case SB_LINEUP:
nPos = si.nPos - 10;
break;
case SB_LINEDOWN:
nPos = si.nPos + 10;
break;
case SB_THUMBTRACK:
case SB_THUMBPOSITION:
nPos = si.nTrackPos;
break;
default:
nPos = si.nPos;
}
nPos = max(nPos, si.nMin);
nPos = min(nPos, si.nMax);
if (nPos != si.nPos)
{
ScrollWindowEx(hwnd, 0, si.nPos - nPos, NULL, NULL, NULL, NULL, SW_INVALIDATE);
si.cbSize = sizeof(si);
si.nPos = nPos;
si.fMask = SIF_POS;
SetScrollInfo(hwnd, SB_VERT, &si, TRUE);
UpdateWindow(hwnd);
}
return 0;
}
void HandleMouseScrollEvents(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam, LPSCROLLSTATE state)
{
SCROLLINFO si;
int Delta;
int NewPos;
si.cbSize = sizeof(si);
si.fMask = SIF_PAGE;
GetScrollInfo(hWnd, SB_VERT, &si);
if (Globals.uLinesToScroll == WHEEL_PAGESCROLL)
{
NewPos = si.nPage;
}
else
{
NewPos = Globals.uLinesToScroll * 5;
}
if (GET_WHEEL_DELTA_WPARAM(wParam) > 0)
{
NewPos = state->CurrentY - NewPos;
}
else
{
NewPos = state->CurrentY + NewPos;
}
NewPos = min(state->MaxY, max(0, NewPos));
if (NewPos == state->CurrentY)
{
return;
}
Delta = NewPos - state->CurrentY;
state->CurrentY = NewPos;
ScrollWindowEx(hWnd, 0, -Delta, NULL, NULL, NULL, NULL, SW_INVALIDATE);
si.cbSize = sizeof(si);
si.fMask = SIF_POS;
si.nPos = state->CurrentY;
SetScrollInfo(hWnd, SB_VERT, &si, TRUE);
}
void CDisplayDlg::OnVScroll(UINT nSBCode, UINT nPos, CScrollBar* pScrollBar)
{
int h = 10;
SCROLLINFO si;
si.cbSize = sizeof(SCROLLINFO);
si.fMask = SIF_ALL;
GetScrollInfo(SB_VERT, &si);
int nOldPos = si.nPos;
switch (nSBCode)
{
case SB_LINEDOWN:
si.nPos = min(si.nPos + h, si.nMax);
break;
case SB_PAGEDOWN:
si.nPos = min(si.nPos + h * 10, si.nMax);
break;
case SB_LINEUP:
si.nPos = max(si.nPos - h, si.nMin);
break;
case SB_PAGEUP:
si.nPos = max(si.nPos - h * 10, si.nMin);
break;
case SB_THUMBPOSITION:
case SB_THUMBTRACK:
si.nPos = si.nTrackPos;
break;
case SB_TOP:
si.nPos = si.nMin;
break;
case SB_BOTTOM:
si.nPos = si.nMax;
break;
}
SetScrollInfo(SB_VERT, &si);
GetScrollInfo(SB_VERT, &si); //重新获取新的位置
ScrollWindowEx(0, nOldPos - si.nPos,NULL, NULL, NULL, NULL, SW_ERASE|SW_SCROLLCHILDREN);
UpdateWindow();
RepositionBars(AFX_IDW_CONTROLBAR_FIRST,AFX_IDW_CONTROLBAR_LAST,0);
//m_ScreenDisplayer->ReflashDC();
CDialog::OnVScroll(nSBCode, nPos, pScrollBar);
}
void ME_Scroll(ME_TextEditor *editor, int cx, int cy)
{
SCROLLINFO si;
HWND hWnd = editor->hWnd;
si.cbSize = sizeof(SCROLLINFO);
si.fMask = SIF_POS;
GetScrollInfo(hWnd, SB_VERT, &si);
si.nPos = editor->nScrollPosY -= cy;
SetScrollInfo(hWnd, SB_VERT, &si, TRUE);
if (editor->bRedraw)
{
if (abs(cy) > editor->sizeWindow.cy)
InvalidateRect(editor->hWnd, NULL, TRUE);
else
ScrollWindowEx(hWnd, cx, cy, NULL, NULL, NULL, NULL, SW_ERASE|SW_INVALIDATE);
}
}
void HeroChart::doScroll(int pos)
{
SCROLLINFO si;
memset(&si, 0, sizeof si);
si.cbSize = sizeof si;
si.fMask = SIF_RANGE | SIF_PAGE;
GetScrollInfo(hWnd, SB_VERT, &si);
if (pos < si.nMin) pos = si.nMin;
if (pos > si.nMax - si.nPage + 1) pos = si.nMax - si.nPage + 1;
si.fMask = SIF_POS;
if (pos != scrollPos)
{
si.nPos = pos;
SetScrollInfo(hWnd, SB_VERT, &si, TRUE);
int delta = scrollPos - pos;
scrollPos = pos;
ScrollWindowEx(hWnd, 0, delta, NULL, NULL, NULL, NULL, SW_ERASE | SW_INVALIDATE);
}
}
int
TkScrollWindow(
Tk_Window tkwin, /* The window to be scrolled. */
GC gc, /* GC for window to be scrolled. */
int x, int y, int width, int height,
/* Position rectangle to be scrolled. */
int dx, int dy, /* Distance rectangle should be moved. */
TkRegion damageRgn) /* Region to accumulate damage in. */
{
HWND hwnd = TkWinGetHWND(Tk_WindowId(tkwin));
RECT scrollRect;
scrollRect.left = x;
scrollRect.top = y;
scrollRect.right = x + width;
scrollRect.bottom = y + height;
return (ScrollWindowEx(hwnd, dx, dy, &scrollRect, NULL, (HRGN) damageRgn,
NULL, 0) == NULLREGION) ? 0 : 1;
}
LRESULT CDataView::OnVScroll(int code, short pos, HWND hwndCtl)
{
SCROLLINFO si;
si.cbSize = sizeof(si);
si.fMask = SIF_POS|SIF_PAGE;
GetScrollInfo(SB_VERT, &si);
int newPos = -1;
switch (code) {
case SB_LEFT:
newPos = 0;
break;
case SB_RIGHT:
newPos = si.nMax;
break;
case SB_LINELEFT:
newPos = si.nPos - 1;
break;
case SB_LINERIGHT:
newPos = si.nPos + 1;
break;
case SB_PAGELEFT:
newPos = si.nPos - si.nPage;
break;
case SB_PAGERIGHT:
newPos = si.nPos + si.nPage;
break;
case SB_THUMBPOSITION:
case SB_THUMBTRACK:
newPos = pos;
break;
}
if (newPos != -1) {
if (m_scale == 1.0) {
ScrollWindowEx(0, si.nPos - newPos, 0, 0, 0, 0, SW_INVALIDATE);
}else {
Invalidate();
}
si.nPos = newPos;
SetScrollInfo(SB_VERT, &si);
}
return 0;
}
static ELVBOOL gwscroll (GUIWIN *gw, int qty, ELVBOOL notlast)
{
GUI_WINDOW *gwp = (GUI_WINDOW *)gw;
int rows = gwp->numrows - gwp->currow;
RECT rect;
#ifdef FEATURE_IMAGE
/* if we're using background images, then don't scroll because it would
* shred the background image.
*/
if ((normalimage || idleimage)
&& (!o_scrollbgimage(gwp) || gwp->currow != 0 || !notlast))
return ElvFalse;
/* adjust the number of scrolled pixels, for the background image */
gwp->scrolled -= qty * gwp->ycsize;
#endif
/* adjust number of rows */
if (notlast)
rows--;
/* compute update RECT */
rect.top = gwp->currow * gwp->ycsize;
rect.left = 0;
rect.bottom = rect.top + rows * gwp->ycsize;
rect.right = gwp->xsize;
/* hide caret */
if (gwp->cursor_type != CURSOR_NONE && gwp->clientHWnd == GetFocus())
{
HideCaret (gwp->clientHWnd);
gwp->cursor_type = CURSOR_NONE;
}
/* scroll window */
ScrollWindowEx (gwp->clientHWnd, 0, qty * gwp->ycsize, &rect,
&rect, NULL, NULL, SW_INVALIDATE);
return ElvTrue;
}