void ZoomToSelection(WindowInfo *win, float factor, bool scrollToFit, bool relative)
{
if (!win->IsDocLoaded())
return;
PointI pt;
bool zoomToPt = win->showSelection && win->selectionOnPage;
// either scroll towards the center of the current selection
if (zoomToPt) {
RectI selRect;
for (size_t i = 0; i < win->selectionOnPage->Count(); i++) {
selRect = selRect.Union(win->selectionOnPage->At(i).GetRect(win->dm));
}
ClientRect rc(win->hwndCanvas);
pt.x = 2 * selRect.x + selRect.dx - rc.dx / 2;
pt.y = 2 * selRect.y + selRect.dy - rc.dy / 2;
pt.x = limitValue(pt.x, selRect.x, selRect.x + selRect.dx);
pt.y = limitValue(pt.y, selRect.y, selRect.y + selRect.dy);
int pageNo = win->dm->GetPageNoByPoint(pt);
if (!win->dm->ValidPageNo(pageNo) || !win->dm->PageVisible(pageNo))
zoomToPt = false;
}
// or towards the top-left-most part of the first visible page
else {
int page = win->dm->FirstVisiblePageNo();
PageInfo *pageInfo = win->dm->GetPageInfo(page);
if (pageInfo) {
RectI visible = pageInfo->pageOnScreen.Intersect(win->canvasRc);
pt = visible.TL();
int pageNo = win->dm->GetPageNoByPoint(pt);
if (!visible.IsEmpty() && win->dm->ValidPageNo(pageNo) && win->dm->PageVisible(pageNo))
zoomToPt = true;
}
}
if (!relative && (ZOOM_FIT_PAGE == factor || ZOOM_FIT_CONTENT == factor) && scrollToFit)
zoomToPt = false;
if (relative)
win->dm->ZoomBy(factor, zoomToPt ? &pt : NULL);
else
win->dm->ZoomTo(factor, zoomToPt ? &pt : NULL);
UpdateToolbarState(win);
}
// Show the result of a PDF forward-search synchronization (initiated by a DDE command)
void ShowForwardSearchResult(WindowInfo *win, const WCHAR *fileName, UINT line, UINT col, UINT ret, UINT page, Vec<RectI> &rects)
{
win->fwdSearchMark.rects.Reset();
const PageInfo *pi = win->dm->GetPageInfo(page);
if ((ret == PDFSYNCERR_SUCCESS) && (rects.Count() > 0) && (NULL != pi)) {
// remember the position of the search result for drawing the rect later on
win->fwdSearchMark.rects = rects;
win->fwdSearchMark.page = page;
win->fwdSearchMark.show = true;
win->fwdSearchMark.hideStep = 0;
if (!gUserPrefs->forwardSearch.highlightPermanent)
SetTimer(win->hwndCanvas, HIDE_FWDSRCHMARK_TIMER_ID, HIDE_FWDSRCHMARK_DELAY_IN_MS, NULL);
// Scroll to show the overall highlighted zone
int pageNo = page;
RectI overallrc = rects.At(0);
for (size_t i = 1; i < rects.Count(); i++)
overallrc = overallrc.Union(rects.At(i));
TextSel res = { 1, &pageNo, &overallrc };
if (!win->dm->PageVisible(page))
win->dm->GoToPage(page, 0, true);
if (!win->dm->ShowResultRectToScreen(&res))
win->RepaintAsync();
if (IsIconic(win->hwndFrame))
ShowWindowAsync(win->hwndFrame, SW_RESTORE);
return;
}
ScopedMem<WCHAR> buf;
if (ret == PDFSYNCERR_SYNCFILE_NOTFOUND)
ShowNotification(win, _TR("No synchronization file found"));
else if (ret == PDFSYNCERR_SYNCFILE_CANNOT_BE_OPENED)
ShowNotification(win, _TR("Synchronization file cannot be opened"));
else if (ret == PDFSYNCERR_INVALID_PAGE_NUMBER)
buf.Set(str::Format(_TR("Page number %u inexistant"), page));
else if (ret == PDFSYNCERR_NO_SYNC_AT_LOCATION)
ShowNotification(win, _TR("No synchronization info at this position"));
else if (ret == PDFSYNCERR_UNKNOWN_SOURCEFILE)
buf.Set(str::Format(_TR("Unknown source file (%s)"), fileName));
else if (ret == PDFSYNCERR_NORECORD_IN_SOURCEFILE)
buf.Set(str::Format(_TR("Source file %s has no synchronization point"), fileName));
else if (ret == PDFSYNCERR_NORECORD_FOR_THATLINE)
buf.Set(str::Format(_TR("No result found around line %u in file %s"), line, fileName));
else if (ret == PDFSYNCERR_NOSYNCPOINT_FOR_LINERECORD)
buf.Set(str::Format(_TR("No result found around line %u in file %s"), line, fileName));
if (buf)
ShowNotification(win, buf);
}
void ZoomToSelection(WindowInfo* win, float factor, bool scrollToFit, bool relative) {
PointI pt;
bool zoomToPt = false;
if (win->AsFixed()) {
DisplayModel* dm = win->AsFixed();
// when not zooming to fit (which contradicts zooming to a specific point), ...
if (!relative && (ZOOM_FIT_PAGE == factor || ZOOM_FIT_CONTENT == factor) && scrollToFit) {
zoomToPt = false;
}
// either scroll towards the center of the current selection (if there is any) ...
else if (win->showSelection && win->currentTab->selectionOnPage) {
RectI selRect;
for (SelectionOnPage& sel : *win->currentTab->selectionOnPage) {
selRect = selRect.Union(sel.GetRect(dm));
}
ClientRect rc(win->hwndCanvas);
pt.x = 2 * selRect.x + selRect.dx - rc.dx / 2;
pt.y = 2 * selRect.y + selRect.dy - rc.dy / 2;
pt.x = limitValue(pt.x, selRect.x, selRect.x + selRect.dx);
pt.y = limitValue(pt.y, selRect.y, selRect.y + selRect.dy);
int pageNo = dm->GetPageNoByPoint(pt);
zoomToPt = dm->ValidPageNo(pageNo) && dm->PageVisible(pageNo);
}
// or towards the top-left-most part of the first visible page
else {
int page = dm->FirstVisiblePageNo();
PageInfo* pageInfo = dm->GetPageInfo(page);
if (pageInfo) {
RectI visible = pageInfo->pageOnScreen.Intersect(win->canvasRc);
pt = visible.TL();
int pageNo = dm->GetPageNoByPoint(pt);
zoomToPt = !visible.IsEmpty() && dm->ValidPageNo(pageNo) && dm->PageVisible(pageNo);
}
}
}
win->ctrl->SetZoomVirtual(factor * (relative ? win->ctrl->GetZoomVirtual(true) : 1), zoomToPt ? &pt : nullptr);
UpdateToolbarState(win);
}
static BOOL CALLBACK GetMonitorRectProc(HMONITOR hMonitor, HDC hdc, LPRECT rcMonitor, LPARAM data)
{
RectI *rcAll = (RectI *)data;
*rcAll = rcAll->Union(RectI::FromRECT(*rcMonitor));
return TRUE;
}
