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window-to-window corner snapping!

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This commit is contained in:
Dana Jansens 2002-06-01 23:48:21 +00:00
parent 39d598e556
commit f0c2fa18be
1 changed files with 40 additions and 4 deletions
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44
src/Window.cc
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@ -2537,25 +2537,61 @@ void BlackboxWindow::motionNotifyEvent(XMotionEvent *me) {
dtop = std::abs(wbottom - winrect.top()), dtop = std::abs(wbottom - winrect.top()),
dbottom = std::abs(wtop - winrect.bottom()); dbottom = std::abs(wtop - winrect.bottom());
// snap left? // snap left of other window?
if (dleft < snap_distance && dleft <= dright) { if (dleft < snap_distance && dleft <= dright) {
dx = winrect.left() - frame.rect.width(); dx = winrect.left() - frame.rect.width();
// try corner-snap to its other sides
dtop = std::abs(wtop - winrect.top());
dbottom = std::abs(wbottom - winrect.bottom());
if (dtop < snap_distance && dtop <= dbottom)
dy = winrect.top();
else if (dbottom < snap_distance)
dy = winrect.bottom() - frame.rect.height();
continue; continue;
} }
// snap right? // snap right of other window?
else if (dright < snap_distance) { else if (dright < snap_distance) {
dx = winrect.right() + 1; dx = winrect.right() + 1;
// try corner-snap to its other sides
dtop = std::abs(wtop - winrect.top());
dbottom = std::abs(wbottom - winrect.bottom());
if (dtop < snap_distance && dtop <= dbottom)
dy = winrect.top();
else if (dbottom < snap_distance)
dy = winrect.bottom() - frame.rect.height();
continue; continue;
} }
// snap top? // snap top of other window?
if (dtop < snap_distance && dtop <= dbottom) { if (dtop < snap_distance && dtop <= dbottom) {
dy = winrect.top() - frame.rect.height(); dy = winrect.top() - frame.rect.height();
// try corner-snap to its other sides
dleft = std::abs(wleft - winrect.left());
dright = std::abs(wright - winrect.right());
if (dleft < snap_distance && dleft <= dright)
dx = winrect.left();
else if (dright < snap_distance)
dx = winrect.right() - frame.rect.width();
continue; continue;
} }
// snap bottom? // snap bottom of other window?
else if (dbottom < snap_distance) { else if (dbottom < snap_distance) {
dy = winrect.bottom() + 1; dy = winrect.bottom() + 1;
// try corner-snap to its other sides
dleft = std::abs(wleft - winrect.left());
dright = std::abs(wright - winrect.right());
if (dleft < snap_distance && dleft <= dright)
dx = winrect.left();
else if (dright < snap_distance)
dx = winrect.right() - frame.rect.width();
continue; continue;
} }
} }