}
}
- const int snap_distance = screen->getEdgeSnapThreshold();
+ // how much resistance to edges to provide
+ const int resistance_size = screen->getEdgeSnapThreshold();
- if (snap_distance) {
+ if (resistance_size > 0) {
+ RectList rectlist;
+
+ // the amount of space away from the edge to provide resistance
+ const int resistance_offset = screen->getEdgeSnapThreshold();
+
// window corners
const int wleft = dx,
wright = dx + frame.rect.width() - 1,
Workspace *w = screen->getWorkspace(getWorkspaceNumber());
assert(w);
- RectList winsnaplist;
-
- // try snap to another window
-
- // add windows on the workspace to the snap list
+ // add windows on the workspace to the rect list
const BlackboxWindowList& stack_list = w->getStackingList();
BlackboxWindowList::const_iterator st_it, st_end = stack_list.end();
for (st_it = stack_list.begin(); st_it != st_end; ++st_it)
- winsnaplist.push_back( (*st_it)->frameRect() );
+ rectlist.push_back( (*st_it)->frameRect() );
- // add the toolbar and the slit to the snap list.
+ // add the toolbar and the slit to the rect list.
// (only if they are not hidden)
Toolbar *tbar = screen->getToolbar();
Slit *slit = screen->getSlit();
if (! (screen->doHideToolbar() || tbar->isHidden())) {
tbar_rect.setRect(tbar->getX(), tbar->getY(), tbar->getWidth() + bwidth,
tbar->getHeight() + bwidth);
- winsnaplist.push_back(tbar_rect);
+ rectlist.push_back(tbar_rect);
}
if (! slit->isHidden()) {
slit_rect.setRect(slit->getX(), slit->getY(), slit->getWidth() + bwidth,
slit->getHeight() + bwidth);
- winsnaplist.push_back(slit_rect);
+ rectlist.push_back(slit_rect);
}
- RectList::const_iterator it, end = winsnaplist.end();
- for (it = winsnaplist.begin(); it != end; ++it) {
+ RectList::const_iterator it, end = rectlist.end();
+ for (it = rectlist.begin(); it != end; ++it) {
bool snapped = False;
const Rect &winrect = *it;
- int dleft = abs(wright - winrect.left()),
- dright = abs(wleft - winrect.right()),
- dtop = abs(wbottom - winrect.top()),
- dbottom = abs(wtop - winrect.bottom());
+ int dleft = wright - winrect.left(),
+ dright = wleft - winrect.right(),
+ dtop = wbottom - winrect.top(),
+ dbottom = wtop - winrect.bottom();
+ // if the windows are in the same plane vertically
if (wtop >= (signed)(winrect.y() - frame.rect.height() + 1) &&
wtop < (signed)(winrect.y() + winrect.height() - 1)) {
// snap left of other window?
- if (dleft < snap_distance && dleft <= dright) {
+ if (dleft < resistance_size && dleft > dright) {
dx = winrect.left() - frame.rect.width();
snapped = True;
}
// snap right of other window?
- else if (dright < snap_distance) {
+ else if (dright < resistance_size) {
dx = winrect.right() + 1;
snapped = True;
}
// try corner-snap to its other sides
dtop = abs(wtop - winrect.top());
dbottom = abs(wbottom - winrect.bottom());
- if (dtop < snap_distance && dtop <= dbottom)
+ if (dtop < resistance_size && dtop <= dbottom)
dy = winrect.top();
- else if (dbottom < snap_distance)
+ else if (dbottom < resistance_size)
dy = winrect.bottom() - frame.rect.height() + 1;
}
}
}
+ // if the windows are on the same plane horizontally
if (wleft >= (signed)(winrect.x() - frame.rect.width() + 1) &&
wleft < (signed)(winrect.x() + winrect.width() - 1)) {
// snap top of other window?
- if (dtop < snap_distance && dtop <= dbottom) {
+ if (dtop < resistance_size && dtop > dbottom) {
dy = winrect.top() - frame.rect.height();
snapped = True;
}
// snap bottom of other window?
- else if (dbottom < snap_distance) {
+ else if (dbottom < resistance_size) {
dy = winrect.bottom() + 1;
snapped = True;
}
// try corner-snap to its other sides
dleft = abs(wleft - winrect.left());
dright = abs(wright - winrect.right());
- if (dleft < snap_distance && dleft <= dright)
+ if (dleft < resistance_size && dleft <= dright)
dx = winrect.left();
- else if (dright < snap_distance)
+ else if (dright < resistance_size)
dx = winrect.right() - frame.rect.width() + 1;
}
}
}
- RectList snaplist; // the list of rects we will try to snap to
-
// snap to the screen edges (and screen boundaries for xinerama)
+ rectlist.clear();
+
#ifdef XINERAMA
if (screen->isXineramaActive() && blackbox->doXineramaSnapping()) {
- snaplist.insert(snaplist.begin(),
+ rectlist.insert(rectlist.begin(),
screen->getXineramaAreas().begin(),
screen->getXineramaAreas().end());
} else
#endif // XINERAMA
- snaplist.push_back(screen->getRect());
+ rectlist.push_back(screen->getRect());
- RectList::const_iterator it, end = snaplist.end();
- for (it = snaplist.begin(); it != end; ++it) {
+ RectList::const_iterator it, end = rectlist.end();
+ for (it = rectlist.begin(); it != end; ++it) {
const Rect &srect = *it;
// if we're not in the rectangle then don't snap to it.
frame.rect.height())))
continue;
- int dleft = abs(wleft - srect.left()),
- dright = abs(wright - srect.right()),
- dtop = abs(wtop - srect.top()),
- dbottom = abs(wbottom - srect.bottom());
+ int dleft = wleft - srect.left(),
+ dright = wright - srect.right(),
+ dtop = wtop - srect.top(),
+ dbottom = wbottom - srect.bottom();
// snap left?
- if (dleft < snap_distance && dleft <= dright)
+ if (dleft < resistance_size && dleft > dright)
dx = srect.left();
// snap right?
- else if (dright < snap_distance)
+ else if (dright < resistance_size)
dx = srect.right() - frame.rect.width() + 1;
// snap top?
- if (dtop < snap_distance && dtop <= dbottom)
+ if (dtop < resistance_size && dtop > dbottom)
dy = srect.top();
// snap bottom?
- else if (dbottom < snap_distance)
+ else if (dbottom < resistance_size)
dy = srect.bottom() - frame.rect.height() + 1;
}
}