dx -= frame.border_w;
dy -= frame.border_w;
- if (screen->doWorkspaceWarping()) {
- // workspace warping
- bool warp = False;
- unsigned int dest = screen->getCurrentWorkspaceID();
- if (x_root <= 0) {
- warp = True;
+ if (screen->doWorkspaceWarping())
+ if (doWorkspaceWarping(x_root, y_root, dx, dy))
+ return;
- if (dest > 0) dest--;
- else dest = screen->getNumberOfWorkspaces() - 1;
+ doWindowSnapping(dx, dy);
- } else if (x_root >= screen->getRect().right()) {
- warp = True;
+ if (screen->doOpaqueMove()) {
+ configure(dx, dy, frame.rect.width(), frame.rect.height());
+ } else {
+ XDrawRectangle(blackbox->getXDisplay(), screen->getRootWindow(),
+ screen->getOpGC(),
+ frame.changing.x(),
+ frame.changing.y(),
+ frame.changing.width() - 1,
+ frame.changing.height() - 1);
- if (dest < screen->getNumberOfWorkspaces() - 1) dest++;
- else dest = 0;
- }
- if (warp) {
- endMove();
- bool focus = flags.focused; // had focus while moving?
- if (! flags.stuck)
- screen->reassociateWindow(this, dest, False);
- screen->changeWorkspaceID(dest);
- if (focus)
- setInputFocus();
+ frame.changing.setPos(dx, dy);
- /*
- If the XWarpPointer is done after the configure, we can end up
- grabbing another window, so made sure you do it first.
- */
- int dest_x;
- if (x_root <= 0) {
- dest_x = screen->getRect().right() - 1;
- XWarpPointer(blackbox->getXDisplay(), None,
- screen->getRootWindow(), 0, 0, 0, 0,
- dest_x, y_root);
-
- configure(dx + (screen->getRect().width() - 1), dy,
- frame.rect.width(), frame.rect.height());
- } else {
- dest_x = 0;
- XWarpPointer(blackbox->getXDisplay(), None,
- screen->getRootWindow(), 0, 0, 0, 0,
- dest_x, y_root);
+ XDrawRectangle(blackbox->getXDisplay(), screen->getRootWindow(),
+ screen->getOpGC(),
+ frame.changing.x(),
+ frame.changing.y(),
+ frame.changing.width() - 1,
+ frame.changing.height() - 1);
+ }
- configure(dx - (screen->getRect().width() - 1), dy,
- frame.rect.width(), frame.rect.height());
- }
+ screen->showPosition(dx, dy);
+}
- beginMove(dest_x, y_root);
- return;
- }
+
+bool BlackboxWindow::doWorkspaceWarping(int x_root, int y_root,
+ int dx, int dy) {
+ // workspace warping
+ bool warp = False;
+ unsigned int dest = screen->getCurrentWorkspaceID();
+ if (x_root <= 0) {
+ warp = True;
+
+ if (dest > 0) dest--;
+ else dest = screen->getNumberOfWorkspaces() - 1;
+
+ } else if (x_root >= screen->getRect().right()) {
+ warp = True;
+
+ if (dest < screen->getNumberOfWorkspaces() - 1) dest++;
+ else dest = 0;
}
+ if (! warp)
+ return false;
- const int snap_distance = screen->getEdgeSnapThreshold();
+ endMove();
+ bool focus = flags.focused; // had focus while moving?
+ if (! flags.stuck)
+ screen->reassociateWindow(this, dest, False);
+ screen->changeWorkspaceID(dest);
+ if (focus)
+ setInputFocus();
- if (snap_distance) {
- // window corners
- const int wleft = dx,
- wright = dx + frame.rect.width() - 1,
- wtop = dy,
- wbottom = dy + frame.rect.height() - 1;
+ /*
+ If the XWarpPointer is done after the configure, we can end up
+ grabbing another window, so made sure you do it first.
+ */
+ int dest_x;
+ if (x_root <= 0) {
+ dest_x = screen->getRect().right() - 1;
+ XWarpPointer(blackbox->getXDisplay(), None,
+ screen->getRootWindow(), 0, 0, 0, 0,
+ dest_x, y_root);
+
+ configure(dx + (screen->getRect().width() - 1), dy,
+ frame.rect.width(), frame.rect.height());
+ } else {
+ dest_x = 0;
+ XWarpPointer(blackbox->getXDisplay(), None,
+ screen->getRootWindow(), 0, 0, 0, 0,
+ dest_x, y_root);
- if (screen->getWindowToWindowSnap()) {
- Workspace *w = screen->getWorkspace(getWorkspaceNumber());
- assert(w);
+ configure(dx - (screen->getRect().width() - 1), dy,
+ frame.rect.width(), frame.rect.height());
+ }
+
+ beginMove(dest_x, y_root);
+ return true;
+}
- RectList winsnaplist;
- // try snap to another window
+void BlackboxWindow::doWindowSnapping(int &dx, int &dy) {
+ // how much resistance to edges to provide
+ const int resistance_size = screen->getResistanceSize();
- // add windows on the workspace to the snap 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() );
+ // how far away to snap
+ const int snap_distance = screen->getSnapThreshold();
- // add the toolbar and the slit to the snap list.
- // (only if they are not hidden)
- Toolbar *tbar = screen->getToolbar();
- Slit *slit = screen->getSlit();
- Rect tbar_rect, slit_rect;
- unsigned int bwidth = screen->getBorderWidth() * 2;
+ // how to snap windows
+ const int snap_to_windows = screen->getWindowToWindowSnap();
+ const int snap_to_edges = screen->getWindowToEdgeSnap();
+ // the amount of space away from the edge to provide resistance/snap
+ const int snap_offset = screen->getSnapOffset();
- if (! (screen->doHideToolbar() || tbar->isHidden())) {
- tbar_rect.setRect(tbar->getX(), tbar->getY(), tbar->getWidth() + bwidth,
- tbar->getHeight() + bwidth);
- winsnaplist.push_back(tbar_rect);
- }
+ // find the geomeetery where the moving window currently is
+ const Rect &moving = screen->doOpaqueMove() ? frame.rect : frame.changing;
- if (! slit->isHidden()) {
- slit_rect.setRect(slit->getX(), slit->getY(), slit->getWidth() + bwidth,
- slit->getHeight() + bwidth);
- winsnaplist.push_back(slit_rect);
- }
+ // window corners
+ const int wleft = dx,
+ wright = dx + frame.rect.width() - 1,
+ wtop = dy,
+ wbottom = dy + frame.rect.height() - 1;
- RectList::const_iterator it, end = winsnaplist.end();
- for (it = winsnaplist.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());
+ if (snap_to_windows) {
+ RectList rectlist;
- if (wtop >= (signed)(winrect.y() - frame.rect.height() + 1) &&
- wtop < (signed)(winrect.y() + winrect.height() - 1)) {
+ Workspace *w = screen->getWorkspace(getWorkspaceNumber());
+ assert(w);
+
+ // 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)
+ rectlist.push_back( (*st_it)->frameRect() );
+
+ // add the toolbar and the slit to the rect list.
+ // (only if they are not hidden)
+ Toolbar *tbar = screen->getToolbar();
+ Slit *slit = screen->getSlit();
+ Rect tbar_rect, slit_rect;
+ unsigned int bwidth = screen->getBorderWidth() * 2;
+
+ if (! (screen->doHideToolbar() || tbar->isHidden())) {
+ tbar_rect.setRect(tbar->getX(), tbar->getY(), tbar->getWidth() + bwidth,
+ tbar->getHeight() + bwidth);
+ rectlist.push_back(tbar_rect);
+ }
+
+ if (! slit->isHidden()) {
+ slit_rect.setRect(slit->getX(), slit->getY(), slit->getWidth() + bwidth,
+ slit->getHeight() + bwidth);
+ rectlist.push_back(slit_rect);
+ }
+
+ RectList::const_iterator it, end = rectlist.end();
+ for (it = rectlist.begin(); it != end; ++it) {
+ bool snapped = False;
+ const Rect &winrect = *it;
+ Rect offsetrect;
+ offsetrect.setCoords(winrect.left() - snap_offset,
+ winrect.top() - snap_offset,
+ winrect.right() + snap_offset,
+ winrect.bottom() + snap_offset);
+
+ if (snap_to_windows == BScreen::WindowResistance)
+ // if the window is already over top of this snap target, then
+ // resistance is futile, so just ignore it
+ if (winrect.intersects(moving))
+ continue;
+
+ int dleft, dright, dtop, dbottom;
+
+ // 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)) {
+
+ if (snap_to_windows == BScreen::WindowResistance) {
+ dleft = wright - offsetrect.left();
+ dright = offsetrect.right() - wleft;
+
+ // snap left of other window?
+ if (dleft >= 0 && dleft < resistance_size) {
+ dx = offsetrect.left() - frame.rect.width();
+ snapped = True;
+ }
+ // snap right of other window?
+ else if (dright >= 0 && dright < resistance_size) {
+ dx = offsetrect.right() + 1;
+ snapped = True;
+ }
+ } else { // BScreen::WindowSnap
+ dleft = abs(wright - offsetrect.left());
+ dright = abs(wleft - offsetrect.right());
// snap left of other window?
if (dleft < snap_distance && dleft <= dright) {
- dx = winrect.left() - frame.rect.width();
+ dx = offsetrect.left() - frame.rect.width();
snapped = True;
}
// snap right of other window?
else if (dright < snap_distance) {
- dx = winrect.right() + 1;
+ dx = offsetrect.right() + 1;
snapped = True;
- }
+ }
+ }
- if (snapped) {
- if (screen->getWindowCornerSnap()) {
- // try corner-snap to its other sides
+ if (snapped) {
+ if (screen->getWindowCornerSnap()) {
+ // try corner-snap to its other sides
+ if (snap_to_windows == BScreen::WindowResistance) {
+ dtop = winrect.top() - wtop;
+ dbottom = wbottom - winrect.bottom();
+ if (dtop > 0 && dtop < resistance_size) {
+ // if we're already past the top edge, then don't provide
+ // resistance
+ if (moving.top() >= winrect.top())
+ dy = winrect.top();
+ } else if (dbottom > 0 && dbottom < resistance_size) {
+ // if we're already past the bottom edge, then don't provide
+ // resistance
+ if (moving.bottom() <= winrect.bottom())
+ dy = winrect.bottom() - frame.rect.height() + 1;
+ }
+ } else { // BScreen::WindowSnap
dtop = abs(wtop - winrect.top());
dbottom = abs(wbottom - winrect.bottom());
if (dtop < snap_distance && dtop <= dbottom)
else if (dbottom < snap_distance)
dy = winrect.bottom() - frame.rect.height() + 1;
}
-
- continue;
}
+
+ continue;
}
+ }
- if (wleft >= (signed)(winrect.x() - frame.rect.width() + 1) &&
- wleft < (signed)(winrect.x() + winrect.width() - 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)) {
+
+ if (snap_to_windows == BScreen::WindowResistance) {
+ dtop = wbottom - offsetrect.top();
+ dbottom = offsetrect.bottom() - wtop;
+
+ // snap top of other window?
+ if (dtop >= 0 && dtop < resistance_size) {
+ dy = offsetrect.top() - frame.rect.height();
+ snapped = True;
+ }
+ // snap bottom of other window?
+ else if (dbottom >= 0 && dbottom < resistance_size) {
+ dy = offsetrect.bottom() + 1;
+ snapped = True;
+ }
+ } else { // BScreen::WindowSnap
+ dtop = abs(wbottom - offsetrect.top());
+ dbottom = abs(wtop - offsetrect.bottom());
// snap top of other window?
if (dtop < snap_distance && dtop <= dbottom) {
- dy = winrect.top() - frame.rect.height();
+ dy = offsetrect.top() - frame.rect.height();
snapped = True;
}
// snap bottom of other window?
else if (dbottom < snap_distance) {
- dy = winrect.bottom() + 1;
+ dy = offsetrect.bottom() + 1;
snapped = True;
}
- if (snapped) {
- if (screen->getWindowCornerSnap()) {
- // try corner-snap to its other sides
+ }
+
+ if (snapped) {
+ if (screen->getWindowCornerSnap()) {
+ // try corner-snap to its other sides
+ if (snap_to_windows == BScreen::WindowResistance) {
+ dleft = winrect.left() - wleft;
+ dright = wright - winrect.right();
+ if (dleft > 0 && dleft < resistance_size) {
+ // if we're already past the left edge, then don't provide
+ // resistance
+ if (moving.left() >= winrect.left())
+ dx = winrect.left();
+ } else if (dright > 0 && dright < resistance_size) {
+ // if we're already past the right edge, then don't provide
+ // resistance
+ if (moving.right() <= winrect.right())
+ dx = winrect.right() - frame.rect.width() + 1;
+ }
+ } else { // BScreen::WindowSnap
dleft = abs(wleft - winrect.left());
dright = abs(wright - winrect.right());
if (dleft < snap_distance && dleft <= dright)
else if (dright < snap_distance)
dx = winrect.right() - frame.rect.width() + 1;
}
-
- continue;
}
+
+ continue;
}
}
}
+ }
- RectList snaplist; // the list of rects we will try to snap to
+ if (snap_to_edges) {
+ RectList rectlist;
// snap to the screen edges (and screen boundaries for xinerama)
#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;
+ Rect offsetrect;
+ offsetrect.setCoords(srect.left() + snap_offset,
+ srect.top() + snap_offset,
+ srect.right() - snap_offset,
+ srect.bottom() - snap_offset);
+
+ if (snap_to_edges == BScreen::WindowResistance) {
+ // if we're not in the rectangle then don't snap to it.
+ if (! srect.contains(moving))
+ continue;
+ } else { // BScreen::WindowSnap
+ // if we're not in the rectangle then don't snap to it.
+ if (! srect.intersects(Rect(wleft, wtop, frame.rect.width(),
+ frame.rect.height())))
+ continue;
+ }
+
+ if (snap_to_edges == BScreen::WindowResistance) {
+ int dleft = offsetrect.left() - wleft,
+ dright = wright - offsetrect.right(),
+ dtop = offsetrect.top() - wtop,
+ dbottom = wbottom - offsetrect.bottom();
- // if we're not in the rectangle then don't snap to it.
- if (! srect.intersects(Rect(wleft, wtop, frame.rect.width(),
- frame.rect.height())))
- continue;
+ // snap left?
+ if (dleft > 0 && dleft < resistance_size)
+ dx = offsetrect.left();
+ // snap right?
+ else if (dright > 0 && dright < resistance_size)
+ dx = offsetrect.right() - frame.rect.width() + 1;
- int dleft = abs(wleft - srect.left()),
- dright = abs(wright - srect.right()),
- dtop = abs(wtop - srect.top()),
- dbottom = abs(wbottom - srect.bottom());
+ // snap top?
+ if (dtop > 0 && dtop < resistance_size)
+ dy = offsetrect.top();
+ // snap bottom?
+ else if (dbottom > 0 && dbottom < resistance_size)
+ dy = offsetrect.bottom() - frame.rect.height() + 1;
+ } else { // BScreen::WindowSnap
+ int dleft = abs(wleft - offsetrect.left()),
+ dright = abs(wright - offsetrect.right()),
+ dtop = abs(wtop - offsetrect.top()),
+ dbottom = abs(wbottom - offsetrect.bottom());
// snap left?
if (dleft < snap_distance && dleft <= dright)
- dx = srect.left();
+ dx = offsetrect.left();
// snap right?
else if (dright < snap_distance)
- dx = srect.right() - frame.rect.width() + 1;
+ dx = offsetrect.right() - frame.rect.width() + 1;
// snap top?
if (dtop < snap_distance && dtop <= dbottom)
- dy = srect.top();
+ dy = offsetrect.top();
// snap bottom?
else if (dbottom < snap_distance)
- dy = srect.bottom() - frame.rect.height() + 1;
+ dy = offsetrect.bottom() - frame.rect.height() + 1;
+ }
}
}
-
- if (screen->doOpaqueMove()) {
- configure(dx, dy, frame.rect.width(), frame.rect.height());
- } else {
- XDrawRectangle(blackbox->getXDisplay(), screen->getRootWindow(),
- screen->getOpGC(),
- frame.changing.x(),
- frame.changing.y(),
- frame.changing.width() - 1,
- frame.changing.height() - 1);
-
- frame.changing.setPos(dx, dy);
-
- XDrawRectangle(blackbox->getXDisplay(), screen->getRootWindow(),
- screen->getOpGC(),
- frame.changing.x(),
- frame.changing.y(),
- frame.changing.width() - 1,
- frame.changing.height() - 1);
- }
-
- screen->showPosition(dx, dy);
}