/*virtual*/ BOOL handleHover(S32 x, S32 y, MASK mask)
{
// We only handle the click if the click both started and ended within us
if( !hasMouseCapture() ) return FALSE;
S32 screen_x;
S32 screen_y;
localPointToScreen(x, y, &screen_x, &screen_y);
S32 delta_x = screen_x - mDragLastScreenX;
S32 delta_y = screen_y - mDragLastScreenY;
LLSideTray* side_tray = LLSideTray::getInstance();
// Check if the tab we are dragging is docked.
if (!side_tray->isTabAttached(getName())) return FALSE;
// Same value is hardcoded in LLDragHandle::handleHover().
const S32 undock_threshold = 12;
// Detach a tab if it has been pulled further than undock_threshold.
if (delta_x <= -undock_threshold || delta_x >= undock_threshold ||
delta_y <= -undock_threshold || delta_y >= undock_threshold)
{
LLSideTrayTab* tab = side_tray->getTab(getName());
if (!tab) return FALSE;
tab->toggleTabDocked();
LLFloater* floater_tab = LLFloaterReg::getInstance("side_bar_tab", tab->getName());
if (!floater_tab) return FALSE;
LLRect original_rect = floater_tab->getRect();
S32 header_snap_y = floater_tab->getHeaderHeight() / 2;
S32 snap_x = screen_x - original_rect.mLeft - original_rect.getWidth() / 2;
S32 snap_y = screen_y - original_rect.mTop + header_snap_y;
// Move the floater to appear "under" the mouse pointer.
floater_tab->setRect(original_rect.translate(snap_x, snap_y));
// Snap the mouse pointer to the center of the floater header
// and call 'mouse down' event handler to begin dragging.
floater_tab->handleMouseDown(original_rect.getWidth() / 2,
original_rect.getHeight() - header_snap_y,
mask);
return TRUE;
}
return FALSE;
}
// Detach those tabs that were detached when the viewer exited last time.
void LLSideTray::detachTabs()
{
// copy mTabs because LLSideTray::toggleTabDocked() modifies it.
child_vector_t tabs = mTabs;
for (child_vector_const_iter_t it = tabs.begin(); it != tabs.end(); ++it)
{
LLSideTrayTab* tab = *it;
std::string floater_ctrl_name = LLFloater::getControlName("side_bar_tab", LLSD(tab->getName()));
std::string vis_ctrl_name = LLFloaterReg::getVisibilityControlName(floater_ctrl_name);
if (!LLFloater::getControlGroup()->controlExists(vis_ctrl_name)) continue;
bool is_visible = LLFloater::getControlGroup()->getBOOL(vis_ctrl_name);
if (!is_visible) continue;
llassert(isTabAttached(tab->getName()));
tab->toggleTabDocked();
}
}