void LLPanelFriends::updateColumns(void* user_data)
{
LLPanelFriends* panelp = (LLPanelFriends*)user_data;
if (panelp)
{
LLButton* expand_button = panelp->getChild<LLButton>("expand_collapse_btn");
LLScrollListCtrl* list = panelp->getChild<LLScrollListCtrl>("friend_list");
//llinfos << "Refreshing UI" << llendl;
S32 width = 22;
std::string button = ">";
if (gSavedSettings.getBOOL("ContactListCollapsed"))
{
width = 0;
button = "<";
}
expand_button->setLabel(button);
LLScrollListColumn* column = list->getColumn(5);
list->updateStaticColumnWidth(column, width);
column->setWidth(width);
column = list->getColumn(6);
list->updateStaticColumnWidth(column, width);
column->setWidth(width);
column = list->getColumn(7);
list->updateStaticColumnWidth(column, width);
column->setWidth(width);
list->updateLayout();
if (!gSavedSettings.getBOOL("ContactListCollapsed"))
{
panelp->updateFriends(LLFriendObserver::ADD);
}
}
}
void LLScrollColumnHeader::handleReshape(const LLRect& new_rect, bool by_user)
{
S32 new_width = new_rect.getWidth();
S32 delta_width = new_width - (getRect().getWidth() /*+ mColumn->mParentCtrl->getColumnPadding()*/);
if (delta_width != 0)
{
S32 remaining_width = -delta_width;
S32 col;
for (col = mColumn->mIndex + 1; col < mColumn->mParentCtrl->getNumColumns(); col++)
{
LLScrollListColumn* columnp = mColumn->mParentCtrl->getColumn(col);
if (!columnp) continue;
if (columnp->mHeader && columnp->mHeader->canResize())
{
// how many pixels in width can this column afford to give up?
S32 resize_buffer_amt = llmax(0, columnp->getWidth() - MIN_COLUMN_WIDTH);
// user shrinking column, need to add width to other columns
if (delta_width < 0)
{
if (columnp->getWidth() > 0)
{
// statically sized column, give all remaining width to this column
columnp->setWidth(columnp->getWidth() + remaining_width);
if (columnp->mRelWidth > 0.f)
{
columnp->mRelWidth = (F32)columnp->getWidth() / (F32)mColumn->mParentCtrl->getItemListRect().getWidth();
}
// all padding went to this widget, we're done
break;
}
}
else
{
// user growing column, need to take width from other columns
remaining_width += resize_buffer_amt;
if (columnp->getWidth() > 0)
{
columnp->setWidth(columnp->getWidth() - llmin(columnp->getWidth() - MIN_COLUMN_WIDTH, delta_width));
if (columnp->mRelWidth > 0.f)
{
columnp->mRelWidth = (F32)columnp->getWidth() / (F32)mColumn->mParentCtrl->getItemListRect().getWidth();
}
}
if (remaining_width >= 0)
{
// width sucked up from neighboring columns, done
break;
}
}
}
}
// clamp resize amount to maximum that can be absorbed by other columns
if (delta_width > 0)
{
delta_width += llmin(remaining_width, 0);
}
// propagate constrained delta_width to new width for this column
new_width = getRect().getWidth() + delta_width - mColumn->mParentCtrl->getColumnPadding();
// use requested width
mColumn->setWidth(new_width);
// update proportional spacing
if (mColumn->mRelWidth > 0.f)
{
mColumn->mRelWidth = (F32)new_width / (F32)mColumn->mParentCtrl->getItemListRect().getWidth();
}
// tell scroll list to layout columns again
// do immediate update to get proper feedback to resize handle
// which needs to know how far the resize actually went
mColumn->mParentCtrl->updateColumns();
}
}
