bool
PagerWidget::SetCurrent(unsigned i, bool click)
{
assert(i < children.size());
if (!initialised || !prepared) {
/* quick code path: not yet prepared, quickly switch without
checks */
assert(!click);
current = i;
return true;
}
assert(current < children.size());
assert(!visible || children[current].prepared);
assert(!click || visible);
Child &old_child = children[current];
Child &new_child = children[i];
if (i == current) {
if (click) {
assert(visible);
assert(new_child.prepared);
new_child.widget->ReClick();
return true;
} else {
return true;
}
}
assert(!visible || old_child.prepared);
if (visible && !old_child.widget->Leave())
return false;
if (click && !new_child.widget->Click())
return false;
if (visible)
old_child.widget->Hide();
current = i;
if (!new_child.prepared) {
new_child.prepared = true;
new_child.widget->Prepare(*parent, position);
}
if (visible)
new_child.widget->Show(position);
OnPageFlipped();
return true;
}
void dlgConfigurationShowModal()
{
const DialogLook &look = UIGlobals::GetDialogLook();
WidgetDialog dialog(look);
auto on_close = MakeLambdaActionListener([&dialog](unsigned id) {
OnCloseClicked(dialog);
});
pager = new ArrowPagerWidget(on_close, look.button,
new ConfigurationExtraButtons(look));
TabMenuDisplay *menu = new TabMenuDisplay(*pager, look);
pager->Add(new CreateWindowWidget([menu](ContainerWindow &parent,
const PixelRect &rc,
WindowStyle style) {
style.TabStop();
menu->Create(parent, rc, style);
return menu;
}));
menu->InitMenu(pages, ARRAY_SIZE(pages),
main_menu_captions, ARRAY_SIZE(main_menu_captions));
/* restore last selected menu item */
menu->SetCursor(current_page);
dialog.CreateFull(UIGlobals::GetMainWindow(), _("Configuration"), pager);
pager->SetPageFlippedCallback([&dialog, menu](){
OnPageFlipped(dialog, *menu);
});
dialog.ShowModal();
/* save page number for next time this dialog is opened */
current_page = menu->GetCursor();
bool changed = false;
pager->Save(changed);
if (changed) {
Profile::Save();
LogDebug(_T("Configuration: Changes saved"));
if (require_restart)
ShowMessageBox(_("Changes to configuration saved. Restart XCSoar to apply changes."),
_T(""), MB_OK);
}
}