bool
TabMenuDisplay::OnMouseUp(PixelScalar x, PixelScalar y)
{
RasterPoint Pos;
Pos.x = x;
Pos.y = y;
if (dragging) {
DragEnd();
const MenuTabIndex di = IsPointOverButton(Pos, GetPageMainIndex(cursor));
if (di == down_index) {
// sub menu click
if (di.IsSub())
pager.ClickPage(PAGE_OFFSET + GetPageNum(di));
// main menu click
else if (di.IsMain()) {
/* move cursor to first item in this menu */
cursor = main_menu_buttons[di.main_index].first_page_index;
Invalidate();
} else {
InvalidateButton(down_index);
}
}
down_index = MenuTabIndex::None();
return true;
} else {
return PaintWindow::OnMouseUp(x, y);
}
}
int
TabMenuDisplay::GetPageNum(MenuTabIndex i) const
{
assert(i.IsSub());
assert(i.main_index < main_menu_buttons.size());
assert(i.sub_index < GetNumPages());
const MainMenuButton &main_button = GetMainMenuButton(i.main_index);
return main_button.first_page_index + i.sub_index;
}
int
TabMenuControl::GetPageNum(MenuTabIndex i) const
{
if (!i.IsSub())
return this->GetMenuPage();
assert(i.main_index < main_menu_buttons.size());
assert(i.sub_index < GetNumPages());
const MainMenuButton &main_button = GetMainMenuButton(i.main_index);
return main_button.first_page_index + i.sub_index;
}
