void
TabMenuControl::SetCurrentPage(unsigned page)
{
assert(page < buttons.size());
if (!pager.ClickPage(page))
return;
if (page == GetMenuPage()) {
form.SetCaption(caption);
const MenuTabIndex di = FindPage(last_content_page);
this->GetTabMenuDisplay()->SetSelectedIndex(di);
} else {
const PageItem& theitem = GetPageItem(page);
SetLastContentPage(page);
const MainMenuButton &main_button =
GetMainMenuButton(theitem.main_menu_index);
StaticString<128> caption;
caption.Format(_T("%s > %s"),
gettext(main_button.caption),
gettext(theitem.menu_caption));
form.SetCaption(caption);
}
}
inline void
TabMenuDisplay::PaintSubMenuItems(Canvas &canvas) const
{
const MainMenuButton &main_button =
GetMainMenuButton(GetPageMainIndex(cursor));
PaintSubMenuBorder(canvas, main_button);
assert(main_button.first_page_index < buttons.size());
assert(main_button.last_page_index < buttons.size());
const bool is_focused = !HasCursorKeys() || HasFocus();
for (unsigned first_page_index = main_button.first_page_index,
last_page_index = main_button.last_page_index,
page_index = first_page_index;
page_index <= last_page_index; ++page_index) {
const unsigned sub_index = page_index - first_page_index;
const bool is_pressed = sub_index == down_index.sub_index &&
!drag_off_button;
const bool is_cursor = page_index == cursor;
const bool is_selected = is_pressed || is_cursor;
buttons[page_index].Draw(canvas, look,
is_focused, is_pressed, is_selected);
}
}
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;
}
TabMenuControl::MenuTabIndex
TabMenuControl::IsPointOverButton(RasterPoint Pos, unsigned mainIndex) const
{
// scan main menu buttons
for (unsigned i = 0; i < GetNumMainMenuItems(); i++)
if (GetMainMenuButtonSize(i).IsInside(Pos))
return MenuTabIndex(i);
// scan visible submenu
if (mainIndex < GetNumMainMenuItems()) {
const MainMenuButton &main_button = GetMainMenuButton(mainIndex);
for (unsigned i = main_button.first_page_index;
i <= main_button.last_page_index; ++i) {
if (GetSubMenuButtonSize(i).IsInside(Pos))
return MenuTabIndex(mainIndex, i - main_button.first_page_index);
}
}
return MenuTabIndex::None();
}
inline void
TabMenuDisplay::PaintSubMenuItems(Canvas &canvas,
const unsigned CaptionStyle) const
{
const MainMenuButton &main_button =
GetMainMenuButton(GetPageMainIndex(cursor));
PaintSubMenuBorder(canvas, main_button);
assert(main_button.first_page_index < buttons.size());
assert(main_button.last_page_index < buttons.size());
const bool is_focused = !HasCursorKeys() || HasFocus();
for (unsigned first_page_index = main_button.first_page_index,
last_page_index = main_button.last_page_index,
page_index = first_page_index;
page_index <= last_page_index; ++page_index) {
const unsigned sub_index = page_index - first_page_index;
const bool is_pressed = sub_index == down_index.sub_index &&
!drag_off_button;
const bool is_cursor = page_index == cursor;
const bool is_selected = is_pressed || is_cursor;
canvas.SetTextColor(look.list.GetTextColor(is_selected, is_focused,
is_pressed));
canvas.SetBackgroundColor(look.list.GetBackgroundColor(is_selected,
is_focused,
is_pressed));
const PixelRect &rc = GetSubMenuButtonSize(page_index);
TabDisplay::PaintButton(canvas, CaptionStyle,
gettext(pages[page_index].menu_caption),
rc,
nullptr, is_cursor,
false);
}
}
const PixelRect&
TabMenuControl::GetSubMenuButtonSize(unsigned page) const
{
assert(page < buttons.size());
if (buttons[page]->rc.left < buttons[page]->rc.right)
return buttons[page]->rc;
const PageItem &item = this->GetPageItem(page);
const MainMenuButton &main_button = GetMainMenuButton(item.main_menu_index);
const unsigned sub_index = page - main_button.first_page_index;
PixelRect &rc = buttons[page]->rc;
const UPixelScalar margin = Layout::Scale(1);
const UPixelScalar finalmargin = Layout::Scale(1);
const unsigned subMenuItemCount = main_button.NumSubMenus();
const UPixelScalar tabHeight = GetTabHeight();
const UPixelScalar butHeight = GetMenuButtonHeight();
const UPixelScalar itemHeight = butHeight + margin;
const UPixelScalar SubMenuHeight = itemHeight * subMenuItemCount + finalmargin;
const UPixelScalar topMainMenuItem = item.main_menu_index * itemHeight +
finalmargin;
const UPixelScalar offset = Layout::Scale(2);
const UPixelScalar topMainMenuItemWOffset = topMainMenuItem + offset;
const UPixelScalar subMenuTop =
(topMainMenuItemWOffset + SubMenuHeight <= tabHeight) ?
topMainMenuItemWOffset : tabHeight - SubMenuHeight - offset;
rc.top = subMenuTop + sub_index * itemHeight;
rc.bottom = rc.top + butHeight;
rc.left = GetMenuButtonWidth() + GetTabLineHeight();
rc.right = rc.left + GetMenuButtonWidth();
return buttons[page]->rc;
}
