diff options
Diffstat (limited to 'StarsEx/Menu.cpp')
-rw-r--r-- | StarsEx/Menu.cpp | 141 |
1 files changed, 141 insertions, 0 deletions
diff --git a/StarsEx/Menu.cpp b/StarsEx/Menu.cpp new file mode 100644 index 0000000..35f5715 --- /dev/null +++ b/StarsEx/Menu.cpp @@ -0,0 +1,141 @@ +/* Starshatter: The Open Source Project + Copyright (c) 2021-2022, Starshatter: The Open Source Project Contributors + Copyright (c) 2011-2012, Starshatter OpenSource Distribution Contributors + Copyright (c) 1997-2006, Destroyer Studios LLC. + + AUTHOR: John DiCamillo + + + OVERVIEW + ======== + Simple menu hierarchy class +*/ + +#include "Menu.h" + +// +--------------------------------------------------------------------+ + +void +Menu::AddItem(Text label, DWORD value, bool enabled) +{ + MenuItem* item = new MenuItem(label, value, enabled); + + if (item) { + item->menu = this; + items.append(item); + } +} + +void +Menu::AddItem(MenuItem* item) +{ + if (item->submenu) + item->submenu->SetParent(this); + item->menu = this; + items.append(item); +} + +void +Menu::AddMenu(Text label, Menu* menu, DWORD value) +{ + MenuItem* item = new MenuItem(label, value); + + if (item) { + item->menu = this; + item->submenu = menu; + menu->parent = this; + + items.append(item); + } +} + +MenuItem* +Menu::GetItem(int index) +{ + if (index >= 0 && index < items.size()) + return items[index]; + + return 0; +} + +void +Menu::SetItem(int index, MenuItem* item) +{ + if (item && index >= 0 && index < items.size()) + items[index] = item; +} + +int +Menu::NumItems() const +{ + return items.size(); +} + +void +Menu::ClearItems() +{ + items.destroy(); +} + + +// +--------------------------------------------------------------------+ + +MenuItem::MenuItem(Text label, DWORD value, bool e) +: text(label), data(value), enabled(e), submenu(0), selected(0) +{ } + +MenuItem::~MenuItem() +{ } + +// +--------------------------------------------------------------------+ + +Menu* +MenuHistory::GetCurrent() +{ + int n = history.size(); + + if (n) + return history[n-1]; + + return 0; +} + +Menu* +MenuHistory::GetLevel(int n) +{ + if (n >= 0 && n < history.size()) + return history[n]; + + return 0; +} + +Menu* +MenuHistory::Find(const char* title) +{ + for (int i = 0; i < history.size(); i++) + if (history[i]->GetTitle() == title) + return history[i]; + + return 0; +} + +void +MenuHistory::Pop() +{ + int n = history.size(); + + if (n) + history.removeIndex(n-1); +} + +void +MenuHistory::Push(Menu* menu) +{ + history.append(menu); +} + +void +MenuHistory::Clear() +{ + history.clear(); +} |