初版-带一个进度条

sources/Menu.cpp

@@ -0,0 +1,54 @@
+#include "Menu.h"
+
+namespace ezui {
+	UINT_PTR g_nextId = WM_APP + 1;
+	inline UINT_PTR GenerateMenuId() {
+		++g_nextId;
+		return g_nextId;
+	}
+
+	Menu::Menu(Object* parentObj) : Object(parentObj)
+	{
+		m_hMenu = ::CreatePopupMenu(); // 创建空菜单
+	}
+
+	UINT_PTR Menu::Append(const UIString& text)
+	{
+		UINT_PTR id = GenerateMenuId();
+		if (m_hMenu) {
+			::AppendMenuW(m_hMenu, MF_STRING, id, text.unicode().c_str());
+		}
+		return id;
+	}
+
+	void Menu::Remove(UINT_PTR itemID)
+	{
+		if (!m_hMenu) return;
+		int count = ::GetMenuItemCount(m_hMenu);
+		for (int i = 0; i < count; ++i)
+		{
+			MENUITEMINFO mii = {};
+			mii.cbSize = sizeof(mii);
+			mii.fMask = MIIM_ID;
+
+			if (::GetMenuItemInfo(m_hMenu, i, TRUE, &mii)) {
+				if (mii.wID == itemID) {
+					::RemoveMenu(m_hMenu, i, MF_BYPOSITION);
+					break;
+				}
+			}
+		}
+	}
+	Menu::~Menu()
+	{
+		if (m_hMenu) {
+			::DestroyMenu(m_hMenu);
+		}
+	}
+
+	HMENU Menu::HMenu()
+	{
+		return m_hMenu;
+	}
+
+};