From 19eefc13fd66cd894a5edd55a6c6fdea5030f422 Mon Sep 17 00:00:00 2001
From: hewenfei <hewenfei@kylinos.cn>
Date: Thu, 16 Mar 2023 14:30:46 +0800
Subject: [PATCH] =?UTF-8?q?=E6=96=B0=E5=BB=BA=E8=8F=9C=E5=8D=95=E6=8F=92?=
 =?UTF-8?q?=E4=BB=B6=E6=8E=A5=E5=8F=A3?=
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---
 CMakeLists.txt            |  2 +
 src/menu/menu-manager.cpp | 85 +++++++++++++++++++++++++++++++++++++++
 src/menu/menu-manager.h   | 62 ++++++++++++++++++++++++++++
 3 files changed, 149 insertions(+)
 create mode 100644 src/menu/menu-manager.cpp
 create mode 100644 src/menu/menu-manager.h

diff --git a/CMakeLists.txt b/CMakeLists.txt
index dc8f481..b1d24c5 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -48,6 +48,7 @@ set(SingleApplication "SingleApplication")
 
 # include文件夹
 include_directories(src)
+include_directories(src/menu)
 include_directories(src/model)
 include_directories(src/appdata)
 include_directories(src/settings)
@@ -102,6 +103,7 @@ set(SOURCE_FILES
         src/utils/power-button.cpp src/utils/power-button.h
         src/utils/app-manager.cpp src/utils/app-manager.h
         src/model/label-model.cpp src/model/label-model.h
+        src/menu/menu-manager.cpp src/menu/menu-manager.h
         )
 
 # qrc文件
diff --git a/src/menu/menu-manager.cpp b/src/menu/menu-manager.cpp
new file mode 100644
index 0000000..d0e31ce
--- /dev/null
+++ b/src/menu/menu-manager.cpp
@@ -0,0 +1,85 @@
+/*
+ * Copyright (C) 2023, KylinSoft Co., Ltd.
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ *
+ */
+
+#include "menu-manager.h"
+#include "app-manager.h"
+
+#include <QMenu>
+#include <QCursor>
+
+namespace UkuiMenu {
+
+MenuManager *MenuManager::instance()
+{
+    static MenuManager manager;
+    return &manager;
+}
+
+MenuManager::MenuManager()
+{
+
+}
+
+MenuManager::~MenuManager()
+{
+    for (auto &provider : m_providers) {
+        delete provider;
+        provider = nullptr;
+    }
+}
+
+void MenuManager::registerMenuProvider(MenuProvider *provider)
+{
+    if (!provider) {
+        return;
+    }
+
+    m_providers.append(provider);
+}
+
+void MenuManager::showMenu(const DataEntity &entity, const QPoint &point)
+{
+    showMenu(MenuProvider::DataType, QVariant::fromValue(entity), point);
+}
+
+void MenuManager::showMenu(const MenuProvider::RequestType &type, const QVariant &data, const QPoint &point)
+{
+    QMenu menu;
+
+    QList<QAction*> actions;
+    for (const auto &provider : m_providers) {
+        actions.append(provider->generateActions(&menu, type, data));
+    }
+
+    if (actions.isEmpty()) {
+        return;
+    }
+
+    menu.addActions(actions);
+    menu.exec(checkPoint(point));
+}
+
+inline QPoint MenuManager::checkPoint(const QPoint &rawPoint)
+{
+    if (rawPoint.isNull()) {
+        return QCursor::pos();
+    }
+    return rawPoint;
+}
+
+} // UkuiMenu
diff --git a/src/menu/menu-manager.h b/src/menu/menu-manager.h
new file mode 100644
index 0000000..470ef63
--- /dev/null
+++ b/src/menu/menu-manager.h
@@ -0,0 +1,62 @@
+/*
+ * Copyright (C) 2023, KylinSoft Co., Ltd.
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ *
+ */
+
+#ifndef UKUI_MENU_MENU_MANAGER_H
+#define UKUI_MENU_MENU_MANAGER_H
+
+#include <QObject>
+#include <QAction>
+#include <QPoint>
+
+#include "commons.h"
+
+namespace UkuiMenu {
+
+class MenuProvider
+{
+public:
+    enum RequestType {
+        DataType = 0,
+        Custom,
+    };
+    virtual ~MenuProvider() = default;
+    virtual int index() = 0;
+    virtual QList<QAction*> generateActions(QObject *parent, const RequestType &type, const QVariant &data) = 0;
+};
+
+class MenuManager : public QObject
+{
+    Q_OBJECT
+public:
+    static MenuManager *instance();
+    ~MenuManager() override;
+    void registerMenuProvider(MenuProvider *provider);
+    void showMenu(const DataEntity &entity, const QPoint &point = QPoint());
+    void showMenu(const MenuProvider::RequestType &type, const QVariant &data, const QPoint &point = QPoint());
+
+private:
+    MenuManager();
+    inline QPoint checkPoint(const QPoint &rawPoint);
+
+private:
+    QList<MenuProvider*> m_providers;
+};
+
+} // UkuiMenu
+
+#endif //UKUI_MENU_MENU_MANAGER_H