RoutedEvent.h

#pragma once
 
#include "Delegate.h"
#include <cstdint>
 
namespace sw
{
    enum RoutedEventType : uint32_t {
        // 从该值开始到RoutedEventType_UserEnd结束表示用户可以自定义路由事件的值范围
        RoutedEventType_User = 0,
 
        // 用户自定义路由事件的值的最大值
        RoutedEventType_UserEnd = 0x80000000,
 
        // 尺寸改变，参数类型为sw::SizeChangedEventArgs
        UIElement_SizeChanged,
 
        // 位置改变，参数类型为sw::PositionChangedEventArgs
        UIElement_PositionChanged,
 
        // Text属性发生变化，参数类型为sw::RoutedEventArgs
        UIElement_TextChanged,
 
        // 获取到焦点，参数类型为sw::RoutedEventArgs
        UIElement_GotFocus,
 
        // 失去焦点，参数类型为sw::RoutedEventArgs
        UIElement_LostFocus,
 
        // 输入字符，参数类型为sw::GotCharEventArgs
        UIElement_GotChar,
 
        // 键盘按键按下，参数类型为sw::KeyDownEventArgs
        UIElement_KeyDown,
 
        // 键盘按键抬起，参数类型为sw::KeyUpEventArgs
        UIElement_KeyUp,
 
        // 鼠标移动，参数类型为sw::MouseMoveEventArgs
        UIElement_MouseMove,
 
        // 鼠标离开，参数类型为sw::RoutedEventArgs
        UIElement_MouseLeave,
 
        // 鼠标滚轮滚动，参数类型为sw::MouseWheelEventArgs
        UIElement_MouseWheel,
 
        // 鼠标按键按下，参数类型为sw::MouseButtonDownEventArgs
        UIElement_MouseButtonDown,
 
        // 鼠标按键抬起，参数类型为sw::MouseButtonUpEventArgs
        UIElement_MouseButtonUp,
 
        // 要显示用户自定义的上下文菜单前触发该事件，参数类型为sw::ShowContextMenuEventArgs
        UIElement_ShowContextMenu,
 
        // 接收到文件拖放，参数类型为sw::DropFilesEventArgs
        UIElement_DropFiles,
 
        // 窗口正在关闭，参数类型为sw::WindowClosingEventArgs
        Window_Closing,
 
        // 窗口已关闭，参数类型为sw::RoutedEventArgs
        Window_Closed,
 
        // 窗口成为前台窗口，参数类型为sw::RoutedEventArgs
        Window_Actived,
 
        // 窗口成为后台窗口，参数类型为sw::RoutedEventArgs
        Window_Inactived,
 
        // 按钮被单击，参数类型为sw::RoutedEventArgs
        ButtonBase_Clicked,
 
        // 按钮被双击，参数类型为sw::RoutedEventArgs
        ButtonBase_DoubleClicked,
 
        // 分割按钮的下拉箭头被单击，参数类型为sw::SplitButtonDropDownEventArgs
        SplitButton_DropDown,
 
        // 列表视图/列表框/组合框的选中项改变，参数类型为sw::RoutedEventArgs
        ItemsControl_SelectionChanged,
 
        // 列表视图某个复选框的选中状态改变，参数类型为sw::ListViewCheckStateChangedEventArgs
        ListView_CheckStateChanged,
 
        // 鼠标左键单击列表视图的列标题，参数类型为sw::ListViewHeaderClickedEventArgs
        ListView_HeaderClicked,
 
        // 鼠标左键双击列表视图的列标题，参数类型为sw::ListViewHeaderDoubleClickedEventArgs
        ListView_HeaderDoubleClicked,
 
        // 鼠标左键单击列表视图某个项，参数类型为sw::ListViewItemClickedEventArgs
        ListView_ItemClicked,
 
        // 鼠标左键单击列表视图某个项，参数类型为sw::ListViewItemDoubleClickedEventArgs
        ListView_ItemDoubleClicked,
 
        // 编辑状态结束，参数类型为sw::ListViewEndEditEventArgs
        ListView_EndEdit,
 
        // 滑块的值被改变，参数类型为sw::RoutedEventArgs
        Slider_ValueChanged,
 
        // 滑块被释放，参数类型为sw::RoutedEventArgs
        Slider_EndTrack,
 
        // 窗口/面板滚动条滚动，参数类型为sw::ScrollingEventArgs
        Layer_Scrolling,
 
        // SelectedIndex属性被改变，参数类型为sw::RoutedEventArgs
        TabControl_SelectedIndexChanged,
 
        // DateTimePicker控件的时间改变，参数类型为sw::DateTimePickerTimeChangedEventArgs
        DateTimePicker_TimeChanged,
 
        // 月历控件的时间改变，参数类型为sw::MonthCalendarTimeChangedEventArgs
        MonthCalendar_TimeChanged,
 
        // IP地址框地址被改变，参数类型为sw::RoutedEventArgs
        IPAddressControl_AddressChanged,
 
        // SysLink控件链接被单击，参数类型为sw::SysLinkClickedEventArgs
        SysLink_Clicked,
 
        // 热键框的值被改变，参数类型为sw::HotKeyValueChangedEventArgs
        HotKeyControl_ValueChanged,
 
        // 树视图节点正在展开或折叠，参数类型为sw::TreeViewItemExpandingEventArgs
        TreeView_ItemExpanding,
 
        // 树视图节点已展开或折叠，参数类型为sw::TreeViewItemExpandedEventArgs
        TreeView_ItemExpanded,
 
        // 树视图节点的复选框选中状态被改变，参数类型为sw::TreeViewCheckStateChangedEventArgs
        TreeView_CheckStateChanged,
    };
 
    /*================================================================================*/
 
    class UIElement; // UIElement.h
 
    struct RoutedEventArgs {
        RoutedEventType eventType;
 
        bool handled = false;
 
        bool handledMsg = false;
 
        UIElement *source = nullptr;
 
        UIElement *originalSource = nullptr;
 
        RoutedEventArgs(RoutedEventType eventType);
    };
 
    using RoutedEventHandler = Action<UIElement &, RoutedEventArgs &>;
}