public SystemMenuManager(Form target, bool movePresent, MenuItemState closeState)
{
this.target = target;
this.closeState = closeState;
this.target.Load += new EventHandler(target_Load);
this.target.Resize += new EventHandler(target_Resize);
this.target.KeyDown += new KeyEventHandler(target_KeyDown);
this.menuHandle = GetSystemMenu(target.Handle, false);
if (!movePresent)
{
// Remove the Move menu item.
DeleteMenu(this.menuHandle, SC_MOVE, MF_BYCOMMAND);
}
if (closeState == MenuItemState.Removed)
{
// Remove the Close menu item.
DeleteMenu(this.menuHandle, SC_CLOSE, MF_BYCOMMAND);
}
else
{
this.RefreshCloseItem();
}
if (closeState != MenuItemState.Enabled)
{
// Set the Keypreview to True so that the Alt+F4 key combination can be detected.
target.KeyPreview = true;
}
}
/// <summary>
/// 执行对应的事件
/// </summary>
public void Operate()
{
State = MenuItemState.Pressed;
if (OperateEvent != null)
{
OperateEvent(this, null);
}
}
public MenuItem(string name, double price, uint quantity, string ingredients, string allergens, MenuItemState menuItemState)
{
Name = name;
Price = price;
Quantity = quantity;
Ingredients = ingredients;
Allergens = allergens;
MenuItemState = menuItemState;
}
public CreateMenuItemCmd(Menu menu, string name, double price, uint quantity, string ingredients, string allergens, MenuItemState menuItemState)
{
Menu = menu;
Name = name;
Price = price;
Quantity = quantity;
Ingredients = ingredients;
Allergens = allergens;
MenuItemState = menuItemState;
}
private void stateChanged(MenuItemState newState)
{
if (newState == MenuItemState.Selected)
{
background.Expand();
}
else
{
background.Contract();
}
}
/// <summary>
/// 刷新自己
/// </summary>
/// <param name="gameTime">游戏现在的时间</param>
public virtual void Update(GameTime gameTime)
{
if (IsSelected)
{
this.State = MenuItemState.Selected;
}
else
{
this.State = MenuItemState.Normal;
}
}
public void least_method_with_data()
{
MenuItemState.Least(MenuItemState.Available).ShouldEqual(MenuItemState.Available);
MenuItemState.Least(MenuItemState.Hidden).ShouldEqual(MenuItemState.Hidden);
MenuItemState.Least(MenuItemState.Disabled).ShouldEqual(MenuItemState.Disabled);
MenuItemState.Least(MenuItemState.Hidden, MenuItemState.Available).ShouldEqual(MenuItemState.Hidden);
MenuItemState.Least(MenuItemState.Hidden, MenuItemState.Available, MenuItemState.Disabled).ShouldEqual(MenuItemState.Hidden);
MenuItemState.Least(MenuItemState.Disabled, MenuItemState.Available).ShouldEqual(MenuItemState.Disabled);
MenuItemState.Least(MenuItemState.Hidden, MenuItemState.Disabled).ShouldEqual(MenuItemState.Hidden);
}
private void switchState(MenuItemState state)
{
_state = state;
_timeline = -1;
switch (_state)
{
case MenuItemState.FadeIn:
_inactiveAlpha = 0;
_activeAlpha = 0;
break;
}
}
private void itemStateChanged(DrawableMenuItem item, MenuItemState state)
{
if (state != MenuItemState.Selected)
{
return;
}
if (item != selectedItem && selectedItem != null)
{
selectedItem.State = MenuItemState.NotSelected;
}
selectedItem = item;
}
void ChangeState(MenuItemState p_state)
{
if (!IsEnabled)
{
VisualStateManager.GoToState(this, "Disabled", true);
}
else if (IsSubmenuOpen)
{
VisualStateManager.GoToState(this, "Pressed", true);
}
else
{
VisualStateManager.GoToState(this, p_state.ToString(), true);
}
}
/// <summary>
/// 生成一个MenuItem实例
/// </summary>
/// <param name="patternto">图像需要的基本Texture2D实例</param>
/// <param name="eventto">所对应的事件</param>
/// <param name="positionto">MenuItem的位置。在Menu中为Menu左上角坐标的相对位置。</param>
/// <param name="Sizeto">MenuItem的大小。</param>
/// <param name="IntroDuctto">该MenuItem的文字介绍，可根据自己喜好填写，可用于显示详细信息。</param>
public MenuItem(Texture2D patternto, EventHandler eventto, Vector2 positionto, Vector2 Sizeto, string IntroDuctto)
{
basicPattern = patternto;
Position = positionto;
Size = Sizeto;
IsAvaliable = true;
IsSelected = false;
State = MenuItemState.Normal;
neighbourItem = new MenuItem[5];
//下面这条应该移动到更合适的地方
DefaultOperateEvent = new EventHandler(nullEvent);
if (eventto != null)
{
OperateEvent = new EventHandler(eventto);
}
else
{
OperateEvent = new EventHandler(DefaultOperateEvent);
}
intro = IntroDuctto;
}
public SystemMenuManager(Form target, MenuItemState closeState)
: this(target, true, closeState)
{
}
public void FadeOut()
{
_state = MenuItemState.FadeOut;
}
/// <summary>
/// Sets the <see cref="Menu.DrawableMenuItem"/> <see cref="Menu.DrawableMenuItem.State"/> at the specified index to a specified state.
/// </summary>
/// <param name="index">The index of the <see cref="Menu.DrawableMenuItem"/> to set the state of.</param>
/// <param name="state">The state to be set.</param>
public void SetSelectedState(int index, MenuItemState state)
{
var item = GetMenuItems()[index];
item.GetType().GetProperty("State")?.SetValue(item, state);
}
public static IO <CreateMenuItemResult.ICreateMenuItemResult> CreateMenuItem(Menu menu, string name, double price, uint quantity, string ingredients, string allergens, MenuItemState menuItemState) => NewIO <CreateMenuItemCmd, CreateMenuItemResult.ICreateMenuItemResult>(new CreateMenuItemCmd(menu, name, price, quantity, ingredients, allergens, menuItemState));
internal void DrawApplicationMenuItem(Context cr, Rectangle bodyAllocation, MenuItemState state, double roundSize, double lineWidth, double arrowSize, double arrowPadding, bool drawSeparator, ApplicationMenuItem widget)
{
double lineWidth05 = lineWidth / 2;
double lineWidth15 = lineWidth05 * 3;
double separatorX = bodyAllocation.X + bodyAllocation.Width - 2 * lineWidth - arrowSize - 2 * arrowPadding;
cr.LineWidth = lineWidth;
if(state != MenuItemState.Default)
{
LinearGradient bodyPattern, innerBorderPattern;
Color borderColor;
bodyPattern = new LinearGradient (bodyAllocation.X, bodyAllocation.Y, bodyAllocation.X, bodyAllocation.Y + bodyAllocation.Height);
bodyPattern.AddColorStopRgb (0.0, new Color (1, 0.996, 0.890));
bodyPattern.AddColorStopRgb (0.37, new Color (1, 0.906, 0.592));
bodyPattern.AddColorStopRgb (0.43, new Color (1, 0.843, 0.314));
bodyPattern.AddColorStopRgb (1.0, new Color (1, 0.906, 0.588));
innerBorderPattern = new LinearGradient (bodyAllocation.X, bodyAllocation.Y, bodyAllocation.X + bodyAllocation.Width, bodyAllocation.Y + bodyAllocation.Height);
innerBorderPattern.AddColorStop (0.0, new Color (1, 1, 0.969, 1));
innerBorderPattern.AddColorStop (1.0, new Color (1, 1, 0.969, 0));
borderColor = new Color (0.824, 0.753, 0.553);
double x0 = bodyAllocation.X + lineWidth05, y0 = bodyAllocation.Y + lineWidth05;
double x1 = bodyAllocation.X + bodyAllocation.Width - lineWidth05, y1 = bodyAllocation.Y + bodyAllocation.Height - lineWidth05;
cr.MoveTo (x0 + roundSize, y0);
cr.Arc (x1 - roundSize, y0 + roundSize, roundSize, 1.5*Math.PI, 0);
cr.Arc (x1 - roundSize, y1 - roundSize, roundSize, 0, 0.5*Math.PI);
cr.Arc (x0 + roundSize, y1 - roundSize, roundSize, 0.5*Math.PI, Math.PI);
cr.Arc (x0 + roundSize, y0 + roundSize, roundSize, Math.PI, 1.5*Math.PI);
cr.Pattern = bodyPattern;
cr.Fill ();
bodyPattern.Destroy ();
if(state == MenuItemState.HilightAction)
{
cr.Color = new Color (1, 1, 1, 0.7);
cr.MoveTo (x0 + roundSize, y0);
cr.LineTo (separatorX, y0);
cr.LineTo (separatorX, y1);
cr.Arc (x0 + roundSize, y1 - roundSize, roundSize, 0.5*Math.PI, Math.PI);
cr.Arc (x0 + roundSize, y0 + roundSize, roundSize, Math.PI, 1.5*Math.PI);
cr.Fill ();
}
else if(state == MenuItemState.HilightMenu)
{
cr.Color = new Color (1, 1, 1, 0.7);
cr.MoveTo (separatorX, y0);
cr.Arc (x1 - roundSize, y0 + roundSize, roundSize, 1.5*Math.PI, 0);
cr.Arc (x1 - roundSize, y1 - roundSize, roundSize, 0, 0.5*Math.PI);
cr.LineTo (separatorX, y1);
cr.LineTo (separatorX, y0);
cr.Fill ();
}
x0 = bodyAllocation.X + lineWidth15; y0 = bodyAllocation.Y + lineWidth15;
x1 = bodyAllocation.X + bodyAllocation.Width - lineWidth15; y1 = bodyAllocation.Y + bodyAllocation.Height - lineWidth15;
double roundSizeMinusLineWidth = roundSize - lineWidth;
x0 -= lineWidth;
cr.MoveTo (x0 + roundSizeMinusLineWidth, y0);
cr.Arc (x1 - roundSizeMinusLineWidth, y0 + roundSizeMinusLineWidth, roundSizeMinusLineWidth, 1.5*Math.PI, 0);
cr.Arc (x1 - roundSizeMinusLineWidth, y1 - roundSizeMinusLineWidth, roundSizeMinusLineWidth, 0, 0.5*Math.PI);
cr.Arc (x0 + roundSizeMinusLineWidth, y1 - roundSizeMinusLineWidth, roundSizeMinusLineWidth, 0.5*Math.PI, Math.PI);
cr.Arc (x0 + roundSizeMinusLineWidth, y0 + roundSizeMinusLineWidth, roundSizeMinusLineWidth, Math.PI, 1.5*Math.PI);
x0 += lineWidth;
cr.Pattern = innerBorderPattern;
cr.Stroke ();
innerBorderPattern.Destroy ();
x0 = bodyAllocation.X + lineWidth05; y0 = bodyAllocation.Y + lineWidth05;
x1 = bodyAllocation.X + bodyAllocation.Width - lineWidth05; y1 = bodyAllocation.Y + bodyAllocation.Height - lineWidth05;
cr.MoveTo (x0 + roundSize, y0);
cr.Arc (x1 - roundSize, y0 + roundSize, roundSize, 1.5*Math.PI, 0);
cr.Arc (x1 - roundSize, y1 - roundSize, roundSize, 0, 0.5*Math.PI);
cr.Arc (x0 + roundSize, y1 - roundSize, roundSize, 0.5*Math.PI, Math.PI);
cr.Color = borderColor;
cr.Stroke ();
}
if(arrowSize > 0)
{
double x, y;
x = separatorX;
y = bodyAllocation.Y + (bodyAllocation.Height - arrowSize) / 2.0;
if(drawSeparator)
{
double top = bodyAllocation.Y + 2 * lineWidth, bottom = bodyAllocation.Y + bodyAllocation.Height - 2 * lineWidth;
cr.MoveTo (x - lineWidth / 2, top);
cr.LineTo (x - lineWidth / 2, bottom);
cr.Color = new Color (0, 0, 0, 0.1);
cr.Stroke ();
cr.MoveTo (x + lineWidth / 2, top);
cr.LineTo (x + lineWidth / 2, bottom);
cr.Color = new Color (1, 1, 1, 0.6);
cr.Stroke ();
}
x += arrowSize / 4.0 + lineWidth / 2.0;
cr.MoveTo (x, y);
cr.LineTo (x, y + arrowSize);
cr.LineTo (x + arrowSize / 2.0, y + arrowSize / 2.0);
cr.LineTo (x, y);
cr.Color = new Color (0, 0, 0);
cr.Fill ();
}
}
public void least_method_empty_is_available()
{
MenuItemState.Least().ShouldEqual(MenuItemState.Available);
}
