1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
|
using System.Linq;
using Microsoft.Xna.Framework;
using Microsoft.Xna.Framework.Input;
using MonoGame.Extended.Input.InputListeners;
using MonoGame.Extended.TextureAtlases;
namespace MonoGame.Extended.Gui.Controls
{
public class ComboBox : SelectorControl
{
public ComboBox()
{
}
public bool IsOpen { get; set; }
public TextureRegion2D DropDownRegion { get; set; }
public Color DropDownColor { get; set; } = Color.White;
public override bool OnKeyPressed(IGuiContext context, KeyboardEventArgs args)
{
if (args.Key == Keys.Enter)
IsOpen = false;
return base.OnKeyPressed(context, args);
}
public override bool OnPointerUp(IGuiContext context, PointerEventArgs args)
{
IsOpen = !IsOpen;
return base.OnPointerUp(context, args);
}
protected override Rectangle GetListAreaRectangle(IGuiContext context)
{
return GetDropDownRectangle(context);
}
public override bool Contains(IGuiContext context, Point point)
{
return base.Contains(context, point) || IsOpen && GetListAreaRectangle(context).Contains(point);
}
public override Size GetContentSize(IGuiContext context)
{
var width = 0;
var height = 0;
foreach (var item in Items)
{
var itemSize = GetItemSize(context, item);
if (itemSize.Width > width)
width = itemSize.Width;
if (itemSize.Height > height)
height = itemSize.Height;
}
return new Size(width + ClipPadding.Width, height + ClipPadding.Height);
}
public override void Draw(IGuiContext context, IGuiRenderer renderer, float deltaSeconds)
{
base.Draw(context, renderer, deltaSeconds);
if (IsOpen)
{
var dropDownRectangle = GetListAreaRectangle(context);
if (DropDownRegion != null)
{
renderer.DrawRegion(DropDownRegion, dropDownRectangle, DropDownColor);
}
else
{
renderer.FillRectangle(dropDownRectangle, DropDownColor);
renderer.DrawRectangle(dropDownRectangle, BorderColor);
}
DrawItemList(context, renderer);
}
var selectedTextInfo = GetItemTextInfo(context, ContentRectangle, SelectedItem);
if (!string.IsNullOrWhiteSpace(selectedTextInfo.Text))
renderer.DrawText(selectedTextInfo.Font, selectedTextInfo.Text, selectedTextInfo.Position + TextOffset, selectedTextInfo.Color, selectedTextInfo.ClippingRectangle);
}
private Rectangle GetDropDownRectangle(IGuiContext context)
{
var dropDownRectangle = BoundingRectangle;
dropDownRectangle.Y = dropDownRectangle.Y + dropDownRectangle.Height;
dropDownRectangle.Height = (int) Items
.Select(item => GetItemSize(context, item))
.Select(itemSize => itemSize.Height)
.Sum();
return dropDownRectangle;
}
}
}
|
