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
|
using Gtk;
namespace Dino.Ui {
public class SizingBin : Widget {
public int min_width { get; set; default = -1; }
public int target_width { get; set; default = -1; }
public int max_width { get; set; default = -1; }
public int min_height { get; set; default = -1; }
public int target_height { get; set; default = -1; }
public int max_height { get; set; default = -1; }
construct {
layout_manager = new BinLayout();
}
public override void size_allocate(int width, int height, int baseline) {
if (max_height != -1) height = int.min(height, max_height);
if (max_width != -1) width = int.min(width, max_width);
base.size_allocate(width, height, baseline);
}
public override void measure(Orientation orientation, int for_size, out int minimum, out int natural, out int minimum_baseline, out int natural_baseline) {
base.measure(orientation, for_size, out minimum, out natural, out minimum_baseline, out natural_baseline);
if (orientation == Orientation.HORIZONTAL) {
if (min_width != -1) minimum = int.max(minimum, min_width);
if (max_width != -1) natural = int.min(natural, max_width);
if (target_width != -1) natural = int.max(natural, target_width);
natural = int.max(natural, minimum);
} else {
if (min_height != -1) minimum = int.max(minimum, min_height);
if (max_height != -1) natural = int.min(natural, max_height);
if (target_height != -1) natural = int.max(natural, target_height);
natural = int.max(natural, minimum);
}
}
public override void dispose() {
var child = this.get_first_child();
if (child != null) child.unparent();
}
}
}
|