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0dd27daf ZJS |
1 | // Copyright (c) 2005 VMware, Inc. |
2 | ||
3 | // This is a translation of http://git.gnome.org/browse/meld/tree/meld/ui/wraplabel.py, | |
4 | // which in turn is a translation of WrapLabel from libview. | |
5 | ||
6 | // Permission is hereby granted, free of charge, to any person obtaining a copy | |
7 | // of this software and associated documentation files (the "Software"), to deal | |
8 | // in the Software without restriction, including without limitation the rights | |
9 | // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | |
10 | // copies of the Software, and to permit persons to whom the Software is | |
11 | // furnished to do so, subject to the following conditions: | |
12 | // | |
13 | // The above copyright notice and this permission notice shall be included in | |
14 | // all copies or substantial portions of the Software. | |
15 | // | |
16 | // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
17 | // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
18 | // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE | |
19 | // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | |
20 | // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | |
21 | // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE | |
22 | // SOFTWARE. | |
23 | ||
24 | // Python translation from wrapLabel.{cc|h} by Gian Mario Tagliaretti | |
25 | // Vala translation from wraplabel.py by Zbigniew Jędrzejewski-Szmek | |
26 | ||
27 | public class WrapLabel : Gtk.Label { | |
28 | private int _wrap_width; | |
29 | ||
30 | public WrapLabel(string? text = null) { | |
31 | this._wrap_width = 0; | |
32 | var layout = get_layout(); | |
33 | layout.set_wrap(Pango.WrapMode.WORD_CHAR); | |
34 | if (text != null) | |
35 | this.set_text(text); | |
36 | this.set_alignment(0, 0); | |
37 | } | |
38 | ||
39 | public override void size_request(out Gtk.Requisition requisition) { | |
40 | int width, height; | |
41 | var layout = get_layout(); | |
42 | layout.get_pixel_size(out width, out height); | |
43 | requisition.width = 0; | |
44 | requisition.height = height; | |
45 | } | |
46 | ||
47 | public override void size_allocate(Gdk.Rectangle allocation) { | |
48 | base.size_allocate (allocation); | |
49 | this._set_wrap_width(allocation.width); | |
50 | } | |
51 | ||
52 | public new void set_text(string str) { | |
53 | base.set_text(str); | |
54 | this._set_wrap_width(this._wrap_width); | |
55 | } | |
56 | ||
57 | public new void set_markup(string str) { | |
58 | base.set_markup(str); | |
59 | this._set_wrap_width(this._wrap_width); | |
60 | } | |
61 | ||
62 | private void _set_wrap_width(int width) { | |
63 | if (width == 0) | |
64 | return; | |
65 | ||
66 | var layout = get_layout(); | |
67 | layout.set_width(width * Pango.SCALE); | |
68 | if (_wrap_width != width) { | |
69 | this._wrap_width = width; | |
70 | this.queue_resize(); | |
71 | } | |
72 | } | |
73 | } |