1/*
2Open Tracker License
3
4Terms and Conditions
5
6Copyright (c) 1991-2000, Be Incorporated. All rights reserved.
7
8Permission is hereby granted, free of charge, to any person obtaining a copy of
9this software and associated documentation files (the "Software"), to deal in
10the Software without restriction, including without limitation the rights to
11use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
12of the Software, and to permit persons to whom the Software is furnished to do
13so, subject to the following conditions:
14
15The above copyright notice and this permission notice applies to all licensees
16and shall be included in all copies or substantial portions of the Software.
17
18THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
19IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF TITLE, MERCHANTABILITY,
20FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
21BE INCORPORATED BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
22AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF, OR IN CONNECTION
23WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
24
25Except as contained in this notice, the name of Be Incorporated shall not be
26used in advertising or otherwise to promote the sale, use or other dealings in
27this Software without prior written authorization from Be Incorporated.
28
29Tracker(TM), Be(R), BeOS(R), and BeIA(TM) are trademarks or registered
30trademarks of Be Incorporated in the United States and other countries. Other
31brand product names are registered trademarks or trademarks of their respective
32holders.
33
34All rights reserved.
35*/
36
37
38#include "TruncatableMenuItem.h"
39
40#include <StackOrHeapArray.h>
41
42#include <stdlib.h>
43
44#include "BarApp.h"
45#include "BarView.h"
46#include "TeamMenuItem.h"
47
48
49const float kVPad = 2.0f;
50
51
52//	#pragma mark - TTruncatableMenuItem
53
54
55TTruncatableMenuItem::TTruncatableMenuItem(const char* label, BMessage* message,
56	char shortcut, uint32 modifiers)
57	:
58	BMenuItem(label, message, shortcut, modifiers)
59{
60	fTruncatedString = label;
61}
62
63
64TTruncatableMenuItem::TTruncatableMenuItem(BMenu* menu, BMessage* message)
65	:
66	BMenuItem(menu, message)
67{
68}
69
70
71TTruncatableMenuItem::TTruncatableMenuItem(BMessage* data)
72	:
73	BMenuItem(data)
74{
75}
76
77
78TTruncatableMenuItem::~TTruncatableMenuItem()
79{
80}
81
82
83const char*
84TTruncatableMenuItem::Label()
85{
86	return BMenuItem::Label();
87}
88
89
90const char*
91TTruncatableMenuItem::Label(float width)
92{
93	BMenu* menu = Menu();
94
95	float maxWidth = menu->MaxContentWidth() - kVPad * 2;
96	if (dynamic_cast<TTeamMenuItem*>(this) != NULL
97		&& static_cast<TBarApp*>(be_app)->BarView()->Vertical()
98		&& static_cast<TBarApp*>(be_app)->Settings()->superExpando) {
99		maxWidth -= kSwitchWidth;
100	}
101
102	const char* label = Label();
103	if (width > 0 && maxWidth > 0 && width > maxWidth) {
104		BStackOrHeapArray<char, 128> truncatedLabel(strlen(label) + 4);
105		if (truncatedLabel.IsValid()) {
106			float labelWidth = menu->StringWidth(label);
107			float offset = width - labelWidth;
108			TruncateLabel(maxWidth - offset, truncatedLabel);
109			fTruncatedString.SetTo(truncatedLabel);
110			return fTruncatedString.String();
111		}
112	}
113
114	fTruncatedString.SetTo(label);
115
116	return label;
117}
118
119
120void
121TTruncatableMenuItem::SetLabel(const char* label)
122{
123	fTruncatedString.SetTo(label);
124
125	BMenuItem::SetLabel(label);
126}
127