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
103
104
105
106
107
108
109
110
|
/*
* Copyright (c) 2020, Alex McGrath <amk@amk.ie>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <LibGUI/Event.h>
#include <LibGUI/LinkLabel.h>
#include <LibGUI/Painter.h>
#include <LibGUI/Window.h>
#include <LibGfx/Font.h>
#include <LibGfx/Palette.h>
REGISTER_WIDGET(GUI, LinkLabel)
namespace GUI {
LinkLabel::LinkLabel(String text)
: Label(move(text))
{
set_override_cursor(Gfx::StandardCursor::Hand);
set_foreground_role(Gfx::ColorRole::Link);
set_focus_policy(FocusPolicy::TabFocus);
}
void LinkLabel::mousedown_event(MouseEvent& event)
{
Label::mousedown_event(event);
if (on_click) {
on_click();
}
}
void LinkLabel::keydown_event(KeyEvent& event)
{
Label::keydown_event(event);
if (event.key() == KeyCode::Key_Return || event.key() == KeyCode::Key_Space) {
if (on_click)
on_click();
}
}
void LinkLabel::paint_event(PaintEvent& event)
{
Label::paint_event(event);
GUI::Painter painter(*this);
if (m_hovered)
painter.draw_line({ 0, rect().bottom() }, { font().width(text()), rect().bottom() }, palette().link());
if (is_focused())
painter.draw_focus_rect(text_rect(), palette().focus_outline());
}
void LinkLabel::enter_event(Core::Event& event)
{
Label::enter_event(event);
m_hovered = true;
update();
}
void LinkLabel::leave_event(Core::Event& event)
{
Label::leave_event(event);
m_hovered = false;
update();
}
void LinkLabel::did_change_text()
{
Label::did_change_text();
update_tooltip_if_needed();
}
void LinkLabel::update_tooltip_if_needed()
{
if (width() < font().width(text())) {
set_tooltip(text());
} else {
set_tooltip({});
}
}
void LinkLabel::resize_event(ResizeEvent& event)
{
Label::resize_event(event);
update_tooltip_if_needed();
}
}
|
