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
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
|
/*
* Copyright (c) 2020, Hüseyin Aslıtürk <asliturk@hotmail.com>
* Copyright (c) 2021, Andreas Kling <kling@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include "MonitorWidget.h"
#include <LibGUI/Desktop.h>
#include <LibGUI/Painter.h>
#include <LibGfx/Bitmap.h>
#include <LibGfx/Font/Font.h>
#include <LibThreading/BackgroundAction.h>
REGISTER_WIDGET(DisplaySettings, MonitorWidget)
namespace DisplaySettings {
MonitorWidget::MonitorWidget()
{
m_desktop_resolution = GUI::Desktop::the().rect().size();
m_monitor_bitmap = Gfx::Bitmap::try_load_from_file("/res/graphics/monitor.png"sv).release_value_but_fixme_should_propagate_errors();
m_desktop_bitmap = Gfx::Bitmap::try_create(m_monitor_bitmap->format(), { 280, 158 }).release_value_but_fixme_should_propagate_errors();
m_monitor_rect = { { 12, 13 }, m_desktop_bitmap->size() };
set_fixed_size(304, 201);
}
bool MonitorWidget::set_wallpaper(String path)
{
if (!is_different_to_current_wallpaper_path(path))
return false;
(void)Threading::BackgroundAction<ErrorOr<NonnullRefPtr<Gfx::Bitmap>>>::construct(
[path](auto&) -> ErrorOr<NonnullRefPtr<Gfx::Bitmap>> {
if (path.is_empty())
return Error::from_errno(ENOENT);
return Gfx::Bitmap::try_load_from_file(path);
},
[this, path](ErrorOr<NonnullRefPtr<Gfx::Bitmap>> bitmap_or_error) {
// If we've been requested to change while we were loading the bitmap, don't bother spending the cost to
// move and render the now stale bitmap.
if (is_different_to_current_wallpaper_path(path))
return;
if (bitmap_or_error.is_error())
m_wallpaper_bitmap = nullptr;
else
m_wallpaper_bitmap = bitmap_or_error.release_value();
m_desktop_dirty = true;
update();
});
if (path.is_empty())
m_desktop_wallpaper_path = nullptr;
else
m_desktop_wallpaper_path = move(path);
return true;
}
StringView MonitorWidget::wallpaper() const
{
return m_desktop_wallpaper_path;
}
void MonitorWidget::set_wallpaper_mode(String mode)
{
if (m_desktop_wallpaper_mode == mode)
return;
m_desktop_wallpaper_mode = move(mode);
m_desktop_dirty = true;
update();
}
StringView MonitorWidget::wallpaper_mode() const
{
return m_desktop_wallpaper_mode;
}
void MonitorWidget::set_desktop_resolution(Gfx::IntSize resolution)
{
if (m_desktop_resolution == resolution)
return;
m_desktop_resolution = resolution;
m_desktop_dirty = true;
update();
}
Gfx::IntSize MonitorWidget::desktop_resolution()
{
return m_desktop_resolution;
}
void MonitorWidget::set_background_color(Gfx::Color color)
{
if (m_desktop_color == color)
return;
m_desktop_color = color;
m_desktop_dirty = true;
update();
}
Gfx::Color MonitorWidget::background_color()
{
return m_desktop_color;
}
void MonitorWidget::redraw_desktop_if_needed()
{
if (!m_desktop_dirty)
return;
m_desktop_dirty = false;
GUI::Painter painter(*m_desktop_bitmap);
painter.fill_rect(m_desktop_bitmap->rect(), m_desktop_color);
if (!m_wallpaper_bitmap)
return;
float sw = (float)m_desktop_bitmap->width() / (float)m_desktop_resolution.width();
float sh = (float)m_desktop_bitmap->height() / (float)m_desktop_resolution.height();
auto scaled_size = m_wallpaper_bitmap->size().to_type<float>().scaled_by(sw, sh).to_type<int>();
auto scaled_bitmap = m_wallpaper_bitmap->scaled(sw, sh).release_value_but_fixme_should_propagate_errors();
if (m_desktop_wallpaper_mode == "center") {
auto centered_rect = Gfx::IntRect({}, scaled_size).centered_within(m_desktop_bitmap->rect());
painter.blit(centered_rect.location(), *scaled_bitmap, scaled_bitmap->rect());
} else if (m_desktop_wallpaper_mode == "tile") {
painter.draw_tiled_bitmap(m_desktop_bitmap->rect(), *scaled_bitmap);
} else if (m_desktop_wallpaper_mode == "stretch") {
painter.draw_scaled_bitmap(m_desktop_bitmap->rect(), *m_wallpaper_bitmap, m_wallpaper_bitmap->rect());
} else {
VERIFY_NOT_REACHED();
}
}
void MonitorWidget::paint_event(GUI::PaintEvent& event)
{
redraw_desktop_if_needed();
GUI::Painter painter(*this);
painter.add_clip_rect(event.rect());
painter.blit({ 0, 0 }, *m_monitor_bitmap, m_monitor_bitmap->rect());
painter.blit(m_monitor_rect.location(), *m_desktop_bitmap, m_desktop_bitmap->rect());
#if 0
if (!m_desktop_resolution.is_null()) {
auto displayed_resolution_string = Gfx::IntSize { m_desktop_resolution.width(), m_desktop_resolution.height() }.to_string();
// Render text label scaled with scale factor to hint at its effect.
// FIXME: Once bitmaps have intrinsic scale factors, we could create a bitmap with an intrinsic scale factor of m_desktop_scale_factor
// and that should give us the same effect with less code.
auto text_bitmap = Gfx::Bitmap::try_create(Gfx::BitmapFormat::BGRA8888, Gfx::IntSize { painter.font().width(displayed_resolution_string) + 1, painter.font().glyph_height() + 1 });
GUI::Painter text_painter(*text_bitmap);
text_painter.set_font(painter.font());
text_painter.draw_text({}, displayed_resolution_string, Gfx::TextAlignment::BottomRight, Color::Black);
text_painter.draw_text({}, displayed_resolution_string, Gfx::TextAlignment::TopLeft, Color::White);
Gfx::IntRect text_rect = text_bitmap->rect();
text_rect.set_width(text_rect.width() * m_desktop_scale_factor);
text_rect.set_height(text_rect.height() * m_desktop_scale_factor);
text_rect.center_within(m_monitor_rect);
painter.draw_scaled_bitmap(text_rect, *text_bitmap, text_bitmap->rect());
}
#endif
}
}
|
