jcs.org
Serenity Operating System
1/*
2 * Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
3 *
4 * SPDX-License-Identifier: BSD-2-Clause
5 */
6
7#include "TaskbarButton.h"
8#include "WindowList.h"
9#include <LibGUI/Action.h>
10#include <LibGUI/ConnectionToWindowManagerServer.h>
11#include <LibGUI/ConnectionToWindowServer.h>
12#include <LibGUI/Painter.h>
13#include <LibGfx/Font/Font.h>
14#include <LibGfx/Palette.h>
15#include <LibGfx/StylePainter.h>
16
17TaskbarButton::TaskbarButton(WindowIdentifier const& identifier)
18 : m_identifier(identifier)
19{
20 set_checkable(true);
21}
22
23void TaskbarButton::context_menu_event(GUI::ContextMenuEvent&)
24{
25 GUI::ConnectionToWindowManagerServer::the().async_popup_window_menu(
26 m_identifier.client_id(),
27 m_identifier.window_id(),
28 screen_relative_rect().location());
29}
30
31void TaskbarButton::update_taskbar_rect()
32{
33 GUI::ConnectionToWindowManagerServer::the().async_set_window_taskbar_rect(
34 m_identifier.client_id(),
35 m_identifier.window_id(),
36 screen_relative_rect());
37}
38
39void TaskbarButton::clear_taskbar_rect()
40{
41 GUI::ConnectionToWindowManagerServer::the().async_set_window_taskbar_rect(
42 m_identifier.client_id(),
43 m_identifier.window_id(),
44 {});
45}
46
47void TaskbarButton::resize_event(GUI::ResizeEvent& event)
48{
49 update_taskbar_rect();
50 return GUI::Button::resize_event(event);
51}
52
53static void paint_custom_progressbar(GUI::Painter& painter, Gfx::IntRect const& rect, Gfx::IntRect const& text_rect, Palette const& palette, int min, int max, int value, StringView text, Gfx::Font const& font, Gfx::TextAlignment text_alignment)
54{
55 float range_size = max - min;
56 float progress = (value - min) / range_size;
57 float progress_width = progress * rect.width();
58
59 Gfx::IntRect progress_rect { rect.x(), rect.y(), (int)progress_width, rect.height() };
60
61 {
62 Gfx::PainterStateSaver saver(painter);
63 painter.add_clip_rect(progress_rect);
64
65 Color start_color = palette.active_window_border1();
66 Color end_color = palette.active_window_border2();
67 painter.fill_rect_with_gradient(rect, start_color, end_color);
68
69 if (!text.is_null()) {
70 painter.draw_text(text_rect.translated(1, 1), text, font, text_alignment, palette.base_text(), Gfx::TextElision::Right);
71 painter.draw_text(text_rect, text, font, text_alignment, palette.base_text().inverted(), Gfx::TextElision::Right);
72 }
73 }
74
75 Gfx::IntRect hole_rect { (int)progress_width, 0, (int)(rect.width() - progress_width), rect.height() };
76 hole_rect.translate_by(rect.location());
77 hole_rect.set_right_without_resize(rect.right());
78 Gfx::PainterStateSaver saver(painter);
79 painter.add_clip_rect(hole_rect);
80 if (!text.is_null())
81 painter.draw_text(text_rect, text, font, text_alignment, palette.base_text(), Gfx::TextElision::Right);
82}
83
84void TaskbarButton::paint_event(GUI::PaintEvent& event)
85{
86 VERIFY(icon());
87 auto& icon = *this->icon();
88 auto& font = is_checked() ? this->font().bold_variant() : this->font();
89 auto& window = WindowList::the().ensure_window(m_identifier);
90
91 GUI::Painter painter(*this);
92 painter.add_clip_rect(event.rect());
93
94 Gfx::StylePainter::paint_button(painter, rect(), palette(), button_style(), is_being_pressed(), is_hovered(), is_checked(), is_enabled());
95
96 if (text().is_empty())
97 return;
98
99 auto content_rect = rect().shrunken(8, 2);
100 auto icon_location = content_rect.center().translated(-(icon.width() / 2), -(icon.height() / 2));
101 if (!text().is_empty())
102 icon_location.set_x(content_rect.x());
103
104 if (!text().is_empty()) {
105 content_rect.translate_by(icon.width() + 4, 0);
106 content_rect.set_width(content_rect.width() - icon.width() - 4);
107 }
108
109 Gfx::IntRect text_rect { 0, 0, static_cast<int>(ceilf(font.width(text()))), font.pixel_size_rounded_up() };
110 if (text_rect.width() > content_rect.width())
111 text_rect.set_width(content_rect.width());
112 text_rect.align_within(content_rect, text_alignment());
113
114 if (is_being_pressed() || is_checked()) {
115 text_rect.translate_by(1, 1);
116 icon_location.translate_by(1, 1);
117 }
118
119 if (window.progress().has_value()) {
120 auto adjusted_rect = rect().shrunken(4, 4);
121 if (!is_being_pressed() && !is_checked()) {
122 adjusted_rect.translate_by(-1, -1);
123 adjusted_rect.set_width(adjusted_rect.width() + 1);
124 adjusted_rect.set_height(adjusted_rect.height() + 1);
125 }
126 paint_custom_progressbar(painter, adjusted_rect, text_rect, palette(), 0, 100, window.progress().value(), text(), font, text_alignment());
127 }
128
129 if (is_enabled()) {
130 if (is_hovered())
131 painter.blit_brightened(icon_location, icon, icon.rect());
132 else
133 painter.blit(icon_location, icon, icon.rect());
134 } else {
135 painter.blit_disabled(icon_location, icon, icon.rect(), palette());
136 }
137
138 if (!window.progress().has_value())
139 paint_text(painter, text_rect, font, text_alignment());
140}