blob: 2a4c2d419abe6783312e7b09b4693304bc8f02c3 (
plain)
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
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
|
#include "GWidget.h"
#include "GEvent.h"
#include "GEventLoop.h"
#include "GWindow.h"
#include <AK/Assertions.h>
#include <SharedGraphics/GraphicsBitmap.h>
#include <SharedGraphics/Painter.h>
GWidget::GWidget(GWidget* parent)
: GObject(parent)
{
set_font(nullptr);
m_background_color = Color::White;
m_foreground_color = Color::Black;
}
GWidget::~GWidget()
{
}
void GWidget::set_relative_rect(const Rect& rect)
{
if (rect == m_relative_rect)
return;
// FIXME: Make some kind of event loop driven ResizeEvent?
m_relative_rect = rect;
update();
}
void GWidget::repaint(const Rect& rect)
{
// FIXME: Implement.
}
void GWidget::event(GEvent& event)
{
switch (event.type()) {
case GEvent::Paint:
m_has_pending_paint_event = false;
return paint_event(static_cast<GPaintEvent&>(event));
case GEvent::FocusIn:
return focusin_event(event);
case GEvent::FocusOut:
return focusout_event(event);
case GEvent::Show:
return show_event(static_cast<GShowEvent&>(event));
case GEvent::Hide:
return hide_event(static_cast<GHideEvent&>(event));
case GEvent::KeyDown:
return keydown_event(static_cast<GKeyEvent&>(event));
case GEvent::KeyUp:
return keyup_event(static_cast<GKeyEvent&>(event));
case GEvent::MouseMove:
return mousemove_event(static_cast<GMouseEvent&>(event));
case GEvent::MouseDown:
if (accepts_focus())
set_focus(true);
return mousedown_event(static_cast<GMouseEvent&>(event));
case GEvent::MouseUp:
return mouseup_event(static_cast<GMouseEvent&>(event));
default:
return GObject::event(event);
}
}
void GWidget::paint_event(GPaintEvent& event)
{
if (fill_with_background_color()) {
Painter painter(*this);
painter.fill_rect(event.rect(), background_color());
}
for (auto* ch : children()) {
auto* child = (GWidget*)ch;
if (child->relative_rect().intersects(event.rect())) {
// FIXME: Pass localized rect?
child->event(event);
}
}
}
void GWidget::show_event(GShowEvent&)
{
}
void GWidget::hide_event(GHideEvent&)
{
}
void GWidget::keydown_event(GKeyEvent&)
{
}
void GWidget::keyup_event(GKeyEvent&)
{
}
void GWidget::mousedown_event(GMouseEvent&)
{
}
void GWidget::mouseup_event(GMouseEvent&)
{
}
void GWidget::mousemove_event(GMouseEvent&)
{
}
void GWidget::focusin_event(GEvent&)
{
}
void GWidget::focusout_event(GEvent&)
{
}
void GWidget::update()
{
auto* w = window();
if (!w)
return;
if (m_has_pending_paint_event)
return;
m_has_pending_paint_event = true;
w->update(relative_rect());
}
GWidget::HitTestResult GWidget::hit_test(int x, int y)
{
// FIXME: Care about z-order.
for (auto* ch : children()) {
auto* child = (GWidget*)ch;
if (child->relative_rect().contains(x, y)) {
return child->hit_test(x - child->relative_rect().x(), y - child->relative_rect().y());
}
}
return { this, x, y };
}
void GWidget::set_window(GWindow* window)
{
if (m_window == window)
return;
m_window = window;
}
bool GWidget::is_focused() const
{
auto* win = window();
if (!win)
return false;
if (!win->is_active())
return false;
return win->focused_widget() == this;
}
void GWidget::set_focus(bool focus)
{
auto* win = window();
if (!win)
return;
if (focus) {
win->set_focused_widget(this);
} else {
if (win->focused_widget() == this)
win->set_focused_widget(nullptr);
}
}
void GWidget::set_font(RetainPtr<Font>&& font)
{
if (!font)
m_font = Font::default_font();
else
m_font = move(font);
}
void GWidget::set_global_cursor_tracking(bool enabled)
{
auto* win = window();
if (!win)
return;
win->set_global_cursor_tracking_widget(enabled ? this : nullptr);
}
bool GWidget::global_cursor_tracking() const
{
auto* win = window();
if (!win)
return false;
return win->global_cursor_tracking_widget() == this;
}
|
