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
|
#pragma once
#include <SharedGraphics/Point.h>
#include <SharedGraphics/Rect.h>
#include <AK/AKString.h>
#include <AK/Types.h>
#include <AK/WeakPtr.h>
#include <Kernel/KeyCode.h>
class GObject;
class GEvent {
public:
enum Type {
Invalid = 0,
Quit,
Show,
Hide,
Paint,
Resize,
MouseMove,
MouseDown,
MouseUp,
Enter,
Leave,
KeyDown,
KeyUp,
Timer,
DeferredDestroy,
WindowEntered,
WindowLeft,
WindowBecameInactive,
WindowBecameActive,
FocusIn,
FocusOut,
WindowCloseRequest,
ChildAdded,
ChildRemoved,
};
GEvent() { }
explicit GEvent(Type type) : m_type(type) { }
virtual ~GEvent() { }
Type type() const { return m_type; }
bool is_mouse_event() const { return m_type == MouseMove || m_type == MouseDown || m_type == MouseUp; }
bool is_key_event() const { return m_type == KeyUp || m_type == KeyDown; }
bool is_paint_event() const { return m_type == Paint; }
private:
Type m_type { Invalid };
};
class QuitEvent final : public GEvent {
public:
QuitEvent()
: GEvent(GEvent::Quit)
{
}
};
class GPaintEvent final : public GEvent {
public:
explicit GPaintEvent(const Rect& rect, const Size& window_size = Size())
: GEvent(GEvent::Paint)
, m_rect(rect)
, m_window_size(window_size)
{
}
Rect rect() const { return m_rect; }
Size window_size() const { return m_window_size; }
private:
Rect m_rect;
Size m_window_size;
};
class GResizeEvent final : public GEvent {
public:
explicit GResizeEvent(const Size& old_size, const Size& size)
: GEvent(GEvent::Resize)
, m_old_size(old_size)
, m_size(size)
{
}
const Size& old_size() const { return m_old_size; }
const Size& size() const { return m_size; }
private:
Size m_old_size;
Size m_size;
};
class GShowEvent final : public GEvent {
public:
GShowEvent()
: GEvent(GEvent::Show)
{
}
};
class GHideEvent final : public GEvent {
public:
GHideEvent()
: GEvent(GEvent::Hide)
{
}
};
enum GMouseButton : byte {
None = 0,
Left = 1,
Right = 2,
Middle = 4,
};
class GKeyEvent final : public GEvent {
public:
GKeyEvent(Type type, int key, byte modifiers)
: GEvent(type)
, m_key(key)
, m_modifiers(modifiers)
{
}
int key() const { return m_key; }
bool ctrl() const { return m_modifiers & Mod_Ctrl; }
bool alt() const { return m_modifiers & Mod_Alt; }
bool shift() const { return m_modifiers & Mod_Shift; }
bool logo() const { return m_modifiers & Mod_Logo; }
byte modifiers() const { return m_modifiers; }
String text() const { return m_text; }
private:
friend class GEventLoop;
int m_key { 0 };
byte m_modifiers { 0 };
String m_text;
};
class GMouseEvent final : public GEvent {
public:
GMouseEvent(Type type, const Point& position, unsigned buttons, GMouseButton button, unsigned modifiers)
: GEvent(type)
, m_position(position)
, m_buttons(buttons)
, m_button(button)
, m_modifiers(modifiers)
{
}
Point position() const { return m_position; }
int x() const { return m_position.x(); }
int y() const { return m_position.y(); }
GMouseButton button() const { return m_button; }
unsigned buttons() const { return m_buttons; }
unsigned modifiers() const { return m_modifiers; }
private:
Point m_position;
unsigned m_buttons { 0 };
GMouseButton m_button { GMouseButton::None };
unsigned m_modifiers { 0 };
};
class GTimerEvent final : public GEvent {
public:
explicit GTimerEvent(int timer_id) : GEvent(GEvent::Timer), m_timer_id(timer_id) { }
~GTimerEvent() { }
int timer_id() const { return m_timer_id; }
private:
int m_timer_id;
};
class GChildEvent final : public GEvent {
public:
GChildEvent(Type, GObject& child);
~GChildEvent();
GObject* child() { return m_child.ptr(); }
const GObject* child() const { return m_child.ptr(); }
private:
WeakPtr<GObject> m_child;
};
|
