Repository navigation
Expand file tree
/
Copy pathevent.rs
More file actions
236 lines (220 loc) · 6.6 KB
/
Copy pathevent.rs
File metadata and controls
236 lines (220 loc) · 6.6 KB
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
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
#[derive(Debug, Copy, Clone, PartialEq, Hash, Eq)]
#[repr(u8)]
pub enum MouseButton {
Left = 0,
Middle = 1,
Right = 2,
Unknown = 255,
}
#[derive(Debug, Copy, Clone)]
pub struct Touch {
pub id: u32,
pub x: f32,
pub y: f32,
}
#[derive(Debug, Copy, Clone, PartialEq, Hash, Eq)]
#[repr(u16)]
/// These keycode values are based off of X11's `keysymdef.h`.
/// Missing keycodes from that list are given the prefix 0x01.
pub enum KeyCode {
Space = 0x0020,
Apostrophe = 0x0027,
Comma = 0x002c,
Minus = 0x002d,
Period = 0x002e,
Slash = 0x002f,
Key0 = 0x0030,
Key1 = 0x0031,
Key2 = 0x0032,
Key3 = 0x0033,
Key4 = 0x0034,
Key5 = 0x0035,
Key6 = 0x0036,
Key7 = 0x0037,
Key8 = 0x0038,
Key9 = 0x0039,
Semicolon = 0x003b,
Equal = 0x003d,
A = 0x0041,
B = 0x0042,
C = 0x0043,
D = 0x0044,
E = 0x0045,
F = 0x0046,
G = 0x0047,
H = 0x0048,
I = 0x0049,
J = 0x004a,
K = 0x004b,
L = 0x004c,
M = 0x004d,
N = 0x004e,
O = 0x004f,
P = 0x0050,
Q = 0x0051,
R = 0x0052,
S = 0x0053,
T = 0x0054,
U = 0x0055,
V = 0x0056,
W = 0x0057,
X = 0x0058,
Y = 0x0059,
Z = 0x005a,
LeftBracket = 0x005b,
Backslash = 0x005c,
RightBracket = 0x005d,
GraveAccent = 0x0060,
World1 = 0x0100,
World2 = 0x0101,
Escape = 0xff1b,
Enter = 0xff0d,
Tab = 0xff09,
Backspace = 0xff08,
Insert = 0xff63,
Delete = 0xffff,
Right = 0xff53,
Left = 0xff51,
Down = 0xff54,
Up = 0xff52,
PageUp = 0xff55,
PageDown = 0xff56,
Home = 0xff50,
End = 0xff57,
CapsLock = 0xffe5,
ScrollLock = 0xff14,
NumLock = 0xff7f,
PrintScreen = 0xfd1d,
Pause = 0xff13,
F1 = 0xffbe,
F2 = 0xffbf,
F3 = 0xffc0,
F4 = 0xffc1,
F5 = 0xffc2,
F6 = 0xffc3,
F7 = 0xffc4,
F8 = 0xffc5,
F9 = 0xffc6,
F10 = 0xffc7,
F11 = 0xffc8,
F12 = 0xffc9,
F13 = 0xffca,
F14 = 0xffcb,
F15 = 0xffcc,
F16 = 0xffcd,
F17 = 0xffce,
F18 = 0xffcf,
F19 = 0xffd0,
F20 = 0xffd1,
F21 = 0xffd2,
F22 = 0xffd3,
F23 = 0xffd4,
F24 = 0xffd5,
F25 = 0xffd6,
Kp0 = 0xffb0,
Kp1 = 0xffb1,
Kp2 = 0xffb2,
Kp3 = 0xffb3,
Kp4 = 0xffb4,
Kp5 = 0xffb5,
Kp6 = 0xffb6,
Kp7 = 0xffb7,
Kp8 = 0xffb8,
Kp9 = 0xffb9,
KpDecimal = 0xffae,
KpDivide = 0xffaf,
KpMultiply = 0xffaa,
KpSubtract = 0xffad,
KpAdd = 0xffab,
KpEnter = 0xff8d,
KpEqual = 0xffbd,
LeftShift = 0xffe1,
LeftControl = 0xffe3,
LeftAlt = 0xffe9,
LeftSuper = 0xffeb,
RightShift = 0xffe2,
RightControl = 0xffe4,
RightAlt = 0xffea,
RightSuper = 0xffec,
Menu = 0xff67,
// Android back button
Back = 0xff04,
Unknown = 0x01ff,
}
#[derive(Debug, Copy, Clone, PartialEq, Default)]
pub struct KeyMods {
pub shift: bool,
pub ctrl: bool,
pub alt: bool,
pub logo: bool,
}
#[derive(Debug, Hash, PartialEq, Eq, Clone, Copy)]
pub enum TouchPhase {
Started,
Moved,
Ended,
Cancelled,
}
/// A trait defining event callbacks.
pub trait EventHandler {
/// On most platforms update() and draw() are called each frame, sequentially,
/// draw right after update.
/// But on Android (and maybe some other platforms in the future) update might
/// be called without draw.
/// When the app is in background, Android destroys the rendering surface,
/// while ap
7414
p is still alive and can do some usefull calculations.
/// Note that in this case drawing from update may lead to crashes.
fn update(&mut self);
fn draw(&mut self);
fn resize_event(&mut self, _width: f32, _height: f32) {}
fn mouse_motion_event(&mut self, _x: f32, _y: f32) {}
fn mouse_wheel_event(&mut self, _x: f32, _y: f32) {}
fn mouse_button_down_event(&mut self, _button: MouseButton, _x: f32, _y: f32) {}
fn mouse_button_up_event(&mut self, _button: MouseButton, _x: f32, _y: f32) {}
fn mouse_leave_event(&mut self) {}
fn mouse_enter_event(&mut self, _button: MouseButton ,_x: f32, _y: f32 ) {}
fn char_event(&mut self, _character: char, _keymods: KeyMods, _repeat: bool) {}
fn key_down_event(&mut self, _keycode: KeyCode, _keymods: KeyMods, _repeat: bool) {}
/// Note: you are not always guaranteed to receive a key_up event. For example on
/// Wayland when leaving the focused window, the key_up event will not be caught.
fn key_up_event(&mut self, _keycode: KeyCode, _keymods: KeyMods) {}
/// Default implementation emulates mouse clicks
fn touch_event(&mut self, phase: TouchPhase, _id: u64, x: f32, y: f32) {
if phase == TouchPhase::Started {
self.mouse_button_down_event(MouseButton::Left, x, y);
}
if phase == TouchPhase::Ended {
self.mouse_button_up_event(MouseButton::Left, x, y);
}
if phase == TouchPhase::Moved {
self.mouse_motion_event(x, y);
}
}
/// Represents raw hardware mouse motion event
/// Note that these events are delivered regardless of input focus and not in pixels, but in
/// hardware units instead. And those units may be different from pixels depending on the target platform
fn raw_mouse_motion(&mut self, _dx: f32, _dy: f32) {}
/// Window has been minimized
/// Right now is only implemented on Android, Windows, OSX, X11 and wasm,
/// On Andoid window_minimized_event is called on a Pause ndk callback
/// On X11, OSX, Windows and wasm it will be called on focus change events.
fn window_minimized_event(&mut self) {}
/// Window has been restored
/// Right now is only implemented on Android, X11 and wasm,
/// On Andoid window_restored_event is called on a Resume ndk callback
/// On X11 and wasm it will be called on focus change events.
fn window_restored_event(&mut self) {}
/// This event is sent when the userclicks the window's close button
/// or application code calls the ctx.request_quit() function. The event
/// handler callback code can handle this event by calling
/// ctx.cancel_quit() to cancel the quit.
/// If the event is ignored, the application will quit as usual.
/// On Andoid quit_requested_event is called on a Destroy ndk callback
fn quit_requested_event(&mut self) {}
/// A file has been dropped over the application.
/// Applications can request the number of dropped files with
/// `ctx.dropped_file_count()`, path of an individual file with
/// `ctx.dropped_file_path()`, and for wasm targets the file bytes
/// can be requested with `ctx.dropped_file_bytes()`.
fn files_dropped_event(&mut self) {}
}