1//! Macos screen have a y axis that goings up from the bottom of the screen and
2//! an origin at the bottom left of the main display.
3mod dispatcher;
4mod display;
5mod display_link;
6mod events;
7mod screen_capture;
8
9#[cfg(not(feature = "macos-blade"))]
10mod metal_atlas;
11#[cfg(not(feature = "macos-blade"))]
12pub mod metal_renderer;
13
14use core_video::image_buffer::CVImageBuffer;
15#[cfg(not(feature = "macos-blade"))]
16use metal_renderer as renderer;
17
18#[cfg(feature = "macos-blade")]
19use crate::platform::blade as renderer;
20
21mod attributed_string;
22
23#[cfg(feature = "font-kit")]
24mod open_type;
25
26#[cfg(feature = "font-kit")]
27mod text_system;
28
29mod platform;
30mod window;
31mod window_appearance;
32
33use crate::{px, size, DevicePixels, Pixels, Size};
34use cocoa::{
35 base::{id, nil},
36 foundation::{NSAutoreleasePool, NSNotFound, NSRect, NSSize, NSString, NSUInteger},
37};
38
39use objc::runtime::{BOOL, NO, YES};
40use std::{
41 ffi::{c_char, CStr},
42 ops::Range,
43};
44
45pub(crate) use dispatcher::*;
46pub(crate) use display::*;
47pub(crate) use display_link::*;
48pub(crate) use platform::*;
49pub(crate) use window::*;
50
51#[cfg(feature = "font-kit")]
52pub(crate) use text_system::*;
53
54/// A frame of video captured from a screen.
55pub(crate) type PlatformScreenCaptureFrame = CVImageBuffer;
56
57trait BoolExt {
58 fn to_objc(self) -> BOOL;
59}
60
61impl BoolExt for bool {
62 fn to_objc(self) -> BOOL {
63 if self {
64 YES
65 } else {
66 NO
67 }
68 }
69}
70
71trait NSStringExt {
72 unsafe fn to_str(&self) -> &str;
73}
74
75impl NSStringExt for id {
76 unsafe fn to_str(&self) -> &str {
77 let cstr = self.UTF8String();
78 if cstr.is_null() {
79 ""
80 } else {
81 CStr::from_ptr(cstr as *mut c_char).to_str().unwrap()
82 }
83 }
84}
85
86#[repr(C)]
87#[derive(Copy, Clone, Debug)]
88struct NSRange {
89 pub location: NSUInteger,
90 pub length: NSUInteger,
91}
92
93impl NSRange {
94 fn invalid() -> Self {
95 Self {
96 location: NSNotFound as NSUInteger,
97 length: 0,
98 }
99 }
100
101 fn is_valid(&self) -> bool {
102 self.location != NSNotFound as NSUInteger
103 }
104
105 fn to_range(self) -> Option<Range<usize>> {
106 if self.is_valid() {
107 let start = self.location as usize;
108 let end = start + self.length as usize;
109 Some(start..end)
110 } else {
111 None
112 }
113 }
114}
115
116impl From<Range<usize>> for NSRange {
117 fn from(range: Range<usize>) -> Self {
118 NSRange {
119 location: range.start as NSUInteger,
120 length: range.len() as NSUInteger,
121 }
122 }
123}
124
125unsafe impl objc::Encode for NSRange {
126 fn encode() -> objc::Encoding {
127 let encoding = format!(
128 "{{NSRange={}{}}}",
129 NSUInteger::encode().as_str(),
130 NSUInteger::encode().as_str()
131 );
132 unsafe { objc::Encoding::from_str(&encoding) }
133 }
134}
135
136unsafe fn ns_string(string: &str) -> id {
137 NSString::alloc(nil).init_str(string).autorelease()
138}
139
140impl From<NSSize> for Size<Pixels> {
141 fn from(value: NSSize) -> Self {
142 Size {
143 width: px(value.width as f32),
144 height: px(value.height as f32),
145 }
146 }
147}
148
149impl From<NSRect> for Size<Pixels> {
150 fn from(rect: NSRect) -> Self {
151 let NSSize { width, height } = rect.size;
152 size(width.into(), height.into())
153 }
154}
155
156impl From<NSRect> for Size<DevicePixels> {
157 fn from(rect: NSRect) -> Self {
158 let NSSize { width, height } = rect.size;
159 size(DevicePixels(width as i32), DevicePixels(height as i32))
160 }
161}