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comparison src/sys/osx/dark_theme.cc @ 194:8548dc425697

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sys/osx: remove all objective-c++ stuff mmmm :)
author Paper <mrpapersonic@gmail.com>
date Thu, 07 Dec 2023 03:17:05 -0500
parents
children 975a3f0965e2
comparison
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193:0ad2507c3e60 194:8548dc425697
1 #include "sys/osx/dark_theme.h"
2
3 #include <objc/runtime.h>
4 #include <objc/message.h>
5
6 #include <CoreFoundation/CoreFoundation.h>
7 #include <AvailabilityMacros.h>
8
9 #include <QOperatingSystemVersion>
10
11 namespace osx {
12
13 typedef id (*object_message_send)(id, SEL, ...);
14 typedef id (*class_message_send)(Class, SEL, ...);
15
16 static const object_message_send obj_send = reinterpret_cast<object_message_send>(objc_msgSend);
17 static const class_message_send cls_send = reinterpret_cast<class_message_send>(objc_msgSend);
18
19 static CFStringRef NSAppearanceNameAqua = nullptr;
20 static CFStringRef NSAppearanceNameDarkAqua = nullptr;
21
22 static const CFStringRef kLaunchServicesBundleID = CFSTR("com.apple.AppKit");
23
24 bool RetrieveAppearanceNames() {
25 CFBundleRef appkit_bundle = CFBundleGetBundleWithIdentifier(kLaunchServicesBundleID);
26 if (!appkit_bundle)
27 return false;
28
29 NSAppearanceNameAqua = *reinterpret_cast<CFStringRef*>(CFBundleGetDataPointerForName(appkit_bundle, CFSTR("NSAppearanceNameAqua")));
30 if (!NSAppearanceNameAqua)
31 return false;
32
33 NSAppearanceNameDarkAqua = *reinterpret_cast<CFStringRef*>(CFBundleGetDataPointerForName(appkit_bundle, CFSTR("NSAppearanceNameDarkAqua")));
34 if (!NSAppearanceNameDarkAqua)
35 return false;
36
37 return true;
38 }
39
40 bool DarkThemeAvailable() {
41 return (QOperatingSystemVersion::current() >= QOperatingSystemVersion::MacOSMojave);
42 }
43
44 bool IsInDarkTheme() {
45 if (!DarkThemeAvailable())
46 return false;
47
48 if (!NSAppearanceNameAqua || !NSAppearanceNameDarkAqua)
49 if (!RetrieveAppearanceNames())
50 return false;
51
52 CFArrayRef array = []() -> CFArrayRef {
53 CFStringRef refs[] = {NSAppearanceNameAqua, NSAppearanceNameDarkAqua};
54 return CFArrayCreate(NULL, reinterpret_cast<const void**>(refs), 2, &kCFTypeArrayCallBacks);
55 }();
56
57 // NSApplication* app = [NSApplication sharedApplication];
58 const id app = cls_send(objc_getClass("NSApplication"), sel_getUid("sharedApplication"));
59
60 // NSAppearance* effectiveAppearance = [app effectiveAppearance];
61 const id effectiveAppearance = obj_send(app, sel_getUid("effectiveAppearance"));
62 if (!effectiveAppearance) {
63 CFRelease(array);
64 return false;
65 }
66
67 // NSAppearance* appearance = [effectiveAppearance bestMatchFromAppearancesWithNames: array];
68 const id appearance = obj_send(effectiveAppearance, sel_getUid("bestMatchFromAppearancesWithNames:"), array);
69
70 CFRelease(array);
71
72 if (!appearance)
73 return false;
74
75 return CFEqual(appearance, NSAppearanceNameDarkAqua);
76 }
77
78 bool SetToDarkTheme() {
79 // https://stackoverflow.com/questions/55925862/how-can-i-set-my-os-x-application-theme-in-code
80 if (!DarkThemeAvailable())
81 return false;
82
83 if (!NSAppearanceNameAqua || !NSAppearanceNameDarkAqua)
84 if (!RetrieveAppearanceNames())
85 return false;
86
87 // NSApplication* app = [NSApplication sharedApplication];
88 const id app = cls_send(objc_getClass("NSApplication"), sel_getUid("sharedApplication"));
89
90 // NSAppearance* appearance = [NSAppearance appearanceNamed: NSAppearanceNameDarkAqua];
91 const id appearance = cls_send(objc_getClass("NSAppearance"), sel_getUid("appearanceNamed:"), NSAppearanceNameDarkAqua);
92 if (!appearance)
93 return false;
94
95 // [app setAppearance: appearance];
96 obj_send(app, sel_getUid("setAppearance:"), appearance);
97 return true;
98 }
99
100 bool SetToLightTheme() {
101 // https://stackoverflow.com/questions/55925862/how-can-i-set-my-os-x-application-theme-in-code
102 if (!DarkThemeAvailable())
103 return false;
104
105 if (!NSAppearanceNameAqua || !NSAppearanceNameDarkAqua)
106 if (!RetrieveAppearanceNames())
107 return false;
108
109 // NSApplication* app = [NSApplication sharedApplication];
110 const id app = cls_send(objc_getClass("NSApplication"), sel_getUid("sharedApplication"));
111
112 // NSAppearance* appearance = [NSAppearance appearanceNamed: NSAppearanceNameDarkAqua];
113 const id appearance = cls_send(objc_getClass("NSAppearance"), sel_getUid("appearanceNamed:"), NSAppearanceNameAqua);
114 if (!appearance)
115 return false;
116
117 // [app setAppearance: appearance];
118 obj_send(app, sel_getUid("setAppearance:"), appearance);
119 return true;
120 }
121
122 void SetToAutoTheme() {
123 if (!DarkThemeAvailable())
124 return;
125
126 // NSApplication* app = [NSApplication sharedApplication];
127 const id app = cls_send(objc_getClass("NSApplication"), sel_getUid("sharedApplication"));
128
129 // [app setAppearance: null];
130 obj_send(app, sel_getUid("setAppearance:"), nullptr);
131 }
132
133 } // namespace osx