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annotate src/sys/osx/dark_theme.cc @ 195:975a3f0965e2

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locale: only attempt loading locales after QApplication is init'd also the general application stuff and anime list is separated in settings
author Paper <mrpapersonic@gmail.com>
date Thu, 07 Dec 2023 11:14:01 -0500
parents 8548dc425697
children f0ff06a45c42
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1 #include "sys/osx/dark_theme.h"
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2
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3 #include <objc/runtime.h>
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4 #include <objc/message.h>
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5
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6 #include <CoreFoundation/CoreFoundation.h>
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7
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8 #include <QOperatingSystemVersion>
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9
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10 namespace osx {
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11
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12 typedef id (*object_message_send)(id, SEL, ...);
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13 typedef id (*class_message_send)(Class, SEL, ...);
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14
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15 static const object_message_send obj_send = reinterpret_cast<object_message_send>(objc_msgSend);
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16 static const class_message_send cls_send = reinterpret_cast<class_message_send>(objc_msgSend);
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17
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18 static CFStringRef NSAppearanceNameAqua = nullptr;
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19 static CFStringRef NSAppearanceNameDarkAqua = nullptr;
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20
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21 static const CFStringRef kAppKitBundleID = CFSTR("com.apple.AppKit");
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22
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23 bool RetrieveAppearanceNames() {
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24 CFBundleRef appkit_bundle = CFBundleGetBundleWithIdentifier(kAppKitBundleID);
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25 if (!appkit_bundle)
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26 return false;
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27
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28 NSAppearanceNameAqua = *reinterpret_cast<CFStringRef*>(CFBundleGetDataPointerForName(appkit_bundle, CFSTR("NSAppearanceNameAqua")));
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29 if (!NSAppearanceNameAqua)
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30 return false;
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31
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32 NSAppearanceNameDarkAqua = *reinterpret_cast<CFStringRef*>(CFBundleGetDataPointerForName(appkit_bundle, CFSTR("NSAppearanceNameDarkAqua")));
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33 if (!NSAppearanceNameDarkAqua)
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34 return false;
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35
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36 return true;
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37 }
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38
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39 bool DarkThemeAvailable() {
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40 return (QOperatingSystemVersion::current() >= QOperatingSystemVersion::MacOSMojave);
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41 }
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42
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43 bool IsInDarkTheme() {
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44 if (!DarkThemeAvailable())
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45 return false;
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46
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47 if (!NSAppearanceNameAqua || !NSAppearanceNameDarkAqua)
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48 if (!RetrieveAppearanceNames())
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49 return false;
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50
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51 CFArrayRef array = []() -> CFArrayRef {
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52 CFStringRef refs[] = {NSAppearanceNameAqua, NSAppearanceNameDarkAqua};
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53 return CFArrayCreate(NULL, reinterpret_cast<const void**>(refs), 2, &kCFTypeArrayCallBacks);
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54 }();
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55
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56 // NSApplication* app = [NSApplication sharedApplication];
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57 const id app = cls_send(objc_getClass("NSApplication"), sel_getUid("sharedApplication"));
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58
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59 // NSAppearance* effectiveAppearance = [app effectiveAppearance];
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60 const id effectiveAppearance = obj_send(app, sel_getUid("effectiveAppearance"));
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61 if (!effectiveAppearance) {
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62 CFRelease(array);
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63 return false;
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64 }
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65
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66 // NSAppearance* appearance = [effectiveAppearance bestMatchFromAppearancesWithNames: array];
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67 const id appearance = obj_send(effectiveAppearance, sel_getUid("bestMatchFromAppearancesWithNames:"), array);
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68
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69 CFRelease(array);
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70
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71 if (!appearance)
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72 return false;
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73
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74 return CFEqual(appearance, NSAppearanceNameDarkAqua);
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75 }
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76
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77 bool SetToDarkTheme() {
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78 // https://stackoverflow.com/questions/55925862/how-can-i-set-my-os-x-application-theme-in-code
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79 if (!DarkThemeAvailable())
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80 return false;
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81
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82 if (!NSAppearanceNameAqua || !NSAppearanceNameDarkAqua)
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83 if (!RetrieveAppearanceNames())
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84 return false;
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85
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86 // NSApplication* app = [NSApplication sharedApplication];
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87 const id app = cls_send(objc_getClass("NSApplication"), sel_getUid("sharedApplication"));
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88
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89 // NSAppearance* appearance = [NSAppearance appearanceNamed: NSAppearanceNameDarkAqua];
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90 const id appearance = cls_send(objc_getClass("NSAppearance"), sel_getUid("appearanceNamed:"), NSAppearanceNameDarkAqua);
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91 if (!appearance)
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92 return false;
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93
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94 // [app setAppearance: appearance];
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95 obj_send(app, sel_getUid("setAppearance:"), appearance);
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96 return true;
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97 }
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98
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99 bool SetToLightTheme() {
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100 // https://stackoverflow.com/questions/55925862/how-can-i-set-my-os-x-application-theme-in-code
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101 if (!DarkThemeAvailable())
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102 return false;
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103
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104 if (!NSAppearanceNameAqua || !NSAppearanceNameDarkAqua)
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105 if (!RetrieveAppearanceNames())
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106 return false;
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107
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108 // NSApplication* app = [NSApplication sharedApplication];
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109 const id app = cls_send(objc_getClass("NSApplication"), sel_getUid("sharedApplication"));
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110
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111 // NSAppearance* appearance = [NSAppearance appearanceNamed: NSAppearanceNameDarkAqua];
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112 const id appearance = cls_send(objc_getClass("NSAppearance"), sel_getUid("appearanceNamed:"), NSAppearanceNameAqua);
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113 if (!appearance)
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114 return false;
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115
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116 // [app setAppearance: appearance];
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117 obj_send(app, sel_getUid("setAppearance:"), appearance);
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118 return true;
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119 }
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120
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121 void SetToAutoTheme() {
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122 if (!DarkThemeAvailable())
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123 return;
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124
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125 // NSApplication* app = [NSApplication sharedApplication];
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126 const id app = cls_send(objc_getClass("NSApplication"), sel_getUid("sharedApplication"));
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127
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128 // [app setAppearance: null];
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129 obj_send(app, sel_getUid("setAppearance:"), nullptr);
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130 }
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131
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132 } // namespace osx