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46
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1 #include <QApplication>
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2 #include <QFile>
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3 #include <QTextStream>
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4 #include "core/config.h"
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5 #include "core/session.h"
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6 #ifdef MACOSX
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7 # include "sys/osx/dark_theme.h"
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8 #else
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9 # include "sys/win32/dark_theme.h"
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10 #endif
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11
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12 namespace DarkTheme {
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13
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14 bool IsInDarkMode() {
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15 if (session.config.theme != Themes::OS)
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16 return (session.config.theme == Themes::DARK);
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17 #ifdef MACOSX
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18 if (osx::DarkThemeAvailable()) {
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19 if (osx::IsInDarkTheme()) {
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20 return true;
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21 } else {
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22 return false;
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23 }
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24 }
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25 #elif defined(WIN32)
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26 if (win32::DarkThemeAvailable()) {
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27 if (win32::IsInDarkTheme()) {
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28 return true;
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29 } else {
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30 return false;
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31 }
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32 }
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33 #endif
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34 return (session.config.theme == Themes::DARK);
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35 }
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36
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37 /* this function is private, and should stay that way */
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38 void SetStyleSheet(enum Themes theme) {
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39 switch (theme) {
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40 case Themes::DARK: {
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41 QFile f(":qdarkstyle/dark/darkstyle.qss");
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42 if (!f.exists())
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43 return; // fail
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44 f.open(QFile::ReadOnly | QFile::Text);
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45 QTextStream ts(&f);
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46 qApp->setStyleSheet(ts.readAll());
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47 break;
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48 }
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49 default: qApp->setStyleSheet(""); break;
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50 }
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51 }
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52
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53 void SetToDarkTheme() {
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54 /* macOS >= 10.14 has its own global dark theme,
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55 use it :) */
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56 #if MACOSX
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57 if (osx::DarkThemeAvailable())
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58 osx::SetToDarkTheme();
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59 else
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60 #endif
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61 SetStyleSheet(Themes::DARK);
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62 }
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63
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64 void SetToLightTheme() {
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65 #if MACOSX
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66 if (osx::DarkThemeAvailable())
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67 osx::SetToLightTheme();
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68 else
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69 #endif
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62
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70 SetStyleSheet(Themes::LIGHT);
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46
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71 }
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72
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73 enum Themes GetCurrentOSTheme() {
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74 #if MACOSX
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75 if (osx::DarkThemeAvailable())
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76 return osx::IsInDarkTheme() ? Themes::DARK : Themes::LIGHT;
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77 #elif defined(WIN32)
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78 if (win32::DarkThemeAvailable())
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79 return win32::IsInDarkTheme() ? Themes::DARK : Themes::LIGHT;
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80 #endif
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81 /* Currently OS detection only supports Windows and macOS.
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82 Please don't be shy if you're willing to port it to other OSes
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83 (or desktop environments, or window managers) */
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84 return Themes::LIGHT;
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85 }
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86
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87 void SetTheme(enum Themes theme) {
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88 switch (theme) {
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89 case Themes::LIGHT: SetToLightTheme(); break;
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90 case Themes::DARK: SetToDarkTheme(); break;
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91 case Themes::OS:
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92 if (GetCurrentOSTheme() == Themes::LIGHT)
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93 SetToLightTheme();
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94 else
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95 SetToDarkTheme();
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96 break;
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97 }
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98 }
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99
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100 } // namespace DarkTheme
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