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annotate src/sys/glib/dark_theme.cc @ 411:02a670a8e1c4

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*: fix build fails
author Paper <paper@tflc.us>
date Sat, 25 Jul 2026 14:22:44 -0400
parents df4a027623d0
children
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1 #include "sys/glib/dark_theme.h"
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2 #include "core/strings.h"
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3
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4 #include <array>
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5 #include <cstring>
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6 #include <memory>
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7 #include <string_view>
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8
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9 #ifdef __GNUC__
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10 /* Shut up */
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11 # pragma GCC diagnostic push
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12 # pragma GCC diagnostic ignored "-Wold-style-cast"
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13 #endif
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14 #include <gio/gio.h>
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15 #ifdef __GNUC__
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16 # pragma GCC diagnostic pop
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17 #endif
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18
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19 namespace glib {
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20
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21 /* deleters */
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22 template<typename T>
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23 struct g_object_del {
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24 void operator()(T *p) const { ::g_object_unref(p); };
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25 };
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27 template<typename T>
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28 struct g_variant_del {
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29 void operator()(T *p) const { ::g_variant_unref(p); };
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30 };
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32 template<typename T>
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33 struct g_malloc_del {
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34 void operator()(T *p) const { (::g_free)(p); };
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35 };
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37 template<typename T>
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38 using GObjectPtr = std::unique_ptr<T, g_object_del<T>>;
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40 template<typename T>
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41 using GVariantPtr = std::unique_ptr<T, g_variant_del<T>>;
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43 template<typename T>
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44 using GMallocPtr = std::unique_ptr<T, g_malloc_del<T>>;
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45
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46 bool IsInDarkTheme()
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47 {
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48 GObjectPtr<GSettings> settings(::g_settings_new("org.gnome.desktop.interface"));
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49 if (!settings)
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50 return false;
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52 {
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53 /* first attempt to get the colorscheme */
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54 GVariantPtr<GVariant> val(::g_settings_get_value(settings.get(), "color-scheme"));
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55 if (!val)
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56 return false;
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58 /* this is free'd upon deconstruction of the GVariantPtr */
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59 gsize size;
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60 const gchar *str = ::g_variant_get_string(val.get(), &size);
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61 if (!str)
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62 return false;
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64 bool success = !std::strncmp(str, "prefer-dark", size);
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66 if (success)
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67 return true;
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68 }
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70 {
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72 GVariantPtr<GVariant> gtk_theme(::g_settings_get_value(settings.get(), "gtk-theme"));
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73 if (!gtk_theme)
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74 return false;
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76 gsize size;
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77 const gchar *str = ::g_variant_get_string(gtk_theme.get(), &size);
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78 if (!str)
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79 return false;
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80
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81 if (Strings::IsGTKThemeDark({str, size}))
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82 return true;
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83 }
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84
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85 /* welp, we tried */
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86 return false;
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87 }
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89 } // namespace glib