Mercurial > minori
annotate src/sys/glib/dark_theme.cc @ 259:0362f3c4534c
widgets/graph: improve drawing code
| author | Paper <paper@paper.us.eu.org> |
|---|---|
| date | Mon, 01 Apr 2024 18:11:15 -0400 |
| parents | 862d0d8619f6 |
| children | ac1451035c85 |
| rev | line source |
|---|---|
| 258 | 1 #include <cstring> |
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2 #include <gio/gio.h> |
| 250 | 3 #include <string_view> |
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4 |
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5 namespace glib { |
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6 |
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7 bool IsInDarkTheme() { |
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8 GSettings* settings = ::g_settings_new("org.gnome.desktop.interface"); |
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9 if (!settings) |
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10 return false; |
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11 |
| 258 | 12 { |
| 13 GVariant* val = ::g_settings_get_value(settings, "color-scheme"); | |
| 14 if (!val) { | |
| 15 ::g_object_unref(settings); | |
| 16 return false; | |
| 17 } | |
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18 |
| 258 | 19 const gchar* str = nullptr; |
| 20 ::g_variant_get(val, "&s", &str); /* should not be freed */ | |
| 21 if (!str) { /* how */ | |
| 22 ::g_variant_unref(val); | |
| 23 ::g_object_unref(settings); | |
| 24 return false; | |
| 25 } | |
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26 |
| 258 | 27 bool success = !std::strcmp(str, "prefer-dark"); |
| 250 | 28 |
| 258 | 29 ::g_variant_unref(val); |
| 30 | |
| 31 if (success) | |
| 32 return true; | |
| 250 | 33 } |
| 34 | |
| 258 | 35 { |
| 36 GVariant* gtk_theme = ::g_settings_get_value(settings, "gtk-theme"); | |
| 37 if (!gtk_theme) { | |
| 38 ::g_object_unref(settings); | |
| 39 return false; | |
| 40 } | |
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41 |
| 258 | 42 const gchar* gtk_theme_str = nullptr; |
| 43 ::g_variant_get(gtk_theme, "&s", gtk_theme_str); | |
| 44 if (!gtk_theme_str) { | |
| 45 ::g_variant_unref(gtk_theme); | |
| 46 ::g_object_unref(settings); | |
| 47 return false; | |
| 48 } | |
| 49 | |
| 50 static constexpr std::string_view suffix = "-dark"; | |
| 250 | 51 |
| 258 | 52 size_t gtk_theme_len = strlen(gtk_theme_str); |
| 250 | 53 |
| 258 | 54 if (gtk_theme_len < suffix.length()) { |
| 55 ::g_variant_unref(gtk_theme); | |
| 56 ::g_object_unref(settings); | |
| 57 return false; | |
| 58 } | |
| 250 | 59 |
| 258 | 60 bool success = !std::strncmp(gtk_theme_str + gtk_theme_len - suffix.length(), suffix.data(), suffix.length()); |
| 61 | |
| 62 ::g_variant_unref(gtk_theme); | |
| 63 ::g_object_unref(settings); | |
| 250 | 64 |
| 258 | 65 if (success) |
| 66 return true; | |
| 67 } | |
| 68 | |
| 69 return false; | |
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70 } |
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71 |
| 258 | 72 } // namespace glib |