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annotate src/sys/glib/dark_theme.cc @ 250:c130f47f6f48

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*: many many changes e.g. the search page is actually implemented now!
author Paper <paper@paper.us.eu.org>
date Sun, 04 Feb 2024 21:17:17 -0500
parents 4d461ef7d424
children 862d0d8619f6
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1 #include <gio/gio.h>
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2 #include <cstring>
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3 #include <string_view>
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5 namespace glib {
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7 bool IsInDarkTheme() {
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8 bool success = false;
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9
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10 GSettings* settings = ::g_settings_new("org.gnome.desktop.interface");
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11 if (!settings)
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12 return false;
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13
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14 GVariant* val = ::g_settings_get_value(settings, "color-scheme");
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15 if (!val)
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16 return false;
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18 const gchar* str;
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19 ::g_variant_get(val, "&s", &str); /* should not be freed */
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20 if (!str) /* how */
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21 return false;
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22
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23 success |= !std::strcmp(str, "prefer-dark");
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24
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25 ::g_variant_unref(val);
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27 if (success) {
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28 ::g_object_unref(settings);
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29 return success;
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30 }
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32 GVariant* gtk_theme = ::g_settings_get_value(settings, "gtk-theme");
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33 if (!gtk_theme)
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34 return false;
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36 const gchar* gtk_theme_str;
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37 ::g_variant_get(gtk_theme, "&s", gtk_theme_str);
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38 if (!gtk_theme_str)
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39 return false;
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41 static constexpr std::string_view suffix = "-dark";
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43 size_t gtk_theme_len = strlen(gtk_theme_str);
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45 success |= !std::strncmp(gtk_theme_str + gtk_theme_len - suffix.length(), suffix.data(), suffix.length());
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47 ::g_object_unref(settings);
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48 return success;
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49 }
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51 }