26 lines
1.1 KiB
C++
26 lines
1.1 KiB
C++
#include "util/gtk_icon.hpp"
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/* We need a global mutex for accessing the object returned by Gtk::IconTheme::get_default()
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* because it always returns the same object across different threads, and concurrent
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* access can cause data corruption and lead to invalid memory access and crashes.
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* Even concurrent calls that seem read only such as has_icon can cause issues because
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* the GTK lib may update the internal icon cache on this calls.
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*/
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std::mutex DefaultGtkIconThemeWrapper::default_theme_mutex;
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bool DefaultGtkIconThemeWrapper::has_icon(const std::string& value) {
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const std::lock_guard<std::mutex> lock(default_theme_mutex);
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return Gtk::IconTheme::get_default()->has_icon(value);
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}
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Glib::RefPtr<Gdk::Pixbuf> DefaultGtkIconThemeWrapper::load_icon(const char* name, int tmp_size,
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Gtk::IconLookupFlags flags) {
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const std::lock_guard<std::mutex> lock(default_theme_mutex);
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auto default_theme = Gtk::IconTheme::get_default();
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default_theme->rescan_if_needed();
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return default_theme->load_icon(name, tmp_size, flags);
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}
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