Complete rewrite using C++ and with shared state support

1 files changed, 57 insertions, 0 deletions

diff --git a/src/xcb_colors.hh b/src/xcb_colors.hh
new file mode 100644
index 0000000..4db2b93
--- /dev/null
+++ b/src/xcb_colors.hh
@@ -0,0 +1,57 @@
+#ifndef XCB_COLORS_HH
+#define XCB_COLORS_HH
+
+#include "xcb_connection.hh"
+
+#include <memory>
+
+namespace xcb {
+
+class Colors {
+protected:
+  class Storage;
+
+public:
+  virtual ~Colors() = default;
+
+  class Color {
+  public:
+    uint32_t get() {
+      return colors_->get(id_);
+    }
+
+    Color(std::shared_ptr<Storage> colors, size_t id)
+      : colors_(colors), id_(id) {}
+
+  private:
+    std::shared_ptr<Storage> colors_;
+    size_t id_;
+  };
+
+  virtual Color get_with_fallback(uint8_t r, uint8_t g, uint8_t b,
+                                  uint32_t fallback) = 0;
+
+  virtual bool sync() = 0;
+
+  static std::unique_ptr<Colors> create(shared_conn conn,
+                                        xcb_colormap_t colormap);
+
+protected:
+  Colors() = default;
+  Colors(Colors const&) = delete;
+  Colors& operator=(Colors const&) = delete;
+
+  class Storage {
+  public:
+    virtual ~Storage() = default;
+
+    virtual uint32_t get(size_t id) const = 0;
+
+  protected:
+    Storage() = default;
+  };
+};
+
+}  // namespace xcb
+
+#endif  // XCB_COLORS_HH