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1 files changed, 76 insertions, 0 deletions

diff --git a/somebar/src/common.hpp b/somebar/src/common.hpp
new file mode 100644
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--- /dev/null
+++ b/somebar/src/common.hpp
@@ -0,0 +1,76 @@
+// somebar - dwl bar
+// See LICENSE file for copyright and license details.
+
+#pragma once
+#include <memory>
+#include <string>
+#include <vector>
+#include <wayland-client.h>
+#include <linux/input-event-codes.h>
+#include <cairo/cairo.h>
+#include <pango/pango.h>
+#include "wlr-layer-shell-unstable-v1-client-protocol.h"
+
+struct Color {
+	Color() {}
+	constexpr Color(uint8_t r, uint8_t g, uint8_t b, uint8_t a=255) : r(r), g(g), b(b), a(a) { }
+	uint8_t r, g, b, a {255};
+};
+struct ColorScheme {
+	Color fg, bg;
+};
+union Arg {
+	unsigned int ui;
+	const void* v;
+};
+struct Monitor;
+
+enum TagState { None, Active = 0x01, Urgent = 0x02 };
+enum Control { ClkNone, ClkTagBar, ClkLayoutSymbol, ClkWinTitle, ClkStatusText };
+struct Button {
+	int control;
+	int btn; // <linux/input-event-codes.h>
+	void (*func)(Monitor& mon, const Arg& arg);
+	const Arg arg;
+};
+
+extern wl_display* display;
+extern wl_compositor* compositor;
+extern wl_shm* shm;
+extern zwlr_layer_shell_v1* wlrLayerShell;
+
+void spawn(Monitor&, const Arg& arg);
+void setCloexec(int fd);
+[[noreturn]] void die(const char* why);
+[[noreturn]] void diesys(const char* why);
+
+// wayland smart pointers
+template<typename T>
+struct WlDeleter;
+#define WL_DELETER(type, fn) template<> struct WlDeleter<type> { \
+	void operator()(type* v) { if(v) fn(v); } \
+	}
+
+template<typename T>
+using wl_unique_ptr = std::unique_ptr<T, WlDeleter<T>>;
+
+inline void wl_output_release_checked(wl_output* output) {
+	if (wl_output_get_version(output) >= WL_OUTPUT_RELEASE_SINCE_VERSION) {
+		wl_output_release(output);
+	}
+}
+
+WL_DELETER(wl_buffer, wl_buffer_destroy);
+WL_DELETER(wl_output, wl_output_release_checked);
+WL_DELETER(wl_pointer, wl_pointer_release);
+WL_DELETER(wl_seat, wl_seat_release);
+WL_DELETER(wl_surface, wl_surface_destroy);
+WL_DELETER(zwlr_layer_surface_v1, zwlr_layer_surface_v1_destroy);
+
+WL_DELETER(cairo_t, cairo_destroy);
+WL_DELETER(cairo_surface_t, cairo_surface_destroy);
+
+WL_DELETER(PangoContext, g_object_unref);
+WL_DELETER(PangoLayout, g_object_unref);
+
+#undef WL_DELETER