window: Moving around directories

1 files changed, 105 insertions, 0 deletions

diff --git a/modules/window/c++/xcb.h b/modules/window/c++/xcb.h
new file mode 100644
index 0000000..a2a9b0b
--- /dev/null
+++ b/modules/window/c++/xcb.h
@@ -0,0 +1,105 @@
+#pragma once
+
+#ifndef SAW_UNIX_XCB
+#error "XCB is not supported"
+#endif
+
+#include "backends.h"
+#include "device.h"
+#include "window.h"
+
+#include <map>
+
+#include <X11/Xlib-xcb.h>
+#include <X11/Xlib.h>
+
+namespace saw {
+namespace gfx {
+template<typename T>
+class window;
+
+template<typename T>
+class device;
+
+template<>
+class device<backend::linux_xcb> final {
+private:
+	::Display *display_;
+	int screen_;
+
+	xcb_connection_t *xcb_connection_;
+	xcb_screen_t *xcb_screen_;
+
+	own<input_stream> async_notifier_;
+	conveyor_sink async_conveyor_;
+
+	std::map<xcb_window_t, window<backend::linux_xcb> *> windows_;
+
+	std::vector<xcb_generic_event_t *> pending_events_;
+
+	friend class window<backend::linux_xcb>;
+public:
+	own<window<backend::linux_xcb>> create_xcb_window(const video_mode& vid_mod, std::string_view title_view, int visual_id);
+	void xcb_window_was_destroyed(xcb_window_t window_id);
+public:
+	device(::Display *display, int screen, xcb_connection_t *xcb_connection,
+			xcb_screen_t *xcb_screen, own<input_stream> && an);
+
+	~device();
+
+	void handle_events();
+
+	own<window<backend::linux_xcb>> create_window(const video_mode& vid_mod, std::string_view title_view);
+
+	void flush();
+
+	// XCB specific info for other classes
+	::Display* get_xcb_display() {
+		return display_;
+	}
+
+	int get_xcb_screen() const {
+		return screen_;
+	}
+};
+
+error_or<own<device<backend::linux_xcb>>> create_xcb_device(io_provider& provider);
+
+template<>
+class window<backend::linux_xcb> final {
+private:
+	device<backend::linux_xcb> *device_;
+
+	xcb_window_t xcb_window_;
+	xcb_colormap_t xcb_colormap_;
+
+	video_mode video_mode_;
+	std::string window_title_;
+
+	own<conveyor_feeder<data<schema::WindowEvents>>> event_feeder = nullptr;
+public:
+	window(device<backend::linux_xcb>& dev_, xcb_window_t xcb_win, xcb_colormap_t xcb_colormap_, const video_mode& vid_mode_, const std::string_view& title_view_);
+
+	~window();
+
+	void show();
+	void hide();
+
+	const video_mode& get_video_mode() const;
+
+	const std::string_view get_title() const;
+
+	void resize(uint64_t width, uint64_t height);
+
+	conveyor<data<schema::WindowEvents>> on_event();
+
+	void resize_event(uint64_t x, uint64_t y, uint64_t width, uint64_t height);
+	void mouse_event(int16_t x, int16_t y, uint16_t state, bool pressed);
+	void mouse_move_event(int16_t x, int16_t y);
+	void keyboard_event(int16_t x, int16_t y, uint32_t keycode, bool pressed, bool repeat);
+
+	// XCB specific things
+	xcb_window_t get_xcb_window_handle() const;
+};
+}
+}