/*
 * Copyright © 2008 Kristian Høgsberg
 *
 * Permission to use, copy, modify, distribute, and sell this software and its
 * documentation for any purpose is hereby granted without fee, provided that
 * the above copyright notice appear in all copies and that both that copyright
 * notice and this permission notice appear in supporting documentation, and
 * that the name of the copyright holders not be used in advertising or
 * publicity pertaining to distribution of the software without specific,
 * written prior permission.  The copyright holders make no representations
 * about the suitability of this software for any purpose.  It is provided "as
 * is" without express or implied warranty.
 *
 * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
 * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
 * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY SPECIAL, INDIRECT OR
 * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
 * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
 * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
 * OF THIS SOFTWARE.
 */

#ifndef _WINDOW_H_
#define _WINDOW_H_

#include <glib.h>
#include <wayland-client.h>

struct window;

struct rectangle {
	int32_t x;
	int32_t y;
	int32_t width;
	int32_t height;
};

struct display;
struct input;

struct display *
display_create(int *argc, char **argv[], const GOptionEntry *option_entries);

struct wl_display *
display_get_display(struct display *display);

struct wl_compositor *
display_get_compositor(struct display *display);

#ifdef EGL_NO_DISPLAY
EGLDisplay
display_get_egl_display(struct display *d);

#ifdef HAVE_CAIRO_EGL
EGLImageKHR
display_get_image_for_drm_surface(struct display *display,
				  cairo_surface_t *surface);
#endif
#endif

cairo_surface_t *
display_create_surface(struct display *display,
		       struct rectangle *rectangle);

struct wl_buffer *
display_get_buffer_for_surface(struct display *display,
			       cairo_surface_t *surface);

cairo_surface_t *
display_get_pointer_surface(struct display *display, int pointer,
			    int *width, int *height,
			    int *hotspot_x, int *hotspot_y);

void
display_add_drag_listener(struct display *display,
			  const struct wl_drag_listener *drag_listener,
			  void *data);

void
display_flush_cairo_device(struct display *display);

void
display_run(struct display *d);

enum {
	WINDOW_MODIFIER_SHIFT = 0x01,
	WINDOW_MODIFIER_LOCK = 0x02,
	WINDOW_MODIFIER_CONTROL = 0x04,
	WINDOW_MODIFIER_ALT = 0x08,
	WINDOW_MODIFIER_MOD2 = 0x10,
};

enum pointer_type {
	POINTER_BOTTOM_LEFT,
	POINTER_BOTTOM_RIGHT,
	POINTER_BOTTOM,
	POINTER_DRAGGING,
	POINTER_LEFT_PTR,
	POINTER_LEFT,
	POINTER_RIGHT,
	POINTER_TOP_LEFT,
	POINTER_TOP_RIGHT,
	POINTER_TOP,
	POINTER_IBEAM,
	POINTER_HAND1,
};

typedef void (*window_resize_handler_t)(struct window *window,
					int32_t width, int32_t height,
					void *data);
typedef void (*window_redraw_handler_t)(struct window *window, void *data);
typedef void (*window_frame_handler_t)(struct window *window, uint32_t frame, uint32_t timestamp, void *data);
typedef void (*window_key_handler_t)(struct window *window, uint32_t key, uint32_t unicode,
				     uint32_t state, uint32_t modifiers, void *data);
typedef void (*window_keyboard_focus_handler_t)(struct window *window,
						struct input *device, void *data);

typedef void (*window_button_handler_t)(struct window *window,
					struct input *input, uint32_t time,
					int button, int state, void *data);

typedef int (*window_motion_handler_t)(struct window *window,
				       struct input *input, uint32_t time,
				       int32_t x, int32_t y,
				       int32_t sx, int32_t sy, void *data);

typedef void (*display_global_handler_t)(struct display *display,
					 const char *interface,
					 uint32_t id,
					 uint32_t version);

struct window *
window_create(struct display *display, const char *title,
	      int32_t width, int32_t height);

void
window_move(struct window *window, struct input *input, uint32_t time);

void
window_draw(struct window *window);
void
window_get_child_allocation(struct window *window,
			    struct rectangle *allocation);
void
window_set_child_size(struct window *window, int32_t width, int32_t height);
void
window_copy_image(struct window *window,
		  struct rectangle *rectangle,
		  void *image);
void
window_schedule_redraw(struct window *window);

void
window_damage(struct window *window, int32_t x, int32_t y,
	      int32_t width, int32_t height);

cairo_surface_t *
window_get_surface(struct window *window);

void
window_copy_surface(struct window *window,
		    struct rectangle *rectangle,
		    cairo_surface_t *surface);

void
window_flush(struct window *window);

void
window_set_surface(struct window *window, cairo_surface_t *surface);

void
window_create_surface(struct window *window);

enum window_buffer_type {
	WINDOW_BUFFER_TYPE_DRM,
	WINDOW_BUFFER_TYPE_SHM,
};

void
window_set_buffer_type(struct window *window, enum window_buffer_type type);

void
window_set_fullscreen(struct window *window, int fullscreen);

void
window_set_user_data(struct window *window, void *data);

void *
window_get_user_data(struct window *window);

void
window_set_redraw_handler(struct window *window,
			  window_redraw_handler_t handler);

void
window_set_decoration(struct window *window, int decoration);

void
window_set_resize_handler(struct window *window,
			  window_resize_handler_t handler);
void
window_set_frame_handler(struct window *window,
			 window_frame_handler_t handler);

void
window_set_key_handler(struct window *window,
		       window_key_handler_t handler);

void
window_set_button_handler(struct window *window,
			  window_button_handler_t handler);

void
window_set_motion_handler(struct window *window,
			  window_motion_handler_t handler);

void
window_set_keyboard_focus_handler(struct window *window,
				  window_keyboard_focus_handler_t handler);

void
window_set_frame_handler(struct window *window,
			 window_frame_handler_t handler);

void
display_set_global_handler(struct display *display,
			   display_global_handler_t handler);

struct wl_drag *
window_create_drag(struct window *window);

void
window_activate_drag(struct wl_drag *drag, struct window *window,
		     struct input *input, uint32_t time);

void
input_get_position(struct input *input, int32_t *x, int32_t *y);

struct wl_input_device *
input_get_input_device(struct input *input);

#endif