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toaruos/userspace/lib/yutani.h
Kevin Lange 5ad013594a Several improvements to window resizing 
- Supports directional resizing, including restricted left/right/up/down
- Decoration-initiated resizing is now supported
  - Details of how the decorator determines up-restricted resizing
    still need some work.
- Corrected issues when attempting to resize to the other side of the
  origin.
- Corrected some other compositor issues.
2015-07-17 22:54:10 +09:00

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#ifndef _YUTANI_H
#define _YUTANI_H
#include <stdio.h>
#include <stdint.h>
#include "hashmap.h"
#include "graphics.h"
#include "kbd.h"
#include "mouse.h"
#include "list.h"
#define YUTANI_SHMKEY(server_ident,buf,sz,win) snprintf(buf, sz, "sys.%s.%d", server_ident, win->bufid);
#define YUTANI_SHMKEY_EXP(server_ident,buf,sz,bufid) snprintf(buf, sz, "sys.%s.%d", server_ident, bufid);
typedef unsigned int yutani_wid_t;
typedef enum {
SCALE_AUTO,
SCALE_UP,
SCALE_DOWN,
SCALE_LEFT,
SCALE_RIGHT,
SCALE_UP_LEFT,
SCALE_UP_RIGHT,
SCALE_DOWN_LEFT,
SCALE_DOWN_RIGHT,
SCALE_NONE,
} yutani_scale_direction_t;
typedef struct yutani_context {
FILE * sock;
/* XXX list of displays? */
/* XXX display struct with more information? */
size_t display_width;
size_t display_height;
hashmap_t * windows;
list_t * queued;
char * server_ident;
} yutani_t;
typedef struct yutani_message {
uint32_t magic;
uint32_t type;
uint32_t size;
char data[];
} yutani_msg_t;
struct yutani_msg_welcome {
uint32_t display_width;
uint32_t display_height;
};
struct yutani_msg_flip {
yutani_wid_t wid;
};
struct yutani_msg_window_close {
yutani_wid_t wid;
};
struct yutani_msg_window_new {
uint32_t width;
uint32_t height;
};
struct yutani_msg_window_init {
yutani_wid_t wid;
uint32_t width;
uint32_t height;
uint32_t bufid;
};
struct yutani_msg_window_move {
yutani_wid_t wid;
int32_t x;
int32_t y;
};
struct yutani_msg_key_event {
yutani_wid_t wid;
key_event_t event;
key_event_state_t state;
};
struct yutani_msg_window_stack {
yutani_wid_t wid;
int z;
};
struct yutani_msg_window_focus_change {
yutani_wid_t wid;
int focused;
};
struct yutani_msg_window_mouse_event {
yutani_wid_t wid;
int32_t new_x;
int32_t new_y;
int32_t old_x;
int32_t old_y;
uint8_t buttons;
uint8_t command;
};
struct yutani_msg_mouse_event {
yutani_wid_t wid;
mouse_device_packet_t event;
int32_t type;
};
struct yutani_msg_flip_region {
yutani_wid_t wid;
int32_t x;
int32_t y;
int32_t width;
int32_t height;
};
struct yutani_msg_window_resize {
yutani_wid_t wid;
uint32_t width;
uint32_t height;
uint32_t bufid;
};
struct yutani_msg_window_advertise {
yutani_wid_t wid;
uint32_t flags; /* Types, focused, etc. */
uint16_t offsets[5]; /* Name, Icon, and three reserved slots */
uint32_t size;
char strings[];
};
struct yutani_msg_window_focus {
yutani_wid_t wid;
};
struct yutani_msg_key_bind {
kbd_key_t key;
kbd_mod_t modifiers;
int response;
};
struct yutani_msg_window_drag_start {
yutani_wid_t wid;
};
struct yutani_msg_window_update_shape {
yutani_wid_t wid;
int set_shape;
};
struct yutani_msg_window_warp_mouse {
yutani_wid_t wid;
int32_t x;
int32_t y;
};
struct yutani_msg_window_show_mouse {
yutani_wid_t wid;
int32_t show_mouse;
};
struct yutani_msg_window_resize_start {
yutani_wid_t wid;
yutani_scale_direction_t direction;
};
typedef struct yutani_window {
yutani_wid_t wid;
uint32_t width;
uint32_t height;
uint8_t * buffer;
uint32_t bufid;/* We occasionally replace the buffer; each is uniquely-indexed */
uint8_t focused;
uint32_t oldbufid;
} yutani_window_t;
/* Magic value */
#define YUTANI_MSG__MAGIC 0xABAD1DEA
/* Client messages */
#define YUTANI_MSG_HELLO 0x00000001
#define YUTANI_MSG_WINDOW_NEW 0x00000002
#define YUTANI_MSG_FLIP 0x00000003
#define YUTANI_MSG_KEY_EVENT 0x00000004
#define YUTANI_MSG_MOUSE_EVENT 0x00000005
#define YUTANI_MSG_WINDOW_MOVE 0x00000006
#define YUTANI_MSG_WINDOW_CLOSE 0x00000007
#define YUTANI_MSG_WINDOW_SHOW 0x00000008
#define YUTANI_MSG_WINDOW_HIDE 0x00000009
#define YUTANI_MSG_WINDOW_STACK 0x0000000A
#define YUTANI_MSG_WINDOW_FOCUS_CHANGE 0x0000000B
#define YUTANI_MSG_WINDOW_MOUSE_EVENT 0x0000000C
#define YUTANI_MSG_FLIP_REGION 0x0000000D
#define YUTANI_MSG_RESIZE_REQUEST 0x00000010
#define YUTANI_MSG_RESIZE_OFFER 0x00000011
#define YUTANI_MSG_RESIZE_ACCEPT 0x00000012
#define YUTANI_MSG_RESIZE_BUFID 0x00000013
#define YUTANI_MSG_RESIZE_DONE 0x00000014
/* Some session management / de stuff */
#define YUTANI_MSG_WINDOW_ADVERTISE 0x00000020
#define YUTANI_MSG_SUBSCRIBE 0x00000021
#define YUTANI_MSG_UNSUBSCRIBE 0x00000022
#define YUTANI_MSG_NOTIFY 0x00000023
#define YUTANI_MSG_QUERY_WINDOWS 0x00000024
#define YUTANI_MSG_WINDOW_FOCUS 0x00000025
#define YUTANI_MSG_WINDOW_DRAG_START 0x00000026
#define YUTANI_MSG_WINDOW_WARP_MOUSE 0x00000027
#define YUTANI_MSG_WINDOW_SHOW_MOUSE 0x00000028
#define YUTANI_MSG_WINDOW_RESIZE_START 0x00000029
#define YUTANI_MSG_SESSION_END 0x00000030
#define YUTANI_MSG_KEY_BIND 0x00000040
#define YUTANI_MSG_WINDOW_UPDATE_SHAPE 0x00000050
#define YUTANI_MSG_GOODBYE 0x000000F0
/* Server responses */
#define YUTANI_MSG_WELCOME 0x00010001
#define YUTANI_MSG_WINDOW_INIT 0x00010002
/*
* YUTANI_ZORDER
*
* Specifies which stack set a window should appear in.
*/
#define YUTANI_ZORDER_MAX 0xFFFF
#define YUTANI_ZORDER_TOP 0xFFFF
#define YUTANI_ZORDER_BOTTOM 0x0000
/*
* YUTANI_MOUSE_BUTTON
*
* Button specifiers. Multiple specifiers may be set.
*/
#define YUTANI_MOUSE_BUTTON_LEFT 0x01
#define YUTANI_MOUSE_BUTTON_RIGHT 0x02
#define YUTANI_MOUSE_BUTTON_MIDDLE 0x04
#define YUTANI_MOUSE_SCROLL_UP 0x10
#define YUTANI_MOUSE_SCROLL_DOWN 0x20
/*
* YUTANI_MOUSE_STATE
*
* The mouse has for effective states internally:
*
* NORMAL: The mouse is performing normally.
* MOVING: The mouse is engaged in moving a window.
* DRAGGING: The mouse is down and sending drag events.
* RESIZING: The mouse is engaged in resizing a window.
*/
#define YUTANI_MOUSE_STATE_NORMAL 0
#define YUTANI_MOUSE_STATE_MOVING 1
#define YUTANI_MOUSE_STATE_DRAGGING 2
#define YUTANI_MOUSE_STATE_RESIZING 3
/*
* YUTANI_MOUSE_EVENT
*
* Mouse events have different types.
*
* Most of these should be self-explanatory.
*
* CLICK: A down-up click has occured.
* DRAG: The mouse is down and moving.
* RAISE: A mouse button was released.
* DOWN: A mouse button has been pressed.
* MOVE: The mouse has moved without a mouse button pressed.
* LEAVE: The mouse has left the given window.
* ENTER: The mouse has entered the given window.
*/
#define YUTANI_MOUSE_EVENT_CLICK 0
#define YUTANI_MOUSE_EVENT_DRAG 1
#define YUTANI_MOUSE_EVENT_RAISE 2
#define YUTANI_MOUSE_EVENT_DOWN 3
#define YUTANI_MOUSE_EVENT_MOVE 4
#define YUTANI_MOUSE_EVENT_LEAVE 5
#define YUTANI_MOUSE_EVENT_ENTER 6
/*
* YUTANI_MOUSE_EVENT_TYPE
*
* (For mouse drivers)
*
* RELATIVE: Mouse positions are relative to the previous reported location.
* ABSOLUTE: Mouse positions are in absolute coordinates.
*/
#define YUTANI_MOUSE_EVENT_TYPE_RELATIVE 0
#define YUTANI_MOUSE_EVENT_TYPE_ABSOLUTE 1
/*
* YUTANI_BIND
*
* Used to control keyboard binding modes.
*
* PASSTHROUGH: The key event will continue to the window that would have normally received.
* STEAL: The key event will not be passed to the next window and is stolen by the bound window.
*/
#define YUTANI_BIND_PASSTHROUGH 0
#define YUTANI_BIND_STEAL 1
/*
* YUTANI_SHAPE_THRESHOLD
*
* Used with yutani_window_update_shape to set the alpha threshold for window shaping.
* All windows are shaped based on their transparency (alpha channel). The default
* mode is NONE - meaning the alpha channel is ignored.
*
* NONE: The window is always clickable, regardless of alpha transparency.
* CLEAR: Only completely clear (alpha = 0) regions will pass through.
* HALF: Threshold of 50% - alpha values below 127 will pass through. Good for most cases.
* ANY: Any amount of alpha transparency will pass through - only fully opaque regions are kept.
* PASSTHROUGH: All clicks pass through. Useful for tooltips / overlays.
*/
#define YUTANI_SHAPE_THRESHOLD_NONE 0
#define YUTANI_SHAPE_THRESHOLD_CLEAR 1
#define YUTANI_SHAPE_THRESHOLD_HALF 127
#define YUTANI_SHAPE_THRESHOLD_ANY 255
#define YUTANI_SHAPE_THRESHOLD_PASSTHROUGH 256
typedef struct {
int x;
int y;
unsigned int width;
unsigned int height;
} yutani_damage_rect_t;
yutani_msg_t * yutani_wait_for(yutani_t * y, uint32_t type);
yutani_msg_t * yutani_poll(yutani_t * y);
yutani_msg_t * yutani_poll_async(yutani_t * y);
size_t yutani_query(yutani_t * y);
yutani_msg_t * yutani_msg_build_hello(void);
yutani_msg_t * yutani_msg_build_welcome(uint32_t width, uint32_t height);
yutani_msg_t * yutani_msg_build_window_new(uint32_t width, uint32_t height);
yutani_msg_t * yutani_msg_build_window_init(yutani_wid_t wid, uint32_t width, uint32_t height, uint32_t bufid);
yutani_msg_t * yutani_msg_build_flip(yutani_wid_t);
yutani_msg_t * yutani_msg_build_key_event(yutani_wid_t wid, key_event_t * event, key_event_state_t * state);
yutani_msg_t * yutani_msg_build_mouse_event(yutani_wid_t wid, mouse_device_packet_t * event, int32_t type);
yutani_msg_t * yutani_msg_build_window_move(yutani_wid_t wid, int32_t x, int32_t y);
yutani_msg_t * yutani_msg_build_window_close(yutani_wid_t wid);
yutani_msg_t * yutani_msg_build_window_stack(yutani_wid_t wid, int z);
yutani_msg_t * yutani_msg_build_window_focus_change(yutani_wid_t wid, int focused);
yutani_msg_t * yutani_msg_build_window_mouse_event(yutani_wid_t wid, int32_t new_x, int32_t new_y, int32_t old_x, int32_t old_y, uint8_t buttons, uint8_t command);
yutani_msg_t * yutani_msg_build_window_resize(uint32_t type, yutani_wid_t wid, uint32_t width, uint32_t height, uint32_t bufid);
yutani_msg_t * yutani_msg_build_window_advertise(yutani_wid_t wid, uint32_t flags, uint16_t * offsets, size_t length, char * data);
yutani_msg_t * yutani_msg_build_subscribe(void);
yutani_msg_t * yutani_msg_build_unsubscribe(void);
yutani_msg_t * yutani_msg_build_query(void);
yutani_msg_t * yutani_msg_build_notify(void);
yutani_msg_t * yutani_msg_build_session_end(void);
yutani_msg_t * yutani_msg_build_window_focus(yutani_wid_t wid);
yutani_msg_t * yutani_msg_build_key_bind(kbd_key_t key, kbd_mod_t mod, int response);
yutani_msg_t * yutani_msg_build_window_drag_start(yutani_wid_t wid);
yutani_msg_t * yutani_msg_build_window_update_shape(yutani_wid_t wid, int set_shape);
yutani_msg_t * yutani_msg_build_window_warp_mouse(yutani_wid_t wid, int32_t x, int32_t y);
yutani_msg_t * yutani_msg_build_window_show_mouse(yutani_wid_t wid, int32_t show_mouse);
yutani_msg_t * yutani_msg_build_window_resize_start(yutani_wid_t wid, yutani_scale_direction_t direction);
int yutani_msg_send(yutani_t * y, yutani_msg_t * msg);
yutani_t * yutani_context_create(FILE * socket);
yutani_t * yutani_init(void);
yutani_window_t * yutani_window_create(yutani_t * y, int width, int height);
void yutani_flip(yutani_t * y, yutani_window_t * win);
void yutani_window_move(yutani_t * yctx, yutani_window_t * window, int x, int y);
void yutani_close(yutani_t * y, yutani_window_t * win);
void yutani_set_stack(yutani_t *, yutani_window_t *, int);
void yutani_flip_region(yutani_t *, yutani_window_t * win, int32_t x, int32_t y, int32_t width, int32_t height);
void yutani_window_resize(yutani_t * yctx, yutani_window_t * window, uint32_t width, uint32_t height);
void yutani_window_resize_offer(yutani_t * yctx, yutani_window_t * window, uint32_t width, uint32_t height);
void yutani_window_resize_accept(yutani_t * yctx, yutani_window_t * window, uint32_t width, uint32_t height);
void yutani_window_resize_done(yutani_t * yctx, yutani_window_t * window);
void yutani_window_advertise(yutani_t * yctx, yutani_window_t * window, char * name);
void yutani_window_advertise_icon(yutani_t * yctx, yutani_window_t * window, char * name, char * icon);
void yutani_subscribe_windows(yutani_t * y);
void yutani_unsubscribe_windows(yutani_t * y);
void yutani_query_windows(yutani_t * y);
void yutani_session_end(yutani_t * y);
void yutani_focus_window(yutani_t * y, yutani_wid_t wid);
void yutani_key_bind(yutani_t * yctx, kbd_key_t key, kbd_mod_t mod, int response);
void yutani_window_drag_start(yutani_t * yctx, yutani_window_t * window);
void yutani_window_update_shape(yutani_t * yctx, yutani_window_t * window, int set_shape);
void yutani_window_warp_mouse(yutani_t * yctx, yutani_window_t * window, int32_t x, int32_t y);
void yutani_window_show_mouse(yutani_t * yctx, yutani_window_t * window, int32_t show_mouse);
void yutani_window_resize_start(yutani_t * yctx, yutani_window_t * window, yutani_scale_direction_t direction);
gfx_context_t * init_graphics_yutani(yutani_window_t * window);
gfx_context_t * init_graphics_yutani_double_buffer(yutani_window_t * window);
void reinit_graphics_yutani(gfx_context_t * out, yutani_window_t * window);
#endif /* _YUTANI_H */
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