Console Service
[HelenOS Services]


Files
file	console.c
file	console.h
file	gcons.c
file	gcons.h
file	screenbuffer.c
file	screenbuffer.h
Data Structures
struct	connection_t
struct	style_t
struct	keyfield_t
struct	screenbuffer_t
Defines
#define	MAX_KEYREQUESTS_BUFFERED 32
#define	NAME "CONSOLE"
#define	KERNEL_CONSOLE 11
#define	CONSOLE_COUNT 12
#define	CONSOLE_GETCHAR 1026
#define	CONSOLE_PUTCHAR 1027
#define	CONSOLE_CLEAR 1028
#define	CONSOLE_GOTO 1029
#define	CONSOLE_GETSIZE 1030
#define	CONSOLE_FLUSH 1031
#define	CONSOLE_SET_STYLE 1032
#define	CONSOLE_CURSOR_VISIBILITY 1033
#define	CONSOLE_TOP 66
#define	CONSOLE_MARGIN 6
#define	STATUS_START 110
#define	STATUS_TOP 8
#define	STATUS_SPACE 4
#define	STATUS_WIDTH 48
#define	STATUS_HEIGHT 48
#define	MAIN_COLOR 0xffffff
#define	DEFAULT_FOREGROUND 0x0
#define	DEFAULT_BACKGROUND 0xf0f0f0
Enumerations
enum	butstate { CONS_DISCONNECTED = 0, CONS_SELECTED, CONS_IDLE, CONS_HAS_DATA, CONS_KERNEL, CONS_DISCONNECTED_SEL, CONS_LAST }
Functions
static int	find_free_connection (void)
static void	clrscr (void)
static void	curs_visibility (int v)
static void	curs_goto (int row, int col)
static void	set_style (style_t *style)
static void	set_style_col (int fgcolor, int bgcolor)
static void	prtchr (char c, int row, int col)
static void	write_char (int console, char key)
static int	switch_screens (int oldpixmap)
static void	change_console (int newcons)
static void	keyboard_events (ipc_callid_t iid, ipc_call_t *icall)
static void	client_connection (ipc_callid_t iid, ipc_call_t *icall)
int	main (int argc, char *argv[])
static void	vp_switch (int vp)
static int	vp_create (unsigned int x, unsigned int y, unsigned int width, unsigned int height)
static void	clear (void)
static void	set_style (int fgcolor, int bgcolor)
static void	tran_putch (char c, int row, int col)
static void	redraw_state (int consnum)
void	gcons_change_console (int consnum)
void	gcons_notify_char (int consnum)
void	gcons_notify_disconnect (int consnum)
void	gcons_notify_connect (int consnum)
void	gcons_in_kernel (void)
static int	limit (int a, int left, int right)
void	gcons_mouse_move (int dx, int dy)
static int	gcons_find_conbut (int x, int y)
int	gcons_mouse_btn (int state)
static void	draw_pixmap (char *logo, size_t size, int x, int y)
static void	gcons_redraw_console (void)
static int	make_pixmap (char *data, int size)
static void	make_anim (void)
void	gcons_init (int phone)
void	screenbuffer_putchar (screenbuffer_t *scr, char c)
screenbuffer_t *	screenbuffer_init (screenbuffer_t *scr, int size_x, int size_y)
void	screenbuffer_clear (screenbuffer_t *scr)
void	screenbuffer_clear_line (screenbuffer_t *scr, unsigned int line)
void	screenbuffer_copy_buffer (screenbuffer_t scr, keyfield_t dest)
void	screenbuffer_goto (screenbuffer_t *scr, unsigned int x, unsigned int y)
void	screenbuffer_set_style (screenbuffer_t *scr, unsigned int fg_color, unsigned int bg_color)
static keyfield_t *	get_field_at (screenbuffer_t *scr, unsigned int x, unsigned int y)
static int	style_same (style_t s1, style_t s2)
Variables
int	active_console = 0
struct {
int phone
ipcarg_t rows
ipcarg_t cols
__u8 * fbaddress
unsigned int xres
unsigned int yres
unsigned int scanline
unsigned int pixelbytes
conv2scr_fn_t rgb2scr
conv2rgb_fn_t scr2rgb
volatile sysarg_t seconds1
volatile sysarg_t useconds
volatile sysarg_t seconds2
}	fb_info
static connection_t	connections [CONSOLE_COUNT]
static keyfield_t *	interbuffer = NULL
static int	kernel_pixmap = -1
static int	use_gcons = 0
static ipcarg_t	xres
static ipcarg_t	yres
static int	console_vp
static int	cstatus_vp [CONSOLE_COUNT]
static enum butstate	console_state [CONSOLE_COUNT]
static int	fbphone
static int	ic_pixmaps [CONS_LAST] = {-1,-1,-1,-1,-1,-1}
static int	animation = -1
static int	active_console = 0
int	mouse_x
int	mouse_y
int	btn_pressed
int	btn_x
int	btn_y
char	_binary_helenos_ppm_start [0]
int	_binary_helenos_ppm_size
char	_binary_nameic_ppm_start [0]
int	_binary_nameic_ppm_size
char	_binary_anim_1_ppm_start [0]
int	_binary_anim_1_ppm_size
char	_binary_anim_2_ppm_start [0]
int	_binary_anim_2_ppm_size
char	_binary_anim_3_ppm_start [0]
int	_binary_anim_3_ppm_size
char	_binary_anim_4_ppm_start [0]
int	_binary_anim_4_ppm_size
char	_binary_cons_selected_ppm_start [0]
int	_binary_cons_selected_ppm_size
char	_binary_cons_idle_ppm_start [0]
int	_binary_cons_idle_ppm_size
char	_binary_cons_has_data_ppm_start [0]
int	_binary_cons_has_data_ppm_size
char	_binary_cons_kernel_ppm_start [0]
int	_binary_cons_kernel_ppm_size

Define Documentation

#define MAX_KEYREQUESTS_BUFFERED 32

Definition at line 54 of file console.c.
Referenced by client_connection(), and main().

#define NAME "CONSOLE"

Definition at line 56 of file console.c.

#define KERNEL_CONSOLE 11

Definition at line 38 of file console.h.
Referenced by change_console(), gcons_change_console(), gcons_in_kernel(), gcons_notify_char(), gcons_notify_connect(), gcons_notify_disconnect(), keyboard_events(), and make_anim().

#define CONSOLE_COUNT 12

Definition at line 40 of file console.h.
Referenced by find_free_connection(), gcons_change_console(), gcons_find_conbut(), gcons_init(), gcons_redraw_console(), keyboard_events(), and main().

#define CONSOLE_GETCHAR 1026

Definition at line 42 of file console.h.
Referenced by client_connection(), and read_stdin().

#define CONSOLE_PUTCHAR 1027

Definition at line 43 of file console.h.
Referenced by client_connection(), and write_stdout().

#define CONSOLE_CLEAR 1028

Definition at line 44 of file console.h.
Referenced by client_connection().

#define CONSOLE_GOTO 1029

Definition at line 45 of file console.h.
Referenced by client_connection().

#define CONSOLE_GETSIZE 1030

Definition at line 46 of file console.h.
Referenced by client_connection().

#define CONSOLE_FLUSH 1031

Definition at line 47 of file console.h.
Referenced by client_connection().

#define CONSOLE_SET_STYLE 1032

Definition at line 48 of file console.h.
Referenced by client_connection().

#define CONSOLE_CURSOR_VISIBILITY 1033

Definition at line 49 of file console.h.
Referenced by client_connection().

#define CONSOLE_TOP 66

Definition at line 46 of file gcons.c.
Referenced by gcons_init().

#define CONSOLE_MARGIN 6

Definition at line 47 of file gcons.c.
Referenced by gcons_init().

#define STATUS_START 110

Definition at line 49 of file gcons.c.
Referenced by gcons_find_conbut(), and gcons_init().

#define STATUS_TOP 8

Definition at line 50 of file gcons.c.
Referenced by gcons_find_conbut(), and gcons_init().

#define STATUS_SPACE 4

Definition at line 51 of file gcons.c.
Referenced by gcons_find_conbut(), and gcons_init().

#define STATUS_WIDTH 48

Definition at line 52 of file gcons.c.
Referenced by gcons_find_conbut(), and gcons_init().

#define STATUS_HEIGHT 48

Definition at line 53 of file gcons.c.
Referenced by gcons_find_conbut(), and gcons_init().

#define MAIN_COLOR 0xffffff

Definition at line 55 of file gcons.c.
Referenced by gcons_redraw_console().

#define DEFAULT_FOREGROUND 0x0

default console foreground color
Definition at line 39 of file screenbuffer.h.
Referenced by change_console(), main(), and screenbuffer_init().

#define DEFAULT_BACKGROUND 0xf0f0f0

default console background color
Definition at line 40 of file screenbuffer.h.
Referenced by change_console(), main(), and screenbuffer_init().

Enumeration Type Documentation

enum butstate

Enumerator:

CONS_DISCONNECTED

CONS_SELECTED

CONS_IDLE

CONS_HAS_DATA

CONS_KERNEL

CONS_DISCONNECTED_SEL

CONS_LAST

Definition at line 60 of file gcons.c.

Function Documentation

static int find_free_connection ( void ) [static]

Find unused virtual console.
Definition at line 89 of file console.c.
References connections, and CONSOLE_COUNT.
Referenced by client_connection().

static void clrscr ( void ) [static]

Definition at line 100 of file console.c.
References async_msg, FB_CLEAR, and fb_info.
Referenced by change_console(), and main().

static void curs_visibility ( int v ) [static]

Definition at line 105 of file console.c.
References async_msg, FB_CURSOR_VISIBILITY, and fb_info.
Referenced by change_console(), and client_connection().

static void curs_goto ( int row,

int col

) [static]

Definition at line 110 of file console.c.
References async_msg_2(), FB_CURSOR_GOTO, and fb_info.
Referenced by client_connection(), and write_char().
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static void set_style ( style_t * style ) [static]

Definition at line 116 of file console.c.
References async_msg_2(), style_t::bg_color, fb_info, FB_SET_STYLE, and style_t::fg_color.
Referenced by change_console(), gcons_init(), and gcons_redraw_console().
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static void set_style_col ( int fgcolor,

int bgcolor

) [static]

Definition at line 121 of file console.c.
References async_msg_2(), fb_info, and FB_SET_STYLE.
Referenced by change_console(), client_connection(), and main().
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static void prtchr ( char c,

int row,

int col

) [static]

Definition at line 126 of file console.c.
References async_msg_3(), fb_info, and FB_PUTCHAR.
Referenced by change_console(), and write_char().
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static void write_char ( int console,

char key

) [static]

Check key and process special keys.
Definition at line 135 of file console.c.
References active_console, async_msg, connections, curs_goto(), fb_info, FB_SCROLL, screenbuffer_t::position_x, screenbuffer_t::position_y, prtchr(), connection_t::screenbuffer, screenbuffer_clear_line(), screenbuffer_putchar(), screenbuffer_t::size_x, screenbuffer_t::size_y, and screenbuffer_t::top_line.
Referenced by client_connection().
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static int switch_screens ( int oldpixmap ) [static]

Save current screen to pixmap, draw old pixmap

Parameters:

oldpixmap Old pixmap

Returns:
ID of pixmap of current screen

Definition at line 192 of file console.c.
References async_msg, async_msg_2(), async_req, FB_DROP_PIXMAP, fb_info, FB_VP2PIXMAP, FB_VP_DRAW_PIXMAP, and NULL.
Referenced by change_console(), and main().
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static void change_console ( int newcons ) [static]

Switch to new console
Definition at line 212 of file console.c.
References __SYSCALL0, active_console, async_req_2(), async_serialize_end(), async_serialize_start(), keyfield_t::character, clrscr(), connections, curs_visibility(), DEFAULT_BACKGROUND, DEFAULT_FOREGROUND, FB_DRAW_TEXT_DATA, fb_info, gcons_change_console(), gcons_in_kernel(), get_field_at(), interbuffer, KERNEL_CONSOLE, kernel_pixmap, NULL, prtchr(), connection_t::screenbuffer, set_style(), set_style_col(), screenbuffer_t::size_x, screenbuffer_t::size_y, keyfield_t::style, screenbuffer_t::style, style_same(), and switch_screens().
Referenced by keyboard_events().
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static void keyboard_events ( ipc_callid_t iid,

ipc_call_t * icall

) [static]

Handler for keyboard
Definition at line 290 of file console.c.
References active_console, async_get_call(), change_console(), connections, CONSOLE_COUNT, fifo_pop, gcons_mouse_btn(), gcons_mouse_move(), ipc_answer_fast(), KBD_MS_LEFT, KBD_MS_MOVE, KBD_PUSHCHAR, KERNEL_CONSOLE, connection_t::keybuffer, keybuffer_push(), and connection_t::keyrequest_counter.
Referenced by main().
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static void client_connection ( ipc_callid_t iid,

ipc_call_t * icall

) [static]

Default thread for new connections
Definition at line 352 of file console.c.
References active_console, async_get_call(), async_msg, async_req_2(), async_serialize_end(), async_serialize_start(), connection_t::client_phone, connections, CONSOLE_CLEAR, CONSOLE_CURSOR_VISIBILITY, CONSOLE_FLUSH, CONSOLE_GETCHAR, CONSOLE_GETSIZE, CONSOLE_GOTO, CONSOLE_PUTCHAR, CONSOLE_SET_STYLE, curs_goto(), curs_visibility(), FB_CLEAR, FB_FLUSH, fb_info, fifo_pop, fifo_push, find_free_connection(), gcons_notify_char(), gcons_notify_connect(), gcons_notify_disconnect(), ipc_answer_fast(), screenbuffer_t::is_cursor_visible, connection_t::keybuffer, keybuffer_empty(), keybuffer_pop(), connection_t::keyrequest_counter, MAX_KEYREQUESTS_BUFFERED, NULL, connection_t::screenbuffer, screenbuffer_clear(), screenbuffer_goto(), screenbuffer_set_style(), set_style_col(), connection_t::used, and write_char().
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int main ( int argc,

char * argv[]

)

Definition at line 457 of file console.c.
References async_msg_2(), async_new_connection(), async_req, async_req_2(), async_set_client_connection(), client_connection, clrscr(), connections, CONSOLE_COUNT, DEFAULT_BACKGROUND, DEFAULT_FOREGROUND, FB_FLUSH, FB_GET_CSIZE, fb_info, FB_VIEWPORT_DB, gcons_init(), ipc_connect_me_to(), ipc_connect_to_me(), kernel_pixmap, keyboard_events(), keybuffer, keybuffer_init(), connection_t::keyrequest_counter, MAX_KEYREQUESTS_BUFFERED, NULL, screenbuffer_init(), SERVICE_CONSOLE, SERVICE_KEYBOARD, SERVICE_VIDEO, set_style_col(), switch_screens(), and usleep().
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static void vp_switch ( int vp ) [static]

Definition at line 82 of file gcons.c.
References async_msg, FB_VIEWPORT_SWITCH, and fbphone.
Referenced by gcons_change_console(), gcons_in_kernel(), gcons_init(), gcons_notify_char(), gcons_notify_connect(), gcons_notify_disconnect(), gcons_redraw_console(), and redraw_state().

static int vp_create ( unsigned int x,

unsigned int y,

unsigned int width,

unsigned int height

) [static]

Create view port
Definition at line 88 of file gcons.c.
References async_req_2(), FB_VIEWPORT_CREATE, fbphone, and NULL.
Referenced by gcons_init().
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static void clear ( void ) [static]

Definition at line 96 of file gcons.c.
References async_msg, FB_CLEAR, and fbphone.
Referenced by gcons_redraw_console().

static void set_style ( int fgcolor,

int bgcolor

) [static]

Definition at line 102 of file gcons.c.
References async_msg_2(), FB_SET_STYLE, and fbphone.
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static void tran_putch ( char c,

int row,

int col

) [static]

Transparent putchar
Definition at line 108 of file gcons.c.
References async_msg_3(), FB_TRANS_PUTCHAR, and fbphone.
Referenced by redraw_state().
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static void redraw_state ( int consnum ) [static]

Redraw the button showing state of a given console
Definition at line 114 of file gcons.c.
References async_msg_2(), CONS_DISCONNECTED, CONS_DISCONNECTED_SEL, CONS_KERNEL, console_state, cstatus_vp, FB_VP_DRAW_PIXMAP, fbphone, ic_pixmaps, snprintf(), tran_putch(), and vp_switch().
Referenced by gcons_change_console(), gcons_in_kernel(), gcons_notify_char(), gcons_notify_connect(), gcons_notify_disconnect(), and gcons_redraw_console().
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void gcons_change_console ( int consnum )

Notification run on changing console (except kernel console)
Definition at line 132 of file gcons.c.
References active_console, animation, async_msg, CONS_DISCONNECTED, CONS_DISCONNECTED_SEL, CONS_IDLE, CONS_SELECTED, CONSOLE_COUNT, console_state, console_vp, FB_ANIM_START, fbphone, KERNEL_CONSOLE, redraw_state(), use_gcons, and vp_switch().
Referenced by change_console().
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void gcons_notify_char ( int consnum )

Notification function that gets called on new output to virtual console
Definition at line 164 of file gcons.c.
References active_console, CONS_HAS_DATA, console_state, console_vp, KERNEL_CONSOLE, redraw_state(), use_gcons, and vp_switch().
Referenced by client_connection().
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void gcons_notify_disconnect ( int consnum )

Notification function called on service disconnect from console
Definition at line 183 of file gcons.c.
References active_console, CONS_DISCONNECTED, CONS_DISCONNECTED_SEL, console_state, console_vp, KERNEL_CONSOLE, redraw_state(), use_gcons, and vp_switch().
Referenced by client_connection().
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void gcons_notify_connect ( int consnum )

Notification function called on console connect
Definition at line 200 of file gcons.c.
References active_console, CONS_IDLE, CONS_SELECTED, console_state, console_vp, KERNEL_CONSOLE, redraw_state(), use_gcons, and vp_switch().
Referenced by client_connection().
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void gcons_in_kernel ( void )

Change to kernel console
Definition at line 217 of file gcons.c.
References active_console, animation, async_msg, CONS_DISCONNECTED, CONS_DISCONNECTED_SEL, CONS_IDLE, console_state, FB_ANIM_STOP, fbphone, KERNEL_CONSOLE, redraw_state(), and vp_switch().
Referenced by change_console().
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static int limit ( int a,

int left,

int right

) [static]

Definition at line 233 of file gcons.c.
Referenced by gcons_mouse_move().

void gcons_mouse_move ( int dx,

int dy

)

Handle mouse move

Parameters:

dx Delta X of mouse move

dy Delta Y of mouse move

Definition at line 250 of file gcons.c.
References async_msg_2(), FB_POINTER_MOVE, fbphone, limit(), mouse_x, mouse_y, xres, and yres.
Referenced by keyboard_events().
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static int gcons_find_conbut ( int x,

int y

) [static]

Definition at line 258 of file gcons.c.
References CONSOLE_COUNT, STATUS_HEIGHT, STATUS_SPACE, STATUS_START, STATUS_TOP, STATUS_WIDTH, and xres.
Referenced by gcons_mouse_btn().

int gcons_mouse_btn ( int state )

Handle mouse click

Parameters:

state New state (1-pressed, 0-depressed)

Definition at line 280 of file gcons.c.
References btn_pressed, btn_x, btn_y, gcons_find_conbut(), mouse_x, and mouse_y.
Referenced by keyboard_events().
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static void draw_pixmap ( char * logo,

size_t size,

int x,

int y

) [static]

Draw a PPM pixmap to framebuffer

Parameters:

logo Pointer to PPM data

size Size of PPM data

x Coordinate of upper left corner

y Coordinate of upper left corner

Definition at line 311 of file gcons.c.
References async_msg, async_msg_2(), async_req_2(), async_req_3(), exit, FB_DRAW_PPM, FB_DROP_SHM, FB_PREPARE_SHM, fbphone, MAP_ANONYMOUS, MAP_FAILED, MAP_SHARED, memcpy(), mmap(), munmap(), NULL, PROTO_READ, and PROTO_WRITE.
Referenced by anims_tick(), gcons_redraw_console(), mouse_hide(), and pixmap_handle().
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static void gcons_redraw_console ( void ) [static]

Redraws console graphics
Definition at line 344 of file gcons.c.
References _binary_helenos_ppm_size, _binary_helenos_ppm_start, _binary_nameic_ppm_size, _binary_nameic_ppm_start, clear(), CONSOLE_COUNT, console_vp, draw_pixmap(), MAIN_COLOR, redraw_state(), set_style(), use_gcons, vp_switch(), and xres.
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static int make_pixmap ( char * data,

int size

) [static]

Creates a pixmap on framebuffer

Parameters:

data PPM data

size PPM data size

Returns:
Pixmap identification

Definition at line 368 of file gcons.c.
References async_msg, async_req, async_req_2(), async_req_3(), exit, FB_DROP_SHM, FB_PREPARE_SHM, FB_SHM2PIXMAP, fbphone, MAP_ANONYMOUS, MAP_FAILED, MAP_SHARED, memcpy(), mmap(), munmap(), NULL, PROTO_READ, and PROTO_WRITE.
Referenced by make_anim().
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static void make_anim ( void ) [static]

Definition at line 411 of file gcons.c.
References _binary_anim_1_ppm_size, _binary_anim_1_ppm_start, _binary_anim_2_ppm_size, _binary_anim_2_ppm_start, _binary_anim_3_ppm_size, _binary_anim_3_ppm_start, _binary_anim_4_ppm_size, _binary_anim_4_ppm_start, animation, async_msg, async_msg_2(), async_req, cstatus_vp, FB_ANIM_ADDPIXMAP, FB_ANIM_CREATE, FB_ANIM_START, fbphone, KERNEL_CONSOLE, make_pixmap(), and NULL.
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void gcons_init ( int phone )

Initialize nice graphical console environment
Definition at line 446 of file gcons.c.
References ALIGN_DOWN, async_req_2(), CONSOLE_COUNT, CONSOLE_MARGIN, CONSOLE_TOP, console_vp, cstatus_vp, FB_GET_RESOLUTION, fbphone, set_style(), STATUS_HEIGHT, STATUS_SPACE, STATUS_START, STATUS_TOP, STATUS_WIDTH, vp_create(), vp_switch(), xres, and yres.
Referenced by main().
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void screenbuffer_putchar ( screenbuffer_t * scr,

char c

)

Store one character to screenbuffer. Its position is determined by scr->position_x and scr->position_y.
Parameters:

scr screenbuffer

c stored character

Definition at line 43 of file screenbuffer.c.
References keyfield_t::character, get_field_at(), screenbuffer_t::position_x, screenbuffer_t::position_y, screenbuffer_t::style, and keyfield_t::style.
Referenced by write_char().
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screenbuffer_t * screenbuffer_init ( screenbuffer_t * scr,

int size_x,

int size_y

)

Initilize screenbuffer. Allocate space for screen content in accordance to given size.
Parameters:

scr initialized screenbuffer

size_x width in characters

size_y height in characters

Returns:
pointer to screenbuffer (same as scr parameter) or NULL

Definition at line 59 of file screenbuffer.c.
References style_t::bg_color, screenbuffer_t::buffer, DEFAULT_BACKGROUND, DEFAULT_FOREGROUND, style_t::fg_color, screenbuffer_t::is_cursor_visible, NULL, screenbuffer_clear(), screenbuffer_t::size_x, screenbuffer_t::size_y, and screenbuffer_t::style.
Referenced by main().
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void screenbuffer_clear ( screenbuffer_t * scr )

Clear screenbuffer.
Parameters:

scr screenbuffer

Definition at line 79 of file screenbuffer.c.
References screenbuffer_t::buffer, keyfield_t::character, screenbuffer_t::size_x, screenbuffer_t::size_y, screenbuffer_t::style, and keyfield_t::style.
Referenced by client_connection(), and screenbuffer_init().

void screenbuffer_clear_line ( screenbuffer_t * scr,

unsigned int line

)

Clear one buffer line.
Parameters:

scr

line One buffer line (not a screen line!)

Definition at line 97 of file screenbuffer.c.
References screenbuffer_t::buffer, screenbuffer_t::size_x, and screenbuffer_t::style.
Referenced by write_char().

void screenbuffer_copy_buffer ( screenbuffer_t * scr,

keyfield_t * dest

)

Copy content buffer from screenbuffer to given memory.
Parameters:

scr source screenbuffer

dest destination

Definition at line 111 of file screenbuffer.c.
References screenbuffer_t::buffer, screenbuffer_t::size_x, and screenbuffer_t::size_y.

void screenbuffer_goto ( screenbuffer_t * scr,

unsigned int x,

unsigned int y

)

Set new cursor position in screenbuffer.
Parameters:

scr

x

y

Definition at line 125 of file screenbuffer.c.
References screenbuffer_t::position_x, screenbuffer_t::position_y, screenbuffer_t::size_x, and screenbuffer_t::size_y.
Referenced by client_connection().

void screenbuffer_set_style ( screenbuffer_t * scr,

unsigned int fg_color,

unsigned int bg_color

)

Set new style.
Parameters:

scr

fg_color

bg_color

Definition at line 136 of file screenbuffer.c.
References style_t::bg_color, style_t::fg_color, and screenbuffer_t::style.
Referenced by client_connection().

static keyfield_t* get_field_at ( screenbuffer_t * scr,

unsigned int x,

unsigned int y

) [static]

Returns keyfield for position on screen. Screenbuffer->buffer is cyclic buffer so we must couted in index of the topmost line.
Parameters:

scr screenbuffer

x position on screen

y position on screen

Returns:
keyfield structure with character and its attributes on x,y

Definition at line 70 of file screenbuffer.h.
References screenbuffer_t::buffer, screenbuffer_t::size_x, screenbuffer_t::size_y, and screenbuffer_t::top_line.
Referenced by change_console(), and screenbuffer_putchar().

static int style_same ( style_t s1,

style_t s2

) [static]

Compares two styles.
Parameters:

s1 first style

s2 second style

Returns:
nonzero on equality

Definition at line 80 of file screenbuffer.h.
References style_t::bg_color, and style_t::fg_color.
Referenced by change_console(), and draw_text_data().

Variable Documentation

int active_console = 0

Index of currently used virtual console.
Definition at line 60 of file console.c.
Referenced by change_console(), client_connection(), gcons_change_console(), gcons_in_kernel(), gcons_notify_char(), gcons_notify_connect(), gcons_notify_disconnect(), keyboard_events(), and write_char().

struct { ... } fb_info

Information about framebuffer
Referenced by change_console(), client_connection(), clrscr(), curs_goto(), curs_visibility(), main(), prtchr(), set_style(), set_style_col(), switch_screens(), and write_char().

int phone [inherited]

Framebuffer phone
Definition at line 65 of file console.c.

ipcarg_t rows [inherited]

Framebuffer rows
Definition at line 66 of file console.c.

ipcarg_t cols [inherited]

Framebuffer columns
Definition at line 67 of file console.c.

connection_t connections[CONSOLE_COUNT] [static]

Array of data for virtual consoles
Definition at line 80 of file console.c.
Referenced by change_console(), client_connection(), find_free_connection(), keyboard_events(), main(), and write_char().

keyfield_t* interbuffer = NULL [static]

Pointer to memory shared with framebufer used for faster virt. console switching
Definition at line 81 of file console.c.
Referenced by change_console(), and shm_handle().

int kernel_pixmap = -1 [static]

Number of fb pixmap, where kernel console is stored
Definition at line 83 of file console.c.
Referenced by change_console(), and main().

int use_gcons = 0 [static]

Definition at line 57 of file gcons.c.
Referenced by gcons_change_console(), gcons_notify_char(), gcons_notify_connect(), gcons_notify_disconnect(), and gcons_redraw_console().

ipcarg_t xres [static]

Definition at line 58 of file gcons.c.
Referenced by gcons_find_conbut(), gcons_init(), gcons_mouse_move(), and gcons_redraw_console().

ipcarg_t yres [static]

Definition at line 58 of file gcons.c.
Referenced by gcons_init(), and gcons_mouse_move().

int console_vp [static]

Definition at line 70 of file gcons.c.
Referenced by gcons_change_console(), gcons_init(), gcons_notify_char(), gcons_notify_connect(), gcons_notify_disconnect(), and gcons_redraw_console().

int cstatus_vp[CONSOLE_COUNT] [static]

Definition at line 71 of file gcons.c.
Referenced by gcons_init(), make_anim(), and redraw_state().

enum butstate console_state[CONSOLE_COUNT] [static]

Definition at line 72 of file gcons.c.
Referenced by gcons_change_console(), gcons_in_kernel(), gcons_notify_char(), gcons_notify_connect(), gcons_notify_disconnect(), and redraw_state().

int fbphone [static]

Definition at line 74 of file gcons.c.
Referenced by clear(), draw_pixmap(), gcons_change_console(), gcons_in_kernel(), gcons_init(), gcons_mouse_move(), make_anim(), make_pixmap(), redraw_state(), set_style(), tran_putch(), vp_create(), and vp_switch().

int ic_pixmaps[CONS_LAST] = {-1,-1,-1,-1,-1,-1} [static]

List of pixmaps identifying these icons
Definition at line 77 of file gcons.c.
Referenced by redraw_state().