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asterisk
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Implement keyboard handling, and use it to enter

Browse Source 
a number to dial in the 'message' area under the
keypad.

Now you can make calls using the keypad as a regular phone
(or the keyboard for chars not present on the keypad)



git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@97488 65c4cc65-6c06-0410-ace0-fbb531ad65f3
1.6.0
Luigi Rizzo 18 years ago
parent 2ad2f92405
commit aaddb77f42
4 changed files with 102 additions and 67 deletions
Show Stats Download Patch File Download Diff File

23
channels/console_board.c
Unescape View File

@ -39,6 +39,7 @@
#include "asterisk.h" /* ast_strdupa */
#include "asterisk/utils.h" /* ast_strdupa */
#include "console_video.h" /* ast_strdupa */
#ifdef HAVE_SDL /* we only use this code if SDL is available */
#include <SDL/SDL.h>
@ -180,8 +181,8 @@ static void render_board(struct board *b)
/* blit all characters */
for (i = first_char, col = 0; i < last_char; i++) {
int c = b->text[i] - 32; /* XXX first 32 chars are not printable */
if (c < 0) /* should not happen, but just in case... */
continue;
if (c < 0) /* buffer terminator or anything else is a blank */
c = 0;
SDL_BlitSurface(b->font, &b->font_rects[c], b->screen, &dst);
/* point dst to next char position */
dst.x += dst.w;
@ -195,11 +196,24 @@ static void render_board(struct board *b)
SDL_UpdateRects(b->screen, 1, b->p_rect); /* Update the screen */
}
/* return the content of a board */
const char *read_message(const struct board *b)
{
return b->text;
}
int reset_board(struct board *b)
{
memset(b->text, ' ', b->v_w * b->v_h); /* fill with spaces */
b->cur_col = 0;
b->cur_line = 0;
render_board(b);
return 0;
}
/* Store the message on the history board
* and blit on screen if required.
* XXX now easy. only regular chars
*/
int print_message(struct board *b, const char *s);
int print_message(struct board *b, const char *s)
{
int i, l, row, col;
@ -261,12 +275,14 @@ int print_message(struct board *b, const char *s)
col = 0;
break;
case '\n': /* move to beginning of next line */
dst[col] = '\0'; /* mark the rest of the line as empty */
col = 0;
dst += b->v_w;
break;
case '\b': /* one char back */
if (col > 0)
col--;
dst[col] = ' '; /* delete current char */
break;
default:
if (s[i] < 32) /* signed, so take up to 127 */
@ -280,6 +296,7 @@ int print_message(struct board *b, const char *s)
break;
}
}
dst[col] = '\0'; /* the current position is empty */
b->cur_col = col;
/* everything is printed now, must do the rendering */
render_board(b);

129
channels/console_gui.c
Unescape View File

@ -80,6 +80,7 @@ enum kb_output {
KO_NONE,
KO_INPUT, /* the local input window */
KO_DIALED, /* the 'dialed number' window */
KO_MESSAGE, /* the 'message' window */
};
enum drag_window { /* which window are we dragging */
@ -91,14 +92,8 @@ enum drag_window { /* which window are we dragging */
DRAG_MESSAGE, /* message window */
};
struct board; /* external. we only need the pointer */
/*! \brief info related to the gui: button status, mouse coords, etc. */
struct gui_info {
char inbuf[GUI_BUFFER_LEN]; /* buffer for to-dial buffer */
int inbuf_pos; /* next free position in inbuf */
char msgbuf[GUI_BUFFER_LEN]; /* buffer for text-message buffer */
int msgbuf_pos; /* next free position in msgbuf */
enum kb_output kb_output; /* where the keyboard output goes */
enum drag_window drag_window; /* which window are we dragging */
int x_drag; /* x coordinate where the drag starts */
@ -238,11 +233,12 @@ enum skin_area {
KEY_SENDVIDEO = 132,
KEY_LOCALVIDEO = 133,
KEY_REMOTEVIDEO = 134,
KEY_WRITEMESSAGE = 135,
KEY_FLASH = 136,
KEY_GUI_CLOSE = 199, /* close gui */
/* regions of the skin - active area, fonts, etc. */
/* regions of the skin - displayed area, fonts, etc.
* XXX NOTE these are not sensitive areas.
*/
KEY_KEYPAD = 200, /* the keypad - default to the whole image */
KEY_FONT = 201, /* the font. Maybe not really useful */
KEY_MESSAGE = 202, /* area for incoming messages */
@ -262,27 +258,6 @@ enum skin_area {
* Handlers for the various keypad functions
*/
/*! \brief append a character, or reset if c = '\0' */
static void append_char(char *str, int *str_pos, const char c)
{
int i = *str_pos;
if (c == '\0')
i = 0;
else if (i < GUI_BUFFER_LEN - 1)
str[i++] = c;
else
i = GUI_BUFFER_LEN - 1; /* unnecessary, i think */
str = '\0';
*str_pos = i;
}
/*! \brief append string to a buffer */
static void append_string(char *str, int *str_pos, const char *s)
{
while (*s)
append_char(str, str_pos, *s++);
}
/* accumulate digits, possibly call dial if in connected mode */
static void keypad_digit(struct video_desc *env, int digit)
{
@ -292,7 +267,9 @@ static void keypad_digit(struct video_desc *env, int digit)
f.subclass = digit;
ast_queue_frame(env->owner, &f);
} else { /* no call, accumulate digits */
append_char(env->gui->inbuf, &env->gui->inbuf_pos, digit);
char buf[2] = { digit, '\0' };
if (env->gui->bd_msg) /* XXX not strictly necessary ... */
print_message(env->gui->bd_msg, buf);
}
}
@ -340,11 +317,15 @@ static void keypad_pick_up(struct video_desc *env)
if (env->owner) { /* someone is calling us, just answer */
ast_cli_command(gui->outfd, "console answer");
} else if (gui->inbuf_pos) { /* we have someone to call */
ast_cli_command(gui->outfd, gui->inbuf);
} else { /* we have someone to call */
char buf[160];
buf[sizeof(buf) - 1] = '\0';
snprintf(buf, sizeof(buf) - 1, "console dial %s",
ast_skip_blanks(read_message(gui->bd_msg)));
ast_log(LOG_WARNING, "doing <%s>\n", buf);
reset_board(gui->bd_msg);
ast_cli_command(gui->outfd, buf);
}
append_char(gui->inbuf, &gui->inbuf_pos, '\0'); /* clear buffer */
append_string(gui->inbuf, &gui->inbuf_pos, "console dial ");
}
#if 0 /* still unused */
@ -474,30 +455,68 @@ static void handle_mousedown(struct video_desc *env, SDL_MouseButtonEvent button
* depending on the text_mode variable value.
*
* key is the SDLKey structure corresponding to the key pressed.
* XXX needs to be cleaned up when handling returns etc.
* Note that SDL returns modifiers (ctrl, shift, alt) as independent
* information so the key itself is not enough and we need to
* use a translation table, below - one line per entry,
* plain, shift, ctrl, ... using the first char as key.
*/
static void handle_keyboard_input(struct video_desc *env, SDLKey key)
static const char *us_kbd_map[] = {
"`~", "1!", "2@", "3#", "4$", "5%", "6^",
"7&", "8*", "9(", "0)", "-_", "=+", "[{",
"]}", "\\|", ";:", "'\"", ",<", ".>", "/?",
"jJ\n",
NULL
};
static const char map_key(SDL_keysym *ks)
{
const char *s, **p = us_kbd_map;
int c = ks->sym;
if (c == '\r') /* map cr into lf */
c = '\n';
if (c >= SDLK_NUMLOCK && c <= SDLK_COMPOSE)
return 0; /* only a modifier */
if (ks->mod == 0)
return c;
while ((s = *p) && s[0] != c)
p++;
if (s) { /* see if we have a modifier and a chance to use it */
int l = strlen(s), mod = 0;
if (l > 1)
mod |= (ks->mod & KMOD_SHIFT) ? 1 : 0;
if (l > 2 + mod)
mod |= (ks->mod & KMOD_CTRL) ? 2 : 0;
if (l > 4 + mod)
mod |= (ks->mod & KMOD_ALT) ? 4 : 0;
c = s[mod];
}
if (ks->mod & (KMOD_CAPS|KMOD_SHIFT) && c >= 'a' && c <='z')
c += 'A' - 'a';
return c;
}
static void handle_keyboard_input(struct video_desc *env, SDL_keysym *ks)
{
char buf[2] = { map_key(ks), '\0' };
struct gui_info *gui = env->gui;
if (buf[0] == 0) /* modifier ? */
return;
switch (gui->kb_output) {
default:
break;
case KO_INPUT:
/* append in the text-message buffer */
if (key == SDLK_RETURN) {
/* send the text message and return in normal mode */
gui->kb_output = KO_NONE;
ast_cli_command(gui->outfd, gui->msgbuf);
append_char(gui->msgbuf, &gui->msgbuf_pos, '\0');
} else {
/* accumulate the key in the message buffer */
append_char(gui->msgbuf, &gui->msgbuf_pos, key);
case KO_INPUT: /* to be completed */
break;
case KO_MESSAGE:
if (gui->bd_msg) {
print_message(gui->bd_msg, buf);
if (buf[0] == '\r' || buf[0] == '\n') {
keypad_pick_up(env);
}
}
break;
case KO_DIALED:
/* XXX actually, enter should be a 'console dial ' */
/* append in the dial buffer */
append_char(gui->inbuf, &gui->inbuf_pos, key);
case KO_DIALED: /* to be completed */
break;
}
@ -564,7 +583,7 @@ static void eventhandler(struct video_desc *env, const char *caption)
#endif
switch (ev[i].type) {
case SDL_KEYDOWN:
handle_keyboard_input(env, ev[i].key.keysym.sym);
handle_keyboard_input(env, &ev[i].key.keysym);
break;
case SDL_MOUSEMOTION:
if (gui->drag_window == DRAG_LOCAL)
@ -626,15 +645,10 @@ static struct gui_info *gui_init(const char *keypad_file, const char *font)
if (gui == NULL)
return NULL;
/* initialize keypad status */
gui->kb_output = KO_DIALED;
gui->kb_output = KO_MESSAGE; /* XXX temp */
gui->drag_window = DRAG_NONE;
gui->outfd = -1;
/* initialize keyboard buffer */
append_char(gui->inbuf, &gui->inbuf_pos, '\0');
append_string(gui->inbuf, &gui->inbuf_pos, "console dial ");
append_char(gui->msgbuf, &gui->msgbuf_pos, '\0');
keypad_setup(gui, keypad_file);
if (gui->keypad == NULL) /* no keypad, we are done */
return gui;
@ -896,7 +910,6 @@ static struct _s_k gui_key_map[] = {
{"SENDVIDEO", KEY_SENDVIDEO },
{"LOCALVIDEO", KEY_LOCALVIDEO },
{"REMOTEVIDEO", KEY_REMOTEVIDEO },
{"WRITEMESSAGE", KEY_WRITEMESSAGE },
{"GUI_CLOSE", KEY_GUI_CLOSE },
{"KEYPAD", KEY_KEYPAD }, /* x0 y0 w h - active area of the keypad */
{"MESSAGE", KEY_MESSAGE }, /* x0 y0 w h - incoming messages */

6
channels/console_video.c
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@ -667,8 +667,6 @@ static struct ast_frame *get_video_frames(struct video_desc *env, struct ast_fra
return v->enc->enc_encap(&v->enc_out, v->mtu, tail);
}
int print_message(struct board *b, const char *s);
/*
* Helper thread to periodically poll the video source and enqueue the
* generated frames to the channel's queue.
@ -725,10 +723,6 @@ static void *video_thread(void *arg)
int fd;
char *caption = NULL, buf[160];
sprintf(buf, "%d \r", count);
if (env->gui)
print_message(env->gui->bd_msg, buf);
/* determine if video format changed */
if (count++ % 10 == 0) {
if (env->out.sendvideo)

11
channels/console_video.h
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@ -86,5 +86,16 @@ int console_video_config(struct video_desc **penv, const char *var, const char *
void console_video_uninit(struct video_desc *env);
void console_video_start(struct video_desc *env, struct ast_channel *owner);
/* console_board.c */
struct board;
/* !\brief print a message on a board */
int print_message(struct board *b, const char *s);
/*! \brief return the whole text from a board */
const char *read_message(const struct board *b);
/*! \brief reset the board to blank */
int reset_board(struct board *b);
#endif /* CONSOLE_VIDEO_H */
/* end of file */

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