WebSVN – HelenOS – Diff – /trunk/uspace/console/console.c

 } fb_info;
 typedef struct {
     keybuffer_t keybuffer;      /**< Buffer for incoming keys. */
-    FIFO_CREATE_STATIC(keyrequests, ipc_callid_t , MAX_KEYREQUESTS_BUFFERED);   /**< Buffer for unsatisfied request for keys. */
+    /** Buffer for unsatisfied request for keys. */
+    FIFO_CREATE_STATIC(keyrequests, ipc_callid_t,
+        MAX_KEYREQUESTS_BUFFERED);
     int keyrequest_counter;     /**< Number of requests in buffer. */
     int client_phone;       /**< Phone to connected client. */
-    int used;           /**< 1 if this virtual console is connected to some client.*/
+    int used;           /**< 1 if this virtual console is
+                     * connected to some client.*/
-    screenbuffer_t screenbuffer;    /**< Screenbuffer for saving screen contents and related settings. */
+    screenbuffer_t screenbuffer;    /**< Screenbuffer for saving screen
+                     * contents and related settings. */
 } connection_t;
-static connection_t connections[CONSOLE_COUNT]; /**< Array of data for virtual consoles */
+static connection_t connections[CONSOLE_COUNT]; /**< Array of data for virtual
+                         * consoles */
-static keyfield_t *interbuffer = NULL;          /**< Pointer to memory shared with framebufer used for faster virt. console switching */
+static keyfield_t *interbuffer = NULL;      /**< Pointer to memory shared
+                         * with framebufer used for
+                         * faster virtual console
+                         *switching */
-static int kernel_pixmap = -1;      /**< Number of fb pixmap, where kernel console is stored */
+static int kernel_pixmap = -1;  /**< Number of fb pixmap, where kernel
+                 * console is stored */
 /** Find unused virtual console.
+ *
  */
+}
 static void set_style(style_t *style)
+{
-    async_msg_2(fb_info.phone, FB_SET_STYLE, style->fg_color, style->bg_color);
+    async_msg_2(fb_info.phone, FB_SET_STYLE, style->fg_color,
+        style->bg_color);
+}
 static void set_style_col(int fgcolor, int bgcolor)
+{
     async_msg_2(fb_info.phone, FB_SET_STYLE, fgcolor, bgcolor);
 static void write_char(int console, char key)
+{
     screenbuffer_t *scr = &(connections[console].screenbuffer);
     switch (key) {
-        case '\n':
+    case '\n':
-            scr->position_y += 1;
+        scr->position_y += 1;
-            scr->position_x =  0;
+        scr->position_x =  0;
-            break;
+        break;
-        case '\r':
+    case '\r':
-            break;
+        break;
-        case '\t':
+    case '\t':
-            scr->position_x += 8;
+        scr->position_x += 8;
-            scr->position_x -= scr->position_x % 8;
+        scr->position_x -= scr->position_x % 8;
+        break;
+    case '\b':
+        if (scr->position_x == 0)
             break;
-        case '\b':
+        scr->position_x--;
+        if (console == active_console)
-            if (scr->position_x == 0)
+            prtchr(' ', scr->position_y, scr->position_x);
+        screenbuffer_putchar(scr, ' ');
-                break;
+        break;
+    default:
+        if (console == active_console)
-            scr->position_x--;
+            prtchr(key, scr->position_y, scr->position_x);
-            if (console == active_console)
-                prtchr(' ', scr->position_y, scr->position_x);
-            screenbuffer_putchar(scr, ' ');
-            break;
-        default:
-            if (console == active_console)
-                prtchr(key, scr->position_y, scr->position_x);
-            screenbuffer_putchar(scr, key);
+        screenbuffer_putchar(scr, key);
-            scr->position_x++;
+        scr->position_x++;
+    }
     scr->position_y += (scr->position_x >= scr->size_x);
     if (scr->position_y >= scr->size_y) {
     set_style(&conn->screenbuffer.style);
     curs_visibility(0);
     if (interbuffer) {
         for (i = 0; i < conn->screenbuffer.size_x; i++)
             for (j = 0; j < conn->screenbuffer.size_y; j++)
-                interbuffer[i + j*conn->screenbuffer.size_x] = *get_field_at(&(conn->screenbuffer),i, j);
+                interbuffer[i + j * conn->screenbuffer.size_x]
+                    = *get_field_at(&(conn->screenbuffer),
+                    i, j);
         /* This call can preempt, but we are already at the end */
-        rc = async_req_2(fb_info.phone, FB_DRAW_TEXT_DATA, 0, 0, NULL, NULL);
+        rc = async_req_2(fb_info.phone, FB_DRAW_TEXT_DATA, 0, 0, NULL,
+            NULL);
     };
     if ((!interbuffer) || (rc != 0)) {
         set_style(&conn->screenbuffer.style);
         clrscr();
         style = &conn->screenbuffer.style;
         for (j = 0; j < conn->screenbuffer.size_y; j++)
             for (i = 0; i < conn->screenbuffer.size_x; i++) {
-                field = get_field_at(&(conn->screenbuffer),i, j);
+                field = get_field_at(&(conn->screenbuffer), i,
+                    j);
                 if (!style_same(*style, field->style))
                     set_style(&field->style);
                 style = &field->style;
-                if ((field->character == ' ') && (style_same(field->style, conn->screenbuffer.style)))
+                if ((field->character == ' ') &&
+                    (style_same(field->style,
+                    conn->screenbuffer.style)))
                     continue;
                 prtchr(field->character, j, i);
+            }
+    }
-    curs_goto(conn->screenbuffer.position_y, conn->screenbuffer.position_x);
+    curs_goto(conn->screenbuffer.position_y,
+        conn->screenbuffer.position_x);
     curs_visibility(conn->screenbuffer.is_cursor_visible);
     async_serialize_end();
+}
             if (newcon != -1)
                 change_console(newcon);
             retval = 0;
             break;
         case KBD_MS_MOVE:
-            gcons_mouse_move(IPC_GET_ARG1(call), IPC_GET_ARG2(call));
+            gcons_mouse_move(IPC_GET_ARG1(call),
+                IPC_GET_ARG2(call));
             retval = 0;
             break;
         case KBD_PUSHCHAR:
             /* got key from keyboard driver */
             retval = 0;
             c = IPC_GET_ARG1(call);
             /* switch to another virtual console */
             conn = &connections[active_console];
+/*
-//          if ((c >= KBD_KEY_F1) && (c < KBD_KEY_F1 + CONSOLE_COUNT)) {
+ *          if ((c >= KBD_KEY_F1) && (c < KBD_KEY_F1 +
+ *              CONSOLE_COUNT)) {
+ */
             if ((c >= 0x101) && (c < 0x101 + CONSOLE_COUNT)) {
                 if (c == 0x112)
                     change_console(KERNEL_CONSOLE);
                 else
                     change_console(c - 0x101);
+            }
             /* if client is awaiting key, send it */
             if (conn->keyrequest_counter > 0) {
                 conn->keyrequest_counter--;
-                ipc_answer_fast(fifo_pop(conn->keyrequests), 0, c, 0);
+                ipc_answer_fast(fifo_pop(conn->keyrequests), 0,
+                    c, 0);
                 break;
+            }
             keybuffer_push(&conn->keybuffer, c);
             retval = 0;
             gcons_notify_disconnect(consnum);
             /* Answer all pending requests */
             while (conn->keyrequest_counter > 0) {
                 conn->keyrequest_counter--;
-                ipc_answer_fast(fifo_pop(conn->keyrequests), ENOENT, 0, 0);
+                ipc_answer_fast(fifo_pop(conn->keyrequests),
+                    ENOENT, 0, 0);
                 break;
+            }
             conn->used = 0;
             return;
         case CONSOLE_PUTCHAR:
             screenbuffer_clear(&conn->screenbuffer);
             break;
         case CONSOLE_GOTO:
+            screenbuffer_goto(&conn->screenbuffer,
-            screenbuffer_goto(&conn->screenbuffer, IPC_GET_ARG2(call), IPC_GET_ARG1(call));
+                IPC_GET_ARG2(call), IPC_GET_ARG1(call));
             if (consnum == active_console)
-                curs_goto(IPC_GET_ARG1(call),IPC_GET_ARG2(call));
+                curs_goto(IPC_GET_ARG1(call),
+                    IPC_GET_ARG2(call));
             break;
         case CONSOLE_GETSIZE:
             arg1 = fb_info.rows;
             arg2 = fb_info.cols;
             break;
         case CONSOLE_FLUSH:
             if (consnum == active_console)
-                async_req_2(fb_info.phone, FB_FLUSH, 0, 0, NULL, NULL);
+                async_req_2(fb_info.phone, FB_FLUSH, 0, 0,
+                    NULL, NULL);
             break;
         case CONSOLE_SET_STYLE:
             arg1 = IPC_GET_ARG1(call);
             arg2 = IPC_GET_ARG2(call);
             screenbuffer_set_style(&conn->screenbuffer,arg1, arg2);
             if (consnum == active_console)
                 set_style_col(arg1, arg2);
             break;
         case CONSOLE_CURSOR_VISIBILITY:
             arg1 = IPC_GET_ARG1(call);
             conn->screenbuffer.is_cursor_visible = arg1;
             if (consnum == active_console)
                 curs_visibility(arg1);
             break;
         case CONSOLE_GETCHAR:
             if (keybuffer_empty(&conn->keybuffer)) {
                 /* buffer is empty -> store request */
-                if (conn->keyrequest_counter < MAX_KEYREQUESTS_BUFFERED) {
+                if (conn->keyrequest_counter <
+                    MAX_KEYREQUESTS_BUFFERED) {
                     fifo_push(conn->keyrequests, callid);
                     conn->keyrequest_counter++;
                 } else {
+                    /*
-                    /* no key available and too many requests => fail */
+                     * No key available and too many
+                     * requests => fail.
+                    */
                     ipc_answer_fast(callid, ELIMIT, 0, 0);
+                }
                 continue;
-            };
+            }
-            keybuffer_pop(&conn->keybuffer, (int *)&arg1);
+            keybuffer_pop(&conn->keybuffer, (int *) &arg1);
             break;
+        }
         ipc_answer_fast(callid, 0, arg1, arg2);
+    }
+}
     async_set_client_connection(client_connection);
     /* Connect to keyboard driver */
-    while ((kbd_phone = ipc_connect_me_to(PHONE_NS, SERVICE_KEYBOARD, 0)) < 0) {
+    while ((kbd_phone = ipc_connect_me_to(PHONE_NS, SERVICE_KEYBOARD, 0))
+        < 0) {
         usleep(10000);
-    };
+    }
-    if (ipc_connect_to_me(kbd_phone, SERVICE_CONSOLE, 0, &phonehash) != 0) {
+    if (ipc_connect_to_me(kbd_phone, SERVICE_CONSOLE, 0, &phonehash) != 0)
+        {
         return -1;
-    };
+    }
     async_new_connection(phonehash, 0, NULL, keyboard_events);
     /* Connect to framebuffer driver */
-    while ((fb_info.phone = ipc_connect_me_to(PHONE_NS, SERVICE_VIDEO, 0)) < 0) {
+    while ((fb_info.phone = ipc_connect_me_to(PHONE_NS, SERVICE_VIDEO, 0))
+        < 0) {
         usleep(10000);
+    }
     /* Save old kernel screen */
     kernel_pixmap = switch_screens(-1);
     /* Synchronize, the gcons can have something in queue */
     async_req(fb_info.phone, FB_FLUSH, 0, NULL);
     /* Enable double buffering */
     async_msg_2(fb_info.phone, FB_VIEWPORT_DB, (sysarg_t)-1, 1);
-    async_req_2(fb_info.phone, FB_GET_CSIZE, 0, 0, &(fb_info.rows), &(fb_info.cols));
+    async_req_2(fb_info.phone, FB_GET_CSIZE, 0, 0, &(fb_info.rows),
+        &(fb_info.cols));
     set_style_col(DEFAULT_FOREGROUND, DEFAULT_BACKGROUND);
     clrscr();
     /* Init virtual consoles */
     for (i = 0; i < CONSOLE_COUNT; i++) {
         connections[i].used = 0;
         keybuffer_init(&(connections[i].keybuffer));
+        connections[i].keyrequests.head =
-        connections[i].keyrequests.head = connections[i].keyrequests.tail = 0;
+            connections[i].keyrequests.tail = 0;
         connections[i].keyrequests.items = MAX_KEYREQUESTS_BUFFERED;
         connections[i].keyrequest_counter = 0;
-        if (screenbuffer_init(&(connections[i].screenbuffer), fb_info.cols, fb_info.rows ) == NULL) {
+        if (screenbuffer_init(&(connections[i].screenbuffer),
+            fb_info.cols, fb_info.rows) == NULL) {
             /*FIXME: handle error */
             return -1;
+        }
+    }
     connections[KERNEL_CONSOLE].used = 1;
-    if ((interbuffer = mmap(NULL, sizeof(keyfield_t) * fb_info.cols * fb_info.rows , PROTO_READ|PROTO_WRITE, MAP_ANONYMOUS|MAP_PRIVATE, 0 ,0 )) != NULL) {
+    if ((interbuffer = mmap(NULL, sizeof(keyfield_t) * fb_info.cols *
+        fb_info.rows, PROTO_READ | PROTO_WRITE, MAP_ANONYMOUS |
+        MAP_PRIVATE, 0, 0)) != NULL) {
-        if (async_req_3(fb_info.phone, IPC_M_AS_AREA_SEND, (ipcarg_t)interbuffer, 0, AS_AREA_READ, NULL, NULL, NULL) != 0) {
+        if (async_req_3(fb_info.phone, IPC_M_AS_AREA_SEND, (ipcarg_t)
+            interbuffer, 0, AS_AREA_READ, NULL, NULL, NULL) != 0) {
-            munmap(interbuffer, sizeof(keyfield_t) * fb_info.cols * fb_info.rows);
+            munmap(interbuffer, sizeof(keyfield_t) * fb_info.cols
+                * fb_info.rows);
             interbuffer = NULL;
+        }
+    }
     curs_goto(0,0);
     curs_visibility(connections[active_console].screenbuffer.is_cursor_visible);
     /* Register at NS */
     if (ipc_connect_to_me(PHONE_NS, SERVICE_CONSOLE, 0, &phonehash) != 0) {
         return -1;
-    };
+    }
     async_manager();
     return 0;
+}

Subversion Repositories HelenOS

(root)/trunk/uspace/console/console.c – Rev 1867 → 2025