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  1. /*
  2.  * Copyright (c) 2006 Ondrej Palkovsky
  3.  * All rights reserved.
  4.  *
  5.  * Redistribution and use in source and binary forms, with or without
  6.  * modification, are permitted provided that the following conditions
  7.  * are met:
  8.  *
  9.  * - Redistributions of source code must retain the above copyright
  10.  *   notice, this list of conditions and the following disclaimer.
  11.  * - Redistributions in binary form must reproduce the above copyright
  12.  *   notice, this list of conditions and the following disclaimer in the
  13.  *   documentation and/or other materials provided with the distribution.
  14.  * - The name of the author may not be used to endorse or promote products
  15.  *   derived from this software without specific prior written permission.
  16.  *
  17.  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
  18.  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  19.  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  20.  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
  21.  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  22.  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  23.  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  24.  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  25.  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  26.  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  27.  */
  28.  
  29. /** @addtogroup console
  30.  * @{
  31.  */
  32. /** @file
  33.  */
  34.  
  35. #include <ipc/fb.h>
  36. #include <ipc/ipc.h>
  37. #include <async.h>
  38. #include <stdio.h>
  39. #include <sys/mman.h>
  40. #include <string.h>
  41. #include <align.h>
  42.  
  43. #include "console.h"
  44. #include "gcons.h"
  45.  
  46. #define CONSOLE_TOP      66
  47. #define CONSOLE_MARGIN   6
  48.  
  49. #define STATUS_START    110
  50. #define STATUS_TOP      8
  51. #define STATUS_SPACE    4
  52. #define STATUS_WIDTH    48
  53. #define STATUS_HEIGHT   48
  54.  
  55. #define MAIN_COLOR      0xffffff
  56.  
  57. static int use_gcons = 0;
  58. static ipcarg_t xres,yres;
  59.  
  60. enum butstate {
  61.     CONS_DISCONNECTED = 0,
  62.     CONS_SELECTED,
  63.     CONS_IDLE,
  64.     CONS_HAS_DATA,
  65.     CONS_KERNEL,
  66.     CONS_DISCONNECTED_SEL,
  67.     CONS_LAST
  68. };
  69.  
  70. static int console_vp;
  71. static int cstatus_vp[CONSOLE_COUNT];
  72. static enum butstate console_state[CONSOLE_COUNT];
  73.  
  74. static int fbphone;
  75.  
  76. /** List of pixmaps identifying these icons */
  77. static int ic_pixmaps[CONS_LAST] = {-1, -1, -1, -1, -1, -1};
  78. static int animation = -1;
  79.  
  80. static int active_console = 0;
  81.  
  82. static void vp_switch(int vp)
  83. {
  84.     async_msg_1(fbphone, FB_VIEWPORT_SWITCH, vp);
  85. }
  86.  
  87. /** Create view port */
  88. static int vp_create(unsigned int x, unsigned int y, unsigned int width,
  89.     unsigned int height)
  90. {
  91.     return async_req_2_0(fbphone, FB_VIEWPORT_CREATE, (x << 16) | y,
  92.         (width << 16) | height);
  93. }
  94.  
  95. static void clear(void)
  96. {
  97.     async_msg_0(fbphone, FB_CLEAR);
  98. }
  99.  
  100. static void set_style(int fgcolor, int bgcolor)
  101. {
  102.     async_msg_2(fbphone, FB_SET_STYLE, fgcolor, bgcolor);
  103. }
  104.  
  105. /** Transparent putchar */
  106. static void tran_putch(char c, int row, int col)
  107. {
  108.     async_msg_3(fbphone, FB_PUTCHAR, c, row, col);
  109. }
  110.  
  111. /** Redraw the button showing state of a given console */
  112. static void redraw_state(int consnum)
  113. {
  114.     char data[5];
  115.     int i;
  116.     enum butstate state = console_state[consnum];
  117.  
  118.     vp_switch(cstatus_vp[consnum]);
  119.     if (ic_pixmaps[state] != -1)
  120.         async_msg_2(fbphone, FB_VP_DRAW_PIXMAP, cstatus_vp[consnum],
  121.             ic_pixmaps[state]);
  122.  
  123.     if (state != CONS_DISCONNECTED && state != CONS_KERNEL &&
  124.         state != CONS_DISCONNECTED_SEL) {
  125.         snprintf(data, 5, "%d", consnum + 1);
  126.         for (i = 0; data[i]; i++)
  127.             tran_putch(data[i], 1, 2 + i);
  128.     }
  129. }
  130.  
  131. /** Notification run on changing console (except kernel console) */
  132. void gcons_change_console(int consnum)
  133. {
  134.     int i;
  135.  
  136.     if (!use_gcons)
  137.         return;
  138.  
  139.     if (active_console == KERNEL_CONSOLE) {
  140.         for (i = 0; i < CONSOLE_COUNT; i++)
  141.             redraw_state(i);
  142.         if (animation != -1)
  143.             async_msg_1(fbphone, FB_ANIM_START, animation);
  144.     } else {
  145.         if (console_state[active_console] == CONS_DISCONNECTED_SEL)
  146.             console_state[active_console] = CONS_DISCONNECTED;
  147.         else
  148.             console_state[active_console] = CONS_IDLE;
  149.         redraw_state(active_console);
  150.     }
  151.     active_console = consnum;
  152.  
  153.     if (console_state[consnum] == CONS_DISCONNECTED) {
  154.         console_state[consnum] = CONS_DISCONNECTED_SEL;
  155.         redraw_state(consnum);
  156.     } else
  157.         console_state[consnum] = CONS_SELECTED;
  158.     redraw_state(consnum);
  159.  
  160.     vp_switch(console_vp);
  161. }
  162.  
  163. /** Notification function that gets called on new output to virtual console */
  164. void gcons_notify_char(int consnum)
  165. {
  166.     if (!use_gcons)
  167.         return;
  168.  
  169.     if (consnum == active_console ||
  170.         console_state[consnum] == CONS_HAS_DATA)
  171.         return;
  172.  
  173.     console_state[consnum] = CONS_HAS_DATA;
  174.  
  175.     if (active_console == KERNEL_CONSOLE)
  176.         return;
  177.  
  178.     redraw_state(consnum);
  179.    
  180.     vp_switch(console_vp);
  181. }
  182.  
  183. /** Notification function called on service disconnect from console */
  184. void gcons_notify_disconnect(int consnum)
  185. {
  186.     if (!use_gcons)
  187.         return;
  188.     if (active_console == consnum)
  189.         console_state[consnum] = CONS_DISCONNECTED_SEL;
  190.     else
  191.         console_state[consnum] = CONS_DISCONNECTED;
  192.    
  193.     if (active_console == KERNEL_CONSOLE)
  194.         return;
  195.    
  196.     redraw_state(consnum);
  197.     vp_switch(console_vp);
  198. }
  199.  
  200. /** Notification function called on console connect */
  201. void gcons_notify_connect(int consnum)
  202. {
  203.     if (!use_gcons)
  204.         return;
  205.     if (active_console == consnum)
  206.         console_state[consnum] = CONS_SELECTED;
  207.     else
  208.         console_state[consnum] = CONS_IDLE;
  209.  
  210.     if (active_console == KERNEL_CONSOLE)
  211.         return;
  212.  
  213.     redraw_state(consnum);
  214.     vp_switch(console_vp);
  215. }
  216.  
  217. /** Change to kernel console */
  218. void gcons_in_kernel(void)
  219. {
  220.     if (animation != -1)
  221.         async_msg_1(fbphone, FB_ANIM_STOP, animation);
  222.    
  223.     active_console = KERNEL_CONSOLE;
  224.     vp_switch(0);
  225. }
  226.  
  227. /** Return x, where left <= x <= right && |a-x|==min(|a-x|) is smallest */
  228. static inline int limit(int a,int left, int right)
  229. {
  230.     if (a < left)
  231.         a = left;
  232.     if (a >= right)
  233.         a = right - 1;
  234.     return a;
  235. }
  236.  
  237. int mouse_x, mouse_y;
  238. int btn_pressed, btn_x, btn_y;
  239.  
  240. /** Handle mouse move
  241.  *
  242.  * @param dx Delta X of mouse move
  243.  * @param dy Delta Y of mouse move
  244.  */
  245. void gcons_mouse_move(int dx, int dy)
  246. {
  247.     mouse_x = limit(mouse_x + dx, 0, xres);
  248.     mouse_y = limit(mouse_y + dy, 0, yres);
  249.  
  250.     async_msg_2(fbphone, FB_POINTER_MOVE, mouse_x, mouse_y);
  251. }
  252.  
  253. static int gcons_find_conbut(int x, int y)
  254. {
  255.     int status_start = STATUS_START + (xres - 800) / 2;
  256.  
  257.     if (y < STATUS_TOP || y >= STATUS_TOP + STATUS_HEIGHT)
  258.         return -1;
  259.    
  260.     if (x < status_start)
  261.         return -1;
  262.    
  263.     if (x >= status_start + (STATUS_WIDTH + STATUS_SPACE) * CONSOLE_COUNT)
  264.         return -1;
  265.     if (((x - status_start) % (STATUS_WIDTH + STATUS_SPACE)) < STATUS_SPACE)
  266.         return -1;
  267.    
  268.     return (x - status_start) / (STATUS_WIDTH + STATUS_SPACE);
  269. }
  270.  
  271. /** Handle mouse click
  272.  *
  273.  * @param state New state (1-pressed, 0-depressed)
  274.  */
  275. int gcons_mouse_btn(int state)
  276. {
  277.     int conbut;
  278.  
  279.     if (state) {
  280.         conbut = gcons_find_conbut(mouse_x, mouse_y);
  281.         if (conbut != -1) {
  282.             btn_pressed = 1;
  283.             btn_x = mouse_x;
  284.             btn_y = mouse_y;
  285.         }
  286.         return -1;
  287.     }
  288.     if (!state && !btn_pressed)
  289.         return -1;
  290.     btn_pressed = 0;
  291.  
  292.     conbut = gcons_find_conbut(mouse_x, mouse_y);
  293.     if (conbut == gcons_find_conbut(btn_x, btn_y))
  294.         return conbut;
  295.     return -1;
  296. }
  297.  
  298.  
  299. /** Draw a PPM pixmap to framebuffer
  300.  *
  301.  * @param logo Pointer to PPM data
  302.  * @param size Size of PPM data
  303.  * @param x Coordinate of upper left corner
  304.  * @param y Coordinate of upper left corner
  305.  */
  306. static void draw_pixmap(char *logo, size_t size, int x, int y)
  307. {
  308.     char *shm;
  309.     int rc;
  310.  
  311.     /* Create area */
  312.     shm = mmap(NULL, size, PROTO_READ | PROTO_WRITE, MAP_SHARED |
  313.         MAP_ANONYMOUS, 0, 0);
  314.     if (shm == MAP_FAILED)
  315.         return;
  316.  
  317.     memcpy(shm, logo, size);
  318.     /* Send area */
  319.     rc = async_req_1_0(fbphone, FB_PREPARE_SHM, (ipcarg_t) shm);
  320.     if (rc)
  321.         goto exit;
  322.     rc = ipc_share_out_start(fbphone, shm, PROTO_READ);
  323.     if (rc)
  324.         goto drop;
  325.     /* Draw logo */
  326.     async_msg_2(fbphone, FB_DRAW_PPM, x, y);
  327. drop:
  328.     /* Drop area */
  329.     async_msg_0(fbphone, FB_DROP_SHM);
  330. exit:      
  331.     /* Remove area */
  332.     munmap(shm, size);
  333. }
  334.  
  335. extern char _binary_helenos_ppm_start[0];
  336. extern int _binary_helenos_ppm_size;
  337. extern char _binary_nameic_ppm_start[0];
  338. extern int _binary_nameic_ppm_size;
  339.  
  340. /** Redraws console graphics */
  341. void gcons_redraw_console(void)
  342. {
  343.     int i;
  344.    
  345.     if (!use_gcons)
  346.         return;
  347.    
  348.     vp_switch(0);
  349.     set_style(MAIN_COLOR, MAIN_COLOR);
  350.     clear();
  351.     draw_pixmap(_binary_helenos_ppm_start,
  352.         (size_t) &_binary_helenos_ppm_size, xres - 66, 2);
  353.     draw_pixmap(_binary_nameic_ppm_start,
  354.         (size_t) &_binary_nameic_ppm_size, 5, 17);
  355.    
  356.     for (i = 0; i < CONSOLE_COUNT; i++)
  357.         redraw_state(i);
  358.     vp_switch(console_vp);
  359. }
  360.  
  361. /** Creates a pixmap on framebuffer
  362.  *
  363.  * @param data PPM data
  364.  * @param size PPM data size
  365.  * @return Pixmap identification
  366.  */
  367. static int make_pixmap(char *data, int size)
  368. {
  369.     char *shm;
  370.     int rc;
  371.     int pxid = -1;
  372.  
  373.     /* Create area */
  374.     shm = mmap(NULL, size, PROTO_READ | PROTO_WRITE, MAP_SHARED |
  375.         MAP_ANONYMOUS, 0, 0);
  376.     if (shm == MAP_FAILED)
  377.         return -1;
  378.  
  379.     memcpy(shm, data, size);
  380.     /* Send area */
  381.     rc = async_req_1_0(fbphone, FB_PREPARE_SHM, (ipcarg_t) shm);
  382.     if (rc)
  383.         goto exit;
  384.     rc = ipc_share_out_start(fbphone, shm, PROTO_READ);
  385.     if (rc)
  386.         goto drop;
  387.  
  388.     /* Obtain pixmap */
  389.     rc = async_req_0_0(fbphone, FB_SHM2PIXMAP);
  390.     if (rc < 0)
  391.         goto drop;
  392.     pxid = rc;
  393. drop:
  394.     /* Drop area */
  395.     async_msg_0(fbphone, FB_DROP_SHM);
  396. exit:      
  397.     /* Remove area */
  398.     munmap(shm, size);
  399.  
  400.     return pxid;
  401. }
  402.  
  403. extern char _binary_anim_1_ppm_start[0];
  404. extern int _binary_anim_1_ppm_size;
  405. extern char _binary_anim_2_ppm_start[0];
  406. extern int _binary_anim_2_ppm_size;
  407. extern char _binary_anim_3_ppm_start[0];
  408. extern int _binary_anim_3_ppm_size;
  409. extern char _binary_anim_4_ppm_start[0];
  410. extern int _binary_anim_4_ppm_size;
  411.  
  412. static void make_anim(void)
  413. {
  414.     int an;
  415.     int pm;
  416.  
  417.     an = async_req_1_0(fbphone, FB_ANIM_CREATE, cstatus_vp[KERNEL_CONSOLE]);
  418.     if (an < 0)
  419.         return;
  420.  
  421.     pm = make_pixmap(_binary_anim_1_ppm_start,
  422.         (int) &_binary_anim_1_ppm_size);
  423.     async_msg_2(fbphone, FB_ANIM_ADDPIXMAP, an, pm);
  424.  
  425.     pm = make_pixmap(_binary_anim_2_ppm_start,
  426.         (int) &_binary_anim_2_ppm_size);
  427.     async_msg_2(fbphone, FB_ANIM_ADDPIXMAP, an, pm);
  428.  
  429.     pm = make_pixmap(_binary_anim_3_ppm_start,
  430.         (int) &_binary_anim_3_ppm_size);
  431.     async_msg_2(fbphone, FB_ANIM_ADDPIXMAP, an, pm);
  432.  
  433.     pm = make_pixmap(_binary_anim_4_ppm_start,
  434.         (int) &_binary_anim_4_ppm_size);
  435.     async_msg_2(fbphone, FB_ANIM_ADDPIXMAP, an, pm);
  436.  
  437.     async_msg_1(fbphone, FB_ANIM_START, an);
  438.  
  439.     animation = an;
  440. }
  441.  
  442. extern char _binary_cons_selected_ppm_start[0];
  443. extern int _binary_cons_selected_ppm_size;
  444. extern char _binary_cons_idle_ppm_start[0];
  445. extern int _binary_cons_idle_ppm_size;
  446. extern char _binary_cons_has_data_ppm_start[0];
  447. extern int _binary_cons_has_data_ppm_size;
  448. extern char _binary_cons_kernel_ppm_start[0];
  449. extern int _binary_cons_kernel_ppm_size;
  450.  
  451. /** Initialize nice graphical console environment */
  452. void gcons_init(int phone)
  453. {
  454.     int rc;
  455.     int i;
  456.     int status_start = STATUS_START;
  457.    
  458.     fbphone = phone;
  459.    
  460.     rc = async_req_0_2(phone, FB_GET_RESOLUTION, &xres, &yres);
  461.     if (rc)
  462.         return;
  463.    
  464.     if ((xres < 800) || (yres < 600))
  465.         return;
  466.    
  467.     /* create console viewport */
  468.     /* Align width & height to character size */
  469.     console_vp = vp_create(CONSOLE_MARGIN, CONSOLE_TOP,
  470.         ALIGN_DOWN(xres - 2 * CONSOLE_MARGIN, 8),
  471.         ALIGN_DOWN(yres - (CONSOLE_TOP + CONSOLE_MARGIN), 16));
  472.     if (console_vp < 0)
  473.         return;
  474.    
  475.     /* Create status buttons */
  476.     status_start += (xres - 800) / 2;
  477.     for (i = 0; i < CONSOLE_COUNT; i++) {
  478.         cstatus_vp[i] = vp_create(status_start + CONSOLE_MARGIN +
  479.             i * (STATUS_WIDTH + STATUS_SPACE), STATUS_TOP,
  480.             STATUS_WIDTH, STATUS_HEIGHT);
  481.         if (cstatus_vp[i] < 0)
  482.             return;
  483.         vp_switch(cstatus_vp[i]);
  484.         set_style(0x202020, 0xffffff);
  485.     }
  486.    
  487.     /* Initialize icons */
  488.     ic_pixmaps[CONS_SELECTED] =
  489.         make_pixmap(_binary_cons_selected_ppm_start,
  490.         (int) &_binary_cons_selected_ppm_size);
  491.     ic_pixmaps[CONS_IDLE] = make_pixmap(_binary_cons_idle_ppm_start,
  492.         (int) &_binary_cons_idle_ppm_size);
  493.     ic_pixmaps[CONS_HAS_DATA] =
  494.         make_pixmap(_binary_cons_has_data_ppm_start,
  495.         (int) &_binary_cons_has_data_ppm_size);
  496.     ic_pixmaps[CONS_DISCONNECTED] =
  497.         make_pixmap(_binary_cons_idle_ppm_start,
  498.         (int) &_binary_cons_idle_ppm_size);
  499.     ic_pixmaps[CONS_KERNEL] = make_pixmap(_binary_cons_kernel_ppm_start,
  500.         (int) &_binary_cons_kernel_ppm_size);
  501.     ic_pixmaps[CONS_DISCONNECTED_SEL] = ic_pixmaps[CONS_SELECTED];
  502.    
  503.     make_anim();
  504.    
  505.     use_gcons = 1;
  506.     console_state[0] = CONS_DISCONNECTED_SEL;
  507.     console_state[KERNEL_CONSOLE] = CONS_KERNEL;
  508.     gcons_redraw_console();
  509. }
  510.  
  511. /** @}
  512.  */
  513.