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/*
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* QEMU graphical console
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*
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* Copyright (c) 2004 Fabrice Bellard
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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#include "vl.h" |
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|
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//#define DEBUG_CONSOLE
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#define DEFAULT_BACKSCROLL 512 |
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#define MAX_CONSOLES 12 |
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|
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#define RGBA(r, g, b, a) (((a) << 24) | ((r) << 16) | ((g) << 8) | (b)) |
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#define RGB(r, g, b) RGBA(r, g, b, 0xff) |
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typedef struct TextAttributes { |
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uint8_t fgcol:4;
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uint8_t bgcol:4;
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uint8_t bold:1;
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uint8_t uline:1;
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uint8_t blink:1;
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uint8_t invers:1;
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uint8_t unvisible:1;
|
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} TextAttributes; |
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|
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typedef struct TextCell { |
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uint8_t ch; |
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TextAttributes t_attrib; |
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} TextCell; |
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|
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#define MAX_ESC_PARAMS 3 |
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|
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enum TTYState {
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TTY_STATE_NORM, |
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TTY_STATE_ESC, |
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TTY_STATE_CSI, |
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}; |
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|
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|
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struct TextConsole {
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int text_console; /* true if text console */ |
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DisplayState *ds; |
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int g_width, g_height;
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int width;
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int height;
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int total_height;
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int backscroll_height;
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int x, y;
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int y_displayed;
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int y_base;
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TextAttributes t_attrib_default; /* default text attributes */
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TextAttributes t_attrib; /* currently active text attributes */
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TextCell *cells; |
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|
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enum TTYState state;
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int esc_params[MAX_ESC_PARAMS];
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int nb_esc_params;
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|
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/* kbd read handler */
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IOReadHandler *fd_read; |
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void *fd_opaque;
|
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}; |
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|
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static TextConsole *active_console;
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static TextConsole *consoles[MAX_CONSOLES];
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static int nb_consoles = 0; |
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|
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/* convert a RGBA color to a color index usable in graphic primitives */
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static unsigned int vga_get_color(DisplayState *ds, unsigned int rgba) |
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{
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unsigned int r, g, b, color; |
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|
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switch(ds->depth) {
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#if 0
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case 8:
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r = (rgba >> 16) & 0xff;
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g = (rgba >> 8) & 0xff;
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b = (rgba) & 0xff;
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color = (rgb_to_index[r] * 6 * 6) +
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(rgb_to_index[g] * 6) +
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(rgb_to_index[b]);
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break;
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#endif
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case 15: |
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r = (rgba >> 16) & 0xff; |
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g = (rgba >> 8) & 0xff; |
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b = (rgba) & 0xff;
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color = ((r >> 3) << 10) | ((g >> 3) << 5) | (b >> 3); |
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break;
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case 16: |
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r = (rgba >> 16) & 0xff; |
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g = (rgba >> 8) & 0xff; |
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b = (rgba) & 0xff;
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color = ((r >> 3) << 11) | ((g >> 2) << 5) | (b >> 3); |
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break;
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case 32: |
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default:
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color = rgba; |
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break;
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} |
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return color;
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} |
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|
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static void vga_fill_rect (DisplayState *ds, |
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int posx, int posy, int width, int height, uint32_t color) |
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{
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uint8_t *d, *d1; |
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int x, y, bpp;
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|
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bpp = (ds->depth + 7) >> 3; |
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d1 = ds->data + |
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ds->linesize * posy + bpp * posx; |
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for (y = 0; y < height; y++) { |
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d = d1; |
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switch(bpp) {
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case 1: |
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for (x = 0; x < width; x++) { |
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*((uint8_t *)d) = color; |
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d++; |
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} |
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break;
|
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case 2: |
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for (x = 0; x < width; x++) { |
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*((uint16_t *)d) = color; |
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d += 2;
|
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} |
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break;
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case 4: |
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for (x = 0; x < width; x++) { |
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*((uint32_t *)d) = color; |
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d += 4;
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} |
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break;
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} |
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d1 += ds->linesize; |
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} |
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} |
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|
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/* copy from (xs, ys) to (xd, yd) a rectangle of size (w, h) */
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static void vga_bitblt(DisplayState *ds, int xs, int ys, int xd, int yd, int w, int h) |
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{
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const uint8_t *s;
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uint8_t *d; |
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int wb, y, bpp;
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|
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bpp = (ds->depth + 7) >> 3; |
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wb = w * bpp; |
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if (yd <= ys) {
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s = ds->data + |
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ds->linesize * ys + bpp * xs; |
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d = ds->data + |
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ds->linesize * yd + bpp * xd; |
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for (y = 0; y < h; y++) { |
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memmove(d, s, wb); |
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d += ds->linesize; |
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s += ds->linesize; |
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} |
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} else {
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s = ds->data + |
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ds->linesize * (ys + h - 1) + bpp * xs;
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d = ds->data + |
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ds->linesize * (yd + h - 1) + bpp * xd;
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for (y = 0; y < h; y++) { |
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memmove(d, s, wb); |
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d -= ds->linesize; |
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s -= ds->linesize; |
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} |
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} |
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} |
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|
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/***********************************************************/
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/* basic char display */
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|
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#define FONT_HEIGHT 16 |
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#define FONT_WIDTH 8 |
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|
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#include "vgafont.h" |
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|
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#define cbswap_32(__x) \
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((uint32_t)( \ |
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(((uint32_t)(__x) & (uint32_t)0x000000ffUL) << 24) | \ |
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(((uint32_t)(__x) & (uint32_t)0x0000ff00UL) << 8) | \ |
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(((uint32_t)(__x) & (uint32_t)0x00ff0000UL) >> 8) | \ |
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(((uint32_t)(__x) & (uint32_t)0xff000000UL) >> 24) )) |
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|
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#ifdef WORDS_BIGENDIAN
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#define PAT(x) x
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#else
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#define PAT(x) cbswap_32(x)
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#endif
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|
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static const uint32_t dmask16[16] = { |
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PAT(0x00000000),
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PAT(0x000000ff),
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PAT(0x0000ff00),
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PAT(0x0000ffff),
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PAT(0x00ff0000),
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PAT(0x00ff00ff),
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PAT(0x00ffff00),
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PAT(0x00ffffff),
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PAT(0xff000000),
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PAT(0xff0000ff),
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PAT(0xff00ff00),
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PAT(0xff00ffff),
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PAT(0xffff0000),
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PAT(0xffff00ff),
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PAT(0xffffff00),
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PAT(0xffffffff),
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}; |
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static const uint32_t dmask4[4] = { |
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PAT(0x00000000),
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PAT(0x0000ffff),
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PAT(0xffff0000),
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PAT(0xffffffff),
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}; |
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|
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static uint32_t color_table[2][8]; |
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|
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enum color_names {
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COLOR_BLACK = 0,
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COLOR_RED = 1,
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COLOR_GREEN = 2,
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COLOR_YELLOW = 3,
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COLOR_BLUE = 4,
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COLOR_MAGENTA = 5,
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COLOR_CYAN = 6,
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COLOR_WHITE = 7
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}; |
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|
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static const uint32_t color_table_rgb[2][8] = { |
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{ /* dark */
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RGB(0x00, 0x00, 0x00), /* black */ |
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RGB(0xaa, 0x00, 0x00), /* red */ |
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RGB(0x00, 0xaa, 0x00), /* green */ |
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RGB(0xaa, 0xaa, 0x00), /* yellow */ |
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RGB(0x00, 0x00, 0xaa), /* blue */ |
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RGB(0xaa, 0x00, 0xaa), /* magenta */ |
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RGB(0x00, 0xaa, 0xaa), /* cyan */ |
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RGB(0xaa, 0xaa, 0xaa), /* white */ |
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}, |
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{ /* bright */
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RGB(0x00, 0x00, 0x00), /* black */ |
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RGB(0xff, 0x00, 0x00), /* red */ |
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RGB(0x00, 0xff, 0x00), /* green */ |
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RGB(0xff, 0xff, 0x00), /* yellow */ |
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RGB(0x00, 0x00, 0xff), /* blue */ |
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RGB(0xff, 0x00, 0xff), /* magenta */ |
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RGB(0x00, 0xff, 0xff), /* cyan */ |
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RGB(0xff, 0xff, 0xff), /* white */ |
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} |
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}; |
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|
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static inline unsigned int col_expand(DisplayState *ds, unsigned int col) |
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{
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switch(ds->depth) {
|
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case 8: |
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col |= col << 8;
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col |= col << 16;
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break;
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case 15: |
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case 16: |
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col |= col << 16;
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break;
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default:
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break;
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} |
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return col;
|
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} |
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#ifdef DEBUG_CONSOLE
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static void console_print_text_attributes(TextAttributes *t_attrib, char ch) |
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{
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if (t_attrib->bold) {
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printf("b");
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} else {
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printf(" ");
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} |
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if (t_attrib->uline) {
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printf("u");
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} else {
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printf(" ");
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} |
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if (t_attrib->blink) {
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printf("l");
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} else {
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printf(" ");
|
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} |
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if (t_attrib->invers) {
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printf("i");
|
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} else {
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printf(" ");
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} |
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if (t_attrib->unvisible) {
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printf("n");
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} else {
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printf(" ");
|
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} |
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|
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printf(" fg: %d bg: %d ch:'%2X' '%c'\n", t_attrib->fgcol, t_attrib->bgcol, ch, ch);
|
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} |
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#endif
|
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|
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static void vga_putcharxy(DisplayState *ds, int x, int y, int ch, |
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TextAttributes *t_attrib) |
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{
|
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uint8_t *d; |
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const uint8_t *font_ptr;
|
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unsigned int font_data, linesize, xorcol, bpp; |
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int i;
|
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unsigned int fgcol, bgcol; |
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|
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#ifdef DEBUG_CONSOLE
|
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printf("x: %2i y: %2i", x, y);
|
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console_print_text_attributes(t_attrib, ch); |
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#endif
|
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|
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if (t_attrib->invers) {
|
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bgcol = color_table[t_attrib->bold][t_attrib->fgcol]; |
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fgcol = color_table[t_attrib->bold][t_attrib->bgcol]; |
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} else {
|
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fgcol = color_table[t_attrib->bold][t_attrib->fgcol]; |
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bgcol = color_table[t_attrib->bold][t_attrib->bgcol]; |
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} |
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|
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bpp = (ds->depth + 7) >> 3; |
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d = ds->data + |
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ds->linesize * y * FONT_HEIGHT + bpp * x * FONT_WIDTH; |
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linesize = ds->linesize; |
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font_ptr = vgafont16 + FONT_HEIGHT * ch; |
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xorcol = bgcol ^ fgcol; |
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switch(ds->depth) {
|
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case 8: |
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for(i = 0; i < FONT_HEIGHT; i++) { |
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font_data = *font_ptr++; |
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if (t_attrib->uline
|
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&& ((i == FONT_HEIGHT - 2) || (i == FONT_HEIGHT - 3))) { |
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font_data = 0xFFFF;
|
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} |
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((uint32_t *)d)[0] = (dmask16[(font_data >> 4)] & xorcol) ^ bgcol; |
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((uint32_t *)d)[1] = (dmask16[(font_data >> 0) & 0xf] & xorcol) ^ bgcol; |
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d += linesize; |
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} |
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break;
|
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case 16: |
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case 15: |
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for(i = 0; i < FONT_HEIGHT; i++) { |
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font_data = *font_ptr++; |
| 366 |
if (t_attrib->uline
|
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&& ((i == FONT_HEIGHT - 2) || (i == FONT_HEIGHT - 3))) { |
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font_data = 0xFFFF;
|
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} |
| 370 |
((uint32_t *)d)[0] = (dmask4[(font_data >> 6)] & xorcol) ^ bgcol; |
| 371 |
((uint32_t *)d)[1] = (dmask4[(font_data >> 4) & 3] & xorcol) ^ bgcol; |
| 372 |
((uint32_t *)d)[2] = (dmask4[(font_data >> 2) & 3] & xorcol) ^ bgcol; |
| 373 |
((uint32_t *)d)[3] = (dmask4[(font_data >> 0) & 3] & xorcol) ^ bgcol; |
| 374 |
d += linesize; |
| 375 |
} |
| 376 |
break;
|
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case 32: |
| 378 |
for(i = 0; i < FONT_HEIGHT; i++) { |
| 379 |
font_data = *font_ptr++; |
| 380 |
if (t_attrib->uline && ((i == FONT_HEIGHT - 2) || (i == FONT_HEIGHT - 3))) { |
| 381 |
font_data = 0xFFFF;
|
| 382 |
} |
| 383 |
((uint32_t *)d)[0] = (-((font_data >> 7)) & xorcol) ^ bgcol; |
| 384 |
((uint32_t *)d)[1] = (-((font_data >> 6) & 1) & xorcol) ^ bgcol; |
| 385 |
((uint32_t *)d)[2] = (-((font_data >> 5) & 1) & xorcol) ^ bgcol; |
| 386 |
((uint32_t *)d)[3] = (-((font_data >> 4) & 1) & xorcol) ^ bgcol; |
| 387 |
((uint32_t *)d)[4] = (-((font_data >> 3) & 1) & xorcol) ^ bgcol; |
| 388 |
((uint32_t *)d)[5] = (-((font_data >> 2) & 1) & xorcol) ^ bgcol; |
| 389 |
((uint32_t *)d)[6] = (-((font_data >> 1) & 1) & xorcol) ^ bgcol; |
| 390 |
((uint32_t *)d)[7] = (-((font_data >> 0) & 1) & xorcol) ^ bgcol; |
| 391 |
d += linesize; |
| 392 |
} |
| 393 |
break;
|
| 394 |
} |
| 395 |
} |
| 396 |
|
| 397 |
static void text_console_resize(TextConsole *s) |
| 398 |
{
|
| 399 |
TextCell *cells, *c, *c1; |
| 400 |
int w1, x, y, last_width;
|
| 401 |
|
| 402 |
last_width = s->width; |
| 403 |
s->width = s->g_width / FONT_WIDTH; |
| 404 |
s->height = s->g_height / FONT_HEIGHT; |
| 405 |
|
| 406 |
w1 = last_width; |
| 407 |
if (s->width < w1)
|
| 408 |
w1 = s->width; |
| 409 |
|
| 410 |
cells = qemu_malloc(s->width * s->total_height * sizeof(TextCell));
|
| 411 |
for(y = 0; y < s->total_height; y++) { |
| 412 |
c = &cells[y * s->width]; |
| 413 |
if (w1 > 0) { |
| 414 |
c1 = &s->cells[y * last_width]; |
| 415 |
for(x = 0; x < w1; x++) { |
| 416 |
*c++ = *c1++; |
| 417 |
} |
| 418 |
} |
| 419 |
for(x = w1; x < s->width; x++) {
|
| 420 |
c->ch = ' ';
|
| 421 |
c->t_attrib = s->t_attrib_default; |
| 422 |
c++; |
| 423 |
} |
| 424 |
} |
| 425 |
free(s->cells); |
| 426 |
s->cells = cells; |
| 427 |
} |
| 428 |
|
| 429 |
static void update_xy(TextConsole *s, int x, int y) |
| 430 |
{
|
| 431 |
TextCell *c; |
| 432 |
int y1, y2;
|
| 433 |
|
| 434 |
if (s == active_console) {
|
| 435 |
y1 = (s->y_base + y) % s->total_height; |
| 436 |
y2 = y1 - s->y_displayed; |
| 437 |
if (y2 < 0) |
| 438 |
y2 += s->total_height; |
| 439 |
if (y2 < s->height) {
|
| 440 |
c = &s->cells[y1 * s->width + x]; |
| 441 |
vga_putcharxy(s->ds, x, y2, c->ch, |
| 442 |
&(c->t_attrib)); |
| 443 |
dpy_update(s->ds, x * FONT_WIDTH, y2 * FONT_HEIGHT, |
| 444 |
FONT_WIDTH, FONT_HEIGHT); |
| 445 |
} |
| 446 |
} |
| 447 |
} |
| 448 |
|
| 449 |
static void console_show_cursor(TextConsole *s, int show) |
| 450 |
{
|
| 451 |
TextCell *c; |
| 452 |
int y, y1;
|
| 453 |
|
| 454 |
if (s == active_console) {
|
| 455 |
y1 = (s->y_base + s->y) % s->total_height; |
| 456 |
y = y1 - s->y_displayed; |
| 457 |
if (y < 0) |
| 458 |
y += s->total_height; |
| 459 |
if (y < s->height) {
|
| 460 |
c = &s->cells[y1 * s->width + s->x]; |
| 461 |
if (show) {
|
| 462 |
TextAttributes t_attrib = s->t_attrib_default; |
| 463 |
t_attrib.invers = !(t_attrib.invers); /* invert fg and bg */
|
| 464 |
vga_putcharxy(s->ds, s->x, y, c->ch, &t_attrib); |
| 465 |
} else {
|
| 466 |
vga_putcharxy(s->ds, s->x, y, c->ch, |
| 467 |
&(c->t_attrib)); |
| 468 |
} |
| 469 |
dpy_update(s->ds, s->x * FONT_WIDTH, y * FONT_HEIGHT, |
| 470 |
FONT_WIDTH, FONT_HEIGHT); |
| 471 |
} |
| 472 |
} |
| 473 |
} |
| 474 |
|
| 475 |
static void console_refresh(TextConsole *s) |
| 476 |
{
|
| 477 |
TextCell *c; |
| 478 |
int x, y, y1;
|
| 479 |
|
| 480 |
if (s != active_console)
|
| 481 |
return;
|
| 482 |
|
| 483 |
vga_fill_rect(s->ds, 0, 0, s->ds->width, s->ds->height, |
| 484 |
color_table[0][COLOR_BLACK]);
|
| 485 |
y1 = s->y_displayed; |
| 486 |
for(y = 0; y < s->height; y++) { |
| 487 |
c = s->cells + y1 * s->width; |
| 488 |
for(x = 0; x < s->width; x++) { |
| 489 |
vga_putcharxy(s->ds, x, y, c->ch, |
| 490 |
&(c->t_attrib)); |
| 491 |
c++; |
| 492 |
} |
| 493 |
if (++y1 == s->total_height)
|
| 494 |
y1 = 0;
|
| 495 |
} |
| 496 |
dpy_update(s->ds, 0, 0, s->ds->width, s->ds->height); |
| 497 |
console_show_cursor(s, 1);
|
| 498 |
} |
| 499 |
|
| 500 |
static void console_scroll(int ydelta) |
| 501 |
{
|
| 502 |
TextConsole *s; |
| 503 |
int i, y1;
|
| 504 |
|
| 505 |
s = active_console; |
| 506 |
if (!s || !s->text_console)
|
| 507 |
return;
|
| 508 |
|
| 509 |
if (ydelta > 0) { |
| 510 |
for(i = 0; i < ydelta; i++) { |
| 511 |
if (s->y_displayed == s->y_base)
|
| 512 |
break;
|
| 513 |
if (++s->y_displayed == s->total_height)
|
| 514 |
s->y_displayed = 0;
|
| 515 |
} |
| 516 |
} else {
|
| 517 |
ydelta = -ydelta; |
| 518 |
i = s->backscroll_height; |
| 519 |
if (i > s->total_height - s->height)
|
| 520 |
i = s->total_height - s->height; |
| 521 |
y1 = s->y_base - i; |
| 522 |
if (y1 < 0) |
| 523 |
y1 += s->total_height; |
| 524 |
for(i = 0; i < ydelta; i++) { |
| 525 |
if (s->y_displayed == y1)
|
| 526 |
break;
|
| 527 |
if (--s->y_displayed < 0) |
| 528 |
s->y_displayed = s->total_height - 1;
|
| 529 |
} |
| 530 |
} |
| 531 |
console_refresh(s); |
| 532 |
} |
| 533 |
|
| 534 |
static void console_put_lf(TextConsole *s) |
| 535 |
{
|
| 536 |
TextCell *c; |
| 537 |
int x, y1;
|
| 538 |
|
| 539 |
s->x = 0;
|
| 540 |
s->y++; |
| 541 |
if (s->y >= s->height) {
|
| 542 |
s->y = s->height - 1;
|
| 543 |
|
| 544 |
if (s->y_displayed == s->y_base) {
|
| 545 |
if (++s->y_displayed == s->total_height)
|
| 546 |
s->y_displayed = 0;
|
| 547 |
} |
| 548 |
if (++s->y_base == s->total_height)
|
| 549 |
s->y_base = 0;
|
| 550 |
if (s->backscroll_height < s->total_height)
|
| 551 |
s->backscroll_height++; |
| 552 |
y1 = (s->y_base + s->height - 1) % s->total_height;
|
| 553 |
c = &s->cells[y1 * s->width]; |
| 554 |
for(x = 0; x < s->width; x++) { |
| 555 |
c->ch = ' ';
|
| 556 |
c->t_attrib = s->t_attrib_default; |
| 557 |
c++; |
| 558 |
} |
| 559 |
if (s == active_console && s->y_displayed == s->y_base) {
|
| 560 |
vga_bitblt(s->ds, 0, FONT_HEIGHT, 0, 0, |
| 561 |
s->width * FONT_WIDTH, |
| 562 |
(s->height - 1) * FONT_HEIGHT);
|
| 563 |
vga_fill_rect(s->ds, 0, (s->height - 1) * FONT_HEIGHT, |
| 564 |
s->width * FONT_WIDTH, FONT_HEIGHT, |
| 565 |
color_table[0][s->t_attrib_default.bgcol]);
|
| 566 |
dpy_update(s->ds, 0, 0, |
| 567 |
s->width * FONT_WIDTH, s->height * FONT_HEIGHT); |
| 568 |
} |
| 569 |
} |
| 570 |
} |
| 571 |
|
| 572 |
/* Set console attributes depending on the current escape codes.
|
| 573 |
* NOTE: I know this code is not very efficient (checking every color for it
|
| 574 |
* self) but it is more readable and better maintainable.
|
| 575 |
*/
|
| 576 |
static void console_handle_escape(TextConsole *s) |
| 577 |
{
|
| 578 |
int i;
|
| 579 |
|
| 580 |
if (s->nb_esc_params == 0) { /* ESC[m sets all attributes to default */ |
| 581 |
s->t_attrib = s->t_attrib_default; |
| 582 |
return;
|
| 583 |
} |
| 584 |
for (i=0; i<s->nb_esc_params; i++) { |
| 585 |
switch (s->esc_params[i]) {
|
| 586 |
case 0: /* reset all console attributes to default */ |
| 587 |
s->t_attrib = s->t_attrib_default; |
| 588 |
break;
|
| 589 |
case 1: |
| 590 |
s->t_attrib.bold = 1;
|
| 591 |
break;
|
| 592 |
case 4: |
| 593 |
s->t_attrib.uline = 1;
|
| 594 |
break;
|
| 595 |
case 5: |
| 596 |
s->t_attrib.blink = 1;
|
| 597 |
break;
|
| 598 |
case 7: |
| 599 |
s->t_attrib.invers = 1;
|
| 600 |
break;
|
| 601 |
case 8: |
| 602 |
s->t_attrib.unvisible = 1;
|
| 603 |
break;
|
| 604 |
case 22: |
| 605 |
s->t_attrib.bold = 0;
|
| 606 |
break;
|
| 607 |
case 24: |
| 608 |
s->t_attrib.uline = 0;
|
| 609 |
break;
|
| 610 |
case 25: |
| 611 |
s->t_attrib.blink = 0;
|
| 612 |
break;
|
| 613 |
case 27: |
| 614 |
s->t_attrib.invers = 0;
|
| 615 |
break;
|
| 616 |
case 28: |
| 617 |
s->t_attrib.unvisible = 0;
|
| 618 |
break;
|
| 619 |
/* set foreground color */
|
| 620 |
case 30: |
| 621 |
s->t_attrib.fgcol=COLOR_BLACK; |
| 622 |
break;
|
| 623 |
case 31: |
| 624 |
s->t_attrib.fgcol=COLOR_RED; |
| 625 |
break;
|
| 626 |
case 32: |
| 627 |
s->t_attrib.fgcol=COLOR_GREEN; |
| 628 |
break;
|
| 629 |
case 33: |
| 630 |
s->t_attrib.fgcol=COLOR_YELLOW; |
| 631 |
break;
|
| 632 |
case 34: |
| 633 |
s->t_attrib.fgcol=COLOR_BLUE; |
| 634 |
break;
|
| 635 |
case 35: |
| 636 |
s->t_attrib.fgcol=COLOR_MAGENTA; |
| 637 |
break;
|
| 638 |
case 36: |
| 639 |
s->t_attrib.fgcol=COLOR_CYAN; |
| 640 |
break;
|
| 641 |
case 37: |
| 642 |
s->t_attrib.fgcol=COLOR_WHITE; |
| 643 |
break;
|
| 644 |
/* set background color */
|
| 645 |
case 40: |
| 646 |
s->t_attrib.bgcol=COLOR_BLACK; |
| 647 |
break;
|
| 648 |
case 41: |
| 649 |
s->t_attrib.bgcol=COLOR_RED; |
| 650 |
break;
|
| 651 |
case 42: |
| 652 |
s->t_attrib.bgcol=COLOR_GREEN; |
| 653 |
break;
|
| 654 |
case 43: |
| 655 |
s->t_attrib.bgcol=COLOR_YELLOW; |
| 656 |
break;
|
| 657 |
case 44: |
| 658 |
s->t_attrib.bgcol=COLOR_BLUE; |
| 659 |
break;
|
| 660 |
case 45: |
| 661 |
s->t_attrib.bgcol=COLOR_MAGENTA; |
| 662 |
break;
|
| 663 |
case 46: |
| 664 |
s->t_attrib.bgcol=COLOR_CYAN; |
| 665 |
break;
|
| 666 |
case 47: |
| 667 |
s->t_attrib.bgcol=COLOR_WHITE; |
| 668 |
break;
|
| 669 |
} |
| 670 |
} |
| 671 |
} |
| 672 |
|
| 673 |
static void console_putchar(TextConsole *s, int ch) |
| 674 |
{
|
| 675 |
TextCell *c; |
| 676 |
int y1, i, x;
|
| 677 |
|
| 678 |
switch(s->state) {
|
| 679 |
case TTY_STATE_NORM:
|
| 680 |
switch(ch) {
|
| 681 |
case '\r': /* carriage return */ |
| 682 |
s->x = 0;
|
| 683 |
break;
|
| 684 |
case '\n': /* newline */ |
| 685 |
console_put_lf(s); |
| 686 |
break;
|
| 687 |
case '\b': /* backspace */ |
| 688 |
if(s->x > 0) s->x--; |
| 689 |
y1 = (s->y_base + s->y) % s->total_height; |
| 690 |
c = &s->cells[y1 * s->width + s->x]; |
| 691 |
c->ch = ' ';
|
| 692 |
c->t_attrib = s->t_attrib; |
| 693 |
update_xy(s, s->x, s->y); |
| 694 |
break;
|
| 695 |
case '\t': /* tabspace */ |
| 696 |
if (s->x + (8 - (s->x % 8)) > s->width) { |
| 697 |
console_put_lf(s); |
| 698 |
} else {
|
| 699 |
s->x = s->x + (8 - (s->x % 8)); |
| 700 |
} |
| 701 |
break;
|
| 702 |
case '\a': /* alert aka. bell */ |
| 703 |
/* TODO: has to be implemented */
|
| 704 |
break;
|
| 705 |
case 27: /* esc (introducing an escape sequence) */ |
| 706 |
s->state = TTY_STATE_ESC; |
| 707 |
break;
|
| 708 |
default:
|
| 709 |
y1 = (s->y_base + s->y) % s->total_height; |
| 710 |
c = &s->cells[y1 * s->width + s->x]; |
| 711 |
c->ch = ch; |
| 712 |
c->t_attrib = s->t_attrib; |
| 713 |
update_xy(s, s->x, s->y); |
| 714 |
s->x++; |
| 715 |
if (s->x >= s->width)
|
| 716 |
console_put_lf(s); |
| 717 |
break;
|
| 718 |
} |
| 719 |
break;
|
| 720 |
case TTY_STATE_ESC: /* check if it is a terminal escape sequence */ |
| 721 |
if (ch == '[') { |
| 722 |
for(i=0;i<MAX_ESC_PARAMS;i++) |
| 723 |
s->esc_params[i] = 0;
|
| 724 |
s->nb_esc_params = 0;
|
| 725 |
s->state = TTY_STATE_CSI; |
| 726 |
} else {
|
| 727 |
s->state = TTY_STATE_NORM; |
| 728 |
} |
| 729 |
break;
|
| 730 |
case TTY_STATE_CSI: /* handle escape sequence parameters */ |
| 731 |
if (ch >= '0' && ch <= '9') { |
| 732 |
if (s->nb_esc_params < MAX_ESC_PARAMS) {
|
| 733 |
s->esc_params[s->nb_esc_params] = |
| 734 |
s->esc_params[s->nb_esc_params] * 10 + ch - '0'; |
| 735 |
} |
| 736 |
} else {
|
| 737 |
s->nb_esc_params++; |
| 738 |
if (ch == ';') |
| 739 |
break;
|
| 740 |
s->state = TTY_STATE_NORM; |
| 741 |
switch(ch) {
|
| 742 |
case 'D': |
| 743 |
if (s->x > 0) |
| 744 |
s->x--; |
| 745 |
break;
|
| 746 |
case 'C': |
| 747 |
if (s->x < (s->width - 1)) |
| 748 |
s->x++; |
| 749 |
break;
|
| 750 |
case 'K': |
| 751 |
/* clear to eol */
|
| 752 |
y1 = (s->y_base + s->y) % s->total_height; |
| 753 |
for(x = s->x; x < s->width; x++) {
|
| 754 |
c = &s->cells[y1 * s->width + x]; |
| 755 |
c->ch = ' ';
|
| 756 |
c->t_attrib = s->t_attrib_default; |
| 757 |
c++; |
| 758 |
update_xy(s, x, s->y); |
| 759 |
} |
| 760 |
break;
|
| 761 |
default:
|
| 762 |
break;
|
| 763 |
} |
| 764 |
console_handle_escape(s); |
| 765 |
break;
|
| 766 |
} |
| 767 |
} |
| 768 |
} |
| 769 |
|
| 770 |
void console_select(unsigned int index) |
| 771 |
{
|
| 772 |
TextConsole *s; |
| 773 |
|
| 774 |
if (index >= MAX_CONSOLES)
|
| 775 |
return;
|
| 776 |
s = consoles[index]; |
| 777 |
if (s) {
|
| 778 |
active_console = s; |
| 779 |
if (s->text_console) {
|
| 780 |
if (s->g_width != s->ds->width ||
|
| 781 |
s->g_height != s->ds->height) {
|
| 782 |
s->g_width = s->ds->width; |
| 783 |
s->g_height = s->ds->height; |
| 784 |
text_console_resize(s); |
| 785 |
} |
| 786 |
console_refresh(s); |
| 787 |
} |
| 788 |
} |
| 789 |
} |
| 790 |
|
| 791 |
static int console_puts(CharDriverState *chr, const uint8_t *buf, int len) |
| 792 |
{
|
| 793 |
TextConsole *s = chr->opaque; |
| 794 |
int i;
|
| 795 |
|
| 796 |
console_show_cursor(s, 0);
|
| 797 |
for(i = 0; i < len; i++) { |
| 798 |
console_putchar(s, buf[i]); |
| 799 |
} |
| 800 |
console_show_cursor(s, 1);
|
| 801 |
return len;
|
| 802 |
} |
| 803 |
|
| 804 |
static void console_chr_add_read_handler(CharDriverState *chr, |
| 805 |
IOCanRWHandler *fd_can_read, |
| 806 |
IOReadHandler *fd_read, void *opaque)
|
| 807 |
{
|
| 808 |
TextConsole *s = chr->opaque; |
| 809 |
s->fd_read = fd_read; |
| 810 |
s->fd_opaque = opaque; |
| 811 |
} |
| 812 |
|
| 813 |
static void console_send_event(CharDriverState *chr, int event) |
| 814 |
{
|
| 815 |
TextConsole *s = chr->opaque; |
| 816 |
int i;
|
| 817 |
|
| 818 |
if (event == CHR_EVENT_FOCUS) {
|
| 819 |
for(i = 0; i < nb_consoles; i++) { |
| 820 |
if (consoles[i] == s) {
|
| 821 |
console_select(i); |
| 822 |
break;
|
| 823 |
} |
| 824 |
} |
| 825 |
} |
| 826 |
} |
| 827 |
|
| 828 |
/* called when an ascii key is pressed */
|
| 829 |
void kbd_put_keysym(int keysym) |
| 830 |
{
|
| 831 |
TextConsole *s; |
| 832 |
uint8_t buf[16], *q;
|
| 833 |
int c;
|
| 834 |
|
| 835 |
s = active_console; |
| 836 |
if (!s || !s->text_console)
|
| 837 |
return;
|
| 838 |
|
| 839 |
switch(keysym) {
|
| 840 |
case QEMU_KEY_CTRL_UP:
|
| 841 |
console_scroll(-1);
|
| 842 |
break;
|
| 843 |
case QEMU_KEY_CTRL_DOWN:
|
| 844 |
console_scroll(1);
|
| 845 |
break;
|
| 846 |
case QEMU_KEY_CTRL_PAGEUP:
|
| 847 |
console_scroll(-10);
|
| 848 |
break;
|
| 849 |
case QEMU_KEY_CTRL_PAGEDOWN:
|
| 850 |
console_scroll(10);
|
| 851 |
break;
|
| 852 |
default:
|
| 853 |
if (s->fd_read) {
|
| 854 |
/* convert the QEMU keysym to VT100 key string */
|
| 855 |
q = buf; |
| 856 |
if (keysym >= 0xe100 && keysym <= 0xe11f) { |
| 857 |
*q++ = '\033';
|
| 858 |
*q++ = '[';
|
| 859 |
c = keysym - 0xe100;
|
| 860 |
if (c >= 10) |
| 861 |
*q++ = '0' + (c / 10); |
| 862 |
*q++ = '0' + (c % 10); |
| 863 |
*q++ = '~';
|
| 864 |
} else if (keysym >= 0xe120 && keysym <= 0xe17f) { |
| 865 |
*q++ = '\033';
|
| 866 |
*q++ = '[';
|
| 867 |
*q++ = keysym & 0xff;
|
| 868 |
} else {
|
| 869 |
*q++ = keysym; |
| 870 |
} |
| 871 |
s->fd_read(s->fd_opaque, buf, q - buf); |
| 872 |
} |
| 873 |
break;
|
| 874 |
} |
| 875 |
} |
| 876 |
|
| 877 |
TextConsole *graphic_console_init(DisplayState *ds) |
| 878 |
{
|
| 879 |
TextConsole *s; |
| 880 |
|
| 881 |
if (nb_consoles >= MAX_CONSOLES)
|
| 882 |
return NULL; |
| 883 |
s = qemu_mallocz(sizeof(TextConsole));
|
| 884 |
if (!s) {
|
| 885 |
return NULL; |
| 886 |
} |
| 887 |
if (!active_console)
|
| 888 |
active_console = s; |
| 889 |
s->ds = ds; |
| 890 |
consoles[nb_consoles++] = s; |
| 891 |
return s;
|
| 892 |
} |
| 893 |
|
| 894 |
int is_active_console(TextConsole *s)
|
| 895 |
{
|
| 896 |
return s == active_console;
|
| 897 |
} |
| 898 |
|
| 899 |
CharDriverState *text_console_init(DisplayState *ds) |
| 900 |
{
|
| 901 |
CharDriverState *chr; |
| 902 |
TextConsole *s; |
| 903 |
int i,j;
|
| 904 |
static int color_inited; |
| 905 |
|
| 906 |
chr = qemu_mallocz(sizeof(CharDriverState));
|
| 907 |
if (!chr)
|
| 908 |
return NULL; |
| 909 |
s = graphic_console_init(ds); |
| 910 |
if (!s) {
|
| 911 |
free(chr); |
| 912 |
return NULL; |
| 913 |
} |
| 914 |
s->text_console = 1;
|
| 915 |
chr->opaque = s; |
| 916 |
chr->chr_write = console_puts; |
| 917 |
chr->chr_add_read_handler = console_chr_add_read_handler; |
| 918 |
chr->chr_send_event = console_send_event; |
| 919 |
|
| 920 |
if (!color_inited) {
|
| 921 |
color_inited = 1;
|
| 922 |
for(j = 0; j < 2; j++) { |
| 923 |
for(i = 0; i < 8; i++) { |
| 924 |
color_table[j][i] = col_expand(s->ds, |
| 925 |
vga_get_color(s->ds, color_table_rgb[j][i])); |
| 926 |
} |
| 927 |
} |
| 928 |
} |
| 929 |
s->y_displayed = 0;
|
| 930 |
s->y_base = 0;
|
| 931 |
s->total_height = DEFAULT_BACKSCROLL; |
| 932 |
s->x = 0;
|
| 933 |
s->y = 0;
|
| 934 |
s->g_width = s->ds->width; |
| 935 |
s->g_height = s->ds->height; |
| 936 |
|
| 937 |
/* Set text attribute defaults */
|
| 938 |
s->t_attrib_default.bold = 0;
|
| 939 |
s->t_attrib_default.uline = 0;
|
| 940 |
s->t_attrib_default.blink = 0;
|
| 941 |
s->t_attrib_default.invers = 0;
|
| 942 |
s->t_attrib_default.unvisible = 0;
|
| 943 |
s->t_attrib_default.fgcol = COLOR_WHITE; |
| 944 |
s->t_attrib_default.bgcol = COLOR_BLACK; |
| 945 |
|
| 946 |
/* set current text attributes to default */
|
| 947 |
s->t_attrib = s->t_attrib_default; |
| 948 |
text_console_resize(s); |
| 949 |
|
| 950 |
return chr;
|
| 951 |
} |