--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/symbian-qemu-0.9.1-12/qemu-symbian-svp/console.c Fri Jul 31 15:01:17 2009 +0100
@@ -0,0 +1,1263 @@
+/*
+ * QEMU graphical console
+ *
+ * Copyright (c) 2004 Fabrice Bellard
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+#include "qemu-common.h"
+#include "console.h"
+#include "qemu-timer.h"
+#include "gui_host.h"
+
+//#define DEBUG_CONSOLE
+#define DEFAULT_BACKSCROLL 512
+#define DEFAULT_MONITOR_SIZE "800x600"
+
+#define QEMU_RGBA(r, g, b, a) (((a) << 24) | ((r) << 16) | ((g) << 8) | (b))
+#define QEMU_RGB(r, g, b) QEMU_RGBA(r, g, b, 0xff)
+
+typedef struct TextAttributes {
+ uint8_t fgcol:4;
+ uint8_t bgcol:4;
+ uint8_t bold:1;
+ uint8_t uline:1;
+ uint8_t blink:1;
+ uint8_t invers:1;
+ uint8_t unvisible:1;
+} TextAttributes;
+
+typedef struct TextCell {
+ uint8_t ch;
+ TextAttributes t_attrib;
+} TextCell;
+
+#define MAX_ESC_PARAMS 3
+
+enum TTYState {
+ TTY_STATE_NORM,
+ TTY_STATE_ESC,
+ TTY_STATE_CSI,
+};
+
+typedef struct QEMUFIFO {
+ uint8_t *buf;
+ int buf_size;
+ int count, wptr, rptr;
+} QEMUFIFO;
+
+static int qemu_fifo_write(QEMUFIFO *f, const uint8_t *buf, int len1)
+{
+ int l, len;
+
+ l = f->buf_size - f->count;
+ if (len1 > l)
+ len1 = l;
+ len = len1;
+ while (len > 0) {
+ l = f->buf_size - f->wptr;
+ if (l > len)
+ l = len;
+ memcpy(f->buf + f->wptr, buf, l);
+ f->wptr += l;
+ if (f->wptr >= f->buf_size)
+ f->wptr = 0;
+ buf += l;
+ len -= l;
+ }
+ f->count += len1;
+ return len1;
+}
+
+static int qemu_fifo_read(QEMUFIFO *f, uint8_t *buf, int len1)
+{
+ int l, len;
+
+ if (len1 > f->count)
+ len1 = f->count;
+ len = len1;
+ while (len > 0) {
+ l = f->buf_size - f->rptr;
+ if (l > len)
+ l = len;
+ memcpy(buf, f->buf + f->rptr, l);
+ f->rptr += l;
+ if (f->rptr >= f->buf_size)
+ f->rptr = 0;
+ buf += l;
+ len -= l;
+ }
+ f->count -= len1;
+ return len1;
+}
+
+struct TextConsole {
+ int fixed_size;
+ DisplayState *ds;
+ /* Graphic console state. */
+ vga_hw_text_update_ptr hw_text_update;
+ void *hw;
+
+ int g_width, g_height;
+ int width;
+ int height;
+ int total_height;
+ int backscroll_height;
+ int x, y;
+ int x_saved, y_saved;
+ int y_displayed;
+ int y_base;
+ TextAttributes t_attrib_default; /* default text attributes */
+ TextAttributes t_attrib; /* currently active text attributes */
+ TextCell *cells;
+ int text_x[2], text_y[2], cursor_invalidate;
+
+ enum TTYState state;
+ int esc_params[MAX_ESC_PARAMS];
+ int nb_esc_params;
+
+ CharDriverState *chr;
+ /* fifo for key pressed */
+ QEMUFIFO out_fifo;
+ uint8_t out_fifo_buf[16];
+ QEMUTimer *kbd_timer;
+};
+
+/* convert a RGBA color to a color index usable in graphic primitives */
+static unsigned int vga_get_color(DisplayState *ds, unsigned int rgba)
+{
+ unsigned int r, g, b, color;
+
+ switch(ds_get_bits_per_pixel(ds)) {
+#if 0
+ case 8:
+ r = (rgba >> 16) & 0xff;
+ g = (rgba >> 8) & 0xff;
+ b = (rgba) & 0xff;
+ color = (rgb_to_index[r] * 6 * 6) +
+ (rgb_to_index[g] * 6) +
+ (rgb_to_index[b]);
+ break;
+#endif
+ case 15:
+ r = (rgba >> 16) & 0xff;
+ g = (rgba >> 8) & 0xff;
+ b = (rgba) & 0xff;
+ color = ((r >> 3) << 10) | ((g >> 3) << 5) | (b >> 3);
+ break;
+ case 16:
+ r = (rgba >> 16) & 0xff;
+ g = (rgba >> 8) & 0xff;
+ b = (rgba) & 0xff;
+ color = ((r >> 3) << 11) | ((g >> 2) << 5) | (b >> 3);
+ break;
+ case 32:
+ default:
+ color = rgba;
+ break;
+ }
+ return color;
+}
+
+static void vga_fill_rect (DisplayState *ds,
+ int posx, int posy, int width, int height, uint32_t color)
+{
+ uint8_t *d, *d1;
+ int x, y, bpp;
+
+ bpp = (ds_get_bits_per_pixel(ds) + 7) >> 3;
+ d1 = ds_get_data(ds) +
+ ds_get_linesize(ds) * posy + bpp * posx;
+ for (y = 0; y < height; y++) {
+ d = d1;
+ switch(bpp) {
+ case 1:
+ for (x = 0; x < width; x++) {
+ *((uint8_t *)d) = color;
+ d++;
+ }
+ break;
+ case 2:
+ for (x = 0; x < width; x++) {
+ *((uint16_t *)d) = color;
+ d += 2;
+ }
+ break;
+ case 4:
+ for (x = 0; x < width; x++) {
+ *((uint32_t *)d) = color;
+ d += 4;
+ }
+ break;
+ }
+ d1 += ds_get_linesize(ds);
+ }
+}
+
+/* copy from (xs, ys) to (xd, yd) a rectangle of size (w, h) */
+static void vga_bitblt(DisplayState *ds, int xs, int ys, int xd, int yd, int w, int h)
+{
+ const uint8_t *s;
+ uint8_t *d;
+ int wb, y, bpp;
+
+ bpp = (ds_get_bits_per_pixel(ds) + 7) >> 3;
+ wb = w * bpp;
+ if (yd <= ys) {
+ s = ds_get_data(ds) +
+ ds_get_linesize(ds) * ys + bpp * xs;
+ d = ds_get_data(ds) +
+ ds_get_linesize(ds) * yd + bpp * xd;
+ for (y = 0; y < h; y++) {
+ memmove(d, s, wb);
+ d += ds_get_linesize(ds);
+ s += ds_get_linesize(ds);
+ }
+ } else {
+ s = ds_get_data(ds) +
+ ds_get_linesize(ds) * (ys + h - 1) + bpp * xs;
+ d = ds_get_data(ds) +
+ ds_get_linesize(ds) * (yd + h - 1) + bpp * xd;
+ for (y = 0; y < h; y++) {
+ memmove(d, s, wb);
+ d -= ds_get_linesize(ds);
+ s -= ds_get_linesize(ds);
+ }
+ }
+}
+
+/***********************************************************/
+/* basic char display */
+
+#define FONT_HEIGHT 16
+#define FONT_WIDTH 8
+
+#include "vgafont.h"
+
+#define cbswap_32(__x) \
+((uint32_t)( \
+ (((uint32_t)(__x) & (uint32_t)0x000000ffUL) << 24) | \
+ (((uint32_t)(__x) & (uint32_t)0x0000ff00UL) << 8) | \
+ (((uint32_t)(__x) & (uint32_t)0x00ff0000UL) >> 8) | \
+ (((uint32_t)(__x) & (uint32_t)0xff000000UL) >> 24) ))
+
+#ifdef WORDS_BIGENDIAN
+#define PAT(x) x
+#else
+#define PAT(x) cbswap_32(x)
+#endif
+
+static const uint32_t dmask16[16] = {
+ PAT(0x00000000),
+ PAT(0x000000ff),
+ PAT(0x0000ff00),
+ PAT(0x0000ffff),
+ PAT(0x00ff0000),
+ PAT(0x00ff00ff),
+ PAT(0x00ffff00),
+ PAT(0x00ffffff),
+ PAT(0xff000000),
+ PAT(0xff0000ff),
+ PAT(0xff00ff00),
+ PAT(0xff00ffff),
+ PAT(0xffff0000),
+ PAT(0xffff00ff),
+ PAT(0xffffff00),
+ PAT(0xffffffff),
+};
+
+static const uint32_t dmask4[4] = {
+ PAT(0x00000000),
+ PAT(0x0000ffff),
+ PAT(0xffff0000),
+ PAT(0xffffffff),
+};
+
+static uint32_t color_table[2][8];
+
+enum color_names {
+ COLOR_BLACK = 0,
+ COLOR_RED = 1,
+ COLOR_GREEN = 2,
+ COLOR_YELLOW = 3,
+ COLOR_BLUE = 4,
+ COLOR_MAGENTA = 5,
+ COLOR_CYAN = 6,
+ COLOR_WHITE = 7
+};
+
+static const uint32_t color_table_rgb[2][8] = {
+ { /* dark */
+ QEMU_RGB(0x00, 0x00, 0x00), /* black */
+ QEMU_RGB(0xaa, 0x00, 0x00), /* red */
+ QEMU_RGB(0x00, 0xaa, 0x00), /* green */
+ QEMU_RGB(0xaa, 0xaa, 0x00), /* yellow */
+ QEMU_RGB(0x00, 0x00, 0xaa), /* blue */
+ QEMU_RGB(0xaa, 0x00, 0xaa), /* magenta */
+ QEMU_RGB(0x00, 0xaa, 0xaa), /* cyan */
+ QEMU_RGB(0xaa, 0xaa, 0xaa), /* white */
+ },
+ { /* bright */
+ QEMU_RGB(0x00, 0x00, 0x00), /* black */
+ QEMU_RGB(0xff, 0x00, 0x00), /* red */
+ QEMU_RGB(0x00, 0xff, 0x00), /* green */
+ QEMU_RGB(0xff, 0xff, 0x00), /* yellow */
+ QEMU_RGB(0x00, 0x00, 0xff), /* blue */
+ QEMU_RGB(0xff, 0x00, 0xff), /* magenta */
+ QEMU_RGB(0x00, 0xff, 0xff), /* cyan */
+ QEMU_RGB(0xff, 0xff, 0xff), /* white */
+ }
+};
+
+static inline unsigned int col_expand(DisplayState *ds, unsigned int col)
+{
+ switch(ds_get_bits_per_pixel(ds)) {
+ case 8:
+ col |= col << 8;
+ col |= col << 16;
+ break;
+ case 15:
+ case 16:
+ col |= col << 16;
+ break;
+ default:
+ break;
+ }
+
+ return col;
+}
+#ifdef DEBUG_CONSOLE
+static void console_print_text_attributes(TextAttributes *t_attrib, char ch)
+{
+ if (t_attrib->bold) {
+ printf("b");
+ } else {
+ printf(" ");
+ }
+ if (t_attrib->uline) {
+ printf("u");
+ } else {
+ printf(" ");
+ }
+ if (t_attrib->blink) {
+ printf("l");
+ } else {
+ printf(" ");
+ }
+ if (t_attrib->invers) {
+ printf("i");
+ } else {
+ printf(" ");
+ }
+ if (t_attrib->unvisible) {
+ printf("n");
+ } else {
+ printf(" ");
+ }
+
+ printf(" fg: %d bg: %d ch:'%2X' '%c'\n", t_attrib->fgcol, t_attrib->bgcol, ch, ch);
+}
+#endif
+
+static void vga_putcharxy(DisplayState *ds, int x, int y, int ch,
+ TextAttributes *t_attrib)
+{
+ uint8_t *d;
+ const uint8_t *font_ptr;
+ unsigned int font_data, linesize, xorcol, bpp;
+ int i;
+ unsigned int fgcol, bgcol;
+
+#ifdef DEBUG_CONSOLE
+ printf("x: %2i y: %2i", x, y);
+ console_print_text_attributes(t_attrib, ch);
+#endif
+
+ if (t_attrib->invers) {
+ bgcol = color_table[t_attrib->bold][t_attrib->fgcol];
+ fgcol = color_table[t_attrib->bold][t_attrib->bgcol];
+ } else {
+ fgcol = color_table[t_attrib->bold][t_attrib->fgcol];
+ bgcol = color_table[t_attrib->bold][t_attrib->bgcol];
+ }
+
+ bpp = (ds_get_bits_per_pixel(ds) + 7) >> 3;
+ d = ds_get_data(ds) +
+ ds_get_linesize(ds) * y * FONT_HEIGHT + bpp * x * FONT_WIDTH;
+ linesize = ds_get_linesize(ds);
+ font_ptr = vgafont16 + FONT_HEIGHT * ch;
+ xorcol = bgcol ^ fgcol;
+ switch(ds_get_bits_per_pixel(ds)) {
+ case 8:
+ for(i = 0; i < FONT_HEIGHT; i++) {
+ font_data = *font_ptr++;
+ if (t_attrib->uline
+ && ((i == FONT_HEIGHT - 2) || (i == FONT_HEIGHT - 3))) {
+ font_data = 0xFFFF;
+ }
+ ((uint32_t *)d)[0] = (dmask16[(font_data >> 4)] & xorcol) ^ bgcol;
+ ((uint32_t *)d)[1] = (dmask16[(font_data >> 0) & 0xf] & xorcol) ^ bgcol;
+ d += linesize;
+ }
+ break;
+ case 16:
+ case 15:
+ for(i = 0; i < FONT_HEIGHT; i++) {
+ font_data = *font_ptr++;
+ if (t_attrib->uline
+ && ((i == FONT_HEIGHT - 2) || (i == FONT_HEIGHT - 3))) {
+ font_data = 0xFFFF;
+ }
+ ((uint32_t *)d)[0] = (dmask4[(font_data >> 6)] & xorcol) ^ bgcol;
+ ((uint32_t *)d)[1] = (dmask4[(font_data >> 4) & 3] & xorcol) ^ bgcol;
+ ((uint32_t *)d)[2] = (dmask4[(font_data >> 2) & 3] & xorcol) ^ bgcol;
+ ((uint32_t *)d)[3] = (dmask4[(font_data >> 0) & 3] & xorcol) ^ bgcol;
+ d += linesize;
+ }
+ break;
+ case 32:
+ for(i = 0; i < FONT_HEIGHT; i++) {
+ font_data = *font_ptr++;
+ if (t_attrib->uline && ((i == FONT_HEIGHT - 2) || (i == FONT_HEIGHT - 3))) {
+ font_data = 0xFFFF;
+ }
+ ((uint32_t *)d)[0] = (-((font_data >> 7)) & xorcol) ^ bgcol;
+ ((uint32_t *)d)[1] = (-((font_data >> 6) & 1) & xorcol) ^ bgcol;
+ ((uint32_t *)d)[2] = (-((font_data >> 5) & 1) & xorcol) ^ bgcol;
+ ((uint32_t *)d)[3] = (-((font_data >> 4) & 1) & xorcol) ^ bgcol;
+ ((uint32_t *)d)[4] = (-((font_data >> 3) & 1) & xorcol) ^ bgcol;
+ ((uint32_t *)d)[5] = (-((font_data >> 2) & 1) & xorcol) ^ bgcol;
+ ((uint32_t *)d)[6] = (-((font_data >> 1) & 1) & xorcol) ^ bgcol;
+ ((uint32_t *)d)[7] = (-((font_data >> 0) & 1) & xorcol) ^ bgcol;
+ d += linesize;
+ }
+ break;
+ }
+}
+
+static void text_console_resize_int(TextConsole *s)
+{
+ TextCell *cells, *c, *c1;
+ int w1, x, y, last_width;
+
+ last_width = s->width;
+ s->width = s->g_width / FONT_WIDTH;
+ s->height = s->g_height / FONT_HEIGHT;
+
+ w1 = last_width;
+ if (s->width < w1)
+ w1 = s->width;
+
+ cells = qemu_malloc(s->width * s->total_height * sizeof(TextCell));
+ for(y = 0; y < s->total_height; y++) {
+ c = &cells[y * s->width];
+ if (w1 > 0) {
+ c1 = &s->cells[y * last_width];
+ for(x = 0; x < w1; x++) {
+ *c++ = *c1++;
+ }
+ }
+ for(x = w1; x < s->width; x++) {
+ c->ch = ' ';
+ c->t_attrib = s->t_attrib_default;
+ c++;
+ }
+ }
+ qemu_free(s->cells);
+ s->cells = cells;
+}
+
+static inline void text_update_xy(TextConsole *s, int x, int y)
+{
+ s->text_x[0] = MIN(s->text_x[0], x);
+ s->text_x[1] = MAX(s->text_x[1], x);
+ s->text_y[0] = MIN(s->text_y[0], y);
+ s->text_y[1] = MAX(s->text_y[1], y);
+}
+
+static void update_xy(TextConsole *s, int x, int y)
+{
+ TextCell *c;
+ int y1, y2;
+
+ if (gui_is_display_active(s->ds)) {
+ if (!ds_get_bits_per_pixel(s->ds)) {
+ text_update_xy(s, x, y);
+ return;
+ }
+
+ y1 = (s->y_base + y) % s->total_height;
+ y2 = y1 - s->y_displayed;
+ if (y2 < 0)
+ y2 += s->total_height;
+ if (y2 < s->height) {
+ c = &s->cells[y1 * s->width + x];
+ vga_putcharxy(s->ds, x, y2, c->ch,
+ &(c->t_attrib));
+ dpy_update(s->ds, x * FONT_WIDTH, y2 * FONT_HEIGHT,
+ FONT_WIDTH, FONT_HEIGHT);
+ }
+ }
+}
+
+static void console_show_cursor(TextConsole *s, int show)
+{
+ TextCell *c;
+ int y, y1;
+
+ if (gui_is_display_active(s->ds)) {
+ int x = s->x;
+
+ if (!ds_get_bits_per_pixel(s->ds)) {
+ s->cursor_invalidate = 1;
+ return;
+ }
+
+ if (x >= s->width) {
+ x = s->width - 1;
+ }
+ y1 = (s->y_base + s->y) % s->total_height;
+ y = y1 - s->y_displayed;
+ if (y < 0)
+ y += s->total_height;
+ if (y < s->height) {
+ c = &s->cells[y1 * s->width + x];
+ if (show) {
+ TextAttributes t_attrib = s->t_attrib_default;
+ t_attrib.invers = !(t_attrib.invers); /* invert fg and bg */
+ vga_putcharxy(s->ds, x, y, c->ch, &t_attrib);
+ } else {
+ vga_putcharxy(s->ds, x, y, c->ch, &(c->t_attrib));
+ }
+ dpy_update(s->ds, x * FONT_WIDTH, y * FONT_HEIGHT,
+ FONT_WIDTH, FONT_HEIGHT);
+ }
+ }
+}
+
+static void console_refresh(TextConsole *s)
+{
+ TextCell *c;
+ int x, y, y1;
+
+ if (!gui_is_display_active(s->ds))
+ return;
+ if (!ds_get_bits_per_pixel(s->ds)) {
+ s->text_x[0] = 0;
+ s->text_y[0] = 0;
+ s->text_x[1] = s->width - 1;
+ s->text_y[1] = s->height - 1;
+ s->cursor_invalidate = 1;
+ return;
+ }
+
+ vga_fill_rect(s->ds, 0, 0, ds_get_width(s->ds), ds_get_height(s->ds),
+ color_table[0][COLOR_BLACK]);
+ y1 = s->y_displayed;
+ for(y = 0; y < s->height; y++) {
+ c = s->cells + y1 * s->width;
+ for(x = 0; x < s->width; x++) {
+ vga_putcharxy(s->ds, x, y, c->ch,
+ &(c->t_attrib));
+ c++;
+ }
+ if (++y1 == s->total_height)
+ y1 = 0;
+ }
+ dpy_update(s->ds, 0, 0, ds_get_width(s->ds), ds_get_height(s->ds));
+ console_show_cursor(s, 1);
+}
+
+static void console_scroll(TextConsole *s, int ydelta)
+{
+
+ int i, y1;
+
+ if (!s)
+ return;
+
+ if (ydelta > 0) {
+ for(i = 0; i < ydelta; i++) {
+ if (s->y_displayed == s->y_base)
+ break;
+ if (++s->y_displayed == s->total_height)
+ s->y_displayed = 0;
+ }
+ } else {
+ ydelta = -ydelta;
+ i = s->backscroll_height;
+ if (i > s->total_height - s->height)
+ i = s->total_height - s->height;
+ y1 = s->y_base - i;
+ if (y1 < 0)
+ y1 += s->total_height;
+ for(i = 0; i < ydelta; i++) {
+ if (s->y_displayed == y1)
+ break;
+ if (--s->y_displayed < 0)
+ s->y_displayed = s->total_height - 1;
+ }
+ }
+ console_refresh(s);
+}
+
+static void console_put_lf(TextConsole *s)
+{
+ TextCell *c;
+ int x, y1;
+
+ s->y++;
+ if (s->y >= s->height) {
+ s->y = s->height - 1;
+
+ if (s->y_displayed == s->y_base) {
+ if (++s->y_displayed == s->total_height)
+ s->y_displayed = 0;
+ }
+ if (++s->y_base == s->total_height)
+ s->y_base = 0;
+ if (s->backscroll_height < s->total_height)
+ s->backscroll_height++;
+ y1 = (s->y_base + s->height - 1) % s->total_height;
+ c = &s->cells[y1 * s->width];
+ for(x = 0; x < s->width; x++) {
+ c->ch = ' ';
+ c->t_attrib = s->t_attrib_default;
+ c++;
+ }
+ if (gui_is_display_active(s->ds) && s->y_displayed == s->y_base) {
+ if (!ds_get_bits_per_pixel(s->ds)) {
+ s->text_x[0] = 0;
+ s->text_y[0] = 0;
+ s->text_x[1] = s->width - 1;
+ s->text_y[1] = s->height - 1;
+ return;
+ }
+
+ vga_bitblt(s->ds, 0, FONT_HEIGHT, 0, 0,
+ s->width * FONT_WIDTH,
+ (s->height - 1) * FONT_HEIGHT);
+ vga_fill_rect(s->ds, 0, (s->height - 1) * FONT_HEIGHT,
+ s->width * FONT_WIDTH, FONT_HEIGHT,
+ color_table[0][s->t_attrib_default.bgcol]);
+ dpy_update(s->ds, 0, 0,
+ s->width * FONT_WIDTH, s->height * FONT_HEIGHT);
+ }
+ }
+}
+
+/* Set console attributes depending on the current escape codes.
+ * NOTE: I know this code is not very efficient (checking every color for it
+ * self) but it is more readable and better maintainable.
+ */
+static void console_handle_escape(TextConsole *s)
+{
+ int i;
+
+ for (i=0; i<s->nb_esc_params; i++) {
+ switch (s->esc_params[i]) {
+ case 0: /* reset all console attributes to default */
+ s->t_attrib = s->t_attrib_default;
+ break;
+ case 1:
+ s->t_attrib.bold = 1;
+ break;
+ case 4:
+ s->t_attrib.uline = 1;
+ break;
+ case 5:
+ s->t_attrib.blink = 1;
+ break;
+ case 7:
+ s->t_attrib.invers = 1;
+ break;
+ case 8:
+ s->t_attrib.unvisible = 1;
+ break;
+ case 22:
+ s->t_attrib.bold = 0;
+ break;
+ case 24:
+ s->t_attrib.uline = 0;
+ break;
+ case 25:
+ s->t_attrib.blink = 0;
+ break;
+ case 27:
+ s->t_attrib.invers = 0;
+ break;
+ case 28:
+ s->t_attrib.unvisible = 0;
+ break;
+ /* set foreground color */
+ case 30:
+ s->t_attrib.fgcol=COLOR_BLACK;
+ break;
+ case 31:
+ s->t_attrib.fgcol=COLOR_RED;
+ break;
+ case 32:
+ s->t_attrib.fgcol=COLOR_GREEN;
+ break;
+ case 33:
+ s->t_attrib.fgcol=COLOR_YELLOW;
+ break;
+ case 34:
+ s->t_attrib.fgcol=COLOR_BLUE;
+ break;
+ case 35:
+ s->t_attrib.fgcol=COLOR_MAGENTA;
+ break;
+ case 36:
+ s->t_attrib.fgcol=COLOR_CYAN;
+ break;
+ case 37:
+ s->t_attrib.fgcol=COLOR_WHITE;
+ break;
+ /* set background color */
+ case 40:
+ s->t_attrib.bgcol=COLOR_BLACK;
+ break;
+ case 41:
+ s->t_attrib.bgcol=COLOR_RED;
+ break;
+ case 42:
+ s->t_attrib.bgcol=COLOR_GREEN;
+ break;
+ case 43:
+ s->t_attrib.bgcol=COLOR_YELLOW;
+ break;
+ case 44:
+ s->t_attrib.bgcol=COLOR_BLUE;
+ break;
+ case 45:
+ s->t_attrib.bgcol=COLOR_MAGENTA;
+ break;
+ case 46:
+ s->t_attrib.bgcol=COLOR_CYAN;
+ break;
+ case 47:
+ s->t_attrib.bgcol=COLOR_WHITE;
+ break;
+ }
+ }
+}
+
+static void console_clear_xy(TextConsole *s, int x, int y)
+{
+ int y1 = (s->y_base + y) % s->total_height;
+ TextCell *c = &s->cells[y1 * s->width + x];
+ c->ch = ' ';
+ c->t_attrib = s->t_attrib_default;
+ c++;
+ update_xy(s, x, y);
+}
+
+static void console_putchar(TextConsole *s, int ch)
+{
+ TextCell *c;
+ int y1, i;
+ int x, y;
+
+ switch(s->state) {
+ case TTY_STATE_NORM:
+ switch(ch) {
+ case '\r': /* carriage return */
+ s->x = 0;
+ break;
+ case '\n': /* newline */
+ console_put_lf(s);
+ break;
+ case '\b': /* backspace */
+ if (s->x > 0)
+ s->x--;
+ break;
+ case '\t': /* tabspace */
+ if (s->x + (8 - (s->x % 8)) > s->width) {
+ s->x = 0;
+ console_put_lf(s);
+ } else {
+ s->x = s->x + (8 - (s->x % 8));
+ }
+ break;
+ case '\a': /* alert aka. bell */
+ /* TODO: has to be implemented */
+ break;
+ case 14:
+ /* SI (shift in), character set 0 (ignored) */
+ break;
+ case 15:
+ /* SO (shift out), character set 1 (ignored) */
+ break;
+ case 27: /* esc (introducing an escape sequence) */
+ s->state = TTY_STATE_ESC;
+ break;
+ default:
+ if (s->x >= s->width) {
+ /* line wrap */
+ s->x = 0;
+ console_put_lf(s);
+ }
+ y1 = (s->y_base + s->y) % s->total_height;
+ c = &s->cells[y1 * s->width + s->x];
+ c->ch = ch;
+ c->t_attrib = s->t_attrib;
+ update_xy(s, s->x, s->y);
+ s->x++;
+ break;
+ }
+ break;
+ case TTY_STATE_ESC: /* check if it is a terminal escape sequence */
+ if (ch == '[') {
+ for(i=0;i<MAX_ESC_PARAMS;i++)
+ s->esc_params[i] = 0;
+ s->nb_esc_params = 0;
+ s->state = TTY_STATE_CSI;
+ } else {
+ s->state = TTY_STATE_NORM;
+ }
+ break;
+ case TTY_STATE_CSI: /* handle escape sequence parameters */
+ if (ch >= '0' && ch <= '9') {
+ if (s->nb_esc_params < MAX_ESC_PARAMS) {
+ s->esc_params[s->nb_esc_params] =
+ s->esc_params[s->nb_esc_params] * 10 + ch - '0';
+ }
+ } else {
+ s->nb_esc_params++;
+ if (ch == ';')
+ break;
+#ifdef DEBUG_CONSOLE
+ fprintf(stderr, "escape sequence CSI%d;%d%c, %d parameters\n",
+ s->esc_params[0], s->esc_params[1], ch, s->nb_esc_params);
+#endif
+ s->state = TTY_STATE_NORM;
+ switch(ch) {
+ case 'A':
+ /* move cursor up */
+ if (s->esc_params[0] == 0) {
+ s->esc_params[0] = 1;
+ }
+ s->y -= s->esc_params[0];
+ if (s->y < 0) {
+ s->y = 0;
+ }
+ break;
+ case 'B':
+ /* move cursor down */
+ if (s->esc_params[0] == 0) {
+ s->esc_params[0] = 1;
+ }
+ s->y += s->esc_params[0];
+ if (s->y >= s->height) {
+ s->y = s->height - 1;
+ }
+ break;
+ case 'C':
+ /* move cursor right */
+ if (s->esc_params[0] == 0) {
+ s->esc_params[0] = 1;
+ }
+ s->x += s->esc_params[0];
+ if (s->x >= s->width) {
+ s->x = s->width - 1;
+ }
+ break;
+ case 'D':
+ /* move cursor left */
+ if (s->esc_params[0] == 0) {
+ s->esc_params[0] = 1;
+ }
+ s->x -= s->esc_params[0];
+ if (s->x < 0) {
+ s->x = 0;
+ }
+ break;
+ case 'G':
+ /* move cursor to column */
+ s->x = s->esc_params[0] - 1;
+ if (s->x < 0) {
+ s->x = 0;
+ }
+ break;
+ case 'f':
+ case 'H':
+ /* move cursor to row, column */
+ s->x = s->esc_params[1] - 1;
+ if (s->x < 0) {
+ s->x = 0;
+ }
+ s->y = s->esc_params[0] - 1;
+ if (s->y < 0) {
+ s->y = 0;
+ }
+ break;
+ case 'J':
+ switch (s->esc_params[0]) {
+ case 0:
+ /* clear to end of screen */
+ for (y = s->y; y < s->height; y++) {
+ for (x = 0; x < s->width; x++) {
+ if (y == s->y && x < s->x) {
+ continue;
+ }
+ console_clear_xy(s, x, y);
+ }
+ }
+ break;
+ case 1:
+ /* clear from beginning of screen */
+ for (y = 0; y <= s->y; y++) {
+ for (x = 0; x < s->width; x++) {
+ if (y == s->y && x > s->x) {
+ break;
+ }
+ console_clear_xy(s, x, y);
+ }
+ }
+ break;
+ case 2:
+ /* clear entire screen */
+ for (y = 0; y <= s->height; y++) {
+ for (x = 0; x < s->width; x++) {
+ console_clear_xy(s, x, y);
+ }
+ }
+ break;
+ }
+ case 'K':
+ switch (s->esc_params[0]) {
+ case 0:
+ /* clear to eol */
+ for(x = s->x; x < s->width; x++) {
+ console_clear_xy(s, x, s->y);
+ }
+ break;
+ case 1:
+ /* clear from beginning of line */
+ for (x = 0; x <= s->x; x++) {
+ console_clear_xy(s, x, s->y);
+ }
+ break;
+ case 2:
+ /* clear entire line */
+ for(x = 0; x < s->width; x++) {
+ console_clear_xy(s, x, s->y);
+ }
+ break;
+ }
+ break;
+ case 'm':
+ console_handle_escape(s);
+ break;
+ case 'n':
+ /* report cursor position */
+ /* TODO: send ESC[row;colR */
+ break;
+ case 's':
+ /* save cursor position */
+ s->x_saved = s->x;
+ s->y_saved = s->y;
+ break;
+ case 'u':
+ /* restore cursor position */
+ s->x = s->x_saved;
+ s->y = s->y_saved;
+ break;
+ default:
+#ifdef DEBUG_CONSOLE
+ fprintf(stderr, "unhandled escape character '%c'\n", ch);
+#endif
+ break;
+ }
+ break;
+ }
+ }
+}
+
+static int console_puts(CharDriverState *chr, const uint8_t *buf, int len)
+{
+ TextConsole *s = chr->opaque;
+ int i;
+
+ console_show_cursor(s, 0);
+ for(i = 0; i < len; i++) {
+ console_putchar(s, buf[i]);
+ }
+ console_show_cursor(s, 1);
+ return len;
+}
+
+static void console_send_event(CharDriverState *chr, int event)
+{
+ TextConsole *s = chr->opaque;
+
+ if (event == CHR_EVENT_FOCUS) {
+ gui_notify_activate_display(s->ds);
+ }
+}
+
+static void kbd_send_chars(void *opaque)
+{
+ TextConsole *s = opaque;
+ int len;
+ uint8_t buf[16];
+
+ len = qemu_chr_can_read(s->chr);
+ if (len > s->out_fifo.count)
+ len = s->out_fifo.count;
+ if (len > 0) {
+ if (len > sizeof(buf))
+ len = sizeof(buf);
+ qemu_fifo_read(&s->out_fifo, buf, len);
+ qemu_chr_read(s->chr, buf, len);
+ }
+ /* characters are pending: we send them a bit later (XXX:
+ horrible, should change char device API) */
+ if (s->out_fifo.count > 0) {
+ qemu_mod_timer(s->kbd_timer, qemu_get_clock(rt_clock) + 1);
+ }
+}
+
+/* called when an ascii key is pressed */
+static void kbd_put_keysym(void *opaque, int keysym)
+{
+ TextConsole * const s = opaque;
+ uint8_t buf[16], *q;
+ int c;
+
+ if (!s)
+ return;
+
+ switch(keysym) {
+ case QEMU_KEY_CTRL_UP:
+ console_scroll(s, -1);
+ break;
+ case QEMU_KEY_CTRL_DOWN:
+ console_scroll(s, 1);
+ break;
+ case QEMU_KEY_CTRL_PAGEUP:
+ console_scroll(s, -10);
+ break;
+ case QEMU_KEY_CTRL_PAGEDOWN:
+ console_scroll(s, 10);
+ break;
+ default:
+ /* convert the QEMU keysym to VT100 key string */
+ q = buf;
+ if (keysym >= 0xe100 && keysym <= 0xe11f) {
+ *q++ = '\033';
+ *q++ = '[';
+ c = keysym - 0xe100;
+ if (c >= 10)
+ *q++ = '0' + (c / 10);
+ *q++ = '0' + (c % 10);
+ *q++ = '~';
+ } else if (keysym >= 0xe120 && keysym <= 0xe17f) {
+ *q++ = '\033';
+ *q++ = '[';
+ *q++ = keysym & 0xff;
+ } else {
+ *q++ = keysym;
+ }
+ if (s->chr->chr_read) {
+ qemu_fifo_write(&s->out_fifo, buf, q - buf);
+ kbd_send_chars(s);
+ }
+ break;
+ }
+}
+
+static void text_console_invalidate(void *opaque)
+{
+ TextConsole *s = (TextConsole *) opaque;
+
+ if (s->g_width != ds_get_width(s->ds) || s->g_height != ds_get_height(s->ds)) {
+ if (s->fixed_size) {
+ gui_resize_vt(s->ds, s->g_width, s->g_height);
+ } else {
+ s->g_width = ds_get_width(s->ds);
+ s->g_height = ds_get_height(s->ds);
+ text_console_resize_int(s);
+ }
+ }
+ console_refresh(s);
+}
+
+static void text_console_update(void *opaque, console_ch_t *chardata)
+{
+ TextConsole *s = (TextConsole *) opaque;
+ int i, j, src;
+
+ if (s->text_x[0] <= s->text_x[1]) {
+ src = (s->y_base + s->text_y[0]) * s->width;
+ chardata += s->text_y[0] * s->width;
+ for (i = s->text_y[0]; i <= s->text_y[1]; i ++)
+ for (j = 0; j < s->width; j ++, src ++)
+ console_write_ch(chardata ++, s->cells[src].ch |
+ (s->cells[src].t_attrib.fgcol << 12) |
+ (s->cells[src].t_attrib.bgcol << 8) |
+ (s->cells[src].t_attrib.bold << 21));
+ dpy_update(s->ds, s->text_x[0], s->text_y[0],
+ s->text_x[1] - s->text_x[0], i - s->text_y[0]);
+ s->text_x[0] = s->width;
+ s->text_y[0] = s->height;
+ s->text_x[1] = 0;
+ s->text_y[1] = 0;
+ }
+ if (s->cursor_invalidate) {
+ dpy_cursor(s->ds, s->x, s->y);
+ s->cursor_invalidate = 0;
+ }
+}
+
+int is_fixed_size_console(const TextConsole *console)
+{
+ return console->fixed_size;
+}
+
+void console_color_init(DisplayState *ds)
+{
+ int i, j;
+ for (j = 0; j < 2; j++) {
+ for (i = 0; i < 8; i++) {
+ color_table[j][i] = col_expand(ds,
+ vga_get_color(ds, color_table_rgb[j][i]));
+ }
+ }
+}
+
+CharDriverState *text_console_init(DisplayState *ds, const char *p)
+{
+ CharDriverState *chr;
+ TextConsole *s;
+ unsigned width;
+ unsigned height;
+ static int color_inited;
+ const int fixed_size = (p != 0);
+
+ chr = qemu_mallocz(sizeof(CharDriverState));
+ if (!chr)
+ return NULL;
+
+ s = qemu_mallocz(sizeof(TextConsole));
+ if (!s) {
+ free(chr);
+ return NULL;
+ }
+ s->ds = ds;
+ s->fixed_size = fixed_size;
+
+ chr->opaque = s;
+ chr->chr_write = console_puts;
+ chr->chr_send_event = console_send_event;
+
+ s->chr = chr;
+ s->out_fifo.buf = s->out_fifo_buf;
+ s->out_fifo.buf_size = sizeof(s->out_fifo_buf);
+ s->kbd_timer = qemu_new_timer(rt_clock, kbd_send_chars, s);
+ gui_register_vt_key_callback(s->ds, kbd_put_keysym, s);
+
+ if (!color_inited) {
+ color_inited = 1;
+ console_color_init(s->ds);
+ }
+ s->y_displayed = 0;
+ s->y_base = 0;
+ s->total_height = DEFAULT_BACKSCROLL;
+ s->x = 0;
+ s->y = 0;
+ width = ds_get_width(s->ds);
+ height = ds_get_height(s->ds);
+ if (p != 0) {
+ width = strtoul(p, (char **)&p, 10);
+ if (*p == 'C') {
+ p++;
+ width *= FONT_WIDTH;
+ }
+ if (*p == 'x') {
+ p++;
+ height = strtoul(p, (char **)&p, 10);
+ if (*p == 'C') {
+ p++;
+ height *= FONT_HEIGHT;
+ }
+ }
+ }
+ s->g_width = width;
+ s->g_height = height;
+
+#if 0
+ s->hw_invalidate = text_console_invalidate;
+#endif
+ gui_set_paint_callbacks(s->ds, NULL, text_console_invalidate, NULL, s);
+ s->hw_text_update = text_console_update;
+ s->hw = s;
+
+ /* Set text attribute defaults */
+ s->t_attrib_default.bold = 0;
+ s->t_attrib_default.uline = 0;
+ s->t_attrib_default.blink = 0;
+ s->t_attrib_default.invers = 0;
+ s->t_attrib_default.unvisible = 0;
+ s->t_attrib_default.fgcol = COLOR_WHITE;
+ s->t_attrib_default.bgcol = COLOR_BLACK;
+
+ /* set current text attributes to default */
+ s->t_attrib = s->t_attrib_default;
+ text_console_resize_int(s);
+
+ qemu_chr_reset(chr);
+
+ return chr;
+}
+
+CharDriverState *new_text_console(const char *p)
+{
+ DisplayState * const ds = gui_new_vt(SKINLESS_TEXT_VT_PRIORITY_ORDER);
+
+ if (ds != NULL)
+ return text_console_init(ds, p);
+ else
+ return NULL;
+}
+
+/* Just for unloaded GUIs. gui_resize can be used instead */
+void text_console_resize(TextConsole *console, int width, int height)
+{
+ if (gui_resize_vt(console->ds, width, height)) {
+ console->g_width = width;
+ console->g_height = height;
+ }
+}
+
+void text_console_copy(TextConsole *console, int src_x, int src_y,
+ int dst_x, int dst_y, int w, int h)
+{
+ if (gui_is_display_active(console->ds)) {
+ if (console->ds->dpy_copy)
+ console->ds->dpy_copy(console->ds,
+ src_x, src_y, dst_x, dst_y, w, h);
+ else {
+ /* TODO */
+ console->ds->dpy_update(console->ds, dst_x, dst_y, w, h);
+ }
+ }
+}
+