1657bb9a3a
Multi-cell glyphs are glyphs that span across multiple horizontal cells. The font renderers already support this. This patch fixes the console renderers to take advantage of this. Signed-off-by: David Herrmann <dh.herrmann@googlemail.com>
195 lines
7.5 KiB
C
195 lines
7.5 KiB
C
/*
|
|
* TSM - Screen Management
|
|
*
|
|
* Copyright (c) 2011-2012 David Herrmann <dh.herrmann@googlemail.com>
|
|
* Copyright (c) 2011 University of Tuebingen
|
|
*
|
|
* 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.
|
|
*/
|
|
|
|
/*
|
|
* Screen Management
|
|
* This screen does not emulate any terminal at all. This subsystem just
|
|
* provides functions to draw a screen to a framebuffer and modifying the state
|
|
* of it.
|
|
*/
|
|
|
|
#ifndef TSM_SCREEN_H
|
|
#define TSM_SCREEN_H
|
|
|
|
#include <inttypes.h>
|
|
#include <stdarg.h>
|
|
#include <stdbool.h>
|
|
#include <stdlib.h>
|
|
#include "tsm_unicode.h"
|
|
|
|
/* screen objects */
|
|
|
|
struct tsm_screen;
|
|
|
|
/**
|
|
* tsm_log_t:
|
|
* @file: Source code file where the log message originated or NULL
|
|
* @line: Line number in source code or 0
|
|
* @func: C function name or NULL
|
|
* @subs: Subsystem where the message came from or NULL
|
|
* @sev: Kernel-style severity between 0=FATAL and 7=DEBUG
|
|
* @format: printf-formatted message
|
|
* @args: arguments for printf-style @format
|
|
*
|
|
* This is the type of a logging callback function. You can always pass NULL
|
|
* instead of such a function to disable logging.
|
|
*/
|
|
typedef void (*tsm_log_t) (const char *file,
|
|
int line,
|
|
const char *func,
|
|
const char *subs,
|
|
unsigned int sev,
|
|
const char *format,
|
|
va_list args);
|
|
|
|
#define TSM_SCREEN_INSERT_MODE 0x01
|
|
#define TSM_SCREEN_AUTO_WRAP 0x02
|
|
#define TSM_SCREEN_REL_ORIGIN 0x04
|
|
#define TSM_SCREEN_INVERSE 0x08
|
|
#define TSM_SCREEN_HIDE_CURSOR 0x10
|
|
#define TSM_SCREEN_FIXED_POS 0x20
|
|
#define TSM_SCREEN_ALTERNATE 0x40
|
|
|
|
#define TSM_SCREEN_OPT_RENDER_TIMING 0x01
|
|
|
|
struct tsm_screen_attr {
|
|
int8_t fccode; /* foreground color code or <0 for rgb */
|
|
int8_t bccode; /* background color code or <0 for rgb */
|
|
uint8_t fr; /* foreground red */
|
|
uint8_t fg; /* foreground green */
|
|
uint8_t fb; /* foreground blue */
|
|
uint8_t br; /* background red */
|
|
uint8_t bg; /* background green */
|
|
uint8_t bb; /* background blue */
|
|
unsigned int bold : 1; /* bold character */
|
|
unsigned int underline : 1; /* underlined character */
|
|
unsigned int inverse : 1; /* inverse colors */
|
|
unsigned int protect : 1; /* cannot be erased */
|
|
};
|
|
|
|
typedef int (*tsm_screen_prepare_cb) (struct tsm_screen *con,
|
|
void *data);
|
|
typedef int (*tsm_screen_draw_cb) (struct tsm_screen *con,
|
|
uint32_t id,
|
|
const uint32_t *ch,
|
|
size_t len,
|
|
unsigned int width,
|
|
unsigned int posx,
|
|
unsigned int posy,
|
|
const struct tsm_screen_attr *attr,
|
|
void *data);
|
|
typedef int (*tsm_screen_render_cb) (struct tsm_screen *con,
|
|
void *data);
|
|
|
|
int tsm_screen_new(struct tsm_screen **out, tsm_log_t log);
|
|
void tsm_screen_ref(struct tsm_screen *con);
|
|
void tsm_screen_unref(struct tsm_screen *con);
|
|
|
|
void tsm_screen_set_opts(struct tsm_screen *scr, unsigned int opts);
|
|
void tsm_screen_reset_opts(struct tsm_screen *scr, unsigned int opts);
|
|
unsigned int tsm_screen_get_opts(struct tsm_screen *scr);
|
|
|
|
unsigned int tsm_screen_get_width(struct tsm_screen *con);
|
|
unsigned int tsm_screen_get_height(struct tsm_screen *con);
|
|
int tsm_screen_resize(struct tsm_screen *con, unsigned int x,
|
|
unsigned int y);
|
|
int tsm_screen_set_margins(struct tsm_screen *con,
|
|
unsigned int top, unsigned int bottom);
|
|
void tsm_screen_set_max_sb(struct tsm_screen *con, unsigned int max);
|
|
void tsm_screen_clear_sb(struct tsm_screen *con);
|
|
|
|
void tsm_screen_sb_up(struct tsm_screen *con, unsigned int num);
|
|
void tsm_screen_sb_down(struct tsm_screen *con, unsigned int num);
|
|
void tsm_screen_sb_page_up(struct tsm_screen *con, unsigned int num);
|
|
void tsm_screen_sb_page_down(struct tsm_screen *con, unsigned int num);
|
|
void tsm_screen_sb_reset(struct tsm_screen *con);
|
|
|
|
void tsm_screen_set_def_attr(struct tsm_screen *con,
|
|
const struct tsm_screen_attr *attr);
|
|
void tsm_screen_reset(struct tsm_screen *con);
|
|
void tsm_screen_set_flags(struct tsm_screen *con, unsigned int flags);
|
|
void tsm_screen_reset_flags(struct tsm_screen *con, unsigned int flags);
|
|
unsigned int tsm_screen_get_flags(struct tsm_screen *con);
|
|
|
|
unsigned int tsm_screen_get_cursor_x(struct tsm_screen *con);
|
|
unsigned int tsm_screen_get_cursor_y(struct tsm_screen *con);
|
|
|
|
void tsm_screen_set_tabstop(struct tsm_screen *con);
|
|
void tsm_screen_reset_tabstop(struct tsm_screen *con);
|
|
void tsm_screen_reset_all_tabstops(struct tsm_screen *con);
|
|
|
|
void tsm_screen_write(struct tsm_screen *con, tsm_symbol_t ch,
|
|
const struct tsm_screen_attr *attr);
|
|
void tsm_screen_newline(struct tsm_screen *con);
|
|
void tsm_screen_scroll_up(struct tsm_screen *con, unsigned int num);
|
|
void tsm_screen_scroll_down(struct tsm_screen *con, unsigned int num);
|
|
void tsm_screen_move_to(struct tsm_screen *con, unsigned int x,
|
|
unsigned int y);
|
|
void tsm_screen_move_up(struct tsm_screen *con, unsigned int num,
|
|
bool scroll);
|
|
void tsm_screen_move_down(struct tsm_screen *con, unsigned int num,
|
|
bool scroll);
|
|
void tsm_screen_move_left(struct tsm_screen *con, unsigned int num);
|
|
void tsm_screen_move_right(struct tsm_screen *con, unsigned int num);
|
|
void tsm_screen_move_line_end(struct tsm_screen *con);
|
|
void tsm_screen_move_line_home(struct tsm_screen *con);
|
|
void tsm_screen_tab_right(struct tsm_screen *con, unsigned int num);
|
|
void tsm_screen_tab_left(struct tsm_screen *con, unsigned int num);
|
|
void tsm_screen_insert_lines(struct tsm_screen *con, unsigned int num);
|
|
void tsm_screen_delete_lines(struct tsm_screen *con, unsigned int num);
|
|
void tsm_screen_insert_chars(struct tsm_screen *con, unsigned int num);
|
|
void tsm_screen_delete_chars(struct tsm_screen *con, unsigned int num);
|
|
void tsm_screen_erase_cursor(struct tsm_screen *con);
|
|
void tsm_screen_erase_chars(struct tsm_screen *con, unsigned int num);
|
|
void tsm_screen_erase_cursor_to_end(struct tsm_screen *con,
|
|
bool protect);
|
|
void tsm_screen_erase_home_to_cursor(struct tsm_screen *con,
|
|
bool protect);
|
|
void tsm_screen_erase_current_line(struct tsm_screen *con,
|
|
bool protect);
|
|
void tsm_screen_erase_screen_to_cursor(struct tsm_screen *con,
|
|
bool protect);
|
|
void tsm_screen_erase_cursor_to_screen(struct tsm_screen *con,
|
|
bool protect);
|
|
void tsm_screen_erase_screen(struct tsm_screen *con, bool protect);
|
|
|
|
void tsm_screen_selection_reset(struct tsm_screen *con);
|
|
void tsm_screen_selection_start(struct tsm_screen *con,
|
|
unsigned int posx,
|
|
unsigned int posy);
|
|
void tsm_screen_selection_target(struct tsm_screen *con,
|
|
unsigned int posx,
|
|
unsigned int posy);
|
|
int tsm_screen_selection_copy(struct tsm_screen *con, char **out);
|
|
|
|
void tsm_screen_draw(struct tsm_screen *con,
|
|
tsm_screen_prepare_cb prepare_cb,
|
|
tsm_screen_draw_cb draw_cb,
|
|
tsm_screen_render_cb render_cb,
|
|
void *data);
|
|
|
|
#endif /* TSM_SCREEN_H */
|