forked from PsychoticNinja/irssi
2d4edc5187
This patch implements some 256 colour support for Irssi up from the previous 16 colours. Initial parsing of the %x/%X format codes is implemented and the parser accounts in advances the char* for that. The colour attributes are widened from 4 to 8 bit. The colour protocol is changed to a new format. Some pointers to remaining work are written in the comment in textbuffer.h. Note that Irssi already does support requesting 256 colours from the terminal in the original source code, so this part did not have to be touched.
130 lines
3.6 KiB
C
130 lines
3.6 KiB
C
#ifndef __TEXTBUFFER_H
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#define __TEXTBUFFER_H
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/* Make sure TEXT_CHUNK_REC is not slightly more than a page, as that
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wastes a lot of memory. */
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#define LINE_TEXT_CHUNK_SIZE (16384 - 16)
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#define LINE_COLOR_BG 0x20
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#define LINE_COLOR_DEFAULT 0x10
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/* command values (see _LINE_REC protocol) */
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enum {
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LINE_CMD_EOL=0x80, /* line ends here */
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LINE_CMD_CONTINUE, /* line continues in next block */
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/* TODO: no longer needed */
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LINE_CMD_COLOR0, /* change to black, would be same as \0\0 but it breaks things.. */
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LINE_CMD_UNDERLINE, /* enable/disable underlining */
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LINE_CMD_REVERSE, /* enable/disable reversed text */
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LINE_CMD_INDENT, /* if line is split, indent it at this position */
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LINE_CMD_BLINK, /* enable/disable blink */
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LINE_CMD_BOLD, /* enable/disable bold */
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LINE_CMD_SELECT_FG,
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LINE_CMD_SELECT_BG
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};
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typedef struct {
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int level;
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time_t time;
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} LINE_INFO_REC;
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/* TODO: fixme. */
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typedef struct _LINE_REC {
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/* Text in the line. \0 means that the next char will be a
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color or command.
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If the 7th bit is set, the lowest 7 bits are the command
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(see LINE_CMD_xxxx). Otherwise they specify a color change:
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Bit:
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5 - Setting a background color
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4 - Use "default terminal color"
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0-3 - Color
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DO NOT ADD BLACK WITH \0\0 - this will break things. Use
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LINE_CMD_COLOR0 instead. */
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/* NEW COLOUR PROTOCOL:
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0x00 - indicates command or colour.
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0x01 - command follows (1 byte)
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-- following may be omitted if LINE_CMD_USE_DEFAULT_[FB}G is set.
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0x02 - BG colour follows (1 byte)
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0x04 - FG colour follows (1 byte)
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Things that will need to be fixed:
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* textbuffer-view.c:update_cmd_color()
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* textbuffer-view.c:view_line_draw()
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* textbuffer-view.c:view_update_line_cache()
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* textbuffer.c:textbuffer_line2text()
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* textbuffer.c:mark_temp_eol macro
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* gui-printtext.c ?
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*/
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struct _LINE_REC *prev, *next;
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unsigned char *text;
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LINE_INFO_REC info;
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} LINE_REC;
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typedef struct {
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unsigned char buffer[LINE_TEXT_CHUNK_SIZE];
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int pos;
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int refcount;
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} TEXT_CHUNK_REC;
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typedef struct {
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GSList *text_chunks;
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LINE_REC *first_line;
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int lines_count;
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LINE_REC *cur_line;
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TEXT_CHUNK_REC *cur_text;
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unsigned int last_eol:1;
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int last_fg;
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int last_bg;
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int last_flags;
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} TEXT_BUFFER_REC;
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/* Create new buffer */
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TEXT_BUFFER_REC *textbuffer_create(void);
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/* Destroy the buffer */
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void textbuffer_destroy(TEXT_BUFFER_REC *buffer);
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LINE_REC *textbuffer_line_last(TEXT_BUFFER_REC *buffer);
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int textbuffer_line_exists_after(LINE_REC *line, LINE_REC *search);
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void textbuffer_line_add_colors(TEXT_BUFFER_REC *buffer, LINE_REC **line,
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int fg, int bg, int flags);
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/* Append text to buffer. When \0<EOL> is found at the END OF DATA, a new
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line is created. You must send the EOL command before you can do anything
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else with the buffer. */
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LINE_REC *textbuffer_append(TEXT_BUFFER_REC *buffer,
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const unsigned char *data, int len,
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LINE_INFO_REC *info);
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LINE_REC *textbuffer_insert(TEXT_BUFFER_REC *buffer, LINE_REC *insert_after,
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const unsigned char *data, int len,
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LINE_INFO_REC *info);
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void textbuffer_remove(TEXT_BUFFER_REC *buffer, LINE_REC *line);
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/* Removes all lines from buffer, ignoring reference counters */
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void textbuffer_remove_all_lines(TEXT_BUFFER_REC *buffer);
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void textbuffer_line2text(LINE_REC *line, int coloring, GString *str);
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GList *textbuffer_find_text(TEXT_BUFFER_REC *buffer, LINE_REC *startline,
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int level, int nolevel, const char *text,
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int before, int after,
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int regexp, int fullword, int case_sensitive);
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void textbuffer_init(void);
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void textbuffer_deinit(void);
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#endif
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