575 lines
15 KiB
C
575 lines
15 KiB
C
#include "private.h"
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#include <Elementary.h>
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#include "termio.h"
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#include "termpty.h"
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#include "termptydbl.h"
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#include "termptyops.h"
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#include "termptygfx.h"
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#include "termptysave.h"
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#include "miniview.h"
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#include <assert.h>
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#undef CRITICAL
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#undef ERR
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#undef WRN
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#undef INF
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#undef DBG
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#define CRITICAL(...) EINA_LOG_DOM_CRIT(_termpty_log_dom, __VA_ARGS__)
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#define ERR(...) EINA_LOG_DOM_ERR(_termpty_log_dom, __VA_ARGS__)
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#define WRN(...) EINA_LOG_DOM_WARN(_termpty_log_dom, __VA_ARGS__)
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#define INF(...) EINA_LOG_DOM_INFO(_termpty_log_dom, __VA_ARGS__)
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#define DBG(...) EINA_LOG_DOM_DBG(_termpty_log_dom, __VA_ARGS__)
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void
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termpty_cells_clear(Termpty *ty, Termcell *cells, int count)
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{
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Termcell src;
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memset(&src, 0, sizeof(src));
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src.codepoint = 0;
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src.att = ty->termstate.att;
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src.att.link_id = 0;
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termpty_cell_fill(ty, &src, cells, count);
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}
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void
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termpty_text_scroll(Termpty *ty, Eina_Bool clear)
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{
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Termcell *cells = NULL, *cells2;
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int y, start_y = 0, end_y = ty->h - 1;
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start_y = ty->termstate.top_margin;
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if (ty->termstate.bottom_margin != 0)
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end_y = ty->termstate.bottom_margin - 1;
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if (!(ty->termstate.top_margin || ty->termstate.bottom_margin ||
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ty->termstate.left_margin || ty->termstate.right_margin) &&
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(!ty->altbuf))
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termpty_text_save_top(ty, &(TERMPTY_SCREEN(ty, 0, 0)), ty->w);
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termio_scroll(ty->obj, -1, start_y, end_y);
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DBG("... scroll!!!!! [%i->%i]", start_y, end_y);
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if ((start_y == 0 && end_y == ty->h - 1) &&
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(ty->termstate.left_margin == 0) &&
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(ty->termstate.right_margin == 0))
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{
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// screen is a circular buffer now
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cells = &(ty->screen[ty->circular_offset * ty->w]);
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if (clear)
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termpty_cells_clear(ty, cells, ty->w);
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ty->circular_offset++;
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if (ty->circular_offset >= ty->h)
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ty->circular_offset = 0;
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}
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else
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{
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int x = ty->termstate.left_margin;
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int w = ty->w - x;
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if (ty->termstate.right_margin)
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w = ty->termstate.right_margin - x;
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cells = &(TERMPTY_SCREEN(ty, x, end_y));
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for (y = start_y; y < end_y; y++)
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{
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cells = &(TERMPTY_SCREEN(ty, x, (y + 1)));
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cells2 = &(TERMPTY_SCREEN(ty, x, y));
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TERMPTY_CELL_COPY(ty, cells, cells2, w);
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}
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if (clear)
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termpty_cells_clear(ty, cells, w);
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}
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}
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void
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termpty_text_scroll_rev(Termpty *ty, Eina_Bool clear)
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{
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Termcell *cells, *cells2 = NULL;
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int y, start_y = 0, end_y = ty->h - 1;
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if (ty->termstate.bottom_margin != 0)
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{
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start_y = ty->termstate.top_margin;
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end_y = ty->termstate.bottom_margin - 1;
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}
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DBG("... scroll rev!!!!! [%i->%i]", start_y, end_y);
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termio_scroll(ty->obj, 1, start_y, end_y);
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if ((start_y == 0 && end_y == (ty->h - 1)) &&
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(ty->termstate.left_margin == 0) &&
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(ty->termstate.right_margin == 0))
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{
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// screen is a circular buffer now
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ty->circular_offset--;
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if (ty->circular_offset < 0)
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ty->circular_offset = ty->h - 1;
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cells = &(ty->screen[ty->circular_offset * ty->w]);
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if (clear)
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termpty_cells_clear(ty, cells, ty->w);
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}
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else
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{
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int x = ty->termstate.left_margin;
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int w = ty->w - x;
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if (ty->termstate.right_margin)
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w = ty->termstate.right_margin - x;
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cells = &(TERMPTY_SCREEN(ty, x, end_y));
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for (y = end_y; y > start_y; y--)
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{
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cells = &(TERMPTY_SCREEN(ty, x, (y - 1)));
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cells2 = &(TERMPTY_SCREEN(ty, x, y));
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TERMPTY_CELL_COPY(ty, cells, cells2, w);
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}
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if (clear)
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termpty_cells_clear(ty, cells, w);
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}
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}
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void
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termpty_text_scroll_test(Termpty *ty, Eina_Bool clear)
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{
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int e = ty->h;
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if (ty->termstate.bottom_margin != 0)
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{
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e = ty->termstate.bottom_margin;
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if (ty->cursor_state.cy == e)
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{
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termpty_text_scroll(ty, clear);
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ty->cursor_state.cy = e - 1;
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TERMPTY_RESTRICT_FIELD(ty->cursor_state.cy, 0, ty->h);
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return;
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}
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}
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if (ty->cursor_state.cy >= ty->h)
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{
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termpty_text_scroll(ty, clear);
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ty->cursor_state.cy = e - 1;
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TERMPTY_RESTRICT_FIELD(ty->cursor_state.cy, 0, ty->h);
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}
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}
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void
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termpty_text_scroll_rev_test(Termpty *ty, Eina_Bool clear)
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{
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int b = 0;
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if (ty->termstate.top_margin != 0)
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b = ty->termstate.top_margin;
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if (ty->cursor_state.cy < b)
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{
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termpty_text_scroll_rev(ty, clear);
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ty->cursor_state.cy = b;
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TERMPTY_RESTRICT_FIELD(ty->cursor_state.cy, 0, ty->h);
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}
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}
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void
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termpty_text_append(Termpty *ty, const Eina_Unicode *codepoints, int len)
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{
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Termcell *cells;
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int i, j;
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int origin = ty->termstate.left_margin;
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/* TODO: have content_change_box*/
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termio_content_change(ty->obj, ty->cursor_state.cx, ty->cursor_state.cy, len);
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cells = &(TERMPTY_SCREEN(ty, 0, ty->cursor_state.cy));
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for (i = 0; i < len; i++)
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{
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int max_right = ty->w;
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Eina_Unicode g;
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if (ty->termstate.right_margin &&
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(ty->cursor_state.cx < ty->termstate.right_margin))
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{
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max_right = ty->termstate.right_margin;
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}
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if (ty->termstate.wrapnext)
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{
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cells[max_right-1].att.autowrapped = 1;
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ty->termstate.wrapnext = 0;
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ty->cursor_state.cx = origin;
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ty->cursor_state.cy++;
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termpty_text_scroll_test(ty, EINA_TRUE);
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cells = &(TERMPTY_SCREEN(ty, 0, ty->cursor_state.cy));
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}
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if (ty->termstate.insert)
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{
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for (j = max_right-1; j > ty->cursor_state.cx; j--)
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TERMPTY_CELL_COPY(ty, &(cells[j - 1]), &(cells[j]), 1);
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}
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g = _termpty_charset_trans(ty, codepoints[i]);
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/* Skip 0-width space */
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if (EINA_UNLIKELY(g == 0x200b))
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{
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continue;
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}
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if (EINA_UNLIKELY(g >= 0x300 && g <=0x36f))
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{
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/* combining chars */
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if (EINA_UNLIKELY(g == 0x336))
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{
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ty->termstate.combining_strike = 1;
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}
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continue;
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}
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termpty_cell_codepoint_att_fill(ty, g, ty->termstate.att,
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&(cells[ty->cursor_state.cx]), 1);
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if (EINA_UNLIKELY(ty->termstate.combining_strike))
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{
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ty->termstate.combining_strike = 0;
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cells[ty->cursor_state.cx].att.strike = 1;
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}
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cells[ty->cursor_state.cx].att.dblwidth = _termpty_is_dblwidth_get(ty, g);
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if (EINA_UNLIKELY((cells[ty->cursor_state.cx].att.dblwidth) && (ty->cursor_state.cx < (max_right - 1))))
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{
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cells[ty->cursor_state.cx].att.newline = 0;
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termpty_cell_codepoint_att_fill(ty, 0, cells[ty->cursor_state.cx].att,
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&(cells[ty->cursor_state.cx + 1]), 1);
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}
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if (ty->termstate.wrap)
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{
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unsigned char offset = 1;
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ty->termstate.wrapnext = 0;
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if (EINA_UNLIKELY(cells[ty->cursor_state.cx].att.dblwidth))
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offset = 2;
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if (EINA_UNLIKELY(ty->cursor_state.cx >= (max_right - offset)))
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ty->termstate.wrapnext = 1;
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else
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{
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ty->cursor_state.cx += offset;
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TERMPTY_RESTRICT_FIELD(ty->cursor_state.cx, 0, max_right);
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}
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}
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else
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{
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unsigned char offset = 1;
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ty->termstate.wrapnext = 0;
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if (EINA_UNLIKELY(cells[ty->cursor_state.cx].att.dblwidth))
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offset = 2;
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ty->cursor_state.cx += offset;
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if (ty->cursor_state.cx > (max_right - offset))
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{
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ty->cursor_state.cx = max_right - offset;
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TERMPTY_RESTRICT_FIELD(ty->cursor_state.cx, 0, max_right);
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}
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TERMPTY_RESTRICT_FIELD(ty->cursor_state.cx, 0, max_right);
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}
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}
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}
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void
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termpty_clear_line(Termpty *ty, Termpty_Clear mode, int limit)
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{
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Termcell *cells;
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int n = 0;
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Evas_Coord x = 0, y = ty->cursor_state.cy;
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assert (y >= 0 && y < ty->h);
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switch (mode)
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{
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case TERMPTY_CLR_END:
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n = ty->w - ty->cursor_state.cx;
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x = ty->cursor_state.cx;
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break;
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case TERMPTY_CLR_BEGIN:
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n = ty->cursor_state.cx + 1;
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break;
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case TERMPTY_CLR_ALL:
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n = ty->w;
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break;
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default:
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return;
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}
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cells = &(TERMPTY_SCREEN(ty, x, y));
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if (n > limit) n = limit;
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termio_content_change(ty->obj, x, y, n);
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termpty_cells_clear(ty, cells, n);
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}
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void
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termpty_clear_tabs_on_screen(Termpty *ty)
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{
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if (ty->tabs)
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{
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memset(ty->tabs, 0,
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DIV_ROUND_UP(ty->w, sizeof(unsigned int) * 8u)
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* sizeof(unsigned int));
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}
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}
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void
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termpty_clear_backlog(Termpty *ty)
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{
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int backsize;
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ty->backlog_beacon.screen_y = 0;
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ty->backlog_beacon.backlog_y = 0;
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termpty_backlog_lock();
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if (ty->back)
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{
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size_t i;
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for (i = 0; i < ty->backsize; i++)
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termpty_save_free(ty, &ty->back[i]);
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free(ty->back);
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ty->back = NULL;
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}
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ty->backpos = 0;
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backsize = ty->backsize;
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ty->backsize = 0;
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termpty_backlog_size_set(ty, backsize);
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termpty_backlog_unlock();
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}
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void
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termpty_clear_screen(Termpty *ty, Termpty_Clear mode)
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{
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Termcell *cells;
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switch (mode)
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{
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case TERMPTY_CLR_END:
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termpty_clear_line(ty, mode, ty->w);
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if (ty->cursor_state.cy < (ty->h - 1))
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{
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int l = ty->h - (ty->cursor_state.cy + 1);
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termio_content_change(ty->obj, 0, ty->cursor_state.cy, l * ty->w);
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while (l)
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{
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cells = &(TERMPTY_SCREEN(ty, 0, (ty->cursor_state.cy + l)));
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termpty_cells_clear(ty, cells, ty->w);
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l--;
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}
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}
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break;
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case TERMPTY_CLR_BEGIN:
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if (ty->cursor_state.cy > 0)
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{
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// First clear from circular > height, then from 0 to circular
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int y = ty->cursor_state.cy + ty->circular_offset;
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termio_content_change(ty->obj, 0, 0, ty->cursor_state.cy * ty->w);
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cells = &(TERMPTY_SCREEN(ty, 0, 0));
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if (y < ty->h)
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{
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termpty_cells_clear(ty, cells, ty->w * ty->cursor_state.cy);
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}
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else
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{
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int yt = y % ty->h;
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int yb = ty->h - ty->circular_offset;
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termpty_cells_clear(ty, cells, ty->w * yb);
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termpty_cells_clear(ty, ty->screen, ty->w * yt);
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}
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}
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termpty_clear_line(ty, mode, ty->w);
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break;
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case TERMPTY_CLR_ALL:
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ty->circular_offset = 0;
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termpty_cells_clear(ty, ty->screen, ty->w * ty->h);
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if (ty->cb.cancel_sel.func)
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ty->cb.cancel_sel.func(ty->cb.cancel_sel.data);
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break;
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default:
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break;
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}
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}
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void
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termpty_clear_all(Termpty *ty)
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{
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if (!ty->screen) return;
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termpty_cell_fill(ty, NULL, ty->screen, ty->w * ty->h);
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}
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void
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termpty_reset_att(Termatt *att)
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{
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att->fg = COL_DEF;
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att->bg = COL_DEF;
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att->bold = 0;
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att->faint = 0;
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att->italic = 0;
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att->dblwidth = 0;
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att->underline = 0;
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att->blink = 0;
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att->blink2 = 0;
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att->inverse = 0;
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att->invisible = 0;
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att->strike = 0;
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att->fg256 = 0;
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att->bg256 = 0;
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att->fgintense = 0;
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att->bgintense = 0;
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att->autowrapped = 0;
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att->newline = 0;
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att->fraktur = 0;
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att->framed = 0;
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att->encircled = 0;
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att->overlined = 0;
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}
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void
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termpty_soft_reset_state(Termpty *ty)
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{
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int i;
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Config *config = NULL;
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if (ty->obj)
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config = termio_config_get(ty->obj);
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ty->termstate.top_margin = 0;
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ty->termstate.bottom_margin = 0;
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ty->termstate.left_margin = 0;
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ty->termstate.right_margin = 0;
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ty->termstate.lr_margins = 0;
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ty->termstate.had_cr_x = 0;
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ty->termstate.had_cr_y = 0;
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ty->termstate.restrict_cursor = 0;
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termpty_reset_att(&(ty->termstate.att));
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ty->termstate.att.link_id = 0;
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ty->termstate.charset = 0;
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ty->termstate.charsetch = 'B';
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ty->termstate.chset[0] = 'B';
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ty->termstate.chset[1] = 'B';
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ty->termstate.chset[2] = 'B';
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ty->termstate.chset[3] = 'B';
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ty->termstate.multibyte = 0;
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ty->termstate.alt_kp = 0;
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ty->termstate.insert = 0;
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ty->termstate.appcursor = 0;
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ty->termstate.wrap = 1;
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ty->termstate.wrapnext = 0;
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ty->termstate.crlf = 0;
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ty->termstate.send_bs = 0;
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ty->termstate.reverse = 0;
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ty->termstate.no_autorepeat = 0;
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ty->termstate.cjk_ambiguous_wide = 0;
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ty->termstate.hide_cursor = 0;
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ty->termstate.sace_rectangular = 0;
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ty->mouse_mode = MOUSE_OFF;
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ty->mouse_ext = MOUSE_EXT_NONE;
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ty->bracketed_paste = 0;
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termpty_clear_tabs_on_screen(ty);
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for (i = 0; i < ty->w; i += TAB_WIDTH)
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{
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TAB_SET(ty, i);
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}
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if (config && ty->obj)
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termio_set_cursor_shape(ty->obj, config->cursor_shape);
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}
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void
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termpty_reset_state(Termpty *ty)
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{
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termpty_soft_reset_state(ty);
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ty->cursor_state.cx = 0;
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ty->cursor_state.cy = 0;
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termpty_clear_backlog(ty);
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}
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void
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termpty_cursor_copy(Termpty *ty, Eina_Bool save)
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{
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if (save)
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{
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ty->cursor_save[ty->altbuf].cx = ty->cursor_state.cx;
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ty->cursor_save[ty->altbuf].cy = ty->cursor_state.cy;
|
|
}
|
|
else
|
|
{
|
|
ty->cursor_state.cx = ty->cursor_save[ty->altbuf].cx;
|
|
TERMPTY_RESTRICT_FIELD(ty->cursor_state.cx, 0, ty->w);
|
|
ty->cursor_state.cy = ty->cursor_save[ty->altbuf].cy;
|
|
TERMPTY_RESTRICT_FIELD(ty->cursor_state.cy, 0, ty->h);
|
|
}
|
|
}
|
|
|
|
|
|
void
|
|
termpty_move_cursor(Termpty *ty, int cx, int cy)
|
|
{
|
|
int cur_cx = ty->cursor_state.cx;
|
|
int cur_cy = ty->cursor_state.cy;
|
|
Termcell *cells;
|
|
ssize_t wlen;
|
|
int n_to_down = 0;
|
|
int n_to_right = 0;
|
|
|
|
/* move Up or Down */
|
|
while (cur_cy != cy)
|
|
{
|
|
if (cur_cy < cy)
|
|
{
|
|
/* go down */
|
|
cells = termpty_cellrow_get(ty, cur_cy, &wlen);
|
|
assert(cells);
|
|
if (cells[wlen-1].att.autowrapped)
|
|
{
|
|
n_to_right += ty->w;
|
|
}
|
|
else
|
|
{
|
|
n_to_down++;
|
|
}
|
|
cur_cy++;
|
|
}
|
|
else
|
|
{
|
|
/* go up */
|
|
cells = termpty_cellrow_get(ty, cur_cy - 1, &wlen);
|
|
assert(cells);
|
|
if (cells[wlen-1].att.autowrapped)
|
|
{
|
|
n_to_right -= ty->w;
|
|
}
|
|
else
|
|
{
|
|
n_to_down--;
|
|
}
|
|
cur_cy--;
|
|
}
|
|
}
|
|
|
|
n_to_right += cx - cur_cx;
|
|
|
|
/* right */
|
|
for (; n_to_right > 0; n_to_right--)
|
|
termpty_write(ty, "\033[C", strlen("\033[C"));
|
|
/* left */
|
|
for (; n_to_right < 0; n_to_right++)
|
|
termpty_write(ty, "\033[D", strlen("\033[D"));
|
|
|
|
/* down*/
|
|
for (; n_to_down > 0; n_to_down--)
|
|
termpty_write(ty, "\033[B", strlen("\033[B"));
|
|
/* up */
|
|
for (; n_to_down < 0; n_to_down++)
|
|
termpty_write(ty, "\033[A", strlen("\033[A"));
|
|
|
|
}
|