416 lines
11 KiB
C
416 lines
11 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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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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if (ty->termstate.scroll_y2 != 0)
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{
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start_y = ty->termstate.scroll_y1;
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end_y = ty->termstate.scroll_y2 - 1;
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}
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else
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if (!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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{
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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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cells = &(TERMPTY_SCREEN(ty, 0, 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, 0, (y + 1)));
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cells2 = &(TERMPTY_SCREEN(ty, 0, y));
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termpty_cell_copy(ty, cells, cells2, ty->w);
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}
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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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}
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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.scroll_y2 != 0)
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{
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start_y = ty->termstate.scroll_y1;
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end_y = ty->termstate.scroll_y2 - 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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{
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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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cells = &(TERMPTY_SCREEN(ty, 0, 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, 0, (y - 1)));
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cells2 = &(TERMPTY_SCREEN(ty, 0, y));
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termpty_cell_copy(ty, cells, cells2, ty->w);
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}
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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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}
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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.scroll_y2 != 0) e = ty->termstate.scroll_y2;
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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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}
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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.scroll_y1 != 0) b = ty->termstate.scroll_y1;
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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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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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Eina_Unicode g;
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if (ty->termstate.wrapnext)
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{
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cells[ty->w - 1].att.autowrapped = 1;
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ty->termstate.wrapnext = 0;
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ty->cursor_state.cx = 0;
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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 = ty->w - 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(codepoints[i], ty);
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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 defined(SUPPORT_DBLWIDTH)
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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 < (ty->w - 1))))
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{
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TERMPTY_FMTCLR(cells[ty->cursor_state.cx].att);
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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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#endif
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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 defined(SUPPORT_DBLWIDTH)
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if (EINA_UNLIKELY(cells[ty->cursor_state.cx].att.dblwidth))
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offset = 2;
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#endif
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if (EINA_UNLIKELY(ty->cursor_state.cx >= (ty->w - 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, ty->w);
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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 defined(SUPPORT_DBLWIDTH)
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if (EINA_UNLIKELY(cells[ty->cursor_state.cx].att.dblwidth))
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offset = 2;
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#endif
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ty->cursor_state.cx += offset;
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if (ty->cursor_state.cx > (ty->w - offset))
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{
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ty->cursor_state.cx = ty->w - offset;
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TERMPTY_RESTRICT_FIELD(ty->cursor_state.cx, 0, ty->w);
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return;
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}
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TERMPTY_RESTRICT_FIELD(ty->cursor_state.cx, 0, ty->w);
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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_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->w;
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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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ty->termstate.scroll_y2 = 0;
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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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#if defined(SUPPORT_DBLWIDTH)
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att->dblwidth = 0;
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#endif
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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->tab = 0;
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att->fraktur = 0;
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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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int backsize;
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ty->cursor_state.cx = 0;
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ty->cursor_state.cy = 0;
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ty->termstate.scroll_y1 = 0;
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ty->termstate.scroll_y2 = 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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termpty_reset_att(&(ty->termstate.att));
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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.had_cr = 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->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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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->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_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.cx = ty->cursor_state.cx;
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ty->cursor_save.cy = ty->cursor_state.cy;
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}
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else
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{
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ty->cursor_state.cx = ty->cursor_save.cx;
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ty->cursor_state.cy = ty->cursor_save.cy;
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}
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}
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