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Comparing rxvt-unicode/src/screen.C (file contents):
Revision 1.77 by root, Mon Jul 26 14:57:12 2004 UTC vs.
Revision 1.85 by root, Sun Aug 8 16:43:21 2004 UTC

29#include "rxvt.h" /* NECESSARY */ 29#include "rxvt.h" /* NECESSARY */
30#include "screen.intpro" /* PROTOS for internal routines */ 30#include "screen.intpro" /* PROTOS for internal routines */
31 31
32#include <X11/Xmd.h> /* get the typedef for CARD32 */ 32#include <X11/Xmd.h> /* get the typedef for CARD32 */
33 33
34#include <stdint.h> 34#include <inttypes.h>
35#include <wchar.h> 35#include <wchar.h>
36 36
37#include "salloc.C" // HACK, should be a seperate compile! 37#include "salloc.C" // HACK, should be a seperate compile!
38 38
39inline void fill_text (text_t *start, text_t value, int len) 39inline void fill_text (text_t *start, text_t value, int len)
118/* Fill part/all of a line with blanks. */ 118/* Fill part/all of a line with blanks. */
119void 119void
120rxvt_term::scr_blank_line (text_t *et, rend_t *er, unsigned int width, rend_t efs) 120rxvt_term::scr_blank_line (text_t *et, rend_t *er, unsigned int width, rend_t efs)
121{ 121{
122 efs &= ~RS_baseattrMask; 122 efs &= ~RS_baseattrMask;
123 efs = SET_FONT (efs, TermWin.fontset->find_font (' ')); 123 efs = SET_FONT (efs, TermWin.ascii_map [' ' - 0x20]);
124 124
125 while (width--) 125 while (width--)
126 { 126 {
127 *et++ = ' '; 127 *et++ = ' ';
128 *er++ = efs; 128 *er++ = efs;
705 if (j > 0) 705 if (j > 0)
706 { 706 {
707 /* A: scroll up */ 707 /* A: scroll up */
708 708
709 /* A1: Copy lines that will get clobbered by the rotation */ 709 /* A1: Copy lines that will get clobbered by the rotation */
710 memcpy (buf_text, screen.text + row1, count * sizeof (text_t *));
711 memcpy (buf_rend, screen.rend + row1, count * sizeof (rend_t *));
712
713 /* A2: Rotate lines */
714 i = row2 - row1 - count + 1;
715 memmove (screen.tlen + row1, screen.tlen + row1 + count, i * sizeof (int16_t));
716 memmove (screen.text + row1, screen.text + row1 + count, i * sizeof (text_t *));
717 memmove (screen.rend + row1, screen.rend + row1 + count, i * sizeof (rend_t *));
718
719 j = row2 - count + 1, i = count;
720 }
721 else /* if (j < 0) */
722 {
723 /* B: scroll down */
724
725 /* B1: Copy lines that will get clobbered by the rotation */
710 for (i = 0, j = row1; i < count; i++, j++) 726 for (i = 0, j = row2; i < count; i++, j--)
711 { 727 {
712 buf_text[i] = screen.text[j]; 728 buf_text[i] = screen.text[j];
713 buf_rend[i] = screen.rend[j]; 729 buf_rend[i] = screen.rend[j];
714 } 730 }
715 731
716 /* A2: Rotate lines */ 732 /* B2: Rotate lines */
717 for (j = row1, i = j + count; i <= row2; i++, j++) 733 for (j = row2, i = j - count; i >= row1; i--, j--)
718 { 734 {
719 screen.tlen[j] = screen.tlen[i]; 735 screen.tlen[j] = screen.tlen[i];
720 screen.text[j] = screen.text[i]; 736 screen.text[j] = screen.text[i];
721 screen.rend[j] = screen.rend[i]; 737 screen.rend[j] = screen.rend[i];
722 } 738 }
723 739
724 j = row2 - count + 1, i = count;
725 }
726 else /* if (j < 0) */
727 {
728 /* B: scroll down */
729
730 /* B1: Copy lines that will get clobbered by the rotation */
731 for (i = 0, j = row2; i < count; i++, j--)
732 {
733 buf_text[i] = screen.text[j];
734 buf_rend[i] = screen.rend[j];
735 }
736
737 /* B2: Rotate lines */
738 for (j = row2, i = j - count; i >= row1; i--, j--)
739 {
740 screen.tlen[j] = screen.tlen[i];
741 screen.text[j] = screen.text[i];
742 screen.rend[j] = screen.rend[i];
743 }
744
745 j = row1, i = count; 740 j = row1, i = count;
746 count = -count; 741 count = -count;
747 } 742 }
748 743
749 /* C: Resurrect lines */ 744 /* C: Resurrect lines */
745 memset (screen.tlen + j, 0, i * sizeof (int16_t));
746 memcpy (screen.text + j, buf_text, i * sizeof (text_t *));
747 memcpy (screen.rend + j, buf_rend, i * sizeof (text_t *));
748 if (!spec) /* line length may not equal TermWin.ncol */
750 for (; i--; j++) 749 for (; i--; j++)
751 {
752 screen.tlen[j] = 0;
753 screen.text[j] = buf_text[i];
754 screen.rend[j] = buf_rend[i];
755
756 if (!spec) /* line length may not equal TermWin.ncol */
757 scr_blank_screen_mem (screen.text, screen.rend, (unsigned int)j, rstyle); 750 scr_blank_screen_mem (screen.text, screen.rend, (unsigned int)j, rstyle);
758 }
759 751
760 return count; 752 return count;
761} 753}
762 754
763/* ------------------------------------------------------------------------- */ 755/* ------------------------------------------------------------------------- */
781 773
782 D_SCREEN ((stderr, "rxvt_scr_add_lines (%d,%d)", nlines, len)); 774 D_SCREEN ((stderr, "rxvt_scr_add_lines (%d,%d)", nlines, len));
783 ZERO_SCROLLBACK (); 775 ZERO_SCROLLBACK ();
784 if (nlines > 0) 776 if (nlines > 0)
785 { 777 {
786 nlines += (screen.cur.row - screen.bscroll); 778 nlines += screen.cur.row - screen.bscroll;
787 if ((nlines > 0) 779 if ((nlines > 0)
788 && (screen.tscroll == 0) 780 && (screen.tscroll == 0)
789 && (screen.bscroll == (TermWin.nrow - 1))) 781 && (screen.bscroll == (TermWin.nrow - 1)))
790 { 782 {
791 /* _at least_ this many lines need to be scrolled */ 783 /* _at least_ this many lines need to be scrolled */
794 } 786 }
795 } 787 }
796#ifdef DEBUG_STRICT 788#ifdef DEBUG_STRICT
797 assert (screen.cur.col < last_col); 789 assert (screen.cur.col < last_col);
798 assert ((screen.cur.row < TermWin.nrow) 790 assert ((screen.cur.row < TermWin.nrow)
799 && (screen.cur.row >= - (int32_t)TermWin.nscrolled)); 791 && (screen.cur.row >= - (int32_t)TermWin.nscrolled));
800#else /* drive with your eyes closed */ 792#else /* drive with your eyes closed */
801 MIN_IT (screen.cur.col, last_col - 1); 793 MIN_IT (screen.cur.col, last_col - 1);
802 MIN_IT (screen.cur.row, (int32_t)TermWin.nrow - 1); 794 MIN_IT (screen.cur.row, (int32_t)TermWin.nrow - 1);
803 MAX_IT (screen.cur.row, - (int32_t)TermWin.nscrolled); 795 MAX_IT (screen.cur.row, - (int32_t)TermWin.nscrolled);
804#endif 796#endif
871 scr_insdel_chars (1, INSERT); 863 scr_insdel_chars (1, INSERT);
872 864
873 // rely on wcwidth to tell us the character width, at least for non-latin1 865 // rely on wcwidth to tell us the character width, at least for non-latin1
874 // do wcwidth before further replacements, as wcwidth says that line-drawing 866 // do wcwidth before further replacements, as wcwidth says that line-drawing
875 // characters have width -1 (DOH!) on GNU/Linux sometimes. 867 // characters have width -1 (DOH!) on GNU/Linux sometimes.
876 int width = c < 256 ? 1 : wcwidth (c); 868 int width = c < 0x100 ? 1 : wcwidth (c);
877 869
878 if (charsets[screen.charset] == '0') // DEC SPECIAL 870 if (charsets[screen.charset] == '0') // DEC SPECIAL
879 { 871 {
880 // vt100 special graphics and line drawing 872 // vt100 special graphics and line drawing
881 static uint16_t vt100_0[32] = { // 5f .. 7e 873 static uint16_t vt100_0[32] = { // 5f .. 7e
898 // trim characters we can't store directly :( 890 // trim characters we can't store directly :(
899 if (c >= 0x10000) 891 if (c >= 0x10000)
900 c = rxvt_composite.compose (c); // map to lower 16 bits 892 c = rxvt_composite.compose (c); // map to lower 16 bits
901#endif 893#endif
902 bool bold = (Options & Opt_realBold) && ((rstyle & RS_Bold) != 0); 894 bool bold = (Options & Opt_realBold) && ((rstyle & RS_Bold) != 0);
903 rend_t rend = SET_FONT (rstyle, TermWin.fontset->find_font (c, bold)); 895 rend_t rend = SET_FONT (rstyle,
896 c > 0x7f || bold || c < 0x20
897 ? TermWin.fontset->find_font (c, bold)
898 : TermWin.ascii_map [c - 0x20]);
904 899
905 do 900 do
906 { 901 {
907 stp[screen.cur.col] = c; 902 stp[screen.cur.col] = c;
908 srp[screen.cur.col] = rend; 903 srp[screen.cur.col] = rend;
1289 break; 1284 break;
1290 default: 1285 default:
1291 return; 1286 return;
1292 } 1287 }
1293 1288
1294 refresh_type |= REFRESH_BOUNDS;
1295
1296 if (selection.op && current_screen == selection.screen 1289 if (selection.op && current_screen == selection.screen
1297 && ((selection.beg.row >= row && selection.beg.row <= row + num) 1290 && ((selection.beg.row >= row && selection.beg.row <= row + num)
1298 || (selection.end.row >= row 1291 || (selection.end.row >= row
1299 && selection.end.row <= row + num))) 1292 && selection.end.row <= row + num)))
1300 CLEAR_SELECTION (); 1293 CLEAR_SELECTION ();
1747 row_col_t rc[RC_COUNT]; 1740 row_col_t rc[RC_COUNT];
1748 1741
1749 if (drawn_text == NULL) /* sanity check */ 1742 if (drawn_text == NULL) /* sanity check */
1750 return; 1743 return;
1751 1744
1745#ifndef NO_SLOW_LINK_SUPPORT
1746 if (refresh_type == FAST_REFRESH && !display->is_local)
1747 {
1748 y = 0;
1749 height = TermWin.height;
1750 }
1751#endif
1752
1752#ifdef DEBUG_STRICT 1753#ifdef DEBUG_STRICT
1753 x = max (x, 0); 1754 x = max (x, 0);
1754 x = min (x, (int)TermWin.width); 1755 x = min (x, (int)TermWin.width);
1755 y = max (y, 0); 1756 y = max (y, 0);
1756 y = min (y, (int)TermWin.height); 1757 y = min (y, (int)TermWin.height);
1774 1775
1775 for (i = rc[PART_BEG].row; i <= rc[PART_END].row; i++) 1776 for (i = rc[PART_BEG].row; i <= rc[PART_END].row; i++)
1776 fill_text (&drawn_text[i][rc[PART_BEG].col], 0, rc[PART_END].col - rc[PART_BEG].col + 1); 1777 fill_text (&drawn_text[i][rc[PART_BEG].col], 0, rc[PART_END].col - rc[PART_BEG].col + 1);
1777 1778
1778 if (refresh) 1779 if (refresh)
1779 scr_refresh (SLOW_REFRESH | REFRESH_BOUNDS); 1780 scr_refresh (SLOW_REFRESH);
1780} 1781}
1781 1782
1782/* ------------------------------------------------------------------------- */ 1783/* ------------------------------------------------------------------------- */
1783/* 1784/*
1784 * Refresh the entire screen 1785 * Refresh the entire screen
1819 * direction should be UP or DN 1820 * direction should be UP or DN
1820 */ 1821 */
1821int 1822int
1822rxvt_term::scr_page (enum page_dirn direction, int nlines) 1823rxvt_term::scr_page (enum page_dirn direction, int nlines)
1823{ 1824{
1824 int n; 1825 int n;
1825 uint16_t oldviewstart; 1826 uint16_t oldviewstart;
1826 1827
1827 D_SCREEN ((stderr, "rxvt_scr_page (%s, %d) view_start:%d", ((direction == UP) ? "UP" : "DN"), nlines, TermWin.view_start)); 1828 D_SCREEN ((stderr, "rxvt_scr_page (%s, %d) view_start:%d", ((direction == UP) ? "UP" : "DN"), nlines, TermWin.view_start));
1828#ifdef DEBUG_STRICT 1829#ifdef DEBUG_STRICT
1829 assert ((nlines >= 0) && (nlines <= TermWin.nrow)); 1830 assert ((nlines >= 0) && (nlines <= TermWin.nrow));
1830#endif 1831#endif
1926 ((Y) >= (X)->min_char_or_byte2 && (Y) <= (X)->max_char_or_byte2) 1927 ((Y) >= (X)->min_char_or_byte2 && (Y) <= (X)->max_char_or_byte2)
1927 1928
1928void 1929void
1929rxvt_term::scr_refresh (unsigned char refresh_type) 1930rxvt_term::scr_refresh (unsigned char refresh_type)
1930{ 1931{
1931 unsigned char clearfirst, /* first character writes before cell */
1932 clearlast, /* last character writes beyond cell */
1933 must_clear, /* use draw_string not draw_image_string */ 1932 unsigned char must_clear, /* use draw_string not draw_image_string */
1934 rvid, /* reverse video this position */ 1933 rvid, /* reverse video this position */
1935 showcursor; /* show the cursor */ 1934 showcursor; /* show the cursor */
1936 int16_t col, row, /* column/row we're processing */ 1935 int16_t col, row, /* column/row we're processing */
1937 ocrow; /* old cursor row */ 1936 ocrow; /* old cursor row */
1938 int i, /* tmp */ 1937 int i, /* tmp */
1947 return; 1946 return;
1948 1947
1949 /* 1948 /*
1950 * A: set up vars 1949 * A: set up vars
1951 */ 1950 */
1952 clearfirst = clearlast = must_clear = 0; 1951 must_clear = 0;
1953 1952
1954 refresh_count = 0; 1953 refresh_count = 0;
1955 1954
1956 row_offset = TermWin.saveLines - TermWin.view_start; 1955 row_offset = TermWin.saveLines - TermWin.view_start;
1957
1958 if ((refresh_type & REFRESH_BOUNDS))
1959 {
1960 clearfirst = clearlast = 1;
1961 refresh_type &= ~REFRESH_BOUNDS;
1962 }
1963 1956
1964#ifdef XPM_BACKGROUND 1957#ifdef XPM_BACKGROUND
1965 must_clear |= (bgPixmap.pixmap != None); 1958 must_clear |= (bgPixmap.pixmap != None);
1966#endif 1959#endif
1967#ifdef TRANSPARENT 1960#ifdef TRANSPARENT
2055 /* 2048 /*
2056 * D: CopyArea pass - very useful for slower links 2049 * D: CopyArea pass - very useful for slower links
2057 * This has been deliberately kept simple. 2050 * This has been deliberately kept simple.
2058 */ 2051 */
2059 i = num_scr; 2052 i = num_scr;
2053 if (!display->is_local
2060 if (refresh_type == FAST_REFRESH && num_scr_allow && i 2054 && refresh_type == FAST_REFRESH && num_scr_allow && i
2061 && abs (i) < TermWin.nrow && !must_clear) 2055 && abs (i) < TermWin.nrow && !must_clear)
2062 { 2056 {
2063 int16_t nits; 2057 int16_t nits;
2064 int j; 2058 int j;
2065 rend_t *drp2; 2059 rend_t *drp2;
2235 back = Color_RV; 2229 back = Color_RV;
2236#endif 2230#endif
2237 } 2231 }
2238 2232
2239#ifdef TEXT_BLINK 2233#ifdef TEXT_BLINK
2240 if (rend & RS_Blink && back == Color_bg) 2234 if (rend & RS_Blink && (back == Color_bg || fore == Color_bg))
2241 { 2235 {
2242 if (!text_blink_ev.active) 2236 if (!text_blink_ev.active)
2243 { 2237 {
2244 text_blink_ev.start (NOW + TEXT_BLINK_INTERVAL); 2238 text_blink_ev.start (NOW + TEXT_BLINK_INTERVAL);
2245 hidden_text = 0; 2239 hidden_text = 0;
2275 font->draw (*TermWin.drawable, xpixel, ypixel, text, count, fore, Color_bg); 2269 font->draw (*TermWin.drawable, xpixel, ypixel, text, count, fore, Color_bg);
2276 } 2270 }
2277 else 2271 else
2278 font->draw (*TermWin.drawable, xpixel, ypixel, text, count, fore, back); 2272 font->draw (*TermWin.drawable, xpixel, ypixel, text, count, fore, back);
2279 2273
2280 if ((rend & RS_Uline) && (font->descent > 1)) 2274 if (rend & RS_Uline && font->descent > 1 && fore != back)
2281 XDrawLine (display->display, drawBuffer, TermWin.gc, 2275 XDrawLine (display->display, drawBuffer, TermWin.gc,
2282 xpixel, ypixel + font->ascent + 1, 2276 xpixel, ypixel + font->ascent + 1,
2283 xpixel + Width2Pixel (count) - 1, ypixel + font->ascent + 1); 2277 xpixel + Width2Pixel (count) - 1, ypixel + font->ascent + 1);
2284 } /* for (col....) */ 2278 } /* for (col....) */
2285 } /* for (row....) */ 2279 } /* for (row....) */
2320 /* 2314 /*
2321 * H: cleanup selection 2315 * H: cleanup selection
2322 */ 2316 */
2323 scr_reverse_selection (); 2317 scr_reverse_selection ();
2324 2318
2325 /*
2326 * I: other general cleanup
2327 */
2328#if 0
2329 if (clearfirst && TermWin.int_bwidth)
2330 /*
2331 * clear the whole screen height, note that width == 0 is treated
2332 * specially by XClearArea
2333 */
2334 XClearArea (display->display, TermWin.vt, 0, 0,
2335 (unsigned int)TermWin.int_bwidth,
2336 (unsigned int)TermWin_TotalHeight (), False);
2337
2338 if (clearlast && TermWin.int_bwidth)
2339 /*
2340 * clear the whole screen height, note that width == 0 is treated
2341 * specially by XClearArea
2342 */
2343 XClearArea (display->display, TermWin.vt,
2344 TermWin.width + TermWin.int_bwidth, 0,
2345 (unsigned int)TermWin.int_bwidth,
2346 (unsigned int)TermWin_TotalHeight (), False);
2347#endif
2348
2349 if (refresh_type & SMOOTH_REFRESH) 2319 if (refresh_type & SMOOTH_REFRESH)
2350 XSync (display->display, False); 2320 XFlush (display->display);
2351 2321
2352 num_scr = 0; 2322 num_scr = 0;
2353 num_scr_allow = 1; 2323 num_scr_allow = 1;
2354 want_refresh = 0; /* screen is current */ 2324 want_refresh = 0; /* screen is current */
2355} 2325}

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