[Wayland-bugs] [Bug 71935] weston-terminal: artifacts (lingering character glyphs) when scrolling in vim (ncurses)

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=71935

--- Comment #5 from emiettin at edu.lahti.fi ---
Comment on attachment 89708
  --> https://bugs.freedesktop.org/attachment.cgi?id=89708
patch to fix the 'clear entire screen' escape sequence handler

--- weston_a/clients/terminal.c 2013-11-24 13:18:57.020992332 +0200
+++ weston_b/clients/terminal.c 2013-11-24 13:19:28.517658360 +0200
@@ -1415,8 +1415,12 @@
                        }
                } else if (args[0] == 2) {
                        /* Clear screen by scrolling contents out */
-                       terminal_scroll_buffer(terminal,
-                                              terminal->end -
terminal->start);
+                       for (i = 0; i < terminal->height; i++) {
+                               memset(terminal_get_row(terminal, i),
+                                   0, terminal->data_pitch);
+                               attr_init(terminal_get_attr_row(terminal, i),
+                                   terminal->curr_attr, terminal->width);
+                       }
                }
                break;
        case 'K':    /* EL */

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