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Implement scrollback_fill_enlarged_window

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Eddie Lebow 2021-03-12 02:02:11 -05:00
parent 4682da83c1
commit 9fff829ab4
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GPG Key ID: 21A09CFD989FD546
1 changed files with 34 additions and 9 deletions
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43
kitty/screen.c
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@ -212,6 +212,15 @@ realloc_lb(LineBuf *old, unsigned int lines, unsigned int columns, index_type *n
return ans;
}
#define INDEX_GRAPHICS(amtv) { \
bool is_main = self->linebuf == self->main_linebuf; \
static ScrollData s; \
s.amt = amtv; s.limit = is_main ? -self->historybuf->ynum : 0; \
s.has_margins = self->margin_top != 0 || self->margin_bottom != self->lines - 1; \
s.margin_top = top; s.margin_bottom = bottom; \
grman_scroll_images(self->grman, &s, self->cell_size); \
}
static bool
screen_resize(Screen *self, unsigned int lines, unsigned int columns) {
if (self->overlay_line.is_active) deactivate_overlay_line(self);
@ -236,6 +245,31 @@ screen_resize(Screen *self, unsigned int lines, unsigned int columns) {
index_type x = self->cursor->x, y = self->cursor->y;
LineBuf *n = realloc_lb(self->main_linebuf, lines, columns, &num_content_lines_before, &num_content_lines_after, self->historybuf, &x, &y, &self->as_ansi_buf);
if (n == NULL) return false;
if (OPT(scrollback_fill_enlarged_window)) {
int lines_to_fill = (lines - self->main_linebuf->ynum) \
+ (linebuf_continued_lines_count(self->main_linebuf, y) - linebuf_continued_lines_count(n, y));
while (lines_to_fill > 0) {
if (self->historybuf->count <= 0) break;
unsigned int top = 0, bottom = lines-1;
linebuf_reverse_index(n, top, bottom);
y++;
INDEX_GRAPHICS(1);
Line last_history_line = {.xnum=self->historybuf->xnum};
bool line_popped = historybuf_pop_line(self->historybuf, &last_history_line);
if (!line_popped)
break;
linebuf_add_line_to_top(n, &last_history_line);
lines_to_fill--;
}
}
Py_CLEAR(self->main_linebuf); self->main_linebuf = n;
if (is_main) setup_cursor();
grman_resize(self->main_grman, self->lines, lines, self->columns, columns);
@ -1044,15 +1078,6 @@ index_selection(const Screen *self, Selections *selections, bool up) {
}
}
#define INDEX_GRAPHICS(amtv) { \
bool is_main = self->linebuf == self->main_linebuf; \
static ScrollData s; \
s.amt = amtv; s.limit = is_main ? -self->historybuf->ynum : 0; \
s.has_margins = self->margin_top != 0 || self->margin_bottom != self->lines - 1; \
s.margin_top = top; s.margin_bottom = bottom; \
grman_scroll_images(self->grman, &s, self->cell_size); \
}
#define INDEX_UP \
if (self->overlay_line.is_active) deactivate_overlay_line(self); \
linebuf_index(self->linebuf, top, bottom); \