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Allowing copy mode to scroll left and right is annoying, so limit it to the

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real screen width. To indicate the cursor is at the end of the line rather than
the cell before, put a '$' in the last cell.

Also clear the selection when the terminal is resized to avoid tmux getting
confused.
This commit is contained in:
Nicholas Marriott
2009-08-13 19:35:20 +00:00
parent e2ff51f93f
commit 3026118c70
1 changed files with 68 additions and 199 deletions
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267
window-copy.c
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@@ -35,12 +35,8 @@ void window_copy_write_line(
struct window_pane *, struct screen_write_ctx *, u_int);
void window_copy_write_lines(
struct window_pane *, struct screen_write_ctx *, u_int, u_int);
void window_copy_write_column(
struct window_pane *, struct screen_write_ctx *, u_int);
void window_copy_write_columns(
struct window_pane *, struct screen_write_ctx *, u_int, u_int);
void window_copy_update_cursor(struct window_pane *);
void window_copy_update_cursor(struct window_pane *, u_int, u_int);
void window_copy_start_selection(struct window_pane *);
int window_copy_update_selection(struct window_pane *);
void window_copy_copy_selection(struct window_pane *, struct client *);
@@ -48,7 +44,6 @@ void window_copy_copy_line(
struct window_pane *, char **, size_t *, u_int, u_int, u_int);
int window_copy_is_space(struct window_pane *, u_int, u_int);
u_int window_copy_find_length(struct window_pane *, u_int);
void window_copy_set_cursor_x(struct window_pane *, u_int);
void window_copy_cursor_start_of_line(struct window_pane *);
void window_copy_cursor_back_to_indentation(struct window_pane *);
void window_copy_cursor_end_of_line(struct window_pane *);
@@ -58,8 +53,6 @@ void window_copy_cursor_up(struct window_pane *);
void window_copy_cursor_down(struct window_pane *);
void window_copy_cursor_next_word(struct window_pane *);
void window_copy_cursor_previous_word(struct window_pane *);
void window_copy_scroll_left(struct window_pane *, u_int);
void window_copy_scroll_right(struct window_pane *, u_int);
void window_copy_scroll_up(struct window_pane *, u_int);
void window_copy_scroll_down(struct window_pane *, u_int);
@@ -77,7 +70,6 @@ struct window_copy_mode_data {
struct mode_key_data mdata;
u_int ox;
u_int oy;
u_int selx;
@@ -97,7 +89,6 @@ window_copy_init(struct window_pane *wp)
int keys;
wp->modedata = data = xmalloc(sizeof *data);
data->ox = 0;
data->oy = 0;
data->cx = wp->base.cx;
data->cy = wp->base.cy;
@@ -156,10 +147,18 @@ window_copy_resize(struct window_pane *wp, u_int sx, u_int sy)
struct screen_write_ctx ctx;
screen_resize(s, sx, sy);
if (data->cy > sy - 1)
data->cy = sy - 1;
if (data->cx > sx)
data->cx = sx;
screen_clear_selection(&data->screen);
screen_write_start(&ctx, NULL, s);
window_copy_write_lines(wp, &ctx, 0, screen_size_y(s) - 1);
screen_write_stop(&ctx);
window_copy_update_selection(wp);
window_copy_redraw_screen(wp);
}
@@ -244,16 +243,14 @@ window_copy_mouse(struct window_pane *wp,
if (y >= screen_size_y(s))
return;
data->cx = x;
data->cy = y;
window_copy_update_cursor(wp, x, y);
if (window_copy_update_selection(wp))
window_copy_redraw_screen(wp);
window_copy_update_cursor(wp);
}
void
window_copy_write_line(struct window_pane *wp, struct screen_write_ctx *ctx, u_int py)
window_copy_write_line(
struct window_pane *wp, struct screen_write_ctx *ctx, u_int py)
{
struct window_copy_mode_data *data = wp->modedata;
struct screen *s = &data->screen;
@@ -264,18 +261,25 @@ window_copy_write_line(struct window_pane *wp, struct screen_write_ctx *ctx, u_i
if (py == 0) {
memcpy(&gc, &grid_default_cell, sizeof gc);
size = xsnprintf(hdr, sizeof hdr,
"[%u,%u/%u]", data->ox, data->oy, screen_hsize(&wp->base));
"[%u/%u]", data->oy, screen_hsize(&wp->base));
gc.fg = options_get_number(&wp->window->options, "mode-fg");
gc.bg = options_get_number(&wp->window->options, "mode-bg");
gc.attr |= options_get_number(&wp->window->options, "mode-attr");
gc.attr |= options_get_number(
&wp->window->options, "mode-attr");
screen_write_cursormove(ctx, screen_size_x(s) - size, 0);
screen_write_puts(ctx, &gc, "%s", hdr);
} else
size = 0;
screen_write_cursormove(ctx, 0, py);
screen_write_copy(ctx, &wp->base, data->ox, (screen_hsize(&wp->base) -
screen_write_copy(ctx, &wp->base, 0, (screen_hsize(&wp->base) -
data->oy) + py, screen_size_x(s) - size, 1);
if (py == data->cy && data->cx == screen_size_x(s)) {
memcpy(&gc, &grid_default_cell, sizeof gc);
screen_write_cursormove(ctx, screen_size_x(s) - 1, py);
screen_write_putc(ctx, &gc, '$');
}
}
void
@@ -288,28 +292,6 @@ window_copy_write_lines(
window_copy_write_line(wp, ctx, py);
}
void
window_copy_write_column(
struct window_pane *wp, struct screen_write_ctx *ctx, u_int px)
{
struct window_copy_mode_data *data = wp->modedata;
struct screen *s = &data->screen;
screen_write_cursormove(ctx, px, 0);
screen_write_copy(ctx, &wp->base,
data->ox + px, screen_hsize(&wp->base) - data->oy, 1, screen_size_y(s));
}
void
window_copy_write_columns(
struct window_pane *wp, struct screen_write_ctx *ctx, u_int px, u_int nx)
{
u_int xx;
for (xx = px; xx < px + nx; xx++)
window_copy_write_column(wp, ctx, xx);
}
void
window_copy_redraw_lines(struct window_pane *wp, u_int py, u_int ny)
{
@@ -333,14 +315,24 @@ window_copy_redraw_screen(struct window_pane *wp)
}
void
window_copy_update_cursor(struct window_pane *wp)
window_copy_update_cursor(struct window_pane *wp, u_int cx, u_int cy)
{
struct window_copy_mode_data *data = wp->modedata;
struct screen *s = &data->screen;
struct screen_write_ctx ctx;
u_int old_cx, old_cy;
screen_write_start(&ctx, wp, NULL);
screen_write_cursormove(&ctx, data->cx, data->cy);
screen_write_stop(&ctx);
old_cx = data->cx; old_cy = data->cy;
data->cx = cx; data->cy = cy;
if (old_cx == screen_size_x(s))
window_copy_redraw_lines(wp, old_cy, 1);
if (data->cx == screen_size_x(s))
window_copy_redraw_lines(wp, data->cy, 1);
else {
screen_write_start(&ctx, wp, NULL);
screen_write_cursormove(&ctx, data->cx, data->cy);
screen_write_stop(&ctx);
}
}
void
@@ -349,7 +341,7 @@ window_copy_start_selection(struct window_pane *wp)
struct window_copy_mode_data *data = wp->modedata;
struct screen *s = &data->screen;
data->selx = data->cx + data->ox;
data->selx = data->cx;
data->sely = screen_hsize(&wp->base) + data->cy - data->oy;
s->sel.flag = 1;
@@ -362,7 +354,7 @@ window_copy_update_selection(struct window_pane *wp)
struct window_copy_mode_data *data = wp->modedata;
struct screen *s = &data->screen;
struct grid_cell gc;
u_int sx, sy, tx, ty;
u_int sx, sy, ty;
if (!s->sel.flag)
return (0);
@@ -373,34 +365,20 @@ window_copy_update_selection(struct window_pane *wp)
gc.bg = options_get_number(&wp->window->options, "mode-bg");
gc.attr |= options_get_number(&wp->window->options, "mode-attr");
/* Find top-left of screen. */
tx = data->ox;
/* Find top of screen. */
ty = screen_hsize(&wp->base) - data->oy;
/* Adjust the selection. */
sx = data->selx;
sy = data->sely;
if (sy < ty) {
/* Above it. */
if (sy < ty) { /* above screen */
sx = 0;
sy = 0;
} else if (sy > ty + screen_size_y(s) - 1) {
/* Below it. */
} else if (sy > ty + screen_size_y(s) - 1) { /* below screen */
sx = screen_size_x(s) - 1;
sy = screen_size_y(s) - 1;
} else if (sx < tx) {
/* To the left. */
sx = 0;
} else if (sx > tx + screen_size_x(s) - 1) {
/* To the right. */
sx = 0;
sy++;
if (sy > screen_size_y(s) - 1)
sy = screen_size_y(s) - 1;
} else {
sx -= tx;
} else
sy -= ty;
}
sy = screen_hsize(s) + sy;
screen_set_selection(
@@ -431,7 +409,7 @@ window_copy_copy_selection(struct window_pane *wp, struct client *c)
*/
/* Find start and end. */
xx = data->cx + data->ox;
xx = data->cx;
yy = screen_hsize(&wp->base) + data->cy - data->oy;
if (yy < data->sely || (yy == data->sely && xx < data->selx)) {
sx = xx; sy = yy;
@@ -566,61 +544,14 @@ window_copy_find_length(struct window_pane *wp, u_int py)
return (px);
}
/*
* Set the cursor X coordinate and scroll horizontally to make it visible.
* Also redraw the selection or the cursor, as needed.
*/
void
window_copy_set_cursor_x(struct window_pane *wp, u_int px)
{
struct window_copy_mode_data *data = wp->modedata;
struct screen *s = &data->screen;
/* On screen. */
if (px > data->ox && px <= data->ox + screen_size_x(s) - 1)
data->cx = px - data->ox;
/* Off right of screen. */
if (px > data->ox + screen_size_x(s) - 1) {
/* Move cursor to last and scroll screen. */
window_copy_scroll_left(
wp, px - data->ox - (screen_size_x(s) - 1));
data->cx = screen_size_x(s) - 1;
}
/* Off left of screen. */
if (px <= data->ox) {
if (px < screen_size_x(s) - 1) {
/* Short enough to fit on screen. */
window_copy_scroll_right(wp, data->ox);
data->cx = px;
} else {
/* Too long to fit on screen. */
window_copy_scroll_right(
wp, data->ox - (px - (screen_size_x(s) - 1)));
data->cx = screen_size_x(s) - 1;
}
}
if (window_copy_update_selection(wp))
window_copy_redraw_lines(wp, data->cy, 1);
else
window_copy_update_cursor(wp);
}
void
window_copy_cursor_start_of_line(struct window_pane *wp)
{
struct window_copy_mode_data *data = wp->modedata;
if (data->ox != 0)
window_copy_scroll_right(wp, data->ox);
data->cx = 0;
window_copy_update_cursor(wp, 0, data->cy);
if (window_copy_update_selection(wp))
window_copy_redraw_lines(wp, data->cy, 1);
else
window_copy_update_cursor(wp);
}
void
@@ -647,7 +578,9 @@ window_copy_cursor_back_to_indentation(struct window_pane *wp)
px++;
}
window_copy_set_cursor_x(wp, px);
window_copy_update_cursor(wp, px, data->cy);
if (window_copy_update_selection(wp))
window_copy_redraw_lines(wp, data->cy, 1);
}
void
@@ -659,7 +592,9 @@ window_copy_cursor_end_of_line(struct window_pane *wp)
py = screen_hsize(&wp->base) + data->cy - data->oy;
px = window_copy_find_length(wp, py);
window_copy_set_cursor_x(wp, px);
window_copy_update_cursor(wp, px, data->cy);
if (window_copy_update_selection(wp))
window_copy_redraw_lines(wp, data->cy, 1);
}
void
@@ -668,18 +603,12 @@ window_copy_cursor_left(struct window_pane *wp)
struct window_copy_mode_data *data = wp->modedata;
if (data->cx == 0) {
if (data->ox > 0)
window_copy_scroll_right(wp, 1);
else {
window_copy_cursor_up(wp);
window_copy_cursor_end_of_line(wp);
}
window_copy_cursor_up(wp);
window_copy_cursor_end_of_line(wp);
} else {
data->cx--;
window_copy_update_cursor(wp, data->cx - 1, data->cy);
if (window_copy_update_selection(wp))
window_copy_redraw_lines(wp, data->cy, 1);
else
window_copy_update_cursor(wp);
}
}
@@ -696,11 +625,9 @@ window_copy_cursor_right(struct window_pane *wp)
window_copy_cursor_start_of_line(wp);
window_copy_cursor_down(wp);
} else {
data->cx++;
window_copy_update_cursor(wp, data->cx + 1, data->cy);
if (window_copy_update_selection(wp))
window_copy_redraw_lines(wp, data->cy, 1);
else
window_copy_update_cursor(wp);
}
}
@@ -716,17 +643,15 @@ window_copy_cursor_up(struct window_pane *wp)
if (data->cy == 0)
window_copy_scroll_down(wp, 1);
else {
data->cy--;
window_copy_update_cursor(wp, data->cx, data->cy - 1);
if (window_copy_update_selection(wp))
window_copy_redraw_lines(wp, data->cy, 2);
else
window_copy_update_cursor(wp);
}
py = screen_hsize(&wp->base) + data->cy - data->oy;
px = window_copy_find_length(wp, py);
if (data->cx + data->ox >= px || data->cx + data->ox >= ox)
if (data->cx >= px || data->cx >= ox)
window_copy_cursor_end_of_line(wp);
}
@@ -743,17 +668,15 @@ window_copy_cursor_down(struct window_pane *wp)
if (data->cy == screen_size_y(s) - 1)
window_copy_scroll_up(wp, 1);
else {
data->cy++;
window_copy_update_cursor(wp, data->cx, data->cy + 1);
if (window_copy_update_selection(wp))
window_copy_redraw_lines(wp, data->cy - 1, 2);
else
window_copy_update_cursor(wp);
}
py = screen_hsize(&wp->base) + data->cy - data->oy;
px = window_copy_find_length(wp, py);
if (data->cx + data->ox >= px || data->cx + data->ox >= ox)
if (data->cx >= px || data->cx >= ox)
window_copy_cursor_end_of_line(wp);
}
@@ -764,7 +687,7 @@ window_copy_cursor_next_word(struct window_pane *wp)
struct screen *s = &data->screen;
u_int px, py, xx, skip;
px = data->ox + data->cx;
px = data->cx;
py = screen_hsize(&wp->base) + data->cy - data->oy;
xx = window_copy_find_length(wp, py);
@@ -809,9 +732,11 @@ window_copy_cursor_next_word(struct window_pane *wp)
px++;
}
out:
window_copy_set_cursor_x(wp, px);
out:
window_copy_update_cursor(wp, px, data->cy);
if (window_copy_update_selection(wp))
window_copy_redraw_lines(wp, data->cy, 1);
}
/* Move to the previous place where a word begins. */
@@ -821,7 +746,7 @@ window_copy_cursor_previous_word(struct window_pane *wp)
struct window_copy_mode_data *data = wp->modedata;
u_int px, py;
px = data->ox + data->cx;
px = data->cx;
py = screen_hsize(&wp->base) + data->cy - data->oy;
/* Move back to the previous word character. */
@@ -848,65 +773,9 @@ window_copy_cursor_previous_word(struct window_pane *wp)
px--;
out:
window_copy_set_cursor_x(wp, px);
}
void
window_copy_scroll_left(struct window_pane *wp, u_int nx)
{
struct window_copy_mode_data *data = wp->modedata;
struct screen *s = &data->screen;
struct screen_write_ctx ctx;
u_int i;
if (data->ox > SHRT_MAX - nx)
nx = SHRT_MAX - data->ox;
if (nx == 0)
return;
data->ox += nx;
window_copy_update_selection(wp);
screen_write_start(&ctx, wp, NULL);
for (i = 1; i < screen_size_y(s); i++) {
screen_write_cursormove(&ctx, 0, i);
screen_write_deletecharacter(&ctx, nx);
}
window_copy_write_columns(wp, &ctx, screen_size_x(s) - nx, nx);
window_copy_write_line(wp, &ctx, 0);
if (s->sel.flag) {
window_copy_update_selection(wp);
window_copy_write_lines(wp, &ctx, data->cy, 1);
}
screen_write_cursormove(&ctx, data->cx, data->cy);
screen_write_stop(&ctx);
}
void
window_copy_scroll_right(struct window_pane *wp, u_int nx)
{
struct window_copy_mode_data *data = wp->modedata;
struct screen *s = &data->screen;
struct screen_write_ctx ctx;
u_int i;
if (data->ox < nx)
nx = data->ox;
if (nx == 0)
return;
data->ox -= nx;
window_copy_update_selection(wp);
screen_write_start(&ctx, wp, NULL);
for (i = 1; i < screen_size_y(s); i++) {
screen_write_cursormove(&ctx, 0, i);
screen_write_insertcharacter(&ctx, nx);
}
window_copy_write_columns(wp, &ctx, 0, nx);
window_copy_write_line(wp, &ctx, 0);
if (s->sel.flag)
window_copy_write_line(wp, &ctx, data->cy);
screen_write_cursormove(&ctx, data->cx, data->cy);
screen_write_stop(&ctx);
window_copy_update_cursor(wp, px, data->cy);
if (window_copy_update_selection(wp))
window_copy_redraw_lines(wp, data->cy, 1);
}
void