tmux/window-buffer.c

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/* $OpenBSD$ */
/*
* Copyright (c) 2017 Nicholas Marriott <nicholas.marriott@gmail.com>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER
* IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
* OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#include <sys/types.h>
#include <stdlib.h>
#include <string.h>
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#include <time.h>
#include <vis.h>
#include "tmux.h"
static struct screen *window_buffer_init(struct window_mode_entry *,
struct cmd_find_state *, struct args *);
static void window_buffer_free(struct window_mode_entry *);
static void window_buffer_resize(struct window_mode_entry *, u_int,
u_int);
static void window_buffer_key(struct window_mode_entry *,
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struct client *, struct session *,
struct winlink *, key_code, struct mouse_event *);
#define WINDOW_BUFFER_DEFAULT_COMMAND "paste-buffer -b '%%'"
#define WINDOW_BUFFER_DEFAULT_FORMAT \
"#{buffer_size} bytes (#{t:buffer_created})"
static const struct menu_item window_buffer_menu_items[] = {
{ "Paste", 'p', NULL },
{ "Paste Tagged", 'P', NULL },
{ "", KEYC_NONE, NULL },
{ "Tag", 't', NULL },
{ "Tag All", '\024', NULL },
{ "Tag None", 'T', NULL },
{ "", KEYC_NONE, NULL },
{ "Delete", 'd', NULL },
{ "Delete Tagged", 'D', NULL },
{ "", KEYC_NONE, NULL },
{ "Cancel", 'q', NULL },
{ NULL, KEYC_NONE, NULL }
};
const struct window_mode window_buffer_mode = {
.name = "buffer-mode",
.default_format = WINDOW_BUFFER_DEFAULT_FORMAT,
.init = window_buffer_init,
.free = window_buffer_free,
.resize = window_buffer_resize,
.key = window_buffer_key,
};
enum window_buffer_sort_type {
WINDOW_BUFFER_BY_TIME,
WINDOW_BUFFER_BY_NAME,
WINDOW_BUFFER_BY_SIZE,
};
static const char *window_buffer_sort_list[] = {
"time",
"name",
"size"
};
struct window_buffer_itemdata {
const char *name;
u_int order;
size_t size;
};
struct window_buffer_modedata {
struct window_pane *wp;
struct cmd_find_state fs;
struct mode_tree_data *data;
char *command;
char *format;
struct window_buffer_itemdata **item_list;
u_int item_size;
};
static struct window_buffer_itemdata *
window_buffer_add_item(struct window_buffer_modedata *data)
{
struct window_buffer_itemdata *item;
data->item_list = xreallocarray(data->item_list, data->item_size + 1,
sizeof *data->item_list);
item = data->item_list[data->item_size++] = xcalloc(1, sizeof *item);
return (item);
}
static void
window_buffer_free_item(struct window_buffer_itemdata *item)
{
free((void *)item->name);
free(item);
}
static int
window_buffer_cmp_name(const void *a0, const void *b0)
{
const struct window_buffer_itemdata *const *a = a0;
const struct window_buffer_itemdata *const *b = b0;
return (strcmp((*a)->name, (*b)->name));
}
static int
window_buffer_cmp_time(const void *a0, const void *b0)
{
const struct window_buffer_itemdata *const *a = a0;
const struct window_buffer_itemdata *const *b = b0;
if ((*a)->order > (*b)->order)
return (-1);
if ((*a)->order < (*b)->order)
return (1);
return (strcmp((*a)->name, (*b)->name));
}
static int
window_buffer_cmp_size(const void *a0, const void *b0)
{
const struct window_buffer_itemdata *const *a = a0;
const struct window_buffer_itemdata *const *b = b0;
if ((*a)->size > (*b)->size)
return (-1);
if ((*a)->size < (*b)->size)
return (1);
return (strcmp((*a)->name, (*b)->name));
}
static void
window_buffer_build(void *modedata, u_int sort_type, __unused uint64_t *tag,
const char *filter)
{
struct window_buffer_modedata *data = modedata;
struct window_buffer_itemdata *item;
u_int i;
struct paste_buffer *pb;
char *text, *cp;
struct format_tree *ft;
struct session *s = NULL;
struct winlink *wl = NULL;
struct window_pane *wp = NULL;
for (i = 0; i < data->item_size; i++)
window_buffer_free_item(data->item_list[i]);
free(data->item_list);
data->item_list = NULL;
data->item_size = 0;
pb = NULL;
while ((pb = paste_walk(pb)) != NULL) {
item = window_buffer_add_item(data);
item->name = xstrdup(paste_buffer_name(pb));
paste_buffer_data(pb, &item->size);
item->order = paste_buffer_order(pb);
}
switch (sort_type) {
case WINDOW_BUFFER_BY_NAME:
qsort(data->item_list, data->item_size, sizeof *data->item_list,
window_buffer_cmp_name);
break;
case WINDOW_BUFFER_BY_TIME:
qsort(data->item_list, data->item_size, sizeof *data->item_list,
window_buffer_cmp_time);
break;
case WINDOW_BUFFER_BY_SIZE:
qsort(data->item_list, data->item_size, sizeof *data->item_list,
window_buffer_cmp_size);
break;
}
if (cmd_find_valid_state(&data->fs)) {
s = data->fs.s;
wl = data->fs.wl;
wp = data->fs.wp;
}
for (i = 0; i < data->item_size; i++) {
item = data->item_list[i];
pb = paste_get_name(item->name);
if (pb == NULL)
continue;
ft = format_create(NULL, NULL, FORMAT_NONE, 0);
format_defaults(ft, NULL, s, wl, wp);
format_defaults_paste_buffer(ft, pb);
if (filter != NULL) {
cp = format_expand(ft, filter);
if (!format_true(cp)) {
free(cp);
format_free(ft);
continue;
}
free(cp);
}
text = format_expand(ft, data->format);
mode_tree_add(data->data, NULL, item, item->order, item->name,
text, -1);
free(text);
format_free(ft);
}
}
static void
window_buffer_draw(__unused void *modedata, void *itemdata,
struct screen_write_ctx *ctx, u_int sx, u_int sy)
{
struct window_buffer_itemdata *item = itemdata;
struct paste_buffer *pb;
char line[1024];
const char *pdata, *end, *cp;
size_t psize, at;
u_int i, cx = ctx->s->cx, cy = ctx->s->cy;
pb = paste_get_name(item->name);
if (pb == NULL)
return;
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pdata = end = paste_buffer_data(pb, &psize);
for (i = 0; i < sy; i++) {
at = 0;
while (end != pdata + psize && *end != '\n') {
if ((sizeof line) - at > 5) {
cp = vis(line + at, *end, VIS_TAB|VIS_OCTAL, 0);
at = cp - line;
}
end++;
}
if (at > sx)
at = sx;
line[at] = '\0';
if (*line != '\0') {
screen_write_cursormove(ctx, cx, cy + i, 0);
screen_write_puts(ctx, &grid_default_cell, "%s", line);
}
if (end == pdata + psize)
break;
end++;
}
}
static int
window_buffer_search(__unused void *modedata, void *itemdata, const char *ss)
{
struct window_buffer_itemdata *item = itemdata;
struct paste_buffer *pb;
const char *bufdata;
size_t bufsize;
if ((pb = paste_get_name(item->name)) == NULL)
return (0);
if (strstr(item->name, ss) != NULL)
return (1);
bufdata = paste_buffer_data(pb, &bufsize);
return (memmem(bufdata, bufsize, ss, strlen(ss)) != NULL);
}
static void
window_buffer_menu(void *modedata, struct client *c, key_code key)
{
struct window_buffer_modedata *data = modedata;
struct window_pane *wp = data->wp;
struct window_mode_entry *wme;
wme = TAILQ_FIRST(&wp->modes);
if (wme == NULL || wme->data != modedata)
return;
window_buffer_key(wme, c, NULL, NULL, key, NULL);
}
static struct screen *
window_buffer_init(struct window_mode_entry *wme, struct cmd_find_state *fs,
struct args *args)
{
struct window_pane *wp = wme->wp;
struct window_buffer_modedata *data;
struct screen *s;
wme->data = data = xcalloc(1, sizeof *data);
data->wp = wp;
cmd_find_copy_state(&data->fs, fs);
if (args == NULL || !args_has(args, 'F'))
data->format = xstrdup(WINDOW_BUFFER_DEFAULT_FORMAT);
else
data->format = xstrdup(args_get(args, 'F'));
if (args == NULL || args->argc == 0)
data->command = xstrdup(WINDOW_BUFFER_DEFAULT_COMMAND);
else
data->command = xstrdup(args->argv[0]);
data->data = mode_tree_start(wp, args, window_buffer_build,
window_buffer_draw, window_buffer_search, window_buffer_menu, data,
window_buffer_menu_items, window_buffer_sort_list,
nitems(window_buffer_sort_list), &s);
mode_tree_zoom(data->data, args);
mode_tree_build(data->data);
mode_tree_draw(data->data);
return (s);
}
static void
window_buffer_free(struct window_mode_entry *wme)
{
struct window_buffer_modedata *data = wme->data;
u_int i;
if (data == NULL)
return;
mode_tree_free(data->data);
for (i = 0; i < data->item_size; i++)
window_buffer_free_item(data->item_list[i]);
free(data->item_list);
free(data->format);
free(data->command);
free(data);
}
static void
window_buffer_resize(struct window_mode_entry *wme, u_int sx, u_int sy)
{
struct window_buffer_modedata *data = wme->data;
mode_tree_resize(data->data, sx, sy);
}
static void
window_buffer_do_delete(void* modedata, void *itemdata,
__unused struct client *c, __unused key_code key)
{
struct window_buffer_modedata *data = modedata;
struct window_buffer_itemdata *item = itemdata;
struct paste_buffer *pb;
if (item == mode_tree_get_current(data->data))
mode_tree_down(data->data, 0);
if ((pb = paste_get_name(item->name)) != NULL)
paste_free(pb);
}
static void
window_buffer_do_paste(void* modedata, void *itemdata, struct client *c,
__unused key_code key)
{
struct window_buffer_modedata *data = modedata;
struct window_buffer_itemdata *item = itemdata;
struct paste_buffer *pb;
if ((pb = paste_get_name(item->name)) != NULL)
mode_tree_run_command(c, NULL, data->command, item->name);
}
static void
window_buffer_key(struct window_mode_entry *wme, struct client *c,
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__unused struct session *s, __unused struct winlink *wl, key_code key,
struct mouse_event *m)
{
struct window_pane *wp = wme->wp;
struct window_buffer_modedata *data = wme->data;
struct mode_tree_data *mtd = data->data;
struct window_buffer_itemdata *item;
int finished;
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finished = mode_tree_key(mtd, c, &key, m, NULL, NULL);
switch (key) {
case 'd':
item = mode_tree_get_current(mtd);
window_buffer_do_delete(data, item, c, key);
mode_tree_build(mtd);
break;
case 'D':
mode_tree_each_tagged(mtd, window_buffer_do_delete, c, key, 0);
mode_tree_build(mtd);
break;
case 'P':
mode_tree_each_tagged(mtd, window_buffer_do_paste, c, key, 0);
finished = 1;
break;
case 'p':
case '\r':
item = mode_tree_get_current(mtd);
window_buffer_do_paste(data, item, c, key);
finished = 1;
break;
}
if (finished || paste_get_top(NULL) == NULL)
window_pane_reset_mode(wp);
else {
mode_tree_draw(mtd);
wp->flags |= PANE_REDRAW;
}
}