Annotation of src/usr.bin/tmux/cmd-choose-buffer.c, Revision 1.1
1.1 ! nicm 1: /* $OpenBSD$ */
! 2:
! 3: /*
! 4: * Copyright (c) 2010 Nicholas Marriott <nicm@users.sourceforge.net>
! 5: *
! 6: * Permission to use, copy, modify, and distribute this software for any
! 7: * purpose with or without fee is hereby granted, provided that the above
! 8: * copyright notice and this permission notice appear in all copies.
! 9: *
! 10: * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
! 11: * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
! 12: * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
! 13: * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
! 14: * WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER
! 15: * IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
! 16: * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
! 17: */
! 18:
! 19: #include <sys/types.h>
! 20:
! 21: #include <ctype.h>
! 22:
! 23: #include "tmux.h"
! 24:
! 25: /*
! 26: * Enter choice mode to choose a buffer.
! 27: */
! 28:
! 29: int cmd_choose_buffer_exec(struct cmd *, struct cmd_ctx *);
! 30:
! 31: void cmd_choose_buffer_callback(void *, int);
! 32: void cmd_choose_buffer_free(void *);
! 33:
! 34: const struct cmd_entry cmd_choose_buffer_entry = {
! 35: "choose-buffer", NULL,
! 36: CMD_TARGET_WINDOW_USAGE " [template]",
! 37: CMD_ARG01, "",
! 38: cmd_target_init,
! 39: cmd_target_parse,
! 40: cmd_choose_buffer_exec,
! 41: cmd_target_free,
! 42: cmd_target_print
! 43: };
! 44:
! 45: struct cmd_choose_buffer_data {
! 46: struct client *client;
! 47: char *template;
! 48: };
! 49:
! 50: int
! 51: cmd_choose_buffer_exec(struct cmd *self, struct cmd_ctx *ctx)
! 52: {
! 53: struct cmd_target_data *data = self->data;
! 54: struct cmd_choose_buffer_data *cdata;
! 55: struct session *s;
! 56: struct winlink *wl;
! 57: struct paste_buffer *pb;
! 58: u_int idx;
! 59: char *tmp;
! 60:
! 61: if (ctx->curclient == NULL) {
! 62: ctx->error(ctx, "must be run interactively");
! 63: return (-1);
! 64: }
! 65: s = ctx->curclient->session;
! 66:
! 67: if ((wl = cmd_find_window(ctx, data->target, NULL)) == NULL)
! 68: return (-1);
! 69:
! 70: if (paste_get_top(&s->buffers) == NULL)
! 71: return (0);
! 72:
! 73: if (window_pane_set_mode(wl->window->active, &window_choose_mode) != 0)
! 74: return (0);
! 75:
! 76: idx = 0;
! 77: while ((pb = paste_walk_stack(&s->buffers, &idx)) != NULL) {
! 78: tmp = paste_print(pb, 50);
! 79: window_choose_add(wl->window->active, idx - 1,
! 80: "%u: %zu bytes: \"%s\"", idx - 1, pb->size, tmp);
! 81: xfree(tmp);
! 82: }
! 83:
! 84: cdata = xmalloc(sizeof *cdata);
! 85: if (data->arg != NULL)
! 86: cdata->template = xstrdup(data->arg);
! 87: else
! 88: cdata->template = xstrdup("paste-buffer -b '%%'");
! 89: cdata->client = ctx->curclient;
! 90: cdata->client->references++;
! 91:
! 92: window_choose_ready(wl->window->active,
! 93: 0, cmd_choose_buffer_callback, cmd_choose_buffer_free, cdata);
! 94:
! 95: return (0);
! 96: }
! 97:
! 98: void
! 99: cmd_choose_buffer_callback(void *data, int idx)
! 100: {
! 101: struct cmd_choose_buffer_data *cdata = data;
! 102: struct cmd_list *cmdlist;
! 103: struct cmd_ctx ctx;
! 104: char *template, *cause, tmp[16];
! 105:
! 106: if (idx == -1)
! 107: return;
! 108: if (cdata->client->flags & CLIENT_DEAD)
! 109: return;
! 110:
! 111: xsnprintf(tmp, sizeof tmp, "%u", idx);
! 112: template = cmd_template_replace(cdata->template, tmp, 1);
! 113:
! 114: if (cmd_string_parse(template, &cmdlist, &cause) != 0) {
! 115: if (cause != NULL) {
! 116: *cause = toupper((u_char) *cause);
! 117: status_message_set(cdata->client, "%s", cause);
! 118: xfree(cause);
! 119: }
! 120: xfree(template);
! 121: return;
! 122: }
! 123: xfree(template);
! 124:
! 125: ctx.msgdata = NULL;
! 126: ctx.curclient = cdata->client;
! 127:
! 128: ctx.error = key_bindings_error;
! 129: ctx.print = key_bindings_print;
! 130: ctx.info = key_bindings_info;
! 131:
! 132: ctx.cmdclient = NULL;
! 133:
! 134: cmd_list_exec(cmdlist, &ctx);
! 135: cmd_list_free(cmdlist);
! 136: }
! 137:
! 138: void
! 139: cmd_choose_buffer_free(void *data)
! 140: {
! 141: struct cmd_choose_buffer_data *cdata = data;
! 142:
! 143: cdata->client->references--;
! 144: xfree(cdata->template);
! 145: xfree(cdata);
! 146: }