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Annotation of src/usr.bin/tmux/cmd-resize-pane.c, Revision 1.1

1.1     ! nicm        1: /* $OpenBSD$ */
        !             2:
        !             3: /*
        !             4:  * Copyright (c) 2009 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 <stdlib.h>
        !            22:
        !            23: #include "tmux.h"
        !            24:
        !            25: /*
        !            26:  * Increase or decrease pane size.
        !            27:  */
        !            28:
        !            29: void   cmd_resize_pane_init(struct cmd *, int);
        !            30: int    cmd_resize_pane_exec(struct cmd *, struct cmd_ctx *);
        !            31:
        !            32: const struct cmd_entry cmd_resize_pane_entry = {
        !            33:        "resize-pane", "resizep",
        !            34:        CMD_PANE_WINDOW_USAGE "[-DU] [adjustment]",
        !            35:        CMD_ARG01|CMD_BIGUFLAG|CMD_BIGDFLAG,
        !            36:        cmd_resize_pane_init,
        !            37:        cmd_pane_parse,
        !            38:        cmd_resize_pane_exec,
        !            39:                cmd_pane_send,
        !            40:        cmd_pane_recv,
        !            41:        cmd_pane_free,
        !            42:        cmd_pane_print
        !            43: };
        !            44:
        !            45: void
        !            46: cmd_resize_pane_init(struct cmd *self, int key)
        !            47: {
        !            48:        struct cmd_pane_data    *data;
        !            49:
        !            50:        cmd_pane_init(self, key);
        !            51:        data = self->data;
        !            52:
        !            53:        if (key == KEYC_ADDCTL(KEYC_DOWN))
        !            54:                data->flags |= CMD_BIGDFLAG;
        !            55:
        !            56:        if (key == KEYC_ADDESC(KEYC_UP))
        !            57:                data->arg = xstrdup("5");
        !            58:        if (key == KEYC_ADDESC(KEYC_DOWN)) {
        !            59:                data->flags |= CMD_BIGDFLAG;
        !            60:                data->arg = xstrdup("5");
        !            61:        }
        !            62: }
        !            63:
        !            64: int
        !            65: cmd_resize_pane_exec(struct cmd *self, struct cmd_ctx *ctx)
        !            66: {
        !            67:        struct cmd_pane_data    *data = self->data;
        !            68:        struct winlink          *wl;
        !            69:        const char              *errstr;
        !            70:        struct window_pane      *wp;
        !            71:        u_int                    adjust;
        !            72:
        !            73:        if ((wl = cmd_find_window(ctx, data->target, NULL)) == NULL)
        !            74:                return (-1);
        !            75:        if (data->pane == -1)
        !            76:                wp = wl->window->active;
        !            77:        else {
        !            78:                wp = window_pane_at_index(wl->window, data->pane);
        !            79:                if (wp == NULL) {
        !            80:                        ctx->error(ctx, "no pane: %d", data->pane);
        !            81:                        return (-1);
        !            82:                }
        !            83:        }
        !            84:
        !            85:        if (data->arg == NULL)
        !            86:                adjust = 1;
        !            87:        else {
        !            88:                adjust = strtonum(data->arg, 1, INT_MAX, &errstr);
        !            89:                if (errstr != NULL) {
        !            90:                        ctx->error(ctx, "adjustment %s: %s", errstr, data->arg);
        !            91:                        return (-1);
        !            92:                }
        !            93:        }
        !            94:
        !            95:        if (!(data->flags & CMD_BIGDFLAG))
        !            96:                adjust = -adjust;
        !            97:        if (layout_resize(wp, adjust) != 0) {
        !            98:                ctx->error(ctx, "layout %s "
        !            99:                    "does not support resizing", layout_name(wp->window));
        !           100:                return (-1);
        !           101:        }
        !           102:        server_redraw_window(wl->window);
        !           103:
        !           104:        return (0);
        !           105: }