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Annotation of src/usr.bin/tmux/cmd-resize-pane.c, Revision 1.4

1.4     ! nicm        1: /* $OpenBSD: cmd-resize-pane.c,v 1.3 2009/07/19 13:21:40 nicm Exp $ */
1.1       nicm        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]",
1.3       nicm       35:        CMD_ARG01,
                     36:        CMD_CHFLAG('D')|CMD_CHFLAG('L')|CMD_CHFLAG('R')|CMD_CHFLAG('U'),
1.1       nicm       37:        cmd_resize_pane_init,
                     38:        cmd_pane_parse,
                     39:        cmd_resize_pane_exec,
                     40:                cmd_pane_send,
                     41:        cmd_pane_recv,
                     42:        cmd_pane_free,
                     43:        cmd_pane_print
                     44: };
                     45:
                     46: void
                     47: cmd_resize_pane_init(struct cmd *self, int key)
                     48: {
                     49:        struct cmd_pane_data    *data;
                     50:
                     51:        cmd_pane_init(self, key);
                     52:        data = self->data;
                     53:
1.4     ! nicm       54:        if (key == (KEYC_UP | KEYC_CTRL))
1.3       nicm       55:                data->chflags |= CMD_CHFLAG('U');
1.4     ! nicm       56:        if (key == (KEYC_DOWN | KEYC_CTRL))
1.2       nicm       57:                data->chflags |= CMD_CHFLAG('D');
1.4     ! nicm       58:        if (key == (KEYC_LEFT | KEYC_CTRL))
1.3       nicm       59:                data->chflags |= CMD_CHFLAG('L');
1.4     ! nicm       60:        if (key == (KEYC_RIGHT | KEYC_CTRL))
1.3       nicm       61:                data->chflags |= CMD_CHFLAG('R');
1.4     ! nicm       62:
        !            63:        if (key == (KEYC_UP | KEYC_ESCAPE)) {
1.3       nicm       64:                data->chflags |= CMD_CHFLAG('U');
1.1       nicm       65:                data->arg = xstrdup("5");
1.3       nicm       66:        }
1.4     ! nicm       67:        if (key == (KEYC_DOWN | KEYC_ESCAPE)) {
1.2       nicm       68:                data->chflags |= CMD_CHFLAG('D');
1.1       nicm       69:                data->arg = xstrdup("5");
                     70:        }
1.4     ! nicm       71:        if (key == (KEYC_LEFT | KEYC_ESCAPE)) {
1.3       nicm       72:                data->chflags |= CMD_CHFLAG('L');
                     73:                data->arg = xstrdup("5");
                     74:        }
1.4     ! nicm       75:        if (key == (KEYC_RIGHT | KEYC_ESCAPE)) {
1.3       nicm       76:                data->chflags |= CMD_CHFLAG('R');
                     77:                data->arg = xstrdup("5");
                     78:        }
1.1       nicm       79: }
                     80:
                     81: int
                     82: cmd_resize_pane_exec(struct cmd *self, struct cmd_ctx *ctx)
                     83: {
                     84:        struct cmd_pane_data    *data = self->data;
                     85:        struct winlink          *wl;
                     86:        const char              *errstr;
                     87:        struct window_pane      *wp;
                     88:        u_int                    adjust;
                     89:
                     90:        if ((wl = cmd_find_window(ctx, data->target, NULL)) == NULL)
                     91:                return (-1);
                     92:        if (data->pane == -1)
                     93:                wp = wl->window->active;
                     94:        else {
                     95:                wp = window_pane_at_index(wl->window, data->pane);
                     96:                if (wp == NULL) {
                     97:                        ctx->error(ctx, "no pane: %d", data->pane);
                     98:                        return (-1);
                     99:                }
                    100:        }
                    101:
                    102:        if (data->arg == NULL)
                    103:                adjust = 1;
                    104:        else {
                    105:                adjust = strtonum(data->arg, 1, INT_MAX, &errstr);
                    106:                if (errstr != NULL) {
                    107:                        ctx->error(ctx, "adjustment %s: %s", errstr, data->arg);
                    108:                        return (-1);
                    109:                }
                    110:        }
                    111:
1.3       nicm      112:        if (data->chflags & (CMD_CHFLAG('L')|CMD_CHFLAG('R'))) {
                    113:                if (data->chflags & CMD_CHFLAG('L'))
                    114:                        adjust = -adjust;
                    115:                layout_resize_pane(wp, LAYOUT_LEFTRIGHT, adjust);
                    116:        } else {
                    117:                if (data->chflags & CMD_CHFLAG('U'))
                    118:                        adjust = -adjust;
                    119:                layout_resize_pane(wp, LAYOUT_TOPBOTTOM, adjust);
1.1       nicm      120:        }
                    121:        server_redraw_window(wl->window);
                    122:
                    123:        return (0);
                    124: }