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Annotation of src/usr.bin/tmux/cmd-join-pane.c, Revision 1.21

1.21    ! nicm        1: /* $OpenBSD: cmd-join-pane.c,v 1.20 2015/12/13 14:32:38 nicm Exp $ */
1.1       nicm        2:
                      3: /*
1.8       nicm        4:  * Copyright (c) 2011 George Nachman <tmux@georgester.com>
1.1       nicm        5:  * Copyright (c) 2009 Nicholas Marriott <nicm@users.sourceforge.net>
                      6:  *
                      7:  * Permission to use, copy, modify, and distribute this software for any
                      8:  * purpose with or without fee is hereby granted, provided that the above
                      9:  * copyright notice and this permission notice appear in all copies.
                     10:  *
                     11:  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
                     12:  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
                     13:  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
                     14:  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
                     15:  * WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER
                     16:  * IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
                     17:  * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
                     18:  */
                     19:
                     20: #include <sys/types.h>
                     21:
                     22: #include <paths.h>
                     23: #include <stdlib.h>
                     24: #include <unistd.h>
                     25:
                     26: #include "tmux.h"
                     27:
                     28: /*
1.8       nicm       29:  * Join or move a pane into another (like split/swap/kill).
1.1       nicm       30:  */
                     31:
1.13      nicm       32: enum cmd_retval         cmd_join_pane_exec(struct cmd *, struct cmd_q *);
1.1       nicm       33:
1.13      nicm       34: enum cmd_retval         join_pane(struct cmd *, struct cmd_q *, int);
1.8       nicm       35:
1.1       nicm       36: const struct cmd_entry cmd_join_pane_entry = {
1.21    ! nicm       37:        .name = "join-pane",
        !            38:        .alias = "joinp",
        !            39:
        !            40:        .args = { "bdhvp:l:s:t:", 0, 0 },
        !            41:        .usage = "[-bdhv] [-p percentage|-l size] " CMD_SRCDST_PANE_USAGE,
        !            42:
        !            43:        .flags = CMD_PANE_MARKED_S|CMD_PANE_T,
        !            44:        .exec = cmd_join_pane_exec
1.1       nicm       45: };
                     46:
1.8       nicm       47: const struct cmd_entry cmd_move_pane_entry = {
1.21    ! nicm       48:        .name = "move-pane",
        !            49:        .alias = "movep",
        !            50:
        !            51:        .args = { "bdhvp:l:s:t:", 0, 0 },
        !            52:        .usage = "[-bdhv] [-p percentage|-l size] " CMD_SRCDST_PANE_USAGE,
        !            53:
        !            54:        .flags = CMD_PANE_S|CMD_PANE_T,
        !            55:        .exec = cmd_join_pane_exec
1.8       nicm       56: };
1.1       nicm       57:
1.12      nicm       58: enum cmd_retval
1.13      nicm       59: cmd_join_pane_exec(struct cmd *self, struct cmd_q *cmdq)
1.1       nicm       60: {
1.13      nicm       61:        return (join_pane(self, cmdq, self->entry == &cmd_join_pane_entry));
1.8       nicm       62: }
                     63:
1.12      nicm       64: enum cmd_retval
1.13      nicm       65: join_pane(struct cmd *self, struct cmd_q *cmdq, int not_same_window)
1.8       nicm       66: {
1.5       nicm       67:        struct args             *args = self->args;
                     68:        struct session          *dst_s;
                     69:        struct winlink          *src_wl, *dst_wl;
                     70:        struct window           *src_w, *dst_w;
                     71:        struct window_pane      *src_wp, *dst_wp;
                     72:        char                    *cause;
                     73:        int                      size, percentage, dst_idx;
                     74:        enum layout_type         type;
                     75:        struct layout_cell      *lc;
1.1       nicm       76:
1.20      nicm       77:        dst_s = cmdq->state.tflag.s;
                     78:        dst_wl = cmdq->state.tflag.wl;
                     79:        dst_wp = cmdq->state.tflag.wp;
1.1       nicm       80:        dst_w = dst_wl->window;
1.3       nicm       81:        dst_idx = dst_wl->idx;
1.14      nicm       82:        server_unzoom_window(dst_w);
1.1       nicm       83:
1.20      nicm       84:        src_wl = cmdq->state.sflag.wl;
                     85:        src_wp = cmdq->state.sflag.wp;
1.1       nicm       86:        src_w = src_wl->window;
1.14      nicm       87:        server_unzoom_window(src_w);
1.1       nicm       88:
1.8       nicm       89:        if (not_same_window && src_w == dst_w) {
1.13      nicm       90:                cmdq_error(cmdq, "can't join a pane to its own window");
1.12      nicm       91:                return (CMD_RETURN_ERROR);
1.1       nicm       92:        }
1.8       nicm       93:        if (!not_same_window && src_wp == dst_wp) {
1.13      nicm       94:                cmdq_error(cmdq, "source and target panes must be different");
1.12      nicm       95:                return (CMD_RETURN_ERROR);
1.8       nicm       96:        }
1.1       nicm       97:
                     98:        type = LAYOUT_TOPBOTTOM;
1.5       nicm       99:        if (args_has(args, 'h'))
1.1       nicm      100:                type = LAYOUT_LEFTRIGHT;
                    101:
                    102:        size = -1;
1.6       nicm      103:        if (args_has(args, 'l')) {
                    104:                size = args_strtonum(args, 'l', 0, INT_MAX, &cause);
1.5       nicm      105:                if (cause != NULL) {
1.13      nicm      106:                        cmdq_error(cmdq, "size %s", cause);
1.11      nicm      107:                        free(cause);
1.12      nicm      108:                        return (CMD_RETURN_ERROR);
1.5       nicm      109:                }
                    110:        } else if (args_has(args, 'p')) {
1.7       nicm      111:                percentage = args_strtonum(args, 'p', 0, 100, &cause);
1.5       nicm      112:                if (cause != NULL) {
1.13      nicm      113:                        cmdq_error(cmdq, "percentage %s", cause);
1.11      nicm      114:                        free(cause);
1.12      nicm      115:                        return (CMD_RETURN_ERROR);
1.5       nicm      116:                }
1.1       nicm      117:                if (type == LAYOUT_TOPBOTTOM)
1.5       nicm      118:                        size = (dst_wp->sy * percentage) / 100;
1.1       nicm      119:                else
1.5       nicm      120:                        size = (dst_wp->sx * percentage) / 100;
1.1       nicm      121:        }
1.8       nicm      122:        lc = layout_split_pane(dst_wp, type, size, args_has(args, 'b'));
                    123:        if (lc == NULL) {
1.13      nicm      124:                cmdq_error(cmdq, "create pane failed: pane too small");
1.12      nicm      125:                return (CMD_RETURN_ERROR);
1.1       nicm      126:        }
                    127:
                    128:        layout_close_pane(src_wp);
                    129:
1.16      nicm      130:        window_lost_pane(src_w, src_wp);
1.1       nicm      131:        TAILQ_REMOVE(&src_w->panes, src_wp, entry);
                    132:
                    133:        if (window_count_panes(src_w) == 0)
                    134:                server_kill_window(src_w);
1.9       nicm      135:        else
                    136:                notify_window_layout_changed(src_w);
1.1       nicm      137:
                    138:        src_wp->window = dst_w;
                    139:        TAILQ_INSERT_AFTER(&dst_w->panes, dst_wp, src_wp, entry);
                    140:        layout_assign_pane(lc, src_wp);
                    141:
                    142:        recalculate_sizes();
                    143:
                    144:        server_redraw_window(src_w);
                    145:        server_redraw_window(dst_w);
                    146:
1.5       nicm      147:        if (!args_has(args, 'd')) {
1.1       nicm      148:                window_set_active_pane(dst_w, src_wp);
1.3       nicm      149:                session_select(dst_s, dst_idx);
1.1       nicm      150:                server_redraw_session(dst_s);
                    151:        } else
                    152:                server_status_session(dst_s);
                    153:
1.9       nicm      154:        notify_window_layout_changed(dst_w);
1.12      nicm      155:        return (CMD_RETURN_NORMAL);
1.1       nicm      156: }