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Annotation of embedaddon/tmux/cmd-join-pane.c, revision 1.1.1.1

1.1       misho       1: /* $OpenBSD$ */
                      2: 
                      3: /*
                      4:  * Copyright (c) 2011 George Nachman <tmux@georgester.com>
                      5:  * Copyright (c) 2009 Nicholas Marriott <nicholas.marriott@gmail.com>
                      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 <stdlib.h>
                     23: #include <unistd.h>
                     24: 
                     25: #include "tmux.h"
                     26: 
                     27: /*
                     28:  * Join or move a pane into another (like split/swap/kill).
                     29:  */
                     30: 
                     31: static enum cmd_retval cmd_join_pane_exec(struct cmd *, struct cmdq_item *);
                     32: 
                     33: const struct cmd_entry cmd_join_pane_entry = {
                     34:        .name = "join-pane",
                     35:        .alias = "joinp",
                     36: 
                     37:        .args = { "bdhvp:l:s:t:", 0, 0 },
                     38:        .usage = "[-bdhv] [-p percentage|-l size] " CMD_SRCDST_PANE_USAGE,
                     39: 
                     40:        .sflag = CMD_PANE_MARKED,
                     41:        .tflag = CMD_PANE,
                     42: 
                     43:        .flags = 0,
                     44:        .exec = cmd_join_pane_exec
                     45: };
                     46: 
                     47: const struct cmd_entry cmd_move_pane_entry = {
                     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:        .sflag = CMD_PANE,
                     55:        .tflag = CMD_PANE,
                     56: 
                     57:        .flags = 0,
                     58:        .exec = cmd_join_pane_exec
                     59: };
                     60: 
                     61: static enum cmd_retval
                     62: cmd_join_pane_exec(struct cmd *self, struct cmdq_item *item)
                     63: {
                     64:        struct args             *args = self->args;
                     65:        struct session          *dst_s;
                     66:        struct winlink          *src_wl, *dst_wl;
                     67:        struct window           *src_w, *dst_w;
                     68:        struct window_pane      *src_wp, *dst_wp;
                     69:        char                    *cause;
                     70:        int                      size, percentage, dst_idx;
                     71:        enum layout_type         type;
                     72:        struct layout_cell      *lc;
                     73:        int                      not_same_window;
                     74: 
                     75:        if (self->entry == &cmd_join_pane_entry)
                     76:                not_same_window = 1;
                     77:        else
                     78:                not_same_window = 0;
                     79: 
                     80:        dst_s = item->state.tflag.s;
                     81:        dst_wl = item->state.tflag.wl;
                     82:        dst_wp = item->state.tflag.wp;
                     83:        dst_w = dst_wl->window;
                     84:        dst_idx = dst_wl->idx;
                     85:        server_unzoom_window(dst_w);
                     86: 
                     87:        src_wl = item->state.sflag.wl;
                     88:        src_wp = item->state.sflag.wp;
                     89:        src_w = src_wl->window;
                     90:        server_unzoom_window(src_w);
                     91: 
                     92:        if (not_same_window && src_w == dst_w) {
                     93:                cmdq_error(item, "can't join a pane to its own window");
                     94:                return (CMD_RETURN_ERROR);
                     95:        }
                     96:        if (!not_same_window && src_wp == dst_wp) {
                     97:                cmdq_error(item, "source and target panes must be different");
                     98:                return (CMD_RETURN_ERROR);
                     99:        }
                    100: 
                    101:        type = LAYOUT_TOPBOTTOM;
                    102:        if (args_has(args, 'h'))
                    103:                type = LAYOUT_LEFTRIGHT;
                    104: 
                    105:        size = -1;
                    106:        if (args_has(args, 'l')) {
                    107:                size = args_strtonum(args, 'l', 0, INT_MAX, &cause);
                    108:                if (cause != NULL) {
                    109:                        cmdq_error(item, "size %s", cause);
                    110:                        free(cause);
                    111:                        return (CMD_RETURN_ERROR);
                    112:                }
                    113:        } else if (args_has(args, 'p')) {
                    114:                percentage = args_strtonum(args, 'p', 0, 100, &cause);
                    115:                if (cause != NULL) {
                    116:                        cmdq_error(item, "percentage %s", cause);
                    117:                        free(cause);
                    118:                        return (CMD_RETURN_ERROR);
                    119:                }
                    120:                if (type == LAYOUT_TOPBOTTOM)
                    121:                        size = (dst_wp->sy * percentage) / 100;
                    122:                else
                    123:                        size = (dst_wp->sx * percentage) / 100;
                    124:        }
                    125:        lc = layout_split_pane(dst_wp, type, size, args_has(args, 'b'), 0);
                    126:        if (lc == NULL) {
                    127:                cmdq_error(item, "create pane failed: pane too small");
                    128:                return (CMD_RETURN_ERROR);
                    129:        }
                    130: 
                    131:        layout_close_pane(src_wp);
                    132: 
                    133:        window_lost_pane(src_w, src_wp);
                    134:        TAILQ_REMOVE(&src_w->panes, src_wp, entry);
                    135: 
                    136:        src_wp->window = dst_w;
                    137:        TAILQ_INSERT_AFTER(&dst_w->panes, dst_wp, src_wp, entry);
                    138:        layout_assign_pane(lc, src_wp);
                    139: 
                    140:        recalculate_sizes();
                    141: 
                    142:        server_redraw_window(src_w);
                    143:        server_redraw_window(dst_w);
                    144: 
                    145:        if (!args_has(args, 'd')) {
                    146:                window_set_active_pane(dst_w, src_wp);
                    147:                session_select(dst_s, dst_idx);
                    148:                server_redraw_session(dst_s);
                    149:        } else
                    150:                server_status_session(dst_s);
                    151: 
                    152:        if (window_count_panes(src_w) == 0)
                    153:                server_kill_window(src_w);
                    154:        else
                    155:                notify_window("window-layout-changed", src_w);
                    156:        notify_window("window-layout-changed", dst_w);
                    157: 
                    158:        return (CMD_RETURN_NORMAL);
                    159: }