1*0ad0daf4Snicm /* $OpenBSD: cmd-resize-pane.c,v 1.53 2024/03/21 11:30:42 nicm Exp $ */
2311827fbSnicm
3311827fbSnicm /*
498ca8272Snicm * Copyright (c) 2009 Nicholas Marriott <nicholas.marriott@gmail.com>
5311827fbSnicm *
6311827fbSnicm * Permission to use, copy, modify, and distribute this software for any
7311827fbSnicm * purpose with or without fee is hereby granted, provided that the above
8311827fbSnicm * copyright notice and this permission notice appear in all copies.
9311827fbSnicm *
10311827fbSnicm * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
11311827fbSnicm * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
12311827fbSnicm * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
13311827fbSnicm * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
14311827fbSnicm * WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER
15311827fbSnicm * IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
16311827fbSnicm * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
17311827fbSnicm */
18311827fbSnicm
19311827fbSnicm #include <sys/types.h>
20311827fbSnicm
21311827fbSnicm #include <stdlib.h>
2228988ef6Snicm #include <string.h>
23311827fbSnicm
24311827fbSnicm #include "tmux.h"
25311827fbSnicm
26311827fbSnicm /*
27311827fbSnicm * Increase or decrease pane size.
28311827fbSnicm */
29311827fbSnicm
3068e0a7f2Snicm static enum cmd_retval cmd_resize_pane_exec(struct cmd *, struct cmdq_item *);
31311827fbSnicm
32dc1f0f5fSnicm static void cmd_resize_pane_mouse_update(struct client *,
33dc1f0f5fSnicm struct mouse_event *);
34e048bb79Snicm
35311827fbSnicm const struct cmd_entry cmd_resize_pane_entry = {
36c057646bSnicm .name = "resize-pane",
37c057646bSnicm .alias = "resizep",
38c057646bSnicm
39a51dead1Snicm .args = { "DLMRTt:Ux:y:Z", 0, 1, NULL },
40a0a1bba7Snicm .usage = "[-DLMRTUZ] [-x width] [-y height] " CMD_TARGET_PANE_USAGE " "
41c057646bSnicm "[adjustment]",
42c057646bSnicm
43bf0d297eSnicm .target = { 't', CMD_FIND_PANE, 0 },
448d471e80Snicm
457a61a8ddSnicm .flags = CMD_AFTERHOOK,
46c057646bSnicm .exec = cmd_resize_pane_exec
47311827fbSnicm };
48311827fbSnicm
49dc1f0f5fSnicm static enum cmd_retval
cmd_resize_pane_exec(struct cmd * self,struct cmdq_item * item)5068e0a7f2Snicm cmd_resize_pane_exec(struct cmd *self, struct cmdq_item *item)
51311827fbSnicm {
5290d7ba38Snicm struct args *args = cmd_get_args(self);
53040343aeSnicm struct cmd_find_state *target = cmdq_get_target(item);
54823b6d6dSnicm struct key_event *event = cmdq_get_event(item);
55040343aeSnicm struct window_pane *wp = target->wp;
56040343aeSnicm struct winlink *wl = target->wl;
573447b427Snicm struct window *w = wl->window;
58040343aeSnicm struct client *c = cmdq_get_client(item);
59040343aeSnicm struct session *s = target->s;
6094300b02Snicm const char *errstr;
6194300b02Snicm char *cause;
62311827fbSnicm u_int adjust;
63d10ca571Snicm int x, y, status;
64a0a1bba7Snicm struct grid *gd = wp->base.grid;
65a0a1bba7Snicm
66a0a1bba7Snicm if (args_has(args, 'T')) {
67a0a1bba7Snicm if (!TAILQ_EMPTY(&wp->modes))
68a0a1bba7Snicm return (CMD_RETURN_NORMAL);
69a0a1bba7Snicm adjust = screen_size_y(&wp->base) - 1 - wp->base.cy;
70a0a1bba7Snicm if (adjust > gd->hsize)
71a0a1bba7Snicm adjust = gd->hsize;
72a0a1bba7Snicm grid_remove_history(gd, adjust);
73a0a1bba7Snicm wp->base.cy += adjust;
74a0a1bba7Snicm wp->flags |= PANE_REDRAW;
75a0a1bba7Snicm return (CMD_RETURN_NORMAL);
76a0a1bba7Snicm }
77311827fbSnicm
78e048bb79Snicm if (args_has(args, 'M')) {
79823b6d6dSnicm if (!event->m.valid || cmd_mouse_window(&event->m, &s) == NULL)
80e048bb79Snicm return (CMD_RETURN_NORMAL);
81e048bb79Snicm if (c == NULL || c->session != s)
82e048bb79Snicm return (CMD_RETURN_NORMAL);
83e048bb79Snicm c->tty.mouse_drag_update = cmd_resize_pane_mouse_update;
84823b6d6dSnicm cmd_resize_pane_mouse_update(c, &event->m);
85e048bb79Snicm return (CMD_RETURN_NORMAL);
86e048bb79Snicm }
87e048bb79Snicm
88b4a3311eSnicm if (args_has(args, 'Z')) {
89b4a3311eSnicm if (w->flags & WINDOW_ZOOMED)
90*0ad0daf4Snicm window_unzoom(w, 1);
91b4a3311eSnicm else
92b4a3311eSnicm window_zoom(wp);
93b4a3311eSnicm server_redraw_window(w);
94b4a3311eSnicm return (CMD_RETURN_NORMAL);
95b4a3311eSnicm }
96b4a3311eSnicm server_unzoom_window(w);
97311827fbSnicm
981693b10bSnicm if (args_count(args) == 0)
99311827fbSnicm adjust = 1;
100311827fbSnicm else {
101825f884aSnicm adjust = strtonum(args_string(args, 0), 1, INT_MAX, &errstr);
102311827fbSnicm if (errstr != NULL) {
10368e0a7f2Snicm cmdq_error(item, "adjustment %s", errstr);
104a224d0d3Snicm return (CMD_RETURN_ERROR);
105311827fbSnicm }
106311827fbSnicm }
107311827fbSnicm
10894300b02Snicm if (args_has(args, 'x')) {
10994300b02Snicm x = args_percentage(args, 'x', 0, INT_MAX, w->sx, &cause);
1103cfcdd36Snicm if (cause != NULL) {
11168e0a7f2Snicm cmdq_error(item, "width %s", cause);
1123cfcdd36Snicm free(cause);
1133cfcdd36Snicm return (CMD_RETURN_ERROR);
1143cfcdd36Snicm }
1153cfcdd36Snicm layout_resize_pane_to(wp, LAYOUT_LEFTRIGHT, x);
1163cfcdd36Snicm }
11794300b02Snicm if (args_has(args, 'y')) {
11894300b02Snicm y = args_percentage(args, 'y', 0, INT_MAX, w->sy, &cause);
1193cfcdd36Snicm if (cause != NULL) {
120c4b5b9d7Snicm cmdq_error(item, "height %s", cause);
1213cfcdd36Snicm free(cause);
1223cfcdd36Snicm return (CMD_RETURN_ERROR);
1233cfcdd36Snicm }
124d10ca571Snicm status = options_get_number(w->options, "pane-border-status");
125d10ca571Snicm switch (status) {
126d10ca571Snicm case PANE_STATUS_TOP:
127d10ca571Snicm if (y != INT_MAX && wp->yoff == 1)
128d10ca571Snicm y++;
129d10ca571Snicm break;
130d10ca571Snicm case PANE_STATUS_BOTTOM:
131d10ca571Snicm if (y != INT_MAX && wp->yoff + wp->sy == w->sy - 1)
132d10ca571Snicm y++;
133d10ca571Snicm break;
134d10ca571Snicm }
1353cfcdd36Snicm layout_resize_pane_to(wp, LAYOUT_TOPBOTTOM, y);
1363cfcdd36Snicm }
1373cfcdd36Snicm
13884cde37cSnicm if (args_has(args, 'L'))
139f4d5873aSnicm layout_resize_pane(wp, LAYOUT_LEFTRIGHT, -adjust, 1);
14084cde37cSnicm else if (args_has(args, 'R'))
141f4d5873aSnicm layout_resize_pane(wp, LAYOUT_LEFTRIGHT, adjust, 1);
14284cde37cSnicm else if (args_has(args, 'U'))
143f4d5873aSnicm layout_resize_pane(wp, LAYOUT_TOPBOTTOM, -adjust, 1);
14484cde37cSnicm else if (args_has(args, 'D'))
145f4d5873aSnicm layout_resize_pane(wp, LAYOUT_TOPBOTTOM, adjust, 1);
146311827fbSnicm server_redraw_window(wl->window);
147311827fbSnicm
148a224d0d3Snicm return (CMD_RETURN_NORMAL);
149311827fbSnicm }
150e048bb79Snicm
151dc1f0f5fSnicm static void
cmd_resize_pane_mouse_update(struct client * c,struct mouse_event * m)152e048bb79Snicm cmd_resize_pane_mouse_update(struct client *c, struct mouse_event *m)
153e048bb79Snicm {
154e048bb79Snicm struct winlink *wl;
1553d1607c5Snicm struct window *w;
1563d1607c5Snicm u_int y, ly, x, lx;
157075e946bSnicm static const int offsets[][2] = {
1585002ba47Snicm { 0, 0 }, { 0, 1 }, { 1, 0 }, { 0, -1 }, { -1, 0 },
1595002ba47Snicm };
160075e946bSnicm struct layout_cell *cells[nitems(offsets)], *lc;
161075e946bSnicm u_int ncells = 0, i, j, resizes = 0;
162075e946bSnicm enum layout_type type;
163e048bb79Snicm
164e048bb79Snicm wl = cmd_mouse_window(m, NULL);
165e048bb79Snicm if (wl == NULL) {
166e048bb79Snicm c->tty.mouse_drag_update = NULL;
167e048bb79Snicm return;
168e048bb79Snicm }
1693d1607c5Snicm w = wl->window;
170e048bb79Snicm
171a489e4deSnicm y = m->y + m->oy; x = m->x + m->ox;
1723cedae0cSnicm if (m->statusat == 0 && y >= m->statuslines)
1733cedae0cSnicm y -= m->statuslines;
174e048bb79Snicm else if (m->statusat > 0 && y >= (u_int)m->statusat)
175e048bb79Snicm y = m->statusat - 1;
176c7de2738Snicm ly = m->ly + m->oy; lx = m->lx + m->ox;
1773cedae0cSnicm if (m->statusat == 0 && ly >= m->statuslines)
1783cedae0cSnicm ly -= m->statuslines;
179e048bb79Snicm else if (m->statusat > 0 && ly >= (u_int)m->statusat)
180e048bb79Snicm ly = m->statusat - 1;
181e048bb79Snicm
1825002ba47Snicm for (i = 0; i < nitems(cells); i++) {
1835002ba47Snicm lc = layout_search_by_border(w->layout_root, lx + offsets[i][0],
1845002ba47Snicm ly + offsets[i][1]);
1853d1607c5Snicm if (lc == NULL)
1865002ba47Snicm continue;
1875002ba47Snicm
1885002ba47Snicm for (j = 0; j < ncells; j++) {
1895002ba47Snicm if (cells[j] == lc) {
1905002ba47Snicm lc = NULL;
1915002ba47Snicm break;
1925002ba47Snicm }
1935002ba47Snicm }
1945002ba47Snicm if (lc == NULL)
1955002ba47Snicm continue;
1965002ba47Snicm
1975002ba47Snicm cells[ncells] = lc;
1985002ba47Snicm ncells++;
1995002ba47Snicm }
2005002ba47Snicm if (ncells == 0)
2018019ca0bSnicm return;
2023d1607c5Snicm
2035002ba47Snicm for (i = 0; i < ncells; i++) {
2045002ba47Snicm type = cells[i]->parent->type;
2055002ba47Snicm if (y != ly && type == LAYOUT_TOPBOTTOM) {
2065002ba47Snicm layout_resize_layout(w, cells[i], type, y - ly, 0);
2075002ba47Snicm resizes++;
2085002ba47Snicm } else if (x != lx && type == LAYOUT_LEFTRIGHT) {
2095002ba47Snicm layout_resize_layout(w, cells[i], type, x - lx, 0);
2105002ba47Snicm resizes++;
2115002ba47Snicm }
2125002ba47Snicm }
2135002ba47Snicm if (resizes != 0)
2143d1607c5Snicm server_redraw_window(w);
215e048bb79Snicm }
216