Annotation of src/usr.bin/tmux/cmd-resize-pane.c, Revision 1.40
1.40 ! nicm 1: /* $OpenBSD: cmd-resize-pane.c,v 1.39 2019/10/15 08:25:37 nicm Exp $ */
1.1 nicm 2:
3: /*
1.22 nicm 4: * Copyright (c) 2009 Nicholas Marriott <nicholas.marriott@gmail.com>
1.1 nicm 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>
1.39 nicm 22: #include <string.h>
1.1 nicm 23:
24: #include "tmux.h"
25:
26: /*
27: * Increase or decrease pane size.
28: */
29:
1.28 nicm 30: static enum cmd_retval cmd_resize_pane_exec(struct cmd *, struct cmdq_item *);
1.1 nicm 31:
1.25 nicm 32: static void cmd_resize_pane_mouse_update(struct client *,
33: struct mouse_event *);
1.18 nicm 34:
1.1 nicm 35: const struct cmd_entry cmd_resize_pane_entry = {
1.20 nicm 36: .name = "resize-pane",
37: .alias = "resizep",
38:
39: .args = { "DLMRt:Ux:y:Z", 0, 1 },
40: .usage = "[-DLMRUZ] [-x width] [-y height] " CMD_TARGET_PANE_USAGE " "
41: "[adjustment]",
42:
1.30 nicm 43: .target = { 't', CMD_FIND_PANE, 0 },
1.21 nicm 44:
1.26 nicm 45: .flags = CMD_AFTERHOOK,
1.20 nicm 46: .exec = cmd_resize_pane_exec
1.1 nicm 47: };
48:
1.25 nicm 49: static enum cmd_retval
1.28 nicm 50: cmd_resize_pane_exec(struct cmd *self, struct cmdq_item *item)
1.1 nicm 51: {
1.9 nicm 52: struct args *args = self->args;
1.29 nicm 53: struct cmdq_shared *shared = item->shared;
1.30 nicm 54: struct window_pane *wp = item->target.wp;
55: struct winlink *wl = item->target.wl;
1.19 nicm 56: struct window *w = wl->window;
1.28 nicm 57: struct client *c = item->client;
1.30 nicm 58: struct session *s = item->target.s;
1.40 ! nicm 59: const char *errstr;
! 60: char *cause;
1.1 nicm 61: u_int adjust;
1.40 ! nicm 62: int x, y;
1.1 nicm 63:
1.18 nicm 64: if (args_has(args, 'M')) {
1.29 nicm 65: if (cmd_mouse_window(&shared->mouse, &s) == NULL)
1.18 nicm 66: return (CMD_RETURN_NORMAL);
67: if (c == NULL || c->session != s)
68: return (CMD_RETURN_NORMAL);
69: c->tty.mouse_drag_update = cmd_resize_pane_mouse_update;
1.29 nicm 70: cmd_resize_pane_mouse_update(c, &shared->mouse);
1.18 nicm 71: return (CMD_RETURN_NORMAL);
72: }
73:
1.15 nicm 74: if (args_has(args, 'Z')) {
75: if (w->flags & WINDOW_ZOOMED)
76: window_unzoom(w);
77: else
78: window_zoom(wp);
79: server_redraw_window(w);
80: server_status_window(w);
81: return (CMD_RETURN_NORMAL);
82: }
83: server_unzoom_window(w);
1.1 nicm 84:
1.9 nicm 85: if (args->argc == 0)
1.1 nicm 86: adjust = 1;
87: else {
1.9 nicm 88: adjust = strtonum(args->argv[0], 1, INT_MAX, &errstr);
1.1 nicm 89: if (errstr != NULL) {
1.28 nicm 90: cmdq_error(item, "adjustment %s", errstr);
1.11 nicm 91: return (CMD_RETURN_ERROR);
1.1 nicm 92: }
1.13 nicm 93: }
94:
1.40 ! nicm 95: if (args_has(args, 'x')) {
! 96: x = args_percentage(args, 'x', 0, INT_MAX, w->sx, &cause);
! 97: if (cause != NULL) {
! 98: cmdq_error(item, "width %s", cause);
! 99: free(cause);
! 100: return (CMD_RETURN_ERROR);
1.13 nicm 101: }
102: layout_resize_pane_to(wp, LAYOUT_LEFTRIGHT, x);
103: }
1.40 ! nicm 104: if (args_has(args, 'y')) {
! 105: y = args_percentage(args, 'y', 0, INT_MAX, w->sy, &cause);
! 106: if (cause != NULL) {
! 107: cmdq_error(item, "width %s", cause);
! 108: free(cause);
! 109: return (CMD_RETURN_ERROR);
1.13 nicm 110: }
111: layout_resize_pane_to(wp, LAYOUT_TOPBOTTOM, y);
1.1 nicm 112: }
113:
1.35 nicm 114: if (args_has(args, 'L'))
1.24 nicm 115: layout_resize_pane(wp, LAYOUT_LEFTRIGHT, -adjust, 1);
1.35 nicm 116: else if (args_has(args, 'R'))
1.24 nicm 117: layout_resize_pane(wp, LAYOUT_LEFTRIGHT, adjust, 1);
1.35 nicm 118: else if (args_has(args, 'U'))
1.24 nicm 119: layout_resize_pane(wp, LAYOUT_TOPBOTTOM, -adjust, 1);
1.35 nicm 120: else if (args_has(args, 'D'))
1.24 nicm 121: layout_resize_pane(wp, LAYOUT_TOPBOTTOM, adjust, 1);
1.1 nicm 122: server_redraw_window(wl->window);
123:
1.11 nicm 124: return (CMD_RETURN_NORMAL);
1.18 nicm 125: }
126:
1.25 nicm 127: static void
1.18 nicm 128: cmd_resize_pane_mouse_update(struct client *c, struct mouse_event *m)
129: {
130: struct winlink *wl;
1.32 nicm 131: struct window *w;
132: u_int y, ly, x, lx;
1.34 nicm 133: static const int offsets[][2] = {
134: { 0, 0 }, { 0, 1 }, { 1, 0 }, { 0, -1 }, { -1, 0 },
135: };
136: struct layout_cell *cells[nitems(offsets)], *lc;
1.33 nicm 137: u_int ncells = 0, i, j, resizes = 0;
138: enum layout_type type;
1.18 nicm 139:
140: wl = cmd_mouse_window(m, NULL);
141: if (wl == NULL) {
142: c->tty.mouse_drag_update = NULL;
143: return;
144: }
1.32 nicm 145: w = wl->window;
1.18 nicm 146:
1.37 nicm 147: y = m->y + m->oy; x = m->x + m->ox;
1.38 nicm 148: if (m->statusat == 0 && y >= m->statuslines)
149: y -= m->statuslines;
1.18 nicm 150: else if (m->statusat > 0 && y >= (u_int)m->statusat)
151: y = m->statusat - 1;
1.36 nicm 152: ly = m->ly + m->oy; lx = m->lx + m->ox;
1.38 nicm 153: if (m->statusat == 0 && ly >= m->statuslines)
154: ly -= m->statuslines;
1.18 nicm 155: else if (m->statusat > 0 && ly >= (u_int)m->statusat)
156: ly = m->statusat - 1;
157:
1.33 nicm 158: for (i = 0; i < nitems(cells); i++) {
159: lc = layout_search_by_border(w->layout_root, lx + offsets[i][0],
160: ly + offsets[i][1]);
161: if (lc == NULL)
162: continue;
163:
164: for (j = 0; j < ncells; j++) {
165: if (cells[j] == lc) {
166: lc = NULL;
167: break;
168: }
169: }
170: if (lc == NULL)
171: continue;
1.32 nicm 172:
1.33 nicm 173: cells[ncells] = lc;
174: ncells++;
175: }
176: if (ncells == 0)
1.31 nicm 177: return;
1.32 nicm 178:
1.33 nicm 179: for (i = 0; i < ncells; i++) {
180: type = cells[i]->parent->type;
181: if (y != ly && type == LAYOUT_TOPBOTTOM) {
182: layout_resize_layout(w, cells[i], type, y - ly, 0);
183: resizes++;
184: } else if (x != lx && type == LAYOUT_LEFTRIGHT) {
185: layout_resize_layout(w, cells[i], type, x - lx, 0);
186: resizes++;
187: }
188: }
189: if (resizes != 0)
190: server_redraw_window(w);
1.1 nicm 191: }
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