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cmd-resize-pane.c revision 1.1.1.6 
      1 /* $OpenBSD$ */
      2 
      3 /*
      4  * Copyright (c) 2009 Nicholas Marriott <nicholas.marriott (at) gmail.com>
      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 enum cmd_retval	 cmd_resize_pane_exec(struct cmd *, struct cmd_q *);
     30 
     31 void	cmd_resize_pane_mouse_update(struct client *, struct mouse_event *);
     32 
     33 const struct cmd_entry cmd_resize_pane_entry = {
     34 	.name = "resize-pane",
     35 	.alias = "resizep",
     36 
     37 	.args = { "DLMRt:Ux:y:Z", 0, 1 },
     38 	.usage = "[-DLMRUZ] [-x width] [-y height] " CMD_TARGET_PANE_USAGE " "
     39 		 "[adjustment]",
     40 
     41 	.tflag = CMD_PANE,
     42 
     43 	.flags = 0,
     44 	.exec = cmd_resize_pane_exec
     45 };
     46 
     47 enum cmd_retval
     48 cmd_resize_pane_exec(struct cmd *self, struct cmd_q *cmdq)
     49 {
     50 	struct args		*args = self->args;
     51 	struct window_pane	*wp = cmdq->state.tflag.wp;
     52 	struct winlink		*wl = cmdq->state.tflag.wl;
     53 	struct window		*w = wl->window;
     54 	struct client		*c = cmdq->client;
     55 	struct session		*s = cmdq->state.tflag.s;
     56 	const char	       	*errstr;
     57 	char			*cause;
     58 	u_int			 adjust;
     59 	int			 x, y;
     60 
     61 	if (args_has(args, 'M')) {
     62 		if (cmd_mouse_window(&cmdq->item->mouse, &s) == NULL)
     63 			return (CMD_RETURN_NORMAL);
     64 		if (c == NULL || c->session != s)
     65 			return (CMD_RETURN_NORMAL);
     66 		c->tty.mouse_drag_update = cmd_resize_pane_mouse_update;
     67 		cmd_resize_pane_mouse_update(c, &cmdq->item->mouse);
     68 		return (CMD_RETURN_NORMAL);
     69 	}
     70 
     71 	if (args_has(args, 'Z')) {
     72 		if (w->flags & WINDOW_ZOOMED)
     73 			window_unzoom(w);
     74 		else
     75 			window_zoom(wp);
     76 		server_redraw_window(w);
     77 		server_status_window(w);
     78 		return (CMD_RETURN_NORMAL);
     79 	}
     80 	server_unzoom_window(w);
     81 
     82 	if (args->argc == 0)
     83 		adjust = 1;
     84 	else {
     85 		adjust = strtonum(args->argv[0], 1, INT_MAX, &errstr);
     86 		if (errstr != NULL) {
     87 			cmdq_error(cmdq, "adjustment %s", errstr);
     88 			return (CMD_RETURN_ERROR);
     89 		}
     90 	}
     91 
     92 	if (args_has(self->args, 'x')) {
     93 		x = args_strtonum(self->args, 'x', PANE_MINIMUM, INT_MAX,
     94 		    &cause);
     95 		if (cause != NULL) {
     96 			cmdq_error(cmdq, "width %s", cause);
     97 			free(cause);
     98 			return (CMD_RETURN_ERROR);
     99 		}
    100 		layout_resize_pane_to(wp, LAYOUT_LEFTRIGHT, x);
    101 	}
    102 	if (args_has(self->args, 'y')) {
    103 		y = args_strtonum(self->args, 'y', PANE_MINIMUM, INT_MAX,
    104 		    &cause);
    105 		if (cause != NULL) {
    106 			cmdq_error(cmdq, "height %s", cause);
    107 			free(cause);
    108 			return (CMD_RETURN_ERROR);
    109 		}
    110 		layout_resize_pane_to(wp, LAYOUT_TOPBOTTOM, y);
    111 	}
    112 
    113 	if (args_has(self->args, 'L'))
    114 		layout_resize_pane(wp, LAYOUT_LEFTRIGHT, -adjust);
    115 	else if (args_has(self->args, 'R'))
    116 		layout_resize_pane(wp, LAYOUT_LEFTRIGHT, adjust);
    117 	else if (args_has(self->args, 'U'))
    118 		layout_resize_pane(wp, LAYOUT_TOPBOTTOM, -adjust);
    119 	else if (args_has(self->args, 'D'))
    120 		layout_resize_pane(wp, LAYOUT_TOPBOTTOM, adjust);
    121 	server_redraw_window(wl->window);
    122 
    123 	return (CMD_RETURN_NORMAL);
    124 }
    125 
    126 void
    127 cmd_resize_pane_mouse_update(struct client *c, struct mouse_event *m)
    128 {
    129 	struct winlink		*wl;
    130 	struct window_pane	*wp;
    131 	int			 found;
    132 	u_int			 y, ly;
    133 
    134 	wl = cmd_mouse_window(m, NULL);
    135 	if (wl == NULL) {
    136 		c->tty.mouse_drag_update = NULL;
    137 		return;
    138 	}
    139 
    140 	y = m->y;
    141 	if (m->statusat == 0 && y > 0)
    142 		y--;
    143 	else if (m->statusat > 0 && y >= (u_int)m->statusat)
    144 		y = m->statusat - 1;
    145 	ly = m->ly;
    146 	if (m->statusat == 0 && ly > 0)
    147 		ly--;
    148 	else if (m->statusat > 0 && ly >= (u_int)m->statusat)
    149 		ly = m->statusat - 1;
    150 
    151 	found = 0;
    152 	TAILQ_FOREACH(wp, &wl->window->panes, entry) {
    153 		if (!window_pane_visible(wp))
    154 			continue;
    155 
    156 		if (wp->xoff + wp->sx == m->lx &&
    157 		    wp->yoff <= 1 + ly && wp->yoff + wp->sy >= ly) {
    158 			layout_resize_pane(wp, LAYOUT_LEFTRIGHT, m->x - m->lx);
    159 			found = 1;
    160 		}
    161 		if (wp->yoff + wp->sy == ly &&
    162 		    wp->xoff <= 1 + m->lx && wp->xoff + wp->sx >= m->lx) {
    163 			layout_resize_pane(wp, LAYOUT_TOPBOTTOM, y - ly);
    164 			found = 1;
    165 		}
    166 	}
    167 	if (found)
    168 		server_redraw_window(wl->window);
    169 	else
    170 		c->tty.mouse_drag_update = NULL;
    171 }
    172