Annotation of embedaddon/tmux/cmd-resize-pane.c, revision 1.1
1.1 ! misho 1: /* $OpenBSD$ */
! 2:
! 3: /*
! 4: * Copyright (c) 2009 Nicholas Marriott <nicholas.marriott@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: static enum cmd_retval cmd_resize_pane_exec(struct cmd *, struct cmdq_item *);
! 30:
! 31: static void cmd_resize_pane_mouse_update(struct client *,
! 32: struct mouse_event *);
! 33:
! 34: const struct cmd_entry cmd_resize_pane_entry = {
! 35: .name = "resize-pane",
! 36: .alias = "resizep",
! 37:
! 38: .args = { "DLMRt:Ux:y:Z", 0, 1 },
! 39: .usage = "[-DLMRUZ] [-x width] [-y height] " CMD_TARGET_PANE_USAGE " "
! 40: "[adjustment]",
! 41:
! 42: .tflag = CMD_PANE,
! 43:
! 44: .flags = CMD_AFTERHOOK,
! 45: .exec = cmd_resize_pane_exec
! 46: };
! 47:
! 48: static enum cmd_retval
! 49: cmd_resize_pane_exec(struct cmd *self, struct cmdq_item *item)
! 50: {
! 51: struct args *args = self->args;
! 52: struct window_pane *wp = item->state.tflag.wp;
! 53: struct winlink *wl = item->state.tflag.wl;
! 54: struct window *w = wl->window;
! 55: struct client *c = item->client;
! 56: struct session *s = item->state.tflag.s;
! 57: const char *errstr;
! 58: char *cause;
! 59: u_int adjust;
! 60: int x, y;
! 61:
! 62: if (args_has(args, 'M')) {
! 63: if (cmd_mouse_window(&item->mouse, &s) == NULL)
! 64: return (CMD_RETURN_NORMAL);
! 65: if (c == NULL || c->session != s)
! 66: return (CMD_RETURN_NORMAL);
! 67: c->tty.mouse_drag_update = cmd_resize_pane_mouse_update;
! 68: cmd_resize_pane_mouse_update(c, &item->mouse);
! 69: return (CMD_RETURN_NORMAL);
! 70: }
! 71:
! 72: if (args_has(args, 'Z')) {
! 73: if (w->flags & WINDOW_ZOOMED)
! 74: window_unzoom(w);
! 75: else
! 76: window_zoom(wp);
! 77: server_redraw_window(w);
! 78: server_status_window(w);
! 79: return (CMD_RETURN_NORMAL);
! 80: }
! 81: server_unzoom_window(w);
! 82:
! 83: if (args->argc == 0)
! 84: adjust = 1;
! 85: else {
! 86: adjust = strtonum(args->argv[0], 1, INT_MAX, &errstr);
! 87: if (errstr != NULL) {
! 88: cmdq_error(item, "adjustment %s", errstr);
! 89: return (CMD_RETURN_ERROR);
! 90: }
! 91: }
! 92:
! 93: if (args_has(self->args, 'x')) {
! 94: x = args_strtonum(self->args, 'x', PANE_MINIMUM, INT_MAX,
! 95: &cause);
! 96: if (cause != NULL) {
! 97: cmdq_error(item, "width %s", cause);
! 98: free(cause);
! 99: return (CMD_RETURN_ERROR);
! 100: }
! 101: layout_resize_pane_to(wp, LAYOUT_LEFTRIGHT, x);
! 102: }
! 103: if (args_has(self->args, 'y')) {
! 104: y = args_strtonum(self->args, 'y', PANE_MINIMUM, INT_MAX,
! 105: &cause);
! 106: if (cause != NULL) {
! 107: cmdq_error(item, "height %s", cause);
! 108: free(cause);
! 109: return (CMD_RETURN_ERROR);
! 110: }
! 111: layout_resize_pane_to(wp, LAYOUT_TOPBOTTOM, y);
! 112: }
! 113:
! 114: if (args_has(self->args, 'L'))
! 115: layout_resize_pane(wp, LAYOUT_LEFTRIGHT, -adjust, 1);
! 116: else if (args_has(self->args, 'R'))
! 117: layout_resize_pane(wp, LAYOUT_LEFTRIGHT, adjust, 1);
! 118: else if (args_has(self->args, 'U'))
! 119: layout_resize_pane(wp, LAYOUT_TOPBOTTOM, -adjust, 1);
! 120: else if (args_has(self->args, 'D'))
! 121: layout_resize_pane(wp, LAYOUT_TOPBOTTOM, adjust, 1);
! 122: server_redraw_window(wl->window);
! 123:
! 124: return (CMD_RETURN_NORMAL);
! 125: }
! 126:
! 127: static void
! 128: cmd_resize_pane_mouse_update(struct client *c, struct mouse_event *m)
! 129: {
! 130: struct winlink *wl;
! 131: struct window_pane *wp;
! 132: int found;
! 133: u_int y, ly;
! 134:
! 135: wl = cmd_mouse_window(m, NULL);
! 136: if (wl == NULL) {
! 137: c->tty.mouse_drag_update = NULL;
! 138: return;
! 139: }
! 140:
! 141: y = m->y;
! 142: if (m->statusat == 0 && y > 0)
! 143: y--;
! 144: else if (m->statusat > 0 && y >= (u_int)m->statusat)
! 145: y = m->statusat - 1;
! 146: ly = m->ly;
! 147: if (m->statusat == 0 && ly > 0)
! 148: ly--;
! 149: else if (m->statusat > 0 && ly >= (u_int)m->statusat)
! 150: ly = m->statusat - 1;
! 151:
! 152: found = 0;
! 153: TAILQ_FOREACH(wp, &wl->window->panes, entry) {
! 154: if (!window_pane_visible(wp))
! 155: continue;
! 156:
! 157: if (wp->xoff + wp->sx == m->lx &&
! 158: wp->yoff <= 1 + ly &&
! 159: wp->yoff + wp->sy >= ly) {
! 160: layout_resize_pane(wp, LAYOUT_LEFTRIGHT, m->x - m->lx, 0);
! 161: found = 1;
! 162: }
! 163: if (wp->yoff + wp->sy == ly &&
! 164: wp->xoff <= 1 + m->lx &&
! 165: wp->xoff + wp->sx >= m->lx) {
! 166: layout_resize_pane(wp, LAYOUT_TOPBOTTOM, y - ly, 0);
! 167: found = 1;
! 168: }
! 169: }
! 170: if (found)
! 171: server_redraw_window(wl->window);
! 172: else
! 173: c->tty.mouse_drag_update = NULL;
! 174: }
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