1 files changed, 116 insertions, 0 deletions
diff --git a/cmd-resize-window.c b/cmd-resize-window.c
new file mode 100644
index 0000000..ad73916
--- /dev/null
+++ b/cmd-resize-window.c
@@ -0,0 +1,116 @@
+/* $OpenBSD$ */
+
+/*
+ * Copyright (c) 2018 Nicholas Marriott <nicholas.marriott@gmail.com>
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER
+ * IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
+ * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#include <sys/types.h>
+
+#include <stdlib.h>
+
+#include "tmux.h"
+
+/*
+ * Increase or decrease window size.
+ */
+
+static enum cmd_retval	cmd_resize_window_exec(struct cmd *,
+			    struct cmdq_item *);
+
+const struct cmd_entry cmd_resize_window_entry = {
+	.name = "resize-window",
+	.alias = "resizew",
+
+	.args = { "aADLRt:Ux:y:", 0, 1, NULL },
+	.usage = "[-aADLRU] [-x width] [-y height] " CMD_TARGET_WINDOW_USAGE " "
+		 "[adjustment]",
+
+	.target = { 't', CMD_FIND_WINDOW, 0 },
+
+	.flags = CMD_AFTERHOOK,
+	.exec = cmd_resize_window_exec
+};
+
+static enum cmd_retval
+cmd_resize_window_exec(struct cmd *self, struct cmdq_item *item)
+{
+	struct args		*args = cmd_get_args(self);
+	struct cmd_find_state	*target = cmdq_get_target(item);
+	struct winlink		*wl = target->wl;
+	struct window		*w = wl->window;
+	struct session		*s = target->s;
+	const char	       	*errstr;
+	char			*cause;
+	u_int			 adjust, sx, sy;
+	int			 xpixel = -1, ypixel = -1;
+
+	if (args_count(args) == 0)
+		adjust = 1;
+	else {
+		adjust = strtonum(args_string(args, 0), 1, INT_MAX, &errstr);
+		if (errstr != NULL) {
+			cmdq_error(item, "adjustment %s", errstr);
+			return (CMD_RETURN_ERROR);
+		}
+	}
+
+	sx = w->sx;
+	sy = w->sy;
+
+	if (args_has(args, 'x')) {
+		sx = args_strtonum(args, 'x', WINDOW_MINIMUM, WINDOW_MAXIMUM,
+		    &cause);
+		if (cause != NULL) {
+			cmdq_error(item, "width %s", cause);
+			free(cause);
+			return (CMD_RETURN_ERROR);
+		}
+	}
+	if (args_has(args, 'y')) {
+		sy = args_strtonum(args, 'y', WINDOW_MINIMUM, WINDOW_MAXIMUM,
+		    &cause);
+		if (cause != NULL) {
+			cmdq_error(item, "height %s", cause);
+			free(cause);
+			return (CMD_RETURN_ERROR);
+		}
+	}
+
+	if (args_has(args, 'L')) {
+		if (sx >= adjust)
+			sx -= adjust;
+	} else if (args_has(args, 'R'))
+		sx += adjust;
+	else if (args_has(args, 'U')) {
+		if (sy >= adjust)
+			sy -= adjust;
+	} else if (args_has(args, 'D'))
+		sy += adjust;
+
+	if (args_has(args, 'A')) {
+		default_window_size(NULL, s, w, &sx, &sy, &xpixel, &ypixel,
+		    WINDOW_SIZE_LARGEST);
+	} else if (args_has(args, 'a')) {
+		default_window_size(NULL, s, w, &sx, &sy, &xpixel, &ypixel,
+		    WINDOW_SIZE_SMALLEST);
+	}
+
+	options_set_number(w->options, "window-size", WINDOW_SIZE_MANUAL);
+	w->manual_sx = sx;
+	w->manual_sy = sy;
+	recalculate_size(w, 1);
+
+	return (CMD_RETURN_NORMAL);
+}