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-rw-r--r--cmd-resize-pane.c215
1 files changed, 215 insertions, 0 deletions
diff --git a/cmd-resize-pane.c b/cmd-resize-pane.c
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--- /dev/null
+++ b/cmd-resize-pane.c
@@ -0,0 +1,215 @@
+/* $OpenBSD$ */
+
+/*
+ * Copyright (c) 2009 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 <string.h>
+
+#include "tmux.h"
+
+/*
+ * Increase or decrease pane size.
+ */
+
+static enum cmd_retval cmd_resize_pane_exec(struct cmd *, struct cmdq_item *);
+
+static void cmd_resize_pane_mouse_update(struct client *,
+ struct mouse_event *);
+
+const struct cmd_entry cmd_resize_pane_entry = {
+ .name = "resize-pane",
+ .alias = "resizep",
+
+ .args = { "DLMRTt:Ux:y:Z", 0, 1, NULL },
+ .usage = "[-DLMRTUZ] [-x width] [-y height] " CMD_TARGET_PANE_USAGE " "
+ "[adjustment]",
+
+ .target = { 't', CMD_FIND_PANE, 0 },
+
+ .flags = CMD_AFTERHOOK,
+ .exec = cmd_resize_pane_exec
+};
+
+static enum cmd_retval
+cmd_resize_pane_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 key_event *event = cmdq_get_event(item);
+ struct window_pane *wp = target->wp;
+ struct winlink *wl = target->wl;
+ struct window *w = wl->window;
+ struct client *c = cmdq_get_client(item);
+ struct session *s = target->s;
+ const char *errstr;
+ char *cause;
+ u_int adjust;
+ int x, y, status;
+ struct grid *gd = wp->base.grid;
+
+ if (args_has(args, 'T')) {
+ if (!TAILQ_EMPTY(&wp->modes))
+ return (CMD_RETURN_NORMAL);
+ adjust = screen_size_y(&wp->base) - 1 - wp->base.cy;
+ if (adjust > gd->hsize)
+ adjust = gd->hsize;
+ grid_remove_history(gd, adjust);
+ wp->base.cy += adjust;
+ wp->flags |= PANE_REDRAW;
+ return (CMD_RETURN_NORMAL);
+ }
+
+ if (args_has(args, 'M')) {
+ if (!event->m.valid || cmd_mouse_window(&event->m, &s) == NULL)
+ return (CMD_RETURN_NORMAL);
+ if (c == NULL || c->session != s)
+ return (CMD_RETURN_NORMAL);
+ c->tty.mouse_drag_update = cmd_resize_pane_mouse_update;
+ cmd_resize_pane_mouse_update(c, &event->m);
+ return (CMD_RETURN_NORMAL);
+ }
+
+ if (args_has(args, 'Z')) {
+ if (w->flags & WINDOW_ZOOMED)
+ window_unzoom(w);
+ else
+ window_zoom(wp);
+ server_redraw_window(w);
+ return (CMD_RETURN_NORMAL);
+ }
+ server_unzoom_window(w);
+
+ 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);
+ }
+ }
+
+ if (args_has(args, 'x')) {
+ x = args_percentage(args, 'x', 0, INT_MAX, w->sx, &cause);
+ if (cause != NULL) {
+ cmdq_error(item, "width %s", cause);
+ free(cause);
+ return (CMD_RETURN_ERROR);
+ }
+ layout_resize_pane_to(wp, LAYOUT_LEFTRIGHT, x);
+ }
+ if (args_has(args, 'y')) {
+ y = args_percentage(args, 'y', 0, INT_MAX, w->sy, &cause);
+ if (cause != NULL) {
+ cmdq_error(item, "height %s", cause);
+ free(cause);
+ return (CMD_RETURN_ERROR);
+ }
+ status = options_get_number(w->options, "pane-border-status");
+ switch (status) {
+ case PANE_STATUS_TOP:
+ if (y != INT_MAX && wp->yoff == 1)
+ y++;
+ break;
+ case PANE_STATUS_BOTTOM:
+ if (y != INT_MAX && wp->yoff + wp->sy == w->sy - 1)
+ y++;
+ break;
+ }
+ layout_resize_pane_to(wp, LAYOUT_TOPBOTTOM, y);
+ }
+
+ if (args_has(args, 'L'))
+ layout_resize_pane(wp, LAYOUT_LEFTRIGHT, -adjust, 1);
+ else if (args_has(args, 'R'))
+ layout_resize_pane(wp, LAYOUT_LEFTRIGHT, adjust, 1);
+ else if (args_has(args, 'U'))
+ layout_resize_pane(wp, LAYOUT_TOPBOTTOM, -adjust, 1);
+ else if (args_has(args, 'D'))
+ layout_resize_pane(wp, LAYOUT_TOPBOTTOM, adjust, 1);
+ server_redraw_window(wl->window);
+
+ return (CMD_RETURN_NORMAL);
+}
+
+static void
+cmd_resize_pane_mouse_update(struct client *c, struct mouse_event *m)
+{
+ struct winlink *wl;
+ struct window *w;
+ u_int y, ly, x, lx;
+ static const int offsets[][2] = {
+ { 0, 0 }, { 0, 1 }, { 1, 0 }, { 0, -1 }, { -1, 0 },
+ };
+ struct layout_cell *cells[nitems(offsets)], *lc;
+ u_int ncells = 0, i, j, resizes = 0;
+ enum layout_type type;
+
+ wl = cmd_mouse_window(m, NULL);
+ if (wl == NULL) {
+ c->tty.mouse_drag_update = NULL;
+ return;
+ }
+ w = wl->window;
+
+ y = m->y + m->oy; x = m->x + m->ox;
+ if (m->statusat == 0 && y >= m->statuslines)
+ y -= m->statuslines;
+ else if (m->statusat > 0 && y >= (u_int)m->statusat)
+ y = m->statusat - 1;
+ ly = m->ly + m->oy; lx = m->lx + m->ox;
+ if (m->statusat == 0 && ly >= m->statuslines)
+ ly -= m->statuslines;
+ else if (m->statusat > 0 && ly >= (u_int)m->statusat)
+ ly = m->statusat - 1;
+
+ for (i = 0; i < nitems(cells); i++) {
+ lc = layout_search_by_border(w->layout_root, lx + offsets[i][0],
+ ly + offsets[i][1]);
+ if (lc == NULL)
+ continue;
+
+ for (j = 0; j < ncells; j++) {
+ if (cells[j] == lc) {
+ lc = NULL;
+ break;
+ }
+ }
+ if (lc == NULL)
+ continue;
+
+ cells[ncells] = lc;
+ ncells++;
+ }
+ if (ncells == 0)
+ return;
+
+ for (i = 0; i < ncells; i++) {
+ type = cells[i]->parent->type;
+ if (y != ly && type == LAYOUT_TOPBOTTOM) {
+ layout_resize_layout(w, cells[i], type, y - ly, 0);
+ resizes++;
+ } else if (x != lx && type == LAYOUT_LEFTRIGHT) {
+ layout_resize_layout(w, cells[i], type, x - lx, 0);
+ resizes++;
+ }
+ }
+ if (resizes != 0)
+ server_redraw_window(w);
+}