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better-resize: 0.7
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mmistika
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48
patches/better-resize/README.md
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48
patches/better-resize/README.md
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### Description
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This patch allows you to configure window resizing more flexibly.
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It introduces three options with the following possible values:
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- warp_cursor:
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```
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0 - the mouse cursor remains in its original position at the start of the resize.
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1 - the cursor is automatically warped to the selected corner before resizing begins.
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```
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- lock_cursor:
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```
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0 - the cursor can move freely during the resize.
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1 - the cursor position is completely frozen for the entire duration of the resize.
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```
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- resize_corner:
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```
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0: top-left
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1: top-right
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2: bottom-left
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3: bottom-right
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4: selects the corner based on the current mouse quadrant
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```
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### Demos
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All demos below use resize_corner = 4:
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| no warp + no lock | warp + lock |
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|-|-|
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|  |  |
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| no warp + lock | warp + no lock |
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|-|-|
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|  |  |
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### Known Issues (warp + lock)
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The combination of warp_cursor and lock_cursor is not recommended without outer gaps.
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If the selected resize corner aligns exactly with a screen corner, the cursor gets locked there and cannot be moved outward, so resizing only works inward.
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To resize outward, you must restart the resize operation with the cursor positioned somewhere away from the screen corner.
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This happens because the locked cursor cannot move past the screen edge, and therefore cannot generate a non-zero delta to resize outward.
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On multihead setups, if the resize corner is near another screen, the window may switch monitors upon completion of the resize.
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### Download
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- [0.7](/dwl/dwl-patches/raw/branch/main/patches/better-resize/better-resize-0.7.patch)
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### Authors
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- [mmistika](https://codeberg.org/mmistika)
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107
patches/better-resize/better-resize-0.7.patch
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107
patches/better-resize/better-resize-0.7.patch
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From f109808140cd6323b3a100663a10e048ae32e3a0 Mon Sep 17 00:00:00 2001
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From: mmistika <mistikasoft@gmail.com>
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Date: Thu, 17 Jul 2025 11:59:18 +0200
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Subject: [PATCH] Add configurable window resize
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Signed-off-by: mmistika <mistikasoft@gmail.com>
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---
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config.def.h | 12 ++++++++++++
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dwl.c | 45 +++++++++++++++++++++++++++++++++++++--------
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2 files changed, 49 insertions(+), 8 deletions(-)
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diff --git a/config.def.h b/config.def.h
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index 22d2171..e404549 100644
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--- a/config.def.h
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+++ b/config.def.h
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@@ -20,6 +20,18 @@ static const float fullscreen_bg[] = {0.1f, 0.1f, 0.1f, 1.0f}; /* You ca
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/* logging */
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static int log_level = WLR_ERROR;
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+/* window resizing */
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+/* resize_corner:
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+ * 0: top-left
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+ * 1: top-right
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+ * 2: bottom-left
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+ * 3: bottom-right
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+ * 4: closest to the cursor
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+ */
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+static const int resize_corner = 4;
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+static const int warp_cursor = 1; /* 1: warp to corner, 0: don’t warp */
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+static const int lock_cursor = 0; /* 1: lock cursor, 0: don't lock */
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+
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/* NOTE: ALWAYS keep a rule declared even if you don't use rules (e.g leave at least one example) */
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static const Rule rules[] = {
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/* app_id title tags mask isfloating monitor */
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diff --git a/dwl.c b/dwl.c
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index c717c1d..aacd074 100644
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--- a/dwl.c
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+++ b/dwl.c
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@@ -407,6 +407,7 @@ static KeyboardGroup *kb_group;
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static unsigned int cursor_mode;
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static Client *grabc;
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static int grabcx, grabcy; /* client-relative */
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+static int rzcorner;
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static struct wlr_output_layout *output_layout;
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static struct wlr_box sgeom;
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@@ -1873,8 +1874,24 @@ motionnotify(uint32_t time, struct wlr_input_device *device, double dx, double d
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.width = grabc->geom.width, .height = grabc->geom.height}, 1);
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return;
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} else if (cursor_mode == CurResize) {
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- resize(grabc, (struct wlr_box){.x = grabc->geom.x, .y = grabc->geom.y,
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- .width = (int)round(cursor->x) - grabc->geom.x, .height = (int)round(cursor->y) - grabc->geom.y}, 1);
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+ int cdx = (int)round(cursor->x) - grabcx;
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+ int cdy = (int)round(cursor->y) - grabcy;
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+
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+ const struct wlr_box box = {
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+ .x = grabc->geom.x + (rzcorner & 1 ? 0 : cdx),
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+ .y = grabc->geom.y + (rzcorner & 2 ? 0 : cdy),
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+ .width = grabc->geom.width + (rzcorner & 1 ? cdx : -cdx),
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+ .height = grabc->geom.height + (rzcorner & 2 ? cdy : -cdy)
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+ };
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+ resize(grabc, box, 1);
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+
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+ if (!lock_cursor) {
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+ grabcx += cdx;
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+ grabcy += cdy;
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+ } else {
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+ wlr_cursor_warp_closest(cursor, NULL, grabcx, grabcy);
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+ }
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+
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return;
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}
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@@ -1920,12 +1937,24 @@ moveresize(const Arg *arg)
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wlr_cursor_set_xcursor(cursor, cursor_mgr, "fleur");
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break;
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case CurResize:
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- /* Doesn't work for X11 output - the next absolute motion event
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- * returns the cursor to where it started */
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- wlr_cursor_warp_closest(cursor, NULL,
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- grabc->geom.x + grabc->geom.width,
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- grabc->geom.y + grabc->geom.height);
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- wlr_cursor_set_xcursor(cursor, cursor_mgr, "se-resize");
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+ const char *cursors[] = { "nw-resize", "ne-resize", "sw-resize", "se-resize" };
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+
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+ rzcorner = resize_corner;
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+ grabcx = (int)round(cursor->x);
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+ grabcy = (int)round(cursor->y);
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+
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+ if (rzcorner == 4)
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+ /* identify the closest corner index */
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+ rzcorner = (grabcx - grabc->geom.x < grabc->geom.x + grabc->geom.width - grabcx ? 0 : 1)
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+ + (grabcy - grabc->geom.y < grabc->geom.y + grabc->geom.height - grabcy ? 0 : 2);
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+
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+ if (warp_cursor) {
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+ grabcx = rzcorner & 1 ? grabc->geom.x + grabc->geom.width : grabc->geom.x;
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+ grabcy = rzcorner & 2 ? grabc->geom.y + grabc->geom.height : grabc->geom.y;
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+ wlr_cursor_warp_closest(cursor, NULL, grabcx, grabcy);
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+ }
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+
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+ wlr_cursor_set_xcursor(cursor, cursor_mgr, cursors[rzcorner]);
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break;
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}
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}
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--
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2.50.1
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