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replicate dwm behavior for snap resize

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sewn 2024-04-01 16:02:45 +03:00
parent dd00d994ce
commit f19301ef68
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2 changed files with 13 additions and 1 deletions
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1
config.def.h
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@ -7,6 +7,7 @@
static const int sloppyfocus = 1; /* focus follows mouse */
static const int bypass_surface_visibility = 0; /* 1 means idle inhibitors will disable idle tracking even if it's surface isn't visible */
static const unsigned int borderpx = 1; /* border pixel of windows */
static const unsigned int snap = 32; /* snap pixel */
static const float rootcolor[] = COLOR(0x222222ff);
static const float bordercolor[] = COLOR(0x444444ff);
static const float focuscolor[] = COLOR(0x005577ff);

13
dwl.c
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@ -1688,6 +1688,7 @@ void
motionnotify(uint32_t time, struct wlr_input_device *device, double dx, double dy,
double dx_unaccel, double dy_unaccel)
{
int nx, ny;
double sx = 0, sy = 0, sx_confined, sy_confined;
Client *c = NULL, *w = NULL;
LayerSurface *l = NULL;
@ -1733,7 +1734,17 @@ motionnotify(uint32_t time, struct wlr_input_device *device, double dx, double d
/* If we are currently grabbing the mouse, handle and return */
if (cursor_mode == CurMove) {
/* Move the grabbed client to the new position. */
resize(grabc, (struct wlr_box){.x = ROUND(cursor->x) - grabcx, .y = ROUND(cursor->y) - grabcy,
nx = ROUND(cursor->x) - grabcx;
ny = ROUND(cursor->y) - grabcy;
if (abs(selmon->w.x - nx) < snap)
nx = selmon->w.x;
else if (abs((selmon->w.x + selmon->w.width) - (nx + grabc->geom.width)) < snap)
nx = selmon->w.x + selmon->w.width - grabc->geom.width;
if (abs(selmon->w.y - ny) < snap)
ny = selmon->w.y;
else if (abs((selmon->w.y + selmon->w.height) - (ny + grabc->geom.height)) < snap)
ny = selmon->w.y + selmon->w.height - grabc->geom.height;
resize(grabc, (struct wlr_box){.x = nx, .y = ny,
.width = grabc->geom.width, .height = grabc->geom.height}, 1);
return;
} else if (cursor_mode == CurResize) {