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Add logic to ignore ConfigureNotify requests while a window is being moved or resized

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bakkeby 2020-09-13 14:35:30 +02:00
parent 32f9a73c0d
commit a7da48ca3d
1 changed files with 14 additions and 0 deletions
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14
dwm.c
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@ -658,6 +658,12 @@ static int screen;
static int sw, sh; /* X display screen geometry width, height */ static int sw, sh; /* X display screen geometry width, height */
static int bh; /* bar geometry */ static int bh; /* bar geometry */
static int lrpad; /* sum of left and right padding for text */ static int lrpad; /* sum of left and right padding for text */
/* Some clients (e.g. alacritty) helpfully send configure notify requests with a new size or
* position when they detect that they have been moved to another monitor. This can cause visual
* glitches when moving (or resizing) client windows from one monitor to another. This variable
* is used internally to ignore such configure notify requests while movemouse or resizemouse are
* being used. */
static int ignoreconfigurenotifyrequests = 0;
static int (*xerrorxlib)(Display *, XErrorEvent *); static int (*xerrorxlib)(Display *, XErrorEvent *);
static unsigned int numlockmask = 0; static unsigned int numlockmask = 0;
static void (*handler[LASTEvent]) (XEvent *) = { static void (*handler[LASTEvent]) (XEvent *) = {
@ -1262,6 +1268,10 @@ configurerequest(XEvent *e)
#endif // BAR_ANYBAR_PATCH #endif // BAR_ANYBAR_PATCH
XConfigureRequestEvent *ev = &e->xconfigurerequest; XConfigureRequestEvent *ev = &e->xconfigurerequest;
XWindowChanges wc; XWindowChanges wc;
if (ignoreconfigurenotifyrequests)
return;
if ((c = wintoclient(ev->window))) { if ((c = wintoclient(ev->window))) {
if (ev->value_mask & CWBorderWidth) if (ev->value_mask & CWBorderWidth)
c->bw = ev->border_width; c->bw = ev->border_width;
@ -2319,6 +2329,7 @@ movemouse(const Arg *arg)
return; return;
if (!getrootptr(&x, &y)) if (!getrootptr(&x, &y))
return; return;
ignoreconfigurenotifyrequests = 1;
do { do {
XMaskEvent(dpy, MOUSEMASK|ExposureMask|SubstructureRedirectMask, &ev); XMaskEvent(dpy, MOUSEMASK|ExposureMask|SubstructureRedirectMask, &ev);
switch(ev.type) { switch(ev.type) {
@ -2376,6 +2387,7 @@ movemouse(const Arg *arg)
#if ROUNDED_CORNERS_PATCH #if ROUNDED_CORNERS_PATCH
drawroundedcorners(c); drawroundedcorners(c);
#endif // ROUNDED_CORNERS_PATCH #endif // ROUNDED_CORNERS_PATCH
ignoreconfigurenotifyrequests = 0;
} }
Client * Client *
@ -2628,6 +2640,7 @@ resizemouse(const Arg *arg)
return; return;
XWarpPointer(dpy, None, c->win, 0, 0, 0, 0, c->w + c->bw - 1, c->h + c->bw - 1); XWarpPointer(dpy, None, c->win, 0, 0, 0, 0, c->w + c->bw - 1, c->h + c->bw - 1);
#endif // RESIZEPOINT_PATCH | RESIZECORNERS_PATCH #endif // RESIZEPOINT_PATCH | RESIZECORNERS_PATCH
ignoreconfigurenotifyrequests = 1;
do { do {
XMaskEvent(dpy, MOUSEMASK|ExposureMask|SubstructureRedirectMask, &ev); XMaskEvent(dpy, MOUSEMASK|ExposureMask|SubstructureRedirectMask, &ev);
switch(ev.type) { switch(ev.type) {
@ -2710,6 +2723,7 @@ resizemouse(const Arg *arg)
selmon = m; selmon = m;
focus(NULL); focus(NULL);
} }
ignoreconfigurenotifyrequests = 0;
} }
void void