semfault/dwl
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do not blindly try to send motion events when pointer button is pressed

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we don't have to do this if the surface is the same
This commit is contained in:
Leonardo Hernández Hernández 2023-12-10 16:53:56 -06:00
parent 1884a07646
commit 9c5bdcfbe8
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GPG key ID: E538897EE11B9624
1 changed files with 9 additions and 9 deletions
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16
dwl.c
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@ -368,6 +368,7 @@ static struct wl_listener lock_listener = {.notify = locksession};
static struct wlr_seat *seat;
static struct wl_list keyboards;
static struct wlr_surface *held_grab;
static unsigned int cursor_mode;
static Client *grabc;
static int grabcx, grabcy; /* client-relative */
@ -555,6 +556,7 @@ buttonpress(struct wl_listener *listener, void *data)
switch (event->state) {
case WLR_BUTTON_PRESSED:
cursor_mode = CurPressed;
held_grab = seat->pointer_state.focused_surface;
if (locked)
break;
@ -574,6 +576,7 @@ buttonpress(struct wl_listener *listener, void *data)
}
break;
case WLR_BUTTON_RELEASED:
held_grab = NULL;
/* If you released any buttons, we exit interactive move/resize mode. */
/* TODO should reset to the pointer focus's current setcursor */
if (!locked && cursor_mode != CurNormal && cursor_mode != CurPressed) {
@ -1616,7 +1619,6 @@ motionnotify(uint32_t time)
double sx = 0, sy = 0;
Client *c = NULL, *w = NULL;
LayerSurface *l = NULL;
int type;
struct wlr_surface *surface = NULL;
/* time is 0 in internal calls meant to restore pointer focus. */
@ -1646,14 +1648,12 @@ motionnotify(uint32_t time)
/* Find the client under the pointer and send the event along. */
xytonode(cursor->x, cursor->y, &surface, &c, NULL, &sx, &sy);
if (cursor_mode == CurPressed && !seat->drag) {
if ((type = toplevel_from_wlr_surface(
seat->pointer_state.focused_surface, &w, &l)) >= 0) {
if (cursor_mode == CurPressed && !seat->drag && surface != held_grab
&& toplevel_from_wlr_surface(held_grab, &w, &l) >= 0) {
c = w;
surface = seat->pointer_state.focused_surface;
sx = cursor->x - (type == LayerShell ? l->geom.x : w->geom.x);
sy = cursor->y - (type == LayerShell ? l->geom.y : w->geom.y);
}
surface = held_grab;
sx = cursor->x - (l ? l->geom.x : w->geom.x);
sy = cursor->y - (l ? l->geom.y : w->geom.y);
}
/* If there's no client surface under the cursor, set the cursor image to a