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Cursor: fix pointer drags with focus-follows-cursor

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This commit is contained in:
Isaac Freund
2021-11-19 11:33:27 +01:00
parent 0cbe2b9fc3
commit 9212ac89fa
2 changed files with 50 additions and 23 deletions
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33
river/Seat.zig
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@ -19,6 +19,7 @@ const Self = @This();
const build_options = @import("build_options");
const std = @import("std");
const assert = std.debug.assert;
const wlr = @import("wlroots");
const wl = @import("wayland").server.wl;
const xkb = @import("xkbcommon");
@ -81,11 +82,15 @@ focus_stack: ViewStack(*View) = .{},
/// List of status tracking objects relaying changes to this seat to clients.
status_trackers: std.SinglyLinkedList(SeatStatus) = .{},
/// True if a pointer drag is currently in progress
pointer_drag: bool = false,
request_set_selection: wl.Listener(*wlr.Seat.event.RequestSetSelection) =
wl.Listener(*wlr.Seat.event.RequestSetSelection).init(handleRequestSetSelection),
request_start_drag: wl.Listener(*wlr.Seat.event.RequestStartDrag) =
wl.Listener(*wlr.Seat.event.RequestStartDrag).init(handleRequestStartDrag),
start_drag: wl.Listener(*wlr.Drag) = wl.Listener(*wlr.Drag).init(handleStartDrag),
pointer_drag_destroy: wl.Listener(*wlr.Drag) = wl.Listener(*wlr.Drag).init(handlePointerDragDestroy),
request_set_primary_selection: wl.Listener(*wlr.Seat.event.RequestSetPrimarySelection) =
wl.Listener(*wlr.Seat.event.RequestSetPrimarySelection).init(handleRequestSetPrimarySelection),
@ -443,7 +448,15 @@ fn handleRequestStartDrag(
const self = @fieldParentPtr(Self, "request_start_drag", listener);
if (!self.wlr_seat.validatePointerGrabSerial(event.origin, event.serial)) {
log.debug("ignoring request to start drag, failed to validate serial {}", .{event.serial});
log.debug("ignoring request to start drag, " ++
"failed to validate pointer serial {}", .{event.serial});
if (event.drag.source) |source| source.destroy();
return;
}
if (self.pointer_drag) {
log.debug("ignoring request to start pointer drag, " ++
"another pointer drag is already in progress", .{});
if (event.drag.source) |source| source.destroy();
return;
}
@ -452,12 +465,14 @@ fn handleRequestStartDrag(
self.wlr_seat.startPointerDrag(event.drag, event.serial);
}
fn handleStartDrag(
listener: *wl.Listener(*wlr.Drag),
wlr_drag: *wlr.Drag,
) void {
fn handleStartDrag(listener: *wl.Listener(*wlr.Drag), wlr_drag: *wlr.Drag) void {
const self = @fieldParentPtr(Self, "start_drag", listener);
assert(wlr_drag.grab_type == .keyboard_pointer);
self.pointer_drag = true;
wlr_drag.events.destroy.add(&self.pointer_drag_destroy);
if (wlr_drag.icon) |wlr_drag_icon| {
const node = util.gpa.create(std.SinglyLinkedList(DragIcon).Node) catch {
log.crit("out of memory", .{});
@ -469,6 +484,14 @@ fn handleStartDrag(
self.cursor.mode = .passthrough;
}
fn handlePointerDragDestroy(listener: *wl.Listener(*wlr.Drag), wlr_drag: *wlr.Drag) void {
const self = @fieldParentPtr(Self, "pointer_drag_destroy", listener);
self.pointer_drag = false;
self.pointer_drag_destroy.link.remove();
self.cursor.checkFocusFollowsCursor();
self.cursor.updateState();
}
fn handleRequestSetPrimarySelection(
listener: *wl.Listener(*wlr.Seat.event.RequestSetPrimarySelection),
event: *wlr.Seat.event.RequestSetPrimarySelection,