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fix deadlock with mouse reports

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This commit is contained in:
Mitchell Hashimoto
2022-11-05 17:12:37 -07:00
parent 90061016df
commit 8652b2170e
1 changed files with 15 additions and 20 deletions
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41
src/Window.zig
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@ -961,7 +961,24 @@ fn scrollCallback(window: glfw.Window, xoff: f64, yoff: f64) void {
} else |_| {}
}
// If we're scrolling up or down, then send a mouse event
//log.info("SCROLL: {} {}", .{ xoff, yoff });
_ = xoff;
// Positive is up
const sign: isize = if (yoff > 0) -1 else 1;
const delta: isize = sign * @max(@divFloor(win.grid_size.rows, 15), 1);
log.info("scroll: delta={}", .{delta});
{
win.renderer_state.mutex.lock();
defer win.renderer_state.mutex.unlock();
// Modify our viewport, this requires a lock since it affects rendering
win.io.terminal.scrollViewport(.{ .delta = delta }) catch |err|
log.err("error scrolling viewport err={}", .{err});
// If we're scrolling up or down, then send a mouse event. This requires
// a lock since we read terminal state.
if (yoff != 0) {
const pos = window.getCursorPos() catch |err| {
log.err("error reading cursor position: {}", .{err});
@ -973,22 +990,6 @@ fn scrollCallback(window: glfw.Window, xoff: f64, yoff: f64) void {
return;
};
}
//log.info("SCROLL: {} {}", .{ xoff, yoff });
_ = xoff;
// Positive is up
const sign: isize = if (yoff > 0) -1 else 1;
const delta: isize = sign * @max(@divFloor(win.grid_size.rows, 15), 1);
log.info("scroll: delta={}", .{delta});
// Modify our viewport, this requires a lock since it affects rendering
{
win.renderer_state.mutex.lock();
defer win.renderer_state.mutex.unlock();
win.io.terminal.scrollViewport(.{ .delta = delta }) catch |err|
log.err("error scrolling viewport err={}", .{err});
}
win.queueRender() catch unreachable;
@ -1007,12 +1008,6 @@ fn mouseReport(
// TODO: posToViewport currently clamps to the window boundary,
// do we want to not report mouse events at all outside the window?
// Everything in here requires reading/writing mouse state so we
// acquire a big lock. Mouse events are rare so this should be okay
// but we can make this more fine-grained later.
self.renderer_state.mutex.lock();
defer self.renderer_state.mutex.unlock();
// Depending on the event, we may do nothing at all.
switch (self.io.terminal.modes.mouse_event) {
.none => return,