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river-layout: create and implement protocol

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Replace the current layout mechanism based on passing args to a child
process and parsing it's stdout with a new wayland protocol. This much
more robust and allows for more featureful layout generators.

Co-authored-by: Isaac Freund <ifreund@ifreund.xyz>
This commit is contained in:
Leon Henrik Plickat
2020-10-02 15:53:08 +02:00
committed by Isaac Freund
parent df3e993013
commit f72656b72e
26 changed files with 1261 additions and 653 deletions
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10
river/XdgToplevel.zig
View File

@ -182,6 +182,10 @@ fn handleMap(listener: *wl.Listener(*wlr.XdgSurface), xdg_surface: *wlr.XdgSurfa
view.float_box.y = std.math.max(0, @divTrunc(@intCast(i32, view.output.usable_box.height) -
@intCast(i32, view.float_box.height), 2));
// Also use the view's "natural" size as the initial regular dimensions,
// for the case that it does not get arranged by a lyaout.
view.pending.box = view.float_box;
const state = &toplevel.current;
const has_fixed_size = state.min_width != 0 and state.min_height != 0 and
(state.min_width == state.max_width or state.min_height == state.max_height);
@ -296,14 +300,16 @@ fn handleRequestMove(
) void {
const self = @fieldParentPtr(Self, "request_move", listener);
const seat = @intToPtr(*Seat, event.seat.seat.data);
if (self.view.pending.float) seat.cursor.enterMode(.move, self.view);
if (self.view.pending.float or self.view.output.current.layout == null)
seat.cursor.enterMode(.move, self.view);
}
/// Called when the client asks to be resized via the cursor.
fn handleRequestResize(listener: *wl.Listener(*wlr.XdgToplevel.event.Resize), event: *wlr.XdgToplevel.event.Resize) void {
const self = @fieldParentPtr(Self, "request_resize", listener);
const seat = @intToPtr(*Seat, event.seat.seat.data);
if (self.view.pending.float) seat.cursor.enterMode(.resize, self.view);
if (self.view.pending.float or self.view.output.current.layout == null)
seat.cursor.enterMode(.resize, self.view);
}
/// Called when the client sets / updates its title