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Refactor Bar/Output surfaces into anon struct

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Both the wl_surface and layer_surface in each are always expected to
exist at the same time. Since they're optional, it makes more sense to
combine them into a single optional struct.
This commit is contained in:
Ben Buhse 2026-02-15 18:02:48 -06:00
commit 43ebdd273c
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GPG key ID: 7916ACFCD38FD0B4
3 changed files with 52 additions and 43 deletions
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41
src/Output.zig
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@ -32,8 +32,11 @@ usable_height: u31 = 0,
wallpaper_render_scale: u31 = 0,
wallpaper_render_width: u31 = 0,
wallpaper_render_height: u31 = 0,
wl_surface: ?*wl.Surface = null,
layer_surface: ?*zwlr.LayerSurfaceV1 = null,
surfaces: ?struct {
wl_surface: *wl.Surface,
layer_surface: *zwlr.LayerSurfaceV1,
} = null,
// TODO: Make Bar a user option, can disable if they want
// This Output's bar
@ -319,8 +322,8 @@ pub fn initWallpaperLayerSurface(output: *Output) !void {
return;
}
if (output.layer_surface) |_| {
// This output already has a layer surface, we can exit early
if (output.surfaces) |_| {
// This output already has a surface, we can exit early
return;
}
@ -329,6 +332,9 @@ pub fn initWallpaperLayerSurface(output: *Output) !void {
const wl_surface = try context.wl_compositor.createSurface();
errdefer wl_surface.destroy();
const layer_surface = try context.zwlr_layer_shell_v1.getLayerSurface(wl_surface, output.wl_output, .background, "beansprout-wallpaper");
errdefer layer_surface.destroy();
// We don't want our surface to have any input region (default is infinite)
const empty_region = try context.wl_compositor.createRegion();
defer empty_region.destroy();
@ -340,12 +346,13 @@ pub fn initWallpaperLayerSurface(output: *Output) !void {
defer opaque_region.destroy();
wl_surface.setOpaqueRegion(opaque_region);
const layer_surface = try context.zwlr_layer_shell_v1.getLayerSurface(wl_surface, output.wl_output, .background, "beansprout-wallpaper");
layer_surface.setExclusiveZone(-1);
layer_surface.setAnchor(.{ .top = true, .right = true, .bottom = true, .left = true });
output.wl_surface = wl_surface;
output.layer_surface = layer_surface;
output.surfaces = .{
.wl_surface = wl_surface,
.layer_surface = layer_surface,
};
context.buffer_pool.surface_count += 1;
layer_surface.setListener(*Output, wallpaperLayerSurfaceListener, output);
@ -353,16 +360,13 @@ pub fn initWallpaperLayerSurface(output: *Output) !void {
}
pub fn deinitWallpaperLayerSurface(output: *Output) void {
if (output.layer_surface) |layer_surface| {
layer_surface.destroy();
}
if (output.wl_surface) |wl_surface| {
wl_surface.destroy();
if (output.surfaces) |surfaces| {
surfaces.wl_surface.destroy();
surfaces.layer_surface.destroy();
output.context.buffer_pool.surface_count -= 1;
}
output.layer_surface = null;
output.wl_surface = null;
output.surfaces = null;
output.configured = false;
}
@ -379,10 +383,10 @@ fn wallpaperLayerSurfaceListener(layer_surface: *zwlr.LayerSurfaceV1, event: zwl
output.wallpaper_render_height == height and
output.scale == output.wallpaper_render_scale)
{
if (output.wl_surface) |wl_surface| {
wl_surface.commit();
if (output.surfaces) |surfaces| {
surfaces.wl_surface.commit();
} else {
log.warn("Output is marked as configured but is missing a layer_surface for the wallpaper", .{});
log.warn("Output is marked as configured but is missing its surfaces.", .{});
}
return;
}
@ -485,7 +489,8 @@ pub fn renderWallpaper(output: *Output) !void {
log.info("render: {}x{} (scaled from {}x{})", .{ width * scale, height * scale, image_width, image_height });
// Attach the buffer to the surface
const wl_surface = output.wl_surface.?;
const surfaces = output.surfaces orelse return error.NoSurfaces;
const wl_surface = surfaces.wl_surface;
wl_surface.setBufferScale(scale);
wl_surface.attach(buffer.wl_buffer, 0, 0);
wl_surface.damageBuffer(0, 0, width * scale, height * scale);