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layer-shell: respect single anchor exclusive zones

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Isaac Freund 2020-07-05 23:34:59 +02:00
parent 341fe1e977
commit 24c0355ba8
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GPG Key ID: 86DED400DDFD7A11
1 changed files with 18 additions and 22 deletions
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river/Output.zig
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@ -364,9 +364,7 @@ pub fn arrangeLayers(self: *Self) void {
// Arrange all layer surfaces with exclusive zones, applying them to the
// usable box along the way.
for (layer_idxs) |layer| {
self.arrangeLayer(self.layers[layer], full_box, &usable_box, true);
}
for (layer_idxs) |layer| self.arrangeLayer(self.layers[layer], full_box, &usable_box, true);
// If the the usable_box has changed, we need to rearrange the output
if (!std.meta.eql(self.usable_box, usable_box)) {
@ -375,9 +373,7 @@ pub fn arrangeLayers(self: *Self) void {
}
// Arrange the layers without exclusive zones
for (layer_idxs) |layer| {
self.arrangeLayer(self.layers[layer], full_box, &usable_box, false);
}
for (layer_idxs) |layer| self.arrangeLayer(self.layers[layer], full_box, &usable_box, false);
// Find the topmost layer surface in the top or overlay layers which
// requests keyboard interactivity if any.
@ -431,9 +427,7 @@ fn arrangeLayer(
// If the value of exclusive_zone is greater than zero, then it exclusivly
// occupies some area of the screen.
if (exclusive != (current_state.exclusive_zone > 0)) {
continue;
}
if (exclusive != (current_state.exclusive_zone > 0)) continue;
// If the exclusive zone is set to -1, this means the the client would like
// to ignore any exclusive zones and use the full area of the output.
@ -505,31 +499,36 @@ fn arrangeLayer(
// Apply the exclusive zone to the current bounds
const edges = [4]struct {
anchors: u32,
single: u32,
triple: u32,
to_increase: ?*i32,
to_decrease: ?*u32,
to_decrease: *u32,
margin: u32,
}{
.{
.anchors = anchor_left | anchor_right | anchor_top,
.single = anchor_top,
.triple = anchor_top | anchor_left | anchor_right,
.to_increase = &usable_box.y,
.to_decrease = &usable_box.height,
.margin = current_state.margin.top,
},
.{
.anchors = anchor_left | anchor_right | anchor_bottom,
.single = anchor_bottom,
.triple = anchor_bottom | anchor_left | anchor_right,
.to_increase = null,
.to_decrease = &usable_box.height,
.margin = current_state.margin.bottom,
},
.{
.anchors = anchor_left | anchor_top | anchor_bottom,
.single = anchor_left,
.triple = anchor_left | anchor_top | anchor_bottom,
.to_increase = &usable_box.x,
.to_decrease = &usable_box.width,
.margin = current_state.margin.left,
},
.{
.anchors = anchor_right | anchor_top | anchor_bottom,
.single = anchor_right,
.triple = anchor_right | anchor_top | anchor_bottom,
.to_increase = null,
.to_decrease = &usable_box.width,
.margin = current_state.margin.right,
@ -537,16 +536,13 @@ fn arrangeLayer(
};
for (edges) |edge| {
if (current_state.anchor & edge.anchors == edge.anchors and
if ((current_state.anchor == edge.single or current_state.anchor == edge.triple) and
current_state.exclusive_zone + @intCast(i32, edge.margin) > 0)
{
const delta = current_state.exclusive_zone + @intCast(i32, edge.margin);
if (edge.to_increase) |value| {
value.* += delta;
}
if (edge.to_decrease) |value| {
value.* -= @intCast(u32, delta);
}
if (edge.to_increase) |value| value.* += delta;
edge.to_decrease.* -= @intCast(u32, delta);
break;
}
}