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view stack: rework iteration for flexibility

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There is now a single iter() function which accepts a filter and context
allowing users of the api to filter the views in any arbitrary way. This
change allowed for a good amount of code cleanup, and this commit also
ensures that the correct properties are checked in each case, including
the new View.destroying field added in the previous commit. This fixes
at least one crash involving switching focus to a destroying view.
This commit is contained in:
Isaac Freund
2020-08-21 15:08:28 +02:00
parent fa08d85c58
commit db416eb119
9 changed files with 185 additions and 217 deletions
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9
river/Root.zig
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@ -125,12 +125,11 @@ pub fn startTransaction(self: *Self) void {
// to reset the pending count to 0 and clear serials from the views
self.pending_configures = 0;
// Iterate over all layout views of all outputs
// Iterate over all views of all outputs
var output_it = self.outputs.first;
while (output_it) |node| : (output_it = node.next) {
const output = &node.data;
var view_it = ViewStack(View).iterator(output.views.first, std.math.maxInt(u32));
while (view_it.next()) |view_node| {
while (output_it) |output_node| : (output_it = output_node.next) {
var view_it = output_node.data.views.first;
while (view_it) |view_node| : (view_it = view_node.next) {
const view = &view_node.view;
if (view.destroying) {