neurocyte/flow
neurocyte/flow
1
1
Fork 0
Code Issues Pull requests Projects Releases 5 Packages Wiki Activity Actions

fix: prevent endless looping on tab bar widget updates

Browse source 
Now that Widget addresses do not have to be stable we can greatly simplfy
and in the process eliminate the potential for update looping.

The closes #520
This commit is contained in:
CJ van den Berg 2026-02-23 21:48:41 +01:00
parent cdd6fee9d6
commit 4cbd8fbde3
Signed by: neurocyte
GPG key ID: 8EB1E1BB660E3FB9
1 changed files with 13 additions and 25 deletions
Download patch file Download diff file Expand all files Collapse all files

34
src/tui/status/tabs.zig
View file

@ -159,12 +159,13 @@ pub const TabBar = struct {
pub fn update(self: *Self) void {
const drag_source, const drag_btn = tui.get_drag_source();
self.update_tabs(drag_source) catch {};
const tab_update = self.update_tabs(drag_source) catch true;
self.splits_list_widget.resize(Widget.Box.from(self.plane));
self.splits_list_widget.update();
if (!tab_update) return;
for (self.splits_list.widgets.items) |*split_widgetstate| if (split_widgetstate.widget.dynamic_cast(WidgetList)) |split|
for (split.widgets.items) |*widgetstate| if (widgetstate.widget.dynamic_cast(Tab.ButtonType)) |btn| if (btn.drag_pos) |_|
tui.update_drag_source(&widgetstate.widget, drag_btn);
tui.update_drag_source(widgetstate.widget, drag_btn);
tui.refresh_hover(@src());
}
@ -313,23 +314,20 @@ pub const TabBar = struct {
if (tab.widget.dynamic_cast(Tab.ButtonType)) |btn|
if (btn.drag_pos) |_| break true;
} else false;
if (!dragging and !buffers_changed and self.splits_list.widgets.items.len > 0) return;
if (!dragging and !buffers_changed and self.splits_list.widgets.items.len > 0) return false;
try self.update_tab_widgets(drag_source);
return true;
}
fn update_tab_widgets(self: *Self, drag_source: ?*Widget) !void {
fn update_tab_widgets(self: *Self, drag_source_: ?Widget) !void {
tp.trace(tp.channel.debug, .{"update_tab_widgets"});
const mv = tui.mainview() orelse @panic("tabs no main view");
const buffer_manager = tui.get_buffer_manager() orelse @panic("tabs no buffer manager");
var prev_widget_count: usize = 0;
for (self.splits_list.widgets.items) |*split_widgetstate| if (split_widgetstate.widget.dynamic_cast(WidgetList)) |split| {
prev_widget_count += 1;
for (split.widgets.items) |_| prev_widget_count += 1;
};
if (drag_source_) |drag_source|
for (self.splits_list.widgets.items) |*split_widget| if (split_widget.widget.dynamic_cast(WidgetList)) |split| {
for (split.widgets.items) |*widget|
if (&widget.widget == drag_source) tui.reset_drag_context();
for (split.widgets.items) |widget|
if (widget.widget.ptr == drag_source.ptr) tui.reset_drag_context();
};
while (self.splits_list.pop()) |split_widget| if (split_widget.dynamic_cast(WidgetList)) |split| {
while (split.pop()) |widget| if (widget.dynamic_cast(Tab.ButtonType) == null)
@ -337,29 +335,21 @@ pub const TabBar = struct {
split.deinit(self.splits_list.allocator);
};
for (self.tabs) |*tab| if (buffer_manager.buffer_from_ref(tab.buffer_ref)) |buffer| {
tab.view = buffer.get_last_view() orelse 0;
};
const views = mv.get_view_count();
var widget_count: usize = 0;
for (0..views) |view| {
var first = true;
var view_widget_list = try WidgetList.createH(self.allocator, self.splits_list.plane, "split", .dynamic);
try self.splits_list.add(view_widget_list.widget());
widget_count += 1;
for (self.tabs) |tab| {
for (self.tabs) |*tab| {
const tab_view = tab.view orelse 0;
if (tab_view != view) continue;
if (first) {
first = false;
} else {
try view_widget_list.add(try self.make_spacer(view_widget_list.plane));
widget_count += 1;
}
try view_widget_list.add(tab.widget);
widget_count += 1;
if (tab.widget.dynamic_cast(Tab.ButtonType)) |btn| {
if (buffer_manager.buffer_from_ref(tab.buffer_ref)) |buffer| {
try btn.update_label(Tab.name_from_buffer(buffer));
@ -369,8 +359,6 @@ pub const TabBar = struct {
}
try view_widget_list.add(try self.make_drop_target(view));
}
if (prev_widget_count != widget_count)
tui.refresh_hover(@src());
}
fn update_tab_buffers(self: *Self) !bool {