view: replace mode with float/fullscreen bools

The enum would be awkward here since if a view is fullscreened while
floating it should still be floating when defullscreened.

river/Output.zig

@@ -181,7 +181,7 @@ fn layoutFull(self: *Self, visible_count: u32, output_tags: u32) void {
     var it = ViewStack(View).pendingIterator(self.views.first, output_tags);
     while (it.next()) |node| {
         const view = &node.view;
-        if (view.pending.mode == .layout) view.pending.box = full_box;
+        if (!view.pending.float and !view.pending.fullscreen) view.pending.box = full_box;
     }
 }
 
@@ -286,7 +286,7 @@ fn layoutExternal(self: *Self, visible_count: u32, output_tags: u32) !void {
     var view_it = ViewStack(View).pendingIterator(self.views.first, output_tags);
     while (view_it.next()) |node| {
         const view = &node.view;
-        if (view.pending.mode == .layout) {
+        if (!view.pending.float and !view.pending.fullscreen) {
             view.pending.box = view_boxen.items[i];
             i += 1;
         }
@@ -310,7 +310,7 @@ pub fn arrangeViews(self: *Self) void {
         var count: u32 = 0;
         var it = ViewStack(View).pendingIterator(self.views.first, output_tags);
         while (it.next()) |node| {
-            if (node.view.pending.mode == .layout) count += 1;
+            if (!node.view.pending.float and !node.view.pending.fullscreen) count += 1;
         }
         break :blk count;
     };

river/View.zig

@@ -36,11 +36,6 @@ const Impl = union(enum) {
     xwayland_view: XwaylandView,
 };
 
-const Mode = enum {
-    layout,
-    float,
-};
-
 const State = struct {
     /// The output-relative coordinates and dimensions of the view. The
     /// surface itself may have other dimensions which are stored in the
@@ -50,7 +45,8 @@ const State = struct {
     /// The tags of the view, as a bitmask
     tags: u32,
 
-    mode: Mode,
+    float: bool,
+    fullscreen: bool,
 };
 
 const SavedBuffer = struct {
@@ -108,8 +104,10 @@ pub fn init(self: *Self, output: *Output, tags: u32, surface: var) void {
             .width = 0,
         },
         .tags = tags,
-        .mode = .layout,
+        .float = false,
+        .fullscreen = false,
     };
+
     self.pending = self.current;
 
     self.pending_serial = null;

river/XdgToplevel.zig

@@ -174,13 +174,13 @@ fn handleMap(listener: ?*c.wl_listener, data: ?*c_void) callconv(.C) void {
 
     if (wlr_xdg_toplevel.parent != null or has_fixed_size) {
         // If the toplevel has a parent or has a fixed size make it float
-        view.pending.mode = .float;
+        view.pending.float = true;
         view.pending.box = view.getDefaultFloatBox();
     } else {
         // Make views with app_ids listed in the float filter float
         for (root.server.config.float_filter.items) |filter_app_id| {
             if (std.mem.eql(u8, std.mem.span(app_id), std.mem.span(filter_app_id))) {
-                view.pending.mode = .float;
+                view.pending.float = true;
                 view.pending.box = view.getDefaultFloatBox();
                 break;
             }

river/command.zig

@@ -37,6 +37,7 @@ const impl = struct {
     const spawn = @import("command/spawn.zig").spawn;
     const toggleFloat = @import("command/toggle_float.zig").toggleFloat;
     const toggleFocusedTags = @import("command/tags.zig").toggleFocusedTags;
+    const toggleFullscreen = @import("command/toggle_fullscreen.zig").toggleFullscreen;
     const toggleViewTags = @import("command/tags.zig").toggleViewTags;
     const zoom = @import("command/zoom.zig").zoom;
 };

river/command/toggle_float.zig

@@ -29,14 +29,13 @@ pub fn toggleFloat(
     out: *?[]const u8,
 ) Error!void {
     if (args.len > 1) return Error.TooManyArguments;
+
     if (seat.focused_view) |view| {
-        switch (view.current.mode) {
+        // Don't float fullscreen views
-            .layout => {
+        if (view.pending.fullscreen) return;
-                view.pending.mode = .float;
+
-                view.pending.box = view.getDefaultFloatBox();
+        if (!view.pending.float) view.pending.box = view.getDefaultFloatBox();
-            },
+        view.pending.float = !view.pending.float;
-            .float => view.pending.mode = .layout,
-        }
         view.output.root.arrange();
     }
 }

river/command/zoom.zig

@@ -37,13 +37,21 @@ pub fn zoom(
         const focused_node = @fieldParentPtr(ViewStack(View).Node, "view", current_focus);
 
         // Only zoom views that are part of the layout
-        if (current_focus.current.mode != .layout) return;
+        if (current_focus.pending.float or current_focus.pending.fullscreen) return;
 
+        // If the the first view that is part of the layout is focused, zoom
+        // the next view in the layout. Otherwise zoom the focused view.
         var it = ViewStack(View).iterator(output.views.first, output.current_focused_tags);
-        const zoom_node = if (focused_node == it.next())
+        const layout_first = while (it.next()) |node| {
-            if (it.next()) |second| second else null
+            if (!node.view.pending.float and !node.view.pending.fullscreen) break node;
-        else
+        } else unreachable;
-            focused_node;
+        const zoom_node = if (focused_node == layout_first) blk: {
+            while (it.next()) |node| {
+                if (!node.view.pending.float and !node.view.pending.fullscreen) break :blk node;
+            } else {
+                break :blk null;
+            }
+        } else focused_node;
 
         if (zoom_node) |to_bump| {
             output.views.remove(to_bump);