feat: make status bars configurable

src/tui/status/bar.zig

@@ -0,0 +1,29 @@
+const std = @import("std");
+
+const status_widget = @import("widget.zig");
+const Widget = @import("../Widget.zig");
+const WidgetList = @import("../WidgetList.zig");
+const tui = @import("../tui.zig");
+
+const Self = @This();
+
+pub const Style = enum { none, grip };
+
+pub fn create(a: std.mem.Allocator, parent: Widget, config: []const u8, style: Style, event_handler: ?Widget.EventHandler) !Widget {
+    var w = try WidgetList.createH(a, parent, "statusbar", .{ .static = 1 });
+    if (style == .grip) w.after_render = render_grip;
+    w.ctx = w;
+    var it = std.mem.splitScalar(u8, config, ' ');
+    while (it.next()) |widget_name|
+        try w.add(try status_widget.create(widget_name, a, w.plane, event_handler) orelse continue);
+    return w.widget();
+}
+
+fn render_grip(ctx: ?*anyopaque, theme: *const Widget.Theme) void {
+    const w: *WidgetList = @ptrCast(@alignCast(ctx.?));
+    if (w.hover()) {
+        w.plane.set_style(theme.statusbar_hover);
+        w.plane.cursor_move_yx(0, 0) catch {};
+        _ = w.plane.putstr("  ") catch {};
+    }
+}

src/tui/status/diagstate.zig

@@ -19,7 +19,7 @@ rendered: [:0]const u8 = "",
 
 const Self = @This();
 
-pub fn create(a: Allocator, parent: Plane, event_handler: ?Widget.EventHandler) !Widget {
+pub fn create(a: Allocator, parent: Plane, event_handler: ?Widget.EventHandler) @import("widget.zig").CreateError!Widget {
     return Button.create_widget(Self, a, parent, .{
         .ctx = .{},
         .label = "",

src/tui/status/expander.zig

@@ -0,0 +1,43 @@
+const std = @import("std");
+const tp = @import("thespian");
+const Plane = @import("renderer").Plane;
+
+const Widget = @import("../Widget.zig");
+
+plane: Plane,
+on_event: ?Widget.EventHandler,
+
+const Self = @This();
+
+pub fn create(a: std.mem.Allocator, parent: Plane, event_handler: ?Widget.EventHandler) @import("widget.zig").CreateError!Widget {
+    const self: *Self = try a.create(Self);
+    self.* = .{
+        .plane = try Plane.init(&(Widget.Box{}).opts(@typeName(Self)), parent),
+        .on_event = event_handler,
+    };
+    return Widget.to(self);
+}
+
+pub fn deinit(self: *Self, a: std.mem.Allocator) void {
+    self.plane.deinit();
+    a.destroy(self);
+}
+
+pub fn layout(_: *Self) Widget.Layout {
+    return .dynamic;
+}
+
+pub fn render(self: *Self, theme: *const Widget.Theme) bool {
+    self.plane.set_base_style(" ", theme.statusbar);
+    self.plane.erase();
+    return false;
+}
+
+pub fn receive(self: *Self, from: tp.pid_ref, m: tp.message) error{Exit}!bool {
+    var btn: u32 = 0;
+    if (try m.match(.{ "D", tp.any, tp.extract(&btn), tp.more })) {
+        if (self.on_event) |h| h.send(from, m) catch {};
+        return true;
+    }
+    return false;
+}

src/tui/status/filestate.zig

@@ -34,7 +34,7 @@ file: bool = false,
 const project_icon = "";
 const Self = @This();
 
-pub fn create(a: Allocator, parent: Plane, event_handler: ?Widget.EventHandler) !Widget {
+pub fn create(a: Allocator, parent: Plane, event_handler: ?Widget.EventHandler) @import("widget.zig").CreateError!Widget {
     const btn = try Button.create(Self, a, parent, .{
         .ctx = .{
             .a = a,

src/tui/status/keystate.zig

@@ -31,7 +31,7 @@ const Self = @This();
 const idle_msg = "🐶";
 pub const width = idle_msg.len + 20;
 
-pub fn create(a: Allocator, parent: Plane) !Widget {
+pub fn create(a: Allocator, parent: Plane, _: ?Widget.EventHandler) @import("widget.zig").CreateError!Widget {
     var frame_rate = tp.env.get().num("frame-rate");
     if (frame_rate == 0) frame_rate = 60;
     const self: *Self = try a.create(Self);

src/tui/status/linenumstate.zig

@@ -18,7 +18,7 @@ rendered: [:0]const u8 = "",
 
 const Self = @This();
 
-pub fn create(a: Allocator, parent: Plane, event_handler: ?Widget.EventHandler) !Widget {
+pub fn create(a: Allocator, parent: Plane, event_handler: ?Widget.EventHandler) @import("widget.zig").CreateError!Widget {
     return Button.create_widget(Self, a, parent, .{
         .ctx = .{},
         .label = "",

src/tui/status/minilog.zig

@@ -26,7 +26,7 @@ const Level = enum {
     err,
 };
 
-pub fn create(a: std.mem.Allocator, parent: Plane, event_handler: ?Widget.EventHandler) !Widget {
+pub fn create(a: std.mem.Allocator, parent: Plane, event_handler: ?Widget.EventHandler) @import("widget.zig").CreateError!Widget {
     const self: *Self = try a.create(Self);
     self.* = .{
         .plane = try Plane.init(&(Widget.Box{}).opts(@typeName(Self)), parent),

src/tui/status/modestate.zig

@@ -13,8 +13,9 @@ const Button = @import("../Button.zig");
 const command = @import("../command.zig");
 const ed = @import("../editor.zig");
 const tui = @import("../tui.zig");
+const CreateError = @import("widget.zig").CreateError;
 
-pub fn create(a: Allocator, parent: Plane, event_handler: ?Widget.EventHandler) !Widget {
+pub fn create(a: Allocator, parent: Plane, event_handler: ?Widget.EventHandler) CreateError!Widget {
     return Button.create_widget(void, a, parent, .{
         .ctx = {},
         .label = tui.get_mode(),

src/tui/status/modstate.zig

@@ -23,7 +23,7 @@ const Self = @This();
 
 pub const width = 5;
 
-pub fn create(a: Allocator, parent: Plane) !Widget {
+pub fn create(a: Allocator, parent: Plane, _: ?Widget.EventHandler) @import("widget.zig").CreateError!Widget {
     const self: *Self = try a.create(Self);
     self.* = .{
         .plane = try Plane.init(&(Widget.Box{}).opts(@typeName(Self)), parent),

src/tui/status/selectionstate.zig

@@ -19,7 +19,7 @@ on_event: ?Widget.EventHandler,
 
 const Self = @This();
 
-pub fn create(a: Allocator, parent: Plane, event_handler: ?Widget.EventHandler) !Widget {
+pub fn create(a: Allocator, parent: Plane, event_handler: ?Widget.EventHandler) @import("widget.zig").CreateError!Widget {
     const self: *Self = try a.create(Self);
     self.* = .{
         .plane = try Plane.init(&(Widget.Box{}).opts(@typeName(Self)), parent),

src/tui/status/statusbar.zig

@@ -1,39 +0,0 @@
-const std = @import("std");
-
-const Widget = @import("../Widget.zig");
-const WidgetList = @import("../WidgetList.zig");
-const tui = @import("../tui.zig");
-
-const Self = @This();
-
-pub fn create(a: std.mem.Allocator, parent: Widget, event_handler: ?Widget.EventHandler) !Widget {
-    var w = try WidgetList.createH(a, parent, "statusbar", .{ .static = 1 });
-    w.after_render = render_grip;
-    w.ctx = w;
-    if (tui.current().config.modestate_show) try w.add(try @import("modestate.zig").create(a, w.plane, event_handler));
-    try w.add(try @import("filestate.zig").create(a, w.plane, event_handler));
-    try w.add(try @import("minilog.zig").create(a, w.plane, event_handler));
-    if (tui.current().config.selectionstate_show) try w.add(try @import("selectionstate.zig").create(a, w.plane, event_handler));
-    try w.add(try @import("diagstate.zig").create(a, w.plane, event_handler));
-    try w.add(try @import("linenumstate.zig").create(a, w.plane, event_handler));
-    if (tui.current().config.modstate_show) try w.add(try @import("modstate.zig").create(a, w.plane));
-    if (tui.current().config.keystate_show) try w.add(try @import("keystate.zig").create(a, w.plane));
-    return w.widget();
-}
-
-fn render_grip(ctx: ?*anyopaque, theme: *const Widget.Theme) void {
-    const w: *WidgetList = @ptrCast(@alignCast(ctx.?));
-    if (w.hover()) {
-        const w0 = &w.widgets.items[0].widget;
-        const style = if (tui.current().config.modestate_show)
-            if (w0.hover())
-                theme.editor_selection
-            else
-                theme.statusbar_hover
-        else
-            theme.statusbar_hover;
-        w.plane.set_style(style);
-        w.plane.cursor_move_yx(0, 0) catch {};
-        _ = w.plane.putstr("  ") catch {};
-    }
-}

src/tui/status/widget.zig

@@ -0,0 +1,22 @@
+const std = @import("std");
+const Widget = @import("../Widget.zig");
+const Plane = @import("renderer").Plane;
+
+const widgets = std.static_string_map.StaticStringMap(create_fn).initComptime(.{
+    .{ "mode", @import("modestate.zig").create },
+    .{ "file", @import("filestate.zig").create },
+    .{ "log", @import("minilog.zig").create },
+    .{ "selection", @import("selectionstate.zig").create },
+    .{ "diagnostics", @import("diagstate.zig").create },
+    .{ "linenumber", @import("linenumstate.zig").create },
+    .{ "modifiers", @import("modstate.zig").create },
+    .{ "keystate", @import("keystate.zig").create },
+    .{ "expander", @import("expander.zig").create },
+});
+pub const CreateError = error{ OutOfMemory, Exit };
+const create_fn = *const fn (a: std.mem.Allocator, parent: Plane, event_handler: ?Widget.EventHandler) CreateError!Widget;
+
+pub fn create(name: []const u8, a: std.mem.Allocator, parent: Plane, event_handler: ?Widget.EventHandler) CreateError!?Widget {
+    const create_ = widgets.get(name) orelse return null;
+    return try create_(a, parent, event_handler);
+}