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mod: each layout and widget now allocates their own instance in memory using the provided allocator (and destroy's themselfes in the end)
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This commit is contained in:
Yves Biener
2024-11-16 19:56:36 +01:00
parent f4adf53067
commit ec71e34958
14 changed files with 232 additions and 270 deletions
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38
examples/container.zig
View File

@@ -30,56 +30,38 @@ pub fn main() !void {
// TODO: when not running fullscreen, the application needs to screen down accordingly to display the contents // TODO: when not running fullscreen, the application needs to screen down accordingly to display the contents
// -> size hint how much should it use? // -> size hint how much should it use?
var layout = Layout.createFrom(layout: { var layout = Layout.createFrom(Layout.HContainer.init(allocator, .{
var stack = Layout.HContainer.init(allocator, .{
.{ .{
Widget.createFrom(blk: { Widget.createFrom(Widget.Spacer.init(allocator)),
var spacer = Widget.Spacer.init();
break :blk &spacer;
}),
15, 15,
}, },
.{ .{
Layout.createFrom(container: { Layout.createFrom(Layout.VContainer.init(allocator, .{
var container = Layout.VContainer.init(allocator, .{
.{ .{
Widget.createFrom(blk: { Widget.createFrom(Widget.Spacer.init(allocator)),
var spacer = Widget.Spacer.init();
break :blk &spacer;
}),
25, 25,
}, },
.{ .{
Widget.createFrom(blk: { Widget.createFrom(blk: {
const file = try std.fs.cwd().openFile("./src/app.zig", .{}); const file = try std.fs.cwd().openFile("./src/app.zig", .{});
defer file.close(); defer file.close();
var widget = Widget.RawText.init(allocator, file); const widget = Widget.RawText.init(allocator, file);
break :blk &widget; break :blk widget;
}), }),
50, 50,
}, },
.{ .{
Widget.createFrom(blk: { Widget.createFrom(Widget.Spacer.init(allocator)),
var spacer = Widget.Spacer.init();
break :blk &spacer;
}),
25, 25,
}, },
}); })),
break :container &container;
}),
70, 70,
}, },
.{ .{
Widget.createFrom(blk: { Widget.createFrom(Widget.Spacer.init(allocator)),
var spacer = Widget.Spacer.init();
break :blk &spacer;
}),
15, 15,
}, },
}); }));
break :layout &stack;
});
defer layout.deinit(); defer layout.deinit();
try app.start(); try app.start();

31
examples/exec.zig
View File

@@ -31,41 +31,26 @@ pub fn main() !void {
// TODO: when not running fullscreen, the application needs to screen down accordingly to display the contents // TODO: when not running fullscreen, the application needs to screen down accordingly to display the contents
// -> size hint how much should it use? // -> size hint how much should it use?
var layout = Layout.createFrom(layout: { var layout = Layout.createFrom(Layout.VContainer.init(allocator, .{
var container = Layout.VContainer.init(allocator, .{
.{ .{
Widget.createFrom(blk: { Widget.createFrom(Widget.Spacer.init(allocator)),
var spacer = Widget.Spacer.init();
break :blk &spacer;
}),
45, 45,
}, },
.{ .{
Layout.createFrom(framing: { Layout.createFrom(Layout.Framing.init(allocator, .{}, .{
var framing = Layout.Framing.init(allocator, .{}, .{ .widget = Widget.createFrom(Widget.Text.init(allocator, .center, &[_]Cell{
.widget = Widget.createFrom(blk: {
var widget = Widget.Text.init(.center, &[_]Cell{
.{ .content = "Press " }, .{ .content = "Press " },
.{ .content = "Ctrl+n", .style = .{ .fg = .{ .index = 6 } } }, .{ .content = "Ctrl+n", .style = .{ .fg = .{ .index = 6 } } },
.{ .content = " to launch $EDITOR" }, .{ .content = " to launch $EDITOR" },
}); })),
break :blk &widget; })),
}),
});
break :framing &framing;
}),
10, 10,
}, },
.{ .{
Widget.createFrom(blk: { Widget.createFrom(Widget.Spacer.init(allocator)),
var spacer = Widget.Spacer.init();
break :blk &spacer;
}),
45, 45,
}, },
}); }));
break :layout &container;
});
defer layout.deinit(); defer layout.deinit();
try app.start(); try app.start();

31
examples/padding.zig
View File

@@ -30,14 +30,10 @@ pub fn main() !void {
// TODO: when not running fullscreen, the application needs to screen down accordingly to display the contents // TODO: when not running fullscreen, the application needs to screen down accordingly to display the contents
// -> size hint how much should it use? // -> size hint how much should it use?
var layout = Layout.createFrom(layout: { var layout = Layout.createFrom(Layout.Padding.init(allocator, .{
var padding = Layout.Padding.init(allocator, .{
.padding = 15, .padding = 15,
}, .{ }, .{
.layout = Layout.createFrom(framing: { .layout = Layout.createFrom(Layout.Framing.init(allocator, .{
var framing = Layout.Framing.init(
allocator,
.{
.style = .{ .style = .{
.fg = .{ .fg = .{
.index = 6, .index = 6,
@@ -52,10 +48,8 @@ pub fn main() !void {
.bold = true, .bold = true,
}, },
}, },
}, }, .{
.{ .layout = Layout.createFrom(Layout.Margin.init(
.layout = Layout.createFrom(margin: {
var margin = Layout.Margin.init(
allocator, allocator,
.{ .{
.margin = 10, .margin = 10,
@@ -64,20 +58,13 @@ pub fn main() !void {
.widget = Widget.createFrom(blk: { .widget = Widget.createFrom(blk: {
const file = try std.fs.cwd().openFile("./examples/padding.zig", .{}); const file = try std.fs.cwd().openFile("./examples/padding.zig", .{});
defer file.close(); defer file.close();
var widget = Widget.RawText.init(allocator, file); const widget = Widget.RawText.init(allocator, file);
break :blk &widget; break :blk widget;
}), }),
}, },
); )),
break :margin &margin; })),
}), }));
},
);
break :framing &framing;
}),
});
break :layout &padding;
});
defer layout.deinit(); defer layout.deinit();
try app.start(); try app.start();

66
examples/stack.zig
View File

@@ -30,8 +30,7 @@ pub fn main() !void {
// TODO: when not running fullscreen, the application needs to screen down accordingly to display the contents // TODO: when not running fullscreen, the application needs to screen down accordingly to display the contents
// -> size hint how much should it use? // -> size hint how much should it use?
var layout = Layout.createFrom(layout: { var layout = Layout.createFrom(Layout.Framing.init(allocator, .{
var framing = Layout.Framing.init(allocator, .{
.style = .{ .style = .{
.fg = .{ .fg = .{
.index = 6, .index = 6,
@@ -47,14 +46,9 @@ pub fn main() !void {
}, },
}, },
}, .{ }, .{
.layout = Layout.createFrom(hstack: { .layout = Layout.createFrom(Layout.HStack.init(allocator, .{
var hstack = Layout.HStack.init(allocator, .{ Widget.createFrom(Widget.Spacer.init(allocator)),
Widget.createFrom(blk: { Layout.createFrom(Layout.Framing.init(
var spacer = Widget.Spacer.init();
break :blk &spacer;
}),
Layout.createFrom(framing: {
var framing = Layout.Framing.init(
allocator, allocator,
.{ .{
.style = .{ .style = .{
@@ -73,54 +67,30 @@ pub fn main() !void {
}, },
}, },
.{ .{
.layout = Layout.createFrom( .layout = Layout.createFrom(Layout.Margin.init(allocator, .{
padding: {
var padding = Layout.Margin.init(
allocator,
.{
.margin = 10, .margin = 10,
}, }, .{
.{ .layout = Layout.createFrom(Layout.VStack.init(allocator, .{
.layout = Layout.createFrom(vstack: {
var vstack = Layout.VStack.init(allocator, .{
Widget.createFrom(blk: { Widget.createFrom(blk: {
const file = try std.fs.cwd().openFile("./examples/stack.zig", .{}); const file = try std.fs.cwd().openFile("./examples/stack.zig", .{});
defer file.close(); defer file.close();
var widget = Widget.RawText.init(allocator, file); const widget = Widget.RawText.init(allocator, file);
break :blk &widget; break :blk widget;
}),
Widget.createFrom(blk: {
var spacer = Widget.Spacer.init();
break :blk &spacer;
}), }),
Widget.createFrom(Widget.Spacer.init(allocator)),
Widget.createFrom(blk: { Widget.createFrom(blk: {
const file = try std.fs.cwd().openFile("./examples/stack.zig", .{}); const file = try std.fs.cwd().openFile("./examples/stack.zig", .{});
defer file.close(); defer file.close();
var widget = Widget.RawText.init(allocator, file); const widget = Widget.RawText.init(allocator, file);
break :blk &widget; break :blk widget;
}),
});
break :vstack &vstack;
}), }),
})),
})),
}, },
); )),
break :padding &padding; Widget.createFrom(Widget.Spacer.init(allocator)),
}, })),
), }));
},
);
break :framing &framing;
}),
Widget.createFrom(blk: {
var spacer = Widget.Spacer.init();
break :blk &spacer;
}),
});
break :hstack &hstack;
}),
});
break :layout &framing;
});
defer layout.deinit(); defer layout.deinit();
try app.start(); try app.start();

16
src/layout/Framing.zig
View File

@@ -27,6 +27,7 @@ pub fn Layout(comptime Event: type, comptime Element: type, comptime Renderer: t
} }
const Events = std.ArrayList(Event); const Events = std.ArrayList(Event);
return struct { return struct {
allocator: std.mem.Allocator = undefined,
size: terminal.Size = undefined, size: terminal.Size = undefined,
require_render: bool = true, require_render: bool = true,
element: Element = undefined, element: Element = undefined,
@@ -49,12 +50,13 @@ pub fn Layout(comptime Event: type, comptime Element: type, comptime Renderer: t
}; };
}; };
pub fn init(allocator: std.mem.Allocator, config: Config, element: Element) @This() { pub fn init(allocator: std.mem.Allocator, config: Config, element: Element) *@This() {
return .{ const layout = allocator.create(@This()) catch @panic("OOM");
.config = config, layout.allocator = allocator;
.element = element, layout.config = config;
.events = Events.init(allocator), layout.element = element;
}; layout.events = Events.init(allocator);
return layout;
} }
pub fn deinit(this: *@This()) void { pub fn deinit(this: *@This()) void {
@@ -67,6 +69,8 @@ pub fn Layout(comptime Event: type, comptime Element: type, comptime Renderer: t
widget.deinit(); widget.deinit();
}, },
} }
this.allocator.destroy(this);
this.* = undefined;
} }
pub fn handle(this: *@This(), event: Event) !*Events { pub fn handle(this: *@This(), event: Event) !*Events {

14
src/layout/HContainer.zig
View File

@@ -36,11 +36,12 @@ pub fn Layout(comptime Event: type, comptime Element: type, comptime Renderer: t
const Events = std.ArrayList(Event); const Events = std.ArrayList(Event);
return struct { return struct {
// TODO: current focused `Element`? // TODO: current focused `Element`?
allocator: std.mem.Allocator = undefined,
size: terminal.Size = undefined, size: terminal.Size = undefined,
containers: Containers = undefined, containers: Containers = undefined,
events: Events = undefined, events: Events = undefined,
pub fn init(allocator: std.mem.Allocator, children: anytype) @This() { pub fn init(allocator: std.mem.Allocator, children: anytype) *@This() {
const ArgsType = @TypeOf(children); const ArgsType = @TypeOf(children);
const args_type_info = @typeInfo(ArgsType); const args_type_info = @typeInfo(ArgsType);
if (args_type_info != .Struct) { if (args_type_info != .Struct) {
@@ -87,10 +88,11 @@ pub fn Layout(comptime Event: type, comptime Element: type, comptime Renderer: t
} }
@compileError("nested child: " ++ field.name ++ " is not of type " ++ @typeName(WidgetType) ++ " or " ++ @typeName(LayoutType) ++ " but " ++ @typeName(ChildType)); @compileError("nested child: " ++ field.name ++ " is not of type " ++ @typeName(WidgetType) ++ " or " ++ @typeName(LayoutType) ++ " but " ++ @typeName(ChildType));
} }
return .{ const layout = allocator.create(@This()) catch @panic("OOM");
.containers = containers, layout.allocator = allocator;
.events = Events.init(allocator), layout.containers = containers;
}; layout.events = Events.init(allocator);
return layout;
} }
pub fn deinit(this: *@This()) void { pub fn deinit(this: *@This()) void {
@@ -106,6 +108,8 @@ pub fn Layout(comptime Event: type, comptime Element: type, comptime Renderer: t
} }
} }
this.containers.deinit(); this.containers.deinit();
this.allocator.destroy(this);
this.* = undefined;
} }
pub fn handle(this: *@This(), event: Event) !*Events { pub fn handle(this: *@This(), event: Event) !*Events {

14
src/layout/HStack.zig
View File

@@ -30,11 +30,12 @@ pub fn Layout(comptime Event: type, comptime Element: type, comptime Renderer: t
const Events = std.ArrayList(Event); const Events = std.ArrayList(Event);
return struct { return struct {
// TODO: current focused `Element`? // TODO: current focused `Element`?
allocator: std.mem.Allocator = undefined,
size: terminal.Size = undefined, size: terminal.Size = undefined,
elements: Elements = undefined, elements: Elements = undefined,
events: Events = undefined, events: Events = undefined,
pub fn init(allocator: std.mem.Allocator, children: anytype) @This() { pub fn init(allocator: std.mem.Allocator, children: anytype) *@This() {
const ArgsType = @TypeOf(children); const ArgsType = @TypeOf(children);
const args_type_info = @typeInfo(ArgsType); const args_type_info = @typeInfo(ArgsType);
if (args_type_info != .Struct) { if (args_type_info != .Struct) {
@@ -55,10 +56,11 @@ pub fn Layout(comptime Event: type, comptime Element: type, comptime Renderer: t
} }
@compileError("child: " ++ field.name ++ " is not of type " ++ @typeName(WidgetType) ++ " or " ++ @typeName(LayoutType) ++ " but " ++ @typeName(ChildType)); @compileError("child: " ++ field.name ++ " is not of type " ++ @typeName(WidgetType) ++ " or " ++ @typeName(LayoutType) ++ " but " ++ @typeName(ChildType));
} }
return .{ const layout = allocator.create(@This()) catch @panic("OOM");
.elements = elements, layout.allocator = allocator;
.events = Events.init(allocator), layout.elements = elements;
}; layout.events = Events.init(allocator);
return layout;
} }
pub fn deinit(this: *@This()) void { pub fn deinit(this: *@This()) void {
@@ -74,6 +76,8 @@ pub fn Layout(comptime Event: type, comptime Element: type, comptime Renderer: t
} }
} }
this.elements.deinit(); this.elements.deinit();
this.allocator.destroy(this);
this.* = undefined;
} }
pub fn handle(this: *@This(), event: Event) !*Events { pub fn handle(this: *@This(), event: Event) !*Events {

16
src/layout/Margin.zig
View File

@@ -26,6 +26,7 @@ pub fn Layout(comptime Event: type, comptime Element: type, comptime Renderer: t
} }
const Events = std.ArrayList(Event); const Events = std.ArrayList(Event);
return struct { return struct {
allocator: std.mem.Allocator = undefined,
size: terminal.Size = undefined, size: terminal.Size = undefined,
require_render: bool = false, require_render: bool = false,
element: Element = undefined, element: Element = undefined,
@@ -40,18 +41,19 @@ pub fn Layout(comptime Event: type, comptime Element: type, comptime Renderer: t
bottom: u8 = 0, bottom: u8 = 0,
}; };
pub fn init(allocator: std.mem.Allocator, config: Config, element: Element) @This() { pub fn init(allocator: std.mem.Allocator, config: Config, element: Element) *@This() {
if (config.margin) |margin| { if (config.margin) |margin| {
std.debug.assert(margin <= 50); std.debug.assert(margin <= 50);
} else { } else {
std.debug.assert(config.left + config.right < 100); std.debug.assert(config.left + config.right < 100);
std.debug.assert(config.top + config.bottom < 100); std.debug.assert(config.top + config.bottom < 100);
} }
return .{ const layout = allocator.create(@This()) catch @panic("OOM");
.config = config, layout.allocator = allocator;
.element = element, layout.config = config;
.events = Events.init(allocator), layout.element = element;
}; layout.events = Events.init(allocator);
return layout;
} }
pub fn deinit(this: *@This()) void { pub fn deinit(this: *@This()) void {
@@ -64,6 +66,8 @@ pub fn Layout(comptime Event: type, comptime Element: type, comptime Renderer: t
widget.deinit(); widget.deinit();
}, },
} }
this.allocator.destroy(this);
this.* = undefined;
} }
pub fn handle(this: *@This(), event: Event) !*Events { pub fn handle(this: *@This(), event: Event) !*Events {

16
src/layout/Padding.zig
View File

@@ -26,6 +26,7 @@ pub fn Layout(comptime Event: type, comptime Element: type, comptime Renderer: t
} }
const Events = std.ArrayList(Event); const Events = std.ArrayList(Event);
return struct { return struct {
allocator: std.mem.Allocator = undefined,
size: terminal.Size = undefined, size: terminal.Size = undefined,
require_render: bool = false, require_render: bool = false,
element: Element = undefined, element: Element = undefined,
@@ -40,12 +41,13 @@ pub fn Layout(comptime Event: type, comptime Element: type, comptime Renderer: t
bottom: u16 = 0, bottom: u16 = 0,
}; };
pub fn init(allocator: std.mem.Allocator, config: Config, element: Element) @This() { pub fn init(allocator: std.mem.Allocator, config: Config, element: Element) *@This() {
return .{ const layout = allocator.create(@This()) catch @panic("OOM");
.config = config, layout.allocator = allocator;
.element = element, layout.config = config;
.events = Events.init(allocator), layout.element = element;
}; layout.events = Events.init(allocator);
return layout;
} }
pub fn deinit(this: *@This()) void { pub fn deinit(this: *@This()) void {
@@ -58,6 +60,8 @@ pub fn Layout(comptime Event: type, comptime Element: type, comptime Renderer: t
widget.deinit(); widget.deinit();
}, },
} }
this.allocator.destroy(this);
this.* = undefined;
} }
pub fn handle(this: *@This(), event: Event) !*Events { pub fn handle(this: *@This(), event: Event) !*Events {

14
src/layout/VContainer.zig
View File

@@ -36,11 +36,12 @@ pub fn Layout(comptime Event: type, comptime Element: type, comptime Renderer: t
const Events = std.ArrayList(Event); const Events = std.ArrayList(Event);
return struct { return struct {
// TODO: current focused `Element`? // TODO: current focused `Element`?
allocator: std.mem.Allocator = undefined,
size: terminal.Size = undefined, size: terminal.Size = undefined,
containers: Containers = undefined, containers: Containers = undefined,
events: Events = undefined, events: Events = undefined,
pub fn init(allocator: std.mem.Allocator, children: anytype) @This() { pub fn init(allocator: std.mem.Allocator, children: anytype) *@This() {
const ArgsType = @TypeOf(children); const ArgsType = @TypeOf(children);
const args_type_info = @typeInfo(ArgsType); const args_type_info = @typeInfo(ArgsType);
if (args_type_info != .Struct) { if (args_type_info != .Struct) {
@@ -87,10 +88,11 @@ pub fn Layout(comptime Event: type, comptime Element: type, comptime Renderer: t
} }
@compileError("nested child: " ++ field.name ++ " is not of type " ++ @typeName(WidgetType) ++ " or " ++ @typeName(LayoutType) ++ " but " ++ @typeName(ChildType)); @compileError("nested child: " ++ field.name ++ " is not of type " ++ @typeName(WidgetType) ++ " or " ++ @typeName(LayoutType) ++ " but " ++ @typeName(ChildType));
} }
return .{ const layout = allocator.create(@This()) catch @panic("OOM");
.containers = containers, layout.allocator = allocator;
.events = Events.init(allocator), layout.containers = containers;
}; layout.events = Events.init(allocator);
return layout;
} }
pub fn deinit(this: *@This()) void { pub fn deinit(this: *@This()) void {
@@ -106,6 +108,8 @@ pub fn Layout(comptime Event: type, comptime Element: type, comptime Renderer: t
} }
} }
this.containers.deinit(); this.containers.deinit();
this.allocator.destroy(this);
this.* = undefined;
} }
pub fn handle(this: *@This(), event: Event) !*Events { pub fn handle(this: *@This(), event: Event) !*Events {

14
src/layout/VStack.zig
View File

@@ -30,11 +30,12 @@ pub fn Layout(comptime Event: type, comptime Element: type, comptime Renderer: t
const Events = std.ArrayList(Event); const Events = std.ArrayList(Event);
return struct { return struct {
// TODO: current focused `Element`? // TODO: current focused `Element`?
allocator: std.mem.Allocator = undefined,
size: terminal.Size = undefined, size: terminal.Size = undefined,
elements: Elements = undefined, elements: Elements = undefined,
events: Events = undefined, events: Events = undefined,
pub fn init(allocator: std.mem.Allocator, children: anytype) @This() { pub fn init(allocator: std.mem.Allocator, children: anytype) *@This() {
const ArgsType = @TypeOf(children); const ArgsType = @TypeOf(children);
const args_type_info = @typeInfo(ArgsType); const args_type_info = @typeInfo(ArgsType);
if (args_type_info != .Struct) { if (args_type_info != .Struct) {
@@ -55,10 +56,11 @@ pub fn Layout(comptime Event: type, comptime Element: type, comptime Renderer: t
} }
@compileError("child: " ++ field.name ++ " is not of type " ++ @typeName(WidgetType) ++ " or " ++ @typeName(LayoutType) ++ " but " ++ @typeName(ChildType)); @compileError("child: " ++ field.name ++ " is not of type " ++ @typeName(WidgetType) ++ " or " ++ @typeName(LayoutType) ++ " but " ++ @typeName(ChildType));
} }
return .{ const layout = allocator.create(@This()) catch @panic("OOM");
.elements = elements, layout.allocator = allocator;
.events = Events.init(allocator), layout.elements = elements;
}; layout.events = Events.init(allocator);
return layout;
} }
pub fn deinit(this: *@This()) void { pub fn deinit(this: *@This()) void {
@@ -74,6 +76,8 @@ pub fn Layout(comptime Event: type, comptime Element: type, comptime Renderer: t
} }
} }
this.elements.deinit(); this.elements.deinit();
this.allocator.destroy(this);
this.* = undefined;
} }
pub fn handle(this: *@This(), event: Event) !*Events { pub fn handle(this: *@This(), event: Event) !*Events {

13
src/widget/RawText.zig
View File

@@ -14,13 +14,14 @@ pub fn Widget(comptime Event: type, comptime Renderer: type) type {
} }
const Contents = std.ArrayList(u8); const Contents = std.ArrayList(u8);
return struct { return struct {
allocator: std.mem.Allocator = undefined,
contents: Contents = undefined, contents: Contents = undefined,
line_index: std.ArrayList(usize) = undefined, line_index: std.ArrayList(usize) = undefined,
line: usize = 0, line: usize = 0,
size: terminal.Size = undefined, size: terminal.Size = undefined,
require_render: bool = false, require_render: bool = false,
pub fn init(allocator: std.mem.Allocator, file: std.fs.File) @This() { pub fn init(allocator: std.mem.Allocator, file: std.fs.File) *@This() {
var contents = Contents.init(allocator); var contents = Contents.init(allocator);
var line_index = std.ArrayList(usize).init(allocator); var line_index = std.ArrayList(usize).init(allocator);
file.reader().readAllArrayList(&contents, std.math.maxInt(usize)) catch {}; file.reader().readAllArrayList(&contents, std.math.maxInt(usize)) catch {};
@@ -30,15 +31,17 @@ pub fn Widget(comptime Event: type, comptime Renderer: type) type {
line_index.append(i + 1) catch {}; line_index.append(i + 1) catch {};
} }
} }
return .{ const widget = allocator.create(@This()) catch @panic("OOM");
.contents = contents, widget.allocator = allocator;
.line_index = line_index, widget.contents = contents;
}; widget.line_index = line_index;
return widget;
} }
pub fn deinit(this: *@This()) void { pub fn deinit(this: *@This()) void {
this.contents.deinit(); this.contents.deinit();
this.line_index.deinit(); this.line_index.deinit();
this.allocator.destroy(this);
this.* = undefined; this.* = undefined;
} }

8
src/widget/Spacer.zig
View File

@@ -11,14 +11,18 @@ pub fn Widget(comptime Event: type, comptime Renderer: type) type {
@compileError("Provided user event `Event` for `Layout(comptime Event: type)` is not of type `union(enum)`."); @compileError("Provided user event `Event` for `Layout(comptime Event: type)` is not of type `union(enum)`.");
} }
return struct { return struct {
allocator: std.mem.Allocator = undefined,
size: terminal.Size = undefined, size: terminal.Size = undefined,
size_changed: bool = false, size_changed: bool = false,
pub fn init() @This() { pub fn init(allocator: std.mem.Allocator) *@This() {
return .{}; const widget = allocator.create(@This()) catch @panic("OOM");
widget.allocator = allocator;
return widget;
} }
pub fn deinit(this: *@This()) void { pub fn deinit(this: *@This()) void {
this.allocator.destroy(this);
this.* = undefined; this.* = undefined;
} }

13
src/widget/Text.zig
View File

@@ -12,6 +12,7 @@ pub fn Widget(comptime Event: type, comptime Renderer: type) type {
@compileError("Provided user event `Event` for `Layout(comptime Event: type)` is not of type `union(enum)`."); @compileError("Provided user event `Event` for `Layout(comptime Event: type)` is not of type `union(enum)`.");
} }
return struct { return struct {
allocator: std.mem.Allocator = undefined,
alignment: Alignment = undefined, alignment: Alignment = undefined,
contents: []const Cell = undefined, contents: []const Cell = undefined,
size: terminal.Size = undefined, size: terminal.Size = undefined,
@@ -26,14 +27,16 @@ pub fn Widget(comptime Event: type, comptime Renderer: type) type {
right, right,
}; };
pub fn init(alignment: Alignment, contents: []const Cell) @This() { pub fn init(allocator: std.mem.Allocator, alignment: Alignment, contents: []const Cell) *@This() {
return .{ const widget = allocator.create(@This()) catch @panic("OOM");
.alignment = alignment, widget.allocator = allocator;
.contents = contents, widget.alignment = alignment;
}; widget.contents = contents;
return widget;
} }
pub fn deinit(this: *@This()) void { pub fn deinit(this: *@This()) void {
this.allocator.destroy(this);
this.* = undefined; this.* = undefined;
} }