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1const std = @import("std");
2const fmt = std.fmt;
3const heap = std.heap;
4const mem = std.mem;
5const meta = std.meta;
6
7const vaxis = @import("vaxis");
8
9const log = std.log.scoped(.main);
10
11const ActiveSection = enum {
12 top,
13 mid,
14 btm,
15};
16
17pub fn main() !void {
18 var gpa = heap.GeneralPurposeAllocator(.{}){};
19 defer if (gpa.detectLeaks()) log.err("Memory leak detected!", .{});
20 const alloc = gpa.allocator();
21
22 // Users set up below the main function
23 const users_buf = try alloc.dupe(User, users[0..]);
24
25 var buffer: [1024]u8 = undefined;
26 var tty = try vaxis.Tty.init(&buffer);
27 defer tty.deinit();
28 const tty_writer = tty.writer();
29 var vx = try vaxis.init(alloc, .{
30 .kitty_keyboard_flags = .{ .report_events = true },
31 });
32 defer vx.deinit(alloc, tty.writer());
33
34 var loop: vaxis.Loop(union(enum) {
35 key_press: vaxis.Key,
36 winsize: vaxis.Winsize,
37 table_upd,
38 }) = .{ .tty = &tty, .vaxis = &vx };
39 try loop.init();
40 try loop.start();
41 defer loop.stop();
42 try vx.enterAltScreen(tty.writer());
43 try vx.queryTerminal(tty.writer(), 250 * std.time.ns_per_ms);
44
45 const logo =
46 \\░█░█░█▀█░█░█░▀█▀░█▀▀░░░▀█▀░█▀█░█▀▄░█░░░█▀▀░
47 \\░▀▄▀░█▀█░▄▀▄░░█░░▀▀█░░░░█░░█▀█░█▀▄░█░░░█▀▀░
48 \\░░▀░░▀░▀░▀░▀░▀▀▀░▀▀▀░░░░▀░░▀░▀░▀▀░░▀▀▀░▀▀▀░
49 ;
50 const title_logo = vaxis.Cell.Segment{
51 .text = logo,
52 .style = .{},
53 };
54 const title_info = vaxis.Cell.Segment{
55 .text = "===A Demo of the the Vaxis Table Widget!===",
56 .style = .{},
57 };
58 const title_disclaimer = vaxis.Cell.Segment{
59 .text = "(All data is non-sensical & LLM generated.)",
60 .style = .{},
61 };
62 var title_segs = [_]vaxis.Cell.Segment{ title_logo, title_info, title_disclaimer };
63
64 var cmd_input = vaxis.widgets.TextInput.init(alloc);
65 defer cmd_input.deinit();
66
67 // Colors
68 const active_bg: vaxis.Cell.Color = .{ .rgb = .{ 64, 128, 255 } };
69 const selected_bg: vaxis.Cell.Color = .{ .rgb = .{ 32, 64, 255 } };
70 const other_bg: vaxis.Cell.Color = .{ .rgb = .{ 32, 32, 48 } };
71
72 // Table Context
73 var demo_tbl: vaxis.widgets.Table.TableContext = .{
74 .active_bg = active_bg,
75 .active_fg = .{ .rgb = .{ 0, 0, 0 } },
76 .row_bg_1 = .{ .rgb = .{ 8, 8, 8 } },
77 .selected_bg = selected_bg,
78 .header_names = .{ .custom = &.{ "First", "Last", "Username", "Phone#", "Email" } },
79 //.header_align = .left,
80 .col_indexes = .{ .by_idx = &.{ 0, 1, 2, 4, 3 } },
81 //.col_align = .{ .by_idx = &.{ .left, .left, .center, .center, .left } },
82 //.col_align = .{ .all = .center },
83 //.header_borders = true,
84 //.col_borders = true,
85 //.col_width = .{ .static_all = 15 },
86 //.col_width = .{ .dynamic_header_len = 3 },
87 //.col_width = .{ .static_individual = &.{ 10, 20, 15, 25, 15 } },
88 //.col_width = .dynamic_fill,
89 //.y_off = 10,
90 };
91 defer if (demo_tbl.sel_rows) |rows| alloc.free(rows);
92
93 // TUI State
94 var active: ActiveSection = .mid;
95 var moving = false;
96 var see_content = false;
97
98 // Create an Arena Allocator for easy allocations on each Event.
99 var event_arena = heap.ArenaAllocator.init(alloc);
100 defer event_arena.deinit();
101 while (true) {
102 defer _ = event_arena.reset(.retain_capacity);
103 defer tty_writer.flush() catch {};
104 const event_alloc = event_arena.allocator();
105 const event = loop.nextEvent();
106
107 switch (event) {
108 .key_press => |key| keyEvt: {
109 // Close the Program
110 if (key.matches('c', .{ .ctrl = true })) {
111 break;
112 }
113 // Refresh the Screen
114 if (key.matches('l', .{ .ctrl = true })) {
115 vx.queueRefresh();
116 break :keyEvt;
117 }
118 // Enter Moving State
119 if (key.matches('w', .{ .ctrl = true })) {
120 moving = !moving;
121 break :keyEvt;
122 }
123 // Command State
124 if (active != .btm and
125 key.matchesAny(&.{ ':', '/', 'g', 'G' }, .{}))
126 {
127 active = .btm;
128 cmd_input.clearAndFree();
129 try cmd_input.update(.{ .key_press = key });
130 break :keyEvt;
131 }
132
133 switch (active) {
134 .top => {
135 if (key.matchesAny(&.{ vaxis.Key.down, 'j' }, .{}) and moving) active = .mid;
136 },
137 .mid => midEvt: {
138 if (moving) {
139 if (key.matchesAny(&.{ vaxis.Key.up, 'k' }, .{})) active = .top;
140 if (key.matchesAny(&.{ vaxis.Key.down, 'j' }, .{})) active = .btm;
141 break :midEvt;
142 }
143 // Change Row
144 if (key.matchesAny(&.{ vaxis.Key.up, 'k' }, .{})) demo_tbl.row -|= 1;
145 if (key.matchesAny(&.{ vaxis.Key.down, 'j' }, .{})) demo_tbl.row +|= 1;
146 // Change Column
147 if (key.matchesAny(&.{ vaxis.Key.left, 'h' }, .{})) demo_tbl.col -|= 1;
148 if (key.matchesAny(&.{ vaxis.Key.right, 'l' }, .{})) demo_tbl.col +|= 1;
149 // Select/Unselect Row
150 if (key.matches(vaxis.Key.space, .{})) {
151 const rows = demo_tbl.sel_rows orelse createRows: {
152 demo_tbl.sel_rows = try alloc.alloc(u16, 1);
153 break :createRows demo_tbl.sel_rows.?;
154 };
155 var rows_list = std.ArrayList(u16).fromOwnedSlice(rows);
156 for (rows_list.items, 0..) |row, idx| {
157 if (row != demo_tbl.row) continue;
158 _ = rows_list.orderedRemove(idx);
159 break;
160 } else try rows_list.append(alloc, demo_tbl.row);
161 demo_tbl.sel_rows = try rows_list.toOwnedSlice(alloc);
162 }
163 // See Row Content
164 if (key.matches(vaxis.Key.enter, .{}) or key.matches('j', .{ .ctrl = true })) see_content = !see_content;
165 },
166 .btm => {
167 if (key.matchesAny(&.{ vaxis.Key.up, 'k' }, .{}) and moving) active = .mid
168 // Run Command and Clear Command Bar
169 else if (key.matchExact(vaxis.Key.enter, .{}) or key.matchExact('j', .{ .ctrl = true })) {
170 const cmd = try cmd_input.toOwnedSlice();
171 defer alloc.free(cmd);
172 if (mem.eql(u8, ":q", cmd) or
173 mem.eql(u8, ":quit", cmd) or
174 mem.eql(u8, ":exit", cmd)) return;
175 if (mem.eql(u8, "G", cmd)) {
176 demo_tbl.row = @intCast(users_buf.len - 1);
177 active = .mid;
178 }
179 if (cmd.len >= 2 and mem.eql(u8, "gg", cmd[0..2])) {
180 const goto_row = fmt.parseInt(u16, cmd[2..], 0) catch 0;
181 demo_tbl.row = goto_row;
182 active = .mid;
183 }
184 } else try cmd_input.update(.{ .key_press = key });
185 },
186 }
187 moving = false;
188 },
189 .winsize => |ws| try vx.resize(alloc, tty.writer(), ws),
190 else => {},
191 }
192
193 // Content
194 seeRow: {
195 if (!see_content) {
196 demo_tbl.active_content_fn = null;
197 demo_tbl.active_ctx = &{};
198 break :seeRow;
199 }
200 const RowContext = struct {
201 row: []const u8,
202 bg: vaxis.Color,
203 };
204 const row_ctx = RowContext{
205 .row = try fmt.allocPrint(event_alloc, "Row #: {d}", .{demo_tbl.row}),
206 .bg = demo_tbl.active_bg,
207 };
208 demo_tbl.active_ctx = &row_ctx;
209 demo_tbl.active_content_fn = struct {
210 fn see(win: *vaxis.Window, ctx_raw: *const anyopaque) !u16 {
211 const ctx: *const RowContext = @ptrCast(@alignCast(ctx_raw));
212 win.height = 5;
213 const see_win = win.child(.{
214 .x_off = 0,
215 .y_off = 1,
216 .width = win.width,
217 .height = 4,
218 });
219 see_win.fill(.{ .style = .{ .bg = ctx.bg } });
220 const content_logo =
221 \\
222 \\░█▀▄░█▀█░█░█░░░█▀▀░█▀█░█▀█░▀█▀░█▀▀░█▀█░▀█▀
223 \\░█▀▄░█░█░█▄█░░░█░░░█░█░█░█░░█░░█▀▀░█░█░░█░
224 \\░▀░▀░▀▀▀░▀░▀░░░▀▀▀░▀▀▀░▀░▀░░▀░░▀▀▀░▀░▀░░▀░
225 ;
226 const content_segs: []const vaxis.Cell.Segment = &.{
227 .{
228 .text = ctx.row,
229 .style = .{ .bg = ctx.bg },
230 },
231 .{
232 .text = content_logo,
233 .style = .{ .bg = ctx.bg },
234 },
235 };
236 _ = see_win.print(content_segs, .{});
237 return see_win.height;
238 }
239 }.see;
240 loop.postEvent(.table_upd);
241 }
242
243 // Sections
244 // - Window
245 const win = vx.window();
246 win.clear();
247
248 // - Top
249 const top_div = 6;
250 const top_bar = win.child(.{
251 .x_off = 0,
252 .y_off = 0,
253 .width = win.width,
254 .height = win.height / top_div,
255 });
256 for (title_segs[0..]) |*title_seg|
257 title_seg.style.bg = if (active == .top) selected_bg else other_bg;
258 top_bar.fill(.{ .style = .{
259 .bg = if (active == .top) selected_bg else other_bg,
260 } });
261 const logo_bar = vaxis.widgets.alignment.center(
262 top_bar,
263 44,
264 top_bar.height - (top_bar.height / 3),
265 );
266 _ = logo_bar.print(title_segs[0..], .{ .wrap = .word });
267
268 // - Middle
269 const middle_bar = win.child(.{
270 .x_off = 0,
271 .y_off = win.height / top_div,
272 .width = win.width,
273 .height = win.height - (top_bar.height + 1),
274 });
275 if (users_buf.len > 0) {
276 demo_tbl.active = active == .mid;
277 try vaxis.widgets.Table.drawTable(
278 null,
279 // event_alloc,
280 middle_bar,
281 //users_buf[0..],
282 //user_list,
283 users_buf,
284 &demo_tbl,
285 );
286 }
287
288 // - Bottom
289 const bottom_bar = win.child(.{
290 .x_off = 0,
291 .y_off = win.height - 1,
292 .width = win.width,
293 .height = 1,
294 });
295 if (active == .btm) bottom_bar.fill(.{ .style = .{ .bg = active_bg } });
296 cmd_input.draw(bottom_bar);
297
298 // Render the screen
299 try vx.render(tty_writer);
300 }
301}
302
303/// User Struct
304pub const User = struct {
305 first: []const u8,
306 last: []const u8,
307 user: []const u8,
308 email: ?[]const u8 = null,
309 phone: ?[]const u8 = null,
310};
311
312// Users Array
313const users = [_]User{
314 .{ .first = "Nancy", .last = "Dudley", .user = "angela73", .email = "brian47@rodriguez.biz", .phone = null },
315 .{ .first = "Emily", .last = "Thornton", .user = "mrogers", .email = null, .phone = "(558)888-8604x094" },
316 .{ .first = "Kyle", .last = "Huff", .user = "xsmith", .email = null, .phone = "301.127.0801x12398" },
317 .{ .first = "Christine", .last = "Dodson", .user = "amandabradley", .email = "cheryl21@sullivan.com", .phone = null },
318 .{ .first = "Nathaniel", .last = "Kennedy", .user = "nrobinson", .email = null, .phone = null },
319 .{ .first = "Laura", .last = "Leon", .user = "dawnjones", .email = "fjenkins@patel.com", .phone = "1833013180" },
320 .{ .first = "Patrick", .last = "Landry", .user = "michaelhutchinson", .email = "daniel17@medina-wallace.net", .phone = "+1-634-486-6444x964" },
321 .{ .first = "Tammy", .last = "Hall", .user = "jamessmith", .email = null, .phone = "(926)810-3385x22059" },
322 .{ .first = "Stephanie", .last = "Anderson", .user = "wgillespie", .email = "campbelljaime@yahoo.com", .phone = null },
323 .{ .first = "Jennifer", .last = "Williams", .user = "shawn60", .email = null, .phone = "611-385-4771x97523" },
324 .{ .first = "Elizabeth", .last = "Ortiz", .user = "jennifer76", .email = "johnbradley@delgado.info", .phone = null },
325 .{ .first = "Stacy", .last = "Mays", .user = "scottgonzalez", .email = "kramermatthew@gmail.com", .phone = null },
326 .{ .first = "Jennifer", .last = "Smith", .user = "joseph75", .email = "masseyalexander@hill-moore.net", .phone = null },
327 .{ .first = "Gary", .last = "Hammond", .user = "brittany26", .email = null, .phone = null },
328 .{ .first = "Lisa", .last = "Johnson", .user = "tina28", .email = null, .phone = "850-606-2978x1081" },
329 .{ .first = "Zachary", .last = "Hopkins", .user = "vargasmichael", .email = null, .phone = null },
330 .{ .first = "Joshua", .last = "Kidd", .user = "ghanna", .email = "jbrown@yahoo.com", .phone = null },
331 .{ .first = "Dawn", .last = "Jones", .user = "alisonlindsey", .email = null, .phone = null },
332 .{ .first = "Monica", .last = "Berry", .user = "barbara40", .email = "michael00@hotmail.com", .phone = "(295)346-6453x343" },
333 .{ .first = "Shannon", .last = "Roberts", .user = "krystal37", .email = null, .phone = "980-920-9386x454" },
334 .{ .first = "Thomas", .last = "Mitchell", .user = "williamscorey", .email = "richardduncan@roberts.com", .phone = null },
335 .{ .first = "Nicole", .last = "Shaffer", .user = "rogerstroy", .email = null, .phone = "(570)128-5662" },
336 .{ .first = "Edward", .last = "Bennett", .user = "andersonchristina", .email = null, .phone = null },
337 .{ .first = "Duane", .last = "Howard", .user = "pcarpenter", .email = "griffithwayne@parker.net", .phone = null },
338 .{ .first = "Mary", .last = "Brown", .user = "kimberlyfrost", .email = "perezsara@anderson-andrews.net", .phone = null },
339 .{ .first = "Pamela", .last = "Sloan", .user = "kvelez", .email = "huynhlacey@moore-bell.biz", .phone = "001-359-125-1393x8716" },
340 .{ .first = "Timothy", .last = "Charles", .user = "anthony04", .email = "morrissara@hawkins.info", .phone = "+1-619-369-9572" },
341 .{ .first = "Sydney", .last = "Torres", .user = "scott42", .email = "asnyder@mitchell.net", .phone = null },
342 .{ .first = "John", .last = "Jones", .user = "anthonymoore", .email = null, .phone = "701.236.0571x99622" },
343 .{ .first = "Erik", .last = "Johnson", .user = "allisonsanders", .email = null, .phone = null },
344 .{ .first = "Donna", .last = "Kirk", .user = "laurie81", .email = null, .phone = null },
345 .{ .first = "Karina", .last = "White", .user = "uperez", .email = null, .phone = null },
346 .{ .first = "Jesse", .last = "Schwartz", .user = "ryan60", .email = "latoyawilliams@gmail.com", .phone = null },
347 .{ .first = "Cindy", .last = "Romero", .user = "christopher78", .email = "faulknerchristina@gmail.com", .phone = "780.288.2319x583" },
348 .{ .first = "Tyler", .last = "Sanders", .user = "bennettjessica", .email = null, .phone = "1966269423" },
349 .{ .first = "Pamela", .last = "Carter", .user = "zsnyder", .email = null, .phone = "125-062-9130x58413" },
350};