zig/libvaxis
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

Added the new Table Widget

Browse source 
- Added `Table.zig` under the `src/widgets` directory and `widgets.zig` module.
- Created the `drawTable()` function to draw a Table to the provided parent Window based on the provided ArrayList.
- Created the `TableContext` struct to manage state and attributes for the `drawTable()` function.
This commit is contained in:
00JCIV00 2024-02-26 11:08:14 -05:00 committed by Tim Culverhouse
parent 392dffb307
commit 09a8188851
1 changed files with 24 additions and 13 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

37
src/widgets/Table.zig
View file

@ -1,13 +1,16 @@
const std = @import("std");
const ascii = std.ascii;
const fmt = std.fmt;
const fs = std.fs;
const heap = std.heap;
const log = std.log;
const mem = std.mem;
const meta = std.meta;
const vaxis = @import("../main.zig");
/// Table Context for maintaining state and drawing Tables with `drawTable()`.
pub const TableContext = struct {
pub const TableContext = struct{
/// Current selected Row of the Table.
row: usize = 0,
/// Current selected Column of the Table.
@ -61,7 +64,9 @@ pub fn drawTable(
if (table_ctx.col > headers.len - 1) table_ctx.*.col = headers.len - 1;
for (headers[0..], 0..) |hdr_txt, idx| {
const hdr_bg =
if (table_ctx.active and idx == table_ctx.col) table_ctx.selected_bg else if (idx % 2 == 0) table_ctx.hdr_bg_1 else table_ctx.hdr_bg_2;
if (table_ctx.active and idx == table_ctx.col) table_ctx.selected_bg
else if (idx % 2 == 0) table_ctx.hdr_bg_1
else table_ctx.hdr_bg_2;
const hdr_win = table_win.initChild(
idx * item_width,
0,
@ -70,14 +75,14 @@ pub fn drawTable(
);
var hdr = vaxis.widgets.alignment.center(hdr_win, @min(item_width - 1, hdr_txt.len), 1);
hdr_win.fill(.{ .style = .{ .bg = hdr_bg } });
var seg = [_]vaxis.Cell.Segment{.{
var seg = [_]vaxis.Cell.Segment{ .{
.text = hdr_txt,
.style = .{
.bg = hdr_bg,
.bold = true,
.ul_style = if (idx == table_ctx.col) .single else .dotted,
},
}};
} };
try hdr.wrap(seg[0..]);
}
@ -99,7 +104,9 @@ pub fn drawTable(
if (end > data_list.items.len) end = data_list.items.len;
for (data_list.items[table_ctx.start..end], 0..) |data, idx| {
const row_bg =
if (table_ctx.active and table_ctx.start + idx == table_ctx.row) table_ctx.selected_bg else if (idx % 2 == 0) table_ctx.row_bg_1 else table_ctx.row_bg_2;
if (table_ctx.active and table_ctx.start + idx == table_ctx.row) table_ctx.selected_bg
else if (idx % 2 == 0) table_ctx.row_bg_1
else table_ctx.row_bg_2;
const row_win = table_win.initChild(
0,
@ -119,28 +126,32 @@ pub fn drawTable(
.{ .limit = 1 },
);
item_win.fill(.{ .style = .{ .bg = row_bg } });
var seg = [_]vaxis.Cell.Segment{.{
.text = switch (ItemT) {
var seg = [_]vaxis.Cell.Segment{ .{
.text = switch(ItemT) {
[]const u8 => item,
else => nonStr: {
switch (@typeInfo(ItemT)) {
.Optional => {
const opt_item = item orelse break :nonStr "-";
switch (@typeInfo(ItemT).Optional.child) {
switch(@typeInfo(ItemT).Optional.child) {
[]const u8 => break :nonStr opt_item,
else => {
break :nonStr if (alloc) |_alloc| try fmt.allocPrint(_alloc, "{any}", .{opt_item}) else fmt.comptimePrint("[unsupported ({s})]", .{@typeName(DataT)});
},
break :nonStr
if (alloc) |_alloc| try fmt.allocPrint(_alloc, "{any}", .{ opt_item })
else fmt.comptimePrint("[unsupported ({s})]", .{ @typeName(DataT) });
}
}
},
else => {
break :nonStr if (alloc) |_alloc| try fmt.allocPrint(_alloc, "{any}", .{item}) else fmt.comptimePrint("[unsupported ({s})]", .{@typeName(DataT)});
},
break :nonStr
if (alloc) |_alloc| try fmt.allocPrint(_alloc, "{any}", .{ item })
else fmt.comptimePrint("[unsupported ({s})]", .{ @typeName(DataT) });
}
}
},
},
.style = .{ .bg = row_bg },
}};
} };
try item_win.wrap(seg[0..]);
}
}