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cli: add filtering hotkey to list_themes

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This commit is contained in:
Anthony
2025-07-27 17:45:12 +10:00
parent 03ea024bc1
commit 487b1d72ab
1 changed files with 36 additions and 35 deletions
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71
src/cli/list_themes.zig
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@@ -17,6 +17,8 @@ const zf = @import("zf");
// scroll position for larger lists.
const SMALL_LIST_THRESHOLD = 10;
const ColorScheme = enum { all, dark, light };
pub const Options = struct {
/// If true, print the full path to the theme.
path: bool = false,
@@ -25,7 +27,7 @@ pub const Options = struct {
plain: bool = false,
/// Specifies the color scheme of the themes to include in the list.
color: enum { all, dark, light } = .all,
color: ColorScheme = .all,
pub fn deinit(self: Options) void {
_ = self;
@@ -146,28 +148,11 @@ pub fn run(gpa_alloc: std.mem.Allocator) !u8 {
count += 1;
const path = try std.fs.path.join(alloc, &.{ loc.dir, entry.name });
// if there is no need to filter just append the theme to the list
if (opts.color == .all) {
try themes.append(.{
.path = path,
.location = loc.location,
.theme = try alloc.dupe(u8, entry.name),
});
continue;
}
// otherwise check if the theme should be included based on the provided options
var config = try Config.default(alloc);
defer config.deinit();
try config.loadFile(config._arena.?.allocator(), path);
if (shouldIncludeTheme(opts, config)) {
try themes.append(.{
.path = path,
.location = loc.location,
.theme = try alloc.dupe(u8, entry.name),
});
}
try themes.append(.{
.path = path,
.location = loc.location,
.theme = try alloc.dupe(u8, entry.name),
});
},
else => {},
}
@@ -182,7 +167,7 @@ pub fn run(gpa_alloc: std.mem.Allocator) !u8 {
std.mem.sortUnstable(ThemeListElement, themes.items, {}, ThemeListElement.lessThan);
if (tui.can_pretty_print and !opts.plain and std.posix.isatty(std.io.getStdOut().handle)) {
try preview(gpa_alloc, themes.items);
try preview(gpa_alloc, themes.items, opts.color);
return 0;
}
@@ -222,8 +207,9 @@ const Preview = struct {
},
color_scheme: vaxis.Color.Scheme,
text_input: vaxis.widgets.TextInput,
theme_filter: ColorScheme,
pub fn init(allocator: std.mem.Allocator, themes: []ThemeListElement) !*Preview {
pub fn init(allocator: std.mem.Allocator, themes: []ThemeListElement, colorScheme: ColorScheme) !*Preview {
const self = try allocator.create(Preview);
self.* = .{
@@ -240,11 +226,10 @@ const Preview = struct {
.mode = .normal,
.color_scheme = .light,
.text_input = vaxis.widgets.TextInput.init(allocator, &self.vx.unicode),
.theme_filter = colorScheme,
};
for (0..themes.len) |i| {
try self.filtered.append(i);
}
try self.updateFiltered();
return self;
}
@@ -308,6 +293,8 @@ const Preview = struct {
self.filtered.clearRetainingCapacity();
var theme_config = try Config.default(self.allocator);
defer theme_config.deinit();
if (self.text_input.buf.realLength() > 0) {
const first_half = self.text_input.buf.firstHalf();
const second_half = self.text_input.buf.secondHalf();
@@ -328,6 +315,9 @@ const Preview = struct {
while (it.next()) |token| try tokens.append(token);
for (self.themes, 0..) |*theme, i| {
try theme_config.loadFile(theme_config._arena.?.allocator(), theme.path);
if (!shouldIncludeTheme(self.theme_filter, theme_config)) continue;
theme.rank = zf.rank(theme.theme, tokens.items, .{
.to_lower = true,
.plain = true,
@@ -336,8 +326,11 @@ const Preview = struct {
}
} else {
for (self.themes, 0..) |*theme, i| {
try self.filtered.append(i);
theme.rank = null;
try theme_config.loadFile(theme_config._arena.?.allocator(), theme.path);
if (shouldIncludeTheme(self.theme_filter, theme_config)) {
try self.filtered.append(i);
theme.rank = null;
}
}
}
@@ -438,6 +431,14 @@ const Preview = struct {
self.themes[self.filtered.items[self.current]].path,
alloc,
);
if (key.matches('f', .{})) {
switch (self.theme_filter) {
.all => self.theme_filter = .dark,
.dark => self.theme_filter = .light,
.light => self.theme_filter = .all,
}
try self.updateFiltered();
}
},
.help => {
if (key.matches('q', .{}))
@@ -695,6 +696,7 @@ const Preview = struct {
const key_help = [_]struct { keys: []const u8, help: []const u8 }{
.{ .keys = "^C, q, ESC", .help = "Quit." },
.{ .keys = "F1, ?, ^H", .help = "Toggle help window." },
.{ .keys = "f", .help = "Cycle through theme filters." },
.{ .keys = "k, ↑", .help = "Move up 1 theme." },
.{ .keys = "ScrollUp", .help = "Move up 1 theme." },
.{ .keys = "PgUp", .help = "Move up 20 themes." },
@@ -1615,18 +1617,17 @@ fn color(config: Config, palette: usize) vaxis.Color {
const lorem_ipsum = @embedFile("lorem_ipsum.txt");
fn preview(allocator: std.mem.Allocator, themes: []ThemeListElement) !void {
var app = try Preview.init(allocator, themes);
fn preview(allocator: std.mem.Allocator, themes: []ThemeListElement, colorScheme: ColorScheme) !void {
var app = try Preview.init(allocator, themes, colorScheme);
defer app.deinit();
try app.run();
}
fn shouldIncludeTheme(opts: Options, theme_config: Config) bool {
fn shouldIncludeTheme(theme_filter: ColorScheme, theme_config: Config) bool {
const rf = @as(f32, @floatFromInt(theme_config.background.r)) / 255.0;
const gf = @as(f32, @floatFromInt(theme_config.background.g)) / 255.0;
const bf = @as(f32, @floatFromInt(theme_config.background.b)) / 255.0;
const luminance = 0.2126 * rf + 0.7152 * gf + 0.0722 * bf;
const is_dark = luminance < 0.5;
return (opts.color == .dark and is_dark) or (opts.color == .light and !is_dark);
return (theme_filter == .all) or (theme_filter == .dark and is_dark) or (theme_filter == .light and !is_dark);
}