102 lines
3 KiB
Zig
102 lines
3 KiB
Zig
const std = @import("std");
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const Allocator = std.mem.Allocator;
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const nc = @import("notcurses");
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const tp = @import("thespian");
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const tracy = @import("tracy");
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const Widget = @import("../Widget.zig");
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const command = @import("../command.zig");
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const tui = @import("../tui.zig");
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const EventHandler = @import("../EventHandler.zig");
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parent: nc.Plane,
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plane: nc.Plane,
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ctrl: bool = false,
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shift: bool = false,
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alt: bool = false,
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hover: bool = false,
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const Self = @This();
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pub const width = 5;
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pub fn create(a: Allocator, parent: nc.Plane) !Widget {
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const self: *Self = try a.create(Self);
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self.* = try init(parent);
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try tui.current().input_listeners.add(EventHandler.bind(self, listen));
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return self.widget();
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}
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fn init(parent: nc.Plane) !Self {
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var n = try nc.Plane.init(&(Widget.Box{}).opts(@typeName(Self)), parent);
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errdefer n.deinit();
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return .{
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.parent = parent,
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.plane = n,
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};
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}
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pub fn widget(self: *Self) Widget {
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return Widget.to(self);
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}
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pub fn deinit(self: *Self, a: Allocator) void {
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tui.current().input_listeners.remove_ptr(self);
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self.plane.deinit();
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a.destroy(self);
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}
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pub fn layout(_: *Self) Widget.Layout {
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return .{ .static = width };
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}
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pub fn render(self: *Self, theme: *const Widget.Theme) bool {
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const frame = tracy.initZone(@src(), .{ .name = @typeName(@This()) ++ " render" });
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defer frame.deinit();
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tui.set_base_style(&self.plane, " ", if (self.hover) theme.statusbar_hover else theme.statusbar);
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self.plane.erase();
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self.plane.home();
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_ = self.plane.print("\u{2003}{s}{s}{s}\u{2003}", .{
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mode(self.ctrl, "Ⓒ", "🅒"),
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mode(self.shift, "Ⓢ", "🅢"),
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mode(self.alt, "Ⓐ", "🅐"),
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}) catch {};
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return false;
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}
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inline fn mode(state: bool, off: [:0]const u8, on: [:0]const u8) [:0]const u8 {
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return if (state) on else off;
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}
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fn render_modifier(self: *Self, state: bool, off: [:0]const u8, on: [:0]const u8) void {
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_ = self.plane.putstr(if (state) on else off) catch {};
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}
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fn set_modifiers(self: *Self, key: u32, mods: u32) void {
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const modifiers = switch (key) {
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nc.key.LCTRL, nc.key.RCTRL => mods ^ nc.mod.CTRL,
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nc.key.LSHIFT, nc.key.RSHIFT => mods ^ nc.mod.SHIFT,
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nc.key.LALT, nc.key.RALT => mods ^ nc.mod.ALT,
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else => mods,
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};
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self.ctrl = nc.isCtrl(modifiers);
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self.shift = nc.isShift(modifiers);
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self.alt = nc.isAlt(modifiers);
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}
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pub fn listen(self: *Self, _: tp.pid_ref, m: tp.message) tp.result {
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var key: u32 = 0;
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var mod: u32 = 0;
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if (try m.match(.{ "I", tp.any, tp.extract(&key), tp.any, tp.any, tp.extract(&mod), tp.more }))
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self.set_modifiers(key, mod);
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}
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pub fn receive(self: *Self, _: tp.pid_ref, m: tp.message) error{Exit}!bool {
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if (try m.match(.{ "B", nc.event_type.PRESS, nc.key.BUTTON1, tp.any, tp.any, tp.any, tp.any, tp.any })) {
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command.executeName("toggle_inputview", .{}) catch {};
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return true;
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}
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return try m.match(.{ "H", tp.extract(&self.hover) });
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}
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