44 lines
945 B
Zig
44 lines
945 B
Zig
const Tool = @import("Tool.zig");
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const Toolbar = @This();
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pub const ToolDescriptor = struct {
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name: []const u8,
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icon_tvg: []const u8,
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implementation: *const Tool.Tool,
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};
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tools: []const ToolDescriptor,
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selected_index: ?usize,
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pub fn init(tools_list: []const ToolDescriptor) Toolbar {
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return .{
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.tools = tools_list,
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.selected_index = null,
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};
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}
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pub fn deinit(_: *Toolbar) void {}
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pub fn currentDescriptor(self: *const Toolbar) ?*const ToolDescriptor {
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if (self.tools.len == 0) return null;
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if (self.selected_index) |index| {
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return &self.tools[index];
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}
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return null;
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}
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pub fn select(self: *Toolbar, index: ?usize) void {
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if (index == self.selected_index) {
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self.selected_index = null;
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return;
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}
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if (index) |i| {
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if (i < self.tools.len) {
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self.selected_index = i;
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}
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} else {
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self.selected_index = null;
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}
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}
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