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feat: add support for menu header widgets

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CJ van den Berg 2024-03-28 22:02:45 +01:00
parent 0def007748
commit d4066ad396
2 changed files with 16 additions and 2 deletions
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1
src/tui/Button.zig
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@ -1,7 +1,6 @@
const std = @import("std"); const std = @import("std");
const nc = @import("notcurses"); const nc = @import("notcurses");
const tp = @import("thespian"); const tp = @import("thespian");
const log = @import("log");
const Widget = @import("Widget.zig"); const Widget = @import("Widget.zig");
const command = @import("command.zig"); const command = @import("command.zig");

17
src/tui/Menu.zig
View file

@ -64,6 +64,7 @@ pub fn State(ctx_type: type) type {
selected: ?usize = null, selected: ?usize = null,
render_idx: usize = 0, render_idx: usize = 0,
selected_active: bool = false, selected_active: bool = false,
header_count: usize = 0,
const Self = @This(); const Self = @This();
const options_type = Options(ctx_type); const options_type = Options(ctx_type);
@ -74,6 +75,12 @@ pub fn State(ctx_type: type) type {
a.destroy(self); a.destroy(self);
} }
pub fn add_header(self: *Self, w_: Widget) !*Widget {
self.header_count += 1;
try self.menu.add(w_);
return &self.menu.widgets.items[self.menu.widgets.items.len - 1].widget;
}
pub fn add_item(self: *Self, label: []const u8) !void { pub fn add_item(self: *Self, label: []const u8) !void {
try self.menu.add(try Button.create(*Self, self.a, self.menu.parent, .{ try self.menu.add(try Button.create(*Self, self.a, self.menu.parent, .{
.ctx = self, .ctx = self,
@ -94,6 +101,13 @@ pub fn State(ctx_type: type) type {
})); }));
} }
pub fn reset_items(self: *Self) void {
for (self.menu.widgets.items, 0..) |*w, i|
if (i >= self.header_count)
w.widget.deinit(self.a);
self.menu.widgets.shrinkRetainingCapacity(self.header_count);
}
pub fn render(self: *Self, theme: *const Widget.Theme) bool { pub fn render(self: *Self, theme: *const Widget.Theme) bool {
return self.menu.render(theme); return self.menu.render(theme);
} }
@ -152,7 +166,8 @@ pub fn State(ctx_type: type) type {
pub fn activate_selected(self: *Self) void { pub fn activate_selected(self: *Self) void {
const selected = self.selected orelse return; const selected = self.selected orelse return;
self.selected_active = true; self.selected_active = true;
const button = self.menu.widgets.items[selected].widget.dynamic_cast(button_type) orelse return; const pos = selected + self.header_count;
const button = self.menu.widgets.items[pos].widget.dynamic_cast(button_type) orelse return;
button.opts.on_click(button.opts.ctx, button); button.opts.on_click(button.opts.ctx, button);
} }
}; };