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unconditional debounce

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This commit is contained in:
Emil Lerch 2026-03-19 11:12:43 -07:00
parent 43ab8d1957
commit d442119d70
Signed by: lobo
GPG key ID: A7B62D657EF764F8
1 changed files with 10 additions and 13 deletions
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23
src/tui.zig
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@ -350,11 +350,11 @@ pub const App = struct {
fn handleMouse(self: *App, ctx: *vaxis.vxfw.EventContext, mouse: vaxis.Mouse) void { fn handleMouse(self: *App, ctx: *vaxis.vxfw.EventContext, mouse: vaxis.Mouse) void {
switch (mouse.button) { switch (mouse.button) {
.wheel_up => { .wheel_up => {
self.moveBy(-3, true); self.moveBy(-3);
return ctx.consumeAndRedraw(); return ctx.consumeAndRedraw();
}, },
.wheel_down => { .wheel_down => {
self.moveBy(3, true); self.moveBy(3);
return ctx.consumeAndRedraw(); return ctx.consumeAndRedraw();
}, },
.left => { .left => {
@ -563,11 +563,11 @@ pub const App = struct {
} }
}, },
.select_next => { .select_next => {
self.moveBy(1, false); self.moveBy(1);
return ctx.consumeAndRedraw(); return ctx.consumeAndRedraw();
}, },
.select_prev => { .select_prev => {
self.moveBy(-1, false); self.moveBy(-1);
return ctx.consumeAndRedraw(); return ctx.consumeAndRedraw();
}, },
.expand_collapse => { .expand_collapse => {
@ -705,17 +705,14 @@ pub const App = struct {
} }
/// Move cursor/scroll. Positive = down, negative = up. /// Move cursor/scroll. Positive = down, negative = up.
/// For portfolio and options tabs, moves the row cursor by 1. /// For portfolio and options tabs, moves the row cursor by 1 with
/// debounce to absorb duplicate events from mouse wheel ticks.
/// For other tabs, adjusts scroll_offset by |n|. /// For other tabs, adjusts scroll_offset by |n|.
/// When from_wheel is true, debounces on cursor tabs to absorb fn moveBy(self: *App, n: isize) void {
/// duplicate events that terminals send per physical scroll tick.
fn moveBy(self: *App, n: isize, from_wheel: bool) void {
if (self.active_tab == .portfolio or self.active_tab == .options) { if (self.active_tab == .portfolio or self.active_tab == .options) {
if (from_wheel) { const now = std.time.nanoTimestamp();
const now = std.time.nanoTimestamp(); if (now - self.last_wheel_ns < 1 * std.time.ns_per_ms) return;
if (now - self.last_wheel_ns < 1 * std.time.ns_per_ms) return; self.last_wheel_ns = now;
self.last_wheel_ns = now;
}
if (self.active_tab == .portfolio) { if (self.active_tab == .portfolio) {
stepCursor(&self.cursor, self.portfolio_rows.items.len, n); stepCursor(&self.cursor, self.portfolio_rows.items.len, n);
self.ensureCursorVisible(); self.ensureCursorVisible();