Public Access
twislaandClaude Opus 5.5
879cb0d0b6
Steps 5 and 6 of M0. - lib/ui (host-tested): ListModel, LineEditor (UTF-8, byte-limited), wrapText, ToastQueue, DialogModel - lib/input (host-tested): KeyMapper turns keyboard state into logical keys (Fn arrows, ` Back, Fn+` Home) and composes accents with opt - src/ui: off-screen 16-bit frame pushed in one transfer (fixes the flicker), Status Bar, list, text, line editor, dialog, Toast widgets, Notifier (Toast + beep + LED), vendored public-domain Latin-1 fonts - Apps: minimal Launcher, Widget demo, Diagnostics (SD erase now behind a confirmation dialog) Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01EhqxQ49eCju4CzKYNjZzwT
45 lines
1.3 KiB
C++
45 lines
1.3 KiB
C++
#pragma once
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#include <string>
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#include <vector>
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#include "key_event.h"
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namespace roro {
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// A modal choice between buttons. The first button should be the safe one (e.g. "Cancel"):
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// it's highlighted initially, and Back always cancels.
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class DialogModel {
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public:
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static constexpr int kPending = -1;
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static constexpr int kCancelled = -2;
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explicit DialogModel(std::vector<std::string> buttons) : buttons_(std::move(buttons)) {}
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// Consumes every key while open.
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bool onKey(const KeyEvent& e) {
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if (result_ != kPending) return true;
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int last = static_cast<int>(buttons_.size()) - 1;
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switch (e.key) {
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case Key::Left: if (selected_ > 0) selected_--; break;
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case Key::Right: if (selected_ < last) selected_++; break;
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case Key::Tab: selected_ = selected_ == last ? 0 : selected_ + 1; break;
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case Key::Select: result_ = selected_; break;
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case Key::Back: result_ = kCancelled; break;
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default: break;
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}
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return true;
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}
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const std::vector<std::string>& buttons() const { return buttons_; }
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int selected() const { return selected_; }
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int result() const { return result_; }
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private:
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std::vector<std::string> buttons_;
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int selected_ = 0;
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int result_ = kPending;
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};
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} // namespace roro
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