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feat: add floating quick-scroll terminal boundary navigation targets #116 #155

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feat: add floating quick-scroll terminal boundary navigation targets #116 #155

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feat: add floating quick-scroll terminal boundary navigation targets …
prakshithamalla-art May 28, 2026
ec0ed98
Merge branch 'main' into feature-quick-scroll
prakshithamalla-art May 28, 2026
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29 changes: 29 additions & 0 deletions ui/app.js
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Original file line number Diff line number Diff line change
Expand Up @@ -3116,6 +3116,35 @@ function closeModal() {

// ─── Event Bindings ────────────────────────────────────────
function bindEvents() {
// ─── FLOATING QUICK-SCROLL NAVIGATION PANEL ENGINE (#116) ───
const terminalBodyElement = document.getElementById('terminal-body');
const btnScrollTop = document.getElementById('scroll-to-top');
const btnScrollBottom = document.getElementById('scroll-to-bottom');
const scrollActionsContainer = document.getElementById('terminal-scroll-actions');
const cliCommandInput = document.getElementById('cli-input');

// 1. Math modifier scroll event triggers
if (btnScrollTop && terminalBodyElement) {
btnScrollTop.addEventListener('click', () => {
terminalBodyElement.scrollTo({ top: 0, behavior: 'smooth' });
});
}

if (btnScrollBottom && terminalBodyElement) {
btnScrollBottom.addEventListener('click', () => {
terminalBodyElement.scrollTo({ top: terminalBodyElement.scrollHeight, behavior: 'smooth' });
});
}

// 2. Clear typing space visibility management (translucent on focus)
if (cliCommandInput && scrollActionsContainer) {
cliCommandInput.addEventListener('focus', () => {
scrollActionsContainer.classList.add('input-focused');
});
cliCommandInput.addEventListener('blur', () => {
scrollActionsContainer.classList.remove('input-focused');
});
}
// Terminal Search
const cliSearchInput = document.getElementById('cli-search-input');
if (cliSearchInput) {
Expand Down
13 changes: 13 additions & 0 deletions ui/index.html
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Expand Up @@ -250,6 +250,19 @@ <h2>Scripts</h2>
<span class="cli-prompt">$</span> <span class="cli-welcome-text">Welcome to DevShell. Select a
script to run, or type a command below.</span>
</div>
<div class="floating-scroll-actions" id="terminal-scroll-actions">
<button class="btn-scroll-target" id="scroll-to-top" title="Scroll to Top" aria-label="Scroll to top of terminal">
<svg xmlns="http://www.w3.org/2000/svg" width="14" height="14" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round">
<polyline points="18 15 12 9 6 15"></polyline>
</svg>
</button>
<button class="btn-scroll-target" id="scroll-to-bottom" title="Scroll to Bottom" aria-label="Scroll to bottom of terminal">
<svg xmlns="http://www.w3.org/2000/svg" width="14" height="14" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round">
<polyline points="6 9 12 15 18 9"></polyline>
</svg>
</button>
</div>
</div>
</div>
<div class="cli-input-bar">
<span class="cli-prompt-input">$</span>
Expand Down
47 changes: 46 additions & 1 deletion ui/style.css
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Original file line number Diff line number Diff line change
Expand Up @@ -2925,6 +2925,51 @@ body.debugger-open #app-main {
color: var(--text-secondary);
opacity: 0.8;
}
/* ─── FLOATING QUICK-SCROLL NAVIGATION COMPONENT (#116) ─── */
#terminal-body {
position: relative; /* Contextually anchors absolute layouts */
}

#terminal-scroll-actions {
position: absolute;
bottom: 16px;
right: 20px;
display: flex;
flex-direction: column;
gap: 6px;
z-index: 10;
transition: opacity 0.2s ease-in-out, transform 0.2s ease-in-out;
}

/* Make controllers translucent when typing to preserve viewport visibility */
#terminal-scroll-actions.input-focused {
opacity: 0.25;
}

#terminal-scroll-actions:hover {
opacity: 1.0 !important;
}

.btn-scroll-target {
background-color: var(--bg-secondary, #161b22);
border: 1px solid var(--border-color, #30363d);
color: var(--text-muted, #8b949e);
border-radius: 6px;
width: 28px;
height: 28px;
display: flex;
align-items: center;
justify-content: center;
cursor: pointer;
box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
transition: background-color 0.15s, color 0.15s, border-color 0.15s;
}

.btn-scroll-target:hover {
background-color: var(--border-color, #30363d);
color: var(--text-main, #c9d1d9);
border-color: var(--accent-blue, #58a6ff);
}
/* ─── LIGHT THEME OVERRIDES ─── */
body.light-theme {
background-color: #f8f9fa !important;
Expand Down Expand Up @@ -2986,4 +3031,4 @@ body.light-theme #analysis-panel {
body.light-theme .analysis-empty h3 {
color: #212529 !important;
}
/* ───────────────────────────── */
/* ───────────────────────────── */
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