Add drawing feature #34
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Fixes #2 --- For more details, open the [Copilot Workspace session](https://copilot-workspace.githubnext.com/harperreed/orbiting/issues/2?shareId=XXXX-XXXX-XXXX-XXXX).
WalkthroughThe changes introduce new drawing functionality to the Changes
Assessment against linked issues
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Hey @harperreed, here is an example of how you can ask me to improve this pull request: @Sweep Add unit tests for the `toggleDrawing` method to verify: 📖 For more information on how to use Sweep, please read our documentation. |
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Visit the preview URL for this PR (updated for commit ef09815): https://orbiting-14a48--pr34-add-drawing-nd8dx3dx.web.app (expires Sun, 10 Nov 2024 23:32:31 GMT) 🔥 via Firebase Hosting GitHub Action 🌎 Sign: 7dc3c0322897b88ddfaefe1e19ebdfa3f8942fc3 |
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sweep: can you debug why the drawing doesn't seem to work on desktop |
can you debug why the drawing doesn't seem to work on desktop Hey, @harperreed, I finished working on this. Here are the changes I made: 🚀 I've committed these changes to your branch via this PR! #34 Search Results
ResponseI'll help fix the drawing functionality on desktop by addressing the canvas sizing and coordinate mapping issues. Based on the existing patterns in the codebase, we need to properly handle canvas dimensions and add resize handling similar to how text resizing is handled. Let's modify the setupDrawingCanvas method to properly initialize and maintain canvas dimensions:
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Actionable comments posted: 8
🧹 Outside diff range comments (1)
content/_index.html (1)
Line range hint
1-5: Consider using clean URL formatThe URL
index.htmlincludes a file extension. Consider using a clean URL format (e.g.,/or/home) for better SEO and maintainability.
📜 Review details
Configuration used: CodeRabbit UI
Review profile: ASSERTIVE
📒 Files selected for processing (3)
assets/js/orbiting.js(2 hunks)assets/scss/components/_orbit.scss(1 hunks)content/_index.html(2 hunks)
🔇 Additional comments (1)
assets/js/orbiting.js (1)
86-90: Event Listener for Drawing Toggle Button Implemented Correctly
The event listener for the drawing toggle button is set up properly.
| @@ -15,6 +15,8 @@ | |||
| placeholder="type here" | |||
| ></div> | |||
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| <canvas id="drawingCanvas" style="display: none;"></canvas> | |||
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🛠️ Refactor suggestion
Enhance canvas accessibility and initialization
The canvas element needs:
- ARIA attributes for accessibility
- Explicit dimensions to prevent rendering issues
Apply this diff:
-<canvas id="drawingCanvas" style="display: none;"></canvas>
+<canvas
+ id="drawingCanvas"
+ style="display: none;"
+ aria-label="Drawing Canvas"
+ role="img"
+ width="100%"
+ height="100%">
+ Your browser does not support the canvas element.
+</canvas>📝 Committable suggestion
‼️ IMPORTANT
Carefully review the code before committing. Ensure that it accurately replaces the highlighted code, contains no missing lines, and has no issues with indentation. Thoroughly test & benchmark the code to ensure it meets the requirements.
| <canvas id="drawingCanvas" style="display: none;"></canvas> | |
| <canvas | |
| id="drawingCanvas" | |
| style="display: none;" | |
| aria-label="Drawing Canvas" | |
| role="img" | |
| width="100%" | |
| height="100%"> | |
| Your browser does not support the canvas element. | |
| </canvas> |
| <button id="toggleDrawingBtn" class="control-btn" title="Toggle Drawing"> | ||
| <span class="icon">🖌</span> | ||
| </button> |
There was a problem hiding this comment.
💡 Codebase verification
🛠️ Refactor suggestion
Add keyboard shortcut and improve toggle state handling
The verification reveals:
- The drawing functionality has proper mouse/touch event handling for both desktop and mobile
- Other controls already use keyboard shortcuts (e.g., Ctrl+H)
- The toggle implementation exists but doesn't maintain ARIA state
Apply this updated diff to address both accessibility and state management:
- <button id="toggleDrawingBtn" class="control-btn" title="Toggle Drawing">
+ <button
+ id="toggleDrawingBtn"
+ class="control-btn"
+ title="Toggle Drawing (Ctrl+D)"
+ aria-pressed="false"
+ aria-label="Toggle Drawing Mode">
<span class="icon">🖌</span>
</button>Additional changes needed in assets/js/orbiting.js:
- Add keyboard shortcut handler in the existing keydown listener:
case "d":
case "D":
e.preventDefault();
this.toggleDrawing();
break;- Update ARIA state in
toggleDrawing():
const drawingBtn = document.getElementById("toggleDrawingBtn");
drawingBtn.setAttribute("aria-pressed", !isDrawingEnabled);🔗 Analysis chain
Improve button accessibility and desktop support
- Add keyboard shortcut for consistency with other controls
- Add ARIA attributes for toggle state
Apply this diff:
- <button id="toggleDrawingBtn" class="control-btn" title="Toggle Drawing">
+ <button
+ id="toggleDrawingBtn"
+ class="control-btn"
+ title="Toggle Drawing (Ctrl+D)"
+ aria-pressed="false"
+ aria-label="Toggle Drawing Mode">
<span class="icon">🖌</span>
</button>Let's verify the desktop compatibility issue mentioned in the PR:
🏁 Scripts executed
The following scripts were executed for the analysis:
Script:
#!/bin/bash
# Search for mouse/touch event handlers in JS files
echo "Checking event handlers in JS files..."
rg -A 5 "addEventListener\((('mouse|touch)|(`mouse|touch))"
# Check if there are separate desktop/mobile handlers
echo "Checking for platform-specific code..."
rg -A 5 "(navigator\.maxTouchPoints|ontouchstart|userAgent)"
Length of output: 180
Script:
#!/bin/bash
# Search for mouse/touch event handlers in JS files with correct syntax
echo "Checking event handlers in JS files..."
rg -A 5 "addEventListener\([\'\"](?:mouse|touch)"
# Check for platform-specific code with correct syntax
echo "Checking for platform-specific code..."
rg -A 5 "(?:navigator\.maxTouchPoints|ontouchstart|userAgent)"
# Look for any drawing-related event handlers
echo "Checking drawing-related event handlers..."
rg -A 5 "toggleDrawingBtn"
Length of output: 1077
Script:
#!/bin/bash
# Search for mouse/touch event handlers with simpler pattern
echo "Checking event handlers in JS files..."
rg "addEventListener.*mouse|addEventListener.*touch" -A 5
# Look at the full context of drawing-related code
echo "Checking drawing toggle implementation..."
rg "toggleDrawing" -B 5 -A 10 assets/js/orbiting.js
# Check for keyboard event handlers
echo "Checking keyboard shortcuts..."
rg "addEventListener.*keydown|addEventListener.*keypress" -A 5
Length of output: 3507
| @@ -110,3 +110,15 @@ body { | |||
| filter: invert(100%); | |||
| background: #000; | |||
| } | |||
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| /* Pcbf8 */ | |||
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🧹 Nitpick (assertive)
Remove or clarify the purpose of the "Pcbf8" comment.
The comment appears to be a temporary marker or debugging artifact. If it serves a specific purpose, please document it; otherwise, consider removing it.
| #drawingCanvas { | ||
| position: fixed; | ||
| top: 0; | ||
| left: 0; | ||
| width: 100%; | ||
| height: 100vh; | ||
| z-index: 10; | ||
| background-color: rgba(255, 255, 255, 0.8); | ||
| display: none; | ||
| } |
There was a problem hiding this comment.
💡 Codebase verification
🛠️ Refactor suggestion
Adjust z-index values to maintain proper layering hierarchy
Based on the z-index analysis:
- Modal has highest z-index (2000)
- Drawer, orbit container, and controls share z-index (1000)
- Both orbit element and drawing canvas have z-index (10)
Recommended changes:
- Set drawing canvas z-index to 1500 (between modal and drawer layers)
- Keep other suggested improvements (touch-action, pointer-events, transitions)
#drawingCanvas {
position: fixed;
top: 0;
left: 0;
width: 100%;
height: 100vh;
- z-index: 10;
+ z-index: 1500; /* Position between modal (2000) and drawer (1000) */
background-color: rgba(255, 255, 255, 0.8);
display: none;
+ touch-action: none;
+ pointer-events: auto;
+ transition: opacity 0.3s ease;
+
+ @media (max-width: 768px) {
+ height: 100%;
+ }
}🔗 Analysis chain
Enhance drawing canvas styles for better user experience and compatibility.
Several improvements can be made to the drawing canvas styles:
- The z-index (10) conflicts with #orbit's z-index, which could cause layering issues
- Missing touch-specific properties for better mobile support
- No smooth transitions when toggling visibility
Apply these improvements:
#drawingCanvas {
position: fixed;
top: 0;
left: 0;
width: 100%;
height: 100vh;
- z-index: 10;
+ z-index: 20; /* Ensure it's above #orbit */
background-color: rgba(255, 255, 255, 0.8);
display: none;
+ touch-action: none; /* Prevent default touch behaviors */
+ pointer-events: auto; /* Ensure it captures all pointer events */
+ transition: opacity 0.3s ease; /* Smooth transition when toggling */
+
+ /* Adjust for different screen sizes */
+ @media (max-width: 768px) {
+ height: 100%; /* Use % instead of vh for better mobile support */
+ }
}🏁 Scripts executed
The following scripts were executed for the analysis:
Script:
#!/bin/bash
# Verify if there are other elements with conflicting z-index values
rg -n "z-index:" --type css
Length of output: 393
| window.visualViewport.addEventListener('resize', updateCanvasSize); | ||
| } else { | ||
| window.addEventListener('resize', updateCanvasSize); | ||
| } |
There was a problem hiding this comment.
🧹 Nitpick (assertive)
Ensure Consistent Reference for updateCanvasSize
When adding the updateCanvasSize function as an event listener, ensure that the reference remains consistent to facilitate potential removal of the event listener in the future.
| // Prevent scrolling while drawing | ||
| canvas.addEventListener('touchmove', (e) => { | ||
| e.preventDefault(); | ||
| }, { passive: false }); |
There was a problem hiding this comment.
🧹 Nitpick (assertive)
Optimize touchmove Event Listener for Performance
Using { passive: false } in the touchmove event listener can impact scrolling performance. Verify if preventing the default behavior is necessary, and consider optimizing it to enhance performance.
| toggleDrawing() { | ||
| const drawingCanvas = document.getElementById("drawingCanvas"); | ||
| const isDrawingEnabled = drawingCanvas.style.display === "block"; | ||
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| if (isDrawingEnabled) { | ||
| drawingCanvas.style.display = "none"; | ||
| this.orbit.style.display = "block"; | ||
| } else { | ||
| drawingCanvas.style.display = "block"; | ||
| this.orbit.style.display = "none"; | ||
| this.setupDrawingCanvas(drawingCanvas); | ||
| } | ||
| } |
There was a problem hiding this comment.
Add Null Checks for DOM Elements in toggleDrawing Method
To prevent potential runtime errors, ensure that drawingCanvas and this.orbit exist before accessing their properties.
Apply this diff to add null checks:
toggleDrawing() {
const drawingCanvas = document.getElementById("drawingCanvas");
+ if (!drawingCanvas) {
+ this.logError("Drawing canvas element not found");
+ return;
+ }
const isDrawingEnabled = drawingCanvas.style.display === "block";
if (isDrawingEnabled) {
drawingCanvas.style.display = "none";
+ if (this.orbit) {
this.orbit.style.display = "block";
+ } else {
+ this.logError("Orbit element not found");
+ }
} else {
drawingCanvas.style.display = "block";
+ if (this.orbit) {
this.orbit.style.display = "none";
+ } else {
+ this.logError("Orbit element not found");
+ }
this.setupDrawingCanvas(drawingCanvas);
}
}Committable suggestion skipped: line range outside the PR's diff.
| setupDrawingCanvas(canvas) { | ||
| const ctx = canvas.getContext("2d"); | ||
| let drawing = false; | ||
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| // Set initial canvas dimensions | ||
| const updateCanvasSize = () => { | ||
| const viewportHeight = window.visualViewport | ||
| ? window.visualViewport.height | ||
| : window.innerHeight; | ||
| const viewportWidth = window.visualViewport | ||
| ? window.visualViewport.width | ||
| : window.innerWidth; | ||
|
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| canvas.width = viewportWidth; | ||
| canvas.height = viewportHeight; | ||
|
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| // Set up drawing context properties | ||
| ctx.strokeStyle = '#000'; | ||
| ctx.lineWidth = 2; | ||
| ctx.lineCap = 'round'; | ||
| ctx.lineJoin = 'round'; | ||
| }; | ||
|
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| // Initial setup | ||
| updateCanvasSize(); | ||
|
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| // Add resize handlers | ||
| if (window.visualViewport) { | ||
| window.visualViewport.addEventListener('resize', updateCanvasSize); | ||
| } else { | ||
| window.addEventListener('resize', updateCanvasSize); | ||
| } | ||
|
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| const getCoordinates = (e) => { | ||
| const rect = canvas.getBoundingClientRect(); | ||
| const scaleX = canvas.width / rect.width; | ||
| const scaleY = canvas.height / rect.height; | ||
|
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| if (e.touches) { | ||
| return { | ||
| x: (e.touches[0].clientX - rect.left) * scaleX, | ||
| y: (e.touches[0].clientY - rect.top) * scaleY | ||
| }; | ||
| } | ||
| return { | ||
| x: (e.clientX - rect.left) * scaleX, | ||
| y: (e.clientY - rect.top) * scaleY | ||
| }; | ||
| }; | ||
|
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| const startDrawing = (e) => { | ||
| e.preventDefault(); | ||
| drawing = true; | ||
| const coords = getCoordinates(e); | ||
| ctx.beginPath(); | ||
| ctx.moveTo(coords.x, coords.y); | ||
| }; | ||
|
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| const draw = (e) => { | ||
| e.preventDefault(); | ||
| if (!drawing) return; | ||
| const coords = getCoordinates(e); | ||
| ctx.lineTo(coords.x, coords.y); | ||
| ctx.stroke(); | ||
| }; | ||
|
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| const stopDrawing = (e) => { | ||
| e.preventDefault(); | ||
| drawing = false; | ||
| ctx.closePath(); | ||
| }; | ||
|
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| // Mouse events | ||
| canvas.addEventListener("mousedown", startDrawing); | ||
| canvas.addEventListener("mousemove", draw); | ||
| canvas.addEventListener("mouseup", stopDrawing); | ||
| canvas.addEventListener("mouseout", stopDrawing); | ||
|
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| // Touch events | ||
| canvas.addEventListener("touchstart", startDrawing); | ||
| canvas.addEventListener("touchmove", draw); | ||
| canvas.addEventListener("touchend", stopDrawing); | ||
| canvas.addEventListener("touchcancel", stopDrawing); | ||
|
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| // Prevent scrolling while drawing | ||
| canvas.addEventListener('touchmove', (e) => { | ||
| e.preventDefault(); | ||
| }, { passive: false }); | ||
|
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| this.log("Drawing canvas initialized"); | ||
| } |
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🛠️ Refactor suggestion
Prevent Multiple Event Listeners and Potential Memory Leaks
Each time setupDrawingCanvas is called, new event listeners are added to canvas and window, which could lead to multiple listeners being attached if toggleDrawing is toggled multiple times. Consider adding a flag to ensure that event listeners are only added once, or remove them when the drawing canvas is hidden.
Apply this diff to manage event listeners appropriately:
+ // Add a flag to check if event listeners are already added
+ if (this.drawingCanvasInitialized) {
+ return;
+ }
setupDrawingCanvas(canvas) {
const ctx = canvas.getContext("2d");
let drawing = false;
// Set initial canvas dimensions
const updateCanvasSize = () => {
// ...
};
// Initial setup
updateCanvasSize();
// Add resize handlers
if (window.visualViewport) {
window.visualViewport.addEventListener('resize', updateCanvasSize);
} else {
window.addEventListener('resize', updateCanvasSize);
}
// Event handlers...
// Mouse events
canvas.addEventListener("mousedown", startDrawing);
// ...
// Touch events
canvas.addEventListener("touchstart", startDrawing);
// ...
// Prevent scrolling while drawing
canvas.addEventListener('touchmove', (e) => {
e.preventDefault();
}, { passive: false });
+ // Set flag to indicate event listeners have been added
+ this.drawingCanvasInitialized = true;
this.log("Drawing canvas initialized");
}Alternatively, remove event listeners when the drawing canvas is hidden:
toggleDrawing() {
const drawingCanvas = document.getElementById("drawingCanvas");
const isDrawingEnabled = drawingCanvas.style.display === "block";
if (isDrawingEnabled) {
drawingCanvas.style.display = "none";
this.orbit.style.display = "block";
+ this.teardownDrawingCanvas(drawingCanvas);
} else {
drawingCanvas.style.display = "block";
this.orbit.style.display = "none";
this.setupDrawingCanvas(drawingCanvas);
}
}
+ teardownDrawingCanvas(canvas) {
+ // Remove event listeners added in setupDrawingCanvas
+ // Example:
+ // canvas.removeEventListener("mousedown", startDrawing);
+ // ... Remove other event listeners accordingly ...
+ }Committable suggestion skipped: line range outside the PR's diff.
Fixes #2
For more details, open the Copilot Workspace session.
Summary by CodeRabbit
New Features
Enhancements
Style