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9 commits

Author SHA1 Message Date
Benedikt Willi
ae5913be2e Implement CSS parsing, selector matching, and style resolution 
- Added a comprehensive CSS parser with support for tag, class, and ID selectors.
- Implemented property declaration parsing and inline style handling.
- Introduced a Selector class for specificity calculation and matching against HTML elements.
- Created a CSSRule class to represent individual CSS rules.
- Developed a StyleResolver class to compute final styles for elements, considering cascade and inheritance.
- Added integration tests for CSS parsing and style application in HTML documents.
- Updated HTML parser to retain <style> tags for CSS extraction.
- Enhanced tests for CSS parsing, inline styles, and computed styles.
 2026-01-12 11:41:18 +01:00
Benedikt Willi
c9ef5e5c44 Refactor test files to remove unnecessary imports and improve readability 
- Removed unused imports from various test files to streamline code.
- Cleaned up whitespace in test cases for better consistency.
- Updated dependency management in `uv.lock` to reflect changes in optional dependencies.
- Ensured all tests maintain functionality while enhancing clarity and organization.
 2026-01-12 10:22:34 +01:00
Benedikt Willi
21e779d281 Add comprehensive tests for layout and rendering components, enhancing coverage for layout lines, blocks, and document structures 2026-01-11 23:41:20 +01:00
Benedikt Willi
3838aa17af Add DOM Visualization Feature with Integrated Browser Support 
- Introduced a new feature to visualize the Document Object Model (DOM) tree of the loaded web page.
- Implemented keyboard shortcut (Ctrl+Shift+D) for generating and displaying the DOM graph.
- Added core implementation files:
  - src/debug/dom_graph.py: Handles generation and rendering of graphs in DOT and SVG formats.
- Created templates and documentation for the new feature, including:
  - docs/DOM_VISUALIZATION.md: Overview and usage instructions.
  - docs/DOM_GRAPH_UX.md: User experience design documentation.
- Allowed the visualization to open in a new browser tab instead of an external viewer.
- Enhanced visual representation through color coding of different HTML elements.
- Implemented comprehensive tests for graph generation and page rendering.
- Updated README.md to include usage instructions for DOM visualization.
- Included test_holder.html as an example test page.
- Modified various components in the browser to integrate tab management and enhance the graphical rendering experience.
 2026-01-10 00:19:21 +01:00
Benedikt Willi
d3119f0b10 Add automatic HTTPS protocol assumption for URLs 
Feature: Smart protocol handling
- If no protocol is provided, assume https://
- URLs like 'example.com' become 'https://example.com'
- 'example.com/path' becomes 'https://example.com/path'
- Special 'about:' URLs are preserved as-is

Implementation:
- Added _normalize_url() method to Browser class
- Checks for '://' in URL to detect existing protocol
- Strips whitespace from URLs
- Applied in both new_tab() and navigate_to() methods
- Supports all URL formats (subdomains, ports, paths, queries)

URL Normalization Logic:
1. Strip leading/trailing whitespace
2. Check if URL already has a protocol ('://')
3. Check for special about: URLs
4. Otherwise prepend 'https://'

Examples:
- 'example.com' → 'https://example.com'
- 'https://example.com' → 'https://example.com' (unchanged)
- 'about:startpage' → 'about:startpage' (unchanged)
- 'www.example.com:8080' → 'https://www.example.com:8080'
- 'localhost:3000' → 'https://localhost:3000'

Tests added (10 test cases):
- test_normalize_url_with_https
- test_normalize_url_with_http
- test_normalize_url_without_protocol
- test_normalize_url_with_path
- test_normalize_url_with_about
- test_normalize_url_strips_whitespace
- test_normalize_url_with_query_string
- test_normalize_url_with_subdomain
- test_normalize_url_with_port
- test_normalize_url_localhost

Existing tests still passing (15/15)
 2026-01-09 14:52:05 +01:00
Benedikt Willi
fab66d1528 Implement Jinja2 templates for startpage and error pages 
Features:
- Add Jinja2 template engine for page rendering
- Create startpage with Bowser branding and version info
- Create error page templates for 404, 500, and network errors
- Support for about:startpage special URL
- Custom error message support in templates
- Graceful fallback rendering if template fails
- Browser now starts with startpage when no URL provided

Templates:
- assets/pages/startpage.html - Beautiful purple gradient intro page
- assets/pages/error_404.html - Pink gradient 404 error page
- assets/pages/error_500.html - Red gradient 500 error page
- assets/pages/error_network.html - Orange gradient network error page

Code:
- src/templates.py - Template rendering utilities with Jinja2
- Updated main.py to use startpage as default
- Updated Frame.load() to handle about: URLs and render errors with templates
- Added 7 comprehensive template tests

All 62 core tests passing (excluding GTK-dependent tests)
 2026-01-09 14:24:01 +01:00
Benedikt Willi
283dae295c Implement HTTP redirect following 
- Support for 301, 302, 303, 307, 308 redirects
- Automatic Location header following
- Relative URL resolution for redirects
- Max redirect limit (default 10) to prevent infinite loops
- 303 (See Other) automatically changes method to GET
- 4 new unit tests for redirect functionality
- All 73 tests passing
 2026-01-09 14:11:46 +01:00
Benedikt Willi
ae6fcbfab4 Add comprehensive test suite with pytest 
- Add tests for URL parsing, cookies, HTML/CSS parsing
- Add tests for browser/tab management and history
- Add tests for layout and rendering components
- Configure pytest with coverage reporting
- Add test documentation and runner commands
- All 54 tests passing
 2026-01-09 13:37:21 +01:00
Benedikt Willi
b0e693e50c Initial bowser project scaffold 2026-01-09 12:20:46 +01:00