- Always assume hasMoreHistory=true on initial load
- Auto-trigger loadMoreHistory when klines don't fill drawable area
- This ensures sparse data periods load all available history
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
Add support for loading more K-line history data when user pans to the
left edge. Backend API now accepts 'before' parameter for pagination.
Frontend uses KlinesNotifier to manage accumulated data with proper
deduplication.
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
- Added toLocal() conversion in _formatTimeLabel (painter)
- Added toLocal() conversion in _formatDateTime (widget)
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
- Added _drawTimeAxis method to render time labels
- Labels dynamically adjust spacing based on candleWidth
- Shows HH:MM format, or M/D for midnight
- Labels follow pan/zoom movements
- Increased bottomPadding to 20px for label space
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
- Added scrollOffset parameter to KlinePainter and KlineVolumePainter
- Painters now draw all klines and apply scrollOffset for positioning
- Added canvas clipping to prevent drawing outside chart bounds
- Removed _getVisibleData and related helper methods (no longer needed)
- scrollOffset directly controls the visual position of all klines
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
- Removed _userHasPanned flag and special handling
- _scrollX is initialized in _scrollToCenter() at startup
- Pan gesture directly modifies _scrollX
- _getVisibleData() always uses _scrollX to calculate visible range
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
- Wrap indicator selector Row in SingleChildScrollView for horizontal scrolling
- Add maxX boundary checks in _drawLegend to stop drawing when exceeding available space
- Prevents text overflow on narrow screens or when displaying many indicators
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
- Refactor to pixel-based scrolling system for smoother interaction
- Fix pinch-to-zoom to properly scale around focal point
- Adjust fullscreen layout to give more space to main chart (65%)
- Add candleWidth parameter to all painters for consistent rendering
- Detect multi-touch gestures using pointerCount
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
- Add KlineChartWidget with pinch-to-zoom, fullscreen mode
- Implement MA, EMA, BOLL indicators for main chart
- Implement MACD, KDJ, RSI indicators for sub chart
- Add volume display with crossline info
- Add C2C trading feature with market/publish/detail pages
- Add P2P transfer functionality (send/receive shares)
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
hailin