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Remove all old TabView source files (~3,570 lines across 6 files), old TabView tests, and TabViewExample scenario. Fix compilation errors in scenarios that referenced deleted types by stubbing out TabView- dependent scenarios (Notepad, ConfigurationEditor) and replacing TabView usage with direct views (Editor, Images, AnsiRequests). Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
Add BorderGap record struct and gap lists (TopGaps, BottomGaps, LeftGaps, RightGaps) to Border. Gaps create exclusion regions in the border's LineCanvas, allowing TabView to punch openings where the selected tab connects to the content area. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
Implements the new TabView using modern v2 patterns: - Tab: Simple View subclass (Visible=false by default, Dim.Fill) - TabRow: Internal view in Padding that renders tab headers with rounded borders, positioned adjacent with 1-cell overlap - TabView: Orchestrator with Wizard-style show/hide, nullable SelectedTabIndex, keyboard commands (Ctrl+Left/Right/Home/End), IDesignable support, and CWP SelectedTabChanged event Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
New scenario for exercising TabView with: - Demo TabView with 3 example tabs (label, text+button, multi-line) - Configuration pane: TabsOnBottom toggle, MaxTabTextWidth, Add/Remove tab buttons, SelectedTabIndex display, Prev/Next nav - AdornmentsEditor targeting the demo TabView - EventLog for monitoring tab change events Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
Use ValueChangingEventArgs.Handled to clamp MaxTabTextWidth input to 1-100 range instead of non-existent MinValue/MaxValue. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
…, disposal fixes - Change TabView.Border.Thickness to (1,0,1,1) so tab headers form the top - Add Border.DrawSegmentedVerticalLine for gap-aware vertical line rendering - Use RightGaps instead of Exclude for correct corner glyphs (╮ not ┤) - TabRow draws horizontal continuation line from last tab to right edge - Fix RebuildHeaders to dispose old header views (prevents "Not Disposed" leaks) - Guard OnSubViewRemoved during disposal to prevent orphaned header creation - Clear SelectedTabChanged event before base disposal to prevent ObjectDisposedException - Add disposal tests that fail without fixes (verify Border==null after dispose) - Update all visual rendering tests for new no-top-border layout Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
…sOnBottom Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
Refactored TabViewExample for more adaptive layout using Dim.Fill and Pos.AnchorEnd, and compacted configuration controls. Updated TabView and TabRow to use base.SuperViewRendersLineCanvas = true. Improved command registration with method group syntax. Enhanced Side enum documentation. Updated tabview-rewrite.md to mark navigation and visual polish as partial, added a detailed TabsOnBottom fix plan, and documented additional known issues. Minor code cleanups and formatting improvements.
- Fix text/continuation line overlap in TabRow.UpdateHeaderAppearance() by adding Padding.Top=1 compensation for selected header when TabsOnBottom - Extract visual rendering tests to TabViewVisualTests.cs (28 tests) - Add 13 new visual regression tests covering tabs-on-bottom, state transitions, padding assertions, and edge cases - Update plan with fix status Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
Implements mnemonic (hotkey) selection for TabView tabs by overriding OnHandlingHotKey in Tab. Ensures TabStop is set for tabs and tab headers. Updates TabViewExample and adds comprehensive unit tests for hotkey selection, event raising, and keyboard navigation. Refactors focus management logic for robustness. Improves TabView disposal and focus behavior. Updates documentation and marks hotkey issue as fixed.
- Replace bool TabsOnBottom with Side TabSide enum (Top/Bottom only, Left/Right ignored) - Add 6 hotkey navigation unit tests proving Tab.OnHandlingHotKey works - Replace CheckBox with OptionSelector<Side> in TabViewExample, disable Left/Right - Update all tests and visual tests for TabSide rename - Add focusable tab headers with hot-normal/hot-focus attribute routing Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
- Make TabRow focusable and add focus event handlers to TabRow/TabView - Enhance mouse and keyboard navigation for tab headers - Refactor Padding subview logic and mouse handling - Set TabView.Padding as a tab stop for accessibility - Add visual tests for tab scrolling and indicator rendering - Clean up code and remove unused usings - Prepares for future tab scrolling support and better accessibility
…iewport scrolling - TabRow.UpdateContentSizeForScrolling() computes total header width and sets ContentSize - TabRow.EnsureHeaderVisible() scrolls viewport to reveal selected tab header - TabView.SelectedTabIndex setter calls EnsureHeaderVisible on tab change - Rewrite scroll tests to verify content size and forward viewport scrolling - Skip scroll-back rendering test pending investigation - Update plan to reflect scrolling progress Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
Design plan for implementing tab headers as a first-class Border capability (BorderSettings.Tab) instead of using a separate TabRow with dynamically-created header views. Leverages existing Thickness.Top == 3 rendering and LineCanvas auto-join for the flowing connected tab style. Includes renderings for all four sides (Top, Bottom, Left, Right) and a plan for migrating BorderTests to UnitTestsParallelizable. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
Major rewrite of tabview-border-based-design.md to propose a new, border-based approach for tabbed interfaces in Terminal.Gui v2. Tabs are now rendered as part of the Border adornment, leveraging a shared LineCanvas for auto-joining borders and eliminating the need for TabRow and dynamic header Views. The document details the new API surface (BorderSettings.Tab, TabOffset, TabWidth), explains rendering for all four sides, and provides implementation phases. Scrolling, focus, and mouse handling are addressed, with ASCII diagrams and tables clarifying the design. The new approach aims to be the reference for compound views in v2.
Add support for transparent borders drawn on top Introduce transparent border rendering, similar to transparent margins, by drawing borders with the Transparent flag after all content. Refactor border drawing logic and region exclusion to support this feature. Update demo and editors for improved usability and identifier display. Move ShowViewIdentifier to EditorBase and ensure consistent OnViewToEditChanged behavior. Cache clip regions for correct transparent rendering.
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Fixes
TabViewto use modern v2 capabilities #4183Proposed Changes/Todos
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