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Feature #567: Add gradient design to interactive tab buttons - #688

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ArsalanAnwer0:feature-gradient-tabs-567
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Feature #567: Add gradient design to interactive tab buttons#688
ArsalanAnwer0 wants to merge 1 commit into
3C-SCSU:mainfrom
ArsalanAnwer0:feature-gradient-tabs-567

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@ArsalanAnwer0

@ArsalanAnwer0 ArsalanAnwer0 commented Jan 14, 2026

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Issue

Closes #567

Summary

This PR implements vertical gradient designs for all interactive tab buttons in the main navigation, replacing the previous flat color scheme with modern gradients that enhance visual hierarchy and user experience.

Changes

  • Replaced flat background colors with vertical gradients on all 8 tab buttons
  • Added unique IDs to each TabButton for proper gradient referencing
  • Active tabs: Bright to dark green gradient with yellow border
  • Inactive tabs: Subtle blue gradient for visual depth
  • Added 5px border radius for modern polished appearance

Visual Design

Active Tab Gradient:

  • Top: #00cc44 (bright green)
  • Bottom: #008833 (darker green)
  • Border: Yellow 3px (maintained from original design)

Inactive Tab Gradient:

  • Top: #2a3456 (lighter blue)
  • Bottom: #1a2440 (darker blue)
  • Border: Transparent

Implementation Details

  • Modified all TabButton backgrounds in main.qml
  • Used QML Gradient component with GradientStop positions
  • Added unique IDs to prevent QML parent scope issues: readBrainTab, manualDroneTab, manualNaoTab, aiTab, brainwaveVizTab, shufflerTab, cloudTab, developersTab
  • Maintained all existing tab functionality and event handlers
  • No breaking changes to tab switching logic

Testing

  • Tested all 8 navigation tabs (4 top, 4 bottom)
  • Verified gradient rendering and visual appearance
  • Confirmed smooth tab switching functionality
  • No QML errors or warnings
  • Application performance maintained
  • All existing features preserved

Files Modified

  • main.qml (tab button styling and structure)
Screenshot 2026-01-14 at 1 29 28 PM
Screenshot 2026-01-14 at 1 29 58 PM

Replaced flat color backgrounds with vertical gradients to improve
visual hierarchy and modern UI appearance across all tab buttons.

Changes:
- Added unique IDs to all 8 TabButton components for proper referencing
- Implemented vertical gradients for active and inactive states
- Active tabs: Green gradient (#00cc44 to #008833) with yellow border
- Inactive tabs: Blue gradient (#2a3456 to #1a2440)
- Added 5px border radius for polished appearance
- Maintained existing yellow border (3px) on active tabs
- Preserved all existing tab functionality and click handlers

Implementation Details:
- Modified all TabButton background rectangles in main.qml
- Used QML Gradient component with two GradientStop positions
- Referenced TabButton IDs to avoid QML parent scope issues
- Top tab bar: readBrainTab, manualDroneTab, manualNaoTab, aiTab
- Bottom tab bar: brainwaveVizTab, shufflerTab, cloudTab, developersTab

Testing:
- Verified gradient rendering on all 8 navigation tabs
- Confirmed smooth visual transitions when switching tabs
- No QML errors or warnings related to gradient implementation
- Application performance maintained
- All tab switching functionality preserved
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Gradient Design for Interactive Tabs

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