Fix cursor frequency label missing in GPU mode#730
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The cursor frequency overlay was only drawn in the QPainter paintEvent path. In GPU mode, paintEvent returns early (delegating to render()), so the cursor label never appeared. Add the cursor frequency drawing to the GPU overlay QPainter section in renderGpuFrame() so it renders into the cached overlay texture alongside grid, scales, and markers. Fixes aethersdr#726 Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
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Summary
Fixes #726
The cursor frequency overlay was only drawn in the QPainter
paintEventpath. In GPU rendering mode (AETHER_GPU_SPECTRUM),paintEventreturns early and delegates torender()→renderGpuFrame(), so the cursor frequency label never appeared.Added the cursor frequency drawing to the GPU overlay QPainter section in
renderGpuFrame(), where it renders into the cached overlay texture alongside the grid, scales, and markers. The overlay is already marked dirty on mouse move when cursor freq is enabled (line 1238), so the label updates as the cursor moves.Test plan
JJ Boyd ~KG4VCF
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