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feat: add minimap hover preview with multi-line code preview #307809

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feat: add minimap hover preview with multi-line code preview #307809

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65 changes: 65 additions & 0 deletions src/vs/editor/browser/viewParts/minimap/minimap.css
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Original file line number Diff line number Diff line change
Expand Up @@ -65,3 +65,68 @@
.monaco-editor .minimap canvas {
opacity: 0.9;
}

/* Minimap hover preview */
.monaco-editor .minimap .minimap-hover-preview {
display: none;
position: absolute;
background: var(--vscode-editorHoverWidget-background);
border: 1px solid var(--vscode-editorHoverWidget-border);
border-radius: 4px;
box-shadow: 0 2px 8px var(--vscode-widget-shadow);
padding: 4px 8px;
font-family: var(--vscode-editor-font-family, monospace);
font-size: var(--vscode-editor-font-size, 14px);
line-height: var(--vscode-editor-line-height, 20px);
color: var(--vscode-editor-foreground);
z-index: 10;
pointer-events: none;
overflow: hidden;
max-width: 650px;
opacity: 0.95;
transition: opacity 100ms ease-in-out;
}

.monaco-editor .minimap .minimap-hover-preview.visible {
display: block;
}

/* Header showing line range (e.g. "Ln 10–14 (5 lines)") */
.monaco-editor .minimap .minimap-hover-preview .minimap-hover-header {
font-size: 10px;
color: var(--vscode-descriptionForeground);
margin-bottom: 3px;
padding-bottom: 3px;
border-bottom: 1px solid var(--vscode-editorHoverWidget-border);
}

/* Container for code lines */
.monaco-editor .minimap .minimap-hover-preview .minimap-hover-code-lines {
font-family: var(--vscode-editor-font-family, monospace);
font-size: inherit;
line-height: inherit;
}

/* Single code line */
.monaco-editor .minimap .minimap-hover-preview .minimap-hover-code-line {
white-space: pre;
display: block;
}

/* Highlight the center/hovered line */
.monaco-editor .minimap .minimap-hover-preview .minimap-hover-code-line.center {
background: var(--vscode-editor-lineHighlightBackground);
margin: 0 -8px;
padding: 0 8px;
}

/* Line number badge on each line */
.monaco-editor .minimap .minimap-hover-preview .minimap-hover-code-line .minimap-hover-ln {
display: inline-block;
min-width: 3ch;
color: var(--vscode-editorLineNumber-foreground);
text-align: right;
margin-right: 1ch;
user-select: none;
pointer-events: none;
}
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