Add markdown widget

docs/configuration.md

@@ -151,14 +151,14 @@ pages:
     columns:
       - size: full
         widgets:
-          $include: rss.yml
+          - $include: rss.yml
   - name: News
     columns:
       - size: full
         widgets:
           - type: group
             widgets:
-              $include: rss.yml
+              - $include: rss.yml
               - type: reddit
                 subreddit: news
 ```

go.mod

@@ -4,6 +4,7 @@ go 1.24.4
 
 require (
 	github.com/fsnotify/fsnotify v1.9.0
+	github.com/gomarkdown/markdown v0.0.0-20260217112301-37c66b85d6ab
 	github.com/mmcdole/gofeed v1.3.0
 	github.com/shirou/gopsutil/v4 v4.25.5
 	github.com/tidwall/gjson v1.18.0

go.sum

@@ -12,6 +12,8 @@ github.com/fsnotify/fsnotify v1.9.0/go.mod h1:8jBTzvmWwFyi3Pb8djgCCO5IBqzKJ/Jwo8
 github.com/go-ole/go-ole v1.2.6/go.mod h1:pprOEPIfldk/42T2oK7lQ4v4JSDwmV0As9GaiUsvbm0=
 github.com/go-ole/go-ole v1.3.0 h1:Dt6ye7+vXGIKZ7Xtk4s6/xVdGDQynvom7xCFEdWr6uE=
 github.com/go-ole/go-ole v1.3.0/go.mod h1:5LS6F96DhAwUc7C+1HLexzMXY1xGRSryjyPPKW6zv78=
+github.com/gomarkdown/markdown v0.0.0-20260217112301-37c66b85d6ab h1:VYNivV7P8IRHUam2swVUNkhIdp0LRRFKe4hXNnoZKTc=
+github.com/gomarkdown/markdown v0.0.0-20260217112301-37c66b85d6ab/go.mod h1:JDGcbDT52eL4fju3sZ4TeHGsQwhG9nbDV21aMyhwPoA=
 github.com/google/go-cmp v0.6.0/go.mod h1:17dUlkBOakJ0+DkrSSNjCkIjxS6bF9zb3elmeNGIjoY=
 github.com/google/go-cmp v0.7.0 h1:wk8382ETsv4JYUZwIsn6YpYiWiBsYLSJiTsyBybVuN8=
 github.com/google/go-cmp v0.7.0/go.mod h1:pXiqmnSA92OHEEa9HXL2W4E7lf9JzCmGVUdgjX3N/iU=

internal/glance/static/css/widget-markdown.css

@@ -0,0 +1,27 @@
+.widget-markdown h1 {
+    font-size: 1.875rem;
+}
+
+.widget-markdown h2 {
+    font-size: 1.5rem;
+}
+
+.widget-markdown h3 {
+    font-size: 1.25rem;
+}
+
+.widget-markdown h4 {
+    font-size: 1.125rem;
+}
+
+.widget-markdown h5 {
+    font-size: 1rem;
+}
+
+.widget-markdown h6 {
+    font-size: 0.875rem;
+}
+
+.widget-markdown a {
+    text-decoration: underline;
+}

internal/glance/static/css/widgets.css

@@ -13,6 +13,8 @@
 @import "widget-videos.css";
 @import "widget-weather.css";
 @import "widget-todo.css";
+@import "widget-markdown.css";
+
 @import "forum-posts.css";
 
 .widget-error-header {

internal/glance/templates/markdown.html

@@ -0,0 +1,7 @@
+{{ template "widget-base.html" . }}
+
+{{ define "widget-content" }}
+<div class="widget-markdown">
+{{ .CompiledHTML }}
+</div>
+{{ end }}

internal/glance/widget-markdown.go

@@ -0,0 +1,62 @@
+package glance
+
+import (
+	"fmt"
+	"html/template"
+	"os"
+
+	"github.com/gomarkdown/markdown"
+	"github.com/gomarkdown/markdown/html"
+	"github.com/gomarkdown/markdown/parser"
+)
+
+var markdownWidgetTemplate = mustParseTemplate("markdown.html", "widget-base.html")
+
+type markdownWidget struct {
+	widgetBase    `yaml:",inline"`
+	CompiledHTML  template.HTML `yaml:"-"`
+	Source        string        `yaml:"source"`
+	File          string        `yaml:"file"`
+}
+
+func (widget *markdownWidget) initialize() error {
+	widget.WIP = true
+
+	if widget.Title == "" {
+		widget.Title = "Markdown"
+	}
+
+	widget.withTitle(widget.Title).withError(nil)
+
+	var content string
+
+	if widget.File != "" {
+		fileContent, err := os.ReadFile(widget.File)
+		if err != nil {
+			return fmt.Errorf("failed to read markdown file: %w", err)
+		}
+		content = string(fileContent)
+	} else if widget.Source != "" {
+		content = widget.Source
+	} else {
+		return fmt.Errorf("either 'source' or 'file' must be specified")
+	}
+
+	// Parse markdown with standard extensions
+	extensions := parser.CommonExtensions | parser.AutoHeadingIDs
+	p := parser.NewWithExtensions(extensions)
+	doc := p.Parse([]byte(content))
+
+	// Render to HTML
+	renderer := html.NewRenderer(html.RendererOptions{
+		Flags: html.CommonFlags | html.HrefTargetBlank,
+	})
+
+	widget.CompiledHTML = template.HTML(markdown.Render(doc, renderer))
+
+	return nil
+}
+
+func (widget *markdownWidget) Render() template.HTML {
+	return widget.renderTemplate(widget, markdownWidgetTemplate)
+}

internal/glance/widget.go

@@ -39,6 +39,8 @@ func newWidget(widgetType string) (widget, error) {
 		w = &iframeWidget{}
 	case "html":
 		w = &htmlWidget{}
+	case "markdown":
+		w = &markdownWidget{}
 	case "hacker-news":
 		w = &hackerNewsWidget{}
 	case "releases":