add support for streaming command outputs in CustomButton

Assets/Translations/en.json

@@ -1073,9 +1073,14 @@
           "description": "Command to execute when the button is middle-clicked."
         },
         "dynamic-text": "Dynamic text",
+        "text-stream": {
+          "label": "Stream",
+          "description": "Streamed lines from the command will be displayed as text on the button."
+        },
         "display-command-output": {
           "label": "Display Command Output",
-          "description": "Enter a command to run at a regular interval. The first line of its output will be displayed as text."
+          "description": "Enter a command to run at a regular interval. The first line of its output will be displayed as text.",
+          "stream-description": "Enter a command to run continuously."
         },
         "refresh-interval": {
           "label": "Refresh interval",

Modules/Bar/Widgets/CustomButton.qml

@@ -36,6 +36,7 @@ Item {
   readonly property string rightClickExec: widgetSettings.rightClickExec || widgetMetadata.rightClickExec
   readonly property string middleClickExec: widgetSettings.middleClickExec || widgetMetadata.middleClickExec
   readonly property string textCommand: widgetSettings.textCommand !== undefined ? widgetSettings.textCommand : (widgetMetadata.textCommand || "")
+  readonly property bool textStream: widgetSettings.textStream !== undefined ? widgetSettings.textStream : (widgetMetadata.textStream || false)
   readonly property int textIntervalMs: widgetSettings.textIntervalMs !== undefined ? widgetSettings.textIntervalMs : (widgetMetadata.textIntervalMs || 3000)
   readonly property bool hasExec: (leftClickExec || rightClickExec || middleClickExec)
 
@@ -84,29 +85,45 @@ Item {
     id: refreshTimer
     interval: Math.max(250, textIntervalMs)
     repeat: true
-    running: (textCommand && textCommand.length > 0)
+    running: !textStream && textCommand && textCommand.length > 0
     triggeredOnStart: true
-    onTriggered: {
+    onTriggered: root.runTextCommand()
-      if (!textCommand || textCommand.length === 0)
+  }
-        return
+
-      if (textProc.running)
+  // Restart exited text stream commands after a delay
-        return
+  Timer {
-      textProc.command = ["sh", "-lc", textCommand]
+    id: restartTimer
-      textProc.running = true
+    interval: 1000
+    running: textStream && !textProc.running
+    onTriggered: root.runTextCommand()
+  }
+
+  SplitParser {
+    id: textStdoutSplit
+    onRead: (line) => _dynamicText = String(line || "").trim()
+  }
+
+  StdioCollector {
+    id: textStdoutCollect
+    onStreamFinished: () => {
+      var out = String(this.text || "").trim()
+      if (out.indexOf("\n") !== -1) {
+        out = out.split("\n")[0]
+      }
+      _dynamicText = out
     }
   }
 
   Process {
     id: textProc
-    stdout: StdioCollector {}
+    stdout: textStream ? textStdoutSplit : textStdoutCollect
     stderr: StdioCollector {}
     onExited: (exitCode, exitStatus) => {
-                var out = String(stdout.text || "").trim()
+      if (textStream) {
-                if (out.indexOf("\n") !== -1) {
+        Logger.w("CustomButton", `Streaming text command exited (code: ${exitCode}), restarting...`)
-                  out = out.split("\n")[0]
+        return
-                }
+      }
-                _dynamicText = out
+    }
-              }
   }
 
   function onClicked() {
@@ -134,4 +151,13 @@ Item {
       Logger.i("CustomButton", `Executing command: ${middleClickExec}`)
     }
   }
+
+  function runTextCommand() {
+    if (!textCommand || textCommand.length === 0)
+        return
+    if (textProc.running)
+        return
+    textProc.command = ["sh", "-lc", textCommand]
+    textProc.running = true
+  }
 }

Modules/Settings/Bar/WidgetSettings/CustomButtonSettings.qml

@@ -14,6 +14,7 @@ ColumnLayout {
   property var widgetMetadata: null
 
   property string valueIcon: widgetData.icon !== undefined ? widgetData.icon : widgetMetadata.icon
+  property bool valueTextStream: widgetData.textStream !== undefined ? widgetData.textStream : widgetMetadata.textStream
 
   function saveSettings() {
     var settings = Object.assign({}, widgetData || {})
@@ -22,6 +23,7 @@ ColumnLayout {
     settings.rightClickExec = rightClickExecInput.text
     settings.middleClickExec = middleClickExecInput.text
     settings.textCommand = textCommandInput.text
+    settings.textStream = valueTextStream
     settings.textIntervalMs = parseInt(textIntervalInput.text || textIntervalInput.placeholderText, 10)
     return settings
   }
@@ -90,11 +92,21 @@ ColumnLayout {
     label: I18n.tr("bar.widget-settings.custom-button.dynamic-text")
   }
 
+  NToggle {
+    id: textStreamInput
+    label: I18n.tr("bar.widget-settings.custom-button.text-stream.label")
+    description: I18n.tr("bar.widget-settings.custom-button.text-stream.description")
+    checked: valueTextStream
+    onToggled: checked => valueTextStream = checked
+  }
+
   NTextInput {
     id: textCommandInput
     Layout.fillWidth: true
     label: I18n.tr("bar.widget-settings.custom-button.display-command-output.label")
-    description: I18n.tr("bar.widget-settings.custom-button.display-command-output.description")
+    description: valueTextStream ?
+      I18n.tr("bar.widget-settings.custom-button.display-command-output.stream-description") :
+      I18n.tr("bar.widget-settings.custom-button.display-command-output.description")
     placeholderText: I18n.tr("placeholders.command-example")
     text: widgetData?.textCommand || widgetMetadata.textCommand
   }
@@ -102,6 +114,7 @@ ColumnLayout {
   NTextInput {
     id: textIntervalInput
     Layout.fillWidth: true
+    visible: !valueTextStream
     label: I18n.tr("bar.widget-settings.custom-button.refresh-interval.label")
     description: I18n.tr("bar.widget-settings.custom-button.refresh-interval.description")
     placeholderText: String(widgetMetadata.textIntervalMs || 3000)

Services/BarWidgetRegistry.qml

@@ -78,6 +78,7 @@ Singleton {
                                     "rightClickExec": "",
                                     "middleClickExec": "",
                                     "textCommand": "",
+                                    "textStream": false,
                                     "textIntervalMs": 3000
                                   },
                                   "KeyboardLayout": {