Hi folks, just pushed a beta of a new OOT module set (gr-guiextra) for GR 3.8 on github. Bringing more GUI widgets to the interface. More to come but here's what's included so far:
Dial - Think of this as your volume dial control. Supports both variables and messages. Digital Number Control (Frequency Control) - Very similar to SDR-based stand-alone applications, clicking the numbers can adjust frequency, or it can be set in read-only mode for display only. Supports both controlling a variable and input / output messages. LED Indicator - Just as it sounds. On-screen LED. You can choose the on/off colors and supports both variables and messages to control state. Linear Gauge (Progress Bar) - Linear progress bar / linear gauge, either horizontal or vertical. Colors can be chosen for the background and the bar, and it is controllable via variable or message. Graphics Item - Drop a graphic anywhere in your GNU Radio app screen. You can also control the file based on input messages to change the graphic on the fly. Toggle Button - Push to hold down. Push again to release. Both variables and messages available. Message-based Checkbox - Like a standard checkbox, but a message is produced on check / uncheck. Message Push-button - Produce a message when the button is pushed. (This is different than the toggle in that this bounces back to release like a traditional button when pressed and a message is only produced on press). Compass - Provides an on-screen compass with 3 different choices for the needle (full, half, and -pi to pi with DoA uncertainty) App Background - While stylesheets can be used to change an app, that can be cumbersome if all you want is to change the background color or display a background graphic. This drop-in control lets you do either or both. Distance "Radar" - Similar to the old-school signal trackers, this widget produces a radar-like screen and draws a "contact" circle at a distance of your choosing controlled by an inbound message.
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