Hello, I'm new to the list and this is my first post. I've taken over a gtkmm project from a previous person. I've read through the documentation and am fairly familiar with the GUI, but am by no means an expert.
My situation is this: I have an application where the user uses external hardware to change a channel value. The hardware is a slider which can change the value from something like 0% to 100%. Right now, this channel level (i.e. 25%) is displayed in a text box. There are many channel values that can be changed. I would like to be able to use a touch screen to "click and drag" across the channels on the GUI, thus being able to select multiple channels. After selecting those channels, I would like to (either by a hardware slider or maybe a software slider) change the values of those channels "simultaneously" by moving 1 slider. My question is this: Is there a widget other than the text entries that I am currently using to display the channel levels that will allow me to select everything with a click and drag approach? Right now when I click and drag, I can only do so within the text entry, not across multiple text entries. Thanks, Aaron Geier
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