Detecting double copy

[marlarius]

Is it possible to detect if the same text is copied to the clipboard twice in a row?

I would like to run certains actions, such as opening an url in the browser, if it is copied twice. This is more convenient than eg. assigning a global shortcut as I can just press Ctrl-C twice.

The problem is that CopyQ automatically removes duplicates which is normally wanted. So the second time the clip is copied, nothing happens.

Is it possible to run an action at a point before CopyQ checks if the item already exists?

[firefoxOnFire]

I guess not possible, because when we copy same thing twice. Script doesn't get triggered on the second time. So applying automatic logic is impossible.

[marlarius]

That was my thought but maybe some internal process is happening which can trigger an action. After all, CopyQ at one point has to decide whether the new clip is a duplicate and should be rejected.

[hluk]

You can override the saveData() function with the following command (here is how to add the command to CopyQ):

[Command]
Command="
    var saveDataPrevious = global.saveData
    global.saveData = function() {
      var outputTab = str(data(mimeOutputTab))
      var text = str(data(mimeText))
      if (outputTab && text) {
        tab(outputTab)
        add(text)
      }
      saveDataPrevious()
    }

    global.onClipboardUnchanged = function() {
      onClipboardChanged()
    }"
Icon=\xf0c7
IsScript=true
Name=Always Save Clipboard

[marlarius]

Thanks, @hluk. It seems to work.

However, can you explain what the first part does? The thing is, overriding onClipboardUnchanged alone seems to be enough for my need (detecting a double-copy)

Also, is the attribute IsScript documented somewhere? I can guess that it tells CopyQ that this is a special scripting command, but I would like to read more about the possibilities. I can't find it in the docs.

CopyQ is simply fantastic and has quickly become an indispensable item in my toolbox. I have created many very useful command and would like to share them at some point.

[Command] Command=" global.onClipboardUnchanged = function() { popup(\"clipboard unchanged\") } " Icon=\xf0c7 IsScript=true Name=Detect unchanged

[hluk]

However, can you explain what the first part does? The thing is, overriding onClipboardUnchanged alone seems to be enough for my need (detecting a double-copy)

Ah, I think I misread the problem before. It is OK to just override global.onClipboardUnchanged as you say.

Also, is the attribute IsScript documented somewhere? I can guess that it tells CopyQ that this is a special scripting command, but I would like to read more about the possibilities. I can't find it in the docs.

IsScript flag in the command indicates Script type: https://copyq.readthedocs.io/en/latest/commands-script.html

CopyQ is simply fantastic and has quickly become an indispensable item in my toolbox. I have created many very useful command and would like to share them at some point.

Glad you like it. Happy scripting!