Has anyone played much with class QClipboard? I did a couple of trivial 
experiments but I must be misunderstanding something.

for instance, QClipboard.image() returns a non-null value even if the 
clipboard does not contain an image.

    J^n


On Monday, March 11, 2024 at 4:33:23 PM UTC tbp1...@gmail.com wrote:

> It turns out that to get the relative path conversion w have to remove any 
> quotation marks around the path before running os.relpath(). So the script 
> becomes:
>
> """Insert RsT code at cursor to display an image.
>
> The path to the image file will come from a file dialog.
> This action is undoable.
> """
> PATH = g.app.gui.runOpenFileDialog(c,
>     title="Import File",
>     filetypes=[("All files", "*"),],
>     defaultextension=".*",
>     multiple=False)
>
> if PATH:
>     from os.path import relpath
>     PATH = PATH.replace('"', '').replace("'", '')
>     PATH = relpath(PATH)
>     PATH = PATH.replace('\\', '/')
>
>     IMAGE_TEMPLATE = f'''
>
> .. figure:: {PATH}
>     :scale: 50%
>
> '''
>
>     w = c.frame.body.wrapper
>     p = c.p
>     s = p.b
>     u = c.undoer
>
>     start, _ = w.getSelectionRange()
>
>     undoType = 'insert-rst-image-code'
>     undoData = u.beforeChangeNodeContents(p)
>
>     head, tail = s[:start], s[start:]
>     p.b = head + IMAGE_TEMPLATE + tail
>
>     c.setChanged()
>     p.setDirty()
>     u.afterChangeNodeContents(p, undoType, undoData)
>     c.redraw()
>
> On Saturday, March 9, 2024 at 2:04:19 PM UTC-5 Thomas Passin wrote:
>
>> We can't directly insert an image into a standard Leo node because they 
>> are text-only.  I find this very annoying sometimes, especially when I am 
>> writing a note and want to include an image.  
>>
>> But we can do the next best thing - insert an ReStructuredText (RsT) 
>> instruction to display an image so that we can view it with the 
>> viewrendered3 plugin (VR3). The instruction is short and easy, but it's 
>> still annoying to type and I usually forget the exact details. I have a 
>> button that toggles VR3 on and off so that it's easy to view an embedded 
>> image once the RsT instruction is there. An embedding command would make 
>> embedding with Leo as easy as embedding an image in a word processor.  
>>  Aha, this is Leo, let's write a script!
>>
>> Here is a script that pops up a file dialog and inserts a relative path 
>> to the chosen file.  There are several small variations which I discuss 
>> after the code.
>>
>> """Insert RsT code at cursor to display an image.
>>
>> The path to the image file will come from a file dialog.
>> This action is undoable.
>> """
>> PATH = g.app.gui.runOpenFileDialog(c,
>>     title="Import File",
>>     filetypes=[("All files", "*"),],
>>     defaultextension=".*",
>>     multiple=False)
>>
>> if PATH:
>>     from os.path import relpath
>>     PATH = relpath(PATH)
>>     PATH = PATH.replace('\\', '/').replace('"', '').replace("'", '')
>>     IMAGE_TEMPLATE = f'''
>>
>> .. figure:: {PATH}
>>     :scale: 50%
>>
>> '''
>>     w = c.frame.body.wrapper
>>     p = c.p
>>     s = p.b
>>     u = c.undoer
>>
>>     start, _ = w.getSelectionRange()
>>
>>     undoType = 'insert-rst-image-code'
>>     undoData = u.beforeChangeNodeContents(p)
>>
>>     head, tail = s[:start], s[start:]
>>     p.b = head + IMAGE_TEMPLATE + tail
>>
>>     c.setChanged()
>>     p.setDirty()
>>     u.afterChangeNodeContents(p, undoType, undoData)
>>     c.redraw()
>>
>> Variations:
>> 1.  If you want an absolute path instead of a relative path, delete the 
>> lines
>>     from os.path import relpath
>>     PATH = relpath(PATH)
>> with
>>
>> 2. If you  want to get the path from the clipboard instead of a file 
>> dialog, replace the lines
>>
>> PATH = g.app.gui.runOpenFileDialog(c,
>>     title="Import File",
>>     filetypes=[("All files", "*"),],
>>     defaultextension=".*",
>>     multiple=False)
>>
>> with the line 
>>
>>     PATH = g.app.gui.getTextFromClipboard()
>>
>> 3. If you want the embedded image to be full width instead of 50%, delete 
>> the line
>>
>>     :scale: 50%
>>
>> 4. You can make this work with Markdown or Asciidoc by using their 
>> embedding instruction in the TEMPLATE instead of the RsT one.
>>
>> I have added the command to my own local menu.  VR3 can open in a tab in 
>> the log pane; the command for toggling in a tab is *vr3-toggle-tab. * I 
>> usually like opening it in the log pane instead of in its own separate pane.
>>
>> If you would like to create a local menu of your own and don't know how, 
>> it's easy.  Just ask and I'll show what to add to myLeoSettings,leo.
>>
>

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