Comment #3 on issue 18792 by vandebo: Middle click doesn't trigger onpaste
event
http://code.google.com/p/chromium/issues/detail?id=18792
Middle click currently works like this:
Browser: Middle click is sent to the renderer as an InputEvent
Renderer: In WebViewImpl::MouseUp, middle click triggers
RenderView::PasteFromSelectionClipboard, which sends a
ViewHostMsg_PasteFromSelectionClipboard IPC
Browser: The PRIMARY selection is obtained and
RenderWidgetHostViewGtk::ReceivedSelectionText sends a ViewMsg_InsertText
IPC
The InsertText IPC is not a paste event, so the onpaste and beforepaste
handlers are
not triggered.
Instead of sending a ViewHostMsg_PasteFromSelectionClipboard, the Renderer
could
execute a Paste command
(editor->command(AtomicString("Paste")).execute();). This
would trigger the appropriate handlers, but paste the clipboard text
instead of the
PRIMARY selection text. (WebClipboardImpl::readPlainText() sends a
ViewHostMsg_ClipboardReadText IPC, which always responds with the clipboard
text.)
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