[Pcb-bugs] [ pcb-Bugs-3034038 ] panning while pcb is unfocused

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Bugs item #3034038, was opened at 2010-07-24 15:01
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Category: GTK HID
Group: None
Status: Open
Resolution: None
Priority: 5
Private: No
Submitted By: ameno ()
Assigned to: Nobody/Anonymous (nobody)
Summary: panning while pcb is unfocused

Initial Comment:
i often switch between desktops (or windows on the same desktop) to look up documentation or answer instant messages etc.
pcb does not handle this case correctly under certain conditions: when a tool is active, that enables autopanning.
example: i start drawing a line by selecting the line tool (F2) and clicking on the starting point (somewhere in the middle of the screen). before i end the stroke with a move and another click i switch to another desktop/window, when i switch back pcb has scrolled somewhere (and eating quite some cpu time) (note that all that happened without me moving the mouse at all).
one can see how this happens in gnome by pressing alt+tab and holding tab after starting a line.

without looking at the code i presume that the panning code gets activated whenever the cursor leaves the drawing area. since this also happens, when i switch the window, panning is activated undesirably. maybe a check could be added that activates panning only, if the pcb main window has focus?

ubuntu lucid's pcb version 20091103

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You can respond by visiting: 
https://sourceforge.net/tracker/?func=detail&atid=538811&aid=3034038&group_id=73743