2015-07-07 19:28 GMT+03:00 Boudhayan Gupta <me at baloneygeek.com>: > On 7 July 2015 at 21:52, Alexander Potashev <aspotashev at gmail.com> wrote: >> 2015-07-07 19:04 GMT+03:00 Boudhayan Gupta <me at baloneygeek.com>: >>> + <para>Enabling the <guilabel>On >>> Click</guilabel> checkbox overrides the delay. When this checkbox is >>> enabled, pressing the <guibutton>Take New Screenshot</guibutton> (<keycombo >>> action="simul">&Ctrl;<keycap>N</keycap></keycombo>) button hides the >>> &kscreengenie; window and changes the mouse cursor to a crosshair. The >>> screenshot is captured when the mouse is left-clicked, or aborted if the >>> mouse is right-clicked. Note that you cannot interact with the desktop >>> using the mouse while the cursor is a crosshair, but you can use the >>> keyboard.</para> >> >> Hi Boudhayan, >> >> You are not stating the behaviour when middle or other mouse button is >> clicked. And what happens if I roll the mouse wheel? >> >> -- >> Alexander Potashev > > Hi Alexander, > > The technical detail of the implementation is like this: if it's > XCB_BUTTON_MASK_1 (which is left-click), take the shot, for any other > button abort. It's like this because XCB_BUTTON_MASKs differ from > mouse to mouse - i.e., on a two button mouse the right click is > XCB_BUTTON_MASK_2, while on a three-button mouse it is > XCB_BUTTON_MASK_3 with MASK_2 being the middle button. > > Scrolling the mouse wheel also generates button press events, so that > also aborts the shot. > > I'm not sure how to put so much information into a document meant for > users, so if you want to rephrase it, go ahead.
Boudhayan, I don't think it's reasonable to cancel the shot by mouse wheel. If we somehow ignore the scrolling event, then the doc could say "left click take a screenshot, clicking any other mouse button cancels". -- Alexander Potashev
