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Replace Window::scrolling_scrollbar with Window::mouse_capture_widget #7227

merged 3 commits into from Feb 21, 2019


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@PeterN PeterN commented Feb 14, 2019

This allows us to support generic widget scrolling/dragging. Scrollbars are now handled by testing that the widget type is NWID_VSCROLLBAR or NWID_HSCROLLBAR, otherwise an OnClick() event is dispatched to the window with click_count of zero (logically no additional clicks have been made).

This is followed up by setting mouse_capture_widget when dragging a music window volume slider, see #7209 for reference.

And for completeness, click-left dragging the smallmap is improved (and matches right-click dragging behaviour) by setting mouse_capture_widget.

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@PeterN PeterN force-pushed the PeterN:active-widget branch from 3ee8300 to d5abf53 Feb 14, 2019
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@LordAro LordAro left a comment

No issues, with the exception of the active_widget rename

PeterN added 3 commits Feb 14, 2019
…ispatch OnClick() event if widget is not a scrollbar.

This allows any widget to support mouse capture.
This makes the slider continue to respond even when mouse cursor
is no longer over the widget.
This allows the mini-map to be dragged when the cursor has left the widget.
@PeterN PeterN force-pushed the PeterN:active-widget branch from d5abf53 to ae43e96 Feb 20, 2019
@PeterN PeterN changed the title Replace Window::scrolling_scrollbar with Window::active_widget Replace Window::scrolling_scrollbar with Window::mouse_capture_widget Feb 20, 2019
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@PeterN PeterN commented Feb 21, 2019

Variable has been renamed :-)

@LordAro LordAro merged commit 6733b71 into OpenTTD:master Feb 21, 2019
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@PeterN PeterN deleted the PeterN:active-widget branch Feb 21, 2019
PeterN added a commit to PeterN/OpenTTD that referenced this pull request Feb 21, 2019
LordAro added a commit that referenced this pull request Feb 22, 2019
nielsmh added a commit to nielsmh/OpenTTD that referenced this pull request Mar 11, 2019
douiwby added a commit to douiwby/OpenTTD that referenced this pull request Apr 16, 2020
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