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Docs: Factor out drags

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Joshua Bell 2017-09-24 16:26:15 -07:00 committed by GitHub
parent 8e7e9f3dec
commit d51708fa43
1 changed files with 13 additions and 10 deletions
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desk.acc/a2d.md
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@ -69,15 +69,19 @@ optional _resize box_ and optional _scroll bars_.
* Call A2D_GET_INPUT. * Call A2D_GET_INPUT.
* If a key (A2D_INPUT_KEY), then check modifiers (Open/Closed Apple) and key code, ignore or take action. * If a key (A2D_INPUT_KEY), then check modifiers (Open/Closed Apple) and key code, ignore or take action.
* If a click, call A2D_QUERY_TARGET. * If a click, call A2D_QUERY_TARGET.
* Check target window id. If not a match, ignore. * If target id not the window id, ignore.
* Check target element. * If target element is desktop (A2D_ELEM_DESKTOP) or menu (A2D_ELEM_MENU) then ignore.
* If close box (A2D_ELEM_CLOSE) then call A2D_CLOSE_CLICK; if not aborted, exit the DA, otherwise ignore. * If target element is close box (A2D_ELEM_CLOSE) then initiate [window close](#window-close).
* If title bar (A2D_ELEM_TITLE) then initiate [window drag](#window-drag). * If target element is title bar (A2D_ELEM_TITLE) then initiate [window drag](#window-drag).
* If resize box (A2D_ELEM_RESIZE) then initiate [window resize](#window-resize). * If target element is resize box (A2D_ELEM_RESIZE) then initiate [window resize](#window-resize).
* If not client area (A2D_ELEM_CLIENT) then it's either the desktop or menu; ignore. * Otherwise, it is client area (A2D_ELEM_CLIENT); call A2D_QUERY_CLIENT.
* Call A2D_QUERY_CLIENT. * If client part is a scrollbar (A2D_VSCROLL or A2D_HSCROLL) then initiate a [scroll](#window-scroll).
* If part is a scrollbar (A2D_VSCROLL or A2D_HSCROLL) then initiate a [scroll](#window-scroll). * Otherwise, handle a client click using custom logic (e.g. hit testing buttons, etc)
* Handle a client click using custom logic.
#### Window Close
* Call A2D_CLOSE_CLICK, which enters a modal loop to handle the mouse moving out/in the box.
* Result indicates clicked or canceled; if clicked, exit the DA, otherwise ignore.
#### Window Drag #### Window Drag
@ -87,7 +91,6 @@ optional _resize box_ and optional _scroll bars_.
* Set _offscreen flag_ if window's `top` is greater than or equal to the screen bottom (191), clear otherwise. * Set _offscreen flag_ if window's `top` is greater than or equal to the screen bottom (191), clear otherwise.
* If _offscreen flag_ is not set, redraw window. * If _offscreen flag_ is not set, redraw window.
#### Window Resize #### Window Resize
* Call A2D_DRAG_RESIZE. * Call A2D_DRAG_RESIZE.