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Fix #107789: Prevent area maximizing when dragging #107803

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YimingWu merged 3 commits from ChengduLittleA/blender:drag_prevent_maximize into main 2023-06-07 06:21:08 +02:00
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YimingWu commented 2023-05-10 08:19:43 +02:00
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Calling screen maximize while dragging could lead to UI layout change
which affects context, this lead to crashes in the icon drawing and
selection code. This patch prevents maximize operator from running if
dragging is in progress.

Might need to look into why drag->imb->rect is None immediately after
calling maximize, we might want it to work since it's sometimes
more convenient to drag then put into a big recieving box. But since
wmDropBox is predetermined, this can be a somewhat problematic.

Calling screen maximize while dragging could lead to UI layout change which affects context, this lead to crashes in the icon drawing and selection code. This patch prevents maximize operator from running if dragging is in progress. Might need to look into why `drag->imb->rect` is None immediately after calling maximize, we might want it to work since it's sometimes more convenient to drag then put into a big recieving box. But since `wmDropBox` is predetermined, this can be a somewhat problematic.
YimingWu added the
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User Interface
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Philipp Oeser added this to the User Interface project 2023-05-10 11:27:26 +02:00
Harley Acheson commented 2023-05-10 18:36:23 +02:00
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Seems reasonable. Although I'd probably use BLI_listbase_is_empty(&wm->drags) though.

Seems reasonable. Although I'd probably use `BLI_listbase_is_empty(&wm->drags)` though.
YimingWu commented 2023-05-11 05:42:41 +02:00
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Good point. Fixed.

Good point. Fixed.
Harley Acheson reviewed 2023-06-06 22:22:58 +02:00
source/blender/editors/screen/screen_ops.c Outdated
@ -3340,11 +3340,14 @@ static bool screen_maximize_area_poll(bContext *C)
const wmWindow *win = CTX_wm_window(C);
const bScreen *screen = CTX_wm_screen(C);
const ScrArea *area = CTX_wm_area(C);
wmWindowManager *wm = CTX_wm_manager(C);
Harley Acheson commented 2023-06-06 22:22:58 +02:00
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should be const like those above

should be const like those above
ChengduLittleA marked this conversation as resolved
Harley Acheson reviewed 2023-06-06 22:24:17 +02:00
source/blender/editors/screen/screen_ops.c Outdated
@ -3347,1 +3348,3 @@
!WM_window_is_temp_screen(win);
!WM_window_is_temp_screen(win) &&
/* Don't maximize when dragging. */
!BLI_listbase_is_empty(&wm->drags);
Harley Acheson commented 2023-06-06 22:24:17 +02:00
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This "Not" is incorrect. This would only allow maximizing if you ARE dragging. You'll need to remove that "!" to do what you want.

This "Not" is incorrect. This would only allow maximizing if you ARE dragging. You'll need to remove that "!" to do what you want.
ChengduLittleA marked this conversation as resolved
Harley Acheson requested review from Harley Acheson 2023-06-06 22:24:31 +02:00
YimingWu force-pushed drag_prevent_maximize from 5c67394d7b to 2904f4e02e 2023-06-07 05:54:25 +02:00 Compare
Harley Acheson approved these changes 2023-06-07 06:07:43 +02:00
YimingWu merged commit 0a891184fa into main 2023-06-07 06:21:08 +02:00
YimingWu deleted branch drag_prevent_maximize 2023-06-07 06:21:11 +02:00
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