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Code Issues Releases Activity

More mouse scrolling fixes

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Defect:
After my previous change that enabled map layer (`CAdvMapInt`) to listen to all mouse move events via `strongInterest` bool, I noticed that there are a few scenario that start scrolling the map unexpectedly. The two that were the easiest to reproduce were using keyboard arrows to move the hero or dimissing a popup dialog.

I traced this down to unexpected mouse move event (`SDL_MouseMotionEvent`) that SDL seems to dispatch in this situation. The windowID that comes with the event in this scenario is 0 (so no window with mouse focus). I don't know why SDL dispatches this mysterious (to me) mouse move event in that case (note that there is no actual mouse movement in either repro case).

Fix:
Don't handle the mouse move event if the windowID of the mouse motion event is 0.

Notes:
Impacts scrolling of the game map. Did some play testing and didn't notice the scrolling not working when expected. The two specific cases where the map would scroll unexpectedly (move a hero with keyboard arrows or dismiss a popup dialog) no longer move the map.
This commit is contained in:
JakubK
2020-01-04 22:45:33 -08:00
parent 98e2d177c0
commit a8d5081895
1 changed files with 2 additions and 1 deletions
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3
client/windows/CAdvmapInterface.cpp
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@@ -1455,7 +1455,8 @@ void CAdvMapInt::mouseMoved( const SDL_MouseMotionEvent & sEvent )
#endif
// adventure map scrolling with mouse
// currently disabled in world view mode (as it is in OH3), but should work correctly if mode check is removed
if(!isCtrlKeyDown() && isActive() && mode == EAdvMapMode::NORMAL)
// don't scroll if there is no window in focus - these events don't seem to correspond to the actual mouse movement
if(!isCtrlKeyDown() && isActive() && sEvent.windowID != 0 && mode == EAdvMapMode::NORMAL)
{
if(sEvent.x<15)
{