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BMenu: fix menu navigation area

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Change-Id: If9326ebc99978627d9dfb1eaff67912f0114f292
Reviewed-on: https://review.haiku-os.org/c/haiku/+/2071
Reviewed-by: waddlesplash <[email protected]>
This commit is contained in:
X512
2020-02-25 04:41:22 +00:00
committed by waddlesplash
parent e18a08119d
commit 17a91a9886
1 changed files with 19 additions and 29 deletions
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src/kits/interface/Menu.cpp
+19 -29
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@@ -1911,39 +1911,29 @@ BMenu::_UpdateStateOpenSelect(BMenuItem* item, BPoint position,
return;
}
BRect menuBounds = ConvertToScreen(Bounds());
BRect submenuBounds;
if (fSelected->Submenu()->LockLooper()) {
fSelected->Submenu()->ConvertToScreen(
fSelected->Submenu()->Bounds());
fSelected->Submenu()->UnlockLooper();
}
float xOffset;
// navAreaRectAbove and navAreaRectBelow have the same X
// position and width, so it doesn't matter which one we use to
// calculate the X offset
if (menuBounds.left < submenuBounds.left)
xOffset = position.x - navAreaRectAbove.left;
else
xOffset = navAreaRectAbove.right - position.x;
bool inNavArea;
bool isLeft = ConvertFromScreen(navAreaRectAbove).left == 0;
BPoint p1, p2;
if (inNavAreaRectAbove) {
float yOffset = navAreaRectAbove.bottom - position.y;
float ratio = navAreaRectAbove.Width() / navAreaRectAbove.Height();
inNavArea = yOffset <= xOffset / ratio;
if (!isLeft) {
p1 = navAreaRectAbove.LeftBottom();
p2 = navAreaRectAbove.RightTop();
} else {
p2 = navAreaRectAbove.RightBottom();
p1 = navAreaRectAbove.LeftTop();
}
} else {
float yOffset = navAreaRectBelow.bottom - position.y;
float ratio = navAreaRectBelow.Width() / navAreaRectBelow.Height();
inNavArea = yOffset >= (navAreaRectBelow.Height() - xOffset
/ ratio);
if (!isLeft) {
p2 = navAreaRectBelow.LeftTop();
p1 = navAreaRectBelow.RightBottom();
} else {
p1 = navAreaRectBelow.RightTop();
p2 = navAreaRectBelow.LeftBottom();
}
}
bool inNavArea =
(p1.y - p2.y) * position.x + (p2.x - p1.x) * position.y
+ (p1.x - p2.x) * p1.y + (p2.y - p1.y) * p1.x >= 0;
bigtime_t systime = system_time();