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Cleanup ResizeHandle code

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Signed-off-by: falkTX <falktx@falktx.com>
This commit is contained in:
falkTX 2021-12-15 12:02:57 +00:00
parent e226cbe101
commit fed5823bc7
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GPG key ID: CDBAA37ABC74FBA0
1 changed files with 7 additions and 32 deletions
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39
src/ResizeHandle.hpp
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@ -39,6 +39,7 @@ public:
explicit ResizeHandle(TopLevelWidget* const tlw)
: TopLevelWidget(tlw->getWindow()),
handleSize(16),
hasCursor(false),
isResizing(false)
{
resetArea();
@ -120,7 +121,6 @@ protected:
private:
Rectangle<uint> area;
Line<double> l1, l2, l3;
uint handleSize;
// event handling state
@ -130,48 +130,23 @@ private:
void recheckCursor(const Point<double>& pos)
{
const bool shouldSetCursor = area.contains(pos);
const bool shouldHaveCursor = area.contains(pos);
if (shouldSetCursor == hasCursor)
if (shouldHaveCursor == hasCursor)
return;
hasCursor = shouldSetCursor;
setCursor(shouldSetCursor ? kMouseCursorDiagonal : kMouseCursorArrow);
hasCursor = shouldHaveCursor;
setCursor(shouldHaveCursor ? kMouseCursorDiagonal : kMouseCursorArrow);
}
void resetArea()
{
const double scaleFactor = getScaleFactor();
const uint margin = 0.0 * scaleFactor;
const uint size = handleSize * scaleFactor;
area = Rectangle<uint>(getWidth() - size - margin,
getHeight() - size - margin,
area = Rectangle<uint>(getWidth() - size,
getHeight() - size,
size, size);
recreateLines(area.getX(), area.getY(), size);
}
void recreateLines(const uint x, const uint y, const uint size)
{
uint linesize = size;
uint offset = 0;
// 1st line, full diagonal size
l1.setStartPos(x + size, y);
l1.setEndPos(x, y + size);
// 2nd line, bit more to the right and down, cropped
offset += size / 3;
linesize -= size / 3;
l2.setStartPos(x + linesize + offset, y + offset);
l2.setEndPos(x + offset, y + linesize + offset);
// 3rd line, even more right and down
offset += size / 3;
linesize -= size / 3;
l3.setStartPos(x + linesize + offset, y + offset);
l3.setEndPos(x + offset, y + linesize + offset);
}
DISTRHO_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR(ResizeHandle)