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Add IGUIScrollbar implementation with variable bar sizes (#8507)

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This commit is contained in:
stujones11
2019-05-24 16:42:05 +01:00
committed by rubenwardy
parent a2848c9cde
commit b917ea4723
10 changed files with 543 additions and 14 deletions
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10
src/gui/intlGUIEditBox.cpp
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@@ -113,6 +113,9 @@ intlGUIEditBox::~intlGUIEditBox()
if (Operator)
Operator->drop();
if (m_vscrollbar)
m_vscrollbar->drop();
}
@@ -1479,7 +1482,9 @@ void intlGUIEditBox::createVScrollBar()
irr::core::rect<s32> scrollbarrect = FrameRect;
scrollbarrect.UpperLeftCorner.X += FrameRect.getWidth() - m_scrollbar_width;
m_vscrollbar = Environment->addScrollBar(false, scrollbarrect, getParent(), getID());
m_vscrollbar = new guiScrollBar(Environment, getParent(), -1,
scrollbarrect, false, true);
m_vscrollbar->setVisible(false);
m_vscrollbar->setSmallStep(3 * fontHeight);
m_vscrollbar->setLargeStep(10 * fontHeight);
@@ -1501,6 +1506,7 @@ void intlGUIEditBox::updateVScrollBar()
if (scrollymax != m_vscrollbar->getMax()) {
// manage a newline or a deleted line
m_vscrollbar->setMax(scrollymax);
m_vscrollbar->setPageSize(s32(getTextDimension().Height));
calculateScrollPos();
} else {
// manage a newline or a deleted line
@@ -1513,6 +1519,7 @@ void intlGUIEditBox::updateVScrollBar()
s32 scrollymax = getTextDimension().Height - FrameRect.getHeight();
if (scrollymax != m_vscrollbar->getMax()) {
m_vscrollbar->setMax(scrollymax);
m_vscrollbar->setPageSize(s32(getTextDimension().Height));
}
if (!m_vscrollbar->isVisible() && MultiLine) {
@@ -1527,6 +1534,7 @@ void intlGUIEditBox::updateVScrollBar()
VScrollPos = 0;
m_vscrollbar->setPos(0);
m_vscrollbar->setMax(1);
m_vscrollbar->setPageSize(s32(getTextDimension().Height));
m_vscrollbar->setVisible(false);
}
}