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Add IGUIScrollbar implementation with variable bar sizes (#8507)

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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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12
src/gui/guiEditBoxWithScrollbar.cpp
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@ -13,7 +13,6 @@
#include "porting.h"
#include "Keycodes.h"
/*
todo:
optional scrollbars [done]
@ -76,7 +75,8 @@ GUIEditBoxWithScrollBar::~GUIEditBoxWithScrollBar()
if (m_operator)
m_operator->drop();
m_vscrollbar->remove();
if (m_vscrollbar)
m_vscrollbar->drop();
}
@ -1400,7 +1400,9 @@ void GUIEditBoxWithScrollBar::createVScrollBar()
irr::core::rect<s32> scrollbarrect = m_frame_rect;
scrollbarrect.UpperLeftCorner.X += m_frame_rect.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(1);
m_vscrollbar->setLargeStep(1);
@ -1422,6 +1424,7 @@ void GUIEditBoxWithScrollBar::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
@ -1436,6 +1439,7 @@ void GUIEditBoxWithScrollBar::updateVScrollBar()
s32 scrollymax = getTextDimension().Height - m_frame_rect.getHeight();
if (scrollymax != m_vscrollbar->getMax()) {
m_vscrollbar->setMax(scrollymax);
m_vscrollbar->setPageSize(s32(getTextDimension().Height));
}
if (!m_vscrollbar->isVisible()) {
@ -1448,10 +1452,10 @@ void GUIEditBoxWithScrollBar::updateVScrollBar()
m_vscroll_pos = 0;
m_vscrollbar->setPos(0);
m_vscrollbar->setMax(1);
m_vscrollbar->setPageSize(s32(getTextDimension().Height));
}
}
}
//! set true if this editbox is writable