mirror of https://github.com/axmolengine/axmol.git
Add padding options to ListView (#17587)
* Add options to ListView for setting padding * Add 'setPadding' method test cases.
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@ -39,6 +39,10 @@ _gravity(Gravity::CENTER_VERTICAL),
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_magneticType(MagneticType::NONE),
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_magneticAllowedOutOfBoundary(true),
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_itemsMargin(0.0f),
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_leftPadding(0.0f),
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_topPadding(0.0f),
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_rightPadding(0.0f),
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_bottomPadding(0.0f),
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_scrollTime(DEFAULT_TIME_IN_SEC_FOR_SCROLL_TO_ITEM),
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_curSelectedIndex(-1),
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_innerContainerDoLayoutDirty(true),
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@ -113,7 +117,7 @@ void ListView::updateInnerContainerSize()
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case Direction::VERTICAL:
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{
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size_t length = _items.size();
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float totalHeight = (length - 1) * _itemsMargin;
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float totalHeight = (length - 1) * _itemsMargin + (_topPadding + _bottomPadding);
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for (auto& item : _items)
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{
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totalHeight += item->getContentSize().height;
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@ -126,7 +130,7 @@ void ListView::updateInnerContainerSize()
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case Direction::HORIZONTAL:
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{
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size_t length = _items.size();
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float totalWidth = (length - 1) * _itemsMargin;
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float totalWidth = (length - 1) * _itemsMargin + (_leftPadding + _rightPadding);
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for (auto& item : _items)
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{
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totalWidth += item->getContentSize().width;
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@ -162,11 +166,15 @@ void ListView::remedyVerticalLayoutParameter(LinearLayoutParameter* layoutParame
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if (0 == itemIndex)
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{
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layoutParameter->setMargin(Margin::ZERO);
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layoutParameter->setMargin(Margin(_leftPadding, _topPadding, _rightPadding, 0.f));
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}
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else if (_items.size() - 1 == itemIndex)
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{
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layoutParameter->setMargin(Margin(_leftPadding, _itemsMargin, _rightPadding, _bottomPadding));
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}
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else
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{
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layoutParameter->setMargin(Margin(0.0f, _itemsMargin, 0.0f, 0.0f));
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layoutParameter->setMargin(Margin(_leftPadding, _itemsMargin, _rightPadding, 0.0f));
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}
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}
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@ -190,11 +198,15 @@ void ListView::remedyHorizontalLayoutParameter(LinearLayoutParameter* layoutPara
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}
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if (0 == itemIndex)
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{
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layoutParameter->setMargin(Margin::ZERO);
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layoutParameter->setMargin(Margin(_leftPadding, _topPadding, 0.f, _bottomPadding));
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}
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else if (_items.size() == itemIndex)
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{
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layoutParameter->setMargin(Margin(_itemsMargin, _topPadding, _rightPadding, _bottomPadding));
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}
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else
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{
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layoutParameter->setMargin(Margin(_itemsMargin, 0.0f, 0.0f, 0.0f));
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layoutParameter->setMargin(Margin(_itemsMargin, _topPadding, 0.f, _bottomPadding));
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}
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}
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@ -441,6 +453,79 @@ float ListView::getItemsMargin()const
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return _itemsMargin;
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}
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void ListView::setPadding(float l, float t, float r, float b)
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{
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if (l == _leftPadding && t == _topPadding && r == _rightPadding && b == _bottomPadding)
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{
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return;
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}
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_leftPadding = l;
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_topPadding = t;
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_rightPadding = r;
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_bottomPadding = b;
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requestDoLayout();
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}
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void ListView::setLeftPadding(float l)
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{
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if (l == _leftPadding)
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{
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return;
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}
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_leftPadding = l;
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requestDoLayout();
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}
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void ListView::setTopPadding(float t)
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{
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if (t == _topPadding)
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{
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return;
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}
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_topPadding = t;
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requestDoLayout();
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}
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void ListView::setRightPadding(float r)
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{
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if (r == _rightPadding)
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{
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return;
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}
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_rightPadding = r;
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requestDoLayout();
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}
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void ListView::setBottomPadding(float b)
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{
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if (b == _bottomPadding)
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{
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return;
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}
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_bottomPadding = b;
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requestDoLayout();
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}
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float ListView::getLeftPadding() const
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{
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return _leftPadding;
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}
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float ListView::getTopPadding() const
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{
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return _topPadding;
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}
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float ListView::getRightPadding() const
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{
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return _rightPadding;
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}
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float ListView::getBottomPadding() const
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{
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return _bottomPadding;
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}
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void ListView::setScrollDuration(float time)
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{
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if (time >= 0)
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@ -244,6 +244,63 @@ public:
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*/
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float getItemsMargin()const;
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/**
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* Change padding with left, top, right, and bottom padding.
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* @param l Left padding in float.
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* @param t Top margin in float.
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* @param r Right margin in float.
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* @param b Bottom margin in float.
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*/
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void setPadding(float l, float t, float r, float b);
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/**
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* Change padding with left padding
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* @param l Left padding in float.
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*/
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void setLeftPadding(float l);
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/**
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* Change padding with top padding
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* @param t Top padding in float
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*/
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void setTopPadding(float t);
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/**
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* Change padding with right padding
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* @param r Right padding in float
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*/
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void setRightPadding(float r);
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/**
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* Change padding with bottom padding
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* @param b Bottom padding in float
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*/
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void setBottomPadding(float b);
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/**
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* Get the left padding in ListView
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* @return Left padding in float
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*/
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float getLeftPadding() const;
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/**
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* Get the top padding in ListView
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* @return Top padding in float
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*/
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float getTopPadding() const;
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/**
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* Get the right padding in ListView
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* @return Right padding in float
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*/
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float getRightPadding() const;
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/**
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* Get the bottom padding in ListView
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* @return Bottom padding in float
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*/
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float getBottomPadding() const;
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/**
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* Set the time in seconds to scroll between items.
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* Subsequent calls of function 'scrollToItem', will take 'time' seconds for scrolling.
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@ -442,6 +499,11 @@ protected:
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float _itemsMargin;
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float _leftPadding;
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float _topPadding;
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float _rightPadding;
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float _bottomPadding;
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float _scrollTime;
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ssize_t _curSelectedIndex;
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@ -13,6 +13,8 @@ UIListViewTests::UIListViewTests()
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ADD_TEST_CASE(UIListViewTest_ScrollToItemHorizontal);
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ADD_TEST_CASE(UIListViewTest_MagneticVertical);
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ADD_TEST_CASE(UIListViewTest_MagneticHorizontal);
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ADD_TEST_CASE(UIListViewTest_PaddingVertical);
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ADD_TEST_CASE(UIListViewTest_PaddingHorizontal);
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ADD_TEST_CASE(Issue12692);
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ADD_TEST_CASE(Issue8316);
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}
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@ -871,3 +873,187 @@ bool UIListViewTest_Magnetic::init()
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}
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return true;
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}
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// UIListViewTest_Padding
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bool UIListViewTest_Padding::init()
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{
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if(!UIScene::init())
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{
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return false;
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}
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Size layerSize = _uiLayer->getContentSize();
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_titleLabel = Text::create("Set Padding", "fonts/Marker Felt.ttf", 32);
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_titleLabel->setAnchorPoint(Vec2::ANCHOR_MIDDLE);
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_titleLabel->setPosition(Vec2(layerSize / 2) + Vec2(0, _titleLabel->getContentSize().height * 3.15f));
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_uiLayer->addChild(_titleLabel, 3);
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// Create the list view
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_listView = ListView::create();
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_listView->setDirection(getListViewDirection());
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_listView->setBounceEnabled(true);
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_listView->setBackGroundImage("cocosui/green_edit.png");
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_listView->setBackGroundImageScale9Enabled(true);
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_listView->setContentSize(layerSize / 2);
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_listView->setScrollBarPositionFromCorner(Vec2(7, 7));
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_listView->setItemsMargin(2.0f);
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_listView->setAnchorPoint(Vec2::ANCHOR_MIDDLE);
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_listView->setGravity(ListView::Gravity::TOP);
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_listView->setPosition(layerSize / 2);
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_uiLayer->addChild(_listView);
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// Guide line for center align
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{
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DrawNode* pNode = DrawNode::create();
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Vec2 center = layerSize / 2;
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if(getListViewDirection() == ScrollView::Direction::HORIZONTAL)
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{
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float halfY = 110;
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pNode->drawLine(Vec2(center.x, center.y - halfY), Vec2(center.x, center.y + halfY), Color4F(0, 0, 0, 1));
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}
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else
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{
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float halfX = 150;
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pNode->drawLine(Vec2(center.x - halfX, center.y), Vec2(center.x + halfX, center.y), Color4F(0, 0, 0, 1));
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}
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pNode->setLineWidth(2);
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_uiLayer->addChild(pNode);
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}
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// Slider for setting padding
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{
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auto title = Text::create("Padding", "fonts/Marker Felt.ttf", 14);
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title->setAnchorPoint(Vec2::ANCHOR_MIDDLE);
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title->setPosition(Vec2(30, 170));
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_uiLayer->addChild(title);
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for (int i = 0; i < 4; ++i)
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{
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auto slider = Slider::create();
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slider->loadBarTexture("cocosui/sliderTrack.png");
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slider->loadSlidBallTextures("cocosui/sliderThumb.png", "cocosui/sliderThumb.png", "");
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slider->loadProgressBarTexture("cocosui/sliderProgress.png");
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slider->setScale9Enabled(true);
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slider->setCapInsets(Rect(0, 0, 0, 0));
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slider->setContentSize(Size(30, 10));
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slider->setPosition(Vec2(60, 150 - (25 * i)));
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slider->addEventListener(CC_CALLBACK_2(UIListViewTest_Padding::sliderEvent, this));
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slider->setTag(i);
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_uiLayer->addChild(slider);
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std::string str;
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if (i == 0) str = "Left";
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else if (i == 1) str = "Top";
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else if (i == 2) str = "Right";
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else if (i == 3) str = "Bottom";
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// Show title of slider
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{
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auto text = Text::create(str, "fonts/Marker Felt.ttf", 12);
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text->setAnchorPoint(Vec2::ANCHOR_MIDDLE_LEFT);
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text->setPosition(Vec2(3, 150 - (25 * i)));
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_uiLayer->addChild(text);
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}
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// Show value of paddings
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{
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auto text = Text::create(str + "\nPadding=0", "fonts/Marker Felt.ttf", 12);
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text->setAnchorPoint(Vec2::ANCHOR_MIDDLE_LEFT);
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text->setPosition(Vec2(layerSize.width - 65, 200 - (40 * i)));
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_uiLayer->addChild(text);
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_paddingLabels[i] = text;
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}
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}
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}
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// Show the indexes of items on each boundary.
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{
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for(int i = 0; i < 5; ++i)
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{
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_indexLabels[i] = Text::create(" ", "fonts/Marker Felt.ttf", 12);
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_indexLabels[i]->setAnchorPoint(Vec2::ANCHOR_MIDDLE);
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_uiLayer->addChild(_indexLabels[i]);
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}
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float deltaX = 145, deltaY = 90;
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_indexLabels[0]->setPosition(_uiLayer->getContentSize() / 2 + Size(-deltaX, 0)); // left
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_indexLabels[1]->setPosition(_uiLayer->getContentSize() / 2 + Size(deltaX, 0)); // right
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_indexLabels[2]->setPosition(_uiLayer->getContentSize() / 2 + Size(0, deltaY)); // top
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_indexLabels[3]->setPosition(_uiLayer->getContentSize() / 2 + Size(0, -deltaY)); // bottom
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_indexLabels[4]->setPosition(_uiLayer->getContentSize() / 2 + Size(deltaX, deltaY)); // center
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// Callback
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_listView->ScrollView::addEventListener([this](Ref* ref, ScrollView::EventType eventType) {
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ListView* listView = dynamic_cast<ListView*>(ref);
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if(listView == nullptr || eventType != ScrollView::EventType::CONTAINER_MOVED)
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{
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return;
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}
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auto left = listView->getLeftmostItemInCurrentView();
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auto right = listView->getRightmostItemInCurrentView();
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auto top = listView->getTopmostItemInCurrentView();
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auto bottom = listView->getBottommostItemInCurrentView();
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auto center = listView->getCenterItemInCurrentView();
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_indexLabels[0]->setString(StringUtils::format("Left\nindex=%zd", listView->getIndex(left)));
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_indexLabels[1]->setString(StringUtils::format("RIght\nindex=%zd", listView->getIndex(right)));
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_indexLabels[2]->setString(StringUtils::format("Top index=%zd", listView->getIndex(top)));
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_indexLabels[3]->setString(StringUtils::format("Bottom index=%zd", listView->getIndex(bottom)));
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_indexLabels[4]->setString(StringUtils::format("Center\nindex=%zd", listView->getIndex(center)));
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});
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}
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// Add list items
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static const Size BUTTON_SIZE(100, 70);
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for (int i = 0; i < 40; ++i)
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{
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auto pButton = Button::create("cocosui/button.png", "cocosui/buttonHighlighted.png");
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pButton->setContentSize(BUTTON_SIZE);
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pButton->setScale9Enabled(true);
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pButton->setTitleText(StringUtils::format("Button-%d", i));
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_listView->pushBackCustomItem(pButton);
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}
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return true;
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}
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void UIListViewTest_Padding::sliderEvent(Ref *pSender, Slider::EventType type)
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{
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if (type == Slider::EventType::ON_PERCENTAGE_CHANGED)
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{
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auto slider = dynamic_cast<Slider*>(pSender);
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// left
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if (slider && slider->getTag() == 0)
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{
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int left = slider->getPercent() / 100.f * 50.f;
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CCLOG("Left Padding: %d", left);
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_listView->setLeftPadding(left);
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_paddingLabels[0]->setString(StringUtils::format("Left\nPadding=%d", left));
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}
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// top
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if (slider && slider->getTag() == 1)
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{
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int top = slider->getPercent() / 100.f * 50.f;
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CCLOG("Top Padding: %d", top);
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_listView->setTopPadding(top);
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_paddingLabels[1]->setString(StringUtils::format("Top\nPadding=%d", top));
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}
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// right
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if (slider && slider->getTag() == 2)
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{
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int right = slider->getPercent() / 100.f * 50.f;
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CCLOG("Right Padding: %d", right);
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_listView->setRightPadding(right);
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_paddingLabels[2]->setString(StringUtils::format("Right\nPadding=%d", right));
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}
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// bottom
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if (slider && slider->getTag() == 3)
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{
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int bottom = slider->getPercent() / 100.f * 50.f;
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CCLOG("Bottom Padding: %d", bottom);
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_listView->setBottomPadding(bottom);
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_paddingLabels[3]->setString(StringUtils::format("Bottom\nPadding=%d", bottom));
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}
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}
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}
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@ -179,4 +179,41 @@ public:
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}
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};
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// Test for setting padding
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class UIListViewTest_Padding : public UIScene
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{
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protected:
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virtual bool init() override;
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virtual cocos2d::ui::ScrollView::Direction getListViewDirection() const = 0;
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void sliderEvent(cocos2d::Ref *pSender, cocos2d::ui::Slider::EventType type);
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cocos2d::ui::ListView* _listView;
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cocos2d::ui::Text* _titleLabel;
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cocos2d::ui::Text* _indexLabels[5];
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cocos2d::ui::Text* _paddingLabels[4];
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};
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class UIListViewTest_PaddingVertical : public UIListViewTest_Padding
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{
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public:
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CREATE_FUNC(UIListViewTest_PaddingVertical);
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virtual cocos2d::ui::ScrollView::Direction getListViewDirection() const
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{
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return cocos2d::ui::ScrollView::Direction::VERTICAL;
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}
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};
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class UIListViewTest_PaddingHorizontal : public UIListViewTest_Padding
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{
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public:
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CREATE_FUNC(UIListViewTest_PaddingHorizontal);
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virtual cocos2d::ui::ScrollView::Direction getListViewDirection() const
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{
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return cocos2d::ui::ScrollView::Direction::HORIZONTAL;
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}
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};
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#endif /* defined(__TestCpp__UIListViewTest__) */
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