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Allow horizontal scrollbar for ListView items #147

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merged 5 commits into from Sep 26, 2020
Merged

Allow horizontal scrollbar for ListView items #147

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5959b83
Allow horizontal scrollbar for ListView items
Miv99 Sep 24, 2020
f971136
Optimize ListView max item widths calculations
Miv99 Sep 25, 2020
544eb6b
Fix removeAllColumns() not resetting m_maxItemWidth
Miv99 Sep 25, 2020
28b5fa8
Fix for real this time
Miv99 Sep 25, 2020
8e67d94
More optimizations for ListView
Miv99 Sep 26, 2020
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29 changes: 29 additions & 0 deletions include/TGUI/Widgets/ListView.hpp
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Expand Up @@ -70,6 +70,7 @@ namespace tgui
{
float width = 0;
float designWidth = 0;
float maxItemWidth = 0;
Text text;
ColumnAlignment alignment = ColumnAlignment::Left;
};
Expand Down Expand Up @@ -884,6 +885,27 @@ namespace tgui
void updateSelectedItem(int item);


/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
// Update the maximum item width of the last column by recalculating all items' widths.
// Returns whether the max item width was changed.
/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
bool updateLastColumnMaxItemWidth();


/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
// Update the maximum item width of the last column based on the addition of an Item.
// Returns true if the maximum item width was changed.
/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
bool updateLastColumnMaxItemWidthWithNewItem(const Item& item);


/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
// Update the maximum item width of the last column based on the modification of an Item.
// Returns true if the maximum item width was changed.
/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
bool updateLastColumnMaxItemWidthWithModifiedItem(const Item& modifiedItem, float oldDesiredWidthInLastColumn);


/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
// Add item to selected set
/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
Expand All @@ -908,6 +930,12 @@ namespace tgui
unsigned int getTotalSeparatorWidth() const;


/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
// Returns the total width an Item takes up at some column, assuming it will not be cut off by the column.
/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
float getItemTotalWidth(const Item& item, std::size_t columnIndex) const;


/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
// Found out which column is located below the mouse. The mouseLeft is relative to the widget position.
// This function should only be called after checking that the mouse is positioned on top of the header.
Expand Down Expand Up @@ -986,6 +1014,7 @@ namespace tgui
unsigned int m_gridLinesWidth = 1;
unsigned int m_iconCount = 0;
float m_maxIconWidth = 0;
float m_maxItemWidth = 0; // If there are no columns, this is the maximum width from all items
bool m_headerVisible = true;
bool m_showHorizontalGridLines = false;
bool m_showVerticalGridLines = true;
Expand Down