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30 lines
1.1 KiB
C++
30 lines
1.1 KiB
C++
#ifndef ESCHER_TABLE_VIEW_DATA_SOURCE_H
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#define ESCHER_TABLE_VIEW_DATA_SOURCE_H
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#include <escher/view.h>
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#include <escher/highlight_cell.h>
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class TableViewDataSource {
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public:
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virtual int numberOfRows() const = 0;
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virtual int numberOfColumns() const = 0;
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virtual void willDisplayCellAtLocation(HighlightCell * cell, int i, int j);
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virtual KDCoordinate columnWidth(int i) = 0;
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virtual KDCoordinate rowHeight(int j) = 0;
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/* return the number of pixels to include in offset to display the column i at
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the top */
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virtual KDCoordinate cumulatedWidthFromIndex(int i);
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virtual KDCoordinate cumulatedHeightFromIndex(int j);
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/* return the number of columns (starting with first ones) that can be fully
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* displayed in offsetX pixels.
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* Caution: if the offset is exactly the size of n columns, the function
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* returns n-1. */
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virtual int indexFromCumulatedWidth(KDCoordinate offsetX);
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virtual int indexFromCumulatedHeight(KDCoordinate offsetY);
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virtual HighlightCell * reusableCell(int index, int type) = 0;
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virtual int reusableCellCount(int type) = 0;
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virtual int typeAtLocation(int i, int j) = 0;
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};
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#endif
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