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[escher] TableViewDataSource: implement default cumulatedWidthFromIndex,

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cumulatedWidthFromIndex, indexFromCumulatedWidth,
indexFromCumulatedHeight
This commit is contained in:
Émilie Feral
2018-06-06 17:15:46 +02:00
parent 2d580faf51
commit f6bdf56c15
12 changed files with 38 additions and 91 deletions
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16
apps/statistics/calculation_controller.cpp
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@@ -95,27 +95,11 @@ KDCoordinate CalculationController::rowHeight(int j) {
return k_cellHeight;
}
KDCoordinate CalculationController::cumulatedWidthFromIndex(int i) {
int result = 0;
for (int k = 0; k < i; k++) {
result += columnWidth(k);
}
return result;
}
KDCoordinate CalculationController::cumulatedHeightFromIndex(int j) {
return j*rowHeight(0);
}
int CalculationController::indexFromCumulatedWidth(KDCoordinate offsetX) {
int result = 0;
int i = 0;
while (result < offsetX && i < numberOfRows()) {
result += rowHeight(i++);
}
return (result < offsetX || offsetX == 0) ? i : i - 1;
}
int CalculationController::indexFromCumulatedHeight(KDCoordinate offsetY) {
return (offsetY-1) / rowHeight(0);
}