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Timeline: Fix aggregator's next() and prev() for equal start times

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Previously it would skip over items with equal start times.

Change-Id: I7a6652ea732e851d382d06f05ff1146ef37b0dae
Reviewed-by: Joerg Bornemann <joerg.bornemann@theqtcompany.com>
This commit is contained in:
Ulf Hermann
2015-04-09 18:11:15 +02:00
parent 0df8cc2e02
commit f3492700ea
1 changed files with 19 additions and 9 deletions
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28
src/libs/timeline/timelinemodelaggregator.cpp
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@@ -139,10 +139,13 @@ QVariantMap TimelineModelAggregator::nextItem(int selectedModel, int selectedIte
if (selectedModel == i) {
itemIndexes[i] = (selectedItem + 1) % currentModel->count();
} else {
if (currentModel->startTime(0) > time)
if (currentModel->startTime(0) >= time)
itemIndexes[i] = 0;
else
itemIndexes[i] = (currentModel->lastIndex(time) + 1) % currentModel->count();
if (i < selectedModel && currentModel->startTime(itemIndexes[i]) == time)
itemIndexes[i] = (itemIndexes[i] + 1) % currentModel->count();
}
} else {
itemIndexes[i] = -1;
@@ -155,7 +158,8 @@ QVariantMap TimelineModelAggregator::nextItem(int selectedModel, int selectedIte
if (itemIndexes[i] == -1)
continue;
qint64 newStartTime = model(i)->startTime(itemIndexes[i]);
if (newStartTime > time && newStartTime < candidateStartTime) {
if (newStartTime < candidateStartTime &&
(newStartTime > time || (newStartTime == time && i > selectedModel))) {
candidateStartTime = newStartTime;
candidateModelIndex = i;
}
@@ -191,23 +195,29 @@ QVariantMap TimelineModelAggregator::prevItem(int selectedModel, int selectedIte
QVarLengthArray<int> itemIndexes(modelCount());
for (int i = 0; i < modelCount(); i++) {
const TimelineModel *currentModel = model(i);
if (selectedModel == i) {
itemIndexes[i] = selectedItem - 1;
if (itemIndexes[i] < 0)
itemIndexes[i] = model(selectedModel)->count() -1;
itemIndexes[i] = (selectedItem == 0 ? currentModel->count() : selectedItem) - 1;
} else {
itemIndexes[i] = currentModel->lastIndex(time);
if (itemIndexes[i] == -1)
itemIndexes[i] = currentModel->count() - 1;
else if (i < selectedModel && itemIndexes[i] + 1 < currentModel->count() &&
currentModel->startTime(itemIndexes[i] + 1) == time) {
++itemIndexes[i];
}
}
else
itemIndexes[i] = model(i)->lastIndex(time);
}
int candidateModelIndex = -1;
qint64 candidateStartTime = std::numeric_limits<qint64>::min();
for (int i = 0; i < modelCount(); i++) {
for (int i = modelCount() - 1; i >= 0 ; --i) {
const TimelineModel *currentModel = model(i);
if (itemIndexes[i] == -1 || itemIndexes[i] >= currentModel->count())
continue;
qint64 newStartTime = currentModel->startTime(itemIndexes[i]);
if (newStartTime < time && newStartTime > candidateStartTime) {
if (newStartTime > candidateStartTime &&
(newStartTime < time || (newStartTime == time && i < selectedModel))) {
candidateStartTime = newStartTime;
candidateModelIndex = i;
}