diff options
Diffstat (limited to 'depends/groupview/Group.cpp')
| -rw-r--r-- | depends/groupview/Group.cpp | 169 |
1 files changed, 169 insertions, 0 deletions
diff --git a/depends/groupview/Group.cpp b/depends/groupview/Group.cpp new file mode 100644 index 00000000..f216cc6e --- /dev/null +++ b/depends/groupview/Group.cpp @@ -0,0 +1,169 @@ +#include "Group.h" + +#include <QModelIndex> +#include <QPainter> +#include <QtMath> + +#include "GroupView.h" + +Group::Group(const QString &text, GroupView *view) : view(view), text(text), collapsed(false) +{ +} + +Group::Group(const Group *other) + : view(other->view), text(other->text), collapsed(other->collapsed) +{ +} + +void Group::update() +{ + firstItemIndex = firstItem().row(); + + rowHeights = QVector<int>(numRows()); + for (int i = 0; i < numRows(); ++i) + { + rowHeights[i] = view->categoryRowHeight( + view->model()->index(i * view->itemsPerRow() + firstItemIndex, 0)); + } +} + +Group::HitResults Group::hitScan(const QPoint &pos) const +{ + Group::HitResults results = Group::NoHit; + int y_start = verticalPosition(); + int body_start = y_start + headerHeight(); + int body_end = body_start + contentHeight() + 5; // FIXME: wtf is this 5? + int y = pos.y(); + // int x = pos.x(); + if(y < y_start) + { + results = Group::NoHit; + } + else if(y < body_start) + { + results = Group::HeaderHit; + int collapseSize = headerHeight() - 4; + + // the icon + QRect iconRect = QRect(view->m_leftMargin + 2, 2 + y_start, collapseSize, collapseSize); + if(iconRect.contains(pos)) + { + results |= Group::CheckboxHit; + } + } + else if (y < body_end) + { + results |= Group::BodyHit; + } + return results; +} + +void Group::drawHeader(QPainter *painter, const int y) +{ + painter->save(); + + int height = headerHeight() - 4; + int collapseSize = height; + + // the icon + QRect iconRect = QRect(view->m_leftMargin + 2, 2 + y, collapseSize, collapseSize); + painter->setPen(QPen(Qt::black, 1)); + painter->drawRect(iconRect); + static const int margin = 2; + QRect iconSubrect = iconRect.adjusted(margin, margin, -margin, -margin); + int midX = iconSubrect.center().x(); + int midY = iconSubrect.center().y(); + if (collapsed) + { + painter->drawLine(midX, iconSubrect.top(), midX, iconSubrect.bottom()); + } + painter->drawLine(iconSubrect.left(), midY, iconSubrect.right(), midY); + + // the text + int textWidth = painter->fontMetrics().width(text); + QRect textRect = QRect(iconRect.right() + 4, y, textWidth, headerHeight()); + painter->setBrush(view->viewOptions().palette.text()); + view->style()->drawItemText(painter, textRect, Qt::AlignHCenter | Qt::AlignVCenter, + view->viewport()->palette(), true, text); + + // the line + painter->drawLine(textRect.right() + 4, y + headerHeight() / 2, + view->contentWidth() - view->m_rightMargin, y + headerHeight() / 2); + + painter->restore(); +} + +int Group::totalHeight() const +{ + return headerHeight() + 5 + contentHeight(); // FIXME: wtf is that '5'? +} + +int Group::headerHeight() const +{ + return view->viewport()->fontMetrics().height() + 4; +} + +int Group::contentHeight() const +{ + if (collapsed) + { + return 0; + } + int result = 0; + for (int i = 0; i < rowHeights.size(); ++i) + { + result += rowHeights[i]; + } + return result; +} + +int Group::numRows() const +{ + return qMax(1, qCeil((qreal)numItems() / (qreal)view->itemsPerRow())); +} + +int Group::verticalPosition() const +{ + int res = 0; + const QList<Group *> cats = view->m_groups; + for (int i = 0; i < cats.size(); ++i) + { + if (cats.at(i) == this) + { + break; + } + res += cats.at(i)->totalHeight() + view->m_categoryMargin; + } + return res; +} + +QList<QModelIndex> Group::items() const +{ + QList<QModelIndex> indices; + for (int i = 0; i < view->model()->rowCount(); ++i) + { + const QModelIndex index = view->model()->index(i, 0); + if (index.data(GroupViewRoles::GroupRole).toString() == text) + { + indices.append(index); + } + } + return indices; +} + +int Group::numItems() const +{ + return items().size(); +} + +QModelIndex Group::firstItem() const +{ + QList<QModelIndex> indices = items(); + return indices.isEmpty() ? QModelIndex() : indices.first(); +} + +QModelIndex Group::lastItem() const +{ + QList<QModelIndex> indices = items(); + return indices.isEmpty() ? QModelIndex() : indices.last(); +} |