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author | Petr Mrázek <peterix@gmail.com> | 2014-06-02 00:49:53 +0200 |
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committer | Petr Mrázek <peterix@gmail.com> | 2014-06-09 01:38:31 +0200 |
commit | f485885757e287546bb27bda5906bfa4adc5494a (patch) | |
tree | 02766b67b4760e0b36c19bd3a5f0c34ed0693f7e /gui/pagedialog/PageDialog_p.h | |
parent | 48d3052ac1bf55dfc0d149d5e2590bcd6545dc67 (diff) | |
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Add and implement pages and page dialog.
Diffstat (limited to 'gui/pagedialog/PageDialog_p.h')
-rw-r--r-- | gui/pagedialog/PageDialog_p.h | 106 |
1 files changed, 106 insertions, 0 deletions
diff --git a/gui/pagedialog/PageDialog_p.h b/gui/pagedialog/PageDialog_p.h new file mode 100644 index 00000000..36e641e3 --- /dev/null +++ b/gui/pagedialog/PageDialog_p.h @@ -0,0 +1,106 @@ +#pragma once +#include <QListView> +#include <QStyledItemDelegate> +#include <QEvent> +#include <QScrollBar> + +const int pageIconSize = 24; + +class PageViewDelegate : public QStyledItemDelegate +{ +public: + PageViewDelegate(QObject *parent) : QStyledItemDelegate(parent) + { + } + QSize sizeHint(const QStyleOptionViewItem &option, const QModelIndex &index) const + { + QSize size = QStyledItemDelegate::sizeHint(option, index); + size.setHeight(qMax(size.height(), 32)); + return size; + } +}; + +class PageModel : public QAbstractListModel +{ +public: + PageModel(QObject *parent = 0) : QAbstractListModel(parent) + { + QPixmap empty(pageIconSize, pageIconSize); + empty.fill(Qt::transparent); + m_emptyIcon = QIcon(empty); + } + virtual ~PageModel() {}; + + int rowCount(const QModelIndex &parent = QModelIndex()) const + { + return parent.isValid() ? 0 : m_pages.size(); + } + QVariant data(const QModelIndex &index, int role = Qt::DisplayRole) const + { + switch (role) + { + case Qt::DisplayRole: + return m_pages.at(index.row())->displayName(); + case Qt::DecorationRole: + { + QIcon icon = m_pages.at(index.row())->icon(); + if (icon.isNull()) + icon = m_emptyIcon; + return icon; + } + } + return QVariant(); + } + + void setPages(const QList<BasePage *> &pages) + { + beginResetModel(); + m_pages = pages; + endResetModel(); + } + const QList<BasePage *> &pages() const + { + return m_pages; + } + +private: + BasePage * findPageEntryById(QString id) + { + for(auto page: m_pages) + { + if (page->id() == id) + return page; + } + return nullptr; + } + + QList<BasePage *> m_pages; + QIcon m_emptyIcon; +}; + +class PageView : public QListView +{ +public: + PageView(QWidget *parent = 0) : QListView(parent) + { + setSizePolicy(QSizePolicy::MinimumExpanding, QSizePolicy::Expanding); + setItemDelegate(new PageViewDelegate(this)); + setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff); + } + + virtual QSize sizeHint() const + { + int width = sizeHintForColumn(0) + frameWidth() * 2 + 5; + if (verticalScrollBar()->isVisible()) + width += verticalScrollBar()->width(); + return QSize(width, 100); + } + + virtual bool eventFilter(QObject *obj, QEvent *event) + { + if (obj == verticalScrollBar() && + (event->type() == QEvent::Show || event->type() == QEvent::Hide)) + updateGeometry(); + return QListView::eventFilter(obj, event); + } +}; |