Imported /gui/ from mercurial.

2025-06-20 03:31:40 +02:00 · 2009-10-26 07:57:53 +00:00 · 2009-10-26 07:57:53 +00:00 · 81227b8fab
commit 81227b8fab
parent 6a86d3a1e4
81 changed files with 7177 additions and 0 deletions
--- a/gui/src/ScreenSetupView.cpp
+++ b/gui/src/ScreenSetupView.cpp
@ -0,0 +1,143 @@
+#include "ScreenSetupView.h"
+#include "ScreenSetupModel.h"
+#include "ScreenSettingsDialog.h"
+
+#include <QtCore>
+#include <QtGui>
+
+ScreenSetupView::ScreenSetupView(QWidget* parent) :
+	QTableView(parent)
+{
+	setDropIndicatorShown(true);
+	setDragDropMode(DragDrop);
+	setSelectionMode(SingleSelection);
+
+	setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
+	setVerticalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
+
+	setIconSize(QSize(64, 64));
+	horizontalHeader()->hide();
+	verticalHeader()->hide();
+}
+
+void ScreenSetupView::setModel(ScreenSetupModel* model)
+{
+	QTableView::setModel(model);
+	setTableSize();
+}
+
+ScreenSetupModel* ScreenSetupView::model() const
+{
+	return qobject_cast<ScreenSetupModel*>(QTableView::model());
+}
+
+void ScreenSetupView::setTableSize()
+{
+	for (int i = 0; i < model()->columnCount(); i++)
+		setColumnWidth(i, width() / model()->columnCount());
+
+	for (int i = 0; i < model()->rowCount(); i++)
+		setRowHeight(i, height() / model()->rowCount());
+}
+
+void ScreenSetupView::resizeEvent(QResizeEvent* event)
+{
+	setTableSize();
+	event->ignore();
+}
+
+void ScreenSetupView::mouseDoubleClickEvent(QMouseEvent* event)
+{
+	if (event->buttons() & Qt::LeftButton)
+	{
+		int col = columnAt(event->pos().x());
+		int row = rowAt(event->pos().y());
+
+		if (!model()->screen(col, row).isNull())
+		{
+			ScreenSettingsDialog dlg(this, &model()->screen(col, row));
+			dlg.exec();
+		}
+	}
+	else
+		event->ignore();
+}
+
+void ScreenSetupView::dragEnterEvent(QDragEnterEvent* event)
+{
+	// we accept anything that enters us by a drag as long as the
+	// mime type is okay. anything else is dealt with in dragMoveEvent()
+	if (event->mimeData()->hasFormat(ScreenSetupModel::mimeType()))
+		event->accept();
+	else
+		event->ignore();
+}
+
+void ScreenSetupView::dragMoveEvent(QDragMoveEvent* event)
+{
+	if (event->mimeData()->hasFormat(ScreenSetupModel::mimeType()))
+	{
+		// where does the event come from? myself or someone else?
+		if (event->source() == this)
+		{
+			// myself is ok, but then it must be a move action, never a copy
+			event->setDropAction(Qt::MoveAction);
+			event->accept();
+		}
+		else
+		{
+			int col = columnAt(event->pos().x());
+			int row = rowAt(event->pos().y());
+
+			// a drop from outside is not allowed if there's a screen already there.
+			if (!model()->screen(col, row).isNull())
+				event->ignore();
+			else
+				event->acceptProposedAction();
+		}
+	}
+	else
+		event->ignore();
+}
+
+// this is reimplemented from QAbstractItemView::startDrag()
+void ScreenSetupView::startDrag(Qt::DropActions)
+{
+	QModelIndexList indexes = selectedIndexes();
+
+	if (indexes.count() != 1)
+		return;
+
+	QMimeData* pData = model()->mimeData(indexes);
+	if (pData == NULL)
+		return;
+
+	QPixmap pixmap = *model()->screen(indexes[0]).pixmap();
+	QDrag* pDrag = new QDrag(this);
+	pDrag->setPixmap(pixmap);
+	pDrag->setMimeData(pData);
+	pDrag->setHotSpot(QPoint(pixmap.width() / 2, pixmap.height() / 2));
+
+	if (pDrag->exec(Qt::MoveAction, Qt::MoveAction) == Qt::MoveAction)
+	{
+		selectionModel()->clear();
+
+		// make sure to only delete the drag source if screens weren't swapped
+		// see ScreenSetupModel::dropMimeData
+		if (!model()->screen(indexes[0]).swapped())
+			model()->screen(indexes[0]) = Screen();
+		else
+			model()->screen(indexes[0]).setSwapped(false);
+	}
+}
+
+QStyleOptionViewItem ScreenSetupView::viewOptions() const
+{
+	QStyleOptionViewItem option = QTableView::viewOptions();
+	option.showDecorationSelected = true;
+	option.decorationPosition = QStyleOptionViewItem::Top;
+	option.displayAlignment = Qt::AlignCenter;
+	option.textElideMode = Qt::ElideMiddle;
+	return option;
+}
+