Mercurial > projects > qtd
view examples/layouts/borderlayout/borderlayout_d1.d @ 410:bb0c0bbca312
Added wrappers for the QFontMetrics methods taking tabstop arrays.
Also removed some stray code template instantiations.
author | David Nadlinger <code@klickverbot.at> |
---|---|
date | Sun, 20 Mar 2011 20:43:06 +0100 |
parents | 7ea67ec3cf29 |
children |
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/**************************************************************************** ** ** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). ** Contact: Qt Software Information (qt-info@nokia.com) ** ** This file is part of the examples of the Qt Toolkit. ** ** $QT_BEGIN_LICENSE:LGPL$ ** Commercial Usage ** Licensees holding valid Qt Commercial licenses may use this file in ** accordance with the Qt Commercial License Agreement provided with the ** Software or, alternatively, in accordance with the terms contained in ** a written agreement between you and Nokia. ** ** GNU Lesser General Public License Usage ** Alternatively, this file may be used under the terms of the GNU Lesser ** General Public License version 2.1 as published by the Free Software ** Foundation and appearing in the file LICENSE.LGPL included in the ** packaging of this file. Please review the following information to ** ensure the GNU Lesser General Public License version 2.1 requirements ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. ** ** In addition, as a special exception, Nokia gives you certain ** additional rights. These rights are described in the Nokia Qt LGPL ** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this ** package. ** ** GNU General Public License Usage ** Alternatively, this file may be used under the terms of the GNU ** General Public License version 3.0 as published by the Free Software ** Foundation and appearing in the file LICENSE.GPL included in the ** packaging of this file. Please review the following information to ** ensure the GNU General Public License version 3.0 requirements will be ** met: http://www.gnu.org/copyleft/gpl.html. ** ** If you are unsure which license is appropriate for your use, please ** contact the sales department at qt-sales@nokia.com. ** $QT_END_LICENSE$ ** ****************************************************************************/ module borderlayout_d1; import qt.gui.QLayout; import qt.gui.QWidgetItem; import qt.gui.QTextBrowser; import qt.core.QSize; import qt.core.QRect; class BorderLayout : public QLayout { public: enum Position { West, North, South, East, Center }; this(QWidget parent, int margin = 0, int spacing = -1) { super(parent); setMargin(margin); setWidgetSpacing(spacing); } this(int spacing = -1) { setWidgetSpacing(spacing); } ~this() { QLayoutItem l = takeAt(0); while (l) { delete l; l = takeAt(0); } } void addItem(IQLayoutItem item) { add(item, Position.West); } void addWidget(QWidget widget, Position position) { add(cast(IQLayoutItem) new QWidgetItem(widget), position); } int expandingDirections() { return Qt.Horizontal | Qt.Vertical; } bool hasHeightForWidth() { return false; } int count() { return list.length; } QLayoutItem itemAt(int index) { if(index >= 0 && index < list.length) return list[index].item; else return null; } QSize minimumSize() { return calculateSize(SizeType.MinimumSize); } void setGeometry(QRect rect) { ItemWrapper center = null; int eastWidth = 0; int westWidth = 0; int northHeight = 0; int southHeight = 0; int centerHeight = 0; int i; super.setGeometry(rect); for (i = 0; i < list.length; ++i) { ItemWrapper wrapper = list[i]; IQLayoutItem item = wrapper.item; Position position = wrapper.position; if (position == Position.North) { item.setGeometry(QRect(rect.x(), northHeight, rect.width(), item.sizeHint().height())); northHeight += item.geometry().height() + widgetSpacing(); } else if (position == Position.South) { item.setGeometry(QRect(item.geometry().x(), item.geometry().y(), rect.width(), item.sizeHint().height())); southHeight += item.geometry().height() + widgetSpacing(); item.setGeometry(QRect(rect.x(), rect.y() + rect.height() - southHeight + widgetSpacing(), item.geometry().width(), item.geometry().height())); } else if (position == Position.Center) { center = wrapper; } } centerHeight = rect.height() - northHeight - southHeight; for (i = 0; i < list.length; ++i) { ItemWrapper wrapper = list[i]; IQLayoutItem item = wrapper.item; Position position = wrapper.position; if (position == Position.West) { item.setGeometry(QRect(rect.x() + westWidth, northHeight, item.sizeHint().width(), centerHeight)); westWidth += item.geometry().width() + widgetSpacing(); } else if (position == Position.East) { item.setGeometry(QRect(item.geometry().x(), item.geometry().y(), item.sizeHint().width(), centerHeight)); eastWidth += item.geometry().width() + widgetSpacing(); item.setGeometry(QRect( rect.x() + rect.width() - eastWidth + widgetSpacing(), northHeight, item.geometry().width(), item.geometry().height())); } } if (center) center.item.setGeometry(QRect(westWidth, northHeight, rect.width() - eastWidth - westWidth, centerHeight)); } QSize sizeHint() { return calculateSize(SizeType.SizeHint); } QLayoutItem takeAt(int index) { if (index >= 0 && index < list.length) { ItemWrapper layoutStruct = list[index]; return layoutStruct.item; } return null; } void add(IQLayoutItem item, Position position) { list ~= new ItemWrapper(item, position); } private: class ItemWrapper { this(IQLayoutItem i, Position p) { item = i; position = p; } IQLayoutItem item; Position position; }; enum SizeType { MinimumSize, SizeHint }; QSize calculateSize(SizeType sizeType) { QSize totalSize; for (int i = 0; i < list.length; ++i) { ItemWrapper wrapper = list[i]; Position position = wrapper.position; QSize itemSize; if (sizeType == SizeType.MinimumSize) itemSize = wrapper.item.minimumSize(); else // (sizeType == SizeHint) itemSize = wrapper.item.sizeHint(); if (position == Position.North || position == Position.South || position == Position.Center) totalSize.setHeight(totalSize.height + itemSize.height); if (position == Position.West || position == Position.East || position == Position.Center) totalSize.setWidth(totalSize.width + itemSize.width); } return totalSize; } ItemWrapper[] list; }