KReport

KReportDesignerSectionScene.cpp
1/* This file is part of the KDE project
2 * Copyright (C) 2001-2007 by OpenMFG, LLC (info@openmfg.com)
3 * Copyright (C) 2007-2008 by Adam Pigg (adam@piggz.co.uk)
4 *
5 * This library is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU Lesser General Public
7 * License as published by the Free Software Foundation; either
8 * version 2.1 of the License, or (at your option) any later version.
9 *
10 * This library is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * Lesser General Public License for more details.
14 *
15 * You should have received a copy of the GNU Lesser General Public
16 * License along with this library. If not, see <http://www.gnu.org/licenses/>.
17 */
18
19#include "KReportDesignerSectionScene.h"
20#include "KReportDesignerItemRectBase.h"
21#include "KReportDesigner.h"
22#include "KReportLabelSizeInfo.h"
23#include "KReportUtils_p.h"
24#include "kreport_debug.h"
25
26#include <QPainter>
27#include <QApplication>
28#include <QGraphicsItem>
29#include <QGraphicsSceneMouseEvent>
30
31KReportDesignerSectionScene::KReportDesignerSectionScene(qreal w, qreal h, KReportDesigner *rd)
32 : QGraphicsScene(0, 0, w, h, rd), m_rd(rd)
33{
34 m_dpiX = KReportPrivate::dpiX();
35 m_dpiY = KReportPrivate::dpiY();
36
37 if (m_unit.type() != m_rd->pageUnit().type()) {
38 m_unit = m_rd->pageUnit();
39 if (m_unit.type() == KReportUnit::Type::Cicero ||
40 m_unit.type() == KReportUnit::Type::Pica ||
41 m_unit.type() == KReportUnit::Type::Millimeter) {
42 m_majorX = POINT_TO_INCH(m_unit.fromUserValue(10)) * m_dpiX;
43 m_majorY = POINT_TO_INCH(m_unit.fromUserValue(10)) * m_dpiY;
44 } else if (m_unit.type() == KReportUnit::Type::Point) {
45 m_majorX = POINT_TO_INCH(m_unit.fromUserValue(100)) * m_dpiX;
46 m_majorY = POINT_TO_INCH(m_unit.fromUserValue(100)) * m_dpiY;
47 } else {
48 m_majorX = POINT_TO_INCH(m_unit.fromUserValue(1)) * m_dpiX;
49 m_majorY = POINT_TO_INCH(m_unit.fromUserValue(1)) * m_dpiY;
50 }
51 }
52}
53KReportDesignerSectionScene::~KReportDesignerSectionScene()
54{
55 // Qt should be handling everything for us
56}
57
58void KReportDesignerSectionScene::drawBackground(QPainter* painter, const QRectF & clip)
59{
60 //Draw the default background colour
61 QGraphicsScene::drawBackground(painter, clip);
62 painter->setRenderHint(QPainter::Antialiasing, false);
63
64 if (m_rd->propertySet()->property("grid-visible").value().toBool()) {
65 m_unit = m_rd->pageUnit();
66 if (m_unit.type() == KReportUnit::Type::Cicero ||
67 m_unit.type() == KReportUnit::Type::Pica ||
68 m_unit.type() == KReportUnit::Type::Millimeter) {
69 m_majorX = POINT_TO_INCH(m_unit.fromUserValue(10)) * m_dpiX;
70 m_majorY = POINT_TO_INCH(m_unit.fromUserValue(10)) * m_dpiY;
71 } else if (m_unit.type() == KReportUnit::Type::Point) {
72 m_majorX = POINT_TO_INCH(m_unit.fromUserValue(100)) * m_dpiX;
73 m_majorY = POINT_TO_INCH(m_unit.fromUserValue(100)) * m_dpiY;
74 } else {
75 m_majorX = POINT_TO_INCH(m_unit.fromUserValue(1)) * m_dpiX;
76 m_majorY = POINT_TO_INCH(m_unit.fromUserValue(1)) * m_dpiY;
77 }
78
79 int minorSteps = m_rd->propertySet()->property("grid-divisions").value().toInt();
80 m_pixelIncrementX = (m_majorX / minorSteps);
81 m_pixelIncrementY = (m_majorY / minorSteps);
82
83 QPen pen = painter->pen();
84 painter->setPen(Qt::lightGray);
85
86 //kreportDebug() << "dpix" << KReportPrivate::dpiX() << "dpiy" << KReportPrivate::dpiY() << "mayorx:" << majorx << "majory" << majory << "pix:" << pixel_incrementx << "piy:" << pixel_incrementy;
87
88 QVector<QLine> lines;
89 QVector<QPoint> points;
90
91 if (m_pixelIncrementX > 2) { // do not bother painting points if increments are so small
92 int wpoints = qRound(sceneRect().width() / m_pixelIncrementX);
93 int hpoints = qRound(sceneRect().height() / m_pixelIncrementY);
94 for (int i = 0; i < wpoints; ++i) {
95 for (int j = 0; j < hpoints; ++j) {
96 //if (clip.contains(i * pixel_incrementx, j * pixel_incrementy)){
97 if (i % minorSteps == 0 && j % minorSteps == 0) {
98 lines << QLine(QPoint(i * m_pixelIncrementX, j * m_pixelIncrementY), QPoint(i * m_pixelIncrementX, j * m_pixelIncrementY + m_majorX));
99 //painter->drawLine();
100 lines << QLine(QPoint(i * m_pixelIncrementX, j * m_pixelIncrementY), QPoint(i * m_pixelIncrementX + m_majorY, j * m_pixelIncrementY));
101 //painter->drawLine();
102 } else {
103 points << QPoint(i * m_pixelIncrementX, j * m_pixelIncrementY);
104 //painter->drawPoint();
105 }
106 //}
107 }
108 }
109 painter->drawPoints(points);
110 painter->drawLines(lines);
111
112 }
113
114 pen.setWidth(1);
115 //update ( clip );
116 }
117}
118
119void KReportDesignerSectionScene::mousePressEvent(QGraphicsSceneMouseEvent * e)
120{
121 // clear the selection if Shift Key has not been pressed and it's a left mouse button and
122 // if the right mouse button has been pressed over an item which is not part of selected items
123 if (((e->modifiers() & Qt::ShiftModifier) == 0 && e->button() == Qt::LeftButton) ||
124 (!(selectedItems().contains(itemAt(e->scenePos(), QTransform()))) && e->button() == Qt::RightButton))
125 clearSelection();
126
127 //This will be caught by the section to display its properties, if an item is under the cursor then they will display their properties
128 QGraphicsItem* itemUnderCursor = itemAt(e->scenePos(), QTransform());
129 emit clicked();
130
131 KReportDesignerItemRectBase *rectUnderCursor = qgraphicsitem_cast< KReportDesignerItemRectBase* >(itemUnderCursor);
132 if (itemUnderCursor && !rectUnderCursor) {
133 rectUnderCursor = qgraphicsitem_cast< KReportDesignerItemRectBase* >(itemUnderCursor->parentItem());
134 }
135 exitInlineEditingModeInItems(rectUnderCursor);
136
137 QGraphicsScene::mousePressEvent(e);
138}
139
140void KReportDesignerSectionScene::contextMenuEvent(QGraphicsSceneContextMenuEvent * e)
141{
142 m_rd->sectionContextMenuEvent(this, e);
143}
144
145QPointF KReportDesignerSectionScene::gridPoint(const QPointF& p)
146{
147 if (!m_rd->propertySet()->property("grid-snap").value().toBool()) {
148 return p;
149 }
150
151 if (m_unit.type() != m_rd->pageUnit().type()) {
152 m_unit = m_rd->pageUnit();
153 if (m_unit.type() == KReportUnit::Type::Cicero ||
154 m_unit.type() == KReportUnit::Type::Pica ||
155 m_unit.type() == KReportUnit::Type::Millimeter) {
156 m_majorX = POINT_TO_INCH(m_unit.fromUserValue(10)) * m_dpiX;
157 m_majorY = POINT_TO_INCH(m_unit.fromUserValue(10)) * m_dpiY;
158 } else if (m_unit.type() == KReportUnit::Type::Point) {
159 m_majorX = POINT_TO_INCH(m_unit.fromUserValue(100)) * m_dpiX;
160 m_majorY = POINT_TO_INCH(m_unit.fromUserValue(100)) * m_dpiY;
161 } else {
162 m_majorX = POINT_TO_INCH(m_unit.fromUserValue(1)) * m_dpiX;
163 m_majorY = POINT_TO_INCH(m_unit.fromUserValue(1)) * m_dpiY;
164 }
165 }
166 int minorSteps = m_rd->propertySet()->property("grid-divisions").value().toInt();
167 m_pixelIncrementX = (m_majorX / minorSteps);
168 m_pixelIncrementY = (m_majorY / minorSteps);
169
170 return QPointF(qRound((p.x() / m_pixelIncrementX)) * m_pixelIncrementX, qRound((p.y() / m_pixelIncrementY)) * m_pixelIncrementY);
171}
172
173void KReportDesignerSectionScene::focusOutEvent(QFocusEvent * focusEvent)
174{
175 exitInlineEditingModeInItems(nullptr);
176
177 emit lostFocus();
178 QGraphicsScene::focusOutEvent(focusEvent);
179}
180
181qreal KReportDesignerSectionScene::lowestZValue()
182{
183 qreal z;
184 qreal zz;
185 z = 0;
186 QGraphicsItemList list = items();
187 for (QGraphicsItemList::iterator it = list.begin(); it != list.end(); ++it) {
188 zz = (*it)->zValue();
189 if (zz < z) {
190 z = zz;
191 }
192
193 }
194 return z;
195}
196
197qreal KReportDesignerSectionScene::highestZValue()
198{
199 qreal z;
200 qreal zz;
201 z = 0;
202 QGraphicsItemList list = items();
203 for (QGraphicsItemList::iterator it = list.begin(); it != list.end(); ++it) {
204 zz = (*it)->zValue();
205 if (zz > z) {
206 z = zz;
207 }
208 }
209 return z;
210}
211
212void KReportDesignerSectionScene::lowerSelected()
213{
214 QGraphicsItemList list = selectedItems();
215 for (QGraphicsItemList::iterator it = list.begin();
216 it != list.end(); ++it) {
217 (*it)->setZValue(lowestZValue() - 1);
218 }
219}
220
221void KReportDesignerSectionScene::raiseSelected()
222{
223 QGraphicsItemList list = selectedItems();
224 for (QGraphicsItemList::iterator it = list.begin();
225 it != list.end(); ++it) {
226 (*it)->setZValue(highestZValue() + 1);
227 }
228}
229
230QGraphicsItemList KReportDesignerSectionScene::itemsOrdered() const
231{
232 QGraphicsItemList r;
233 QGraphicsItemList list = items();
234 for (QGraphicsItemList::iterator it = list.begin(); it != list.end(); ++it) {
235 for (QGraphicsItemList::iterator rit = r.begin(); rit != r.end(); ++rit) {
236
237 }
238 }
239
240 return r;
241}
242
243void KReportDesignerSectionScene::exitInlineEditingModeInItems(KReportDesignerItemRectBase *rectUnderCursor)
244{
245 foreach(QGraphicsItem *it, items()) {
246 KReportDesignerItemRectBase *itm = qgraphicsitem_cast< KReportDesignerItemRectBase* >(it);
247 if (itm && itm != rectUnderCursor) {
248 itm->exitInlineEditingMode();
249 }
250 }
251}
KReportDesignerItemRectBase
Base class for rectangular report items used within the designer GUI.
Definition KReportDesignerItemRectBase.h:39
KReportDesigner
The ReportDesigner is the main widget for designing a report.
Definition KReportDesigner.h:53
KReportUnit::Type::Point
@ Point
Postscript point, 1/72th of an Inco.
Definition KReportUnit.h:83
KRecentDirs::list
KIOCORE_EXPORT QStringList list(const QString &fileClass)
QGraphicsItem::parentItem
QGraphicsItem * parentItem() const const
QGraphicsScene::clearSelection
void clearSelection()
QGraphicsScene::drawBackground
virtual void drawBackground(QPainter *painter, const QRectF &rect)
QGraphicsScene::focusOutEvent
virtual void focusOutEvent(QFocusEvent *focusEvent)
QGraphicsScene::height
qreal height() const const
QGraphicsScene::itemAt
QGraphicsItem * itemAt(const QPointF &position, const QTransform &deviceTransform) const const
QGraphicsScene::items
QList< QGraphicsItem * > items(Qt::SortOrder order) const const
QGraphicsScene::mousePressEvent
virtual void mousePressEvent(QGraphicsSceneMouseEvent *mouseEvent)
QGraphicsScene::selectedItems
QList< QGraphicsItem * > selectedItems() const const
QGraphicsScene::width
qreal width() const const
QGraphicsSceneMouseEvent::button
Qt::MouseButton button() const const
QGraphicsSceneMouseEvent::modifiers
Qt::KeyboardModifiers modifiers() const const
QGraphicsSceneMouseEvent::scenePos
QPointF scenePos() const const
QList::begin
iterator begin()
QList::end
iterator end()
QPainter::drawLines
void drawLines(const QLine *lines, int lineCount)
QPainter::drawPoints
void drawPoints(const QPoint *points, int pointCount)
QPainter::pen
const QPen & pen() const const
QPainter::setPen
void setPen(Qt::PenStyle style)
QPainter::setRenderHint
void setRenderHint(RenderHint hint, bool on)
QPen::setWidth
void setWidth(int width)
QPointF::x
qreal x() const const
QPointF::y
qreal y() const const
Qt::lightGray
lightGray
Qt::ShiftModifier
ShiftModifier
Qt::LeftButton
LeftButton
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