QGIS API Documentation  3.20.0-Odense (decaadbb31)
qgslayoutnewitempropertiesdialog.cpp
Go to the documentation of this file.
1 /***************************************************************************
2  qgslayoutnewitempropertiesdialog.cpp
3  ------------------------------------
4  Date : July 2017
5  Copyright : (C) 2017 Nyall Dawson
6  Email : nyall dot dawson at gmail dot com
7  ***************************************************************************
8  * *
9  * This program is free software; you can redistribute it and/or modify *
10  * it under the terms of the GNU General Public License as published by *
11  * the Free Software Foundation; either version 2 of the License, or *
12  * (at your option) any later version. *
13  * *
14  ***************************************************************************/
15 
17 #include "qgssettings.h"
18 #include "qgslayout.h"
20 #include "qgshelp.h"
21 #include "qgsgui.h"
22 
23 #include <QButtonGroup>
24 
25 QgsLayoutItemPropertiesDialog::QgsLayoutItemPropertiesDialog( QWidget *parent, Qt::WindowFlags flags )
26  : QDialog( parent, flags )
27 {
28  setupUi( this );
29 
31 
32  //make button exclusive
33  QButtonGroup *buttonGroup = new QButtonGroup( this );
34  buttonGroup->addButton( mUpperLeftRadioButton );
35  buttonGroup->addButton( mUpperMiddleRadioButton );
36  buttonGroup->addButton( mUpperRightRadioButton );
37  buttonGroup->addButton( mMiddleLeftRadioButton );
38  buttonGroup->addButton( mMiddleRadioButton );
39  buttonGroup->addButton( mMiddleRightRadioButton );
40  buttonGroup->addButton( mLowerLeftRadioButton );
41  buttonGroup->addButton( mLowerMiddleRadioButton );
42  buttonGroup->addButton( mLowerRightRadioButton );
43  buttonGroup->setExclusive( true );
44 
45  QgsSettings settings;
46  double lastWidth = settings.value( QStringLiteral( "LayoutDesigner/lastItemWidth" ), QStringLiteral( "50" ) ).toDouble();
47  double lastHeight = settings.value( QStringLiteral( "LayoutDesigner/lastItemHeight" ), QStringLiteral( "50" ) ).toDouble();
48  QgsUnitTypes::LayoutUnit lastSizeUnit = settings.enumValue( QStringLiteral( "LayoutDesigner/lastSizeUnit" ), QgsUnitTypes::LayoutMillimeters );
49  setItemSize( QgsLayoutSize( lastWidth, lastHeight, lastSizeUnit ) );
50 
51  mPosUnitsComboBox->linkToWidget( mXPosSpin );
52  mPosUnitsComboBox->linkToWidget( mYPosSpin );
53  mSizeUnitsComboBox->linkToWidget( mWidthSpin );
54  mSizeUnitsComboBox->linkToWidget( mHeightSpin );
55 
56  mLockAspectRatio->setWidthSpinBox( mWidthSpin );
57  mLockAspectRatio->setHeightSpinBox( mHeightSpin );
58 
59  connect( buttonBox, &QDialogButtonBox::helpRequested, this, &QgsLayoutItemPropertiesDialog::showHelp );
60 }
61 
63 {
64  // page number
65  QPointF layoutPoint = mLayout->convertToLayoutUnits( position );
66  int page = mLayout->pageCollection()->pageNumberForPoint( layoutPoint );
67 
68  // convert position to relative for current page
69  position = mLayout->convertFromLayoutUnits( mLayout->pageCollection()->positionOnPage( layoutPoint ), position.units() );
70 
71  mPageSpin->setValue( page + 1 );
72  whileBlocking( mPosUnitsComboBox )->setUnit( position.units() );
73  mXPosSpin->setValue( position.x() );
74  mYPosSpin->setValue( position.y() );
75 }
76 
78 {
79  return QgsLayoutPoint( mXPosSpin->value(), mYPosSpin->value(), mPosUnitsComboBox->unit() );
80 }
81 
83 {
84  return mPageSpin->value() - 1;
85 }
86 
88 {
89  mWidthSpin->setValue( size.width() );
90  mHeightSpin->setValue( size.height() );
91  whileBlocking( mSizeUnitsComboBox )->setUnit( size.units() );
92 }
93 
95 {
96  return QgsLayoutSize( mWidthSpin->value(), mHeightSpin->value(), mSizeUnitsComboBox->unit() );
97 }
98 
100 {
101  if ( mUpperLeftRadioButton->isChecked() )
102  {
104  }
105  else if ( mUpperMiddleRadioButton->isChecked() )
106  {
108  }
109  else if ( mUpperRightRadioButton->isChecked() )
110  {
112  }
113  else if ( mMiddleLeftRadioButton->isChecked() )
114  {
116  }
117  else if ( mMiddleRadioButton->isChecked() )
118  {
119  return QgsLayoutItem::Middle;
120  }
121  else if ( mMiddleRightRadioButton->isChecked() )
122  {
124  }
125  else if ( mLowerLeftRadioButton->isChecked() )
126  {
128  }
129  else if ( mLowerMiddleRadioButton->isChecked() )
130  {
132  }
133  else if ( mLowerRightRadioButton->isChecked() )
134  {
136  }
138 }
139 
141 {
142  switch ( point )
143  {
145  mUpperLeftRadioButton->setChecked( true );
146  break;
147 
149  mUpperMiddleRadioButton->setChecked( true );
150  break;
151 
153  mUpperRightRadioButton->setChecked( true );
154  break;
155 
157  mMiddleLeftRadioButton->setChecked( true );
158  break;
159 
161  mMiddleRadioButton->setChecked( true );
162  break;
163 
165  mMiddleRightRadioButton->setChecked( true );
166  break;
167 
169  mLowerLeftRadioButton->setChecked( true );
170  break;
171 
173  mLowerMiddleRadioButton->setChecked( true );
174  break;
175 
177  mLowerRightRadioButton->setChecked( true );
178  break;
179  }
180 }
181 
183 {
184  mSizeUnitsComboBox->setConverter( &layout->renderContext().measurementConverter() );
185  mPosUnitsComboBox->setConverter( &layout->renderContext().measurementConverter() );
186  mLayout = layout;
187 }
188 
189 void QgsLayoutItemPropertiesDialog::showHelp()
190 {
191  QgsHelp::openHelp( QStringLiteral( "print_composer/composer_items/composer_items_options.html#creating-a-layout-item" ) );
192 }
static void enableAutoGeometryRestore(QWidget *widget, const QString &key=QString())
Register the widget to allow its position to be automatically saved and restored when open and closed...
Definition: qgsgui.cpp:156
static void openHelp(const QString &key)
Opens help topic for the given help key using default system web browser.
Definition: qgshelp.cpp:36
QgsLayoutItemPropertiesDialog(QWidget *parent=nullptr, Qt::WindowFlags flags=Qt::WindowFlags())
Constructor for QgsLayoutNewItemPropertiesDialog.
QgsLayoutSize itemSize() const
Returns the item size defined by the dialog.
void setReferencePoint(QgsLayoutItem::ReferencePoint point)
Sets the item reference point defined to show in the dialog.
QgsLayoutItem::ReferencePoint referencePoint() const
Returns the item reference point defined by the dialog.
void setItemSize(QgsLayoutSize size)
Sets the item size to show in the dialog.
void setLayout(QgsLayout *layout)
Sets the layout associated with the dialog.
QgsLayoutPoint itemPosition() const
Returns the current item position defined by the dialog.
int page() const
Returns the page number for the new item.
void setItemPosition(QgsLayoutPoint position)
Sets the item position to show in the dialog.
ReferencePoint
Fixed position reference point.
@ LowerMiddle
Lower center of item.
@ MiddleLeft
Middle left of item.
@ Middle
Center of item.
@ UpperRight
Upper right corner of item.
@ LowerLeft
Lower left corner of item.
@ UpperLeft
Upper left corner of item.
@ UpperMiddle
Upper center of item.
@ MiddleRight
Middle right of item.
@ LowerRight
Lower right corner of item.
int pageNumberForPoint(QPointF point) const
Returns the page number corresponding to a point in the layout (in layout units).
QPointF positionOnPage(QPointF point) const
Returns the position within a page of a point in the layout (in layout units).
This class provides a method of storing points, consisting of an x and y coordinate,...
double x() const
Returns x coordinate of point.
QgsUnitTypes::LayoutUnit units() const
Returns the units for the point.
double y() const
Returns y coordinate of point.
const QgsLayoutMeasurementConverter & measurementConverter() const
Returns the layout measurement converter to be used in the layout.
This class provides a method of storing sizes, consisting of a width and height, for use in QGIS layo...
Definition: qgslayoutsize.h:41
QgsUnitTypes::LayoutUnit units() const
Returns the units for the size.
double height() const
Returns the height of the size.
Definition: qgslayoutsize.h:90
double width() const
Returns the width of the size.
Definition: qgslayoutsize.h:76
Base class for layouts, which can contain items such as maps, labels, scalebars, etc.
Definition: qgslayout.h:51
QgsLayoutRenderContext & renderContext()
Returns a reference to the layout's render context, which stores information relating to the current ...
Definition: qgslayout.cpp:359
QgsLayoutPageCollection * pageCollection()
Returns a pointer to the layout's page collection, which stores and manages page items in the layout.
Definition: qgslayout.cpp:459
double convertToLayoutUnits(QgsLayoutMeasurement measurement) const
Converts a measurement into the layout's native units.
Definition: qgslayout.cpp:329
QgsLayoutMeasurement convertFromLayoutUnits(double length, QgsUnitTypes::LayoutUnit unit) const
Converts a length measurement from the layout's native units to a specified target unit.
Definition: qgslayout.cpp:344
LayoutUnit
Layout measurement units.
Definition: qgsunittypes.h:182
@ LayoutMillimeters
Millimeters.
Definition: qgsunittypes.h:183
QgsSignalBlocker< Object > whileBlocking(Object *object)
Temporarily blocks signals from a QObject while calling a single method from the object.
Definition: qgis.h:537