23#include <QAbstractButton>
24#include <QDialogButtonBox>
32 connect( mButtonAddColor, &QToolButton::clicked,
this, &QgsPresetColorRampWidget::mButtonAddColor_clicked );
33 mTreeColors->setScheme( &mRamp );
41 connect( mTreeColors->model(), &QAbstractItemModel::dataChanged,
this, &QgsPresetColorRampWidget::schemeChanged );
42 connect( mTreeColors->model(), &QAbstractItemModel::rowsRemoved,
this, &QgsPresetColorRampWidget::schemeChanged );
55 mTreeColors->setScheme( &mRamp );
60void QgsPresetColorRampWidget::updatePreview()
62 const QSize size( 300, 40 );
66void QgsPresetColorRampWidget::setColors()
72void QgsPresetColorRampWidget::mButtonAddColor_clicked()
87 if ( !newColor.isValid() )
97void QgsPresetColorRampWidget::schemeChanged()
99 mTreeColors->saveColorsToScheme();
104void QgsPresetColorRampWidget::newColorChanged(
const QColor &color )
106 const int row = mTreeColors->model()->rowCount() - 1;
107 const QModelIndex colorIndex = mTreeColors->model()->index( row, 0 );
108 mTreeColors->model()->setData( colorIndex, color );
114 QVBoxLayout *vLayout =
new QVBoxLayout();
118 vLayout->addWidget( mWidget );
119 mButtonBox =
new QDialogButtonBox( QDialogButtonBox::Cancel | QDialogButtonBox::Help | QDialogButtonBox::Ok, Qt::Horizontal );
120 connect( mButtonBox, &QDialogButtonBox::accepted,
this, &QDialog::accept );
121 connect( mButtonBox, &QDialogButtonBox::rejected,
this, &QDialog::reject );
122 connect( mButtonBox, &QDialogButtonBox::helpRequested,
this, &QgsPresetColorRampDialog::showHelp );
123 vLayout->addWidget( mButtonBox );
124 setLayout( vLayout );
125 setWindowTitle( tr(
"Color Presets Ramp" ) );
134void QgsPresetColorRampDialog::showHelp()
136 QgsHelp::openHelp( QStringLiteral(
"style_library/style_manager.html#setting-a-color-ramp" ) );
static QColor getColor(const QColor &initialColor, QWidget *parent, const QString &title=QString(), bool allowOpacity=false)
Returns a color selection from a color dialog.
void pasteColors()
Pastes colors from clipboard to the list.
void removeSelection()
Removes any selected colors from the list.
void copyColors()
Copies colors from the list to the clipboard.
void showExportColorsDialog()
Displays a file picker dialog allowing users to export colors from the list into a file.
void showImportColorsDialog()
Displays a file picker dialog allowing users to import colors into the list from a file.
static void openHelp(const QString &key)
Opens help topic for the given help key using default system web browser.
QDialogButtonBox * buttonBox() const
Returns a reference to the dialog's button box.
QgsPresetSchemeColorRamp ramp
void changed()
Emitted when the dialog settings change.
QgsPresetColorRampDialog(const QgsPresetSchemeColorRamp &ramp, QWidget *parent=nullptr)
Constructor for QgsPresetColorRampDialog.
A scheme based color ramp consisting of a list of predefined colors.
static QColor lastUsedColor()
Returns the most recently used color.
static QPixmap colorRampPreviewPixmap(QgsColorRamp *ramp, QSize size, int padding=0, Qt::Orientation direction=Qt::Horizontal, bool flipDirection=false, bool drawTransparentBackground=true)
Returns a pixmap preview for a color ramp.
static QString colorToName(const QColor &color)
Returns a friendly display name for a color.