Make background color of PictureViewer2 configurable

Add options to ConfigurationDialog to either use a fixed color as
background or a gradient picked with random colors picked from the
picture.

1 files changed, 40 insertions, 6 deletions

diff --git a/configurationdialog.cpp b/configurationdialog.cpp
index 25908db..717e510 100644
--- a/configurationdialog.cpp
+++ b/configurationdialog.cpp
@@ -313,15 +313,37 @@ ConfigurationDialog::ConfigurationDialog(QWidget *parent, Qt::WindowFlags f) : S
 	colorGrid->addWidget(mFavoriteColorButton, 7, 2);
 	colorMapper->setMapping(mFavoriteColorButton, mFavoriteColor);
 	connect(mFavoriteColorButton, SIGNAL(clicked()), colorMapper, SLOT(map()));
-	connect(colorMapper, SIGNAL(mapped(QWidget*)), this, SLOT(chooseColor(QWidget*)));
-	mAlternateColors = new QCheckBox(tr("Use alternating row colors"));
+    mAlternateColors = new QCheckBox(tr("Use alternating row colors"));
 	mAlternateColors->setTristate(false);
 	connect(mAlternateColors, SIGNAL(stateChanged(int)), this, SLOT(alternateColorsChanged(int)));
 	colorGrid->addWidget(mAlternateColors, 8, 1, 1, 2, Qt::AlignLeft);
-	QVBoxLayout *colorStretchLayout = new QVBoxLayout;
-	colorStretchLayout->addStretch();
-	colorGrid->addLayout(colorStretchLayout, 9, 1, 3, Qt::AlignLeft);
-	colorsWidget->setLayout(colorGrid);
+    colorsWidget->setLayout(colorGrid);
+
+    QLabel *color9 = new QLabel(tr("PicViewer Background"));
+    mPVBgColor = new QLabel;
+    mPVBgColor->setFrameStyle(QFrame::Sunken | QFrame::Panel);
+    mPVBgColor->setScaledContents(true);
+    mPVBgButton = new QPushButton(tr("Choose..."));
+    QGridLayout *pvGrid = new QGridLayout;
+    pvGrid->addWidget(color9, 0, 0);
+    pvGrid->addWidget(mPVBgColor, 0, 1);
+    pvGrid->addWidget(mPVBgButton, 0, 2);
+    colorMapper->setMapping(mPVBgButton, mPVBgColor);
+    connect(mPVBgButton, SIGNAL(clicked()), colorMapper, SLOT(map()));
+    mPVGradient = new QCheckBox(tr("Use random gradient as background"));
+    mPVGradient->setTristate(false);
+    connect(mPVGradient, SIGNAL(stateChanged(int)), this, SLOT(randomGradientChanged(int)));
+    pvGrid->addWidget(mPVGradient, 1, 1, 1, 2, Qt::AlignLeft);
+
+    connect(colorMapper, SIGNAL(mapped(QWidget*)), this, SLOT(chooseColor(QWidget*)));
+    QGroupBox *treeGB = new QGroupBox(tr("Treeview colors"));
+    treeGB->setLayout(colorGrid);
+    QGroupBox *pvGB = new QGroupBox(tr("PicViewer colors"));
+    pvGB->setLayout(pvGrid);
+    QVBoxLayout *colorLayout = new QVBoxLayout;
+    colorLayout->addWidget(treeGB);
+    colorLayout->addWidget(pvGB);
+    colorsWidget->setLayout(colorLayout);
 	mTab->addTab(colorsWidget, tr("Colors"));
 
 	//main layout
@@ -406,6 +428,8 @@ void ConfigurationDialog::readSettings(){
 	mColors.insert(mArchivedColor, archived.value<QColor>());
 	QVariant favorite = s.value("ui/favoritecolor", Qt::red);
 	mColors.insert(mFavoriteColor, favorite.value<QColor>());
+    QVariant pvbackground = s.value("ui/pvbgcolor", Qt::red);
+    mColors.insert(mPVBgColor, pvbackground.value<QColor>());
 	QHash<QWidget*, QColor>::const_iterator it;
 	for(it = mColors.constBegin(); it != mColors.constEnd(); ++it){
 		setColor(it.key());
@@ -413,6 +437,9 @@ void ConfigurationDialog::readSettings(){
 	bool allowAlternate = s.value("ui/allowalternate", true).toBool();
 	mAlternateColors->setChecked(allowAlternate);
 	alternateColorsChanged(mAlternateColors->checkState());
+    bool useGradient = s.value("ui/pvgradient", false).toBool();
+    mPVGradient->setChecked(useGradient);
+    randomGradientChanged(mPVGradient->checkState());
 }
 
 void ConfigurationDialog::writeSettings(){
@@ -470,7 +497,9 @@ void ConfigurationDialog::writeSettings(){
 	s.setValue("ui/localcolor", mColors.value(mLocalColor));
 	s.setValue("ui/archivedcolor", mColors.value(mArchivedColor));
 	s.setValue("ui/favoritecolor", mColors.value(mFavoriteColor));
+    s.setValue("ui/pvbgcolor", mColors.value(mPVBgColor));
 	s.setValue("ui/allowalternate", mAlternateColors->isChecked());
+    s.setValue("ui/pvgradient", mPVGradient->isChecked());
 }
 
 bool ConfigurationDialog::checkDvdPath(){
@@ -539,6 +568,11 @@ void ConfigurationDialog::alternateColorsChanged(int state){
 	mAlternateBaseColor->setEnabled(state == Qt::Checked);
 }
 
+void ConfigurationDialog::randomGradientChanged(int state){
+    mPVBgButton->setEnabled(state == Qt::Unchecked);
+    mPVBgColor->setEnabled(state == Qt::Unchecked);
+}
+
 void ConfigurationDialog::setColor(QWidget *label){
 	QLabel *curLabel = qobject_cast<QLabel*>(label);
 	if(!curLabel){