Added the ability to change the background color of the preview page

include/lrpreviewreportwidget.h

@@ -29,6 +29,8 @@ public:
     ScaleType scaleType() const;
     int  scalePercent() const;
     void setScaleType(const ScaleType &scaleType, int percent = 0);
+    void setPreviewPageBackgroundColor(QColor color);
+    QColor previewPageBackgroundColor();
 public slots:
     void refreshPages();
     void zoomIn();
@@ -67,7 +69,8 @@ private:
     PreviewReportWidgetPrivate* d_ptr;
     ScaleType m_scaleType;
     int       m_scalePercent;
-    QTimer m_resizeTimer;
+    QTimer    m_resizeTimer;
+    QColor    m_previewPageBackgroundColor;
 };
 
 } // namespace LimeReport

include/lrreportengine.h

@@ -107,6 +107,7 @@ public:
     PreviewReportWidget *createPreviewWidget(QWidget *parent = 0);
     void setPreviewWindowTitle(const QString& title);
     void setPreviewWindowIcon(const QIcon& icon);
+    void setPreviewPageBackgroundColor(QColor color);
     void setResultEditable(bool value);
     bool resultIsEditable();
     bool isBusy();

limereport/lrpreviewreportwidget.cpp

@@ -71,7 +71,7 @@ QList<QString> PreviewReportWidgetPrivate::aviableExporters()
 PreviewReportWidget::PreviewReportWidget(ReportEngine *report, QWidget *parent) :
     QWidget(parent),
     ui(new Ui::PreviewReportWidget), d_ptr(new PreviewReportWidgetPrivate(this)),
-    m_scaleType(FitWidth), m_scalePercent(0)
+    m_scaleType(FitWidth), m_scalePercent(0), m_previewPageBackgroundColor(Qt::white)
 {
     ui->setupUi(this);
     d_ptr->m_report = report->d_ptr;
@@ -127,6 +127,7 @@ void PreviewReportWidget::initPreview()
         ui->graphicsView->setScene(d_ptr->m_previewPage);
     ui->graphicsView->resetMatrix();
     ui->graphicsView->centerOn(0, 0);
+    ui->graphicsView->scene()->setBackgroundBrush(QColor(m_previewPageBackgroundColor));
     setScalePercent(d_ptr->m_scalePercent);
 }
 
@@ -322,6 +323,16 @@ void PreviewReportWidget::setScaleType(const ScaleType &scaleType, int percent)
     m_scalePercent = percent;
 }
 
+void PreviewReportWidget::setPreviewPageBackgroundColor(QColor color)
+{
+    m_previewPageBackgroundColor = color;
+}
+
+QColor PreviewReportWidget::previewPageBackgroundColor()
+{
+    return  m_previewPageBackgroundColor;
+}
+
 void PreviewReportWidget::refreshPages()
 {
     if (d_ptr->m_report){

limereport/lrpreviewreportwidget.h

@@ -29,6 +29,8 @@ public:
     ScaleType scaleType() const;
     int  scalePercent() const;
     void setScaleType(const ScaleType &scaleType, int percent = 0);
+    void setPreviewPageBackgroundColor(QColor color);
+    QColor previewPageBackgroundColor();
 public slots:
     void refreshPages();
     void zoomIn();
@@ -67,7 +69,8 @@ private:
     PreviewReportWidgetPrivate* d_ptr;
     ScaleType m_scaleType;
     int       m_scalePercent;
-    QTimer m_resizeTimer;
+    QTimer    m_resizeTimer;
+    QColor    m_previewPageBackgroundColor;
 };
 
 } // namespace LimeReport

limereport/lrpreviewreportwidget_p.h

@@ -15,7 +15,7 @@ public:
     PreviewReportWidgetPrivate(PreviewReportWidget* previewReportWidget):
       m_previewPage(NULL), m_report(NULL), m_zoomer(NULL),
       m_currentPage(1), m_changingPage(false), m_priorScrolValue(0), m_scalePercent(50),
-      q_ptr(previewReportWidget) {}
+      q_ptr(previewReportWidget), m_previePageColor(Qt::white) {}
     bool pageIsVisible();
     QRectF calcPageShift();
     void setPages( ReportPages pages);
@@ -31,7 +31,7 @@ public:
     int m_priorScrolValue;
     int m_scalePercent;
     PreviewReportWidget* q_ptr;
-
+    QColor m_previePageColor;
 };
 
 }

limereport/lrpreviewreportwindow.cpp

@@ -47,7 +47,8 @@ namespace LimeReport{
 
 PreviewReportWindow::PreviewReportWindow(ReportEngine *report, QWidget *parent, QSettings *settings, Qt::WindowFlags flags) :
     QMainWindow(parent,flags),
-    ui(new Ui::PreviewReportWindow), m_settings(settings), m_ownedSettings(false), m_scalePercentChanging(false)
+    ui(new Ui::PreviewReportWindow), m_settings(settings), m_ownedSettings(false),
+    m_scalePercentChanging(false)
 {
     ui->setupUi(this);
     setWindowTitle("Lime Report Preview");
@@ -362,6 +363,16 @@ void PreviewReportWindow::setPreviewScaleType(const ScaleType &previewScaleType,
     m_previewReportWidget->setScaleType(previewScaleType, percent);
 }
 
+QColor PreviewReportWindow::previewPageBackgroundColor()
+{
+    return m_previewReportWidget->previewPageBackgroundColor();
+}
+
+void PreviewReportWindow::setPreviewPageBackgroundColor(QColor color)
+{
+    m_previewReportWidget->setPreviewPageBackgroundColor(color);
+}
+
 void PreviewReportWindow::on_actionSaveToFile_triggered()
 {
     m_previewReportWidget->saveToFile();

limereport/lrpreviewreportwindow.h

@@ -73,7 +73,8 @@ public:
     QSettings* settings();
     ScaleType previewScaleType() const;
     void setPreviewScaleType(const ScaleType &previewScaleType, int percent = 0);
-
+    QColor previewPageBackgroundColor();
+    void setPreviewPageBackgroundColor(QColor color);
 protected:
     void writeSetting();
     void restoreSetting();
@@ -124,7 +125,6 @@ private:
     ScaleType m_previewScaleType;
     int m_previewScalePercent;
     bool m_scalePercentChanging;
-
 };
 } //namespace LimeReport
 #endif // LRPREVIEWREPORTWINDOW_H

limereport/lrreportengine.cpp

@@ -82,7 +82,8 @@ ReportEnginePrivate::ReportEnginePrivate(QObject *parent) :
     m_reportRendering(false), m_resultIsEditable(true), m_passPhrase("HjccbzHjlbyfCkjy"),
     m_fileWatcher( new QFileSystemWatcher( this ) ), m_reportLanguage(QLocale::AnyLanguage),
     m_previewLayoutDirection(Qt::LayoutDirectionAuto), m_designerFactory(0),
-    m_previewScaleType(FitWidth), m_previewScalePercent(0), m_startTOCPage(0)
+    m_previewScaleType(FitWidth), m_previewScalePercent(0), m_startTOCPage(0),
+    m_previewPageBackgroundColor(Qt::white)
 {
 #ifdef HAVE_STATIC_BUILD
     initResources();
@@ -503,6 +504,7 @@ void ReportEnginePrivate::previewReport(PreviewHints hints)
         if (pages.count()>0){
             Q_Q(ReportEngine);
             PreviewReportWindow* w = new PreviewReportWindow(q,0,settings());
+            w->setPreviewPageBackgroundColor(m_previewPageBackgroundColor);
             w->setWindowFlags(Qt::Dialog|Qt::WindowMaximizeButtonHint|Qt::WindowCloseButtonHint| Qt::WindowMinMaxButtonsHint);
             w->setAttribute(Qt::WA_DeleteOnClose,true);
             w->setWindowModality(Qt::ApplicationModal);
@@ -1094,6 +1096,16 @@ void ReportEnginePrivate::setPreviewWindowTitle(const QString &previewWindowTitl
     m_previewWindowTitle = previewWindowTitle;
 }
 
+QColor ReportEnginePrivate::previewWindowPageBackground()
+{
+    return m_previewPageBackgroundColor;
+}
+
+void ReportEnginePrivate::setPreviewWindowPageBackground(QColor color)
+{
+    m_previewPageBackgroundColor = color;
+}
+
 QIcon ReportEnginePrivate::previewWindowIcon() const
 {
     return m_previewWindowIcon;
@@ -1338,6 +1350,12 @@ void ReportEngine::setPreviewWindowIcon(const QIcon &icon)
     d->setPreviewWindowIcon(icon);
 }
 
+void ReportEngine::setPreviewPageBackgroundColor(QColor color)
+{
+    Q_D(ReportEngine);
+    d->setPreviewWindowPageBackground(color);
+}
+
 void ReportEngine::setResultEditable(bool value)
 {
     Q_D(ReportEngine);

limereport/lrreportengine.h

@@ -107,6 +107,7 @@ public:
     PreviewReportWidget *createPreviewWidget(QWidget *parent = 0);
     void setPreviewWindowTitle(const QString& title);
     void setPreviewWindowIcon(const QIcon& icon);
+    void setPreviewPageBackgroundColor(QColor color);
     void setResultEditable(bool value);
     bool resultIsEditable();
     bool isBusy();

limereport/lrreportengine_p.h

@@ -189,6 +189,8 @@ public:
     void setPreviewWindowIcon(const QIcon &previewWindowIcon);
     QString previewWindowTitle() const;
     void setPreviewWindowTitle(const QString &previewWindowTitle);
+    QColor previewWindowPageBackground();
+    void setPreviewWindowPageBackground(QColor color);
 
     bool suppressFieldAndVarError() const;
     void setSuppressFieldAndVarError(bool suppressFieldAndVarError);
@@ -299,6 +301,7 @@ private:
     ScaleType m_previewScaleType;
     int m_previewScalePercent;
     int m_startTOCPage;
+    QColor m_previewPageBackgroundColor;
 };
 
 }