From 8f0f9a0ef707799cef942170243d6bc28a86b577 Mon Sep 17 00:00:00 2001
From: Henry Hu <henry.hu.sh@gmail.com>
Date: Thu, 12 May 2016 03:45:03 -0400
Subject: add 2 options for background image: fit and full

---
 src-qt5/core/lumina-desktop/LDesktop.cpp | 30 ++++++++++++++++++++++++++++++
 1 file changed, 30 insertions(+)

(limited to 'src-qt5/core/lumina-desktop')

diff --git a/src-qt5/core/lumina-desktop/LDesktop.cpp b/src-qt5/core/lumina-desktop/LDesktop.cpp
index 72b267b0..5f959629 100644
--- a/src-qt5/core/lumina-desktop/LDesktop.cpp
+++ b/src-qt5/core/lumina-desktop/LDesktop.cpp
@@ -509,9 +509,39 @@ void LDesktop::UpdateBackground(){
   }else if( format == "bottomleft"){ style = "QWidget#bgWindow{ background: black url(%1); background-position: bottom left; background-repeat: no-repeat; }";
   }else if( format == "bottomright"){ style = "QWidget#bgWindow{ background: black url(%1); background-position: bottom right; background-repeat: no-repeat; }";
   }else if( format == "tile"){ style = "QWidget#bgWindow{ background-color: black; border-image:url(%1) repeat;}";
+  }else if( format == "full" || format == "fit") { style = "";
   }else{ /* STRETCH*/ style = "QWidget#bgWindow{ background-color: black; border-image:url(%1) stretch;}"; }
   style = style.arg(bgFile);
   bgWindow->setStyleSheet(style);
+  if(!bgFile.startsWith("rgb(") && (format == "full" || format == "fit")){
+    // Load the background file and scale
+    QPixmap background(bgFile);
+    Qt::AspectRatioMode mode;
+    if (format == "full") {
+      mode = Qt::KeepAspectRatioByExpanding;
+    } else {
+      mode = Qt::KeepAspectRatio;
+    }
+    background = background.scaled(bgWindow->size(), mode);
+    // Put the image at the center (for fit)
+    int dx = 0, dy = 0;
+    if (background.width() < bgWindow->width()) {
+      dx = (bgWindow->width() - background.width()) / 2;
+    }
+    if (background.height() < bgWindow->height()) {
+      dy = (bgWindow->height() - background.height()) / 2;
+    }
+    QPixmap fullBg(bgWindow->size());
+    fullBg.fill(Qt::black);
+    QPainter painter(&fullBg);
+    painter.setBrush(background);
+    painter.setBrushOrigin(dx, dy);
+    painter.drawRect(dx, dy, background.width(), background.height());
+    // Set the background
+    QPalette palette;
+    palette.setBrush(QPalette::Background, fullBg);
+    bgWindow->setPalette(palette);
+  }
   bgWindow->show();
   //Now reset the timer for the next change (if appropriate)
   if(bgtimer->isActive()){ bgtimer->stop(); }
-- 
cgit