From aa16101b27e0e7d55e1690fceda1a284f871427b Mon Sep 17 00:00:00 2001
From: Simon Rettberg
Date: Wed, 29 Nov 2017 15:08:04 +0100
Subject: Add support for distro logo

---
 src/mainwindow.cpp | 51 +++++++++++++++++++++++++++++++++++++++++++++------
 src/mainwindow.h   |  2 ++
 2 files changed, 47 insertions(+), 6 deletions(-)

diff --git a/src/mainwindow.cpp b/src/mainwindow.cpp
index 79a5190..75a1dcb 100644
--- a/src/mainwindow.cpp
+++ b/src/mainwindow.cpp
@@ -13,6 +13,7 @@
 #include <QtDebug>
 #include <QTextEdit>
 #include <QStyleFactory>
+#include <QLabel>
 #include <QSvgWidget>
 #include <QSvgRenderer>
 #include <QAbstractTextDocumentLayout>
@@ -91,8 +92,10 @@ MainWindow::MainWindow(bool primary, int screen, const QRect &screenRect, QWidge
     if (ls > screenRect.width() / 5) ls = screenRect.width() / 5;
     QRect logoRect(QPoint(0, screenRect.height() - ls), QSize(ls, ls));
     QSize logoSize = createLogo(logoRect);
+    QRect distroRect(QPoint(screenRect.width() - ls, screenRect.height() - ls), QSize(ls, ls));
+    QSize distroSize = createDistro(distroRect);
     if (showLoginForm()) {
-        QRect lwSize(QPoint(logoSize.width(), screenRect.height() * 3/4), QPoint(screenRect.width(), screenRect.height()));
+        QRect lwSize(QPoint(logoSize.width(), screenRect.height() * 3/4), QPoint(screenRect.width() - distroSize.width(), screenRect.height()));
         lwSize.adjust(10, 10, -10, -10);
         createLogWindow(lwSize);
     }
@@ -132,6 +135,43 @@ QSize MainWindow::createLogo(const QRect &max)
     return size;
 }
 
+QSize MainWindow::createDistro(const QRect &max)
+{
+    QImage img(QString("/etc/distro.png"));
+    if (img.isNull())
+        return QSize(0, 0);
+    int w = img.width(), h = img.height();
+    if (w+20 > max.width() || h+20 > max.height()) {
+        // This requires that the given rect is square
+        QRect cmp(max);
+        cmp.adjust(0, 0, -20, -20);
+        if (w > h) {
+            if (w != cmp.width()) {
+                h = h * cmp.width() / w;
+                w = cmp.width();
+            }
+        } else {
+            if (h != cmp.height()) {
+                w = w * cmp.height() / h;
+                h = cmp.height();
+            }
+        }
+        img = img.scaled(w, h, Qt::KeepAspectRatio, Qt::SmoothTransformation);
+        cmp.adjust(0, 0, 20, 20);
+    }
+    w += 20;
+    h += 20;
+    QPixmap pixmap(QPixmap::fromImage(img));
+    QLabel *lbl = new QLabel(this);
+    lbl->setPixmap(pixmap);
+    QSize size(w, h);
+    QRect c(max);
+    c.adjust(max.width() - w, max.height() - h, 0, 0);
+    c.adjust(10, 10, -10, -10);
+    lbl->setGeometry(c);
+    return size;
+}
+
 void MainWindow::createLogWindow(const QRect& geom)
 {
     QString path = _settings.logMessageFile();
@@ -216,7 +256,6 @@ void MainWindow::setBackground()
         if (m_background.isNull()) {
             qWarning() << "Not able to read" << bgPath << "as image";
         }
-             
     }
 
     if (m_background.isNull()) {
@@ -231,7 +270,7 @@ void MainWindow::setBackground()
         m_background.setPixel(0, 1, 0xff888687);
         m_background.setPixel(1, 1, 0xfff9a72b);
     }
-    
+
     QPalette palette;
     if (m_background.isNull()) {
         palette.setColor(QPalette::Background, Qt::black);
@@ -240,9 +279,9 @@ void MainWindow::setBackground()
         m_background = m_background.scaled(m_ScreenRect.width(), m_ScreenRect.height(), arMode, Qt::SmoothTransformation);
         int xoff = (m_background.width() -  m_ScreenRect.width()) / 2;
         int yoff = (m_background.height() - m_ScreenRect.height()) / 2;
-    	if (xoff != 0 || yoff != 0) {
-    		m_background = m_background.copy(xoff, yoff, m_background.width(), m_background.height());
-    	}
+        if (xoff != 0 || yoff != 0) {
+            m_background = m_background.copy(xoff, yoff, m_background.width(), m_background.height());
+        }
         QBrush brush(m_background);
         palette.setBrush(this->backgroundRole(), brush);
     }
diff --git a/src/mainwindow.h b/src/mainwindow.h
index ccaa073..53c54e0 100644
--- a/src/mainwindow.h
+++ b/src/mainwindow.h
@@ -34,6 +34,8 @@ public:
 
     QSize createLogo(const QRect &max);
 
+    QSize createDistro(const QRect &max);
+
     void createLogWindow(const QRect& geom);
 
     bool showLoginForm();
-- 
cgit v1.2.3-55-g7522