From 85879cc241b5f658fc613281a49c9a76fbb741bd Mon Sep 17 00:00:00 2001
From: Simon Rettberg
Date: Sat, 11 Nov 2017 23:43:52 +0100
Subject: WORK IN PROGRESS! Add bwlp logo, banner support, log message window

---
 src/mainwindow.cpp | 97 +++++++++++++++++++++++++++++++++++++++++++++---------
 1 file changed, 82 insertions(+), 15 deletions(-)

(limited to 'src/mainwindow.cpp')

diff --git a/src/mainwindow.cpp b/src/mainwindow.cpp
index 314493c..c578c43 100644
--- a/src/mainwindow.cpp
+++ b/src/mainwindow.cpp
@@ -11,11 +11,16 @@
 #include <QPalette>
 #include <QString>
 #include <QDebug>
+#include <QTextEdit>
+#include <QStyleFactory>
+#include <QSvgWidget>
 
 #include "mainwindow.h"
 #include "loginform.h"
 #include "settings.h"
 
+static const Settings _settings;
+
 MainWindow::MainWindow(bool primary, int screen, const QRect &screenRect, QWidget *parent) :
     QWidget(parent),
     m_Screen(screen),
@@ -28,16 +33,19 @@ MainWindow::MainWindow(bool primary, int screen, const QRect &screenRect, QWidge
     setBackground();
 
     // display login dialog only in the main screen
+
+    int spaceY = screenRect.height() / 2;
     
     if (showLoginForm()) {
         m_LoginForm = new LoginForm(this);
+        spaceY -= m_LoginForm->height() / 2;
 
         int maxX = screenRect.width() - m_LoginForm->width();
         int maxY = screenRect.height() - m_LoginForm->height();
-        int defaultX = 10*maxX/100;
+        int defaultX = 50*maxX/100;
         int defaultY = 50*maxY/100;
-        int offsetX = getOffset(Settings().offsetX(), maxX, defaultX);
-        int offsetY = getOffset(Settings().offsetY(), maxY, defaultY);
+        int offsetX = getOffset(_settings.offsetX(), maxX, defaultX);
+        int offsetY = getOffset(_settings.offsetY(), maxY, defaultY);
         
         m_LoginForm->move(offsetX, offsetY);
         m_LoginForm->show();
@@ -50,6 +58,42 @@ MainWindow::MainWindow(bool primary, int screen, const QRect &screenRect, QWidge
         int centerY = screenRect.height()/2 + screenRect.y();
         QCursor::setPos(centerX, centerY);
     }
+
+    // Message log at the bottom
+    m_messages = new QTextEdit(this);
+    int logHeight = screenRect.height() * 3 / 4;
+    if (logHeight > spaceY - 10) {
+        logHeight = spaceY - 10;
+    }
+    m_messages->move(0, screenRect.height() * 2 / 3);
+    m_messages->setFixedSize(screenRect.width(), screenRect.height() / 3);
+    QPalette p = m_messages->palette();
+    p.setColor(QPalette::Base, QColor(0,0,0,0)); // r,g,b,A
+    QPalette::Light;
+    m_messages->setPalette(p);
+    //m_messages->setText("TODO\nLogmessages\n\nWarnings\netc.");
+    m_messages->setReadOnly(true);
+    this->setStyle(QStyleFactory::create("#m_messages, QTextEdit { border: none; }")); // TODO: Get rid of black 1px border
+
+    // Banner
+    if (_settings.bannerImagePath().isEmpty()) {
+        QSvgWidget *banner = new QSvgWidget(_settings.bannerImagePath(), this);
+        if (banner->sizeHint().height() > 0) {
+            int bw, bh;
+            QSize sh = banner->sizeHint();
+            if (sh.height() < spaceY) {
+                banner->setFixedSize(sh);
+                bw = sh.width();
+                bh = sh.height();
+            } else {
+                int bh = spaceY - 20;
+                int bw = sh.width() * bh / sh.height();
+                banner->setFixedSize(bw, bh);
+            }
+            banner->move((screenRect.width() - bw) / 2, (spaceY - bh) / 2);
+        }
+    }
+    // TODO: UniLogo
 }
 
 MainWindow::~MainWindow()
@@ -97,23 +141,46 @@ int MainWindow::getOffset(QString settingsOffset, int maxVal, int defaultVal)
 
 void MainWindow::setBackground()
 {
-    QSettings greeterSettings(CONFIG_FILE, QSettings::IniFormat);
-    
-    if (greeterSettings.contains(BACKGROUND_IMAGE_KEY)) {
-        QString pathTom_background = greeterSettings.value(BACKGROUND_IMAGE_KEY).toString();
-        
-        m_background = QImage(pathTom_background);
+    Qt::AspectRatioMode arMode = Qt::KeepAspectRatioByExpanding;
+    QString bgPath = _settings.backgrundImagePath();
+    if (bgPath.length() != 0) {
+        m_background = QImage(bgPath);
         if (m_background.isNull()) {
-            qWarning() << "Not able to read" << pathTom_background << "as image";
+            qWarning() << "Not able to read" << bgPath << "as image";
         }
              
     }
+
+    if (m_background.isNull()) {
+        arMode = Qt::IgnoreAspectRatio;
+        QStringList cols = _settings.gradientColors();
+        if (cols.length() == 4 || cols.length() == 2) {
+            bool ok = true;
+            uint a, b, c, d;
+            if (ok) c = a = cols.at(0).toUInt(&ok, 16) | 0xff000000;
+            if (ok) d = b = cols.at(1).toUInt(&ok, 16) | 0xff000000;
+            if (cols.length() == 4) {
+                if (ok) c = cols.at(2).toUInt(&ok, 16) | 0xff000000;
+                if (ok) d = cols.at(3).toUInt(&ok, 16) | 0xff000000;
+            }
+            if (ok) {
+                m_background = QImage(cols.length() / 2, 2, QImage::Format_RGB32);
+                m_background.setPixel(0, 0, a);
+                m_background.setPixel(0, 1, c);
+                if (cols.length() == 4) {
+                    m_background.setPixel(1, 0, b);
+                    m_background.setPixel(1, 1, d);
+                }
+            }
+        }
+    }
     if (m_background.isNull()) {
-    	m_background = QImage(2, 2, QImage::Format_RGB32);
-    	m_background.setPixel(0, 0, 0xffffffff);
-    	m_background.setPixel(1, 0, 0xff888687);
-    	m_background.setPixel(0, 1, 0xff888687);
-    	m_background.setPixel(1, 1, 0xfff9a72b);
+        // Hard-coded default: Gradient
+        m_background = QImage(2, 2, QImage::Format_RGB32);
+        m_background.setPixel(0, 0, 0xffffffff);
+        m_background.setPixel(1, 0, 0xff888687);
+        m_background.setPixel(0, 1, 0xff888687);
+        m_background.setPixel(1, 1, 0xfff9a72b);
     }
     
     QPalette palette;
-- 
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