From 46ffc883df94b2fb664e3bed1644cfe53b890bf8 Mon Sep 17 00:00:00 2001
From: apprb <apprb@users.noreply.github.com>
Date: Fri, 26 Sep 2014 00:30:23 +0700
Subject: [PATCH] Progress bar in file transfers (fix #309)

---
 filetransferinstance.cpp | 34 ++++++++++++++++++++++++++++++----
 filetransferinstance.h   |  3 ++-
 2 files changed, 32 insertions(+), 5 deletions(-)

diff --git a/filetransferinstance.cpp b/filetransferinstance.cpp
index 9bcc7b6e1..6167bfac3 100644
--- a/filetransferinstance.cpp
+++ b/filetransferinstance.cpp
@@ -21,6 +21,7 @@
 #include <QMessageBox>
 #include <QBuffer>
 #include <QDebug>
+#include <QPainter>
 
 uint FileTransferInstance::Idconter = 0;
 
@@ -76,6 +77,7 @@ void FileTransferInstance::onFileTransferInfo(int FriendId, int FileNum, int64_t
     long rawspeed = diff / timediff;
     speed = getHumanReadableSize(rawspeed)+"/s";
     size = getHumanReadableSize(Filesize);
+    totalBytes = Filesize;
     if (!rawspeed)
         return;
     int etaSecs = (Filesize - BytesSent) / rawspeed;
@@ -352,8 +354,16 @@ QString FileTransferInstance::draw2ButtonsForm(const QString &type, const QImage
     QString imgBstr = "<img src=\"data:ftrans." + widgetId + ".btnB/png;base64," + QImage2base64(imgB) + "\">";
 
     QString content;
-    content += "<p>" + filename + "</p>";
-    content += "<p>" + getHumanReadableSize(lastBytesSent) + " / " + size + "&nbsp;(" + speed + " ETA: " + eta + ")</p>\n";
+    QString progrBar = "<img src=\"data:progressbar." + widgetId + "/png;base64," + QImage2base64(drawProgressBarImg(double(lastBytesSent)/totalBytes, 250, 9)) + "\">";
+
+    content  = "<p>" + filename + "</p>";
+    content += "<table cellspacing=\"0\"><tr>";
+    content += "<td>" + size + "</td>";
+    content += "<td align=center>" + speed + "</td>";
+    content += "<td align=right>ETA: " + eta + "</td>";
+    content += "</tr><tr><td colspan=3>";
+    content += progrBar;
+    content += "</td></tr></table>";
 
     return wrapIntoForm(content, type, imgAstr, imgBstr);
 }
@@ -362,10 +372,10 @@ QString FileTransferInstance::wrapIntoForm(const QString& content, const QString
 {
     QString res;
 
-    res =  "<table widht=100% cellspacing=\"0\">\n";
+    res =  "<table cellspacing=\"0\">\n";
     res += "<tr valign=middle>\n";
     res += insertMiniature(type);
-    res += "<td width=100%>\n";
+    res += "<td width=280>\n";
     res += "<div class=" + type + ">";
     res += content;
     res += "</div>\n";
@@ -378,3 +388,19 @@ QString FileTransferInstance::wrapIntoForm(const QString& content, const QString
 
     return res;
 }
+
+QImage FileTransferInstance::drawProgressBarImg(const double &part, int w, int h)
+{
+    QImage progressBar(w, h, QImage::Format_Mono);
+
+    QPainter qPainter(&progressBar);
+    qPainter.setBrush(Qt::NoBrush);
+    qPainter.setPen(Qt::black);
+    qPainter.drawRect(0, 0, w - 1, h - 1);
+
+    qPainter.setBrush(Qt::SolidPattern);
+    qPainter.setPen(Qt::black);
+    qPainter.drawRect(1, 0, (w - 2) * (part), h - 1);
+
+    return progressBar;
+}
diff --git a/filetransferinstance.h b/filetransferinstance.h
index b81b03102..d1c9062d9 100644
--- a/filetransferinstance.h
+++ b/filetransferinstance.h
@@ -62,6 +62,7 @@ private:
     QString draw2ButtonsForm(const QString &type, const QImage &imgA, const QImage &imgB);
     QString insertMiniature(const QString &type);
     QString wrapIntoForm(const QString &content, const QString &type, const QString &imgAstr, const QString &imgBstr);
+    QImage drawProgressBarImg(const double &part, int w, int h);
 
 private:
     static uint Idconter;
@@ -72,7 +73,7 @@ private:
     QImage pic;
     QString filename, size, speed, eta;
     QDateTime lastUpdate;
-    long long lastBytesSent;
+    long long lastBytesSent, totalBytes;
     int fileNum;
     int friendId;
     QString savePath;