Added save image function into chat

retroshare-gui/src/gui/chat/ChatWidget.cpp

@@ -51,6 +51,7 @@
 #include "util/HandleRichText.h"
 #include "gui/chat/ChatUserNotify.h"//For BradCast
 #include "util/DateTime.h"
+#include "util/imageutil.h"
 
 #include <retroshare/rsstatus.h>
 #include <retroshare/rsidentity.h>
@@ -126,6 +127,7 @@ ChatWidget::ChatWidget(QWidget *parent) :
 	connect(ui->actionChooseColor, SIGNAL(triggered()), this, SLOT(chooseColor()));
 	connect(ui->actionResetFont, SIGNAL(triggered()), this, SLOT(resetFont()));
 	connect(ui->actionQuote, SIGNAL(triggered()), this, SLOT(quote()));
+	connect(ui->actionSave_image, SIGNAL(triggered()), this, SLOT(saveImage()));
 
 	connect(ui->hashBox, SIGNAL(fileHashingFinished(QList<HashedFile>)), this, SLOT(fileHashingFinished(QList<HashedFile>)));
 
@@ -977,6 +979,9 @@ void ChatWidget::contextMenuTextBrowser(QPoint point)
 	contextMnu->addAction(ui->actionClearChatHistory);
 	contextMnu->addAction(ui->actionQuote);
 
+	ui->actionSave_image->setData(point);
+	contextMnu->addAction(ui->actionSave_image);
+
 	contextMnu->exec(ui->textBrowser->viewport()->mapToGlobal(point));
 	delete(contextMnu);
 }
@@ -1674,3 +1679,10 @@ void ChatWidget::quote()
 		emit ui->chatTextEdit->append(QString(">") + text);
 	}
 }
+
+void ChatWidget::saveImage()
+{
+	QPoint point = ui->actionSave_image->data().toPoint();
+	QTextCursor cursor = ui->textBrowser->cursorForPosition(point);
+	ImageUtil::extractImage(window(), cursor);
+}

retroshare-gui/src/gui/chat/ChatWidget.h

@@ -133,7 +133,6 @@ private slots:
 	void messageHistory();
 	void resetStatusBar() ;
 	void searchHistory();
-	void quote();
 
 
 signals:
@@ -186,6 +185,9 @@ private slots:
 	bool fileSave();
 	bool fileSaveAs();
 
+	void quote();
+	void saveImage();
+
 private:
 	bool findText(const QString& qsStringToFind);
 	bool findText(const QString& qsStringToFind, bool bBackWard, bool bForceMove);

retroshare-gui/src/gui/chat/ChatWidget.ui

@@ -979,6 +979,15 @@ border-image: url(:/images/closepressed.png)
    <property name="toolTip">
     <string>Quotes the selected text</string>
    </property>
+  </action>
+    <action name="actionSave_image">
+   <property name="icon">
+    <iconset resource="../images.qrc">
+     <normaloff>:/images/document_save.png</normaloff>:/images/document_save.png</iconset>
+   </property>
+   <property name="text">
+    <string>Save image</string>
+   </property>
   </action>
  </widget>
  <customwidgets>

retroshare-gui/src/retroshare-gui.pro

@@ -524,7 +524,8 @@ HEADERS +=  rshare.h \
             gui/GetStartedDialog.h \
     gui/settings/WebuiPage.h \
     gui/statistics/BWGraph.h \
-    util/RsSyntaxHighlighter.h
+    util/RsSyntaxHighlighter.h \
+    util/imageutil.h
 
 #            gui/ForumsDialog.h \
 #            gui/forums/ForumDetails.h \
@@ -873,7 +874,8 @@ SOURCES +=  main.cpp \
             gui/statistics/BwCtrlWindow.cpp \
             gui/statistics/RttStatistics.cpp \
             gui/statistics/BWGraph.cpp \
-    util/RsSyntaxHighlighter.cpp
+    util/RsSyntaxHighlighter.cpp \
+    util/imageutil.cpp
 
 #            gui/ForumsDialog.cpp \
 #            gui/forums/ForumDetails.cpp \

retroshare-gui/src/util/imageutil.cpp

@@ -0,0 +1,43 @@
+#include "imageutil.h"
+#include "util/misc.h"
+
+#include <QMessageBox>
+#include <QTextCursor>
+#include <QByteArray>
+#include <QString>
+#include <QImage>
+#include <QTextDocumentFragment>
+#include <QApplication>
+
+ImageUtil::ImageUtil() {}
+
+void ImageUtil::extractImage(QWidget *window, QTextCursor cursor)
+{
+	cursor.movePosition(QTextCursor::Left, QTextCursor::MoveAnchor, 1);
+	cursor.movePosition(QTextCursor::Right, QTextCursor::KeepAnchor, 2);
+	QString imagestr = cursor.selection().toHtml();
+	bool success = false;
+	int start = imagestr.indexOf("base64,") + 7;
+	int stop = imagestr.indexOf("\"", start);
+	int length = stop - start;
+	if((start >= 0) && (length > 0))
+	{
+		QByteArray ba = QByteArray::fromBase64(imagestr.mid(start, length).toLatin1());
+		QImage image = QImage::fromData(ba);
+		if(!image.isNull())
+		{
+			QString file;
+			success = true;
+			if(misc::getSaveFileName(window, RshareSettings::LASTDIR_IMAGES, "Save Picture File", "Pictures (*.png *.xpm *.jpg)", file))
+			{
+				if(!image.save(file, 0, 100))
+					if(!image.save(file + ".png", 0, 100))
+						QMessageBox::warning(window, QApplication::translate("ImageUtil", "Save image"), QApplication::translate("ImageUtil", "Cannot save the image, invalid filename"));
+			}
+		}
+	}
+	if(!success)
+	{
+		QMessageBox::warning(window, QApplication::translate("ImageUtil", "Save image"), QApplication::translate("ImageUtil", "Not an image"));
+	}
+}

retroshare-gui/src/util/imageutil.h

@@ -0,0 +1,16 @@
+#ifndef IMAGEUTIL_H
+#define IMAGEUTIL_H
+
+#include <QTextCursor>
+#include <QWidget>
+
+
+class ImageUtil
+{
+public:
+	ImageUtil();
+
+	static void extractImage(QWidget *window, QTextCursor cursor);
+};
+
+#endif // IMAGEUTIL_H