From ed228485d04c194d0673f3e46a86e2f6ed20fb89 Mon Sep 17 00:00:00 2001
From: defnax <defnax@users.noreply.github.com>
Date: Mon, 18 Jan 2021 23:39:00 +0100
Subject: [PATCH] Added Stickers to load in Avatars Dialog to use a Avatar

* Added function to load stickers in Avatars Dialog to use a Avatars
* Added ZoomableLabel with crop image feature from PR #2236
---
 .../src/gui/common/AvatarDialog.cpp           | 235 +++++++++++++++++-
 retroshare-gui/src/gui/common/AvatarDialog.h  |  10 +
 retroshare-gui/src/gui/common/AvatarDialog.ui | 158 +++++++-----
 3 files changed, 332 insertions(+), 71 deletions(-)

diff --git a/retroshare-gui/src/gui/common/AvatarDialog.cpp b/retroshare-gui/src/gui/common/AvatarDialog.cpp
index 2a5d92cac..e1efb191a 100644
--- a/retroshare-gui/src/gui/common/AvatarDialog.cpp
+++ b/retroshare-gui/src/gui/common/AvatarDialog.cpp
@@ -19,12 +19,36 @@
  *******************************************************************************/
 
 #include <QBuffer>
+#include <QDesktopWidget>
+#include <QFile>
+#include <QDir>
+#include <QGridLayout>
+#include <QHash>
+#include <QIcon>
+#include <QPushButton>
+#include <QTabWidget>
+#include <QToolTip>
+#include <QWidget>
+#include <QMessageBox>
+#include <QDir>
+
+#include <iostream>
+#include <math.h>
 
 #include "AvatarDialog.h"
 #include "ui_AvatarDialog.h"
 #include "AvatarDefs.h"
 #include "util/misc.h"
 #include "gui/common/FilesDefs.h"
+#include "util/HandleRichText.h"
+#include "retroshare/rsinit.h"
+
+#define ICONNAME "groupicon.png"
+
+static QStringList filters;
+static QStringList stickerFolders;
+static QHash<QString, QString> tooltipcache;
+static QHash<QString, QPixmap> iconcache;
 
 /** Constructor */
 AvatarDialog::AvatarDialog(QWidget *parent) :
@@ -44,6 +68,8 @@ AvatarDialog::AvatarDialog(QWidget *parent) :
 	connect(ui->buttonBox, SIGNAL(rejected()), this, SLOT(reject()));
 
 	updateInterface();
+	loadFolders();
+	loadAvatarWidget();
 }
 
 const int AvatarDialog::RS_AVATAR_DEFAULT_IMAGE_W = 96;
@@ -56,18 +82,25 @@ AvatarDialog::~AvatarDialog()
 
 void AvatarDialog::changeAvatar()
 {
-	QPixmap img = misc::getOpenThumbnailedPicture(this, tr("Load Avatar"), RS_AVATAR_DEFAULT_IMAGE_W,RS_AVATAR_DEFAULT_IMAGE_H);
+    QString image_filename ;
 
-	if (img.isNull())
-		return;
+    if(!misc::getOpenFileName(this,RshareSettings::LASTDIR_IMAGES,tr("Import image"), tr("Image files (*.jpg *.png);;All files (*)"),image_filename))
+        return;
 
-	ui->avatarLabel->setPixmap(img);
+    QImage img(image_filename);
+
+    ui->avatarLabel->setPicture(QPixmap::fromImage(img));
+    ui->avatarLabel->setEnableZoom(true);
+    ui->avatarLabel->setToolTip(tr("Use the mouse to zoom and adjust the image for your avatar."));
+
+    // shows the tooltip for a while
+    QToolTip::showText( ui->avatarLabel->mapToGlobal( QPoint( 0, 0 ) ), ui->avatarLabel->toolTip() );
 	updateInterface();
 }
 
 void AvatarDialog::removeAvatar()
 {
-	ui->avatarLabel->setPixmap(QPixmap());
+	ui->avatarLabel->setPicture(QPixmap());
 	updateInterface();
 }
 
@@ -83,7 +116,7 @@ void AvatarDialog::updateInterface()
 
 void AvatarDialog::setAvatar(const QPixmap &avatar)
 {
-	ui->avatarLabel->setPixmap(avatar);
+	ui->avatarLabel->setPicture(avatar);
 	updateInterface();
 }
 
@@ -111,3 +144,193 @@ void AvatarDialog::getAvatar(QByteArray &avatar)
 	buffer.open(QIODevice::WriteOnly);
 	pixmap->save(&buffer, "PNG"); // writes image into ba in PNG format
 }
+
+void AvatarDialog::loadFolders()
+{
+	filters << "*.png" << "*.jpg" << "*.gif";
+	stickerFolders << (QString::fromStdString(RsAccounts::AccountDirectory()) + "/stickers");		//under account, unique for user
+	stickerFolders << (QString::fromStdString(RsAccounts::ConfigDirectory()) + "/stickers");		//under .retroshare, shared between users
+	stickerFolders << (QString::fromStdString(RsAccounts::systemDataDirectory()) + "/stickers");	//exe's folder, shipped with RS
+
+	QDir dir(QString::fromStdString(RsAccounts::AccountDirectory()));
+	dir.mkpath("stickers/imported");
+}
+
+void AvatarDialog::loadAvatarWidget()
+{
+	QVector<QString> stickerTabs;
+	refreshStickerTabs(stickerTabs);
+
+	if(stickerTabs.count() == 0) {
+		ui->nostickersLabel->setText("");
+		QString message = "No stickers installed.\nYou can install them by putting images into one of these folders:\n" + stickerFolders.join('\n');
+		ui->nostickersLabel->setText(message);
+	} else {
+		ui->infoframe->hide();
+	}
+
+	bool bOnlyOneGroup = (stickerTabs.count() == 1);
+
+	QTabWidget *avatarTab = nullptr;
+	if (! bOnlyOneGroup)
+	{
+		avatarTab =  new QTabWidget(ui->avatarWidget);
+		QGridLayout *avatarGLayout = new QGridLayout(ui->avatarWidget);
+		avatarGLayout->setContentsMargins(0,0,0,0);
+		avatarGLayout->addWidget(avatarTab);
+	}
+
+	const int buttonWidth = QFontMetricsF(ui->avatarWidget->font()).height()*5;
+	const int buttonHeight = QFontMetricsF(ui->avatarWidget->font()).height()*5;
+	int maxRowCount = 0;
+	int maxCountPerLine = 0;
+
+	QVectorIterator<QString> grp(stickerTabs);
+	while(grp.hasNext())
+	{
+		QDir groupDir = QDir(grp.next());
+		QString groupName = groupDir.dirName();
+		groupDir.setNameFilters(filters);
+
+		QWidget *tabGrpWidget = nullptr;
+		if (! bOnlyOneGroup)
+		{
+			//Lazy load tooltips for the current tab
+			QObject::connect(avatarTab, &QTabWidget::currentChanged, [=](int index){
+				QWidget* current = avatarTab->widget(index);
+				loadToolTips(current);
+			});
+
+			tabGrpWidget = new QWidget(avatarTab);
+
+			// (Cyril) Never use an absolute size. It needs to be scaled to the actual font size on the screen.
+			//
+			QFontMetricsF fm(font()) ;
+			avatarTab->setIconSize(QSize(28*fm.height()/14.0,28*fm.height()/14.0));
+			avatarTab->setMinimumWidth(200);
+			//avatarTab->setTabPosition(QTabWidget::West);
+			avatarTab->setStyleSheet("QTabBar::tab { height: 44px; width: 44px; }");
+
+			int index;
+			if (groupDir.exists(ICONNAME)) //use groupicon.png if exists, else the first png as a group icon
+                index = avatarTab->addTab( tabGrpWidget, FilesDefs::getIconFromQtResourcePath(groupDir.absoluteFilePath(ICONNAME)), "");
+			else
+                index = avatarTab->addTab( tabGrpWidget, FilesDefs::getIconFromQtResourcePath(groupDir.entryInfoList(QDir::Files)[0].canonicalFilePath()), "");
+			avatarTab->setTabToolTip(index, groupName);
+		} else {
+			tabGrpWidget = ui->avatarWidget;
+		}
+
+		QGridLayout *tabGLayout = new QGridLayout(tabGrpWidget);
+		tabGLayout->setContentsMargins(0,0,0,0);
+		tabGLayout->setSpacing(0);
+
+		QFileInfoList group = groupDir.entryInfoList(QDir::Files, QDir::Name);
+		int rowCount = (int)sqrt((double)group.size());
+		int countPerLine = (group.size()/rowCount) + ((group.size() % rowCount) ? 1 : 0);
+		maxRowCount = qMax(maxRowCount, rowCount);
+		maxCountPerLine = qMax(maxCountPerLine, countPerLine);
+
+		int lin = 0;
+		int col = 0;
+		for(int i = 0; i < group.length(); ++i)
+		{
+			QFileInfo fi = group[i];
+			if(fi.fileName().compare(ICONNAME, Qt::CaseInsensitive) == 0)
+				continue;
+			QPushButton *button = new QPushButton("", tabGrpWidget);
+			button->setIconSize(QSize(buttonWidth, buttonHeight));
+			button->setFixedSize(QSize(buttonWidth, buttonHeight));
+			if(!iconcache.contains(fi.absoluteFilePath()))
+			{
+                iconcache.insert(fi.absoluteFilePath(), FilesDefs::getPixmapFromQtResourcePath(fi.absoluteFilePath()).scaled(buttonWidth, buttonHeight, Qt::KeepAspectRatio));
+			}
+			button->setIcon(iconcache[fi.absoluteFilePath()]);
+			button->setToolTip(fi.fileName());
+			button->setStatusTip(fi.absoluteFilePath());
+			button->setStyleSheet("QPushButton:hover {border: 3px solid #0099cc; border-radius: 3px;}");
+			button->setFlat(true);
+			tabGLayout->addWidget(button,col,lin);
+			++lin;
+			if(lin >= countPerLine)
+			{
+				lin = 0;
+				++col;
+			}
+			QObject::connect(button, SIGNAL(clicked()), this, SLOT(addAvatar()));
+		}
+
+	}
+
+	//Load tooltips for the first page
+	QWidget * firstpage;
+	if(bOnlyOneGroup) {
+		firstpage = ui->avatarWidget;
+	} else {
+		firstpage = avatarTab->currentWidget();
+	}
+	loadToolTips(firstpage);
+	
+	//Get widget's size
+	QSize sizeWidget = ui->avatarWidget->sizeHint();
+
+}
+
+QString AvatarDialog::importedStickerPath()
+{
+	QDir dir(stickerFolders[0]);
+	return dir.absoluteFilePath("imported");
+}
+
+void AvatarDialog::loadToolTips(QWidget *container)
+{
+	QApplication::setOverrideCursor(Qt::WaitCursor);
+	QList<QPushButton *> children = container->findChildren<QPushButton *>();
+	for(int i = 0; i < children.length(); ++i) {
+		if(!children[i]->toolTip().contains('<')) {
+			if(tooltipcache.contains(children[i]->statusTip())) {
+				children[i]->setToolTip(tooltipcache[children[i]->statusTip()]);
+			} else {
+				QString tooltip;
+				if(RsHtml::makeEmbeddedImage(children[i]->statusTip(), tooltip, 300*300)) {
+					tooltipcache.insert(children[i]->statusTip(), tooltip);
+					children[i]->setToolTip(tooltip);
+				}
+
+			}
+
+		}
+	}
+	QApplication::restoreOverrideCursor();
+}
+
+void AvatarDialog::refreshStickerTabs(QVector<QString>& stickerTabs)
+{
+	for(int i = 0; i < stickerFolders.count(); ++i)
+		refreshStickerTabs(stickerTabs, stickerFolders[i]);
+}
+
+void AvatarDialog::refreshStickerTabs(QVector<QString>& stickerTabs, QString foldername)
+{
+	QDir dir(foldername);
+	if(!dir.exists()) return;
+
+	//If it contains at a least one png then add it as a group
+	QStringList files = dir.entryList(filters, QDir::Files);
+	if(files.count() > 0)
+		stickerTabs.append(foldername);
+
+	//Check subfolders
+	QFileInfoList subfolders = dir.entryInfoList(QDir::AllDirs | QDir::NoDotAndDotDot);
+	for(int i = 0; i<subfolders.length(); i++)
+		refreshStickerTabs(stickerTabs, subfolders[i].filePath());
+}
+
+void AvatarDialog::addAvatar()
+{
+	QString sticker = qobject_cast<QPushButton*>(sender())->statusTip();
+	QPixmap pixmap(sticker);
+
+	ui->avatarLabel->setPixmap(pixmap);
+	updateInterface();
+}
diff --git a/retroshare-gui/src/gui/common/AvatarDialog.h b/retroshare-gui/src/gui/common/AvatarDialog.h
index 407e95604..df168b72c 100644
--- a/retroshare-gui/src/gui/common/AvatarDialog.h
+++ b/retroshare-gui/src/gui/common/AvatarDialog.h
@@ -46,9 +46,19 @@ public:
 	void getAvatar(QPixmap &avatar);
 	void getAvatar(QByteArray &avatar);
 
+	static QString importedStickerPath();
+
 private slots:
 	void changeAvatar();
 	void removeAvatar();
+	void addAvatar();
+
+	void loadFolders();
+	void loadAvatarWidget();
+
+	void loadToolTips(QWidget *container);
+	void refreshStickerTabs(QVector<QString>& stickerTabs, QString foldername);
+	void refreshStickerTabs(QVector<QString>& stickerTabs);
 
 private:
 	void updateInterface();
diff --git a/retroshare-gui/src/gui/common/AvatarDialog.ui b/retroshare-gui/src/gui/common/AvatarDialog.ui
index bdf59252a..dcce126e3 100644
--- a/retroshare-gui/src/gui/common/AvatarDialog.ui
+++ b/retroshare-gui/src/gui/common/AvatarDialog.ui
@@ -6,21 +6,27 @@
    <rect>
     <x>0</x>
     <y>0</y>
-    <width>374</width>
-    <height>252</height>
+    <width>589</width>
+    <height>468</height>
    </rect>
   </property>
   <property name="windowTitle">
    <string>Change Avatar</string>
   </property>
-  <layout class="QVBoxLayout" name="verticalLayout_3">
-   <property name="spacing">
+  <layout class="QGridLayout" name="gridLayout_2">
+   <property name="leftMargin">
     <number>0</number>
    </property>
-   <property name="margin">
+   <property name="topMargin">
     <number>0</number>
    </property>
-   <item>
+   <property name="rightMargin">
+    <number>0</number>
+   </property>
+   <property name="bottomMargin">
+    <number>0</number>
+   </property>
+   <item row="0" column="0">
     <widget class="HeaderFrame" name="headerFrame">
      <property name="frameShape">
       <enum>QFrame::StyledPanel</enum>
@@ -30,7 +36,7 @@
      </property>
     </widget>
    </item>
-   <item>
+   <item row="1" column="0">
     <widget class="QFrame" name="frame">
      <property name="frameShape">
       <enum>QFrame::StyledPanel</enum>
@@ -39,10 +45,16 @@
       <enum>QFrame::Raised</enum>
      </property>
      <layout class="QGridLayout" name="gridLayout">
-      <item row="0" column="1">
-       <layout class="QHBoxLayout" name="horizontalLayout">
+      <property name="topMargin">
+       <number>3</number>
+      </property>
+      <property name="bottomMargin">
+       <number>0</number>
+      </property>
+      <item row="0" column="1" rowspan="2">
+       <layout class="QVBoxLayout" name="verticalLayout">
         <item>
-         <widget class="QLabel" name="avatarLabel">
+         <widget class="ZoomableLabel" name="avatarLabel">
           <property name="minimumSize">
            <size>
             <width>128</width>
@@ -70,73 +82,84 @@
          </widget>
         </item>
         <item>
-         <layout class="QVBoxLayout" name="verticalLayout">
-          <item>
-           <widget class="QPushButton" name="avatarButton">
-            <property name="text">
-             <string>Add Avatar</string>
-            </property>
-           </widget>
-          </item>
-          <item>
-           <widget class="QPushButton" name="removeButton">
-            <property name="enabled">
-             <bool>false</bool>
-            </property>
-            <property name="text">
-             <string>Remove</string>
-            </property>
-           </widget>
-          </item>
-          <item>
-           <spacer name="verticalSpacer_2">
-            <property name="orientation">
-             <enum>Qt::Vertical</enum>
-            </property>
-            <property name="sizeHint" stdset="0">
-             <size>
-              <width>20</width>
-              <height>40</height>
-             </size>
-            </property>
-           </spacer>
-          </item>
-         </layout>
+         <widget class="QPushButton" name="avatarButton">
+          <property name="text">
+           <string>Browse...</string>
+          </property>
+         </widget>
+        </item>
+        <item>
+         <widget class="QPushButton" name="removeButton">
+          <property name="enabled">
+           <bool>false</bool>
+          </property>
+          <property name="text">
+           <string>Remove</string>
+          </property>
+         </widget>
+        </item>
+        <item>
+         <spacer name="verticalSpacer_2">
+          <property name="orientation">
+           <enum>Qt::Vertical</enum>
+          </property>
+          <property name="sizeHint" stdset="0">
+           <size>
+            <width>20</width>
+            <height>40</height>
+           </size>
+          </property>
+         </spacer>
         </item>
        </layout>
       </item>
-      <item row="0" column="2">
-       <spacer name="horizontalSpacer_3">
-        <property name="orientation">
-         <enum>Qt::Horizontal</enum>
+      <item row="0" column="0">
+       <widget class="QFrame" name="infoframe">
+        <property name="frameShape">
+         <enum>QFrame::StyledPanel</enum>
         </property>
-        <property name="sizeHint" stdset="0">
-         <size>
-          <width>61</width>
-          <height>98</height>
-         </size>
+        <property name="frameShadow">
+         <enum>QFrame::Raised</enum>
         </property>
-       </spacer>
+        <layout class="QGridLayout" name="gridLayout_3">
+         <item row="0" column="0">
+          <widget class="QLabel" name="nostickersLabel">
+           <property name="text">
+            <string>TextLabel</string>
+           </property>
+           <property name="alignment">
+            <set>Qt::AlignCenter</set>
+           </property>
+          </widget>
+         </item>
+        </layout>
+       </widget>
       </item>
-      <item row="1" column="0" colspan="3">
-       <spacer name="verticalSpacer">
-        <property name="orientation">
-         <enum>Qt::Vertical</enum>
+      <item row="1" column="0">
+       <widget class="QWidget" name="avatarWidget" native="true">
+        <property name="sizePolicy">
+         <sizepolicy hsizetype="Expanding" vsizetype="Expanding">
+          <horstretch>0</horstretch>
+          <verstretch>0</verstretch>
+         </sizepolicy>
         </property>
-        <property name="sizeHint" stdset="0">
-         <size>
-          <width>218</width>
-          <height>88</height>
-         </size>
-        </property>
-       </spacer>
+       </widget>
       </item>
      </layout>
     </widget>
    </item>
-   <item>
+   <item row="2" column="0">
     <layout class="QHBoxLayout" name="horizontalLayout_2">
-     <property name="margin">
+     <property name="leftMargin">
+      <number>9</number>
+     </property>
+     <property name="topMargin">
+      <number>9</number>
+     </property>
+     <property name="rightMargin">
+      <number>9</number>
+     </property>
+     <property name="bottomMargin">
       <number>9</number>
      </property>
      <item>
@@ -175,6 +198,11 @@
    <header>gui/common/HeaderFrame.h</header>
    <container>1</container>
   </customwidget>
+  <customwidget>
+   <class>ZoomableLabel</class>
+   <extends>QLabel</extends>
+   <header>gui/gxschannels/GxsChannelPostThumbnail.h</header>
+  </customwidget>
  </customwidgets>
  <resources>
   <include location="../images.qrc"/>