Change design, fix crash when closing application

11 files changed, 270 insertions, 58 deletions

diff --git a/src/Cache.cpp b/src/Cache.cpp
index bfa3df4..d402d36 100644
--- a/src/Cache.cpp
+++ b/src/Cache.cpp
@@ -95,11 +95,12 @@ namespace dchat
         return { (sf::Texture*)nullptr, ImageByUrlResult::Type::FAILED_DOWNLOAD };
     }
     
-    Cache::Cache()
+    Cache::Cache() : 
+        alive(true)
     {
         downloadWaitThread = thread([this]
         {
-            while(true)
+            while(alive)
             {
                 for(vector<ImageDownloadInfo>::iterator it = imageDownloadProcesses.begin(); it != imageDownloadProcesses.end();)
                 {
@@ -133,7 +134,7 @@ namespace dchat
                         ++it;
                 }
                 
-                while(imageDownloadProcesses.empty() && imageDownloadProcessesQueue.empty())
+                while(alive && imageDownloadProcesses.empty() && imageDownloadProcessesQueue.empty())
                     this_thread::sleep_for(chrono::milliseconds(20));
                 
                 if(!imageDownloadProcessesQueue.empty())
@@ -150,7 +151,12 @@ namespace dchat
                 this_thread::sleep_for(chrono::milliseconds(20));
             }
         });
-        downloadWaitThread.detach();
+    }
+    
+    Cache::~Cache()
+    {
+        alive = false;
+        downloadWaitThread.join();
     }
     
     const ImageByUrlResult Cache::getImageByUrl(const string &url, int downloadLimitBytes)
diff --git a/src/Channel.cpp b/src/Channel.cpp
index ef252f6..4fa99a0 100644
--- a/src/Channel.cpp
+++ b/src/Channel.cpp
@@ -1,6 +1,4 @@
 #include "../include/Channel.hpp"
-#include "../include/UsersSidePanel.hpp"
-#include "../include/ChannelSidePanel.hpp"
 #include <odhtdb/User.hpp>
 #include <odhtdb/Database.hpp>
 #include <cstring>
@@ -9,6 +7,8 @@ using namespace std;
 
 namespace dchat
 {
+    static Channel *currentChannel;
+    
     Channel::Channel(const string &_name, const odhtdb::DatabaseNode &_databaseNodeInfo, User *_localUser, odhtdb::Database *_database) : 
         database(_database),
         databaseNodeInfo(_databaseNodeInfo),
@@ -131,9 +131,17 @@ namespace dchat
     
     void Channel::draw(sf::RenderWindow &window, Cache &cache)
     {
-        ChannelSidePanel::draw(window);
         messageBoard.draw(window, cache);
         chatbar.draw(window);
-        UsersSidePanel::draw(window);
+    }
+    
+    void Channel::setCurrent(Channel *channel)
+    {
+        currentChannel = channel;
+    }
+    
+    Channel* Channel::getCurrent()
+    {
+        return currentChannel;
     }
 }
diff --git a/src/ChannelSidePanel.cpp b/src/ChannelSidePanel.cpp
index f5a4063..18b581c 100644
--- a/src/ChannelSidePanel.cpp
+++ b/src/ChannelSidePanel.cpp
@@ -1,4 +1,5 @@
 #include "../include/ChannelSidePanel.hpp"
+#include "../include/ChannelTopPanel.hpp"
 #include "../include/ResourceCache.hpp"
 #include "../include/Settings.hpp"
 #include "../include/Channel.hpp"
@@ -12,8 +13,10 @@ using namespace std;
 namespace dchat
 {
     vector<Channel*> channels;
-    const float width = 200.0f;
+    const float WIDTH = 200.0f;
     const unsigned int FONT_SIZE = 20;
+    const float PADDING_BOTTOM = 10.0f;
+    const float CHANNEL_NAME_BOX_HEIGHT_RATIO = 1.5f;
     
     void ChannelSidePanel::addChannel(Channel *channel)
     {
@@ -27,27 +30,42 @@ namespace dchat
     
     void ChannelSidePanel::draw(sf::RenderWindow &window)
     {
+        float posY = ChannelTopPanel::getHeight();
         auto windowSize = window.getSize();
-        sf::RectangleShape rect(sf::Vector2f(width, windowSize.y));
-        rect.setFillColor(sf::Color(30, 30, 30));
+        sf::RectangleShape rect(sf::Vector2f(WIDTH, windowSize.y));
+        rect.setPosition(0.0f, posY);
+        rect.setFillColor(sf::Color(35, 35, 35));
         window.draw(rect);
+        //posY += 10.0f;
         
         const sf::Font *font = ResourceCache::getFont("fonts/Roboto-Regular.ttf");
-        sf::Vector2f position(10.0f, 10.0f);
+        const float fontSize = FONT_SIZE * Settings::getScaling();
+        const float fontHeight = font->getLineSpacing(fontSize);
+        const float channelBoxHeight = floor(fontHeight * CHANNEL_NAME_BOX_HEIGHT_RATIO);
+        
+        sf::Vector2f position(10.0f, posY);
         for(Channel *channel : channels)
         {
+            if(channel == Channel::getCurrent())
+            {
+                rect.setFillColor(sf::Color(50, 50, 50));
+                rect.setSize(sf::Vector2f(WIDTH, channelBoxHeight));
+                rect.setPosition(sf::Vector2f(0.0f, position.y));
+                window.draw(rect);
+            }
+            
             // TODO: Remove this shit
             sf::String str = "# ";
             str += sf::String::fromUtf8(channel->getName().begin(), channel->getName().end());
-            sf::Text text(str, *font, FONT_SIZE * Settings::getScaling());
-            text.setPosition(position);
+            sf::Text text(str, *font, fontSize);
+            text.setPosition(sf::Vector2f(position.x, floor(position.y + channelBoxHeight * 0.5f - fontHeight * 0.5f)));
             window.draw(text);
-            position.y += font->getLineSpacing(FONT_SIZE * Settings::getScaling());
+            position.y += floor(fontHeight + PADDING_BOTTOM);
         }
     }
     
     float ChannelSidePanel::getWidth()
     {
-        return width;
+        return WIDTH;
     }
 }
diff --git a/src/ChannelTopPanel.cpp b/src/ChannelTopPanel.cpp
new file mode 100644
index 0000000..534f989
--- /dev/null
+++ b/src/ChannelTopPanel.cpp
@@ -0,0 +1,97 @@
+#include "../include/ChannelTopPanel.hpp"
+#include "../include/Settings.hpp"
+#include "../include/ResourceCache.hpp"
+#include "../include/Channel.hpp"
+#include <SFML/Graphics/RectangleShape.hpp>
+#include <cmath>
+
+namespace dchat
+{
+    struct LineColor
+    {
+        sf::Color sideColor, centerColor;
+    };
+    
+    const float FONT_SIZE = 40.0f;
+    const float BOTTOM_LINE_HEIGHT = 2.0f;
+    const float PADDING_TOP = 20.0f;
+    const float PADDING_BOTTOM = PADDING_TOP;
+    const sf::Font *FONT = ResourceCache::getFont("fonts/Roboto-Regular.ttf");
+    
+    static void drawGradientLine(const sf::Vector2f &position, const sf::Vector2f &size, const LineColor &color, sf::RenderWindow &window)
+    {
+        sf::Vertex rectangle[] = 
+        {
+            sf::Vertex(position, color.sideColor),
+            sf::Vertex(sf::Vector2f(position.x + size.x * 0.5f, position.y), color.centerColor),
+            sf::Vertex(sf::Vector2f(position.x + size.x * 0.5f, position.y + size.y), color.centerColor),
+            sf::Vertex(sf::Vector2f(position.x, position.y + size.y), color.sideColor),
+            
+            sf::Vertex(sf::Vector2f(position.x + size.x * 0.5f, position.y), color.centerColor),
+            sf::Vertex(sf::Vector2f(position.x + size.x, position.y), color.sideColor),
+            sf::Vertex(sf::Vector2f(position.x + size.x, position.y + size.y), color.sideColor),
+            sf::Vertex(sf::Vector2f(position.x + size.x * 0.5f, position.y + size.y), color.centerColor)
+        };
+        window.draw(rectangle, 8, sf::Quads);
+    }
+    
+    void ChannelTopPanel::draw(sf::RenderWindow &window)
+    {
+        const sf::Color backgroundColor(40, 40, 40);
+        const sf::Color lineSideColor(40, 40, 40);
+        const sf::Color lineCenterColor(80, 40, 40);
+        
+        auto windowSize = window.getSize();
+        sf::RectangleShape rect(sf::Vector2f(windowSize.x, getHeight() - BOTTOM_LINE_HEIGHT));
+        rect.setFillColor(backgroundColor);
+        window.draw(rect);
+        
+        /*
+        rect.setFillColor(sf::Color(70, 40, 40));
+        rect.setSize(sf::Vector2f(windowSize.x, BOTTOM_LINE_HEIGHT));
+        rect.setPosition(0.0f, getHeight() - BOTTOM_LINE_HEIGHT);
+        window.draw(rect);
+        */
+        sf::Vector2f bottomLinePos(0.0f, getHeight() - BOTTOM_LINE_HEIGHT);
+        sf::Vector2f bottomLineSize(windowSize.x, BOTTOM_LINE_HEIGHT);
+        
+        LineColor lineColor
+        {
+            .sideColor = lineSideColor,
+            .centerColor = lineCenterColor
+        };
+        drawGradientLine(bottomLinePos, bottomLineSize, lineColor, window);
+        
+        Channel *currentChannel = Channel::getCurrent();
+        if(!currentChannel) return;
+        
+        sf::String str = "# ";
+        str += sf::String::fromUtf8(currentChannel->getName().begin(), currentChannel->getName().end());
+        float fontSize = FONT_SIZE * Settings::getScaling();
+        sf::Text text(str, *FONT, fontSize);
+        auto textBounds = text.getLocalBounds();
+        text.setPosition(floor((float)windowSize.x * 0.5f - textBounds.width * 0.5f), PADDING_TOP);
+        text.setFillColor(sf::Color(240, 240, 240));
+        window.draw(text);
+        /*
+        const sf::Font *font = ResourceCache::getFont("fonts/Roboto-Regular.ttf");
+        sf::Vector2f position(10.0f, 10.0f);
+        for(Channel *channel : channels)
+        {
+            // TODO: Remove this shit
+            sf::String str = "# ";
+            str += sf::String::fromUtf8(channel->getName().begin(), channel->getName().end());
+            sf::Text text(str, *font, FONT_SIZE * Settings::getScaling());
+            text.setPosition(position);
+            window.draw(text);
+            position.y += font->getLineSpacing(FONT_SIZE * Settings::getScaling());
+        }
+        */
+    }
+    
+    float ChannelTopPanel::getHeight()
+    {
+        float fontSize = FONT_SIZE * Settings::getScaling();
+        return floor(FONT->getLineSpacing(fontSize) + PADDING_TOP + PADDING_BOTTOM);
+    }
+}
diff --git a/src/Message.cpp b/src/Message.cpp
index b72eabe..2d7cb86 100644
--- a/src/Message.cpp
+++ b/src/Message.cpp
@@ -8,7 +8,7 @@ namespace dchat
 {
     Message::Message(User *_user, const std::string &_text) : 
         user(_user),
-        text(sf::String::fromUtf8(_text.begin(), _text.end()), ResourceCache::getFont("fonts/Roboto-Regular.ttf"), 20 * Settings::getScaling(), 0.0f, false)
+        text(sf::String::fromUtf8(_text.begin(), _text.end()), ResourceCache::getFont("fonts/Roboto-Regular.ttf"), 18 * Settings::getScaling(), 0.0f, false)
     {
         
     }
diff --git a/src/MessageBoard.cpp b/src/MessageBoard.cpp
index a0f1e20..58d54f2 100644
--- a/src/MessageBoard.cpp
+++ b/src/MessageBoard.cpp
@@ -4,6 +4,7 @@
 #include "../include/Gif.hpp"
 #include "../include/ChannelSidePanel.hpp"
 #include "../include/UsersSidePanel.hpp"
+#include "../include/ChannelTopPanel.hpp"
 #include <SFML/Graphics/RectangleShape.hpp>
 #include <SFML/Graphics/Sprite.hpp>
 #include <SFML/Window/Mouse.hpp>
@@ -15,11 +16,43 @@ using namespace std;
 
 namespace dchat
 {
+    struct LineColor
+    {
+        sf::Color sideColor, centerColor;
+    };
+    
     const sf::Color BACKGROUND_COLOR(40, 40, 40);
     const float USERNAME_PADDING_BOTTOM = 0.0f;
-    const float MESSAGE_PADDING_BOTTOM = 20.0f;
+    const float MESSAGE_PADDING_TOP = 25.0f;
+    const float MESSAGE_PADDING_BOTTOM = 30.0f;
     
-    const float PADDING_SIDE = 20.0f;
+    const float PADDING_SIDE = 40.0f;
+    const float PADDING_TOP = 5.0f;
+    const float LINE_SIDE_PADDING = 20.0f;
+    const float LINE_HEIGHT = 1.0f;
+    
+    const LineColor LINE_COLOR
+    {
+        .sideColor = sf::Color(50, 50, 50),
+        .centerColor = sf::Color(50, 50, 50)
+    };
+    
+    static void drawGradientLine(const sf::Vector2f &position, const sf::Vector2f &size, const LineColor &color, sf::RenderWindow &window)
+    {
+        sf::Vertex rectangle[] = 
+        {
+            sf::Vertex(position, color.sideColor),
+            sf::Vertex(sf::Vector2f(position.x + size.x * 0.5f, position.y), color.centerColor),
+            sf::Vertex(sf::Vector2f(position.x + size.x * 0.5f, position.y + size.y), color.centerColor),
+            sf::Vertex(sf::Vector2f(position.x, position.y + size.y), color.sideColor),
+            
+            sf::Vertex(sf::Vector2f(position.x + size.x * 0.5f, position.y), color.centerColor),
+            sf::Vertex(sf::Vector2f(position.x + size.x, position.y), color.sideColor),
+            sf::Vertex(sf::Vector2f(position.x + size.x, position.y + size.y), color.sideColor),
+            sf::Vertex(sf::Vector2f(position.x + size.x * 0.5f, position.y + size.y), color.centerColor)
+        };
+        window.draw(rectangle, 8, sf::Quads);
+    }
     
     MessageBoard::MessageBoard(const sf::Vector2u &size) : 
         selectingText(false),
@@ -100,6 +133,7 @@ namespace dchat
     void MessageBoard::draw(sf::RenderWindow &window, Cache &cache)
     {
         auto windowSize = window.getSize();
+        const float backgroundWidthWithoutPadding = floor(windowSize.x - ChannelSidePanel::getWidth() - UsersSidePanel::getWidth());
         sf::Vector2u backgroundSize(floor(windowSize.x - ChannelSidePanel::getWidth() - UsersSidePanel::getWidth() - PADDING_SIDE * 2.0f), floor(windowSize.y));
         
         //if(backgroundSize != staticContentTexture.getSize())
@@ -120,26 +154,30 @@ namespace dchat
         
         if(dirty)
         {
-            sf::Vector2f position;
-            position.x = ChannelSidePanel::getWidth() + PADDING_SIDE;
+            sf::Vector2f position(ChannelSidePanel::getWidth(), ChannelTopPanel::getHeight() + PADDING_TOP);
             position.y += scroll;
             for(Message *message : messages)
             {
-                sf::Text usernameText(message->user->getName(), *usernameFont, 24 * Settings::getScaling());
+                position.y += MESSAGE_PADDING_TOP;
+                sf::Text usernameText(message->user->getName(), *usernameFont, 20 * Settings::getScaling());
                 float usernameTextHeight = usernameText.getFont()->getLineSpacing(usernameText.getCharacterSize());
                 if(position.y + usernameTextHeight > 0.0f && position.y < backgroundSize.y)
                 {
                     usernameText.setFillColor(sf::Color(15, 192, 252));
-                    usernameText.setPosition(sf::Vector2f(floor(position.x), floor(position.y)));
+                    usernameText.setPosition(sf::Vector2f(floor(position.x + PADDING_SIDE), floor(position.y)));
                     window.draw(usernameText);
                 }
                 position.y += usernameTextHeight + USERNAME_PADDING_BOTTOM;
                 
                 // No need to perform culling here, that is done in @Text draw function
+                message->text.setCharacterSize(18 * Settings::getScaling());
                 message->text.setMaxWidth(backgroundSize.x);
-                message->text.setPosition(sf::Vector2f(floor(position.x), floor(position.y)));
+                message->text.setPosition(sf::Vector2f(floor(position.x + PADDING_SIDE), floor(position.y)));
                 message->text.draw(window, cache);
                 position.y += message->text.getHeight() + MESSAGE_PADDING_BOTTOM;
+                
+                if(position.y + LINE_HEIGHT > 0.0f && position.y < backgroundSize.y)
+                    drawGradientLine(sf::Vector2f(position.x + LINE_SIDE_PADDING, floor(position.y)), sf::Vector2f(backgroundWidthWithoutPadding - LINE_SIDE_PADDING * 2.0f, LINE_HEIGHT), LINE_COLOR, window);
             }
         }
         
diff --git a/src/Settings.cpp b/src/Settings.cpp
index 93f230c..79c4fda 100644
--- a/src/Settings.cpp
+++ b/src/Settings.cpp
@@ -2,6 +2,8 @@
 
 namespace dchat
 {
+    float scaling = 1.0f;
+    
     float Settings::getScaling()
     {
         // TODO: Load scaling from settings file
@@ -14,6 +16,11 @@ namespace dchat
             QT_SCREEN_SCALE_FACTORS
             QT_DEVICE_PIXEL_RATIO
          */
-        return 1.0f;
+        return scaling;
+    }
+    
+    void Settings::setScaling(float _scaling)
+    {
+        scaling = _scaling;
     }
 }
diff --git a/src/Text.cpp b/src/Text.cpp
index c8da55c..204c16f 100644
--- a/src/Text.cpp
+++ b/src/Text.cpp
@@ -193,7 +193,7 @@ namespace dchat
                 {
                     textElement.position.y = glyphPos.y;
                     // TODO: Find a better way to do this, @totalHeight is wrong because we add emojiSize and then vspace
-                    glyphPos.y += emojiSize;
+                    glyphPos.y += emojiSize - vspace;
                 }
                 else
                 {
diff --git a/src/UsersSidePanel.cpp b/src/UsersSidePanel.cpp
index 766539b..74b58cf 100644
--- a/src/UsersSidePanel.cpp
+++ b/src/UsersSidePanel.cpp
@@ -1,4 +1,5 @@
 #include "../include/UsersSidePanel.hpp"
+#include "../include/ChannelTopPanel.hpp"
 #include "../include/ResourceCache.hpp"
 #include "../include/Settings.hpp"
 #include "../include/Channel.hpp"
@@ -11,32 +12,24 @@ using namespace std;
 
 namespace dchat
 {
-    Channel *currentChannel = nullptr;
-    const float width = 200.0f;
+    const float WIDTH = 200.0f;
     const unsigned int FONT_SIZE = 20;
     
-    void UsersSidePanel::setCurrentChannel(Channel *channel)
-    {
-        currentChannel = channel;
-    }
-    
-    Channel* UsersSidePanel::getCurrentChannel()
-    {
-        return currentChannel;
-    }
-    
     void UsersSidePanel::draw(sf::RenderWindow &window)
     {
+        float posY = ChannelTopPanel::getHeight();
         auto windowSize = window.getSize();
-        sf::RectangleShape rect(sf::Vector2f(width, windowSize.y));
-        rect.setFillColor(sf::Color(30, 30, 30));
-        rect.setPosition(windowSize.x - width, 0.0f);
+        sf::RectangleShape rect(sf::Vector2f(WIDTH, windowSize.y));
+        rect.setFillColor(sf::Color(35, 35, 35));
+        rect.setPosition(windowSize.x - WIDTH, posY);
         window.draw(rect);
+        posY += 10.0f;
         
+        Channel *currentChannel = Channel::getCurrent();
         if(!currentChannel) return;
         
         const sf::Font *font = ResourceCache::getFont("fonts/Roboto-Regular.ttf");
-        sf::Vector2f position(rect.getPosition().x + 10.0f, 10.0f);
+        sf::Vector2f position(rect.getPosition().x + 10.0f, posY);
         for(User *user : currentChannel->getUsers())
         {
             // TODO: Remove this shit
@@ -44,12 +37,12 @@ namespace dchat
             sf::Text text(str, *font, FONT_SIZE * Settings::getScaling());
             text.setPosition(position);
             window.draw(text);
-            position.y += font->getLineSpacing(FONT_SIZE * Settings::getScaling());
+            position.y += floor(font->getLineSpacing(FONT_SIZE * Settings::getScaling()));
         }
     }
     
     float UsersSidePanel::getWidth()
     {
-        return width;
+        return WIDTH;
     }
 }
diff --git a/src/Video.cpp b/src/Video.cpp
index 7b6dcee..4ef3128 100644
--- a/src/Video.cpp
+++ b/src/Video.cpp
@@ -52,7 +52,8 @@ namespace dchat
         context(sf::ContextSettings(), width, height),
         mpv(nullptr),
         mpvGl(nullptr),
-        textureBuffer(new sf::Uint8[width * height * 4]) // 4 = red, green, blue and alpha
+        textureBuffer(new sf::Uint8[width * height * 4]), // 4 = red, green, blue and alpha
+        alive(true)
     {
         context.setActive(true);
         
@@ -84,7 +85,7 @@ namespace dchat
         renderThread = thread([this, width, height]()
         {
             context.setActive(true);
-            while(true)
+            while(alive)
             {
                 while(true)
                 {
@@ -92,7 +93,7 @@ namespace dchat
                     if(mpvEvent->event_id == MPV_EVENT_NONE)
                         break;
                     else if(mpvEvent->event_id == MPV_EVENT_SHUTDOWN)
-                        break;
+                        return;
                 }
                 
                 if(redrawCounter > 0)
@@ -111,7 +112,6 @@ namespace dchat
                 this_thread::sleep_for(chrono::milliseconds(10));
             }
         });
-        renderThread.detach();
         
         const char *cmd[] = { "loadfile", file, nullptr };
         mpv_command(mpv, cmd);
@@ -120,6 +120,9 @@ namespace dchat
     
     Video::~Video()
     {
+        alive = false;
+        renderThread.join();
+        
         lock_guard<mutex> lock(renderMutex);
         context.setActive(true);
         if(mpvGl)
@@ -128,8 +131,6 @@ namespace dchat
         delete[] textureBuffer;
         mpv_opengl_cb_uninit_gl(mpvGl);
         mpv_detach_destroy(mpv);
-        if(renderThread.joinable())
-            renderThread.join();
     }
     
     void Video::setPosition(float x, float y)
diff --git a/src/main.cpp b/src/main.cpp
index 61319fa..580b362 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -1,10 +1,12 @@
 #include "../include/Channel.hpp"
 #include "../include/ChannelSidePanel.hpp"
 #include "../include/UsersSidePanel.hpp"
+#include "../include/ChannelTopPanel.hpp"
 #include "../include/Cache.hpp"
 #include "../include/ResourceCache.hpp"
 #include "../include/Video.hpp"
 #include "../include/Command.hpp"
+#include "../include/Settings.hpp"
 #include <string>
 #include <SFML/Graphics.hpp>
 #include <cstring>
@@ -97,7 +99,7 @@ int main(int argc, char **argv)
     
     Channel offlineChannel("Offline");
     ChannelSidePanel::addChannel(&offlineChannel);
-    UsersSidePanel::setCurrentChannel(&offlineChannel);
+    Channel::setCurrent(&offlineChannel);
     
     vector<Channel*> channels;
     
@@ -150,7 +152,7 @@ int main(int argc, char **argv)
                 
                 ChannelSidePanel::addChannel(channel);
                 channels.push_back(channel);
-                UsersSidePanel::setCurrentChannel(channel);
+                Channel::setCurrent(channel);
                 channelAddStoredMessages(channel, nodeStorage);
             }
             
@@ -224,10 +226,10 @@ int main(int argc, char **argv)
         Channel *channel = new Channel(args[0], databaseNode, newLocalUser, &database);
         ChannelSidePanel::addChannel(channel);
         channels.push_back(channel);
-        UsersSidePanel::setCurrentChannel(channel);
+        Channel::setCurrent(channel);
     });
     
-    Command::add("jc", [&currentUserKeyPair, &database](const vector<string> &args)
+    Command::add("jc", [&currentUserKeyPair, &database, &localNodeUsers](const vector<string> &args)
     {
         if(args.size() != 1)
         {
@@ -248,8 +250,47 @@ int main(int argc, char **argv)
         }
         
         odhtdb::DatabaseNode databaseNode = createDatabaseNodeFromJoinKey(args[0]);
-        database.seed(databaseNode);
-        // TODO: Continue this...
+        for(auto localNodeUser : localNodeUsers)
+        {
+            if(*databaseNode.getRequestHash() == localNodeUser.nodeHash)
+            {
+                fprintf(stderr, "You have already joined the channel %s\n", databaseNode.getRequestHash()->toString().c_str());
+                return;
+            }
+        }
+#if 0
+        User *newLocalUser = new OnlineUser(localNodeUser.localUser);
+        odhtdb::DatabaseNode databaseNode(nodeDecryptionKeyResult.second, make_shared<odhtdb::Hash>(localNodeUser.nodeHash));
+        Channel *channel = new Channel(nodeStorage->nodeName, databaseNode, newLocalUser, &database);
+        
+        auto nodeUserMapByPublicKey = database.getStorage().getNodeUsers(localNodeUser.nodeHash);
+        for(auto nodeUserIt : *nodeUserMapByPublicKey)
+        {
+            if(nodeUserIt.second != localNodeUser.localUser)
+            {
+                User *newRemoteUser = new OnlineUser(nodeUserIt.second);
+                channel->addUser(newRemoteUser);
+            }
+        }
+        
+        ChannelSidePanel::addChannel(channel);
+        channels.push_back(channel);
+        Channel::setCurrent(channel);
+        channelAddStoredMessages(channel, nodeStorage);
+#endif
+    });
+    
+    Command::add("scaling", [](const vector<string> &args)
+    {
+        if(args.size() != 1)
+        {
+            fprintf(stderr, "Expected 1 argument for command scaling, got %u argument(s)\n", args.size());
+            return;
+        }
+        
+        float scaling = stof(args[0]);
+        Settings::setScaling(scaling);
+        printf("UI scaling set to %f\n", scaling);
     });
     
     sf::Event event;
@@ -272,11 +313,14 @@ int main(int argc, char **argv)
                 sf::View view(viewRect);
                 window.setView(view);
             }
-            UsersSidePanel::getCurrentChannel()->processEvent(event);
+            Channel::getCurrent()->processEvent(event);
         }
 
         window.clear(sf::Color(40, 40, 40));
-        UsersSidePanel::getCurrentChannel()->draw(window, cache);
+        ChannelSidePanel::draw(window);
+        Channel::getCurrent()->draw(window, cache);
+        UsersSidePanel::draw(window);
+        ChannelTopPanel::draw(window);
         //video.draw(window);
         window.display();
     }