Add video and gif support

Gif streams from url.
Todo: Add play controls to video

1 files changed, 72 insertions, 4 deletions

diff --git a/src/Chatbar.cpp b/src/Chatbar.cpp
index 14edba7..bdfc75d 100644
--- a/src/Chatbar.cpp
+++ b/src/Chatbar.cpp
@@ -1,7 +1,9 @@
 #include "../include/Chatbar.hpp"
 #include "../include/ResourceCache.hpp"
 #include "../include/Settings.hpp"
+#include "../include/Channel.hpp"
 #include <cmath>
+#include <cstring>
 
 using namespace std;
 
@@ -10,10 +12,13 @@ namespace dchat
     const float FONT_SIZE = 24;
     const float BOX_PADDING_X = 15.0f;
     const float BOX_PADDING_Y = 5.0f;
+    const int BLINK_TIME_VISIBLE_MS = 500;
+    const int BLINK_TIME_INVISIBLE_MS = 500;
     
     Chatbar::Chatbar() : 
         text("", ResourceCache::getFont("fonts/Roboto-Regular.ttf"), FONT_SIZE * Settings::getScaling()),
-        caretIndex(0)
+        caretIndex(0),
+        focused(true)
     {
         text.setFillColor(sf::Color(240, 240, 240));
         background.setFillColor(sf::Color(60, 60, 60));
@@ -26,6 +31,7 @@ namespace dchat
         text.setString(str);
         ++caretIndex;
         caretOffset = text.findCharacterPos(caretIndex) - text.getPosition();
+        blinkTimer.restart();
     }
     
     const sf::String& Chatbar::getString() const
@@ -43,6 +49,7 @@ namespace dchat
             --caretIndex;
             caretOffset = text.findCharacterPos(caretIndex) - text.getPosition();
         }
+        blinkTimer.restart();
     }
     
     void Chatbar::removeNextChar()
@@ -53,6 +60,7 @@ namespace dchat
             str.erase(caretIndex);
             text.setString(str);
         }
+        blinkTimer.restart();
     }
     
     void Chatbar::clear()
@@ -61,6 +69,7 @@ namespace dchat
         caretIndex = 0;
         caretOffset.x = 0.0f;
         caretOffset.y = 0.0f;
+        blinkTimer.restart();
     }
     
     void Chatbar::moveCaretLeft()
@@ -68,12 +77,64 @@ namespace dchat
         caretIndex = max(0, caretIndex - 1);
         // TODO: Use glyph size to optimize this, no need to iterate all glyphs
         caretOffset = text.findCharacterPos(caretIndex) - text.getPosition();
+        blinkTimer.restart();
     }
     
     void Chatbar::moveCaretRight()
     {
         caretIndex = min((int)text.getString().getSize(), caretIndex + 1);
         caretOffset = text.findCharacterPos(caretIndex) - text.getPosition();
+        blinkTimer.restart();
+    }
+    
+    bool Chatbar::isFocused() const
+    {
+        return focused;
+    }
+    
+    void Chatbar::processEvent(const sf::Event &event, Channel *channel)
+    {
+        if(!focused) return;
+        
+        if(event.type == sf::Event::TextEntered)
+        {
+            if(event.text.unicode == 8) // backspace
+                removePreviousChar();
+            else if(event.text.unicode == 13) // enter
+            {
+                if(!getString().isEmpty())
+                {
+                    if(sf::Keyboard::isKeyPressed(sf::Keyboard::Key::LShift) || sf::Keyboard::isKeyPressed(sf::Keyboard::Key::RShift))
+                    {
+                        addChar('\n');
+                    }
+                    else
+                    {
+                        auto chatbarMsgUtf8 = getString().toUtf8();
+                        string msg;
+                        msg.resize(chatbarMsgUtf8.size());
+                        memcpy(&msg[0], chatbarMsgUtf8.data(), chatbarMsgUtf8.size());
+                        channel->getMessageBoard().addMessage(Message::buildFromString(channel->getLocalUser(), msg));
+                        clear();
+                    }
+                }
+            }
+            else if(event.text.unicode == 127) // delete
+            {
+                removeNextChar();
+            }
+            else
+            {
+                addChar(event.text.unicode);
+            }
+        }
+        else if(event.type == sf::Event::KeyPressed)
+        {
+            if(event.key.code == sf::Keyboard::Left)
+                moveCaretLeft();
+            else if(event.key.code == sf::Keyboard::Right)
+                moveCaretRight();
+        }
     }
     
     void Chatbar::draw(sf::RenderWindow &window)
@@ -89,8 +150,15 @@ namespace dchat
         window.draw(background);
         window.draw(text);
         
-        sf::RectangleShape caretShape(sf::Vector2f(2.0f, backgroundSize.y - BOX_PADDING_Y * 2.0f));
-        caretShape.setPosition(floor(text.getPosition().x + caretOffset.x), backgroundPos.y + BOX_PADDING_Y);
-        window.draw(caretShape);
+        int blinkElapsedTime = blinkTimer.getElapsedTime().asMilliseconds();
+        if(focused && blinkElapsedTime <= BLINK_TIME_VISIBLE_MS)
+        {
+            sf::RectangleShape caretShape(sf::Vector2f(2.0f, backgroundSize.y - BOX_PADDING_Y * 2.0f));
+            caretShape.setPosition(floor(text.getPosition().x + caretOffset.x), (caretOffset.y + backgroundPos.y + BOX_PADDING_Y));
+            window.draw(caretShape);
+        }
+        
+        if(blinkElapsedTime > BLINK_TIME_VISIBLE_MS + BLINK_TIME_INVISIBLE_MS)
+            blinkTimer.restart();
     }
 }