Use rich text for messages

2 files changed, 69 insertions, 10 deletions

diff --git a/src/ChatMessage.cpp b/src/ChatMessage.cpp
index e1fe927..e440409 100644
--- a/src/ChatMessage.cpp
+++ b/src/ChatMessage.cpp
@@ -1,10 +1,46 @@
 #include "../include/ChatMessage.hpp"
+#include <dchat/IncomingMessage.hpp>
+#include <assert.h>
 
 namespace dchat
 {
+    static void appendRichText(Gtk::TextView *textView, Glib::RefPtr<Gtk::TextBuffer> buffer, Gtk::TextIter iter, const Glib::ustring &text)
+    {
+        parseIncomingMessage(text.data(), text.bytes(), [textView, &text, &iter, &buffer](IncomingMessagePart messagePart)
+        {
+            switch(messagePart.type)
+            {
+                case IncomingMessagePart::Type::TEXT:
+                {
+                    iter = buffer->insert(iter, text.data() + messagePart.textRange.start, text.data() + messagePart.textRange.end);
+                    break;
+                }
+                case IncomingMessagePart::Type::EMOJI:
+                {
+                    auto anchor = Gtk::TextChildAnchor::create();
+                    iter = buffer->insert_child_anchor(iter, anchor);
+                    auto image = Gtk::manage(new DynamicImage());
+                    image->url = text.substr(messagePart.textRange.start, messagePart.textRange.length());
+                    image->set_size_request(35, 35);
+                    textView->add_child_at_anchor(*image, anchor);
+                    break;
+                }
+                default:
+                    assert(false);
+                    break;
+            }
+        });
+    }
+    
+    void applyRichText(Gtk::TextView *textView, const Glib::ustring &text)
+    {
+        auto buffer = textView->get_buffer();
+        buffer->set_text("");
+        appendRichText(textView, buffer, buffer->begin(), text);
+    }
+
     ChatMessage::ChatMessage(const Glib::ustring &_username, const Glib::ustring &_text, uint32_t _timestampSeconds) : 
         username(_username),
-        text(_text),
         timestampSeconds(_timestampSeconds)
     {
         avatar.set_halign(Gtk::ALIGN_START);
@@ -15,11 +51,12 @@ namespace dchat
         username.set_alignment(Gtk::ALIGN_START, Gtk::ALIGN_START);
         username.get_style_context()->add_class("message-message-username");
 
-        text.set_selectable(true);
-        text.set_alignment(Gtk::ALIGN_START, Gtk::ALIGN_START);
-        text.set_line_wrap(true);
-        text.set_line_wrap_mode(Pango::WRAP_WORD_CHAR);
-        text.set_vexpand(true);
+        text.set_wrap_mode(Gtk::WRAP_WORD_CHAR);
+        //text.set_halign(Gtk::ALIGN_START);
+        //text.set_valign(Gtk::ALIGN_START);
+        text.set_hexpand(true);
+        text.set_editable(false);
+        applyRichText(&text, _text);
         text.get_style_context()->add_class("message-message-text");
 
         attach(avatar, 0, 0, 1, 2);
@@ -31,4 +68,18 @@ namespace dchat
         set_row_spacing(0);
         set_vexpand(false);
     }
+
+    void ChatMessage::appendText(const Glib::ustring &_text)
+    {
+        auto buffer = text.get_buffer();
+        // Optimized for single ascii characters, such as "\n"
+        if(_text.bytes() == 1)
+        {
+            buffer->insert(buffer->end(), _text);
+        }
+        else
+        {
+            appendRichText(&text, buffer, buffer->end(), _text);
+        }
+    }
 }
\ No newline at end of file
diff --git a/src/ChatWindow.cpp b/src/ChatWindow.cpp
index 9fc810b..d33c824 100644
--- a/src/ChatWindow.cpp
+++ b/src/ChatWindow.cpp
@@ -303,8 +303,11 @@ namespace dchat
             {
                 if(chatInput.get_editable())
                 {
-                    currentRoom->publishMessage(chatInput.get_buffer()->get_text());
+                    Glib::ustring str = chatInput.get_buffer()->get_text();
                     chatInput.get_buffer()->set_text("");
+                    while(gtk_events_pending())
+                        gtk_main_iteration_do(FALSE);
+                    currentRoom->publishMessage(str);
                 }
                 return true;
             }
@@ -441,14 +444,19 @@ namespace dchat
             if(msgTimeDiff <= MERGE_MESSAGE_TIMESTAMP_DIFF_SEC)
             {
                 auto message = messageById[request.prevMessage->id];
-                message->text.set_text(message->text.get_text() + "\n" + request.message->text);
+                message->appendText("\n");
+                message->appendText(request.message->text);
                 // Since messages that are sent withing a timeframe are combined, several message ids can refer to the same message
                 messageById[request.message->id] = message;
                 if(!request.loadedFromCache && *request.room->id == *currentRoom->id)
                 {
-                    currentRoomData->messageAreaLayout->queue_draw();
+                    currentRoomData->messageAreaLayout->signal_draw();
                     scrollToBottom();
                 }
+                else
+                {
+                    currentRoomData->messageAreaLayout->signal_draw();
+                }
                 return;
             }
         }
@@ -471,7 +479,7 @@ namespace dchat
         // TODO: When we get a message in the current room we scroll to the bottom, but this should only be done if we are not manually scrolling to view old messages
         if(!request.loadedFromCache && *request.room->id == *currentRoom->id)
         {
-            roomData->messageAreaLayout->queue_draw();
+            roomData->messageAreaLayout->signal_draw();
             scrollToBottom();
         }
     }