revert(chatlog): "remove part messages from chat"

This reverts commit 4c7ecb6024.

src/chatlog/chatlog.cpp

@@ -679,30 +679,6 @@ void ChatLog::reloadTheme()
     }
 }
 
-void ChatLog::removeFirsts(const int num)
-{
-    if (lines.size() > num) {
-        lines.erase(lines.begin(), lines.begin()+num);
-    } else {
-        lines.clear();
-    }
-
-    for (int i = 0; i < lines.size(); ++i) {
-        lines[i]->setRow(i);
-    }
-
-    moveSelectionRectUpIfSelected(num);
-}
-
-void ChatLog::removeLasts(const int num)
-{
-    if (lines.size() > num) {
-        lines.erase(lines.end()-num, lines.end());
-    } else {
-        lines.clear();
-    }
-}
-
 void ChatLog::forceRelayout()
 {
     startResizeWorker();

src/chatlog/chatlog.h

@@ -55,8 +55,6 @@ public:
     void scrollToLine(ChatLine::Ptr line);
     void selectAll();
     void fontChanged(const QFont& font);
-    void removeFirsts(const int num);
-    void removeLasts(const int num);
 
     QString getSelectedText() const;
 

src/widget/form/genericchatform.cpp

@@ -701,13 +701,7 @@ void GenericChatForm::loadHistoryTo(const QDateTime &time)
 {
     auto end = chatLog.getFirstIdx();
     if (time.isNull()) {
-        if (messages.size() + 100 >= maxMessages) {
-            end = ChatLogIdx(messages.rbegin()->first.get() - 100);
-            chatWidget->removeLasts(100);
-            removeLastsMessages(100);
-        } else {
-            end = messages.begin()->first;
-        }
+        end = messages.begin()->first;
     } else {
         end = firstItemAfterDate(time.date(), chatLog);
     }
@@ -724,14 +718,7 @@ void GenericChatForm::loadHistoryFrom(const QDateTime &time)
 {
     auto begin = chatLog.getFirstIdx();
     if (time.isNull()) {
-        if (messages.size() + 100 >= maxMessages) {
-            begin = ChatLogIdx(messages.rbegin()->first.get() + 100);
-            chatWidget->removeFirsts(100);
-            removeFirstsMessages(100);
-        } else {
-            begin = messages.rbegin()->first;
-        }
-
+        begin = messages.rbegin()->first;
     } else {
         begin = firstItemAfterDate(time.date(), chatLog);
     }
@@ -744,24 +731,6 @@ void GenericChatForm::loadHistoryFrom(const QDateTime &time)
     renderMessages(begin, end);
 }
 
-void GenericChatForm::removeFirstsMessages(const int num)
-{
-    if (static_cast<int>(messages.size()) > num) {
-        messages.erase(messages.begin(), std::next(messages.begin(), num));
-    } else {
-        messages.clear();
-    }
-}
-
-void GenericChatForm::removeLastsMessages(const int num)
-{
-    if (static_cast<int>(messages.size()) > num) {
-        messages.erase(std::next(messages.end(), -100), messages.end());
-    } else {
-        messages.clear();
-    }
-}
-
 
 void GenericChatForm::disableSearchText()
 {
@@ -1073,10 +1042,6 @@ void GenericChatForm::renderItem(const ChatLogItem& item, bool hideName, bool co
 
 void GenericChatForm::renderMessage(ChatLogIdx idx)
 {
-    if (chatWidget->getLines().size() >= maxMessages) {
-        chatWidget->removeFirsts(optimalRemove);
-        removeFirstsMessages(optimalRemove);
-    }
     renderMessages(idx, idx + 1);
 }
 

src/widget/form/genericchatform.h

@@ -131,8 +131,6 @@ private:
     void loadHistory(const QDateTime& time, const LoadHistoryDialog::LoadType type);
     void loadHistoryTo(const QDateTime& time);
     void loadHistoryFrom(const QDateTime& time);
-    void removeFirstsMessages(const int num);
-    void removeLastsMessages(const int num);
 
     void renderItem(const ChatLogItem &item, bool hideName, bool colorizeNames, ChatMessage::Ptr &chatMessage);
     void renderFile(QString displayName, ToxFile file, bool isSelf, QDateTime timestamp, ChatMessage::Ptr &chatMessage);
@@ -192,8 +190,4 @@ protected:
     SearchPos searchPos;
     std::map<ChatLogIdx, ChatMessage::Ptr> messages;
     bool colorizeNames = false;
-
-private:
-    const int maxMessages{300};
-    const int optimalRemove{50};
 };