171 lines
3.5 KiB
C++
171 lines
3.5 KiB
C++
/*
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* Copyright 2021, Jaidyn Levesque <jadedctrl@teknik.io>
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* All rights reserved. Distributed under the terms of the MIT license.
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*/
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#include "SendTextView.h"
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#include <StringList.h>
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#include <Window.h>
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#include "AppMessages.h"
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#include "MainWindow.h"
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#include "Server.h"
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#include "TheApp.h"
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SendTextView::SendTextView(const char* name, ConversationView* convView)
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:
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BTextView(name),
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fConversationView(convView),
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fCurrentIndex(0),
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fHistoryIndex(0)
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{
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}
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void
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SendTextView::KeyDown(const char* bytes, int32 numBytes)
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{
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int32 modifiers = Window()->CurrentMessage()->GetInt32("modifiers", 0);
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if (bytes[0] == B_TAB) {
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_AutoComplete();
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return;
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}
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// Reset auto-complete state if user typed/sent something other than tab
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fCurrentIndex = 0;
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fCurrentWord.SetTo("");
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if ((bytes[0] == B_UP_ARROW) && (modifiers == 0)) {
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_UpHistory();
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return;
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}
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else if ((bytes[0] == B_DOWN_ARROW) && (modifiers == 0)) {
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_DownHistory();
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return;
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}
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if ((bytes[0] == B_ENTER) && (modifiers & B_COMMAND_KEY))
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Insert("\n");
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else if ((bytes[0] == B_ENTER) && (modifiers == 0)) {
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_AppendHistory();
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fConversationView->MessageReceived(new BMessage(APP_CHAT));
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}
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else
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BTextView::KeyDown(bytes, numBytes);
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}
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void
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SendTextView::_AutoComplete()
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{
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if (fConversationView == NULL || fConversationView->GetConversation() == NULL)
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return;
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BStringList words;
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BString text = Text();
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text.Split(" ", true, words);
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if (words.CountStrings() <= 0)
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return;
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BString lastWord = words.StringAt(words.CountStrings() - 1);
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if (fCurrentWord.IsEmpty() == true)
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fCurrentWord = lastWord;
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// Now to find the substitutes
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const char* substitution = NULL;
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if (fCurrentWord.StartsWith("/") == true)
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substitution = _CommandAutoComplete();
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else
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substitution = _UserAutoComplete();
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if (substitution == NULL)
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fCurrentIndex = 0;
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else {
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text.ReplaceLast(lastWord.String(), substitution);
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SetText(text.String());
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Select(TextLength(), TextLength());
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}
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}
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const char*
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SendTextView::_CommandAutoComplete()
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{
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int64 instance =
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fConversationView->GetConversation()->GetProtocolLooper()->GetInstance();
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CommandMap commands =
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((TheApp*)be_app)->GetMainWindow()->GetServer()->Commands(instance);
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BString command;
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BString cmdWord = BString(fCurrentWord).Remove(0, 1);
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for (int i, j = 0; i < commands.CountItems(); i++)
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if (commands.KeyAt(i).StartsWith(cmdWord)) {
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if (j == fCurrentIndex) {
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command = commands.KeyAt(i);
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fCurrentIndex++;
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break;
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}
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j++;
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}
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if (command.IsEmpty() == true)
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return NULL;
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return command.Prepend("/").String();
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}
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const char*
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SendTextView::_UserAutoComplete()
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{
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BString user;
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UserMap users = fConversationView->GetConversation()->Users();
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for (int i, j = 0; i < users.CountItems(); i++)
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if (users.KeyAt(i).StartsWith(fCurrentWord)) {
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if (j == fCurrentIndex) {
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user = users.KeyAt(i);
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fCurrentIndex++;
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break;
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}
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j++;
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}
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if (user.IsEmpty() == true)
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return NULL;
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return user.String();
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}
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void
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SendTextView::_AppendHistory()
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{
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fHistoryIndex = 0;
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fHistory.Add(BString(Text()), 0);
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if (fHistory.CountStrings() == 21)
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fHistory.Remove(20);
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}
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void
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SendTextView::_UpHistory()
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{
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if (fHistoryIndex == 0 && TextLength() > 0)
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_AppendHistory();
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if (fHistoryIndex < fHistory.CountStrings()) {
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fHistoryIndex++;
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SetText(fHistory.StringAt(fHistoryIndex - 1));
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Select(TextLength(), TextLength());
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}
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}
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void
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SendTextView::_DownHistory()
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{
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if (fHistoryIndex > 1) {
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fHistoryIndex--;
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SetText(fHistory.StringAt(fHistoryIndex - 1));
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Select(TextLength(), TextLength());
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}
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}
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