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source: code/branches/usability/src/orxonox/ChatInputHandler.cc @ 11483

Last change on this file since 11483 was 8025, checked in by rgrieder, 14 years ago

Fixed some includes.

  • Property svn:eol-style set to native
File size: 10.5 KB
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1/*
2 *   ORXONOX - the hottest 3D action shooter ever to exist
3 *                    > www.orxonox.net <
4 *
5 *
6 *   License notice:
7 *
8 *   This program is free software; you can redistribute it and/or
9 *   modify it under the terms of the GNU General Public License
10 *   as published by the Free Software Foundation; either version 2
11 *   of the License, or (at your option) any later version.
12 *
13 *   This program is distributed in the hope that it will be useful,
14 *   but WITHOUT ANY WARRANTY; without even the implied warranty of
15 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
16 *   GNU General Public License for more details.
17 *
18 *   You should have received a copy of the GNU General Public License
19 *   along with this program; if not, write to the Free Software
20 *   Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
21 *
22 *   Author:
23 *      Sandro 'smerkli' Merkli
24 *   Co-authors:
25 *      ...
26 *
27 */
28
29#include "ChatInputHandler.h"
30
31#include <cassert>
32#include <string>
33#include <CEGUIWindow.h>
34#include <CEGUIWindowManager.h>
35#include <elements/CEGUIListbox.h>
36#include <elements/CEGUIListboxItem.h>
37#include <elements/CEGUIListboxTextItem.h>
38
39#include "util/ScopedSingletonManager.h"
40#include "core/CoreIncludes.h"
41#include "core/GUIManager.h"
42#include "core/command/ConsoleCommand.h"
43#include "core/input/InputBuffer.h"
44#include "core/input/InputManager.h"
45#include "core/input/InputState.h"
46#include "network/Host.h"
47
48#include "PlayerManager.h"
49#include "infos/PlayerInfo.h"
50
51namespace orxonox
52{
53  /* singleton */
54  ManageScopedSingleton( ChatInputHandler, ScopeID::Graphics, false );
55
56  /* add commands to console */
57  SetConsoleCommand( "startchat", &ChatInputHandler::activate_static );
58  SetConsoleCommand( "startchat_small", &ChatInputHandler::activate_small_static );
59
60  /* constructor */
61  ChatInputHandler::ChatInputHandler()
62  {
63    /* register the object  */
64    RegisterObject(ChatInputHandler);
65
66    /* create necessary objects */
67    this->inpbuf = new InputBuffer();
68    this->disp_offset = 0;
69    assert( this->inpbuf != NULL );
70
71    /* generate chatbox ui and chatbox-inputonly ui */
72    GUIManager::getInstance().loadGUI( "ChatBox" );
73    GUIManager::getInstance().loadGUI( "ChatBox-inputonly" );
74
75    /* setup colors */
76    setupColors();
77
78    /* configure the input buffer */
79    configureInputBuffer();
80
81    this->inputState = InputManager::getInstance().createInputState( "chatinput", false, false, InputStatePriority::Dynamic );
82    this->inputState->setKeyHandler(this->inpbuf);
83  }
84
85  ChatInputHandler::~ChatInputHandler()
86  {
87    /* Clean up */
88    InputManager::getInstance().destroyState("chatinput");
89    delete this->inpbuf;
90  }
91
92  /* configure input buffer, sub for the constructor */
93  void ChatInputHandler::configureInputBuffer()
94  {
95    /* INSTALL CALLBACKS */
96    /* input has changed */
97    this->inpbuf->registerListener(this, &ChatInputHandler::inputChanged, true);
98
99    /* add a line */
100    this->inpbuf->registerListener(this, &ChatInputHandler::addline,         '\r',   false);
101    this->inpbuf->registerListener(this, &ChatInputHandler::addline,         '\n',   false);
102
103    /* backspace */
104    this->inpbuf->registerListener(this, &ChatInputHandler::backspace,       '\b',   true);
105    //this->inpbuf->registerListener(this, &ChatInputHandler::backspace,       '\177', true);
106
107    /* exit the chatinputhandler thingy (tbd) */
108    this->inpbuf->registerListener(this, &ChatInputHandler::exit,            '\033', true); // escape
109
110    /* delete character */
111    this->inpbuf->registerListener(this, &ChatInputHandler::deleteChar,      KeyCode::Delete);
112
113    /* cursor movement */
114    this->inpbuf->registerListener(this, &ChatInputHandler::cursorRight,     KeyCode::Right);
115    this->inpbuf->registerListener(this, &ChatInputHandler::cursorLeft,      KeyCode::Left);
116    this->inpbuf->registerListener(this, &ChatInputHandler::cursorEnd,       KeyCode::End);
117    this->inpbuf->registerListener(this, &ChatInputHandler::cursorHome,      KeyCode::Home);
118
119    /* GET WINDOW POINTERS */
120    input = CEGUI::WindowManager::getSingleton().getWindow( "orxonox/ChatBox/input" );
121    inputonly = CEGUI::WindowManager::getSingleton().getWindow( "orxonox/ChatBox-inputonly/input" );
122
123    /* get pointer to the history window */
124    CEGUI::Window *history = CEGUI::WindowManager::getSingleton().getWindow( "orxonox/ChatBox/history" );
125
126    /* cast it to a listbox */
127    lb_history = dynamic_cast<CEGUI::Listbox*>(history);
128
129    /* assert wee */
130    assert( lb_history );
131  }
132
133  /* setup the colors, sub for the constructor */
134  void ChatInputHandler::setupColors()
135  {
136    /* auto variables */
137    float red = 1.0, green = 0.5, blue = 0.5;
138    int i = 0;
139
140    // three loops: red tones, blue tones and green tones
141    // reds
142    for( i = 0; i < NumberOfColors/3; ++i )
143    { this->text_colors[ i ] = CEGUI::colour( red, green, blue );
144      green += 0.2f, blue += 0.2f;
145    }
146
147    // greens
148    red = 0.5, green = 1, blue = 0.5;
149    for( ; i < NumberOfColors*2/3; ++i )
150    { this->text_colors[ i ] = CEGUI::colour( red, green, blue );
151      red += 0.2f, blue += 0.2f;
152    }
153
154    // blues
155    red = 0.5, green = 0.5, blue = 1;
156    for( ; i < NumberOfColors; ++i )
157    { this->text_colors[ i ] = CEGUI::colour( red, green, blue );
158      red += 0.2f, green += 0.2f;
159    }
160  }
161
162
163  /* activate, deactivate */
164  void ChatInputHandler::activate_static()
165  { ChatInputHandler::getInstance().activate( true ); }
166
167  void ChatInputHandler::activate_small_static()
168  { ChatInputHandler::getInstance().activate( false ); }
169
170  void ChatInputHandler::activate( bool full )
171  {
172    /* start listening */
173    InputManager::getInstance().enterState("chatinput");
174
175    /* MARK add spawning of chat widget stuff here.*/
176    if( full )
177      GUIManager::getInstance().showGUI( "ChatBox" );
178    else
179      GUIManager::getInstance().showGUI( "ChatBox-inputonly" );
180
181    this->fullchat = full;
182  }
183
184  void ChatInputHandler::deactivate()
185  {
186    /* stop listening */
187    InputManager::getInstance().leaveState("chatinput");
188
189    /* un-spawning of chat widget stuff */
190    GUIManager::getInstance().hideGUI( "ChatBox" );
191    GUIManager::getInstance().hideGUI( "ChatBox-inputonly" );
192  }
193
194
195  /* subs for incomingChat */
196  void ChatInputHandler::sub_setcolor( CEGUI::ListboxTextItem *tocolor,
197    std::string name )
198  {
199    /* sanity checks */
200    if( !tocolor )
201      COUT(2) << "Empty ListBoxTextItem given to "
202        "ChatInputhandler::sub_setcolor().\n";
203
204    /* "hash" the name */
205    int hash = 0;
206    for( int i = name.length(); i > 0; --i )
207      hash += name[i-1];
208    hash = hash % this->NumberOfColors;
209
210    /* set the color according to the hash */
211    tocolor->setTextColours( this->text_colors[ hash ] );
212  }
213
214  /* handle incoming chat */
215  void ChatInputHandler::incomingChat(const std::string& message,
216    unsigned int senderID)
217  {
218    /* look up the actual name of the sender */
219    std::string text, name = "unknown";
220
221    /* setup player name info */
222    if (senderID != CLIENTID_UNKNOWN)
223    {
224       PlayerInfo* player = PlayerManager::getInstance().getClient(senderID);
225       if (player)
226         name = player->getName();
227    }
228
229    /* assemble the text */
230    text = name + ": " + message;
231
232    /* create item */
233    CEGUI::ListboxTextItem *toadd = new CEGUI::ListboxTextItem( text );
234
235    /* setup colors */
236    sub_setcolor( toadd, name );
237
238    /* now add */
239    this->lb_history->addItem( dynamic_cast<CEGUI::ListboxItem*>(toadd) );
240    this->lb_history->ensureItemIsVisible(
241      dynamic_cast<CEGUI::ListboxItem*>(toadd) );
242
243    /* make sure the history handles it */
244    this->lb_history->handleUpdatedItemData();
245  }
246
247
248  /* sub for inputchanged */
249  void ChatInputHandler::sub_adjust_dispoffset( int maxlen,
250    int cursorpos,
251    int inplen )
252  {
253    /* already start offsetting 5 characters before end */
254    if( cursorpos+5 > maxlen )
255    {
256      /* always stay 5 characters ahead of end, looks better */
257      ((disp_offset = cursorpos-maxlen+5) >= 0) ? 1 : disp_offset = 0;
258
259      /* enforce visibility of cursor */
260      (disp_offset > cursorpos ) ? disp_offset = 0 : 1;
261    }
262
263    /* make sure we don't die at substr */
264    if( inplen <= disp_offset ) disp_offset = 0;
265  }
266
267  /* callbacks for InputBuffer */
268  void ChatInputHandler::inputChanged()
269  {
270    /* update the cursor and the window */
271    std::string raw = this->inpbuf->get();
272    int cursorpos = this->inpbuf->getCursorPosition();
273
274    /* get string before cursor */
275    std::string left = raw.substr( 0, cursorpos );
276
277    /* see if there's a string after the cursor */
278    std::string right = "";
279    if( raw.length() >= left.length()+1 )
280      right = raw.substr( cursorpos );
281
282    /* set the text */
283    std::string assembled = "$ " + left + "|" + right;
284
285    if( this->fullchat )
286    {
287      /* adjust curser position - magic number 5 for font width */
288      sub_adjust_dispoffset( (int)(this->input->getUnclippedInnerRect().getWidth()/6),
289        cursorpos, assembled.length() );
290      this->input->setProperty( "Text", assembled.substr( disp_offset ) );
291    }
292    else
293    {
294      /* adjust curser position - magic number 5 for font width */
295      sub_adjust_dispoffset( (int)(this->inputonly->getUnclippedInnerRect().getWidth()/6),
296        cursorpos, assembled.length() );
297      this->inputonly->setProperty( "Text", assembled.substr( disp_offset) );
298    }
299
300    /* reset display offset */
301    disp_offset = 0;
302  }
303
304  void ChatInputHandler::addline()
305  {
306    /* actually do send what was input */
307    /* a) get the string out of the inputbuffer */
308    std::string msgtosend = this->inpbuf->get();
309
310    if( msgtosend.length() == 0 )
311    { this->deactivate();
312      return;
313    }
314
315    /* b) clear the input buffer */
316    if (this->inpbuf->getSize() > 0)
317      this->inpbuf->clear();
318
319    /* c) send the chat via some call */
320    Host::Chat( msgtosend );
321
322    /* d) stop listening to input - only if this is not fullchat */
323    if( !this->fullchat )
324      this->deactivate();
325
326  }
327
328  void ChatInputHandler::backspace()
329  { this->inpbuf->removeBehindCursor(); }
330
331  void ChatInputHandler::deleteChar()
332  { this->inpbuf->removeAtCursor(); }
333
334  void ChatInputHandler::cursorRight()
335  { this->inpbuf->increaseCursor(); }
336
337  void ChatInputHandler::cursorLeft()
338  { this->inpbuf->decreaseCursor(); }
339
340  void ChatInputHandler::cursorEnd()
341  { this->inpbuf->setCursorToEnd(); }
342
343  void ChatInputHandler::cursorHome()
344  { this->inpbuf->setCursorToBegin(); }
345
346  void ChatInputHandler::exit()
347  {
348    /* b) clear the input buffer */
349    if (this->inpbuf->getSize() > 0)
350      this->inpbuf->clear();
351
352    /* d) stop listening to input  */
353    this->deactivate();
354  }
355
356}
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