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source: code/branches/rocket3/src/orxonox/ChatInputHandler.cc @ 7158

Last change on this file since 7158 was 7127, checked in by rgrieder, 14 years ago

Removed excess white space at the end of lines.

  • Property svn:eol-style set to native
File size: 10.3 KB
Line 
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#include <core/ScopedSingletonManager.h>
31#include "core/ConsoleCommand.h"
32#include "core/CoreIncludes.h"
33#include "core/GUIManager.h"
34#include "core/CorePrereqs.h"
35#include <CEGUIWindow.h>
36#include <elements/CEGUIListbox.h>
37#include <elements/CEGUIListboxItem.h>
38#include <elements/CEGUIListboxTextItem.h>
39#include <CEGUIWindowManager.h>
40#include <string>
41
42namespace orxonox
43{
44  /* singleton */
45  ManageScopedSingleton( ChatInputHandler, ScopeID::Graphics, false );
46
47  /* add commands to console */
48  SetConsoleCommandAlias( ChatInputHandler, activate_static, "startchat",
49    true );
50  SetConsoleCommandAlias( ChatInputHandler, activate_small_static,
51    "startchat_small", true );
52
53  /* constructor */
54  ChatInputHandler::ChatInputHandler()
55  {
56    /* register the object  */
57    RegisterObject(ChatInputHandler);
58
59    /* create necessary objects */
60    this->inpbuf = new InputBuffer();
61    this->disp_offset = 0;
62    assert( this->inpbuf != NULL );
63
64    /* generate chatbox ui and chatbox-inputonly ui */
65    GUIManager::getInstance().loadGUI( "ChatBox" );
66    GUIManager::getInstance().loadGUI( "ChatBox-inputonly" );
67
68    /* setup colors */
69    setupColors();
70
71    /* configure the input buffer */
72    configureInputBuffer();
73
74    this->inputState = InputManager::getInstance().createInputState( "chatinput", false, false, InputStatePriority::Dynamic );
75    this->inputState->setKeyHandler(this->inpbuf);
76  }
77
78  /* configure input buffer, sub for the constructor */
79  void ChatInputHandler::configureInputBuffer()
80  {
81    /* INSTALL CALLBACKS */
82    /* input has changed */
83    this->inpbuf->registerListener(this, &ChatInputHandler::inputChanged, true);
84
85    /* add a line */
86    this->inpbuf->registerListener(this, &ChatInputHandler::addline,         '\r',   false);
87    this->inpbuf->registerListener(this, &ChatInputHandler::addline,         '\n',   false);
88
89    /* backspace */
90    this->inpbuf->registerListener(this, &ChatInputHandler::backspace,       '\b',   true);
91    //this->inpbuf->registerListener(this, &ChatInputHandler::backspace,       '\177', true);
92
93    /* exit the chatinputhandler thingy (tbd) */
94    this->inpbuf->registerListener(this, &ChatInputHandler::exit,            '\033', true); // escape
95
96    /* delete character */
97    this->inpbuf->registerListener(this, &ChatInputHandler::deleteChar,      KeyCode::Delete);
98
99    /* cursor movement */
100    this->inpbuf->registerListener(this, &ChatInputHandler::cursorRight,     KeyCode::Right);
101    this->inpbuf->registerListener(this, &ChatInputHandler::cursorLeft,      KeyCode::Left);
102    this->inpbuf->registerListener(this, &ChatInputHandler::cursorEnd,       KeyCode::End);
103    this->inpbuf->registerListener(this, &ChatInputHandler::cursorHome,      KeyCode::Home);
104
105    /* GET WINDOW POINTERS */
106    input = CEGUI::WindowManager::getSingleton().getWindow( "orxonox/ChatBox/input" );
107    inputonly = CEGUI::WindowManager::getSingleton().getWindow( "orxonox/ChatBox-inputonly/input" );
108
109    /* get pointer to the history window */
110    CEGUI::Window *history = CEGUI::WindowManager::getSingleton().getWindow( "orxonox/ChatBox/history" );
111
112    /* cast it to a listbox */
113    lb_history = dynamic_cast<CEGUI::Listbox*>(history);
114
115    /* assert wee */
116    assert( lb_history );
117  }
118
119  /* setup the colors, sub for the constructor */
120  void ChatInputHandler::setupColors()
121  {
122    /* auto variables */
123    float red = 1.0, green = 0.5, blue = 0.5;
124    int i = 0;
125
126    // three loops: red tones, blue tones and green tones
127    // reds
128    for( i = 0; i < NumberOfColors/3; ++i )
129    { this->text_colors[ i ] = new CEGUI::colour( red, green, blue );
130      assert( this->text_colors[ i ] );
131      green += 0.2, blue += 0.2;
132    }
133
134    // greens
135    red = 0.5, green = 1, blue = 0.5;
136    for( ; i < NumberOfColors*2/3; ++i )
137    { this->text_colors[ i ] = new CEGUI::colour( red, green, blue );
138      assert( this->text_colors[ i ] );
139      red += 0.2, blue += 0.2;
140    }
141
142    // blues
143    red = 0.5, green = 0.5, blue = 1;
144    for( ; i < NumberOfColors; ++i )
145    { this->text_colors[ i ] = new CEGUI::colour( red, green, blue );
146      assert( this->text_colors[ i ] );
147      red += 0.2, green += 0.2;
148    }
149  }
150
151
152  /* activate, deactivate */
153  void ChatInputHandler::activate_static()
154  { ChatInputHandler::getInstance().activate( true ); }
155
156  void ChatInputHandler::activate_small_static()
157  { ChatInputHandler::getInstance().activate( false ); }
158
159  void ChatInputHandler::activate( bool full )
160  {
161    /* start listening */
162    InputManager::getInstance().enterState("chatinput");
163
164    /* MARK add spawning of chat widget stuff here.*/
165    if( full )
166      GUIManager::getInstance().showGUI( "ChatBox" );
167    else
168      GUIManager::getInstance().showGUI( "ChatBox-inputonly" );
169
170    this->fullchat = full;
171  }
172
173  void ChatInputHandler::deactivate()
174  {
175    /* stop listening */
176    InputManager::getInstance().leaveState("chatinput");
177
178    /* un-spawning of chat widget stuff */
179    GUIManager::getInstance().hideGUI( "ChatBox" );
180    GUIManager::getInstance().hideGUI( "ChatBox-inputonly" );
181  }
182
183
184  /* subs for incomingChat */
185  void ChatInputHandler::sub_setcolor( CEGUI::ListboxTextItem *tocolor,
186    std::string name )
187  {
188    /* sanity checks */
189    if( !tocolor )
190      COUT(2) << "Empty ListBoxTextItem given to "
191        "ChatInputhandler::sub_setcolor().\n";
192
193    /* "hash" the name */
194    int hash = 0;
195    for( int i = name.length(); i > 0; --i )
196      hash += name[i-1];
197    hash = hash % this->NumberOfColors;
198
199    /* set the color according to the hash */
200    tocolor->setTextColours( *(this->text_colors[ hash ]) );
201  }
202
203  /* handle incoming chat */
204  void ChatInputHandler::incomingChat(const std::string& message,
205    unsigned int senderID)
206  {
207    /* look up the actual name of the sender */
208    std::string text, name = "unknown";
209
210    /* setup player name info */
211    if (senderID != CLIENTID_UNKNOWN)
212    {
213       PlayerInfo* player = PlayerManager::getInstance().getClient(senderID);
214       if (player)
215         name = player->getName();
216    }
217
218    /* assemble the text */
219    text = name + ": " + message;
220
221    /* create item */
222    CEGUI::ListboxTextItem *toadd = new CEGUI::ListboxTextItem( text );
223
224    /* setup colors */
225    sub_setcolor( toadd, name );
226
227    /* now add */
228    this->lb_history->addItem( dynamic_cast<CEGUI::ListboxItem*>(toadd) );
229    this->lb_history->ensureItemIsVisible(
230      dynamic_cast<CEGUI::ListboxItem*>(toadd) );
231
232    /* make sure the history handles it */
233    this->lb_history->handleUpdatedItemData();
234  }
235
236
237  /* sub for inputchanged */
238  void ChatInputHandler::sub_adjust_dispoffset( int maxlen,
239    int cursorpos,
240    int inplen )
241  {
242    /* already start offsetting 5 characters before end */
243    if( cursorpos+5 > maxlen )
244    {
245      /* always stay 5 characters ahead of end, looks better */
246      ((disp_offset = cursorpos-maxlen+5) >= 0) ? 1 : disp_offset = 0;
247
248      /* enforce visibility of cursor */
249      (disp_offset > cursorpos ) ? disp_offset = 0 : 1;
250    }
251
252    /* make sure we don't die at substr */
253    if( inplen <= disp_offset ) disp_offset = 0;
254  }
255
256  /* callbacks for InputBuffer */
257  void ChatInputHandler::inputChanged()
258  {
259    /* update the cursor and the window */
260    std::string raw = this->inpbuf->get();
261    int cursorpos = this->inpbuf->getCursorPosition();
262
263    /* get string before cursor */
264    std::string left = raw.substr( 0, cursorpos );
265
266    /* see if there's a string after the cursor */
267    std::string right = "";
268    if( raw.length() >= left.length()+1 )
269      right = raw.substr( cursorpos );
270
271    /* set the text */
272    std::string assembled = "$ " + left + "|" + right;
273
274    if( this->fullchat )
275    {
276      /* adjust curser position - magic number 5 for font width */
277      sub_adjust_dispoffset( (this->input->getUnclippedInnerRect().getWidth()/6),
278        cursorpos, assembled.length() );
279      this->input->setProperty( "Text", assembled.substr( disp_offset ) );
280    }
281    else
282    {
283      /* adjust curser position - magic number 5 for font width */
284      sub_adjust_dispoffset( (this->inputonly->getUnclippedInnerRect().getWidth()/6),
285        cursorpos, assembled.length() );
286      this->inputonly->setProperty( "Text", assembled.substr( disp_offset) );
287    }
288
289    /* reset display offset */
290    disp_offset = 0;
291  }
292
293  void ChatInputHandler::addline()
294  {
295    /* actually do send what was input */
296    /* a) get the string out of the inputbuffer */
297    std::string msgtosend = this->inpbuf->get();
298
299    if( msgtosend.length() == 0 )
300    { this->deactivate();
301      return;
302    }
303
304    /* b) clear the input buffer */
305    if (this->inpbuf->getSize() > 0)
306      this->inpbuf->clear();
307
308    /* c) send the chat via some call */
309    Host::Chat( msgtosend );
310
311    /* d) stop listening to input - only if this is not fullchat */
312    if( !this->fullchat )
313      this->deactivate();
314
315  }
316
317  void ChatInputHandler::backspace()
318  { this->inpbuf->removeBehindCursor(); }
319
320  void ChatInputHandler::deleteChar()
321  { this->inpbuf->removeAtCursor(); }
322
323  void ChatInputHandler::cursorRight()
324  { this->inpbuf->increaseCursor(); }
325
326  void ChatInputHandler::cursorLeft()
327  { this->inpbuf->decreaseCursor(); }
328
329  void ChatInputHandler::cursorEnd()
330  { this->inpbuf->setCursorToEnd(); }
331
332  void ChatInputHandler::cursorHome()
333  { this->inpbuf->setCursorToBegin(); }
334
335  void ChatInputHandler::exit()
336  {
337    /* b) clear the input buffer */
338    if (this->inpbuf->getSize() > 0)
339      this->inpbuf->clear();
340
341    /* d) stop listening to input  */
342    this->deactivate();
343  }
344
345}
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