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source: code/trunk/src/orxonox/chat/ChatInputHandler.cc @ 11003

Last change on this file since 11003 was 10624, checked in by landauf, 9 years ago

merged branch core7 back to trunk

  • Property svn:eol-style set to native
File size: 11.2 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 <cstddef>
33#include <string>
34
35#if CEGUI_VERSION >= 0x000800
36#   include <CEGUI/Window.h>
37#   include <CEGUI/WindowManager.h>
38#   include <CEGUI/widgets/Listbox.h>
39#   include <CEGUI/widgets/ListboxItem.h>
40#   include <CEGUI/widgets/ListboxTextItem.h>
41#else
42#   include <CEGUIWindow.h>
43#   include <CEGUIWindowManager.h>
44#   include <elements/CEGUIListbox.h>
45#   include <elements/CEGUIListboxItem.h>
46#   include <elements/CEGUIListboxTextItem.h>
47#endif
48
49#include "core/singleton/ScopedSingletonIncludes.h"
50#include "core/CoreIncludes.h"
51#include "core/GUIManager.h"
52#include "core/command/ConsoleCommandIncludes.h"
53#include "core/input/InputBuffer.h"
54#include "core/input/InputManager.h"
55#include "core/input/InputState.h"
56
57#include "chat/ChatManager.h"
58#include "PlayerManager.h"
59#include "infos/PlayerInfo.h"
60
61namespace orxonox
62{
63  /* singleton */
64  ManageScopedSingleton( ChatInputHandler, ScopeID::GRAPHICS, false );
65
66  /* add commands to console */
67  SetConsoleCommand( "startchat", &ChatInputHandler::activate_static );
68  SetConsoleCommand( "startchat_small", &ChatInputHandler::activate_small_static );
69
70  RegisterAbstractClass(ChatInputHandler).inheritsFrom<ChatListener>();
71
72  /* constructor */
73  ChatInputHandler::ChatInputHandler()
74  {
75    /* register the object  */
76    RegisterObject(ChatInputHandler);
77
78    /* create necessary objects */
79    this->inpbuf = new InputBuffer();
80    this->disp_offset = 0;
81    assert( this->inpbuf != NULL );
82
83    /* generate chatbox ui and chatbox-inputonly ui */
84    GUIManager::getInstance().loadGUI( "ChatBox" );
85    GUIManager::getInstance().loadGUI( "ChatBox-inputonly" );
86
87    /* setup colors */
88    setupColors();
89
90    /* configure the input buffer */
91    configureInputBuffer();
92
93    this->inputState = InputManager::getInstance().createInputState( "chatinput", false, false, InputStatePriority::Dynamic );
94    this->inputState->setKeyHandler(this->inpbuf);
95  }
96
97  ChatInputHandler::~ChatInputHandler()
98  {
99    /* Clean up */
100    InputManager::getInstance().destroyState("chatinput");
101    delete this->inpbuf;
102  }
103
104  /* configure input buffer, sub for the constructor */
105  void ChatInputHandler::configureInputBuffer()
106  {
107    /* INSTALL CALLBACKS */
108    /* input has changed */
109    this->inpbuf->registerListener(this, &ChatInputHandler::inputChanged, true);
110
111    /* add a line */
112    this->inpbuf->registerListener(this, &ChatInputHandler::addline,         '\r',   false);
113    this->inpbuf->registerListener(this, &ChatInputHandler::addline,         '\n',   false);
114
115    /* backspace */
116    this->inpbuf->registerListener(this, &ChatInputHandler::backspace,       '\b',   true);
117    //this->inpbuf->registerListener(this, &ChatInputHandler::backspace,       '\177', true);
118
119    /* exit the chatinputhandler thingy (tbd) */
120    this->inpbuf->registerListener(this, &ChatInputHandler::exit,            '\033', true); // escape
121
122    /* delete character */
123    this->inpbuf->registerListener(this, &ChatInputHandler::deleteChar,      KeyCode::Delete);
124
125    /* cursor movement */
126    this->inpbuf->registerListener(this, &ChatInputHandler::cursorRight,     KeyCode::Right);
127    this->inpbuf->registerListener(this, &ChatInputHandler::cursorLeft,      KeyCode::Left);
128    this->inpbuf->registerListener(this, &ChatInputHandler::cursorEnd,       KeyCode::End);
129    this->inpbuf->registerListener(this, &ChatInputHandler::cursorHome,      KeyCode::Home);
130
131    /* GET WINDOW POINTERS */
132#if CEGUI_VERSION >= 0x000800
133    input = CEGUI::System::getSingleton().getDefaultGUIContext().getRootWindow()->getChild( "orxonox/ChatBox/input" );
134    inputonly = CEGUI::System::getSingleton().getDefaultGUIContext().getRootWindow()->getChild( "orxonox/ChatBox-inputonly/input" );
135    CEGUI::Window *history = CEGUI::System::getSingleton().getDefaultGUIContext().getRootWindow()->getChild( "orxonox/ChatBox/history" );
136#else
137    input = CEGUI::WindowManager::getSingleton().getWindow( "orxonox/ChatBox/input" );
138    inputonly = CEGUI::WindowManager::getSingleton().getWindow( "orxonox/ChatBox-inputonly/input" );
139    CEGUI::Window *history = CEGUI::WindowManager::getSingleton().getWindow( "orxonox/ChatBox/history" );
140#endif
141
142    /* cast it to a listbox */
143    lb_history = dynamic_cast<CEGUI::Listbox*>(history);
144
145    /* assert wee */
146    assert( lb_history );
147  }
148
149  /* setup the colors, sub for the constructor */
150  void ChatInputHandler::setupColors()
151  {
152    /* auto variables */
153    float red = 1.0, green = 0.5, blue = 0.5;
154    int i = 0;
155
156    // three loops: red tones, blue tones and green tones
157    // reds
158    for( i = 0; i < NumberOfColors/3; ++i )
159    { this->text_colors[ i ] = CEGUIColour( red, green, blue );
160      green += 0.2f, blue += 0.2f;
161    }
162
163    // greens
164    red = 0.5, green = 1, blue = 0.5;
165    for( ; i < NumberOfColors*2/3; ++i )
166    { this->text_colors[ i ] = CEGUIColour( red, green, blue );
167      red += 0.2f, blue += 0.2f;
168    }
169
170    // blues
171    red = 0.5, green = 0.5, blue = 1;
172    for( ; i < NumberOfColors; ++i )
173    { this->text_colors[ i ] = CEGUIColour( red, green, blue );
174      red += 0.2f, green += 0.2f;
175    }
176  }
177
178
179  /* activate, deactivate */
180  void ChatInputHandler::activate_static()
181  { ChatInputHandler::getInstance().activate( true ); }
182
183  void ChatInputHandler::activate_small_static()
184  { ChatInputHandler::getInstance().activate( false ); }
185
186  void ChatInputHandler::activate( bool full )
187  {
188    /* start listening */
189    InputManager::getInstance().enterState("chatinput");
190
191    /* MARK add spawning of chat widget stuff here.*/
192    if( full )
193      GUIManager::getInstance().showGUI( "ChatBox" );
194    else
195      GUIManager::getInstance().showGUI( "ChatBox-inputonly" );
196
197    this->fullchat = full;
198  }
199
200  void ChatInputHandler::deactivate()
201  {
202    /* stop listening */
203    InputManager::getInstance().leaveState("chatinput");
204
205    /* un-spawning of chat widget stuff */
206    GUIManager::getInstance().hideGUI( "ChatBox" );
207    GUIManager::getInstance().hideGUI( "ChatBox-inputonly" );
208  }
209
210
211  /* subs for incomingChat */
212  void ChatInputHandler::sub_setcolor( CEGUI::ListboxTextItem *tocolor,
213    std::string name )
214  {
215    /* sanity checks */
216    if( !tocolor )
217      orxout(internal_warning) << "Empty ListBoxTextItem given to "
218        "ChatInputhandler::sub_setcolor()." << endl;
219
220    /* "hash" the name */
221    int hash = 0;
222    for( int i = name.length(); i > 0; --i )
223      hash += name[i-1];
224    hash = hash % this->NumberOfColors;
225
226    /* set the color according to the hash */
227    tocolor->setTextColours( this->text_colors[ hash ] );
228  }
229
230  /* handle incoming chat */
231  void ChatInputHandler::incomingChat(const std::string& message, const std::string& name)
232  {
233    /* create item */
234    CEGUI::ListboxTextItem *toadd = new CEGUI::ListboxTextItem( message );
235
236    /* setup colors */
237    if (name != "")
238      sub_setcolor( toadd, name );
239
240    /* now add */
241    this->lb_history->addItem( dynamic_cast<CEGUI::ListboxItem*>(toadd) );
242    this->lb_history->ensureItemIsVisible(
243      dynamic_cast<CEGUI::ListboxItem*>(toadd) );
244
245    /* make sure the history handles it */
246    this->lb_history->handleUpdatedItemData();
247  }
248
249
250  /* sub for inputchanged */
251  void ChatInputHandler::sub_adjust_dispoffset( int maxlen,
252    int cursorpos,
253    int inplen )
254  {
255    /* already start offsetting 5 characters before end */
256    if( cursorpos+5 > maxlen )
257    {
258      /* always stay 5 characters ahead of end, looks better */
259      ((disp_offset = cursorpos-maxlen+5) >= 0) ? 1 : disp_offset = 0;
260
261      /* enforce visibility of cursor */
262      (disp_offset > cursorpos ) ? disp_offset = 0 : 1;
263    }
264
265    /* make sure we don't die at substr */
266    if( inplen <= disp_offset ) disp_offset = 0;
267  }
268
269  /* callbacks for InputBuffer */
270  void ChatInputHandler::inputChanged()
271  {
272    /* update the cursor and the window */
273    std::string raw = this->inpbuf->get();
274    int cursorpos = this->inpbuf->getCursorPosition();
275
276    /* get string before cursor */
277    std::string left = raw.substr( 0, cursorpos );
278
279    /* see if there's a string after the cursor */
280    std::string right = "";
281    if( raw.length() >= left.length()+1 )
282      right = raw.substr( cursorpos );
283
284    /* set the text */
285    std::string assembled = "$ " + left + "|" + right;
286
287    if( this->fullchat )
288    {
289      /* adjust curser position - magic number 5 for font width */
290#if CEGUI_VERSION >= 0x000800
291      sub_adjust_dispoffset( (int)(this->input->getUnclippedInnerRect().get().getWidth()/6), cursorpos, assembled.length() );
292#else
293      sub_adjust_dispoffset( (int)(this->input->getUnclippedInnerRect().getWidth()/6), cursorpos, assembled.length() );
294#endif
295      this->input->setProperty( "Text", assembled.substr( disp_offset ) );
296    }
297    else
298    {
299      /* adjust curser position - magic number 5 for font width */
300#if CEGUI_VERSION >= 0x000800
301      sub_adjust_dispoffset( (int)(this->inputonly->getUnclippedInnerRect().get().getWidth()/6), cursorpos, assembled.length() );
302#else
303      sub_adjust_dispoffset( (int)(this->inputonly->getUnclippedInnerRect().getWidth()/6), cursorpos, assembled.length() );
304#endif
305      this->inputonly->setProperty( "Text", assembled.substr( disp_offset) );
306    }
307
308    /* reset display offset */
309    disp_offset = 0;
310  }
311
312  void ChatInputHandler::addline()
313  {
314    /* actually do send what was input */
315    /* a) get the string out of the inputbuffer */
316    std::string msgtosend = this->inpbuf->get();
317
318    if( msgtosend.length() == 0 )
319    { this->deactivate();
320      return;
321    }
322
323    /* b) clear the input buffer */
324    if (this->inpbuf->getSize() > 0)
325      this->inpbuf->clear();
326
327    /* c) send the chat via some call */
328    ChatManager::chat( msgtosend );
329
330    /* d) stop listening to input - only if this is not fullchat */
331    if( !this->fullchat )
332      this->deactivate();
333
334  }
335
336  void ChatInputHandler::backspace()
337  { this->inpbuf->removeBehindCursor(); }
338
339  void ChatInputHandler::deleteChar()
340  { this->inpbuf->removeAtCursor(); }
341
342  void ChatInputHandler::cursorRight()
343  { this->inpbuf->increaseCursor(); }
344
345  void ChatInputHandler::cursorLeft()
346  { this->inpbuf->decreaseCursor(); }
347
348  void ChatInputHandler::cursorEnd()
349  { this->inpbuf->setCursorToEnd(); }
350
351  void ChatInputHandler::cursorHome()
352  { this->inpbuf->setCursorToBegin(); }
353
354  void ChatInputHandler::exit()
355  {
356    /* b) clear the input buffer */
357    if (this->inpbuf->getSize() > 0)
358      this->inpbuf->clear();
359
360    /* d) stop listening to input  */
361    this->deactivate();
362  }
363
364}
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