FIFE  2008.0
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togglebutton.cpp
1 /***************************************************************************
2  * Copyright (C) 2005-2008 by the FIFE team *
3  * http://www.fifengine.de *
4  * This file is part of FIFE. *
5  * *
6  * FIFE is free software; you can redistribute it and/or *
7  * modify it under the terms of the GNU Lesser General Public *
8  * License as published by the Free Software Foundation; either *
9  * version 2.1 of the License, or (at your option) any later version. *
10  * *
11  * This library is distributed in the hope that it will be useful, *
12  * but WITHOUT ANY WARRANTY; without even the implied warranty of *
13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU *
14  * Lesser General Public License for more details. *
15  * *
16  * You should have received a copy of the GNU Lesser General Public *
17  * License along with this library; if not, write to the *
18  * Free Software Foundation, Inc., *
19  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA *
20  ***************************************************************************/
21 /***************************************************************************
22  * Note! Group and groupmap borrows heavily from ideas of Guichan library *
23  * version 0.8.1 *
24  ***************************************************************************/
25 
26 
27 
28 // Standard C++ library includes
29 #include <cassert>
30 #include <iostream>
31 
32 // 3rd party library includes
33 #include <guichan/mouseevent.hpp>
34 
35 // FIFE includes
36 // These includes are split up in two parts, separated by one empty line
37 // First block: files included from the FIFE root src directory
38 // Second block: files included from the same folder
39 #include "util/log/logger.h"
40 
41 #include "togglebutton.h"
42 
43 namespace gcn {
44  static FIFE::Logger _log(LM_GUI);
45 
46  ToggleButton::GroupMap ToggleButton::m_groupMap;
47 
48  ToggleButton::ToggleButton(Image *up_file , Image *down_file, Image *hover_file, const std::string& caption, const std::string& group):
49  Button(),
50  m_upImage(up_file),
51  m_downImage(down_file),
52  m_hoverImage(hover_file),
53  x_downoffset(0),
54  y_downoffset(0),
55  m_group(group) {
56 
57  m_hoverImage = hover_file;
58  setFrameSize(0);
59  setGroup(m_group);
60  adjustSize();
61  mCaption = caption;
62  m_toggled = false;
63 
64  addActionListener(this);
65  }
66 
68  setGroup(""); // Remove button from group
69  }
70 
71  void ToggleButton::setDownOffset(int32_t x, int32_t y) {
72  x_downoffset = x;
73  y_downoffset = y;
74  }
75 
76  void ToggleButton::draw(Graphics *graphics) {
77  Color faceColor = getBaseColor();
78  Color highlightColor;
79  Color shadowColor;
80  int32_t alpha = getBaseColor().a;
81 
82  Image* img = NULL;
83  int32_t xoffset = 0;
84  int32_t yoffset = 0;
85 
86  if (isPressed() || m_toggled) {
87  faceColor = faceColor - 0x303030;
88  faceColor.a = alpha;
89  highlightColor = faceColor - 0x303030;
90  highlightColor.a = alpha;
91  shadowColor = faceColor + 0x303030;
92  shadowColor.a = alpha;
93 
94  if( m_downImage ) {
95  img = m_downImage;
96  xoffset = x_downoffset;
97  yoffset = y_downoffset;
98  }
99  } else if(mHasMouse) {
100  faceColor = faceColor + 0x303030;
101  faceColor.a = alpha;
102  highlightColor = faceColor + 0x303030;
103  highlightColor.a = alpha;
104  shadowColor = faceColor - 0x303030;
105  shadowColor.a = alpha;
106 
107  if ( m_hoverImage ) {
108  img = m_hoverImage;
109  }
110  } else{
111  highlightColor = faceColor + 0x303030;
112  highlightColor.a = alpha;
113  shadowColor = faceColor - 0x303030;
114  shadowColor.a = alpha;
115 
116  if (m_upImage) {
117  img = m_upImage;
118  }
119  }
120 
121 
122  graphics->setColor(faceColor);
123  graphics->fillRectangle(Rectangle(1, 1, getDimension().width-1, getHeight() - 1));
124 
125  graphics->setColor(highlightColor);
126  graphics->drawLine(0, 0, getWidth() - 1, 0);
127  graphics->drawLine(0, 1, 0, getHeight() - 1);
128 
129  graphics->setColor(shadowColor);
130  graphics->drawLine(getWidth() - 1, 1, getWidth() - 1, getHeight() - 1);
131  graphics->drawLine(1, getHeight() - 1, getWidth() - 1, getHeight() - 1);
132 
133  graphics->setColor(getForegroundColor());
134 
135  if (img) {
136  graphics->drawImage(img, xoffset, yoffset);
137  }
138 
139  int32_t textX;
140  int32_t textY = getHeight() / 2 - getFont()->getHeight() / 2;
141  switch (getAlignment())
142  {
143  case Graphics::LEFT:
144  textX = 4;
145  break;
146  case Graphics::CENTER:
147  textX = getWidth() / 2;
148  break;
149  case Graphics::RIGHT:
150  textX = getWidth() - 4;
151  break;
152  default:
153  //use the default of Graphics::LEFT
154  textX = 4;
155  FL_WARN(_log, FIFE::LMsg("ToggleButton::draw() - ") << "Unknown alignment: "
156  << getAlignment() << ". Using the default of Graphics::LEFT");
157  }
158 
159  graphics->setFont(getFont());
160  if (mCaption.size() > 0) {
161  if (isPressed())
162  graphics->drawText(getCaption(), textX + 1,
163  textY + 1, getAlignment());
164  else
165  graphics->drawText(getCaption(), textX, textY, getAlignment());
166  }
167  }
168 
169  void ToggleButton::action(const ActionEvent& actionEvent) {
170  setToggled(!m_toggled);
171  }
172 
174  int32_t w = 0;
175  int32_t h = w;
176  if( m_upImage ) {
177  w = m_upImage->getWidth();
178  h = m_upImage->getHeight();
179  }
180  if( m_downImage ) {
181  w = std::max(m_downImage->getWidth(), w);
182  h = std::max(m_downImage->getHeight(), h);
183  }
184  if( m_hoverImage ) {
185  w = std::max(m_hoverImage->getWidth(), w);
186  h = std::max(m_hoverImage->getHeight(), h);
187  }
188 
189  if( mCaption.length() > 0 ) {
190  w = std::max(static_cast<int32_t>(getFont()->getWidth(mCaption)+2*mSpacing), w);
191  h = std::max(static_cast<int32_t>(getFont()->getHeight()+2*mSpacing), h);
192  }
193 
194  setWidth(w);
195  setHeight(h);
196  }
197 
198  void ToggleButton::setUpImage(Image* image) {
199  m_upImage = image;
200  adjustSize();
201  }
202 
203  void ToggleButton::setDownImage(Image* image) {
204  m_downImage = image;
205  adjustSize();
206  }
207 
208  void ToggleButton::setHoverImage(Image* image) {
209  m_hoverImage = image;
210  adjustSize();
211  }
212 
213  bool ToggleButton::isToggled() const {
214  return m_toggled;
215  }
216 
217  void ToggleButton::setToggled(bool toggled) {
218  if (toggled && m_group != "") {
219  // untoggle all buttons in group
220  GroupIterator iter, iterEnd;
221  iterEnd = m_groupMap.upper_bound(m_group);
222 
223  for (iter = m_groupMap.lower_bound(m_group); iter != iterEnd; iter++) {
224  if (iter->second->isToggled()) {
225  iter->second->setToggled(false);
226  }
227  }
228  }
229 
230  m_toggled = toggled;
231  }
232 
233  void ToggleButton::setGroup(const std::string &group) {
234  // Remove button from previous group
235  if (m_group != "") {
236  GroupIterator iter, iterEnd;
237  iterEnd = m_groupMap.upper_bound(m_group);
238 
239  for (iter = m_groupMap.lower_bound(m_group); iter != iterEnd; iter++) {
240  if (iter->second == this) {
241  m_groupMap.erase(iter);
242  break;
243  }
244  }
245  }
246 
247  // Add button to new group
248  if (group != "") {
249  m_groupMap.insert( std::pair<std::string, ToggleButton *>(group, this));
250  }
251 
252  m_group = group;
253  }
254 
255  const std::string &ToggleButton::getGroup() const {
256  return m_group;
257  }
258 
260  return x_downoffset;
261  }
262 
264  return y_downoffset;
265  }
266 
267 }
268 /* vim: set noexpandtab: set shiftwidth=2: set tabstop=2: */
269 
void setGroup(const std::string &group)
void draw(Graphics *graphics)
void setUpImage(Image *image)
void setHoverImage(Image *image)
int32_t getDownXOffset() const
void action(const ActionEvent &actionEvent)
ToggleButton(Image *up_image=0, Image *down_image=0, Image *hover_image=0, const std::string &caption="", const std::string &group="")
const std::string & getGroup() const
void setDownImage(Image *image)
bool isToggled() const
int32_t getDownYOffset() const
void setDownOffset(int32_t x, int32_t y)
void setToggled(bool toggled)