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annotate engine/core/gui/widgets/clicklabel.cpp @ 154:d29593182f40

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- modified clicklabel to provide a mouse listener for hover events - modified clicklabel.i to make new methods available for python - added LabelListener to pychan wrapper, as well as two new methods to Label class to set enter / exit callbacks NOTE:
author chewie@33b003aa-7bff-0310-803a-e67f0ece8222
date Sat, 11 Oct 2008 14:13:56 +0000
parents 90005975cdbb
children bb9902910067
rev   line source
0
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1 /***************************************************************************
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2 * Copyright (C) 2005-2008 by the FIFE team *
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3 * http://www.fifengine.de *
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4 * This file is part of FIFE. *
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5 * *
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6 * FIFE is free software; you can redistribute it and/or *
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7 * modify it under the terms of the GNU Lesser General Public *
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8 * License as published by the Free Software Foundation; either *
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9 * version 2.1 of the License, or (at your option) any later version. *
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10 * *
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11 * This library is distributed in the hope that it will be useful, *
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12 * but WITHOUT ANY WARRANTY; without even the implied warranty of *
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13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU *
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14 * Lesser General Public License for more details. *
0
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15 * *
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16 * You should have received a copy of the GNU Lesser General Public *
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17 * License along with this library; if not, write to the *
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18 * Free Software Foundation, Inc., *
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19 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA *
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20 ***************************************************************************/
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21
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22 // Standard C++ library includes
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23 #include <cassert>
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24
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25 // 3rd party library includes
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26
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27 // FIFE includes
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28 // These includes are split up in two parts, separated by one empty line
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29 // First block: files included from the FIFE root src directory
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30 // Second block: files included from the same folder
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31 #include "gui/base/gui_font.h"
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32 #include "util/base/exception.h"
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33 #include "video/image.h"
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34
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35 #include "clicklabel.h"
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36
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37 namespace gcn {
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38 ClickLabel::ClickLabel() {
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39 mGuiFont = static_cast<FIFE::GuiFont*> (getFont());
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40 // setAlignment(Graphics::LEFT);
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41 setTextWrapping(false);
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42 setFrameSize(0);
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43 m_listener = NULL;
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44 addMouseListener(this);
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45 addKeyListener(this);
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46 addFocusListener(this);
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47
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48 }
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49
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50 ClickLabel::ClickLabel(const std::string& caption) {
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51 mGuiFont = static_cast<FIFE::GuiFont*> (getFont());
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52 // setAlignment(Graphics::LEFT);
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53 setTextWrapping(false);
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54 setCaption(caption);
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55 setFrameSize(0);
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56 m_listener = NULL;
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57 addMouseListener(this);
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58 addKeyListener(this);
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59 addFocusListener(this);
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60
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61 wrapText();
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62 }
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63
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64 ClickLabel::~ClickLabel() {
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65 }
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66
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67 void ClickLabel::setCaption(const std::string& caption) {
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68 mCaption = caption;
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69 mGuiFont = static_cast<FIFE::GuiFont*> (getFont());
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70 wrapText();
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71 }
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72
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73 const std::string& ClickLabel::getCaption() const {
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74 return mCaption;
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75 }
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76
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77 void ClickLabel::setWidth(int width) {
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78 Widget::setWidth(width);
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79 wrapText();
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80 }
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81
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82 void ClickLabel::draw(Graphics* graphics) {
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83
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84 if (mGuiFont != static_cast<FIFE::GuiFont*> (getFont())) {
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85 mGuiFont = static_cast<FIFE::GuiFont*> (getFont());
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86 wrapText();
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87 adjustSize();
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88 }
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89
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90 int textX = 0;
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91 int textY = 0;
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92
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93 if (mGuiFont) {
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94 if( isTextWrapping() ) {
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95 mGuiFont->drawMultiLineString(graphics, mWrappedText, textX, textY);
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96 } else {
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97 mGuiFont->drawMultiLineString(graphics, mCaption, textX, textY);
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98 }
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99 }
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100 }
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101
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102 void ClickLabel::setTextWrapping(bool textWrapping) {
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103 bool wrappingEnabled = !mTextWrapping && textWrapping;
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104 mTextWrapping = textWrapping;
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105 if (wrappingEnabled) {
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106 wrapText();
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107 }
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108 }
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109
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110 bool ClickLabel::isTextWrapping() const {
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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diff changeset
111 return mTextWrapping;
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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112 }
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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113
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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114 void ClickLabel::adjustSize() {
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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115 if (mGuiFont) {
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
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116 FIFE::Image* image;
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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117 if( isTextWrapping() ) {
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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118 image = mGuiFont->getAsImageMultiline(mWrappedText);
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
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119 } else {
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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120 image = mGuiFont->getAsImage(mCaption);
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121 }
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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122 setWidth( image->getWidth() );
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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123 setHeight( image->getHeight() );
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124 }
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
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125 }
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
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126
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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127 void ClickLabel::wrapText() {
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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128 if( isTextWrapping() && mGuiFont ) {
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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129 mWrappedText = mGuiFont->splitTextToWidth(mCaption,getWidth());
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130 }
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131 }
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132
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133
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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134 void ClickLabel::mousePressed(MouseEvent& mouseEvent)
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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135 {
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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136 if (mouseEvent.getButton() == MouseEvent::LEFT) {
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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137 mMousePressed = true;
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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138 mouseEvent.consume();
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
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139 }
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
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140 }
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141
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mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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142 void ClickLabel::mouseExited(MouseEvent& mouseEvent)
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mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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143 {
154
d29593182f40 - modified clicklabel to provide a mouse listener for hover events
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144 // taken from TwoButton.cpp
d29593182f40 - modified clicklabel to provide a mouse listener for hover events
chewie@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 46
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145 if (m_listener) {
d29593182f40 - modified clicklabel to provide a mouse listener for hover events
chewie@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 46
diff changeset
146 m_listener->mouseExited(*this);
d29593182f40 - modified clicklabel to provide a mouse listener for hover events
chewie@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 46
diff changeset
147 }
0
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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148 mHasMouse = false;
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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149 }
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
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150
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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151 void ClickLabel::mouseEntered(MouseEvent& mouseEvent)
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mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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152 {
154
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chewie@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 46
diff changeset
153 // taken from TwoButton.cpp
d29593182f40 - modified clicklabel to provide a mouse listener for hover events
chewie@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 46
diff changeset
154 if (m_listener) {
d29593182f40 - modified clicklabel to provide a mouse listener for hover events
chewie@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 46
diff changeset
155 m_listener->mouseEntered(*this);
d29593182f40 - modified clicklabel to provide a mouse listener for hover events
chewie@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 46
diff changeset
156 }
0
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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157 mHasMouse = true;
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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158 }
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
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159
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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diff changeset
160 void ClickLabel::mouseReleased(MouseEvent& mouseEvent)
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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161 {
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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162 if (mouseEvent.getButton() == MouseEvent::LEFT && mMousePressed && mHasMouse) {
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
163 mMousePressed = false;
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
164 distributeActionEvent();
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
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165 mouseEvent.consume();
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
166 } else if (mouseEvent.getButton() == MouseEvent::LEFT) {
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
167 mMousePressed = false;
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
168 mouseEvent.consume();
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
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169 }
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
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170 }
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
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171
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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172 void ClickLabel::mouseDragged(MouseEvent& mouseEvent)
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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173 {
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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diff changeset
174 mouseEvent.consume();
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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175 }
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
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176
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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177 void ClickLabel::keyPressed(KeyEvent& keyEvent)
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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178 {
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
179 Key key = keyEvent.getKey();
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
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180
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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181 if (key.getValue() == Key::ENTER || key.getValue() == Key::SPACE) {
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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diff changeset
182 mKeyPressed = true;
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
183 keyEvent.consume();
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
184 }
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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185 }
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
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186
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
187 void ClickLabel::keyReleased(KeyEvent& keyEvent)
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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diff changeset
188 {
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
189 Key key = keyEvent.getKey();
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
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parents:
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190
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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diff changeset
191 if ((key.getValue() == Key::ENTER || key.getValue() == Key::SPACE) && mKeyPressed) {
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
192 mKeyPressed = false;
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
193 distributeActionEvent();
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
194 keyEvent.consume();
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
195 }
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
196 }
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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diff changeset
197
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
198 void ClickLabel::focusLost(const Event& event)
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
199 {
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
200 mMousePressed = false;
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
201 mKeyPressed = false;
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
202 }
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
203 }