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annotate ext/guichan-0.8.1/include/guichan/widgets/textfield.hpp @ 32:75b6394ced14

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* remove geometric renderer, its not replaced by the more functional generic renderern * add grouing to generic renderer, probably this should be exported to the client in any way
author spq@33b003aa-7bff-0310-803a-e67f0ece8222
date Fri, 11 Jul 2008 15:37:16 +0000
parents 4a0efb7baf70
children
rev   line source
0
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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1 /* _______ __ __ __ ______ __ __ _______ __ __
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2 * / _____/\ / /\ / /\ / /\ / ____/\ / /\ / /\ / ___ /\ / |\/ /\
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3 * / /\____\// / // / // / // /\___\// /_// / // /\_/ / // , |/ / /
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4 * / / /__ / / // / // / // / / / ___ / // ___ / // /| ' / /
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5 * / /_// /\ / /_// / // / // /_/_ / / // / // /\_/ / // / | / /
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6 * /______/ //______/ //_/ //_____/\ /_/ //_/ //_/ //_/ //_/ /|_/ /
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7 * \______\/ \______\/ \_\/ \_____\/ \_\/ \_\/ \_\/ \_\/ \_\/ \_\/
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8 *
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9 * Copyright (c) 2004 - 2008 Olof Naessén and Per Larsson
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10 *
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11 *
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12 * Per Larsson a.k.a finalman
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13 * Olof Naessén a.k.a jansem/yakslem
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14 *
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15 * Visit: http://guichan.sourceforge.net
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16 *
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17 * License: (BSD)
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18 * Redistribution and use in source and binary forms, with or without
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19 * modification, are permitted provided that the following conditions
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20 * are met:
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21 * 1. Redistributions of source code must retain the above copyright
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22 * notice, this list of conditions and the following disclaimer.
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23 * 2. Redistributions in binary form must reproduce the above copyright
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24 * notice, this list of conditions and the following disclaimer in
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25 * the documentation and/or other materials provided with the
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26 * distribution.
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27 * 3. Neither the name of Guichan nor the names of its contributors may
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28 * be used to endorse or promote products derived from this software
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29 * without specific prior written permission.
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30 *
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31 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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32 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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33 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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34 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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35 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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36 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
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37 * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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38 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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39 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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40 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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41 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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42 */
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43
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44 #ifndef GCN_TEXTFIELD_HPP
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45 #define GCN_TEXTFIELD_HPP
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46
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47 #include "guichan/keylistener.hpp"
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48 #include "guichan/mouselistener.hpp"
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49 #include "guichan/platform.hpp"
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50 #include "guichan/widget.hpp"
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51
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52 #include <string>
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53
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54 namespace gcn
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55 {
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56 /**
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57 * An implementation of a text field where a user can enter a line of text.
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58 */
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59 class GCN_CORE_DECLSPEC TextField:
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60 public Widget,
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61 public MouseListener,
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62 public KeyListener
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63 {
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64 public:
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65 /**
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66 * Constructor.
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67 */
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68 TextField();
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69
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70 /**
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71 * Constructor. The text field will be automatically resized
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72 * to fit the text.
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73 *
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74 * @param text The default text of the text field.
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75 */
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76 TextField(const std::string& text);
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77
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78 /**
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79 * Sets the text of the text field.
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80 *
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81 * @param text The text of the text field.
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82 * @see getText
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83 */
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84 void setText(const std::string& text);
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85
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86 /**
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87 * Gets the text of the text field.
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88 *
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89 * @return The text of the text field.
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90 * @see setText
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91 */
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92 const std::string& getText() const;
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93
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94 /**
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95 * Adjusts the size of the text field to fit the text.
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96 */
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97 void adjustSize();
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98
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99 /**
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100 * Adjusts the height of the text field to fit caption.
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101 */
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102 void adjustHeight();
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103
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104 /**
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105 * Sets the caret position. As there is only one line of text
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106 * in a text field the position is the caret's x coordinate.
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107 *
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108 * @param position The caret position.
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109 * @see getCaretPosition
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110 */
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111 void setCaretPosition(unsigned int position);
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112
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113 /**
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114 * Gets the caret position. As there is only one line of text
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115 * in a text field the position is the caret's x coordinate.
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116 *
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117 * @return The caret position.
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118 * @see setCaretPosition
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119 */
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120 unsigned int getCaretPosition() const;
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121
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122
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123 // Inherited from Widget
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124
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125 virtual void fontChanged();
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126
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127 virtual void draw(Graphics* graphics);
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128
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129
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130 // Inherited from MouseListener
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131
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132 virtual void mousePressed(MouseEvent& mouseEvent);
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133
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134 virtual void mouseDragged(MouseEvent& mouseEvent);
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135
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136
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137 // Inherited from KeyListener
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138
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139 virtual void keyPressed(KeyEvent& keyEvent);
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140
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141 protected:
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142 /**
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143 * Draws the caret. Overloaded this method if you want to
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144 * change the style of the caret.
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145 *
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146 * @param graphics the Graphics object to draw with.
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147 * @param x the caret's x-position.
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148 */
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149 virtual void drawCaret(Graphics* graphics, int x);
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150
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151 /**
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152 * Scrolls the text horizontally so that the caret shows if needed.
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153 * The method is used any time a user types in the text field so the
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154 * caret always will be shown.
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155 */
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156 void fixScroll();
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157
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158 /**
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159 * Holds the text of the text box.
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160 */
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161 std::string mText;
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162
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163 /**
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164 * Holds the caret position.
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165 */
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166 unsigned int mCaretPosition;
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167
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168 /**
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169 * Holds the amount scrolled in x. If a user types more characters than
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170 * the text field can display, due to the text field being to small, the
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171 * text needs to scroll in order to show the last type character.
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172 */
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173 int mXScroll;
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174 };
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175 }
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176
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177 #endif // end GCN_TEXTFIELD_HPP