Mercurial > fife-parpg
annotate ext/guichan-0.8.1/include/guichan/widgets/dropdown.hpp @ 32:75b6394ced14
* 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 |
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date | Fri, 11 Jul 2008 15:37:16 +0000 |
parents | 4a0efb7baf70 |
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rev | line source |
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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_DROPDOWN_HPP |
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45 #define GCN_DROPDOWN_HPP |
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46 |
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47 #include "guichan/actionlistener.hpp" |
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48 #include "guichan/basiccontainer.hpp" |
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49 #include "guichan/deathlistener.hpp" |
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50 #include "guichan/focushandler.hpp" |
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51 #include "guichan/focuslistener.hpp" |
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52 #include "guichan/keylistener.hpp" |
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53 #include "guichan/listmodel.hpp" |
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54 #include "guichan/mouselistener.hpp" |
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55 #include "guichan/platform.hpp" |
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56 #include "guichan/selectionlistener.hpp" |
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57 #include "guichan/widgets/listbox.hpp" |
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58 #include "guichan/widgets/scrollarea.hpp" |
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59 |
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60 namespace gcn |
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61 { |
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62 /** |
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63 * An implementation of a drop downable list from which an item can be selected. |
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64 * The drop down consists of an internal ScrollArea and an internal ListBox. |
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65 * The drop down also uses an internal FocusHandler to handle the focus of the |
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66 * internal ScollArea and the internal ListBox. The scroll area and the list box |
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67 * can be passed to the drop down if a custom scroll area and or a custom list box |
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68 * is preferable. |
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69 * |
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70 * To be able display a list the drop down uses a user provided list model. |
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71 * A list model can be any class that implements the ListModel interface. |
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72 * |
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73 * If an item is selected in the drop down a select event will be sent to all selection |
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74 * listeners of the drop down. If an item is selected by using a mouse click or by using |
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75 * the enter or space key an action event will be sent to all action listeners of the |
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76 * drop down. |
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77 */ |
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78 class GCN_CORE_DECLSPEC DropDown : |
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79 public ActionListener, |
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80 public BasicContainer, |
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81 public KeyListener, |
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82 public MouseListener, |
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83 public FocusListener, |
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84 public SelectionListener |
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85 { |
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86 public: |
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87 /** |
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88 * Contructor. |
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89 * |
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90 * @param listModel the ListModel to use. |
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91 * @param scrollArea the ScrollArea to use. |
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92 * @param listBox the listBox to use. |
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93 * @see ListModel, ScrollArea, ListBox. |
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94 */ |
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95 DropDown(ListModel *listModel = NULL, |
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96 ScrollArea *scrollArea = NULL, |
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97 ListBox *listBox = NULL); |
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98 |
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99 /** |
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100 * Destructor. |
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101 */ |
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102 virtual ~DropDown(); |
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103 |
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104 /** |
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105 * Gets the selected item as an index in the list model. |
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106 * |
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107 * @return the selected item as an index in the list model. |
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108 * @see setSelected |
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109 */ |
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110 int getSelected() const; |
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111 |
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112 /** |
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113 * Sets the selected item. The selected item is represented by |
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114 * an index from the list model. |
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115 * |
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116 * @param selected the selected item as an index from the list model. |
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117 * @see getSelected |
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118 */ |
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119 void setSelected(int selected); |
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120 |
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121 /** |
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122 * Sets the list model to use when displaying the list. |
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123 * |
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124 * @param listModel the list model to use. |
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125 * @see getListModel |
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126 */ |
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127 void setListModel(ListModel *listModel); |
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128 |
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129 /** |
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130 * Gets the list model used. |
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131 * |
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132 * @return the ListModel used. |
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133 * @see setListModel |
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134 */ |
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135 ListModel *getListModel(); |
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136 |
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137 /** |
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138 * Adjusts the height of the drop down to fit the height of the |
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139 * drop down's parent's height. It's used to not make the drop down |
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140 * draw itself outside of it's parent if folded down. |
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141 */ |
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142 void adjustHeight(); |
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143 |
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144 /** |
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145 * Adds a selection listener to the drop down. When the selection |
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* Datasets becomes the new trunk and retires after that :-)
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146 * changes an event will be sent to all selection listeners of the |
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147 * drop down. |
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148 * |
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149 * @param selectionListener the selection listener to add. |
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150 * @since 0.8.0 |
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151 */ |
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152 void addSelectionListener(SelectionListener* selectionListener); |
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153 |
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154 /** |
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155 * Removes a selection listener from the drop down. |
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* Datasets becomes the new trunk and retires after that :-)
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156 * |
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157 * @param selectionListener the selection listener to remove. |
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158 * @since 0.8.0 |
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* Datasets becomes the new trunk and retires after that :-)
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159 */ |
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* Datasets becomes the new trunk and retires after that :-)
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160 void removeSelectionListener(SelectionListener* selectionListener); |
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* Datasets becomes the new trunk and retires after that :-)
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161 |
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162 |
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163 // Inherited from Widget |
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164 |
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* Datasets becomes the new trunk and retires after that :-)
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|
165 virtual void draw(Graphics* graphics); |
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* Datasets becomes the new trunk and retires after that :-)
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166 |
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167 void setBaseColor(const Color& color); |
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* Datasets becomes the new trunk and retires after that :-)
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168 |
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* Datasets becomes the new trunk and retires after that :-)
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169 void setBackgroundColor(const Color& color); |
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* Datasets becomes the new trunk and retires after that :-)
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170 |
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|
171 void setForegroundColor(const Color& color); |
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* Datasets becomes the new trunk and retires after that :-)
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172 |
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|
173 void setFont(Font *font); |
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* Datasets becomes the new trunk and retires after that :-)
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174 |
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* Datasets becomes the new trunk and retires after that :-)
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|
175 void setSelectionColor(const Color& color); |
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* Datasets becomes the new trunk and retires after that :-)
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176 |
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177 |
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178 // Inherited from BasicContainer |
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179 |
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|
180 virtual Rectangle getChildrenArea(); |
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* Datasets becomes the new trunk and retires after that :-)
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181 |
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182 |
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183 // Inherited from FocusListener |
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* Datasets becomes the new trunk and retires after that :-)
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184 |
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* Datasets becomes the new trunk and retires after that :-)
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|
185 virtual void focusLost(const Event& event); |
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* Datasets becomes the new trunk and retires after that :-)
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186 |
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* Datasets becomes the new trunk and retires after that :-)
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187 |
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* Datasets becomes the new trunk and retires after that :-)
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188 // Inherited from ActionListener |
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189 |
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* Datasets becomes the new trunk and retires after that :-)
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|
190 virtual void action(const ActionEvent& actionEvent); |
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* Datasets becomes the new trunk and retires after that :-)
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191 |
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* Datasets becomes the new trunk and retires after that :-)
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192 |
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* Datasets becomes the new trunk and retires after that :-)
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193 // Inherited from DeathListener |
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194 |
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* Datasets becomes the new trunk and retires after that :-)
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195 virtual void death(const Event& event); |
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* Datasets becomes the new trunk and retires after that :-)
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196 |
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|
197 |
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* Datasets becomes the new trunk and retires after that :-)
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198 // Inherited from KeyListener |
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199 |
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200 virtual void keyPressed(KeyEvent& keyEvent); |
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201 |
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202 |
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203 // Inherited from MouseListener |
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204 |
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205 virtual void mousePressed(MouseEvent& mouseEvent); |
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206 |
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207 virtual void mouseReleased(MouseEvent& mouseEvent); |
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208 |
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209 virtual void mouseWheelMovedUp(MouseEvent& mouseEvent); |
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210 |
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211 virtual void mouseWheelMovedDown(MouseEvent& mouseEvent); |
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212 |
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213 virtual void mouseDragged(MouseEvent& mouseEvent); |
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214 |
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215 |
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216 // Inherited from SelectionListener |
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217 |
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218 virtual void valueChanged(const SelectionEvent& event); |
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219 |
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220 protected: |
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221 /** |
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222 * Draws the button of the drop down. |
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223 * |
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224 * @param graphics a Graphics object to draw with. |
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225 */ |
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226 virtual void drawButton(Graphics *graphics); |
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227 |
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228 /** |
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229 * Sets the drop down to be dropped down. |
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230 */ |
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231 virtual void dropDown(); |
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232 |
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233 /** |
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234 * Sets the drop down to be folded up. |
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235 */ |
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236 virtual void foldUp(); |
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237 |
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238 /** |
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239 * Distributes a value changed event to all selection listeners |
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240 * of the drop down. |
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241 * |
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242 * @since 0.8.0 |
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243 */ |
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244 void distributeValueChangedEvent(); |
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245 |
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246 /** |
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247 * True if the drop down is dropped down, false otherwise. |
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248 */ |
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249 bool mDroppedDown; |
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250 |
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251 /** |
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252 * True if the drop down has been pushed with the mouse, false |
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253 * otherwise. |
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254 */ |
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255 bool mPushed; |
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256 |
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257 /** |
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258 * Holds what the height is if the drop down is folded up. Used when |
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259 * checking if the list of the drop down was clicked or if the upper part |
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260 * of the drop down was clicked on a mouse click |
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261 */ |
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262 int mFoldedUpHeight; |
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263 |
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264 /** |
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265 * The scroll area used. |
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266 */ |
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267 ScrollArea* mScrollArea; |
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268 |
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269 /** |
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270 * The list box used. |
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271 */ |
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272 ListBox* mListBox; |
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273 |
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274 /** |
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275 * The internal focus handler used to keep track of focus for the |
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276 * internal list box. |
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277 */ |
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278 FocusHandler mInternalFocusHandler; |
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279 |
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280 /** |
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281 * True if an internal scroll area is used, false if a scroll area |
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282 * has been passed to the drop down which the drop down should not |
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283 * deleted in it's destructor. |
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284 */ |
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285 bool mInternalScrollArea; |
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286 |
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287 /** |
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288 * True if an internal list box is used, false if a list box |
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289 * has been passed to the drop down which the drop down should not |
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290 * deleted in it's destructor. |
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291 */ |
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292 bool mInternalListBox; |
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293 |
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294 /** |
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295 * True if the drop down is dragged. |
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296 */ |
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297 bool mIsDragged; |
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298 |
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299 /** |
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300 * Typedef. |
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301 */ |
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302 typedef std::list<SelectionListener*> SelectionListenerList; |
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303 |
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304 /** |
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305 * The selection listener's of the drop down. |
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306 */ |
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307 SelectionListenerList mSelectionListeners; |
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308 |
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309 /** |
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310 * Typedef. |
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311 */ |
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312 typedef SelectionListenerList::iterator SelectionListenerIterator; |
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313 }; |
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314 } |
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315 |
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316 #endif // end GCN_DROPDOWN_HPP |