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annotate ext/guichan-0.8.1/examples/action.hpp @ 226:9b50a2702054

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Removed stale pychan.manager import.
author phoku@33b003aa-7bff-0310-803a-e67f0ece8222
date Fri, 20 Mar 2009 11:43:06 +0000
parents 4a0efb7baf70
children
rev   line source
0
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1 /**
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2 * Code to populate a global Gui object with an example of how to
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3 * use actions in Guichan.
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4 */
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5
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6 #include <guichan.hpp>
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7 #include <iostream>
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8 #include <sstream>
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9
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10 namespace action
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11 {
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12 gcn::Container* top;
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13 gcn::ImageFont* font;
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14 gcn::Button* button1;
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15 gcn::Button* button2;
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16 gcn::Label* label1;
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17 gcn::Label* label2;
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18
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19 int clickCountButton1 = 0; // Holds clicks for button1
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20 int clickCountButton2 = 0; // Holds clicks for button2
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21
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22 /*
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23 * To be able to recieve actions we must have a class inheriting from
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24 * ActionListener and implementing the action function.
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25 * When an action is generated in a Widget (i.e when a button is clicked)
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26 * that widget calls the action function for all its action listeners.
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27 * Below we make a class to be able to recieve our buttons actions.
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28 */
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29 class ButtonActionListener : public gcn::ActionListener
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30 {
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31 public:
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32 // Implement the action function in ActionListener to recieve actions
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33 // The eventId tells us which widget called the action function.
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34 void action(const gcn::ActionEvent& actionEvent)
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35 {
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36 std::string str;
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37 std::ostringstream os(str);
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38
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39 // Here we use the widget pointer to check which widget the action
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40 // originated from.
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41 if (actionEvent.getSource() == button1)
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42 {
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43 clickCountButton1++;
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44 os << "Button1 clicks " << clickCountButton1;
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45 // Change the caption to show number of clicks
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46 label1->setCaption(os.str());
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47 // Adjust the label to fit the new caption
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48 label1->adjustSize();
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49 }
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50 // Here we use the event id in order to check what action occured.
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51 else if (actionEvent.getId() == "button2")
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52 {
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53 clickCountButton2++;
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54 os << "Button2 clicks " << clickCountButton2;
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55 // Change the caption to show number of clicks
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56 label2->setCaption(os.str());
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57 // Adjust the label to fit the new caption
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58 label2->adjustSize();
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59 }
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60 }
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61 };
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62
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63 ButtonActionListener* buttonActionListener; // A pointer to the above class
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64
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65 /**
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66 * Initialises the widgets example by populating the global Gui
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67 * object.
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68 */
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69 void init()
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70 {
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71 // We first create a container to be used as the top widget.
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72 // The top widget in Guichan can be any kind of widget, but
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73 // in order to make the Gui contain more than one widget we
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74 // make the top widget a container.
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75 top = new gcn::Container();
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76 // We set the dimension of the top container to match the screen.
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77 top->setDimension(gcn::Rectangle(0, 0, 640, 480));
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78 // Finally we pass the top widget to the Gui object.
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79 globals::gui->setTop(top);
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80
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81 // Now we load the font used in this example.
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82 font = new gcn::ImageFont("fixedfont.bmp", " abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789");
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83 // Widgets may have a global font so we don't need to pass the
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84 // font object to every created widget. The global font is static.
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85 gcn::Widget::setGlobalFont(font);
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86
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87 // Now we create the buttons.
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88 button1 = new gcn::Button("Button 1");
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89 button2 = new gcn::Button("Button 2");
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90 button1->setPosition(120, 230);
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91 button2->setPosition(420, 230);
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92 // We add the buttons to the top container.
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93 top->add(button1);
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94 top->add(button2);
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95
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96 // Now we create the labels.
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97 label1 = new gcn::Label("Button1 clicks 0");
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98 label2 = new gcn::Label("Button2 clicks 0");
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99 label1->setPosition(100, 200);
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100 label2->setPosition(400, 200);
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101 // We add the labels to the top container.
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102 top->add(label1);
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103 top->add(label2);
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104
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105 // Now we set the button's action event ids.
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106 button1->setActionEventId("button1");
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107 button2->setActionEventId("button2");
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108
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mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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109 // We make an instance of the ButtonActionListener.
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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110 buttonActionListener = new ButtonActionListener();
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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111
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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112 // And add the ButtonActionListener as an action listener of the buttons.
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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113 button1->addActionListener(buttonActionListener);
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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114 button2->addActionListener(buttonActionListener);
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mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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115 }
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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116
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mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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117 /**
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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118 * Halts the action example.
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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119 */
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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120 void halt()
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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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 delete buttonActionListener;
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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123 delete label1;
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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124 delete label2;
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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125 delete button1;
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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126 delete button2;
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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127 delete font;
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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128 delete top;
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mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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129 }
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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130 }