cocos2dx2.2.2登录场景中Checkbox选择框的实现

 1 #ifndef __MyGame__CCCheckbox__
 2 #define __MyGame__CCCheckbox__
 3 
 4 #include "cocos2d.h"
 5 using namespace cocos2d;
 6 
 7 class CCCheckbox:public CCSprite{
 8 public:
 9     //创建checkbox
10     static CCSprite * create(const char * picNoSelect,const char * picSelect,const char * content  ,int status = 0);
11     
12     //点击操作
13     int click();
14     
15 private:
16     //获取当前状态
17     int getStatus();
18 };
19 
20 #endif /* defined(__MyGame__CCCheckbox__) */

 1 #include "CCCheckbox.h"
 2 #include "cocos2d.h"
 3 
 4 using namespace cocos2d;
 5 
 6 //创建,参数：未选中图片名，选中图片名，文字，状态（0-未选中，1-选中）
 7 CCSprite * CCCheckbox::create(const char * picNoSelect, const char * picSelect, const char * content, int status)
 8 {
 9     CCSprite * sp = CCSprite::create();
10     
11     //checkbox
12     CCSprite * sp_checkbox_select = CCSprite::create(picSelect);
13     CCSprite * sp_checkbox_noSelect = CCSprite::create(picNoSelect);
14     CCSize size_checkbox = sp_checkbox_noSelect->getContentSize();
15     
16     //文字
17     CCLabelTTF * label_content = CCLabelTTF::create(content, "Arial", 20);
18     label_content->setColor(ccBLACK);
19     label_content->setHorizontalAlignment(kCCTextAlignmentLeft); //左对齐
20     CCSize size_content = label_content->getContentSize();
21     
22     //缩放比例
23     float scale_h = size_checkbox.height / size_content.height;
24     
25     //缩放文字
26     label_content->cocos2d::CCNode::setScale(scale_h, scale_h);
27     
28     //最终大小
29     CCSize size = CCSize(size_checkbox.width * 2 + size_content.width * scale_h , size_checkbox.height * 1.5);
30     sp->setContentSize(size);
31     
32     //设置checkbox状态
33     sp->addChild(sp_checkbox_noSelect);
34     sp->addChild(sp_checkbox_select);
35     sp_checkbox_noSelect->setPosition(CCPointMake(size_checkbox.width,size.height/2));
36     sp_checkbox_select->setPosition(CCPointMake(size_checkbox.width,size.height/2));
37     sp_checkbox_noSelect->setTag(0); //不选中tag＝0
38     sp_checkbox_select->setTag(1); //选中tag＝1
39     
40     if (status == 0)
41     {
42         //设置未选中状态
43         sp_checkbox_noSelect->setVisible(true);
44         sp_checkbox_select->setVisible(false);
45     }
46     else
47     {
48         //设置选中状态
49         sp_checkbox_noSelect->setVisible(false);
50         sp_checkbox_select->setVisible(true);
51     }
52     
53     //设置文字位置
54     sp->addChild(label_content);
55     label_content->setAnchorPoint(CCPoint(0,0.5));
56     label_content->setPosition(CCPointMake(size_checkbox.width * 2, size.height/2));
57     
58     return sp;
59 }
60 
61 //点击操作
62 int CCCheckbox::click()
63 {
64     int status = getStatus();
65     CCSprite * sp_checkbox_noSelect = (CCSprite *)(this->getChildByTag(0));
66     CCSprite * sp_checkbox_select = (CCSprite *)(this->getChildByTag(1));
67     
68     if (status == 0)
69     {
70         status = 1;//状态设置为选中
71         sp_checkbox_noSelect->setVisible(false);
72         sp_checkbox_select->setVisible(true);
73     }
74     else
75     {
76         status = 0;//状态设置为未选中
77         sp_checkbox_noSelect->setVisible(true);
78         sp_checkbox_select->setVisible(false);
79     }
80     
81     return status;
82 }
83 
84 //获取当前状态,0-未选中，1-选中
85 int CCCheckbox::getStatus()
86 {
87     CCSprite * sp_checkbox_noSelect = (CCSprite *)(this->getChildByTag(0));
88     int status = 0; //未选中
89     if (!sp_checkbox_noSelect->isVisible())
90     {
91         status = 1;//选中
92     }
93     
94     return status;
95 }

1 //自动登录
2 CCSprite * spriteAuto = CCCheckbox::create("checkbox_normal.png", "checkbox_select.png", "自动登录", 0);
3 CCMenuItemSprite * itemAuto = CCMenuItemSprite::create(spriteAuto, spriteAuto,this,menu_selector(LoginHandleLayer::clickCheckbox));

 1 //点击checkbox
 2 void LoginHandleLayer::clickCheckbox(CCObject * pSender)
 3 {
 4     CCLog("clickCheckbox");
 5     
 6     CCMenuItemSprite * item = (CCMenuItemSprite *)pSender;
 7     CCCheckbox * checkbox = (CCCheckbox *)(item->getNormalImage());
 8     int status = checkbox->click();
 9     
10     CCLog("status:%d",status);
11 }