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CPI_InterfacePart_CommandButton.c
资源名称：VC++视频传输.rar　[点击查看]
上传用户：hxb_1234
上传日期：2010-03-30
资源大小：8328k
文件大小：5k
源码类别：

VC书籍

开发平台：

Visual C++

CPI_InterfacePart_CommandButton.c：源码内容
  2. ////////////////////////////////////////////////////////////////////////////////
  6. #include "stdafx.h"
  7. #include "globals.h"
  8. #include "CPI_InterfacePart.h"
  11. ////////////////////////////////////////////////////////////////////////////////
  12. //
  13. typedef struct _CPs_IPCommandButton
  14. {
  15.     CPs_Image_WithState* m_pStateImage;
  16.     CPe_ImageState m_enCurrentState;
  17.     wp_Verb m_pfnVerb;
  18.     BOOL m_bDown;
  20. } CPs_IPCommandButton;
  21. //
  22. ////////////////////////////////////////////////////////////////////////////////
  26. void IPCB_Destroy_PrivateData(CP_HINTERFACEPART hPart);
  27. void IPCB_Draw(CP_HINTERFACEPART hPart, CPs_DrawContext* pContext);
  28. void IPCB_onMouseIn(CP_HINTERFACEPART hPart);
  29. void IPCB_onMouseOut(CP_HINTERFACEPART hPart);
  30. void IPCB_onMouseButton_LDown(CP_HINTERFACEPART hPart, const POINTS ptMouse);
  31. void IPCB_onMouseButton_LUp(CP_HINTERFACEPART hPart, const POINTS ptMouse);
  32. ////////////////////////////////////////////////////////////////////////////////
  33. //
  34. //
  35. //
  36. CP_HINTERFACEPART IP_Create_CommandButton(wp_Verb pfnVerb, CPs_Image_WithState* pImageWS)
  37. {
  38.     CPs_InterfacePart* pNewPart;
  39.     CPs_IPCommandButton* pCustomData;
  41.     // Setup custom data
  42.     pCustomData = (CPs_IPCommandButton*)malloc(sizeof(*pCustomData));
  43.     pCustomData->m_pStateImage = pImageWS;
  44.     pCustomData->m_enCurrentState = igsQuiescent;
  45.     pCustomData->m_pfnVerb = pfnVerb;
  46.     pCustomData->m_bDown = FALSE;
  48.     // Create new part and setup callbacks
  49.     pNewPart = (CPs_InterfacePart*)malloc(sizeof(*pNewPart));
  50.     memset(pNewPart, 0, sizeof(*pNewPart));
  51.     pNewPart->Destroy_PrivateData = IPCB_Destroy_PrivateData;
  52.     pNewPart->Draw = IPCB_Draw;
  53.     pNewPart->onMouseIn = IPCB_onMouseIn;
  54.     pNewPart->onMouseOut = IPCB_onMouseOut;
  55.     pNewPart->onMouseButton_LDown = IPCB_onMouseButton_LDown;
  56.     pNewPart->onMouseButton_LUp = IPCB_onMouseButton_LUp;
  57.     pNewPart->m_pPrivateData = pCustomData;
  59.     return pNewPart;
  60. }
  61. //
  62. //
  63. //
  64. void IPCB_Draw(CP_HINTERFACEPART hPart, CPs_DrawContext* pContext)
  65. {
  66.     CPs_InterfacePart* pIP;
  67.     CPs_IPCommandButton* pIPCB;
  69.     // Init
  70.     pIP = (CPs_InterfacePart*)hPart;
  71.     CP_CHECKOBJECT(pIP);
  72.     pIPCB = (CPs_IPCommandButton*)pIP->m_pPrivateData;
  73.     CP_CHECKOBJECT(pIPCB);
  75.     // Perform drawing
  76.     CPIG_DrawStateImage(pContext,
  77.                         pIP->m_rLocation.left, pIP->m_rLocation.top,
  78.                         pIPCB->m_pStateImage, pIPCB->m_enCurrentState);
  79. }
  80. //
  81. //
  82. //
  83. void IPCB_Destroy_PrivateData(CP_HINTERFACEPART hPart)
  84. {
  85.     CPs_InterfacePart* pIP;
  86.     CPs_IPCommandButton* pIPCB;
  88.     // Init
  89.     pIP = (CPs_InterfacePart*)hPart;
  90.     CP_CHECKOBJECT(pIP);
  91.     pIPCB = (CPs_IPCommandButton*)pIP->m_pPrivateData;
  92.     CP_CHECKOBJECT(pIPCB);
  94.     free(pIPCB);
  95. }
  96. //
  97. //
  98. //
  99. void IPCB_onMouseIn(CP_HINTERFACEPART hPart)
  100. {
  101.     CPs_InterfacePart* pIP;
  102.     CPs_IPCommandButton* pIPCB;
  104.     // Init
  105.     pIP = (CPs_InterfacePart*)hPart;
  106.     CP_CHECKOBJECT(pIP);
  107.     pIPCB = (CPs_IPCommandButton*)pIP->m_pPrivateData;
  108.     CP_CHECKOBJECT(pIPCB);
  110.     // Handler
  111.     if(pIPCB->m_bDown)
  112.         pIPCB->m_enCurrentState = igsActive;
  113.     else
  114.         pIPCB->m_enCurrentState = igsFloatActive;
  115.     IP_Invalidate(hPart);
  116. }
  117. //
  118. //
  119. //
  120. void IPCB_onMouseOut(CP_HINTERFACEPART hPart)
  121. {
  122.     CPs_InterfacePart* pIP;
  123.     CPs_IPCommandButton* pIPCB;
  125.     // Init
  126.     pIP = (CPs_InterfacePart*)hPart;
  127.     CP_CHECKOBJECT(pIP);
  128.     pIPCB = (CPs_IPCommandButton*)pIP->m_pPrivateData;
  129.     CP_CHECKOBJECT(pIPCB);
  131.     // Handler
  132.     pIPCB->m_enCurrentState = igsQuiescent;
  133.     IP_Invalidate(hPart);
  134. }
  135. //
  136. //
  137. //
  138. void IPCB_onMouseButton_LDown(CP_HINTERFACEPART hPart, const POINTS ptMouse)
  139. {
  140.     CPs_InterfacePart* pIP;
  141.     CPs_IPCommandButton* pIPCB;
  143.     // Init
  144.     pIP = (CPs_InterfacePart*)hPart;
  145.     CP_CHECKOBJECT(pIP);
  146.     pIPCB = (CPs_IPCommandButton*)pIP->m_pPrivateData;
  147.     CP_CHECKOBJECT(pIPCB);
  149.     // Handler
  150.     pIPCB->m_bDown = TRUE;
  151.     if(pIPCB->m_enCurrentState == igsFloatActive)
  152.         pIPCB->m_enCurrentState = igsActive;
  153.     IP_Invalidate(hPart);
  154. }
  155. //
  156. //
  157. //
  158. void IPCB_onMouseButton_LUp(CP_HINTERFACEPART hPart, const POINTS ptMouse)
  159. {
  160.     CPs_InterfacePart* pIP;
  161.     CPs_IPCommandButton* pIPCB;
  163.     // Init
  164.     pIP = (CPs_InterfacePart*)hPart;
  165.     CP_CHECKOBJECT(pIP);
  166.     pIPCB = (CPs_IPCommandButton*)pIP->m_pPrivateData;
  167.     CP_CHECKOBJECT(pIPCB);
  169.     // Handler
  170.     pIPCB->m_bDown = FALSE;
  171.     if(pIPCB->m_enCurrentState == igsActive)
  172.     {
  173.         // Mouse is still inside control
  174.         pIPCB->m_enCurrentState = igsFloatActive;
  175.         if(pIPCB->m_pfnVerb)
  176.             pIPCB->m_pfnVerb(vaDoVerb, NULL);
  177.     }
  178.     IP_Invalidate(hPart);
  179. }
  180. //
  181. //
  182. //