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我在做ucGUI界面，按下up键后，可以在表面的四个虚拟键上切换，现在碰到一个问题，就是在按下UP键后，跳过一个页面，是什么原因，程序是下面的！
#include #include "MyGui.h" #include #include #include #include "FRAMEWIN.h" #include "BUTTON.h" #include "BUTTON_Private.h" #include "GUI_Protected.h" extern const GUI_BITMAP bmtu_1; extern const GUI_BITMAP bmtu_2; extern const GUI_BITMAP bmtu_3; extern const GUI_BITMAP bmtu_4; extern const GUI_BITMAP bmtu_5; unsigned int zhu_jie_mian_id=1; static void Main_Callback(WM_MESSAGE * pMsg) { int id = 0; switch (pMsg->MsgId) { case WM_KEY: switch (((WM_KEY_INFO *)(pMsg->Data.p))->Key) { case GUI_KEY_UP: zhu_jie_mian_id++; switch(zhu_jie_mian_id) { case 1: GUI_DrawBitmap(&bmtu_1,0,0); break; case 2: GUI_DrawBitmap(&bmtu_2,0,0); break; case 3: GUI_DrawBitmap(&bmtu_3,0,0); break; case 4: GUI_DrawBitmap(&bmtu_4,0,0); break; } break; case GUI_KEY_DOWN: zhu_jie_mian_id--; switch(zhu_jie_mian_id) { case 1: GUI_DrawBitmap(&bmtu_1,0,0); break; case 2: GUI_DrawBitmap(&bmtu_2,0,0); break; case 3: GUI_DrawBitmap(&bmtu_3,0,0); break; case 4: GUI_DrawBitmap(&bmtu_4,0,0); break; } //if(zhu_jie_mian_id == 0) // zhu_jie_mian_id = 1; break; case GUI_KEY_ESCAPE: break; case GUI_KEY_ENTER: break; } break; default: WM_DefaultProc(pMsg); } } static void Main_Create(void) { GUI_HWIN hWin = 0; GUI_SetBkColor(GUI_BLACK); GUI_Clear(); //建立新窗口 hWin = FRAMEWIN_Create( NULL, NULL , FRAMEWIN_CF_ACTIVE,0,0,640, 480); //hWin = WM_GetFirstChild(m_MainWin.hFrame); //获得窗口桌面 GUI_SetDrawMode(GUI_DRAWMODE_NORMAL); GUI_DrawBitmap(&bmtu_1,0,0); /*if(zhu_jie_mian_id == 1) GUI_DrawBitmap(&bmtu_1,0,0); if(zhu_jie_mian_id == 2) GUI_DrawBitmap(&bmtu_2,0,0); if(zhu_jie_mian_id == 3) GUI_DrawBitmap(&bmtu_3,0,0); if(zhu_jie_mian_id == 4) GUI_DrawBitmap(&bmtu_4,0,0);*/ WM_SetCallback(WM_HBKWIN,Main_Callback); WM_SetFocus(hWin); } void Test(void) { //WINAPP_NumpadInit(); Main_Create(); } 
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case 1:
GUI_DrawBitmap(&bmtu_1,0,0); break; case 2: GUI_DrawBitmap(&bmtu_2,0,0); break; case 3: GUI_DrawBitmap(&bmtu_3,0,0); break; case 4: GUI_DrawBitmap(&bmtu_4,0,0); break; } |
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这样的哦
case 1: GUI_DrawBitmap(&bmtu_1,0,0); break; case 2: GUI_DrawBitmap(&bmtu_2,0,0); break; case 3: GUI_DrawBitmap(&bmtu_3,0,0); break; case 4: GUI_DrawBitmap(&bmtu_4,0,0); break; } |
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这里出问题
case 1: GUI_DrawBitmap(&bmtu_1,0,0); break; case 2: GUI_DrawBitmap(&bmtu_2,0,0); break; case 3: GUI_DrawBitmap(&bmtu_3,0,0); break; case 4: GUI_DrawBitmap(&bmtu_4,0,0); break; } |
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