为什么我的emwin的edit显示不正常，鼠标划过才变成白色，内容才能正常显示。

余一水

来个大神帮看看吧，我发现不管是edit还是什么，只要是可以显示文本的都是黑色的，比如还有上下可以调数值的，也是黑色。。。。。 但是button按钮，滑块这种就是正常的。

1. #include "DIALOG.h"
2. #include "FramewinDLG.h"
3. /*********************************************************************
4. *
5. *       Defines
6. *
7. **********************************************************************
8. */
9. #define ID_FRAMEWIN_0 (GUI_ID_USER + 0x00)
10. #define ID_EDIT_0 (GUI_ID_USER + 0x01)
11. #define ID_EDIT_1 (GUI_ID_USER + 0x02)
12. #define ID_EDIT_2 (GUI_ID_USER + 0x06)
13. #define ID_BUTTON_0 (GUI_ID_USER + 0x07)
14. #define ID_BUTTON_1 (GUI_ID_USER + 0x08)
15. #define ID_CHECKBOX_0 (GUI_ID_USER + 0x09)
16. #define ID_TEXT_0 (GUI_ID_USER + 0x0A)
17. #define ID_SLIDER_0 (GUI_ID_USER + 0x0B)
18. #define ID_SPINBOX_0 (GUI_ID_USER + 0x0C)
19. #define ID_MULTIEDIT_0 (GUI_ID_USER + 0x0D)
20. #define ID_PROGBAR_0 (GUI_ID_USER + 0x0E)
21. #define ID_BUTTON_2 (GUI_ID_USER + 0x10)
24. // USER START (Optionally insert additional defines)
25. // USER END
27. /*********************************************************************
28. *
29. *       Static data
30. *
31. **********************************************************************
32. */
34. // USER START (Optionally insert additional static data)
35. // USER END
37. /*********************************************************************
38. *
39. *       _aDialogCreate
40. */
41. static const GUI_WIDGET_CREATE_INFO _aDialogCreate[] = {
42.   { FRAMEWIN_CreateIndirect, "Framewin", ID_FRAMEWIN_0, 0, 0, 854, 480, 0, 0x0, 0 },
43.   { EDIT_CreateIndirect, "Edit", ID_EDIT_0, 719, 17, 80, 20, 0, 0x64, 0 },
44.   { EDIT_CreateIndirect, "Edit", ID_EDIT_1, 717, 48, 80, 20, 0, 0x64, 0 },
45.   { EDIT_CreateIndirect, "Edit", ID_EDIT_2, 720, 79, 80, 20, 0, 0x64, 0 },
46.   { BUTTON_CreateIndirect, "Button", ID_BUTTON_0, 694, 160, 80, 20, 0, 0x0, 0 },
47.   { BUTTON_CreateIndirect, "Button", ID_BUTTON_1, 701, 200, 80, 20, 0, 0x0, 0 },
48.   { CHECKBOX_CreateIndirect, "Checkbox", ID_CHECKBOX_0, 711, 248, 80, 20, 0, 0x0, 0 },
49.   { TEXT_CreateIndirect, "Text", ID_TEXT_0, 594, 30, 80, 20, 0, 0x0, 0 },
50.   { SLIDER_CreateIndirect, "Slider", ID_SLIDER_0, 697, 305, 80, 20, 0, 0x0, 0 },
51.   { SPINBOX_CreateIndirect, "Spinbox", ID_SPINBOX_0, 692, 364, 80, 20, 0, 0x0, 0 },
52.   { MULTIEDIT_CreateIndirect, "Multiedit", ID_MULTIEDIT_0, 607, 347, 55, 35, 0, 0x0, 0 },
53.   { PROGBAR_CreateIndirect, "Progbar", ID_PROGBAR_0, 745, 405, 80, 20, 0, 0x0, 0 },
54.   { BUTTON_CreateIndirect, "Button", ID_BUTTON_2, 749, 433, 80, 20, 0, 0x0, 0 },
55.   // USER START (Optionally insert additional widgets)
56.   // USER END
57. };
59. /*********************************************************************
60. *
61. *       Static code
62. *
63. **********************************************************************
64. */
66. // USER START (Optionally insert additional static code)
67. // USER END
69. /*********************************************************************
70. *
71. *       _cbDialog
72. */
73. static void _cbDialog(WM_MESSAGE * pMsg) {
74.   WM_HWIN hItem;
75.   int     NCode;
76.   int     Id;
77.   // USER START (Optionally insert additional variables)
78.   // USER END
80.   switch (pMsg->MsgId) {
81.   case WM_INIT_DIALOG:
82.     //
83.     // Initialization of 'Edit'
84.     //
85.     hItem = WM_GetDialogItem(pMsg->hWin, ID_EDIT_0);
86.     EDIT_SetText(hItem, "123");
87.     //
88.     // Initialization of 'Edit'
89.     //
90.     hItem = WM_GetDialogItem(pMsg->hWin, ID_EDIT_1);
91.     EDIT_SetText(hItem, "123");
92.     //
93.     // Initialization of 'Edit'
94.     //
95.     hItem = WM_GetDialogItem(pMsg->hWin, ID_EDIT_2);
96.     EDIT_SetText(hItem, "123");
97.     //
98.     // Initialization of 'Checkbox'
99.     //
100.     hItem = WM_GetDialogItem(pMsg->hWin, ID_CHECKBOX_0);
101.     CHECKBOX_SetText(hItem, "Check");
102.     //
103.     // Initialization of 'Multiedit'
104.     //
105.     hItem = WM_GetDialogItem(pMsg->hWin, ID_MULTIEDIT_0);
106.     MULTIEDIT_SetText(hItem, "Multiedit");
107.     // USER START (Optionally insert additional code for further widget initialization)
108.     // USER END
109.     break;
110.   case WM_NOTIFY_PARENT:
111.     Id    = WM_GetId(pMsg->hWinSrc);
112.     NCode = pMsg->Data.v;
113.     switch(Id) {
114.     case ID_EDIT_0: // Notifications sent by 'Edit'
115.       switch(NCode) {
116.       case WM_NOTIFICATION_CLICKED:
117.         // USER START (Optionally insert code for reacting on notification message)
118.         // USER END
119.         break;
120.       case WM_NOTIFICATION_RELEASED:
121.         // USER START (Optionally insert code for reacting on notification message)
122.         // USER END
123.         break;
124.       case WM_NOTIFICATION_VALUE_CHANGED:
125.         // USER START (Optionally insert code for reacting on notification message)
126.         // USER END
127.         break;
128.       // USER START (Optionally insert additional code for further notification handling)
129.       // USER END
130.       }
131.       break;
132.     case ID_EDIT_1: // Notifications sent by 'Edit'
133.       switch(NCode) {
134.       case WM_NOTIFICATION_CLICKED:
135.         // USER START (Optionally insert code for reacting on notification message)
136.         // USER END
137.         break;
138.       case WM_NOTIFICATION_RELEASED:
139.         // USER START (Optionally insert code for reacting on notification message)
140.         // USER END
141.         break;
142.       case WM_NOTIFICATION_VALUE_CHANGED:
143.         // USER START (Optionally insert code for reacting on notification message)
144.         // USER END
145.         break;
146.       // USER START (Optionally insert additional code for further notification handling)
147.       // USER END
148.       }
149.       break;
150.     case ID_EDIT_2: // Notifications sent by 'Edit'
151.       switch(NCode) {
152.       case WM_NOTIFICATION_CLICKED:
153.         // USER START (Optionally insert code for reacting on notification message)
154.         // USER END
155.         break;
156.       case WM_NOTIFICATION_RELEASED:
157.         // USER START (Optionally insert code for reacting on notification message)
158.         // USER END
159.         break;
160.       case WM_NOTIFICATION_VALUE_CHANGED:
161.         // USER START (Optionally insert code for reacting on notification message)
162.         // USER END
163.         break;
164.       // USER START (Optionally insert additional code for further notification handling)
165.       // USER END
166.       }
167.       break;
168.     case ID_BUTTON_0: // Notifications sent by 'Button'
169.       switch(NCode) {
170.       case WM_NOTIFICATION_CLICKED:
171.         // USER START (Optionally insert code for reacting on notification message)
172.         // USER END
173.         break;
174.       case WM_NOTIFICATION_RELEASED:
175.         // USER START (Optionally insert code for reacting on notification message)
176.         // USER END
177.         break;
178.       // USER START (Optionally insert additional code for further notification handling)
179.       // USER END
180.       }
181.       break;
182.     case ID_BUTTON_1: // Notifications sent by 'Button'
183.       switch(NCode) {
184.       case WM_NOTIFICATION_CLICKED:
185.         // USER START (Optionally insert code for reacting on notification message)
186.         // USER END
187.         break;
188.       case WM_NOTIFICATION_RELEASED:
189.         // USER START (Optionally insert code for reacting on notification message)
190.         // USER END
191.         break;
192.       // USER START (Optionally insert additional code for further notification handling)
193.       // USER END
194.       }
195.       break;
196.     case ID_CHECKBOX_0: // Notifications sent by 'Checkbox'
197.       switch(NCode) {
198.       case WM_NOTIFICATION_CLICKED:
199.         // USER START (Optionally insert code for reacting on notification message)
200.         // USER END
201.         break;
202.       case WM_NOTIFICATION_RELEASED:
203.         // USER START (Optionally insert code for reacting on notification message)
204.         // USER END
205.         break;
206.       case WM_NOTIFICATION_VALUE_CHANGED:
207.         // USER START (Optionally insert code for reacting on notification message)
208.         // USER END
209.         break;
210.       // USER START (Optionally insert additional code for further notification handling)
211.       // USER END
212.       }
213.       break;
214.     case ID_SLIDER_0: // Notifications sent by 'Slider'
215.       switch(NCode) {
216.       case WM_NOTIFICATION_CLICKED:
217.         // USER START (Optionally insert code for reacting on notification message)
218.         // USER END
219.         break;
220.       case WM_NOTIFICATION_RELEASED:
221.         // USER START (Optionally insert code for reacting on notification message)
222.         // USER END
223.         break;
224.       case WM_NOTIFICATION_VALUE_CHANGED:
225.         // USER START (Optionally insert code for reacting on notification message)
226.         // USER END
227.         break;
228.       // USER START (Optionally insert additional code for further notification handling)
229.       // USER END
230.       }
231.       break;
232.     case ID_SPINBOX_0: // Notifications sent by 'Spinbox'
233.       switch(NCode) {
234.       case WM_NOTIFICATION_CLICKED:
235.         // USER START (Optionally insert code for reacting on notification message)
236.         // USER END
237.         break;
238.       case WM_NOTIFICATION_RELEASED:
239.         // USER START (Optionally insert code for reacting on notification message)
240.         // USER END
241.         break;
242.       case WM_NOTIFICATION_MOVED_OUT:
243.         // USER START (Optionally insert code for reacting on notification message)
244.         // USER END
245.         break;
246.       case WM_NOTIFICATION_VALUE_CHANGED:
247.         // USER START (Optionally insert code for reacting on notification message)
248.         // USER END
249.         break;
250.       // USER START (Optionally insert additional code for further notification handling)
251.       // USER END
252.       }
253.       break;
254.     case ID_MULTIEDIT_0: // Notifications sent by 'Multiedit'
255.       switch(NCode) {
256.       case WM_NOTIFICATION_CLICKED:
257.         // USER START (Optionally insert code for reacting on notification message)
258.         // USER END
259.         break;
260.       case WM_NOTIFICATION_RELEASED:
261.         // USER START (Optionally insert code for reacting on notification message)
262.         // USER END
263.         break;
264.       case WM_NOTIFICATION_VALUE_CHANGED:
265.         // USER START (Optionally insert code for reacting on notification message)
266.         // USER END
267.         break;
268.       // USER START (Optionally insert additional code for further notification handling)
269.       // USER END
270.       }
271.       break;
272.     case ID_BUTTON_2: // Notifications sent by 'Button'
273.       switch(NCode) {
274.       case WM_NOTIFICATION_CLICKED:
275.         // USER START (Optionally insert code for reacting on notification message)
276.         // USER END
277.         break;
278.       case WM_NOTIFICATION_RELEASED:
279.         // USER START (Optionally insert code for reacting on notification message)
280.         // USER END
281.         break;
282.       // USER START (Optionally insert additional code for further notification handling)
283.       // USER END
284.       }
285.       break;
286.     // USER START (Optionally insert additional code for further Ids)
287.     // USER END
288.     }
289.     break;
290.   // USER START (Optionally insert additional message handling)
291.   // USER END
292.   default:
293.     WM_DefaultProc(pMsg);
294.     break;
295.   }
296. }
298. /*********************************************************************
299. *
300. *       Public code
301. *
302. **********************************************************************
303. */
304. /*********************************************************************
305. *
306. *       CreateFramewin
307. */
308. WM_HWIN CreateFramewin(void);
309. WM_HWIN CreateFramewin(void) {
310.   WM_HWIN hWin;
312.   hWin = GUI_CreateDialogBox(_aDialogCreate, GUI_COUNTOF(_aDialogCreate), _cbDialog, WM_HBKWIN, 0, 0);
313.   return hWin;
314. }
316. // USER START (Optionally insert additional public code)
317. // USER END
319. /*************************** End of file ****************************/
320. void MainTask(void) {
321.   GUI_Init();
322.      WM_SetCreateFlags(WM_CF_MEMDEV);
323.   while(1) {
324.     CreateFramewin();
325.         GUI_Delay(10);
326.         GUI_Exec();
327.   }
328. }

复制代码

eric2013

先将函数CreateFramewin();放在while循环外面调用，这个函数仅需要调用一次即可。
另外就是GUI_Delay，GUI_Exec或者WM_Exec调用一个就可以了，一般我们都调用GUI_Delay，因为此函数除了延迟的作用，内部也调用GUI_Exec。