程序代码如下：
#include "DIALOG.h"
/*********************************************************************
*
* Defines
*
**********************************************************************
*/
//
// Recommended memory to run the sample with adequate performance
//
#define RECOMMENDED_MEMORY (1024L * 10)
/*********************************************************************
*
* Static data
*
**********************************************************************
*/
//
// Bitmap data for arrow keys
//
static GUI_CONST_STORAGE GUI_COLOR _aColorsArrow[] = {
0xFFFFFF, 0x000000
};
static GUI_CONST_STORAGE GUI_LOGPALETTE _PalArrow = {
2, /* number of entries */
1, /* No transparency */
&_aColorsArrow[0]
};
static GUI_CONST_STORAGE unsigned char _acArrowRight[] = {
____XX__, ________,
____XXXX, ________,
XXXXXXXX, XX______,
____XXXX, ________,
____XX__, ________
};
static GUI_CONST_STORAGE unsigned char _acArrowLeft[] = {
____XX__, ________,
__XXXX__, ________,
XXXXXXXX, XX______,
__XXXX__, ________,
____XX__, ________
};
static GUI_CONST_STORAGE GUI_BITMAP _bmArrowRight = {
10, /* XSize */
5, /* YSize */
2, /* BytesPerLine */
1, /* BitsPerPixel */
_acArrowRight, /* Pointer to picture data (indices) */
&_PalArrow /* Pointer to palette */
};
static GUI_CONST_STORAGE GUI_BITMAP _bmArrowLeft = {
10, /* XSize */
5, /* YSize */
2, /* BytesPerLine */
1, /* BitsPerPixel */
_acArrowLeft, /* Pointer to picture data (indices) */
&_PalArrow /* Pointer to palette */
};
//
// Array of keys
//
static int _aKey[] = {GUI_KEY_DELETE, GUI_KEY_TAB, GUI_KEY_LEFT, GUI_KEY_RIGHT}; //--------------（1）
//
// Dialog resource of numpad
//
static const GUI_WIDGET_CREATE_INFO _aDialogNumPad[] = { //--------------（2）
//
// Function Text Id Px Py Dx Dy
//
{ WINDOW_CreateIndirect, 0, 0, 225, 110, 95, 130},
{ BUTTON_CreateIndirect, "7", GUI_ID_USER + 7, 5, 5, 25, 20},
{ BUTTON_CreateIndirect, "8", GUI_ID_USER + 8, 35, 5, 25, 20},
{ BUTTON_CreateIndirect, "9", GUI_ID_USER + 9, 65, 5, 25, 20},
{ BUTTON_CreateIndirect, "4", GUI_ID_USER + 4, 5, 30, 25, 20},
{ BUTTON_CreateIndirect, "5", GUI_ID_USER + 5, 35, 30, 25, 20},
{ BUTTON_CreateIndirect, "6", GUI_ID_USER + 6, 65, 30, 25, 20},
{ BUTTON_CreateIndirect, "1", GUI_ID_USER + 1, 5, 55, 25, 20},
{ BUTTON_CreateIndirect, "2", GUI_ID_USER + 2, 35, 55, 25, 20},
{ BUTTON_CreateIndirect, "3", GUI_ID_USER + 3, 65, 55, 25, 20},
{ BUTTON_CreateIndirect, "0", GUI_ID_USER + 0, 5, 80, 25, 20},
{ BUTTON_CreateIndirect, ".", GUI_ID_USER + 10, 35, 80, 25, 20},
{ BUTTON_CreateIndirect, "Del", GUI_ID_USER + 11, 65, 80, 25, 20},
{ BUTTON_CreateIndirect, "Tab", GUI_ID_USER + 12, 5, 105, 25, 20},
{ BUTTON_CreateIndirect, 0, GUI_ID_USER + 13, 35, 105, 25, 20},
{ BUTTON_CreateIndirect, 0, GUI_ID_USER + 14, 65, 105, 25, 20},
};
//
// Dialog resource of user dialog
//
static const GUI_WIDGET_CREATE_INFO _aDialogUser[] = { //--------------（3）
//
// Function Text Id Px Py Dx Dy
//
{ FRAMEWIN_CreateIndirect, "Dialog", 0, 40, 90, 140, 115, FRAMEWIN_CF_MOVEABLE},
{ EDIT_CreateIndirect, 0, GUI_ID_EDIT0, 10, 10, 110, 20, 0, 12},
{ EDIT_CreateIndirect, 0, GUI_ID_EDIT1, 10, 40, 110, 20, 0, 12},
{ BUTTON_CreateIndirect, "Ok", GUI_ID_OK, 10, 70, 50, 20 },
{ BUTTON_CreateIndirect, "Cancel", GUI_ID_CANCEL, 70, 70, 50, 20 },
};
//
// Title of sample
//
static char _aTitle[] = {"WIDGET_NumPad"};
//
// Explanation of sample
//
static char * _apExplain[] = {
"This sample shows how to use a numpad as input",
"device. This can be useful if no keyboard",
"is available and the user should edit numeric",
"values or text on a touch screen.",
};
/*********************************************************************
*
* Static code
*
**********************************************************************
*/
/*********************************************************************
*
* _cbDialogNumPad
*
* Function description
* Callback function of the numpad.
*/
static void _cbDialogNumPad(WM_MESSAGE * pMsg) { //--------------（4）
GUI_RECT r;
unsigned i;
int NCode;
unsigned Id;
int Pressed;
WM_HWIN hDlg;
WM_HWIN hItem;
Pressed = 0;
hDlg = pMsg->hWin;
switch (pMsg->MsgId) {
case WM_PAINT: //--------------（5）
WM_GetClientRect(&r);
GUI_SetColor(0x000000);
GUI_DrawRect(r.x0, r.y0, r.x1, r.y1); /* Draw rectangle around it */
/* Draw the bright sides */
GUI_SetColor(0xffffff);
GUI_DrawHLine(r.y0 + 1, r.x0 + 1, r.x1 - 2); /* Draw top line */
GUI_DrawVLine(r.x0 + 1, r.y0 + 1, r.y1 - 2);
/* Draw the dark sides */
GUI_SetColor(0x555555);
GUI_DrawHLine(r.y1-1, r.x0 + 1, r.x1 - 1);
GUI_DrawVLine(r.x1-1, r.y0 + 1, r.y1 - 2);
break;
case WM_INIT_DIALOG: //--------------（6）
for (i = 0; i < GUI_COUNTOF(_aDialogNumPad) - 1; i++) {
hItem = WM_GetDialogItem(hDlg, GUI_ID_USER + i);
BUTTON_SetFocussable(hItem, 0); /* Set all buttons non focussable */ //--------------（7）
switch (i) {
case 13:
BUTTON_SetBitmapEx(hItem, 0, &_bmArrowLeft, 7, 7); /* Set bitmap for arrow left button (unpressed) */
BUTTON_SetBitmapEx(hItem, 1, &_bmArrowLeft, 7, 7); /* Set bitmap for arrow left button (pressed) */
break;
case 14:
BUTTON_SetBitmapEx(hItem, 0, &_bmArrowRight, 7, 7); /* Set bitmap for arrow right button (unpressed) */
BUTTON_SetBitmapEx(hItem, 1, &_bmArrowRight, 7, 7); /* Set bitmap for arrow right button (pressed) */
break;
}
}
WM_GetDialogItem(hDlg, GUI_ID_USER + 12);
break;
case WM_NOTIFY_PARENT:
Id = WM_GetId(pMsg->hWinSrc); /* Id of widget */
NCode = pMsg->Data.v; /* Notification code */
switch (NCode) {
case WM_NOTIFICATION_CLICKED: //--------------（8）
Pressed = 1;
case WM_NOTIFICATION_RELEASED: //--------------（9）
if ((Id >= GUI_ID_USER) && (Id <= (GUI_ID_USER + GUI_COUNTOF(_aDialogNumPad) - 1))) {
int Key;
if (Id < GUI_ID_USER + 11) {
char acBuffer[10];
BUTTON_GetText(pMsg->hWinSrc, acBuffer, sizeof(acBuffer)); /* Get the text of the button */
Key = acBuffer[0];
} else {
Key = _aKey[Id - GUI_ID_USER - 11]; /* Get the text from the array */
}
GUI_SendKeyMsg(Key, Pressed); /* Send a key message to the focussed window */
}
break;
}
default:
WM_DefaultProc(pMsg);
}
}
/*********************************************************************
*
* _cbDialogUser
*
* Purpose:
* Callback function of the user dialog.
*/
static void _cbDialogUser(WM_MESSAGE * pMsg) { //--------------（10）
int i;
int NCode;
int Id;
WM_HWIN hDlg;
WM_HWIN hItem;
hDlg = pMsg->hWin;
switch (pMsg->MsgId) {
case WM_INIT_DIALOG:
for (i = 0; i < 2; i++) { //--------------（11）
hItem = WM_GetDialogItem(hDlg, GUI_ID_EDIT0 + i); /* Get the handle of the edit widget */
EDIT_SetText(hItem, "12345678"); /* Set text */
}
break;
case WM_NOTIFY_PARENT:
Id = WM_GetId(pMsg->hWinSrc); /* Id of widget */
NCode = pMsg->Data.v; /* Notification code */
switch (NCode) {
case WM_NOTIFICATION_RELEASED: /* React only if released */ //--------------（12）
if (Id == GUI_ID_OK) { /* OK Button */
GUI_EndDialog(hDlg, 0);
}
if (Id == GUI_ID_CANCEL) { /* Cancel Button */
GUI_EndDialog(hDlg, 1);
}
break;
}
break;
default:
WM_DefaultProc(pMsg);
}
}
/*********************************************************************
*
* _cbDesktop
*
* Function description
* This routine handles the drawing of the desktop window.
*/
static void _cbDesktop(WM_MESSAGE * pMsg) { //--------------（13）
unsigned i;
switch (pMsg->MsgId) {
case WM_PAINT:
GUI_SetBkColor(GUI_RED);
GUI_Clear();
GUI_SetFont(&GUI_Font24_ASCII);
GUI_DispStringHCenterAt(_aTitle, 160, 5);
GUI_DispNextLine();
GUI_SetFont(GUI_DEFAULT_FONT);
GUI_DispNextLine();
for (i = 0; i < GUI_COUNTOF(_apExplain); i++) {
GUI_DispStringHCenterAt(_apExplain[i], 160, GUI_GetDispPosY());
GUI_DispNextLine();
}
break;
}
}
/*********************************************************************
*
* Exported code
*
**********************************************************************
*/
/*********************************************************************
*
* MainTask
*/
void MainTask(void) {
WM_HWIN hNumPad;
GUI_Init();
//
// Check if recommended memory for the sample is available
//
if (GUI_ALLOC_GetNumFreeBytes() < RECOMMENDED_MEMORY) {
GUI_ErrorOut("Not enough memory available.");
return;
}
WM_SetCallback(WM_HBKWIN, _cbDesktop); //--------------（14）
hNumPad = GUI_CreateDialogBox(_aDialogNumPad,
GUI_COUNTOF(_aDialogNumPad), //--------------（15）
_cbDialogNumPad, WM_HBKWIN, 0, 0); /* Create the numpad dialog */
WM_SetStayOnTop(hNumPad, 1);
while (1) {
GUI_ExecDialogBox(_aDialogUser, //--------------（16）
GUI_COUNTOF(_aDialogUser),
_cbDialogUser, WM_HBKWIN, 0, 0); /* Execute the user dialog */
GUI_Delay(1000);
}
} |
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