atbeditor.c

GSM手机设计软件代码

        return ED_BAD_HANDLE;            /* element does not exist   */

    editor->display = TRUE;
    
    if (editor->handler)                   /* call event handler       */
    {
		editor->handler(ED_VISIBLE,editor);
    }
    return ED_OK;
}


/*******************************************************************************

 $Function:		ATB_edit_MoveCursor

 $Description:	Move the cursor
 
 $Returns:		ED_ERROR	- Unexpected cursor movement
 				ED_OK		- OK

 $Arguments:	editor		- The editor data
 				character	- The control character (ctrlLeft etc)
 				update		- TRUE if word wrap is to be carried out after move

*******************************************************************************/

ED_RES ATB_edit_MoveCursor (T_ED_DATA *editor, USHORT control, UBYTE update)
{
	USHORT altCursorPos;
	SHORT dy;
	ED_RES result;
	
	TRACE_FUNCTION("ATB_edit_MoveCursor");
	
    if (!editor)
        return ED_BAD_HANDLE;            /* element does not exist   */

	/* Can't move cursor in hidden mode, except to start and end */

	result = ED_OK;
	dy = 0;
		
	switch(control)
	{
		case ctrlLeft:
		 	if (!ATB_edit_Mode(editor, ED_MODE_READONLY))			/* Not in read only mode*/
		 	{	
				if (ATB_edit_Mode(editor, ED_MODE_FORMATTED))  		/* formatted input */
				{
	        		ATB_edit_FindPrev(editor);            			 /* find previous non-fixed character */
	        	}
	        	else
	        	{
	        		altCursorPos = editor->cursor.pos;					/* Store original cursor position */
	        		
	        		editor->cursor.pos = ATB_string_IndexMove(&editor->attr->text, editor->cursor.pos, -1);
	        			
		        	if (editor->cursor.pos==altCursorPos) 				/* If we're at the start of text */
					{
		        		ATB_edit_MoveCursor(editor, ctrlBottom, FALSE);	/* .. then go to the end of text! */
					}
				}
			}
			break;

		case ctrlRight:
			if (!ATB_edit_Mode(editor, ED_MODE_READONLY))			/* Not in read only mode*/
		 	{
				if (ATB_edit_Mode(editor, ED_MODE_FORMATTED))  		/* formatted input */
				{
					ATB_edit_FindNext(editor);						/* Move cursor forward once */
				}
				else
				{
	        		altCursorPos = editor->cursor.pos;					/* Store original cursor position */
	        	
					editor->cursor.pos = ATB_string_IndexMove(&editor->attr->text, editor->cursor.pos, 1);
					if (editor->cursor.pos==altCursorPos) 				/* If we're at the end of text */
	        		{
	        			ATB_edit_MoveCursor(editor, ctrlTop, FALSE);	/* .. then go to the start of text! */
	        		}
	        	}
			}
			break;

		case ctrlUp:
			if (editor->cursor.line > 0)
	  			dy = -1;
	  		break;
	  		
		case ctrlDown:
			if (editor->cursor.line < (editor->numLines-1))
	  			dy = 1;
			break;

		case ctrlTop:
			editor->cursor.pos = 0;
			editor->initialised = FALSE;						/* We need to recalculate whole editor */

			/* For formatted mode, skip over any fixed characters at the start */
			
			if (ATB_edit_Mode(editor, ED_MODE_FORMATTED))
			{
				editor->formatIndex = 0;
				editor->fieldIndex = 0;
				ATB_edit_FindNext(editor);
				ATB_edit_FindPrev(editor);
			}
			break;
			
		case ctrlBottom:
			/* Search until we find end of text */
			while (ATB_string_GetChar(&editor->attr->text, editor->cursor.pos)!=UNICODE_EOLN)
			{
	            editor->cursor.pos++;
			}
			editor->initialised = FALSE;						/* We need to recalculate whole editor */
			break;

		default:
			TRACE_EVENT("** ERROR ** Unexpected cursor movement.");
			return ED_ERROR;
			break;
	}

	/* SPR#1983 - SH - In caps mode, any keypress switches to lower case */

	if (editor->textcase==ED_CASE_CAPS)
		editor->textcase = ED_CASE_LOWER;

	if (update || dy!=0)
	{
		ATB_edit_Update(editor, dy);
	}
	
	return ED_OK;
}


/*******************************************************************************

 $Function:		ATB_edit_DeleteLeft

 $Description:	Delete the character to the left of the cursor
 
 $Returns:		ED_DONE		- Deleted from start of editor, exit editor
 				ED_OK		- OK

 $Arguments:	editor		- The editor data

*******************************************************************************/

ED_RES ATB_edit_DeleteLeft (T_ED_DATA *editor)
{
	ED_RES	result = ED_OK;
	USHORT	altCursorPos;
	char formatchar;
	
	TRACE_FUNCTION("ATB_edit_DeleteLeft");
	
    if (!editor)
        return ED_BAD_HANDLE;            /* element does not exist   */

	/* SPR#1983 - SH - Hidden text changes now mirror normal text changes. */

	/* Formatted mode */
	
	if (ATB_edit_Mode(editor, ED_MODE_FORMATTED))			/* Formatted input */
    {
		if (ATB_edit_FindPrev(editor)!=FINDPREV_FIRST_CHAR)                 			/* Skip over fixed characters */
		{
			if (editor->formatIndex>0)													/* So we don't look back beyond start of string */
			{
				/* If we're in a delimited field, do normal delete, otherwise just cursor back */
				formatchar = editor->attr->FormatString[editor->formatIndex-1];
				if ((formatchar>'0' && formatchar<='9') || formatchar=='*')				/* If it's a number between 1 and 9, or a * */
				{
					ATB_string_MoveLeft(&editor->attr->text, editor->cursor.pos, 1);
					if (ATB_edit_Mode(editor, ED_MODE_HIDDEN))
					{
						ATB_string_MoveLeft(editor->hiddenText, editor->cursor.pos, 1);
					}
				}
			}
			result = ED_OK;
		}
		else
		{
			result = ED_DONE;  			/* Delete with empty buffer - escape from editor */
		}
	}

	/* Overwrite mode */
	
	else if (ATB_edit_Mode(editor, ED_MODE_OVERWRITE))
	{
		/* If we're at the end of the string, shift the '0' back */
		if (editor->cursor.pos>0)
		{
			if (editor->cursor.pos == editor->attr->text.len)
			{
				result = ATB_edit_MoveCursor(editor, ctrlLeft, FALSE);
				ATB_string_SetChar(&editor->attr->text, editor->cursor.pos, UNICODE_EOLN);
				editor->attr->text.len--;
				if (ATB_edit_Mode(editor, ED_MODE_HIDDEN))
				{
					ATB_string_SetChar(editor->hiddenText, editor->cursor.pos, UNICODE_EOLN);
					editor->hiddenText->len--;
				}
			}
			/* Otherwise, overwrite with a space */
			else
			{
				result = ATB_edit_MoveCursor(editor, ctrlLeft, FALSE);
				ATB_string_SetChar(&editor->attr->text, editor->cursor.pos, UNICODE_SPACE);
				if (ATB_edit_Mode(editor, ED_MODE_HIDDEN))
				{
					ATB_string_SetChar(editor->hiddenText, editor->cursor.pos, UNICODE_SPACE);
				}
			}
		}
		else
		{
			result = ED_DONE;				/* Delete with empty buffer - escape from editor */
		}
	}
	else
	{
		/* Otherwise, just perform normal delete operation */
    	altCursorPos = ATB_string_IndexMove(&editor->attr->text, editor->cursor.pos,-1);
        if (altCursorPos!=editor->cursor.pos)
        {
            ATB_string_MoveLeft(&editor->attr->text, altCursorPos, editor->cursor.pos-altCursorPos);	// Delete the difference!
	
			if (ATB_edit_Mode(editor, ED_MODE_HIDDEN))
			{
				ATB_string_MoveLeft(editor->hiddenText, altCursorPos, editor->cursor.pos-altCursorPos);	// Delete the difference!
			}
				
			editor->cursor.pos = altCursorPos;
			result = ED_OK;
        }
        else
        	result = ED_DONE;
	}
	
	/* SPR#1983 - SH - In caps mode, any keypress switches to lower case */

	if (editor->textcase==ED_CASE_CAPS)
		editor->textcase = ED_CASE_LOWER;
		
	ATB_edit_Update(editor,0);
	
	return result;
}


/*******************************************************************************

 $Function:		ATB_edit_DeleteRight

 $Description:	Delete the character to the right of the cursor
 
 $Returns:		ED_OK		- OK

 $Arguments:	editor		- The editor data

*******************************************************************************/

ED_RES ATB_edit_DeleteRight (T_ED_DATA *editor)
{
	ED_RES result;
	char formatchar;

	TRACE_FUNCTION("ATB_edit_DeleteRight");
	
    if (!editor)
        return ED_BAD_HANDLE;            /* element does not exist   */
	
	/* SPR#1983 - SH - Hidden text changes now mirror normal text changes. */

	/* Formatted mode */
	
	if (ATB_edit_Mode(editor, ED_MODE_FORMATTED))			/* Formatted input */
    {
		/* If we're in a delimited field, do normal delete right, otherwise ignore */
		if (editor->formatIndex>0)
		{
			formatchar = editor->attr->FormatString[editor->formatIndex-1];
			if ((formatchar>'0' && formatchar<='9') || formatchar=='*')				/* If it's a number between 1 and 9, or a * */
			{
				ATB_string_MoveLeft(&editor->attr->text, editor->cursor.pos, 1);
				if (ATB_edit_Mode(editor, ED_MODE_HIDDEN))
				{
					ATB_string_MoveLeft(editor->hiddenText, editor->cursor.pos, 1);
				}
			}
		}
	}

	/* Overwrite mode */
	
	else if (ATB_edit_Mode(editor, ED_MODE_OVERWRITE))
	{
		/* Make sure we're not at the end of the string */
		if (editor->cursor.pos<editor->attr->text.len)
		{
			if (!ATB_edit_Mode(editor, ED_MODE_HIDDEN))
			{
				ATB_string_SetChar(&editor->attr->text, editor->cursor.pos, UNICODE_SPACE);
			}
		}
	}
	else
	{
		ATB_string_MoveLeft(&editor->attr->text, editor->cursor.pos, 1);		/* Otherwise, just perform normal delete operation */
		if (ATB_edit_Mode(editor, ED_MODE_HIDDEN))
		{
			ATB_string_MoveLeft(&editor->attr->text, editor->cursor.pos, 1);		/* Otherwise, just perform normal delete operation */
		}
	}

	/* SPR#1983 - SH - In caps mode, any keypress switches to lower case, if we're
	 * not in multi-tap */

	if (!editor->multitap && editor->textcase==ED_CASE_CAPS)
		editor->textcase = ED_CASE_LOWER;
		
	ATB_edit_Update(editor,0);
	
	return ED_OK;
}


/*******************************************************************************

 $Function:		ATB_edit_ClearAll

 $Description:	Clear all text from the editor, move cursor to the top
 
 $Returns:		ED_BAD_HANDLE	- Editor data pointer is null
 				ED_DONE			- Deleted from start of editor, exit editor
 				ED_OK			- OK

 $Arguments:	editor		- The editor data

*******************************************************************************/

ED_RES ATB_edit_ClearAll (T_ED_DATA *editor)
{
	USHORT textLength;
	ED_RES result;
	
	TRACE_FUNCTION("ATB_edit_ClearAll()");

    if (!editor)
        return ED_BAD_HANDLE;            			// element does not exist
	
	/* FORMATTED MODE */
	
	if (ATB_edit_Mode(editor, ED_MODE_FORMATTED))
	{
  		/* Find first non-fixed character */
		ATB_edit_MoveCursor(editor, ctrlTop, FALSE);													// starting from the top.

		while (editor->cursor.pos<textLength)
		{
			ATB_edit_Char(editor, UNICODE_SPACE, FALSE);
			ATB_edit_FindNext(editor);										// Overwrite everything with spaces
		}
		ATB_edit_MoveCursor(editor,ctrlTop,FALSE);
	}

	/* NORMAL MODE */
	
	else
	{
		if (textLength==0)
		{
			result = ED_DONE;
		}
		else
		{
	        memset(editor->attr->text.data,'\0',editor->attr->size*ATB_string_Size(&editor->attr->text));        /* Clear buffer */
			editor->attr->text.len = 0;
			if (ATB_edit_Mode(editor, ED_MODE_HIDDEN))
			{
	        	memset(editor->hiddenText->data,'\0',editor->attr->size*ATB_string_Size(&editor->attr->text));
	        	editor->hiddenText->len = 0;
			}
			ATB_edit_Reset(editor);										/* Send cursor to start */

		 	result = ED_OK;
		}
	}

	ATB_edit_Update(editor,0);                 			/* Update word wrap & cursor */
	        
    return ED_OK;
}


/*******************************************************************************

 $Function:		ATB_edit_Char

 $Description:	Insert a character into the editor text, or execute a control code
 
 $Returns:		ED_OK			- OK

 $Arguments:	editor		- The editor data
 				character	- The character - in unicode representation
 				update		- TRUE if word wrap is to be carried out after insertion

*******************************************************************************/

ED_RES ATB_edit_Char (T_ED_DATA *editor, USHORT character, UBYTE update)
{
	TRACE_FUNCTION("ATB_edit_Char()");

    if (!editor)
        return ED_BAD_HANDLE;            			// element does not exist

    switch (character)
    {