lfpport_textfield.h

来自「This is a resource based on j2me embedde」· C头文件 代码 · 共 169 行

/*
 *  
 *
 * Copyright  1990-2007 Sun Microsystems, Inc. All Rights Reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER
 * 
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License version
 * 2 only, as published by the Free Software Foundation.
 * 
 * This program is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
 * General Public License version 2 for more details (a copy is
 * included at /legal/license.txt).
 * 
 * You should have received a copy of the GNU General Public License
 * version 2 along with this work; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
 * 02110-1301 USA
 * 
 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa
 * Clara, CA 95054 or visit www.sun.com if you need additional
 * information or have any questions.
 */

#ifndef _LFPPORT_TEXTFIELD_H_
#define _LFPPORT_TEXTFIELD_H_

/**
 * @file
 * @ingroup highui_lfpport
 *
 * @brief TextField-specific porting functions and data structures.
 */

#include <lfpport_displayable.h>
#include <lfpport_item.h>

#ifdef __cplusplus
extern "C" {
#endif

/**
 * Input constraints, as defined in the <i>MIDP Specification</i>.
 * The values take the lower 16 bits of the value set by
 * pdMidpTextFieldSetConstraints.
 */
typedef enum {
    MIDP_CONSTRAINT_ANY         = 0,
    MIDP_CONSTRAINT_EMAILADDR   = 1,
    MIDP_CONSTRAINT_NUMERIC     = 2,
    MIDP_CONSTRAINT_PHONENUMBER = 3,
    MIDP_CONSTRAINT_URL         = 4,
    MIDP_CONSTRAINT_DECIMAL     = 5
} MidpConstraint;

/**
 * Input modifiers, as defined in the <i>MIDP Specification</i>.
 * These values take the higher 16 bits of the value set by
 * pdMidpTextFieldSetConstraints.
 */
typedef enum {
    MIDP_MODIFIER_PASSWORD		= 0x10000,
    MIDP_MODIFIER_UNEDITABLE	 	= 0x20000,
    MIDP_MODIFIER_SENSITIVE	 	= 0x40000,
    MIDP_MODIFIER_NON_PREDICTIVE	= 0x80000,
    MIDP_MODIFIER_INITIAL_CAPS_WORD	= 0x100000,
    MIDP_MODIFIER_INITIAL_CAPS_SENTENCE = 0x200000
} MidpModifier;

/**
 * Mask for determining the constraint mode.  To get the current
 * constraint, an application uses a bit-wise AND operation on the
 * value set by pdMidpTextFieldSetConstraints and the
 * MIDP_CONSTRAINT_MASK. The operation removes any modifier flags,
 * such as MIDP_MODIFIER_PASSWORD.
 */
#define MIDP_CONSTRAINT_MASK 0xFFFF

/**
 * Creates a text field's native peer, but does not display it.
 * When this function returns successfully, the fields in *itemPtr should
 * be set.
 * 
 * @param itemPtr pointer to the text field's MidpItem structure.
 * @param ownerPtr pointer to the item's owner(form)'s MidpDisplayable 
 *                 structure.
 * @param label the item label.
 * @param layout the item layout directive.
 * @param text the initial text for the text field.
 * @param maxSize maximum size of the text field.
 * @param constraints constraints to be validated against, during 
 *                    text input.
 * @param initialInputMode suggested input mode on creation.
 *
 * @return an indication of success or the reason for failure
 */
MidpError lfpport_textfield_create(MidpItem* itemPtr, 
				   MidpDisplayable* ownerPtr,
				   const pcsl_string* label, int layout,
				   const pcsl_string* text, int maxSize,
				   int constraints, 
				   const pcsl_string* initialInputMode);

/**
 * Notifies the native peer of a change in the text field's content.
 *
 * @param itemPtr pointer to the text field's MidpItem structure.
 * @param text the new string.
 * 
 * @return an indication of success or the reason for failure
 */
MidpError lfpport_textfield_set_string(MidpItem* itemPtr, const pcsl_string* text);

/**
 * Gets the current contents of the text field.
 * 
 * @param text pointer to the text field's current content. This
 *             function sets text's value.
 * @param newChange pointer to a flag that is true when the text field's
 *        content has changed since the last call to this function, and is
 *        false otherwise. This function sets newChange's value.
 * @param itemPtr pointer to the text field's MidpItem structure.
 * 
 * @return an indication of success or the reason for failure
 */
MidpError lfpport_textfield_get_string(pcsl_string* text, jboolean* newChange,
				       MidpItem* itemPtr);

/**
 * Notifies the native peer of a change in the maximum size of its text field.
 *
 * @param itemPtr pointer to the text field's MidpItem structure.
 * @param maxSize the new maximum size.
 * 
 * @return an indication of success or the reason for failure
 */
MidpError lfpport_textfield_set_max_size(MidpItem* itemPtr, int maxSize);

/**
 * Gets the current input position.
 * 
 * @param position pointer to current position of the text field's
 *        caret. This function set's position's value.
 * @param itemPtr pointer to the text field's MidpItem structure.
 * 
 * @return an indication of success or the reason for failure
 */
MidpError lfpport_textfield_get_caret_position(int *position, 
					       MidpItem* itemPtr);

/**
 * Notifies the native peer of a change in the text field's constraints.
 * 
 * @param constraints the new input constraints.
 * @param itemPtr pointer to the text field's MidpItem structure.
 * 
 * @return an indication of success or the reason for failure
 */
MidpError lfpport_textfield_set_constraints(MidpItem* itemPtr, 
					    int constraints);

#ifdef __cplusplus
} /* extern "C" */
#endif

#endif /* _LFPPORT_TEXTFIELD_H_ */