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guix/common/inc/gx_scrollbar.h
2020-05-11 08:48:55 -06:00

97 lines
5.6 KiB
C

/**************************************************************************/
/* */
/* Copyright (c) Microsoft Corporation. All rights reserved. */
/* */
/* This software is licensed under the Microsoft Software License */
/* Terms for Microsoft Azure RTOS. Full text of the license can be */
/* found in the LICENSE file at https://aka.ms/AzureRTOS_EULA */
/* and in the root directory of this software. */
/* */
/**************************************************************************/
/**************************************************************************/
/**************************************************************************/
/** */
/** GUIX Component */
/** */
/** Scroll Management (Scrollbar) */
/** */
/**************************************************************************/
/**************************************************************************/
/**************************************************************************/
/* */
/* COMPONENT DEFINITION RELEASE */
/* */
/* gx_scrollbar.h PORTABLE C */
/* 6.0 */
/* AUTHOR */
/* */
/* Kenneth Maxwell, Microsoft Corporation */
/* */
/* DESCRIPTION */
/* */
/* This file defines the GUIX icon management component, */
/* including all data types and external references. It is assumed */
/* that gx_api.h and gx_port.h have already been included. */
/* */
/* RELEASE HISTORY */
/* */
/* DATE NAME DESCRIPTION */
/* */
/* 05-19-2020 Kenneth Maxwell Initial Version 6.0 */
/* */
/**************************************************************************/
#ifndef GX_SCROLLBAR_H
#define GX_SCROLLBAR_H
/* Define scrollbar management function prototypes. */
UINT _gx_horizontal_scrollbar_create(GX_SCROLLBAR *scrollbar, GX_CONST GX_CHAR *name, GX_WINDOW *parent,
GX_SCROLLBAR_APPEARANCE *appearance, ULONG style);
UINT _gx_vertical_scrollbar_create(GX_SCROLLBAR *scrollbar, GX_CONST GX_CHAR *name, GX_WINDOW *parent,
GX_SCROLLBAR_APPEARANCE *appearance, ULONG style);
VOID _gx_scrollbar_draw(GX_SCROLLBAR *scrollbar);
UINT _gx_scrollbar_event_process(GX_SCROLLBAR *scrollbar, GX_EVENT *event_ptr);
UINT _gx_scrollbar_limit_check(GX_SCROLLBAR *scrollbar);
VOID _gx_scrollbar_thumb_position_calculate(GX_SCROLLBAR *scroll);
UINT _gx_scrollbar_reset(GX_SCROLLBAR *scrollbar, GX_SCROLL_INFO *info);
VOID _gx_scrollbar_size_update(GX_SCROLLBAR *scroll);
VOID _gx_scrollbar_value_calculate(GX_SCROLLBAR *scroll, INT offset, INT size);
UINT _gx_scrollbar_value_set(GX_SCROLLBAR *scroll, INT value);
/* Define scroll thumb management function prototypes. */
UINT _gx_scroll_thumb_create(GX_SCROLL_THUMB *scroll_thumb, GX_SCROLLBAR *parent, ULONG style);
VOID _gx_scroll_thumb_draw(GX_SCROLL_THUMB *scroll_thumb);
UINT _gx_scroll_thumb_event_process(GX_SCROLL_THUMB *scroll_thumb, GX_EVENT *event_ptr);
INT _gx_scroll_thumb_shift_limit(GX_SCROLL_THUMB *thumb, INT shift);
/* Define error checking shells for API services. These are only referenced by the
application. */
UINT _gxe_horizontal_scrollbar_create(GX_SCROLLBAR *scrollbar, GX_CONST GX_CHAR *name, GX_WINDOW *parent,
GX_SCROLLBAR_APPEARANCE *appearance, ULONG style,
UINT scrollbar_control_block_size);
UINT _gxe_vertical_scrollbar_create(GX_SCROLLBAR *scrollbar, GX_CONST GX_CHAR *name, GX_WINDOW *parent,
GX_SCROLLBAR_APPEARANCE *appearance,
ULONG style, UINT scrollbar_control_block_size);
UINT _gxe_scroll_thumb_event_process(GX_SCROLL_THUMB *scroll_thumb, GX_EVENT *event_ptr);
UINT _gxe_scroll_thumb_create(GX_SCROLL_THUMB *scroll_thumb, GX_SCROLLBAR *parent, ULONG style, UINT scroll_thumb_control_block_size);
UINT _gxe_scrollbar_event_process(GX_SCROLLBAR *scrollbar, GX_EVENT *event_ptr);
UINT _gxe_scrollbar_limit_check(GX_SCROLLBAR *scrollbar);
UINT _gxe_scrollbar_reset(GX_SCROLLBAR *scrollbar, GX_SCROLL_INFO *info);
UINT _gxe_scrollbar_value_set(GX_SCROLLBAR *scrollbar, INT value);
#endif