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/*
ChibiOS/GFX - Copyright (C) 2012
Joel Bodenmann aka Tectu <joel@unormal.org>
This file is part of ChibiOS/GFX.
ChibiOS/GFX is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
ChibiOS/GFX 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 for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
/**
* @file gwin/gwin_button.h
* @brief GWIN Graphic window subsystem header file.
*
* @addtogroup GWIN
* @{
*/
#ifndef _GWIN_BUTTON_H
#define _GWIN_BUTTON_H
/**
* @name GWIN more complex functionality to be compiled
* @{
*/
/**
* @brief Should button functions be included.
* @details Defaults to FALSE
*/
#ifndef GWIN_NEED_BUTTON
#define GWIN_NEED_BUTTON FALSE
#endif
/** @} */
#if GWIN_NEED_BUTTON || defined(__DOXYGEN__)
/*===========================================================================*/
/* Driver constants. */
/*===========================================================================*/
#define GW_BUTTON 0x0002
#define GEVENT_GWIN_BUTTON (GEVENT_GWIN_FIRST+0)
/*===========================================================================*/
/* Driver pre-compile time settings. */
/*===========================================================================*/
/*===========================================================================*/
/* Low Level Driver details and error checks. */
/*===========================================================================*/
#if !GDISP_NEED_TEXT
#error "GWIN: Text support (GDISP_NEED_TEXT) is required if GWIN_NEED_BUTTON is defined."
#endif
#if !defined(GFX_USE_GEVENT) || !GFX_USE_GEVENT
#error "GWIN Buttons require GFX_USE_GEVENT"
#endif
#include "gevent.h"
/*===========================================================================*/
/* Type definitions */
/*===========================================================================*/
typedef struct GEventGWinButton_t {
GEventType type; // The type of this event (GEVENT_GWIN_BUTTON)
GHandle button; // The button that has been depressed (actually triggered on release)
} GEventGWinButton;
// There are currently no GEventGWinButton listening flags - use 0
typedef enum GButtonShape_e {
GBTN_3D, GBTN_SQUARE, GBTN_ROUNDED, GBTN_ELLIPSE
} GButtonShape;
typedef struct GButtonStyle_t {
GButtonShape shape;
color_t color_up_edge;
color_t color_up_fill;
color_t color_up_txt;
color_t color_dn_edge;
color_t color_dn_fill;
color_t color_dn_txt;
} GButtonStyle;
typedef enum GButtonType_e {
GBTN_NORMAL, GBTN_TOGGLE
} GButtonType;
typedef enum GButtonState_e {
GBTN_UP, GBTN_DOWN
} GButtonState;
// A button window
typedef struct GButtonObject_t {
GWindowObject gwin;
GButtonStyle style;
GButtonState state;
GButtonType type;
const char * txt;
GListener listener;
} GButtonObject;
/*===========================================================================*/
/* External declarations. */
/*===========================================================================*/
#ifdef __cplusplus
extern "C" {
#endif
GHandle gwinCreateButton(GButtonObject *gb, coord_t x, coord_t y, coord_t width, coord_t height, font_t font, GButtonType type);
void gwinSetButtonStyle(GHandle gh, const GButtonStyle *style);
void gwinSetButtonText(GHandle gh, const char *txt, bool_t useAlloc);
void gwinButtonDraw(GHandle gh);
#define gwinGetButtonState(gh) (((GButtonObject *)(gh))->state)
// Get the source handle so the application can listen for events
#define gwinGetButtonSource(gh) ((GSourceHandle)(gh))
#if defined(GINPUT_NEED_MOUSE) && GINPUT_NEED_MOUSE
// Attach a mouse source to this button.
bool_t gwinAttachButtonMouseSource(GHandle gh, GSourceHandle gsh);
#endif
#if defined(GINPUT_NEED_TOGGLE) && GINPUT_NEED_TOGGLE
// Attach a toggle source to this button.
bool_t gwinAttachButtonToggleSource(GHandle gh, GSourceHandle gsh);
#endif
#ifdef __cplusplus
}
#endif
#endif /* GWIN_NEED_BUTTON */
#endif /* _GWIN_BUTTON_H */
/** @} */
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