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/*
* This file is subject to the terms of the GFX License, v1.0. If a copy of
* the license was not distributed with this file, you can obtain one at:
*
* http://chibios-gfx.com/license.html
*/
/**
* @file include/gwin/checkbox.h
* @brief GWIN Graphic window subsystem header file.
*
* @defgroup Checkbox Checkbox
* @ingroup GWIN
*
* @details GWIN allows it to easily create checkboxes.
*
* @pre GFX_USE_GWIN must be set to TRUE in your gfxconf.h
* @pre GWIN_NEED_CHECKBOX must be set to TRUE in your gfxconf.h
* @{
*/
#ifndef _GWIN_CHECKBOX_H
#define _GWIN_CHECKBOX_H
#if GWIN_NEED_CHECKBOX || defined(__DOXYGEN__)
/*===========================================================================*/
/* Driver constants. */
/*===========================================================================*/
#define GW_CHECKBOX 0x0005
#define GEVENT_GWIN_CHECKBOX (GEVENT_GWIN_FIRST+2)
/*===========================================================================*/
/* Type definitions */
/*===========================================================================*/
typedef struct GEventGWinCheckbox_t {
GEventType type; // The type of this event (GEVENT_GWIN_CHECKBOX)
GHandle checkbox; // The checkbox that has been depressed (actually triggered on release)
bool_t isChecked; // Is the checkbox currently checked or unchecked?
} GEventGWinCheckbox;
typedef enum GCheckboxState_e {
GCHBX_UNCHECKED, GCHBX_CHECKED
} GCheckboxState;
typedef struct GCheckboxColor_t {
color_t border;
color_t checked;
color_t bg;
} GCheckboxColor;
/* custom rendering interface */
typedef void (*GCheckboxDrawFunction)(GHandle gh, bool_t enabled, bool_t state, void* param);
/* A Checkbox window */
typedef struct GCheckboxObject_t {
GWindowObject gwin;
GListener listener;
GCheckboxDrawFunction fn;
GCheckboxColor *colors;
bool_t isChecked;
void *param;
} GCheckboxObject;
/**
* @brief Create a checkbox window.
*
* @param[in] gb The GCheckboxObject structure to initialise. If this is NULL, the structure is dynamically allocated.
* @param[in] x,y The screen co-ordinates for the bottom left corner of the window
* @param[in] width The width of the window
* @param[in] height The height of the window
*
* @note The checkbox is not automatically drawn. Call gwinCheckboxDraw() after changing the checkbox style.
*
* @return NULL if there is no resultant drawing area, otherwise a window handle.
*
* @api
*/
GHandle gwinCheckboxCreate(GCheckboxObject *gb, coord_t x, coord_t y, coord_t width, coord_t height);
/**
* @brief Redraw a checkbox
*
* @param[in] gh The window handle (must be a checkbox window)
*
* @api
*/
void gwinCheckboxDraw(GHandle gh);
/**
* @brief Enable or disable a button
*
* @param[in] gh The window handle (must be a checkbox window)
* @param[in] enabled Enable or disable the button
*
* @api
*/
void gwinCheckboxSetEnabled(GHandle gh, bool_t enabled);
/**
* @brief Set the callback routine to perform a custom drawing.
*
* @param[in] gh The window handle (must be a checkbox window)
* @param[in] fn The function to use to draw the checkbox
* @param[in] param A parameter to pass to the checkbox drawing function
*
* @api
*/
void gwinCheckboxSetCustom(GHandle gh, GCheckboxDrawFunction fn, void *param);
/**
* @brief Enable a checkbox
*
* @api
*/
#define gwinCheckboxEnable(gh) gwinCheckboxSetEnabled( ((GCheckboxObject *)(gh)), TRUE)
/**
* @brief Disable a checkbox
*
* @api
*/
#define gwinCheckboxDisable(gh) gwinCheckboxSetEnabled( ((GCheckboxObject *)(gh)), FALSE)
/**
* @brief Get the state of a checkbox
*
* @param[in] gh The window handle (must be a checkbox window)
*
* @return The state of the checkbox (GCHBX_CHECKED or GCHBX_UNCHECKED)
*
* @api
*/
#define gwinCheckboxGetState(gh) (((GCheckboxObject *)(gh))->isChecked)
/**
* @brief Get the source handle of a checkbox
* @details Get the source handle of a checkbox so the application can listen for events
*
* @param[in] gh The window handle (must be a checkbox window)
*
* @api
*/
#define gwinCheckboxGetSource(gh) ((GSourceHandle)(gh))
#if GFX_USE_GINPUT && GINPUT_NEED_MOUSE
/**
* @brief Attach a mouse to a checkbox
*
* @param[in] gh The checkbox handle
* @param[in] instance The mouse instance
*
* @api
*/
bool_t gwinCheckboxAttachMouse(GHandle gh, uint16_t instance);
#endif /* GFX_USE_GINPUT && GINPUT_NEED_MOUSE */
#endif /* _GWIN_NEED_CHECKBOX */
#endif /* _GWIN_CHECKBOX_H */
/** @} */
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