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