Files
discoverpixy/common/gui/checkbox.h

70 lines
2.2 KiB
C

#ifndef CHECKBOX_H
#define CHECKBOX_H
#include "touch.h"
/**
* @addtogroup gui
*/
/*@{*/
/**
* @defgroup checkbox Checkbox
* The Checkbox Gui-Element
*/
/*@}*/
/**
* @addtogroup checkbox
*/
/*@{*/
/**
* Prototype for Event Listeners (called when the checkbox state has changed)
* \note You should NOT execute long running things in this callback nor should you update the gui. But you can call gui_screen_navigate() for instance.
* @param checkbox The pointer to the CHECKBOX_STRUCT where to corresponding Checkbox has changed the state
* @param checked A boolean which indicates whether the checkbox is now checked or not.
*/
typedef void (*CHECKBOX_CALLBACK)(void *checkbox, bool checked);
/**
* Structure to configure the Checkbox
*/
typedef struct {
TOUCH_AREA_STRUCT base; //!< Basic geometry of the Checkbox. You only need to set the x1, y1, x2, y2 members of this struct.
uint16_t fgcolor; //!< The 16-bit color of the tickmark
bool checked; //!< A boolean which indicates whether or not the checkbox is currently checked.
CHECKBOX_CALLBACK callback; //!< Callback which is executed when the checkbox changes state
} CHECKBOX_STRUCT;
/**
* Adds a checkbox. Your Callback will be called from now on, if the checkbox changes state
* @param checkbox A Pointer to the preinitialized CHECKBOX_STRUCT
* @return true on success
*/
bool gui_checkbox_add(CHECKBOX_STRUCT* checkbox);
/**
* Removes the checkbox. You will no longer receive events for this checkbox. This function will not overdraw the region where the checkbox was located.
* @param checkbox A Pointer to the CHECKBOX_STRUCT
*/
void gui_checkbox_remove(CHECKBOX_STRUCT* checkbox);
/**
* Updates the checkbox. Call this function when you change the state of the checkbox through code.
* @param checkbox A Pointer to the CHECKBOX_STRUCT
*/
void gui_checkbox_update(CHECKBOX_STRUCT* checkbox);
/**
* Redraws the checkbox. Call this method if you have to redraw the entire screen or if you want to draw a checkbox on top of an image.
* @param checkbox A Pointer to the CHECKBOX_STRUCT
*/
void gui_checkbox_redraw(CHECKBOX_STRUCT* checkbox);
#define CHECKBOX_WIN_FG_COLOR RGB(32,161,34)
/*@}*/
#endif /* CHECKBOX_H */