checkbox.c File Reference

#include "tft.h"
#include "touch.h"
#include "checkbox.h"
#include <stdio.h>

Include dependency graph for checkbox.c:

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Macros
#define	ACTIVE_COLOR   RGB(251,208,123)
#define	BORDER_COLOR   RGB(29,82,129)
#define	BACKGROUND_COLOR   WHITE

Functions
void	checkboxes_cb (void *touchArea, TOUCH_ACTION triggeredAction)
bool	gui_checkbox_add (CHECKBOX_STRUCT *checkbox)
void	gui_checkbox_redraw (CHECKBOX_STRUCT *checkbox)
void	gui_checkbox_remove (CHECKBOX_STRUCT *checkbox)
void	gui_checkbox_update (CHECKBOX_STRUCT *checkbox)

Macro Definition Documentation

#define ACTIVE_COLOR   RGB(251,208,123)

Definition at line 29 of file checkbox.c.

#define BACKGROUND_COLOR   WHITE

Definition at line 31 of file checkbox.c.

#define BORDER_COLOR   RGB(29,82,129)

Definition at line 30 of file checkbox.c.

Function Documentation

void checkboxes_cb	(	void *	touchArea,
		TOUCH_ACTION	triggeredAction
	)

Definition at line 34 of file checkbox.c.

{
    TOUCH_AREA_STRUCT* area = (TOUCH_AREA_STRUCT*)touchArea;
    CHECKBOX_STRUCT* checkbox = (CHECKBOX_STRUCT*)touchArea;

    switch (triggeredAction) {
    case PEN_DOWN:  //If the user touches the area for the "first time"
        area->hookedActions = PEN_UP | PEN_LEAVE; //for the future we only want PEN_UP and PEN_LEAVE events

        //Draw active shadows
        tft_draw_rectangle(checkbox->base.x1 + 1, checkbox->base.y1 + 1, checkbox->base.x2 - 1, checkbox->base.y2 - 1, ACTIVE_COLOR);
        tft_draw_rectangle(checkbox->base.x1 + 2, checkbox->base.y1 + 2, checkbox->base.x2 - 2, checkbox->base.y2 - 2, ACTIVE_COLOR);
        break;

    case PEN_UP: //If the user took the pen away, while in the area (=toggle checkbox!)
        checkbox->checked = !checkbox->checked; //Toggle checkbox state
        gui_checkbox_update(checkbox); //redraw/overdraw tickmark

        if (checkbox->callback != NULL) { //The user provided a callback
            checkbox->callback(checkbox, checkbox->checked); //Call the provided callback with the new checked state
        }

    // no break statement here!
    case PEN_LEAVE: //if the user "slided out" of the area
        area->hookedActions = PEN_DOWN; //for the future we only want PEN_DOWN events

        //Draw inactive shadows
        tft_draw_rectangle(checkbox->base.x1 + 1, checkbox->base.y1 + 1, checkbox->base.x2 - 1, checkbox->base.y2 - 1, BACKGROUND_COLOR);
        tft_draw_rectangle(checkbox->base.x1 + 2, checkbox->base.y1 + 2, checkbox->base.x2 - 2, checkbox->base.y2 - 2, BACKGROUND_COLOR);
        break;

    default:
        break;
    }
}

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