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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 src/gwin/checkbox.c
* @brief GWIN sub-system checkbox code.
*
* @defgroup Checkbox Checkbox
* @ingroup GWIN
*
* @{
*/
#include "gfx.h"
#if (GFX_USE_GWIN && GWIN_NEED_CHECKBOX) || defined(__DOXYGEN__)
static const GCheckboxColor defaultColors = {
Grey, // border
Grey, // selected
Black // background
};
/* default style drawing routine */
static void gwinCheckboxDrawDefaultStyle(GHandle gh, bool_t enabled, bool_t isChecked, void* param) {
#define gcw ((GCheckboxObject *)gh)
(void) enabled;
(void) param;
gdispDrawBox(gh->x, gh->y, gh->width, gh->height, gcw->colors->border);
if (isChecked)
gdispFillArea(gh->x+2, gh->y+2, gh->width-4, gh->height-4, gcw->colors->checked);
else
gdispFillArea(gh->x+2, gh->y+2, gh->width-4, gh->height-4, gcw->colors->bg);
#undef gcw
}
/* process an event callback */
static void gwinCheckboxCallback(void *param, GEvent *pe) {
GSourceListener *psl;
#define gh ((GHandle)param)
#define gbw ((GCheckboxObject *)param)
#define gsh ((GSourceHandle)param)
#define pme ((GEventMouse *)pe)
#define pte ((GEventTouch *)pe)
#define pxe ((GEventToggle *)pe)
#define pbe ((GEventGWinCheckbox *)pe)
/* check if checkbox is disabled */
if (!gh->enabled)
return;
switch (pe->type) {
#if GFX_USE_GINPUT && GINPUT_NEED_MOUSE
case GEVENT_MOUSE:
case GEVENT_TOUCH:
// Ignore anything other than the primary mouse button going up or down
if (!((pme->current_buttons ^ pme->last_buttons) & GINPUT_MOUSE_BTN_LEFT))
return;
if ((pme->current_buttons & GINPUT_MOUSE_BTN_LEFT)
&& pme->x >= gbw->gwin.x && pme->x < gbw->gwin.x + gbw->gwin.width
&& pme->y >= gbw->gwin.y && pme->y < gbw->gwin.y + gbw->gwin.height) {
gbw->isChecked = !gbw->isChecked;
gwinCheckboxDraw((GHandle)param);
break;
}
return;
#endif /* GFX_USE_GINPUT && GINPUT_NEED_MOUSE */
default:
return;
}
// Trigger a GWIN checkbox event
psl = 0;
while ((psl = geventGetSourceListener(gsh, psl))) {
if (!(pe = geventGetEventBuffer(psl)))
continue;
pbe->type = GEVENT_GWIN_CHECKBOX;
pbe->checkbox = gh;
pbe->isChecked = gbw->isChecked;
geventSendEvent(psl);
}
#undef gh
#undef pbe
#undef pme
#undef pte
#undef pxe
#undef gsh
#undef gbw
}
GHandle gwinCheckboxCreate(GCheckboxObject *gb, coord_t x, coord_t y, coord_t width, coord_t height) {
if (!(gb = (GCheckboxObject *)_gwinInit((GWindowObject *)gb, x, y, width, height, sizeof(GCheckboxObject))))
return 0;
gb->gwin.type = GW_CHECKBOX; // create a window of the type checkbox
gb->fn = gwinCheckboxDrawDefaultStyle; // set the default style drawing routine
gb->colors = &defaultColors; // asign the default colors
gb->param = 0; // some safe value here
gb->isChecked = GCHBX_UNCHECKED; // checkbox is currently unchecked
gb->gwin.enabled = TRUE; // checkboxes are enabled by default
geventListenerInit(&gb->listener);
geventRegisterCallback(&gb->listener, gwinCheckboxCallback, gb);
// checkboxes are enabled by default
gb->gwin.enabled = TRUE;
return (GHandle)gb;
}
void gwinCheckboxSetCustom(GHandle gh, GCheckboxDrawFunction fn, void *param) {
#define gcw ((GCheckboxObject *)gh)
if (gh->type != GW_CHECKBOX)
return;
gcw->fn = fn;
gcw->param = param;
#undef gcw
}
void gwinCheckboxSetEnabled(GHandle gh, bool_t enabled) {
if (gh->type != GW_CHECKBOX)
return;
gh->enabled = enabled;
}
void gwinCheckboxDraw(GHandle gh) {
#define gcw ((GCheckboxObject *)gh)
if (gh->type != GW_CHECKBOX)
return;
#if GDISP_NEED_CLIP
//gdispSetClip(gh->x, gh->y, gh->width, gh->height);
#endif
gcw->fn(gh,
gcw->gwin.enabled,
gcw->isChecked,
gcw->param);
#undef gcw
}
#if GFX_USE_GINPUT && GINPUT_NEED_MOUSE
bool_t gwinCheckboxAttachMouse(GHandle gh, uint16_t instance) {
GSourceHandle gsh;
if (gh->type != GW_CHECKBOX || !(gsh = ginputGetMouse(instance)))
return FALSE;
return geventAttachSource(&((GCheckboxObject *)gh)->listener, gsh, GLISTEN_MOUSEMETA);
}
#endif
void gwinCheckboxSetColors(GHandle gh, color_t border, color_t checked, color_t bg) {
#define gcw ((GCheckboxObject *)gh)
if (gh->type != GW_CHECKBOX)
return;
gcw->colors->border = border;
gcw->colors->checked = checked,
gcw->colors->bg = bg;
#undef gcw
}
#endif /* (GFX_USE_GWIN && GWIN_NEED_CHECKBOX) */
/** @} */
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