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/*
* This file is subject to the terms of the GFX License. If a copy of
* the license was not distributed with this file, you can obtain one at:
*
* http://ugfx.org/license.html
*/
/**
* @file src/gwin/checkbox.c
* @brief GWIN sub-system button code.
*
* @defgroup Checkbox Checkbox
* @ingroup GWIN
*
* @{
*/
#include "gfx.h"
#if (GFX_USE_GWIN && GWIN_NEED_CHECKBOX) || defined(__DOXYGEN__)
#include "gwin/class_gwin.h"
// Our checked state
#define GCHECKBOX_FLG_CHECKED (GWIN_FIRST_CONTROL_FLAG<<0)
// Send the checkbox event
static void SendCheckboxEvent(GWidgetObject *gw) {
GSourceListener * psl;
GEvent * pe;
#define pce ((GEventGWinCheckbox *)pe)
// Trigger a GWIN Checkbox Event
psl = 0;
while ((psl = geventGetSourceListener(GWIDGET_SOURCE, psl))) {
if (!(pe = geventGetEventBuffer(psl)))
continue;
pce->type = GEVENT_GWIN_CHECKBOX;
pce->checkbox = &gw->g;
pce->isChecked = (gw->g.flags & GCHECKBOX_FLG_CHECKED) ? TRUE : FALSE;
geventSendEvent(psl);
}
#undef pce
}
#if GINPUT_NEED_MOUSE
static void MouseDown(GWidgetObject *gw, coord_t x, coord_t y) {
(void) x; (void) y;
gw->g.flags ^= GCHECKBOX_FLG_CHECKED;
_gwidgetRedraw((GHandle)gw);
SendCheckboxEvent(gw);
}
#endif
#if GINPUT_NEED_TOGGLE
static void ToggleOn(GWidgetObject *gw, uint16_t role) {
(void) role;
gw->g.flags ^= GCHECKBOX_FLG_CHECKED;
_gwidgetRedraw((GHandle)gw);
SendCheckboxEvent(gw);
}
static void ToggleAssign(GWidgetObject *gw, uint16_t role, uint16_t instance) {
(void) role;
((GCheckboxObject *)gw)->toggle = instance;
}
static uint16_t ToggleGet(GWidgetObject *gw, uint16_t role) {
(void) role;
return ((GCheckboxObject *)gw)->toggle;
}
#endif
// The checkbox VMT table
static const gwidgetVMT checkboxVMT = {
{
"Checkbox", // The classname
sizeof(GCheckboxObject),// The object size
_gwidgetDestroy, // The destroy routine
_gwidgetRedraw, // The redraw routine
0, // The after-clear routine
},
gwinCheckboxDraw_CheckOnLeft, // The default drawing routine
#if GINPUT_NEED_MOUSE
{
MouseDown, // Process mouse down events
0, // Process mouse up events (NOT USED)
0, // Process mouse move events (NOT USED)
},
#endif
#if GINPUT_NEED_TOGGLE
{
1, // 1 toggle role
ToggleAssign, // Assign Toggles
ToggleGet, // Get Toggles
0, // Process toggle off events (NOT USED)
ToggleOn, // Process toggle on events
},
#endif
#if GINPUT_NEED_DIAL
{
0, // No dial roles
0, // Assign Dials (NOT USED)
0, // Get Dials (NOT USED)
0, // Process dial move events (NOT USED)
},
#endif
};
GHandle gwinCheckboxCreate(GCheckboxObject *gb, const GWidgetInit *pInit) {
if (!(gb = (GCheckboxObject *)_gwidgetCreate(&gb->w, pInit, &checkboxVMT)))
return 0;
#if GINPUT_NEED_TOGGLE
gb->toggle = GWIDGET_NO_INSTANCE;
#endif
gwinSetVisible((GHandle)gb, pInit->g.show);
return (GHandle)gb;
}
void gwinCheckboxCheck(GHandle gh, bool_t isChecked) {
if (gh->vmt != (gwinVMT *)&checkboxVMT)
return;
if (isChecked) {
if ((gh->flags & GCHECKBOX_FLG_CHECKED)) return;
gh->flags |= GCHECKBOX_FLG_CHECKED;
} else {
if (!(gh->flags & GCHECKBOX_FLG_CHECKED)) return;
gh->flags &= ~GCHECKBOX_FLG_CHECKED;
}
_gwidgetRedraw(gh);
SendCheckboxEvent((GWidgetObject *)gh);
}
bool_t gwinCheckboxIsChecked(GHandle gh) {
if (gh->vmt != (gwinVMT *)&checkboxVMT)
return FALSE;
return (gh->flags & GCHECKBOX_FLG_CHECKED) ? TRUE : FALSE;
}
/*----------------------------------------------------------
* Custom Draw Routines
*----------------------------------------------------------*/
static const GColorSet *getDrawColors(GWidgetObject *gw) {
if (!(gw->g.flags & GWIN_FLG_ENABLED)) return &gw->pstyle->disabled;
if ((gw->g.flags & GCHECKBOX_FLG_CHECKED)) return &gw->pstyle->pressed;
return &gw->pstyle->enabled;
}
void gwinCheckboxDraw_CheckOnLeft(GWidgetObject *gw, void *param) {
#define gcw ((GCheckboxObject *)gw)
coord_t ld, df;
const GColorSet * pcol;
(void) param;
if (gw->g.vmt != (gwinVMT *)&checkboxVMT) return;
pcol = getDrawColors(gw);
ld = gw->g.width < gw->g.height ? gw->g.width : gw->g.height;
gdispFillArea(gw->g.x+1, gw->g.y+1, ld, ld-2, gw->pstyle->background);
gdispDrawBox(gw->g.x, gw->g.y, ld, ld, pcol->edge);
df = ld < 4 ? 1 : 2;
if (gw->g.flags & GCHECKBOX_FLG_CHECKED)
gdispFillArea(gw->g.x+df, gw->g.y+df, ld-2*df, ld-2*df, pcol->fill);
gdispFillStringBox(gw->g.x+ld+1, gw->g.y, gw->g.width-ld-1, gw->g.height, gw->text, gw->g.font, pcol->text, gw->pstyle->background, justifyLeft);
#undef gcw
}
void gwinCheckboxDraw_CheckOnRight(GWidgetObject *gw, void *param) {
#define gcw ((GCheckboxObject *)gw)
coord_t ep, ld, df;
const GColorSet * pcol;
(void) param;
if (gw->g.vmt != (gwinVMT *)&checkboxVMT) return;
pcol = getDrawColors(gw);
ld = gw->g.width < gw->g.height ? gw->g.width : gw->g.height;
ep = gw->g.width-ld-1;
gdispFillArea(gw->g.x+ep-1, gw->g.y+1, ld, ld-2, gw->pstyle->background);
gdispDrawBox(gw->g.x+ep, gw->g.y, ld, ld, pcol->edge);
df = ld < 4 ? 1 : 2;
if (gw->g.flags & GCHECKBOX_FLG_CHECKED)
gdispFillArea(gw->g.x+ep+df, gw->g.y+df, ld-2*df, ld-2*df, pcol->fill);
gdispFillStringBox(gw->g.x, gw->g.y, ep, gw->g.height, gw->text, gw->g.font, pcol->text, gw->pstyle->background, justifyRight);
#undef gcw
}
#endif /* (GFX_USE_GWIN && GWIN_NEED_CHECKBOX) */
/** @} */
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