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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/gwin_radio.c
* @brief GWIN sub-system radio button code
*/
#include "gfx.h"
#if GFX_USE_GWIN && GWIN_NEED_RADIO
#include "gwin_class.h"
#define GRADIO_TAB_CNR 8 // Diagonal corner on active tab
#define GRADIO_TOP_FADE 50 // (GRADIO_TOP_FADE/255)% fade to white for top of tab/button
#define GRADIO_BOTTOM_FADE 25 // (GRADIO_BOTTOM_FADE/255)% fade to black for bottom of tab/button
#define GRADIO_OUTLINE_FADE 128 // (GRADIO_OUTLINE_FADE/255)% fade to background for active tab edge
// Our pressed state
#define GRADIO_FLG_PRESSED (GWIN_FIRST_CONTROL_FLAG<<0)
// Send the button event
static void SendRadioEvent(GWidgetObject *gw) {
GSourceListener * psl;
GEvent * pe;
#define pbe ((GEventGWinRadio *)pe)
// Trigger a GWIN Button Event
psl = 0;
while ((psl = geventGetSourceListener(GWIDGET_SOURCE, psl))) {
if (!(pe = geventGetEventBuffer(psl)))
continue;
pbe->type = GEVENT_GWIN_RADIO;
pbe->gwin = (GHandle)gw;
pbe->group = ((GRadioObject *)gw)->group;
#if GWIN_WIDGET_TAGS
pbe->tag = gw->tag;
#endif
geventSendEvent(psl);
}
#undef pbe
}
#if GINPUT_NEED_MOUSE
// A mouse down has occurred over the button
static void RadioMouseDown(GWidgetObject *gw, coord_t x, coord_t y) {
(void) x; (void) y;
gwinRadioPress((GHandle)gw);
}
#endif
#if GINPUT_NEED_TOGGLE
// A toggle on has occurred
static void RadioToggleOn(GWidgetObject *gw, uint16_t role) {
(void) role;
gwinRadioPress((GHandle)gw);
}
static void RadioToggleAssign(GWidgetObject *gw, uint16_t role, uint16_t instance) {
(void) role;
((GRadioObject *)gw)->toggle = instance;
}
static uint16_t RadioToggleGet(GWidgetObject *gw, uint16_t role) {
(void) role;
return ((GRadioObject *)gw)->toggle;
}
#endif
// The radio button VMT table
static const gwidgetVMT radioVMT = {
{
"Radio", // The classname
sizeof(GRadioObject), // The object size
_gwidgetDestroy, // The destroy routine
_gwidgetRedraw, // The redraw routine
0, // The after-clear routine
},
gwinRadioDraw_Radio, // The default drawing routine
#if GINPUT_NEED_MOUSE
{
RadioMouseDown, // Process mouse down events
0, // Process mouse up events (NOT USED)
0, // Process mouse move events (NOT USED)
},
#endif
#if GINPUT_NEED_KEYBOARD
{
0 // Process keyboard events
},
#endif
#if GINPUT_NEED_TOGGLE
{
1, // 1 toggle role
RadioToggleAssign, // Assign Toggles
RadioToggleGet, // Get Toggles
0, // Process toggle off events (NOT USED)
RadioToggleOn, // 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 gwinGRadioCreate(GDisplay *g, GRadioObject *gw, const GWidgetInit *pInit, uint16_t group) {
if (!(gw = (GRadioObject *)_gwidgetCreate(g, &gw->w, pInit, &radioVMT)))
return 0;
#if GINPUT_NEED_TOGGLE
gw->toggle = GWIDGET_NO_INSTANCE;
#endif
gw->group = group;
gwinSetVisible((GHandle)gw, pInit->g.show);
return (GHandle)gw;
}
void gwinRadioPress(GHandle gh) {
GHandle gx;
if (gh->vmt != (gwinVMT *)&radioVMT || (gh->flags & GRADIO_FLG_PRESSED))
return;
if ((gx = gwinRadioGetActive(((GRadioObject *)gh)->group))) {
gx->flags &= ~GRADIO_FLG_PRESSED;
_gwinUpdate(gx);
}
gh->flags |= GRADIO_FLG_PRESSED;
_gwinUpdate(gh);
SendRadioEvent((GWidgetObject *)gh);
}
bool_t gwinRadioIsPressed(GHandle gh) {
if (gh->vmt != (gwinVMT *)&radioVMT)
return FALSE;
return (gh->flags & GRADIO_FLG_PRESSED) ? TRUE : FALSE;
}
GHandle gwinRadioGetActive(uint16_t group) {
GHandle gh;
for(gh = gwinGetNextWindow(0); gh; gh = gwinGetNextWindow(gh)) {
if (gh->vmt == (gwinVMT *)&radioVMT && ((GRadioObject *)gh)->group == group && (gh->flags & GRADIO_FLG_PRESSED))
return gh;
}
return 0;
}
/*----------------------------------------------------------
* Custom Draw Routines
*----------------------------------------------------------*/
static const GColorSet *getDrawColors(GWidgetObject *gw) {
if (!(gw->g.flags & GWIN_FLG_SYSENABLED)) return &gw->pstyle->disabled;
if ((gw->g.flags & GRADIO_FLG_PRESSED)) return &gw->pstyle->pressed;
return &gw->pstyle->enabled;
}
void gwinRadioDraw_Radio(GWidgetObject *gw, void *param) {
#define gcw ((GRadioObject *)gw)
coord_t ld, df;
const GColorSet * pcol;
(void) param;
if (gw->g.vmt != (gwinVMT *)&radioVMT) return;
pcol = getDrawColors(gw);
ld = gw->g.width < gw->g.height ? gw->g.width : gw->g.height;
#if GDISP_NEED_CIRCLE
df = (ld-1)/2;
gdispGFillArea(gw->g.display, gw->g.x, gw->g.y, ld, ld, gw->pstyle->background);
gdispGDrawCircle(gw->g.display, gw->g.x+df, gw->g.y+df, df, pcol->edge);
if (gw->g.flags & GRADIO_FLG_PRESSED)
gdispGFillCircle(gw->g.display, gw->g.x+df, gw->g.y+df, df <= 2 ? 1 : (df-2), pcol->fill);
#else
gdispGFillArea(gw->g.display, gw->g.x+1, gw->g.y+1, ld, ld-2, gw->pstyle->background);
gdispGDrawBox(gw->g.display, gw->g.x, gw->g.y, ld, ld, pcol->edge);
df = ld < 4 ? 1 : 2;
if (gw->g.flags & GRADIO_FLG_PRESSED)
gdispGFillArea(gw->g.display, gw->g.x+df, gw->g.y+df, ld-2*df, ld-2*df, pcol->fill);
#endif
gdispGFillStringBox(gw->g.display, 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
}
#if GWIN_FLAT_STYLING
void gwinRadioDraw_Button(GWidgetObject *gw, void *param) {
const GColorSet * pcol;
(void) param;
if (gw->g.vmt != (gwinVMT *)&radioVMT) return;
pcol = getDrawColors(gw);
#if GWIN_NEED_FLASHING
// Flash only the on state.
pcol = _gwinGetFlashedColor(gw, pcol, FALSE);
#endif
gdispGFillStringBox(gw->g.display, gw->g.x, gw->g.y, gw->g.width-1, gw->g.height-1, gw->text, gw->g.font, pcol->text, pcol->fill, justifyCenter);
gdispGDrawLine(gw->g.display, gw->g.x+gw->g.width-1, gw->g.y, gw->g.x+gw->g.width-1, gw->g.y+gw->g.height-1, pcol->edge);
gdispGDrawLine(gw->g.display, gw->g.x, gw->g.y+gw->g.height-1, gw->g.x+gw->g.width-2, gw->g.y+gw->g.height-1, pcol->edge);
}
void gwinRadioDraw_Tab(GWidgetObject *gw, void *param) {
const GColorSet * pcol;
(void) param;
if (gw->g.vmt != (gwinVMT *)&radioVMT) return;
pcol = getDrawColors(gw);
#if GWIN_NEED_FLASHING
// Flash only the on state.
pcol = _gwinGetFlashedColor(gw, pcol, FALSE);
#endif
if ((gw->g.flags & GRADIO_FLG_PRESSED)) {
gdispGDrawBox(gw->g.display, gw->g.x, gw->g.y, gw->g.width, gw->g.height, pcol->edge);
gdispGFillStringBox(gw->g.display, gw->g.x+1, gw->g.y+1, gw->g.width-2, gw->g.height-1, gw->text, gw->g.font, pcol->text, pcol->fill, justifyCenter);
} else {
gdispGFillStringBox(gw->g.display, gw->g.x, gw->g.y, gw->g.width-1, gw->g.height-1, gw->text, gw->g.font, pcol->text, pcol->fill, justifyCenter);
gdispGDrawLine(gw->g.display, gw->g.x+gw->g.width-1, gw->g.y, gw->g.x+gw->g.width-1, gw->g.y+gw->g.height-1, pcol->edge);
gdispGDrawLine(gw->g.display, gw->g.x, gw->g.y+gw->g.height-1, gw->g.x+gw->g.width-2, gw->g.y+gw->g.height-1, pcol->edge);
}
}
#else
void gwinRadioDraw_Button(GWidgetObject *gw, void *param) {
const GColorSet * pcol;
fixed alpha;
fixed dalpha;
coord_t i;
color_t tcol, bcol;
(void) param;
if (gw->g.vmt != (gwinVMT *)&radioVMT) return;
pcol = getDrawColors(gw);
/* Fill the box blended from variants of the fill color */
tcol = gdispBlendColor(White, pcol->fill, GRADIO_TOP_FADE);
bcol = gdispBlendColor(Black, pcol->fill, GRADIO_BOTTOM_FADE);
dalpha = FIXED(255)/gw->g.height;
for(alpha = 0, i = 0; i < gw->g.height; i++, alpha += dalpha)
gdispGDrawLine(gw->g.display, gw->g.x, gw->g.y+i, gw->g.x+gw->g.width-2, gw->g.y+i, gdispBlendColor(bcol, tcol, NONFIXED(alpha)));
gdispGDrawStringBox(gw->g.display, gw->g.x, gw->g.y, gw->g.width-1, gw->g.height-1, gw->text, gw->g.font, pcol->text, justifyCenter);
gdispGDrawLine(gw->g.display, gw->g.x+gw->g.width-1, gw->g.y, gw->g.x+gw->g.width-1, gw->g.y+gw->g.height-1, pcol->edge);
gdispGDrawLine(gw->g.display, gw->g.x, gw->g.y+gw->g.height-1, gw->g.x+gw->g.width-2, gw->g.y+gw->g.height-1, pcol->edge);
}
void gwinRadioDraw_Tab(GWidgetObject *gw, void *param) {
const GColorSet * pcol;
fixed alpha;
fixed dalpha;
coord_t i;
color_t tcol, bcol;
(void) param;
if (gw->g.vmt != (gwinVMT *)&radioVMT) return;
pcol = getDrawColors(gw);
if ((gw->g.flags & GRADIO_FLG_PRESSED)) {
tcol = gdispBlendColor(pcol->edge, gw->pstyle->background, GRADIO_OUTLINE_FADE);
gdispGFillStringBox(gw->g.display, gw->g.x, gw->g.y, gw->g.width, gw->g.height, gw->text, gw->g.font, pcol->text, gw->g.bgcolor, justifyCenter);
gdispGDrawLine(gw->g.display, gw->g.x, gw->g.y, gw->g.x+gw->g.width-(GRADIO_TAB_CNR+1), gw->g.y, tcol);
gdispGDrawLine(gw->g.display, gw->g.x+gw->g.width-(GRADIO_TAB_CNR+1), gw->g.y, gw->g.x+gw->g.width-1, gw->g.y+GRADIO_TAB_CNR, tcol);
gdispGDrawLine(gw->g.display, gw->g.x+gw->g.width-1, gw->g.y+GRADIO_TAB_CNR, gw->g.x+gw->g.width-1, gw->g.y+gw->g.height-1, tcol);
} else {
/* Fill the box blended from variants of the fill color */
tcol = gdispBlendColor(White, pcol->fill, GRADIO_TOP_FADE);
bcol = gdispBlendColor(Black, pcol->fill, GRADIO_BOTTOM_FADE);
dalpha = FIXED(255)/gw->g.height;
for(alpha = 0, i = 0; i < gw->g.height; i++, alpha += dalpha)
gdispGDrawLine(gw->g.display, gw->g.x, gw->g.y+i, gw->g.x+gw->g.width-2, gw->g.y+i, gdispBlendColor(bcol, tcol, NONFIXED(alpha)));
gdispGDrawLine(gw->g.display, gw->g.x+gw->g.width-1, gw->g.y, gw->g.x+gw->g.width-1, gw->g.y+gw->g.height-1, pcol->edge);
gdispGDrawStringBox(gw->g.display, gw->g.x+1, gw->g.y+1, gw->g.width-2, gw->g.height-2, gw->text, gw->g.font, pcol->text, justifyCenter);
}
}
#endif
#endif /* GFX_USE_GWIN && GWIN_NEED_BUTTON */
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