static int gradio_expose(GWindow pixmap, GGadget *g, GEvent *event) {
GRadio *gr = (GRadio *) g;
int x;
GImage *img = gr->image;
GResImage *mark;
GRect old1, old2, old3;
int yoff = (g->inner.height-(gr->fh))/2;
if ( g->state == gs_invisible )
return( false );
GDrawPushClip(pixmap,&g->r,&old1);
GBoxDrawBackground(pixmap,&g->r,g->box,
g->state==gs_enabled? gs_pressedactive: g->state,false);
GBoxDrawBorder(pixmap,&g->r,g->box,g->state,false);
GDrawPushClip(pixmap,&gr->onoffrect,&old2);
GBoxDrawBackground(pixmap,&gr->onoffrect,gr->ison?gr->onbox:gr->offbox,
gs_pressedactive,false);
GBoxDrawBorder(pixmap,&gr->onoffrect,gr->ison?gr->onbox:gr->offbox,
gs_pressedactive,false);
mark = NULL;
if ( g->state == gs_disabled )
mark = gr->ison ? gr->ondis : gr->offdis;
if ( mark==NULL || mark->image==NULL )
mark = gr->ison ? gr->on : gr->off;
if ( mark!=NULL && mark->image==NULL )
mark = NULL;
if ( mark!=NULL ) {
GDrawPushClip(pixmap,&gr->onoffinner,&old3);
GDrawDrawScaledImage(pixmap,mark->image,
gr->onoffinner.x,gr->onoffinner.y);
GDrawPopClip(pixmap,&old3);
} else if ( gr->ison && gr->onbox == &checkbox_on_box ) {
Color fg = g->state==gs_disabled?g->box->disabled_foreground:
g->box->main_foreground==COLOR_DEFAULT?GDrawGetDefaultForeground(GDrawGetDisplayOfWindow(pixmap)):
g->box->main_foreground;
int bp = GDrawPointsToPixels(pixmap,gr->onbox->border_width);
GDrawDrawLine(pixmap, gr->onoffrect.x+bp,gr->onoffrect.y+bp,
gr->onoffrect.x+gr->onoffrect.width-1-bp,gr->onoffrect.y+gr->onoffrect.height-1-bp,
fg);
GDrawDrawLine(pixmap, gr->onoffrect.x+gr->onoffrect.width-1-bp,gr->onoffrect.y+bp,
gr->onoffrect.x+bp,gr->onoffrect.y+gr->onoffrect.height-1-bp,
fg);
}
GDrawPopClip(pixmap,&old2);
x = gr->onoffrect.x + gr->onoffrect.width + GDrawPointsToPixels(pixmap,4);
GDrawPushClip(pixmap,&g->inner,&old2);
if ( gr->font!=NULL )
GDrawSetFont(pixmap,gr->font);
if ( gr->image_precedes && img!=NULL ) {
GDrawDrawScaledImage(pixmap,img,x,g->inner.y);
x += GImageGetScaledWidth(pixmap,img) + GDrawPointsToPixels(pixmap,_GGadget_TextImageSkip);
}
if ( gr->label!=NULL ) {
Color fg = g->state==gs_disabled?g->box->disabled_foreground:
g->box->main_foreground==COLOR_DEFAULT?GDrawGetDefaultForeground(GDrawGetDisplayOfWindow(pixmap)):
g->box->main_foreground;
int lcnt = gradio_linecount(gr);
if ( lcnt>1 )
yoff = (g->inner.height-lcnt*gr->fh)/2;
_ggadget_underlineMnemonic(pixmap,x,g->inner.y + gr->as + yoff,gr->label,
g->mnemonic,fg,g->inner.y+g->inner.height);
x += GDrawDrawBiText(pixmap,x,g->inner.y + gr->as + yoff,gr->label,-1,NULL,
fg );
x += GDrawPointsToPixels(pixmap,_GGadget_TextImageSkip);
}
if ( !gr->image_precedes && img!=NULL )
GDrawDrawScaledImage(pixmap,img,x,g->inner.y);
GDrawPopClip(pixmap,&old2);
GDrawPopClip(pixmap,&old1);
return( true );
}
/* Called on expose events, this renders the button. */
static int gradio_expose(GWindow pixmap, GGadget *g, GEvent *event) {
GRadio *gr = (GRadio *) g;
int x;
GImage *img = gr->image; /* the optional image tied to the label */
GResImage *mark;
GRect old1, old2, old3;
int yoff = (g->inner.height-(gr->fh))/2;
if ( g->state == gs_invisible )
return( false );
/* First blank out the button area. */
GDrawPushClip(pixmap,&g->r,&old1);
GBoxDrawBackground(pixmap,&g->r,g->box,
g->state==gs_enabled? gs_pressedactive: g->state,false);
GBoxDrawBorder(pixmap,&g->r,g->box,g->state,false);
GDrawPushClip(pixmap,&gr->onoffrect,&old2);
GBoxDrawBackground(pixmap,&gr->onoffrect,gr->ison?gr->onbox:gr->offbox,
gs_pressedactive,false);
if (gr->ison && gr->onbox->border_type!=bt_none)
GBoxDrawBorder(pixmap,&gr->onoffrect,gr->onbox, gs_pressedactive,false);
else if (!gr->ison && gr->offbox->border_type!=bt_none)
GBoxDrawBorder(pixmap,&gr->onoffrect,gr->offbox,gs_pressedactive,false);
/* Next draw either the right image or draw in an on or off indicator. */
mark = NULL;
if ( g->state == gs_disabled )
mark = gr->ison ? gr->ondis : gr->offdis; /* note: ondis or offdis may be NULL! */
if ( mark==NULL || mark->image==NULL )
mark = gr->ison ? gr->on : gr->off; /* note: on or off may be NULL! */
if ( mark!=NULL && mark->image==NULL ) /* when there's a reference to a special image, but no actual image */
mark = NULL;
if ( mark!=NULL ) {
GDrawPushClip(pixmap,&gr->onoffinner,&old3);
GDrawDrawScaledImage(pixmap,mark->image,
gr->onoffinner.x,gr->onoffinner.y);
GDrawPopClip(pixmap,&old3);
} else if ( gr->ison && gr->onbox == &checkbox_on_box ) {
/* for radio buttons where the on is a checkbox style, draw an X */
Color fg = g->state==gs_disabled?g->box->disabled_foreground:
g->box->main_foreground==COLOR_DEFAULT?GDrawGetDefaultForeground(GDrawGetDisplayOfWindow(pixmap)):
g->box->main_foreground;
int bp = GDrawPointsToPixels(pixmap,gr->onbox->border_width);
GDrawDrawLine(pixmap, gr->onoffrect.x+bp,gr->onoffrect.y+bp,
gr->onoffrect.x+gr->onoffrect.width-1-bp,gr->onoffrect.y+gr->onoffrect.height-1-bp,
fg);
GDrawDrawLine(pixmap, gr->onoffrect.x+gr->onoffrect.width-1-bp,gr->onoffrect.y+bp,
gr->onoffrect.x+bp,gr->onoffrect.y+gr->onoffrect.height-1-bp,
fg);
} else if ( gr->ison && gr->onbox == &visibility_on_box ) {
/* draw open white of eye */
GPoint pts[15];
Color fg;
double angle;
int c,i;
int bp = gr->onbox->border_type==bt_none ? 0 : GDrawPointsToPixels(pixmap,gr->onbox->border_width);
int x=gr->onoffrect.x+bp;
int y=gr->onoffrect.y+bp;
int w=gr->onoffrect.width -1-2*bp;
int h=gr->onoffrect.height-1-2*bp;
GRect rect;
for (c=0, i=0; c<7; c++) {
angle=(30+c/6.*120)*M_PI/180;
pts[i].x=.5*w*cos(angle)+x+w/2;
pts[i].y=.5*h*sin(angle)+y+h/4;
++i;
}
for (c=1; c<6; c++) {
angle=(180+30+c/6.*120)*M_PI/180;
pts[i].x=.5*w*cos(angle)+x+w/2;
pts[i].y=.5*h*sin(angle)+y+h*3/4;
++i;
}
pts[i].x=pts[0].x;
pts[i].y=pts[0].y;
++i;
fg=0x00ffffff; /* white */
GDrawFillPoly(pixmap, pts, i, fg);
fg = g->state==gs_disabled?g->box->disabled_foreground:
g->box->main_foreground==COLOR_DEFAULT?GDrawGetDefaultForeground(GDrawGetDisplayOfWindow(pixmap)):
g->box->main_foreground;
GDrawDrawPoly(pixmap, pts, i, fg);
/* draw pupil */
rect.x=gr->onoffrect.x+bp+w*.3;
rect.y=gr->onoffrect.y+bp+h*.3;
rect.width =.4*w;
rect.height=.4*h;
fg=0; /* black */
GDrawFillElipse(pixmap, &rect, fg);
} else if ( (!gr->ison) && gr->onbox == &visibility_on_box ) {
/* draw closed eye */
GPoint pts[6];
int c,i;
double angle;
int bp = gr->onbox->border_type==bt_none ? 0 : GDrawPointsToPixels(pixmap,gr->onbox->border_width);
int x=gr->onoffrect.x+bp;
int y=gr->onoffrect.y+bp;
int w=gr->onoffrect.width -1-2*bp;
int h=gr->onoffrect.height-1-2*bp;
Color fg = g->state==gs_disabled?g->box->disabled_foreground:
g->box->main_foreground==COLOR_DEFAULT?GDrawGetDefaultForeground(GDrawGetDisplayOfWindow(pixmap)):
g->box->main_foreground;
for (c=0, i=0; c<=6; c++) {
angle=(30+c/6.*120)*M_PI/180;
pts[i].x=.5*w*cos(angle)+x+w/2;
pts[i].y=.5*h*sin(angle)+y+h/4;
/* draw lashes */
if (i>0 && i<5) GDrawDrawLine(pixmap, pts[i].x,pts[i].y, .75*w*cos(angle)+x+w/2, .75*h*sin(angle)+y+h/4, fg);
++i;
}
GDrawDrawPoly(pixmap, pts, i, fg);
}
GDrawPopClip(pixmap,&old2);
x = gr->onoffrect.x + gr->onoffrect.width + GDrawPointsToPixels(pixmap,4);
/* Finally write out the label if any. */
GDrawPushClip(pixmap,&g->inner,&old2);
if ( gr->font!=NULL )
GDrawSetFont(pixmap,gr->font);
if ( gr->image_precedes && img!=NULL ) {
GDrawDrawScaledImage(pixmap,img,x,g->inner.y);
x += GImageGetScaledWidth(pixmap,img) + GDrawPointsToPixels(pixmap,_GGadget_TextImageSkip);
}
if ( gr->label!=NULL ) {
Color fg = g->state==gs_disabled?g->box->disabled_foreground:
g->box->main_foreground==COLOR_DEFAULT?GDrawGetDefaultForeground(GDrawGetDisplayOfWindow(pixmap)):
g->box->main_foreground;
int lcnt = gradio_linecount(gr);
if ( lcnt>1 )
yoff = (g->inner.height-lcnt*gr->fh)/2;
_ggadget_underlineMnemonic(pixmap,x,g->inner.y + gr->as + yoff,gr->label,
g->mnemonic,fg,g->inner.y+g->inner.height);
x += GDrawDrawText(pixmap,x,g->inner.y + gr->as + yoff,gr->label,-1,fg);
x += GDrawPointsToPixels(pixmap,_GGadget_TextImageSkip);
}
if ( !gr->image_precedes && img!=NULL )
GDrawDrawScaledImage(pixmap,img,x,g->inner.y);
GDrawPopClip(pixmap,&old2);
GDrawPopClip(pixmap,&old1);
return( true );
}
