/**
*** select_button()
*** Given (x,y) and uberbutton, returns pointer to referred button, or NULL
**/
button_info *select_button(button_info *ub,int x,int y)
{
int i;
int row;
int column;
button_info *b;
if (!(ub->flags&b_Container))
return ub;
x -= buttonXPad(ub) + buttonFrame(ub);
y -= buttonYPad(ub) + buttonFrame(ub);
if(x >= ub->c->width || x < 0 || y >= ub->c->height || y < 0)
return ub;
column = x * ub->c->num_columns / ub->c->width;
row = y * ub->c->num_rows / ub->c->height;
i = button_belongs_to(ub, column + row * ub->c->num_columns);
if (i == -1)
return ub;
b = ub->c->buttons[i];
return select_button(
b, x + ub->c->xpos - buttonXPos(b, i),
y + ub->c->ypos - buttonYPos(b, i));
}
/**
*** RedrawButton()
*** Writes out title, if any, and displays the bevel right, by calling
*** RelieveWindow. If clean is nonzero, also clears background.
**/
void RedrawButton(button_info *b,int clean)
{
int i,j,k,BH,BW;
int f,x,y,px,py;
int ix,iy,iw,ih;
XFontStruct *font=buttonFont(b);
XGCValues gcv;
unsigned long gcm=0;
int rev=0;
int justify=buttonJustify(b);
BW = buttonWidth(b);
BH = buttonHeight(b);
buttonInfo(b,&x,&y,&px,&py,&f);
GetInternalSize(b,&ix,&iy,&iw,&ih);
/* This probably isn't the place for this, but it seems to work here and not
elsewhere, so... */
if((buttonSwallowCount(b)==3) && b->IconWin!=None)
XSetWindowBorderWidth(Dpy,b->IconWin,0);
/* ----------------------------------------------------------------------- */
if(b->flags&b_Hangon || b==CurrentButton) /* Hanging or held down by user */
rev=1;
if(b->flags&b_Action) /* If this is a Desk button that takes you to here.. */
{
int n=0;
while(n<4 && (!b->action[n] || strncasecmp(b->action[n],"Desk",4)))
n++;
if(n<4)
{
k=sscanf(&b->action[n][4],"%d%d",&i,&j);
if(k==2 && i==0 && j==new_desk)
rev=1;
}
}
RelieveWindow(MyWindow,f,x,y,BW,BH,buttonHilite(b),buttonShadow(b),rev);
/* ----------------------------------------------------------------------- */
f=abs(f);
if(clean && BW>2*f && BH>2*f)
{
gcm = GCForeground;
gcv.foreground=buttonBack(b);
XChangeGC(Dpy,NormalGC,gcm,&gcv);
if(b->flags&b_Container)
{
int x1=x+f,y1=y+f;
int w1=px,h1=py,w2=w1,h2=h1;
int w=BW-2*f,h=BH-2*f;
w2+=iw - b->c->num_columns*b->c->ButtonWidth;
h2+=ih - b->c->num_rows*b->c->ButtonHeight;
if(w1)XFillRectangle(Dpy,MyWindow,NormalGC,x1,y1,w1,h);
if(w2)XFillRectangle(Dpy,MyWindow,NormalGC,x1+w-w2,y1,w2,h);
if(h1)XFillRectangle(Dpy,MyWindow,NormalGC,x1,y1,w,h1);
if(h2)XFillRectangle(Dpy,MyWindow,NormalGC,x1,y1+h-h2,w,h2);
}
else
XFillRectangle(Dpy,MyWindow,NormalGC,x+f,y+f,BW-2*f,BH-2*f);
}
/* ----------------------------------------------------------------------- */
/* If a title is to be shown, truncate it until it fits */
if(b->flags&b_Title && font)
{
int l,i,xpos;
char *s;
int just=justify&b_TitleHoriz; /* Left, center, right */
gcm = GCForeground | GCFont;
gcv.foreground=buttonFore(b);
gcv.font = font->fid;
XChangeGC(Dpy,NormalGC,gcm,&gcv);
if(justify&b_Horizontal)
{
if(b->flags&b_Icon)
{
ix+=b->icon->width+buttonXPad(b);
iw-=b->icon->width+buttonXPad(b);
}
else if (buttonSwallowCount(b)==3)
{
ix+=b->icon_w+buttonXPad(b);
iw-=b->icon_w+buttonXPad(b);
}
}
s=b->title;
l=strlen(s);
i=XTextWidth(font,s,l);
if(i>iw)
{
if(just==2)
{
while(i>iw && *s)
i=XTextWidth(font,++s,--l);
}
else /* Left or center - cut off its tail */
{
while(i>iw && l>0)
i=XTextWidth(font,s,--l);
}
}
if(just==0) /* Left */
xpos=ix;
else if(just==2) /* Right */
xpos=max(ix,ix+iw-i);
else /* Centered, I guess */
xpos=ix+(iw-i)/2;
if(*s && l>0 && BH>=font->descent+font->ascent) /* Clip it somehow? */
{
/* If there is more than the title, put it at the bottom */
/* Unless stack flag is set, put it to the right of icon */
if((b->flags&b_Icon || (buttonSwallowCount(b)==3)) &&
!(justify&b_Horizontal))
{
XDrawString(Dpy,MyWindow,NormalGC,xpos,
iy+ih-font->descent,s,l);
/* Shrink the space available for icon/window */
ih-=font->descent+font->ascent;
}
/* Or else center vertically */
else
{
XDrawString(Dpy,MyWindow,NormalGC,xpos,
iy+(ih+font->ascent-font->descent)/2,s,l);
}
}
}
}
