102 lines
3.3 KiB
C
102 lines
3.3 KiB
C
/*
|
|
* draw.c - draw functions
|
|
*
|
|
* Copyright © 2007 Julien Danjou <julien@danjou.info>
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation; either version 2 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License along
|
|
* with this program; if not, write to the Free Software Foundation, Inc.,
|
|
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
|
|
*
|
|
*/
|
|
|
|
#include "layout.h"
|
|
#include "util.h"
|
|
#include "draw.h"
|
|
|
|
void
|
|
drawtext(Display *disp, int screen, DC *drawcontext, Drawable drawable, const char *text, unsigned long col[ColLast], XColor textcolor)
|
|
{
|
|
int x, y, w, h;
|
|
static char buf[256];
|
|
size_t len, olen;
|
|
XRectangle r = { drawcontext->x, drawcontext->y, drawcontext->w, drawcontext->h };
|
|
XRenderColor xrcolor;
|
|
XftColor xftcolor;
|
|
XftDraw *xftdrawable;
|
|
|
|
XSetForeground(disp, drawcontext->gc, col[ColBG]);
|
|
XFillRectangles(disp, drawable, drawcontext->gc, &r, 1);
|
|
if(!text)
|
|
return;
|
|
w = 0;
|
|
olen = len = a_strlen(text);
|
|
if(len >= sizeof(buf))
|
|
len = sizeof(buf) - 1;
|
|
memcpy(buf, text, len);
|
|
buf[len] = 0;
|
|
h = drawcontext->font->height;
|
|
y = drawcontext->y + (drawcontext->h / 2) - (h / 2) + drawcontext->font->ascent;
|
|
x = drawcontext->x + (h / 2);
|
|
while(len && (w = textwidth(disp, drawcontext->font, buf, len)) > drawcontext->w - h)
|
|
buf[--len] = 0;
|
|
if(w > drawcontext->w)
|
|
return; /* too long */
|
|
if(len < olen)
|
|
{
|
|
if(len > 1)
|
|
buf[len - 1] = '.';
|
|
if(len > 2)
|
|
buf[len - 2] = '.';
|
|
if(len > 3)
|
|
buf[len - 3] = '.';
|
|
}
|
|
xrcolor.red = textcolor.red;
|
|
xrcolor.green = textcolor.green;
|
|
xrcolor.blue = textcolor.blue;
|
|
XftColorAllocValue(disp, DefaultVisual(disp, screen), DefaultColormap(disp, screen), &xrcolor, &xftcolor);
|
|
xftdrawable = XftDrawCreate(disp, drawable, DefaultVisual(disp, screen), DefaultColormap(disp, screen));
|
|
XftDrawStringUtf8(xftdrawable, &xftcolor, drawcontext->font, x, y, (FcChar8 *) buf, len);
|
|
XftColorFree(disp, DefaultVisual(disp, screen), DefaultColormap(disp, screen), &xftcolor);
|
|
}
|
|
|
|
void
|
|
drawsquare(Display *disp, DC drawcontext, Drawable drawable, Bool filled, unsigned long col)
|
|
{
|
|
int x;
|
|
XGCValues gcv;
|
|
XRectangle r = { drawcontext.x, drawcontext.y, drawcontext.w, drawcontext.h };
|
|
|
|
x = (drawcontext.font->ascent + drawcontext.font->descent + 2) / 4;
|
|
gcv.foreground = col;
|
|
XChangeGC(disp, drawcontext.gc, GCForeground, &gcv);
|
|
r.x = drawcontext.x + 1;
|
|
r.y = drawcontext.y + 1;
|
|
r.width = r.height = x;
|
|
if(filled)
|
|
{
|
|
r.width++; r.height++;
|
|
XFillRectangles(disp, drawable, drawcontext.gc, &r, 1);
|
|
}
|
|
else
|
|
XDrawRectangles(disp, drawable, drawcontext.gc, &r, 1);
|
|
}
|
|
|
|
|
|
unsigned short
|
|
textwidth(Display *disp, XftFont *font, char *text, ssize_t len)
|
|
{
|
|
XGlyphInfo gi;
|
|
XftTextExtentsUtf8(disp, font, (FcChar8 *) text, len, &gi);
|
|
return gi.width;
|
|
}
|