+++ /dev/null
-/* See LICENSE file for copyright and license details. */
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <X11/Xlib.h>
-
-#include "draw.h"
-#include "util.h"
-
-Draw *
-draw_create(Display *dpy, int screen, Window win, unsigned int w, unsigned int h) {
- Draw *draw = (Draw *)calloc(1, sizeof(Draw));
- draw->dpy = dpy;
- draw->screen = screen;
- draw->win = win;
- draw->w = w;
- draw->h = h;
- draw->drawable = XCreatePixmap(dpy, win, w, h, DefaultDepth(dpy, screen));
- draw->gc = XCreateGC(dpy, win, 0, NULL);
- XSetLineAttributes(dpy, draw->gc, 1, LineSolid, CapButt, JoinMiter);
- return draw;
-}
-
-void
-draw_resize(Draw *draw, unsigned int w, unsigned int h) {
- if(!draw)
- return;
- draw->w = w;
- draw->h = h;
- XFreePixmap(draw->dpy, draw->drawable);
- draw->drawable = XCreatePixmap(draw->dpy, draw->win, w, h, DefaultDepth(draw->dpy, draw->screen));
-}
-
-void
-draw_free(Draw *draw) {
- XFreePixmap(draw->dpy, draw->drawable);
- XFreeGC(draw->dpy, draw->gc);
- free(draw);
-}
-
-Fnt *
-draw_font_create(Draw *draw, const char *fontname) {
- Fnt *font;
- char *def, **missing;
- int n;
-
- if(!draw)
- return NULL;
- font = (Fnt *)calloc(1, sizeof(Fnt));
- font->set = XCreateFontSet(draw->dpy, fontname, &missing, &n, &def);
- if(missing) {
- while(n--)
- fprintf(stderr, "draw: missing fontset: %s\n", missing[n]);
- XFreeStringList(missing);
- }
- if(font->set) {
- XFontStruct **xfonts;
- char **font_names;
- XExtentsOfFontSet(font->set);
- n = XFontsOfFontSet(font->set, &xfonts, &font_names);
- while(n--) {
- font->ascent = MAX(font->ascent, (*xfonts)->ascent);
- font->descent = MAX(font->descent,(*xfonts)->descent);
- xfonts++;
- }
- }
- else {
- if(!(font->xfont = XLoadQueryFont(draw->dpy, fontname))
- && !(font->xfont = XLoadQueryFont(draw->dpy, "fixed")))
- die("error, cannot load font: '%s'\n", fontname);
- font->ascent = font->xfont->ascent;
- font->descent = font->xfont->descent;
- }
- font->h = font->ascent + font->descent;
- return font;
-}
-
-void
-draw_font_free(Draw *draw, Fnt *font) {
- if(!draw || !font)
- return;
- if(font->set)
- XFreeFontSet(draw->dpy, font->set);
- else
- XFreeFont(draw->dpy, font->xfont);
- free(font);
-}
-
-Col *
-draw_col_create(Draw *draw, const char *colname) {
- Col *col = (Col *)calloc(1, sizeof(Col));
- Colormap cmap = DefaultColormap(draw->dpy, draw->screen);
- XColor color;
-
- if(!XAllocNamedColor(draw->dpy, cmap, colname, &color, &color))
- die("error, cannot allocate color '%s'\n", colname);
- col->rgb = color.pixel;
- return col;
-}
-
-void
-draw_col_free(Draw *draw, Col *col) {
- if(!col)
- return;
- free(col);
-}
-
-void
-draw_setfont(Draw *draw, Fnt *font) {
- if(!draw)
- return;
- draw->font = font;
-}
-
-void
-draw_setfg(Draw *draw, Col *col) {
- if(!draw)
- return;
- draw->fg = col;
-}
-
-void
-draw_setbg(Draw *draw, Col *col) {
- if(!draw)
- return;
- draw->bg = col;
-}
-
-void
-draw_rect(Draw *draw, int x, int y, unsigned int w, unsigned int h, Bool filled, Bool empty, Bool invert) {
- int dx;
-
- if(!draw || !draw->font || !draw->fg || !draw->bg)
- return;
- XSetForeground(draw->dpy, draw->gc, invert ? draw->bg->rgb : draw->fg->rgb);
- dx = (draw->font->ascent + draw->font->descent + 2) / 4;
- if(filled)
- XFillRectangle(draw->dpy, draw->drawable, draw->gc, x+1, y+1, dx+1, dx+1);
- else if(empty)
- XDrawRectangle(draw->dpy, draw->drawable, draw->gc, x+1, y+1, dx, dx);
-}
-
-void
-draw_text(Draw *draw, int x, int y, unsigned int w, unsigned int h, const char *text, Bool invert) {
- char buf[256];
- int i, tx, ty, len, olen;
- TextExtents tex;
-
- if(!draw || !draw->fg || !draw->bg)
- return;
- XSetForeground(draw->dpy, draw->gc, invert ? draw->fg->rgb : draw->bg->rgb);
- XFillRectangle(draw->dpy, draw->drawable, draw->gc, x, y, w, h);
- if(!text || !draw->font)
- return;
- olen = strlen(text);
- draw_getextents(draw, text, olen, &tex);
- ty = y + (h / 2) - tex.yOff;
- tx = x + tex.xOff;
- /* shorten text if necessary */
- for(len = MIN(olen, sizeof buf); len && tex.w > w - tex.h; len--)
- draw_getextents(draw, text, len, &tex);
- if(!len)
- return;
- memcpy(buf, text, len);
- if(len < olen)
- for(i = len; i && i > len - 3; buf[--i] = '.');
- XSetForeground(draw->dpy, draw->gc, invert ? draw->bg->rgb : draw->fg->rgb);
- if(draw->font->set)
- XmbDrawString(draw->dpy, draw->drawable, draw->font->set, draw->gc, tx, ty, buf, len);
- else
- XDrawString(draw->dpy, draw->drawable, draw->gc, tx, ty, buf, len);
-}
-
-void
-draw_map(Draw *draw, int x, int y, unsigned int w, unsigned int h) {
- if(!draw)
- return;
- XCopyArea(draw->dpy, draw->drawable, draw->win, draw->gc, x, y, w, h, x, y);
- XSync(draw->dpy, False);
-}
-
-
-void
-draw_getextents(Draw *draw, const char *text, unsigned int len, TextExtents *extents) {
- XRectangle r;
-
- if(!draw || !draw->font || !text)
- return;
- if(draw->font->set) {
- XmbTextExtents(draw->font->set, text, len, NULL, &r);
- extents->xOff = r.x;
- extents->yOff = r.y;
- extents->w = r.width;
- extents->h = r.height;
- }
- else {
- extents->h = draw->font->ascent + draw->font->descent;
- extents->w = XTextWidth(draw->font->xfont, text, len);
- extents->xOff = extents->h / 2;
- extents->yOff = (extents->h / 2) + draw->font->ascent;
- }
-}
Got questions, comments, patches, etc.? Contact Jason Woofenden