-/* (C)opyright MMIV-MMVI Anselm R. Garbe <garbeam at gmail dot com>
- * See LICENSE file for license details.
- */
-#include "dwm.h"
+/* See LICENSE file for copyright and license details. */
#include <stdio.h>
+#include <stdlib.h>
#include <string.h>
-#include <X11/Xlocale.h>
-
-/* static */
-
-static Bool
-isoccupied(unsigned int t)
-{
- Client *c;
- for(c = clients; c; c = c->next)
- if(c->tags[t])
- return True;
- return False;
+#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;
}
-static unsigned int
-textnw(const char *text, unsigned int len) {
- XRectangle r;
+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));
+}
- if(dc.font.set) {
- XmbTextExtents(dc.font.set, text, len, NULL, &r);
- return r.width;
- }
- return XTextWidth(dc.font.xfont, text, len);
+void
+draw_free(Draw *draw) {
+ XFreePixmap(draw->dpy, draw->drawable);
+ XFreeGC(draw->dpy, draw->gc);
+ free(draw);
}
-static void
-drawtext(const char *text, unsigned long col[ColLast], Bool ldot, Bool rdot) {
- int x, y, w, h;
- static char buf[256];
- unsigned int len, olen;
- XGCValues gcv;
- XRectangle r = { dc.x, dc.y, dc.w, dc.h };
-
- XSetForeground(dpy, dc.gc, col[ColBG]);
- XFillRectangles(dpy, dc.drawable, dc.gc, &r, 1);
- if(!text)
- return;
- w = 0;
- olen = len = strlen(text);
- if(len >= sizeof(buf))
- len = sizeof(buf) - 1;
- memcpy(buf, text, len);
- buf[len] = 0;
- h = dc.font.ascent + dc.font.descent;
- y = dc.y + (dc.h / 2) - (h / 2) + dc.font.ascent;
- x = dc.x + (h / 2);
- /* shorten text if necessary */
- while(len && (w = textnw(buf, len)) > dc.w - h)
- buf[--len] = 0;
- if(len < olen) {
- if(len > 1)
- buf[len - 1] = '.';
- if(len > 2)
- buf[len - 2] = '.';
- if(len > 3)
- buf[len - 3] = '.';
+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(w > dc.w)
- return; /* too long */
- gcv.foreground = col[ColFG];
- if(dc.font.set) {
- XChangeGC(dpy, dc.gc, GCForeground, &gcv);
- XmbDrawString(dpy, dc.drawable, dc.font.set, dc.gc, x, y, buf, len);
+ 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 {
- gcv.font = dc.font.xfont->fid;
- XChangeGC(dpy, dc.gc, GCForeground | GCFont, &gcv);
- XDrawString(dpy, dc.drawable, dc.gc, x, y, buf, len);
- }
- if(ldot) {
- r.x = dc.x + 2;
- r.y = dc.y + 2;
- r.width = r.height = (h + 2) / 4;
- XFillRectangles(dpy, dc.drawable, dc.gc, &r, 1);
- }
- if(rdot) {
- r.width = r.height = (h + 2) / 4;
- r.x = dc.x + dc.w - r.width - 2;
- r.y = dc.y + dc.h - r.height - 2;
- XFillRectangles(dpy, dc.drawable, dc.gc, &r, 1);
+ 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);
}
-/* extern */
+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
-drawall(void) {
- Client *c;
+draw_col_free(Draw *draw, Col *col) {
+ if(!col)
+ return;
+ free(col);
+}
- for(c = clients; c; c = getnext(c->next))
- drawtitle(c);
- drawstatus();
+void
+draw_setfont(Draw *draw, Fnt *font) {
+ if(!draw)
+ return;
+ draw->font = font;
}
void
-drawstatus(void) {
- int i, x;
-
- dc.x = dc.y = 0;
- for(i = 0; i < ntags; i++) {
- dc.w = textw(tags[i]);
- if(seltag[i])
- drawtext(tags[i], dc.sel, sel && sel->tags[i], isoccupied(i));
- else
- drawtext(tags[i], dc.norm, sel && sel->tags[i], isoccupied(i));
- dc.x += dc.w;
- }
- dc.w = bmw;
- drawtext(arrange == dofloat ? FLOATSYMBOL : TILESYMBOL, dc.status, False, False);
- x = dc.x + dc.w;
- dc.w = textw(stext);
- dc.x = bw - dc.w;
- if(dc.x < x) {
- dc.x = x;
- dc.w = bw - x;
- }
- drawtext(stext, dc.status, False, False);
- if((dc.w = dc.x - x) > bh) {
- dc.x = x;
- drawtext(sel ? sel->name : NULL, sel ? dc.sel : dc.norm, False, False);
- }
- XCopyArea(dpy, dc.drawable, barwin, dc.gc, 0, 0, bw, bh, 0, 0);
- XSync(dpy, False);
+draw_setfg(Draw *draw, Col *col) {
+ if(!draw)
+ return;
+ draw->fg = col;
}
void
-drawtitle(Client *c) {
- if(c == sel && issel) {
- drawstatus();
- XUnmapWindow(dpy, c->twin);
- XSetWindowBorder(dpy, c->win, dc.sel[ColBG]);
+draw_setbg(Draw *draw, Col *col) {
+ if(!draw)
return;
- }
- XSetWindowBorder(dpy, c->win, dc.norm[ColBG]);
- XMapWindow(dpy, c->twin);
- dc.x = dc.y = 0;
- dc.w = c->tw;
- drawtext(c->name, dc.norm, False,False);
- XCopyArea(dpy, dc.drawable, c->twin, dc.gc, 0, 0, c->tw, c->th, 0, 0);
- XSync(dpy, False);
+ draw->bg = col;
}
-unsigned long
-getcolor(const char *colstr) {
- Colormap cmap = DefaultColormap(dpy, screen);
- XColor color;
+void
+draw_rect(Draw *draw, int x, int y, unsigned int w, unsigned int h, Bool filled, Bool empty, Bool invert) {
+ int dx;
- if(!XAllocNamedColor(dpy, cmap, colstr, &color, &color))
- eprint("error, cannot allocate color '%s'\n", colstr);
- return color.pixel;
+ 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
-setfont(const char *fontstr) {
- char **missing, *def;
- int i, n;
-
- missing = NULL;
- setlocale(LC_ALL, "");
- if(dc.font.set)
- XFreeFontSet(dpy, dc.font.set);
- dc.font.set = XCreateFontSet(dpy, fontstr, &missing, &n, &def);
- if(missing) {
- while(n--)
- fprintf(stderr, "missing fontset: %s\n", missing[n]);
- XFreeStringList(missing);
- if(dc.font.set) {
- XFreeFontSet(dpy, dc.font.set);
- dc.font.set = NULL;
- }
- }
- if(dc.font.set) {
- XFontSetExtents *font_extents;
- XFontStruct **xfonts;
- char **font_names;
- dc.font.ascent = dc.font.descent = 0;
- font_extents = XExtentsOfFontSet(dc.font.set);
- n = XFontsOfFontSet(dc.font.set, &xfonts, &font_names);
- for(i = 0, dc.font.ascent = 0, dc.font.descent = 0; i < n; i++) {
- if(dc.font.ascent < (*xfonts)->ascent)
- dc.font.ascent = (*xfonts)->ascent;
- if(dc.font.descent < (*xfonts)->descent)
- dc.font.descent = (*xfonts)->descent;
- xfonts++;
- }
+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 {
- if(dc.font.xfont)
- XFreeFont(dpy, dc.font.xfont);
- dc.font.xfont = NULL;
- dc.font.xfont = XLoadQueryFont(dpy, fontstr);
- if (!dc.font.xfont)
- dc.font.xfont = XLoadQueryFont(dpy, "fixed");
- if (!dc.font.xfont)
- eprint("error, cannot init 'fixed' font\n");
- dc.font.ascent = dc.font.xfont->ascent;
- dc.font.descent = dc.font.xfont->descent;
+ 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;
}
- dc.font.height = dc.font.ascent + dc.font.descent;
-}
-
-unsigned int
-textw(const char *text) {
- return textnw(text, strlen(text)) + dc.font.height;
}