-/*
- * (C)opyright MMIV-MMVI Anselm R. Garbe <garbeam at gmail dot com>
- * See LICENSE file for license details.
- */
-
-#include <stdio.h>
-#include <string.h>
-
-#include "dmenu.h"
-
-static void
-drawborder(Display *dpy, Brush *b)
-{
- XPoint points[5];
- XSetLineAttributes(dpy, b->gc, 1, LineSolid, CapButt, JoinMiter);
- XSetForeground(dpy, b->gc, b->border);
- points[0].x = b->x;
- points[0].y = b->y;
- points[1].x = b->w - 1;
- points[1].y = 0;
- points[2].x = 0;
- points[2].y = b->h - 1;
- points[3].x = -(b->w - 1);
- points[3].y = 0;
- points[4].x = 0;
- points[4].y = -(b->h - 1);
- XDrawLines(dpy, b->drawable, b->gc, points, 5, CoordModePrevious);
-}
+/* See LICENSE file for copyright and license details. */
+
+/* enums */
+enum { ColFG, ColBG, ColLast };
+
+/* typedefs */
+typedef struct {
+ int x, y, w, h;
+ unsigned long norm[ColLast];
+ unsigned long sel[ColLast];
+ Drawable drawable;
+ GC gc;
+ struct {
+ XFontStruct *xfont;
+ XFontSet set;
+ int ascent;
+ int descent;
+ int height;
+ } font;
+} DC; /* draw context */
+
+/* forward declarations */
+static void dccleanup(void);
+static void dcsetup(void);
+static void drawtext(const char *text, unsigned long col[ColLast]);
+static unsigned long getcolor(const char *colstr);
+static void initfont(const char *fontstr);
+static int textnw(const char *text, unsigned int len);
+static int textw(const char *text);
+
+static DC dc;
void
-draw(Display *dpy, Brush *b, Bool border, const char *text)
-{
- unsigned int x, y, w, h, len;
- static char buf[256];
- XGCValues gcv;
- XRectangle r = { b->x, b->y, b->w, b->h };
+dccleanup(void) {
+ if(dc.font.set)
+ XFreeFontSet(dpy, dc.font.set);
+ else
+ XFreeFont(dpy, dc.font.xfont);
+ XFreePixmap(dpy, dc.drawable);
+ XFreeGC(dpy, dc.gc);
+}
- XSetForeground(dpy, b->gc, b->bg);
- XFillRectangles(dpy, b->drawable, b->gc, &r, 1);
+void
+dcsetup(void) {
+ /* style */
+ dc.norm[ColBG] = getcolor(normbgcolor);
+ dc.norm[ColFG] = getcolor(normfgcolor);
+ dc.sel[ColBG] = getcolor(selbgcolor);
+ dc.sel[ColFG] = getcolor(selfgcolor);
+ initfont(font);
+
+ /* pixmap */
+ dc.drawable = XCreatePixmap(dpy, parent, mw, mh, DefaultDepth(dpy, screen));
+ dc.gc = XCreateGC(dpy, parent, 0, NULL);
+ XSetLineAttributes(dpy, dc.gc, 1, LineSolid, CapButt, JoinMiter);
+ if(!dc.font.set)
+ XSetFont(dpy, dc.gc, dc.font.xfont->fid);
+}
- w = 0;
- if(border)
- drawborder(dpy, b);
+void
+drawtext(const char *text, unsigned long col[ColLast]) {
+ char buf[256];
+ int i, x, y, h, len, olen;
+ 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;
-
- len = strlen(text);
- if(len >= sizeof(buf))
- len = sizeof(buf) - 1;
- memcpy(buf, text, len);
- buf[len] = 0;
-
- h = b->font.ascent + b->font.descent;
- y = b->y + (b->h / 2) - (h / 2) + b->font.ascent;
- x = b->x + (h / 2);
-
+ olen = strlen(text);
+ h = dc.font.height;
+ y = dc.y + ((h+2) / 2) - (h / 2) + dc.font.ascent;
+ x = dc.x + (h / 2);
/* shorten text if necessary */
- while(len && (w = textnw(&b->font, buf, len)) > b->w - h)
- buf[--len] = 0;
-
- if(w > b->w)
- return; /* too long */
-
- gcv.foreground = b->fg;
- gcv.background = b->bg;
- if(b->font.set) {
- XChangeGC(dpy, b->gc, GCForeground | GCBackground, &gcv);
- XmbDrawImageString(dpy, b->drawable, b->font.set, b->gc,
- x, y, buf, len);
- }
- else {
- gcv.font = b->font.xfont->fid;
- XChangeGC(dpy, b->gc, GCForeground | GCBackground | GCFont, &gcv);
- XDrawImageString(dpy, b->drawable, b->gc, x, y, buf, len);
- }
-}
-
-static unsigned long
-xloadcolors(Display *dpy, Colormap cmap, const char *colstr)
-{
- XColor color;
- XAllocNamedColor(dpy, cmap, colstr, &color, &color);
- return color.pixel;
+ for(len = MIN(olen, sizeof buf); len && textnw(text, len) > dc.w - h; len--);
+ if(!len)
+ return;
+ memcpy(buf, text, len);
+ if(len < olen)
+ for(i = len; i && i > len - 3; buf[--i] = '.');
+ XSetForeground(dpy, dc.gc, col[ColFG]);
+ if(dc.font.set)
+ XmbDrawString(dpy, dc.drawable, dc.font.set, dc.gc, x, y, buf, len);
+ else
+ XDrawString(dpy, dc.drawable, dc.gc, x, y, buf, len);
}
-void
-loadcolors(Display *dpy, int screen, Brush *b,
- const char *bg, const char *fg, const char *border)
-{
+unsigned long
+getcolor(const char *colstr) {
Colormap cmap = DefaultColormap(dpy, screen);
- b->bg = xloadcolors(dpy, cmap, bg);
- b->fg = xloadcolors(dpy, cmap, fg);
- b->border = xloadcolors(dpy, cmap, border);
-}
-
-unsigned int
-textnw(Fnt *font, char *text, unsigned int len)
-{
- XRectangle r;
- if(font->set) {
- XmbTextExtents(font->set, text, len, NULL, &r);
- return r.width;
- }
- return XTextWidth(font->xfont, text, len);
-}
-
-unsigned int
-textw(Fnt *font, char *text)
-{
- return textnw(font, text, strlen(text));
-}
+ XColor color;
-unsigned int
-texth(Fnt *font)
-{
- return font->height + 4;
+ if(!XAllocNamedColor(dpy, cmap, colstr, &color, &color))
+ eprint("drawtext: cannot allocate color '%s'\n", colstr);
+ return color.pixel;
}
void
-loadfont(Display *dpy, Fnt *font, const char *fontstr)
-{
- char **missing, *def;
- int n;
-
- missing = NULL;
- def = "?";
- setlocale(LC_ALL, "");
- if(font->set)
- XFreeFontSet(dpy, font->set);
- font->set = XCreateFontSet(dpy, fontstr, &missing, &n, &def);
- if(missing) {
- while(n--)
- fprintf(stderr, "missing fontset: %s\n", missing[n]);
+initfont(const char *fontstr) {
+ char *def, **missing = NULL;
+ int i, n;
+
+ if(!fontstr || fontstr[0] == '\0')
+ eprint("drawtext: cannot load font: '%s'\n", fontstr);
+ dc.font.set = XCreateFontSet(dpy, fontstr, &missing, &n, &def);
+ if(missing)
XFreeStringList(missing);
- if(font->set) {
- XFreeFontSet(dpy, font->set);
- font->set = NULL;
- }
- }
- if(font->set) {
- XFontSetExtents *font_extents;
+ if(dc.font.set) {
XFontStruct **xfonts;
char **font_names;
- unsigned int i;
-
- font->ascent = font->descent = 0;
- font_extents = XExtentsOfFontSet(font->set);
- n = XFontsOfFontSet(font->set, &xfonts, &font_names);
- for(i = 0, font->ascent = 0, font->descent = 0; i < n; i++) {
- if(font->ascent < (*xfonts)->ascent)
- font->ascent = (*xfonts)->ascent;
- if(font->descent < (*xfonts)->descent)
- font->descent = (*xfonts)->descent;
+ dc.font.ascent = dc.font.descent = 0;
+ n = XFontsOfFontSet(dc.font.set, &xfonts, &font_names);
+ for(i = 0; i < n; i++) {
+ dc.font.ascent = MAX(dc.font.ascent, (*xfonts)->ascent);
+ dc.font.descent = MAX(dc.font.descent, (*xfonts)->descent);
xfonts++;
}
}
else {
- if(font->xfont)
- XFreeFont(dpy, font->xfont);
- font->xfont = NULL;
- font->xfont = XLoadQueryFont(dpy, fontstr);
- if (!font->xfont)
- font->xfont = XLoadQueryFont(dpy, "fixed");
- if (!font->xfont)
- eprint("error, cannot load 'fixed' font\n");
- font->ascent = font->xfont->ascent;
- font->descent = font->xfont->descent;
+ if(!(dc.font.xfont = XLoadQueryFont(dpy, fontstr))
+ && !(dc.font.xfont = XLoadQueryFont(dpy, "fixed")))
+ eprint("drawtext: cannot load font: '%s'\n", fontstr);
+ dc.font.ascent = dc.font.xfont->ascent;
+ dc.font.descent = dc.font.xfont->descent;
}
- font->height = font->ascent + font->descent;
+ dc.font.height = dc.font.ascent + dc.font.descent;
+}
+
+int
+textnw(const char *text, unsigned int len) {
+ XRectangle r;
+
+ if(dc.font.set) {
+ XmbTextExtents(dc.font.set, text, len, NULL, &r);
+ return r.width;
+ }
+ return XTextWidth(dc.font.xfont, text, len);
+}
+
+int
+textw(const char *text) {
+ return textnw(text, strlen(text)) + dc.font.height;
}
