removed draw.c, implemented C-w handling (backward word deletion)

[dmenu.git] / main.c

diff --git a/main.c b/main.c
index f1f71fd..0840643 100644 (file)
--- a/main.c
+++ b/main.c
@@ -44,6 +44,22 @@ static Item *curr = NULL;
 static Window root;
 static Window win;
 
+static unsigned 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);
+}
+
+static unsigned int
+textw(const char *text) {
+       return textnw(text, strlen(text)) + dc.font.height;
+}
+
 static void
 calcoffsets(void) {
        unsigned int tw, w;
@@ -70,6 +86,53 @@ calcoffsets(void) {
        }
 }
 
+static void
+drawtext(const char *text, unsigned long col[ColLast]) {
+       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] = '.';
+       }
+       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);
+       }
+       else {
+               gcv.font = dc.font.xfont->fid;
+               XChangeGC(dpy, dc.gc, GCForeground | GCFont, &gcv);
+               XDrawString(dpy, dc.drawable, dc.gc, x, y, buf, len);
+       }
+}
+
 static void
 drawmenu(void) {
        Item *i;
@@ -111,6 +174,54 @@ drawmenu(void) {
        XFlush(dpy);
 }
 
+static unsigned long
+getcolor(const char *colstr) {
+       Colormap cmap = DefaultColormap(dpy, screen);
+       XColor color;
+
+       if(!XAllocNamedColor(dpy, cmap, colstr, &color, &color))
+               eprint("error, cannot allocate color '%s'\n", colstr);
+       return color.pixel;
+}
+
+static void
+setfont(const char *fontstr) {
+       char *def, **missing;
+       int i, n;
+
+       missing = NULL;
+       if(dc.font.set)
+               XFreeFontSet(dpy, dc.font.set);
+       dc.font.set = XCreateFontSet(dpy, fontstr, &missing, &n, &def);
+       if(missing)
+               XFreeStringList(missing);
+       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++;
+               }
+       }
+       else {
+               if(dc.font.xfont)
+                       XFreeFont(dpy, dc.font.xfont);
+               dc.font.xfont = NULL;
+               if(!(dc.font.xfont = XLoadQueryFont(dpy, fontstr)))
+                       eprint("error, cannot load font: '%s'\n", fontstr);
+               dc.font.ascent = dc.font.xfont->ascent;
+               dc.font.descent = dc.font.xfont->descent;
+       }
+       dc.font.height = dc.font.ascent + dc.font.descent;
+}
+
 static void
 match(char *pattern) {
        unsigned int plen;
@@ -151,8 +262,8 @@ match(char *pattern) {
 static void
 kpress(XKeyEvent * e) {
        char buf[32];
-       int num, prev_nitem;
-       unsigned int i, len;
+       int i, num, prev_nitem;
+       unsigned int len;
        KeySym ksym;
 
        len = strlen(text);
@@ -188,6 +299,18 @@ kpress(XKeyEvent * e) {
                        match(text);
                        drawmenu();
                        return;
+               case XK_w:
+               case XK_W:
+                       if(len) {
+                               i = len - 1;
+                               while(i >= 0 && text[i] == ' ')
+                                       text[i--] = 0;
+                               while(i >= 0 && text[i] != ' ')
+                                       text[i--] = 0;
+                               match(text);
+                               drawmenu();
+                       }
+                       return;
                }
        }
        if(CLEANMASK(e->state) & Mod1Mask) {