dmenu

my fork of dmenu
Index Commits Files Refs README LICENSE
commit 96c65400ccdcb76cf20ec7721920f944e6b490ec
parent 6c1d0e4d60b239e9533def6feaf8eb2138858c3e
Author: Connor Lane Smith <cls@lubutu.com>
Date:   Thu, 24 Jun 2010 16:18:18 +0100

decoupled draw.c from dmenu & dinput
Diffstat:
Mdinput.c | 40++++++++++++++++++++++------------------
Mdmenu.c | 49++++++++++++++++++++++++++-----------------------
Mdraw.c | 109++++++++++++++++++++++++++++++++++++++-----------------------------------------
Mdraw.h | 30++++++++++--------------------
4 files changed, 111 insertions(+), 117 deletions(-)
diff --git a/dinput.c b/dinput.c
@@ -38,20 +38,18 @@ static char *prompt = NULL;
 static char text[4096];
 static int promptw = 0;
 static int ret = 0;
+static int screen;
 static unsigned int cursor = 0;
 static unsigned int numlockmask = 0;
+static unsigned int mw, mh;
 static Bool running = True;
-static Window win;
-
-Display *dpy;
-DC dc;
-int screen;
-unsigned int mw, mh;
-Window parent;
+static DC dc;
+static Display *dpy;
+static Window win, parent;
 
 void
 cleanup(void) {
-    drawcleanup();
+    cleanupdraw(&dc);
     XDestroyWindow(dpy, win);
     XUngrabKeyboard(dpy, CurrentTime);
 }
@@ -60,7 +58,7 @@ void
 drawcursor(void) {
     XRectangle r = { dc.x, dc.y + 2, 1, dc.font.height - 2 };
 
-    r.x += textnw(text, cursor) + dc.font.height / 2;
+    r.x += textnw(&dc, text, cursor) + dc.font.height / 2;
 
     XSetForeground(dpy, dc.gc, dc.norm[ColFG]);
     XFillRectangles(dpy, dc.drawable, dc.gc, &r, 1);
@@ -73,15 +71,15 @@ drawinput(void)
     dc.y = 0;
     dc.w = mw;
     dc.h = mh;
-    drawtext(NULL, dc.norm);
+    drawtext(&dc, NULL, dc.norm);
     /* print prompt? */
     if(prompt) {
         dc.w = promptw;
-        drawtext(prompt, dc.sel);
+        drawtext(&dc, prompt, dc.sel);
         dc.x += dc.w;
     }
     dc.w = mw - dc.x;
-    drawtext(*text ? text : NULL, dc.norm);
+    drawtext(&dc, *text ? text : NULL, dc.norm);
     drawcursor();
     XCopyArea(dpy, dc.drawable, win, dc.gc, 0, 0, mw, mh, 0, 0);
     XFlush(dpy);
@@ -269,15 +267,21 @@ setup(Bool topbar) {
         }
     XFreeModifiermap(modmap);
 
-    initfont(font);
+    dc.dpy = dpy;
+    dc.norm[ColBG] = getcolor(&dc, normbgcolor);
+    dc.norm[ColFG] = getcolor(&dc, normfgcolor);
+    dc.sel[ColBG] = getcolor(&dc, selbgcolor);
+    dc.sel[ColFG] = getcolor(&dc, selfgcolor);
+    initfont(&dc, font);
+    fprintf(stderr, "dc.font.xfont: %u\n", (size_t)dc.font.xfont);
 
-    /* menu window */
+    /* input window */
     wa.override_redirect = True;
     wa.background_pixmap = ParentRelative;
     wa.event_mask = ExposureMask | ButtonPressMask | KeyPressMask | VisibilityChangeMask;
 
-    /* menu window geometry */
-    mh = (dc.font.height + 2);
+    /* input window geometry */
+    mh = dc.font.height + 2;
 #if XINERAMA
     if(parent == RootWindow(dpy, screen) && XineramaIsActive(dpy) && (info = XineramaQueryScreens(dpy, &n))) {
         i = 0;
@@ -309,9 +313,9 @@ setup(Bool topbar) {
             DefaultVisual(dpy, screen),
             CWOverrideRedirect | CWBackPixmap | CWEventMask, &wa);
 
-    drawsetup();
+    setupdraw(&dc, win);
     if(prompt)
-        promptw = MIN(textw(prompt), mw / 5);
+        promptw = MIN(textw(&dc, prompt), mw / 5);
     cursor = strlen(text);
     XMapRaised(dpy, win);
 }
diff --git a/dmenu.c b/dmenu.c
@@ -55,26 +55,24 @@ static char text[4096];
 static int cmdw = 0;
 static int promptw = 0;
 static int ret = 0;
+static int screen;
 static unsigned int lines = 0;
 static unsigned int numlockmask = 0;
+static unsigned int mw, mh;
 static Bool running = True;
+static DC dc;
+static Display *dpy;
 static Item *allitems = NULL;  /* first of all items */
 static Item *item = NULL;      /* first of pattern matching items */
 static Item *sel = NULL;
 static Item *next = NULL;
 static Item *prev = NULL;
 static Item *curr = NULL;
-static Window win;
+static Window win, parent;
 static int (*fstrncmp)(const char *, const char *, size_t) = strncmp;
 static char *(*fstrstr)(const char *, const char *) = strstr;
 static void (*calcoffsets)(void) = calcoffsetsh;
 
-Display *dpy;
-DC dc;
-int screen;
-unsigned int mw, mh;
-Window parent;
-
 void
 appenditem(Item *i, Item **list, Item **last) {
     if(!(*last))
@@ -92,11 +90,11 @@ calcoffsetsh(void) {
 
     w = promptw + cmdw + (2 * spaceitem);
     for(next = curr; next; next = next->right)
-        if((w += MIN(textw(next->text), mw / 3)) > mw)
+        if((w += MIN(textw(&dc, next->text), mw / 3)) > mw)
             break;
     w = promptw + cmdw + (2 * spaceitem);
     for(prev = curr; prev && prev->left; prev = prev->left)
-        if((w += MIN(textw(prev->left->text), mw / 3)) > mw)
+        if((w += MIN(textw(&dc, prev->left->text), mw / 3)) > mw)
             break;
 }
 
@@ -143,7 +141,7 @@ cleanup(void) {
         free(allitems);
         allitems = itm;
     }
-    drawcleanup();
+    cleanupdraw(&dc);
     XDestroyWindow(dpy, win);
     XUngrabKeyboard(dpy, CurrentTime);
 }
@@ -161,18 +159,18 @@ drawmenu(void) {
     dc.y = 0;
     dc.w = mw;
     dc.h = mh;
-    drawtext(NULL, dc.norm);
+    drawtext(&dc, NULL, dc.norm);
     /* print prompt? */
     if(prompt) {
         dc.w = promptw;
-        drawtext(prompt, dc.sel);
+        drawtext(&dc, prompt, dc.sel);
         dc.x += dc.w;
     }
     dc.w = mw - dc.x;
     /* print command */
     if(cmdw && item && lines == 0)
         dc.w = cmdw;
-    drawtext(*text ? text : NULL, dc.norm);
+    drawtext(&dc, *text ? text : NULL, dc.norm);
     if(curr) {
         if(lines > 0)
             drawmenuv();
@@ -189,16 +187,16 @@ drawmenuh(void) {
 
     dc.x += cmdw;
     dc.w = spaceitem;
-    drawtext(curr->left ? "<" : NULL, dc.norm);
+    drawtext(&dc, curr->left ? "<" : NULL, dc.norm);
     dc.x += dc.w;
     for(i = curr; i != next; i=i->right) {
-        dc.w = MIN(textw(i->text), mw / 3);
-        drawtext(i->text, (sel == i) ? dc.sel : dc.norm);
+        dc.w = MIN(textw(&dc, i->text), mw / 3);
+        drawtext(&dc, i->text, (sel == i) ? dc.sel : dc.norm);
         dc.x += dc.w;
     }
     dc.w = spaceitem;
     dc.x = mw - dc.w;
-    drawtext(next ? ">" : NULL, dc.norm);
+    drawtext(&dc, next ? ">" : NULL, dc.norm);
 }
 
 void
@@ -209,11 +207,11 @@ drawmenuv(void) {
     dc.h = dc.font.height + 2;
     dc.y = dc.h;
     for(i = curr; i != next; i=i->right) {
-        drawtext(i->text, (sel == i) ? dc.sel : dc.norm);
+        drawtext(&dc, i->text, (sel == i) ? dc.sel : dc.norm);
         dc.y += dc.h;
     }
     dc.h = mh - dc.y;
-    drawtext(NULL, dc.norm);
+    drawtext(&dc, NULL, dc.norm);
 }
 
 Bool
@@ -491,7 +489,12 @@ setup(Bool topbar) {
         }
     XFreeModifiermap(modmap);
 
-    initfont(font);
+    dc.dpy = dpy;
+    dc.norm[ColBG] = getcolor(&dc, normbgcolor);
+    dc.norm[ColFG] = getcolor(&dc, normfgcolor);
+    dc.sel[ColBG] = getcolor(&dc, selbgcolor);
+    dc.sel[ColFG] = getcolor(&dc, selfgcolor);
+    initfont(&dc, font);
 
     /* menu window */
     wa.override_redirect = True;
@@ -531,11 +534,11 @@ setup(Bool topbar) {
             DefaultVisual(dpy, screen),
             CWOverrideRedirect | CWBackPixmap | CWEventMask, &wa);
 
-    drawsetup();
+    setupdraw(&dc, win);
     if(maxname)
-        cmdw = MIN(textw(maxname), mw / 3);
+        cmdw = MIN(textw(&dc, maxname), mw / 3);
     if(prompt)
-        promptw = MIN(textw(prompt), mw / 5);
+        promptw = MIN(textw(&dc, prompt), mw / 5);
     text[0] = '\0';
     match(text);
     XMapRaised(dpy, win);
diff --git a/draw.c b/draw.c
@@ -14,126 +14,123 @@
 #define MAX(a, b)               ((a) > (b) ? (a) : (b))
 
 /* variables */
-char *progname;
+const char *progname;
 
 void
-drawcleanup(void) {
-    if(dc.font.set)
-        XFreeFontSet(dpy, dc.font.set);
+cleanupdraw(DC *dc) {
+    if(dc->font.set)
+        XFreeFontSet(dc->dpy, dc->font.set);
     else
-        XFreeFont(dpy, dc.font.xfont);
-    XFreePixmap(dpy, dc.drawable);
-    XFreeGC(dpy, dc.gc);
+        XFreeFont(dc->dpy, dc->font.xfont);
+    XFreePixmap(dc->dpy, dc->drawable);
+    XFreeGC(dc->dpy, dc->gc);
 }
 
 void
-drawsetup(void) {
-    /* style */
-    dc.norm[ColBG] = getcolor(normbgcolor);
-    dc.norm[ColFG] = getcolor(normfgcolor);
-    dc.sel[ColBG] = getcolor(selbgcolor);
-    dc.sel[ColFG] = getcolor(selfgcolor);
-
-    /* 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);
+setupdraw(DC *dc, Window w) {
+    XWindowAttributes wa;
+
+    XGetWindowAttributes(dc->dpy, w, &wa);
+    dc->drawable = XCreatePixmap(dc->dpy, w, wa.width, wa.height,
+        DefaultDepth(dc->dpy, DefaultScreen(dc->dpy)));
+    dc->gc = XCreateGC(dc->dpy, w, 0, NULL);
+    XSetLineAttributes(dc->dpy, dc->gc, 1, LineSolid, CapButt, JoinMiter);
+    if(!dc->font.set)
+        XSetFont(dc->dpy, dc->gc, dc->font.xfont->fid);
 }
 
 void
-drawtext(const char *text, unsigned long col[ColLast]) {
+drawtext(DC *dc, 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 };
+    XRectangle r = { dc->x, dc->y, dc->w, dc->h };
 
-    XSetForeground(dpy, dc.gc, col[ColBG]);
-    XFillRectangles(dpy, dc.drawable, dc.gc, &r, 1);
+    XSetForeground(dc->dpy, dc->gc, col[ColBG]);
+    XFillRectangles(dc->dpy, dc->drawable, dc->gc, &r, 1);
     if(!text)
         return;
     olen = strlen(text);
-    h = dc.font.height;
-    y = dc.y + ((h+2) / 2) - (h / 2) + dc.font.ascent;
-    x = dc.x + (h / 2);
+    h = dc->font.height;
+    y = dc->y + ((h+2) / 2) - (h / 2) + dc->font.ascent;
+    x = dc->x + (h / 2);
     /* shorten text if necessary */
-    for(len = MIN(olen, sizeof buf); len && textnw(text, len) > dc.w - h; len--);
+    for(len = MIN(olen, sizeof buf); len && textnw(dc, 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);
+    XSetForeground(dc->dpy, dc->gc, col[ColFG]);
+    if(dc->font.set)
+        XmbDrawString(dc->dpy, dc->drawable, dc->font.set, dc->gc, x, y, buf, len);
     else
-        XDrawString(dpy, dc.drawable, dc.gc, x, y, buf, len);
+        XDrawString(dc->dpy, dc->drawable, dc->gc, x, y, buf, len);
 }
 
 void
-eprint(const char *errstr, ...) {
+eprint(const char *fmt, ...) {
     va_list ap;
 
     fprintf(stderr, "%s: ", progname);
-    va_start(ap, errstr);
-    vfprintf(stderr, errstr, ap);
+    va_start(ap, fmt);
+    vfprintf(stderr, fmt, ap);
     va_end(ap);
     exit(EXIT_FAILURE);
 }
 
 unsigned long
-getcolor(const char *colstr) {
-    Colormap cmap = DefaultColormap(dpy, screen);
+getcolor(DC *dc, const char *colstr) {
+    Colormap cmap = DefaultColormap(dc->dpy, DefaultScreen(dc->dpy));
     XColor color;
 
-    if(!XAllocNamedColor(dpy, cmap, colstr, &color, &color))
+    if(!XAllocNamedColor(dc->dpy, cmap, colstr, &color, &color))
         eprint("cannot allocate color '%s'\n", colstr);
     return color.pixel;
 }
 
 void
-initfont(const char *fontstr) {
+initfont(DC *dc, const char *fontstr) {
     char *def, **missing = NULL;
     int i, n;
 
     if(!fontstr || !*fontstr)
         eprint("cannot load null font\n");
-    dc.font.set = XCreateFontSet(dpy, fontstr, &missing, &n, &def);
+    dc->font.set = XCreateFontSet(dc->dpy, fontstr, &missing, &n, &def);
     if(missing)
         XFreeStringList(missing);
-    if(dc.font.set) {
+    if(dc->font.set) {
         XFontStruct **xfonts;
         char **font_names;
-        dc.font.ascent = dc.font.descent = 0;
-        n = XFontsOfFontSet(dc.font.set, &xfonts, &font_names);
+        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);
+            dc->font.ascent = MAX(dc->font.ascent, (*xfonts)->ascent);
+            dc->font.descent = MAX(dc->font.descent, (*xfonts)->descent);
             xfonts++;
         }
     }
     else {
-        if(!(dc.font.xfont = XLoadQueryFont(dpy, fontstr))
-        && !(dc.font.xfont = XLoadQueryFont(dpy, "fixed")))
+        if(!(dc->font.xfont = XLoadQueryFont(dc->dpy, fontstr))
+        && !(dc->font.xfont = XLoadQueryFont(dc->dpy, "fixed")))
             eprint("cannot load font '%s'\n", fontstr);
-        dc.font.ascent = dc.font.xfont->ascent;
-        dc.font.descent = dc.font.xfont->descent;
+        dc->font.ascent = dc->font.xfont->ascent;
+        dc->font.descent = dc->font.xfont->descent;
     }
-    dc.font.height = dc.font.ascent + dc.font.descent;
+    dc->font.height = dc->font.ascent + dc->font.descent;
 }
 
 int
-textnw(const char *text, unsigned int len) {
+textnw(DC *dc, const char *text, unsigned int len) {
     XRectangle r;
 
-    if(dc.font.set) {
-        XmbTextExtents(dc.font.set, text, len, NULL, &r);
+    if(dc->font.set) {
+        XmbTextExtents(dc->font.set, text, len, NULL, &r);
         return r.width;
     }
-    return XTextWidth(dc.font.xfont, text, len);
+    return XTextWidth(dc->font.xfont, text, len);
 }
 
 int
-textw(const char *text) {
-    return textnw(text, strlen(text)) + dc.font.height;
+textw(DC *dc, const char *text) {
+    return textnw(dc, text, strlen(text)) + dc->font.height;
 }
diff --git a/draw.h b/draw.h
@@ -9,6 +9,7 @@ typedef struct {
     unsigned long norm[ColLast];
     unsigned long sel[ColLast];
     Drawable drawable;
+    Display *dpy;
     GC gc;
     struct {
         XFontStruct *xfont;
@@ -20,25 +21,14 @@ typedef struct {
 } DC; /* draw context */
 
 /* forward declarations */
-void drawcleanup(void);
-void drawsetup(void);
-void drawtext(const char *text, unsigned long col[ColLast]);
-void eprint(const char *errstr, ...);
-unsigned long getcolor(const char *colstr);
-void initfont(const char *fontstr);
-int textnw(const char *text, unsigned int len);
-int textw(const char *text);
+void cleanupdraw(DC *dc);
+void setupdraw(DC *dc, Window w);
+void drawtext(DC *dc, const char *text, unsigned long col[ColLast]);
+void eprint(const char *fmt, ...);
+unsigned long getcolor(DC *dc, const char *colstr);
+void initfont(DC *dc, const char *fontstr);
+int textnw(DC *dc, const char *text, unsigned int len);
+int textw(DC *dc, const char *text);
 
 /* variables */
-extern char *progname;
-extern Display *dpy;
-extern DC dc;
-extern int screen;
-extern unsigned int mw, mh;
-extern Window parent;
-
-extern const char *font;
-extern const char *normbgcolor;
-extern const char *normfgcolor;
-extern const char *selbgcolor;
-extern const char *selfgcolor;
+extern const char *progname;