Improving some error messages

[xmenu] / xmenu.c

diff --git a/xmenu.c b/xmenu.c
index 56d470b..4407229 100644 (file)
--- a/xmenu.c
+++ b/xmenu.c
@@ -96,7 +96,6 @@ static Atom wmdelete;
 static Atom netatom[NetLast];
 
 /* flags */
 static Atom netatom[NetLast];
 
 /* flags */

-static int fflag = 0;   /* whether glyphs should align based on the first font */

 static int iflag = 0;   /* whether to disable icons */
 static int mflag = 0;   /* whether the user specified a monitor with -p */
 static int pflag = 0;   /* whether the user specified a position with -p */
 static int iflag = 0;   /* whether to disable icons */
 static int mflag = 0;   /* whether the user specified a monitor with -p */
 static int pflag = 0;   /* whether the user specified a position with -p */


@@ -118,11 +117,8 @@ main(int argc, char *argv[])
        XClassHint classh;
        int ch;
 
        XClassHint classh;
        int ch;
 

-       while ((ch = getopt(argc, argv, "fip:w")) != -1) {
+       while ((ch = getopt(argc, argv, "ip:w")) != -1) {

                switch (ch) {
                switch (ch) {

-               case 'f':
-                       fflag = 1;
-                       break;

                case 'i':
                        iflag = 1;
                        break;
                case 'i':
                        iflag = 1;
                        break;


@@ -146,7 +142,7 @@ main(int argc, char *argv[])
 
        /* open connection to server and set X variables */
        if ((dpy = XOpenDisplay(NULL)) == NULL)
 
        /* open connection to server and set X variables */
        if ((dpy = XOpenDisplay(NULL)) == NULL)

-               errx(1, "cannot open display");
+               errx(1, "could not open display");

        screen = DefaultScreen(dpy);
        visual = DefaultVisual(dpy, screen);
        rootwin = RootWindow(dpy, screen);
        screen = DefaultScreen(dpy);
        visual = DefaultVisual(dpy, screen);
        rootwin = RootWindow(dpy, screen);


@@ -260,9 +256,8 @@ parsefonts(const char *s)
                i = 0;
                while (isspace(*p))
                        p++;
                i = 0;
                while (isspace(*p))
                        p++;

-               while (i < sizeof buf && *p != '\0' && *p != ',') {
+               while (i < sizeof buf && *p != '\0' && *p != ',')

                        buf[i++] = *p++;
                        buf[i++] = *p++;

-               }

                if (i >= sizeof buf)
                        errx(1, "font name too long");
                if (*p == ',')
                if (i >= sizeof buf)
                        errx(1, "font name too long");
                if (*p == ',')


@@ -272,7 +267,7 @@ parsefonts(const char *s)
                        if ((dc.pattern = FcNameParse((FcChar8 *)buf)) == NULL)
                                errx(1, "the first font in the cache must be loaded from a font string");
                if ((dc.fonts[nfont++] = XftFontOpenName(dpy, screen, buf)) == NULL)
                        if ((dc.pattern = FcNameParse((FcChar8 *)buf)) == NULL)
                                errx(1, "the first font in the cache must be loaded from a font string");
                if ((dc.fonts[nfont++] = XftFontOpenName(dpy, screen, buf)) == NULL)

-                       errx(1, "cannot load font");
+                       errx(1, "could not load font");

        }
 }
 
        }
 }
 


@@ -281,7 +276,7 @@ static void
 ealloccolor(const char *s, XftColor *color)
 {
        if(!XftColorAllocName(dpy, visual, colormap, s, color))
 ealloccolor(const char *s, XftColor *color)
 {
        if(!XftColorAllocName(dpy, visual, colormap, s, color))

-               errx(1, "cannot allocate color: %s", s);
+               errx(1, "could not allocate color: %s", s);

 }
 
 /* query monitor information and cursor position */
 }
 
 /* query monitor information and cursor position */


@@ -305,7 +300,7 @@ initmonitor(void)
        if ((info = XineramaQueryScreens(dpy, &nmons)) != NULL) {
                int selmon = 0;
 
        if ((info = XineramaQueryScreens(dpy, &nmons)) != NULL) {
                int selmon = 0;
 

-               if (!mflag || (mflag && (config.monitor < 0 || config.monitor >= nmons))) {
+               if (!mflag || config.monitor < 0 || config.monitor >= nmons) {

                        for (i = 0; i < nmons; i++) {
                                if (BETWEEN(cursx, info[i].x_org, info[i].x_org + info[i].width) &&
                                    BETWEEN(cursy, info[i].y_org, info[i].y_org + info[i].height)) {
                        for (i = 0; i < nmons; i++) {
                                if (BETWEEN(cursx, info[i].x_org, info[i].x_org + info[i].width) &&
                                    BETWEEN(cursy, info[i].y_org, info[i].y_org + info[i].height)) {


@@ -519,7 +514,7 @@ buildmenutree(unsigned level, const char *label, const char *output, char *file)
                          menu = menu->parent, i++)
                        ;
                if (menu == NULL)
                          menu = menu->parent, i++)
                        ;
                if (menu == NULL)

-                       errx(1, "reached NULL menu");
+                       errx(1, "improper indentation detected");

 
                /* find last item in the new menu */
                for (item = menu->list; item->next != NULL; item = item->next)
 
                /* find last item in the new menu */
                for (item = menu->list; item->next != NULL; item = item->next)


@@ -648,11 +643,11 @@ getnextutf8char(const char *s, const char **next_ret)
 static XftFont *
 getfontucode(FcChar32 ucode)
 {
 static XftFont *
 getfontucode(FcChar32 ucode)
 {

-       FcCharSet *fccharset;
-       FcPattern *fcpattern;
-       FcPattern *match;
+       FcCharSet *fccharset = NULL;
+       FcPattern *fcpattern = NULL;
+       FcPattern *match = NULL;
+       XftFont *retfont = NULL;

        XftResult result;
        XftResult result;

-       XftFont *retfont;

        size_t i;
 
        for (i = 0; i < dc.nfonts; i++)
        size_t i;
 
        for (i = 0; i < dc.nfonts; i++)


@@ -663,14 +658,18 @@ getfontucode(FcChar32 ucode)
        fccharset = FcCharSetCreate();
        FcCharSetAddChar(fccharset, ucode);
 
        fccharset = FcCharSetCreate();
        FcCharSetAddChar(fccharset, ucode);
 

-       /* create a pattern akin to the dc.pattern but containing our code point */
-       fcpattern = FcPatternDuplicate(dc.pattern);
-       FcPatternAddCharSet(fcpattern, FC_CHARSET, fccharset);
+       /* create a pattern akin to the dc.pattern but containing our charset */
+       if (fccharset) {
+               fcpattern = FcPatternDuplicate(dc.pattern);
+               FcPatternAddCharSet(fcpattern, FC_CHARSET, fccharset);
+       }

 
        /* find pattern matching fcpattern */
 
        /* find pattern matching fcpattern */

-       FcConfigSubstitute(NULL, fcpattern, FcMatchPattern);
-       FcDefaultSubstitute(fcpattern);
-       match = XftFontMatch(dpy, screen, fcpattern, &result);
+       if (fcpattern) {
+               FcConfigSubstitute(NULL, fcpattern, FcMatchPattern);
+               FcDefaultSubstitute(fcpattern);
+               match = XftFontMatch(dpy, screen, fcpattern, &result);
+       }

 
        /* if found a pattern, open its font */
        if (match) {
 
        /* if found a pattern, open its font */
        if (match) {


@@ -678,8 +677,8 @@ getfontucode(FcChar32 ucode)
                if (retfont && XftCharExists(dpy, retfont, ucode) == FcTrue) {
                        if ((dc.fonts = realloc(dc.fonts, dc.nfonts+1)) == NULL)
                                err(1, "realloc");
                if (retfont && XftCharExists(dpy, retfont, ucode) == FcTrue) {
                        if ((dc.fonts = realloc(dc.fonts, dc.nfonts+1)) == NULL)
                                err(1, "realloc");

-                       dc.fonts[dc.nfonts++] = retfont;
-                       return retfont;
+                       dc.fonts[dc.nfonts] = retfont;
+                       return dc.fonts[dc.nfonts++];

                } else {
                        XftFontClose(dpy, retfont);
                }
                } else {
                        XftFontClose(dpy, retfont);
                }


@@ -694,9 +693,6 @@ static int
 drawtext(XftDraw *draw, XftColor *color, int x, int y, unsigned h, const char *text)
 {
        int textwidth = 0;
 drawtext(XftDraw *draw, XftColor *color, int x, int y, unsigned h, const char *text)
 {
        int textwidth = 0;

-       int texty;
-
-       texty = y + (h - (dc.fonts[0]->ascent + dc.fonts[0]->descent))/2 + dc.fonts[0]->ascent;

 
        while (*text) {
                XftFont *currfont;
 
        while (*text) {
                XftFont *currfont;


@@ -713,8 +709,9 @@ drawtext(XftDraw *draw, XftColor *color, int x, int y, unsigned h, const char *t
                textwidth += ext.xOff;
 
                if (draw) {
                textwidth += ext.xOff;
 
                if (draw) {

-                       if (!fflag)
-                               texty = y + (h - (currfont->ascent + currfont->descent))/2 + currfont->ascent;
+                       int texty;
+
+                       texty = y + (h - (currfont->ascent + currfont->descent))/2 + currfont->ascent;

                        XftDrawStringUtf8(draw, color, currfont, x, texty, (XftChar8 *)text, len);
                        x += ext.xOff;
                }
                        XftDrawStringUtf8(draw, color, currfont, x, texty, (XftChar8 *)text, len);
                        x += ext.xOff;
                }


@@ -867,7 +864,7 @@ grabpointer(void)
                        return;
                nanosleep(&ts, NULL);
        }
                        return;
                nanosleep(&ts, NULL);
        }

-       errx(1, "cannot grab keyboard");
+       errx(1, "could not grab pointer");

 }
 
 /* try to grab keyboard, we may have to wait for another process to ungrab */
 }
 
 /* try to grab keyboard, we may have to wait for another process to ungrab */


@@ -883,7 +880,7 @@ grabkeyboard(void)
                        return;
                nanosleep(&ts, NULL);
        }
                        return;
                nanosleep(&ts, NULL);
        }

-       errx(1, "cannot grab keyboard");
+       errx(1, "could not grab keyboard");

 }
 
 /* load and scale icon */
 }
 
 /* load and scale icon */


@@ -897,7 +894,7 @@ loadicon(const char *file)
 
        icon = imlib_load_image(file);
        if (icon == NULL)
 
        icon = imlib_load_image(file);
        if (icon == NULL)

-               errx(1, "cannot load icon %s", file);
+               errx(1, "could not load icon %s", file);

 
        imlib_context_set_image(icon);
 
 
        imlib_context_set_image(icon);
 


@@ -1316,6 +1313,6 @@ cleanup(void)
 static void
 usage(void)
 {
 static void
 usage(void)
 {

-       (void)fprintf(stderr, "usage: xmenu [-fiw] [-p position] [title]\n");
+       (void)fprintf(stderr, "usage: xmenu [-iw] [-p position] [title]\n");

        exit(1);
 }
        exit(1);
 }