tmerged *{h,v} functions - dmenu - Dmenu fork with xft fonts.
 (HTM) git clone git://r-36.net/dmenu
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       ---
 (DIR) commit b7695fa98cb75c1f2ac342227bbebf4e648f37e7
 (DIR) parent b54c179d585871d9c96311696f58824edeff09e4
 (HTM) Author: Connor Lane Smith <cls@lubutu.com>
       Date:   Tue,  3 Aug 2010 17:10:29 +0100
       
       merged *{h,v} functions
       Diffstat:
         dmenu.c                             |      99 +++++++++++++------------------
       
       1 file changed, 40 insertions(+), 59 deletions(-)
       ---
 (DIR) diff --git a/dmenu.c b/dmenu.c
       t@@ -25,12 +25,9 @@ struct Item {
        };
        
        static void appenditem(Item *item, Item **list, Item **last);
       -static void calcoffsetsh(void);
       -static void calcoffsetsv(void);
       +static void calcoffsets(void);
        static char *cistrstr(const char *s, const char *sub);
        static void drawmenu(void);
       -static void drawmenuh(void);
       -static void drawmenuv(void);
        static void grabkeyboard(void);
        static void insert(const char *s, ssize_t n);
        static void keypress(XKeyEvent *e);
       t@@ -63,7 +60,6 @@ static Window root, win;
        
        static int (*fstrncmp)(const char *, const char *, size_t) = strncmp;
        static char *(*fstrstr)(const char *, const char *) = strstr;
       -static void (*calcoffsets)(void) = calcoffsetsh;
        
        void
        appenditem(Item *item, Item **list, Item **last) {
       t@@ -77,29 +73,25 @@ appenditem(Item *item, Item **list, Item **last) {
        }
        
        void
       -calcoffsetsh(void) {
       -        unsigned int w, x;
       +calcoffsets(void)
       +{
       +        unsigned int h, i, n;
        
       -        w = promptw + inputw + textw(dc, "<") + textw(dc, ">");
       -        for(x = w, next = curr; next; next = next->right)
       -                if((x += MIN(textw(dc, next->text), mw / 3)) > mw)
       +        h = dc->font.height+2;
       +        if(lines > 0)
       +                n = lines * h;
       +        else
       +                n = mw - (promptw + inputw + textw(dc, "<") + textw(dc, ">"));
       +
       +        prev = next = curr;
       +        for(i = 0; next; next = next->right)
       +                if((i += (lines > 0) ? h : MIN(textw(dc, next->text), mw/3)) > n)
                                break;
       -        for(x = w, prev = curr; prev && prev->left; prev = prev->left)
       -                if((x += MIN(textw(dc, prev->left->text), mw / 3)) > mw)
       +        for(i = 0; prev && prev->left; prev = prev->left)
       +                if((i += (lines > 0) ? h : MIN(textw(dc, prev->left->text), mw/3)) > n)
                                break;
        }
        
       -void
       -calcoffsetsv(void) {
       -        unsigned int i;
       -
       -        next = prev = curr;
       -        for(i = 0; i < lines && next; i++)
       -                next = next->right;
       -        for(i = 0; i < lines && prev && prev->left; i++)
       -                prev = prev->left;
       -}
       -
        char *
        cistrstr(const char *s, const char *sub) {
                size_t len;
       t@@ -112,6 +104,8 @@ cistrstr(const char *s, const char *sub) {
        
        void
        drawmenu(void) {
       +        Item *item;
       +
                dc->x = 0;
                dc->y = 0;
                drawrect(dc, 0, 0, mw, mh, BG(dc, normcol));
       t@@ -129,42 +123,31 @@ drawmenu(void) {
                        dc->w = inputw;
                drawtext(dc, text, normcol);
                drawrect(dc, textnw(dc, text, cursor) + dc->h/2 - 2, 2, 1, dc->h - 4, FG(dc, normcol));
       -        if(lines > 0)
       -                drawmenuv();
       -        else if(curr && (dc->w == inputw || curr->next))
       -                drawmenuh();
       -        commitdraw(dc, win);
       -}
       -
       -void
       -drawmenuh(void) {
       -        Item *item;
        
       -        dc->x += inputw;
       -        dc->w = textw(dc, "<");
       -        if(curr->left)
       -                drawtext(dc, "<", normcol);
       -        for(item = curr; item != next; item = item->right) {
       -                dc->x += dc->w;
       -                dc->w = MIN(textw(dc, item->text), mw / 3);
       -                drawtext(dc, item->text, (item == sel) ? selcol : normcol);
       +        if(lines > 0) {
       +                dc->y = topbar ? dc->h : 0;
       +                dc->w = mw - dc->x;
       +                for(item = curr; item != next; item = item->right) {
       +                        drawtext(dc, item->text, (item == sel) ? selcol : normcol);
       +                        dc->y += dc->h;
       +                }
                }
       -        dc->w = textw(dc, ">");
       -        dc->x = mw - dc->w;
       -        if(next)
       -                drawtext(dc, ">", normcol);
       -}
       -
       -void
       -drawmenuv(void) {
       -        Item *item;
       -
       -        dc->y = topbar ? dc->h : 0;
       -        dc->w = mw - dc->x;
       -        for(item = curr; item != next; item = item->right) {
       -                drawtext(dc, item->text, (item == sel) ? selcol : normcol);
       -                dc->y += dc->h;
       +        else if(curr && (dc->w == inputw || curr->next)) {
       +                dc->x += inputw;
       +                dc->w = textw(dc, "<");
       +                if(prev)
       +                        drawtext(dc, "<", normcol);
       +                for(item = curr; item != next; item = item->right) {
       +                        dc->x += dc->w;
       +                        dc->w = MIN(textw(dc, item->text), mw/3);
       +                        drawtext(dc, item->text, (item == sel) ? selcol : normcol);
       +                }
       +                dc->w = textw(dc, ">");
       +                dc->x = mw - dc->w;
       +                if(next)
       +                        drawtext(dc, ">", normcol);
                }
       +        commitdraw(dc, win);
        }
        
        void
       t@@ -494,7 +477,6 @@ setup(void) {
                        y = topbar ? 0 : DisplayHeight(dc->dpy, screen) - mh;
                        mw = DisplayWidth(dc->dpy, screen);
                }
       -
                /* input window */
                wa.override_redirect = True;
                wa.background_pixmap = ParentRelative;
       t@@ -543,8 +525,7 @@ main(int argc, char *argv[]) {
                                usage();
                        /* double flags */
                        else if(!strcmp(argv[i], "-l")) {
       -                        if((lines = atoi(argv[++i])) > 0)
       -                                calcoffsets = calcoffsetsv;
       +                        lines = atoi(argv[++i]);
                        }
                        else if(!strcmp(argv[i], "-p"))
                                prompt = argv[++i];