em/dmenu
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merged *{h,v} functions

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This commit is contained in:
Connor Lane Smith 2010-08-03 17:10:29 +01:00
parent b54c179d58
commit b7695fa98c
1 changed files with 42 additions and 61 deletions
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91
dmenu.c
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@ -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);
@ -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) {
@ -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;
@ -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));
@ -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);
}
dc->w = textw(dc, ">");
dc->x = mw - dc->w;
if(next)
drawtext(dc, ">", normcol);
}
void
drawmenuv(void) {
Item *item;
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;
}
}
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
@ -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;
@ -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];