initial dmenu / dinput separation
This commit is contained in:
Connor Lane Smith
219
dmenu.c
219
dmenu.c
@ -21,25 +21,6 @@
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#define MAX(a, b) ((a) > (b) ? (a) : (b))
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#define IS_UTF8_1ST_CHAR(c) ((((c) & 0xc0) == 0xc0) || !((c) & 0x80))
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/* enums */
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enum { ColFG, ColBG, ColLast };
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/* typedefs */
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typedef struct {
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int x, y, w, h;
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unsigned long norm[ColLast];
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unsigned long sel[ColLast];
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Drawable drawable;
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GC gc;
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struct {
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XFontStruct *xfont;
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XFontSet set;
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int ascent;
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int descent;
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int height;
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} font;
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} DC; /* draw context */
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typedef struct Item Item;
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struct Item {
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char *text;
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@ -53,22 +34,16 @@ static void calcoffsetsh(void);
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static void calcoffsetsv(void);
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static char *cistrstr(const char *s, const char *sub);
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static void cleanup(void);
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static void drawcursor(void);
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static void drawmenu(void);
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static void drawmenuh(void);
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static void drawmenuv(void);
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static void drawtext(const char *text, unsigned long col[ColLast]);
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static void eprint(const char *errstr, ...);
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static unsigned long getcolor(const char *colstr);
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static Bool grabkeyboard(void);
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static void initfont(const char *fontstr);
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static void kpress(XKeyEvent * e);
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static void match(char *pattern);
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static void readstdin(void);
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static void run(void);
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static void setup(Bool topbar);
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static int textnw(const char *text, unsigned int len);
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static int textw(const char *text);
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#include "config.h"
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@ -81,11 +56,9 @@ static int promptw = 0;
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static int ret = 0;
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static int screen;
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static unsigned int mw, mh;
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static unsigned int cursor = 0;
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static unsigned int numlockmask = 0;
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static Bool running = True;
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static Display *dpy;
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static DC dc;
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static Item *allitems = NULL; /* first of all items */
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static Item *item = NULL; /* first of pattern matching items */
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static Item *sel = NULL;
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@ -98,6 +71,8 @@ static char *(*fstrstr)(const char *, const char *) = strstr;
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static unsigned int lines = 0;
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static void (*calcoffsets)(void) = calcoffsetsh;
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#include "draw.c"
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void
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appenditem(Item *i, Item **list, Item **last) {
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if(!(*last))
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@ -161,26 +136,11 @@ cistrstr(const char *s, const char *sub) {
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void
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cleanup(void) {
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if(dc.font.set)
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XFreeFontSet(dpy, dc.font.set);
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else
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XFreeFont(dpy, dc.font.xfont);
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XFreePixmap(dpy, dc.drawable);
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XFreeGC(dpy, dc.gc);
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dccleanup();
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XDestroyWindow(dpy, win);
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XUngrabKeyboard(dpy, CurrentTime);
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}
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void
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drawcursor(void) {
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XRectangle r = { dc.x, dc.y + 2, 1, dc.font.height - 2 };
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r.x += textnw(text, cursor) + dc.font.height / 2;
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XSetForeground(dpy, dc.gc, dc.norm[ColFG]);
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XFillRectangles(dpy, dc.drawable, dc.gc, &r, 1);
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}
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void
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drawmenu(void) {
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dc.x = 0;
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@ -199,7 +159,6 @@ drawmenu(void) {
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if(cmdw && item && lines == 0)
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dc.w = cmdw;
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drawtext(*text ? text : NULL, dc.norm);
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drawcursor();
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if(curr) {
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if(lines > 0)
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drawmenuv();
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@ -243,34 +202,6 @@ drawmenuv(void) {
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drawtext(NULL, dc.norm);
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}
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void
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drawtext(const char *text, unsigned long col[ColLast]) {
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char buf[256];
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int i, x, y, h, len, olen;
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XRectangle r = { dc.x, dc.y, dc.w, dc.h };
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XSetForeground(dpy, dc.gc, col[ColBG]);
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XFillRectangles(dpy, dc.drawable, dc.gc, &r, 1);
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if(!text)
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return;
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olen = strlen(text);
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h = dc.font.height;
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y = dc.y + ((h+2) / 2) - (h / 2) + dc.font.ascent;
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x = dc.x + (h / 2);
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/* shorten text if necessary */
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for(len = MIN(olen, sizeof buf); len && textnw(text, len) > dc.w - h; len--);
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if(!len)
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return;
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memcpy(buf, text, len);
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if(len < olen)
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for(i = len; i && i > len - 3; buf[--i] = '.');
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XSetForeground(dpy, dc.gc, col[ColFG]);
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if(dc.font.set)
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XmbDrawString(dpy, dc.drawable, dc.font.set, dc.gc, x, y, buf, len);
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else
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XDrawString(dpy, dc.drawable, dc.gc, x, y, buf, len);
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}
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void
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eprint(const char *errstr, ...) {
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va_list ap;
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@ -281,16 +212,6 @@ eprint(const char *errstr, ...) {
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exit(EXIT_FAILURE);
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}
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unsigned long
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getcolor(const char *colstr) {
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Colormap cmap = DefaultColormap(dpy, screen);
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XColor color;
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if(!XAllocNamedColor(dpy, cmap, colstr, &color, &color))
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eprint("dmenu: cannot allocate color '%s'\n", colstr);
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return color.pixel;
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}
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Bool
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grabkeyboard(void) {
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unsigned int len;
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@ -304,37 +225,6 @@ grabkeyboard(void) {
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return len > 0;
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}
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void
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initfont(const char *fontstr) {
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char *def, **missing = NULL;
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int i, n;
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if(!fontstr || fontstr[0] == '\0')
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eprint("dmenu: cannot load font: '%s'\n", fontstr);
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dc.font.set = XCreateFontSet(dpy, fontstr, &missing, &n, &def);
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if(missing)
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XFreeStringList(missing);
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if(dc.font.set) {
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XFontStruct **xfonts;
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char **font_names;
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dc.font.ascent = dc.font.descent = 0;
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n = XFontsOfFontSet(dc.font.set, &xfonts, &font_names);
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for(i = 0; i < n; i++) {
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dc.font.ascent = MAX(dc.font.ascent, (*xfonts)->ascent);
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dc.font.descent = MAX(dc.font.descent, (*xfonts)->descent);
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xfonts++;
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}
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}
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else {
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if(!(dc.font.xfont = XLoadQueryFont(dpy, fontstr))
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&& !(dc.font.xfont = XLoadQueryFont(dpy, "fixed")))
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eprint("dmenu: cannot load font: '%s'\n", fontstr);
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dc.font.ascent = dc.font.xfont->ascent;
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dc.font.descent = dc.font.xfont->descent;
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}
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dc.font.height = dc.font.ascent + dc.font.descent;
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}
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void
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kpress(XKeyEvent * e) {
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char buf[sizeof text];
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@ -381,9 +271,6 @@ kpress(XKeyEvent * e) {
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case XK_j:
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ksym = XK_Return;
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break;
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case XK_k:
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text[cursor] = '\0';
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break;
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case XK_n:
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ksym = XK_Down;
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break;
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@ -391,67 +278,42 @@ kpress(XKeyEvent * e) {
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ksym = XK_Up;
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break;
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case XK_u:
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memmove(text, text + cursor, sizeof text - cursor + 1);
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cursor = 0;
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text[0] = '\0';
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match(text);
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break;
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case XK_w:
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if(cursor > 0) {
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i = cursor;
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while(i-- > 0 && text[i] == ' ');
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while(i-- > 0 && text[i] != ' ');
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memmove(text + i + 1, text + cursor, sizeof text - cursor + 1);
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cursor = i + 1;
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match(text);
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}
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if(len == 0)
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return;
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i = len;
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while(i-- > 0 && text[i] == ' ');
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while(i-- > 0 && text[i] != ' ');
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text[++i] = '\0';
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match(text);
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break;
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case XK_y:
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{
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FILE *fp;
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char *s;
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if(!(fp = popen("sselp", "r")))
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eprint("dmenu: cannot popen sselp\n");
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s = fgets(buf, sizeof buf, fp);
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pclose(fp);
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if(s == NULL)
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return;
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}
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num = strlen(buf);
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if(num && buf[num-1] == '\n')
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buf[--num] = '\0';
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case XK_x:
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execlp("dinput", "dinput", text, NULL); /* todo: argv */
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eprint("dmenu: cannot exec dinput:");
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break;
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}
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}
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switch(ksym) {
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default:
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num = MIN(num, sizeof text - cursor);
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num = MIN(num, sizeof text);
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if(num && !iscntrl((int) buf[0])) {
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memmove(text + cursor + num, text + cursor, sizeof text - cursor - num);
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memcpy(text + cursor, buf, num);
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cursor += num;
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memcpy(text + len, buf, num + 1);
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len += num;
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match(text);
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}
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break;
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case XK_BackSpace:
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if(cursor == 0)
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if(len == 0)
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return;
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for(i = 1; cursor - i > 0 && !IS_UTF8_1ST_CHAR(text[cursor - i]); i++);
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memmove(text + cursor - i, text + cursor, sizeof text - cursor + i);
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cursor -= i;
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match(text);
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break;
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case XK_Delete:
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if(cursor == len)
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return;
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for(i = 1; cursor + i < len && !IS_UTF8_1ST_CHAR(text[cursor + i]); i++);
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memmove(text + cursor, text + cursor + i, sizeof text - cursor);
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for(i = 1; len - i > 0 && !IS_UTF8_1ST_CHAR(text[len - i]); i++);
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len -= i;
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text[len] = '\0';
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match(text);
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break;
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case XK_End:
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if(cursor < len) {
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cursor = len;
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break;
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}
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while(next) {
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sel = curr = next;
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calcoffsets();
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@ -464,20 +326,10 @@ kpress(XKeyEvent * e) {
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running = False;
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return;
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case XK_Home:
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if(sel == item) {
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cursor = 0;
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break;
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}
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sel = curr = item;
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calcoffsets();
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break;
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case XK_Left:
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if(cursor > 0 && (!sel || !sel->left || lines > 0)) {
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while(cursor-- > 0 && !IS_UTF8_1ST_CHAR(text[cursor]));
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break;
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}
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if(lines > 0)
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return;
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case XK_Up:
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if(!sel || !sel->left)
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return;
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@ -508,12 +360,6 @@ kpress(XKeyEvent * e) {
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running = False;
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return;
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case XK_Right:
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if(cursor < len) {
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while(cursor++ < len && !IS_UTF8_1ST_CHAR(text[cursor]));
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break;
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}
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if(lines > 0)
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return;
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case XK_Down:
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if(!sel || !sel->right)
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return;
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@ -527,7 +373,6 @@ kpress(XKeyEvent * e) {
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if(!sel)
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return;
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strncpy(text, sel->text, sizeof text);
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cursor = strlen(text);
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match(text);
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break;
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}
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@ -690,11 +535,7 @@ setup(Bool topbar) {
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CWOverrideRedirect | CWBackPixmap | CWEventMask, &wa);
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/* pixmap */
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dc.drawable = XCreatePixmap(dpy, parent, mw, mh, DefaultDepth(dpy, screen));
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dc.gc = XCreateGC(dpy, parent, 0, NULL);
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XSetLineAttributes(dpy, dc.gc, 1, LineSolid, CapButt, JoinMiter);
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if(!dc.font.set)
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XSetFont(dpy, dc.gc, dc.font.xfont->fid);
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dcsetup();
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if(maxname)
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cmdw = MIN(textw(maxname), mw / 3);
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if(prompt)
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@ -704,22 +545,6 @@ setup(Bool topbar) {
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XMapRaised(dpy, win);
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}
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int
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textnw(const char *text, unsigned int len) {
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XRectangle r;
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if(dc.font.set) {
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XmbTextExtents(dc.font.set, text, len, NULL, &r);
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return r.width;
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}
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return XTextWidth(dc.font.xfont, text, len);
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}
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int
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textw(const char *text) {
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return textnw(text, strlen(text)) + dc.font.height;
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}
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int
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main(int argc, char *argv[]) {
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unsigned int i;
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