merged dmenu & dinput (clunky interface)
This commit is contained in:
Connor Lane Smith
251
dmenu.c
251
dmenu.c
@ -8,7 +8,16 @@
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#include <X11/keysym.h>
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#include <X11/Xlib.h>
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#include <X11/Xutil.h>
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#include "dmenu.h"
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#ifdef XINERAMA
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#include <X11/extensions/Xinerama.h>
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#endif
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#include <draw.h>
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#include "config.h"
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#define INRECT(x,y,rx,ry,rw,rh) ((rx) < (x) && (x) < (rx)+(rw) && (ry) < (y) && (y) < (ry)+(rh))
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#define MIN(a,b) ((a) < (b) ? (a) : (b))
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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) == 0x00)
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typedef struct Item Item;
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struct Item {
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@ -17,30 +26,46 @@ struct Item {
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Item *left, *right; /* traverses items matching current search pattern */
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};
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/* forward declarations */
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static void appenditem(Item *i, Item **list, Item **last);
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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 dinput(void);
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static void drawitem(const char *s, unsigned long col[ColLast]);
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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 grabkeyboard(void);
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static void keypress(XKeyEvent *e);
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static void match(void);
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static void readstdin(void);
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static void run(void);
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static void setup(void);
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/* variables */
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static char **argp = NULL;
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static char *maxname = NULL;
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static char *prompt;
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static char text[4096];
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static int promptw;
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static int screen;
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static size_t cur = 0;
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static unsigned int cmdw = 0;
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static unsigned int lines = 0;
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static unsigned int numlockmask;
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static unsigned int mw, mh;
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static unsigned long normcol[ColLast];
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static unsigned long selcol[ColLast];
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static Bool topbar = True;
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static DC dc;
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static Display *dpy;
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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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static Item *next = NULL;
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static Item *prev = NULL;
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static Item *curr = NULL;
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static Window win, root;
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static int (*fstrncmp)(const char *, const char *, size_t) = strncmp;
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static char *(*fstrstr)(const char *, const char *) = strstr;
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static void (*calcoffsets)(void) = calcoffsetsh;
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@ -120,16 +145,18 @@ cleanup(void) {
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}
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void
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dinput(void) {
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cleanup();
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argp[0] = "dinput";
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argp[1] = text;
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execvp("dinput", argp);
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eprint("cannot exec dinput\n");
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drawitem(const char *s, unsigned long col[ColLast]) {
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const char *p;
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unsigned int w = textnw(&dc, text, strlen(text));
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drawbox(&dc, col);
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drawtext(&dc, s, col);
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for(p = fstrstr(s, text); *text && (p = fstrstr(p, text)); p++)
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drawline(&dc, textnw(&dc, s, p-s) + dc.h/2 - 1, dc.h-2, w, 1, col);
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}
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void
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drawbar(void) {
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drawmenu(void) {
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dc.x = 0;
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dc.y = 0;
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dc.w = mw;
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@ -149,6 +176,7 @@ drawbar(void) {
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if(cmdw && item && lines == 0)
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dc.w = cmdw;
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drawtext(&dc, text, normcol);
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drawline(&dc, textnw(&dc, text, cur) + dc.h/2 - 2, 2, 1, dc.h-4, normcol);
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if(lines > 0)
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drawmenuv();
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else if(curr)
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@ -156,17 +184,6 @@ drawbar(void) {
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commitdraw(&dc, win);
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}
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void
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drawitem(const char *s, unsigned long col[ColLast]) {
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const char *p;
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unsigned int w = textnw(&dc, text, strlen(text));
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drawbox(&dc, col);
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drawtext(&dc, s, col);
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for(p = fstrstr(s, text); *text && (p = fstrstr(p, text)); p++)
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drawline(&dc, textnw(&dc, s, p-s) + dc.h/2 - 1, dc.h-2, w, 1, col);
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}
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void
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drawmenuh(void) {
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Item *i;
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@ -202,7 +219,19 @@ drawmenuv(void) {
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}
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void
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kpress(XKeyEvent *e) {
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grabkeyboard(void) {
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unsigned int n;
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for(n = 0; n < 1000; n++) {
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if(!XGrabKeyboard(dpy, root, True, GrabModeAsync, GrabModeAsync, CurrentTime))
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return;
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usleep(1000);
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}
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exit(EXIT_FAILURE);
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}
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void
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keypress(XKeyEvent *e) {
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char buf[sizeof text];
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int num;
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unsigned int i, len;
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@ -248,6 +277,9 @@ kpress(XKeyEvent *e) {
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case XK_m:
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ksym = XK_Return;
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break;
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case XK_k:
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text[cur] = '\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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@ -255,38 +287,67 @@ 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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text[0] = '\0';
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memmove(text, text + cur, sizeof text - cur + 1);
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cur = 0;
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match();
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break;
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case XK_w:
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if(len == 0)
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if(cur == 0)
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return;
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i = len;
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i = cur;
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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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memmove(text + i + 1, text + cur, sizeof text - cur + 1);
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cur = i + 1;
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match();
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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 = fopen("sselp", "r")))
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eprint("cannot popen sselp\n");
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s = fgets(buf, sizeof buf, fp);
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fclose(fp);
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if(!s)
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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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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);
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if(num && !iscntrl((int) buf[0])) {
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memcpy(text + len, buf, num + 1);
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len += num;
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memmove(text + cur + num, text + cur, sizeof text - cur - num);
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memcpy(text + cur, buf, num);
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cur += num;
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match();
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}
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break;
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case XK_BackSpace:
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if(len == 0)
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if(cur == 0)
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return;
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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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for(i = 1; len - i > 0 && !IS_UTF8_1ST_CHAR(text[cur - i]); i++);
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memmove(text + cur - i, text + cur, sizeof text - cur + i);
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cur -= i;
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match();
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break;
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case XK_Delete:
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if(cur == len)
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return;
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for(i = 1; cur + i < len && !IS_UTF8_1ST_CHAR(text[cur + i]); i++);
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memmove(text + cur, text + cur + i, sizeof text - cur);
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match();
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break;
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case XK_End:
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if(cur < len) {
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cur = 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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@ -297,10 +358,20 @@ kpress(XKeyEvent *e) {
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case XK_Escape:
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exit(EXIT_FAILURE);
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case XK_Home:
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if(sel == item) {
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cur = 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(cur > 0 && (!sel || !sel->left || lines > 0)) {
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while(cur-- > 0 && !IS_UTF8_1ST_CHAR(text[cur]));
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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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@ -323,12 +394,16 @@ kpress(XKeyEvent *e) {
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calcoffsets();
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break;
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case XK_Return:
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if(e->state & ShiftMask)
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dinput();
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fprintf(stdout, "%s", sel ? sel->text : text);
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fprintf(stdout, "%s", ((e->state & ShiftMask) || sel) ? sel->text : text);
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fflush(stdout);
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exit(EXIT_SUCCESS);
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case XK_Right:
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if(cur < len) {
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while(cur++ < len && !IS_UTF8_1ST_CHAR(text[cur]));
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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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@ -339,12 +414,14 @@ kpress(XKeyEvent *e) {
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}
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break;
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case XK_Tab:
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if(sel)
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strncpy(text, sel->text, sizeof text);
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dinput();
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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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cur = strlen(text);
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match();
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break;
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}
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drawbar();
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drawmenu();
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}
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void
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@ -413,6 +490,98 @@ readstdin(void) {
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}
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}
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void
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run(void) {
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XEvent ev;
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XSync(dpy, False);
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while(!XNextEvent(dpy, &ev))
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switch(ev.type) {
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case Expose:
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if(ev.xexpose.count == 0)
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drawmenu();
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break;
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case KeyPress:
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keypress(&ev.xkey);
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break;
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case VisibilityNotify:
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if(ev.xvisibility.state != VisibilityUnobscured)
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XRaiseWindow(dpy, win);
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break;
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}
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exit(EXIT_FAILURE);
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}
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void
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setup(void) {
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int i, j, x, y;
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#if XINERAMA
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int n;
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XineramaScreenInfo *info = NULL;
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#endif
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XModifierKeymap *modmap;
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XSetWindowAttributes wa;
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/* init modifier map */
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modmap = XGetModifierMapping(dpy);
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for(i = 0; i < 8; i++)
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for(j = 0; j < modmap->max_keypermod; j++) {
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if(modmap->modifiermap[i * modmap->max_keypermod + j]
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== XKeysymToKeycode(dpy, XK_Num_Lock))
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numlockmask = (1 << i);
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}
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XFreeModifiermap(modmap);
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dc.dpy = dpy;
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normcol[ColBG] = getcolor(&dc, normbgcolor);
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normcol[ColFG] = getcolor(&dc, normfgcolor);
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selcol[ColBG] = getcolor(&dc, selbgcolor);
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selcol[ColFG] = getcolor(&dc, selfgcolor);
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initfont(&dc, font);
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/* input window */
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wa.override_redirect = True;
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wa.background_pixmap = ParentRelative;
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wa.event_mask = ExposureMask | KeyPressMask | VisibilityChangeMask;
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/* input window geometry */
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mh = (dc.font.height + 2) * (lines + 1);
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#if XINERAMA
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if(XineramaIsActive(dpy) && (info = XineramaQueryScreens(dpy, &n))) {
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i = 0;
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if(n > 1) {
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int di;
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unsigned int dui;
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Window dummy;
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if(XQueryPointer(dpy, root, &dummy, &dummy, &x, &y, &di, &di, &dui))
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for(i = 0; i < n; i++)
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if(INRECT(x, y, info[i].x_org, info[i].y_org, info[i].width, info[i].height))
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break;
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}
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x = info[i].x_org;
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y = topbar ? info[i].y_org : info[i].y_org + info[i].height - mh;
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mw = info[i].width;
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XFree(info);
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}
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else
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#endif
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{
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x = 0;
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y = topbar ? 0 : DisplayHeight(dpy, screen) - mh;
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mw = DisplayWidth(dpy, screen);
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}
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win = XCreateWindow(dpy, root, x, y, mw, mh, 0,
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DefaultDepth(dpy, screen), CopyFromParent,
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DefaultVisual(dpy, screen),
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CWOverrideRedirect | CWBackPixmap | CWEventMask, &wa);
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setupdraw(&dc, win);
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if(prompt)
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promptw = MIN(textw(&dc, prompt), mw / 5);
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XMapRaised(dpy, win);
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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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@ -472,7 +641,7 @@ main(int argc, char *argv[]) {
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readstdin();
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grabkeyboard();
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setup(lines);
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setup();
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if(maxname)
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cmdw = MIN(textw(&dc, maxname), mw / 3);
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match();
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