Connor Lane Smith
15 years ago
4 changed files with 561 additions and 205 deletions
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+ 9
- 8
Makefile
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+ 387
- 0
dinput.c
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| @ -0,0 +1,387 @@ | |||||
| /* See LICENSE file for copyright and license details. */ | |||||
| #include <ctype.h> | |||||
| #include <locale.h> | |||||
| #include <stdarg.h> | |||||
| #include <stdio.h> | |||||
| #include <stdlib.h> | |||||
| #include <string.h> | |||||
| #include <strings.h> | |||||
| #include <unistd.h> | |||||
| #include <X11/keysym.h> | |||||
| #include <X11/Xlib.h> | |||||
| #include <X11/Xutil.h> | |||||
| #ifdef XINERAMA | |||||
| #include <X11/extensions/Xinerama.h> | |||||
| #endif | |||||
| /* macros */ | |||||
| #define CLEANMASK(mask) (mask & ~(numlockmask | LockMask)) | |||||
| #define INRECT(X,Y,RX,RY,RW,RH) ((X) >= (RX) && (X) < (RX) + (RW) && (Y) >= (RY) && (Y) < (RY) + (RH)) | |||||
| #define MIN(a, b) ((a) < (b) ? (a) : (b)) | |||||
| #define MAX(a, b) ((a) > (b) ? (a) : (b)) | |||||
| #define IS_UTF8_1ST_CHAR(c) ((((c) & 0xc0) == 0xc0) || !((c) & 0x80)) | |||||
| /* forward declarations */ | |||||
| static void cleanup(void); | |||||
| static void drawcursor(void); | |||||
| static void drawinput(void); | |||||
| static void eprint(const char *errstr, ...); | |||||
| static Bool grabkeyboard(void); | |||||
| static void kpress(XKeyEvent * e); | |||||
| static void run(void); | |||||
| static void setup(Bool topbar); | |||||
| #include "config.h" | |||||
| /* variables */ | |||||
| static char *prompt = NULL; | |||||
| static char text[4096]; | |||||
| static int promptw = 0; | |||||
| static int ret = 0; | |||||
| static int screen; | |||||
| static unsigned int mw, mh; | |||||
| static unsigned int cursor = 0; | |||||
| static unsigned int numlockmask = 0; | |||||
| static Bool running = True; | |||||
| static Display *dpy; | |||||
| static Window parent, win; | |||||
| #include "draw.c" | |||||
| void | |||||
| cleanup(void) { | |||||
| dccleanup(); | |||||
| XDestroyWindow(dpy, win); | |||||
| XUngrabKeyboard(dpy, CurrentTime); | |||||
| } | |||||
| void | |||||
| drawcursor(void) { | |||||
| XRectangle r = { dc.x, dc.y + 2, 1, dc.font.height - 2 }; | |||||
| r.x += textnw(text, cursor) + dc.font.height / 2; | |||||
| XSetForeground(dpy, dc.gc, dc.norm[ColFG]); | |||||
| XFillRectangles(dpy, dc.drawable, dc.gc, &r, 1); | |||||
| } | |||||
| void | |||||
| drawinput(void) | |||||
| { | |||||
| dc.x = 0; | |||||
| dc.y = 0; | |||||
| dc.w = mw; | |||||
| dc.h = mh; | |||||
| drawtext(NULL, dc.norm); | |||||
| /* print prompt? */ | |||||
| if(prompt) { | |||||
| dc.w = promptw; | |||||
| drawtext(prompt, dc.sel); | |||||
| dc.x += dc.w; | |||||
| } | |||||
| dc.w = mw - dc.x; | |||||
| drawtext(*text ? text : NULL, dc.norm); | |||||
| drawcursor(); | |||||
| XCopyArea(dpy, dc.drawable, win, dc.gc, 0, 0, mw, mh, 0, 0); | |||||
| XFlush(dpy); | |||||
| } | |||||
| void | |||||
| eprint(const char *errstr, ...) { | |||||
| va_list ap; | |||||
| va_start(ap, errstr); | |||||
| vfprintf(stderr, errstr, ap); | |||||
| va_end(ap); | |||||
| exit(EXIT_FAILURE); | |||||
| } | |||||
| Bool | |||||
| grabkeyboard(void) { | |||||
| unsigned int len; | |||||
| for(len = 1000; len; len--) { | |||||
| if(XGrabKeyboard(dpy, parent, True, GrabModeAsync, GrabModeAsync, CurrentTime) | |||||
| == GrabSuccess) | |||||
| break; | |||||
| usleep(1000); | |||||
| } | |||||
| return len > 0; | |||||
| } | |||||
| void | |||||
| kpress(XKeyEvent * e) { | |||||
| char buf[sizeof text]; | |||||
| int num; | |||||
| unsigned int i, len; | |||||
| KeySym ksym; | |||||
| len = strlen(text); | |||||
| num = XLookupString(e, buf, sizeof buf, &ksym, NULL); | |||||
| if(ksym == XK_KP_Enter) | |||||
| ksym = XK_Return; | |||||
| else if(ksym >= XK_KP_0 && ksym <= XK_KP_9) | |||||
| ksym = (ksym - XK_KP_0) + XK_0; | |||||
| else if(IsFunctionKey(ksym) || IsKeypadKey(ksym) | |||||
| || IsMiscFunctionKey(ksym) || IsPFKey(ksym) | |||||
| || IsPrivateKeypadKey(ksym)) | |||||
| return; | |||||
| /* first check if a control mask is omitted */ | |||||
| if(e->state & ControlMask) { | |||||
| switch(tolower(ksym)) { | |||||
| default: | |||||
| return; | |||||
| case XK_a: | |||||
| ksym = XK_Home; | |||||
| break; | |||||
| case XK_b: | |||||
| ksym = XK_Left; | |||||
| break; | |||||
| case XK_c: | |||||
| ksym = XK_Escape; | |||||
| break; | |||||
| case XK_e: | |||||
| ksym = XK_End; | |||||
| break; | |||||
| case XK_f: | |||||
| ksym = XK_Right; | |||||
| break; | |||||
| case XK_h: | |||||
| ksym = XK_BackSpace; | |||||
| break; | |||||
| case XK_j: | |||||
| ksym = XK_Return; | |||||
| break; | |||||
| case XK_k: | |||||
| text[cursor] = '\0'; | |||||
| break; | |||||
| case XK_u: | |||||
| memmove(text, text + cursor, sizeof text - cursor + 1); | |||||
| cursor = 0; | |||||
| break; | |||||
| case XK_w: | |||||
| if(cursor > 0) { | |||||
| i = cursor; | |||||
| while(i-- > 0 && text[i] == ' '); | |||||
| while(i-- > 0 && text[i] != ' '); | |||||
| memmove(text + i + 1, text + cursor, sizeof text - cursor + 1); | |||||
| cursor = i + 1; | |||||
| } | |||||
| break; | |||||
| case XK_y: | |||||
| { | |||||
| FILE *fp; | |||||
| char *s; | |||||
| if(!(fp = popen("sselp", "r"))) | |||||
| eprint("dinput: cannot popen sselp\n"); | |||||
| s = fgets(buf, sizeof buf, fp); | |||||
| pclose(fp); | |||||
| if(s == NULL) | |||||
| return; | |||||
| } | |||||
| num = strlen(buf); | |||||
| if(num && buf[num-1] == '\n') | |||||
| buf[--num] = '\0'; | |||||
| break; | |||||
| } | |||||
| } | |||||
| switch(ksym) { | |||||
| default: | |||||
| num = MIN(num, sizeof text - cursor); | |||||
| if(num && !iscntrl((int) buf[0])) { | |||||
| memmove(text + cursor + num, text + cursor, sizeof text - cursor - num); | |||||
| memcpy(text + cursor, buf, num); | |||||
| cursor += num; | |||||
| } | |||||
| break; | |||||
| case XK_BackSpace: | |||||
| if(cursor == 0) | |||||
| return; | |||||
| for(i = 1; cursor - i > 0 && !IS_UTF8_1ST_CHAR(text[cursor - i]); i++); | |||||
| memmove(text + cursor - i, text + cursor, sizeof text - cursor + i); | |||||
| cursor -= i; | |||||
| break; | |||||
| case XK_Delete: | |||||
| if(cursor == len) | |||||
| return; | |||||
| for(i = 1; cursor + i < len && !IS_UTF8_1ST_CHAR(text[cursor + i]); i++); | |||||
| memmove(text + cursor, text + cursor + i, sizeof text - cursor); | |||||
| break; | |||||
| case XK_End: | |||||
| cursor = len; | |||||
| break; | |||||
| case XK_Escape: | |||||
| ret = 1; | |||||
| running = False; | |||||
| return; | |||||
| case XK_Home: | |||||
| cursor = 0; | |||||
| break; | |||||
| case XK_Left: | |||||
| if(cursor == 0) | |||||
| return; | |||||
| while(cursor-- > 0 && !IS_UTF8_1ST_CHAR(text[cursor])); | |||||
| break; | |||||
| case XK_Return: | |||||
| fprintf(stdout, "%s", text); | |||||
| fflush(stdout); | |||||
| running = False; | |||||
| return; | |||||
| case XK_Right: | |||||
| if(cursor == len) | |||||
| return; | |||||
| while(cursor++ < len && !IS_UTF8_1ST_CHAR(text[cursor])); | |||||
| break; | |||||
| } | |||||
| drawinput(); | |||||
| } | |||||
| void | |||||
| run(void) { | |||||
| XEvent ev; | |||||
| /* main event loop */ | |||||
| while(running && !XNextEvent(dpy, &ev)) | |||||
| switch (ev.type) { | |||||
| case KeyPress: | |||||
| kpress(&ev.xkey); | |||||
| break; | |||||
| case Expose: | |||||
| if(ev.xexpose.count == 0) | |||||
| drawinput(); | |||||
| break; | |||||
| case VisibilityNotify: | |||||
| if (ev.xvisibility.state != VisibilityUnobscured) | |||||
| XRaiseWindow(dpy, win); | |||||
| break; | |||||
| } | |||||
| } | |||||
| void | |||||
| setup(Bool topbar) { | |||||
| int i, j, x, y; | |||||
| #if XINERAMA | |||||
| int n; | |||||
| XineramaScreenInfo *info = NULL; | |||||
| #endif | |||||
| XModifierKeymap *modmap; | |||||
| XSetWindowAttributes wa; | |||||
| XWindowAttributes pwa; | |||||
| /* init modifier map */ | |||||
| modmap = XGetModifierMapping(dpy); | |||||
| for(i = 0; i < 8; i++) | |||||
| for(j = 0; j < modmap->max_keypermod; j++) { | |||||
| if(modmap->modifiermap[i * modmap->max_keypermod + j] | |||||
| == XKeysymToKeycode(dpy, XK_Num_Lock)) | |||||
| numlockmask = (1 << i); | |||||
| } | |||||
| XFreeModifiermap(modmap); | |||||
| /* style */ | |||||
| dc.norm[ColBG] = getcolor(normbgcolor); | |||||
| dc.norm[ColFG] = getcolor(normfgcolor); | |||||
| dc.sel[ColBG] = getcolor(selbgcolor); | |||||
| dc.sel[ColFG] = getcolor(selfgcolor); | |||||
| initfont(font); | |||||
| /* menu window */ | |||||
| wa.override_redirect = True; | |||||
| wa.background_pixmap = ParentRelative; | |||||
| wa.event_mask = ExposureMask | ButtonPressMask | KeyPressMask | VisibilityChangeMask; | |||||
| /* menu window geometry */ | |||||
| mh = (dc.font.height + 2); | |||||
| #if XINERAMA | |||||
| if(parent == RootWindow(dpy, screen) && XineramaIsActive(dpy) && (info = XineramaQueryScreens(dpy, &n))) { | |||||
| i = 0; | |||||
| if(n > 1) { | |||||
| int di; | |||||
| unsigned int dui; | |||||
| Window dummy; | |||||
| if(XQueryPointer(dpy, parent, &dummy, &dummy, &x, &y, &di, &di, &dui)) | |||||
| for(i = 0; i < n; i++) | |||||
| if(INRECT(x, y, info[i].x_org, info[i].y_org, info[i].width, info[i].height)) | |||||
| break; | |||||
| } | |||||
| x = info[i].x_org; | |||||
| y = topbar ? info[i].y_org : info[i].y_org + info[i].height - mh; | |||||
| mw = info[i].width; | |||||
| XFree(info); | |||||
| } | |||||
| else | |||||
| #endif | |||||
| { | |||||
| XGetWindowAttributes(dpy, parent, &pwa); | |||||
| x = 0; | |||||
| y = topbar ? 0 : pwa.height - mh; | |||||
| mw = pwa.width; | |||||
| } | |||||
| win = XCreateWindow(dpy, parent, x, y, mw, mh, 0, | |||||
| DefaultDepth(dpy, screen), CopyFromParent, | |||||
| DefaultVisual(dpy, screen), | |||||
| CWOverrideRedirect | CWBackPixmap | CWEventMask, &wa); | |||||
| /* pixmap */ | |||||
| dcsetup(); | |||||
| if(prompt) | |||||
| promptw = MIN(textw(prompt), mw / 5); | |||||
| cursor = strlen(text); | |||||
| XMapRaised(dpy, win); | |||||
| } | |||||
| int | |||||
| main(int argc, char *argv[]) { | |||||
| unsigned int i; | |||||
| Bool topbar = True; | |||||
| /* command line args */ | |||||
| for(i = 1; i < argc; i++) | |||||
| if(!strcmp(argv[i], "-b")) | |||||
| topbar = False; | |||||
| else if(!strcmp(argv[i], "-e")) { | |||||
| if(++i < argc) parent = atoi(argv[i]); | |||||
| } | |||||
| else if(!strcmp(argv[i], "-fn")) { | |||||
| if(++i < argc) font = argv[i]; | |||||
| } | |||||
| else if(!strcmp(argv[i], "-nb")) { | |||||
| if(++i < argc) normbgcolor = argv[i]; | |||||
| } | |||||
| else if(!strcmp(argv[i], "-nf")) { | |||||
| if(++i < argc) normfgcolor = argv[i]; | |||||
| } | |||||
| else if(!strcmp(argv[i], "-p")) { | |||||
| if(++i < argc) prompt = argv[i]; | |||||
| } | |||||
| else if(!strcmp(argv[i], "-sb")) { | |||||
| if(++i < argc) selbgcolor = argv[i]; | |||||
| } | |||||
| else if(!strcmp(argv[i], "-sf")) { | |||||
| if(++i < argc) selfgcolor = argv[i]; | |||||
| } | |||||
| else if(!strcmp(argv[i], "-v")) | |||||
| eprint("dinput-"VERSION", © 2006-2010 dinput engineers, see LICENSE for details\n"); | |||||
| else if(!*text) | |||||
| strncpy(text, argv[i], sizeof text); | |||||
| else | |||||
| eprint("usage: dinput [-b] [-e <xid>] [-fn <font>] [-nb <color>] [-nf <color>]\n" | |||||
| " [-p <prompt>] [-sb <color>] [-sf <color>] [-v] [<text>]\n"); | |||||
| if(!setlocale(LC_CTYPE, "") || !XSupportsLocale()) | |||||
| fprintf(stderr, "dinput: warning: no locale support\n"); | |||||
| if(!(dpy = XOpenDisplay(NULL))) | |||||
| eprint("dinput: cannot open display\n"); | |||||
| screen = DefaultScreen(dpy); | |||||
| if(!parent) | |||||
| parent = RootWindow(dpy, screen); | |||||
| running = grabkeyboard(); | |||||
| setup(topbar); | |||||
| drawinput(); | |||||
| XSync(dpy, False); | |||||
| run(); | |||||
| cleanup(); | |||||
| XCloseDisplay(dpy); | |||||
| return ret; | |||||
| } | |||||
+ 22
- 197
dmenu.c
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+ 143
- 0
draw.c
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| @ -0,0 +1,143 @@ | |||||
| /* See LICENSE file for copyright and license details. */ | |||||
| /* enums */ | |||||
| enum { ColFG, ColBG, ColLast }; | |||||
| /* typedefs */ | |||||
| typedef struct { | |||||
| int x, y, w, h; | |||||
| unsigned long norm[ColLast]; | |||||
| unsigned long sel[ColLast]; | |||||
| Drawable drawable; | |||||
| GC gc; | |||||
| struct { | |||||
| XFontStruct *xfont; | |||||
| XFontSet set; | |||||
| int ascent; | |||||
| int descent; | |||||
| int height; | |||||
| } font; | |||||
| } DC; /* draw context */ | |||||
| /* forward declarations */ | |||||
| static void dccleanup(void); | |||||
| static void dcsetup(void); | |||||
| static void drawtext(const char *text, unsigned long col[ColLast]); | |||||
| static unsigned long getcolor(const char *colstr); | |||||
| static void initfont(const char *fontstr); | |||||
| static int textnw(const char *text, unsigned int len); | |||||
| static int textw(const char *text); | |||||
| static DC dc; | |||||
| void | |||||
| dccleanup(void) { | |||||
| if(dc.font.set) | |||||
| XFreeFontSet(dpy, dc.font.set); | |||||
| else | |||||
| XFreeFont(dpy, dc.font.xfont); | |||||
| XFreePixmap(dpy, dc.drawable); | |||||
| XFreeGC(dpy, dc.gc); | |||||
| } | |||||
| void | |||||
| dcsetup() { | |||||
| /* style */ | |||||
| dc.norm[ColBG] = getcolor(normbgcolor); | |||||
| dc.norm[ColFG] = getcolor(normfgcolor); | |||||
| dc.sel[ColBG] = getcolor(selbgcolor); | |||||
| dc.sel[ColFG] = getcolor(selfgcolor); | |||||
| initfont(font); | |||||
| /* pixmap */ | |||||
| dc.drawable = XCreatePixmap(dpy, parent, mw, mh, DefaultDepth(dpy, screen)); | |||||
| dc.gc = XCreateGC(dpy, parent, 0, NULL); | |||||
| XSetLineAttributes(dpy, dc.gc, 1, LineSolid, CapButt, JoinMiter); | |||||
| if(!dc.font.set) | |||||
| XSetFont(dpy, dc.gc, dc.font.xfont->fid); | |||||
| } | |||||
| void | |||||
| drawtext(const char *text, unsigned long col[ColLast]) { | |||||
| char buf[256]; | |||||
| int i, x, y, h, len, olen; | |||||
| XRectangle r = { dc.x, dc.y, dc.w, dc.h }; | |||||
| XSetForeground(dpy, dc.gc, col[ColBG]); | |||||
| XFillRectangles(dpy, dc.drawable, dc.gc, &r, 1); | |||||
| if(!text) | |||||
| return; | |||||
| olen = strlen(text); | |||||
| h = dc.font.height; | |||||
| y = dc.y + ((h+2) / 2) - (h / 2) + dc.font.ascent; | |||||
| x = dc.x + (h / 2); | |||||
| /* shorten text if necessary */ | |||||
| for(len = MIN(olen, sizeof buf); len && textnw(text, len) > dc.w - h; len--); | |||||
| if(!len) | |||||
| return; | |||||
| memcpy(buf, text, len); | |||||
| if(len < olen) | |||||
| for(i = len; i && i > len - 3; buf[--i] = '.'); | |||||
| XSetForeground(dpy, dc.gc, col[ColFG]); | |||||
| if(dc.font.set) | |||||
| XmbDrawString(dpy, dc.drawable, dc.font.set, dc.gc, x, y, buf, len); | |||||
| else | |||||
| XDrawString(dpy, dc.drawable, dc.gc, x, y, buf, len); | |||||
| } | |||||
| unsigned long | |||||
| getcolor(const char *colstr) { | |||||
| Colormap cmap = DefaultColormap(dpy, screen); | |||||
| XColor color; | |||||
| if(!XAllocNamedColor(dpy, cmap, colstr, &color, &color)) | |||||
| eprint("drawtext: cannot allocate color '%s'\n", colstr); | |||||
| return color.pixel; | |||||
| } | |||||
| void | |||||
| initfont(const char *fontstr) { | |||||
| char *def, **missing = NULL; | |||||
| int i, n; | |||||
| if(!fontstr || fontstr[0] == '\0') | |||||
| eprint("drawtext: cannot load font: '%s'\n", fontstr); | |||||
| dc.font.set = XCreateFontSet(dpy, fontstr, &missing, &n, &def); | |||||
| if(missing) | |||||
| XFreeStringList(missing); | |||||
| if(dc.font.set) { | |||||
| XFontStruct **xfonts; | |||||
| char **font_names; | |||||
| dc.font.ascent = dc.font.descent = 0; | |||||
| n = XFontsOfFontSet(dc.font.set, &xfonts, &font_names); | |||||
| for(i = 0; i < n; i++) { | |||||
| dc.font.ascent = MAX(dc.font.ascent, (*xfonts)->ascent); | |||||
| dc.font.descent = MAX(dc.font.descent, (*xfonts)->descent); | |||||
| xfonts++; | |||||
| } | |||||
| } | |||||
| else { | |||||
| if(!(dc.font.xfont = XLoadQueryFont(dpy, fontstr)) | |||||
| && !(dc.font.xfont = XLoadQueryFont(dpy, "fixed"))) | |||||
| eprint("drawtext: cannot load font: '%s'\n", fontstr); | |||||
| dc.font.ascent = dc.font.xfont->ascent; | |||||
| dc.font.descent = dc.font.xfont->descent; | |||||
| } | |||||
| dc.font.height = dc.font.ascent + dc.font.descent; | |||||
| } | |||||
| int | |||||
| textnw(const char *text, unsigned int len) { | |||||
| XRectangle r; | |||||
| if(dc.font.set) { | |||||
| XmbTextExtents(dc.font.set, text, len, NULL, &r); | |||||
| return r.width; | |||||
| } | |||||
| return XTextWidth(dc.font.xfont, text, len); | |||||
| } | |||||
| int | |||||
| textw(const char *text) { | |||||
| return textnw(text, strlen(text)) + dc.font.height; | |||||
| } | |||||