X-Git-Url: https://git.danieliu.xyz/?a=blobdiff_plain;f=dinput.c;h=e22bc35797db0d1df6c75e691934f392cceb64ba;hb=855a56631916bdff1438e11c232b88450f973648;hp=b789bd762eee05b2214ef8947794841fac1dc78f;hpb=6ba5103df4552a330ba29fdac88ae3a2897b94cf;p=dmenu.git diff --git a/dinput.c b/dinput.c index b789bd7..e22bc35 100644 --- a/dinput.c +++ b/dinput.c @@ -4,97 +4,43 @@ #include #include #include -#include #include #include #include -#ifdef XINERAMA -#include -#endif -#include - -/* macros */ -#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)) +#include "dmenu.h" /* forward declarations */ static void cleanup(void); -static void drawcursor(void); -static void drawinput(void); -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 cursor = 0; -static unsigned int numlockmask = 0; -static unsigned int mw, mh; -static unsigned long normcol[ColLast]; -static unsigned long selcol[ColLast]; -static Bool running = True; -static DC dc; -static Display *dpy; -static Window win, root; +static size_t cursor = 0; void cleanup(void) { cleanupdraw(&dc); XDestroyWindow(dpy, win); XUngrabKeyboard(dpy, CurrentTime); + XCloseDisplay(dpy); } void -drawcursor(void) { - XRectangle r = { dc.x, dc.y + 2, 1, dc.font.height - 2 }; - - r.x += textnw(&dc, text, cursor) + dc.font.height / 2; - - XSetForeground(dpy, dc.gc, normcol[ColFG]); - XFillRectangles(dpy, dc.drawable, dc.gc, &r, 1); -} - -void -drawinput(void) +drawbar(void) { dc.x = 0; dc.y = 0; dc.w = mw; dc.h = mh; - drawtext(&dc, NULL, normcol, False); + drawtext(&dc, NULL, normcol); /* print prompt? */ if(prompt) { dc.w = promptw; - drawtext(&dc, prompt, selcol, False); + drawtext(&dc, prompt, selcol); dc.x += dc.w; } dc.w = mw - dc.x; - drawtext(&dc, *text ? text : NULL, normcol, False); - drawcursor(); - XCopyArea(dpy, dc.drawable, win, dc.gc, 0, 0, mw, mh, 0, 0); - XFlush(dpy); -} - -Bool -grabkeyboard(void) { - unsigned int len; - - for(len = 1000; len; len--) { - if(XGrabKeyboard(dpy, root, True, GrabModeAsync, GrabModeAsync, CurrentTime) - == GrabSuccess) - break; - usleep(1000); - } - return len > 0; + drawtext(&dc, text, normcol); + drawcursor(&dc, text, cursor, normcol); + commitdraw(&dc, win); } void @@ -200,9 +146,7 @@ kpress(XKeyEvent *e) { cursor = len; break; case XK_Escape: - ret = 1; - running = False; - return; + exit(EXIT_FAILURE); case XK_Home: cursor = 0; break; @@ -214,113 +158,19 @@ kpress(XKeyEvent *e) { case XK_Return: fprintf(stdout, "%s", text); fflush(stdout); - running = False; - return; + exit(EXIT_SUCCESS); 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; - - /* 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); - - dc.dpy = dpy; - normcol[ColBG] = getcolor(&dc, normbgcolor); - normcol[ColFG] = getcolor(&dc, normfgcolor); - selcol[ColBG] = getcolor(&dc, selbgcolor); - selcol[ColFG] = getcolor(&dc, selfgcolor); - initfont(&dc, font); - - /* input window */ - wa.override_redirect = True; - wa.background_pixmap = ParentRelative; - wa.event_mask = ExposureMask | KeyPressMask | VisibilityChangeMask; - - /* input window geometry */ - mh = dc.font.height + 2; -#if XINERAMA - if(XineramaIsActive(dpy) && (info = XineramaQueryScreens(dpy, &n))) { - i = 0; - if(n > 1) { - int di; - unsigned int dui; - Window dummy; - if(XQueryPointer(dpy, root, &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 - { - x = 0; - y = topbar ? 0 : DisplayHeight(dpy, screen) - mh; - mw = DisplayWidth(dpy, screen); - } - - win = XCreateWindow(dpy, root, x, y, mw, mh, 0, - DefaultDepth(dpy, screen), CopyFromParent, - DefaultVisual(dpy, screen), - CWOverrideRedirect | CWBackPixmap | CWEventMask, &wa); - - setupdraw(&dc, win); - if(prompt) - promptw = MIN(textw(&dc, prompt), mw / 5); - cursor = strlen(text); - XMapRaised(dpy, win); + drawbar(); } int main(int argc, char *argv[]) { unsigned int i; - Bool topbar = True; /* command line args */ progname = "dinput"; @@ -350,11 +200,13 @@ main(int argc, char *argv[]) { if(++i < argc) selfgcolor = argv[i]; } else if(!strcmp(argv[i], "-v")) { - printf("dinput-"VERSION", © 2006-2010 dinput engineers, see LICENSE for details\n"); + printf("dinput-"VERSION", © 2006-2010 dmenu engineers, see LICENSE for details\n"); exit(EXIT_SUCCESS); } - else if(!*text) + else if(!*text) { strncpy(text, argv[i], sizeof text); + cursor = strlen(text); + } else { fputs("usage: dinput [-b] [-fn ] [-nb ] [-nf ]\n" " [-p ] [-sb ] [-sf ] [-v] []\n", stderr); @@ -364,15 +216,13 @@ main(int argc, char *argv[]) { fprintf(stderr, "dinput: warning: no locale support\n"); if(!(dpy = XOpenDisplay(NULL))) eprint("cannot open display\n"); + if(atexit(&cleanup) != 0) + eprint("cannot register cleanup\n"); screen = DefaultScreen(dpy); root = RootWindow(dpy, screen); - running = grabkeyboard(); - setup(topbar); - drawinput(); - XSync(dpy, False); + grabkeyboard(); + setup(0); run(); - cleanup(); - XCloseDisplay(dpy); - return ret; + return 0; }