From d9c24564d2f46312a9ed94539e0299a9859e87d9 Mon Sep 17 00:00:00 2001 From: Connor Lane Smith Date: Fri, 2 Jul 2010 03:44:01 +0100 Subject: atexit cleanup --- dinput.c | 35 +++++++++++++++-------------------- dmenu.c | 47 +++++++++++++++++++++-------------------------- 2 files changed, 36 insertions(+), 46 deletions(-) diff --git a/dinput.c b/dinput.c index b789bd7..4c90cd7 100644 --- a/dinput.c +++ b/dinput.c @@ -26,7 +26,7 @@ static void drawinput(void); static Bool grabkeyboard(void); static void kpress(XKeyEvent *e); static void run(void); -static void setup(Bool topbar); +static void setup(void); #include "config.h" @@ -34,14 +34,13 @@ static void setup(Bool topbar); 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 Bool topbar = True; static DC dc; static Display *dpy; static Window win, root; @@ -51,6 +50,7 @@ cleanup(void) { cleanupdraw(&dc); XDestroyWindow(dpy, win); XUngrabKeyboard(dpy, CurrentTime); + XCloseDisplay(dpy); } void @@ -81,7 +81,6 @@ drawinput(void) drawtext(&dc, *text ? text : NULL, normcol, False); drawcursor(); XCopyArea(dpy, dc.drawable, win, dc.gc, 0, 0, mw, mh, 0, 0); - XFlush(dpy); } Bool @@ -200,9 +199,7 @@ kpress(XKeyEvent *e) { cursor = len; break; case XK_Escape: - ret = 1; - running = False; - return; + exit(EXIT_FAILURE); case XK_Home: cursor = 0; break; @@ -214,8 +211,7 @@ 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; @@ -230,7 +226,8 @@ run(void) { XEvent ev; /* main event loop */ - while(running && !XNextEvent(dpy, &ev)) + XSync(dpy, False); + while(!XNextEvent(dpy, &ev)) switch(ev.type) { case KeyPress: kpress(&ev.xkey); @@ -240,14 +237,15 @@ run(void) { drawinput(); break; case VisibilityNotify: - if (ev.xvisibility.state != VisibilityUnobscured) + if(ev.xvisibility.state != VisibilityUnobscured) XRaiseWindow(dpy, win); break; } + exit(EXIT_FAILURE); } void -setup(Bool topbar) { +setup(void) { int i, j, x, y; #if XINERAMA int n; @@ -320,7 +318,6 @@ setup(Bool topbar) { int main(int argc, char *argv[]) { unsigned int i; - Bool topbar = True; /* command line args */ progname = "dinput"; @@ -364,15 +361,13 @@ 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(); run(); - cleanup(); - XCloseDisplay(dpy); - return ret; + return 0; } diff --git a/dmenu.c b/dmenu.c index 680b4e7..2cc2cad 100644 --- a/dmenu.c +++ b/dmenu.c @@ -36,7 +36,7 @@ static void dinput(void); static void drawmenu(void); static void drawmenuh(void); static void drawmenuv(void); -static Bool grabkeyboard(void); +static void grabkeyboard(void); static void kpress(XKeyEvent *e); static void match(char *pattern); static void readstdin(void); @@ -52,14 +52,12 @@ static char *prompt = NULL; static char text[4096]; static int cmdw = 0; static int promptw = 0; -static int ret = 0; static int screen; static unsigned int lines = 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 Bool topbar = True; static DC dc; static Display *dpy; @@ -87,15 +85,15 @@ appenditem(Item *i, Item **list, Item **last) { void calcoffsetsh(void) { - unsigned int w; + unsigned int x; - w = promptw + cmdw + (2 * spaceitem); + x = promptw + cmdw + (2 * spaceitem); for(next = curr; next; next = next->right) - if((w += MIN(textw(&dc, next->text), mw / 3)) > mw) + if((x += MIN(textw(&dc, next->text), mw / 3)) > mw) break; - w = promptw + cmdw + (2 * spaceitem); + x = promptw + cmdw + (2 * spaceitem); for(prev = curr; prev && prev->left; prev = prev->left) - if((w += MIN(textw(&dc, prev->left->text), mw / 3)) > mw) + if((x += MIN(textw(&dc, prev->left->text), mw / 3)) > mw) break; } @@ -146,6 +144,7 @@ cleanup(void) { cleanupdraw(&dc); XDestroyWindow(dpy, win); XUngrabKeyboard(dpy, CurrentTime); + XCloseDisplay(dpy); } void @@ -182,7 +181,6 @@ drawmenu(void) { else if(curr) drawmenuh(); XCopyArea(dpy, dc.drawable, win, dc.gc, 0, 0, mw, mh, 0, 0); - XFlush(dpy); } void @@ -219,7 +217,7 @@ drawmenuv(void) { XMoveResizeWindow(dpy, win, wa.x, wa.y + (topbar ? 0 : wa.height - mh), mw, mh); } -Bool +void grabkeyboard(void) { unsigned int len; @@ -229,7 +227,8 @@ grabkeyboard(void) { break; usleep(1000); } - return len > 0; + if(!len) + exit(EXIT_FAILURE); } void @@ -326,9 +325,7 @@ kpress(XKeyEvent *e) { sel = sel->right; break; case XK_Escape: - ret = 1; - running = False; - return; + exit(EXIT_FAILURE); case XK_Home: sel = curr = item; calcoffsets(); @@ -360,8 +357,7 @@ kpress(XKeyEvent *e) { dinput(); fprintf(stdout, "%s", sel ? sel->text : text); fflush(stdout); - running = False; - return; + exit(EXIT_SUCCESS); case XK_Right: case XK_Down: if(!sel || !sel->right) @@ -454,7 +450,8 @@ run(void) { XEvent ev; /* main event loop */ - while(running && !XNextEvent(dpy, &ev)) + XSync(dpy, False); + while(!XNextEvent(dpy, &ev)) switch(ev.type) { case KeyPress: kpress(&ev.xkey); @@ -464,10 +461,11 @@ run(void) { drawmenu(); break; case VisibilityNotify: - if (ev.xvisibility.state != VisibilityUnobscured) + if(ev.xvisibility.state != VisibilityUnobscured) XRaiseWindow(dpy, win); break; } + exit(EXIT_FAILURE); } void @@ -586,13 +584,15 @@ main(int argc, char *argv[]) { } else { fputs("usage: dmenu [-i] [-b] [-l ] [-fn ] [-nb ]\n" - " [-nf ] [-p ] [-sb ] [-sf ] [-v]\n", stderr); + " [-nf ] [-p ] [-sb ] [-sf ] [-v]\n", stderr); exit(EXIT_FAILURE); } if(!setlocale(LC_CTYPE, "") || !XSupportsLocale()) fprintf(stderr, "dmenu: 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); if(!(argp = malloc(sizeof *argp * (argc+2)))) @@ -600,13 +600,8 @@ main(int argc, char *argv[]) { memcpy(argp + 2, argv + 1, sizeof *argp * argc); readstdin(); - running = grabkeyboard(); - + grabkeyboard(); setup(); - drawmenu(); - XSync(dpy, False); run(); - cleanup(); - XCloseDisplay(dpy); - return ret; + return 0; } -- cgit v1.2.3-70-g09d2