atexit cleanup
This commit is contained in:
Connor Lane Smith
parent
6ba5103df4
commit
d9c24564d2
35
dinput.c
35
dinput.c
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@ -26,7 +26,7 @@ static void drawinput(void);
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static Bool grabkeyboard(void);
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static void kpress(XKeyEvent *e);
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static void run(void);
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static void setup(Bool topbar);
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static void setup(void);
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#include "config.h"
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@ -34,14 +34,13 @@ static void setup(Bool topbar);
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static char *prompt = NULL;
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static char text[4096];
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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 cursor = 0;
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static unsigned int numlockmask = 0;
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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 running = True;
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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 Window win, root;
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@ -51,6 +50,7 @@ cleanup(void) {
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cleanupdraw(&dc);
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XDestroyWindow(dpy, win);
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XUngrabKeyboard(dpy, CurrentTime);
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XCloseDisplay(dpy);
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}
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void
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@ -81,7 +81,6 @@ drawinput(void)
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drawtext(&dc, *text ? text : NULL, normcol, False);
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drawcursor();
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XCopyArea(dpy, dc.drawable, win, dc.gc, 0, 0, mw, mh, 0, 0);
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XFlush(dpy);
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}
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Bool
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@ -200,9 +199,7 @@ kpress(XKeyEvent *e) {
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cursor = len;
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break;
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case XK_Escape:
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ret = 1;
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running = False;
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return;
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exit(EXIT_FAILURE);
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case XK_Home:
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cursor = 0;
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break;
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@ -214,8 +211,7 @@ kpress(XKeyEvent *e) {
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case XK_Return:
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fprintf(stdout, "%s", text);
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fflush(stdout);
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running = False;
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return;
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exit(EXIT_SUCCESS);
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case XK_Right:
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if(cursor == len)
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return;
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@ -230,7 +226,8 @@ run(void) {
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XEvent ev;
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/* main event loop */
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while(running && !XNextEvent(dpy, &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 KeyPress:
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kpress(&ev.xkey);
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@ -240,14 +237,15 @@ run(void) {
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drawinput();
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break;
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case VisibilityNotify:
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if (ev.xvisibility.state != VisibilityUnobscured)
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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(Bool topbar) {
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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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@ -320,7 +318,6 @@ setup(Bool topbar) {
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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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Bool topbar = True;
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/* command line args */
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progname = "dinput";
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@ -364,15 +361,13 @@ main(int argc, char *argv[]) {
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fprintf(stderr, "dinput: warning: no locale support\n");
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if(!(dpy = XOpenDisplay(NULL)))
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eprint("cannot open display\n");
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if(atexit(&cleanup) != 0)
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eprint("cannot register cleanup\n");
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screen = DefaultScreen(dpy);
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root = RootWindow(dpy, screen);
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running = grabkeyboard();
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setup(topbar);
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drawinput();
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XSync(dpy, False);
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grabkeyboard();
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setup();
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run();
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cleanup();
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XCloseDisplay(dpy);
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return ret;
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return 0;
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}
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47
dmenu.c
47
dmenu.c
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@ -36,7 +36,7 @@ static void dinput(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 Bool grabkeyboard(void);
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static void grabkeyboard(void);
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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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@ -52,14 +52,12 @@ static char *prompt = NULL;
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static char text[4096];
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static int cmdw = 0;
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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 lines = 0;
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static unsigned int numlockmask = 0;
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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 running = True;
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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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@ -87,15 +85,15 @@ appenditem(Item *i, Item **list, Item **last) {
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void
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calcoffsetsh(void) {
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unsigned int w;
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unsigned int x;
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w = promptw + cmdw + (2 * spaceitem);
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x = promptw + cmdw + (2 * spaceitem);
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for(next = curr; next; next = next->right)
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if((w += MIN(textw(&dc, next->text), mw / 3)) > mw)
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if((x += MIN(textw(&dc, next->text), mw / 3)) > mw)
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break;
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w = promptw + cmdw + (2 * spaceitem);
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x = promptw + cmdw + (2 * spaceitem);
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for(prev = curr; prev && prev->left; prev = prev->left)
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if((w += MIN(textw(&dc, prev->left->text), mw / 3)) > mw)
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if((x += MIN(textw(&dc, prev->left->text), mw / 3)) > mw)
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break;
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}
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@ -146,6 +144,7 @@ cleanup(void) {
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cleanupdraw(&dc);
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XDestroyWindow(dpy, win);
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XUngrabKeyboard(dpy, CurrentTime);
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XCloseDisplay(dpy);
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}
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void
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@ -182,7 +181,6 @@ drawmenu(void) {
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else if(curr)
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drawmenuh();
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XCopyArea(dpy, dc.drawable, win, dc.gc, 0, 0, mw, mh, 0, 0);
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XFlush(dpy);
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}
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void
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@ -219,7 +217,7 @@ drawmenuv(void) {
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XMoveResizeWindow(dpy, win, wa.x, wa.y + (topbar ? 0 : wa.height - mh), mw, mh);
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}
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Bool
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void
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grabkeyboard(void) {
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unsigned int len;
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@ -229,7 +227,8 @@ grabkeyboard(void) {
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break;
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usleep(1000);
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}
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return len > 0;
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if(!len)
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exit(EXIT_FAILURE);
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}
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void
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@ -326,9 +325,7 @@ kpress(XKeyEvent *e) {
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sel = sel->right;
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break;
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case XK_Escape:
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ret = 1;
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running = False;
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return;
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exit(EXIT_FAILURE);
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case XK_Home:
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sel = curr = item;
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calcoffsets();
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@ -360,8 +357,7 @@ kpress(XKeyEvent *e) {
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dinput();
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fprintf(stdout, "%s", sel ? sel->text : text);
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fflush(stdout);
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running = False;
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return;
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exit(EXIT_SUCCESS);
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case XK_Right:
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case XK_Down:
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if(!sel || !sel->right)
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@ -454,7 +450,8 @@ run(void) {
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XEvent ev;
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/* main event loop */
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while(running && !XNextEvent(dpy, &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 KeyPress:
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kpress(&ev.xkey);
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@ -464,10 +461,11 @@ run(void) {
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drawmenu();
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break;
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case VisibilityNotify:
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if (ev.xvisibility.state != VisibilityUnobscured)
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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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@ -586,13 +584,15 @@ main(int argc, char *argv[]) {
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}
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else {
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fputs("usage: dmenu [-i] [-b] [-l <lines>] [-fn <font>] [-nb <color>]\n"
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" [-nf <color>] [-p <prompt>] [-sb <color>] [-sf <color>] [-v]\n", stderr);
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" [-nf <color>] [-p <prompt>] [-sb <color>] [-sf <color>] [-v]\n", stderr);
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exit(EXIT_FAILURE);
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}
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if(!setlocale(LC_CTYPE, "") || !XSupportsLocale())
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fprintf(stderr, "dmenu: warning: no locale support\n");
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if(!(dpy = XOpenDisplay(NULL)))
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eprint("cannot open display\n");
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if(atexit(&cleanup) != 0)
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eprint("cannot register cleanup\n");
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screen = DefaultScreen(dpy);
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root = RootWindow(dpy, screen);
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if(!(argp = malloc(sizeof *argp * (argc+2))))
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@ -600,13 +600,8 @@ main(int argc, char *argv[]) {
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memcpy(argp + 2, argv + 1, sizeof *argp * argc);
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readstdin();
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running = grabkeyboard();
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grabkeyboard();
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setup();
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drawmenu();
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XSync(dpy, False);
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run();
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cleanup();
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XCloseDisplay(dpy);
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return ret;
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return 0;
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}
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