130 lines
2.8 KiB
C
130 lines
2.8 KiB
C
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/* See LICENSE file for copyright and license details. */
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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#include <X11/keysym.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 "dmenu.h"
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/* variables */
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char *prompt = NULL;
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char text[4096] = "";
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int promptw = 0;
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int screen;
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unsigned int numlockmask = 0;
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unsigned int mw, mh;
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unsigned long normcol[ColLast];
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unsigned long selcol[ColLast];
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Bool topbar = True;
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DC dc;
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Display *dpy;
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Window win, root;
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void
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grabkeyboard(void) {
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unsigned int len;
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for(len = 1000; len; len--) {
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if(XGrabKeyboard(dpy, root, True, GrabModeAsync, GrabModeAsync, CurrentTime)
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== GrabSuccess)
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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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run(void) {
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XEvent ev;
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/* main event loop */
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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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break;
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case Expose:
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if(ev.xexpose.count == 0)
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drawbar();
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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(unsigned int lines) {
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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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