mirror of https://github.com/0intro/wmii
589 lines
15 KiB
C
589 lines
15 KiB
C
/*
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* (C)opyright MMIV-MMVI Anselm R. Garbe <garbeam at gmail dot com>
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* See LICENSE file for license details.
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*/
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#include <fcntl.h>
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#include <stdlib.h>
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#include <string.h>
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#include <sys/stat.h>
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#include <sys/wait.h>
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#include <unistd.h>
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#include <X11/cursorfont.h>
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#include <X11/Xproto.h>
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#include <X11/keysym.h>
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#include <X11/Xatom.h>
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#include <X11/Xproto.h>
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#include "wm.h"
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static XRectangle initial_rect;
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static int other_wm_running;
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static int (*x_error_handler) (Display *, XErrorEvent *);
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static char version[] = "wmiiwm - " VERSION ", (C)opyright MMIV-MMVI Anselm R. Garbe\n";
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static void
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usage()
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{
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fprintf(stderr, "%s", "usage: wmiiwm -a <address> [-c] [-v]\n");
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exit(1);
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}
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static void
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scale_rect(XRectangle * from_dim, XRectangle * to_dim,
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XRectangle * src, XRectangle * tgt)
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{
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double wfact = (double) to_dim->width / (double) from_dim->width;
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double hfact = (double) to_dim->height / (double) from_dim->height;
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tgt->x = to_dim->x + (src->x * wfact);
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tgt->y = to_dim->y + (src->y * hfact);
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tgt->width = (src->width * wfact);
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tgt->height = (src->height * hfact);
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if(tgt->width < 1)
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tgt->width = 1;
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if(tgt->height < 1)
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tgt->height = 1;
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}
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static void
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draw_pager_client(Client *c, Draw *d)
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{
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if(c == sel_client_of_page(c->area->page))
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d->color = def.sel;
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else
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d->color = def.norm;
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d->data = c->name;
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scale_rect(&rect, &initial_rect, &c->frame.rect, &d->rect);
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blitz_drawlabel(dpy, d);
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XSync(dpy, False); /* do not clear upwards */
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}
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static void
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draw_pager_page(size_t idx, Draw *d)
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{
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int i, j;
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char name[4];
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initial_rect = d->rect;
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if(idx == sel)
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d->color = def.sel;
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else
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d->color = def.norm;
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snprintf(name, sizeof(name), "%d", idx + 1);
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d->data = name;
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blitz_drawlabel(dpy, d);
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XSync(dpy, False);
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for(i = 0; i < page[idx]->narea; i++) {
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Area *a = page[idx]->area[i];
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if(!a->nclient)
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continue;
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for(j = 0; j < a->nclient; j++)
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draw_pager_client(a->client[j], d);
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}
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}
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static void
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draw_pager()
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{
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Draw d = { 0 };
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unsigned int i, ic, ir, tw, th, rows, cols;
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int dx;
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blitz_getbasegeometry(npage - 1, &cols, &rows);
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dx = (cols - 1) * DEF_PAGER_GAP; /* DEF_PAGER_GAPpx space */
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tw = (rect.width - dx) / cols;
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th = ((double) tw / rect.width) * rect.height;
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d.drawable = transient;
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d.gc = gc_transient;
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d.font = xfont;
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d.align = CENTER;
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i = 1;
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for(ir = 0; ir < rows; ir++) {
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for(ic = 0; ic < cols; ic++) {
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d.rect.x = ic * tw + (ic * DEF_PAGER_GAP);
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d.rect.width = tw;
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if(rows == 1)
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d.rect.y = 0;
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else
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d.rect.y = ir * (rect.height - th) / (rows - 1);
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d.rect.height = th;
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draw_pager_page(i++, &d);
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if(i == npage)
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return;
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}
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}
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}
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static int
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xy2pager_page(int x, int y)
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{
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unsigned int i, ic, ir, tw, th, rows, cols;
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int dx;
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XRectangle r;
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for(i = 0; (i < pagesz) && page[i]; i++);
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blitz_getbasegeometry(i, &cols, &rows);
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dx = (cols - 1) * DEF_PAGER_GAP; /* DEF_PAGER_GAPpx space */
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tw = (rect.width - dx) / cols;
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th = ((double) tw / rect.width) * rect.height;
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i = 0;
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for(ir = 0; ir < rows; ir++) {
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for(ic = 0; ic < cols; ic++) {
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r.x = ic * tw + (ic * DEF_PAGER_GAP);
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r.width = tw;
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if(rows == 1)
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r.y = 0;
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else
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r.y = ir * (rect.height - th) / (rows - 1);
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r.height = th;
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if(blitz_ispointinrect(x, y, &r))
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return i;
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i++;
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if(!page[i])
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return -1;
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}
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}
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return -1;
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}
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static int
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handle_kpress(XKeyEvent * e)
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{
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KeySym ksym = XKeycodeToKeysym(dpy, e->keycode, 0);
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if(ksym >= XK_1 && ksym <= XK_9)
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return ksym - XK_1;
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else if(ksym == XK_0)
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return 9;
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else if(ksym >= XK_a && ksym <= XK_z)
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return 10 + ksym - XK_a;
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return -1;
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}
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void
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pager()
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{
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XEvent ev;
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int i;
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Client *c;
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if(npage < 2)
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return;
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XClearWindow(dpy, transient);
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XMapRaised(dpy, transient);
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draw_pager();
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while(XGrabKeyboard
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(dpy, transient, True, GrabModeAsync, GrabModeAsync,
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CurrentTime) != GrabSuccess)
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usleep(20000);
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while(XGrabPointer
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(dpy, transient, False, ButtonPressMask, GrabModeAsync,
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GrabModeAsync, None, normal_cursor, CurrentTime) != GrabSuccess)
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usleep(20000);
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for(;;) {
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while(!XCheckWindowEvent
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(dpy, transient, ButtonPressMask | KeyPressMask, &ev)) {
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usleep(20000);
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continue;
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}
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switch (ev.type) {
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case KeyPress:
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XUnmapWindow(dpy, transient);
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if((i = handle_kpress(&ev.xkey)) != -1)
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if(i < npage) {
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focus_page(page[i]);
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if((c = sel_client_of_page(page[i])))
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focus_client(c);
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}
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XUngrabKeyboard(dpy, CurrentTime);
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XUngrabPointer(dpy, CurrentTime /* ev.xbutton.time */ );
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XSync(dpy, False);
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return;
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break;
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case ButtonPress:
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XUnmapWindow(dpy, transient);
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if(ev.xbutton.button == Button1) {
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i = xy2pager_page(ev.xbutton.x, ev.xbutton.y);
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focus_page(page[i]);
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if((c = sel_client_of_page(page[i])))
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focus_client(c);
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}
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XUngrabKeyboard(dpy, CurrentTime);
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XUngrabPointer(dpy, CurrentTime /* ev.xbutton.time */ );
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XSync(dpy, False);
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return;
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break;
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}
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}
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}
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Client *
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win2client(Window w)
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{
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size_t i;
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for(i = 0; (i < clientsz) && client[i]; i++)
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if(client[i]->win == w)
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return client[i];
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return nil;
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}
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void
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scan_wins()
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{
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int i;
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unsigned int num;
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Window *wins;
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XWindowAttributes wa;
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Window d1, d2;
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Client *c;
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if(XQueryTree(dpy, root, &d1, &d2, &wins, &num)) {
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for(i = 0; i < num; i++) {
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if(!XGetWindowAttributes(dpy, wins[i], &wa))
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continue;
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if(wa.override_redirect
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|| XGetTransientForHint(dpy, wins[i], &d1))
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continue;
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if(wa.map_state == IsViewable) {
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c = alloc_client(wins[i], &wa);
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attach_client(c);
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}
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}
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}
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if(wins)
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XFree(wins);
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}
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static int
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win_property(Window w, Atom a, Atom t, long l, unsigned char **prop)
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{
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Atom real;
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int format;
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unsigned long res, extra;
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int status;
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status =
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XGetWindowProperty(dpy, w, a, 0L, l, False, t, &real, &format,
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&res, &extra, prop);
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if(status != Success || *prop == 0) {
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return 0;
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}
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if(res == 0) {
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free((void *) *prop);
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}
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return res;
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}
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int
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win_proto(Window w)
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{
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Atom *protocols;
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long res;
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int protos = 0;
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int i;
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res = win_property(w, wm_protocols, XA_ATOM, 20L,
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((unsigned char **) &protocols));
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if(res <= 0) {
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return protos;
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}
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for(i = 0; i < res; i++) {
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if(protocols[i] == wm_delete) {
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protos |= PROTO_DEL;
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}
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}
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free((char *) protocols);
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return protos;
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}
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int
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win_state(Window w)
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{
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/* state hints */
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XWMHints *hints = XGetWMHints(dpy, w);
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int res;
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long *prop = 0;
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if(win_property(w, wm_state, wm_state, 2L,
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((unsigned char **) &prop)) > 0) {
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res = (int) *prop;
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free((long *) prop);
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} else {
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res = hints ? hints->initial_state : NormalState;
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}
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if(hints) {
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free(hints);
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}
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return res;
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}
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static void
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init_atoms()
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{
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wm_state = XInternAtom(dpy, "WM_STATE", False);
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wm_change_state = XInternAtom(dpy, "WM_CHANGE_STATE", False);
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wm_protocols = XInternAtom(dpy, "WM_PROTOCOLS", False);
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wm_delete = XInternAtom(dpy, "WM_DELETE_WINDOW", False);
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motif_wm_hints = XInternAtom(dpy, "_MOTIF_WM_HINTS", False);
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net_atoms[NET_NUMBER_OF_DESKTOPS] = XInternAtom(dpy, "_NET_NUMBER_OF_DESKTOPS", False);
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net_atoms[NET_CURRENT_DESKTOP] = XInternAtom(dpy, "_NET_CURRENT_DESKTOP", False);
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net_atoms[NET_WM_DESKTOP] = XInternAtom(dpy, "_NET_WM_DESKTOP", False);
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XChangeProperty(dpy, root, XInternAtom(dpy, "_NET_SUPPORTED", False), XA_ATOM, 32, PropModeReplace, (unsigned char *) net_atoms, NET_ATOM_COUNT);
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}
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static void
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init_cursors()
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{
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normal_cursor = XCreateFontCursor(dpy, XC_left_ptr);
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resize_cursor = XCreateFontCursor(dpy, XC_sizing);
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move_cursor = XCreateFontCursor(dpy, XC_fleur);
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drag_cursor = XCreateFontCursor(dpy, XC_cross);
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w_cursor = XCreateFontCursor(dpy, XC_left_side);
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e_cursor = XCreateFontCursor(dpy, XC_right_side);
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n_cursor = XCreateFontCursor(dpy, XC_top_side);
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s_cursor = XCreateFontCursor(dpy, XC_bottom_side);
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nw_cursor = XCreateFontCursor(dpy, XC_top_left_corner);
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ne_cursor = XCreateFontCursor(dpy, XC_top_right_corner);
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sw_cursor = XCreateFontCursor(dpy, XC_bottom_left_corner);
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se_cursor = XCreateFontCursor(dpy, XC_bottom_right_corner);
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}
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static void
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init_screen()
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{
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XGCValues gcv;
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XSetWindowAttributes wa;
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gcv.subwindow_mode = IncludeInferiors;
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gcv.function = GXxor;
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gcv.foreground = def.sel.bg;
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gcv.line_width = 4;
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gcv.plane_mask = AllPlanes;
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gcv.graphics_exposures = False;
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gc_xor = XCreateGC(dpy, root, GCForeground | GCGraphicsExposures
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| GCFunction | GCSubwindowMode | GCLineWidth
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| GCPlaneMask, &gcv);
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rect.x = rect.y = 0;
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rect.width = DisplayWidth(dpy, screen);
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rect.height = DisplayHeight(dpy, screen);
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wa.override_redirect = 1;
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wa.background_pixmap = ParentRelative;
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wa.event_mask = ExposureMask | ButtonPressMask;
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transient =
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XCreateWindow(dpy, root, 0, 0, rect.width, rect.height, 0,
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DefaultDepth(dpy, screen), CopyFromParent,
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DefaultVisual(dpy, screen),
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CWOverrideRedirect | CWBackPixmap | CWEventMask,
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&wa);
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XSync(dpy, False);
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gc_transient = XCreateGC(dpy, transient, 0, 0);
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XDefineCursor(dpy, transient, normal_cursor);
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XDefineCursor(dpy, root, normal_cursor);
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}
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/*
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* There's no way to check accesses to destroyed windows, thus
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* those cases are ignored (especially on UnmapNotify's).
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* Other types of errors call Xlib's default error handler, which
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* calls exit().
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*/
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static int
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wmii_error_handler(Display * dpy, XErrorEvent * error)
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{
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if(error->error_code == BadWindow
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|| (error->request_code == X_SetInputFocus
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&& error->error_code == BadMatch)
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|| (error->request_code == X_PolyText8
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&& error->error_code == BadDrawable)
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|| (error->request_code == X_PolyFillRectangle
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&& error->error_code == BadDrawable)
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|| (error->request_code == X_PolySegment
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&& error->error_code == BadDrawable)
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|| (error->request_code == X_ConfigureWindow
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&& error->error_code == BadMatch))
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return 0;
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fprintf(stderr, "%s", "wmiiwm: fatal error");
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return x_error_handler(dpy, error); /* calls exit() */
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}
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/*
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* Startup Error handler to check if another window manager
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* is already running.
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*/
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static int
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startup_error_handler(Display * dpy, XErrorEvent * error)
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{
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other_wm_running = 1;
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return -1;
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}
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static void
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cleanup()
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{
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size_t i;
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Client *c;
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for(i = 0; client && client[i]; i++) {
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c = client[i];
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reparent_client(c, root, c->frame.rect.x, c->frame.rect.y);
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}
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XSetInputFocus(dpy, PointerRoot, RevertToPointerRoot, CurrentTime);
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XSync(dpy, False);
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}
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int
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main(int argc, char *argv[])
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{
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int i;
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int checkwm = 0;
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char *address = nil, *errstr;
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XSetWindowAttributes wa;
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/* command line args */
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if(argc > 1) {
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for(i = 1; (i < argc) && (argv[i][0] == '-'); i++) {
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switch (argv[i][1]) {
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case 'v':
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fprintf(stdout, "%s", version);
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exit(0);
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break;
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case 'c':
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checkwm = 1;
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break;
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case 'a':
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if(i + 1 < argc)
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address = argv[++i];
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else
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usage();
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break;
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default:
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usage();
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break;
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}
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}
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}
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dpy = XOpenDisplay(0);
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if(!dpy) {
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fprintf(stderr, "%s", "wmiiwm: cannot open display\n");
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exit(1);
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}
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screen = DefaultScreen(dpy);
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root = RootWindow(dpy, screen);
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/* check if another WM is already running */
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other_wm_running = 0;
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XSetErrorHandler(startup_error_handler);
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/* this causes an error if some other WM is running */
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XSelectInput(dpy, root, ROOT_MASK);
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XSync(dpy, False);
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if(other_wm_running) {
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fprintf(stderr,
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"wmiiwm: another window manager is already running\n");
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exit(1);
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}
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if(checkwm) {
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XCloseDisplay(dpy);
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exit(0);
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}
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/* above -c is checked */
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if(!address)
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usage();
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XSetErrorHandler(0);
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x_error_handler = XSetErrorHandler(wmii_error_handler);
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errstr = nil;
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i = ixp_create_sock(address, &errstr);
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if(i < 0) {
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fprintf(stderr, "wmii: fatal: %s\n", errstr);
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exit(1);
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}
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/* IXP server */
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ixp_server_open_conn(&srv, i, new_ixp_conn, ixp_server_close_conn);
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root_qid.type = IXP_QTDIR;
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root_qid.version = 0;
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root_qid.path = mkqpath(Droot, 0, 0, 0);
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/* X server */
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ixp_server_open_conn(&srv, ConnectionNumber(dpy), check_x_event, nil);
|
|
init_x_event_handler();
|
|
|
|
npage = nclient = pagesz = clientsz = sel = 0;
|
|
page = nil;
|
|
client = nil;
|
|
|
|
key = nil;
|
|
keysz = nkey = 0;
|
|
label = nil;
|
|
nlabel = labelsz = iexpand = 0;
|
|
|
|
def.font = strdup(BLITZ_FONT);
|
|
def.border = DEF_BORDER;
|
|
def.snap = DEF_SNAP;
|
|
def.inc = True;
|
|
cext_strlcpy(def.selcolor, BLITZ_SELCOLORS, sizeof(def.selcolor));
|
|
blitz_loadcolor(dpy, screen, def.selcolor, &def.sel);
|
|
cext_strlcpy(def.normcolor, BLITZ_NORMCOLORS, sizeof(def.normcolor));
|
|
blitz_loadcolor(dpy, screen, def.normcolor, &def.norm);
|
|
|
|
init_atoms();
|
|
init_cursors();
|
|
xfont = blitz_getfont(dpy, def.font);
|
|
init_lock_modifiers();
|
|
init_screen();
|
|
|
|
wa.override_redirect = 1;
|
|
wa.background_pixmap = ParentRelative;
|
|
wa.event_mask = ExposureMask | ButtonPressMask
|
|
| SubstructureRedirectMask | SubstructureNotifyMask;
|
|
brect = rect;
|
|
brect.height = xfont->ascent + xfont->descent + 4;
|
|
brect.y = rect.height - brect.height;
|
|
winbar = XCreateWindow(dpy, RootWindow(dpy, screen), brect.x, brect.y,
|
|
brect.width, brect.height, 0, DefaultDepth(dpy, screen),
|
|
CopyFromParent, DefaultVisual(dpy, screen),
|
|
CWOverrideRedirect | CWBackPixmap | CWEventMask, &wa);
|
|
|
|
XDefineCursor(dpy, winbar, XCreateFontCursor(dpy, XC_left_ptr));
|
|
XSync(dpy, False);
|
|
|
|
gcbar = XCreateGC(dpy, winbar, 0, 0);
|
|
|
|
pmapbar = XCreatePixmap(dpy, winbar, brect.width, brect.height,
|
|
DefaultDepth(dpy, screen));
|
|
XMapRaised(dpy, winbar);
|
|
draw_bar();
|
|
|
|
alloc_page(); /* page 0 */
|
|
scan_wins();
|
|
|
|
/* main event loop */
|
|
errstr = ixp_server_loop(&srv);
|
|
if(errstr)
|
|
fprintf(stderr, "wmii: fatal: %s\n", errstr);
|
|
|
|
ixp_server_close(&srv);
|
|
cleanup();
|
|
XCloseDisplay(dpy);
|
|
|
|
return errstr ? 1 : 0;
|
|
}
|