/* * (C)opyright MMIV-MMVI Anselm R. Garbe * See LICENSE file for license details. */ #include #include #include #include #include "wm.h" /* local functions */ static void handle_buttonpress(XEvent * e); static void handle_configurerequest(XEvent * e); static void handle_destroynotify(XEvent * e); static void handle_expose(XEvent * e); static void handle_keypress(XEvent * e); static void handle_keymapnotify(XEvent * e); static void handle_maprequest(XEvent * e); static void handle_motionnotify(XEvent * e); static void handle_propertynotify(XEvent * e); static void handle_unmapnotify(XEvent * e); void (*handler[LASTEvent]) (XEvent *); void init_x_event_handler() { int i; /* init event handler */ for(i = 0; i < LASTEvent; i++) { handler[i] = 0; } handler[ButtonPress] = handle_buttonpress; handler[ConfigureRequest] = handle_configurerequest; handler[DestroyNotify] = handle_destroynotify; handler[Expose] = handle_expose; handler[KeyPress] = handle_keypress; handler[KeymapNotify] = handle_keymapnotify; handler[MapRequest] = handle_maprequest; handler[MotionNotify] = handle_motionnotify; handler[PropertyNotify] = handle_propertynotify; handler[UnmapNotify] = handle_unmapnotify; } void check_x_event(IXPConn *c) { XEvent ev; while(XPending(dpy)) { /* main evet loop */ XNextEvent(dpy, &ev); if(handler[ev.type]) (handler[ev.type]) (&ev); /* call handler */ } } static void handle_buttonpress(XEvent *e) { Client *c; XButtonPressedEvent *ev = &e->xbutton; Align align; static char buf[32]; if(ev->window == winbar) { unsigned int i; for(i = 0; i < nlabel; i++) if(blitz_ispointinrect(ev->x, ev->y, &label[i]->rect)) { snprintf(buf, sizeof(buf), "LB %d %d\n", i, ev->button); write_event(buf); } } else if((c = win2clientframe(ev->window))) { if(ev->button == Button1) { if(sel_client() != c) { focus(c); return; } align = cursor2align(c->cursor); if(align == CENTER) mouse_move(c); else mouse_resize(c, align); } if(c->frame) { snprintf(buf, sizeof(buf), "CB %d %d\n", frame2index(c->frame) + 1, ev->button); write_event(buf); } } else if((c = win2client(ev->window))) { ev->state &= valid_mask; if(ev->state & Mod1Mask) { XRaiseWindow(dpy, c->framewin); switch (ev->button) { case Button1: focus(c); mouse_move(c); break; case Button3: focus(c); align = xy2align(&c->rect, ev->x, ev->y); if(align == CENTER) mouse_move(c); else mouse_resize(c, align); break; } } else if(ev->button == Button1) focus(c); if(c->frame) { snprintf(buf, sizeof(buf), "CB %d %d\n", frame2index(c->frame) + 1, ev->button); write_event(buf); } } } static void handle_configurerequest(XEvent *e) { XConfigureRequestEvent *ev = &e->xconfigurerequest; XWindowChanges wc; Client *c; c = win2client(ev->window); ev->value_mask &= ~CWSibling; if(c) { gravitate(c, True); if(ev->value_mask & CWX) c->rect.x = ev->x; if(ev->value_mask & CWY) c->rect.y = ev->y; if(ev->value_mask & CWWidth) c->rect.width = ev->width; if(ev->value_mask & CWHeight) c->rect.height = ev->height; if(ev->value_mask & CWBorderWidth) c->border = ev->border_width; gravitate(c, False); if(c->frame) { Frame *f = c->frame; f->rect.x = wc.x = c->rect.x - def.border; f->rect.y = wc.y = c->rect.y - bar_height(); f->rect.width = wc.width = c->rect.width + 2 * def.border; f->rect.height = wc.height = c->rect.height + def.border + bar_height(); wc.border_width = 1; wc.sibling = None; wc.stack_mode = ev->detail; XConfigureWindow(dpy, c->framewin, ev->value_mask, &wc); configure_client(c); } } wc.x = ev->x; wc.y = ev->y; if(c && c->frame) { wc.x = def.border; wc.y = bar_height(); } wc.width = ev->width; wc.height = ev->height; wc.border_width = 0; wc.sibling = None; wc.stack_mode = Above; ev->value_mask &= ~CWStackMode; ev->value_mask |= CWBorderWidth; XConfigureWindow(dpy, ev->window, ev->value_mask, &wc); XSync(dpy, False); } static void handle_destroynotify(XEvent *e) { XDestroyWindowEvent *ev = &e->xdestroywindow; Client *c = win2client(ev->window); if(c->frame) detach_client(c, False); destroy_client(c); } static void handle_expose(XEvent *e) { XExposeEvent *ev = &e->xexpose; static Client *c; if(ev->count == 0) { if(ev->window == winbar) draw_bar(); else if((c = win2clientframe(ev->window)) && c->frame) draw_client(c); } } static void handle_keypress(XEvent *e) { XKeyEvent *ev = &e->xkey; ev->state &= valid_mask; handle_key(root, ev->state, (KeyCode) ev->keycode); } static void handle_keymapnotify(XEvent *e) { unsigned int i; for(i = 0; i < nkey; i++) { ungrab_key(key[i]); grab_key(key[i]); } } static void handle_maprequest(XEvent *e) { XMapRequestEvent *ev = &e->xmaprequest; static XWindowAttributes wa; static Client *c; if(!XGetWindowAttributes(dpy, ev->window, &wa)) return; if(wa.override_redirect) { XSelectInput(dpy, ev->window, (StructureNotifyMask | PropertyChangeMask)); return; } /* there're client which send map requests twice */ c = win2client(ev->window); if(!c) c = alloc_client(ev->window, &wa); if(!c->frame) attach_client(c); } static void handle_motionnotify(XEvent *e) { Client *c = win2clientframe(e->xmotion.window); if(c) { Cursor cursor = cursor_for_motion(c, e->xmotion.x, e->xmotion.y); if(cursor != c->cursor) { c->cursor = cursor; XDefineCursor(dpy, c->framewin, cursor); } } } static void handle_propertynotify(XEvent *e) { XPropertyEvent *ev = &e->xproperty; Client *c; if(ev->state == PropertyDelete) return; /* ignore */ if((c = win2client(ev->window))) handle_client_property(c, ev); } static void handle_unmapnotify(XEvent *e) { XUnmapEvent *ev = &e->xunmap; Client *c; if((c = win2client(ev->window))) detach_client(c, True); }