c/screen.c (raw)
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#include "openbox.h" #include "prop.h" #include "screen.h" #include "client.h" #include "focus.h" #include <X11/Xlib.h> #ifdef HAVE_UNISTD_H # include <sys/types.h> # include <unistd.h> #endif /*! The event mask to grab on the root window */ #define ROOT_EVENTMASK (/*ColormapChangeMask |*/ PropertyChangeMask | \ EnterWindowMask | LeaveWindowMask | \ SubstructureNotifyMask | SubstructureRedirectMask | \ ButtonPressMask | ButtonReleaseMask | ButtonMotionMask) guint screen_num_desktops = 1; guint screen_desktop = 0; Size screen_physical_size; gboolean screen_showing_desktop; DesktopLayout screen_desktop_layout; GPtrArray *screen_desktop_names; static Rect *area = NULL; static Strut *strut = NULL; static void screen_update_area(); static gboolean running; static int another_running(Display *d, XErrorEvent *e) { (void)d;(void)e; g_message("A window manager is already running on screen %d", ob_screen); running = TRUE; return -1; } gboolean screen_annex() { XErrorHandler old; Window support; pid_t pid; int i, num_support; Atom *supported; running = FALSE; old = XSetErrorHandler(another_running); XSelectInput(ob_display, ob_root, ROOT_EVENTMASK); XSync(ob_display, FALSE); XSetErrorHandler(old); if (running) return FALSE; g_message("Managing screen %d", ob_screen); /* set the mouse cursor for the root window (the default cursor) */ XDefineCursor(ob_display, ob_root, ob_cursors.left_ptr); /* set the OPENBOX_PID hint */ pid = getpid(); PROP_SET32(ob_root, openbox_pid, cardinal, pid); /* create the netwm support window */ support = XCreateSimpleWindow(ob_display, ob_root, 0, 0, 1, 1, 0, 0, 0); /* set supporting window */ PROP_SET32(ob_root, net_supporting_wm_check, window, support); /* set properties on the supporting window */ PROP_SETS(support, net_wm_name, utf8, "Openbox"); PROP_SET32(support, net_supporting_wm_check, window, support); /* set the _NET_SUPPORTED_ATOMS hint */ num_support = 48; i = 0; supported = g_new(Atom, num_support); supported[i++] = prop_atoms.net_current_desktop; supported[i++] = prop_atoms.net_number_of_desktops; supported[i++] = prop_atoms.net_desktop_geometry; supported[i++] = prop_atoms.net_desktop_viewport; supported[i++] = prop_atoms.net_active_window; supported[i++] = prop_atoms.net_workarea; supported[i++] = prop_atoms.net_client_list; supported[i++] = prop_atoms.net_client_list_stacking; supported[i++] = prop_atoms.net_desktop_names; supported[i++] = prop_atoms.net_close_window; supported[i++] = prop_atoms.net_desktop_layout; supported[i++] = prop_atoms.net_showing_desktop; supported[i++] = prop_atoms.net_wm_name; supported[i++] = prop_atoms.net_wm_visible_name; supported[i++] = prop_atoms.net_wm_icon_name; supported[i++] = prop_atoms.net_wm_visible_icon_name; supported[i++] = prop_atoms.net_wm_desktop; supported[i++] = prop_atoms.net_wm_strut; supported[i++] = prop_atoms.net_wm_window_type; supported[i++] = prop_atoms.net_wm_window_type_desktop; supported[i++] = prop_atoms.net_wm_window_type_dock; supported[i++] = prop_atoms.net_wm_window_type_toolbar; supported[i++] = prop_atoms.net_wm_window_type_menu; supported[i++] = prop_atoms.net_wm_window_type_utility; supported[i++] = prop_atoms.net_wm_window_type_splash; supported[i++] = prop_atoms.net_wm_window_type_dialog; supported[i++] = prop_atoms.net_wm_window_type_normal; supported[i++] = prop_atoms.net_wm_allowed_actions; supported[i++] = prop_atoms.net_wm_action_move; supported[i++] = prop_atoms.net_wm_action_resize; supported[i++] = prop_atoms.net_wm_action_minimize; supported[i++] = prop_atoms.net_wm_action_shade; supported[i++] = prop_atoms.net_wm_action_maximize_horz; supported[i++] = prop_atoms.net_wm_action_maximize_vert; supported[i++] = prop_atoms.net_wm_action_fullscreen; supported[i++] = prop_atoms.net_wm_action_change_desktop; supported[i++] = prop_atoms.net_wm_action_close; supported[i++] = prop_atoms.net_wm_state; supported[i++] = prop_atoms.net_wm_state_modal; supported[i++] = prop_atoms.net_wm_state_maximized_vert; supported[i++] = prop_atoms.net_wm_state_maximized_horz; supported[i++] = prop_atoms.net_wm_state_shaded; supported[i++] = prop_atoms.net_wm_state_skip_taskbar; supported[i++] = prop_atoms.net_wm_state_skip_pager; supported[i++] = prop_atoms.net_wm_state_hidden; supported[i++] = prop_atoms.net_wm_state_fullscreen; supported[i++] = prop_atoms.net_wm_state_above; supported[i++] = prop_atoms.net_wm_state_below; g_assert(i == num_support); /* supported[] = prop_atoms.net_wm_moveresize; supported[] = prop_atoms.net_wm_moveresize_size_topleft; supported[] = prop_atoms.net_wm_moveresize_size_topright; supported[] = prop_atoms.net_wm_moveresize_size_bottomleft; supported[] = prop_atoms.net_wm_moveresize_size_bottomright; supported[] = prop_atoms.net_wm_moveresize_move; supported[] = prop_atoms.net_wm_action_stick; */ PROP_SET32A(ob_root, net_supported, atom, supported, num_support); g_free(supported); return TRUE; } void screen_startup() { screen_desktop_names = g_ptr_array_new(); /* get the initial size */ screen_resize(); screen_set_num_desktops(4); screen_set_desktop(0); /* don't start in showing-desktop mode */ screen_showing_desktop = FALSE; PROP_SET32(ob_root, net_showing_desktop, cardinal, screen_showing_desktop); screen_update_layout(); } void screen_shutdown() { guint i; for (i = 0; i < screen_desktop_names->len; ++i) g_free(g_ptr_array_index(screen_desktop_names, i)); g_ptr_array_free(screen_desktop_names, TRUE); g_free(strut); g_free(area); } void screen_resize() { /* Set the _NET_DESKTOP_GEOMETRY hint */ /* XXX RandR support here? */ int geometry[2]; geometry[0] = WidthOfScreen(ScreenOfDisplay(ob_display, ob_screen)); geometry[1] = HeightOfScreen(ScreenOfDisplay(ob_display, ob_screen)); PROP_SET32A(ob_root, net_desktop_geometry, cardinal, geometry, 2); screen_physical_size.width = geometry[0]; screen_physical_size.height = geometry[1]; if (ob_state == State_Starting) return; screen_update_struts(); /* XXX adjust more stuff ? */ } void screen_set_num_desktops(guint num) { unsigned long *viewport; g_assert(num > 0); /* move windows on desktops that will no longer exist! */ /* XXX std::list<Client*>::iterator it, end = clients.end(); for (it = clients.begin(); it != end; ++it) { unsigned int d = (*it)->desktop(); if (d >= num && d != 0xffffffff) { XEvent ce; ce.xclient.type = ClientMessage; ce.xclient.message_type = otk::Property::atoms.net_wm_desktop; ce.xclient.display = **otk::display; ce.xclient.window = (*it)->window(); ce.xclient.format = 32; ce.xclient.data.l[0] = num - 1; XSendEvent(**otk::display, _info->rootWindow(), false, SubstructureNotifyMask | SubstructureRedirectMask, &ce); } } */ screen_num_desktops = num; PROP_SET32(ob_root, net_number_of_desktops, cardinal, num); /* set the viewport hint */ viewport = g_new0(unsigned long, num * 2); PROP_SET32A(ob_root, net_desktop_viewport, cardinal, viewport, num * 2); g_free(viewport); /* change our struts/area to match */ screen_update_struts(); /* the number of rows/columns will differ */ screen_update_layout(); /* may be some unnamed desktops that we need to fill in with names */ screen_update_desktop_names(); /* change our desktop if we're on one that no longer exists! */ if (screen_desktop >= screen_num_desktops) screen_set_desktop(num - 1); } void screen_set_desktop(guint num) { guint old = screen_desktop; g_assert(num < screen_num_desktops); g_message("Moving to desktop %u", num); screen_desktop = num; PROP_SET32(ob_root, net_current_desktop, cardinal, num); if (old == num) return; /* XXX show/hide all the clients std::list<Client*>::iterator it, end = clients.end(); for (it = clients.begin(); it != end; ++it) (*it)->showhide(); */ /* XXX force the callbacks to fire if (!openbox->focusedClient()) openbox->setFocusedClient(0); */ } void screen_update_layout() { unsigned long *data = NULL; /* defaults */ screen_desktop_layout.orientation = prop_atoms.net_wm_orientation_horz; screen_desktop_layout.start_corner = prop_atoms.net_wm_topleft; screen_desktop_layout.rows = 1; screen_desktop_layout.columns = screen_num_desktops; if (PROP_GET32A(ob_root, net_desktop_layout, cardinal, data, 4)) { if (data[0] == prop_atoms.net_wm_orientation_vert) screen_desktop_layout.orientation = data[0]; if (data[3] == prop_atoms.net_wm_topright) screen_desktop_layout.start_corner = data[3]; else if (data[3] == prop_atoms.net_wm_bottomright) screen_desktop_layout.start_corner = data[3]; else if (data[3] == prop_atoms.net_wm_bottomleft) screen_desktop_layout.start_corner = data[3]; /* fill in a zero rows/columns */ if (!(data[1] == 0 && data[2] == 0)) { /* both 0's is bad data.. */ if (data[1] == 0) { data[1] = (screen_num_desktops + screen_num_desktops % data[2]) / data[2]; } else if (data[2] == 0) { data[2] = (screen_num_desktops + screen_num_desktops % data[1]) / data[1]; } screen_desktop_layout.columns = data[1]; screen_desktop_layout.rows = data[2]; } /* bounds checking */ if (screen_desktop_layout.orientation == prop_atoms.net_wm_orientation_horz) { if (screen_desktop_layout.rows > screen_num_desktops) screen_desktop_layout.rows = screen_num_desktops; if (screen_desktop_layout.columns > ((screen_num_desktops + screen_num_desktops % screen_desktop_layout.rows) / screen_desktop_layout.rows)) screen_desktop_layout.columns = (screen_num_desktops + screen_num_desktops % screen_desktop_layout.rows) / screen_desktop_layout.rows; } else { if (screen_desktop_layout.columns > screen_num_desktops) screen_desktop_layout.columns = screen_num_desktops; if (screen_desktop_layout.rows > ((screen_num_desktops + screen_num_desktops % screen_desktop_layout.columns) / screen_desktop_layout.columns)) screen_desktop_layout.rows = (screen_num_desktops + screen_num_desktops % screen_desktop_layout.columns) / screen_desktop_layout.columns; } g_free(data); } } void screen_update_desktop_names() { guint i; /* empty the array */ for (i = 0; i < screen_desktop_names->len; ++i) g_free(g_ptr_array_index(screen_desktop_names, i)); g_ptr_array_set_size(screen_desktop_names, 0); PROP_GETSA(ob_root, net_desktop_names, utf8, screen_desktop_names); while (screen_desktop_names->len < screen_num_desktops) g_ptr_array_add(screen_desktop_names, g_strdup("Unnamed Desktop")); } void screen_show_desktop(gboolean show) { GSList *it; static Window saved_focus = 0; if (show == screen_showing_desktop) return; /* no change */ /* save the window focus, and restore it when leaving the show-desktop mode */ if (show && focus_client) saved_focus = focus_client->window; screen_showing_desktop = show; for (it = client_list; it; it = g_slist_next(it)) { Client *client = it->data; if (client->type == Type_Desktop) { if (show) client_focus(client); } else client_showhide(client); } if (!show) { Client *f = focus_client; if (!f || f->type == Type_Desktop) { Client *c = g_hash_table_lookup(client_map, (gpointer)saved_focus); if (c) client_focus(c); } } show = show ? 1 : 0; /* make it boolean */ PROP_SET32(ob_root, net_showing_desktop, cardinal, show); } void screen_install_colormap(Client *client, gboolean install) { if (client == NULL) { /* XXX DONT USE THE DEFAULT SHIT HERE */ if (install) XInstallColormap(ob_display, DefaultColormap(ob_display, ob_screen)); else XUninstallColormap(ob_display, DefaultColormap(ob_display, ob_screen)); } else { XWindowAttributes wa; if (XGetWindowAttributes(ob_display, client->window, &wa)) { if (install) XInstallColormap(ob_display, wa.colormap); else XUninstallColormap(ob_display, wa.colormap); } } } void screen_update_struts() { GSList *it; guint i; if (strut != NULL) g_free(strut); strut = g_new0(Strut, screen_num_desktops + 1); for (it = client_list; it; it = it->next) { Client *c = it->data; if (c->iconic) continue; /* these dont count in the strut */ if (c->desktop == 0xffffffff) { for (i = 0; i < screen_num_desktops; ++i) STRUT_ADD(strut[i], c->strut); } else { g_assert(c->desktop < screen_num_desktops); STRUT_ADD(strut[c->desktop], c->strut); } /* apply to the 'all desktops' strut */ STRUT_ADD(strut[screen_num_desktops], c->strut); } screen_update_area(); } static void screen_update_area() { guint i; gulong *dims; if (area != NULL) g_free(area); area = g_new0(Rect, screen_num_desktops + 1); dims = g_new(unsigned long, 4 * screen_num_desktops); for (i = 0; i < screen_num_desktops + 1; ++i) { Rect old_area = area[i]; /* #ifdef XINERAMA // reset to the full areas if (isXineramaActive()) xineramaUsableArea = getXineramaAreas(); #endif // XINERAMA */ RECT_SET(area[i], strut[i].left, strut[i].top, screen_physical_size.width - (strut[i].left + strut[i].right), screen_physical_size.height - (strut[i].top + strut[i].bottom)); /* #ifdef XINERAMA if (isXineramaActive()) { // keep each of the ximerama-defined areas inside the strut RectList::iterator xit, xend = xineramaUsableArea.end(); for (xit = xineramaUsableArea.begin(); xit != xend; ++xit) { if (xit->x() < usableArea.x()) { xit->setX(usableArea.x()); xit->setWidth(xit->width() - usableArea.x()); } if (xit->y() < usableArea.y()) { xit->setY(usableArea.y()); xit->setHeight(xit->height() - usableArea.y()); } if (xit->x() + xit->width() > usableArea.width()) xit->setWidth(usableArea.width() - xit->x()); if (xit->y() + xit->height() > usableArea.height()) xit->setHeight(usableArea.height() - xit->y()); } } #endif // XINERAMA */ if (!RECT_EQUAL(old_area, area[i])) { /* the area has changed, adjust all the maximized windows */ GSList *it; for (it = client_list; it; it = it->next) { Client *c = it->data; if (i < screen_num_desktops) { if (c->desktop == i) client_remaximize(c); } else { /* the 'all desktops' size */ if (c->desktop == DESKTOP_ALL) client_remaximize(c); } } } /* don't set these for the 'all desktops' area */ if (i < screen_num_desktops) { dims[(i * 4) + 0] = area[i].x; dims[(i * 4) + 1] = area[i].y; dims[(i * 4) + 2] = area[i].width; dims[(i * 4) + 3] = area[i].height; } } PROP_SET32A(ob_root, net_workarea, cardinal, dims, 4 * screen_num_desktops); g_free(dims); } Rect *screen_area(guint desktop) { if (desktop >= screen_num_desktops) { if (desktop == DESKTOP_ALL) return &area[screen_num_desktops]; return NULL; } return &area[desktop]; } Strut *screen_strut(guint desktop) { if (desktop >= screen_num_desktops) { if (desktop == DESKTOP_ALL) return &strut[screen_num_desktops]; return NULL; } return &strut[desktop]; } |