--- /dev/null
+#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];
+}
projects / chaz / openbox / blobdiff