src/screen.cc (raw)
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// -*- mode: C++; indent-tabs-mode: nil; c-basic-offset: 2; -*- #ifdef HAVE_CONFIG_H # include "../config.h" #endif extern "C" { #include "gettext.h" #define _(str) gettext(str) } #include "screen.hh" #include "client.hh" #include "openbox.hh" #include "otk/display.hh" static bool running; static int anotherWMRunning(Display *display, XErrorEvent *) { printf(_("Another window manager already running on display %s.\n"), DisplayString(display)); running = true; return -1; } namespace ob { OBScreen::OBScreen(int screen) : _number(screen) { assert(screen >= 0); assert(screen < ScreenCount(otk::OBDisplay::display)); _info = otk::OBDisplay::screenInfo(screen); ::running = false; XErrorHandler old = XSetErrorHandler(::anotherWMRunning); XSelectInput(otk::OBDisplay::display, _info->getRootWindow(), OBScreen::event_mask); XSync(otk::OBDisplay::display, false); XSetErrorHandler(old); _managed = !::running; if (! _managed) return; // was unable to manage the screen printf(_("Managing screen %d: visual 0x%lx, depth %d\n"), _number, XVisualIDFromVisual(_info->getVisual()), _info->getDepth()); #ifdef HAVE_GETPID Openbox::instance->property()->set(_info->getRootWindow(), otk::OBProperty::openbox_pid, otk::OBProperty::Atom_Cardinal, (unsigned long) getpid()); #endif // HAVE_GETPID // set the mouse cursor for the root window (the default cursor) XDefineCursor(otk::OBDisplay::display, _info->getRootWindow(), Openbox::instance->cursors().session); _image_control = new otk::BImageControl(Openbox::instance->timerManager(), _info, true); _image_control->installRootColormap(); _root_cmap_installed = True; // Set the netwm atoms for geomtery and viewport unsigned long geometry[] = { _size.x(), _size.y() }; Openbox::instance->property()->set(_info->getRootWindow(), otk::OBProperty::net_desktop_geometry, otk::OBProperty::Atom_Cardinal, geometry, 2); unsigned long viewport[] = { 0, 0 }; Openbox::instance->property()->set(_info->getRootWindow(), otk::OBProperty::net_desktop_viewport, otk::OBProperty::Atom_Cardinal, viewport, 2); // these may be further updated if any pre-existing windows are found in // the manageExising() function setClientList(); // initialize the client lists, which will be empty calcArea(); // initialize the available working area manageExisting(); // XXX: "change to" the first workspace to initialize stuff } OBScreen::~OBScreen() { if (! _managed) return; delete _image_control; } void OBScreen::manageExisting() { unsigned int i, j, nchild; Window r, p, *children; XQueryTree(otk::OBDisplay::display, _info->getRootWindow(), &r, &p, &children, &nchild); // preen the window list of all icon windows... for better dockapp support for (i = 0; i < nchild; i++) { if (children[i] == None) continue; XWMHints *wmhints = XGetWMHints(otk::OBDisplay::display, children[i]); if (wmhints) { if ((wmhints->flags & IconWindowHint) && (wmhints->icon_window != children[i])) { for (j = 0; j < nchild; j++) { if (children[j] == wmhints->icon_window) { children[j] = None; break; } } } XFree(wmhints); } } // manage shown windows for (i = 0; i < nchild; ++i) { if (children[i] == None) continue; XWindowAttributes attrib; if (XGetWindowAttributes(otk::OBDisplay::display, children[i], &attrib)) { if (attrib.override_redirect) continue; if (attrib.map_state != IsUnmapped) { // XXX: manageWindow(children[i]); } } } XFree(children); } //! Adds a window's strut to the screen's list of reserved spaces void OBScreen::addStrut(otk::Strut *strut) { _struts.push_back(strut); } //! Removes a window's strut from the screen's list of reserved spaces void OBScreen::removeStrut(otk::Strut *strut) { _struts.remove(strut); } void OBScreen::calcArea() { otk::Rect old_area = _area; /* #ifdef XINERAMA // reset to the full areas if (isXineramaActive()) xineramaUsableArea = getXineramaAreas(); #endif // XINERAMA */ /* these values represent offsets from the screen edge * we look for the biggest offset on each edge and then apply them * all at once * do not be confused by the similarity to the names of Rect's members */ unsigned int current_left = 0, current_right = 0, current_top = 0, current_bottom = 0; StrutList::const_iterator it = _struts.begin(), end = _struts.end(); for(; it != end; ++it) { otk::Strut *strut = *it; if (strut->left > current_left) current_left = strut->left; if (strut->top > current_top) current_top = strut->top; if (strut->right > current_right) current_right = strut->right; if (strut->bottom > current_bottom) current_bottom = strut->bottom; } _area.setRect(current_left, current_top, _info->getWidth() - (current_left + current_right), _info->getHeight() - (current_top + current_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 (old_area != _area) // XXX: re-maximize windows setWorkArea(); } void OBScreen::setClientList() { Window *windows; // create an array of the window ids if (_clients.size() > 0) { Window *win_it; windows = new Window[_clients.size()]; win_it = windows; ClientList::const_iterator it = _clients.begin(); const ClientList::const_iterator end = _clients.end(); for (; it != end; ++it, ++win_it) *win_it = (*it)->window(); } else windows = (Window*) 0; Openbox::instance->property()->set(_info->getRootWindow(), otk::OBProperty::net_client_list, otk::OBProperty::Atom_Window, windows, _clients.size()); if (_clients.size()) delete [] windows; setStackingList(); } void OBScreen::setStackingList() { // The below comment is wrong now hopefully :> but ill keep it here for // reference anyways /* Get the stacking order from all of the workspaces. We start with the current workspace so that the sticky windows will be in the right order on the current workspace. */ /* Openbox::instance->property()->set(_info->getRootWindow(), otk::OBProperty::net_client_list_stacking, otk::OBProperty::Atom_Window, _stacking, _stacking.size()); */ } void OBScreen::setWorkArea() { unsigned long area[] = { _area.x(), _area.y(), _area.width(), _area.height() }; Openbox::instance->property()->set(_info->getRootWindow(), otk::OBProperty::net_workarea, otk::OBProperty::Atom_Cardinal, area, 4); /* if (workspacesList.size() > 0) { unsigned long *dims = new unsigned long[4 * workspacesList.size()]; for (unsigned int i = 0, m = workspacesList.size(); i < m; ++i) { // XXX: this could be different for each workspace const otk::Rect &area = availableArea(); dims[(i * 4) + 0] = area.x(); dims[(i * 4) + 1] = area.y(); dims[(i * 4) + 2] = area.width(); dims[(i * 4) + 3] = area.height(); } xatom->set(getRootWindow(), otk::OBProperty::net_workarea, otk::OBProperty::Atom_Cardinal, dims, 4 * workspacesList.size()); delete [] dims; } else xatom->set(getRootWindow(), otk::OBProperty::net_workarea, otk::OBProperty::Atom_Cardinal, 0, 0); */ } } |