// Ewmh.cc for fluxbox // Copyright (c) 2002-2003 Henrik Kinnunen (fluxgen at user.sourceforge.net) // // Permission is hereby granted, free of charge, to any person obtaining a // copy of this software and associated documentation files (the "Software"), // to deal in the Software without restriction, including without limitation // the rights to use, copy, modify, merge, publish, distribute, sublicense, // and/or sell copies of the Software, and to permit persons to whom the // Software is furnished to do so, subject to the following conditions: // // The above copyright notice and this permission notice shall be included in // all copies or substantial portions of the Software. // // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL // THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING // FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER // DEALINGS IN THE SOFTWARE. // $Id: Ewmh.cc,v 1.34 2003/12/12 15:19:22 fluxgen Exp $ #include "Ewmh.hh" #include "Screen.hh" #include "Window.hh" #include "WinClient.hh" #include "Workspace.hh" #include <iostream> #include <algorithm> #include <new> using namespace std; Ewmh::Ewmh() { createAtoms(); enableUpdate(); } Ewmh::~Ewmh() { while (!m_windows.empty()) { XDestroyWindow(FbTk::App::instance()->display(), m_windows.back()); m_windows.pop_back(); } } void Ewmh::initForScreen(BScreen &screen) { Display *disp = FbTk::App::instance()->display(); Window wincheck = XCreateSimpleWindow(disp, screen.rootWindow().window(), 0, 0, 5, 5, 0, 0, 0); if (wincheck != None) { // store the window so we can delete it later m_windows.push_back(wincheck); screen.rootWindow().changeProperty(m_net_supporting_wm_check, XA_WINDOW, 32, PropModeReplace, (unsigned char *) &wincheck, 1); XChangeProperty(disp, wincheck, m_net_supporting_wm_check, XA_WINDOW, 32, PropModeReplace, (unsigned char *) &wincheck, 1); XChangeProperty(disp, wincheck, m_net_wm_name, XA_STRING, 8, PropModeReplace, (unsigned char *) "Fluxbox", strlen("Fluxbox")); } //set supported atoms Atom atomsupported[] = { // window properties m_net_wm_strut, m_net_wm_state, // states that we support: m_net_wm_state_sticky, m_net_wm_state_shaded, m_net_wm_state_maximized_horz, m_net_wm_state_maximized_vert, m_net_wm_state_fullscreen, m_net_wm_desktop, // root properties m_net_client_list, m_net_number_of_desktops, m_net_current_desktop, m_net_active_window, m_net_close_window, m_net_moveresize_window, m_net_desktop_names, m_net_supporting_wm_check }; screen.rootWindow().changeProperty(m_net_supported, XA_ATOM, 32, PropModeReplace, (unsigned char *) &atomsupported, (sizeof atomsupported)/sizeof atomsupported[0]); } void Ewmh::setupClient(WinClient &winclient) { updateStrut(winclient); } void Ewmh::setupFrame(FluxboxWindow &win) { Atom ret_type; int fmt; unsigned long nitems, bytes_after; long *data = 0; /* if (XGetWindowProperty(disp, win.clientWindow(), m_net_wm_state, 0, 1, False, XA_CARDINAL, &ret_type, &fmt, &nitems, &bytes_after, (unsigned char **) &data) == Success && data) { flags = *data; setState(win, flags); XFree(data); } */ if (win.winClient().property(m_net_wm_desktop, 0, 1, False, XA_CARDINAL, &ret_type, &fmt, &nitems, &bytes_after, (unsigned char **) &data) && data) { unsigned int desktop = static_cast<unsigned int>(*data); if (desktop == 0xFFFFFFFF && !win.isStuck()) win.stick(); else win.screen().sendToWorkspace(desktop, &win, false); XFree(data); } } void Ewmh::updateFrameClose(FluxboxWindow &win) { clearState(win); } void Ewmh::updateClientList(BScreen &screen) { size_t num=0; BScreen::Workspaces::const_iterator workspace_it = screen.getWorkspacesList().begin(); BScreen::Workspaces::const_iterator workspace_it_end = screen.getWorkspacesList().end(); for (; workspace_it != workspace_it_end; ++workspace_it) { Workspace::Windows::iterator win_it = (*workspace_it)->windowList().begin(); Workspace::Windows::iterator win_it_end = (*workspace_it)->windowList().end(); for (; win_it != win_it_end; ++win_it) { num += (*win_it)->numClients(); } } // and count icons BScreen::Icons::const_iterator icon_it = screen.getIconList().begin(); BScreen::Icons::const_iterator icon_it_end = screen.getIconList().end(); for (; icon_it != icon_it_end; ++icon_it) { num += (*icon_it)->numClients(); } Window *wl = new (nothrow) Window[num]; if (wl == 0) { cerr<<"Fatal: Out of memory, can't allocate for Ewmh client list"<<endl; return; } //start the iterator from begining workspace_it = screen.getWorkspacesList().begin(); int win=0; for (; workspace_it != workspace_it_end; ++workspace_it) { // Fill in array of window ID's Workspace::Windows::const_iterator it = (*workspace_it)->windowList().begin(); Workspace::Windows::const_iterator it_end = (*workspace_it)->windowList().end(); for (; it != it_end; ++it) { if ((*it)->numClients() == 1) wl[win++] = (*it)->clientWindow(); else { // add every client in fluxboxwindow to list window list std::list<WinClient *>::iterator client_it = (*it)->clientList().begin(); std::list<WinClient *>::iterator client_it_end = (*it)->clientList().end(); for (; client_it != client_it_end; ++client_it) wl[win++] = (*client_it)->window(); } } } // plus iconified windows icon_it = screen.getIconList().begin(); for (; icon_it != icon_it_end; ++icon_it) { FluxboxWindow::ClientList::iterator client_it = (*icon_it)->clientList().begin(); FluxboxWindow::ClientList::iterator client_it_end = (*icon_it)->clientList().end(); for (; client_it != client_it_end; ++client_it) wl[win++] = (*client_it)->window(); } //number of windows to show in client list num = win; screen.rootWindow().changeProperty(m_net_client_list, XA_CARDINAL, 32, PropModeReplace, (unsigned char *)wl, num); delete [] wl; } void Ewmh::updateWorkspaceNames(BScreen &screen) { XTextProperty text; const BScreen::WorkspaceNames &workspacenames = screen.getWorkspaceNames(); const size_t number_of_desks = workspacenames.size(); char *names[number_of_desks]; for (size_t i = 0; i < number_of_desks; i++) { names[i] = new char[workspacenames[i].size() + 1]; // +1 for \0 memset(names[i], 0, workspacenames[i].size()); strcpy(names[i], workspacenames[i].c_str()); } if (XStringListToTextProperty(names, number_of_desks, &text)) { XSetTextProperty(FbTk::App::instance()->display(), screen.rootWindow().window(), &text, m_net_desktop_names); XFree(text.value); } for (size_t i = 0; i < number_of_desks; i++) delete [] names[i]; } void Ewmh::updateCurrentWorkspace(BScreen &screen) { size_t workspace = screen.currentWorkspaceID(); screen.rootWindow().changeProperty(m_net_current_desktop, XA_CARDINAL, 32, PropModeReplace, (unsigned char *)&workspace, 1); } void Ewmh::updateWorkspaceCount(BScreen &screen) { size_t numworkspaces = screen.getCount(); screen.rootWindow().changeProperty(m_net_number_of_desktops, XA_CARDINAL, 32, PropModeReplace, (unsigned char *)&numworkspaces, 1); } void Ewmh::updateState(FluxboxWindow &win) { //!! TODO } void Ewmh::updateLayer(FluxboxWindow &win) { //!! TODO _NET_WM_WINDOW_TYPE } void Ewmh::updateHints(FluxboxWindow &win) { } void Ewmh::updateWorkspace(FluxboxWindow &win) { int workspace = win.workspaceNumber(); if (win.isStuck()) workspace = 0xFFFFFFFF; // appear on all desktops/workspaces FluxboxWindow::ClientList::iterator it = win.clientList().begin(); FluxboxWindow::ClientList::iterator it_end = win.clientList().end(); for (; it != it_end; ++it) { (*it)->changeProperty(m_net_wm_desktop, XA_CARDINAL, 32, PropModeReplace, (unsigned char *)&workspace, 1); } } // return true if we did handle the atom here bool Ewmh::checkClientMessage(const XClientMessageEvent &ce, BScreen * screen, WinClient * const winclient) { if (ce.message_type == m_net_wm_desktop) { if (screen == 0) return true; // ce.data.l[0] = workspace number // valid window and workspace number? if (winclient == 0 || winclient->fbwindow() == 0 || static_cast<unsigned int>(ce.data.l[0]) >= screen->getCount()) return true; screen->sendToWorkspace(ce.data.l[0], winclient->fbwindow(), false); return true; } else if (ce.message_type == m_net_wm_state) { if (winclient == 0 || winclient->fbwindow() == 0) return true; FluxboxWindow &win = *winclient->fbwindow(); // ce.data.l[0] = the action (remove, add or toggle) // ce.data.l[1] = the first property to alter // ce.data.l[2] = second property to alter (can be zero) if (ce.data.l[0] == STATE_REMOVE) { setState(win, ce.data.l[1], false); setState(win, ce.data.l[2], false); } else if (ce.data.l[0] == STATE_ADD) { setState(win, ce.data.l[1], true); setState(win, ce.data.l[2], true); } else if (ce.data.l[0] == STATE_TOGGLE) { toggleState(win, ce.data.l[1]); toggleState(win, ce.data.l[2]); } return true; } else if (ce.message_type == m_net_number_of_desktops) { if (screen == 0) return true; // ce.data.l[0] = number of workspaces // no need to alter number of desktops if they are the same // or if requested number of workspace is less than zero if (screen->getCount() == static_cast<unsigned int>(ce.data.l[0]) || ce.data.l[0] < 0) return true; if (screen->getCount() > static_cast<unsigned int>(ce.data.l[0])) { // remove last workspace until we have // the same number of workspaces while (screen->getCount() != static_cast<unsigned int>(ce.data.l[0])) { screen->removeLastWorkspace(); if (screen->getCount() == 1) // must have at least one workspace break; } } else { // add workspaces to screen until workspace count match the requested size while (screen->getCount() != static_cast<unsigned int>(ce.data.l[0])) { screen->addWorkspace(); } } return true; } else if (ce.message_type == m_net_current_desktop) { if (screen == 0) return true; // ce.data.l[0] = workspace number // prevent out of range value if (static_cast<unsigned int>(ce.data.l[0]) >= screen->getCount()) return true; screen->changeWorkspaceID(ce.data.l[0]); return true; } else if (ce.message_type == m_net_active_window) { // make sure we have a valid window if (winclient == 0) return true; // ce.window = window to focus winclient->focus(); return true; } else if (ce.message_type == m_net_close_window) { if (winclient == 0) return true; // ce.window = window to close (which in this case is the win argument) winclient->sendClose(); return true; } else if (ce.message_type == m_net_moveresize_window) { if (winclient == 0 && winclient->fbwindow()) return true; // ce.data.l[0] = gravity and flags // ce.data.l[1] = x // ce.data.l[2] = y // ce.data.l[3] = width // ce.data.l[4] = height // TODO: gravity and flags winclient->fbwindow()->moveResize(ce.data.l[1], ce.data.l[2], ce.data.l[3], ce.data.l[4]); return true; } // we didn't handle the ce.message_type here return false; } bool Ewmh::propertyNotify(WinClient &winclient, Atom the_property) { if (the_property == m_net_wm_strut) { updateStrut(winclient); return true; } return false; } void Ewmh::createAtoms() { Display *disp = FbTk::App::instance()->display(); m_net_supported = XInternAtom(disp, "_NET_SUPPORTED", False); m_net_client_list = XInternAtom(disp, "_NET_CLIENT_LIST", False); m_net_client_list_stacking = XInternAtom(disp, "_NET_CLIENT_LIST_STACKING", False); m_net_number_of_desktops = XInternAtom(disp, "_NET_NUMBER_OF_DESKTOPS", False); m_net_desktop_geometry = XInternAtom(disp, "_NET_DESKTOP_GEOMETRY", False); m_net_desktop_viewport = XInternAtom(disp, "_NET_DESKTOP_VIEWPORT", False); m_net_current_desktop = XInternAtom(disp, "_NET_CURRENT_DESKTOP", False); m_net_desktop_names = XInternAtom(disp, "_NET_DESKTOP_NAMES", False); m_net_active_window = XInternAtom(disp, "_NET_ACTIVE_WINDOW", False); m_net_workarea = XInternAtom(disp, "_NET_WORKAREA", False); m_net_supporting_wm_check = XInternAtom(disp, "_NET_SUPPORTING_WM_CHECK", False); m_net_virtual_roots = XInternAtom(disp, "_NET_VIRTUAL_ROOTS", False); m_net_close_window = XInternAtom(disp, "_NET_CLOSE_WINDOW", False); m_net_moveresize_window = XInternAtom(disp, "_NET_MOVERESIZE_WINDOW", False); // TODO: implement this one m_net_wm_moveresize = XInternAtom(disp, "_NET_WM_MOVERESIZE", False); m_net_properties = XInternAtom(disp, "_NET_PROPERTIES", False); m_net_wm_name = XInternAtom(disp, "_NET_WM_NAME", False); m_net_wm_desktop = XInternAtom(disp, "_NET_WM_DESKTOP", False); m_net_wm_window_type = XInternAtom(disp, "_NET_WM_WINDOW_TYPE", False); // state atom and the supported state atoms m_net_wm_state = XInternAtom(disp, "_NET_WM_STATE", False); m_net_wm_state_sticky = XInternAtom(disp, "_NET_WM_STATE_STICKY", False); m_net_wm_state_shaded = XInternAtom(disp, "_NET_WM_STATE_SHADED", False); m_net_wm_state_maximized_horz = XInternAtom(disp, "_NET_WM_STATE_MAXIMIZED_HORZ", False); m_net_wm_state_maximized_vert = XInternAtom(disp, "_NET_WM_STATE_MAXIMIZED_VERT", False); m_net_wm_state_fullscreen = XInternAtom(disp, "_NET_WM_STATE_FULLSCREEN", False); m_net_wm_strut = XInternAtom(disp, "_NET_WM_STRUT", False); m_net_wm_icon_geometry = XInternAtom(disp, "_NET_WM_ICON_GEOMETRY", False); m_net_wm_icon = XInternAtom(disp, "_NET_WM_ICON", False); m_net_wm_pid = XInternAtom(disp, "_NET_WM_PID", False); m_net_wm_handled_icons = XInternAtom(disp, "_NET_WM_HANDLED_ICONS", False); m_net_wm_ping = XInternAtom(disp, "_NET_WM_PING", False); } void Ewmh::setFullscreen(FluxboxWindow &win, bool value) { // fullscreen implies maximised, above dock layer, // and no decorations (or decorations offscreen) WindowState *saved_state = getState(win); if (value) { // fullscreen on if (!saved_state) { // not already fullscreen saved_state = new WindowState(win.x(), win.y(), win.width(), win.height(), win.layerNum(), win.decorationMask()); saveState(win, saved_state); // actually make it fullscreen // clear decorations win.setDecorationMask(0); // be xinerama aware BScreen &screen = win.screen(); int head = screen.getHead(win.fbWindow()); win.moveResize(screen.getHeadX(head), screen.getHeadY(head), screen.getHeadWidth(head), screen.getHeadHeight(head)); win.moveToLayer(Fluxbox::instance()->getAboveDockLayer()); } } else { // turn off fullscreen if (saved_state) { // no saved state, can't restore it win.setDecorationMask(saved_state->decor); win.moveResize(saved_state->x, saved_state->y, saved_state->width, saved_state->height); win.moveToLayer(saved_state->layer); clearState(win); saved_state = 0; } } } // set window state void Ewmh::setState(FluxboxWindow &win, Atom state, bool value) { if (state == m_net_wm_state_sticky) { // STICKY if (value && !win.isStuck() || (!value && win.isStuck())) win.stick(); } else if (state == m_net_wm_state_shaded) { // SHADED if ((value && !win.isShaded()) || (!value && win.isShaded())) win.shade(); } else if (state == m_net_wm_state_maximized_horz ) { // maximized Horizontal if ((value && !win.isMaximized()) || (!value && win.isMaximized())) win.maximizeHorizontal(); } else if (state == m_net_wm_state_maximized_vert) { // maximized Vertical if ((value && !win.isMaximized()) || (!value && win.isMaximized())) win.maximizeVertical(); } else if (state == m_net_wm_state_fullscreen) { // fullscreen setFullscreen(win, value); } } // toggle window state void Ewmh::toggleState(FluxboxWindow &win, Atom state) { if (state == m_net_wm_state_sticky) { win.stick(); } else if (state == m_net_wm_state_shaded){ win.shade(); } else if (state == m_net_wm_state_maximized_horz ) { // maximized Horizontal win.maximizeHorizontal(); } else if (state == m_net_wm_state_maximized_vert) { // maximized Vertical win.maximizeVertical(); } else if (state == m_net_wm_state_fullscreen) { // fullscreen setFullscreen(win, getState(win) == 0); // toggle current state } } void Ewmh::updateStrut(WinClient &winclient) { Atom ret_type = 0; int fmt = 0; unsigned long nitems = 0, bytes_after = 0; long *data = 0; if (winclient.property(m_net_wm_strut, 0, 4, False, XA_CARDINAL, &ret_type, &fmt, &nitems, &bytes_after, (unsigned char **) &data) && data) { #ifdef DEBUG cerr<<__FILE__<<"("<<__FUNCTION__<<"): Strut: "<<data[0]<<", "<<data[1]<<", "<< data[2]<<", "<<data[3]<<endl; #endif // DEBUG winclient.setStrut( winclient.screen().requestStrut(data[0], data[1], data[2], data[3])); winclient.screen().updateAvailableWorkspaceArea(); } } Ewmh::WindowState::WindowState(int t_x, int t_y, unsigned int t_width, unsigned int t_height, int t_layer, unsigned int t_decor) : x(t_x), y(t_y), layer(t_layer), width(t_width), height(t_height), decor(t_decor) {} Ewmh::WindowState *Ewmh::getState(FluxboxWindow &win) { SavedState::iterator it = m_savedstate.find(&win); if (it == m_savedstate.end()) return 0; else return it->second; } void Ewmh::clearState(FluxboxWindow &win) { WindowState *state = 0; SavedState::iterator it = m_savedstate.find(&win); if (it == m_savedstate.end()) return; state = it->second; m_savedstate.erase(it); delete state; } void Ewmh::saveState(FluxboxWindow &win, WindowState *state) { m_savedstate[&win] = state; }