ede/pekwm/WindowManager.cc

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//
// WindowManager.cc for pekwm
// Copyright © 2002-2009 Claes Nästén <me{@}pekdon{.}net>
//
// windowmanager.cc for aewm++
// Copyright (C) 2000 Frank Hale <frankhale@yahoo.com>
// http://sapphire.sourceforge.net/
//
// This program is licensed under the GNU GPL.
// See the LICENSE file for more information.
//
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif // HAVE_CONFIG_H
#include "PWinObj.hh"
#include "PDecor.hh"
#include "Frame.hh"
#include "Client.hh"
#include "WindowManager.hh"
#include "PScreen.hh"
#include "ScreenResources.hh"
#include "ActionHandler.hh"
#include "AutoProperties.hh"
#include "Config.hh"
#include "Theme.hh"
#include "PFont.hh"
#include "PTexture.hh"
#include "ColorHandler.hh"
#include "FontHandler.hh"
#include "PixmapHandler.hh"
#include "TextureHandler.hh"
#include "Workspaces.hh"
#include "Util.hh"
#include "RegexString.hh"
#include "KeyGrabber.hh"
#include "MenuHandler.hh"
#include "Harbour.hh"
#include "HarbourMenu.hh"
#include "DockApp.hh"
#include "CmdDialog.hh"
#include "SearchDialog.hh"
#include "StatusWindow.hh"
#include "WorkspaceIndicator.hh"
#include <iostream>
#include <list>
#include <algorithm>
#include <functional>
#include <memory>
#include <cassert>
extern "C" {
#include <signal.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <sys/wait.h>
#include <unistd.h>
#include <X11/Xatom.h>
#include <X11/keysym.h>
#ifdef HAVE_XRANDR
#include <X11/extensions/Xrandr.h>
#endif // HAVE_XRANDR
}
using std::cout;
using std::cerr;
using std::endl;
using std::find;
using std::list;
using std::map;
using std::mem_fun;
using std::string;
using std::vector;
using std::wstring;
// Static initializers
WindowManager *WindowManager::_instance = 0;
extern "C" {
static bool is_signal_hup = false;
static bool is_signal_int_term = false;
static bool is_signal_alrm = false;
/**
* Signal handler setting signal flags.
*/
static void
sigHandler(int signal)
{
switch (signal) {
case SIGHUP:
is_signal_hup = true;
break;
case SIGINT:
case SIGTERM:
is_signal_int_term = true;
break;
case SIGCHLD:
wait(0);
break;
case SIGALRM:
// Do nothing, just used to break out of waiting
is_signal_alrm = true;
break;
}
}
} // extern "C"
// WindowManager
/**
* Create window manager instance and run main routine.
*/
WindowManager*
WindowManager::start(const std::string &command_line,
const std::string &config_file, bool replace)
{
if (_instance) {
delete _instance;
}
// Setup window manager
_instance = new WindowManager(command_line, config_file);
if (_instance->setupDisplay(replace)) {
_instance->scanWindows();
Frame::resetFrameIDs();
static_cast<RootWO*>(PWinObj::getRootPWinObj())->setEwmhDesktopNames();
// add all frames to the MRU list
_instance->_mru_list.resize(Frame::frame_size());
copy(Frame::frame_begin(), Frame::frame_end (),
_instance->_mru_list.begin());
_instance->execStartFile();
} else {
delete _instance;
_instance = 0;
}
return _instance;
}
/**
* Destroy current running window manager.
*/
void
WindowManager::destroy(void)
{
delete _instance;
_instance = 0;
}
//! @brief Constructor for WindowManager class
WindowManager::WindowManager(const std::string &command_line,
const std::string &config_file)
:
_screen(0), _screen_resources(0),
_keygrabber(0),
_config(0), _color_handler(0),
_font_handler(0), _texture_handler(0),
_theme(0), _action_handler(0),
_autoproperties(0), _workspaces(0),
_harbour(0),
_cmd_dialog(0), _search_dialog(0),
_status_window(0), _workspace_indicator(0),
_command_line(command_line),
_startup(false), _shutdown(false), _reload(false),
_allow_grouping(true), _hint_wo(0), _root_wo(0)
{
struct sigaction act;
// Set up the signal handlers.
act.sa_handler = sigHandler;
act.sa_mask = sigset_t();
act.sa_flags = SA_NOCLDSTOP | SA_NODEFER;
sigaction(SIGTERM, &act, 0);
sigaction(SIGINT, &act, 0);
sigaction(SIGHUP, &act, 0);
sigaction(SIGCHLD, &act, 0);
sigaction(SIGALRM, &act, 0);
// construct
_config = new Config();
_config->load(config_file);
_config->loadMouseConfig(_config->getMouseConfigFile());
}
//! @brief WindowManager destructor
WindowManager::~WindowManager(void)
{
cleanup();
delete _cmd_dialog;
delete _search_dialog;
delete _status_window;
delete _workspace_indicator;
MenuHandler::destroy();
delete _harbour;
delete _root_wo;
delete _hint_wo;
delete _action_handler;
delete _autoproperties;
delete _keygrabber;
delete _workspaces;
delete _config;
delete _theme;
delete _color_handler;
delete _font_handler;
delete _texture_handler;
delete _screen_resources;
if (_screen) {
Display *dpy = _screen->getDpy();
delete _screen;
XCloseDisplay(dpy);
}
}
//! @brief Checks if the start file is executable then execs it.
void
WindowManager::execStartFile(void)
{
string start_file(_config->getStartFile());
bool exec = Util::isExecutable(start_file);
if (! exec) {
start_file = SYSCONFDIR "/start";
exec = Util::isExecutable(start_file);
}
if (exec) {
Util::forkExec(start_file);
}
}
//! @brief Cleans up, Maps windows etc.
void
WindowManager::cleanup(void)
{
// update all nonactive clients properties
list<Frame*>::iterator it_f(Frame::frame_begin());
for (; it_f != Frame::frame_end(); ++it_f) {
(*it_f)->updateInactiveChildInfo();
}
_harbour->removeAllDockApps();
// To preserve stacking order when destroying the frames, we go through
// the PWinObj list from the Workspaces and put all Frames into our own
// list, then we delete the frames in order.
if (_workspaces) {
list<Frame*> frame_list;
list<PWinObj*>::iterator it_w(_workspaces->begin());
for (; it_w != _workspaces->end(); ++it_w) {
if ((*it_w)->getType() == PWinObj::WO_FRAME) {
frame_list.push_back(static_cast<Frame*>(*it_w));
}
}
// Delete all Frames. This reparents the Clients.
for (it_f = frame_list.begin(); it_f != frame_list.end(); ++it_f) {
delete *it_f;
}
}
// Delete all Clients.
list<Client*> client_list(Client::client_begin(), Client::client_end());
list<Client*>::iterator it_c(client_list.begin());
for (; it_c != client_list.end(); ++it_c) {
delete *it_c;
}
if (_keygrabber) {
_keygrabber->ungrabKeys(_screen->getRoot());
}
// destroy screen edge
screenEdgeDestroy();
XInstallColormap(_screen->getDpy(), _screen->getColormap());
XSetInputFocus(_screen->getDpy(), PointerRoot, RevertToPointerRoot, CurrentTime);
}
/**
* Setup display and claim resources.
*/
bool
WindowManager::setupDisplay(bool replace)
{
Display *dpy = XOpenDisplay(0);
if (! dpy) {
cerr << "Can not open display!" << endl
<< "Your DISPLAY variable currently is set to: "
<< getenv("DISPLAY") << endl;
exit(1);
}
// Setup screen, init atoms and claim the display.
_screen = new PScreen(dpy, _config->isHonourRandr());
PWinObj::setDisplay(dpy);
Atoms::init();
try {
// Create hint window _before_ root window.
_hint_wo = new HintWO(_screen->getRoot(), replace);
} catch (string &ex) {
return false;
}
// Create root PWinObj
_root_wo = new RootWO(_screen->getRoot());
PWinObj::setRootPWinObj(_root_wo);
_color_handler = new ColorHandler(dpy);
_font_handler = new FontHandler();
_texture_handler = new TextureHandler();
_action_handler = new ActionHandler();
// Setup the font trimming
PFont::setTrimString(_config->getTrimTitle());
// load colors, fonts
_screen_resources = new ScreenResources();
_theme = new Theme(_screen);
_autoproperties = new AutoProperties();
_autoproperties->load();
_workspaces = new Workspaces(_config->getWorkspaces(), _config->getWorkspacesPerRow());
_harbour = new Harbour(_screen, _theme, _workspaces);
MenuHandler::init(_theme);
_cmd_dialog = new CmdDialog(_theme);
_search_dialog = new SearchDialog(_theme);
_status_window = new StatusWindow(_theme);
_workspace_indicator = new WorkspaceIndicator(_theme, _timer_action);
XDefineCursor(dpy, _screen->getRoot(),
_screen_resources->getCursor(ScreenResources::CURSOR_ARROW));
#ifdef HAVE_XRANDR
XRRSelectInput(dpy, _screen->getRoot(), RRScreenChangeNotifyMask|RRCrtcChangeNotifyMask);
#endif // HAVE_XRANDR
_keygrabber = new KeyGrabber(_screen);
_keygrabber->load(_config->getKeyFile());
_keygrabber->grabKeys(_screen->getRoot());
// Create screen edge windows
screenEdgeCreate();
screenEdgeMapUnmap();
return true;
}
//! @brief Goes through the window and creates Clients/DockApps.
void
WindowManager::scanWindows(void)
{
if (_startup) { // only done once when we start
return;
}
uint num_wins;
Window d_win1, d_win2, *wins;
XWindowAttributes attr;
// Lets create a list of windows on the display
XQueryTree(_screen->getDpy(), _screen->getRoot(),
&d_win1, &d_win2, &wins, &num_wins);
list<Window> win_list(wins, wins + num_wins);
XFree(wins);
list<Window>::iterator it(win_list.begin());
// We filter out all windows with the the IconWindowHint
// set not pointing to themselves, making DockApps
// work as they are supposed to.
for (; it != win_list.end(); ++it) {
if (*it == None) {
continue;
}
XWMHints *wm_hints = XGetWMHints(_screen->getDpy(), *it);
if (wm_hints) {
if ((wm_hints->flags&IconWindowHint) &&
(wm_hints->icon_window != *it)) {
list<Window>::iterator i_it(find(win_list.begin(), win_list.end(), wm_hints->icon_window));
if (i_it != win_list.end())
*i_it = None;
}
XFree(wm_hints);
}
}
Client *client;
for (it = win_list.begin(); it != win_list.end(); ++it) {
if (*it == None) {
continue;
}
XGetWindowAttributes(_screen->getDpy(), *it, &attr);
if (! attr.override_redirect && attr.map_state != IsUnmapped) {
XWMHints *wm_hints = XGetWMHints(_screen->getDpy(), *it);
if (wm_hints) {
if ((wm_hints->flags&StateHint) &&
(wm_hints->initial_state == WithdrawnState)) {
_harbour->addDockApp(new DockApp(_screen, _theme, *it));
} else {
client = new Client(*it);
if (! client->isAlive()) {
delete client;
}
}
XFree(wm_hints);
} else {
client = new Client(*it);
if (! client->isAlive())
delete client;
}
}
}
// Try to focus the ontop window, if no window we give root focus
PWinObj *wo = _workspaces->getTopWO(PWinObj::WO_FRAME);
if (wo && wo->isMapped()) {
wo->giveInputFocus();
} else {
_root_wo->giveInputFocus();
}
// Try to find transients for all clients, on restarts ordering might
// not be correct.
list<Client*>::iterator it_client = Client::client_begin();
for (; it_client != Client::client_end(); ++it_client) {
if ((*it_client)->isTransient() && ! (*it_client)->getTransientClient()) {
(*it_client)->findAndRaiseIfTransient();
}
}
// We won't be needing these anymore until next restart
_autoproperties->removeApplyOnStart();
_startup = true;
}
//! @brief Creates and places screen edge
void
WindowManager::screenEdgeCreate(void)
{
if (_screen_edge_list.size() != 0) {
return;
}
bool indent = Config::instance()->getScreenEdgeIndent();
_screen_edge_list.push_back(new EdgeWO(_screen->getRoot(), SCREEN_EDGE_LEFT,
indent && (_config->getScreenEdgeSize(SCREEN_EDGE_LEFT) > 0)));
_screen_edge_list.push_back(new EdgeWO(_screen->getRoot(), SCREEN_EDGE_RIGHT,
indent && (_config->getScreenEdgeSize(SCREEN_EDGE_RIGHT) > 0)));
_screen_edge_list.push_back(new EdgeWO(_screen->getRoot(), SCREEN_EDGE_TOP,
indent && (_config->getScreenEdgeSize(SCREEN_EDGE_TOP) > 0)));
_screen_edge_list.push_back(new EdgeWO(_screen->getRoot(), SCREEN_EDGE_BOTTOM,
indent && (_config->getScreenEdgeSize(SCREEN_EDGE_BOTTOM) > 0)));
// make sure the edge stays ontop
list<EdgeWO*>::iterator it(_screen_edge_list.begin());
for (; it != _screen_edge_list.end(); ++it) {
_workspaces->insert(*it);
}
screenEdgeResize();
}
//! @brief
void
WindowManager::screenEdgeDestroy(void)
{
if (_screen_edge_list.size() == 0) {
return;
}
list<EdgeWO*>::iterator it(_screen_edge_list.begin());
for (; it != _screen_edge_list.end(); ++it) {
_workspaces->remove(*it);
delete *it;
}
}
//! @brief
void
WindowManager::screenEdgeResize(void)
{
assert(_screen_edge_list.size() == 4);
uint l_size = std::max(_config->getScreenEdgeSize(SCREEN_EDGE_LEFT), 1);
uint r_size = std::max(_config->getScreenEdgeSize(SCREEN_EDGE_RIGHT), 1);
uint t_size = std::max(_config->getScreenEdgeSize(SCREEN_EDGE_TOP), 1);
uint b_size = std::max(_config->getScreenEdgeSize(SCREEN_EDGE_BOTTOM), 1);
list<EdgeWO*>::iterator it(_screen_edge_list.begin());
// Left edge
(*it)->moveResize(0, 0, l_size, _screen->getHeight());
++it;
// Right edge
(*it)->moveResize(_screen->getWidth() - r_size, 0, r_size, _screen->getHeight());
++it;
// Top edge
(*it)->moveResize(l_size, 0, _screen->getWidth() - l_size - r_size, t_size);
++it;
// Bottom edge
(*it)->moveResize(l_size, _screen->getHeight() - b_size, _screen->getWidth() - l_size - r_size, b_size);
for (it = _screen_edge_list.begin(); it != _screen_edge_list.end(); ++it) {
(*it)->configureStrut(_config->getScreenEdgeIndent()
&& (_config->getScreenEdgeSize((*it)->getEdge()) > 0));
}
_screen->updateStrut();
}
void
WindowManager::screenEdgeMapUnmap(void)
{
assert (_screen_edge_list.size() == 4);
list<EdgeWO*>::iterator it(_screen_edge_list.begin());
for (; it != _screen_edge_list.end(); ++it) {
if ((_config->getScreenEdgeSize((*it)->getEdge()) > 0) &&
(_config->getEdgeListFromPosition((*it)->getEdge())->size() > 0)) {
(*it)->mapWindow();
} else {
(*it)->unmapWindow();
}
}
}
//! @brief Reloads configuration and updates states.
void
WindowManager::doReload(void)
{
doReloadConfig();
doReloadTheme();
doReloadMouse();
doReloadKeygrabber();
doReloadAutoproperties();
MenuHandler::instance()->reloadMenus();
// Special case for HARBOUR menu which is not included in the menu map
_harbour->getHarbourMenu()->reload(static_cast<CfgParser::Entry*>(0));
doReloadHarbour();
_root_wo->setEwmhDesktopNames();
_reload = false;
}
/**
* Reload main config file.
*/
void
WindowManager::doReloadConfig(void)
{
// If any of these changes, re-fetch of all names is required
bool old_client_unique_name = _config->getClientUniqueName();
string old_client_unique_name_pre = _config->getClientUniqueNamePre();
string old_client_unique_name_post = _config->getClientUniqueNamePost();
// Reload configuration
if (! _config->load(_config->getConfigFile())) {
return;
}
// Update what might have changed in the cfg touching the hints
_workspaces->setSize(_config->getWorkspaces());
_workspaces->setPerRow(_config->getWorkspacesPerRow());
_workspaces->setNames();
// Flush pixmap cache and set size
_screen_resources->getPixmapHandler()->setCacheSize(_config->getScreenPixmapCacheSize());
// Set the font title trim before reloading the themes
PFont::setTrimString(_config->getTrimTitle());
// Update the ClientUniqueNames if needed
if ((old_client_unique_name != _config->getClientUniqueName()) ||
(old_client_unique_name_pre != _config->getClientUniqueNamePre()) ||
(old_client_unique_name_post != _config->getClientUniqueNamePost())) {
for_each(Client::client_begin(), Client::client_end(), mem_fun(&Client::readName));
}
// Resize the screen edge
screenEdgeResize();
screenEdgeMapUnmap();
_screen->updateStrut();
}
/**
* Reload theme file and update decorations.
*/
void
WindowManager::doReloadTheme(void)
{
// Reload the theme
if (! _theme->load(_config->getThemeFile())) {
return;
}
// Reload the themes on all decors
for_each(PDecor::pdecor_begin(), PDecor::pdecor_end(), mem_fun(&PDecor::loadDecor));
}
/**
* Reload mouse configuration and re-grab buttons on all windows.
*/
void
WindowManager::doReloadMouse(void)
{
if (! _config->loadMouseConfig(_config->getMouseConfigFile())) {
return;
}
for_each(Client::client_begin(), Client::client_end(), mem_fun(&Client::grabButtons));
}
/**
* Reload keygrabber configuration and re-grab keys on all windows.
*/
void
WindowManager::doReloadKeygrabber(bool force)
{
// Reload the keygrabber
if (! _keygrabber->load(_config->getKeyFile(), force)) {
return;
}
_keygrabber->ungrabKeys(_screen->getRoot());
_keygrabber->grabKeys(_screen->getRoot());
// Regrab keys and buttons
list<Client*>::iterator c_it(Client::client_begin());
for (; c_it != Client::client_end(); ++c_it) {
(*c_it)->grabButtons();
_keygrabber->ungrabKeys((*c_it)->getWindow());
_keygrabber->grabKeys((*c_it)->getWindow());
}
}
/**
* Reload autoproperties.
*/
void
WindowManager::doReloadAutoproperties(void)
{
if (! _autoproperties->load()) {
return;
}
// NOTE: we need to load autoproperties after decor have been updated
// as otherwise old theme data pointer will be used and sig 11 pekwm.
list<Client*>::iterator it_c(Client::client_begin());
for (; it_c != Client::client_end(); ++it_c) {
(*it_c)->readAutoprops(APPLY_ON_RELOAD);
}
list<Frame*>::iterator it_f(Frame::frame_begin());
for (; it_f != Frame::frame_end(); ++it_f) {
(*it_f)->readAutoprops(APPLY_ON_RELOAD);
}
}
/**
* Reload harbour configuration.
*/
void
WindowManager::doReloadHarbour(void)
{
_harbour->loadTheme();
_harbour->rearrange();
_harbour->restack();
_harbour->updateHarbourSize();
}
//! @brief Exit pekwm and restart with the command command
void
WindowManager::restart(std::string command)
{
if (command.size() == 0) {
command = _command_line;
}
_restart_command = command;
_shutdown = true;
}
// Event handling routins beneath this =====================================
void
WindowManager::doEventLoop(void)
{
XEvent ev;
Timer<ActionPerformed>::timed_event_list events;
while (! _shutdown && ! is_signal_int_term) {
// Handle timeouts
if (is_signal_alrm) {
is_signal_alrm = false;
if (_timer_action.getTimedOut(events)) {
Timer<ActionPerformed>::timed_event_list_it it(events.begin());
for (; it != events.end(); ++it) {
_action_handler->handleAction((*it)->data);
}
events.clear();
}
}
// Reload if requested
if (is_signal_hup || _reload) {
is_signal_hup = false;
doReload();
}
// Get next event, drop event handling if none was given
if (_screen->getNextEvent(ev)) {
switch (ev.type) {
case MapRequest:
handleMapRequestEvent(&ev.xmaprequest);
break;
case UnmapNotify:
handleUnmapEvent(&ev.xunmap);
break;
case DestroyNotify:
handleDestroyWindowEvent(&ev.xdestroywindow);
break;
case ConfigureRequest:
handleConfigureRequestEvent(&ev.xconfigurerequest);
break;
case ClientMessage:
handleClientMessageEvent(&ev.xclient);
break;
case ColormapNotify:
handleColormapEvent(&ev.xcolormap);
break;
case PropertyNotify:
_screen->setLastEventTime(ev.xproperty.time);
handlePropertyEvent(&ev.xproperty);
break;
case MappingNotify:
handleMappingEvent(&ev.xmapping);
break;
case Expose:
handleExposeEvent(&ev.xexpose);
break;
case KeyPress:
case KeyRelease:
_screen->setLastEventTime(ev.xkey.time);
handleKeyEvent(&ev.xkey);
break;
case ButtonPress:
_screen->setLastEventTime(ev.xbutton.time);
handleButtonPressEvent(&ev.xbutton);
break;
case ButtonRelease:
_screen->setLastEventTime(ev.xbutton.time);
handleButtonReleaseEvent(&ev.xbutton);
break;
case MotionNotify:
_screen->setLastEventTime(ev.xmotion.time);
handleMotionEvent(&ev.xmotion);
break;
case EnterNotify:
_screen->setLastEventTime(ev.xcrossing.time);
handleEnterNotify(&ev.xcrossing);
break;
case LeaveNotify:
_screen->setLastEventTime(ev.xcrossing.time);
handleLeaveNotify(&ev.xcrossing);
break;
case FocusIn:
handleFocusInEvent(&ev.xfocus);
break;
case FocusOut:
handleFocusOutEvent(&ev.xfocus);
break;
case SelectionClear:
// Another window
cerr << " *** INFO: Being replaced by another WM" << endl;
_shutdown = true;
break;
default:
#ifdef HAVE_SHAPE
if (_screen->hasExtensionShape() && (ev.type == _screen->getEventShape())) {
handleShapeEvent(&ev.xany);
}
#endif // HAVE_SHAPE
#ifdef HAVE_XRANDR
if (_screen->hasExtensionXRandr() && (ev.type == _screen->getEventXRandr())) {
handleXRandrEvent(reinterpret_cast<XRRNotifyEvent*>(&ev));
}
#endif // HAVE_XRANDR
break;
}
}
}
}
//! @brief Handle XKeyEvents
void
WindowManager::handleKeyEvent(XKeyEvent *ev)
{
ActionEvent *ae = 0;
PWinObj *wo, *wo_orig;
wo = wo_orig = PWinObj::getFocusedPWinObj();
PWinObj::Type type = (wo) ? wo->getType() : PWinObj::WO_SCREEN_ROOT;
switch (type) {
case PWinObj::WO_CLIENT:
case PWinObj::WO_FRAME:
case PWinObj::WO_SCREEN_ROOT:
case PWinObj::WO_MENU:
if (ev->type == KeyPress) {
ae = _keygrabber->findAction(ev, type);
}
break;
case PWinObj::WO_CMD_DIALOG:
case PWinObj::WO_SEARCH_DIALOG:
if (ev->type == KeyPress) {
ae = wo->handleKeyPress(ev);
} else {
ae = wo->handleKeyRelease(ev);
}
wo = static_cast<InputDialog*>(wo)->getWORef();
break;
default:
if (wo) {
if (ev->type == KeyPress) {
ae = wo->handleKeyPress(ev);
} else {
ae = wo->handleKeyRelease(ev);
}
}
break;
}
if (ae) {
// HACK: Always close CmdDialog and SearchDialog before actions
if (wo_orig
&& (wo_orig->getType() == PWinObj::WO_CMD_DIALOG
|| wo_orig->getType() == PWinObj::WO_SEARCH_DIALOG)) {
::Action close_action;
ActionEvent close_ae;
close_ae.action_list.push_back(close_action);
close_ae.action_list.back().setAction(ACTION_CLOSE);
ActionPerformed close_ap(wo_orig, close_ae);
_action_handler->handleAction(close_ap);
}
ActionPerformed ap(wo, *ae);
ap.type = ev->type;
ap.event.key = ev;
_action_handler->handleAction(ap);
}
// flush Enter events caused by keygrabbing
XEvent e;
while (XCheckTypedEvent(_screen->getDpy(), EnterNotify, &e)) {
if (! e.xcrossing.send_event) {
_screen->setLastEventTime(e.xcrossing.time);
}
}
}
//! @brief
void
WindowManager::handleButtonPressEvent(XButtonEvent *ev)
{
// Clear event queue
while (XCheckTypedEvent(_screen->getDpy(), ButtonPress, (XEvent *) ev)) {
if (! ev->send_event) {
_screen->setLastEventTime(ev->time);
}
}
ActionEvent *ae = 0;
PWinObj *wo = 0;
wo = PWinObj::findPWinObj(ev->window);
if (wo) {
ae = wo->handleButtonPress(ev);
if (wo->getType() == PWinObj::WO_FRAME) {
// this is done so that clicking the titlebar executes action on
// the client clicked on, doesn't apply when subwindow is set (meaning
// a titlebar button beeing pressed)
if ((ev->subwindow == None)
&& (ev->window == static_cast<Frame*>(wo)->getTitleWindow())) {
wo = static_cast<Frame*>(wo)->getChildFromPos(ev->x);
} else {
wo = static_cast<Frame*>(wo)->getActiveChild();
}
}
}
if (ae) {
ActionPerformed ap(wo, *ae);
ap.type = ev->type;
ap.event.button = ev;
_action_handler->handleAction(ap);
} else {
DockApp *da = _harbour->findDockAppFromFrame(ev->window);
if (da) {
_harbour->handleButtonEvent(ev, da);
}
}
}
//! @brief
void
WindowManager::handleButtonReleaseEvent(XButtonEvent *ev)
{
// Flush ButtonReleases
while (XCheckTypedEvent(_screen->getDpy(), ButtonRelease, (XEvent *) ev)) {
if (! ev->send_event) {
_screen->setLastEventTime(ev->time);
}
}
ActionEvent *ae = 0;
PWinObj *wo = PWinObj::findPWinObj(ev->window);
if (wo == _root_wo && ev->subwindow != None) {
wo = PWinObj::findPWinObj(ev->subwindow);
}
if (wo) {
// Kludge for the case that wo is freed by handleButtonRelease(.).
PWinObj::Type wotype = wo->getType();
ae = wo->handleButtonRelease(ev);
if (wotype == PWinObj::WO_FRAME) {
// this is done so that clicking the titlebar executes action on
// the client clicked on, doesn't apply when subwindow is set (meaning
// a titlebar button beeing pressed)
if ((ev->subwindow == None)
&& (ev->window == static_cast<Frame*>(wo)->getTitleWindow())) {
wo = static_cast<Frame*>(wo)->getChildFromPos(ev->x);
} else {
wo = static_cast<Frame*>(wo)->getActiveChild();
}
}
if (ae) {
ActionPerformed ap(wo, *ae);
ap.type = ev->type;
ap.event.button = ev;
_action_handler->handleAction(ap);
}
} else {
DockApp *da = _harbour->findDockAppFromFrame(ev->window);
if (da) {
_harbour->handleButtonEvent(ev, da);
}
}
}
void
WindowManager::handleConfigureRequestEvent(XConfigureRequestEvent *ev)
{
Client *client = Client::findClientFromWindow(ev->window);
if (client) {
((Frame*) client->getParent())->handleConfigureRequest(ev, client);
} else {
DockApp *da = _harbour->findDockApp(ev->window);
if (da) {
_harbour->handleConfigureRequestEvent(ev, da);
} else {
// Since this window isn't yet a client lets delegate
// the configure request back to the window so it can use it.
XWindowChanges wc;
wc.x = ev->x;
wc.y = ev->y;
wc.width = ev->width;
wc.height = ev->height;
wc.sibling = ev->above;
wc.stack_mode = ev->detail;
XConfigureWindow(_screen->getDpy(), ev->window, ev->value_mask, &wc);
}
}
}
/**
* Handle motion event, match on event window expect when event window
* is root and subwindow is set then also match on menus.
*/
void
WindowManager::handleMotionEvent(XMotionEvent *ev)
{
ActionEvent *ae = 0;
PWinObj *wo = PWinObj::findPWinObj(ev->window);
if (wo == _root_wo && ev->subwindow != None) {
wo = PWinObj::findPWinObj(ev->subwindow);
}
if (wo) {
if (wo->getType() == PWinObj::WO_CLIENT) {
ae = wo->getParent()->handleMotionEvent(ev);
} else if (wo->getType() == PWinObj::WO_FRAME) {
ae = wo->handleMotionEvent(ev);
// this is done so that clicking the titlebar executes action on
// the client clicked on
if (ev->subwindow != None) {
wo = static_cast<Frame*>(wo)->getActiveChild();
} else {
wo = static_cast<Frame*>(wo)->getChildFromPos(ev->x);
}
} else {
ae = wo->handleMotionEvent(ev);
}
if (ae) {
ActionPerformed ap(wo, *ae);
ap.type = ev->type;
ap.event.motion = ev;
_action_handler->handleAction(ap);
}
} else {
DockApp *da = _harbour->findDockAppFromFrame(ev->window);
if (da) {
_harbour->handleMotionNotifyEvent(ev, da);
}
}
}
//! @brief
void
WindowManager::handleMapRequestEvent(XMapRequestEvent *ev)
{
PWinObj *wo = PWinObj::findPWinObj(ev->window);
if (wo) {
wo->handleMapRequest(ev);
} else {
XWindowAttributes attr;
XGetWindowAttributes(_screen->getDpy(), ev->window, &attr);
if (! attr.override_redirect) {
// We need to figure out whether or not this is a dockapp.
XWMHints *wm_hints = XGetWMHints(_screen->getDpy(), ev->window);
if (wm_hints) {
if ((wm_hints->flags&StateHint) &&
(wm_hints->initial_state == WithdrawnState)) {
_harbour->addDockApp(new DockApp(_screen, _theme, ev->window));
} else {
Client *client = new Client(ev->window, true);
if (! client->isAlive()) {
delete client;
}
}
XFree(wm_hints);
} else {
Client *client = new Client(ev->window, true);
if (! client->isAlive()) {
delete client;
}
}
}
}
}
//! @brief
void
WindowManager::handleUnmapEvent(XUnmapEvent *ev)
{
PWinObj *wo = PWinObj::findPWinObj(ev->window);
PWinObj *wo_search = 0;
PWinObj::Type wo_type = PWinObj::WO_NO_TYPE;
if (wo) {
wo_type = wo->getType();
if (wo_type == PWinObj::WO_CLIENT) {
wo_search = wo->getParent();
}
wo->handleUnmapEvent(ev);
if (wo == PWinObj::getFocusedPWinObj()) {
PWinObj::setFocusedPWinObj(0);
}
} else {
DockApp *da = _harbour->findDockApp(ev->window);
if (da) {
if (ev->window == ev->event) {
_harbour->removeDockApp(da);
}
}
}
if (wo_type != PWinObj::WO_MENU
&& wo_type != PWinObj::WO_CMD_DIALOG
&& wo_type != PWinObj::WO_SEARCH_DIALOG
&& ! PWinObj::getFocusedPWinObj()) {
findWOAndFocus(wo_search);
}
}
void
WindowManager::handleDestroyWindowEvent(XDestroyWindowEvent *ev)
{
Client *client = Client::findClientFromWindow(ev->window);
if (client) {
PWinObj *wo_search = client->getParent();
client->handleDestroyEvent(ev);
if (! PWinObj::getFocusedPWinObj()) {
findWOAndFocus(wo_search);
}
} else {
DockApp *da = _harbour->findDockApp(ev->window);
if (da) {
da->setAlive(false);
_harbour->removeDockApp(da);
}
}
}
void
WindowManager::handleEnterNotify(XCrossingEvent *ev)
{
// Clear event queue
while (XCheckTypedEvent(_screen->getDpy(), EnterNotify, (XEvent *) ev)) {
if (! ev->send_event) {
_screen->setLastEventTime(ev->time);
}
}
if ((ev->mode == NotifyGrab) || (ev->mode == NotifyUngrab)) {
return;
}
PWinObj *wo = PWinObj::findPWinObj(ev->window);
if (wo) {
if (wo->getType() == PWinObj::WO_CLIENT) {
wo = wo->getParent();
}
ActionEvent *ae = wo->handleEnterEvent(ev);
if (ae) {
ActionPerformed ap(wo, *ae);
ap.type = ev->type;
ap.event.crossing = ev;
_action_handler->handleAction(ap);
}
}
}
void
WindowManager::handleLeaveNotify(XCrossingEvent *ev)
{
// Clear event queue
while (XCheckTypedEvent(_screen->getDpy(), LeaveNotify, (XEvent *) ev)) {
if (! ev->send_event) {
_screen->setLastEventTime(ev->time);
}
}
if ((ev->mode == NotifyGrab) || (ev->mode == NotifyUngrab)) {
return;
}
PWinObj *wo = PWinObj::findPWinObj(ev->window);
if (wo) {
ActionEvent *ae = wo->handleLeaveEvent(ev);
if (ae) {
ActionPerformed ap(wo, *ae);
ap.type = ev->type;
ap.event.crossing = ev;
_action_handler->handleAction(ap);
}
}
}
//! @brief Handles FocusIn Events.
void
WindowManager::handleFocusInEvent(XFocusChangeEvent *ev)
{
if ((ev->mode == NotifyGrab) || (ev->mode == NotifyUngrab)) {
return;
}
PWinObj *wo = PWinObj::findPWinObj(ev->window);
if (wo) {
// To simplify logic, changing client in frame wouldn't update the
// focused window because wo != focused_wo woule be true.
if (wo->getType() == PWinObj::WO_FRAME) {
wo = static_cast<Frame*>(wo)->getActiveChild();
}
if (! wo->isFocusable() || ! wo->isMapped()) {
findWOAndFocus(0);
} else if (wo != PWinObj::getFocusedPWinObj()) {
// If it's a valid FocusIn event with accepatable target lets flush
// all EnterNotify and LeaveNotify as they can interfere with
// focusing if Sloppy or Follow like focus model is used.
XEvent e_flush;
while (XCheckTypedEvent(_screen->getDpy(), EnterNotify, &e_flush)) {
if (! e_flush.xcrossing.send_event) {
_screen->setLastEventTime(e_flush.xcrossing.time);
}
}
while (XCheckTypedEvent(_screen->getDpy(), LeaveNotify, &e_flush)) {
if (! e_flush.xcrossing.send_event) {
_screen->setLastEventTime(e_flush.xcrossing.time);
}
}
PWinObj *focused_wo = PWinObj::getFocusedPWinObj(); // convenience
// unfocus last window
if (focused_wo) {
if (focused_wo->getType() == PWinObj::WO_CLIENT) {
focused_wo->getParent()->setFocused(false);
} else {
focused_wo->setFocused(false);
}
_workspaces->setLastFocused(_workspaces->getActive(), focused_wo);
}
PWinObj::setFocusedPWinObj(wo);
if (wo->getType() == PWinObj::WO_CLIENT) {
wo->getParent()->setFocused(true);
_root_wo->setEwmhActiveWindow(wo->getWindow());
// update the MRU list
_mru_list.remove(wo->getParent());
_mru_list.push_back(wo->getParent());
} else {
wo->setFocused(true);
_root_wo->setEwmhActiveWindow(None);
}
}
}
}
//! @brief Handles FocusOut Events.
void
WindowManager::handleFocusOutEvent(XFocusChangeEvent *ev)
{
// Get the last focus in event, no need to go through them all.
while (XCheckTypedEvent(_screen->getDpy(), FocusOut, (XEvent *) ev))
;
}
/**
* Handle XClientMessageEvent events.
*
* @param ev Event to handle.
*/
void
WindowManager::handleClientMessageEvent(XClientMessageEvent *ev)
{
if (ev->window == _screen->getRoot()) {
// root window messages
if (ev->format == 32) {
if (ev->message_type == Atoms::getAtom(NET_CURRENT_DESKTOP)) {
_workspaces->setWorkspace(ev->data.l[0], true);
} else if (ev->message_type ==
Atoms::getAtom(NET_NUMBER_OF_DESKTOPS)) {
if (ev->data.l[0] > 0) {
_workspaces->setSize(ev->data.l[0]);
}
}
}
} else {
// client messages
Client *client = Client::findClientFromWindow(ev->window);
if (client) {
static_cast<Frame*>(client->getParent())->handleClientMessage(ev, client);
}
}
}
void
WindowManager::handleColormapEvent(XColormapEvent *ev)
{
Client *client = Client::findClient(ev->window);
if (client) {
client =
static_cast<Client*>(((Frame*) client->getParent())->getActiveChild());
client->handleColormapChange(ev);
}
}
//! @brief Handles XPropertyEvents
void
WindowManager::handlePropertyEvent(XPropertyEvent *ev)
{
if (ev->window == _screen->getRoot()) {
if (ev->atom == Atoms::getAtom(NET_DESKTOP_NAMES)) {
_root_wo->readEwmhDesktopNames();
_workspaces->setNames();
}
return;
}
Client *client = Client::findClientFromWindow(ev->window);
if (client) {
((Frame*) client->getParent())->handlePropertyChange(ev, client);
}
}
//! @brief Handles XMappingEvent
void
WindowManager::handleMappingEvent(XMappingEvent *ev)
{
if (ev->request == MappingKeyboard || ev->request == MappingModifier) {
XRefreshKeyboardMapping(ev);
_screen->setLockKeys();
InputDialog::reloadKeysymMap();
doReloadKeygrabber(true);
}
}
void
WindowManager::handleExposeEvent(XExposeEvent *ev)
{
ActionEvent *ae = 0;
PWinObj *wo = PWinObj::findPWinObj(ev->window);
if (wo) {
ae = wo->handleExposeEvent(ev);
}
if (ae) {
ActionPerformed ap(wo, *ae);
ap.type = ev->type;
ap.event.expose = ev;
_action_handler->handleAction(ap);
}
}
//! @brief Handle shape events applying shape to clients
void
WindowManager::handleShapeEvent(XAnyEvent *ev)
{
#ifdef HAVE_SHAPE
Client *client = Client::findClient(ev->window);
if (client && client->getParent()) {
static_cast<Frame*>(client->getParent())->handleShapeEvent(ev);
}
#endif // HAVE_SHAPE
}
#ifdef HAVE_XRANDR
//! @brief Handles XRandr events
//! @param ev XRRNotifyEvent to handle.
void
WindowManager::handleXRandrEvent(XRRNotifyEvent *ev)
{
if (ev->subtype == RRNotify_CrtcChange) {
handleXRandrCrtcChangeEvent(reinterpret_cast<XRRCrtcChangeNotifyEvent*>(ev));
} else {
handleXRandrScreenChangeEvent(reinterpret_cast<XRRScreenChangeNotifyEvent*>(ev));
}
}
/**
* Handle screen change event.
*
* Reads the screen geometry and head information all over, updates
* the screen edge and harbour.
*
* @param ev XRRScreenChangeNotifyEvent event to handle.
*/
void
WindowManager::handleXRandrScreenChangeEvent(XRRScreenChangeNotifyEvent *ev)
{
#ifdef DEBUG
cerr << __FILE__ << "@" << __LINE__ << ": WindowManager::handleXRandrScreenChangeEvent()" << endl;
#endif // DEBUG
_screen->updateGeometry(ev->width, ev->height);
_harbour->updateGeometry();
screenEdgeResize();
// Make sure windows are visible after resize
list<PDecor*>::iterator it(PDecor::pdecor_begin());
for (; it != PDecor::pdecor_end(); ++it) {
_workspaces->placeWoInsideScreen(*it);
}
}
//! @brief Handle crtc change event, does nothing.
//! @param ev XRRCrtcChangeNotifyEvent event to handle.
void
WindowManager::handleXRandrCrtcChangeEvent(XRRCrtcChangeNotifyEvent *ev)
{
#ifdef DEBUG
cerr << __FILE__ << "@" << __LINE__ << ": WindowManager::handleXRandrCrtcChangeEvent()" << endl;
#endif // DEBUG
}
#endif // HAVE_XRANDR
// Event handling routines stop ============================================
//! @brief Searches for a PWinObj to focus, and then gives it input focus
void
WindowManager::findWOAndFocus(PWinObj *search)
{
PWinObj *focus = 0;
if (PWinObj::windowObjectExists(search) &&
(search->isMapped()) && (search->isFocusable())) {
focus = search;
}
// search window object didn't exist, go through the MRU list
if (! focus) {
list<PWinObj*>::reverse_iterator f_it = _mru_list.rbegin();
for (; ! focus && (f_it != _mru_list.rend()); ++f_it) {
if ((*f_it)->isMapped() && (*f_it)->isFocusable()) {
focus = *f_it;
}
}
}
if (focus) {
focus->giveInputFocus();
} else if (! PWinObj::getFocusedPWinObj()) {
_root_wo->giveInputFocus();
_root_wo->setEwmhActiveWindow(None);
}
}
//! @brief Raises the client and all window having transient relationship with it
//! @param client Client part of the famliy
//! @param raise If true, raise frames, else lowers them
void
WindowManager::familyRaiseLower(Client *client, bool raise)
{
Client *parent;
Window win_search;
if (! client->getTransientClient()) {
parent = client;
win_search = client->getWindow();
} else {
parent = client->getTransientClient();
win_search = client->getTransientClientWindow();
}
list<Client*> client_list;
Client::findFamilyFromWindow(client_list, win_search);
if (parent) { // make sure parent gets underneath the children
if (raise) {
client_list.push_front(parent);
} else {
client_list.push_back(parent);
}
}
Frame *frame;
list<Client*>::iterator it(client_list.begin());
for (; it != client_list.end(); ++it) {
frame = dynamic_cast<Frame*>((*it)->getParent());
if (frame) {
if (raise) {
frame->raise();
} else {
frame->lower();
}
}
}
}
//! @brief Remove from MRU list.
void
WindowManager::removeFromFrameList(Frame *frame)
{
_mru_list.remove(frame);
}
/**
* Match Frame against autoproperty.
*/
bool
WindowManager::findGroupMatchProperty(Frame *frame, AutoProperty *property)
{
if ((property->group_global
|| (property->isMask(AP_WORKSPACE)
? (frame->getWorkspace() == property->workspace
&& ! frame->isIconified())
: frame->isMapped()))
&& (property->group_size == 0
|| signed(frame->size()) < property->group_size)
&& (((frame->getClassHint()->group.size() > 0)
? (frame->getClassHint()->group == property->group_name) : false)
|| AutoProperties::matchAutoClass(*frame->getClassHint(),
static_cast<Property*>(property)))) {
return true;
}
return false;
}
/**
* Tries to find a Frame to autogroup with. This is called recursively
* if workspace specific matching is on to avoid conflicts with the
* global property.
*/
Frame*
WindowManager::findGroup(AutoProperty *property)
{
if (! _allow_grouping) {
return 0;
}
Frame *frame = 0;
if (property->group_global && property->isMask(AP_WORKSPACE)) {
bool group_global_orig = property->group_global;
property->group_global= false;
frame = findGroup(property);
property->group_global= group_global_orig;
}
if (! frame) {
frame = findGroupMatch(property);
}
return frame;
}
/**
* Do matching against Frames searching for a suitable Frame for
* grouping.
*/
Frame*
WindowManager::findGroupMatch(AutoProperty *property)
{
Frame *frame = 0;
// Matching against the focused window first if requested
if (property->group_focused_first
&& PWinObj::isFocusedPWinObj(PWinObj::WO_CLIENT)) {
Frame *fo_frame =
static_cast<Frame*>(PWinObj::getFocusedPWinObj()->getParent());
if (findGroupMatchProperty(fo_frame, property)) {
frame = fo_frame;
}
}
// Moving on to the rest of the frames.
if (! frame) {
list<Frame*>::iterator it(Frame::frame_begin());
for (; it != Frame::frame_end(); ++it) {
if (findGroupMatchProperty(*it, property)) {
frame = *it;
break;
}
}
}
return frame;
}
//! @brief Attaches all marked clients to frame
void
WindowManager::attachMarked(Frame *frame)
{
list<Client*>::iterator it(Client::client_begin());
for (; it != Client::client_end(); ++it) {
if ((*it)->isMarked()) {
if ((*it)->getParent() != frame) {
((Frame*) (*it)->getParent())->removeChild(*it);
(*it)->setWorkspace(frame->getWorkspace());
frame->addChild(*it);
}
(*it)->setStateMarked(STATE_UNSET);
}
}
}
//! @brief Attaches the Client/Frame into the Next/Prev Frame
void
WindowManager::attachInNextPrevFrame(Client *client, bool frame, bool next)
{
if (! client)
return;
Frame *new_frame;
if (next) {
new_frame =
getNextFrame((Frame*) client->getParent(), true, SKIP_FOCUS_TOGGLE);
} else {
new_frame =
getPrevFrame((Frame*) client->getParent(), true, SKIP_FOCUS_TOGGLE);
}
if (new_frame) { // we found a frame
if (frame) {
new_frame->addDecor((Frame*) client->getParent());
} else {
client->getParent()->setFocused(false);
((Frame*) client->getParent())->removeChild(client);
new_frame->addChild(client);
new_frame->activateChild(client);
new_frame->giveInputFocus();
}
}
}
//! @brief Finds the next frame in the list
//!
//! @param frame Frame to search from
//! @param mapped Match only agains mapped frames
//! @param mask Defaults to 0
Frame*
WindowManager::getNextFrame(Frame* frame, bool mapped, uint mask)
{
if (! frame || (Frame::frame_size() < 2)) {
return 0;
}
Frame *next_frame = 0;
list<Frame*>::iterator f_it(find(Frame::frame_begin(), Frame::frame_end(), frame));
if (f_it != Frame::frame_end()) {
list<Frame*>::iterator n_it(f_it);
if (++n_it == Frame::frame_end()) {
n_it = Frame::frame_begin();
}
while (! next_frame && (n_it != f_it)) {
if (! (*n_it)->isSkip(mask) && (! mapped || (*n_it)->isMapped()))
next_frame = (*n_it);
if (++n_it == Frame::frame_end()) {
n_it = Frame::frame_begin();
}
}
}
return next_frame;
}
//! @brief Finds the previous frame in the list
//!
//! @param frame Frame to search from
//! @param mapped Match only agains mapped frames
//! @param mask Defaults to 0
Frame*
WindowManager::getPrevFrame(Frame* frame, bool mapped, uint mask)
{
if (! frame || (Frame::frame_size() < 2)) {
return 0;
}
Frame *next_frame = 0;
list<Frame*>::iterator f_it(find(Frame::frame_begin(), Frame::frame_end(), frame));
if (f_it != Frame::frame_end()) {
list<Frame*>::iterator n_it(f_it);
if (n_it == Frame::frame_begin()) {
n_it = --Frame::frame_end();
} else {
--n_it;
}
while (! next_frame && (n_it != f_it)) {
if (! (*n_it)->isSkip(mask) && (! mapped || (*n_it)->isMapped())) {
next_frame = (*n_it);
}
if (n_it == Frame::frame_begin()) {
n_it = --Frame::frame_end();
} else {
--n_it;
}
}
}
return next_frame;
}