kwin/tiling/tiling.cpp

524 lines
16 KiB
C++

/********************************************************************
KWin - the KDE window manager
This file is part of the KDE project.
Copyright (C) 2009 Nikhil Marathe <nsm.nikhil@gmail.com>
Copyright (C) 2011 Arthur Arlt <a.arlt@stud.uni-heidelberg.de>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*********************************************************************/
#include <tiling/tiling.h>
#include <klocale.h>
#include <knotification.h>
#include <kwindowinfo.h>
#include <kwindowsystem.h>
#include <KActionCollection>
#include <KDE/KAction>
#include "tiling/tile.h"
#include "tiling/tilinglayout.h"
#include "tilinglayoutfactory.h"
#include "workspace.h"
namespace KWin {
Tiling::Tiling(KWin::Workspace* w)
: QObject(w)
, m_workspace(w)
, m_enabled(false)
{
}
Tiling::~Tiling()
{
}
void Tiling::initShortcuts(KActionCollection* keys){
KAction *a = NULL;
#define KEY( name, key, fnSlot ) \
a = keys->addAction( name ); \
a->setText( i18n( name ) ); \
qobject_cast<KAction*>( a )->setGlobalShortcut(KShortcut(key)); \
connect(a, SIGNAL(triggered(bool)), SLOT(fnSlot));
a = keys->addAction("Group:Tiling");
a->setText(i18n("Tiling"));
KEY(I18N_NOOP("Enable/Disable Tiling"), Qt::SHIFT + Qt::ALT + Qt::Key_F11, slotToggleTiling());
KEY(I18N_NOOP("Toggle Floating"), Qt::META + Qt::Key_F, slotToggleFloating());
KEY(I18N_NOOP("Switch Focus Left") , Qt::META + Qt::Key_H, slotFocusTileLeft());
KEY(I18N_NOOP("Switch Focus Right") , Qt::META + Qt::Key_L, slotFocusTileRight());
KEY(I18N_NOOP("Switch Focus Up") , Qt::META + Qt::Key_K, slotFocusTileTop());
KEY(I18N_NOOP("Switch Focus Down") , Qt::META + Qt::Key_J, slotFocusTileBottom());
KEY(I18N_NOOP("Move Window Left") , Qt::SHIFT + Qt::META + Qt::Key_H, slotMoveTileLeft());
KEY(I18N_NOOP("Move Window Right") , Qt::SHIFT + Qt::META + Qt::Key_L, slotMoveTileRight());
KEY(I18N_NOOP("Move Window Up") , Qt::SHIFT + Qt::META + Qt::Key_K, slotMoveTileTop());
KEY(I18N_NOOP("Move Window Down") , Qt::SHIFT + Qt::META + Qt::Key_J, slotMoveTileBottom());
KEY(I18N_NOOP("Next Layout"), Qt::META + Qt::Key_PageDown, slotNextTileLayout());
KEY(I18N_NOOP("Previous Layout"), Qt::META + Qt::Key_PageUp, slotPreviousTileLayout());
}
bool Tiling::isEnabled() const
{
return m_enabled;
}
void Tiling::setEnabled(bool tiling)
{
if (isEnabled() == tiling) return;
m_enabled = tiling;
KSharedConfig::Ptr _config = KGlobal::config();
KConfigGroup config(_config, "Windows");
config.writeEntry("TilingOn", m_enabled);
config.sync();
options->setTilingOn(m_enabled);
if (m_enabled) {
connect(m_workspace, SIGNAL(clientAdded(KWin::Client*)), this, SLOT(createTile(KWin::Client*)));
connect(m_workspace, SIGNAL(clientAdded(KWin::Client*)), this, SLOT(slotResizeTilingLayouts()));
connect(m_workspace, SIGNAL(numberDesktopsChanged(int)), this, SLOT(slotResizeTilingLayouts()));
connect(m_workspace, SIGNAL(clientRemoved(KWin::Client*)), this, SLOT(removeTile(KWin::Client*)));
connect(m_workspace, SIGNAL(clientActivated(KWin::Client*)), this, SLOT(notifyTilingWindowActivated(KWin::Client*)));
m_tilingLayouts.resize(Workspace::self()->numberOfDesktops() + 1);
foreach (Toplevel *t, Workspace::self()->stackingOrder()) {
if (Client *c = qobject_cast<Client*>(t)) {
createTile(c);
}
}
} else {
disconnect(m_workspace, SIGNAL(clientAdded(KWin::Client*)));
disconnect(m_workspace, SIGNAL(numberDesktopsChanged(int)));
disconnect(m_workspace, SIGNAL(clientRemoved(KWin::Client*)));
qDeleteAll(m_tilingLayouts);
m_tilingLayouts.clear();
}
}
void Tiling::slotToggleTiling()
{
if (isEnabled()) {
setEnabled(false);
QString message = i18n("Tiling Disabled");
KNotification::event("tilingdisabled", message, QPixmap(), NULL, KNotification::CloseOnTimeout, KComponentData("kwin"));
} else {
setEnabled(true);
QString message = i18n("Tiling Enabled");
KNotification::event("tilingenabled", message, QPixmap(), NULL, KNotification::CloseOnTimeout, KComponentData("kwin"));
}
}
void Tiling::createTile(Client* c)
{
if (c == NULL)
return;
if (c->desktop() < 0 || c->desktop() >= m_tilingLayouts.size()) return;
kDebug(1212) << "Now tiling " << c->caption();
if (!isEnabled() || !tileable(c))
return;
Tile *t = new Tile(c, Workspace::self()->clientArea(PlacementArea, c));
if (!tileable(c)) {
kDebug(1212) << c->caption() << "is not tileable";
t->floatTile();
}
if (!m_tilingLayouts.value(c->desktop())) {
m_tilingLayouts[c->desktop()] = TilingLayoutFactory::createLayout(TilingLayoutFactory::DefaultLayout, m_workspace);
m_tilingLayouts[c->desktop()]->setParent(this);
}
m_tilingLayouts[c->desktop()]->addTile(t);
m_tilingLayouts[c->desktop()]->commit();
// if tiling is activated, connect to Client's signals and react with rearrangement when (un)minimizing
connect(c, SIGNAL(clientMinimized(KWin::Client*,bool)), this, SLOT(notifyTilingWindowMinimizeToggled(KWin::Client*)));
connect(c, SIGNAL(clientUnminimized(KWin::Client*,bool)), this, SLOT(notifyTilingWindowMinimizeToggled(KWin::Client*)));
connect(c, SIGNAL(clientUnminimized(KWin::Client*,bool)), this, SLOT(updateAllTiles()));
}
void Tiling::removeTile(Client *c)
{
if (!m_tilingLayouts.value(c->desktop())) {
return;
}
if (m_tilingLayouts[ c->desktop()])
m_tilingLayouts[ c->desktop()]->removeTile(c);
}
bool Tiling::tileable(Client* c)
{
kDebug(1212) << c->caption();
KWindowInfo info = KWindowSystem::windowInfo(c->window(), -1U, NET::WM2WindowClass);
kDebug(1212) << "WINDOW CLASS IS " << info.windowClassClass();
if (info.windowClassClass() == "Plasma-desktop") {
return false;
}
// TODO: if application specific settings
// to ignore, put them here
if (!c->isNormalWindow()) {
return false;
}
// 0 means tile it, if we get 1 (floating), don't tile
if (c->rules()->checkTilingOption(0) == 1) {
return false;
}
kDebug() << "Tiling" << c;
return true;
}
void Tiling::belowCursor()
{
// TODO ... "WHAT?" remove? What's a parameterless void function supposed to do?
}
Tile* Tiling::getNiceTile() const
{
if (!isEnabled()) return NULL;
if (!m_workspace->activeClient()) return NULL;
if (!m_tilingLayouts.value(m_workspace->activeClient()->desktop())) return NULL;
return m_tilingLayouts[ m_workspace->activeClient()->desktop()]->findTile(m_workspace->activeClient());
// TODO ... WHAT?
}
void Tiling::updateAllTiles()
{
foreach (TilingLayout * t, m_tilingLayouts) {
if (!t) continue;
t->commit();
}
}
/*
* Resize the neighbouring clients to close any gaps
*/
void Tiling::notifyTilingWindowResize(Client *c, const QRect &moveResizeGeom, const QRect &orig)
{
if (m_tilingLayouts.value(c->desktop()) == NULL)
return;
m_tilingLayouts[ c->desktop()]->clientResized(c, moveResizeGeom, orig);
}
void Tiling::notifyTilingWindowMove(Client *c, const QRect &moveResizeGeom, const QRect &orig)
{
if (m_tilingLayouts.value(c->desktop()) == NULL) {
return;
}
m_tilingLayouts[ c->desktop()]->clientMoved(c, moveResizeGeom, orig);
updateAllTiles();
}
void Tiling::notifyTilingWindowResizeDone(Client *c, const QRect &moveResizeGeom, const QRect &orig, bool canceled)
{
if (canceled)
notifyTilingWindowResize(c, orig, moveResizeGeom);
else
notifyTilingWindowResize(c, moveResizeGeom, orig);
}
void Tiling::notifyTilingWindowMoveDone(Client *c, const QRect &moveResizeGeom, const QRect &orig, bool canceled)
{
if (canceled)
notifyTilingWindowMove(c, orig, moveResizeGeom);
else
notifyTilingWindowMove(c, moveResizeGeom, orig);
}
void Tiling::notifyTilingWindowDesktopChanged(Client *c, int old_desktop)
{
if (c->desktop() < 1 || c->desktop() > m_workspace->numberOfDesktops())
return;
if (m_tilingLayouts.value(old_desktop)) {
Tile *t = m_tilingLayouts[ old_desktop ]->findTile(c);
// TODO: copied from createTile(), move this into separate method?
if (!m_tilingLayouts.value(c->desktop())) {
m_tilingLayouts[c->desktop()] = TilingLayoutFactory::createLayout(TilingLayoutFactory::DefaultLayout, m_workspace);
}
if (t)
m_tilingLayouts[ c->desktop()]->addTile(t);
m_tilingLayouts[ old_desktop ]->removeTile(c);
m_tilingLayouts[ old_desktop ]->commit();
}
}
/*
* Implements the 3 raising modes in Window Behaviour -> Advanced
*/
void Tiling::notifyTilingWindowActivated(KWin::Client *c)
{
if (c == NULL)
return;
if (options->tilingRaisePolicy() == 1) // individual raise/lowers
return;
if (m_tilingLayouts.value(c->desktop())) {
QList<Tile *> tiles = m_tilingLayouts[ c->desktop()]->tiles();
StackingUpdatesBlocker blocker(m_workspace);
Tile *tile_to_raise = m_tilingLayouts[ c->desktop()]->findTile(c);
if (!tile_to_raise) {
return;
}
kDebug(1212) << "FOUND TILE";
bool raise_floating = false;
if (options->tilingRaisePolicy() == 2) // floating always on top
raise_floating = true;
else
raise_floating = tile_to_raise->floating();
foreach (Tile * t, tiles) {
if (t->floating() == raise_floating && t != tile_to_raise)
m_workspace->raiseClient(t->client());
}
// raise the current tile last so that it ends up on top
// but only if it supposed to be raised, required to support tilingRaisePolicy
kDebug(1212) << "Raise floating? " << raise_floating << "to raise is floating?" << tile_to_raise->floating();
if (tile_to_raise->floating() == raise_floating)
m_workspace->raiseClient(tile_to_raise->client());
}
}
void Tiling::notifyTilingWindowMinimizeToggled(KWin::Client* c)
{
if (m_tilingLayouts.value(c->desktop())) {
m_tilingLayouts[ c->desktop()]->clientMinimizeToggled(c);
}
}
void Tiling::notifyTilingWindowMaximized(Client *c, Options::WindowOperation op)
{
if (m_tilingLayouts.value(c->desktop())) {
Tile *t = m_tilingLayouts[ c->desktop()]->findTile(c);
if (!t) {
createTile(c);
t = m_tilingLayouts[ c->desktop()]->findTile(c);
// if still no tile, it couldn't be tiled
// so ignore it
if (!t)
return;
}
// if window IS tiled and a maximize
// is attempted, make the window float.
// That is all we do since that can
// mess up the layout.
// In all other cases, don't do
// anything, let the user manage toggling
// using Meta+F
if (!t->floating()
&& (op == Options::MaximizeOp
|| op == Options::HMaximizeOp
|| op == Options::VMaximizeOp)) {
m_tilingLayouts[ c->desktop()]->toggleFloatTile(c);
}
}
}
Tile* Tiling::findAdjacentTile(Tile *ref, int d)
{
QRect reference = ref->geometry();
QPoint origin = reference.center();
Tile *closest = NULL;
int minDist = -1;
QList<Tile *> tiles = m_tilingLayouts[ ref->client()->desktop()]->tiles();
foreach (Tile * t, tiles) {
if (t->client() == ref->client() || t->ignoreGeometry())
continue;
bool consider = false;
QRect other = t->geometry();
QPoint otherCenter = other.center();
switch(d) {
case Tile::Top:
consider = otherCenter.y() < origin.y()
&& other.bottom() < reference.top();
break;
case Tile::Right:
consider = otherCenter.x() > origin.x()
&& other.left() > reference.right();
break;
case Tile::Bottom:
consider = otherCenter.y() > origin.y()
&& other.top() > reference.bottom();
break;
case Tile::Left:
consider = otherCenter.x() < origin.x()
&& other.right() < reference.left();
break;
default:
abort();
}
if (consider) {
int dist = (otherCenter - origin).manhattanLength();
if (minDist > dist || minDist < 0) {
minDist = dist;
closest = t;
}
}
}
return closest;
}
void Tiling::focusTile(int d)
{
Tile *t = getNiceTile();
if (t) {
Tile *adj = findAdjacentTile(t, d);
if (adj)
m_workspace->activateClient(adj->client());
}
}
void Tiling::moveTile(int d)
{
Tile *t = getNiceTile();
if (t) {
Tile* adj = findAdjacentTile(t, d);
m_tilingLayouts[ t->client()->desktop()]->swapTiles(t, adj);
}
}
void Tiling::slotFocusTileLeft()
{
focusTile(Tile::Left);
}
void Tiling::slotFocusTileRight()
{
focusTile(Tile::Right);
}
void Tiling::slotFocusTileTop()
{
focusTile(Tile::Top);
}
void Tiling::slotFocusTileBottom()
{
focusTile(Tile::Bottom);
}
void Tiling::slotMoveTileLeft()
{
moveTile(Tile::Left);
}
void Tiling::slotMoveTileRight()
{
moveTile(Tile::Right);
}
void Tiling::slotMoveTileTop()
{
moveTile(Tile::Top);
}
void Tiling::slotMoveTileBottom()
{
moveTile(Tile::Bottom);
}
void Tiling::slotToggleFloating()
{
Client *c = m_workspace->activeClient();
if (!c)
return;
if (m_tilingLayouts.value(c->desktop())) {
m_tilingLayouts[ c->desktop()]->toggleFloatTile(c);
}
}
void Tiling::slotNextTileLayout()
{
if (m_tilingLayouts.value(m_workspace->currentDesktop())) {
m_tilingLayouts.replace(m_workspace->currentDesktop(), TilingLayoutFactory::nextLayout(m_tilingLayouts[m_workspace->currentDesktop()]));
m_tilingLayouts[m_workspace->currentDesktop()]->commit();
}
}
void Tiling::slotPreviousTileLayout()
{
if (m_tilingLayouts.value(m_workspace->currentDesktop())) {
m_tilingLayouts.replace(m_workspace->currentDesktop(), TilingLayoutFactory::previousLayout(m_tilingLayouts[m_workspace->currentDesktop()]));
m_tilingLayouts[m_workspace->currentDesktop()]->commit();
}
}
KDecorationDefines::Position Tiling::supportedTilingResizeMode(Client *c, KDecorationDefines::Position currentMode)
{
if (m_tilingLayouts.value(c->desktop())) {
return m_tilingLayouts[c->desktop()]->resizeMode(c, currentMode);
}
return currentMode;
}
void Tiling::dumpTiles() const
{
foreach (TilingLayout * t, m_tilingLayouts) {
if (!t) {
kDebug(1212) << "EMPTY DESKTOP";
continue;
}
kDebug(1212) << "Desktop" << m_tilingLayouts.indexOf(t);
foreach (Tile * tile, t->tiles()) {
tile->dumpTile("--");
}
}
}
const QVector< TilingLayout* >& Tiling::tilingLayouts() const
{
return m_tilingLayouts;
}
void Tiling::slotResizeTilingLayouts()
{
m_tilingLayouts.resize(m_workspace->numberOfDesktops() + 1);
}
}