QtSlideWindow.cc 13.8 KB
Newer Older
1
/*===========================================================================*\
Jan Möbius's avatar
Jan Möbius committed
2
*                                                                            *
3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33
 *                              OpenFlipper                                   *
 *      Copyright (C) 2001-2011 by Computer Graphics Group, RWTH Aachen       *
 *                           www.openflipper.org                              *
 *                                                                            *
 *--------------------------------------------------------------------------- *
 *  This file is part of OpenFlipper.                                         *
 *                                                                            *
 *  OpenFlipper is free software: you can redistribute it and/or modify       *
 *  it under the terms of the GNU Lesser General Public License as            *
 *  published by the Free Software Foundation, either version 3 of            *
 *  the License, or (at your option) any later version with the               *
 *  following exceptions:                                                     *
 *                                                                            *
 *  If other files instantiate templates or use macros                        *
 *  or inline functions from this file, or you compile this file and          *
 *  link it with other files to produce an executable, this file does         *
 *  not by itself cause the resulting executable to be covered by the         *
 *  GNU Lesser General Public License. This exception does not however        *
 *  invalidate any other reasons why the executable file might be             *
 *  covered by the GNU Lesser General Public License.                         *
 *                                                                            *
 *  OpenFlipper 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 Lesser General Public License for more details.                       *
 *                                                                            *
 *  You should have received a copy of the GNU LesserGeneral Public           *
 *  License along with OpenFlipper. If not,                                   *
 *  see <http://www.gnu.org/licenses/>.                                       *
 *                                                                            *
 \*===========================================================================*/
34 35

/*===========================================================================*\
Jan Möbius's avatar
Jan Möbius committed
36
*                                                                            *
37 38 39 40 41
 *   $Revision$                                                       *
 *   $LastChangedBy$                                                *
 *   $Date$                     *
 *                                                                            *
 \*===========================================================================*/
42 43 44 45 46 47 48 49 50 51 52 53 54 55 56

//=============================================================================
//
//  CLASS QtSlideWindow
//
//=============================================================================


//== GLOBAL DEFINITIONS=========================================================

#define BACKGROUND_RED   0xff
#define BACKGROUND_GREEN 0xff
#define BACKGROUND_BLUE  0xff
#define BACKGROUND_ALPHA 0xcf

57 58
#define SLIDE_DURATION        300
#define WAIT_UNTIL_SLIDE_DOWN 500
59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75

//== INCLUDES =================================================================

#include <OpenFlipper/common/GlobalOptions.hh>

#include <QPainter>
#include <QGraphicsSceneMouseEvent>
#include <QGraphicsScene>
#include <QGraphicsView>
#include <QDialog>
#include <QVBoxLayout>

#include "QtSlideWindow.hh"
#include "QtGraphicsButton.hh"

//== IMPLEMENTATION ==========================================================

76
QtSlideWindow::QtSlideWindow(QString _name, QGraphicsItem *_parent) :
77 78 79 80 81 82 83
    QGraphicsProxyWidget(_parent),
    name_(_name),
    mainWidget_(0),
    autohideButton_(0),
    detachButton_(0),
    dialog_(0),
    down_(false),
84 85
    animating_(false),
    timer_(0) {
86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106

    setCacheMode(QGraphicsItem::DeviceCoordinateCache);
    setWindowFrameMargins(2, 15, 2, 2);
    setZValue(2.0);

    QImage autohide(OpenFlipper::Options::iconDirStr() + OpenFlipper::Options::dirSeparator() + "button-autohide.png");
    QImage detach(OpenFlipper::Options::iconDirStr() + OpenFlipper::Options::dirSeparator() + "button-detach.png");

    autohideButton_ = new QtGraphicsButton(autohide, this, 12, 12);
    detachButton_ = new QtGraphicsButton(detach, this, 12, 12);

    autohideButton_->setCheckable(true);
    autohideButton_->setChecked(true);
    autohideButton_->setPos(geometry().width() - 12, -13);
    detachButton_->setPos(geometry().width() - 25, -13);

    connect(detachButton_, SIGNAL(pressed()), this, SLOT(detachPressed()));
    connect(autohideButton_, SIGNAL(pressed()), this, SLOT(autohidePressed()));

    // Create animation object
    animation_ = new QPropertyAnimation(this, "pos");
107
    animation_->setDuration(SLIDE_DURATION);
108 109
    connect(animation_, SIGNAL(finished()), this, SLOT(animationFinished()));

110 111 112 113 114 115 116
    // Create timer
    timer_ = new QTimer();
    timer_->setSingleShot(true);

    // Wait some milliseconds before starting the actual slide down animation
    connect(timer_, SIGNAL(timeout()), this, SLOT(startSlideDownAnimation()));

117 118 119 120 121 122
    // Hide widget
    hide();

    setAcceptsHoverEvents(true);

    updateParentGeometry();
123 124 125 126
}

//-----------------------------------------------------------------------------

127
void QtSlideWindow::attachWidget(QWidget *_m) {
128

129 130
    if (!_m)
        return;
131

132 133
    mainWidget_ = _m;
    mainWidget_->setParent(0);
Jan Möbius's avatar
Dennis:  
Jan Möbius committed
134

135 136 137 138 139
    if (autohideButton_->isChecked()) {
        setWidget(mainWidget_);
        setWindowFlags(Qt::Window | Qt::CustomizeWindowHint | Qt::WindowTitleHint);

        down_ = true;
Jan Möbius's avatar
Dennis:  
Jan Möbius committed
140

141 142 143
        show();
    }
    updateGeometry();
144 145 146
}

//-----------------------------------------------------------------------------
147

148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163
void QtSlideWindow::detachWidget() {

    setWidget(0);
    hide();

    if (mainWidget_) {
        mainWidget_->setParent(0);
        mainWidget_ = 0;
    }

    if (dialog_) {
        disconnect (dialog_, SIGNAL(finished (int)), this, SLOT(dialogClosed ()));
        dialog_->close();
        delete dialog_;
        dialog_ = 0;
    }
164 165 166 167
}

//-----------------------------------------------------------------------------

168
void QtSlideWindow::paintWindowFrame(QPainter *_painter, const QStyleOptionGraphicsItem* /*_option*/, QWidget* /*_widget*/) {
169

170 171
    int w = geometry().width();
    int h = geometry().height();
172

173 174 175 176
    _painter->setRenderHint(QPainter::Antialiasing, true);
    _painter->setBrush(QBrush(QColor(BACKGROUND_RED, BACKGROUND_GREEN, BACKGROUND_BLUE, BACKGROUND_ALPHA)));
    _painter->setPen(QColor(BACKGROUND_RED / 4, BACKGROUND_GREEN / 4, BACKGROUND_BLUE / 4, BACKGROUND_ALPHA));
    _painter->drawRoundedRect(-2, -15, w + 4, h + 40, 4, 4);
177

178
    _painter->setPen(Qt::SolidLine);
179

180
    _painter->drawText(2, -13, w - 4, 11, Qt::AlignCenter, name_);
181 182 183 184
}

//-----------------------------------------------------------------------------

185 186 187 188 189 190 191 192
bool QtSlideWindow::windowFrameEvent(QEvent *_e) {

    if(_e->type() == QEvent::GraphicsSceneMousePress || _e->type() == QEvent::GraphicsSceneMouseRelease) {
        QGraphicsSceneMouseEvent *ge = dynamic_cast<QGraphicsSceneMouseEvent*> (_e);
        if(windowFrameSectionAt(ge->pos()) != Qt::TopSection) {
            _e->accept();
            return false;
        }
193
    }
194 195

    return QGraphicsProxyWidget::windowFrameEvent(_e);
196 197 198 199
}

//-----------------------------------------------------------------------------

200 201 202 203 204 205 206
Qt::WindowFrameSection QtSlideWindow::windowFrameSectionAt(const QPointF &_pos) const {

    if (_pos.x() >= 2 && _pos.x() < geometry().width() - 2 - (13 * 2) && _pos.y() >= -15 && _pos.y() <= -10) {
        return Qt::TopSection;
    }

    return Qt::NoSection;
207 208 209 210
}

//-----------------------------------------------------------------------------

211 212
void QtSlideWindow::hoverEnterEvent(QGraphicsSceneHoverEvent *) {

213 214 215 216 217 218 219
    // Stop slide down action after timeout if the cursor
    // re-enters the logger within the timeout interval
    if(timer_->isActive()) {
        timer_->stop();
        return;
    }

220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256
    // Don't do anything if animation is currently in progress
    if(animating_) return;

    if (autohideButton_->isChecked() && down_) {
        slideUp();
    }
    if (!mainWidget_->isVisible()) {
        setWidget(mainWidget_);
        setWindowFlags(Qt::Window | Qt::CustomizeWindowHint | Qt::WindowTitleHint);
        show();
    }
}

//-----------------------------------------------------------------------------

void QtSlideWindow::hoverLeaveEvent(QGraphicsSceneHoverEvent *) {

    // Don't do anything if animation is currently in progress
    if(animating_) return;

    if (autohideButton_->isChecked() && !down_) {
        slideDown();
    }
}

//-----------------------------------------------------------------------------

void QtSlideWindow::resizeEvent(QGraphicsSceneResizeEvent *_event) {

    QGraphicsProxyWidget::resizeEvent(_event);
}

//-----------------------------------------------------------------------------

void QtSlideWindow::moveEvent(QGraphicsSceneMoveEvent *_event) {

    QGraphicsProxyWidget::moveEvent(_event);
257 258 259 260
}

//-----------------------------------------------------------------------------

261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285
void QtSlideWindow::detachPressed() {

    setWidget(0);

    dialog_ = new QDialog(0, Qt::Window);
    dialog_->setWindowTitle(name_);
    dialog_->setLayout(new QVBoxLayout);
    dialog_->resize(mainWidget_->size());
    dialog_->layout()->addWidget(mainWidget_);

    if (scene() && scene()->views()[0] && scene()->views()[0]->window()) {
        QWidget *w = scene()->views()[0]->window();
        int x = (w->width() - mainWidget_->width()) / 2;
        x += w->x();
        x = qMax(0, x);
        int y = (w->height() - mainWidget_->height()) / 2;
        y += w->y();
        y = qMax(0, y);
        dialog_->move(x, y);
    }

    hide();

    dialog_->show();
    connect (dialog_, SIGNAL(finished (int)), this, SLOT(dialogClosed ()));
286 287 288 289
}

//-----------------------------------------------------------------------------

290 291 292 293 294 295 296 297 298 299 300
void QtSlideWindow::dialogClosed() {

    dialog_ = 0;
    mainWidget_->setParent(0);

    setWidget(mainWidget_);
    setWindowFlags(Qt::Window | Qt::CustomizeWindowHint | Qt::WindowTitleHint);

    show();

    updateGeometry();
301 302 303 304
}

//-----------------------------------------------------------------------------

305 306 307 308 309
void QtSlideWindow::autohidePressed() {

    if(!autohideButton_->isChecked() && down_) {
        slideUp();
    }
310 311 312 313
}

//-----------------------------------------------------------------------------

314 315 316
void QtSlideWindow::updateParentGeometry() {

    startP_.setX(10);
317
    startP_.setY(parentWidget()->geometry().height() - geometry().height());
318

319
    endP_.setX(10);
320
    endP_.setY(parentWidget()->geometry().height() - (size().height() - geometry().height()));
321 322 323 324
}

//-----------------------------------------------------------------------------

325 326 327 328 329
void QtSlideWindow::animationFinished() {

    animating_ = false;
}

330 331
//-----------------------------------------------------------------------------

332
void QtSlideWindow::slideUp() {
333

334 335 336 337 338 339 340 341 342 343 344
    if(!widget()) return;

    updateParentGeometry();

    down_ = false;
    animating_ = true;

    animation_->setStartValue(endP_);
    animation_->setEndValue(startP_);

    animation_->start();
345 346 347 348
}

//-----------------------------------------------------------------------------

349 350 351 352 353 354
void QtSlideWindow::slideDown() {

    if(!widget()) return;

    updateParentGeometry();

355 356 357 358 359 360 361
    timer_->start(WAIT_UNTIL_SLIDE_DOWN);
}

//-----------------------------------------------------------------------------

void QtSlideWindow::startSlideDownAnimation() {

362 363 364 365 366 367 368
    down_ = true;
    animating_ = true;

    animation_->setStartValue(startP_);
    animation_->setEndValue(endP_);

    animation_->start();
369 370 371 372
}

//-----------------------------------------------------------------------------

373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392
void QtSlideWindow::updateGeometry() {

    if (parentWidget() && widget()) {

        updateParentGeometry();

        resize(parentWidget()->geometry().width() - 20, widget()->size().height());

        if(down_) {
            setPos(endP_);
        } else {
            setPos(startP_);
        }

        if (autohideButton_) {
            autohideButton_->setPos(geometry().width() - 12, -13);
        }
        if (detachButton_) {
            detachButton_->setPos(geometry().width() - 25, -13);
        }
Jan Möbius's avatar
Jan Möbius committed
393
    }
394 395
}

Jan Möbius's avatar
Dennis:  
Jan Möbius committed
396 397
//-----------------------------------------------------------------------------

398 399 400 401 402 403
void QtSlideWindow::saveState(QSettings &_settings) {

    _settings.setValue("AutoHide", autohideButton_->isChecked());
    _settings.setValue("Detached", (dialog_ != 0));
    _settings.setValue("WidgedGeometry", (mainWidget_) ? mainWidget_->saveGeometry() : QByteArray());
    _settings.setValue("DialogGeometry", (dialog_) ? dialog_->saveGeometry() : QByteArray());
Jan Möbius's avatar
Dennis:  
Jan Möbius committed
404 405 406 407
}

//-----------------------------------------------------------------------------

408 409 410 411 412 413
void QtSlideWindow::restoreState(QSettings &_settings) {

    autohideButton_->setChecked(_settings.value("AutoHide", autohideButton_->isChecked()).toBool());

    if (_settings.value("Detached", false).toBool() && !dialog_ && mainWidget_) {
        detachPressed();
Jan Möbius's avatar
Dennis:  
Jan Möbius committed
414
    }
415 416 417

    if (mainWidget_) {
        mainWidget_->restoreGeometry(_settings.value("WidgedGeometry").toByteArray());
418
    }
Jan Möbius's avatar
Dennis:  
Jan Möbius committed
419

420
    if (autohideButton_->isChecked()) {
Jan Möbius's avatar
Dennis:  
Jan Möbius committed
421

422 423 424 425 426 427 428
    } else {
        if (!mainWidget_->isVisible()) {
            setWidget(mainWidget_);
            setWindowFlags(Qt::Window | Qt::CustomizeWindowHint | Qt::WindowTitleHint);
            show();
        }
    }
Jan Möbius's avatar
Dennis:  
Jan Möbius committed
429

430 431
    if (dialog_)
        dialog_->restoreGeometry(_settings.value("DialogGeometry").toByteArray());
Jan Möbius's avatar
Dennis:  
Jan Möbius committed
432 433
}

434
//=============================================================================
Jan Möbius's avatar
Jan Möbius committed
435