manhattanstyle.cpp 41.3 KB
Newer Older
con's avatar
con committed
1 2 3 4
/***************************************************************************
**
** This file is part of Qt Creator
**
5
** Copyright (c) 2008-2009 Nokia Corporation and/or its subsidiary(-ies).
con's avatar
con committed
6 7 8
**
** Contact:  Qt Software Information (qt-info@nokia.com)
**
9 10 11
**
** Non-Open Source Usage
**
con's avatar
con committed
12 13 14
** Licensees may use this file in accordance with the Qt Beta Version
** License Agreement, Agreement version 2.2 provided with the Software or,
** alternatively, in accordance with the terms contained in a written
15 16 17 18
** agreement between you and Nokia.
**
** GNU General Public License Usage
**
con's avatar
con committed
19 20 21 22 23 24 25 26 27 28
** Alternatively, this file may be used under the terms of the GNU General
** Public License versions 2.0 or 3.0 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the packaging
** of this file.  Please review the following information to ensure GNU
** General Public Licensing requirements will be met:
**
** http://www.fsf.org/licensing/licenses/info/GPLv2.html and
** http://www.gnu.org/copyleft/gpl.html.
**
** In addition, as a special exception, Nokia gives you certain additional
29
** rights. These rights are described in the Nokia Qt GPL Exception
30
** version 1.3, included in the file GPL_EXCEPTION.txt in this package.
31 32
**
***************************************************************************/
con's avatar
con committed
33 34

#include "manhattanstyle.h"
hjk's avatar
hjk committed
35

con's avatar
con committed
36 37
#include "stylehelper.h"
#include "styleanimator.h"
hjk's avatar
hjk committed
38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63

#include <QtCore/QDebug>
#include <QtCore/QLibrary>

#include <QtGui/QApplication>
#include <QtGui/QComboBox>
#include <QtGui/QDialog>
#include <QtGui/QDialogButtonBox>
#include <QtGui/QDockWidget>
#include <QtGui/QLabel>
#include <QtGui/QLineEdit>
#include <QtGui/QMainWindow>
#include <QtGui/QMenuBar>
#include <QtGui/QPainter>
#include <QtGui/QPixmap>
#include <QtGui/QPixmapCache>
#include <QtGui/QPushButton>
#include <QtGui/QScrollArea>
#include <QtGui/QSplitter>
#include <QtGui/QStatusBar>
#include <QtGui/QStyleFactory>
#include <QtGui/QStyleOption>
#include <QtGui/QToolBar>
#include <QtGui/QToolButton>

#include <utils/qtcassert.h>
con's avatar
con committed
64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103

// We define a currently unused state for indicating animations
#define State_Animating 0x00000040

// Because designer needs to disable this for widget previews
// we have a custom property that is inherited
bool styleEnabled(const QWidget *widget)
{
    const QWidget *p = widget;
    while (p) {
        if (p->property("_q_custom_style_disabled").toBool())
            return false;
            p = p->parentWidget();
    }
    return true;
}

// Consider making this a QStyle state
bool panelWidget(const QWidget *widget)
{
    const QWidget *p = widget;

    while (p) {
        if (qobject_cast<const QToolBar *>(p) && styleEnabled(p))
            return true;
        else if (qobject_cast<const QStatusBar *>(p) && styleEnabled(p))
            return true;
        else if (qobject_cast<const QMenuBar *>(p) && styleEnabled(p))
            return true;
        p = p->parentWidget();
    }
    return false;
}

class ManhattanStylePrivate
{
public:
    ManhattanStylePrivate(const QString &baseStyleName)
    {
        style = QStyleFactory::create(baseStyleName);
hjk's avatar
hjk committed
104
        QTC_ASSERT(style, /**/);
105 106
        buttonImage_pressed = QImage(":/core/images/pushbutton_pressed.png");
        buttonImage = QImage(":/core/images/pushbutton.png");
con's avatar
con committed
107

108 109
        lineeditImage = QImage(":/core/images/inputfield.png");
        lineeditImage_disabled = QImage(":/core/images/inputfield_disabled.png");
con's avatar
con committed
110 111
    }

hjk's avatar
hjk committed
112 113
    ~ManhattanStylePrivate()
    {
con's avatar
con committed
114 115 116 117 118
        delete style;
        style = 0;
    }

    void init();
hjk's avatar
hjk committed
119 120

public:
con's avatar
con committed
121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149
    QStyle *style;
    QImage buttonImage;
    QImage buttonImage_pressed;
    QImage lineeditImage;
    QImage lineeditImage_disabled;

    StyleAnimator animator;
};

ManhattanStyle::ManhattanStyle(const QString &baseStyleName)
    : QWindowsStyle(), d(new ManhattanStylePrivate(baseStyleName))
{
}

ManhattanStyle::~ManhattanStyle()
{
    delete d;
    d = 0;
}

// Draws a CSS-like border image where the defined borders are not stretched
void drawCornerImage(const QImage &img, QPainter *painter, QRect rect,
                     int left = 0, int top = 0, int right = 0,
                     int bottom = 0)
{
    QSize size = img.size();
    if (top > 0) { //top
        painter->drawImage(QRect(rect.left() + left, rect.top(), rect.width() -right - left, top), img,
                           QRect(left, 0, size.width() -right - left, top));
hjk's avatar
hjk committed
150
        if (left > 0) //top-left
con's avatar
con committed
151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202
            painter->drawImage(QRect(rect.left(), rect.top(), left, top), img,
                               QRect(0, 0, left, top));
        if (right > 0) //top-right
            painter->drawImage(QRect(rect.left() + rect.width() - right, rect.top(), right, top), img,
                               QRect(size.width() - right, 0, right, top));
    }
    //left
    if (left > 0)
        painter->drawImage(QRect(rect.left(), rect.top()+top, left, rect.height() - top - bottom), img,
                           QRect(0, top, left, size.height() - bottom - top));
    //center
    painter->drawImage(QRect(rect.left() + left, rect.top()+top, rect.width() -right - left,
                             rect.height() - bottom - top), img,
                       QRect(left, top, size.width() -right -left,
                             size.height() - bottom - top));
    if (right > 0) //right
        painter->drawImage(QRect(rect.left() +rect.width() - right, rect.top()+top, right, rect.height() - top - bottom), img,
                           QRect(size.width() - right, top, right, size.height() - bottom - top));
    if (bottom > 0) { //bottom
        painter->drawImage(QRect(rect.left() +left, rect.top() + rect.height() - bottom,
                                 rect.width() - right - left, bottom), img,
                           QRect(left, size.height() - bottom,
                                 size.width() - right - left, bottom));
    if (left > 0) //bottom-left
        painter->drawImage(QRect(rect.left(), rect.top() + rect.height() - bottom, left, bottom), img,
                           QRect(0, size.height() - bottom, left, bottom));
    if (right > 0) //bottom-right
        painter->drawImage(QRect(rect.left() + rect.width() - right, rect.top() + rect.height() - bottom, right, bottom), img,
                           QRect(size.width() - right, size.height() - bottom, right, bottom));
    }
}

QPixmap ManhattanStyle::generatedIconPixmap(QIcon::Mode iconMode, const QPixmap &pixmap, const QStyleOption *opt) const
{
    QPixmap result;
    result = d->style->generatedIconPixmap(iconMode, pixmap, opt);
    return result;
}

int ManhattanStyle::layoutSpacingImplementation(QSizePolicy::ControlType control1,
                                                 QSizePolicy::ControlType control2,
                                                 Qt::Orientation orientation,
                                                 const QStyleOption * option ,
                                                 const QWidget * widget ) const
{
    return d->style->layoutSpacing(control1, control2, orientation, option, widget);

}

QSize ManhattanStyle::sizeFromContents(ContentsType type, const QStyleOption *option,
                                       const QSize &size, const QWidget *widget) const
{
203 204
    QSize newSize = d->style->sizeFromContents(type, option, size, widget);

con's avatar
con committed
205 206
    if (type == CT_Splitter && widget && widget->property("minisplitter").toBool())
        return QSize(1, 1);
207 208 209
    else if (type == CT_ComboBox && panelWidget(widget))
        newSize += QSize(10, 0);
    return newSize;
con's avatar
con committed
210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354
}

QRect ManhattanStyle::subElementRect(SubElement element, const QStyleOption *option, const QWidget *widget) const
{
    QRect rect;
    rect = d->style->subElementRect(element, option, widget);
    return rect;
}

QRect ManhattanStyle::subControlRect(ComplexControl control, const QStyleOptionComplex *option,
                                     SubControl subControl, const QWidget *widget) const
{
    QRect rect;
    rect = d->style->subControlRect(control, option, subControl, widget);
    return rect;
}

QStyle::SubControl ManhattanStyle::hitTestComplexControl(ComplexControl control, const QStyleOptionComplex *option,
                                                         const QPoint &pos, const QWidget *widget) const
{
    SubControl result = QStyle::SC_None;
    result = d->style->hitTestComplexControl(control, option, pos, widget);
    return result;
}

int ManhattanStyle::pixelMetric(PixelMetric metric, const QStyleOption *option, const QWidget *widget) const
{
    int retval = 0;
    retval = d->style->pixelMetric(metric, option, widget);
    switch (metric) {
    case PM_SplitterWidth:
        if (widget && widget->property("minisplitter").toBool())
            retval = 1;
        break;
    case PM_ToolBarIconSize:
        if (panelWidget(widget))
            retval = 16;
        break;
    case PM_MenuPanelWidth:
    case PM_MenuBarHMargin:
    case PM_MenuBarVMargin:
    case PM_ToolBarFrameWidth:
        if (panelWidget(widget))
            retval = 1;
        break;
    case PM_ButtonShiftVertical:
    case PM_ButtonShiftHorizontal:
    case PM_MenuBarPanelWidth:
    case PM_ToolBarItemMargin:
    case PM_ToolBarItemSpacing:
        if (panelWidget(widget))
            retval = 0;
        break;
    case PM_DefaultFrameWidth:
        if (qobject_cast<const QLineEdit*>(widget) && panelWidget(widget))
            return 1;
        break;
    default:
        break;
    }
    return retval;
}

QPalette ManhattanStyle::standardPalette() const
{
    QPalette result;
    result = d->style->standardPalette();
    return result;
}

void ManhattanStyle::polish(QApplication *app)
{
    d->style->polish(app);
}

void ManhattanStyle::unpolish(QApplication *app)
{
    d->style->unpolish(app);
}

QPalette panelPalette(const QPalette &oldPalette)
{
    QColor color = StyleHelper::panelTextColor();
    QPalette pal = oldPalette;
    pal.setBrush(QPalette::All, QPalette::WindowText, color);
    pal.setBrush(QPalette::All, QPalette::ButtonText, color);
    pal.setBrush(QPalette::All, QPalette::Foreground, color);
    color.setAlpha(100);
    pal.setBrush(QPalette::Disabled, QPalette::WindowText, color);
    pal.setBrush(QPalette::Disabled, QPalette::ButtonText, color);
    pal.setBrush(QPalette::Disabled, QPalette::Foreground, color);
    return pal;
}

void ManhattanStyle::polish(QWidget *widget)
{
    d->style->polish(widget);

    // OxygenStyle forces a rounded widget mask on toolbars
    if (d->style->inherits("OxygenStyle")) {
        if (qobject_cast<QToolBar*>(widget))
            widget->removeEventFilter(d->style);
    }
    if (panelWidget(widget)) {
        if (qobject_cast<QToolButton*>(widget)) {
            widget->setAttribute(Qt::WA_Hover);
            widget->setMaximumHeight(StyleHelper::navigationWidgetHeight() - 2);
        }
        else if (qobject_cast<QLineEdit*>(widget)) {
            widget->setAttribute(Qt::WA_Hover);
            widget->setMaximumHeight(StyleHelper::navigationWidgetHeight() - 2);
        }
        else if (qobject_cast<QLabel*>(widget))
            widget->setPalette(panelPalette(widget->palette()));
        else if (qobject_cast<QToolBar*>(widget))
            widget->setMinimumHeight(StyleHelper::navigationWidgetHeight());
        else if (qobject_cast<QStatusBar*>(widget))
            widget->setFixedHeight(StyleHelper::navigationWidgetHeight() + 2);
        else if (qobject_cast<QComboBox*>(widget))
            widget->setMaximumHeight(StyleHelper::navigationWidgetHeight() - 2);
    }
}

void ManhattanStyle::unpolish(QWidget *widget)
{
    d->style->unpolish(widget);
    if (panelWidget(widget)) {
        if (qobject_cast<QTabBar*>(widget))
            widget->setAttribute(Qt::WA_Hover, false);
        else if (qobject_cast<QToolBar*>(widget))
            widget->setAttribute(Qt::WA_Hover, false);
    }
}

void ManhattanStyle::polish(QPalette &pal)
{
    d->style->polish(pal);
}

QIcon ManhattanStyle::standardIconImplementation(StandardPixmap standardIcon, const QStyleOption *option,
                                                 const QWidget *widget) const
{
    QIcon icon;
    switch (standardIcon) {
    case QStyle::SP_TitleBarCloseButton:
355 356
    case QStyle::SP_ToolBarHorizontalExtensionButton:
        return QIcon(standardPixmap(standardIcon, option, widget));
con's avatar
con committed
357 358 359 360 361 362 363 364 365
    default:
        icon = d->style->standardIcon(standardIcon, option, widget);
    }
    return icon;
}

QPixmap ManhattanStyle::standardPixmap(StandardPixmap standardPixmap, const QStyleOption *opt,
                                       const QWidget *widget) const
{
366 367 368
    if (widget && !panelWidget(widget))
        return d->style->standardPixmap(standardPixmap, opt, widget);

con's avatar
con committed
369 370
    QPixmap pixmap;
    switch (standardPixmap) {
371 372 373 374 375 376 377 378 379
    case QStyle::SP_ToolBarHorizontalExtensionButton: {
            static const QPixmap extButton(":/core/images/extension.png");
            pixmap = extButton;
        }
        break;
    case QStyle::SP_TitleBarCloseButton: {
            static const QPixmap closeButton(":/core/images/closebutton.png");
            pixmap = closeButton;
        }
con's avatar
con committed
380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497
        break;
    default:
        pixmap = d->style->standardPixmap(standardPixmap, opt, widget);
    }
    return pixmap;
}


int ManhattanStyle::styleHint(StyleHint hint, const QStyleOption *option, const QWidget *widget,
                              QStyleHintReturn *returnData) const
{
    int ret = 0;
    switch (hint) {
    case QStyle::SH_EtchDisabledText:
        ret = false; // We really should only enforce this for panel widgets
        break;
    default:
        ret =  d->style->styleHint(hint, option, widget, returnData);
    }

    return ret;
}

void ManhattanStyle::drawPrimitive(PrimitiveElement element, const QStyleOption *option,
                                   QPainter *painter, const QWidget *widget) const
{
    if (!panelWidget(widget))
        return d->style->drawPrimitive(element, option, painter, widget);

    bool animating = (option->state & State_Animating);
    int state = option->state;
    QRect rect = option->rect;
    QRect oldRect;
    QRect newRect;
    if (widget && (element == PE_PanelButtonTool) && !animating) {
        QWidget *w = const_cast<QWidget *> (widget);
        int oldState = w->property("_q_stylestate").toInt();
        oldRect = w->property("_q_stylerect").toRect();
        newRect = w->rect();
        w->setProperty("_q_stylestate", (int)option->state);
        w->setProperty("_q_stylerect", w->rect());

        // Determine the animated transition
        bool doTransition = ((state & State_On)         != (oldState & State_On)     ||
                             (state & State_MouseOver)  != (oldState & State_MouseOver));
        if (oldRect != newRect)
        {
            doTransition = false;
            d->animator.stopAnimation(widget);
        }

        if (doTransition) {
            QImage startImage(option->rect.size(), QImage::Format_ARGB32_Premultiplied);
            QImage endImage(option->rect.size(), QImage::Format_ARGB32_Premultiplied);
            Animation *anim = d->animator.widgetAnimation(widget);
            QStyleOption opt = *option;
            opt.state = (QStyle::State)oldState;
            opt.state |= (State)State_Animating;
            startImage.fill(0);
            Transition *t = new Transition;
            t->setWidget(w);
            QPainter startPainter(&startImage);
            if (!anim) {
                drawPrimitive(element, &opt, &startPainter, widget);
            } else {
                anim->paint(&startPainter, &opt);
                d->animator.stopAnimation(widget);
            }
            QStyleOption endOpt = *option;
            endOpt.state |= (State)State_Animating;
            t->setStartImage(startImage);
            d->animator.startAnimation(t);
            endImage.fill(0);
            QPainter endPainter(&endImage);
            drawPrimitive(element, &endOpt, &endPainter, widget);
            t->setEndImage(endImage);
            t->setDuration(130);
            t->setStartTime(QTime::currentTime());
        }
    }

    switch (element) {
    case PE_PanelLineEdit:
        {
            painter->save();
            if (option->state & State_Enabled)
                drawCornerImage(d->lineeditImage, painter, option->rect, 2, 2, 2, 2);
            else
                drawCornerImage(d->lineeditImage_disabled, painter, option->rect, 2, 2, 2, 2);

            if (option->state & State_HasFocus || option->state & State_MouseOver) {
                QColor hover = StyleHelper::baseColor();
                if (state & State_HasFocus)
                    hover.setAlpha(100);
                else
                    hover.setAlpha(50);

                painter->setPen(QPen(hover, 1));
                painter->drawRect(option->rect.adjusted(1, 1, -2 ,-2));
            }
            painter->restore();
        }
        break;

    case PE_FrameStatusBarItem:
        break;

    case PE_PanelButtonTool: {
            Animation *anim = d->animator.widgetAnimation(widget);
            if (!animating && anim) {
                anim->paint(painter, option);
            } else {
                bool pressed = option->state & State_Sunken || option->state & State_On;
                QColor shadow(0, 0, 0, 30);
                painter->setPen(shadow);
                if (pressed) {
                    QColor shade(0, 0, 0, 50);
                    if (option->state & State_Sunken)
Jens Bache-Wiig's avatar
Jens Bache-Wiig committed
498
                        shade = QColor(0, 0, 0, 50);
con's avatar
con committed
499 500
#ifndef Q_WS_MAC
                    else if (option->state & State_MouseOver)
Jens Bache-Wiig's avatar
Jens Bache-Wiig committed
501
                        shade = QColor(255, 255, 255, 10);
con's avatar
con committed
502 503 504 505 506 507 508 509 510 511 512 513 514 515 516
#endif
                    else if (option->state & State_On)
                        shade = QColor(0, 0, 0, 50);
                    else
                        shade = QColor(0, 0, 0, 0);
                    painter->fillRect(rect.adjusted(1, 1, -1, -1), shade);
                    painter->drawLine(rect.topLeft(), rect.topRight());
                    painter->drawLine(rect.topLeft(), rect.bottomLeft());
                    QColor highlight(255, 255, 255, 30);
                    painter->setPen(highlight);
                    painter->drawLine(rect.topRight(), rect.bottomRight());
                    painter->drawLine(rect.bottomLeft(), rect.bottomRight());
                }
 #ifndef Q_WS_MAC
               else if (option->state & State_MouseOver) {
Jens Bache-Wiig's avatar
Jens Bache-Wiig committed
517
                    QColor lighter(255, 255, 255, 35);
con's avatar
con committed
518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607
                    painter->fillRect(rect, lighter);
                    painter->drawLine(rect.topRight(), rect.bottomRight());
                }
#endif
           }
        }
        break;

    case PE_PanelStatusBar:
        {
            painter->save();
            QLinearGradient grad(option->rect.topLeft(), QPoint(rect.center().x(), rect.bottom()));
            QColor startColor = StyleHelper::shadowColor().darker(164);
            QColor endColor = StyleHelper::baseColor().darker(130);
            grad.setColorAt(0, startColor);
            grad.setColorAt(1, endColor);
            painter->fillRect(option->rect, grad);
            painter->setPen(QColor(255, 255, 255, 60));
            painter->drawLine(rect.topLeft() + QPoint(0,1),
                              rect.topRight()+ QPoint(0,1));
            painter->setPen(StyleHelper::borderColor().darker(110));
            painter->drawLine(rect.topLeft(), rect.topRight());
            painter->restore();
        }
        break;

    case PE_IndicatorToolBarSeparator:
        {
            QColor separatorColor = StyleHelper::borderColor();
            separatorColor.setAlpha(100);
            painter->setPen(separatorColor);
            const int margin = 6;
            if (option->state & State_Horizontal) {
                const int offset = rect.width()/2;
                painter->drawLine(rect.bottomLeft().x() + offset,
                            rect.bottomLeft().y() - margin,
                            rect.topLeft().x() + offset,
                            rect.topLeft().y() + margin);
            } else { //Draw vertical separator
                const int offset = rect.height()/2;
                painter->setPen(QPen(option->palette.background().color().darker(110)));
                painter->drawLine(rect.topLeft().x() + margin ,
                            rect.topLeft().y() + offset,
                            rect.topRight().x() - margin,
                            rect.topRight().y() + offset);
            }
        }
        break;

    case PE_IndicatorToolBarHandle:
        {
            bool horizontal = option->state & State_Horizontal;
            painter->save();
            QPainterPath path;
            int x = option->rect.x() + horizontal ? 2 : 6;
            int y = option->rect.y() + horizontal ? 6 : 2;
            static const int RectHeight = 2;
            if (horizontal) {
                while (y < option->rect.height() - RectHeight - 6) {
                    path.moveTo(x, y);
                    path.addRect(x, y, RectHeight, RectHeight);
                    y += 6;
                }
            } else {
                while (x < option->rect.width() - RectHeight - 6) {
                    path.moveTo(x, y);
                    path.addRect(x, y, RectHeight, RectHeight);
                    x += 6;
                }
            }

            painter->setPen(Qt::NoPen);
            QColor dark = StyleHelper::borderColor();
            dark.setAlphaF(0.4);

            QColor light = StyleHelper::baseColor();
            light.setAlphaF(0.4);

            painter->fillPath(path, light);
            painter->save();
            painter->translate(1, 1);
            painter->fillPath(path, dark);
            painter->restore();
            painter->translate(3, 3);
            painter->fillPath(path, light);
            painter->translate(1, 1);
            painter->fillPath(path, dark);
            painter->restore();
        }
        break;
608 609 610 611 612 613 614 615 616 617 618 619 620 621 622 623 624 625 626 627 628 629 630 631 632 633 634 635 636 637 638 639 640 641 642 643 644 645 646 647 648 649 650 651 652 653 654 655 656 657 658 659 660 661 662 663 664 665 666 667 668 669 670 671
    case PE_IndicatorArrowUp:
    case PE_IndicatorArrowDown:
    case PE_IndicatorArrowRight:
    case PE_IndicatorArrowLeft:
        {
            // From windowsstyle but modified to enable AA
            if (option->rect.width() <= 1 || option->rect.height() <= 1)
                break;

            QRect r = option->rect;
            int size = qMin(r.height(), r.width());
            QPixmap pixmap;
            QString pixmapName;
            pixmapName.sprintf("%s-%s-%d-%d-%d-%lld",
                               "$qt_ia", metaObject()->className(),
                               uint(option->state), element,
                               size, option->palette.cacheKey());
            if (!QPixmapCache::find(pixmapName, pixmap)) {
                int border = size/5;
                int sqsize = 2*(size/2);
                QImage image(sqsize, sqsize, QImage::Format_ARGB32);
                image.fill(Qt::transparent);
                QPainter imagePainter(&image);
                imagePainter.setRenderHint(QPainter::Antialiasing, true);
                imagePainter.translate(0.5, 0.5);
                QPolygon a;
                switch (element) {
                    case PE_IndicatorArrowUp:
                        a.setPoints(3, border, sqsize/2,  sqsize/2, border,  sqsize - border, sqsize/2);
                        break;
                    case PE_IndicatorArrowDown:
                        a.setPoints(3, border, sqsize/2,  sqsize/2, sqsize - border,  sqsize - border, sqsize/2);
                        break;
                    case PE_IndicatorArrowRight:
                        a.setPoints(3, sqsize - border, sqsize/2,  sqsize/2, border,  sqsize/2, sqsize - border);
                        break;
                    case PE_IndicatorArrowLeft:
                        a.setPoints(3, border, sqsize/2,  sqsize/2, border,  sqsize/2, sqsize - border);
                        break;
                    default:
                        break;
                }

                int bsx = 0;
                int bsy = 0;

                if (option->state & State_Sunken) {
                    bsx = pixelMetric(PM_ButtonShiftHorizontal);
                    bsy = pixelMetric(PM_ButtonShiftVertical);
                }

                QRect bounds = a.boundingRect();
                int sx = sqsize / 2 - bounds.center().x() - 1;
                int sy = sqsize / 2 - bounds.center().y() - 1;
                imagePainter.translate(sx + bsx, sy + bsy);

                if (!(option->state & State_Enabled)) {
                    imagePainter.translate(1, 1);
                    imagePainter.setBrush(option->palette.light().color());
                    imagePainter.setPen(option->palette.light().color());
                    imagePainter.drawPolygon(a);
                    imagePainter.translate(-1, -1);
                    imagePainter.setBrush(option->palette.mid().color());
                    imagePainter.setPen(option->palette.mid().color());
Jens Bache-Wiig's avatar
Jens Bache-Wiig committed
672 673 674 675 676 677 678 679 680 681
                } else {
                    QColor shadow(0, 0, 0, 50);
                    imagePainter.translate(0, 1);
                    imagePainter.setPen(shadow);
                    imagePainter.setBrush(shadow);
                    QColor foreGround(255, 255, 255, 220);
                    imagePainter.drawPolygon(a);
                    imagePainter.translate(0, -1);
                    imagePainter.setPen(foreGround);
                    imagePainter.setBrush(foreGround);
682 683 684 685 686 687 688 689 690 691 692
                }
                imagePainter.drawPolygon(a);
                imagePainter.end();
                pixmap = QPixmap::fromImage(image);
                QPixmapCache::insert(pixmapName, pixmap);
            }
            int xOffset = r.x() + (r.width() - size)/2;
            int yOffset = r.y() + (r.height() - size)/2;
            painter->drawPixmap(xOffset, yOffset, pixmap);
        }
        break;
con's avatar
con committed
693 694 695 696 697 698 699 700 701 702 703 704 705 706 707 708 709 710 711 712 713 714 715 716 717 718 719 720 721 722 723 724 725 726 727 728 729 730 731 732 733 734 735 736 737 738 739 740 741 742 743 744 745 746 747 748 749 750 751 752 753 754 755 756 757 758 759 760 761 762 763 764 765 766 767 768 769 770 771 772 773 774 775 776 777 778 779

    default:
        d->style->drawPrimitive(element, option, painter, widget);
        break;
    }
}

void ManhattanStyle::drawControl(ControlElement element, const QStyleOption *option,
                                 QPainter *painter, const QWidget *widget) const
{
    if (!panelWidget(widget))
        return d->style->drawControl(element, option, painter, widget);

    switch (element) {
    case CE_MenuBarItem:
        painter->save();
        if (const QStyleOptionMenuItem *mbi = qstyleoption_cast<const QStyleOptionMenuItem *>(option)) {
            QColor highlightOutline = StyleHelper::borderColor().lighter(120);
            bool act = mbi->state & State_Selected && mbi->state & State_Sunken;
            bool dis = !(mbi->state & State_Enabled);
            StyleHelper::menuGradient(painter, option->rect, option->rect);
            QStyleOptionMenuItem item = *mbi;
            item.rect = mbi->rect;
            QPalette pal = mbi->palette;
            pal.setBrush(QPalette::ButtonText, dis ? Qt::gray : Qt::black);
            item.palette = pal;
            QCommonStyle::drawControl(element, &item, painter, widget);
            QRect r = option->rect;

            if (act) {
                // Fill|
                QColor baseColor = StyleHelper::baseColor();
                QLinearGradient grad(option->rect.topLeft(), option->rect.bottomLeft());
                grad.setColorAt(0, baseColor.lighter(120));
                grad.setColorAt(1, baseColor.lighter(130));
                painter->fillRect(option->rect.adjusted(1, 1, -1, 0), grad);

                // Outline
                painter->setPen(QPen(highlightOutline, 0));
                painter->drawLine(QPoint(r.left(), r.top() + 1), QPoint(r.left(), r.bottom()));
                painter->drawLine(QPoint(r.right(), r.top() + 1), QPoint(r.right(), r.bottom()));
                painter->drawLine(QPoint(r.left() + 1, r.top()), QPoint(r.right() - 1, r.top()));
                highlightOutline.setAlpha(60);
                painter->setPen(QPen(highlightOutline, 0));
                painter->drawPoint(r.topLeft());
                painter->drawPoint(r.topRight());

                QPalette pal = mbi->palette;
                uint alignment = Qt::AlignCenter | Qt::TextShowMnemonic | Qt::TextDontClip | Qt::TextSingleLine;
                if (!styleHint(SH_UnderlineShortcut, mbi, widget))
                    alignment |= Qt::TextHideMnemonic;
                pal.setBrush(QPalette::Text, dis ? Qt::gray : QColor(0, 0, 0, 60));
                drawItemText(painter, item.rect.translated(0, 1), alignment, pal, mbi->state & State_Enabled, mbi->text, QPalette::Text);
                pal.setBrush(QPalette::Text, dis ? Qt::gray : Qt::white);
                drawItemText(painter, item.rect, alignment, pal, mbi->state & State_Enabled, mbi->text, QPalette::Text);
            }
        }
        painter->restore();
        break;

    case CE_ComboBoxLabel:
        if (const QStyleOptionComboBox *cb = qstyleoption_cast<const QStyleOptionComboBox *>(option)) {
            if (panelWidget(widget)) {
                QRect editRect = subControlRect(CC_ComboBox, cb, SC_ComboBoxEditField, widget);
                QPalette customPal = cb->palette;

                if (!cb->currentIcon.isNull()) {
                    QIcon::Mode mode = cb->state & State_Enabled ? QIcon::Normal
                                                                 : QIcon::Disabled;
                    QPixmap pixmap = cb->currentIcon.pixmap(cb->iconSize, mode);
                    QRect iconRect(editRect);
                    iconRect.setWidth(cb->iconSize.width() + 4);
                    iconRect = alignedRect(cb->direction,
                                           Qt::AlignLeft | Qt::AlignVCenter,
                                           iconRect.size(), editRect);
                    if (cb->editable)
                        painter->fillRect(iconRect, customPal.brush(QPalette::Base));
                    drawItemPixmap(painter, iconRect, Qt::AlignCenter, pixmap);

                    if (cb->direction == Qt::RightToLeft)
                        editRect.translate(-4 - cb->iconSize.width(), 0);
                    else
                        editRect.translate(cb->iconSize.width() + 4, 0);
                }

                customPal.setBrush(QPalette::All, QPalette::ButtonText, QColor(0, 0, 0, 70));

780 781
                // Reserve some space for the down-arrow
                QRect rect = editRect.adjusted(0, 0, -8, 0);
con's avatar
con committed
782 783 784 785 786 787 788 789 790 791 792 793 794 795 796 797 798 799 800 801 802 803 804 805 806 807 808 809 810 811 812 813 814 815 816 817 818 819 820 821 822 823 824 825 826 827 828 829 830 831 832 833 834 835 836 837 838 839 840 841 842 843 844 845 846 847 848 849 850 851 852 853 854 855 856 857 858 859 860 861 862 863 864 865 866 867 868 869 870 871 872 873 874 875 876 877 878 879 880 881 882 883 884 885 886 887 888 889 890 891 892 893 894 895 896 897 898 899 900 901 902 903 904 905 906 907 908 909 910 911 912 913 914 915 916 917 918 919 920 921 922
                QString text = option->fontMetrics.elidedText(cb->currentText, Qt::ElideRight, rect.width());
                drawItemText(painter, rect.translated(0, 1),
                             visualAlignment(option->direction, Qt::AlignLeft | Qt::AlignVCenter),
                             customPal, cb->state & State_Enabled, text, QPalette::ButtonText);
                customPal.setBrush(QPalette::All, QPalette::ButtonText, StyleHelper::panelTextColor());
                drawItemText(painter, rect,
                             visualAlignment(option->direction, Qt::AlignLeft | Qt::AlignVCenter),
                             customPal, cb->state & State_Enabled, text, QPalette::ButtonText);
            } else {
                d->style->drawControl(element, option, painter, widget);
            }
        }
        break;

    case CE_SizeGrip: {
            painter->save();
            QColor dark = Qt::white;
            dark.setAlphaF(0.1);
            int x, y, w, h;
            option->rect.getRect(&x, &y, &w, &h);
            int sw = qMin(h, w);
            if (h > w)
                painter->translate(0, h - w);
            else
                painter->translate(w - h, 0);
            int sx = x;
            int sy = y;
            int s = 4;
            painter->setPen(dark);
            if (option->direction == Qt::RightToLeft) {
                sx = x + sw;
                for (int i = 0; i < 4; ++i) {
                    painter->drawLine(x, sy, sx, sw);
                    sx -= s;
                    sy += s;
                }
            } else {
                for (int i = 0; i < 4; ++i) {
                    painter->drawLine(sx, sw, sw, sy);
                    sx += s;
                    sy += s;
                }
            }
            painter->restore();
        }
        break;

    case CE_MenuBarEmptyArea: {
            StyleHelper::menuGradient(painter, option->rect, option->rect);
            painter->save();
            painter->setPen(StyleHelper::borderColor());
            painter->drawLine(option->rect.bottomLeft(), option->rect.bottomRight());
            painter->restore();
        }
        break;

    case CE_ToolBar:
        {
            QString key;
            key.sprintf("mh_toolbar %d %d %d", option->rect.width(), option->rect.height(), StyleHelper::baseColor().rgb());;

            QPixmap pixmap;
            QPainter *p = painter;
            QRect rect = option->rect;
            if (StyleHelper::usePixmapCache() && !QPixmapCache::find(key, pixmap)) {
                pixmap = QPixmap(option->rect.size());
                p = new QPainter(&pixmap);
                rect = QRect(0, 0, option->rect.width(), option->rect.height());
            }

            bool horizontal = option->state & State_Horizontal;
            // Map offset for global window gradient
            QPoint offset = widget->window()->mapToGlobal(option->rect.topLeft()) -
                                                          widget->mapToGlobal(option->rect.topLeft());
            QRect gradientSpan;
            if (widget) {
                gradientSpan = QRect(offset, widget->window()->size());
            }
            if (horizontal)
                StyleHelper::horizontalGradient(p, gradientSpan, rect);
            else
                StyleHelper::verticalGradient(p, gradientSpan, rect);

            painter->setPen(StyleHelper::borderColor());

            if (horizontal) {
                // Note: This is a hack to determine if we are the topmost
                // toolbar and menu bar should draw the outline
                QColor lighter(255, 255, 255, 40);
                if (widget->mapToParent(rect.topLeft()).y()) {
                    p->drawLine(rect.topLeft(), rect.topRight());
                    p->setPen(lighter);
                    p->drawLine(rect.topLeft() + QPoint(0, 1), rect.topRight() + QPoint(0, 1));
                } else {
                    p->drawLine(rect.bottomLeft(), rect.bottomRight());
                    p->setPen(lighter);
                    p->drawLine(rect.topLeft(), rect.topRight());
                }
            } else {
                p->drawLine(rect.topLeft(), rect.bottomLeft());
                p->drawLine(rect.topRight(), rect.bottomRight());
            }

            if (StyleHelper::usePixmapCache() && !QPixmapCache::find(key, pixmap)) {
                painter->drawPixmap(rect.topLeft(), pixmap);
                p->end();
                delete p;
                QPixmapCache::insert(key, pixmap);
            }
        }
        break;

    default:
        d->style->drawControl(element, option, painter, widget);
        break;
    }
}

void ManhattanStyle::drawComplexControl(ComplexControl control, const QStyleOptionComplex *option,
                                        QPainter *painter, const QWidget *widget) const
{
    if (!panelWidget(widget))
         return d->style->drawComplexControl(control, option, painter, widget);

    QRect rect = option->rect;
    switch (control) {
    case CC_ToolButton:
        if (const QStyleOptionToolButton *toolbutton = qstyleoption_cast<const QStyleOptionToolButton *>(option)) {
            QString buttonType = widget->property("type").toString();
            QRect button, menuarea;
            button = subControlRect(control, toolbutton, SC_ToolButton, widget);
            menuarea = subControlRect(control, toolbutton, SC_ToolButtonMenu, widget);

            State bflags = toolbutton->state;
            if (bflags & State_AutoRaise) {
                if (!(bflags & State_MouseOver)) {
                    bflags &= ~State_Raised;
                }
            }

            State mflags = bflags;
923 924 925 926 927 928
            if (toolbutton->state & State_Sunken) {
                if (toolbutton->activeSubControls & SC_ToolButton)
                    bflags |= State_Sunken;
                if (toolbutton->activeSubControls & SC_ToolButtonMenu)
                    mflags |= State_Sunken;
            }
con's avatar
con committed
929 930 931 932 933 934 935 936 937 938 939 940 941 942 943 944 945 946 947 948 949 950 951 952 953 954 955 956 957 958 959 960 961 962 963 964 965 966 967 968 969 970 971 972 973 974 975 976 977 978 979 980 981 982 983 984 985 986 987 988 989 990 991 992 993 994 995 996

            QStyleOption tool(0);
            tool.palette = toolbutton->palette;
            if (toolbutton->subControls & SC_ToolButton) {
                if (buttonType == "dockbutton") {
                    tool.rect = button;
                    tool.state = bflags;
                    drawPrimitive(PE_PanelButtonTool, &tool, painter, widget);
                } else {  // paint status bar button style
                    if (bflags & State_Sunken || bflags & State_On)
                        drawCornerImage(d->buttonImage_pressed, painter, option->rect, 2, 2, 2, 2);
                    else if (bflags & State_Enabled) {
#ifndef Q_WS_MAC
                        if (bflags & State_MouseOver) {
                            drawCornerImage(d->buttonImage, painter, option->rect, 2, 2, 2, 2);
                            QColor shade(255, 255, 255, 50);
                            painter->fillRect(button.adjusted(1, 1, -1, -1), shade);
                        }
#endif
                    }

                }
            }

            if (toolbutton->state & State_HasFocus) {
                QStyleOptionFocusRect fr;
                fr.QStyleOption::operator=(*toolbutton);
                fr.rect.adjust(3, 3, -3, -3);
                if (toolbutton->features & QStyleOptionToolButton::MenuButtonPopup)
                    fr.rect.adjust(0, 0, -pixelMetric(QStyle::PM_MenuButtonIndicator,
                                                      toolbutton, widget), 0);
                QPen oldPen = painter->pen();
                QColor focusColor = StyleHelper::panelTextColor();
                focusColor.setAlpha(120);
                QPen outline(focusColor, 1);
                outline.setStyle(Qt::DotLine);
                painter->setPen(outline);
                QRect r = option->rect.adjusted(2, 2, -2, -2);
                painter->drawRect(r);
                painter->setPen(oldPen);
            }

            QStyleOptionToolButton label = *toolbutton;
            label.palette = panelPalette(option->palette);
            int fw = pixelMetric(PM_DefaultFrameWidth, option, widget);
            label.rect = button.adjusted(fw, fw, -fw, -fw);
            drawControl(CE_ToolButtonLabel, &label, painter, widget);

            if (toolbutton->subControls & SC_ToolButtonMenu) {
                tool.state = mflags;
                tool.rect = menuarea.adjusted(1, 1, -1, -1);
                if (mflags & (State_Sunken | State_On | State_Raised)) {
                    painter->setPen(Qt::gray);
                    painter->drawLine(tool.rect.topLeft(), tool.rect.bottomLeft());
                    if (mflags & (State_Sunken)) {
                        QColor shade(0, 0, 0, 50);
                        painter->fillRect(tool.rect.adjusted(0, -1, 1, 1), shade);
                    }
#ifndef Q_WS_MAC
                    else if (mflags & (State_MouseOver)) {
                        QColor shade(255, 255, 255, 50);
                        painter->fillRect(tool.rect.adjusted(0, -1, 1, 1), shade);
                    }
#endif
                }
                tool.rect = tool.rect.adjusted(2, 2, -2, -2);
                drawPrimitive(PE_IndicatorArrowDown, &tool, painter, widget);
            } else if (toolbutton->features & QStyleOptionToolButton::HasMenu) {
997
                int arrowSize = 6;
con's avatar
con committed
998 999 1000
                QRect ir = toolbutton->rect.adjusted(1, 1, -1, -1);
                QStyleOptionToolButton newBtn = *toolbutton;
                newBtn.palette = panelPalette(option->palette);
1001 1002
                newBtn.rect = QRect(ir.right() - arrowSize - 1,
                                    ir.height() - arrowSize - 2, arrowSize, arrowSize);
1003
                drawPrimitive(PE_IndicatorArrowDown, &newBtn, painter, widget);
con's avatar
con committed
1004 1005 1006 1007 1008 1009 1010 1011 1012
            }
        }
        break;

    case CC_ComboBox:
        {
            painter->save();

            // Draw tool button
Jens Bache-Wiig's avatar
Jens Bache-Wiig committed
1013 1014 1015 1016 1017 1018 1019 1020 1021 1022 1023
            QLinearGradient grad(option->rect.topRight(), option->rect.bottomRight());
            grad.setColorAt(0, Qt::transparent);
            grad.setColorAt(0.4, QColor(255, 255, 255, 30));
            grad.setColorAt(1, Qt::transparent);
            painter->setPen(QPen(grad, 0));
            painter->drawLine(rect.topRight(), rect.bottomRight());
            grad.setColorAt(0, Qt::transparent);
            grad.setColorAt(0.4, QColor(0, 0, 0, 30));
            grad.setColorAt(1, Qt::transparent);
            painter->setPen(QPen(grad, 0));
            painter->drawLine(rect.topRight() - QPoint(1,0), rect.bottomRight() - QPoint(1,0));
con's avatar
con committed
1024 1025 1026
            drawPrimitive(PE_PanelButtonTool, option, painter, widget);

            // Draw arrow
1027
            int menuButtonWidth = 12;
con's avatar
con committed
1028 1029 1030 1031 1032 1033 1034 1035 1036 1037 1038 1039 1040
            bool reverse = option->direction == Qt::RightToLeft;
            int left = !reverse ? rect.right() - menuButtonWidth : rect.left();
            int right = !reverse ? rect.right() : rect.left() + menuButtonWidth;
            QRect arrowRect((left + right) / 2 - 5, rect.center().y() - 3, 9, 9);
            if (option->state & State_On)
                arrowRect.translate(d->style->pixelMetric(PM_ButtonShiftHorizontal, option, widget),
                                    d->style->pixelMetric(PM_ButtonShiftVertical, option, widget));
            QStyleOption arrowOpt = *option;
            arrowOpt.rect = arrowRect;
            QPalette pal = option->palette;
            pal.setBrush(QPalette::All, QPalette::ButtonText, StyleHelper::panelTextColor());
            arrowOpt.palette = pal;

1041
            drawPrimitive(PE_IndicatorArrowDown, &arrowOpt, painter, widget);
con's avatar
con committed
1042 1043 1044 1045 1046 1047 1048 1049 1050

            painter->restore();
        }
        break;
    default:
        d->style->drawComplexControl(control, option, painter, widget);
        break;
    }
}