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+/****************************************************************************
+**
+** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the examples of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:BSD$
+** You may use this file under the terms of the BSD license as follows:
+**
+** "Redistribution and use in source and binary forms, with or without
+** modification, are permitted provided that the following conditions are
+** met:
+** * Redistributions of source code must retain the above copyright
+** notice, this list of conditions and the following disclaimer.
+** * Redistributions in binary form must reproduce the above copyright
+** notice, this list of conditions and the following disclaimer in
+** the documentation and/or other materials provided with the
+** distribution.
+** * Neither the name of Nokia Corporation and its Subsidiary(-ies) nor
+** the names of its contributors may be used to endorse or promote
+** products derived from this software without specific prior written
+** permission.
+**
+** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include <QtGui>
+#include "mydecoration.h"
+
+/* XPM */
+static const char * const _close_button[] = {
+"16 16 3 1",
+" c none",
+". c #ffafaf",
+"x c #000000",
+" ",
+" xxxxxxxxxxxxxx ",
+" x............x ",
+" x.x........x.x ",
+" x..x......x..x ",
+" x...x....x...x ",
+" x....x..x....x ",
+" x.....xx.....x ",
+" x.....xx.....x ",
+" x....x..x....x ",
+" x...x....x...x ",
+" x..x......x..x ",
+" x.x........x.x ",
+" x............x ",
+" xxxxxxxxxxxxxx ",
+" "};
+
+static const char * const _normalize_button[] = {
+"16 16 4 1",
+" c none",
+". c #dfdfff",
+"o c #7f7f7f",
+"x c #000000",
+" ",
+" xxxxxxxxxxxxxx ",
+" xx...........x ",
+" x.x..........x ",
+" x..x..x......x ",
+" x...xxx......x ",
+" x...xxx......x ",
+" x..xxxx......x ",
+" x............x ",
+" x.......xxxx.x ",
+" x.......x..x.x ",
+" x.......x..x.x ",
+" x.......xxxx.x ",
+" x............x ",
+" xxxxxxxxxxxxxx ",
+" "};
+
+static const char * const _maximize_button[] = {
+"16 16 4 1",
+" c none",
+". c #dfdfff",
+"o c #7f7f7f",
+"x c #000000",
+" ",
+" xxxxxxxxxxxxxx ",
+" x............x ",
+" x.......xxxx.x ",
+" x........xxx.x ",
+" x........xxx.x ",
+" x.......x..x.x ",
+" x......x.....x ",
+" x.....x......x ",
+" x.oooo.......x ",
+" x.o..o.......x ",
+" x.o..o.......x ",
+" x.oooo.......x ",
+" x............x ",
+" xxxxxxxxxxxxxx ",
+" "};
+
+static const char * const _help_button[] = {
+"16 16 3 1",
+" c none",
+". c #afffdf",
+"x c #000000",
+" ",
+" xxxxxxxxxxxxxx ",
+" x............x ",
+" x....xxxx....x ",
+" x..xx....xx..x ",
+" x.xx......xx.x ",
+" x.xx......xx.x ",
+" x........xx..x ",
+" x......xx....x ",
+" x.....xx.....x ",
+" x.....xx.....x ",
+" x............x ",
+" x.....xx.....x ",
+" x............x ",
+" xxxxxxxxxxxxxx ",
+" "};
+
+//! [constructor start]
+MyDecoration::MyDecoration()
+ : QDecorationDefault()
+{
+ border = 4;
+ titleHeight = 24;
+ buttonWidth = 20;
+ buttonHeight = 20;
+ buttonMargin = 2;
+ buttonHints << Qt::Window
+ << Qt::WindowMaximizeButtonHint
+ << Qt::WindowContextHelpButtonHint;
+ //! [constructor start]
+
+ //! [map window flags to decoration regions]
+ buttonHintMap[Qt::Window] = Close;
+ buttonHintMap[Qt::WindowMaximizeButtonHint] = Maximize;
+ buttonHintMap[Qt::WindowContextHelpButtonHint] = Help;
+ //! [map window flags to decoration regions]
+
+ //! [map decoration regions to pixmaps]
+ normalButtonPixmaps[Close] = QPixmap(_close_button);
+ normalButtonPixmaps[Maximize] = QPixmap(_maximize_button);
+ normalButtonPixmaps[Normalize] = QPixmap(_normalize_button);
+ normalButtonPixmaps[Help] = QPixmap(_help_button);
+
+ maximizedButtonPixmaps[Close] = QPixmap(_close_button);
+ maximizedButtonPixmaps[Maximize] = QPixmap(_normalize_button);
+ maximizedButtonPixmaps[Normalize] = QPixmap(_normalize_button);
+ maximizedButtonPixmaps[Help] = QPixmap(_help_button);
+ //! [map decoration regions to pixmaps]
+
+ //! [constructor end]
+ stateRegions << Close << Maximize << Help;
+}
+//! [constructor end]
+
+//! [region start]
+QRegion MyDecoration::region(const QWidget *widget, const QRect &insideRect,
+ int decorationRegion)
+{
+ //! [region start]
+ //! [calculate the positions of buttons based on the window flags used]
+ QHash<DecorationRegion, int> buttons;
+ Qt::WindowFlags flags = widget->windowFlags();
+ int dx = -buttonMargin - buttonWidth;
+
+ foreach (Qt::WindowType button, buttonHints) {
+ if (flags & button) {
+ int x = (buttons.size() + 1) * dx;
+ buttons[buttonHintMap[button]] = x;
+ }
+ }
+ //! [calculate the positions of buttons based on the window flags used]
+
+ //! [calculate the extent of the title]
+ int titleRightMargin = buttons.size() * dx;
+
+ QRect outsideRect(insideRect.left() - border,
+ insideRect.top() - titleHeight - border,
+ insideRect.width() + 2 * border,
+ insideRect.height() + titleHeight + 2 * border);
+ //! [calculate the extent of the title]
+
+ //! [check for all regions]
+ QRegion region;
+
+ if (decorationRegion == All) {
+ region += QRegion(outsideRect) - QRegion(insideRect);
+ return region;
+ }
+ //! [check for all regions]
+
+ //! [compose a region based on the decorations specified]
+ if (decorationRegion & Title) {
+ QRect rect = outsideRect.adjusted(border, border, -border, 0);
+ rect.setHeight(titleHeight);
+
+ // Adjust the width to accommodate buttons.
+ rect.setWidth(qMax(0, rect.width() + titleRightMargin));
+ region += rect;
+ }
+ if (decorationRegion & Top) {
+ QRect rect = outsideRect.adjusted(border, 0, -border, 0);
+ rect.setHeight(border);
+ region += rect;
+ }
+ if (decorationRegion & Left) {
+ QRect rect = outsideRect.adjusted(0, border, 0, -border);
+ rect.setWidth(border);
+ region += rect;
+ }
+ if (decorationRegion & Right) {
+ QRect rect = outsideRect.adjusted(0, border, 0, -border);
+ rect.setLeft(rect.right() + 1 - border);
+ region += rect;
+ }
+ if (decorationRegion & Bottom) {
+ QRect rect = outsideRect.adjusted(border, 0, -border, 0);
+ rect.setTop(rect.bottom() + 1 - border);
+ region += rect;
+ }
+ if (decorationRegion & TopLeft) {
+ QRect rect = outsideRect;
+ rect.setWidth(border);
+ rect.setHeight(border);
+ region += rect;
+ }
+ if (decorationRegion & TopRight) {
+ QRect rect = outsideRect;
+ rect.setLeft(rect.right() + 1 - border);
+ rect.setHeight(border);
+ region += rect;
+ }
+ if (decorationRegion & BottomLeft) {
+ QRect rect = outsideRect;
+ rect.setWidth(border);
+ rect.setTop(rect.bottom() + 1 - border);
+ region += rect;
+ }
+ if (decorationRegion & BottomRight) {
+ QRect rect = outsideRect;
+ rect.setLeft(rect.right() + 1 - border);
+ rect.setTop(rect.bottom() + 1 - border);
+ region += rect;
+ }
+ //! [compose a region based on the decorations specified]
+
+ //! [add a region for each button only if it is present]
+ foreach (QDecoration::DecorationRegion testRegion, stateRegions) {
+ if (decorationRegion & testRegion and buttons.contains(testRegion)) {
+ // Inside the title rectangle
+ QRect rect = outsideRect.adjusted(border, border, -border, 0);
+ rect.setHeight(titleHeight);
+
+ dx = buttons[testRegion];
+ rect.setLeft(rect.right() + 1 + dx);
+ rect.setWidth(buttonWidth + buttonMargin);
+ region += rect;
+ }
+ }
+ //! [add a region for each button only if it is present]
+
+ //! [region end]
+ return region;
+}
+//! [region end]
+
+//! [paint start]
+bool MyDecoration::paint(QPainter *painter, const QWidget *widget,
+ int decorationRegion, DecorationState state)
+{
+ if (decorationRegion == None)
+ return false;
+ //! [paint start]
+
+ //! [paint different regions]
+ bool handled = false;
+
+ QPalette palette = QApplication::palette();
+ QHash<DecorationRegion, QPixmap> buttonPixmaps;
+
+ if (widget->windowState() == Qt::WindowMaximized)
+ buttonPixmaps = maximizedButtonPixmaps;
+ else
+ buttonPixmaps = normalButtonPixmaps;
+
+ if (decorationRegion & Title) {
+ QRect rect = QDecoration::region(widget, Title).boundingRect();
+ painter->fillRect(rect, palette.brush(QPalette::Base));
+ painter->save();
+ painter->setPen(QPen(palette.color(QPalette::Text)));
+ painter->drawText(rect, Qt::AlignCenter, widget->windowTitle());
+ painter->restore();
+ handled = true;
+ }
+ if (decorationRegion & Top) {
+ QRect rect = QDecoration::region(widget, Top).boundingRect();
+ painter->fillRect(rect, palette.brush(QPalette::Dark));
+ handled = true;
+ }
+ if (decorationRegion & Left) {
+ QRect rect = QDecoration::region(widget, Left).boundingRect();
+ painter->fillRect(rect, palette.brush(QPalette::Dark));
+ handled = true;
+ }
+ if (decorationRegion & Right) {
+ QRect rect = QDecoration::region(widget, Right).boundingRect();
+ painter->fillRect(rect, palette.brush(QPalette::Dark));
+ handled = true;
+ }
+ if (decorationRegion & Bottom) {
+ QRect rect = QDecoration::region(widget, Bottom).boundingRect();
+ painter->fillRect(rect, palette.brush(QPalette::Dark));
+ handled = true;
+ }
+ if (decorationRegion & TopLeft) {
+ QRect rect = QDecoration::region(widget, TopLeft).boundingRect();
+ painter->fillRect(rect, palette.brush(QPalette::Dark));
+ handled = true;
+ }
+ if (decorationRegion & TopRight) {
+ QRect rect = QDecoration::region(widget, TopRight).boundingRect();
+ painter->fillRect(rect, palette.brush(QPalette::Dark));
+ handled = true;
+ }
+ if (decorationRegion & BottomLeft) {
+ QRect rect = QDecoration::region(widget, BottomLeft).boundingRect();
+ painter->fillRect(rect, palette.brush(QPalette::Dark));
+ handled = true;
+ }
+ if (decorationRegion & BottomRight) {
+ QRect rect = QDecoration::region(widget, BottomRight).boundingRect();
+ painter->fillRect(rect, palette.brush(QPalette::Dark));
+ handled = true;
+ }
+ //! [paint different regions]
+
+ //! [paint buttons]
+ int margin = (titleHeight - 16) / 2;
+ Qt::WindowFlags flags = widget->windowFlags();
+
+ foreach (DecorationRegion testRegion, stateRegions) {
+ if (decorationRegion & testRegion && flags & buttonHintMap.key(testRegion)) {
+ QRect rect = QDecoration::region(
+ widget, testRegion).boundingRect();
+ painter->fillRect(rect, palette.brush(QPalette::Base));
+
+ QRect buttonRect = rect.adjusted(0, margin, -buttonMargin - margin,
+ -buttonMargin);
+ painter->drawPixmap(buttonRect.topLeft(), buttonPixmaps[testRegion]);
+ handled = true;
+ }
+ }
+ //! [paint buttons]
+
+ //! [paint end]
+ return handled;
+}
+//! [paint end]
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