e510b6e466
Fixed the include statements added QT+=widgets in examples/network to get them to compile. Will need something better than doing it manually.
375 lines
12 KiB
C++
375 lines
12 KiB
C++
/****************************************************************************
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**
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** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
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** All rights reserved.
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** Contact: Nokia Corporation (qt-info@nokia.com)
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**
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** This file is part of the examples of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:BSD$
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** You may use this file under the terms of the BSD license as follows:
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**
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** "Redistribution and use in source and binary forms, with or without
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** modification, are permitted provided that the following conditions are
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** met:
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** * Redistributions of source code must retain the above copyright
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** notice, this list of conditions and the following disclaimer.
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** * Redistributions in binary form must reproduce the above copyright
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** notice, this list of conditions and the following disclaimer in
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** the documentation and/or other materials provided with the
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** distribution.
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** * Neither the name of Nokia Corporation and its Subsidiary(-ies) nor
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** the names of its contributors may be used to endorse or promote
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** products derived from this software without specific prior written
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** permission.
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**
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** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#include <QtWidgets>
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#include "mydecoration.h"
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/* XPM */
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static const char * const _close_button[] = {
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"16 16 3 1",
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" c none",
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". c #ffafaf",
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"x c #000000",
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" ",
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" xxxxxxxxxxxxxx ",
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" x............x ",
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" x.x........x.x ",
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" x..x......x..x ",
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" x...x....x...x ",
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" x....x..x....x ",
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" x.....xx.....x ",
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" x.....xx.....x ",
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" x....x..x....x ",
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" x...x....x...x ",
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" x..x......x..x ",
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" x.x........x.x ",
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" x............x ",
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" xxxxxxxxxxxxxx ",
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" "};
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static const char * const _normalize_button[] = {
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"16 16 4 1",
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" c none",
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". c #dfdfff",
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"o c #7f7f7f",
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"x c #000000",
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" ",
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" xxxxxxxxxxxxxx ",
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" xx...........x ",
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" x.x..........x ",
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" x..x..x......x ",
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" x...xxx......x ",
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" x...xxx......x ",
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" x..xxxx......x ",
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" x............x ",
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" x.......xxxx.x ",
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" x.......x..x.x ",
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" x.......x..x.x ",
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" x.......xxxx.x ",
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" x............x ",
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" xxxxxxxxxxxxxx ",
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" "};
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static const char * const _maximize_button[] = {
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"16 16 4 1",
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" c none",
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". c #dfdfff",
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"o c #7f7f7f",
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"x c #000000",
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" ",
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" xxxxxxxxxxxxxx ",
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" x............x ",
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" x.......xxxx.x ",
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" x........xxx.x ",
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" x........xxx.x ",
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" x.......x..x.x ",
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" x......x.....x ",
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" x.....x......x ",
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" x.oooo.......x ",
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" x.o..o.......x ",
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" x.o..o.......x ",
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" x.oooo.......x ",
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" x............x ",
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" xxxxxxxxxxxxxx ",
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" "};
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static const char * const _help_button[] = {
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"16 16 3 1",
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" c none",
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". c #afffdf",
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"x c #000000",
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" ",
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" xxxxxxxxxxxxxx ",
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" x............x ",
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" x....xxxx....x ",
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" x..xx....xx..x ",
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" x.xx......xx.x ",
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" x.xx......xx.x ",
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" x........xx..x ",
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" x......xx....x ",
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" x.....xx.....x ",
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" x.....xx.....x ",
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" x............x ",
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" x.....xx.....x ",
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" x............x ",
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" xxxxxxxxxxxxxx ",
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" "};
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//! [constructor start]
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MyDecoration::MyDecoration()
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: QDecorationDefault()
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{
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border = 4;
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titleHeight = 24;
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buttonWidth = 20;
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buttonHeight = 20;
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buttonMargin = 2;
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buttonHints << Qt::Window
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<< Qt::WindowMaximizeButtonHint
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<< Qt::WindowContextHelpButtonHint;
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//! [constructor start]
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//! [map window flags to decoration regions]
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buttonHintMap[Qt::Window] = Close;
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buttonHintMap[Qt::WindowMaximizeButtonHint] = Maximize;
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buttonHintMap[Qt::WindowContextHelpButtonHint] = Help;
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//! [map window flags to decoration regions]
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//! [map decoration regions to pixmaps]
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normalButtonPixmaps[Close] = QPixmap(_close_button);
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normalButtonPixmaps[Maximize] = QPixmap(_maximize_button);
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normalButtonPixmaps[Normalize] = QPixmap(_normalize_button);
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normalButtonPixmaps[Help] = QPixmap(_help_button);
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maximizedButtonPixmaps[Close] = QPixmap(_close_button);
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maximizedButtonPixmaps[Maximize] = QPixmap(_normalize_button);
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maximizedButtonPixmaps[Normalize] = QPixmap(_normalize_button);
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maximizedButtonPixmaps[Help] = QPixmap(_help_button);
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//! [map decoration regions to pixmaps]
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//! [constructor end]
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stateRegions << Close << Maximize << Help;
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}
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//! [constructor end]
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//! [region start]
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QRegion MyDecoration::region(const QWidget *widget, const QRect &insideRect,
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int decorationRegion)
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{
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//! [region start]
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//! [calculate the positions of buttons based on the window flags used]
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QHash<DecorationRegion, int> buttons;
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Qt::WindowFlags flags = widget->windowFlags();
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int dx = -buttonMargin - buttonWidth;
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foreach (Qt::WindowType button, buttonHints) {
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if (flags & button) {
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int x = (buttons.size() + 1) * dx;
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buttons[buttonHintMap[button]] = x;
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}
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}
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//! [calculate the positions of buttons based on the window flags used]
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//! [calculate the extent of the title]
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int titleRightMargin = buttons.size() * dx;
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QRect outsideRect(insideRect.left() - border,
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insideRect.top() - titleHeight - border,
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insideRect.width() + 2 * border,
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insideRect.height() + titleHeight + 2 * border);
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//! [calculate the extent of the title]
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//! [check for all regions]
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QRegion region;
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if (decorationRegion == All) {
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region += QRegion(outsideRect) - QRegion(insideRect);
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return region;
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}
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//! [check for all regions]
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//! [compose a region based on the decorations specified]
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if (decorationRegion & Title) {
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QRect rect = outsideRect.adjusted(border, border, -border, 0);
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rect.setHeight(titleHeight);
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// Adjust the width to accommodate buttons.
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rect.setWidth(qMax(0, rect.width() + titleRightMargin));
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region += rect;
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}
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if (decorationRegion & Top) {
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QRect rect = outsideRect.adjusted(border, 0, -border, 0);
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rect.setHeight(border);
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region += rect;
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}
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if (decorationRegion & Left) {
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QRect rect = outsideRect.adjusted(0, border, 0, -border);
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rect.setWidth(border);
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region += rect;
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}
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if (decorationRegion & Right) {
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QRect rect = outsideRect.adjusted(0, border, 0, -border);
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rect.setLeft(rect.right() + 1 - border);
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region += rect;
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}
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if (decorationRegion & Bottom) {
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QRect rect = outsideRect.adjusted(border, 0, -border, 0);
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rect.setTop(rect.bottom() + 1 - border);
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region += rect;
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}
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if (decorationRegion & TopLeft) {
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QRect rect = outsideRect;
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rect.setWidth(border);
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rect.setHeight(border);
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region += rect;
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}
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if (decorationRegion & TopRight) {
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QRect rect = outsideRect;
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rect.setLeft(rect.right() + 1 - border);
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rect.setHeight(border);
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region += rect;
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}
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if (decorationRegion & BottomLeft) {
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QRect rect = outsideRect;
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rect.setWidth(border);
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rect.setTop(rect.bottom() + 1 - border);
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region += rect;
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}
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if (decorationRegion & BottomRight) {
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QRect rect = outsideRect;
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rect.setLeft(rect.right() + 1 - border);
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rect.setTop(rect.bottom() + 1 - border);
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region += rect;
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}
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//! [compose a region based on the decorations specified]
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//! [add a region for each button only if it is present]
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foreach (QDecoration::DecorationRegion testRegion, stateRegions) {
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if (decorationRegion & testRegion and buttons.contains(testRegion)) {
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// Inside the title rectangle
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QRect rect = outsideRect.adjusted(border, border, -border, 0);
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rect.setHeight(titleHeight);
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dx = buttons[testRegion];
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rect.setLeft(rect.right() + 1 + dx);
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rect.setWidth(buttonWidth + buttonMargin);
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region += rect;
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}
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}
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//! [add a region for each button only if it is present]
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//! [region end]
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return region;
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}
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//! [region end]
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//! [paint start]
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bool MyDecoration::paint(QPainter *painter, const QWidget *widget,
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int decorationRegion, DecorationState state)
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{
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if (decorationRegion == None)
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return false;
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//! [paint start]
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//! [paint different regions]
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bool handled = false;
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QPalette palette = QApplication::palette();
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QHash<DecorationRegion, QPixmap> buttonPixmaps;
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if (widget->windowState() == Qt::WindowMaximized)
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buttonPixmaps = maximizedButtonPixmaps;
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else
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buttonPixmaps = normalButtonPixmaps;
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if (decorationRegion & Title) {
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QRect rect = QDecoration::region(widget, Title).boundingRect();
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painter->fillRect(rect, palette.brush(QPalette::Base));
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painter->save();
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painter->setPen(QPen(palette.color(QPalette::Text)));
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painter->drawText(rect, Qt::AlignCenter, widget->windowTitle());
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painter->restore();
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handled = true;
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}
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if (decorationRegion & Top) {
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QRect rect = QDecoration::region(widget, Top).boundingRect();
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painter->fillRect(rect, palette.brush(QPalette::Dark));
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handled = true;
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}
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if (decorationRegion & Left) {
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QRect rect = QDecoration::region(widget, Left).boundingRect();
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painter->fillRect(rect, palette.brush(QPalette::Dark));
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handled = true;
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}
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if (decorationRegion & Right) {
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QRect rect = QDecoration::region(widget, Right).boundingRect();
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painter->fillRect(rect, palette.brush(QPalette::Dark));
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handled = true;
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}
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if (decorationRegion & Bottom) {
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QRect rect = QDecoration::region(widget, Bottom).boundingRect();
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painter->fillRect(rect, palette.brush(QPalette::Dark));
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handled = true;
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}
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if (decorationRegion & TopLeft) {
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QRect rect = QDecoration::region(widget, TopLeft).boundingRect();
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painter->fillRect(rect, palette.brush(QPalette::Dark));
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handled = true;
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}
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if (decorationRegion & TopRight) {
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QRect rect = QDecoration::region(widget, TopRight).boundingRect();
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painter->fillRect(rect, palette.brush(QPalette::Dark));
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handled = true;
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}
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if (decorationRegion & BottomLeft) {
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QRect rect = QDecoration::region(widget, BottomLeft).boundingRect();
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painter->fillRect(rect, palette.brush(QPalette::Dark));
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handled = true;
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}
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if (decorationRegion & BottomRight) {
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QRect rect = QDecoration::region(widget, BottomRight).boundingRect();
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painter->fillRect(rect, palette.brush(QPalette::Dark));
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handled = true;
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}
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//! [paint different regions]
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//! [paint buttons]
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int margin = (titleHeight - 16) / 2;
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Qt::WindowFlags flags = widget->windowFlags();
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foreach (DecorationRegion testRegion, stateRegions) {
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if (decorationRegion & testRegion && flags & buttonHintMap.key(testRegion)) {
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QRect rect = QDecoration::region(
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widget, testRegion).boundingRect();
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painter->fillRect(rect, palette.brush(QPalette::Base));
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QRect buttonRect = rect.adjusted(0, margin, -buttonMargin - margin,
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-buttonMargin);
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painter->drawPixmap(buttonRect.topLeft(), buttonPixmaps[testRegion]);
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handled = true;
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}
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}
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//! [paint buttons]
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//! [paint end]
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return handled;
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}
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//! [paint end]
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