5635823e17
As in the past, to avoid rewriting various autotests that contain line-number information, an extra blank line has been inserted at the end of the license text to ensure that this commit does not change the total number of lines in the license header. Change-Id: I311e001373776812699d6efc045b5f742890c689 Reviewed-by: Rohan McGovern <rohan.mcgovern@nokia.com>
375 lines
12 KiB
C++
375 lines
12 KiB
C++
/****************************************************************************
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**
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** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
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** Contact: http://www.qt-project.org/
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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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**
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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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