diff options
Diffstat (limited to 'tests/manual/examples/widgets/layouts/borderlayout')
7 files changed, 339 insertions, 0 deletions
diff --git a/tests/manual/examples/widgets/layouts/borderlayout/CMakeLists.txt b/tests/manual/examples/widgets/layouts/borderlayout/CMakeLists.txt new file mode 100644 index 0000000000..d217e825d5 --- /dev/null +++ b/tests/manual/examples/widgets/layouts/borderlayout/CMakeLists.txt @@ -0,0 +1,38 @@ +# Copyright (C) 2022 The Qt Company Ltd. +# SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause + +cmake_minimum_required(VERSION 3.16) +project(borderlayout LANGUAGES CXX) + +if(NOT DEFINED INSTALL_EXAMPLESDIR) + set(INSTALL_EXAMPLESDIR "examples") +endif() + +set(INSTALL_EXAMPLEDIR "${INSTALL_EXAMPLESDIR}/widgets/layouts/borderlayout") + +find_package(Qt6 REQUIRED COMPONENTS Core Gui Widgets) + +qt_standard_project_setup() + +qt_add_executable(borderlayout + borderlayout.cpp borderlayout.h + main.cpp + window.cpp window.h +) + +set_target_properties(borderlayout PROPERTIES + WIN32_EXECUTABLE TRUE + MACOSX_BUNDLE TRUE +) + +target_link_libraries(borderlayout PRIVATE + Qt6::Core + Qt6::Gui + Qt6::Widgets +) + +install(TARGETS borderlayout + RUNTIME DESTINATION "${INSTALL_EXAMPLEDIR}" + BUNDLE DESTINATION "${INSTALL_EXAMPLEDIR}" + LIBRARY DESTINATION "${INSTALL_EXAMPLEDIR}" +) diff --git a/tests/manual/examples/widgets/layouts/borderlayout/borderlayout.cpp b/tests/manual/examples/widgets/layouts/borderlayout/borderlayout.cpp new file mode 100644 index 0000000000..4dad24da0d --- /dev/null +++ b/tests/manual/examples/widgets/layouts/borderlayout/borderlayout.cpp @@ -0,0 +1,171 @@ +// Copyright (C) 2016 The Qt Company Ltd. +// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause + +#include "borderlayout.h" + +BorderLayout::BorderLayout(QWidget *parent, const QMargins &margins, int spacing) + : QLayout(parent) +{ + setContentsMargins(margins); + setSpacing(spacing); +} + +BorderLayout::BorderLayout(int spacing) +{ + setSpacing(spacing); +} + + +BorderLayout::~BorderLayout() +{ + QLayoutItem *l; + while ((l = takeAt(0))) + delete l; +} + +void BorderLayout::addItem(QLayoutItem *item) +{ + add(item, West); +} + +void BorderLayout::addWidget(QWidget *widget, Position position) +{ + add(new QWidgetItem(widget), position); +} + +Qt::Orientations BorderLayout::expandingDirections() const +{ + return Qt::Horizontal | Qt::Vertical; +} + +bool BorderLayout::hasHeightForWidth() const +{ + return false; +} + +int BorderLayout::count() const +{ + return list.size(); +} + +QLayoutItem *BorderLayout::itemAt(int index) const +{ + ItemWrapper *wrapper = list.value(index); + return wrapper ? wrapper->item : nullptr; +} + +QSize BorderLayout::minimumSize() const +{ + return calculateSize(MinimumSize); +} + +void BorderLayout::setGeometry(const QRect &rect) +{ + ItemWrapper *center = nullptr; + int eastWidth = 0; + int westWidth = 0; + int northHeight = 0; + int southHeight = 0; + int centerHeight = 0; + int i; + + QLayout::setGeometry(rect); + + for (i = 0; i < list.size(); ++i) { + ItemWrapper *wrapper = list.at(i); + QLayoutItem *item = wrapper->item; + Position position = wrapper->position; + + if (position == North) { + item->setGeometry(QRect(rect.x(), northHeight, rect.width(), + item->sizeHint().height())); + + northHeight += item->geometry().height() + spacing(); + } else if (position == South) { + item->setGeometry(QRect(item->geometry().x(), + item->geometry().y(), rect.width(), + item->sizeHint().height())); + + southHeight += item->geometry().height() + spacing(); + + item->setGeometry(QRect(rect.x(), + rect.y() + rect.height() - southHeight + spacing(), + item->geometry().width(), + item->geometry().height())); + } else if (position == Center) { + center = wrapper; + } + } + + centerHeight = rect.height() - northHeight - southHeight; + + for (i = 0; i < list.size(); ++i) { + ItemWrapper *wrapper = list.at(i); + QLayoutItem *item = wrapper->item; + Position position = wrapper->position; + + if (position == West) { + item->setGeometry(QRect(rect.x() + westWidth, northHeight, + item->sizeHint().width(), centerHeight)); + + westWidth += item->geometry().width() + spacing(); + } else if (position == East) { + item->setGeometry(QRect(item->geometry().x(), item->geometry().y(), + item->sizeHint().width(), centerHeight)); + + eastWidth += item->geometry().width() + spacing(); + + item->setGeometry(QRect( + rect.x() + rect.width() - eastWidth + spacing(), + northHeight, item->geometry().width(), + item->geometry().height())); + } + } + + if (center) + center->item->setGeometry(QRect(westWidth, northHeight, + rect.width() - eastWidth - westWidth, + centerHeight)); +} + +QSize BorderLayout::sizeHint() const +{ + return calculateSize(SizeHint); +} + +QLayoutItem *BorderLayout::takeAt(int index) +{ + if (index >= 0 && index < list.size()) { + ItemWrapper *layoutStruct = list.takeAt(index); + return layoutStruct->item; + } + return nullptr; +} + +void BorderLayout::add(QLayoutItem *item, Position position) +{ + list.append(new ItemWrapper(item, position)); +} + +QSize BorderLayout::calculateSize(SizeType sizeType) const +{ + QSize totalSize; + + for (int i = 0; i < list.size(); ++i) { + ItemWrapper *wrapper = list.at(i); + Position position = wrapper->position; + QSize itemSize; + + if (sizeType == MinimumSize) + itemSize = wrapper->item->minimumSize(); + else // (sizeType == SizeHint) + itemSize = wrapper->item->sizeHint(); + + if (position == North || position == South || position == Center) + totalSize.rheight() += itemSize.height(); + + if (position == West || position == East || position == Center) + totalSize.rwidth() += itemSize.width(); + } + return totalSize; +} diff --git a/tests/manual/examples/widgets/layouts/borderlayout/borderlayout.h b/tests/manual/examples/widgets/layouts/borderlayout/borderlayout.h new file mode 100644 index 0000000000..c1d3ae7204 --- /dev/null +++ b/tests/manual/examples/widgets/layouts/borderlayout/borderlayout.h @@ -0,0 +1,50 @@ +// Copyright (C) 2016 The Qt Company Ltd. +// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause + +#ifndef BORDERLAYOUT_H +#define BORDERLAYOUT_H + +#include <QLayout> +#include <QRect> + +class BorderLayout : public QLayout +{ +public: + enum Position { West, North, South, East, Center }; + + explicit BorderLayout(QWidget *parent, const QMargins &margins = QMargins(), int spacing = -1); + BorderLayout(int spacing = -1); + ~BorderLayout(); + + void addItem(QLayoutItem *item) override; + void addWidget(QWidget *widget, Position position); + Qt::Orientations expandingDirections() const override; + bool hasHeightForWidth() const override; + int count() const override; + QLayoutItem *itemAt(int index) const override; + QSize minimumSize() const override; + void setGeometry(const QRect &rect) override; + QSize sizeHint() const override; + QLayoutItem *takeAt(int index) override; + + void add(QLayoutItem *item, Position position); + +private: + struct ItemWrapper + { + ItemWrapper(QLayoutItem *i, Position p) { + item = i; + position = p; + } + + QLayoutItem *item; + Position position; + }; + + enum SizeType { MinimumSize, SizeHint }; + QSize calculateSize(SizeType sizeType) const; + + QList<ItemWrapper *> list; +}; + +#endif // BORDERLAYOUT_H diff --git a/tests/manual/examples/widgets/layouts/borderlayout/borderlayout.pro b/tests/manual/examples/widgets/layouts/borderlayout/borderlayout.pro new file mode 100644 index 0000000000..53c9647bd7 --- /dev/null +++ b/tests/manual/examples/widgets/layouts/borderlayout/borderlayout.pro @@ -0,0 +1,11 @@ +QT += widgets + +HEADERS = borderlayout.h \ + window.h +SOURCES = borderlayout.cpp \ + main.cpp \ + window.cpp + +# install +target.path = $$[QT_INSTALL_EXAMPLES]/widgets/layouts/borderlayout +INSTALLS += target diff --git a/tests/manual/examples/widgets/layouts/borderlayout/main.cpp b/tests/manual/examples/widgets/layouts/borderlayout/main.cpp new file mode 100644 index 0000000000..27409403a5 --- /dev/null +++ b/tests/manual/examples/widgets/layouts/borderlayout/main.cpp @@ -0,0 +1,14 @@ +// Copyright (C) 2016 The Qt Company Ltd. +// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause + +#include <QApplication> + +#include "window.h" + +int main(int argc, char *argv[]) +{ + QApplication app(argc, argv); + Window window; + window.show(); + return app.exec(); +} diff --git a/tests/manual/examples/widgets/layouts/borderlayout/window.cpp b/tests/manual/examples/widgets/layouts/borderlayout/window.cpp new file mode 100644 index 0000000000..ea3b6a6fe8 --- /dev/null +++ b/tests/manual/examples/widgets/layouts/borderlayout/window.cpp @@ -0,0 +1,31 @@ +// Copyright (C) 2016 The Qt Company Ltd. +// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause + +#include "borderlayout.h" +#include "window.h" +#include <QTextBrowser> +#include <QLabel> + +Window::Window() +{ + QTextBrowser *centralWidget = new QTextBrowser; + centralWidget->setPlainText(tr("Central widget")); + + BorderLayout *layout = new BorderLayout; + layout->addWidget(centralWidget, BorderLayout::Center); + layout->addWidget(createLabel("North"), BorderLayout::North); + layout->addWidget(createLabel("West"), BorderLayout::West); + layout->addWidget(createLabel("East 1"), BorderLayout::East); + layout->addWidget(createLabel("East 2") , BorderLayout::East); + layout->addWidget(createLabel("South"), BorderLayout::South); + setLayout(layout); + + setWindowTitle(tr("Border Layout")); +} + +QLabel *Window::createLabel(const QString &text) +{ + QLabel *label = new QLabel(text); + label->setFrameStyle(QFrame::Box | QFrame::Raised); + return label; +} diff --git a/tests/manual/examples/widgets/layouts/borderlayout/window.h b/tests/manual/examples/widgets/layouts/borderlayout/window.h new file mode 100644 index 0000000000..9e97d0e8fb --- /dev/null +++ b/tests/manual/examples/widgets/layouts/borderlayout/window.h @@ -0,0 +1,24 @@ +// Copyright (C) 2016 The Qt Company Ltd. +// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause + +#ifndef WINDOW_H +#define WINDOW_H + +#include <QWidget> + +QT_BEGIN_NAMESPACE +class QLabel; +QT_END_NAMESPACE + +class Window : public QWidget +{ + Q_OBJECT + +public: + Window(); + +private: + QLabel *createLabel(const QString &text); +}; + +#endif // WINDOW_H |