diff options
Diffstat (limited to 'examples/widgets/painting/fontsampler')
-rw-r--r-- | examples/widgets/painting/fontsampler/fontsampler.pro | 12 | ||||
-rw-r--r-- | examples/widgets/painting/fontsampler/main.cpp | 61 | ||||
-rw-r--r-- | examples/widgets/painting/fontsampler/mainwindow.cpp | 362 | ||||
-rw-r--r-- | examples/widgets/painting/fontsampler/mainwindow.h | 96 | ||||
-rw-r--r-- | examples/widgets/painting/fontsampler/mainwindowbase.ui | 142 |
5 files changed, 0 insertions, 673 deletions
diff --git a/examples/widgets/painting/fontsampler/fontsampler.pro b/examples/widgets/painting/fontsampler/fontsampler.pro deleted file mode 100644 index 5d3461f4b8..0000000000 --- a/examples/widgets/painting/fontsampler/fontsampler.pro +++ /dev/null @@ -1,12 +0,0 @@ -QT += widgets -requires(qtConfig(combobox)) -qtHaveModule(printsupport): QT += printsupport - -FORMS = mainwindowbase.ui -HEADERS = mainwindow.h -SOURCES = main.cpp \ - mainwindow.cpp - -# install -target.path = $$[QT_INSTALL_EXAMPLES]/widgets/painting/fontsampler -INSTALLS += target diff --git a/examples/widgets/painting/fontsampler/main.cpp b/examples/widgets/painting/fontsampler/main.cpp deleted file mode 100644 index 1bf46b226f..0000000000 --- a/examples/widgets/painting/fontsampler/main.cpp +++ /dev/null @@ -1,61 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2016 The Qt Company Ltd. -** Contact: https://www.qt.io/licensing/ -** -** This file is part of the examples of the Qt Toolkit. -** -** $QT_BEGIN_LICENSE:BSD$ -** Commercial License Usage -** Licensees holding valid commercial Qt licenses may use this file in -** accordance with the commercial license agreement provided with the -** Software or, alternatively, in accordance with the terms contained in -** a written agreement between you and The Qt Company. For licensing terms -** and conditions see https://www.qt.io/terms-conditions. For further -** information use the contact form at https://www.qt.io/contact-us. -** -** BSD License Usage -** Alternatively, 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 The Qt Company Ltd 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 <QApplication> - -#include "mainwindow.h" - -int main(int argc, char *argv[]) -{ - QApplication app(argc, argv); - MainWindow window; - window.show(); - return app.exec(); -} diff --git a/examples/widgets/painting/fontsampler/mainwindow.cpp b/examples/widgets/painting/fontsampler/mainwindow.cpp deleted file mode 100644 index b3304b4b6d..0000000000 --- a/examples/widgets/painting/fontsampler/mainwindow.cpp +++ /dev/null @@ -1,362 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2016 The Qt Company Ltd. -** Contact: https://www.qt.io/licensing/ -** -** This file is part of the examples of the Qt Toolkit. -** -** $QT_BEGIN_LICENSE:BSD$ -** Commercial License Usage -** Licensees holding valid commercial Qt licenses may use this file in -** accordance with the commercial license agreement provided with the -** Software or, alternatively, in accordance with the terms contained in -** a written agreement between you and The Qt Company. For licensing terms -** and conditions see https://www.qt.io/terms-conditions. For further -** information use the contact form at https://www.qt.io/contact-us. -** -** BSD License Usage -** Alternatively, 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 The Qt Company Ltd 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 <QtWidgets> -#if defined(QT_PRINTSUPPORT_LIB) -#include <QtPrintSupport/qtprintsupportglobal.h> -#if QT_CONFIG(printdialog) -#include <QPrinter> -#include <QPrintDialog> -#if QT_CONFIG(printpreviewdialog) -#include <QPrintPreviewDialog> -#endif -#endif -#endif - -#include "mainwindow.h" - -MainWindow::MainWindow(QWidget *parent) - : QMainWindow(parent) -{ - setupUi(this); - - sampleSizes << 32 << 24 << 16 << 14 << 12 << 8 << 4 << 2 << 1; - markedCount = 0; - setupFontTree(); - - connect(quitAction, &QAction::triggered, - qApp, &QApplication::quit); - connect(fontTree, &QTreeWidget::currentItemChanged, - this, &MainWindow::showFont); - connect(fontTree, &QTreeWidget::itemChanged, - this, &MainWindow::updateStyles); - - fontTree->topLevelItem(0)->setSelected(true); - showFont(fontTree->topLevelItem(0)); -} - -void MainWindow::setupFontTree() -{ - QFontDatabase database; - fontTree->setColumnCount(1); - fontTree->setHeaderLabels({ tr("Font") }); - - const QStringList fontFamilies = database.families(); - for (const QString &family : fontFamilies) { - const QStringList styles = database.styles(family); - if (styles.isEmpty()) - continue; - - QTreeWidgetItem *familyItem = new QTreeWidgetItem(fontTree); - familyItem->setText(0, family); - familyItem->setCheckState(0, Qt::Unchecked); - familyItem->setFlags(familyItem->flags() | Qt::ItemIsAutoTristate); - - for (const QString &style : styles) { - QTreeWidgetItem *styleItem = new QTreeWidgetItem(familyItem); - styleItem->setText(0, style); - styleItem->setCheckState(0, Qt::Unchecked); - styleItem->setData(0, Qt::UserRole, QVariant(database.weight(family, style))); - styleItem->setData(0, Qt::UserRole + 1, QVariant(database.italic(family, style))); - } - } -} - -void MainWindow::on_clearAction_triggered() -{ - const QList<QTreeWidgetItem *> items = fontTree->selectedItems(); - for (QTreeWidgetItem *item : items) - item->setSelected(false); - fontTree->currentItem()->setSelected(true); -} - -void MainWindow::on_markAction_triggered() -{ - markUnmarkFonts(Qt::Checked); -} - -void MainWindow::on_unmarkAction_triggered() -{ - markUnmarkFonts(Qt::Unchecked); -} - -void MainWindow::markUnmarkFonts(Qt::CheckState state) -{ - const QList<QTreeWidgetItem *> items = fontTree->selectedItems(); - for (QTreeWidgetItem *item : items) { - if (item->checkState(0) != state) - item->setCheckState(0, state); - } -} - -void MainWindow::showFont(QTreeWidgetItem *item) -{ - if (!item) - return; - - QString family; - QString style; - int weight; - bool italic; - - if (item->parent()) { - family = item->parent()->text(0); - style = item->text(0); - weight = item->data(0, Qt::UserRole).toInt(); - italic = item->data(0, Qt::UserRole + 1).toBool(); - } else { - family = item->text(0); - style = item->child(0)->text(0); - weight = item->child(0)->data(0, Qt::UserRole).toInt(); - italic = item->child(0)->data(0, Qt::UserRole + 1).toBool(); - } - - QString oldText = textEdit->toPlainText().trimmed(); - bool modified = textEdit->document()->isModified(); - textEdit->clear(); - QFont font(family, 32, weight, italic); - font.setStyleName(style); - textEdit->document()->setDefaultFont(font); - - QTextCursor cursor = textEdit->textCursor(); - QTextBlockFormat blockFormat; - blockFormat.setAlignment(Qt::AlignCenter); - cursor.insertBlock(blockFormat); - - if (modified) - cursor.insertText(QString(oldText)); - else - cursor.insertText(QString("%1 %2").arg(family).arg(style)); - - textEdit->document()->setModified(modified); -} - -void MainWindow::updateStyles(QTreeWidgetItem *item, int column) -{ - if (!item || column != 0) - return; - - Qt::CheckState state = item->checkState(0); - QTreeWidgetItem *parent = item->parent(); - - if (parent) { - // Only count style items. - if (state == Qt::Checked) - ++markedCount; - else - --markedCount; - } - - printAction->setEnabled(markedCount > 0); - printPreviewAction->setEnabled(markedCount > 0); -} - -QMap<QString, StyleItems> MainWindow::currentPageMap() -{ - QMap<QString, StyleItems> pageMap; - - for (int row = 0; row < fontTree->topLevelItemCount(); ++row) { - QTreeWidgetItem *familyItem = fontTree->topLevelItem(row); - QString family; - - if (familyItem->checkState(0) == Qt::Checked) { - family = familyItem->text(0); - pageMap[family] = StyleItems(); - } - - for (int childRow = 0; childRow < familyItem->childCount(); ++childRow) { - QTreeWidgetItem *styleItem = familyItem->child(childRow); - if (styleItem->checkState(0) == Qt::Checked) - pageMap[family].append(styleItem); - } - } - - return pageMap; -} - -void MainWindow::on_printAction_triggered() -{ -#if defined(QT_PRINTSUPPORT_LIB) && QT_CONFIG(printdialog) - pageMap = currentPageMap(); - - if (pageMap.count() == 0) - return; - - QPrinter printer(QPrinter::HighResolution); - QPrintDialog dialog(&printer, this); - if (dialog.exec() != QDialog::Accepted) - return; - - int from = printer.fromPage(); - int to = printer.toPage(); - if (from <= 0 && to <= 0) - printer.setFromTo(1, pageMap.keys().count()); - - printDocument(&printer); -#endif -} - -void MainWindow::printDocument(QPrinter *printer) -{ -#if defined(QT_PRINTSUPPORT_LIB) && QT_CONFIG(printdialog) - printer->setFromTo(1, pageMap.count()); - - QProgressDialog progress(tr("Preparing font samples..."), tr("&Cancel"), - 0, pageMap.count(), this); - progress.setWindowModality(Qt::ApplicationModal); - progress.setWindowTitle(tr("Font Sampler")); - progress.setMinimum(printer->fromPage() - 1); - progress.setMaximum(printer->toPage()); - - QPainter painter; - painter.begin(printer); - bool firstPage = true; - - for (int page = printer->fromPage(); page <= printer->toPage(); ++page) { - - if (!firstPage) - printer->newPage(); - - qApp->processEvents(); - if (progress.wasCanceled()) - break; - - printPage(page - 1, &painter, printer); - progress.setValue(page); - firstPage = false; - } - - painter.end(); -#endif -} - -void MainWindow::on_printPreviewAction_triggered() -{ -#if defined(QT_PRINTSUPPORT_LIB) && QT_CONFIG(printpreviewdialog) - pageMap = currentPageMap(); - - if (pageMap.count() == 0) - return; - - QPrinter printer(QPrinter::HighResolution); - QPrintPreviewDialog preview(&printer, this); - connect(&preview, &QPrintPreviewDialog::paintRequested, - this, &MainWindow::printDocument); - preview.exec(); -#endif -} - -void MainWindow::printPage(int index, QPainter *painter, QPrinter *printer) -{ -#if defined(QT_PRINTSUPPORT_LIB) && QT_CONFIG(printdialog) - const QString family = (pageMap.begin() + index).key(); - const StyleItems items = pageMap.value(family); - - // Find the dimensions of the text on each page. - qreal width = 0.0; - qreal height = 0.0; - for (const QTreeWidgetItem *item : items) { - QString style = item->text(0); - int weight = item->data(0, Qt::UserRole).toInt(); - bool italic = item->data(0, Qt::UserRole + 1).toBool(); - - // Calculate the maximum width and total height of the text. - for (int size : qAsConst(sampleSizes)) { - QFont font(family, size, weight, italic); - font.setStyleName(style); - font = QFont(font, painter->device()); - QFontMetricsF fontMetrics(font); - QRectF rect = fontMetrics.boundingRect( - QString("%1 %2").arg(family).arg(style)); - width = qMax(rect.width(), width); - height += rect.height(); - } - } - - qreal xScale = printer->pageRect().width() / width; - qreal yScale = printer->pageRect().height() / height; - qreal scale = qMin(xScale, yScale); - - qreal remainingHeight = printer->pageRect().height()/scale - height; - qreal spaceHeight = (remainingHeight / 4.0) / (items.count() + 1); - qreal interLineHeight = (remainingHeight / 4.0) / (sampleSizes.count() * items.count()); - - painter->save(); - painter->translate(printer->pageRect().width() / 2.0, printer->pageRect().height() / 2.0); - painter->scale(scale, scale); - painter->setBrush(QBrush(Qt::black)); - - qreal x = -width / 2.0; - qreal y = -height / 2.0 - remainingHeight / 4.0 + spaceHeight; - - for (const QTreeWidgetItem *item : items) { - QString style = item->text(0); - int weight = item->data(0, Qt::UserRole).toInt(); - bool italic = item->data(0, Qt::UserRole + 1).toBool(); - - // Draw each line of text. - for (int size : qAsConst(sampleSizes)) { - QFont font(family, size, weight, italic); - font.setStyleName(style); - font = QFont(font, painter->device()); - QFontMetricsF fontMetrics(font); - QRectF rect = fontMetrics.boundingRect(QString("%1 %2").arg( - font.family()).arg(style)); - y += rect.height(); - painter->setFont(font); - painter->drawText(QPointF(x, y), QString("%1 %2").arg(family).arg(style)); - y += interLineHeight; - } - y += spaceHeight; - } - - painter->restore(); -#endif -} diff --git a/examples/widgets/painting/fontsampler/mainwindow.h b/examples/widgets/painting/fontsampler/mainwindow.h deleted file mode 100644 index 34e54440d4..0000000000 --- a/examples/widgets/painting/fontsampler/mainwindow.h +++ /dev/null @@ -1,96 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2016 The Qt Company Ltd. -** Contact: https://www.qt.io/licensing/ -** -** This file is part of the examples of the Qt Toolkit. -** -** $QT_BEGIN_LICENSE:BSD$ -** Commercial License Usage -** Licensees holding valid commercial Qt licenses may use this file in -** accordance with the commercial license agreement provided with the -** Software or, alternatively, in accordance with the terms contained in -** a written agreement between you and The Qt Company. For licensing terms -** and conditions see https://www.qt.io/terms-conditions. For further -** information use the contact form at https://www.qt.io/contact-us. -** -** BSD License Usage -** Alternatively, 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 The Qt Company Ltd 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." -** -** $QT_END_LICENSE$ -** -****************************************************************************/ - -#ifndef MAINWINDOW_H -#define MAINWINDOW_H - -#include "ui_mainwindowbase.h" - -#if defined(QT_PRINTSUPPORT_LIB) -#include <QtPrintSupport/qtprintsupportglobal.h> -#endif -QT_BEGIN_NAMESPACE -class QPrinter; -class QTextEdit; -class QTreeWidget; -class QTreeWidgetItem; -QT_END_NAMESPACE - -typedef QList<QTreeWidgetItem *> StyleItems; - -class MainWindow : public QMainWindow, private Ui::MainWindowBase -{ - Q_OBJECT - -public: - MainWindow(QWidget *parent = nullptr); - -public slots: - void on_clearAction_triggered(); - void on_markAction_triggered(); - void on_unmarkAction_triggered(); - void on_printAction_triggered(); - void on_printPreviewAction_triggered(); - void printDocument(QPrinter *printer); - void printPage(int index, QPainter *painter, QPrinter *printer); - void showFont(QTreeWidgetItem *item); - void updateStyles(QTreeWidgetItem *item, int column); - -private: - QMap<QString, StyleItems> currentPageMap(); - void markUnmarkFonts(Qt::CheckState state); - void setupFontTree(); - - QList<int> sampleSizes; - QMap<QString, StyleItems> pageMap; - int markedCount; -}; - -#endif // MAINWINDOW_H diff --git a/examples/widgets/painting/fontsampler/mainwindowbase.ui b/examples/widgets/painting/fontsampler/mainwindowbase.ui deleted file mode 100644 index 1a95ebd6d1..0000000000 --- a/examples/widgets/painting/fontsampler/mainwindowbase.ui +++ /dev/null @@ -1,142 +0,0 @@ -<?xml version="1.0" encoding="UTF-8"?> -<ui version="4.0"> - <class>MainWindowBase</class> - <widget class="QMainWindow" name="MainWindowBase"> - <property name="geometry"> - <rect> - <x>0</x> - <y>0</y> - <width>800</width> - <height>345</height> - </rect> - </property> - <property name="windowTitle"> - <string>Font Sampler</string> - </property> - <widget class="QWidget" name="centralwidget"> - <layout class="QVBoxLayout"> - <property name="spacing"> - <number>6</number> - </property> - <property name="margin"> - <number>9</number> - </property> - <item> - <widget class="QTextEdit" name="textEdit"/> - </item> - </layout> - </widget> - <widget class="QMenuBar" name="menubar"> - <property name="geometry"> - <rect> - <x>0</x> - <y>0</y> - <width>800</width> - <height>18</height> - </rect> - </property> - <widget class="QMenu" name="menu_Selection"> - <property name="title"> - <string>&Selection</string> - </property> - <addaction name="markAction"/> - <addaction name="unmarkAction"/> - <addaction name="clearAction"/> - </widget> - <widget class="QMenu" name="menu_File"> - <property name="title"> - <string>&File</string> - </property> - <addaction name="printPreviewAction"/> - <addaction name="printAction"/> - <addaction name="quitAction"/> - </widget> - <addaction name="menu_File"/> - <addaction name="menu_Selection"/> - </widget> - <widget class="QStatusBar" name="statusbar"/> - <widget class="QDockWidget" name="dockWidget"> - <property name="features"> - <set>QDockWidget::DockWidgetFloatable|QDockWidget::DockWidgetMovable</set> - </property> - <property name="windowTitle"> - <string>Available Fonts</string> - </property> - <attribute name="dockWidgetArea"> - <number>1</number> - </attribute> - <widget class="QWidget" name="dockWidgetContents"> - <layout class="QVBoxLayout"> - <property name="spacing"> - <number>6</number> - </property> - <property name="margin"> - <number>9</number> - </property> - <item> - <widget class="QTreeWidget" name="fontTree"> - <property name="selectionMode"> - <enum>QAbstractItemView::ExtendedSelection</enum> - </property> - <column> - <property name="text"> - <string notr="true">1</string> - </property> - </column> - </widget> - </item> - </layout> - </widget> - </widget> - <action name="printAction"> - <property name="enabled"> - <bool>false</bool> - </property> - <property name="text"> - <string>&Print...</string> - </property> - <property name="shortcut"> - <string>Ctrl+P</string> - </property> - </action> - <action name="quitAction"> - <property name="text"> - <string>E&xit</string> - </property> - <property name="shortcut"> - <string>Ctrl+Q</string> - </property> - </action> - <action name="markAction"> - <property name="text"> - <string>&Mark</string> - </property> - <property name="shortcut"> - <string>Ctrl+M</string> - </property> - </action> - <action name="unmarkAction"> - <property name="text"> - <string>&Unmark</string> - </property> - <property name="shortcut"> - <string>Ctrl+U</string> - </property> - </action> - <action name="clearAction"> - <property name="text"> - <string>&Clear</string> - </property> - </action> - <action name="printPreviewAction"> - <property name="enabled"> - <bool>false</bool> - </property> - <property name="text"> - <string>Print Preview...</string> - </property> - </action> - </widget> - <resources/> - <connections/> -</ui> |