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50
51
52#include "plugindialog.h"
53#include "interfaces.h"
54
55#include <QDir>
56#include <QGridLayout>
57#include <QHeaderView>
58#include <QLabel>
59#include <QPluginLoader>
60#include <QPushButton>
61#include <QStringList>
62#include <QTreeWidget>
63#include <QTreeWidgetItem>
64
65PluginDialog::PluginDialog(const QString &path, const QStringList &fileNames,
66 QWidget *parent) :
67 QDialog(parent),
68 label(new QLabel),
69 treeWidget(new QTreeWidget),
70 okButton(new QPushButton(tr(s: "OK")))
71{
72 treeWidget->setAlternatingRowColors(false);
73 treeWidget->setSelectionMode(QAbstractItemView::NoSelection);
74 treeWidget->setColumnCount(1);
75 treeWidget->header()->hide();
76
77 okButton->setDefault(true);
78
79 connect(sender: okButton, signal: &QAbstractButton::clicked, receiver: this, slot: &QWidget::close);
80
81 QGridLayout *mainLayout = new QGridLayout;
82 mainLayout->setColumnStretch(column: 0, stretch: 1);
83 mainLayout->setColumnStretch(column: 2, stretch: 1);
84 mainLayout->addWidget(label, row: 0, column: 0, rowSpan: 1, columnSpan: 3);
85 mainLayout->addWidget(treeWidget, row: 1, column: 0, rowSpan: 1, columnSpan: 3);
86 mainLayout->addWidget(okButton, row: 2, column: 1);
87 setLayout(mainLayout);
88
89 interfaceIcon.addPixmap(pixmap: style()->standardPixmap(standardPixmap: QStyle::SP_DirOpenIcon),
90 mode: QIcon::Normal, state: QIcon::On);
91 interfaceIcon.addPixmap(pixmap: style()->standardPixmap(standardPixmap: QStyle::SP_DirClosedIcon),
92 mode: QIcon::Normal, state: QIcon::Off);
93 featureIcon.addPixmap(pixmap: style()->standardPixmap(standardPixmap: QStyle::SP_FileIcon));
94
95 setWindowTitle(tr(s: "Plugin Information"));
96 findPlugins(path, fileNames);
97}
98
99//! [0]
100void PluginDialog::findPlugins(const QString &path,
101 const QStringList &fileNames)
102{
103 label->setText(tr(s: "Plug & Paint found the following plugins\n"
104 "(looked in %1):")
105 .arg(a: QDir::toNativeSeparators(pathName: path)));
106
107 const QDir dir(path);
108
109 const auto staticInstances = QPluginLoader::staticInstances();
110 for (QObject *plugin : staticInstances)
111 populateTreeWidget(plugin, text: tr(s: "%1 (Static Plugin)")
112 .arg(a: plugin->metaObject()->className()));
113
114 for (const QString &fileName : fileNames) {
115 QPluginLoader loader(dir.absoluteFilePath(fileName));
116 QObject *plugin = loader.instance();
117 if (plugin)
118 populateTreeWidget(plugin, text: fileName);
119 }
120}
121//! [0]
122
123//! [1]
124void PluginDialog::populateTreeWidget(QObject *plugin, const QString &text)
125{
126 auto pluginItem = new QTreeWidgetItem(treeWidget);
127 pluginItem->setText(column: 0, atext: text);
128 pluginItem->setExpanded(true);
129
130 QFont boldFont = pluginItem->font(column: 0);
131 boldFont.setBold(true);
132 pluginItem->setFont(column: 0, afont: boldFont);
133
134 if (plugin) {
135 auto iBrush = qobject_cast<BrushInterface *>(object: plugin);
136 if (iBrush)
137 addItems(pluginItem, interfaceName: "BrushInterface", features: iBrush->brushes());
138
139 auto iShape = qobject_cast<ShapeInterface *>(object: plugin);
140 if (iShape)
141 addItems(pluginItem, interfaceName: "ShapeInterface", features: iShape->shapes());
142
143 auto iFilter = qobject_cast<FilterInterface *>(object: plugin);
144 if (iFilter)
145 addItems(pluginItem, interfaceName: "FilterInterface", features: iFilter->filters());
146 }
147}
148//! [1]
149
150void PluginDialog::addItems(QTreeWidgetItem *pluginItem,
151 const char *interfaceName,
152 const QStringList &features)
153{
154 auto interfaceItem = new QTreeWidgetItem(pluginItem);
155 interfaceItem->setText(column: 0, atext: interfaceName);
156 interfaceItem->setIcon(column: 0, aicon: interfaceIcon);
157
158 for (QString feature : features) {
159 if (feature.endsWith(s: "..."))
160 feature.chop(n: 3);
161 auto featureItem = new QTreeWidgetItem(interfaceItem);
162 featureItem->setText(column: 0, atext: feature);
163 featureItem->setIcon(column: 0, aicon: featureIcon);
164 }
165}
166

source code of qtbase/examples/widgets/tools/plugandpaint/app/plugindialog.cpp