Qt Utilities  6.3.3
Common Qt related C++ classes and routines used by my applications such as dialogs, widgets and models
dialogutils.cpp
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1 #include "./dialogutils.h"
2 
3 #include <QCoreApplication>
4 #include <QDir>
5 #include <QFileInfo>
6 
7 #if defined(QT_UTILITIES_GUI_QTWIDGETS) || defined(QT_UTILITIES_GUI_QTQUICK)
8 #include <QGuiApplication>
9 #include <QPalette>
10 #endif
11 
12 #if defined(QT_UTILITIES_GUI_QTWIDGETS)
13 #include <QApplication>
14 #include <QCursor>
15 #if (QT_VERSION < QT_VERSION_CHECK(5, 10, 0))
16 #include <QDesktopWidget>
17 #endif
18 #include <QScreen>
19 #include <QStyle>
20 #include <QWidget>
21 #endif
22 
23 namespace QtUtilities {
24 
29 QString generateWindowTitle(DocumentStatus documentStatus, const QString &documentPath)
30 {
31  switch (documentStatus) {
32  case DocumentStatus::Saved:
33  if (documentPath.isEmpty()) {
34  return QCoreApplication::translate("Utilities::windowTitle", "Unsaved - %1").arg(QCoreApplication::applicationName());
35  } else {
36  const QFileInfo file(documentPath);
37  return QCoreApplication::translate("Utilities::windowTitle", "%1 - %2 - %3")
38  .arg(file.fileName(), file.dir().path(), QCoreApplication::applicationName());
39  }
41  if (documentPath.isEmpty()) {
42  return QCoreApplication::translate("Utilities::windowTitle", "*Unsaved - %1").arg(QCoreApplication::applicationName());
43  } else {
44  const QFileInfo file(documentPath);
45  return QCoreApplication::translate("Utilities::windowTitle", "*%1 - %2 - %3")
46  .arg(file.fileName(), file.dir().path(), QCoreApplication::applicationName());
47  }
48  case DocumentStatus::NoDocument:
49  return QCoreApplication::applicationName();
50  default:
51  return QString(); // to suppress warning: "control reaches end of non-void
52  // function"
53  }
54 }
55 
56 #if defined(QT_UTILITIES_GUI_QTWIDGETS) || defined(QT_UTILITIES_GUI_QTQUICK)
57 
58 #ifdef Q_OS_WIN32
59 
63 QColor windowFrameColor()
64 {
65  return QGuiApplication::palette().window().color().darker(108);
66 }
67 
71 QColor instructionTextColor()
72 {
73  const auto baseColor = QGuiApplication::palette().base().color();
74  return (baseColor.value() > 204 && baseColor.saturation() < 63) ? QColor(0x00, 0x33, 0x99) : QGuiApplication::palette().text().color();
75 }
76 
77 #endif
78 
83 const QString &dialogStyle()
84 {
85 #ifdef Q_OS_WIN32
86  static const auto style = QStringLiteral("#mainWidget { color: palette(text); background-color: "
87  "palette(base); border: none; }"
88  "#bottomWidget { background-color: palette(window); "
89  "color: palette(window-text); border-top: 1px solid %1; }"
90  "QMessageBox QLabel, QInputDialog QLabel, "
91  "*[classNames~=\"heading\"] { font-size: 12pt; color: %2; "
92  "}"
93  "*[classNames~=\"input-invalid\"] { color: red; }")
94  .arg(windowFrameColor().name(), instructionTextColor().name());
95 #else
96  static const auto style = QStringLiteral("*[classNames~=\"heading\"] { font-weight: bold; }"
97  "*[classNames~=\"input-invalid\"] { color: red; }");
98 #endif
99  return style;
100 }
101 
102 #ifdef QT_UTILITIES_GUI_QTWIDGETS
103 
104 QRect availableScreenGeometryAtPoint(const QPoint &point)
105 {
106 #if (QT_VERSION >= QT_VERSION_CHECK(5, 10, 0))
107  QScreen *const screen = QGuiApplication::screenAt(point);
108  if (!screen) {
109  return QRect();
110  }
111  return screen->availableGeometry();
112 #else
113  return QApplication::desktop()->availableGeometry(point);
114 #endif
115 }
116 
124 void centerWidget(QWidget *widget, const QWidget *parent, const QPoint *position)
125 {
126  widget->setGeometry(QStyle::alignedRect(Qt::LeftToRight, Qt::AlignCenter, widget->size(),
127  parent ? parent->geometry() : availableScreenGeometryAtPoint(position ? *position : QCursor::pos())));
128 }
129 
137 void cornerWidget(QWidget *widget, const QPoint *position)
138 {
139  const QPoint cursorPos(position ? *position : QCursor::pos());
140  const QRect availableGeometry(availableScreenGeometryAtPoint(cursorPos));
141  const Qt::Alignment alignment
142  = (cursorPos.x() - availableGeometry.left() < availableGeometry.right() - cursorPos.x() ? Qt::AlignLeft : Qt::AlignRight)
143  | (cursorPos.y() - availableGeometry.top() < availableGeometry.bottom() - cursorPos.y() ? Qt::AlignTop : Qt::AlignBottom);
144  widget->setGeometry(QStyle::alignedRect(Qt::LeftToRight, alignment, widget->size(), availableGeometry));
145 }
146 
150 void makeHeading(QWidget *widget)
151 {
152  widget->setProperty("classNames", widget->property("classNames").toStringList() << QStringLiteral("heading"));
153 }
154 
161 void updateStyle(QWidget *widget)
162 {
163  widget->style()->unpolish(widget);
164  widget->style()->polish(widget);
165  widget->update();
166 }
167 
168 #endif
169 
170 #endif
171 
172 } // namespace QtUtilities
QtUtilities
!
Definition: trylocker.h:8
QtUtilities::generateWindowTitle
QT_UTILITIES_EXPORT QString generateWindowTitle(DocumentStatus documentStatus, const QString &documentPath)
Generates the window title string for the specified documentStatus and documentPath.
Definition: dialogutils.cpp:29
text
#define text
Definition: xmlparsermacros.h:18
QtUtilities::DocumentStatus
DocumentStatus
The DocumentStatus enum specifies the status of the document in a window.
Definition: dialogutils.h:20
dialogutils.h
QtUtilities::DocumentStatus::NoDocument
@ NoDocument