From 1f890920e63b9dedd600efe23cca815d1a38b4a9 Mon Sep 17 00:00:00 2001
From: Martchus <martchus@gmx.net>
Date: Fri, 5 Feb 2016 20:23:02 +0100
Subject: [PATCH] added Dialogs::updateStyle()

---
 misc/desktoputils.cpp |  2 +-
 misc/dialogutils.cpp  | 58 +++++++++++++++++++++++++++++++++----------
 misc/dialogutils.h    | 14 +++++++----
 3 files changed, 55 insertions(+), 19 deletions(-)

diff --git a/misc/desktoputils.cpp b/misc/desktoputils.cpp
index 796ee55..4178a59 100644
--- a/misc/desktoputils.cpp
+++ b/misc/desktoputils.cpp
@@ -9,7 +9,7 @@ namespace DesktopUtils {
 
 /*!
  * \brief Shows the specified file or directory using the default file browser.
- * \remarks
+ * \remarks \a path musn't be specified as URL. (Conversion to URL is the purpose of this function).
  */
 bool LIB_EXPORT openLocalFileOrDir(const QString &path)
 {
diff --git a/misc/dialogutils.cpp b/misc/dialogutils.cpp
index d8693c6..8d69a12 100644
--- a/misc/dialogutils.cpp
+++ b/misc/dialogutils.cpp
@@ -1,17 +1,22 @@
 #include "./dialogutils.h"
 
 #ifdef GUI_NONE
-#include <QCoreApplication>
+# include <QCoreApplication>
 #else
-#include <QGuiApplication>
-#include <QPalette>
-#include <QWidget>
+# include <QGuiApplication>
+# include <QPalette>
+# include <QWidget>
+# include <QStyle>
 #endif
 #include <QFileInfo>
 #include <QDir>
 
 namespace Dialogs {
 
+/*!
+ * \brief Generates the window title string for the specified \a documentStatus
+ *        and \a documentPath.
+ */
 QString generateWindowTitle(DocumentStatus documentStatus, const QString &documentPath)
 {
     switch(documentStatus) {
@@ -38,38 +43,65 @@ QString generateWindowTitle(DocumentStatus documentStatus, const QString &docume
 
 #ifndef GUI_NONE
 
-#ifdef Q_OS_WIN32
+# ifdef Q_OS_WIN32
+
+/*!
+ * \brief Returns the color used to draw frames.
+ */
 QColor windowFrameColor()
 {
     return QGuiApplication::palette().window().color().darker(108);
 }
 
+/*!
+ * \brief Returns the color used to draw instructions.
+ */
 QColor instructionTextColor()
 {
     const auto baseColor = QGuiApplication::palette().base().color();
     return (baseColor.value() > 204 && baseColor.saturation() < 63) ? QColor(0x00, 0x33, 0x99) : QGuiApplication::palette().text().color();
 }
 
-#endif
+# endif
 
+/*!
+ * \brief Returns the stylesheet for dialogs and other windows used in my applications.
+ */
 const QString &dialogStyle()
 {
-#ifdef Q_OS_WIN32
-    static const auto style = QStringLiteral(" #mainWidget { color: palette(text); background-color: palette(base); border: none; }"
-                                             " #bottomWidget { background-color: palette(window); color: palette(window-text); border-top: 1px solid %1; }"
-                                             " QMessageBox QLabel, QInputDialog QLabel, *[classNames~=\"heading\"] { font-size: 12pt; color: %2; } ").arg(
+# ifdef Q_OS_WIN32
+    static const auto style = QStringLiteral("#mainWidget { color: palette(text); background-color: palette(base); border: none; }"
+                                             "#bottomWidget { background-color: palette(window); color: palette(window-text); border-top: 1px solid %1; }"
+                                             "QMessageBox QLabel, QInputDialog QLabel, *[classNames~=\"heading\"] { font-size: 12pt; color: %2; }"
+                                             "*[classNames~=\"input-invalid\"] { color: red; }").arg(
                                    windowFrameColor().name(), instructionTextColor().name());
-#else
-    static const auto style = QStringLiteral(" *[classNames~=\"heading\"] { font-weight: bold; } ");
-#endif
+# else
+    static const auto style = QStringLiteral("*[classNames~=\"heading\"] { font-weight: bold; }"
+                                             "*[classNames~=\"input-invalid\"] { color: red; }");
+# endif
     return style;
 }
 
+/*!
+ * \brief Makes \a widget a heading.
+ */
 void makeHeading(QWidget *widget)
 {
     widget->setProperty("classNames", widget->property("classNames").toStringList() << QStringLiteral("heading"));
 }
 
+/*!
+ * \brief Updates the widget style.
+ * \remarks Useful when dynamic properties are used in the stylesheet because
+ *          the widget style does not update automatically when a property changes.
+ */
+void updateStyle(QWidget *widget)
+{
+    widget->style()->unpolish(widget);
+    widget->style()->polish(widget);
+    widget->update();
+}
+
 #endif
 
 } // namespace Dialogs
diff --git a/misc/dialogutils.h b/misc/dialogutils.h
index 10057e7..042b1f4 100644
--- a/misc/dialogutils.h
+++ b/misc/dialogutils.h
@@ -11,21 +11,25 @@ QT_FORWARD_DECLARE_CLASS(QColor)
 
 namespace Dialogs {
 
+/*!
+ * \brief The DocumentStatus enum specifies the status of the document in a window.
+ */
 enum class DocumentStatus {
-    NoDocument,
-    Saved,
-    Unsaved
+    NoDocument, /**< There is no document opened. The document path is ignored in this case. */
+    Saved, /**< There is a document opened. All modifications have been saved yet. */
+    Unsaved /**< There is a document opened and there are unsaved modifications. */
 };
 
 QString LIB_EXPORT generateWindowTitle(DocumentStatus documentStatus, const QString &documentPath);
 
 #ifndef GUI_NONE
-#ifdef Q_OS_WIN32
+# ifdef Q_OS_WIN32
 QColor LIB_EXPORT windowFrameColor();
 QColor LIB_EXPORT instructionTextColor();
-#endif
+# endif
 const QString LIB_EXPORT &dialogStyle();
 void LIB_EXPORT makeHeading(QWidget *widget);
+void LIB_EXPORT updateStyle(QWidget *widget);
 #endif
 
 } // namespace Dialogs