Merge pull request #756 from jpnurmi/add-button

Make the "Add Folder Sync Connection" button act like a button

src/gui/CMakeLists.txt

@@ -53,6 +53,7 @@ set(client_SRCS
     folderman.cpp
     folderstatusmodel.cpp
     folderstatusdelegate.cpp
+    folderstatusview.cpp
     folderwatcher.cpp
     folderwizard.cpp
     generalsettings.cpp

src/gui/accountsettings.ui

@@ -117,7 +117,7 @@
     </layout>
    </item>
    <item row="2" column="0">
-    <widget class="QTreeView" name="_folderList">
+    <widget class="OCC::FolderStatusView" name="_folderList">
      <property name="sizePolicy">
       <sizepolicy hsizetype="MinimumExpanding" vsizetype="Expanding">
        <horstretch>0</horstretch>
@@ -275,6 +275,11 @@
    <extends>QToolButton</extends>
    <header>sslbutton.h</header>
   </customwidget>
+  <customwidget>
+   <class>OCC::FolderStatusView</class>
+   <extends>QTreeView</extends>
+   <header>folderstatusview.h</header>
+  </customwidget>
  </customwidgets>
  <resources/>
  <connections/>

src/gui/folderstatusdelegate.cpp

@@ -16,6 +16,7 @@
 
 #include "folderstatusdelegate.h"
 #include "folderstatusmodel.h"
+#include "folderstatusview.h"
 #include "folderman.h"
 #include "accountstate.h"
 #include <theme.h>
@@ -24,6 +25,7 @@
 #include <QFileIconProvider>
 #include <QPainter>
 #include <QApplication>
+#include <QMouseEvent>
 
 inline static QFont makeAliasFont(const QFont &normalFont)
 {
@@ -110,6 +112,10 @@ int FolderStatusDelegate::rootFolderHeightWithoutErrors(const QFontMetrics &fm,
 void FolderStatusDelegate::paint(QPainter *painter, const QStyleOptionViewItem &option,
     const QModelIndex &index) const
 {
+    if (index.data(AddButton).toBool()) {
+        const_cast<QStyleOptionViewItem &>(option).showDecorationSelected = false;
+    }
+
     QStyledItemDelegate::paint(painter, option, index);
 
     auto textAlign = Qt::AlignLeft;
@@ -129,15 +135,15 @@ void FolderStatusDelegate::paint(QPainter *painter, const QStyleOptionViewItem &
     int margin = subFm.height() / 4;
 
     if (index.data(AddButton).toBool()) {
-        QSize hint = sizeHint(option, index);
         QStyleOptionButton opt;
         static_cast<QStyleOption &>(opt) = option;
-        opt.state &= ~QStyle::State_Selected;
-        opt.state |= QStyle::State_Raised;
+        if (opt.state & QStyle::State_Enabled && opt.state & QStyle::State_MouseOver && index == _pressedIndex) {
+            opt.state |= QStyle::State_Sunken;
+        } else {
+            opt.state |= QStyle::State_Raised;
+        }
         opt.text = addFolderText();
-        opt.rect.setWidth(qMin(opt.rect.width(), hint.width()));
-        opt.rect.adjust(0, aliasMargin, 0, -aliasMargin);
-        opt.rect = QStyle::visualRect(option.direction, option.rect, opt.rect);
+        opt.rect = addButtonRect(option.rect, option.direction);
         painter->save();
         painter->setFont(qApp->font("QPushButton"));
         QApplication::style()->drawControl(QStyle::CE_PushButton, &opt, painter, option.widget);
@@ -352,6 +358,27 @@ void FolderStatusDelegate::paint(QPainter *painter, const QStyleOptionViewItem &
 bool FolderStatusDelegate::editorEvent(QEvent *event, QAbstractItemModel *model,
     const QStyleOptionViewItem &option, const QModelIndex &index)
 {
+    switch (event->type()) {
+    case QEvent::MouseButtonPress:
+    case QEvent::MouseMove:
+        if (const QAbstractItemView *view = qobject_cast<const QAbstractItemView *>(option.widget)) {
+            QMouseEvent *me = static_cast<QMouseEvent *>(event);
+            QModelIndex index;
+            if (me->buttons()) {
+                index = view->indexAt(me->pos());
+            }
+            if (_pressedIndex != index) {
+                _pressedIndex = index;
+                view->viewport()->update();
+            }
+        }
+        break;
+    case QEvent::MouseButtonRelease:
+        _pressedIndex = QModelIndex();
+        break;
+    default:
+        break;
+    }
     return QStyledItemDelegate::editorEvent(event, model, option, index);
 }
 
@@ -375,6 +402,16 @@ QRect FolderStatusDelegate::optionsButtonRect(QRect within, Qt::LayoutDirection
     return QStyle::visualRect(direction, within, r);
 }
 
+QRect FolderStatusDelegate::addButtonRect(QRect within, Qt::LayoutDirection direction)
+{
+    QFontMetrics fm(qApp->font("QPushButton"));
+    QStyleOptionButton opt;
+    opt.text = addFolderText();
+    QSize size = QApplication::style()->sizeFromContents(QStyle::CT_PushButton, &opt, fm.size(Qt::TextSingleLine, opt.text)).expandedTo(QApplication::globalStrut());
+    QRect r(QPoint(within.left(), within.top() + within.height() / 2 - size.height() / 2), size);
+    return QStyle::visualRect(direction, within, r);
+}
+
 QRect FolderStatusDelegate::errorsListRect(QRect within)
 {
     QFont font = QFont();

src/gui/folderstatusdelegate.h

@@ -57,11 +57,13 @@ public:
      * return the position of the option button within the item
      */
     static QRect optionsButtonRect(QRect within, Qt::LayoutDirection direction);
+    static QRect addButtonRect(QRect within, Qt::LayoutDirection direction);
     static QRect errorsListRect(QRect within);
     static int rootFolderHeightWithoutErrors(const QFontMetrics &fm, const QFontMetrics &aliasFm);
 
 private:
     static QString addFolderText();
+    QPersistentModelIndex _pressedIndex;
 };
 
 } // namespace OCC

src/gui/folderstatusview.cpp

@@ -0,0 +1,42 @@
+/*
+ * Copyright (C) 2018 by J-P Nurmi <jpnurmi@gmail.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+ * for more details.
+ */
+
+#include "folderstatusview.h"
+#include "folderstatusdelegate.h"
+
+namespace OCC {
+
+FolderStatusView::FolderStatusView(QWidget *parent) : QTreeView(parent)
+{
+}
+
+QModelIndex FolderStatusView::indexAt(const QPoint &point) const
+{
+    QModelIndex index = QTreeView::indexAt(point);
+    if (index.data(FolderStatusDelegate::AddButton).toBool() && !visualRect(index).contains(point)) {
+        return QModelIndex();
+    }
+    return index;
+}
+
+QRect FolderStatusView::visualRect(const QModelIndex &index) const
+{
+    QRect rect = QTreeView::visualRect(index);
+    if (index.data(FolderStatusDelegate::AddButton).toBool()) {
+        return FolderStatusDelegate::addButtonRect(rect, layoutDirection());
+    }
+    return rect;
+}
+
+} // namespace OCC

src/gui/folderstatusview.h

@@ -0,0 +1,39 @@
+/*
+ * Copyright (C) 2018 by J-P Nurmi <jpnurmi@gmail.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+ * for more details.
+ */
+
+#ifndef FOLDERSTATUSVIEW_H
+#define FOLDERSTATUSVIEW_H
+
+#include <QTreeView>
+
+namespace OCC {
+
+/**
+ * @brief The FolderStatusView class
+ * @ingroup gui
+ */
+class FolderStatusView : public QTreeView
+{
+    Q_OBJECT
+
+public:
+    explicit FolderStatusView(QWidget *parent = nullptr);
+
+    QModelIndex indexAt(const QPoint &point) const override;
+    QRect visualRect(const QModelIndex &index) const override;
+};
+
+} // namespace OCC
+
+#endif // FOLDERSTATUSVIEW_H