gui: file: add power to change font size for displayed shared files

Added one more settings group "File".

retroshare-gui/src/gui/FileTransfer/SharedFilesDialog.cpp

@@ -241,10 +241,6 @@ SharedFilesDialog::SharedFilesDialog(bool remote_mode, QWidget *parent)
     /* Set Multi Selection */
     ui.dirTreeView->setSelectionMode(QAbstractItemView::ExtendedSelection);
 
-	QFontMetricsF fontMetrics(ui.dirTreeView->font());
-	int iconHeight = fontMetrics.height() * 1.5;
-	ui.dirTreeView->setIconSize(QSize(iconHeight, iconHeight));
-
   /* Hide platform specific features */
   copylinkAct = new QAction(QIcon(IMAGE_COPYLINK), tr( "Copy retroshare Links to Clipboard" ), this );
   connect( copylinkAct , SIGNAL( triggered() ), this, SLOT( copyLink() ) );
@@ -323,7 +319,7 @@ void SharedFilesDialog::hideEvent(QHideEvent *)
         model->setVisible(false) ;
 }
 
-void SharedFilesDialog::showEvent(QShowEvent *)
+void SharedFilesDialog::showEvent(QShowEvent *event)
 {
     if(model!=NULL)
     {
@@ -336,6 +332,10 @@ void SharedFilesDialog::showEvent(QShowEvent *)
 
         restoreExpandedPathsAndSelection(expanded_indexes,hidden_indexes,selected_indexes);
     }
+
+    if (!event->spontaneous()) {
+        updateFontSize();
+    }
 }
 RemoteSharedFilesDialog::~RemoteSharedFilesDialog()
 {
@@ -1686,3 +1686,16 @@ bool SharedFilesDialog::tree_FilterItem(const QModelIndex &index, const QString
     return (visible || visibleChildCount);
 }
 #endif
+
+void SharedFilesDialog::updateFontSize()
+{
+    int customFontSize = Settings->valueFromGroup("File", "MinimumFontSize", 11).toInt();
+    QFont newFont = ui.dirTreeView->font();
+    if (newFont.pointSize() != customFontSize) {
+        newFont.setPointSize(customFontSize);
+        QFontMetricsF fontMetrics(newFont);
+        int iconHeight = fontMetrics.height();
+        ui.dirTreeView->setFont(newFont);
+        ui.dirTreeView->setIconSize(QSize(iconHeight, iconHeight));
+    }
+}

retroshare-gui/src/gui/FileTransfer/SharedFilesDialog.h

@@ -117,6 +117,8 @@ protected:
 
   QModelIndexList getSelected();
 
+  void updateFontSize();
+
   /** Defines the actions for the context menu for QTreeWidget */
   QAction* copylinkAct;
   QAction* sendlinkAct;

retroshare-gui/src/gui/FileTransfer/SharedFilesDialog.ui

@@ -356,11 +356,6 @@ border-image: url(:/images/closepressed.png)
            <verstretch>0</verstretch>
           </sizepolicy>
          </property>
-         <property name="font">
-          <font>
-           <pointsize>11</pointsize>
-          </font>
-         </property>
          <property name="contextMenuPolicy">
           <enum>Qt::CustomContextMenu</enum>
          </property>

retroshare-gui/src/gui/settings/TransferPage.cpp

@@ -53,6 +53,7 @@ TransferPage::TransferPage(QWidget * parent, Qt::WindowFlags flags)
 	QObject::connect(ui.partialButton, SIGNAL(clicked( bool ) ), this , SLOT( setPartialsDirectory() ) );
 	QObject::connect(ui.editShareButton, SIGNAL(clicked()), this, SLOT(editDirectories()));
 	QObject::connect(ui.autoCheckDirectories_CB, SIGNAL(clicked(bool)), this, SLOT(toggleAutoCheckDirectories(bool)));
+	QObject::connect(ui.minimumFontSize_SB, SIGNAL(valueChanged(int)), this, SLOT(updateFontSize())) ;
 
 	QObject::connect(ui.autoCheckDirectories_CB,     SIGNAL(toggled(bool)),    this,SLOT(updateAutoCheckDirectories())) ;
 	QObject::connect(ui.autoCheckDirectoriesDelay_SB,SIGNAL(valueChanged(int)),this,SLOT(updateAutoScanDirectoriesPeriod())) ;
@@ -188,6 +189,10 @@ void TransferPage::load()
 	whileBlocking(ui.suffixesIgnoreList_CB)->setChecked( ignore_flags & RS_FILE_SHARE_FLAGS_IGNORE_SUFFIXES ) ;
 	whileBlocking(ui.prefixesIgnoreList_LE)->setText( ignore_prefixes_string );
 	whileBlocking(ui.suffixesIgnoreList_LE)->setText( ignore_suffixes_string );
+
+	Settings->beginGroup(QString("File"));
+	whileBlocking(ui.minimumFontSize_SB)->setValue( Settings->value("MinimumFontSize", 11 ).toInt());
+	Settings->endGroup();
 }
 
 void TransferPage::updateDefaultStrategy(int i)
@@ -290,6 +295,13 @@ void TransferPage::editDirectories()
 	ShareManager::showYourself() ;
 }
 
+void TransferPage::updateFontSize()
+{
+	Settings->beginGroup(QString("File"));
+	Settings->setValue("MinimumFontSize", ui.minimumFontSize_SB->value());
+	Settings->endGroup();
+}
+
 void TransferPage::updateAutoCheckDirectories()       {    rsFiles->setWatchEnabled(ui.autoCheckDirectories_CB->isChecked()) ; }
 void TransferPage::updateAutoScanDirectoriesPeriod()  {    rsFiles->setWatchPeriod(ui.autoCheckDirectoriesDelay_SB->value()); }
 void TransferPage::updateShareDownloadDirectory()     {    rsFiles->shareDownloadDirectory(ui.shareDownloadDirectoryCB->isChecked());}

retroshare-gui/src/gui/settings/TransferPage.h

@@ -58,6 +58,7 @@ class TransferPage: public ConfigPage
 		void updateAutoDLColl();
 		void setPartialsDirectory();
 		void toggleAutoCheckDirectories(bool);
+		void updateFontSize();
 
 		void updateAutoCheckDirectories()       ;
 		void updateAutoScanDirectoriesPeriod()  ;

retroshare-gui/src/gui/settings/TransferPage.ui

@@ -299,6 +299,40 @@ p, li { white-space: pre-wrap; }
         </widget>
        </item>
        <item row="4" column="0">
+        <layout class="QHBoxLayout" name="minimumFontSizeHLayout">
+         <item>
+          <widget class="QLabel" name="minimumFontSizeLabel">
+           <property name="text">
+            <string>Minimum font size for Shared Files</string>
+           </property>
+          </widget>
+         </item>
+         <item>
+          <widget class="QSpinBox" name="minimumFontSize_SB">
+           <property name="minimum">
+            <number>11</number>
+           </property>
+           <property name="maximum">
+            <number>64</number>
+           </property>
+          </widget>
+         </item>
+         <item>
+          <spacer name="minimumFontSizeHSpacer">
+           <property name="orientation">
+            <enum>Qt::Horizontal</enum>
+           </property>
+           <property name="sizeHint" stdset="0">
+            <size>
+             <width>40</width>
+             <height>20</height>
+            </size>
+           </property>
+          </spacer>
+         </item>
+        </layout>
+       </item>
+       <item row="5" column="0">
         <spacer name="verticalSpacer_2">
          <property name="orientation">
           <enum>Qt::Vertical</enum>