Make icon sizes configurable, increase default sizes for icons

Fixes #250

src/widgets/fileview.cpp

@@ -28,6 +28,7 @@
 #include <QString>
 #include <QStringList>
 #include <QUrl>
+#include <QSettings>
 #include <QMessageBox>
 #include <QScrollBar>
 #include <QLineEdit>
@@ -44,6 +45,7 @@
 #ifdef HAVE_GSTREAMER
 #  include "organise/organiseerrordialog.h"
 #endif
+#include "settings/appearancesettingspage.h"
 
 const char *FileView::kFileFilter =
     "*.wav *.flac *.wv *.ogg *.oga *.opus *.spx *.ape *.mpc "
@@ -91,12 +93,28 @@ FileView::FileView(QWidget *parent)
   QString filter(FileView::kFileFilter);
   filter_list_ << filter.split(" ");
 
+  ReloadSettings();
+
 }
 
 FileView::~FileView() {
   delete ui_;
 }
 
+void FileView::ReloadSettings() {
+
+  QSettings s;
+  s.beginGroup(AppearanceSettingsPage::kSettingsGroup);
+  int iconsize = s.value(AppearanceSettingsPage::kIconSizeLeftPanelButtons, 22).toInt();
+  s.endGroup();
+
+  ui_->back->setIconSize(QSize(iconsize, iconsize));
+  ui_->forward->setIconSize(QSize(iconsize, iconsize));
+  ui_->home->setIconSize(QSize(iconsize, iconsize));
+  ui_->up->setIconSize(QSize(iconsize, iconsize));
+
+}
+
 void FileView::SetPath(const QString &path) {
   if (!model_)
     lazy_set_path_ = path;

src/widgets/fileview.h

@@ -55,6 +55,8 @@ class FileView : public QWidget {
 
   static const char *kFileFilter;
 
+  void ReloadSettings();
+
   void SetPath(const QString &path);
   void SetTaskManager(TaskManager *task_manager);
 

src/widgets/fileview.ui

@@ -41,8 +41,8 @@
        </property>
        <property name="iconSize">
         <size>
-         <width>16</width>
-         <height>16</height>
+         <width>22</width>
+         <height>22</height>
         </size>
        </property>
        <property name="autoRaise">
@@ -57,8 +57,8 @@
        </property>
        <property name="iconSize">
         <size>
-         <width>16</width>
-         <height>16</height>
+         <width>22</width>
+         <height>22</height>
         </size>
        </property>
        <property name="autoRaise">
@@ -70,8 +70,8 @@
       <widget class="QToolButton" name="up">
        <property name="iconSize">
         <size>
-         <width>16</width>
-         <height>16</height>
+         <width>22</width>
+         <height>22</height>
         </size>
        </property>
        <property name="autoRaise">
@@ -83,8 +83,8 @@
       <widget class="QToolButton" name="home">
        <property name="iconSize">
         <size>
-         <width>16</width>
-         <height>16</height>
+         <width>22</width>
+         <height>22</height>
         </size>
        </property>
        <property name="autoRaise">