rbutilqt: Added a fullsize preview for the Theme installation. It pops up when you hover over the normal preview.

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@14409 a1c6a512-1295-4272-9138-f99709370657

rbutil/rbutilqt/installthemes.cpp

@@ -191,21 +191,17 @@ void ThemesInstallWindow::updateImage(bool error)
     qDebug() << "updateImage(bool) =" << error;
     if(error) return;
     
-    QPixmap p, q;
+    QPixmap p;
-    QSize img;
-    img.setHeight(ui.themePreview->height());
-    img.setWidth(ui.themePreview->width());
     if(!error) {
         imgData = igetter.readAll();
         if(imgData.isNull()) return;
         p.loadFromData(imgData);
-        q = p.scaled(img, Qt::KeepAspectRatio, Qt::SmoothTransformation);
+        if(p.isNull()) {
-        ui.themePreview->setScaledContents(false);
-        if(q.isNull()) {
             ui.themePreview->clear();
             ui.themePreview->setText(tr("no theme preview"));
         }
-        else ui.themePreview->setPixmap(q);
+        else 
+            ui.themePreview->setPixmap(p);
     }
 }
 

rbutil/rbutilqt/installthemesfrm.ui

@@ -49,7 +49,7 @@
      </property>
      <layout class="QGridLayout" >
       <item row="0" column="0" >
-       <widget class="QLabel" name="themePreview" >
+       <widget class="PreviewLabel" name="themePreview" >
         <property name="sizePolicy" >
          <sizepolicy vsizetype="MinimumExpanding" hsizetype="MinimumExpanding" >
           <horstretch>0</horstretch>
@@ -126,6 +126,13 @@
    </item>
   </layout>
  </widget>
+ <customwidgets>
+  <customwidget>
+   <class>PreviewLabel</class>
+   <extends>QLabel</extends>
+   <header>preview.h</header>
+  </customwidget>
+ </customwidgets>
  <resources>
   <include location="rbutilqt.qrc" />
  </resources>

rbutil/rbutilqt/preview.cpp

@@ -0,0 +1,107 @@
+/***************************************************************************
+ *             __________               __   ___.
+ *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
+ *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
+ *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
+ *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
+ *                     \/            \/     \/    \/            \/
+ *
+ *   Copyright (C) 2007 by Dominik Wenger
+ *   $Id: preview.cpp 13990 2007-07-25 22:26:10Z domonoky $
+ *
+ * All files in this archive are subject to the GNU General Public License.
+ * See the file COPYING in the source tree root for full license agreement.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ****************************************************************************/
+
+#include <QtGui>
+
+#include "preview.h"
+
+PreviewDlg::PreviewDlg(QWidget *parent) : QDialog(parent)
+{
+    ui.setupUi(this);
+    this->setModal(true);
+    this->setMouseTracking(true);
+    this->setWindowFlags(Qt::Dialog | Qt::FramelessWindowHint);
+    
+}
+
+void PreviewDlg::setText(QString text)
+{
+    ui.themePreview->setText(text);
+}
+
+void PreviewDlg::setPixmap(QPixmap p)
+{
+   this->setFixedSize(p.size());
+   ui.themePreview->setPixmap(p); 
+}
+
+void PreviewDlg::mouseMoveEvent(QMouseEvent * event)
+{
+    this->close();
+}
+
+void PreviewDlg::leaveEvent(QEvent * event)
+{
+    this->close();
+}
+
+PreviewLabel::PreviewLabel(QWidget * parent, Qt::WindowFlags f)
+            :QLabel(parent,f)
+{
+    this->setMouseTracking(true);
+    
+    preview = new PreviewDlg(parent);
+    
+    hovertimer.setInterval(1500);  // wait for 1.5 seconds before showing the Fullsize Preview
+    hovertimer.setSingleShot(true);
+    connect(&hovertimer,SIGNAL(timeout ()),this,SLOT(timeout()));
+}
+
+void PreviewLabel::mouseMoveEvent(QMouseEvent * event)
+{
+    hovertimer.start();
+    mousex = event->globalX();
+    mousey = event->globalY();
+}
+void PreviewLabel::enterEvent(QEvent * event)
+{
+    hovertimer.start();
+}
+void PreviewLabel::leaveEvent(QEvent * event)
+{
+    hovertimer.stop();
+}
+
+void PreviewLabel::timeout()
+{
+    preview->move(mousex-(preview->width()/2) ,mousey-(preview->height()/2));
+    preview->setVisible(true);
+}
+
+void PreviewLabel::setPixmap(QPixmap p) 
+{
+    // set the image for the Fullsize Preview
+    preview->setPixmap(p); 
+    
+    //scale the image for use in the label
+    QSize img;
+    img.setHeight(this->height());
+    img.setWidth(this->width());
+    QPixmap q;
+    q = p.scaled(img, Qt::KeepAspectRatio, Qt::SmoothTransformation);
+    this->setScaledContents(false);
+    QLabel::setPixmap(q);
+}
+
+void PreviewLabel::setText(QString text)
+{
+    QLabel::setText(text);
+    preview->setText(text);
+}
+

rbutil/rbutilqt/preview.h

@@ -0,0 +1,70 @@
+/***************************************************************************
+ *             __________               __   ___.
+ *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
+ *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
+ *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
+ *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
+ *                     \/            \/     \/    \/            \/
+ *
+ *   Copyright (C) 2007 by Dominik Wenger
+ *   $Id: preview.h 13990 2007-07-25 22:26:10Z domonoky $
+ *
+ * All files in this archive are subject to the GNU General Public License.
+ * See the file COPYING in the source tree root for full license agreement.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ****************************************************************************/
+
+#ifndef PREVIEW_H
+#define PREVIEW_H
+
+#include <QtGui>
+#include "ui_previewfrm.h"
+
+
+class PreviewDlg : public QDialog
+{
+    Q_OBJECT
+
+public:
+    PreviewDlg(QWidget *parent = 0);
+    void setPixmap(QPixmap p); 
+    void setText(QString text);
+        
+private slots:
+    void mouseMoveEvent(QMouseEvent * event);
+    void leaveEvent(QEvent * event);
+    
+private:
+    Ui::PreviewFrm ui;
+        
+        
+};
+
+
+class PreviewLabel : public QLabel
+{
+    Q_OBJECT
+    
+public:
+    PreviewLabel(QWidget * parent = 0, Qt::WindowFlags f = 0);
+    
+    void setPixmap(QPixmap p);
+    void setText(QString text);
+private slots:
+    void mouseMoveEvent(QMouseEvent * event);
+    void enterEvent(QEvent * event);
+    void leaveEvent(QEvent * event);
+    void timeout();
+    
+private:
+    QTimer hovertimer;
+    int mousex;
+    int mousey;
+    PreviewDlg* preview;
+};
+
+
+#endif

rbutil/rbutilqt/previewfrm.ui

@@ -0,0 +1,60 @@
+<ui version="4.0" >
+ <class>PreviewFrm</class>
+ <widget class="QDialog" name="PreviewFrm" >
+  <property name="enabled" >
+   <bool>true</bool>
+  </property>
+  <property name="geometry" >
+   <rect>
+    <x>0</x>
+    <y>0</y>
+    <width>335</width>
+    <height>228</height>
+   </rect>
+  </property>
+  <property name="windowTitle" >
+   <string>Preview</string>
+  </property>
+  <layout class="QHBoxLayout" >
+   <property name="spacing" >
+    <number>0</number>
+   </property>
+   <property name="leftMargin" >
+    <number>0</number>
+   </property>
+   <property name="topMargin" >
+    <number>0</number>
+   </property>
+   <property name="rightMargin" >
+    <number>0</number>
+   </property>
+   <property name="bottomMargin" >
+    <number>0</number>
+   </property>
+   <item>
+    <widget class="QLabel" name="themePreview" >
+     <property name="enabled" >
+      <bool>true</bool>
+     </property>
+     <property name="sizePolicy" >
+      <sizepolicy vsizetype="MinimumExpanding" hsizetype="MinimumExpanding" >
+       <horstretch>0</horstretch>
+       <verstretch>0</verstretch>
+      </sizepolicy>
+     </property>
+     <property name="text" >
+      <string/>
+     </property>
+     <property name="scaledContents" >
+      <bool>true</bool>
+     </property>
+     <property name="alignment" >
+      <set>Qt::AlignCenter</set>
+     </property>
+    </widget>
+   </item>
+  </layout>
+ </widget>
+ <resources/>
+ <connections/>
+</ui>

rbutil/rbutilqt/rbutilqt.pro

@@ -33,7 +33,8 @@ SOURCES += rbutilqt.cpp \
  installthemes.cpp \
  uninstall.cpp \
  uninstallwindow.cpp \
- browseof.cpp
+ browseof.cpp \
+ preview.cpp
 
 HEADERS += rbutilqt.h \
  install.h \
@@ -67,7 +68,8 @@ HEADERS += rbutilqt.h \
  installthemes.h \
  uninstall.h \
  uninstallwindow.h \
- browseof.h
+ browseof.h \
+ preview.h
 
 # Needed by QT on Win
 INCLUDEPATH = . irivertools zip zlib ../ipodpatcher ../sansapatcher
@@ -88,7 +90,8 @@ FORMS += rbutilqtfrm.ui \
  installtalkfrm.ui \
  installthemesfrm.ui \
  uninstallfrm.ui \
- browseoffrm.ui
+ browseoffrm.ui \
+ previewfrm.ui
 
 RESOURCES += rbutilqt.qrc