Selection and delete now work in thumbnail view

4 files changed, 42 insertions, 1 deletions

diff --git a/noncore/graphics/drawpad/drawpadcanvas.cpp b/noncore/graphics/drawpad/drawpadcanvas.cpp
index 252f4d5..0a1e9a5 100644
--- a/noncore/graphics/drawpad/drawpadcanvas.cpp
+++ b/noncore/graphics/drawpad/drawpadcanvas.cpp
@@ -234,192 +234,205 @@ void DrawPadCanvas::save(QIODevice* ioDevice)
         imageIO.setImage(image);
         imageIO.write();
         buffer.close();
 
         textStream << "            <data length=\"" << byteArray.size() << "\" format=\"PNG\">";
 
         static const char hexchars[] = "0123456789abcdef";
 
         for (int i = 0; i < (int)byteArray.size(); i++ ) {
             uchar s = (uchar)byteArray[i];
             textStream << hexchars[s >> 4];
             textStream << hexchars[s & 0x0f];
         }
 
         textStream << "</data>" << endl;
         textStream << "        </image>" << endl;
     }
 
     textStream << "    </images>" << endl;
     textStream << "</drawpad>";
 }
 
 void DrawPadCanvas::importPage(const QString& fileName)
 {
     Page* importedPage = new Page();
 
     importedPage->load(fileName);
     m_pages.insert(m_pages.at() + 1, importedPage);
 
     m_pageBackups.clear();
     m_pageBackups.append(new Page(*(m_pages.current())));
 
     resizeContents(m_pages.current()->width(), m_pages.current()->height());
     viewport()->update();
 
     emit pagesChanged();
     emit pageBackupsChanged();
 }
 
 void DrawPadCanvas::exportPage(uint fromPage, uint toPage, const QString& name,const QString& format)
 {
     if (fromPage == toPage) {
         DocLnk docLnk;
         MimeType mimeType(format);
 
         docLnk.setName(name);
         docLnk.setType(mimeType.id());
 
         FileManager fileManager;
         QIODevice* ioDevice = fileManager.saveFile(docLnk);
         QImageIO imageIO(ioDevice, format);
 
         QImage image = m_pages.current()->convertToImage();
         imageIO.setImage(image);
         imageIO.write();
         delete ioDevice;
     } else {
         for (uint i = fromPage; i <= toPage; i++) {
             DocLnk docLnk;
             MimeType mimeType(format);
 
             docLnk.setName(name + QString::number(i));
             docLnk.setType(mimeType.id());
 
             FileManager fileManager;
             QIODevice* ioDevice = fileManager.saveFile(docLnk);
             QImageIO imageIO(ioDevice, format);
 
             QImage image = m_pages.at(i - 1)->convertToImage();
             imageIO.setImage(image);
             imageIO.write();
             delete ioDevice;
         }
     }
 }
 
 Page* DrawPadCanvas::currentPage()
 {
     return m_pages.current();
 }
 
 QList<Page> DrawPadCanvas::pages()
 {
     return m_pages;
 }
 
 uint DrawPadCanvas::pagePosition()
 {
     return (m_pages.at() + 1);
 }
 
 uint DrawPadCanvas::pageCount()
 {
     return m_pages.count();
 }
 
+void DrawPadCanvas::selectPage(Page* page)
+{
+    m_pages.findRef(page);
+    m_pageBackups.clear();
+    m_pageBackups.append(new Page(*(m_pages.current())));
+
+    resizeContents(m_pages.current()->width(), m_pages.current()->height());
+    viewport()->update();
+
+    emit pagesChanged();
+    emit pageBackupsChanged();
+}
+
 void DrawPadCanvas::backupPage()
 {
     QPixmap* currentBackup = m_pageBackups.current();
     while (m_pageBackups.last() != currentBackup) {
         m_pageBackups.removeLast();
     }
 
     while (m_pageBackups.count() >= (5 + 1)) {
         m_pageBackups.removeFirst();
     }
 
     m_pageBackups.append(new Page(*(m_pages.current())));
 
     emit pageBackupsChanged();
 }
 
 void DrawPadCanvas::deleteAll()
 {
     m_pages.clear();
 
     m_pages.append(new Page(contentsRect().size()));
     m_pages.current()->fill(Qt::white);
 
     m_pageBackups.clear();
     m_pageBackups.append(new Page(*(m_pages.current())));
 
     resizeContents(m_pages.current()->width(), m_pages.current()->height());
     viewport()->update();
 
     emit pagesChanged();
     emit pageBackupsChanged();
 }
 
 void DrawPadCanvas::newPage()
 {
     QRect rect = contentsRect();
 
     NewPageDialog newPageDialog(rect.width(), rect.height(), m_pDrawPad->pen().color(),
                                 m_pDrawPad->brush().color(), this);
 
     if (newPageDialog.exec() == QDialog::Accepted) {
         m_pages.insert(m_pages.at() + 1, new Page(newPageDialog.selectedWidth(),
                                                   newPageDialog.selectedHeight()));
         m_pages.current()->fill(newPageDialog.selectedColor());
 
         m_pageBackups.clear();
         m_pageBackups.append(new Page(*(m_pages.current())));
 
         resizeContents(m_pages.current()->width(), m_pages.current()->height());
         viewport()->update();
 
         emit pagesChanged();
         emit pageBackupsChanged();
     }
 }
 
 void DrawPadCanvas::clearPage()
 {
     m_pages.current()->fill(Qt::white);
 
     viewport()->update();
 }
 
 void DrawPadCanvas::deletePage()
 {
     m_pages.remove(m_pages.current());
 
     if (m_pages.isEmpty()) {
         m_pages.append(new Page(contentsRect().size()));
         m_pages.current()->fill(Qt::white);
     }
 
     m_pageBackups.clear();
     m_pageBackups.append(new Page(*(m_pages.current())));
 
     resizeContents(m_pages.current()->width(), m_pages.current()->height());
     viewport()->update();
 
     emit pagesChanged();
     emit pageBackupsChanged();
 }
 
 bool DrawPadCanvas::undoEnabled()
 {
     return (m_pageBackups.current() != m_pageBackups.getFirst());
 }
 
 bool DrawPadCanvas::redoEnabled()
 {
     return (m_pageBackups.current() != m_pageBackups.getLast());
 }
 
 bool DrawPadCanvas::goPreviousPageEnabled()
 {
     return (m_pages.current() != m_pages.getFirst());
 }
diff --git a/noncore/graphics/drawpad/drawpadcanvas.h b/noncore/graphics/drawpad/drawpadcanvas.h
index 47763f9..cf2d904 100644
--- a/noncore/graphics/drawpad/drawpadcanvas.h
+++ b/noncore/graphics/drawpad/drawpadcanvas.h
@@ -1,82 +1,83 @@
 /***************************************************************************
  *                                                                         *
  *   DrawPad - a drawing program for Opie Environment                      *
  *                                                                         *
  *   (C) 2002 by S. Prud'homme <prudhomme@laposte.net>                     *
  *                                                                         *
  *   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.                                   *
  *                                                                         *
  ***************************************************************************/
 
 #ifndef DRAWPADCANVAS_H
 #define DRAWPADCANVAS_H
 
 #include <qscrollview.h>
 
 #include <qlist.h>
 #include <qpointarray.h>
 
 class DrawPad;
 class Page;
 
 class DrawPadCanvas : public QScrollView
 { 
     Q_OBJECT
 
 public:
     DrawPadCanvas(DrawPad* drawPad, QWidget* parent = 0, const char* name = 0);
     ~DrawPadCanvas();
 
     void load(QIODevice* ioDevice);
     void initialPage();
     void save(QIODevice* ioDevice);
 
     void importPage(const QString& fileName);
     void exportPage(uint fromPage, uint toPage, const QString& name, const QString& format);
 
     bool undoEnabled();
     bool redoEnabled();
     bool goPreviousPageEnabled();
     bool goNextPageEnabled();
 
     Page* currentPage();
     QList<Page> pages();
     uint pagePosition();
     uint pageCount();
 
+    void selectPage(Page* page);
     void backupPage();
 
 public slots:
     void deleteAll();
     void newPage();
     void clearPage();
     void deletePage();
 
     void undo();
     void redo();
 
     void goFirstPage();
     void goPreviousPage();
     void goNextPage();
     void goLastPage();
 
 signals:
     void pagesChanged();
     void pageBackupsChanged();
 
 protected:
     void contentsMousePressEvent(QMouseEvent* e);
     void contentsMouseReleaseEvent(QMouseEvent* e);
     void contentsMouseMoveEvent(QMouseEvent* e);
     void drawContents(QPainter* p, int cx, int cy, int cw, int ch);
 
 private:
     DrawPad* m_pDrawPad;
     QList<Page> m_pages;
     QList<Page> m_pageBackups;
 };
 
 #endif // DRAWPADCANVAS_H
diff --git a/noncore/graphics/drawpad/thumbnailview.cpp b/noncore/graphics/drawpad/thumbnailview.cpp
index 1754ce9..476b7b9 100644
--- a/noncore/graphics/drawpad/thumbnailview.cpp
+++ b/noncore/graphics/drawpad/thumbnailview.cpp
@@ -7,205 +7,230 @@
  *   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.                                   *
  *                                                                         *
  ***************************************************************************/
 
 #include "thumbnailview.h"
 
 #include "drawpadcanvas.h"
 #include "page.h"
 
 #include <qpe/resource.h>
 
 #include <qapplication.h>
 #include <qheader.h>
 #include <qimage.h>
 #include <qlayout.h>
 #include <qmessagebox.h>
 #include <qtoolbutton.h>
 
 PageListViewItem::PageListViewItem(Page* page, QListView* parent)
     : QListViewItem(parent)
 {
     m_pPage = page;
 
     QImage image = m_pPage->convertToImage();
 
     int previewWidth = 64;
     int previewHeight = 64;
 
     float widthScale = 1.0;
     float heightScale = 1.0;
 
     if (previewWidth < image.width()) {
         widthScale = (float)previewWidth / float(image.width());
     }
 
     if (previewHeight < image.height()) {
         heightScale = (float)previewHeight / float(image.height());
     }
 
     float scale = (widthScale < heightScale ? widthScale : heightScale);
     QImage previewImage = image.smoothScale((int)(image.width() * scale) , (int)(image.height() * scale));
 
     QPixmap previewPixmap;
     previewPixmap.convertFromImage(previewImage);
 
     QPixmap pixmap(64, 64);
 
     pixmap.fill(listView()->colorGroup().mid());
     bitBlt(&pixmap, (pixmap.width() - previewPixmap.width()) / 2,
            (pixmap.height() - previewPixmap.height()) / 2, &previewPixmap);
 
     setPixmap(0, pixmap);
 }
 
 PageListViewItem::~PageListViewItem()
 {
 }
 
 Page* PageListViewItem::page() const
 {
     return m_pPage;
 }
 
 PageListView::PageListView(DrawPadCanvas* drawPadCanvas, QWidget* parent, const char* name)
     : QListView(parent, name)
 {
     m_pDrawPadCanvas = drawPadCanvas;
 
     header()->hide();
     setVScrollBarMode(QScrollView::AlwaysOn);
     setAllColumnsShowFocus(true);
 
     addColumn(tr("Thumbnail"));
     addColumn(tr("Information"));
 
     updateView();
 }
 
 PageListView::~PageListView()
 {
 }
 
 void PageListView::updateView()
 {
     clear();
 
     if (m_pDrawPadCanvas) {
         QList<Page> pageList = m_pDrawPadCanvas->pages();
         QListIterator<Page> it(pageList);
 
         for (; it.current(); ++it) {
             new PageListViewItem(it.current(), this);
         }
+        
+        setSorting(0, false);
+        select(m_pDrawPadCanvas->currentPage());
     }
 }
 
 void PageListView::resizeEvent(QResizeEvent* e)
 {
     Q_UNUSED(e);
 
     setColumnWidth(1, contentsRect().width() - columnWidth(0) - verticalScrollBar()->width());
 }
 
+void PageListView::select(Page* page)
+{
+    PageListViewItem* item = (PageListViewItem*)firstChild();
+
+    while (item) {
+        if (item->page() == page) {
+            setSelected(item, true);
+            ensureItemVisible(item);
+            break;
+        }
+
+        item = (PageListViewItem*)(item->nextSibling());
+    }
+}
+
 Page* PageListView::selected() const
 {
     Page* page;
 
     PageListViewItem* item = (PageListViewItem*)selectedItem();
 
     if (item) {
         page = item->page();
     } else {
         page = NULL;
     }
 
     return page;
 }
 
-
 ThumbnailView::ThumbnailView(DrawPadCanvas* drawPadCanvas, QWidget* parent, const char* name)
     : QWidget(parent, name, Qt::WType_Modal | Qt::WType_TopLevel)
 {
     inLoop = false;
     m_pDrawPadCanvas = drawPadCanvas;
 
     setCaption(tr("Thumbnail"));
 
     QToolButton* newPageButton = new QToolButton(this);
     newPageButton->setIconSet(Resource::loadIconSet("new"));
     newPageButton->setAutoRaise(true);
 
     QToolButton* clearPageButton = new QToolButton(this);
     clearPageButton->setIconSet(Resource::loadIconSet("drawpad/clear"));
     clearPageButton->setAutoRaise(true);
 
     QToolButton* deletePageButton = new QToolButton(this);
     deletePageButton->setIconSet(Resource::loadIconSet("trash"));
     deletePageButton->setAutoRaise(true);
+    connect(deletePageButton, SIGNAL(clicked()), this, SLOT(deletePage()));
 
     QToolButton* movePageUpButton = new QToolButton(this);
     movePageUpButton->setIconSet(Resource::loadIconSet("up"));
     movePageUpButton->setAutoRaise(true);
 
     QToolButton* movePageDownButton = new QToolButton(this);
     movePageDownButton->setIconSet(Resource::loadIconSet("down"));
     movePageDownButton->setAutoRaise(true);
 
     m_pPageListView = new PageListView(m_pDrawPadCanvas, this);
+    connect(m_pPageListView, SIGNAL(selectionChanged()), this, SLOT(changePage()));
 
     QVBoxLayout* mainLayout = new QVBoxLayout(this, 4, 4);
     QHBoxLayout* buttonLayout = new QHBoxLayout(0);
 
     buttonLayout->addWidget(newPageButton);
     buttonLayout->addWidget(clearPageButton);
     buttonLayout->addWidget(deletePageButton);
     buttonLayout->addStretch();
     buttonLayout->addWidget(movePageUpButton);
     buttonLayout->addWidget(movePageDownButton);
 
     mainLayout->addLayout(buttonLayout);
     mainLayout->addWidget(m_pPageListView);
 }
 
 ThumbnailView::~ThumbnailView()
 {
     hide();
 }
 
 void ThumbnailView::hide()
 {
     QWidget::hide();
 
     if (inLoop) {
         inLoop = false;
         qApp->exit_loop();
     }
 }
 
 void ThumbnailView::exec()
 {
     show();
 
     if (!inLoop) {
         inLoop = true;
         qApp->enter_loop();
     }
 }
 
 void ThumbnailView::deletePage()
 {
     QMessageBox messageBox(tr("Delete Page"), tr("Do you want to delete\nthe selected page?"),
                            QMessageBox::Information, QMessageBox::Yes,
                            QMessageBox::No | QMessageBox::Escape | QMessageBox::Default,
                            QMessageBox::NoButton, this);
 
     messageBox.setButtonText(QMessageBox::Yes, tr("Yes"));
     messageBox.setButtonText(QMessageBox::No, tr("No"));
 
     if (messageBox.exec() == QMessageBox::Yes) {
         m_pDrawPadCanvas->deletePage();
+        m_pPageListView->updateView();
     }
 }
+
+void ThumbnailView::changePage()
+{
+    m_pDrawPadCanvas->selectPage(m_pPageListView->selected());
+}
diff --git a/noncore/graphics/drawpad/thumbnailview.h b/noncore/graphics/drawpad/thumbnailview.h
index ae97ff1..9417655 100644
--- a/noncore/graphics/drawpad/thumbnailview.h
+++ b/noncore/graphics/drawpad/thumbnailview.h
@@ -1,73 +1,75 @@
 /***************************************************************************
  *                                                                         *
  *   DrawPad - a drawing program for Opie Environment                      *
  *                                                                         *
  *   (C) 2002 by S. Prud'homme <prudhomme@laposte.net>                     *
  *                                                                         *
  *   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.                                   *
  *                                                                         *
  ***************************************************************************/
 
 #ifndef THUMBNAILVIEW_H
 #define THUMBNAILVIEW_H
 
 #include <qwidget.h>
 #include <qlistview.h>
 
 class DrawPadCanvas;
 class Page;
 
 class PageListViewItem : public QListViewItem
 {
 public:
     PageListViewItem(Page* page, QListView* parent);
     ~PageListViewItem();
 
     Page* page() const;
 
 private:
     Page* m_pPage;
 };
 
 class PageListView : public QListView
 {
 public:
     PageListView(DrawPadCanvas* drawPadCanvas, QWidget* parent = 0, const char* name = 0);
     ~PageListView();
 
     void updateView();
 
+    void select(Page* page);
     Page* selected() const;
 
 protected:
     void resizeEvent(QResizeEvent* e);
 
 private:
     DrawPadCanvas* m_pDrawPadCanvas;
 };
 
 class ThumbnailView : public QWidget
 {
     Q_OBJECT
 
 public:
     ThumbnailView(DrawPadCanvas* drawPadCanvas, QWidget* parent = 0, const char* name = 0);
     ~ThumbnailView();
     
     void hide();
     void exec();
 
 public slots:
     void deletePage();
+    void changePage();
 
 private:
     bool inLoop;
     DrawPadCanvas* m_pDrawPadCanvas;
 
     PageListView* m_pPageListView;
 };
 
 #endif // THUMBNAILVIEW_H