Changing page order now works in thumbnail view

4 files changed, 65 insertions, 9 deletions

diff --git a/noncore/graphics/drawpad/drawpadcanvas.cpp b/noncore/graphics/drawpad/drawpadcanvas.cpp
index c23ee34..bcb6877 100644
--- a/noncore/graphics/drawpad/drawpadcanvas.cpp
+++ b/noncore/graphics/drawpad/drawpadcanvas.cpp
@@ -390,64 +390,82 @@ void DrawPadCanvas::newPage(uint width, uint height, const QColor& color)
 void DrawPadCanvas::clearPage()
 {
     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 pageBackupsChanged();
 }
 
 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();
 }
 
+void DrawPadCanvas::movePageUp()
+{
+    int index = m_pages.at();
+    Page* page = m_pages.take();
+    m_pages.insert(index - 1, page);
+
+    emit pagesChanged();
+}
+
+void DrawPadCanvas::movePageDown()
+{
+    int index = m_pages.at();
+    Page* page = m_pages.take();
+    m_pages.insert(index + 1, page);
+
+    emit pagesChanged();
+}
+
 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());
 }
 
 bool DrawPadCanvas::goNextPageEnabled()
 {
     return (m_pages.current() != m_pages.getLast());
 }
 
 void DrawPadCanvas::undo()
 {
     *(m_pages.current()) = *(m_pageBackups.prev());
 
     viewport()->update();
 
     emit pageBackupsChanged();
 }
 
 void DrawPadCanvas::redo()
 {
     *(m_pages.current()) = *(m_pageBackups.next());
diff --git a/noncore/graphics/drawpad/drawpadcanvas.h b/noncore/graphics/drawpad/drawpadcanvas.h
index d74d425..39cf752 100644
--- a/noncore/graphics/drawpad/drawpadcanvas.h
+++ b/noncore/graphics/drawpad/drawpadcanvas.h
@@ -26,58 +26,60 @@ 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(uint width, uint height, const QColor& color);
     void clearPage();
     void deletePage();
+    void movePageUp();
+    void movePageDown();
 
     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 0c7934e..428e008 100644
--- a/noncore/graphics/drawpad/thumbnailview.cpp
+++ b/noncore/graphics/drawpad/thumbnailview.cpp
@@ -141,132 +141,159 @@ Page* PageListView::selected() const
     } else {
         page = NULL;
     }
 
     return page;
 }
 
 ThumbnailView::ThumbnailView(DrawPad* drawPad, DrawPadCanvas* drawPadCanvas, QWidget* parent, const char* name)
     : QWidget(parent, name, Qt::WType_Modal | Qt::WType_TopLevel)
 {
     inLoop = false;
 
     m_pDrawPad = drawPad;
     m_pDrawPadCanvas = drawPadCanvas;
 
     setCaption(tr("DrawPad - Thumbnail View"));
 
     QToolButton* newPageButton = new QToolButton(this);
     newPageButton->setIconSet(Resource::loadIconSet("new"));
     newPageButton->setAutoRaise(true);
     connect(newPageButton, SIGNAL(clicked()), this, SLOT(newPage()));
 
     QToolButton* clearPageButton = new QToolButton(this);
     clearPageButton->setIconSet(Resource::loadIconSet("drawpad/clear"));
     clearPageButton->setAutoRaise(true);
     connect(clearPageButton, SIGNAL(clicked()), this, SLOT(clearPage()));
 
     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);
+    m_pMovePageUpButton = new QToolButton(this);
+    m_pMovePageUpButton->setIconSet(Resource::loadIconSet("up"));
+    m_pMovePageUpButton->setAutoRaise(true);
+    connect(m_pMovePageUpButton, SIGNAL(clicked()), this, SLOT(movePageUp()));
 
-    QToolButton* movePageDownButton = new QToolButton(this);
-    movePageDownButton->setIconSet(Resource::loadIconSet("down"));
-    movePageDownButton->setAutoRaise(true);
+    m_pMovePageDownButton = new QToolButton(this);
+    m_pMovePageDownButton->setIconSet(Resource::loadIconSet("down"));
+    m_pMovePageDownButton->setAutoRaise(true);
+    connect(m_pMovePageDownButton, SIGNAL(clicked()), this, SLOT(movePageDown()));
 
     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);
+    buttonLayout->addWidget(m_pMovePageUpButton);
+    buttonLayout->addWidget(m_pMovePageDownButton);
 
     mainLayout->addLayout(buttonLayout);
     mainLayout->addWidget(m_pPageListView);
+
+    updateView();
 }
 
 ThumbnailView::~ThumbnailView()
 {
     hide();
 }
 
+void ThumbnailView::updateView()
+{
+    m_pMovePageUpButton->setEnabled(m_pDrawPadCanvas->goPreviousPageEnabled());
+    m_pMovePageDownButton->setEnabled(m_pDrawPadCanvas->goNextPageEnabled());
+}
+
 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::newPage()
 {
     QRect rect = m_pDrawPadCanvas->contentsRect();
 
     NewPageDialog newPageDialog(rect.width(), rect.height(), m_pDrawPad->pen().color(),
                                 m_pDrawPad->brush().color(), this);
 
     if (newPageDialog.exec() == QDialog::Accepted) {
         m_pDrawPadCanvas->newPage(newPageDialog.selectedWidth(), newPageDialog.selectedHeight(),
                                   newPageDialog.selectedColor());
         m_pPageListView->updateView();
+        updateView();
     }
 }
 
 void ThumbnailView::clearPage()
 {
     QMessageBox messageBox(tr("Clear Page"), tr("Do you want to clear\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->clearPage();
         m_pPageListView->updateView();
     }
 }
 
 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();
+        updateView();
     }
 }
 
+void ThumbnailView::movePageUp()
+{
+    m_pDrawPadCanvas->movePageUp();
+    m_pPageListView->updateView();
+    updateView();
+}
+
+void ThumbnailView::movePageDown()
+{
+    m_pDrawPadCanvas->movePageDown();
+    m_pPageListView->updateView();
+    updateView();
+}
+
 void ThumbnailView::changePage()
 {
     m_pDrawPadCanvas->selectPage(m_pPageListView->selected());
+    updateView();
 }
diff --git a/noncore/graphics/drawpad/thumbnailview.h b/noncore/graphics/drawpad/thumbnailview.h
index 1fdb168..eb748fa 100644
--- a/noncore/graphics/drawpad/thumbnailview.h
+++ b/noncore/graphics/drawpad/thumbnailview.h
@@ -1,80 +1,89 @@
 /***************************************************************************
  *                                                                         *
  *   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 DrawPad;
 class DrawPadCanvas;
 class Page;
 
+class QToolButton;
+
 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(DrawPad* drawPad, DrawPadCanvas* drawPadCanvas, QWidget* parent = 0, const char* name = 0);
     ~ThumbnailView();
-    
+
+    void updateView();
+
     void hide();
     void exec();
 
 public slots:
     void newPage();
     void clearPage();
     void deletePage();
+    void movePageUp();
+    void movePageDown();
     void changePage();
 
 private:
     bool inLoop;
 
     DrawPad* m_pDrawPad;
     DrawPadCanvas* m_pDrawPadCanvas;
 
+    QToolButton* m_pMovePageUpButton;
+    QToolButton* m_pMovePageDownButton;
+
     PageListView* m_pPageListView;
 };
 
 #endif // THUMBNAILVIEW_H