Make progress in thumbnail view

5 files changed, 262 insertions, 120 deletions

diff --git a/noncore/graphics/drawpad/drawpad.cpp b/noncore/graphics/drawpad/drawpad.cpp
index b325323..58c0d09 100644
--- a/noncore/graphics/drawpad/drawpad.cpp
+++ b/noncore/graphics/drawpad/drawpad.cpp
@@ -40,2 +40,3 @@
 #include <qfile.h>
+#include <qmessagebox.h>
 #include <qpainter.h>
@@ -68,3 +69,3 @@ DrawPad::DrawPad(QWidget* parent, const char* name)
     QAction* deleteAllAction = new QAction(tr("Delete All"), QString::null, 0, this);
-    connect(deleteAllAction, SIGNAL(activated()), m_pDrawPadCanvas, SLOT(deleteAll()));
+    connect(deleteAllAction, SIGNAL(activated()), this, SLOT(deleteAll()));
     deleteAllAction->addTo(toolsPopupMenu);
@@ -98,3 +99,3 @@ DrawPad::DrawPad(QWidget* parent, const char* name)
     QAction* clearPageAction = new QAction(tr("Clear Page"), Resource::loadIconSet("drawpad/clear"), QString::null, 0, this);
-    connect(clearPageAction, SIGNAL(activated()), m_pDrawPadCanvas, SLOT(clearPage()));
+    connect(clearPageAction, SIGNAL(activated()), this, SLOT(clearPage()));
     clearPageAction->addTo(pageToolBar);
@@ -102,3 +103,3 @@ DrawPad::DrawPad(QWidget* parent, const char* name)
     QAction* deletePageAction = new QAction(tr("Delete Page"), Resource::loadIconSet("trash"), QString::null, 0, this);
-    connect(deletePageAction, SIGNAL(activated()), m_pDrawPadCanvas, SLOT(deletePage()));
+    connect(deletePageAction, SIGNAL(activated()), this, SLOT(deletePage()));
     deletePageAction->addTo(pageToolBar);
@@ -269,2 +270,32 @@ DrawPad::~DrawPad()
 
+void DrawPad::clearPage()
+{
+    QMessageBox messageBox(tr("Clear Page"), tr("Do you want to clear\nthe current 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();
+    }
+}
+
+void DrawPad::deletePage()
+{
+    QMessageBox messageBox(tr("Delete Page"), tr("Do you want to delete\nthe current 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();
+    }
+}
+
 void DrawPad::setPointTool()
@@ -501,2 +532,17 @@ void DrawPad::updateCaption()
 
+void DrawPad::deleteAll()
+{
+    QMessageBox messageBox(tr("Delete All"), tr("Do you want to delete\nall the pages?"),
+                           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->deleteAll();
+    }
+}
+
 void DrawPad::importPage()
@@ -531,3 +577,3 @@ void DrawPad::thumbnailView()
 {
-    ThumbnailView thumbnailView(m_pDrawPadCanvas->pages(), this);
+    ThumbnailView thumbnailView(m_pDrawPadCanvas, this);
 
diff --git a/noncore/graphics/drawpad/drawpad.h b/noncore/graphics/drawpad/drawpad.h
index b0b3666..01061b4 100644
--- a/noncore/graphics/drawpad/drawpad.h
+++ b/noncore/graphics/drawpad/drawpad.h
@@ -41,2 +41,5 @@ public:
 private slots:
+    void clearPage();
+    void deletePage();
+
     void setPointTool();
@@ -59,2 +62,3 @@ private slots:
 
+    void deleteAll();
     void importPage();
diff --git a/noncore/graphics/drawpad/drawpadcanvas.cpp b/noncore/graphics/drawpad/drawpadcanvas.cpp
index 79bef35..252f4d5 100644
--- a/noncore/graphics/drawpad/drawpadcanvas.cpp
+++ b/noncore/graphics/drawpad/drawpadcanvas.cpp
@@ -26,3 +26,2 @@
 #include <qimage.h>
-#include <qmessagebox.h>
 #include <qpainter.h>
@@ -348,25 +347,15 @@ void DrawPadCanvas::deleteAll()
 {
-    QMessageBox messageBox(tr("Delete All"), tr("Do you want to delete\nall the pages?"),
-                           QMessageBox::Information, QMessageBox::Yes,
-                           QMessageBox::No | QMessageBox::Escape | QMessageBox::Default,
-                           QMessageBox::NoButton, this);
+    m_pages.clear();
 
-    messageBox.setButtonText(QMessageBox::Yes, tr("Yes"));
-    messageBox.setButtonText(QMessageBox::No, tr("No"));
-
-    if (messageBox.exec() == QMessageBox::Yes) {
-        m_pages.clear();
-
-        m_pages.append(new Page(contentsRect().size()));
-        m_pages.current()->fill(Qt::white);
+    m_pages.append(new Page(contentsRect().size()));
+    m_pages.current()->fill(Qt::white);
 
-        m_pageBackups.clear();
-        m_pageBackups.append(new Page(*(m_pages.current())));
+    m_pageBackups.clear();
+    m_pageBackups.append(new Page(*(m_pages.current())));
 
-        resizeContents(m_pages.current()->width(), m_pages.current()->height());
-        viewport()->update();
+    resizeContents(m_pages.current()->width(), m_pages.current()->height());
+    viewport()->update();
 
-        emit pagesChanged();
-        emit pageBackupsChanged();
-    }
+    emit pagesChanged();
+    emit pageBackupsChanged();
 }
@@ -398,15 +387,5 @@ void DrawPadCanvas::clearPage()
 {
-    QMessageBox messageBox(tr("Clear Page"), tr("Do you want to clear\nthe current 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_pages.current()->fill(Qt::white);
+    m_pages.current()->fill(Qt::white);
 
-        viewport()->update();
-    }
+    viewport()->update();
 }
@@ -415,27 +394,17 @@ void DrawPadCanvas::deletePage()
 {
-   QMessageBox messageBox(tr("Delete Page"), tr("Do you want to delete\nthe current 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"));
+    m_pages.remove(m_pages.current());
 
-    if (messageBox.exec() == QMessageBox::Yes) {
-        m_pages.remove(m_pages.current());
-
-        if (m_pages.isEmpty()) {
-            m_pages.append(new Page(contentsRect().size()));
-            m_pages.current()->fill(Qt::white);
-        }
+    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())));
+    m_pageBackups.clear();
+    m_pageBackups.append(new Page(*(m_pages.current())));
 
-        resizeContents(m_pages.current()->width(), m_pages.current()->height());
-        viewport()->update();
+    resizeContents(m_pages.current()->width(), m_pages.current()->height());
+    viewport()->update();
 
-        emit pagesChanged();
-        emit pageBackupsChanged();
-    }
+    emit pagesChanged();
+    emit pageBackupsChanged();
 }
diff --git a/noncore/graphics/drawpad/thumbnailview.cpp b/noncore/graphics/drawpad/thumbnailview.cpp
index 10ade90..1754ce9 100644
--- a/noncore/graphics/drawpad/thumbnailview.cpp
+++ b/noncore/graphics/drawpad/thumbnailview.cpp
@@ -15,2 +15,3 @@
 
+#include "drawpadcanvas.h"
 #include "page.h"
@@ -19,2 +20,3 @@
 
+#include <qapplication.h>
 #include <qheader.h>
@@ -22,76 +24,136 @@
 #include <qlayout.h>
-#include <qlistview.h>
+#include <qmessagebox.h>
 #include <qtoolbutton.h>
 
-ThumbnailView::ThumbnailView(QList<Page> pages, QWidget* parent, const char* name)
-    : QDialog(parent, name, true)
+PageListViewItem::PageListViewItem(Page* page, QListView* parent)
+    : QListViewItem(parent)
 {
-    setCaption(tr("Thumbnail"));
+    m_pPage = page;
 
-    QToolButton* newPageButton = new QToolButton(this);
-    newPageButton->setIconSet(Resource::loadIconSet("new"));
-    newPageButton->setAutoRaise(true);
+    QImage image = m_pPage->convertToImage();
 
-    QToolButton* clearPageButton = new QToolButton(this);
-    clearPageButton->setIconSet(Resource::loadIconSet("drawpad/clear"));
-    clearPageButton->setAutoRaise(true);
+    int previewWidth = 64;
+    int previewHeight = 64;
 
-    QToolButton* deletePageButton = new QToolButton(this);
-    deletePageButton->setIconSet(Resource::loadIconSet("trash"));
-    deletePageButton->setAutoRaise(true);
+    float widthScale = 1.0;
+    float heightScale = 1.0;
 
-    QToolButton* movePageUpButton = new QToolButton(this);
-    movePageUpButton->setIconSet(Resource::loadIconSet("up"));
-    movePageUpButton->setAutoRaise(true);
+    if (previewWidth < image.width()) {
+        widthScale = (float)previewWidth / float(image.width());
+    }
 
-    QToolButton* movePageDownButton = new QToolButton(this);
-    movePageDownButton->setIconSet(Resource::loadIconSet("down"));
-    movePageDownButton->setAutoRaise(true);
+    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);
 
-    m_pListView = new QListView(this);
+    QPixmap pixmap(64, 64);
 
-    m_pListView->header()->hide();
-    m_pListView->setAllColumnsShowFocus(true);
+    pixmap.fill(listView()->colorGroup().mid());
+    bitBlt(&pixmap, (pixmap.width() - previewPixmap.width()) / 2,
+           (pixmap.height() - previewPixmap.height()) / 2, &previewPixmap);
 
-    m_pListView->addColumn(tr("Thumbnail"));
-    m_pListView->addColumn(tr("Information"));
+    setPixmap(0, pixmap);
+}
 
-    m_pListView->setColumnAlignment(0, Qt::AlignHCenter | Qt::AlignVCenter);
-    m_pListView->setColumnAlignment(1, Qt::AlignTop);
+PageListViewItem::~PageListViewItem()
+{
+}
+
+Page* PageListViewItem::page() const
+{
+    return m_pPage;
+}
 
-    QListIterator<Page> iterator(pages);
+PageListView::PageListView(DrawPadCanvas* drawPadCanvas, QWidget* parent, const char* name)
+    : QListView(parent, name)
+{
+    m_pDrawPadCanvas = drawPadCanvas;
 
-    for (; iterator.current(); ++iterator) {
-        QImage image = iterator.current()->convertToImage();
+    header()->hide();
+    setVScrollBarMode(QScrollView::AlwaysOn);
+    setAllColumnsShowFocus(true);
 
-        int previewWidth = 64;
-        int previewHeight = 64;
+    addColumn(tr("Thumbnail"));
+    addColumn(tr("Information"));
 
-        float widthScale = 1.0;
-        float heightScale = 1.0;
+    updateView();
+}
 
-        if (previewWidth < image.width()) {
-            widthScale = (float)previewWidth / float(image.width());
-        }
+PageListView::~PageListView()
+{
+}
+
+void PageListView::updateView()
+{
+    clear();
 
-        if (previewHeight < image.height()) {
-            heightScale = (float)previewHeight / float(image.height());
+    if (m_pDrawPadCanvas) {
+        QList<Page> pageList = m_pDrawPadCanvas->pages();
+        QListIterator<Page> it(pageList);
+
+        for (; it.current(); ++it) {
+            new PageListViewItem(it.current(), this);
         }
+    }
+}
 
-        float scale = (widthScale < heightScale ? widthScale : heightScale);
-        QImage previewImage = image.smoothScale((int)(image.width() * scale) , (int)(image.height() * scale));
+void PageListView::resizeEvent(QResizeEvent* e)
+{
+    Q_UNUSED(e);
 
-        QPixmap previewPixmap;
-        previewPixmap.convertFromImage(previewImage);
+    setColumnWidth(1, contentsRect().width() - columnWidth(0) - verticalScrollBar()->width());
+}
 
-        QPixmap pixmap(64, 64);
+Page* PageListView::selected() const
+{
+    Page* page;
 
-        pixmap.fill(colorGroup().mid());
-        bitBlt(&pixmap, (pixmap.width() - previewPixmap.width()) / 2, 
-               (pixmap.height() - previewPixmap.height()) / 2, &previewPixmap);
+    PageListViewItem* item = (PageListViewItem*)selectedItem();
 
-        QListViewItem* item = new QListViewItem(m_pListView);
-        item->setPixmap(0, pixmap);
+    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);
+
+    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);
+
     QVBoxLayout* mainLayout = new QVBoxLayout(this, 4, 4);
@@ -107,3 +169,3 @@ ThumbnailView::ThumbnailView(QList<Page> pages, QWidget* parent, const char* nam
     mainLayout->addLayout(buttonLayout);
-    mainLayout->addWidget(m_pListView);
+    mainLayout->addWidget(m_pPageListView);
 }
@@ -112,10 +174,38 @@ ThumbnailView::~ThumbnailView()
 {
+    hide();
 }
 
-void ThumbnailView::resizeEvent(QResizeEvent* e)
+void ThumbnailView::hide()
 {
-    QDialog::resizeEvent(e);
+    QWidget::hide();
+
+    if (inLoop) {
+        inLoop = false;
+        qApp->exit_loop();
+    }
+}
 
-    m_pListView->setColumnWidth(1, m_pListView->contentsRect().width() - m_pListView->columnWidth(0)
-                                   - m_pListView->verticalScrollBar()->width());
+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();
+    }
 }
diff --git a/noncore/graphics/drawpad/thumbnailview.h b/noncore/graphics/drawpad/thumbnailview.h
index c74730d..ae97ff1 100644
--- a/noncore/graphics/drawpad/thumbnailview.h
+++ b/noncore/graphics/drawpad/thumbnailview.h
@@ -16,17 +16,29 @@
 
-#include <qdialog.h>
+#include <qwidget.h>
+#include <qlistview.h>
 
-#include <qlist.h>
+class DrawPadCanvas;
+class Page;
 
-class QListView;
+class PageListViewItem : public QListViewItem
+{
+public:
+    PageListViewItem(Page* page, QListView* parent);
+    ~PageListViewItem();
 
-class Page;
+    Page* page() const;
 
-class ThumbnailView : public QDialog
-{ 
-    Q_OBJECT
+private:
+    Page* m_pPage;
+};
 
+class PageListView : public QListView
+{
 public:
-    ThumbnailView(QList<Page> pages, QWidget* parent = 0, const char* name = 0);
-    ~ThumbnailView();
+    PageListView(DrawPadCanvas* drawPadCanvas, QWidget* parent = 0, const char* name = 0);
+    ~PageListView();
+
+    void updateView();
+
+    Page* selected() const;
 
@@ -36,3 +48,24 @@ protected:
 private:
-    QListView* m_pListView;
+    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();
+
+private:
+    bool inLoop;
+    DrawPadCanvas* m_pDrawPadCanvas;
+
+    PageListView* m_pPageListView;
 };