From bd0f3345a938b35ce6a12f6150373b0955b8dd12 Mon Sep 17 00:00:00 2001 From: Timothy Pearson Date: Sun, 10 Jul 2011 15:24:15 -0500 Subject: Add Qt3 development HEAD version --- doc/html/chart-canvasview-cpp.html | 97 ++++++++++++++++++++++++++++++++++++++ 1 file changed, 97 insertions(+) create mode 100644 doc/html/chart-canvasview-cpp.html (limited to 'doc/html/chart-canvasview-cpp.html') diff --git a/doc/html/chart-canvasview-cpp.html b/doc/html/chart-canvasview-cpp.html new file mode 100644 index 0000000..0f7b9ab --- /dev/null +++ b/doc/html/chart-canvasview-cpp.html @@ -0,0 +1,97 @@ + + + + + +chart/canvasview.cpp Example File + + + + + + + +

chart/canvasview.cpp Example File

+ + +

#include "canvasview.h"
+#include "chartform.h"
+
+#include <qcursor.h>
+#include <qpoint.h>
+#include <qpopupmenu.h>
+#include <qstatusbar.h>
+
+
+void CanvasView::contentsContextMenuEvent( QContextMenuEvent * )
+{
+    ((ChartForm*)parent())->optionsMenu->exec( QCursor::pos() );
+}
+
+
+void CanvasView::viewportResizeEvent( QResizeEvent *e )
+{
+    canvas()->resize( e->size().width(), e->size().height() );
+    ((ChartForm*)parent())->drawElements();
+}
+
+
+void CanvasView::contentsMousePressEvent( QMouseEvent *e )
+{
+    QCanvasItemList list = canvas()->collisions( e->pos() );
+    for ( QCanvasItemList::iterator it = list.begin(); it != list.end(); ++it )
+        if ( (*it)->rtti() == CanvasText::CANVAS_TEXT ) {
+            m_movingItem = *it;
+            m_pos = e->pos();
+            return;
+        }
+    m_movingItem = 0;
+}
+
+
+void CanvasView::contentsMouseMoveEvent( QMouseEvent *e )
+{
+    if ( m_movingItem ) {
+        QPoint offset = e->pos() - m_pos;
+        m_movingItem->moveBy( offset.x(), offset.y() );
+        m_pos = e->pos();
+        ChartForm *form = (ChartForm*)parent();
+        form->setChanged( TRUE );
+        int chartType = form->chartType();
+        CanvasText *item = (CanvasText*)m_movingItem;
+        int i = item->index();
+
+        (*m_elements)[i].setProX( chartType, item->x() / canvas()->width() );
+        (*m_elements)[i].setProY( chartType, item->y() / canvas()->height() );
+
+        canvas()->update();
+    }
+}
+
+
+

+ +

Trademarks +

Qt 3.3.8

+ -- cgit v1.2.3