SF.net SVN: jazzplusplus:[1022] trunk/jazz/src

[<pst...@us...>]

Revision: 1022
          http://sourceforge.net/p/jazzplusplus/code/1022
Author:   pstieber
Date:     2013-04-08 04:30:34 +0000 (Mon, 08 Apr 2013)
Log Message:
-----------
Added mouse events.

Modified Paths:
--------------
    trunk/jazz/src/ArrayControl.cpp
    trunk/jazz/src/ArrayControl.h

Modified: trunk/jazz/src/ArrayControl.cpp
===================================================================
--- trunk/jazz/src/ArrayControl.cpp	2013-04-08 04:00:54 UTC (rev 1021)
+++ trunk/jazz/src/ArrayControl.cpp	2013-04-08 04:30:34 UTC (rev 1022)
@@ -49,6 +49,8 @@
 BEGIN_EVENT_TABLE(JZArrayControl, wxControl)
   EVT_SIZE(JZArrayControl::OnSize)
   EVT_PAINT(JZArrayControl::OnPaint)
+  EVT_MOUSE_EVENTS(JZArrayControl::OnMouseEvent)
+  EVT_MOUSE_CAPTURE_LOST(JZArrayControl::OnMouseCaptureLost)
 END_EVENT_TABLE()
 
 //-----------------------------------------------------------------------------
@@ -70,6 +72,8 @@
     mYNull(0),
     mWidth(0),
     mHeight(0),
+    mDragging(false),
+    mIndex(-1),
     mXMin(0),
     mXMax(RandomArray.Size())
 {
@@ -178,6 +182,155 @@
 
 //-----------------------------------------------------------------------------
 //-----------------------------------------------------------------------------
+void JZArrayControl::OnMouseEvent(wxMouseEvent& MouseEvent)
+{
+  if (!mEnabled)
+  {
+    return;
+  }
+  if (MouseEvent.ButtonDown())
+  {
+    ButtonDown(MouseEvent);
+  }
+  else if (MouseEvent.Dragging())
+  {
+    Dragging(MouseEvent);
+  }
+  else if (MouseEvent.ButtonUp())
+  {
+    ButtonUp(MouseEvent);
+  }
+}
+//-----------------------------------------------------------------------------
+//-----------------------------------------------------------------------------
+void JZArrayControl::OnMouseCaptureLost(wxMouseCaptureLostEvent&)
+{
+  if (HasCapture())
+  {
+    ReleaseMouse();
+  }
+}
+
+//-----------------------------------------------------------------------------
+//-----------------------------------------------------------------------------
+void JZArrayControl::ButtonDown(wxMouseEvent& MouseEvent)
+{
+  CaptureMouse();
+  mDragging = true;
+  mIndex = GetIndex(MouseEvent);
+  Dragging(MouseEvent);
+}
+
+//-----------------------------------------------------------------------------
+//-----------------------------------------------------------------------------
+void JZArrayControl::Dragging(wxMouseEvent& MouseEvent)
+{
+  if (!mDragging)
+  {
+    return;
+  }
+
+  if (mIndex < 0)
+  {
+    mIndex = GetIndex(MouseEvent);
+  }
+
+  wxClientDC Dc(this); // PORTING this is evil and shoud go
+
+  int Value = mpRandomArray->GetNull();
+  if (MouseEvent.LeftIsDown())
+  {
+    int EventX, EventY;
+    MouseEvent.GetPosition(&EventX, &EventY);
+
+    Value = (int)((double)(mY + mHeight - EventY) *
+      (mpRandomArray->GetMax() - mpRandomArray->GetMin()) / mHeight +
+      mpRandomArray->GetMin() + 0.5);
+
+    if (Value < mpRandomArray->GetMin())
+    {
+      Value = mpRandomArray->GetMin();
+    }
+    if (Value > mpRandomArray->GetMax())
+    {
+      Value = mpRandomArray->GetMax();
+    }
+  }
+
+  if (MouseEvent.ShiftDown())
+  {
+    for (int k = 0; k < mpRandomArray->Size(); ++k)
+    {
+      DrawBar(Dc, k, 0);
+      (*mpRandomArray)[k] = Value;
+      DrawBar(Dc, k, 1);
+    }
+  }
+  else if (MouseEvent.ControlDown())
+  {
+    DrawBar(Dc, mIndex, 0);
+    (*mpRandomArray)[mIndex] = Value;
+    DrawBar(Dc, mIndex, 1);
+  }
+  else
+  {
+    int i = GetIndex(MouseEvent);
+    int k = i;
+    if (i < mIndex)
+    {
+      for (; i <= mIndex; ++i)
+      {
+        DrawBar(Dc, i, 0);
+        (*mpRandomArray)[i] = Value;
+        DrawBar(Dc, i, 1);
+      }
+    }
+    else
+    {
+      for (; i >= mIndex; --i)
+      {
+        DrawBar(Dc, i, 0);
+        (*mpRandomArray)[i] = Value;
+        DrawBar(Dc, i, 1);
+      }
+    }
+    mIndex = k;
+  }
+}
+
+//-----------------------------------------------------------------------------
+//-----------------------------------------------------------------------------
+void JZArrayControl::ButtonUp(wxMouseEvent& MouseEvent)
+{
+  if (HasCapture())
+  {
+    ReleaseMouse();
+  }
+  mDragging = false;
+  mIndex    = -1;
+  Refresh();
+}
+
+//-----------------------------------------------------------------------------
+//-----------------------------------------------------------------------------
+int JZArrayControl::GetIndex(wxMouseEvent& MouseEvent)
+{
+  int EventX, EventY;
+  MouseEvent.GetPosition(&EventX, &EventY);
+  int Index = (int)((EventX - mX) * mpRandomArray->Size() / mWidth);
+  if (Index < 0)
+  {
+    Index = 0;
+  }
+  if (Index >= mpRandomArray->Size())
+  {
+    Index = mpRandomArray->Size() - 1;
+  }
+  return Index;
+}
+
+//-----------------------------------------------------------------------------
+//-----------------------------------------------------------------------------
 void JZArrayControl::DrawBar(wxDC& Dc, int i, bool black)
 {
   if (mStyleBits & ARED_LINES)

Modified: trunk/jazz/src/ArrayControl.h
===================================================================
--- trunk/jazz/src/ArrayControl.h	2013-04-08 04:00:54 UTC (rev 1021)
+++ trunk/jazz/src/ArrayControl.h	2013-04-08 04:30:34 UTC (rev 1022)
@@ -52,6 +52,18 @@
 
     void OnPaint(wxPaintEvent& Event);
 
+    void OnMouseEvent(wxMouseEvent& MouseEvent);
+
+    void OnMouseCaptureLost(wxMouseCaptureLostEvent& Event);
+
+    void ButtonDown(wxMouseEvent& MouseEvent);
+
+    void Dragging(wxMouseEvent& MouseEvent);
+
+    void ButtonUp(wxMouseEvent& MouseEvent);
+
+    int GetIndex(wxMouseEvent& MouseEvent);
+
     void DrawBar(wxDC& Dc, int i, bool black);
 
     void DrawLabel(wxDC& Dc);
@@ -79,6 +91,12 @@
     int mX, mY, mYNull;
     int mWidth, mHeight;
 
+    // Dragging flag.
+    bool mDragging;
+
+    // If ctrl is pushed: drag this one.
+    int mIndex;
+
     // Array size is mapped to this range for x-tick marks.
     int mXMin, mXMax;
 

This was sent by the SourceForge.net collaborative development platform, the world's largest Open Source development site.