add wxImage test units to test loading from both seekable and non-seekable streams

[wxWidgets.git] / src / os2 / checklst.cpp

diff --git a/src/os2/checklst.cpp b/src/os2/checklst.cpp
index ecabf5408ec88e1889148ad9db7fd8210e8fc5db..f0a3ac723bc88e2b18527d57b4a673e2849e5885 100644 (file)
--- a/src/os2/checklst.cpp
+++ b/src/os2/checklst.cpp
@@ -1,11 +1,11 @@
 ///////////////////////////////////////////////////////////////////////////////
 ///////////////////////////////////////////////////////////////////////////////

-// Name:        checklst.cpp
+// Name:        src/os2/checklst.cpp

 // Purpose:     implementation of wxCheckListBox class
 // Purpose:     implementation of wxCheckListBox class

-// Author:      AUTHOR
-// Modified by: 
-// Created:     ??/??/98
+// Author:      David Webster
+// Modified by:
+// Created:     10/13/99

 // RCS-ID:      $Id$
 // RCS-ID:      $Id$

-// Copyright:   (c) AUTHOR
+// Copyright:   (c) David Webster

 // Licence:     wxWindows licence
 ///////////////////////////////////////////////////////////////////////////////
 
 // Licence:     wxWindows licence
 ///////////////////////////////////////////////////////////////////////////////
 


@@ -13,19 +13,208 @@
 // headers & declarations
 // ============================================================================
 
 // headers & declarations
 // ============================================================================
 

-#ifdef __GNUG__
-#pragma implementation "checklst.h"
-#endif
+// For compilers that support precompilation, includes "wx.h".
+#include "wx/wxprec.h"
+
+#if wxUSE_CHECKLISTBOX && wxUSE_OWNER_DRAWN

 
 #include "wx/checklst.h"
 
 
 #include "wx/checklst.h"
 

+#ifndef WX_PRECOMP
+    #include "wx/object.h"
+    #include "wx/log.h"
+    #include "wx/window.h"
+    #include "wx/dcmemory.h"
+    #include "wx/dcscreen.h"
+    #include "wx/settings.h"
+    #include "wx/listbox.h"
+    #include "wx/bitmap.h"
+    #include "wx/colour.h"
+    #include "wx/font.h"
+#endif
+
+#include "wx/os2/dc.h"
+#include "wx/ownerdrw.h"
+
+#define INCL_PM
+#include <os2.h>
+
+// ----------------------------------------------------------------------------
+// private functions
+// ----------------------------------------------------------------------------
+
+// get item (converted to right type)
+#define GetItem(n)    ((wxCheckListBoxItem *)(GetItem(n)))
+

 // ============================================================================
 // implementation
 // ============================================================================
 
 // ============================================================================
 // implementation
 // ============================================================================
 

-#if !USE_SHARED_LIBRARY
-  IMPLEMENT_DYNAMIC_CLASS(wxCheckListBox, wxListBox)
-#endif
+IMPLEMENT_DYNAMIC_CLASS(wxCheckListBox, wxListBox)
+
+// ----------------------------------------------------------------------------
+// declaration and implementation of wxCheckListBoxItem class
+// ----------------------------------------------------------------------------
+
+class wxCheckListBoxItem : public wxOwnerDrawn
+{
+    friend class wxCheckListBox;
+public:
+    //
+    // ctor
+    //
+    wxCheckListBoxItem(wxCheckListBox* pParent, size_t nIndex);
+
+    //
+    // Drawing functions
+    //
+    virtual bool OnDrawItem( wxDC&         rDc,
+                             const wxRect& rRect,
+                             wxODAction    eAct,
+                             wxODStatus    eStat
+                           );
+
+    //
+    // Simple accessors
+    //
+    bool IsChecked(void) const  { return m_bChecked; }
+    void Check(bool bCheck);
+    void Toggle(void) { Check(!IsChecked()); }
+
+private:
+    bool            m_bChecked;
+    wxCheckListBox* m_pParent;
+    size_t          m_nIndex;
+}; // end of CLASS wxCheckListBoxItem
+
+
+
+wxCheckListBoxItem::wxCheckListBoxItem(wxCheckListBox* pParent, size_t nIndex)
+                   :wxOwnerDrawn( wxEmptyString, true /* checkable */ )
+{
+    m_bChecked = false;
+    m_pParent  = pParent;
+    m_nIndex   = nIndex;
+
+    //
+    // We don't initialize m_nCheckHeight/Width vars because it's
+    // done in OnMeasure while they are used only in OnDraw and we
+    // know that there will always be OnMeasure before OnDraw
+    //
+    SetMarginWidth(GetDefaultMarginWidth());
+} // end of wxCheckListBoxItem::wxCheckListBoxItem
+
+
+
+bool wxCheckListBoxItem::OnDrawItem ( wxDC& rDc,
+                                      const wxRect& rRect,
+                                      wxODAction eAct,
+                                      wxODStatus eStat )
+{
+    wxRect vRect = rRect;
+
+
+    wxPMDCImpl *impl = (wxPMDCImpl*) rDc.GetImpl();
+    ::WinQueryWindowRect( m_pParent->GetHWND(), &impl->m_vRclPaint );
+    if (IsChecked())
+        eStat = (wxOwnerDrawn::wxODStatus)(eStat | wxOwnerDrawn::wxODChecked);
+
+    //
+    // Unfortunately PM doesn't quite get the text position exact.  We need to alter
+    // it down and to the right, just a little bit.  The coords in rRect are OS/2
+    // coords not wxWidgets coords.
+    //
+    vRect.x += 5;
+    vRect.y -= 3;
+    if (wxOwnerDrawn::OnDrawItem( rDc, vRect, eAct, eStat))
+    {
+        size_t    nCheckWidth  = GetDefaultMarginWidth();
+        size_t    nCheckHeight = m_pParent->GetItemHeight();
+        int       nParentHeight;
+        int       nX = rRect.GetX();
+        int       nY = rRect.GetY();
+        int       nOldY = nY;
+        wxColour  vColour(wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOW));
+        wxPen     vPenBack;
+        wxPen     vPenPrev;
+
+        m_pParent->GetSize( NULL, &nParentHeight);
+
+        nY = nParentHeight - nY - nCheckHeight;
+        vPenBack = wxPen(vColour, 1, wxSOLID);
+
+        //
+        // Erase the 1-pixel border
+        //
+        rDc.SetPen(vPenBack);
+        rDc.DrawRectangle( nX, nY, nCheckWidth, nCheckHeight );
+
+        //
+        // Now we draw the smaller rectangle
+        //
+        nY++;
+        nCheckWidth  -= 2;
+        nCheckHeight -= 2;
+
+        //
+        // Draw hollow gray rectangle
+        //
+        rDc.SetPen(*wxGREY_PEN);
+        rDc.DrawRectangle( nX, nY, nCheckWidth, nCheckHeight );
+
+        nX++;
+        if (IsChecked())
+        {
+            //
+            // Draw the check by loading the sys standard bitmap and drawing it
+            //
+            HBITMAP hChkBmp = ::WinGetSysBitmap( HWND_DESKTOP, SBMP_MENUCHECK );
+            POINTL  vPoint = {nX, nOldY + 3};
+            wxPMDCImpl *impl = (wxPMDCImpl*) rDc.GetImpl();
+            ::WinDrawBitmap( impl->GetHPS(),
+                             hChkBmp,
+                             NULL,
+                             &vPoint,
+                             NULL,
+                             NULL,
+                             DBM_NORMAL
+                           );
+        }
+        return true;
+    }
+    return false;
+} // end of wxCheckListBoxItem::OnDrawItem
+
+//
+// Change the state of the item and redraw it
+//
+void wxCheckListBoxItem::Check( bool bCheck )
+{
+    m_bChecked = bCheck;
+
+    //
+    // Index may be chanegd because new items were added/deleted
+    //
+    if (m_pParent->GetItemIndex(this) != (int)m_nIndex)
+    {
+        //
+        // Update it
+        //
+        int nIndex = m_pParent->GetItemIndex(this);
+
+        wxASSERT_MSG(nIndex != wxNOT_FOUND, wxT("what does this item do here?"));
+
+        m_nIndex = (size_t)nIndex;
+    }
+
+
+    wxCommandEvent vEvent( wxEVT_COMMAND_CHECKLISTBOX_TOGGLED,m_pParent->GetId());
+
+    vEvent.SetInt(m_nIndex);
+    vEvent.SetEventObject(m_pParent);
+    m_pParent->ProcessCommand(vEvent);
+} // end of wxCheckListBoxItem::Check
+

 
 // ----------------------------------------------------------------------------
 // implementation of wxCheckListBox class
 
 // ----------------------------------------------------------------------------
 // implementation of wxCheckListBox class


@@ -34,41 +223,189 @@
 // define event table
 // ------------------
 BEGIN_EVENT_TABLE(wxCheckListBox, wxListBox)
 // define event table
 // ------------------
 BEGIN_EVENT_TABLE(wxCheckListBox, wxListBox)

+    EVT_CHAR(wxCheckListBox::OnChar)
+    EVT_LEFT_DOWN(wxCheckListBox::OnLeftClick)

 END_EVENT_TABLE()
 
 END_EVENT_TABLE()
 

-// control creation
+
+
+//
+// Control creation

 // ----------------
 // ----------------

+//
+
+//
+// Default ctor: use Create() to really create the control
+//
+wxCheckListBox::wxCheckListBox()
+               :wxCheckListBoxBase()
+{
+} // end of wxCheckListBox::wxCheckListBox

 
 

-// def ctor: use Create() to really create the control
-wxCheckListBox::wxCheckListBox() : wxListBox()
+//
+// Ctor which creates the associated control
+//
+wxCheckListBox::wxCheckListBox ( wxWindow* pParent,
+                                 wxWindowID vId,
+                                 const wxPoint& rPos,
+                                 const wxSize& rSize,
+                                 int nStrings,
+                                 const wxString asChoices[],
+                                 long lStyle,
+                                 const wxValidator& rVal,
+                                 const wxString& rsName)
+               :wxCheckListBoxBase()

 {
 {

-}
-
-// ctor which creates the associated control
-wxCheckListBox::wxCheckListBox(wxWindow *parent, wxWindowID id,
-                               const wxPoint& pos, const wxSize& size,
-                               int nStrings, const wxString choices[],
-                               long style, const wxValidator& val,
-                               const wxString& name)
-              : wxListBox()
+    Create( pParent, vId, rPos, rSize, nStrings, asChoices, lStyle | wxLB_OWNERDRAW, rVal, rsName );
+} // end of wxCheckListBox::wxCheckListBox
+
+wxCheckListBox::wxCheckListBox ( wxWindow* pParent,
+                                 wxWindowID vId,
+                                 const wxPoint& rPos,
+                                 const wxSize& rSize,
+                                 const wxArrayString& asChoices,
+                                 long lStyle,
+                                 const wxValidator& rVal,
+                                 const wxString& rsName )
+               :wxCheckListBoxBase()
+{
+    wxCArrayString chs(asChoices);
+    Create( pParent, vId, rPos, rSize, chs.GetCount(), chs.GetStrings(),
+            lStyle | wxLB_OWNERDRAW, rVal, rsName );
+} // end of wxCheckListBox::wxCheckListBox
+
+void wxCheckListBox::Delete(unsigned int n)
+{
+    wxCHECK_RET( IsValid(n),
+                 wxT("invalid index in wxCheckListBox::Delete") );
+    wxListBox::Delete(n);
+
+    //
+    // Free memory
+    //
+    delete m_aItems[n];
+    m_aItems.RemoveAt(n);
+} // end of wxCheckListBox::Delete
+
+bool wxCheckListBox::SetFont ( const wxFont& rFont )

 {
 {

-    // TODO: you'll probably need a separate Create instead of using
-    // the wxListBox one as here.
-    Create(parent, id, pos, size, nStrings, choices, style|wxLB_OWNERDRAW, val, name);
-}
+    for (unsigned int i = 0; i < m_aItems.GetCount(); i++)
+        m_aItems[i]->SetFont(rFont);
+    wxListBox::SetFont(rFont);
+    return true;
+} // end of wxCheckListBox::SetFont
+
+

 
 

-// check items
+//
+// Create/retrieve item
+// --------------------
+//
+
+//
+// Create a check list box item
+//
+wxOwnerDrawn* wxCheckListBox::CreateItem(size_t nIndex)
+{
+    wxCheckListBoxItem* pItem = new wxCheckListBoxItem( this, nIndex );
+    return pItem;
+} // end of wxCheckListBox::CreateItem
+
+
+
+//
+// Return item size
+// ----------------
+//
+long wxCheckListBox::OS2OnMeasure ( WXMEASUREITEMSTRUCT* pItem )
+{
+    if (!pItem)
+        pItem = (WXMEASUREITEMSTRUCT*)new OWNERITEM;
+    if (wxListBox::OS2OnMeasure(pItem))
+    {
+        POWNERITEM pStruct = (POWNERITEM)pItem;
+
+        //
+        // Save item height
+        //
+        m_nItemHeight = pStruct->rclItem.yTop - pStruct->rclItem.yBottom;
+
+        //
+        // Add place for the check mark
+        //
+        pStruct->rclItem.xRight += wxOwnerDrawn::GetDefaultMarginWidth();
+        return long(MRFROM2SHORT((USHORT)m_nItemHeight, (USHORT)(pStruct->rclItem.xRight - pStruct->rclItem.xLeft)));
+    }
+    return 0L;
+} // end of wxCheckListBox::CreateItem
+
+
+
+//
+// Check items

 // -----------
 // -----------

+//
+bool wxCheckListBox::IsChecked(unsigned int uiIndex) const
+{
+    return GetItem(uiIndex)->IsChecked();
+} // end of wxCheckListBox::IsChecked
+
+void wxCheckListBox::Check(unsigned int uiIndex, bool bCheck)
+{
+    GetItem(uiIndex)->Check(bCheck);
+} // end of wxCheckListBox::Check
+
+

 
 

-bool wxCheckListBox::IsChecked(uint uiIndex) const
+//
+// Process events
+// --------------
+//
+void wxCheckListBox::OnChar ( wxKeyEvent& rEvent )

 {
 {

-    // TODO
-    return FALSE;
-}
+    if (rEvent.GetKeyCode() == WXK_SPACE)
+        GetItem(GetSelection())->Toggle();
+    else
+        rEvent.Skip();
+} // end of wxCheckListBox::OnChar

 
 

-void wxCheckListBox::Check(uint uiIndex, bool bCheck)
+void wxCheckListBox::OnLeftClick ( wxMouseEvent& rEvent )

 {
 {

-    // TODO
-}
+    //
+    // Clicking on the item selects it, clicking on the checkmark toggles
+    //
+    if (rEvent.GetX() <= wxOwnerDrawn::GetDefaultMarginWidth())
+    {
+        int                         nParentHeight;
+        wxScreenDC                  vDc;
+        wxCoord                     vHeight;
+
+        GetSize( NULL, &nParentHeight );
+        vDc.SetFont(GetFont());
+        vHeight = (wxCoord)(vDc.GetCharHeight() * 2.5);
+
+        //
+        // This, of course, will not work if the LB is scrolled
+        //
+        int nY = rEvent.GetY();
+
+        nY = nParentHeight - (nY + vHeight);
+
+        size_t nItem = (size_t)(nY / vHeight);

 
 

+        if (nItem < m_nNumItems)
+            GetItem(nItem)->Toggle();
+        //
+        // else: it's not an error, just click outside of client zone
+        //
+    }
+    else
+    {
+        //
+        // Implement default behaviour: clicking on the item selects it
+        //
+        rEvent.Skip();
+    }
+} // end of wxCheckListBox::OnLeftClick

 
 

+#endif // wxUSE_CHECKLISTBOX && wxUSE_OWNER_DRAWN