contrib/src/foldbar/foldpanelitem.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        foldpanelitem.cpp
   3 // Purpose:
   4 // Author:      Jorgen Bodde
   5 // Modified by: ABX - 19/12/2004 : possibility of horizontal orientation
   6 //                               : wxWidgets coding standards
   7 // Created:     22/06/2004
   8 // RCS-ID:      $Id$
   9 // Copyright:   (c) Jorgen Bodde
  10 // Licence:     wxWindows licence
  11 /////////////////////////////////////////////////////////////////////////////
  12
  13 // For compilers that support precompilation, includes "wx/wx.h".
  14 #include "wx/wxprec.h"
  15
  16 #ifdef __BORLANDC__
  17     #pragma hdrstop
  18 #endif
  19
  20 #ifndef WX_PRECOMP
  21     #include "wx/wx.h"
  22 #endif
  23
  24 #include "wx/foldbar/foldpanelbar.h"
  25
  26 #include <wx/arrimpl.cpp>
  27 WX_DEFINE_OBJARRAY(wxFoldWindowItemArray);
  28
  29 //----------------------------------------------------------------------------
  30 // wxFoldPanelItem
  31 //----------------------------------------------------------------------------
  32
  33 IMPLEMENT_CLASS( wxFoldPanelItem, wxPanel )
  34
  35 BEGIN_EVENT_TABLE(wxFoldPanelItem,wxPanel)
  36     EVT_CAPTIONBAR(wxID_ANY, wxFoldPanelItem::OnPressCaption)
  37     EVT_PAINT(wxFoldPanelItem::OnPaint)
  38     //EVT_SIZE(wxFoldPanelItem::OnSize)
  39 END_EVENT_TABLE()
  40
  41 wxFoldPanelItem::wxFoldPanelItem( wxWindow *parent, const wxString &caption, wxImageList *icons, bool collapsedInitially,
  42                                   const wxCaptionBarStyle &style )
  43     : m_controlCreated(false)
  44     , m_userSize(0)
  45     , m_panelSize(0)
  46     , m_lastInsertPos(0)
  47     , m_itemPos(0)
  48     , m_userSized(false)
  49 {
  50     wxCHECK2(parent, return);
  51
  52     wxPanel::Create(parent, wxID_ANY);
  53
  54     // create the caption bar, in collapsed or expanded state
  55
  56     m_captionBar = new wxCaptionBar(this, caption, icons, wxID_ANY, style, wxPoint(0,0));
  57     //m_captionBar->SetBoldFont();
  58
  59     if(collapsedInitially)
  60         m_captionBar->Collapse();
  61
  62     m_controlCreated = true;
  63
  64     // make initial size for component, if collapsed, the
  65     // size is determined on the panel height and won't change
  66
  67     wxSize size = m_captionBar->GetSize();
  68     m_panelSize = IsVertical()?size.GetHeight():size.GetWidth();
  69     m_lastInsertPos = m_panelSize;
  70 }
  71
  72 void wxFoldPanelItem::AddWindow(wxWindow *window, int flags, int ySpacing, int leftSpacing, int rightSpacing)
  73 {
  74     wxASSERT(window);
  75
  76     wxFoldWindowItem *wi = new wxFoldWindowItem(window, flags, ySpacing, leftSpacing, rightSpacing);
  77     m_items.Add(wi);
  78
  79     bool vertical = this->IsVertical();
  80
  81     window->SetSize( vertical ? leftSpacing : m_lastInsertPos + ySpacing,
  82                      vertical ? m_lastInsertPos + ySpacing : leftSpacing,
  83                      wxDefaultCoord,
  84                      wxDefaultCoord,
  85                      wxSIZE_USE_EXISTING);
  86
  87     m_lastInsertPos += wi->GetWindowLength( vertical );
  88
  89     ResizePanel();
  90 }
  91
  92 void wxFoldPanelItem::AddSeparator(const wxColour &color, int ySpacing, int leftSpacing, int rightSpacing)
  93 {
  94     wxFoldWindowItem *wi = new wxFoldWindowItem(m_lastInsertPos, color, ySpacing, leftSpacing, rightSpacing);
  95     m_items.Add(wi);
  96
  97     m_lastInsertPos += wi->GetWindowLength( this->IsVertical() );
  98
  99     ResizePanel();
 100 }
 101
 102
 103 wxFoldPanelItem::~wxFoldPanelItem()
 104 {
 105     m_items.Clear();
 106 }
 107
 108 void wxFoldPanelItem::OnPressCaption(wxCaptionBarEvent &event)
 109 {
 110     // tell the upper container we are responsible
 111     // for this event, so it can fold the panel item
 112     // and do a refresh
 113
 114     event.SetTag((void *)this);
 115     event.Skip();
 116 }
 117
 118 /* Inactive */
 119 void wxFoldPanelItem::OnSize(wxSizeEvent &event)
 120 {
 121     // deny access to pointers (yet)
 122
 123     if(!m_controlCreated)
 124     {
 125         event.Skip();
 126         return;
 127     }
 128
 129     // calculate the size needed for this window, so
 130     // we get the parent size, and determine the size for the caption and the panel
 131
 132     //wxRect rect = GetRect();
 133
 134     //wxSize size(0,wxDefaultCoord);
 135     //size.SetWidth(rect.GetWidth());
 136     //m_captionBar->SetSize(size);
 137
 138 }
 139
 140 int wxFoldPanelItem::Reposition(int pos)
 141 {
 142     // NOTE: Call Resize before Reposition when an item is added, because the new
 143     // size needed will be calculated by Resize. Ofcourse the relative position
 144     // of the controls have to be correct in respect to the caption bar
 145
 146     Freeze();
 147
 148     bool vertical = this->IsVertical();
 149
 150     SetSize( vertical ? wxDefaultCoord : pos,
 151              vertical ? pos : wxDefaultCoord,
 152              wxDefaultCoord,
 153              wxDefaultCoord,
 154              wxSIZE_USE_EXISTING);
 155
 156     m_itemPos = pos;
 157
 158     Thaw();
 159
 160     return GetPanelLength();
 161 }
 162
 163 void wxFoldPanelItem::ResizePanel()
 164 {
 165     bool vertical = IsVertical();
 166
 167     // prevent unnecessary updates by blocking repaints for a sec
 168
 169     Freeze();
 170
 171     // force this panel to take the width of the parent panel and the y of the
 172     // user or calulated width (which will be recalculated by the contents here
 173
 174     wxSize size;
 175     if(m_captionBar->IsCollapsed())
 176     {
 177         size = m_captionBar->GetSize();
 178         m_panelSize = vertical ? size.GetHeight() : size.GetWidth();
 179     }
 180     else
 181     {
 182         size = GetBestSize();
 183         m_panelSize = vertical ? size.GetHeight() : size.GetWidth();
 184
 185         if(m_userSized)
 186         {
 187             if ( vertical )
 188                 size.SetHeight(m_userSize);
 189             else
 190                 size.SetWidth(m_userSize);
 191         }
 192     }
 193
 194     wxSize pnlsize = GetParent()->GetSize();
 195     if ( vertical )
 196         size.SetWidth(pnlsize.GetWidth());
 197     else
 198         size.SetHeight(pnlsize.GetHeight());
 199
 200     // resize caption bar
 201     m_captionBar->SetSize( vertical ? size.GetWidth() : wxDefaultCoord,
 202                           vertical ? wxDefaultCoord : size.GetHeight());
 203
 204     // resize the panel
 205     SetSize(size);
 206
 207     // go by all the controls and call Layout
 208
 209     for(size_t i = 0; i < m_items.GetCount(); i++)
 210         m_items.Item(i).ResizeItem( vertical ? size.GetWidth() : size.GetHeight() , vertical );
 211
 212     // and draw all
 213
 214     Thaw();
 215 }
 216
 217 void wxFoldPanelItem::OnPaint(wxPaintEvent& WXUNUSED(event))
 218 {
 219     // draw all the items that are lines
 220     wxPaintDC dc(this);
 221     bool vertical = IsVertical();
 222
 223     for(size_t i = 0; i < m_items.GetCount(); i++)
 224     {
 225         wxFoldWindowItem &item = m_items.Item(i);
 226         wxPen pen(item.GetLineColour(), 1, wxSOLID);
 227         if(item.GetType() == wxFoldWindowItem::SEPARATOR)
 228         {
 229             dc.SetPen(pen);
 230             int a = item.GetLeftSpacing();
 231             int b = item.GetLineY() + item.GetSpacing();
 232             int c = item.GetLineLength();
 233             int d = a + c;
 234             if (vertical)
 235                 dc.DrawLine(a, b, d, b);
 236             else
 237                 dc.DrawLine(b, a, b, d);
 238         }
 239     }
 240 }
 241
 242 bool wxFoldPanelItem::IsVertical() const
 243 {
 244     // grandparent of wxFoldPanelItem is wxFoldPanelBar
 245     // default is vertical
 246     wxPanel *panel = wxDynamicCast(GetParent(), wxPanel);
 247     wxCHECK_MSG( panel, true, _T("wrong parent") );
 248     wxFoldPanelBar *bar = wxDynamicCast(panel->GetParent(), wxFoldPanelBar);
 249     wxCHECK_MSG( bar, true, _T("wrong parent") );
 250     return bar->IsVertical();
 251 }