src/dfb/toplevel.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/dfb/toplevel.cpp
   3 // Purpose:     Top level window, abstraction of wxFrame and wxDialog
   4 // Author:      Vaclav Slavik
   5 // Created:     2006-08-10
   6 // Copyright:   (c) 2006 REA Elektronik GmbH
   7 // Licence:     wxWindows licence
   8 /////////////////////////////////////////////////////////////////////////////
   9
  10 // For compilers that support precompilation, includes "wx.h".
  11 #include "wx/wxprec.h"
  12
  13 #include "wx/toplevel.h"
  14
  15 #ifndef WX_PRECOMP
  16     #include "wx/app.h"
  17 #endif // WX_PRECOMP
  18
  19 #include "wx/dfb/private.h"
  20
  21 #define TRACE_EVENTS "events"
  22
  23 // ============================================================================
  24 // wxTopLevelWindowDFB
  25 // ============================================================================
  26
  27 // ----------------------------------------------------------------------------
  28 // creation & destruction
  29 // ----------------------------------------------------------------------------
  30
  31 void wxTopLevelWindowDFB::Init()
  32 {
  33     m_isMaximized = false;
  34     m_fsIsShowing = false;
  35 }
  36
  37 bool wxTopLevelWindowDFB::Create(wxWindow *parent,
  38                                  wxWindowID id,
  39                                  const wxString& title,
  40                                  const wxPoint& posOrig,
  41                                  const wxSize& sizeOrig,
  42                                  long style,
  43                                  const wxString &name)
  44 {
  45     // always create a frame of some reasonable, even if arbitrary, size (at
  46     // least for MSW compatibility)
  47     wxSize size(sizeOrig);
  48     if ( size.x == wxDefaultCoord || size.y == wxDefaultCoord )
  49     {
  50         wxSize sizeDefault = GetDefaultSize();
  51         if ( size.x == wxDefaultCoord )
  52             size.x = sizeDefault.x;
  53         if ( size.y == wxDefaultCoord )
  54             size.y = sizeDefault.y;
  55     }
  56
  57     wxPoint pos(posOrig);
  58     if ( pos.x == wxDefaultCoord )
  59         pos.x = 0;
  60     if ( pos.y == wxDefaultCoord )
  61         pos.y = 0;
  62
  63     if ( !wxNonOwnedWindow::Create(parent, id, pos, size, style, name) )
  64         return false;
  65
  66     wxTopLevelWindows.Append(this);
  67     m_title = title;
  68
  69     return true;
  70 }
  71
  72 // ----------------------------------------------------------------------------
  73 // showing and hiding
  74 // ----------------------------------------------------------------------------
  75
  76 bool wxTopLevelWindowDFB::ShowFullScreen(bool show, long style)
  77 {
  78     if ( show == m_fsIsShowing )
  79         return true;
  80
  81     m_fsIsShowing = show;
  82
  83     if (show)
  84     {
  85         m_fsSaveStyle = m_windowStyle;
  86         m_fsSaveFlag = style;
  87         GetPosition(&m_fsSaveFrame.x, &m_fsSaveFrame.y);
  88         GetSize(&m_fsSaveFrame.width, &m_fsSaveFrame.height);
  89
  90         if ( style & wxFULLSCREEN_NOCAPTION )
  91             m_windowStyle &= ~wxCAPTION;
  92         if ( style & wxFULLSCREEN_NOBORDER )
  93             m_windowStyle = wxSIMPLE_BORDER;
  94
  95         int x, y;
  96         wxDisplaySize(&x, &y);
  97         SetSize(0, 0, x, y);
  98     }
  99     else
 100     {
 101         m_windowStyle = m_fsSaveStyle;
 102         SetSize(m_fsSaveFrame.x, m_fsSaveFrame.y,
 103                 m_fsSaveFrame.width, m_fsSaveFrame.height);
 104     }
 105
 106     return true;
 107 }
 108
 109 bool wxTopLevelWindowDFB::SetTransparent(wxByte alpha)
 110 {
 111     if ( IsShown() )
 112     {
 113         if ( !m_dfbwin->SetOpacity(alpha) )
 114             return false;
 115     }
 116
 117     m_opacity = alpha;
 118     return true;
 119 }
 120
 121 // ----------------------------------------------------------------------------
 122 // maximize, minimize etc.
 123 // ----------------------------------------------------------------------------
 124
 125 void wxTopLevelWindowDFB::Maximize(bool maximize)
 126 {
 127     int x, y, w, h;
 128     wxClientDisplayRect(&x, &y, &w, &h);
 129
 130     if ( maximize && !m_isMaximized )
 131     {
 132         m_isMaximized = true;
 133
 134         GetPosition(&m_savedFrame.x, &m_savedFrame.y);
 135         GetSize(&m_savedFrame.width, &m_savedFrame.height);
 136
 137         SetSize(x, y, w, h);
 138     }
 139     else if ( !maximize && m_isMaximized )
 140     {
 141         m_isMaximized = false;
 142         SetSize(m_savedFrame.x, m_savedFrame.y,
 143                 m_savedFrame.width, m_savedFrame.height);
 144     }
 145 }
 146
 147 bool wxTopLevelWindowDFB::IsMaximized() const
 148 {
 149     return m_isMaximized;
 150 }
 151
 152 void wxTopLevelWindowDFB::Restore()
 153 {
 154     if ( IsMaximized() )
 155     {
 156         Maximize(false);
 157     }
 158 }
 159
 160 void wxTopLevelWindowDFB::Iconize(bool WXUNUSED(iconize))
 161 {
 162     wxFAIL_MSG(wxT("Iconize not supported under wxDFB"));
 163 }
 164
 165 bool wxTopLevelWindowDFB::IsIconized() const
 166 {
 167     return false;
 168 }
 169
 170 // ----------------------------------------------------------------------------
 171 // focus handling
 172 // ----------------------------------------------------------------------------
 173
 174 void wxTopLevelWindowDFB::HandleFocusEvent(const wxDFBWindowEvent& event_)
 175 {
 176     const DFBWindowEvent& dfbevent = event_;
 177     const bool activate = (dfbevent.type == DWET_GOTFOCUS);
 178
 179     wxLogTrace(TRACE_EVENTS,
 180                "toplevel window %p ('%s') %s focus",
 181                this, GetName(),
 182                activate ? "got" : "lost");
 183
 184     wxActivateEvent event(wxEVT_ACTIVATE, activate, GetId());
 185     event.SetEventObject(this);
 186     HandleWindowEvent(event);
 187
 188     // if a frame that doesn't have wx focus inside it just got focus, we
 189     // need to set focus to it (or its child):
 190     if ( activate )
 191     {
 192         wxWindow *focused = wxWindow::FindFocus();
 193         if ( !focused || focused->GetTLW() != this )
 194         {
 195             wxLogTrace(TRACE_EVENTS,
 196                        "setting wx focus to toplevel window %p ('%s')",
 197                        this, GetName());
 198
 199             if ( CanAcceptFocus() )
 200                 SetFocus();
 201             else
 202                 wxLogTrace(TRACE_EVENTS, "...which doesn't accept it");
 203         }
 204     }
 205 }