src/generic/busyinfo.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/generic/busyinfo.cpp
   3 // Purpose:     Information window when app is busy
   4 // Author:      Vaclav Slavik
   5 // Copyright:   (c) 1999 Vaclav Slavik
   6 // RCS-ID:      $Id$
   7 // Licence:     wxWindows licence
   8 /////////////////////////////////////////////////////////////////////////////
   9
  10 #include "wx/wxprec.h"
  11
  12 #ifdef __BORLANDC__
  13 #pragma hdrstop
  14 #endif
  15
  16 #if wxUSE_BUSYINFO
  17
  18 // for all others, include the necessary headers
  19 #ifndef WX_PRECOMP
  20     #include "wx/frame.h"
  21     #include "wx/stattext.h"
  22     #include "wx/panel.h"
  23     #include "wx/utils.h"
  24 #endif
  25
  26 #include "wx/busyinfo.h"
  27
  28 class WXDLLEXPORT wxInfoFrame : public wxFrame
  29 {
  30 public:
  31     wxInfoFrame(wxWindow *parent, const wxString& message);
  32
  33 private:
  34     DECLARE_NO_COPY_CLASS(wxInfoFrame)
  35 };
  36
  37
  38 wxInfoFrame::wxInfoFrame(wxWindow *parent, const wxString& message)
  39            : wxFrame(parent, wxID_ANY, wxT("Busy"),
  40                      wxDefaultPosition, wxDefaultSize,
  41 #if defined(__WXX11__)
  42                      wxRESIZE_BORDER
  43 #else
  44                      wxSIMPLE_BORDER
  45 #endif
  46                      | wxFRAME_TOOL_WINDOW)
  47 {
  48     wxPanel *panel = new wxPanel( this );
  49     wxStaticText *text = new wxStaticText(panel, wxID_ANY, message);
  50
  51     panel->SetCursor(*wxHOURGLASS_CURSOR);
  52     text->SetCursor(*wxHOURGLASS_CURSOR);
  53
  54     // make the frame of at least the standard size (400*80) but big enough
  55     // for the text we show
  56     wxSize sizeText = text->GetBestSize();
  57 #ifdef __WXPM__
  58     int                             nX = 0;
  59     int                             nY = 0;
  60     int                             nWidth = 0;
  61     int                             nHeight = 0;
  62     int                             nParentHeight = parent->GetClientSize().y;
  63     int                             nParentWidth = parent->GetClientSize().x;
  64     int                             nColor;
  65
  66     SetBackgroundColour(wxT("WHITE"));
  67     nColor = (LONG)GetBackgroundColour().GetPixel();
  68
  69     ::WinSetPresParam( GetHwnd()
  70                       ,PP_BACKGROUNDCOLOR
  71                       ,sizeof(LONG)
  72                       ,(PVOID)&nColor
  73                      );
  74     panel->SetBackgroundColour(wxT("WHITE"));
  75     nColor = (LONG)panel->GetBackgroundColour().GetPixel();
  76
  77     ::WinSetPresParam( GetHwndOf(panel)
  78                       ,PP_BACKGROUNDCOLOR
  79                       ,sizeof(LONG)
  80                       ,(PVOID)&nColor
  81                      );
  82     nWidth = wxMax(sizeText.x, 340) + 60;
  83     nHeight = wxMax(sizeText.y, 40) + 40;
  84     nX = (nParentWidth - nWidth) / 2;
  85     nY = (nParentHeight / 2) - (nHeight / 2);
  86     nY = nParentHeight - (nY + nHeight);
  87     ::WinSetWindowPos( m_hFrame
  88                       ,HWND_TOP
  89                       ,nX
  90                       ,nY
  91                       ,nWidth
  92                       ,nHeight
  93                       ,SWP_SIZE | SWP_MOVE | SWP_ACTIVATE
  94                      );
  95     text->SetBackgroundColour(wxT("WHITE"));
  96     nColor = (LONG)text->GetBackgroundColour().GetPixel();
  97
  98     ::WinSetPresParam( GetHwndOf(text)
  99                       ,PP_BACKGROUNDCOLOR
 100                       ,sizeof(LONG)
 101                       ,(PVOID)&nColor
 102                      );
 103     text->Center(wxBOTH);
 104 #else
 105     SetClientSize(wxMax(sizeText.x, 340) + 60, wxMax(sizeText.y, 40) + 40);
 106
 107     // need to size the panel correctly first so that text->Centre() works
 108     panel->SetSize(GetClientSize());
 109
 110     text->Centre(wxBOTH);
 111     Centre(wxBOTH);
 112 #endif
 113 }
 114
 115 wxBusyInfo::wxBusyInfo(const wxString& message, wxWindow *parent)
 116 {
 117     m_InfoFrame = new wxInfoFrame( parent, message);
 118     if ( parent && parent->HasFlag(wxSTAY_ON_TOP) )
 119     {
 120         // we must have this flag to be in front of our parent if it has it
 121         m_InfoFrame->SetWindowStyleFlag(wxSTAY_ON_TOP);
 122     }
 123
 124     m_InfoFrame->Show(true);
 125     m_InfoFrame->Refresh();
 126     m_InfoFrame->Update();
 127
 128 #ifdef __WXGTK20__
 129     // FIXME: this is pretty bad, as any call to Yield(), but without it, the
 130     //         static text is never shown and neither gdk_display_flush() nor
 131     //         gdk_display_sync() nor gdk_window_process_updates() helps
 132     wxMilliSleep(100);
 133     wxYield();
 134 #endif
 135 }
 136
 137 wxBusyInfo::~wxBusyInfo()
 138 {
 139     m_InfoFrame->Show(false);
 140     m_InfoFrame->Close();
 141 }
 142
 143 #endif // wxUSE_BUSYINFO