| 1 | ///////////////////////////////////////////////////////////////////////////// |
| 2 | // Name: src/common/clipcmn.cpp |
| 3 | // Purpose: common (to all ports) wxClipboard functions |
| 4 | // Author: Robert Roebling |
| 5 | // Modified by: |
| 6 | // Created: 28.06.99 |
| 7 | // RCS-ID: $Id$ |
| 8 | // Copyright: (c) Robert Roebling |
| 9 | // Licence: wxWindows licence |
| 10 | ///////////////////////////////////////////////////////////////////////////// |
| 11 | |
| 12 | // ============================================================================ |
| 13 | // declarations |
| 14 | // ============================================================================ |
| 15 | |
| 16 | // ---------------------------------------------------------------------------- |
| 17 | // headers |
| 18 | // ---------------------------------------------------------------------------- |
| 19 | |
| 20 | // For compilers that support precompilation, includes "wx.h". |
| 21 | #include "wx/wxprec.h" |
| 22 | |
| 23 | #ifdef __BORLANDC__ |
| 24 | #pragma hdrstop |
| 25 | #endif |
| 26 | |
| 27 | #if wxUSE_CLIPBOARD |
| 28 | |
| 29 | #include "wx/clipbrd.h" |
| 30 | |
| 31 | #ifndef WX_PRECOMP |
| 32 | #include "wx/dataobj.h" |
| 33 | #include "wx/module.h" |
| 34 | #endif |
| 35 | |
| 36 | // --------------------------------------------------------- |
| 37 | // wxClipboardEvent |
| 38 | // --------------------------------------------------------- |
| 39 | |
| 40 | IMPLEMENT_DYNAMIC_CLASS(wxClipboardEvent,wxEvent) |
| 41 | |
| 42 | wxDEFINE_EVENT( wxEVT_CLIPBOARD_CHANGED, wxClipboardEvent ); |
| 43 | |
| 44 | // notice that ctors are defined here and not inline to avoid having to include |
| 45 | // wx/dataobj.h from wx/clipbrd.h |
| 46 | wxClipboardEvent::wxClipboardEvent(wxEventType evtType) |
| 47 | : wxEvent(0, evtType) |
| 48 | { |
| 49 | } |
| 50 | |
| 51 | wxClipboardEvent::wxClipboardEvent(const wxClipboardEvent& event) |
| 52 | : wxEvent(event), |
| 53 | m_formats(event.m_formats) |
| 54 | { |
| 55 | } |
| 56 | |
| 57 | wxEvent* wxClipboardEvent::Clone() const |
| 58 | { |
| 59 | return new wxClipboardEvent(*this); |
| 60 | } |
| 61 | |
| 62 | bool wxClipboardEvent::SupportsFormat( const wxDataFormat &format ) const |
| 63 | { |
| 64 | #ifdef __WXGTK20__ |
| 65 | // GTK has an asynchronous API which reports the supported formats one by |
| 66 | // one. We may have to add X11 and Motif later. |
| 67 | for (wxVector<wxDataFormat>::size_type n = 0; n < m_formats.size(); n++) |
| 68 | { |
| 69 | if (m_formats[n] == format) |
| 70 | return true; |
| 71 | } |
| 72 | |
| 73 | return false; |
| 74 | #else |
| 75 | // All other ports just query the clipboard directly |
| 76 | // from here |
| 77 | wxClipboard* clipboard = (wxClipboard*) GetEventObject(); |
| 78 | return clipboard->IsSupported( format ); |
| 79 | #endif |
| 80 | } |
| 81 | |
| 82 | void wxClipboardEvent::AddFormat(const wxDataFormat& format) |
| 83 | { |
| 84 | m_formats.push_back( format ); |
| 85 | } |
| 86 | |
| 87 | // --------------------------------------------------------- |
| 88 | // wxClipboardBase |
| 89 | // --------------------------------------------------------- |
| 90 | |
| 91 | static wxClipboard *gs_clipboard = NULL; |
| 92 | |
| 93 | /*static*/ wxClipboard *wxClipboardBase::Get() |
| 94 | { |
| 95 | if ( !gs_clipboard ) |
| 96 | { |
| 97 | gs_clipboard = new wxClipboard; |
| 98 | } |
| 99 | return gs_clipboard; |
| 100 | } |
| 101 | |
| 102 | bool wxClipboardBase::IsSupportedAsync( wxEvtHandler *sink ) |
| 103 | { |
| 104 | // We just imitate an asynchronous API on most platforms. |
| 105 | // This method is overridden uner GTK. |
| 106 | wxClipboardEvent *event = new wxClipboardEvent(wxEVT_CLIPBOARD_CHANGED); |
| 107 | event->SetEventObject( this ); |
| 108 | |
| 109 | sink->QueueEvent( event ); |
| 110 | |
| 111 | return true; |
| 112 | } |
| 113 | |
| 114 | |
| 115 | // ---------------------------------------------------------------------------- |
| 116 | // wxClipboardModule: module responsible for destroying the global clipboard |
| 117 | // object |
| 118 | // ---------------------------------------------------------------------------- |
| 119 | |
| 120 | class wxClipboardModule : public wxModule |
| 121 | { |
| 122 | public: |
| 123 | bool OnInit() { return true; } |
| 124 | void OnExit() { wxDELETE(gs_clipboard); } |
| 125 | |
| 126 | private: |
| 127 | DECLARE_DYNAMIC_CLASS(wxClipboardModule) |
| 128 | }; |
| 129 | |
| 130 | IMPLEMENT_DYNAMIC_CLASS(wxClipboardModule, wxModule) |
| 131 | |
| 132 | #endif // wxUSE_CLIPBOARD |