| 1 | /////////////////////////////////////////////////////////////////////////////// |
| 2 | // Name: src/x11/dnd.cpp |
| 3 | // Purpose: wxDropTarget, wxDropSource classes |
| 4 | // Author: Julian Smart |
| 5 | // Id: $Id$ |
| 6 | // Copyright: (c) 1998 Julian Smart |
| 7 | // Licence: wxWindows licence |
| 8 | /////////////////////////////////////////////////////////////////////////////// |
| 9 | |
| 10 | // for compilers that support precompilation, includes "wx.h". |
| 11 | #include "wx/wxprec.h" |
| 12 | |
| 13 | #if defined(__BORLANDC__) |
| 14 | #pragma hdrstop |
| 15 | #endif |
| 16 | |
| 17 | #if wxUSE_DRAG_AND_DROP |
| 18 | |
| 19 | #include "wx/dnd.h" |
| 20 | |
| 21 | #ifndef WX_PRECOMP |
| 22 | #include "wx/intl.h" |
| 23 | #include "wx/log.h" |
| 24 | #include "wx/app.h" |
| 25 | #include "wx/utils.h" |
| 26 | #include "wx/window.h" |
| 27 | #include "wx/gdicmn.h" |
| 28 | #endif |
| 29 | |
| 30 | #include <X11/Xlib.h> |
| 31 | |
| 32 | // ---------------------------------------------------------------------------- |
| 33 | // global |
| 34 | // ---------------------------------------------------------------------------- |
| 35 | |
| 36 | // ---------------------------------------------------------------------------- |
| 37 | // wxDropTarget |
| 38 | // ---------------------------------------------------------------------------- |
| 39 | |
| 40 | wxDropTarget::wxDropTarget() |
| 41 | { |
| 42 | } |
| 43 | |
| 44 | wxDropTarget::~wxDropTarget() |
| 45 | { |
| 46 | } |
| 47 | |
| 48 | // ---------------------------------------------------------------------------- |
| 49 | // wxTextDropTarget |
| 50 | // ---------------------------------------------------------------------------- |
| 51 | |
| 52 | bool wxTextDropTarget::OnDrop( long x, long y, const void *data, size_t WXUNUSED(size) ) |
| 53 | { |
| 54 | OnDropText( x, y, (const char*)data ); |
| 55 | return true; |
| 56 | } |
| 57 | |
| 58 | bool wxTextDropTarget::OnDropText( long x, long y, const char *psz ) |
| 59 | { |
| 60 | wxLogDebug( "Got dropped text: %s.", psz ); |
| 61 | wxLogDebug( "At x: %d, y: %d.", (int)x, (int)y ); |
| 62 | return true; |
| 63 | } |
| 64 | |
| 65 | size_t wxTextDropTarget::GetFormatCount() const |
| 66 | { |
| 67 | return 1; |
| 68 | } |
| 69 | |
| 70 | wxDataFormat wxTextDropTarget::GetFormat(size_t WXUNUSED(n)) const |
| 71 | { |
| 72 | return wxDF_TEXT; |
| 73 | } |
| 74 | |
| 75 | // ---------------------------------------------------------------------------- |
| 76 | // wxFileDropTarget |
| 77 | // ---------------------------------------------------------------------------- |
| 78 | |
| 79 | bool wxFileDropTarget::OnDropFiles( long x, long y, size_t nFiles, const char * const aszFiles[] ) |
| 80 | { |
| 81 | wxLogDebug( "Got %d dropped files.", (int)nFiles ); |
| 82 | wxLogDebug( "At x: %d, y: %d.", (int)x, (int)y ); |
| 83 | size_t i; |
| 84 | for (i = 0; i < nFiles; i++) |
| 85 | { |
| 86 | wxLogDebug( aszFiles[i] ); |
| 87 | } |
| 88 | return true; |
| 89 | } |
| 90 | |
| 91 | bool wxFileDropTarget::OnDrop(long x, long y, const void *data, size_t size ) |
| 92 | { |
| 93 | size_t number = 0; |
| 94 | char *text = (char*) data; |
| 95 | size_t i; |
| 96 | for (i = 0; i < size; i++) |
| 97 | if (text[i] == 0) number++; |
| 98 | |
| 99 | if (number == 0) return true; |
| 100 | |
| 101 | char **files = new char*[number]; |
| 102 | |
| 103 | text = (char*) data; |
| 104 | for ( i = 0; i < number; i++) |
| 105 | { |
| 106 | files[i] = text; |
| 107 | int len = strlen( text ); |
| 108 | text += len+1; |
| 109 | } |
| 110 | |
| 111 | bool ret = OnDropFiles( x, y, 1, files ); |
| 112 | |
| 113 | free( files ); |
| 114 | |
| 115 | return ret; |
| 116 | } |
| 117 | |
| 118 | size_t wxFileDropTarget::GetFormatCount() const |
| 119 | { |
| 120 | return 1; |
| 121 | } |
| 122 | |
| 123 | wxDataFormat wxFileDropTarget::GetFormat(size_t WXUNUSED(n)) const |
| 124 | { |
| 125 | return wxDF_FILENAME; |
| 126 | } |
| 127 | |
| 128 | //------------------------------------------------------------------------- |
| 129 | // wxDropSource |
| 130 | //------------------------------------------------------------------------- |
| 131 | |
| 132 | wxDropSource::wxDropSource( wxWindow *win ) |
| 133 | { |
| 134 | #if 0 |
| 135 | m_window = win; |
| 136 | m_data = NULL; |
| 137 | m_retValue = wxDragCancel; |
| 138 | |
| 139 | m_defaultCursor = wxCursor( wxCURSOR_NO_ENTRY ); |
| 140 | m_goaheadCursor = wxCursor( wxCURSOR_HAND ); |
| 141 | #endif |
| 142 | } |
| 143 | |
| 144 | wxDropSource::wxDropSource( wxDataObject &data, wxWindow *win ) |
| 145 | { |
| 146 | #if 0 |
| 147 | g_blockEventsOnDrag = true; |
| 148 | |
| 149 | m_window = win; |
| 150 | m_widget = win->m_widget; |
| 151 | if (win->m_wxwindow) m_widget = win->m_wxwindow; |
| 152 | m_retValue = wxDragCancel; |
| 153 | |
| 154 | m_data = &data; |
| 155 | |
| 156 | m_defaultCursor = wxCursor( wxCURSOR_NO_ENTRY ); |
| 157 | m_goaheadCursor = wxCursor( wxCURSOR_HAND ); |
| 158 | #endif |
| 159 | } |
| 160 | |
| 161 | void wxDropSource::SetData( wxDataObject &data ) |
| 162 | { |
| 163 | // m_data = &data; |
| 164 | } |
| 165 | |
| 166 | wxDropSource::~wxDropSource(void) |
| 167 | { |
| 168 | // if (m_data) delete m_data; |
| 169 | } |
| 170 | |
| 171 | wxDragResult wxDropSource::DoDragDrop( int WXUNUSED(flags) ) |
| 172 | { |
| 173 | // wxASSERT_MSG( m_data, "wxDragSource: no data" ); |
| 174 | |
| 175 | return wxDragNone; |
| 176 | #if 0 |
| 177 | if (!m_data) return (wxDragResult) wxDragNone; |
| 178 | if (m_data->GetDataSize() == 0) return (wxDragResult) wxDragNone; |
| 179 | |
| 180 | RegisterWindow(); |
| 181 | |
| 182 | // TODO |
| 183 | |
| 184 | UnregisterWindow(); |
| 185 | |
| 186 | g_blockEventsOnDrag = false; |
| 187 | |
| 188 | return m_retValue; |
| 189 | #endif |
| 190 | } |
| 191 | |
| 192 | #if 0 |
| 193 | void wxDropSource::RegisterWindow(void) |
| 194 | { |
| 195 | if (!m_data) return; |
| 196 | |
| 197 | wxString formats; |
| 198 | |
| 199 | wxDataFormat df = m_data->GetPreferredFormat(); |
| 200 | |
| 201 | switch (df) |
| 202 | { |
| 203 | case wxDF_TEXT: |
| 204 | formats += "text/plain"; |
| 205 | break; |
| 206 | case wxDF_FILENAME: |
| 207 | formats += "file:ALL"; |
| 208 | break; |
| 209 | default: |
| 210 | break; |
| 211 | } |
| 212 | |
| 213 | char *str = WXSTRINGCAST formats; |
| 214 | |
| 215 | // TODO |
| 216 | } |
| 217 | |
| 218 | void wxDropSource::UnregisterWindow(void) |
| 219 | { |
| 220 | if (!m_widget) return; |
| 221 | |
| 222 | // TODO |
| 223 | } |
| 224 | #endif |
| 225 | |
| 226 | wxPrivateDropTarget::wxPrivateDropTarget() |
| 227 | { |
| 228 | m_id = wxTheApp->GetAppName(); |
| 229 | } |
| 230 | |
| 231 | size_t wxPrivateDropTarget::GetFormatCount() const |
| 232 | { |
| 233 | return 1; |
| 234 | } |
| 235 | |
| 236 | wxDataFormat wxPrivateDropTarget::GetFormat(size_t n) const |
| 237 | { |
| 238 | return wxDF_INVALID; |
| 239 | } |
| 240 | |
| 241 | #endif |
| 242 | // wxUSE_DRAG_AND_DROP |