| 1 | ///////////////////////////////////////////////////////////////////////////// |
| 2 | // Name: csprint.cpp |
| 3 | // Purpose: Printing and clipboard functionality |
| 4 | // Author: Julian Smart |
| 5 | // Modified by: |
| 6 | // Created: 12/07/98 |
| 7 | // RCS-ID: $Id$ |
| 8 | // Copyright: (c) Julian Smart |
| 9 | // Licence: wxWindows licence |
| 10 | ///////////////////////////////////////////////////////////////////////////// |
| 11 | |
| 12 | #ifdef __GNUG__ |
| 13 | // #pragma implementation |
| 14 | #endif |
| 15 | |
| 16 | // For compilers that support precompilation, includes "wx.h". |
| 17 | #include "wx/wxprec.h" |
| 18 | |
| 19 | #ifdef __BORLANDC__ |
| 20 | #pragma hdrstop |
| 21 | #endif |
| 22 | |
| 23 | #ifndef WX_PRECOMP |
| 24 | #include <wx/wx.h> |
| 25 | #endif |
| 26 | |
| 27 | #include <wx/deprecated/setup.h> |
| 28 | #include <wx/deprecated/wxexpr.h> |
| 29 | |
| 30 | #include <wx/clipbrd.h> |
| 31 | |
| 32 | #ifdef __WXMSW__ |
| 33 | #include <wx/metafile.h> |
| 34 | #endif |
| 35 | |
| 36 | #include "studio.h" |
| 37 | #include "doc.h" |
| 38 | #include "shapes.h" |
| 39 | #include "view.h" |
| 40 | |
| 41 | IMPLEMENT_DYNAMIC_CLASS(wxDiagramClipboard, wxDiagram) |
| 42 | |
| 43 | // Copy selection |
| 44 | bool wxDiagramClipboard::Copy(wxDiagram* diagram) |
| 45 | { |
| 46 | DeleteAllShapes(); |
| 47 | |
| 48 | return DoCopy(diagram, this, false, NULL); |
| 49 | } |
| 50 | |
| 51 | // Copy contents to the diagram, with new ids. |
| 52 | |
| 53 | bool wxDiagramClipboard::Paste(wxDiagram* diagram, wxDC* dc, int offsetX, int offsetY) |
| 54 | { |
| 55 | return DoCopy(this, diagram, true, dc, offsetX, offsetY); |
| 56 | } |
| 57 | |
| 58 | // Universal copy function (to or from clipboard). |
| 59 | // TODO: |
| 60 | // Note that this only works for non-composites so far (nested shapes |
| 61 | // don't have their old-to-new object mappings stored). |
| 62 | // Also, lines don't yet get their attachment points moved to the new offset position |
| 63 | // if they have more than 2 points. |
| 64 | bool wxDiagramClipboard::DoCopy(wxDiagram* diagramFrom, wxDiagram* diagramTo, bool newIds, |
| 65 | wxDC* dc, int offsetX, int offsetY) |
| 66 | { |
| 67 | OnStartCopy(diagramTo); |
| 68 | |
| 69 | wxHashTable mapping(wxKEY_INTEGER); |
| 70 | |
| 71 | // First copy all node shapes. |
| 72 | wxList* shapeList = diagramFrom->GetShapeList(); |
| 73 | wxObjectList::compatibility_iterator node = shapeList->GetFirst(); |
| 74 | while (node) |
| 75 | { |
| 76 | wxShape* shape = (wxShape*) node->GetData(); |
| 77 | if (((diagramFrom == this) || shape->Selected()) && !shape->IsKindOf(CLASSINFO(wxLineShape))) |
| 78 | { |
| 79 | wxShape* newShape = shape->CreateNewCopy(); |
| 80 | newShape->GetLines().Clear(); |
| 81 | if (newIds) |
| 82 | { |
| 83 | newShape->AssignNewIds(); |
| 84 | } |
| 85 | mapping.Put((long) shape, (wxObject*) newShape); |
| 86 | |
| 87 | newShape->SetX(newShape->GetX() + offsetX); |
| 88 | newShape->SetY(newShape->GetY() + offsetY); |
| 89 | |
| 90 | OnAddShape(diagramTo, newShape, dc); |
| 91 | |
| 92 | } |
| 93 | node = node->GetNext(); |
| 94 | } |
| 95 | |
| 96 | node = shapeList->GetFirst(); |
| 97 | while (node) |
| 98 | { |
| 99 | wxShape* shape = (wxShape*) node->GetData(); |
| 100 | if (((diagramFrom == this) || shape->Selected()) && shape->IsKindOf(CLASSINFO(wxLineShape))) |
| 101 | { |
| 102 | wxLineShape* lineShape = (wxLineShape*) shape; |
| 103 | // Only copy a line if its ends are selected too. |
| 104 | if ((diagramFrom == this) || (lineShape->GetTo()->Selected() && lineShape->GetFrom()->Selected())) |
| 105 | { |
| 106 | wxLineShape* newShape = (wxLineShape*) shape->CreateNewCopy(); |
| 107 | mapping.Put((long) shape, (wxObject*) newShape); |
| 108 | |
| 109 | if (newIds) |
| 110 | newShape->AssignNewIds(); |
| 111 | |
| 112 | wxShape* fromShape = (wxShape*) mapping.Get((long) lineShape->GetFrom()); |
| 113 | wxShape* toShape = (wxShape*) mapping.Get((long) lineShape->GetTo()); |
| 114 | |
| 115 | wxASSERT_MSG( (fromShape != NULL), _T("Could not find 'from' shape")); |
| 116 | wxASSERT_MSG( (toShape != NULL), _T("Could not find 'to' shape")); |
| 117 | |
| 118 | fromShape->AddLine(newShape, toShape, newShape->GetAttachmentFrom(), |
| 119 | newShape->GetAttachmentTo()); |
| 120 | |
| 121 | OnAddShape(diagramTo, newShape, dc); |
| 122 | |
| 123 | } |
| 124 | } |
| 125 | node = node->GetNext(); |
| 126 | } |
| 127 | |
| 128 | // Now make sure line ordering is correct |
| 129 | node = shapeList->GetFirst(); |
| 130 | while (node) |
| 131 | { |
| 132 | wxShape* shape = (wxShape*) node->GetData(); |
| 133 | if (((diagramFrom == this) || shape->Selected()) && !shape->IsKindOf(CLASSINFO(wxLineShape))) |
| 134 | { |
| 135 | wxShape* newShape = (wxShape*) mapping.Get((long) shape); |
| 136 | |
| 137 | // Make a list of all the new lines, in the same order as the old lines. |
| 138 | // Then apply the list of new lines to the shape. |
| 139 | wxList newLines; |
| 140 | wxObjectList::compatibility_iterator lineNode = shape->GetLines().GetFirst(); |
| 141 | while (lineNode) |
| 142 | { |
| 143 | wxLineShape* lineShape = (wxLineShape*) lineNode->GetData(); |
| 144 | if ((diagramFrom == this) || (lineShape->GetTo()->Selected() && lineShape->GetFrom()->Selected())) |
| 145 | { |
| 146 | wxLineShape* newLineShape = (wxLineShape*) mapping.Get((long) lineShape); |
| 147 | |
| 148 | wxASSERT_MSG( (newLineShape != NULL), _T("Could not find new line shape")); |
| 149 | |
| 150 | newLines.Append(newLineShape); |
| 151 | } |
| 152 | |
| 153 | lineNode = lineNode->GetNext(); |
| 154 | } |
| 155 | |
| 156 | if (newLines.GetCount() > 0) |
| 157 | newShape->ApplyAttachmentOrdering(newLines); |
| 158 | } |
| 159 | node = node->GetNext(); |
| 160 | } |
| 161 | |
| 162 | OnEndCopy(diagramTo); |
| 163 | |
| 164 | return true; |
| 165 | } |
| 166 | |
| 167 | #ifdef __WXMSW__ |
| 168 | // Draw contents to a Windows metafile device context and a bitmap, and copy |
| 169 | // these to the Windows clipboard |
| 170 | bool wxDiagramClipboard::CopyToClipboard(double scale) |
| 171 | { |
| 172 | #if wxUSE_METAFILE |
| 173 | // Make a metafile DC |
| 174 | wxMetaFileDC mfDC; |
| 175 | if (mfDC.Ok()) |
| 176 | { |
| 177 | mfDC.SetUserScale(scale, scale); |
| 178 | |
| 179 | // Draw on metafile DC |
| 180 | Redraw(mfDC); |
| 181 | |
| 182 | // int printWidth = mfDC.MaxX() - mfDC.MinX(); |
| 183 | // int printHeight = mfDC.MaxY() - mfDC.MinY(); |
| 184 | int maxX = (int)mfDC.MaxX(); |
| 185 | int maxY = (int)mfDC.MaxY(); |
| 186 | wxMetaFile *mf = mfDC.Close(); |
| 187 | |
| 188 | // Set to a bitmap memory DC |
| 189 | wxBitmap *newBitmap = new wxBitmap((int)(maxX + 10), (int)(maxY + 10)); |
| 190 | if (!newBitmap->Ok()) |
| 191 | { |
| 192 | delete newBitmap; |
| 193 | |
| 194 | wxChar buf[200]; |
| 195 | wxSprintf(buf, _T("Sorry, could not allocate clipboard bitmap (%dx%d)"), (maxX+10), (maxY+10)); |
| 196 | wxMessageBox(buf, _T("Clipboard copy problem")); |
| 197 | return false; |
| 198 | } |
| 199 | |
| 200 | wxMemoryDC memDC; |
| 201 | memDC.SelectObject(*newBitmap); |
| 202 | memDC.Clear(); |
| 203 | |
| 204 | // Now draw on memory bitmap DC |
| 205 | Redraw(memDC); |
| 206 | |
| 207 | memDC.SelectObject(wxNullBitmap); |
| 208 | |
| 209 | // Open clipboard and set the data |
| 210 | if (wxOpenClipboard()) |
| 211 | { |
| 212 | wxEmptyClipboard(); |
| 213 | |
| 214 | // Copy the bitmap to the clipboard |
| 215 | wxSetClipboardData(wxDF_BITMAP, newBitmap, 0, 0); |
| 216 | |
| 217 | #if 0 // TODO: replace this code (wxEnhMetaFile doesn't have SetClipboard) |
| 218 | if (mf) |
| 219 | { |
| 220 | // Copy the metafile to the clipboard |
| 221 | // Allow a small margin |
| 222 | bool success = mf->SetClipboard((int)(mfDC.MaxX() + 15), (int)(mfDC.MaxY() + 15)); |
| 223 | } |
| 224 | #endif |
| 225 | |
| 226 | // Close clipboard |
| 227 | wxCloseClipboard(); |
| 228 | } |
| 229 | |
| 230 | delete newBitmap; |
| 231 | delete mf; |
| 232 | |
| 233 | } |
| 234 | return true; |
| 235 | #else |
| 236 | wxMessageBox("wxUSE_METAFILE in build required to use Clipboard", _T("Clipboard copy problem")); |
| 237 | return false; |
| 238 | #endif |
| 239 | } |
| 240 | #endif |
| 241 | // __WXMSW__ |
| 242 | |
| 243 | // Override this to e.g. have the shape added through a Do/Undo command system. |
| 244 | // By default, we'll just add it directly to the destination diagram. |
| 245 | bool wxDiagramClipboard::OnAddShape(wxDiagram* diagramTo, wxShape* newShape, wxDC* dc) |
| 246 | { |
| 247 | diagramTo->AddShape(newShape); |
| 248 | |
| 249 | if (dc && (diagramTo != this)) |
| 250 | { |
| 251 | newShape->Select(true, dc); |
| 252 | } |
| 253 | |
| 254 | return true; |
| 255 | } |
| 256 | |
| 257 | /* |
| 258 | * csDiagramClipboard |
| 259 | */ |
| 260 | |
| 261 | IMPLEMENT_DYNAMIC_CLASS(csDiagramClipboard, wxDiagramClipboard) |
| 262 | |
| 263 | // Start/end copying |
| 264 | bool csDiagramClipboard::OnStartCopy(wxDiagram* diagramTo) |
| 265 | { |
| 266 | // Do nothing if copying to the clipboard |
| 267 | if (diagramTo == this) |
| 268 | return true; |
| 269 | |
| 270 | // Deselect all objects initially. |
| 271 | |
| 272 | csDiagram* diagram = (csDiagram*) diagramTo; |
| 273 | csDiagramDocument* doc = diagram->GetDocument(); |
| 274 | ((csDiagramView*)doc->GetFirstView())->SelectAll(false); |
| 275 | |
| 276 | m_currentCmd = new csDiagramCommand(_T("Paste"), doc); |
| 277 | |
| 278 | return true; |
| 279 | } |
| 280 | |
| 281 | bool csDiagramClipboard::OnEndCopy(wxDiagram* diagramTo) |
| 282 | { |
| 283 | // Do nothing if copying to the clipboard |
| 284 | if (diagramTo == this) |
| 285 | return true; |
| 286 | |
| 287 | csDiagram* diagram = (csDiagram*) diagramTo; |
| 288 | csDiagramDocument* doc = diagram->GetDocument(); |
| 289 | |
| 290 | if (m_currentCmd) |
| 291 | { |
| 292 | if (m_currentCmd->GetStates().GetCount() == 0) |
| 293 | { |
| 294 | delete m_currentCmd; |
| 295 | } |
| 296 | else |
| 297 | { |
| 298 | doc->GetCommandProcessor()->Submit(m_currentCmd); |
| 299 | m_currentCmd = NULL; |
| 300 | } |
| 301 | } |
| 302 | return true; |
| 303 | } |
| 304 | |
| 305 | // Use the command framework to add the shapes, if we're copying to a diagram and |
| 306 | // not the clipboard. |
| 307 | bool csDiagramClipboard::OnAddShape(wxDiagram* diagramTo, wxShape* newShape, wxDC* WXUNUSED(dc)) |
| 308 | { |
| 309 | if (diagramTo == this) |
| 310 | { |
| 311 | diagramTo->AddShape(newShape); |
| 312 | } |
| 313 | else |
| 314 | { |
| 315 | csDiagram* diagram = (csDiagram*) diagramTo; |
| 316 | /* csDiagramDocument* doc = */ diagram->GetDocument(); |
| 317 | |
| 318 | if (newShape->IsKindOf(CLASSINFO(wxLineShape))) |
| 319 | m_currentCmd->AddState(new csCommandState(ID_CS_ADD_LINE_SELECT, newShape, NULL)); |
| 320 | else |
| 321 | m_currentCmd->AddState(new csCommandState(ID_CS_ADD_SHAPE_SELECT, newShape, NULL)); |
| 322 | } |
| 323 | |
| 324 | return true; |
| 325 | } |
| 326 | |
| 327 | |