| 1 | ///////////////////////////////////////////////////////////////////////////// |
| 2 | // Name: src/xrc/xh_sizer.cpp |
| 3 | // Purpose: XRC resource for wxBoxSizer |
| 4 | // Author: Vaclav Slavik |
| 5 | // Created: 2000/03/21 |
| 6 | // RCS-ID: $Id$ |
| 7 | // Copyright: (c) 2000 Vaclav Slavik |
| 8 | // Licence: wxWindows licence |
| 9 | ///////////////////////////////////////////////////////////////////////////// |
| 10 | |
| 11 | // For compilers that support precompilation, includes "wx.h". |
| 12 | #include "wx/wxprec.h" |
| 13 | |
| 14 | #ifdef __BORLANDC__ |
| 15 | #pragma hdrstop |
| 16 | #endif |
| 17 | |
| 18 | #if wxUSE_XRC |
| 19 | |
| 20 | #include "wx/xrc/xh_sizer.h" |
| 21 | |
| 22 | #ifndef WX_PRECOMP |
| 23 | #include "wx/log.h" |
| 24 | #include "wx/panel.h" |
| 25 | #include "wx/statbox.h" |
| 26 | #include "wx/sizer.h" |
| 27 | #include "wx/frame.h" |
| 28 | #include "wx/dialog.h" |
| 29 | #include "wx/button.h" |
| 30 | #include "wx/scrolwin.h" |
| 31 | #endif |
| 32 | |
| 33 | #include "wx/gbsizer.h" |
| 34 | #include "wx/wrapsizer.h" |
| 35 | #include "wx/notebook.h" |
| 36 | #include "wx/tokenzr.h" |
| 37 | |
| 38 | |
| 39 | //----------------------------------------------------------------------------- |
| 40 | // wxSizerXmlHandler |
| 41 | //----------------------------------------------------------------------------- |
| 42 | |
| 43 | IMPLEMENT_DYNAMIC_CLASS(wxSizerXmlHandler, wxXmlResourceHandler) |
| 44 | |
| 45 | wxSizerXmlHandler::wxSizerXmlHandler() |
| 46 | :wxXmlResourceHandler(), |
| 47 | m_isInside(false), |
| 48 | m_isGBS(false), |
| 49 | m_parentSizer(NULL) |
| 50 | { |
| 51 | XRC_ADD_STYLE(wxHORIZONTAL); |
| 52 | XRC_ADD_STYLE(wxVERTICAL); |
| 53 | |
| 54 | // and flags |
| 55 | XRC_ADD_STYLE(wxLEFT); |
| 56 | XRC_ADD_STYLE(wxRIGHT); |
| 57 | XRC_ADD_STYLE(wxTOP); |
| 58 | XRC_ADD_STYLE(wxBOTTOM); |
| 59 | XRC_ADD_STYLE(wxNORTH); |
| 60 | XRC_ADD_STYLE(wxSOUTH); |
| 61 | XRC_ADD_STYLE(wxEAST); |
| 62 | XRC_ADD_STYLE(wxWEST); |
| 63 | XRC_ADD_STYLE(wxALL); |
| 64 | |
| 65 | XRC_ADD_STYLE(wxGROW); |
| 66 | XRC_ADD_STYLE(wxEXPAND); |
| 67 | XRC_ADD_STYLE(wxSHAPED); |
| 68 | XRC_ADD_STYLE(wxSTRETCH_NOT); |
| 69 | |
| 70 | XRC_ADD_STYLE(wxALIGN_CENTER); |
| 71 | XRC_ADD_STYLE(wxALIGN_CENTRE); |
| 72 | XRC_ADD_STYLE(wxALIGN_LEFT); |
| 73 | XRC_ADD_STYLE(wxALIGN_TOP); |
| 74 | XRC_ADD_STYLE(wxALIGN_RIGHT); |
| 75 | XRC_ADD_STYLE(wxALIGN_BOTTOM); |
| 76 | XRC_ADD_STYLE(wxALIGN_CENTER_HORIZONTAL); |
| 77 | XRC_ADD_STYLE(wxALIGN_CENTRE_HORIZONTAL); |
| 78 | XRC_ADD_STYLE(wxALIGN_CENTER_VERTICAL); |
| 79 | XRC_ADD_STYLE(wxALIGN_CENTRE_VERTICAL); |
| 80 | |
| 81 | XRC_ADD_STYLE(wxFIXED_MINSIZE); |
| 82 | XRC_ADD_STYLE(wxRESERVE_SPACE_EVEN_IF_HIDDEN); |
| 83 | |
| 84 | // this flag doesn't do anything any more but we can just ignore its |
| 85 | // occurrences in the old resource files instead of raising a fuss because |
| 86 | // of it |
| 87 | AddStyle("wxADJUST_MINSIZE", 0); |
| 88 | |
| 89 | // wxWrapSizer-specific flags |
| 90 | XRC_ADD_STYLE(wxEXTEND_LAST_ON_EACH_LINE); |
| 91 | XRC_ADD_STYLE(wxREMOVE_LEADING_SPACES); |
| 92 | } |
| 93 | |
| 94 | |
| 95 | |
| 96 | bool wxSizerXmlHandler::CanHandle(wxXmlNode *node) |
| 97 | { |
| 98 | return ( (!m_isInside && IsSizerNode(node)) || |
| 99 | (m_isInside && IsOfClass(node, wxT("sizeritem"))) || |
| 100 | (m_isInside && IsOfClass(node, wxT("spacer"))) |
| 101 | ); |
| 102 | } |
| 103 | |
| 104 | |
| 105 | wxObject* wxSizerXmlHandler::DoCreateResource() |
| 106 | { |
| 107 | if (m_class == wxT("sizeritem")) |
| 108 | return Handle_sizeritem(); |
| 109 | |
| 110 | else if (m_class == wxT("spacer")) |
| 111 | return Handle_spacer(); |
| 112 | |
| 113 | else |
| 114 | return Handle_sizer(); |
| 115 | } |
| 116 | |
| 117 | |
| 118 | |
| 119 | |
| 120 | bool wxSizerXmlHandler::IsSizerNode(wxXmlNode *node) |
| 121 | { |
| 122 | return (IsOfClass(node, wxT("wxBoxSizer"))) || |
| 123 | (IsOfClass(node, wxT("wxStaticBoxSizer"))) || |
| 124 | (IsOfClass(node, wxT("wxGridSizer"))) || |
| 125 | (IsOfClass(node, wxT("wxFlexGridSizer"))) || |
| 126 | (IsOfClass(node, wxT("wxGridBagSizer"))) || |
| 127 | (IsOfClass(node, wxT("wxWrapSizer"))); |
| 128 | } |
| 129 | |
| 130 | |
| 131 | wxObject* wxSizerXmlHandler::Handle_sizeritem() |
| 132 | { |
| 133 | // find the item to be managed by this sizeritem |
| 134 | wxXmlNode *n = GetParamNode(wxT("object")); |
| 135 | if ( !n ) |
| 136 | n = GetParamNode(wxT("object_ref")); |
| 137 | |
| 138 | // did we find one? |
| 139 | if (n) |
| 140 | { |
| 141 | // create a sizer item for it |
| 142 | wxSizerItem* sitem = MakeSizerItem(); |
| 143 | |
| 144 | // now fetch the item to be managed |
| 145 | bool old_gbs = m_isGBS; |
| 146 | bool old_ins = m_isInside; |
| 147 | wxSizer *old_par = m_parentSizer; |
| 148 | m_isInside = false; |
| 149 | if (!IsSizerNode(n)) m_parentSizer = NULL; |
| 150 | wxObject *item = CreateResFromNode(n, m_parent, NULL); |
| 151 | m_isInside = old_ins; |
| 152 | m_parentSizer = old_par; |
| 153 | m_isGBS = old_gbs; |
| 154 | |
| 155 | // and figure out what type it is |
| 156 | wxSizer *sizer = wxDynamicCast(item, wxSizer); |
| 157 | wxWindow *wnd = wxDynamicCast(item, wxWindow); |
| 158 | |
| 159 | if (sizer) |
| 160 | sitem->AssignSizer(sizer); |
| 161 | else if (wnd) |
| 162 | sitem->AssignWindow(wnd); |
| 163 | else |
| 164 | wxLogError(wxT("Error in resource.")); |
| 165 | |
| 166 | // finally, set other wxSizerItem attributes |
| 167 | SetSizerItemAttributes(sitem); |
| 168 | |
| 169 | AddSizerItem(sitem); |
| 170 | return item; |
| 171 | } |
| 172 | else /*n == NULL*/ |
| 173 | { |
| 174 | wxLogError(wxT("Error in resource: no window/sizer/spacer within sizeritem object.")); |
| 175 | return NULL; |
| 176 | } |
| 177 | } |
| 178 | |
| 179 | |
| 180 | wxObject* wxSizerXmlHandler::Handle_spacer() |
| 181 | { |
| 182 | if ( !m_parentSizer ) |
| 183 | { |
| 184 | wxLogError(_("XRC syntax error: \"spacer\" only allowed inside a " |
| 185 | "sizer")); |
| 186 | return NULL; |
| 187 | } |
| 188 | |
| 189 | wxSizerItem* sitem = MakeSizerItem(); |
| 190 | SetSizerItemAttributes(sitem); |
| 191 | sitem->AssignSpacer(GetSize()); |
| 192 | AddSizerItem(sitem); |
| 193 | return NULL; |
| 194 | } |
| 195 | |
| 196 | |
| 197 | wxObject* wxSizerXmlHandler::Handle_sizer() |
| 198 | { |
| 199 | wxSizer *sizer = NULL; |
| 200 | wxFlexGridSizer *flexsizer = NULL; |
| 201 | |
| 202 | wxXmlNode *parentNode = m_node->GetParent(); |
| 203 | |
| 204 | if ( !m_parentSizer && |
| 205 | (!parentNode || parentNode->GetType() != wxXML_ELEMENT_NODE || |
| 206 | !m_parentAsWindow) ) |
| 207 | { |
| 208 | wxLogError(_("XRC syntax error: sizer must have a window parent.")); |
| 209 | return NULL; |
| 210 | } |
| 211 | |
| 212 | if (m_class == wxT("wxBoxSizer")) |
| 213 | sizer = Handle_wxBoxSizer(); |
| 214 | #if wxUSE_STATBOX |
| 215 | else if (m_class == wxT("wxStaticBoxSizer")) |
| 216 | sizer = Handle_wxStaticBoxSizer(); |
| 217 | #endif |
| 218 | else if (m_class == wxT("wxGridSizer")) |
| 219 | sizer = Handle_wxGridSizer(); |
| 220 | else if (m_class == wxT("wxFlexGridSizer")) |
| 221 | { |
| 222 | flexsizer = Handle_wxFlexGridSizer(); |
| 223 | sizer = flexsizer; |
| 224 | } |
| 225 | else if (m_class == wxT("wxGridBagSizer")) |
| 226 | { |
| 227 | flexsizer = Handle_wxGridBagSizer(); |
| 228 | sizer = flexsizer; |
| 229 | } |
| 230 | else if (m_class == wxT("wxWrapSizer")) |
| 231 | sizer = Handle_wxWrapSizer(); |
| 232 | |
| 233 | if ( !sizer ) |
| 234 | { |
| 235 | wxLogError(_T("Failed to create size of class \"%s\""), m_class.c_str()); |
| 236 | return NULL; |
| 237 | } |
| 238 | |
| 239 | wxSize minsize = GetSize(wxT("minsize")); |
| 240 | if (!(minsize == wxDefaultSize)) |
| 241 | sizer->SetMinSize(minsize); |
| 242 | |
| 243 | // save state |
| 244 | wxSizer *old_par = m_parentSizer; |
| 245 | bool old_ins = m_isInside; |
| 246 | |
| 247 | // set new state |
| 248 | m_parentSizer = sizer; |
| 249 | m_isInside = true; |
| 250 | m_isGBS = (m_class == wxT("wxGridBagSizer")); |
| 251 | |
| 252 | CreateChildren(m_parent, true/*only this handler*/); |
| 253 | |
| 254 | // set growable rows and cols for sizers which support this |
| 255 | if ( flexsizer ) |
| 256 | { |
| 257 | SetGrowables(flexsizer, wxT("growablerows"), true); |
| 258 | SetGrowables(flexsizer, wxT("growablecols"), false); |
| 259 | } |
| 260 | |
| 261 | // restore state |
| 262 | m_isInside = old_ins; |
| 263 | m_parentSizer = old_par; |
| 264 | |
| 265 | if (m_parentSizer == NULL) // setup window: |
| 266 | { |
| 267 | m_parentAsWindow->SetSizer(sizer); |
| 268 | |
| 269 | wxXmlNode *nd = m_node; |
| 270 | m_node = parentNode; |
| 271 | if (GetSize() == wxDefaultSize) |
| 272 | { |
| 273 | if ( wxDynamicCast(m_parentAsWindow, wxScrolledWindow) != NULL ) |
| 274 | { |
| 275 | sizer->FitInside(m_parentAsWindow); |
| 276 | } |
| 277 | else |
| 278 | { |
| 279 | sizer->Fit(m_parentAsWindow); |
| 280 | } |
| 281 | } |
| 282 | m_node = nd; |
| 283 | |
| 284 | if (m_parentAsWindow->IsTopLevel()) |
| 285 | { |
| 286 | sizer->SetSizeHints(m_parentAsWindow); |
| 287 | } |
| 288 | } |
| 289 | |
| 290 | return sizer; |
| 291 | } |
| 292 | |
| 293 | |
| 294 | wxSizer* wxSizerXmlHandler::Handle_wxBoxSizer() |
| 295 | { |
| 296 | return new wxBoxSizer(GetStyle(wxT("orient"), wxHORIZONTAL)); |
| 297 | } |
| 298 | |
| 299 | #if wxUSE_STATBOX |
| 300 | wxSizer* wxSizerXmlHandler::Handle_wxStaticBoxSizer() |
| 301 | { |
| 302 | return new wxStaticBoxSizer( |
| 303 | new wxStaticBox(m_parentAsWindow, |
| 304 | GetID(), |
| 305 | GetText(wxT("label")), |
| 306 | wxDefaultPosition, wxDefaultSize, |
| 307 | 0/*style*/, |
| 308 | GetName()), |
| 309 | GetStyle(wxT("orient"), wxHORIZONTAL)); |
| 310 | } |
| 311 | #endif // wxUSE_STATBOX |
| 312 | |
| 313 | wxSizer* wxSizerXmlHandler::Handle_wxGridSizer() |
| 314 | { |
| 315 | return new wxGridSizer(GetLong(wxT("rows")), GetLong(wxT("cols")), |
| 316 | GetDimension(wxT("vgap")), GetDimension(wxT("hgap"))); |
| 317 | } |
| 318 | |
| 319 | |
| 320 | wxFlexGridSizer* wxSizerXmlHandler::Handle_wxFlexGridSizer() |
| 321 | { |
| 322 | return new wxFlexGridSizer(GetLong(wxT("rows")), GetLong(wxT("cols")), |
| 323 | GetDimension(wxT("vgap")), GetDimension(wxT("hgap"))); |
| 324 | } |
| 325 | |
| 326 | |
| 327 | wxGridBagSizer* wxSizerXmlHandler::Handle_wxGridBagSizer() |
| 328 | { |
| 329 | return new wxGridBagSizer(GetDimension(wxT("vgap")), GetDimension(wxT("hgap"))); |
| 330 | } |
| 331 | |
| 332 | wxSizer* wxSizerXmlHandler::Handle_wxWrapSizer() |
| 333 | { |
| 334 | wxWrapSizer *sizer = new wxWrapSizer(GetStyle("orient"), GetStyle("flag")); |
| 335 | return sizer; |
| 336 | } |
| 337 | |
| 338 | |
| 339 | |
| 340 | void wxSizerXmlHandler::SetGrowables(wxFlexGridSizer* sizer, |
| 341 | const wxChar* param, |
| 342 | bool rows) |
| 343 | { |
| 344 | wxStringTokenizer tkn; |
| 345 | unsigned long l; |
| 346 | tkn.SetString(GetParamValue(param), wxT(",")); |
| 347 | while (tkn.HasMoreTokens()) |
| 348 | { |
| 349 | if (!tkn.GetNextToken().ToULong(&l)) |
| 350 | { |
| 351 | wxLogError(wxT("growable[rows|cols] must be comma-separated list of row numbers")); |
| 352 | break; |
| 353 | } |
| 354 | |
| 355 | if (rows) |
| 356 | sizer->AddGrowableRow(l); |
| 357 | else |
| 358 | sizer->AddGrowableCol(l); |
| 359 | } |
| 360 | } |
| 361 | |
| 362 | |
| 363 | wxGBPosition wxSizerXmlHandler::GetGBPos(const wxString& param) |
| 364 | { |
| 365 | wxSize sz = GetSize(param); |
| 366 | if (sz.x < 0) sz.x = 0; |
| 367 | if (sz.y < 0) sz.y = 0; |
| 368 | return wxGBPosition(sz.x, sz.y); |
| 369 | } |
| 370 | |
| 371 | wxGBSpan wxSizerXmlHandler::GetGBSpan(const wxString& param) |
| 372 | { |
| 373 | wxSize sz = GetSize(param); |
| 374 | if (sz.x < 1) sz.x = 1; |
| 375 | if (sz.y < 1) sz.y = 1; |
| 376 | return wxGBSpan(sz.x, sz.y); |
| 377 | } |
| 378 | |
| 379 | |
| 380 | |
| 381 | wxSizerItem* wxSizerXmlHandler::MakeSizerItem() |
| 382 | { |
| 383 | if (m_isGBS) |
| 384 | return new wxGBSizerItem(); |
| 385 | else |
| 386 | return new wxSizerItem(); |
| 387 | } |
| 388 | |
| 389 | void wxSizerXmlHandler::SetSizerItemAttributes(wxSizerItem* sitem) |
| 390 | { |
| 391 | sitem->SetProportion(GetLong(wxT("option"))); // Should this check for "proportion" too? |
| 392 | sitem->SetFlag(GetStyle(wxT("flag"))); |
| 393 | sitem->SetBorder(GetDimension(wxT("border"))); |
| 394 | wxSize sz = GetSize(wxT("minsize")); |
| 395 | if (!(sz == wxDefaultSize)) |
| 396 | sitem->SetMinSize(sz); |
| 397 | sz = GetSize(wxT("ratio")); |
| 398 | if (!(sz == wxDefaultSize)) |
| 399 | sitem->SetRatio(sz); |
| 400 | |
| 401 | if (m_isGBS) |
| 402 | { |
| 403 | wxGBSizerItem* gbsitem = (wxGBSizerItem*)sitem; |
| 404 | gbsitem->SetPos(GetGBPos(wxT("cellpos"))); |
| 405 | gbsitem->SetSpan(GetGBSpan(wxT("cellspan"))); |
| 406 | } |
| 407 | |
| 408 | // record the id of the item, if any, for use by XRCSIZERITEM() |
| 409 | sitem->SetId(GetID()); |
| 410 | } |
| 411 | |
| 412 | void wxSizerXmlHandler::AddSizerItem(wxSizerItem* sitem) |
| 413 | { |
| 414 | if (m_isGBS) |
| 415 | ((wxGridBagSizer*)m_parentSizer)->Add((wxGBSizerItem*)sitem); |
| 416 | else |
| 417 | m_parentSizer->Add(sitem); |
| 418 | } |
| 419 | |
| 420 | |
| 421 | |
| 422 | //----------------------------------------------------------------------------- |
| 423 | // wxStdDialogButtonSizerXmlHandler |
| 424 | //----------------------------------------------------------------------------- |
| 425 | #if wxUSE_BUTTON |
| 426 | |
| 427 | IMPLEMENT_DYNAMIC_CLASS(wxStdDialogButtonSizerXmlHandler, wxXmlResourceHandler) |
| 428 | |
| 429 | wxStdDialogButtonSizerXmlHandler::wxStdDialogButtonSizerXmlHandler() |
| 430 | : m_isInside(false), m_parentSizer(NULL) |
| 431 | { |
| 432 | } |
| 433 | |
| 434 | wxObject *wxStdDialogButtonSizerXmlHandler::DoCreateResource() |
| 435 | { |
| 436 | if (m_class == wxT("wxStdDialogButtonSizer")) |
| 437 | { |
| 438 | wxASSERT( !m_parentSizer ); |
| 439 | |
| 440 | wxSizer *s = m_parentSizer = new wxStdDialogButtonSizer; |
| 441 | m_isInside = true; |
| 442 | |
| 443 | CreateChildren(m_parent, true/*only this handler*/); |
| 444 | |
| 445 | m_parentSizer->Realize(); |
| 446 | |
| 447 | m_isInside = false; |
| 448 | m_parentSizer = NULL; |
| 449 | |
| 450 | return s; |
| 451 | } |
| 452 | else // m_class == "button" |
| 453 | { |
| 454 | wxASSERT( m_parentSizer ); |
| 455 | |
| 456 | // find the item to be managed by this sizeritem |
| 457 | wxXmlNode *n = GetParamNode(wxT("object")); |
| 458 | if ( !n ) |
| 459 | n = GetParamNode(wxT("object_ref")); |
| 460 | |
| 461 | // did we find one? |
| 462 | if (n) |
| 463 | { |
| 464 | wxObject *item = CreateResFromNode(n, m_parent, NULL); |
| 465 | wxButton *button = wxDynamicCast(item, wxButton); |
| 466 | |
| 467 | if (button) |
| 468 | m_parentSizer->AddButton(button); |
| 469 | else |
| 470 | wxLogError(wxT("Error in resource - expected button.")); |
| 471 | |
| 472 | return item; |
| 473 | } |
| 474 | else /*n == NULL*/ |
| 475 | { |
| 476 | wxLogError(wxT("Error in resource: no button within wxStdDialogButtonSizer.")); |
| 477 | return NULL; |
| 478 | } |
| 479 | } |
| 480 | } |
| 481 | |
| 482 | bool wxStdDialogButtonSizerXmlHandler::CanHandle(wxXmlNode *node) |
| 483 | { |
| 484 | return (!m_isInside && IsOfClass(node, wxT("wxStdDialogButtonSizer"))) || |
| 485 | (m_isInside && IsOfClass(node, wxT("button"))); |
| 486 | } |
| 487 | #endif // wxUSE_BUTTON |
| 488 | |
| 489 | #endif // wxUSE_XRC |