| 1 | ///////////////////////////////////////////////////////////////////////////// |
| 2 | // Name: src/common/sizer.cpp |
| 3 | // Purpose: provide new wxSizer class for layout |
| 4 | // Author: Robert Roebling and Robin Dunn, contributions by |
| 5 | // Dirk Holtwick, Ron Lee |
| 6 | // Modified by: Ron Lee |
| 7 | // Created: |
| 8 | // RCS-ID: $Id$ |
| 9 | // Copyright: (c) Robin Dunn, Robert Roebling |
| 10 | // Licence: wxWindows licence |
| 11 | ///////////////////////////////////////////////////////////////////////////// |
| 12 | |
| 13 | // For compilers that support precompilation, includes "wx.h". |
| 14 | #include "wx/wxprec.h" |
| 15 | |
| 16 | #ifdef __BORLANDC__ |
| 17 | #pragma hdrstop |
| 18 | #endif |
| 19 | |
| 20 | #include "wx/display.h" |
| 21 | #include "wx/sizer.h" |
| 22 | #include "wx/private/flagscheck.h" |
| 23 | |
| 24 | #ifndef WX_PRECOMP |
| 25 | #include "wx/string.h" |
| 26 | #include "wx/intl.h" |
| 27 | #include "wx/math.h" |
| 28 | #include "wx/utils.h" |
| 29 | #include "wx/settings.h" |
| 30 | #include "wx/button.h" |
| 31 | #include "wx/statbox.h" |
| 32 | #include "wx/toplevel.h" |
| 33 | #endif // WX_PRECOMP |
| 34 | |
| 35 | #include "wx/listimpl.cpp" |
| 36 | |
| 37 | |
| 38 | //--------------------------------------------------------------------------- |
| 39 | |
| 40 | IMPLEMENT_CLASS(wxSizerItem, wxObject) |
| 41 | IMPLEMENT_CLASS(wxSizer, wxObject) |
| 42 | IMPLEMENT_CLASS(wxGridSizer, wxSizer) |
| 43 | IMPLEMENT_CLASS(wxFlexGridSizer, wxGridSizer) |
| 44 | IMPLEMENT_CLASS(wxBoxSizer, wxSizer) |
| 45 | #if wxUSE_STATBOX |
| 46 | IMPLEMENT_CLASS(wxStaticBoxSizer, wxBoxSizer) |
| 47 | #endif |
| 48 | #if wxUSE_BUTTON |
| 49 | IMPLEMENT_CLASS(wxStdDialogButtonSizer, wxBoxSizer) |
| 50 | #endif |
| 51 | |
| 52 | WX_DEFINE_EXPORTED_LIST( wxSizerItemList ) |
| 53 | |
| 54 | /* |
| 55 | TODO PROPERTIES |
| 56 | sizeritem |
| 57 | object |
| 58 | object_ref |
| 59 | minsize |
| 60 | option |
| 61 | flag |
| 62 | border |
| 63 | spacer |
| 64 | option |
| 65 | flag |
| 66 | borfder |
| 67 | boxsizer |
| 68 | orient |
| 69 | staticboxsizer |
| 70 | orient |
| 71 | label |
| 72 | gridsizer |
| 73 | rows |
| 74 | cols |
| 75 | vgap |
| 76 | hgap |
| 77 | flexgridsizer |
| 78 | rows |
| 79 | cols |
| 80 | vgap |
| 81 | hgap |
| 82 | growablerows |
| 83 | growablecols |
| 84 | minsize |
| 85 | */ |
| 86 | |
| 87 | // ---------------------------------------------------------------------------- |
| 88 | // wxSizerItem |
| 89 | // ---------------------------------------------------------------------------- |
| 90 | |
| 91 | // check for flags conflicts |
| 92 | static const int SIZER_FLAGS_MASK = |
| 93 | wxADD_FLAG(wxCENTRE, |
| 94 | wxADD_FLAG(wxHORIZONTAL, |
| 95 | wxADD_FLAG(wxVERTICAL, |
| 96 | wxADD_FLAG(wxLEFT, |
| 97 | wxADD_FLAG(wxRIGHT, |
| 98 | wxADD_FLAG(wxUP, |
| 99 | wxADD_FLAG(wxDOWN, |
| 100 | wxADD_FLAG(wxALIGN_NOT, |
| 101 | wxADD_FLAG(wxALIGN_CENTER_HORIZONTAL, |
| 102 | wxADD_FLAG(wxALIGN_RIGHT, |
| 103 | wxADD_FLAG(wxALIGN_BOTTOM, |
| 104 | wxADD_FLAG(wxALIGN_CENTER_VERTICAL, |
| 105 | wxADD_FLAG(wxFIXED_MINSIZE, |
| 106 | wxADD_FLAG(wxRESERVE_SPACE_EVEN_IF_HIDDEN, |
| 107 | wxADD_FLAG(wxSTRETCH_NOT, |
| 108 | wxADD_FLAG(wxSHRINK, |
| 109 | wxADD_FLAG(wxGROW, |
| 110 | wxADD_FLAG(wxSHAPED, |
| 111 | 0)))))))))))))))))); |
| 112 | |
| 113 | #define ASSERT_VALID_SIZER_FLAGS(f) wxASSERT_VALID_FLAGS(f, SIZER_FLAGS_MASK) |
| 114 | |
| 115 | |
| 116 | void wxSizerItem::Init(const wxSizerFlags& flags) |
| 117 | { |
| 118 | Init(); |
| 119 | |
| 120 | m_proportion = flags.GetProportion(); |
| 121 | m_flag = flags.GetFlags(); |
| 122 | m_border = flags.GetBorderInPixels(); |
| 123 | |
| 124 | ASSERT_VALID_SIZER_FLAGS( m_flag ); |
| 125 | } |
| 126 | |
| 127 | wxSizerItem::wxSizerItem() |
| 128 | { |
| 129 | Init(); |
| 130 | |
| 131 | m_proportion = 0; |
| 132 | m_border = 0; |
| 133 | m_flag = 0; |
| 134 | m_id = wxID_NONE; |
| 135 | } |
| 136 | |
| 137 | // window item |
| 138 | void wxSizerItem::DoSetWindow(wxWindow *window) |
| 139 | { |
| 140 | wxCHECK_RET( window, _T("NULL window in wxSizerItem::SetWindow()") ); |
| 141 | |
| 142 | m_kind = Item_Window; |
| 143 | m_window = window; |
| 144 | |
| 145 | // window doesn't become smaller than its initial size, whatever happens |
| 146 | m_minSize = window->GetSize(); |
| 147 | |
| 148 | if ( m_flag & wxFIXED_MINSIZE ) |
| 149 | window->SetMinSize(m_minSize); |
| 150 | |
| 151 | // aspect ratio calculated from initial size |
| 152 | SetRatio(m_minSize); |
| 153 | } |
| 154 | |
| 155 | wxSizerItem::wxSizerItem(wxWindow *window, |
| 156 | int proportion, |
| 157 | int flag, |
| 158 | int border, |
| 159 | wxObject* userData) |
| 160 | : m_kind(Item_None), |
| 161 | m_proportion(proportion), |
| 162 | m_border(border), |
| 163 | m_flag(flag), |
| 164 | m_id(wxID_NONE), |
| 165 | m_userData(userData) |
| 166 | { |
| 167 | ASSERT_VALID_SIZER_FLAGS( m_flag ); |
| 168 | |
| 169 | DoSetWindow(window); |
| 170 | } |
| 171 | |
| 172 | // sizer item |
| 173 | void wxSizerItem::DoSetSizer(wxSizer *sizer) |
| 174 | { |
| 175 | m_kind = Item_Sizer; |
| 176 | m_sizer = sizer; |
| 177 | } |
| 178 | |
| 179 | wxSizerItem::wxSizerItem(wxSizer *sizer, |
| 180 | int proportion, |
| 181 | int flag, |
| 182 | int border, |
| 183 | wxObject* userData) |
| 184 | : m_kind(Item_None), |
| 185 | m_sizer(NULL), |
| 186 | m_proportion(proportion), |
| 187 | m_border(border), |
| 188 | m_flag(flag), |
| 189 | m_id(wxID_NONE), |
| 190 | m_ratio(0.0), |
| 191 | m_userData(userData) |
| 192 | { |
| 193 | ASSERT_VALID_SIZER_FLAGS( m_flag ); |
| 194 | |
| 195 | DoSetSizer(sizer); |
| 196 | |
| 197 | // m_minSize is set later |
| 198 | } |
| 199 | |
| 200 | // spacer item |
| 201 | void wxSizerItem::DoSetSpacer(const wxSize& size) |
| 202 | { |
| 203 | m_kind = Item_Spacer; |
| 204 | m_spacer = new wxSizerSpacer(size); |
| 205 | m_minSize = size; |
| 206 | SetRatio(size); |
| 207 | } |
| 208 | |
| 209 | wxSizerItem::wxSizerItem(int width, |
| 210 | int height, |
| 211 | int proportion, |
| 212 | int flag, |
| 213 | int border, |
| 214 | wxObject* userData) |
| 215 | : m_kind(Item_None), |
| 216 | m_sizer(NULL), |
| 217 | m_minSize(width, height), // minimal size is the initial size |
| 218 | m_proportion(proportion), |
| 219 | m_border(border), |
| 220 | m_flag(flag), |
| 221 | m_id(wxID_NONE), |
| 222 | m_userData(userData) |
| 223 | { |
| 224 | ASSERT_VALID_SIZER_FLAGS( m_flag ); |
| 225 | |
| 226 | DoSetSpacer(wxSize(width, height)); |
| 227 | } |
| 228 | |
| 229 | wxSizerItem::~wxSizerItem() |
| 230 | { |
| 231 | delete m_userData; |
| 232 | Free(); |
| 233 | } |
| 234 | |
| 235 | void wxSizerItem::Free() |
| 236 | { |
| 237 | switch ( m_kind ) |
| 238 | { |
| 239 | case Item_None: |
| 240 | break; |
| 241 | |
| 242 | case Item_Window: |
| 243 | m_window->SetContainingSizer(NULL); |
| 244 | break; |
| 245 | |
| 246 | case Item_Sizer: |
| 247 | delete m_sizer; |
| 248 | break; |
| 249 | |
| 250 | case Item_Spacer: |
| 251 | delete m_spacer; |
| 252 | break; |
| 253 | |
| 254 | case Item_Max: |
| 255 | default: |
| 256 | wxFAIL_MSG( _T("unexpected wxSizerItem::m_kind") ); |
| 257 | } |
| 258 | |
| 259 | m_kind = Item_None; |
| 260 | } |
| 261 | |
| 262 | wxSize wxSizerItem::GetSpacer() const |
| 263 | { |
| 264 | wxSize size; |
| 265 | if ( m_kind == Item_Spacer ) |
| 266 | size = m_spacer->GetSize(); |
| 267 | |
| 268 | return size; |
| 269 | } |
| 270 | |
| 271 | |
| 272 | wxSize wxSizerItem::GetSize() const |
| 273 | { |
| 274 | wxSize ret; |
| 275 | switch ( m_kind ) |
| 276 | { |
| 277 | case Item_None: |
| 278 | break; |
| 279 | |
| 280 | case Item_Window: |
| 281 | ret = m_window->GetSize(); |
| 282 | break; |
| 283 | |
| 284 | case Item_Sizer: |
| 285 | ret = m_sizer->GetSize(); |
| 286 | break; |
| 287 | |
| 288 | case Item_Spacer: |
| 289 | ret = m_spacer->GetSize(); |
| 290 | break; |
| 291 | |
| 292 | case Item_Max: |
| 293 | default: |
| 294 | wxFAIL_MSG( _T("unexpected wxSizerItem::m_kind") ); |
| 295 | } |
| 296 | |
| 297 | if (m_flag & wxWEST) |
| 298 | ret.x += m_border; |
| 299 | if (m_flag & wxEAST) |
| 300 | ret.x += m_border; |
| 301 | if (m_flag & wxNORTH) |
| 302 | ret.y += m_border; |
| 303 | if (m_flag & wxSOUTH) |
| 304 | ret.y += m_border; |
| 305 | |
| 306 | return ret; |
| 307 | } |
| 308 | |
| 309 | bool wxSizerItem::InformFirstDirection(int direction, int size, int availableOtherDir) |
| 310 | { |
| 311 | // The size that come here will be including borders. Child items should get it |
| 312 | // without borders. |
| 313 | if( size>0 ) |
| 314 | { |
| 315 | if( direction==wxHORIZONTAL ) |
| 316 | { |
| 317 | if (m_flag & wxWEST) |
| 318 | size -= m_border; |
| 319 | if (m_flag & wxEAST) |
| 320 | size -= m_border; |
| 321 | } |
| 322 | else if( direction==wxVERTICAL ) |
| 323 | { |
| 324 | if (m_flag & wxNORTH) |
| 325 | size -= m_border; |
| 326 | if (m_flag & wxSOUTH) |
| 327 | size -= m_border; |
| 328 | } |
| 329 | } |
| 330 | |
| 331 | bool didUse = false; |
| 332 | // Pass the information along to the held object |
| 333 | if (IsSizer()) |
| 334 | { |
| 335 | didUse = GetSizer()->InformFirstDirection(direction,size,availableOtherDir); |
| 336 | if (didUse) |
| 337 | m_minSize = GetSizer()->CalcMin(); |
| 338 | } |
| 339 | else if (IsWindow()) |
| 340 | { |
| 341 | didUse = GetWindow()->InformFirstDirection(direction,size,availableOtherDir); |
| 342 | if (didUse) |
| 343 | m_minSize = m_window->GetEffectiveMinSize(); |
| 344 | |
| 345 | // This information is useful for items with wxSHAPED flag, since |
| 346 | // we can request an optimal min size for such an item. Even if |
| 347 | // we overwrite the m_minSize member here, we can read it back from |
| 348 | // the owned window (happens automatically). |
| 349 | if( (m_flag & wxSHAPED) && (m_flag & wxEXPAND) && direction ) |
| 350 | { |
| 351 | if( !wxIsNullDouble(m_ratio) ) |
| 352 | { |
| 353 | wxCHECK_MSG( (m_proportion==0), false, _T("Shaped item, non-zero proportion in wxSizerItem::InformFirstDirection()") ); |
| 354 | if( direction==wxHORIZONTAL && !wxIsNullDouble(m_ratio) ) |
| 355 | { |
| 356 | // Clip size so that we don't take too much |
| 357 | if( availableOtherDir>=0 && int(size/m_ratio)-m_minSize.y>availableOtherDir ) |
| 358 | size = int((availableOtherDir+m_minSize.y)*m_ratio); |
| 359 | m_minSize = wxSize(size,int(size/m_ratio)); |
| 360 | } |
| 361 | else if( direction==wxVERTICAL ) |
| 362 | { |
| 363 | // Clip size so that we don't take too much |
| 364 | if( availableOtherDir>=0 && int(size*m_ratio)-m_minSize.x>availableOtherDir ) |
| 365 | size = int((availableOtherDir+m_minSize.x)/m_ratio); |
| 366 | m_minSize = wxSize(int(size*m_ratio),size); |
| 367 | } |
| 368 | didUse = true; |
| 369 | } |
| 370 | } |
| 371 | } |
| 372 | |
| 373 | return didUse; |
| 374 | } |
| 375 | |
| 376 | wxSize wxSizerItem::CalcMin() |
| 377 | { |
| 378 | if (IsSizer()) |
| 379 | { |
| 380 | m_minSize = m_sizer->GetMinSize(); |
| 381 | |
| 382 | // if we have to preserve aspect ratio _AND_ this is |
| 383 | // the first-time calculation, consider ret to be initial size |
| 384 | if ( (m_flag & wxSHAPED) && wxIsNullDouble(m_ratio) ) |
| 385 | SetRatio(m_minSize); |
| 386 | } |
| 387 | else if ( IsWindow() ) |
| 388 | { |
| 389 | // Since the size of the window may change during runtime, we |
| 390 | // should use the current minimal/best size. |
| 391 | m_minSize = m_window->GetEffectiveMinSize(); |
| 392 | } |
| 393 | |
| 394 | return GetMinSizeWithBorder(); |
| 395 | } |
| 396 | |
| 397 | wxSize wxSizerItem::GetMinSizeWithBorder() const |
| 398 | { |
| 399 | wxSize ret = m_minSize; |
| 400 | |
| 401 | if (m_flag & wxWEST) |
| 402 | ret.x += m_border; |
| 403 | if (m_flag & wxEAST) |
| 404 | ret.x += m_border; |
| 405 | if (m_flag & wxNORTH) |
| 406 | ret.y += m_border; |
| 407 | if (m_flag & wxSOUTH) |
| 408 | ret.y += m_border; |
| 409 | |
| 410 | return ret; |
| 411 | } |
| 412 | |
| 413 | |
| 414 | void wxSizerItem::SetDimension( const wxPoint& pos_, const wxSize& size_ ) |
| 415 | { |
| 416 | wxPoint pos = pos_; |
| 417 | wxSize size = size_; |
| 418 | if (m_flag & wxSHAPED) |
| 419 | { |
| 420 | // adjust aspect ratio |
| 421 | int rwidth = (int) (size.y * m_ratio); |
| 422 | if (rwidth > size.x) |
| 423 | { |
| 424 | // fit horizontally |
| 425 | int rheight = (int) (size.x / m_ratio); |
| 426 | // add vertical space |
| 427 | if (m_flag & wxALIGN_CENTER_VERTICAL) |
| 428 | pos.y += (size.y - rheight) / 2; |
| 429 | else if (m_flag & wxALIGN_BOTTOM) |
| 430 | pos.y += (size.y - rheight); |
| 431 | // use reduced dimensions |
| 432 | size.y =rheight; |
| 433 | } |
| 434 | else if (rwidth < size.x) |
| 435 | { |
| 436 | // add horizontal space |
| 437 | if (m_flag & wxALIGN_CENTER_HORIZONTAL) |
| 438 | pos.x += (size.x - rwidth) / 2; |
| 439 | else if (m_flag & wxALIGN_RIGHT) |
| 440 | pos.x += (size.x - rwidth); |
| 441 | size.x = rwidth; |
| 442 | } |
| 443 | } |
| 444 | |
| 445 | // This is what GetPosition() returns. Since we calculate |
| 446 | // borders afterwards, GetPosition() will be the left/top |
| 447 | // corner of the surrounding border. |
| 448 | m_pos = pos; |
| 449 | |
| 450 | if (m_flag & wxWEST) |
| 451 | { |
| 452 | pos.x += m_border; |
| 453 | size.x -= m_border; |
| 454 | } |
| 455 | if (m_flag & wxEAST) |
| 456 | { |
| 457 | size.x -= m_border; |
| 458 | } |
| 459 | if (m_flag & wxNORTH) |
| 460 | { |
| 461 | pos.y += m_border; |
| 462 | size.y -= m_border; |
| 463 | } |
| 464 | if (m_flag & wxSOUTH) |
| 465 | { |
| 466 | size.y -= m_border; |
| 467 | } |
| 468 | |
| 469 | if (size.x < 0) |
| 470 | size.x = 0; |
| 471 | if (size.y < 0) |
| 472 | size.y = 0; |
| 473 | |
| 474 | m_rect = wxRect(pos, size); |
| 475 | |
| 476 | switch ( m_kind ) |
| 477 | { |
| 478 | case Item_None: |
| 479 | wxFAIL_MSG( _T("can't set size of uninitialized sizer item") ); |
| 480 | break; |
| 481 | |
| 482 | case Item_Window: |
| 483 | m_window->SetSize(pos.x, pos.y, size.x, size.y, |
| 484 | wxSIZE_ALLOW_MINUS_ONE); |
| 485 | break; |
| 486 | |
| 487 | case Item_Sizer: |
| 488 | m_sizer->SetDimension(pos, size); |
| 489 | break; |
| 490 | |
| 491 | case Item_Spacer: |
| 492 | m_spacer->SetSize(size); |
| 493 | break; |
| 494 | |
| 495 | case Item_Max: |
| 496 | default: |
| 497 | wxFAIL_MSG( _T("unexpected wxSizerItem::m_kind") ); |
| 498 | } |
| 499 | } |
| 500 | |
| 501 | void wxSizerItem::DeleteWindows() |
| 502 | { |
| 503 | switch ( m_kind ) |
| 504 | { |
| 505 | case Item_None: |
| 506 | case Item_Spacer: |
| 507 | break; |
| 508 | |
| 509 | case Item_Window: |
| 510 | //We are deleting the window from this sizer - normally |
| 511 | //the window destroys the sizer associated with it, |
| 512 | //which might destroy this, which we don't want |
| 513 | m_window->SetContainingSizer(NULL); |
| 514 | m_window->Destroy(); |
| 515 | //Putting this after the switch will result in a spacer |
| 516 | //not being deleted properly on destruction |
| 517 | m_kind = Item_None; |
| 518 | break; |
| 519 | |
| 520 | case Item_Sizer: |
| 521 | m_sizer->DeleteWindows(); |
| 522 | break; |
| 523 | |
| 524 | case Item_Max: |
| 525 | default: |
| 526 | wxFAIL_MSG( _T("unexpected wxSizerItem::m_kind") ); |
| 527 | } |
| 528 | |
| 529 | } |
| 530 | |
| 531 | void wxSizerItem::Show( bool show ) |
| 532 | { |
| 533 | switch ( m_kind ) |
| 534 | { |
| 535 | case Item_None: |
| 536 | wxFAIL_MSG( _T("can't show uninitialized sizer item") ); |
| 537 | break; |
| 538 | |
| 539 | case Item_Window: |
| 540 | m_window->Show(show); |
| 541 | break; |
| 542 | |
| 543 | case Item_Sizer: |
| 544 | m_sizer->Show(show); |
| 545 | break; |
| 546 | |
| 547 | case Item_Spacer: |
| 548 | m_spacer->Show(show); |
| 549 | break; |
| 550 | |
| 551 | case Item_Max: |
| 552 | default: |
| 553 | wxFAIL_MSG( _T("unexpected wxSizerItem::m_kind") ); |
| 554 | } |
| 555 | } |
| 556 | |
| 557 | bool wxSizerItem::IsShown() const |
| 558 | { |
| 559 | if ( m_flag & wxRESERVE_SPACE_EVEN_IF_HIDDEN ) |
| 560 | return true; |
| 561 | |
| 562 | switch ( m_kind ) |
| 563 | { |
| 564 | case Item_None: |
| 565 | // we may be called from CalcMin(), just return false so that we're |
| 566 | // not used |
| 567 | break; |
| 568 | |
| 569 | case Item_Window: |
| 570 | return m_window->IsShown(); |
| 571 | |
| 572 | case Item_Sizer: |
| 573 | // arbitrarily decide that if at least one of our elements is |
| 574 | // shown, so are we (this arbitrariness is the reason for |
| 575 | // deprecating this function) |
| 576 | { |
| 577 | // Some apps (such as dialog editors) depend on an empty sizer still |
| 578 | // being laid out correctly and reporting the correct size and position. |
| 579 | if (m_sizer->GetChildren().GetCount() == 0) |
| 580 | return true; |
| 581 | |
| 582 | for ( wxSizerItemList::compatibility_iterator |
| 583 | node = m_sizer->GetChildren().GetFirst(); |
| 584 | node; |
| 585 | node = node->GetNext() ) |
| 586 | { |
| 587 | if ( node->GetData()->IsShown() ) |
| 588 | return true; |
| 589 | } |
| 590 | } |
| 591 | return false; |
| 592 | |
| 593 | case Item_Spacer: |
| 594 | return m_spacer->IsShown(); |
| 595 | |
| 596 | case Item_Max: |
| 597 | default: |
| 598 | wxFAIL_MSG( _T("unexpected wxSizerItem::m_kind") ); |
| 599 | } |
| 600 | |
| 601 | return false; |
| 602 | } |
| 603 | |
| 604 | #if WXWIN_COMPATIBILITY_2_6 |
| 605 | void wxSizerItem::SetOption( int option ) |
| 606 | { |
| 607 | SetProportion( option ); |
| 608 | } |
| 609 | |
| 610 | int wxSizerItem::GetOption() const |
| 611 | { |
| 612 | return GetProportion(); |
| 613 | } |
| 614 | #endif // WXWIN_COMPATIBILITY_2_6 |
| 615 | |
| 616 | |
| 617 | //--------------------------------------------------------------------------- |
| 618 | // wxSizer |
| 619 | //--------------------------------------------------------------------------- |
| 620 | |
| 621 | wxSizer::~wxSizer() |
| 622 | { |
| 623 | WX_CLEAR_LIST(wxSizerItemList, m_children); |
| 624 | } |
| 625 | |
| 626 | wxSizerItem* wxSizer::Insert( size_t index, wxSizerItem *item ) |
| 627 | { |
| 628 | m_children.Insert( index, item ); |
| 629 | |
| 630 | if ( item->GetWindow() ) |
| 631 | item->GetWindow()->SetContainingSizer( this ); |
| 632 | |
| 633 | if ( item->GetSizer() ) |
| 634 | item->GetSizer()->SetContainingWindow( m_containingWindow ); |
| 635 | |
| 636 | return item; |
| 637 | } |
| 638 | |
| 639 | void wxSizer::SetContainingWindow(wxWindow *win) |
| 640 | { |
| 641 | if ( win == m_containingWindow ) |
| 642 | return; |
| 643 | |
| 644 | m_containingWindow = win; |
| 645 | |
| 646 | // set the same window for all nested sizers as well, they also are in the |
| 647 | // same window |
| 648 | for ( wxSizerItemList::compatibility_iterator node = m_children.GetFirst(); |
| 649 | node; |
| 650 | node = node->GetNext() ) |
| 651 | { |
| 652 | wxSizerItem *const item = node->GetData(); |
| 653 | wxSizer *const sizer = item->GetSizer(); |
| 654 | |
| 655 | if ( sizer ) |
| 656 | { |
| 657 | sizer->SetContainingWindow(win); |
| 658 | } |
| 659 | } |
| 660 | } |
| 661 | |
| 662 | #if WXWIN_COMPATIBILITY_2_6 |
| 663 | bool wxSizer::Remove( wxWindow *window ) |
| 664 | { |
| 665 | return Detach( window ); |
| 666 | } |
| 667 | #endif // WXWIN_COMPATIBILITY_2_6 |
| 668 | |
| 669 | bool wxSizer::Remove( wxSizer *sizer ) |
| 670 | { |
| 671 | wxASSERT_MSG( sizer, _T("Removing NULL sizer") ); |
| 672 | |
| 673 | wxSizerItemList::compatibility_iterator node = m_children.GetFirst(); |
| 674 | while (node) |
| 675 | { |
| 676 | wxSizerItem *item = node->GetData(); |
| 677 | |
| 678 | if (item->GetSizer() == sizer) |
| 679 | { |
| 680 | delete item; |
| 681 | m_children.Erase( node ); |
| 682 | return true; |
| 683 | } |
| 684 | |
| 685 | node = node->GetNext(); |
| 686 | } |
| 687 | |
| 688 | return false; |
| 689 | } |
| 690 | |
| 691 | bool wxSizer::Remove( int index ) |
| 692 | { |
| 693 | wxCHECK_MSG( index >= 0 && (size_t)index < m_children.GetCount(), |
| 694 | false, |
| 695 | _T("Remove index is out of range") ); |
| 696 | |
| 697 | wxSizerItemList::compatibility_iterator node = m_children.Item( index ); |
| 698 | |
| 699 | wxCHECK_MSG( node, false, _T("Failed to find child node") ); |
| 700 | |
| 701 | delete node->GetData(); |
| 702 | m_children.Erase( node ); |
| 703 | |
| 704 | return true; |
| 705 | } |
| 706 | |
| 707 | bool wxSizer::Detach( wxSizer *sizer ) |
| 708 | { |
| 709 | wxASSERT_MSG( sizer, _T("Detaching NULL sizer") ); |
| 710 | |
| 711 | wxSizerItemList::compatibility_iterator node = m_children.GetFirst(); |
| 712 | while (node) |
| 713 | { |
| 714 | wxSizerItem *item = node->GetData(); |
| 715 | |
| 716 | if (item->GetSizer() == sizer) |
| 717 | { |
| 718 | item->DetachSizer(); |
| 719 | delete item; |
| 720 | m_children.Erase( node ); |
| 721 | return true; |
| 722 | } |
| 723 | node = node->GetNext(); |
| 724 | } |
| 725 | |
| 726 | return false; |
| 727 | } |
| 728 | |
| 729 | bool wxSizer::Detach( wxWindow *window ) |
| 730 | { |
| 731 | wxASSERT_MSG( window, _T("Detaching NULL window") ); |
| 732 | |
| 733 | wxSizerItemList::compatibility_iterator node = m_children.GetFirst(); |
| 734 | while (node) |
| 735 | { |
| 736 | wxSizerItem *item = node->GetData(); |
| 737 | |
| 738 | if (item->GetWindow() == window) |
| 739 | { |
| 740 | delete item; |
| 741 | m_children.Erase( node ); |
| 742 | return true; |
| 743 | } |
| 744 | node = node->GetNext(); |
| 745 | } |
| 746 | |
| 747 | return false; |
| 748 | } |
| 749 | |
| 750 | bool wxSizer::Detach( int index ) |
| 751 | { |
| 752 | wxCHECK_MSG( index >= 0 && (size_t)index < m_children.GetCount(), |
| 753 | false, |
| 754 | _T("Detach index is out of range") ); |
| 755 | |
| 756 | wxSizerItemList::compatibility_iterator node = m_children.Item( index ); |
| 757 | |
| 758 | wxCHECK_MSG( node, false, _T("Failed to find child node") ); |
| 759 | |
| 760 | wxSizerItem *item = node->GetData(); |
| 761 | |
| 762 | if ( item->IsSizer() ) |
| 763 | item->DetachSizer(); |
| 764 | |
| 765 | delete item; |
| 766 | m_children.Erase( node ); |
| 767 | return true; |
| 768 | } |
| 769 | |
| 770 | bool wxSizer::Replace( wxWindow *oldwin, wxWindow *newwin, bool recursive ) |
| 771 | { |
| 772 | wxASSERT_MSG( oldwin, _T("Replacing NULL window") ); |
| 773 | wxASSERT_MSG( newwin, _T("Replacing with NULL window") ); |
| 774 | |
| 775 | wxSizerItemList::compatibility_iterator node = m_children.GetFirst(); |
| 776 | while (node) |
| 777 | { |
| 778 | wxSizerItem *item = node->GetData(); |
| 779 | |
| 780 | if (item->GetWindow() == oldwin) |
| 781 | { |
| 782 | item->AssignWindow(newwin); |
| 783 | newwin->SetContainingSizer( this ); |
| 784 | return true; |
| 785 | } |
| 786 | else if (recursive && item->IsSizer()) |
| 787 | { |
| 788 | if (item->GetSizer()->Replace( oldwin, newwin, true )) |
| 789 | return true; |
| 790 | } |
| 791 | |
| 792 | node = node->GetNext(); |
| 793 | } |
| 794 | |
| 795 | return false; |
| 796 | } |
| 797 | |
| 798 | bool wxSizer::Replace( wxSizer *oldsz, wxSizer *newsz, bool recursive ) |
| 799 | { |
| 800 | wxASSERT_MSG( oldsz, _T("Replacing NULL sizer") ); |
| 801 | wxASSERT_MSG( newsz, _T("Replacing with NULL sizer") ); |
| 802 | |
| 803 | wxSizerItemList::compatibility_iterator node = m_children.GetFirst(); |
| 804 | while (node) |
| 805 | { |
| 806 | wxSizerItem *item = node->GetData(); |
| 807 | |
| 808 | if (item->GetSizer() == oldsz) |
| 809 | { |
| 810 | item->AssignSizer(newsz); |
| 811 | return true; |
| 812 | } |
| 813 | else if (recursive && item->IsSizer()) |
| 814 | { |
| 815 | if (item->GetSizer()->Replace( oldsz, newsz, true )) |
| 816 | return true; |
| 817 | } |
| 818 | |
| 819 | node = node->GetNext(); |
| 820 | } |
| 821 | |
| 822 | return false; |
| 823 | } |
| 824 | |
| 825 | bool wxSizer::Replace( size_t old, wxSizerItem *newitem ) |
| 826 | { |
| 827 | wxCHECK_MSG( old < m_children.GetCount(), false, _T("Replace index is out of range") ); |
| 828 | wxASSERT_MSG( newitem, _T("Replacing with NULL item") ); |
| 829 | |
| 830 | wxSizerItemList::compatibility_iterator node = m_children.Item( old ); |
| 831 | |
| 832 | wxCHECK_MSG( node, false, _T("Failed to find child node") ); |
| 833 | |
| 834 | wxSizerItem *item = node->GetData(); |
| 835 | node->SetData(newitem); |
| 836 | delete item; |
| 837 | |
| 838 | return true; |
| 839 | } |
| 840 | |
| 841 | void wxSizer::Clear( bool delete_windows ) |
| 842 | { |
| 843 | // First clear the ContainingSizer pointers |
| 844 | wxSizerItemList::compatibility_iterator node = m_children.GetFirst(); |
| 845 | while (node) |
| 846 | { |
| 847 | wxSizerItem *item = node->GetData(); |
| 848 | |
| 849 | if (item->IsWindow()) |
| 850 | item->GetWindow()->SetContainingSizer( NULL ); |
| 851 | node = node->GetNext(); |
| 852 | } |
| 853 | |
| 854 | // Destroy the windows if needed |
| 855 | if (delete_windows) |
| 856 | DeleteWindows(); |
| 857 | |
| 858 | // Now empty the list |
| 859 | WX_CLEAR_LIST(wxSizerItemList, m_children); |
| 860 | } |
| 861 | |
| 862 | void wxSizer::DeleteWindows() |
| 863 | { |
| 864 | wxSizerItemList::compatibility_iterator node = m_children.GetFirst(); |
| 865 | while (node) |
| 866 | { |
| 867 | wxSizerItem *item = node->GetData(); |
| 868 | |
| 869 | item->DeleteWindows(); |
| 870 | node = node->GetNext(); |
| 871 | } |
| 872 | } |
| 873 | |
| 874 | wxSize wxSizer::ComputeFittingClientSize(wxWindow *window) |
| 875 | { |
| 876 | wxCHECK_MSG( window, wxDefaultSize, "window can't be NULL" ); |
| 877 | |
| 878 | // take the min size by default and limit it by max size |
| 879 | wxSize size = GetMinClientSize(window); |
| 880 | wxSize sizeMax; |
| 881 | |
| 882 | wxTopLevelWindow *tlw = wxDynamicCast(window, wxTopLevelWindow); |
| 883 | if ( tlw ) |
| 884 | { |
| 885 | // hack for small screen devices where TLWs are always full screen |
| 886 | if ( tlw->IsAlwaysMaximized() ) |
| 887 | { |
| 888 | return tlw->GetClientSize(); |
| 889 | } |
| 890 | |
| 891 | // limit the window to the size of the display it is on |
| 892 | int disp = wxDisplay::GetFromWindow(window); |
| 893 | if ( disp == wxNOT_FOUND ) |
| 894 | { |
| 895 | // or, if we don't know which one it is, of the main one |
| 896 | disp = 0; |
| 897 | } |
| 898 | |
| 899 | sizeMax = wxDisplay(disp).GetClientArea().GetSize(); |
| 900 | |
| 901 | // space for decorations and toolbars etc. |
| 902 | sizeMax = tlw->WindowToClientSize(sizeMax); |
| 903 | } |
| 904 | else |
| 905 | { |
| 906 | sizeMax = GetMaxClientSize(window); |
| 907 | } |
| 908 | |
| 909 | if ( sizeMax.x != wxDefaultCoord && size.x > sizeMax.x ) |
| 910 | size.x = sizeMax.x; |
| 911 | if ( sizeMax.y != wxDefaultCoord && size.y > sizeMax.y ) |
| 912 | size.y = sizeMax.y; |
| 913 | |
| 914 | return size; |
| 915 | } |
| 916 | |
| 917 | wxSize wxSizer::ComputeFittingWindowSize(wxWindow *window) |
| 918 | { |
| 919 | wxCHECK_MSG( window, wxDefaultSize, "window can't be NULL" ); |
| 920 | |
| 921 | return window->ClientToWindowSize(ComputeFittingClientSize(window)); |
| 922 | } |
| 923 | |
| 924 | wxSize wxSizer::Fit( wxWindow *window ) |
| 925 | { |
| 926 | wxCHECK_MSG( window, wxDefaultSize, "window can't be NULL" ); |
| 927 | |
| 928 | // set client size |
| 929 | window->SetClientSize(ComputeFittingClientSize(window)); |
| 930 | |
| 931 | // return entire size |
| 932 | return window->GetSize(); |
| 933 | } |
| 934 | |
| 935 | void wxSizer::FitInside( wxWindow *window ) |
| 936 | { |
| 937 | wxSize size; |
| 938 | if (window->IsTopLevel()) |
| 939 | size = VirtualFitSize( window ); |
| 940 | else |
| 941 | size = GetMinClientSize( window ); |
| 942 | |
| 943 | window->SetVirtualSize( size ); |
| 944 | } |
| 945 | |
| 946 | void wxSizer::Layout() |
| 947 | { |
| 948 | // (re)calculates minimums needed for each item and other preparations |
| 949 | // for layout |
| 950 | CalcMin(); |
| 951 | |
| 952 | // Applies the layout and repositions/resizes the items |
| 953 | RecalcSizes(); |
| 954 | } |
| 955 | |
| 956 | void wxSizer::SetSizeHints( wxWindow *window ) |
| 957 | { |
| 958 | // Preserve the window's max size hints, but set the |
| 959 | // lower bound according to the sizer calculations. |
| 960 | |
| 961 | // This is equivalent to calling Fit(), except that we need to set |
| 962 | // the size hints _in between_ the two steps performed by Fit |
| 963 | // (1. ComputeFittingClientSize, 2. SetClientSize). That's because |
| 964 | // otherwise SetClientSize() could have no effect if there already are |
| 965 | // size hints in effect that forbid requested client size. |
| 966 | |
| 967 | const wxSize clientSize = ComputeFittingClientSize(window); |
| 968 | |
| 969 | window->SetMinClientSize(clientSize); |
| 970 | window->SetClientSize(clientSize); |
| 971 | } |
| 972 | |
| 973 | #if WXWIN_COMPATIBILITY_2_8 |
| 974 | void wxSizer::SetVirtualSizeHints( wxWindow *window ) |
| 975 | { |
| 976 | FitInside( window ); |
| 977 | } |
| 978 | #endif // WXWIN_COMPATIBILITY_2_8 |
| 979 | |
| 980 | // TODO on mac we need a function that determines how much free space this |
| 981 | // min size contains, in order to make sure that we have 20 pixels of free |
| 982 | // space around the controls |
| 983 | wxSize wxSizer::GetMaxClientSize( wxWindow *window ) const |
| 984 | { |
| 985 | return window->WindowToClientSize(window->GetMaxSize()); |
| 986 | } |
| 987 | |
| 988 | wxSize wxSizer::GetMinClientSize( wxWindow *WXUNUSED(window) ) |
| 989 | { |
| 990 | return GetMinSize(); // Already returns client size. |
| 991 | } |
| 992 | |
| 993 | wxSize wxSizer::VirtualFitSize( wxWindow *window ) |
| 994 | { |
| 995 | wxSize size = GetMinClientSize( window ); |
| 996 | wxSize sizeMax = GetMaxClientSize( window ); |
| 997 | |
| 998 | // Limit the size if sizeMax != wxDefaultSize |
| 999 | |
| 1000 | if ( size.x > sizeMax.x && sizeMax.x != wxDefaultCoord ) |
| 1001 | size.x = sizeMax.x; |
| 1002 | if ( size.y > sizeMax.y && sizeMax.y != wxDefaultCoord ) |
| 1003 | size.y = sizeMax.y; |
| 1004 | |
| 1005 | return size; |
| 1006 | } |
| 1007 | |
| 1008 | wxSize wxSizer::GetMinSize() |
| 1009 | { |
| 1010 | wxSize ret( CalcMin() ); |
| 1011 | if (ret.x < m_minSize.x) ret.x = m_minSize.x; |
| 1012 | if (ret.y < m_minSize.y) ret.y = m_minSize.y; |
| 1013 | return ret; |
| 1014 | } |
| 1015 | |
| 1016 | void wxSizer::DoSetMinSize( int width, int height ) |
| 1017 | { |
| 1018 | m_minSize.x = width; |
| 1019 | m_minSize.y = height; |
| 1020 | } |
| 1021 | |
| 1022 | bool wxSizer::DoSetItemMinSize( wxWindow *window, int width, int height ) |
| 1023 | { |
| 1024 | wxASSERT_MSG( window, _T("SetMinSize for NULL window") ); |
| 1025 | |
| 1026 | // Is it our immediate child? |
| 1027 | |
| 1028 | wxSizerItemList::compatibility_iterator node = m_children.GetFirst(); |
| 1029 | while (node) |
| 1030 | { |
| 1031 | wxSizerItem *item = node->GetData(); |
| 1032 | |
| 1033 | if (item->GetWindow() == window) |
| 1034 | { |
| 1035 | item->SetMinSize( width, height ); |
| 1036 | return true; |
| 1037 | } |
| 1038 | node = node->GetNext(); |
| 1039 | } |
| 1040 | |
| 1041 | // No? Search any subsizers we own then |
| 1042 | |
| 1043 | node = m_children.GetFirst(); |
| 1044 | while (node) |
| 1045 | { |
| 1046 | wxSizerItem *item = node->GetData(); |
| 1047 | |
| 1048 | if ( item->GetSizer() && |
| 1049 | item->GetSizer()->DoSetItemMinSize( window, width, height ) ) |
| 1050 | { |
| 1051 | // A child sizer found the requested windw, exit. |
| 1052 | return true; |
| 1053 | } |
| 1054 | node = node->GetNext(); |
| 1055 | } |
| 1056 | |
| 1057 | return false; |
| 1058 | } |
| 1059 | |
| 1060 | bool wxSizer::DoSetItemMinSize( wxSizer *sizer, int width, int height ) |
| 1061 | { |
| 1062 | wxASSERT_MSG( sizer, _T("SetMinSize for NULL sizer") ); |
| 1063 | |
| 1064 | // Is it our immediate child? |
| 1065 | |
| 1066 | wxSizerItemList::compatibility_iterator node = m_children.GetFirst(); |
| 1067 | while (node) |
| 1068 | { |
| 1069 | wxSizerItem *item = node->GetData(); |
| 1070 | |
| 1071 | if (item->GetSizer() == sizer) |
| 1072 | { |
| 1073 | item->GetSizer()->DoSetMinSize( width, height ); |
| 1074 | return true; |
| 1075 | } |
| 1076 | node = node->GetNext(); |
| 1077 | } |
| 1078 | |
| 1079 | // No? Search any subsizers we own then |
| 1080 | |
| 1081 | node = m_children.GetFirst(); |
| 1082 | while (node) |
| 1083 | { |
| 1084 | wxSizerItem *item = node->GetData(); |
| 1085 | |
| 1086 | if ( item->GetSizer() && |
| 1087 | item->GetSizer()->DoSetItemMinSize( sizer, width, height ) ) |
| 1088 | { |
| 1089 | // A child found the requested sizer, exit. |
| 1090 | return true; |
| 1091 | } |
| 1092 | node = node->GetNext(); |
| 1093 | } |
| 1094 | |
| 1095 | return false; |
| 1096 | } |
| 1097 | |
| 1098 | bool wxSizer::DoSetItemMinSize( size_t index, int width, int height ) |
| 1099 | { |
| 1100 | wxSizerItemList::compatibility_iterator node = m_children.Item( index ); |
| 1101 | |
| 1102 | wxCHECK_MSG( node, false, _T("Failed to find child node") ); |
| 1103 | |
| 1104 | wxSizerItem *item = node->GetData(); |
| 1105 | |
| 1106 | if (item->GetSizer()) |
| 1107 | { |
| 1108 | // Sizers contains the minimal size in them, if not calculated ... |
| 1109 | item->GetSizer()->DoSetMinSize( width, height ); |
| 1110 | } |
| 1111 | else |
| 1112 | { |
| 1113 | // ... but the minimal size of spacers and windows is stored via the item |
| 1114 | item->SetMinSize( width, height ); |
| 1115 | } |
| 1116 | |
| 1117 | return true; |
| 1118 | } |
| 1119 | |
| 1120 | wxSizerItem* wxSizer::GetItem( wxWindow *window, bool recursive ) |
| 1121 | { |
| 1122 | wxASSERT_MSG( window, _T("GetItem for NULL window") ); |
| 1123 | |
| 1124 | wxSizerItemList::compatibility_iterator node = m_children.GetFirst(); |
| 1125 | while (node) |
| 1126 | { |
| 1127 | wxSizerItem *item = node->GetData(); |
| 1128 | |
| 1129 | if (item->GetWindow() == window) |
| 1130 | { |
| 1131 | return item; |
| 1132 | } |
| 1133 | else if (recursive && item->IsSizer()) |
| 1134 | { |
| 1135 | wxSizerItem *subitem = item->GetSizer()->GetItem( window, true ); |
| 1136 | if (subitem) |
| 1137 | return subitem; |
| 1138 | } |
| 1139 | |
| 1140 | node = node->GetNext(); |
| 1141 | } |
| 1142 | |
| 1143 | return NULL; |
| 1144 | } |
| 1145 | |
| 1146 | wxSizerItem* wxSizer::GetItem( wxSizer *sizer, bool recursive ) |
| 1147 | { |
| 1148 | wxASSERT_MSG( sizer, _T("GetItem for NULL sizer") ); |
| 1149 | |
| 1150 | wxSizerItemList::compatibility_iterator node = m_children.GetFirst(); |
| 1151 | while (node) |
| 1152 | { |
| 1153 | wxSizerItem *item = node->GetData(); |
| 1154 | |
| 1155 | if (item->GetSizer() == sizer) |
| 1156 | { |
| 1157 | return item; |
| 1158 | } |
| 1159 | else if (recursive && item->IsSizer()) |
| 1160 | { |
| 1161 | wxSizerItem *subitem = item->GetSizer()->GetItem( sizer, true ); |
| 1162 | if (subitem) |
| 1163 | return subitem; |
| 1164 | } |
| 1165 | |
| 1166 | node = node->GetNext(); |
| 1167 | } |
| 1168 | |
| 1169 | return NULL; |
| 1170 | } |
| 1171 | |
| 1172 | wxSizerItem* wxSizer::GetItem( size_t index ) |
| 1173 | { |
| 1174 | wxCHECK_MSG( index < m_children.GetCount(), |
| 1175 | NULL, |
| 1176 | _T("GetItem index is out of range") ); |
| 1177 | |
| 1178 | return m_children.Item( index )->GetData(); |
| 1179 | } |
| 1180 | |
| 1181 | wxSizerItem* wxSizer::GetItemById( int id, bool recursive ) |
| 1182 | { |
| 1183 | // This gets a sizer item by the id of the sizer item |
| 1184 | // and NOT the id of a window if the item is a window. |
| 1185 | |
| 1186 | wxSizerItemList::compatibility_iterator node = m_children.GetFirst(); |
| 1187 | while (node) |
| 1188 | { |
| 1189 | wxSizerItem *item = node->GetData(); |
| 1190 | |
| 1191 | if (item->GetId() == id) |
| 1192 | { |
| 1193 | return item; |
| 1194 | } |
| 1195 | else if (recursive && item->IsSizer()) |
| 1196 | { |
| 1197 | wxSizerItem *subitem = item->GetSizer()->GetItemById( id, true ); |
| 1198 | if (subitem) |
| 1199 | return subitem; |
| 1200 | } |
| 1201 | |
| 1202 | node = node->GetNext(); |
| 1203 | } |
| 1204 | |
| 1205 | return NULL; |
| 1206 | } |
| 1207 | |
| 1208 | bool wxSizer::Show( wxWindow *window, bool show, bool recursive ) |
| 1209 | { |
| 1210 | wxSizerItem *item = GetItem( window, recursive ); |
| 1211 | |
| 1212 | if ( item ) |
| 1213 | { |
| 1214 | item->Show( show ); |
| 1215 | return true; |
| 1216 | } |
| 1217 | |
| 1218 | return false; |
| 1219 | } |
| 1220 | |
| 1221 | bool wxSizer::Show( wxSizer *sizer, bool show, bool recursive ) |
| 1222 | { |
| 1223 | wxSizerItem *item = GetItem( sizer, recursive ); |
| 1224 | |
| 1225 | if ( item ) |
| 1226 | { |
| 1227 | item->Show( show ); |
| 1228 | return true; |
| 1229 | } |
| 1230 | |
| 1231 | return false; |
| 1232 | } |
| 1233 | |
| 1234 | bool wxSizer::Show( size_t index, bool show) |
| 1235 | { |
| 1236 | wxSizerItem *item = GetItem( index ); |
| 1237 | |
| 1238 | if ( item ) |
| 1239 | { |
| 1240 | item->Show( show ); |
| 1241 | return true; |
| 1242 | } |
| 1243 | |
| 1244 | return false; |
| 1245 | } |
| 1246 | |
| 1247 | void wxSizer::ShowItems( bool show ) |
| 1248 | { |
| 1249 | wxSizerItemList::compatibility_iterator node = m_children.GetFirst(); |
| 1250 | while (node) |
| 1251 | { |
| 1252 | node->GetData()->Show( show ); |
| 1253 | node = node->GetNext(); |
| 1254 | } |
| 1255 | } |
| 1256 | |
| 1257 | bool wxSizer::IsShown( wxWindow *window ) const |
| 1258 | { |
| 1259 | wxSizerItemList::compatibility_iterator node = m_children.GetFirst(); |
| 1260 | while (node) |
| 1261 | { |
| 1262 | wxSizerItem *item = node->GetData(); |
| 1263 | |
| 1264 | if (item->GetWindow() == window) |
| 1265 | { |
| 1266 | return item->IsShown(); |
| 1267 | } |
| 1268 | node = node->GetNext(); |
| 1269 | } |
| 1270 | |
| 1271 | wxFAIL_MSG( _T("IsShown failed to find sizer item") ); |
| 1272 | |
| 1273 | return false; |
| 1274 | } |
| 1275 | |
| 1276 | bool wxSizer::IsShown( wxSizer *sizer ) const |
| 1277 | { |
| 1278 | wxSizerItemList::compatibility_iterator node = m_children.GetFirst(); |
| 1279 | while (node) |
| 1280 | { |
| 1281 | wxSizerItem *item = node->GetData(); |
| 1282 | |
| 1283 | if (item->GetSizer() == sizer) |
| 1284 | { |
| 1285 | return item->IsShown(); |
| 1286 | } |
| 1287 | node = node->GetNext(); |
| 1288 | } |
| 1289 | |
| 1290 | wxFAIL_MSG( _T("IsShown failed to find sizer item") ); |
| 1291 | |
| 1292 | return false; |
| 1293 | } |
| 1294 | |
| 1295 | bool wxSizer::IsShown( size_t index ) const |
| 1296 | { |
| 1297 | wxCHECK_MSG( index < m_children.GetCount(), |
| 1298 | false, |
| 1299 | _T("IsShown index is out of range") ); |
| 1300 | |
| 1301 | return m_children.Item( index )->GetData()->IsShown(); |
| 1302 | } |
| 1303 | |
| 1304 | |
| 1305 | //--------------------------------------------------------------------------- |
| 1306 | // wxGridSizer |
| 1307 | //--------------------------------------------------------------------------- |
| 1308 | |
| 1309 | wxGridSizer::wxGridSizer( int rows, int cols, int vgap, int hgap ) |
| 1310 | : m_rows( ( cols == 0 && rows == 0 ) ? 1 : rows ) |
| 1311 | , m_cols( cols ) |
| 1312 | , m_vgap( vgap ) |
| 1313 | , m_hgap( hgap ) |
| 1314 | { |
| 1315 | } |
| 1316 | |
| 1317 | wxGridSizer::wxGridSizer( int cols, int vgap, int hgap ) |
| 1318 | : m_rows( cols == 0 ? 1 : 0 ) |
| 1319 | , m_cols( cols ) |
| 1320 | , m_vgap( vgap ) |
| 1321 | , m_hgap( hgap ) |
| 1322 | { |
| 1323 | } |
| 1324 | |
| 1325 | int wxGridSizer::CalcRowsCols(int& nrows, int& ncols) const |
| 1326 | { |
| 1327 | int nitems = m_children.GetCount(); |
| 1328 | if ( nitems) |
| 1329 | { |
| 1330 | if ( m_cols ) |
| 1331 | { |
| 1332 | ncols = m_cols; |
| 1333 | nrows = (nitems + m_cols - 1) / m_cols; |
| 1334 | } |
| 1335 | else if ( m_rows ) |
| 1336 | { |
| 1337 | ncols = (nitems + m_rows - 1) / m_rows; |
| 1338 | nrows = m_rows; |
| 1339 | } |
| 1340 | else // 0 columns, 0 rows? |
| 1341 | { |
| 1342 | wxFAIL_MSG( _T("grid sizer must have either rows or columns fixed") ); |
| 1343 | |
| 1344 | nrows = ncols = 0; |
| 1345 | } |
| 1346 | } |
| 1347 | |
| 1348 | return nitems; |
| 1349 | } |
| 1350 | |
| 1351 | void wxGridSizer::RecalcSizes() |
| 1352 | { |
| 1353 | int nitems, nrows, ncols; |
| 1354 | if ( (nitems = CalcRowsCols(nrows, ncols)) == 0 ) |
| 1355 | return; |
| 1356 | |
| 1357 | wxSize sz( GetSize() ); |
| 1358 | wxPoint pt( GetPosition() ); |
| 1359 | |
| 1360 | int w = (sz.x - (ncols - 1) * m_hgap) / ncols; |
| 1361 | int h = (sz.y - (nrows - 1) * m_vgap) / nrows; |
| 1362 | |
| 1363 | int x = pt.x; |
| 1364 | for (int c = 0; c < ncols; c++) |
| 1365 | { |
| 1366 | int y = pt.y; |
| 1367 | for (int r = 0; r < nrows; r++) |
| 1368 | { |
| 1369 | int i = r * ncols + c; |
| 1370 | if (i < nitems) |
| 1371 | { |
| 1372 | wxSizerItemList::compatibility_iterator node = m_children.Item( i ); |
| 1373 | |
| 1374 | wxASSERT_MSG( node, _T("Failed to find SizerItemList node") ); |
| 1375 | |
| 1376 | SetItemBounds( node->GetData(), x, y, w, h); |
| 1377 | } |
| 1378 | y = y + h + m_vgap; |
| 1379 | } |
| 1380 | x = x + w + m_hgap; |
| 1381 | } |
| 1382 | } |
| 1383 | |
| 1384 | wxSize wxGridSizer::CalcMin() |
| 1385 | { |
| 1386 | int nrows, ncols; |
| 1387 | if ( CalcRowsCols(nrows, ncols) == 0 ) |
| 1388 | return wxSize(); |
| 1389 | |
| 1390 | // Find the max width and height for any component |
| 1391 | int w = 0; |
| 1392 | int h = 0; |
| 1393 | |
| 1394 | wxSizerItemList::compatibility_iterator node = m_children.GetFirst(); |
| 1395 | while (node) |
| 1396 | { |
| 1397 | wxSizerItem *item = node->GetData(); |
| 1398 | wxSize sz( item->CalcMin() ); |
| 1399 | |
| 1400 | w = wxMax( w, sz.x ); |
| 1401 | h = wxMax( h, sz.y ); |
| 1402 | |
| 1403 | node = node->GetNext(); |
| 1404 | } |
| 1405 | |
| 1406 | // In case we have a nested sizer with a two step algo , give it |
| 1407 | // a chance to adjust to that (we give it width component) |
| 1408 | node = m_children.GetFirst(); |
| 1409 | bool didChangeMinSize = false; |
| 1410 | while (node) |
| 1411 | { |
| 1412 | wxSizerItem *item = node->GetData(); |
| 1413 | didChangeMinSize |= item->InformFirstDirection( wxHORIZONTAL, w, -1 ); |
| 1414 | |
| 1415 | node = node->GetNext(); |
| 1416 | } |
| 1417 | |
| 1418 | // And redo iteration in case min size changed |
| 1419 | if( didChangeMinSize ) |
| 1420 | { |
| 1421 | node = m_children.GetFirst(); |
| 1422 | w = h = 0; |
| 1423 | while (node) |
| 1424 | { |
| 1425 | wxSizerItem *item = node->GetData(); |
| 1426 | wxSize sz( item->GetMinSizeWithBorder() ); |
| 1427 | |
| 1428 | w = wxMax( w, sz.x ); |
| 1429 | h = wxMax( h, sz.y ); |
| 1430 | |
| 1431 | node = node->GetNext(); |
| 1432 | } |
| 1433 | } |
| 1434 | |
| 1435 | return wxSize( ncols * w + (ncols-1) * m_hgap, |
| 1436 | nrows * h + (nrows-1) * m_vgap ); |
| 1437 | } |
| 1438 | |
| 1439 | void wxGridSizer::SetItemBounds( wxSizerItem *item, int x, int y, int w, int h ) |
| 1440 | { |
| 1441 | wxPoint pt( x,y ); |
| 1442 | wxSize sz( item->GetMinSizeWithBorder() ); |
| 1443 | int flag = item->GetFlag(); |
| 1444 | |
| 1445 | if ((flag & wxEXPAND) || (flag & wxSHAPED)) |
| 1446 | { |
| 1447 | sz = wxSize(w, h); |
| 1448 | } |
| 1449 | else |
| 1450 | { |
| 1451 | if (flag & wxALIGN_CENTER_HORIZONTAL) |
| 1452 | { |
| 1453 | pt.x = x + (w - sz.x) / 2; |
| 1454 | } |
| 1455 | else if (flag & wxALIGN_RIGHT) |
| 1456 | { |
| 1457 | pt.x = x + (w - sz.x); |
| 1458 | } |
| 1459 | |
| 1460 | if (flag & wxALIGN_CENTER_VERTICAL) |
| 1461 | { |
| 1462 | pt.y = y + (h - sz.y) / 2; |
| 1463 | } |
| 1464 | else if (flag & wxALIGN_BOTTOM) |
| 1465 | { |
| 1466 | pt.y = y + (h - sz.y); |
| 1467 | } |
| 1468 | } |
| 1469 | |
| 1470 | item->SetDimension(pt, sz); |
| 1471 | } |
| 1472 | |
| 1473 | //--------------------------------------------------------------------------- |
| 1474 | // wxFlexGridSizer |
| 1475 | //--------------------------------------------------------------------------- |
| 1476 | |
| 1477 | wxFlexGridSizer::wxFlexGridSizer( int rows, int cols, int vgap, int hgap ) |
| 1478 | : wxGridSizer( rows, cols, vgap, hgap ), |
| 1479 | m_flexDirection(wxBOTH), |
| 1480 | m_growMode(wxFLEX_GROWMODE_SPECIFIED) |
| 1481 | { |
| 1482 | } |
| 1483 | |
| 1484 | wxFlexGridSizer::wxFlexGridSizer( int cols, int vgap, int hgap ) |
| 1485 | : wxGridSizer( cols, vgap, hgap ), |
| 1486 | m_flexDirection(wxBOTH), |
| 1487 | m_growMode(wxFLEX_GROWMODE_SPECIFIED) |
| 1488 | { |
| 1489 | } |
| 1490 | |
| 1491 | wxFlexGridSizer::~wxFlexGridSizer() |
| 1492 | { |
| 1493 | } |
| 1494 | |
| 1495 | void wxFlexGridSizer::RecalcSizes() |
| 1496 | { |
| 1497 | int nrows, ncols; |
| 1498 | if ( !CalcRowsCols(nrows, ncols) ) |
| 1499 | return; |
| 1500 | |
| 1501 | const wxPoint pt(GetPosition()); |
| 1502 | const wxSize sz(GetSize()); |
| 1503 | |
| 1504 | AdjustForGrowables(sz); |
| 1505 | |
| 1506 | wxSizerItemList::const_iterator i = m_children.begin(); |
| 1507 | const wxSizerItemList::const_iterator end = m_children.end(); |
| 1508 | |
| 1509 | int y = 0; |
| 1510 | for ( int r = 0; r < nrows; r++ ) |
| 1511 | { |
| 1512 | if ( m_rowHeights[r] == -1 ) |
| 1513 | { |
| 1514 | // this row is entirely hidden, skip it |
| 1515 | for ( int c = 0; c < ncols; c++ ) |
| 1516 | { |
| 1517 | if ( i == end ) |
| 1518 | return; |
| 1519 | |
| 1520 | ++i; |
| 1521 | } |
| 1522 | |
| 1523 | continue; |
| 1524 | } |
| 1525 | |
| 1526 | const int hrow = m_rowHeights[r]; |
| 1527 | int h = sz.y - y; // max remaining height, don't overflow it |
| 1528 | if ( hrow < h ) |
| 1529 | h = hrow; |
| 1530 | |
| 1531 | int x = 0; |
| 1532 | for ( int c = 0; c < ncols && i != end; c++, ++i ) |
| 1533 | { |
| 1534 | const int wcol = m_colWidths[c]; |
| 1535 | |
| 1536 | if ( wcol == -1 ) |
| 1537 | continue; |
| 1538 | |
| 1539 | int w = sz.x - x; // max possible value, ensure we don't overflow |
| 1540 | if ( wcol < w ) |
| 1541 | w = wcol; |
| 1542 | |
| 1543 | SetItemBounds(*i, pt.x + x, pt.y + y, w, h); |
| 1544 | |
| 1545 | x += wcol + m_hgap; |
| 1546 | } |
| 1547 | |
| 1548 | if ( i == end ) |
| 1549 | return; |
| 1550 | |
| 1551 | y += hrow + m_vgap; |
| 1552 | } |
| 1553 | } |
| 1554 | |
| 1555 | // helper function used in CalcMin() to sum up the sizes of non-hidden items |
| 1556 | static int SumArraySizes(const wxArrayInt& sizes, int gap) |
| 1557 | { |
| 1558 | // Sum total minimum size, including gaps between rows/columns. |
| 1559 | // -1 is used as a magic number meaning empty row/column. |
| 1560 | int total = 0; |
| 1561 | |
| 1562 | const size_t count = sizes.size(); |
| 1563 | for ( size_t n = 0; n < count; n++ ) |
| 1564 | { |
| 1565 | if ( sizes[n] != -1 ) |
| 1566 | { |
| 1567 | if ( total ) |
| 1568 | total += gap; // separate from the previous column |
| 1569 | |
| 1570 | total += sizes[n]; |
| 1571 | } |
| 1572 | } |
| 1573 | |
| 1574 | return total; |
| 1575 | } |
| 1576 | |
| 1577 | void wxFlexGridSizer::FindWidthsAndHeights(int nrows, int ncols) |
| 1578 | { |
| 1579 | // We have to recalculate the sizes in case the item minimum size has |
| 1580 | // changed since the previous layout, or the item has been hidden using |
| 1581 | // wxSizer::Show(). If all the items in a row/column are hidden, the final |
| 1582 | // dimension of the row/column will be -1, indicating that the column |
| 1583 | // itself is hidden. |
| 1584 | m_rowHeights.assign(nrows, -1); |
| 1585 | m_colWidths.assign(ncols, -1); |
| 1586 | |
| 1587 | // n is the index of the item in left-to-right top-to-bottom order |
| 1588 | size_t n = 0; |
| 1589 | for ( wxSizerItemList::iterator i = m_children.begin(); |
| 1590 | i != m_children.end(); |
| 1591 | ++i, ++n ) |
| 1592 | { |
| 1593 | wxSizerItem * const item = *i; |
| 1594 | if ( item->IsShown() ) |
| 1595 | { |
| 1596 | // NOTE: Not doing the calculation here, this is just |
| 1597 | // for finding max values. |
| 1598 | const wxSize sz(item->GetMinSizeWithBorder()); |
| 1599 | |
| 1600 | const int row = n / ncols; |
| 1601 | const int col = n % ncols; |
| 1602 | |
| 1603 | if ( sz.y > m_rowHeights[row] ) |
| 1604 | m_rowHeights[row] = sz.y; |
| 1605 | if ( sz.x > m_colWidths[col] ) |
| 1606 | m_colWidths[col] = sz.x; |
| 1607 | } |
| 1608 | } |
| 1609 | |
| 1610 | AdjustForFlexDirection(); |
| 1611 | |
| 1612 | m_calculatedMinSize = wxSize(SumArraySizes(m_colWidths, m_hgap), |
| 1613 | SumArraySizes(m_rowHeights, m_vgap)); |
| 1614 | } |
| 1615 | |
| 1616 | wxSize wxFlexGridSizer::CalcMin() |
| 1617 | { |
| 1618 | int nrows, |
| 1619 | ncols; |
| 1620 | |
| 1621 | // Number of rows/columns can change as items are added or removed. |
| 1622 | if ( !CalcRowsCols(nrows, ncols) ) |
| 1623 | return wxSize(); |
| 1624 | |
| 1625 | |
| 1626 | // We have to recalculate the sizes in case the item minimum size has |
| 1627 | // changed since the previous layout, or the item has been hidden using |
| 1628 | // wxSizer::Show(). If all the items in a row/column are hidden, the final |
| 1629 | // dimension of the row/column will be -1, indicating that the column |
| 1630 | // itself is hidden. |
| 1631 | m_rowHeights.assign(nrows, -1); |
| 1632 | m_colWidths.assign(ncols, -1); |
| 1633 | |
| 1634 | // n is the index of the item in left-to-right top-to-bottom order |
| 1635 | size_t n = 0; |
| 1636 | for ( wxSizerItemList::iterator i = m_children.begin(); |
| 1637 | i != m_children.end(); |
| 1638 | ++i, ++n ) |
| 1639 | { |
| 1640 | wxSizerItem * const item = *i; |
| 1641 | if ( item->IsShown() ) |
| 1642 | { |
| 1643 | item->CalcMin(); |
| 1644 | } |
| 1645 | } |
| 1646 | |
| 1647 | // The stage of looking for max values in each row/column has been |
| 1648 | // made a separate function, since it's reused in AdjustForGrowables. |
| 1649 | FindWidthsAndHeights(nrows,ncols); |
| 1650 | |
| 1651 | return m_calculatedMinSize; |
| 1652 | } |
| 1653 | |
| 1654 | void wxFlexGridSizer::AdjustForFlexDirection() |
| 1655 | { |
| 1656 | // the logic in CalcMin works when we resize flexibly in both directions |
| 1657 | // but maybe this is not the case |
| 1658 | if ( m_flexDirection != wxBOTH ) |
| 1659 | { |
| 1660 | // select the array corresponding to the direction in which we do *not* |
| 1661 | // resize flexibly |
| 1662 | wxArrayInt& array = m_flexDirection == wxVERTICAL ? m_colWidths |
| 1663 | : m_rowHeights; |
| 1664 | |
| 1665 | const size_t count = array.GetCount(); |
| 1666 | |
| 1667 | // find the largest value in this array |
| 1668 | size_t n; |
| 1669 | int largest = 0; |
| 1670 | |
| 1671 | for ( n = 0; n < count; ++n ) |
| 1672 | { |
| 1673 | if ( array[n] > largest ) |
| 1674 | largest = array[n]; |
| 1675 | } |
| 1676 | |
| 1677 | // and now fill it with the largest value |
| 1678 | for ( n = 0; n < count; ++n ) |
| 1679 | { |
| 1680 | // don't touch hidden rows |
| 1681 | if ( array[n] != -1 ) |
| 1682 | array[n] = largest; |
| 1683 | } |
| 1684 | } |
| 1685 | } |
| 1686 | |
| 1687 | // helper of AdjustForGrowables() which is called for rows/columns separately |
| 1688 | // |
| 1689 | // parameters: |
| 1690 | // delta: the extra space, we do nothing unless it's positive |
| 1691 | // growable: indices or growable rows/cols in sizes array |
| 1692 | // sizes: the height/widths of rows/cols to adjust |
| 1693 | // proportions: proportions of the growable rows/cols or NULL if they all |
| 1694 | // should be assumed to have proportion of 1 |
| 1695 | static void |
| 1696 | DoAdjustForGrowables(int delta, |
| 1697 | const wxArrayInt& growable, |
| 1698 | wxArrayInt& sizes, |
| 1699 | const wxArrayInt *proportions) |
| 1700 | { |
| 1701 | if ( delta <= 0 ) |
| 1702 | return; |
| 1703 | |
| 1704 | // total sum of proportions of all non-hidden rows |
| 1705 | int sum_proportions = 0; |
| 1706 | |
| 1707 | // number of currently shown growable rows |
| 1708 | int num = 0; |
| 1709 | |
| 1710 | const int max_idx = sizes.size(); |
| 1711 | |
| 1712 | const size_t count = growable.size(); |
| 1713 | size_t idx; |
| 1714 | for ( idx = 0; idx < count; idx++ ) |
| 1715 | { |
| 1716 | // Since the number of rows/columns can change as items are |
| 1717 | // inserted/deleted, we need to verify at runtime that the |
| 1718 | // requested growable rows/columns are still valid. |
| 1719 | if ( growable[idx] >= max_idx ) |
| 1720 | continue; |
| 1721 | |
| 1722 | // If all items in a row/column are hidden, that row/column will |
| 1723 | // have a dimension of -1. This causes the row/column to be |
| 1724 | // hidden completely. |
| 1725 | if ( sizes[growable[idx]] == -1 ) |
| 1726 | continue; |
| 1727 | |
| 1728 | if ( proportions ) |
| 1729 | sum_proportions += (*proportions)[idx]; |
| 1730 | |
| 1731 | num++; |
| 1732 | } |
| 1733 | |
| 1734 | if ( !num ) |
| 1735 | return; |
| 1736 | |
| 1737 | // the remaining extra free space, adjusted during each iteration |
| 1738 | for ( idx = 0; idx < count; idx++ ) |
| 1739 | { |
| 1740 | if ( growable[idx] >= max_idx ) |
| 1741 | continue; |
| 1742 | |
| 1743 | if ( sizes[ growable[idx] ] == -1 ) |
| 1744 | continue; |
| 1745 | |
| 1746 | int cur_delta; |
| 1747 | if ( sum_proportions == 0 ) |
| 1748 | { |
| 1749 | // no growable rows -- divide extra space evenly among all |
| 1750 | cur_delta = delta/num; |
| 1751 | num--; |
| 1752 | } |
| 1753 | else // allocate extra space proportionally |
| 1754 | { |
| 1755 | const int cur_prop = (*proportions)[idx]; |
| 1756 | cur_delta = (delta*cur_prop)/sum_proportions; |
| 1757 | sum_proportions -= cur_prop; |
| 1758 | } |
| 1759 | |
| 1760 | sizes[growable[idx]] += cur_delta; |
| 1761 | delta -= cur_delta; |
| 1762 | } |
| 1763 | } |
| 1764 | |
| 1765 | void wxFlexGridSizer::AdjustForGrowables(const wxSize& sz) |
| 1766 | { |
| 1767 | if ( (m_flexDirection & wxHORIZONTAL) || (m_growMode != wxFLEX_GROWMODE_NONE) ) |
| 1768 | { |
| 1769 | DoAdjustForGrowables |
| 1770 | ( |
| 1771 | sz.x - m_calculatedMinSize.x, |
| 1772 | m_growableCols, |
| 1773 | m_colWidths, |
| 1774 | m_growMode == wxFLEX_GROWMODE_SPECIFIED ? &m_growableColsProportions |
| 1775 | : NULL |
| 1776 | ); |
| 1777 | |
| 1778 | // This gives nested objects that benefit from knowing one size |
| 1779 | // component in advance the chance to use that. |
| 1780 | bool didAdjustMinSize = false; |
| 1781 | int nrows, ncols; |
| 1782 | CalcRowsCols(nrows, ncols); |
| 1783 | |
| 1784 | // Iterate over all items and inform about column width |
| 1785 | size_t n = 0; |
| 1786 | for ( wxSizerItemList::iterator i = m_children.begin(); |
| 1787 | i != m_children.end(); |
| 1788 | ++i, ++n ) |
| 1789 | { |
| 1790 | const int col = n % ncols; |
| 1791 | didAdjustMinSize |= (*i)->InformFirstDirection(wxHORIZONTAL, m_colWidths[col], sz.y - m_calculatedMinSize.y); |
| 1792 | } |
| 1793 | |
| 1794 | // Only redo if info was actually used |
| 1795 | if( didAdjustMinSize ) |
| 1796 | { |
| 1797 | DoAdjustForGrowables |
| 1798 | ( |
| 1799 | sz.x - m_calculatedMinSize.x, |
| 1800 | m_growableCols, |
| 1801 | m_colWidths, |
| 1802 | m_growMode == wxFLEX_GROWMODE_SPECIFIED ? &m_growableColsProportions |
| 1803 | : NULL |
| 1804 | ); |
| 1805 | } |
| 1806 | } |
| 1807 | |
| 1808 | if ( (m_flexDirection & wxVERTICAL) || (m_growMode != wxFLEX_GROWMODE_NONE) ) |
| 1809 | { |
| 1810 | // pass NULL instead of proportions if the grow mode is ALL as we |
| 1811 | // should treat all rows as having proportion of 1 then |
| 1812 | DoAdjustForGrowables |
| 1813 | ( |
| 1814 | sz.y - m_calculatedMinSize.y, |
| 1815 | m_growableRows, |
| 1816 | m_rowHeights, |
| 1817 | m_growMode == wxFLEX_GROWMODE_SPECIFIED ? &m_growableRowsProportions |
| 1818 | : NULL |
| 1819 | ); |
| 1820 | } |
| 1821 | } |
| 1822 | |
| 1823 | bool wxFlexGridSizer::IsRowGrowable( size_t idx ) |
| 1824 | { |
| 1825 | return m_growableRows.Index( idx ) != wxNOT_FOUND; |
| 1826 | } |
| 1827 | |
| 1828 | bool wxFlexGridSizer::IsColGrowable( size_t idx ) |
| 1829 | { |
| 1830 | return m_growableCols.Index( idx ) != wxNOT_FOUND; |
| 1831 | } |
| 1832 | |
| 1833 | void wxFlexGridSizer::AddGrowableRow( size_t idx, int proportion ) |
| 1834 | { |
| 1835 | wxASSERT_MSG( !IsRowGrowable( idx ), |
| 1836 | "AddGrowableRow() called for growable row" ); |
| 1837 | m_growableRows.Add( idx ); |
| 1838 | m_growableRowsProportions.Add( proportion ); |
| 1839 | } |
| 1840 | |
| 1841 | void wxFlexGridSizer::AddGrowableCol( size_t idx, int proportion ) |
| 1842 | { |
| 1843 | wxASSERT_MSG( !IsColGrowable( idx ), |
| 1844 | "AddGrowableCol() called for growable column" ); |
| 1845 | m_growableCols.Add( idx ); |
| 1846 | m_growableColsProportions.Add( proportion ); |
| 1847 | } |
| 1848 | |
| 1849 | // helper function for RemoveGrowableCol/Row() |
| 1850 | static void |
| 1851 | DoRemoveFromArrays(size_t idx, wxArrayInt& items, wxArrayInt& proportions) |
| 1852 | { |
| 1853 | const size_t count = items.size(); |
| 1854 | for ( size_t n = 0; n < count; n++ ) |
| 1855 | { |
| 1856 | if ( (size_t)items[n] == idx ) |
| 1857 | { |
| 1858 | items.RemoveAt(n); |
| 1859 | proportions.RemoveAt(n); |
| 1860 | return; |
| 1861 | } |
| 1862 | } |
| 1863 | |
| 1864 | wxFAIL_MSG( _T("column/row is already not growable") ); |
| 1865 | } |
| 1866 | |
| 1867 | void wxFlexGridSizer::RemoveGrowableCol( size_t idx ) |
| 1868 | { |
| 1869 | DoRemoveFromArrays(idx, m_growableCols, m_growableColsProportions); |
| 1870 | } |
| 1871 | |
| 1872 | void wxFlexGridSizer::RemoveGrowableRow( size_t idx ) |
| 1873 | { |
| 1874 | DoRemoveFromArrays(idx, m_growableRows, m_growableRowsProportions); |
| 1875 | } |
| 1876 | |
| 1877 | //--------------------------------------------------------------------------- |
| 1878 | // wxBoxSizer |
| 1879 | //--------------------------------------------------------------------------- |
| 1880 | |
| 1881 | void wxBoxSizer::RecalcSizes() |
| 1882 | { |
| 1883 | if ( m_children.empty() ) |
| 1884 | return; |
| 1885 | |
| 1886 | const wxCoord totalMinorSize = GetSizeInMinorDir(m_size); |
| 1887 | |
| 1888 | // the amount of free space which we should redistribute among the |
| 1889 | // stretchable items (i.e. those with non zero proportion) |
| 1890 | int delta = GetSizeInMajorDir(m_size) - GetSizeInMajorDir(m_minSize); |
| 1891 | |
| 1892 | |
| 1893 | // Inform child items about the size in minor direction, that can |
| 1894 | // change how much free space we have in major dir and how to distribute it. |
| 1895 | int majorMinSum = 0; |
| 1896 | wxSizerItemList::const_iterator i ; |
| 1897 | for ( i = m_children.begin(); |
| 1898 | i != m_children.end(); |
| 1899 | ++i ) |
| 1900 | { |
| 1901 | wxSizerItem * const item = *i; |
| 1902 | |
| 1903 | if ( !item->IsShown() ) |
| 1904 | continue; |
| 1905 | |
| 1906 | wxSize szMinPrev = item->GetMinSizeWithBorder(); |
| 1907 | item->InformFirstDirection(m_orient^wxBOTH,totalMinorSize,delta); |
| 1908 | wxSize szMin = item->GetMinSizeWithBorder(); |
| 1909 | int deltaChange = GetSizeInMajorDir(szMin-szMinPrev); |
| 1910 | if( deltaChange ) |
| 1911 | { |
| 1912 | // Since we passed available space along to the item, it should not |
| 1913 | // take too much, so delta should not become negative. |
| 1914 | delta -= deltaChange; |
| 1915 | } |
| 1916 | majorMinSum += GetSizeInMajorDir(item->GetMinSizeWithBorder()); |
| 1917 | } |
| 1918 | // And update our min size |
| 1919 | SizeInMajorDir(m_minSize) = majorMinSum; |
| 1920 | |
| 1921 | |
| 1922 | // might have a new delta now |
| 1923 | delta = GetSizeInMajorDir(m_size) - GetSizeInMajorDir(m_minSize); |
| 1924 | |
| 1925 | // the position at which we put the next child |
| 1926 | wxPoint pt(m_position); |
| 1927 | |
| 1928 | int totalProportion = m_totalProportion; |
| 1929 | for ( i = m_children.begin(); |
| 1930 | i != m_children.end(); |
| 1931 | ++i ) |
| 1932 | { |
| 1933 | wxSizerItem * const item = *i; |
| 1934 | |
| 1935 | if ( !item->IsShown() ) |
| 1936 | continue; |
| 1937 | |
| 1938 | const wxSize sizeThis(item->GetMinSizeWithBorder()); |
| 1939 | |
| 1940 | // adjust the size in the major direction using the proportion |
| 1941 | wxCoord majorSize = GetSizeInMajorDir(sizeThis); |
| 1942 | |
| 1943 | // if there is not enough space, don't try to distribute negative space |
| 1944 | // among the children, this would result in overlapping windows which |
| 1945 | // we don't want |
| 1946 | if ( delta > 0 ) |
| 1947 | { |
| 1948 | const int propItem = item->GetProportion(); |
| 1949 | if ( propItem ) |
| 1950 | { |
| 1951 | const int deltaItem = (delta * propItem) / totalProportion; |
| 1952 | |
| 1953 | majorSize += deltaItem; |
| 1954 | |
| 1955 | delta -= deltaItem; |
| 1956 | totalProportion -= propItem; |
| 1957 | } |
| 1958 | } |
| 1959 | |
| 1960 | |
| 1961 | // apply the alignment in the minor direction |
| 1962 | wxPoint posChild(pt); |
| 1963 | |
| 1964 | wxCoord minorSize = GetSizeInMinorDir(sizeThis); |
| 1965 | const int flag = item->GetFlag(); |
| 1966 | if ( flag & (wxEXPAND | wxSHAPED) ) |
| 1967 | { |
| 1968 | minorSize = totalMinorSize; |
| 1969 | } |
| 1970 | else if ( flag & (IsVertical() ? wxALIGN_RIGHT : wxALIGN_BOTTOM) ) |
| 1971 | { |
| 1972 | PosInMinorDir(posChild) += totalMinorSize - minorSize; |
| 1973 | } |
| 1974 | // NB: wxCENTRE is used here only for backwards compatibility, |
| 1975 | // wxALIGN_CENTRE should be used in new code |
| 1976 | else if ( flag & (wxCENTER | wxALIGN_CENTRE) ) |
| 1977 | { |
| 1978 | PosInMinorDir(posChild) += (totalMinorSize - minorSize) / 2; |
| 1979 | } |
| 1980 | |
| 1981 | |
| 1982 | // apply RTL adjustment for horizontal sizers: |
| 1983 | if ( !IsVertical() && m_containingWindow ) |
| 1984 | { |
| 1985 | posChild.x = m_containingWindow->AdjustForLayoutDirection |
| 1986 | ( |
| 1987 | posChild.x, |
| 1988 | majorSize, |
| 1989 | m_size.x |
| 1990 | ); |
| 1991 | } |
| 1992 | |
| 1993 | // finally set size of this child and advance to the next one |
| 1994 | item->SetDimension(posChild, SizeFromMajorMinor(majorSize, minorSize)); |
| 1995 | |
| 1996 | PosInMajorDir(pt) += majorSize; |
| 1997 | } |
| 1998 | } |
| 1999 | |
| 2000 | wxSize wxBoxSizer::CalcMin() |
| 2001 | { |
| 2002 | m_totalProportion = 0; |
| 2003 | m_minSize = wxSize(0, 0); |
| 2004 | |
| 2005 | // calculate the minimal sizes for all items and count sum of proportions |
| 2006 | for ( wxSizerItemList::const_iterator i = m_children.begin(); |
| 2007 | i != m_children.end(); |
| 2008 | ++i ) |
| 2009 | { |
| 2010 | wxSizerItem * const item = *i; |
| 2011 | |
| 2012 | if ( !item->IsShown() ) |
| 2013 | continue; |
| 2014 | |
| 2015 | const wxSize sizeMinThis = item->CalcMin(); |
| 2016 | SizeInMajorDir(m_minSize) += GetSizeInMajorDir(sizeMinThis); |
| 2017 | if ( GetSizeInMinorDir(sizeMinThis) > GetSizeInMinorDir(m_minSize) ) |
| 2018 | SizeInMinorDir(m_minSize) = GetSizeInMinorDir(sizeMinThis); |
| 2019 | |
| 2020 | m_totalProportion += item->GetProportion(); |
| 2021 | } |
| 2022 | |
| 2023 | return m_minSize; |
| 2024 | } |
| 2025 | |
| 2026 | //--------------------------------------------------------------------------- |
| 2027 | // wxStaticBoxSizer |
| 2028 | //--------------------------------------------------------------------------- |
| 2029 | |
| 2030 | #if wxUSE_STATBOX |
| 2031 | |
| 2032 | wxStaticBoxSizer::wxStaticBoxSizer( wxStaticBox *box, int orient ) |
| 2033 | : wxBoxSizer( orient ), |
| 2034 | m_staticBox( box ) |
| 2035 | { |
| 2036 | wxASSERT_MSG( box, wxT("wxStaticBoxSizer needs a static box") ); |
| 2037 | |
| 2038 | // do this so that our Detach() is called if the static box is destroyed |
| 2039 | // before we are |
| 2040 | m_staticBox->SetContainingSizer(this); |
| 2041 | } |
| 2042 | |
| 2043 | wxStaticBoxSizer::wxStaticBoxSizer(int orient, wxWindow *win, const wxString& s) |
| 2044 | : wxBoxSizer(orient), |
| 2045 | m_staticBox(new wxStaticBox(win, wxID_ANY, s)) |
| 2046 | { |
| 2047 | // same as above |
| 2048 | m_staticBox->SetContainingSizer(this); |
| 2049 | } |
| 2050 | |
| 2051 | wxStaticBoxSizer::~wxStaticBoxSizer() |
| 2052 | { |
| 2053 | delete m_staticBox; |
| 2054 | } |
| 2055 | |
| 2056 | static void GetStaticBoxBorders( wxStaticBox *box, |
| 2057 | int *borderTop, |
| 2058 | int *borderOther) |
| 2059 | { |
| 2060 | // this has to be done platform by platform as there is no way to |
| 2061 | // guess the thickness of a wxStaticBox border |
| 2062 | box->GetBordersForSizer(borderTop, borderOther); |
| 2063 | } |
| 2064 | |
| 2065 | void wxStaticBoxSizer::RecalcSizes() |
| 2066 | { |
| 2067 | int top_border, other_border; |
| 2068 | GetStaticBoxBorders(m_staticBox, &top_border, &other_border); |
| 2069 | |
| 2070 | m_staticBox->SetSize( m_position.x, m_position.y, m_size.x, m_size.y ); |
| 2071 | |
| 2072 | wxPoint old_pos( m_position ); |
| 2073 | m_position.x += other_border; |
| 2074 | m_position.y += top_border; |
| 2075 | wxSize old_size( m_size ); |
| 2076 | m_size.x -= 2*other_border; |
| 2077 | m_size.y -= top_border + other_border; |
| 2078 | |
| 2079 | wxBoxSizer::RecalcSizes(); |
| 2080 | |
| 2081 | m_position = old_pos; |
| 2082 | m_size = old_size; |
| 2083 | } |
| 2084 | |
| 2085 | wxSize wxStaticBoxSizer::CalcMin() |
| 2086 | { |
| 2087 | int top_border, other_border; |
| 2088 | GetStaticBoxBorders(m_staticBox, &top_border, &other_border); |
| 2089 | |
| 2090 | wxSize ret( wxBoxSizer::CalcMin() ); |
| 2091 | ret.x += 2*other_border; |
| 2092 | ret.y += other_border + top_border; |
| 2093 | |
| 2094 | return ret; |
| 2095 | } |
| 2096 | |
| 2097 | void wxStaticBoxSizer::ShowItems( bool show ) |
| 2098 | { |
| 2099 | m_staticBox->Show( show ); |
| 2100 | wxBoxSizer::ShowItems( show ); |
| 2101 | } |
| 2102 | |
| 2103 | bool wxStaticBoxSizer::Detach( wxWindow *window ) |
| 2104 | { |
| 2105 | // avoid deleting m_staticBox in our dtor if it's being detached from the |
| 2106 | // sizer (which can happen because it's being already destroyed for |
| 2107 | // example) |
| 2108 | if ( window == m_staticBox ) |
| 2109 | { |
| 2110 | m_staticBox = NULL; |
| 2111 | return true; |
| 2112 | } |
| 2113 | |
| 2114 | return wxSizer::Detach( window ); |
| 2115 | } |
| 2116 | |
| 2117 | #endif // wxUSE_STATBOX |
| 2118 | |
| 2119 | #if wxUSE_BUTTON |
| 2120 | |
| 2121 | wxStdDialogButtonSizer::wxStdDialogButtonSizer() |
| 2122 | : wxBoxSizer(wxHORIZONTAL) |
| 2123 | { |
| 2124 | // Vertical buttons with lots of space on either side |
| 2125 | // looks rubbish on WinCE, so let's not do this for now. |
| 2126 | // If we are going to use vertical buttons, we should |
| 2127 | // put the sizer to the right of other controls in the dialog, |
| 2128 | // and that's beyond the scope of this sizer. |
| 2129 | #ifndef __WXWINCE__ |
| 2130 | bool is_pda = (wxSystemSettings::GetScreenType() <= wxSYS_SCREEN_PDA); |
| 2131 | // If we have a PDA screen, put yes/no button over |
| 2132 | // all other buttons, otherwise on the left side. |
| 2133 | if (is_pda) |
| 2134 | m_orient = wxVERTICAL; |
| 2135 | #endif |
| 2136 | |
| 2137 | m_buttonAffirmative = NULL; |
| 2138 | m_buttonApply = NULL; |
| 2139 | m_buttonNegative = NULL; |
| 2140 | m_buttonCancel = NULL; |
| 2141 | m_buttonHelp = NULL; |
| 2142 | } |
| 2143 | |
| 2144 | void wxStdDialogButtonSizer::AddButton(wxButton *mybutton) |
| 2145 | { |
| 2146 | switch (mybutton->GetId()) |
| 2147 | { |
| 2148 | case wxID_OK: |
| 2149 | case wxID_YES: |
| 2150 | case wxID_SAVE: |
| 2151 | m_buttonAffirmative = mybutton; |
| 2152 | break; |
| 2153 | case wxID_APPLY: |
| 2154 | m_buttonApply = mybutton; |
| 2155 | break; |
| 2156 | case wxID_NO: |
| 2157 | m_buttonNegative = mybutton; |
| 2158 | break; |
| 2159 | case wxID_CANCEL: |
| 2160 | case wxID_CLOSE: |
| 2161 | m_buttonCancel = mybutton; |
| 2162 | break; |
| 2163 | case wxID_HELP: |
| 2164 | case wxID_CONTEXT_HELP: |
| 2165 | m_buttonHelp = mybutton; |
| 2166 | break; |
| 2167 | default: |
| 2168 | break; |
| 2169 | } |
| 2170 | } |
| 2171 | |
| 2172 | void wxStdDialogButtonSizer::SetAffirmativeButton( wxButton *button ) |
| 2173 | { |
| 2174 | m_buttonAffirmative = button; |
| 2175 | } |
| 2176 | |
| 2177 | void wxStdDialogButtonSizer::SetNegativeButton( wxButton *button ) |
| 2178 | { |
| 2179 | m_buttonNegative = button; |
| 2180 | } |
| 2181 | |
| 2182 | void wxStdDialogButtonSizer::SetCancelButton( wxButton *button ) |
| 2183 | { |
| 2184 | m_buttonCancel = button; |
| 2185 | } |
| 2186 | |
| 2187 | void wxStdDialogButtonSizer::Realize() |
| 2188 | { |
| 2189 | #ifdef __WXMAC__ |
| 2190 | Add(0, 0, 0, wxLEFT, 6); |
| 2191 | if (m_buttonHelp) |
| 2192 | Add((wxWindow*)m_buttonHelp, 0, wxALIGN_CENTRE | wxLEFT | wxRIGHT, 6); |
| 2193 | |
| 2194 | if (m_buttonNegative){ |
| 2195 | // HIG POLICE BULLETIN - destructive buttons need extra padding |
| 2196 | // 24 pixels on either side |
| 2197 | Add((wxWindow*)m_buttonNegative, 0, wxALIGN_CENTRE | wxLEFT | wxRIGHT, 12); |
| 2198 | } |
| 2199 | |
| 2200 | // extra whitespace between help/negative and cancel/ok buttons |
| 2201 | Add(0, 0, 1, wxEXPAND, 0); |
| 2202 | |
| 2203 | if (m_buttonCancel){ |
| 2204 | Add((wxWindow*)m_buttonCancel, 0, wxALIGN_CENTRE | wxLEFT | wxRIGHT, 6); |
| 2205 | // Cancel or help should be default |
| 2206 | // m_buttonCancel->SetDefaultButton(); |
| 2207 | } |
| 2208 | |
| 2209 | // Ugh, Mac doesn't really have apply dialogs, so I'll just |
| 2210 | // figure the best place is between Cancel and OK |
| 2211 | if (m_buttonApply) |
| 2212 | Add((wxWindow*)m_buttonApply, 0, wxALIGN_CENTRE | wxLEFT | wxRIGHT, 6); |
| 2213 | |
| 2214 | if (m_buttonAffirmative){ |
| 2215 | Add((wxWindow*)m_buttonAffirmative, 0, wxALIGN_CENTRE | wxLEFT, 6); |
| 2216 | |
| 2217 | if (m_buttonAffirmative->GetId() == wxID_SAVE){ |
| 2218 | // these buttons have set labels under Mac so we should use them |
| 2219 | m_buttonAffirmative->SetLabel(_("Save")); |
| 2220 | if (m_buttonNegative) |
| 2221 | m_buttonNegative->SetLabel(_("Don't Save")); |
| 2222 | } |
| 2223 | } |
| 2224 | |
| 2225 | // Extra space around and at the right |
| 2226 | Add(12, 24); |
| 2227 | #elif defined(__WXGTK20__) |
| 2228 | Add(0, 0, 0, wxLEFT, 9); |
| 2229 | if (m_buttonHelp) |
| 2230 | Add((wxWindow*)m_buttonHelp, 0, wxALIGN_CENTRE | wxLEFT | wxRIGHT, 3); |
| 2231 | |
| 2232 | // extra whitespace between help and cancel/ok buttons |
| 2233 | Add(0, 0, 1, wxEXPAND, 0); |
| 2234 | |
| 2235 | if (m_buttonNegative){ |
| 2236 | Add((wxWindow*)m_buttonNegative, 0, wxALIGN_CENTRE | wxLEFT | wxRIGHT, 3); |
| 2237 | } |
| 2238 | |
| 2239 | // according to HIG, in explicit apply windows the order is: |
| 2240 | // [ Help Apply Cancel OK ] |
| 2241 | if (m_buttonApply) |
| 2242 | Add((wxWindow*)m_buttonApply, 0, wxALIGN_CENTRE | wxLEFT | wxRIGHT, 3); |
| 2243 | |
| 2244 | if (m_buttonCancel){ |
| 2245 | Add((wxWindow*)m_buttonCancel, 0, wxALIGN_CENTRE | wxLEFT | wxRIGHT, 3); |
| 2246 | // Cancel or help should be default |
| 2247 | // m_buttonCancel->SetDefaultButton(); |
| 2248 | } |
| 2249 | |
| 2250 | if (m_buttonAffirmative) |
| 2251 | Add((wxWindow*)m_buttonAffirmative, 0, wxALIGN_CENTRE | wxLEFT, 6); |
| 2252 | #elif defined(__WXMSW__) |
| 2253 | // Windows |
| 2254 | |
| 2255 | // right-justify buttons |
| 2256 | Add(0, 0, 1, wxEXPAND, 0); |
| 2257 | |
| 2258 | if (m_buttonAffirmative){ |
| 2259 | Add((wxWindow*)m_buttonAffirmative, 0, wxALIGN_CENTRE | wxLEFT | wxRIGHT, m_buttonAffirmative->ConvertDialogToPixels(wxSize(2, 0)).x); |
| 2260 | } |
| 2261 | |
| 2262 | if (m_buttonNegative){ |
| 2263 | Add((wxWindow*)m_buttonNegative, 0, wxALIGN_CENTRE | wxLEFT | wxRIGHT, m_buttonNegative->ConvertDialogToPixels(wxSize(2, 0)).x); |
| 2264 | } |
| 2265 | |
| 2266 | if (m_buttonCancel){ |
| 2267 | Add((wxWindow*)m_buttonCancel, 0, wxALIGN_CENTRE | wxLEFT | wxRIGHT, m_buttonCancel->ConvertDialogToPixels(wxSize(2, 0)).x); |
| 2268 | } |
| 2269 | if (m_buttonApply) |
| 2270 | Add((wxWindow*)m_buttonApply, 0, wxALIGN_CENTRE | wxLEFT | wxRIGHT, m_buttonApply->ConvertDialogToPixels(wxSize(2, 0)).x); |
| 2271 | |
| 2272 | if (m_buttonHelp) |
| 2273 | Add((wxWindow*)m_buttonHelp, 0, wxALIGN_CENTRE | wxLEFT | wxRIGHT, m_buttonHelp->ConvertDialogToPixels(wxSize(2, 0)).x); |
| 2274 | #else |
| 2275 | // GTK+1 and any other platform |
| 2276 | |
| 2277 | // Add(0, 0, 0, wxLEFT, 5); // Not sure what this was for but it unbalances the dialog |
| 2278 | if (m_buttonHelp) |
| 2279 | Add((wxWindow*)m_buttonHelp, 0, wxALIGN_CENTRE | wxLEFT | wxRIGHT, m_buttonHelp->ConvertDialogToPixels(wxSize(4, 0)).x); |
| 2280 | |
| 2281 | // extra whitespace between help and cancel/ok buttons |
| 2282 | Add(0, 0, 1, wxEXPAND, 0); |
| 2283 | |
| 2284 | if (m_buttonApply) |
| 2285 | Add((wxWindow*)m_buttonApply, 0, wxALIGN_CENTRE | wxLEFT | wxRIGHT, m_buttonApply->ConvertDialogToPixels(wxSize(4, 0)).x); |
| 2286 | |
| 2287 | if (m_buttonAffirmative){ |
| 2288 | Add((wxWindow*)m_buttonAffirmative, 0, wxALIGN_CENTRE | wxLEFT | wxRIGHT, m_buttonAffirmative->ConvertDialogToPixels(wxSize(4, 0)).x); |
| 2289 | } |
| 2290 | |
| 2291 | if (m_buttonNegative){ |
| 2292 | Add((wxWindow*)m_buttonNegative, 0, wxALIGN_CENTRE | wxLEFT | wxRIGHT, m_buttonNegative->ConvertDialogToPixels(wxSize(4, 0)).x); |
| 2293 | } |
| 2294 | |
| 2295 | if (m_buttonCancel){ |
| 2296 | Add((wxWindow*)m_buttonCancel, 0, wxALIGN_CENTRE | wxLEFT | wxRIGHT, m_buttonCancel->ConvertDialogToPixels(wxSize(4, 0)).x); |
| 2297 | // Cancel or help should be default |
| 2298 | // m_buttonCancel->SetDefaultButton(); |
| 2299 | } |
| 2300 | |
| 2301 | #endif |
| 2302 | } |
| 2303 | |
| 2304 | #endif // wxUSE_BUTTON |