| 1 | /////////////////////////////////////////////////////////////////////////////// |
| 2 | // Name: univ/window.cpp |
| 3 | // Purpose: implementation of extra wxWindow methods for wxUniv port |
| 4 | // Author: Vadim Zeitlin |
| 5 | // Modified by: |
| 6 | // Created: 06.08.00 |
| 7 | // RCS-ID: $Id$ |
| 8 | // Copyright: (c) 2000 SciTech Software, Inc. (www.scitechsoft.com) |
| 9 | // Licence: wxWindows licence |
| 10 | /////////////////////////////////////////////////////////////////////////////// |
| 11 | |
| 12 | // =========================================================================== |
| 13 | // declarations |
| 14 | // =========================================================================== |
| 15 | |
| 16 | // --------------------------------------------------------------------------- |
| 17 | // headers |
| 18 | // --------------------------------------------------------------------------- |
| 19 | |
| 20 | #if defined(__GNUG__) && !defined(NO_GCC_PRAGMA) |
| 21 | #pragma implementation "univwindow.h" |
| 22 | #endif |
| 23 | |
| 24 | // For compilers that support precompilation, includes "wx.h". |
| 25 | #include "wx/wxprec.h" |
| 26 | |
| 27 | #ifdef __BORLANDC__ |
| 28 | #pragma hdrstop |
| 29 | #endif |
| 30 | |
| 31 | #ifndef WX_PRECOMP |
| 32 | #include "wx/app.h" |
| 33 | #include "wx/window.h" |
| 34 | #include "wx/dcclient.h" |
| 35 | #include "wx/dcmemory.h" |
| 36 | #include "wx/event.h" |
| 37 | #include "wx/scrolbar.h" |
| 38 | #include "wx/menu.h" |
| 39 | #include "wx/frame.h" |
| 40 | #endif // WX_PRECOMP |
| 41 | |
| 42 | #include "wx/log.h" |
| 43 | #include "wx/univ/colschem.h" |
| 44 | #include "wx/univ/renderer.h" |
| 45 | #include "wx/univ/theme.h" |
| 46 | |
| 47 | #if wxUSE_CARET |
| 48 | #include "wx/caret.h" |
| 49 | #endif // wxUSE_CARET |
| 50 | |
| 51 | // turn Refresh() debugging on/off |
| 52 | #define WXDEBUG_REFRESH |
| 53 | |
| 54 | #ifndef __WXDEBUG__ |
| 55 | #undef WXDEBUG_REFRESH |
| 56 | #endif |
| 57 | |
| 58 | #if defined(WXDEBUG_REFRESH) && defined(__WXMSW__) && !defined(__WXMICROWIN__) |
| 59 | #include "wx/msw/private.h" |
| 60 | #endif |
| 61 | |
| 62 | // ============================================================================ |
| 63 | // implementation |
| 64 | // ============================================================================ |
| 65 | |
| 66 | // ---------------------------------------------------------------------------- |
| 67 | // event tables |
| 68 | // ---------------------------------------------------------------------------- |
| 69 | |
| 70 | // we can't use wxWindowNative here as it won't be expanded inside the macro |
| 71 | #if defined(__WXMSW__) |
| 72 | IMPLEMENT_DYNAMIC_CLASS(wxWindow, wxWindowMSW) |
| 73 | #elif defined(__WXGTK__) |
| 74 | IMPLEMENT_DYNAMIC_CLASS(wxWindow, wxWindowGTK) |
| 75 | #elif defined(__WXMGL__) |
| 76 | IMPLEMENT_DYNAMIC_CLASS(wxWindow, wxWindowMGL) |
| 77 | #elif defined(__WXX11__) |
| 78 | IMPLEMENT_DYNAMIC_CLASS(wxWindow, wxWindowX11) |
| 79 | #elif defined(__WXPM__) |
| 80 | IMPLEMENT_DYNAMIC_CLASS(wxWindow, wxWindowOS2) |
| 81 | #endif |
| 82 | |
| 83 | BEGIN_EVENT_TABLE(wxWindow, wxWindowNative) |
| 84 | EVT_SIZE(wxWindow::OnSize) |
| 85 | |
| 86 | #if wxUSE_ACCEL || wxUSE_MENUS |
| 87 | EVT_KEY_DOWN(wxWindow::OnKeyDown) |
| 88 | #endif // wxUSE_ACCEL |
| 89 | |
| 90 | #if wxUSE_MENUS |
| 91 | EVT_CHAR(wxWindow::OnChar) |
| 92 | EVT_KEY_UP(wxWindow::OnKeyUp) |
| 93 | #endif // wxUSE_MENUS |
| 94 | |
| 95 | EVT_PAINT(wxWindow::OnPaint) |
| 96 | EVT_NC_PAINT(wxWindow::OnNcPaint) |
| 97 | EVT_ERASE_BACKGROUND(wxWindow::OnErase) |
| 98 | END_EVENT_TABLE() |
| 99 | |
| 100 | // ---------------------------------------------------------------------------- |
| 101 | // creation |
| 102 | // ---------------------------------------------------------------------------- |
| 103 | |
| 104 | void wxWindow::Init() |
| 105 | { |
| 106 | m_scrollbarVert = |
| 107 | m_scrollbarHorz = (wxScrollBar *)NULL; |
| 108 | |
| 109 | m_isCurrent = FALSE; |
| 110 | |
| 111 | m_renderer = wxTheme::Get()->GetRenderer(); |
| 112 | |
| 113 | m_oldSize.x = -1; |
| 114 | m_oldSize.y = -1; |
| 115 | } |
| 116 | |
| 117 | bool wxWindow::Create(wxWindow *parent, |
| 118 | wxWindowID id, |
| 119 | const wxPoint& pos, |
| 120 | const wxSize& size, |
| 121 | long style, |
| 122 | const wxString& name) |
| 123 | { |
| 124 | long actualStyle = style; |
| 125 | |
| 126 | // FIXME: may need this on other platforms |
| 127 | #ifdef __WXMSW__ |
| 128 | actualStyle &= ~wxVSCROLL; |
| 129 | actualStyle &= ~wxHSCROLL; |
| 130 | #endif |
| 131 | |
| 132 | // we add wxCLIP_CHILDREN to get the same ("natural") behaviour under MSW |
| 133 | // as under the other platforms |
| 134 | if ( !wxWindowNative::Create(parent, id, pos, size, |
| 135 | actualStyle | wxCLIP_CHILDREN, |
| 136 | name) ) |
| 137 | { |
| 138 | return FALSE; |
| 139 | } |
| 140 | |
| 141 | // Set full style again, including those we didn't want present |
| 142 | // when calling the base window Create(). |
| 143 | wxWindowBase::SetWindowStyleFlag(style); |
| 144 | |
| 145 | // if we should always have a vertical scrollbar, do show it |
| 146 | if ( style & wxALWAYS_SHOW_SB ) |
| 147 | { |
| 148 | #if wxUSE_TWO_WINDOWS |
| 149 | SetInsertIntoMain( TRUE ); |
| 150 | #endif |
| 151 | m_scrollbarVert = new wxScrollBar(this, -1, |
| 152 | wxDefaultPosition, wxDefaultSize, |
| 153 | wxSB_VERTICAL); |
| 154 | #if wxUSE_TWO_WINDOWS |
| 155 | SetInsertIntoMain( FALSE ); |
| 156 | #endif |
| 157 | } |
| 158 | |
| 159 | // if we should always have a horizontal scrollbar, do show it |
| 160 | if ( style & wxHSCROLL ) |
| 161 | { |
| 162 | #if wxUSE_TWO_WINDOWS |
| 163 | SetInsertIntoMain( TRUE ); |
| 164 | #endif |
| 165 | m_scrollbarHorz = new wxScrollBar(this, -1, |
| 166 | wxDefaultPosition, wxDefaultSize, |
| 167 | wxSB_HORIZONTAL); |
| 168 | #if wxUSE_TWO_WINDOWS |
| 169 | SetInsertIntoMain( FALSE ); |
| 170 | #endif |
| 171 | } |
| 172 | |
| 173 | if (m_scrollbarHorz || m_scrollbarVert) |
| 174 | { |
| 175 | // position it/them |
| 176 | PositionScrollbars(); |
| 177 | } |
| 178 | |
| 179 | return TRUE; |
| 180 | } |
| 181 | |
| 182 | // ---------------------------------------------------------------------------- |
| 183 | // background pixmap |
| 184 | // ---------------------------------------------------------------------------- |
| 185 | |
| 186 | void wxWindow::SetBackground(const wxBitmap& bitmap, |
| 187 | int alignment, |
| 188 | wxStretch stretch) |
| 189 | { |
| 190 | m_bitmapBg = bitmap; |
| 191 | m_alignBgBitmap = alignment; |
| 192 | m_stretchBgBitmap = stretch; |
| 193 | } |
| 194 | |
| 195 | const wxBitmap& wxWindow::GetBackgroundBitmap(int *alignment, |
| 196 | wxStretch *stretch) const |
| 197 | { |
| 198 | if ( m_bitmapBg.Ok() ) |
| 199 | { |
| 200 | if ( alignment ) |
| 201 | *alignment = m_alignBgBitmap; |
| 202 | if ( stretch ) |
| 203 | *stretch = m_stretchBgBitmap; |
| 204 | } |
| 205 | |
| 206 | return m_bitmapBg; |
| 207 | } |
| 208 | |
| 209 | // ---------------------------------------------------------------------------- |
| 210 | // painting |
| 211 | // ---------------------------------------------------------------------------- |
| 212 | |
| 213 | // the event handlers executed when the window must be repainted |
| 214 | void wxWindow::OnNcPaint(wxNcPaintEvent& WXUNUSED(event)) |
| 215 | { |
| 216 | if ( m_renderer ) |
| 217 | { |
| 218 | // get the window rect |
| 219 | wxRect rect; |
| 220 | wxSize size = GetSize(); |
| 221 | rect.x = |
| 222 | rect.y = 0; |
| 223 | rect.width = size.x; |
| 224 | rect.height = size.y; |
| 225 | |
| 226 | // if the scrollbars are outside the border, we must adjust the rect to |
| 227 | // exclude them |
| 228 | if ( !m_renderer->AreScrollbarsInsideBorder() ) |
| 229 | { |
| 230 | wxScrollBar *scrollbar = GetScrollbar(wxVERTICAL); |
| 231 | if ( scrollbar ) |
| 232 | rect.width -= scrollbar->GetSize().x; |
| 233 | |
| 234 | scrollbar = GetScrollbar(wxHORIZONTAL); |
| 235 | if ( scrollbar ) |
| 236 | rect.height -= scrollbar->GetSize().y; |
| 237 | } |
| 238 | |
| 239 | // get the DC and draw the border on it |
| 240 | wxWindowDC dc(this); |
| 241 | DoDrawBorder(dc, rect); |
| 242 | } |
| 243 | } |
| 244 | |
| 245 | void wxWindow::OnPaint(wxPaintEvent& event) |
| 246 | { |
| 247 | if ( !m_renderer ) |
| 248 | { |
| 249 | // it is a native control which paints itself |
| 250 | event.Skip(); |
| 251 | } |
| 252 | else |
| 253 | { |
| 254 | // get the DC to use and create renderer on it |
| 255 | wxPaintDC dc(this); |
| 256 | wxControlRenderer renderer(this, dc, m_renderer); |
| 257 | |
| 258 | // draw the control |
| 259 | DoDraw(&renderer); |
| 260 | } |
| 261 | } |
| 262 | |
| 263 | // the event handler executed when the window background must be painted |
| 264 | void wxWindow::OnErase(wxEraseEvent& event) |
| 265 | { |
| 266 | if ( !m_renderer ) |
| 267 | { |
| 268 | event.Skip(); |
| 269 | |
| 270 | return; |
| 271 | } |
| 272 | |
| 273 | DoDrawBackground(*event.GetDC()); |
| 274 | |
| 275 | // if we have both scrollbars, we also have a square in the corner between |
| 276 | // them which we must paint |
| 277 | if ( m_scrollbarVert && m_scrollbarHorz ) |
| 278 | { |
| 279 | wxSize size = GetSize(); |
| 280 | wxRect rectClient = GetClientRect(), |
| 281 | rectBorder = m_renderer->GetBorderDimensions(GetBorder()); |
| 282 | |
| 283 | wxRect rectCorner; |
| 284 | rectCorner.x = rectClient.GetRight() + 1; |
| 285 | rectCorner.y = rectClient.GetBottom() + 1; |
| 286 | rectCorner.SetRight(size.x - rectBorder.width); |
| 287 | rectCorner.SetBottom(size.y - rectBorder.height); |
| 288 | |
| 289 | if ( GetUpdateRegion().Contains(rectCorner) ) |
| 290 | { |
| 291 | m_renderer->DrawScrollCorner(*event.GetDC(), rectCorner); |
| 292 | } |
| 293 | } |
| 294 | } |
| 295 | |
| 296 | bool wxWindow::DoDrawBackground(wxDC& dc) |
| 297 | { |
| 298 | wxRect rect; |
| 299 | |
| 300 | wxSize size = GetSize(); // Why not GetClientSize() ? |
| 301 | rect.x = 0; |
| 302 | rect.y = 0; |
| 303 | rect.width = size.x; |
| 304 | rect.height = size.y; |
| 305 | |
| 306 | wxWindow * const parent = GetParent(); |
| 307 | if ( HasTransparentBackground() && parent && parent->ProvidesBackground() ) |
| 308 | { |
| 309 | wxASSERT( !IsTopLevel() ); |
| 310 | |
| 311 | wxPoint pos = GetPosition(); |
| 312 | |
| 313 | AdjustForParentClientOrigin( pos.x, pos.y, 0 ); |
| 314 | |
| 315 | // Adjust DC logical origin |
| 316 | wxCoord org_x, org_y, x, y; |
| 317 | dc.GetLogicalOrigin( &org_x, &org_y ); |
| 318 | x = org_x + pos.x; |
| 319 | y = org_y + pos.y; |
| 320 | dc.SetLogicalOrigin( x, y ); |
| 321 | |
| 322 | // Adjust draw rect |
| 323 | rect.x = pos.x; |
| 324 | rect.y = pos.y; |
| 325 | |
| 326 | // Let parent draw the background |
| 327 | parent->EraseBackground( dc, rect ); |
| 328 | |
| 329 | // Restore DC logical origin |
| 330 | dc.SetLogicalOrigin( org_x, org_y ); |
| 331 | } |
| 332 | else |
| 333 | { |
| 334 | // Draw background ouselves |
| 335 | EraseBackground( dc, rect ); |
| 336 | } |
| 337 | |
| 338 | return TRUE; |
| 339 | } |
| 340 | |
| 341 | void wxWindow::EraseBackground(wxDC& dc, const wxRect& rect) |
| 342 | { |
| 343 | if ( GetBackgroundBitmap().Ok() ) |
| 344 | { |
| 345 | // Get the bitmap and the flags |
| 346 | int alignment; |
| 347 | wxStretch stretch; |
| 348 | wxBitmap bmp = GetBackgroundBitmap(&alignment, &stretch); |
| 349 | wxControlRenderer::DrawBitmap(dc, bmp, rect, alignment, stretch); |
| 350 | } |
| 351 | else |
| 352 | { |
| 353 | // Just fill it with bg colour if no bitmap |
| 354 | |
| 355 | m_renderer->DrawBackground(dc, wxTHEME_BG_COLOUR(this), |
| 356 | rect, GetStateFlags()); |
| 357 | } |
| 358 | } |
| 359 | |
| 360 | void wxWindow::DoDrawBorder(wxDC& dc, const wxRect& rect) |
| 361 | { |
| 362 | // draw outline unless the update region is enitrely inside it in which |
| 363 | // case we don't need to do it |
| 364 | #if 0 // doesn't seem to work, why? |
| 365 | if ( wxRegion(rect).Contains(GetUpdateRegion().GetBox()) != wxInRegion ) |
| 366 | #endif |
| 367 | { |
| 368 | m_renderer->DrawBorder(dc, GetBorder(), rect, GetStateFlags()); |
| 369 | } |
| 370 | } |
| 371 | |
| 372 | void wxWindow::DoDraw(wxControlRenderer * WXUNUSED(renderer)) |
| 373 | { |
| 374 | } |
| 375 | |
| 376 | void wxWindow::Refresh(bool eraseBackground, const wxRect *rectClient) |
| 377 | { |
| 378 | wxRect rectWin; |
| 379 | wxPoint pt = GetClientAreaOrigin(); |
| 380 | |
| 381 | wxSize size = GetClientSize(); |
| 382 | |
| 383 | if ( rectClient ) |
| 384 | { |
| 385 | rectWin = *rectClient; |
| 386 | |
| 387 | // don't refresh anything beyond the client area (scrollbars for |
| 388 | // example) |
| 389 | if ( rectWin.GetRight() > size.x ) |
| 390 | rectWin.SetRight(size.x); |
| 391 | if ( rectWin.GetBottom() > size.y ) |
| 392 | rectWin.SetBottom(size.y); |
| 393 | |
| 394 | rectWin.Offset(pt); |
| 395 | } |
| 396 | else // refresh the entire client area |
| 397 | { |
| 398 | rectWin.x = pt.x; |
| 399 | rectWin.y = pt.y; |
| 400 | rectWin.width = size.x; |
| 401 | rectWin.height = size.y; |
| 402 | } |
| 403 | |
| 404 | // debugging helper |
| 405 | #ifdef WXDEBUG_REFRESH |
| 406 | static bool s_refreshDebug = FALSE; |
| 407 | if ( s_refreshDebug ) |
| 408 | { |
| 409 | wxWindowDC dc(this); |
| 410 | dc.SetBrush(*wxCYAN_BRUSH); |
| 411 | dc.SetPen(*wxTRANSPARENT_PEN); |
| 412 | dc.DrawRectangle(rectWin); |
| 413 | |
| 414 | // under Unix we use "--sync" X option for this |
| 415 | #if defined(__WXMSW__) && !defined(__WXMICROWIN__) |
| 416 | ::GdiFlush(); |
| 417 | ::Sleep(200); |
| 418 | #endif // __WXMSW__ |
| 419 | } |
| 420 | #endif // WXDEBUG_REFRESH |
| 421 | |
| 422 | wxWindowNative::Refresh(eraseBackground, &rectWin); |
| 423 | |
| 424 | // Refresh all sub controls if any. |
| 425 | wxWindowList::compatibility_iterator node = GetChildren().GetFirst(); |
| 426 | while ( node ) |
| 427 | { |
| 428 | wxWindow *win = node->GetData(); |
| 429 | // Only refresh sub controls when it is visible |
| 430 | // and when it is in the update region. |
| 431 | if(!win->IsKindOf(CLASSINFO(wxTopLevelWindow)) && win->IsShown() && wxRegion(rectWin).Contains(win->GetRect()) != wxOutRegion) |
| 432 | win->Refresh(eraseBackground, &rectWin); |
| 433 | |
| 434 | node = node->GetNext(); |
| 435 | } |
| 436 | } |
| 437 | |
| 438 | // ---------------------------------------------------------------------------- |
| 439 | // state flags |
| 440 | // ---------------------------------------------------------------------------- |
| 441 | |
| 442 | bool wxWindow::Enable(bool enable) |
| 443 | { |
| 444 | if ( !wxWindowNative::Enable(enable) ) |
| 445 | return FALSE; |
| 446 | |
| 447 | // disabled window can't keep focus |
| 448 | if ( FindFocus() == this && GetParent() != NULL ) |
| 449 | { |
| 450 | GetParent()->SetFocus(); |
| 451 | } |
| 452 | |
| 453 | if ( m_renderer ) |
| 454 | { |
| 455 | // a window with renderer is drawn by ourselves and it has to be |
| 456 | // refreshed to reflect its new status |
| 457 | Refresh(); |
| 458 | } |
| 459 | |
| 460 | return TRUE; |
| 461 | } |
| 462 | |
| 463 | bool wxWindow::IsFocused() const |
| 464 | { |
| 465 | wxWindow *self = wxConstCast(this, wxWindow); |
| 466 | return self->FindFocus() == self; |
| 467 | } |
| 468 | |
| 469 | bool wxWindow::IsPressed() const |
| 470 | { |
| 471 | return FALSE; |
| 472 | } |
| 473 | |
| 474 | bool wxWindow::IsDefault() const |
| 475 | { |
| 476 | return FALSE; |
| 477 | } |
| 478 | |
| 479 | bool wxWindow::IsCurrent() const |
| 480 | { |
| 481 | return m_isCurrent; |
| 482 | } |
| 483 | |
| 484 | bool wxWindow::SetCurrent(bool doit) |
| 485 | { |
| 486 | if ( doit == m_isCurrent ) |
| 487 | return FALSE; |
| 488 | |
| 489 | m_isCurrent = doit; |
| 490 | |
| 491 | if ( CanBeHighlighted() ) |
| 492 | Refresh(); |
| 493 | |
| 494 | return TRUE; |
| 495 | } |
| 496 | |
| 497 | int wxWindow::GetStateFlags() const |
| 498 | { |
| 499 | int flags = 0; |
| 500 | if ( !IsEnabled() ) |
| 501 | flags |= wxCONTROL_DISABLED; |
| 502 | |
| 503 | // the following states are only possible if our application is active - if |
| 504 | // it is not, even our default/focused controls shouldn't appear as such |
| 505 | if ( wxTheApp->IsActive() ) |
| 506 | { |
| 507 | if ( IsCurrent() ) |
| 508 | flags |= wxCONTROL_CURRENT; |
| 509 | if ( IsFocused() ) |
| 510 | flags |= wxCONTROL_FOCUSED; |
| 511 | if ( IsPressed() ) |
| 512 | flags |= wxCONTROL_PRESSED; |
| 513 | if ( IsDefault() ) |
| 514 | flags |= wxCONTROL_ISDEFAULT; |
| 515 | } |
| 516 | |
| 517 | return flags; |
| 518 | } |
| 519 | |
| 520 | // ---------------------------------------------------------------------------- |
| 521 | // size |
| 522 | // ---------------------------------------------------------------------------- |
| 523 | |
| 524 | void wxWindow::OnSize(wxSizeEvent& event) |
| 525 | { |
| 526 | event.Skip(); |
| 527 | |
| 528 | if ( m_scrollbarVert || m_scrollbarHorz ) |
| 529 | { |
| 530 | PositionScrollbars(); |
| 531 | } |
| 532 | |
| 533 | #if 0 // ndef __WXMSW__ |
| 534 | // Refresh the area (strip) previously occupied by the border |
| 535 | |
| 536 | if ( !HasFlag(wxFULL_REPAINT_ON_RESIZE) && IsShown() ) |
| 537 | { |
| 538 | // This code assumes that wxSizeEvent.GetSize() returns |
| 539 | // the area of the entire window, not just the client |
| 540 | // area. |
| 541 | wxSize newSize = event.GetSize(); |
| 542 | |
| 543 | if (m_oldSize.x == -1 && m_oldSize.y == -1) |
| 544 | { |
| 545 | m_oldSize = newSize; |
| 546 | return; |
| 547 | } |
| 548 | |
| 549 | if (HasFlag( wxSIMPLE_BORDER )) |
| 550 | { |
| 551 | if (newSize.y > m_oldSize.y) |
| 552 | { |
| 553 | wxRect rect; |
| 554 | rect.x = 0; |
| 555 | rect.width = m_oldSize.x; |
| 556 | rect.y = m_oldSize.y-2; |
| 557 | rect.height = 1; |
| 558 | Refresh( TRUE, &rect ); |
| 559 | } |
| 560 | else if (newSize.y < m_oldSize.y) |
| 561 | { |
| 562 | wxRect rect; |
| 563 | rect.y = newSize.y; |
| 564 | rect.x = 0; |
| 565 | rect.height = 1; |
| 566 | rect.width = newSize.x; |
| 567 | wxWindowNative::Refresh( TRUE, &rect ); |
| 568 | } |
| 569 | |
| 570 | if (newSize.x > m_oldSize.x) |
| 571 | { |
| 572 | wxRect rect; |
| 573 | rect.y = 0; |
| 574 | rect.height = m_oldSize.y; |
| 575 | rect.x = m_oldSize.x-2; |
| 576 | rect.width = 1; |
| 577 | Refresh( TRUE, &rect ); |
| 578 | } |
| 579 | else if (newSize.x < m_oldSize.x) |
| 580 | { |
| 581 | wxRect rect; |
| 582 | rect.x = newSize.x; |
| 583 | rect.y = 0; |
| 584 | rect.width = 1; |
| 585 | rect.height = newSize.y; |
| 586 | wxWindowNative::Refresh( TRUE, &rect ); |
| 587 | } |
| 588 | } |
| 589 | else |
| 590 | if (HasFlag( wxSUNKEN_BORDER ) || HasFlag( wxRAISED_BORDER )) |
| 591 | { |
| 592 | if (newSize.y > m_oldSize.y) |
| 593 | { |
| 594 | wxRect rect; |
| 595 | rect.x = 0; |
| 596 | rect.width = m_oldSize.x; |
| 597 | rect.y = m_oldSize.y-4; |
| 598 | rect.height = 2; |
| 599 | Refresh( TRUE, &rect ); |
| 600 | } |
| 601 | else if (newSize.y < m_oldSize.y) |
| 602 | { |
| 603 | wxRect rect; |
| 604 | rect.y = newSize.y; |
| 605 | rect.x = 0; |
| 606 | rect.height = 2; |
| 607 | rect.width = newSize.x; |
| 608 | wxWindowNative::Refresh( TRUE, &rect ); |
| 609 | } |
| 610 | |
| 611 | if (newSize.x > m_oldSize.x) |
| 612 | { |
| 613 | wxRect rect; |
| 614 | rect.y = 0; |
| 615 | rect.height = m_oldSize.y; |
| 616 | rect.x = m_oldSize.x-4; |
| 617 | rect.width = 2; |
| 618 | Refresh( TRUE, &rect ); |
| 619 | } |
| 620 | else if (newSize.x < m_oldSize.x) |
| 621 | { |
| 622 | wxRect rect; |
| 623 | rect.x = newSize.x; |
| 624 | rect.y = 0; |
| 625 | rect.width = 2; |
| 626 | rect.height = newSize.y; |
| 627 | wxWindowNative::Refresh( TRUE, &rect ); |
| 628 | } |
| 629 | } |
| 630 | |
| 631 | m_oldSize = newSize; |
| 632 | } |
| 633 | #endif |
| 634 | } |
| 635 | |
| 636 | wxSize wxWindow::DoGetBestSize() const |
| 637 | { |
| 638 | return AdjustSize(DoGetBestClientSize()); |
| 639 | } |
| 640 | |
| 641 | wxSize wxWindow::DoGetBestClientSize() const |
| 642 | { |
| 643 | return wxWindowNative::DoGetBestSize(); |
| 644 | } |
| 645 | |
| 646 | wxSize wxWindow::AdjustSize(const wxSize& size) const |
| 647 | { |
| 648 | wxSize sz = size; |
| 649 | if ( m_renderer ) |
| 650 | m_renderer->AdjustSize(&sz, this); |
| 651 | return sz; |
| 652 | } |
| 653 | |
| 654 | wxPoint wxWindow::GetClientAreaOrigin() const |
| 655 | { |
| 656 | wxPoint pt = wxWindowBase::GetClientAreaOrigin(); |
| 657 | |
| 658 | #if wxUSE_TWO_WINDOWS |
| 659 | #else |
| 660 | if ( m_renderer ) |
| 661 | pt += m_renderer->GetBorderDimensions(GetBorder()).GetPosition(); |
| 662 | #endif |
| 663 | |
| 664 | return pt; |
| 665 | } |
| 666 | |
| 667 | void wxWindow::DoGetClientSize(int *width, int *height) const |
| 668 | { |
| 669 | // if it is a native window, we assume it handles the scrollbars itself |
| 670 | // too - and if it doesn't, there is not much we can do |
| 671 | if ( !m_renderer ) |
| 672 | { |
| 673 | wxWindowNative::DoGetClientSize(width, height); |
| 674 | |
| 675 | return; |
| 676 | } |
| 677 | |
| 678 | int w, h; |
| 679 | wxWindowNative::DoGetClientSize(&w, &h); |
| 680 | |
| 681 | // we assume that the scrollbars are positioned correctly (by a previous |
| 682 | // call to PositionScrollbars()) here |
| 683 | |
| 684 | wxRect rectBorder; |
| 685 | if ( m_renderer ) |
| 686 | rectBorder = m_renderer->GetBorderDimensions(GetBorder()); |
| 687 | |
| 688 | bool inside = m_renderer->AreScrollbarsInsideBorder(); |
| 689 | |
| 690 | if ( width ) |
| 691 | { |
| 692 | // in any case, take account of the scrollbar |
| 693 | if ( m_scrollbarVert ) |
| 694 | w -= m_scrollbarVert->GetSize().x; |
| 695 | |
| 696 | // if we don't have scrollbar or if it is outside the border (and not |
| 697 | // blended into it), take account of the right border as well |
| 698 | if ( !m_scrollbarVert || inside ) |
| 699 | w -= rectBorder.width; |
| 700 | |
| 701 | // and always account for the left border |
| 702 | *width = w - rectBorder.x; |
| 703 | |
| 704 | // we shouldn't return invalid width |
| 705 | if ( *width < 0 ) |
| 706 | *width = 0; |
| 707 | } |
| 708 | |
| 709 | if ( height ) |
| 710 | { |
| 711 | if ( m_scrollbarHorz ) |
| 712 | h -= m_scrollbarHorz->GetSize().y; |
| 713 | |
| 714 | if ( !m_scrollbarHorz || inside ) |
| 715 | h -= rectBorder.height; |
| 716 | |
| 717 | *height = h - rectBorder.y; |
| 718 | |
| 719 | // we shouldn't return invalid height |
| 720 | if ( *height < 0 ) |
| 721 | *height = 0; |
| 722 | } |
| 723 | } |
| 724 | |
| 725 | void wxWindow::DoSetClientSize(int width, int height) |
| 726 | { |
| 727 | // take into account the borders |
| 728 | wxRect rectBorder = m_renderer->GetBorderDimensions(GetBorder()); |
| 729 | width += rectBorder.x; |
| 730 | height += rectBorder.y; |
| 731 | |
| 732 | // and the scrollbars (as they may be offset into the border, use the |
| 733 | // scrollbar position, not size - this supposes that PositionScrollbars() |
| 734 | // had been called before) |
| 735 | bool inside = m_renderer->AreScrollbarsInsideBorder(); |
| 736 | wxSize size = GetSize(); |
| 737 | if ( m_scrollbarVert ) |
| 738 | width += size.x - m_scrollbarVert->GetPosition().x; |
| 739 | if ( !m_scrollbarVert || inside ) |
| 740 | width += rectBorder.width; |
| 741 | |
| 742 | if ( m_scrollbarHorz ) |
| 743 | height += size.y - m_scrollbarHorz->GetPosition().y; |
| 744 | if ( !m_scrollbarHorz || inside ) |
| 745 | height += rectBorder.height; |
| 746 | |
| 747 | wxWindowNative::DoSetClientSize(width, height); |
| 748 | } |
| 749 | |
| 750 | wxHitTest wxWindow::DoHitTest(wxCoord x, wxCoord y) const |
| 751 | { |
| 752 | wxHitTest ht = wxWindowNative::DoHitTest(x, y); |
| 753 | if ( ht == wxHT_WINDOW_INSIDE ) |
| 754 | { |
| 755 | if ( m_scrollbarVert && x >= m_scrollbarVert->GetPosition().x ) |
| 756 | { |
| 757 | // it can still be changed below because it may also be the corner |
| 758 | ht = wxHT_WINDOW_VERT_SCROLLBAR; |
| 759 | } |
| 760 | |
| 761 | if ( m_scrollbarHorz && y >= m_scrollbarHorz->GetPosition().y ) |
| 762 | { |
| 763 | ht = ht == wxHT_WINDOW_VERT_SCROLLBAR ? wxHT_WINDOW_CORNER |
| 764 | : wxHT_WINDOW_HORZ_SCROLLBAR; |
| 765 | } |
| 766 | } |
| 767 | |
| 768 | return ht; |
| 769 | } |
| 770 | |
| 771 | // ---------------------------------------------------------------------------- |
| 772 | // scrolling: we implement it entirely ourselves except for ScrollWindow() |
| 773 | // function which is supposed to be (efficiently) implemented by the native |
| 774 | // window class |
| 775 | // ---------------------------------------------------------------------------- |
| 776 | |
| 777 | void wxWindow::RefreshScrollbars() |
| 778 | { |
| 779 | if ( m_scrollbarHorz ) |
| 780 | m_scrollbarHorz->Refresh(); |
| 781 | |
| 782 | if ( m_scrollbarVert ) |
| 783 | m_scrollbarVert->Refresh(); |
| 784 | } |
| 785 | |
| 786 | void wxWindow::PositionScrollbars() |
| 787 | { |
| 788 | // do not use GetClientSize/Rect as it relies on the scrollbars being |
| 789 | // correctly positioned |
| 790 | |
| 791 | wxSize size = GetSize(); |
| 792 | wxBorder border = GetBorder(); |
| 793 | wxRect rectBorder = m_renderer->GetBorderDimensions(border); |
| 794 | bool inside = m_renderer->AreScrollbarsInsideBorder(); |
| 795 | |
| 796 | int height = m_scrollbarHorz ? m_scrollbarHorz->GetSize().y : 0; |
| 797 | int width = m_scrollbarVert ? m_scrollbarVert->GetSize().x : 0; |
| 798 | |
| 799 | wxRect rectBar; |
| 800 | if ( m_scrollbarVert ) |
| 801 | { |
| 802 | rectBar.x = size.x - width; |
| 803 | if ( inside ) |
| 804 | rectBar.x -= rectBorder.width; |
| 805 | rectBar.width = width; |
| 806 | rectBar.y = 0; |
| 807 | if ( inside ) |
| 808 | rectBar.y += rectBorder.y; |
| 809 | rectBar.height = size.y - height; |
| 810 | if ( inside ) |
| 811 | rectBar.height -= rectBorder.y + rectBorder.height; |
| 812 | |
| 813 | m_scrollbarVert->SetSize(rectBar, wxSIZE_NO_ADJUSTMENTS); |
| 814 | } |
| 815 | |
| 816 | if ( m_scrollbarHorz ) |
| 817 | { |
| 818 | rectBar.y = size.y - height; |
| 819 | if ( inside ) |
| 820 | rectBar.y -= rectBorder.height; |
| 821 | rectBar.height = height; |
| 822 | rectBar.x = 0; |
| 823 | if ( inside ) |
| 824 | rectBar.x += rectBorder.x; |
| 825 | rectBar.width = size.x - width; |
| 826 | if ( inside ) |
| 827 | rectBar.width -= rectBorder.x + rectBorder.width; |
| 828 | |
| 829 | m_scrollbarHorz->SetSize(rectBar, wxSIZE_NO_ADJUSTMENTS); |
| 830 | } |
| 831 | |
| 832 | RefreshScrollbars(); |
| 833 | } |
| 834 | |
| 835 | void wxWindow::SetScrollbar(int orient, |
| 836 | int pos, |
| 837 | int pageSize, |
| 838 | int range, |
| 839 | bool refresh) |
| 840 | { |
| 841 | wxASSERT_MSG( pageSize <= range, |
| 842 | _T("page size can't be greater than range") ); |
| 843 | |
| 844 | bool hasClientSizeChanged = FALSE; |
| 845 | wxScrollBar *scrollbar = GetScrollbar(orient); |
| 846 | if ( range && (pageSize < range) ) |
| 847 | { |
| 848 | if ( !scrollbar ) |
| 849 | { |
| 850 | // create it |
| 851 | #if wxUSE_TWO_WINDOWS |
| 852 | SetInsertIntoMain( TRUE ); |
| 853 | #endif |
| 854 | scrollbar = new wxScrollBar(this, -1, |
| 855 | wxDefaultPosition, wxDefaultSize, |
| 856 | orient & wxVERTICAL ? wxSB_VERTICAL |
| 857 | : wxSB_HORIZONTAL); |
| 858 | #if wxUSE_TWO_WINDOWS |
| 859 | SetInsertIntoMain( FALSE ); |
| 860 | #endif |
| 861 | if ( orient & wxVERTICAL ) |
| 862 | m_scrollbarVert = scrollbar; |
| 863 | else |
| 864 | m_scrollbarHorz = scrollbar; |
| 865 | |
| 866 | // the client area diminished as we created a scrollbar |
| 867 | hasClientSizeChanged = TRUE; |
| 868 | |
| 869 | PositionScrollbars(); |
| 870 | } |
| 871 | else if ( GetWindowStyle() & wxALWAYS_SHOW_SB ) |
| 872 | { |
| 873 | // we might have disabled it before |
| 874 | scrollbar->Enable(); |
| 875 | } |
| 876 | |
| 877 | scrollbar->SetScrollbar(pos, pageSize, range, pageSize, refresh); |
| 878 | } |
| 879 | else // no range means no scrollbar |
| 880 | { |
| 881 | if ( scrollbar ) |
| 882 | { |
| 883 | // wxALWAYS_SHOW_SB only applies to the vertical scrollbar |
| 884 | if ( (orient & wxVERTICAL) && (GetWindowStyle() & wxALWAYS_SHOW_SB) ) |
| 885 | { |
| 886 | // just disable the scrollbar |
| 887 | scrollbar->SetScrollbar(pos, pageSize, range, pageSize, refresh); |
| 888 | scrollbar->Disable(); |
| 889 | } |
| 890 | else // really remove the scrollbar |
| 891 | { |
| 892 | delete scrollbar; |
| 893 | |
| 894 | if ( orient & wxVERTICAL ) |
| 895 | m_scrollbarVert = NULL; |
| 896 | else |
| 897 | m_scrollbarHorz = NULL; |
| 898 | |
| 899 | // the client area increased as we removed a scrollbar |
| 900 | hasClientSizeChanged = TRUE; |
| 901 | |
| 902 | // the size of the remaining scrollbar must be adjusted |
| 903 | if ( m_scrollbarHorz || m_scrollbarVert ) |
| 904 | { |
| 905 | PositionScrollbars(); |
| 906 | } |
| 907 | } |
| 908 | } |
| 909 | } |
| 910 | |
| 911 | // give the window a chance to relayout |
| 912 | if ( hasClientSizeChanged ) |
| 913 | { |
| 914 | #if wxUSE_TWO_WINDOWS |
| 915 | wxWindowNative::SetSize( GetSize() ); |
| 916 | #else |
| 917 | wxSizeEvent event(GetSize()); |
| 918 | (void)GetEventHandler()->ProcessEvent(event); |
| 919 | #endif |
| 920 | } |
| 921 | } |
| 922 | |
| 923 | void wxWindow::SetScrollPos(int orient, int pos, bool WXUNUSED(refresh)) |
| 924 | { |
| 925 | wxScrollBar *scrollbar = GetScrollbar(orient); |
| 926 | wxCHECK_RET( scrollbar, _T("no scrollbar to set position for") ); |
| 927 | |
| 928 | scrollbar->SetThumbPosition(pos); |
| 929 | |
| 930 | // VZ: I think we can safely ignore this as we always refresh it |
| 931 | // automatically whenever the value chanegs |
| 932 | #if 0 |
| 933 | if ( refresh ) |
| 934 | Refresh(); |
| 935 | #endif |
| 936 | } |
| 937 | |
| 938 | int wxWindow::GetScrollPos(int orient) const |
| 939 | { |
| 940 | wxScrollBar *scrollbar = GetScrollbar(orient); |
| 941 | return scrollbar ? scrollbar->GetThumbPosition() : 0; |
| 942 | } |
| 943 | |
| 944 | int wxWindow::GetScrollThumb(int orient) const |
| 945 | { |
| 946 | wxScrollBar *scrollbar = GetScrollbar(orient); |
| 947 | return scrollbar ? scrollbar->GetThumbSize() : 0; |
| 948 | } |
| 949 | |
| 950 | int wxWindow::GetScrollRange(int orient) const |
| 951 | { |
| 952 | wxScrollBar *scrollbar = GetScrollbar(orient); |
| 953 | return scrollbar ? scrollbar->GetRange() : 0; |
| 954 | } |
| 955 | |
| 956 | void wxWindow::ScrollWindow(int dx, int dy, const wxRect *rect) |
| 957 | { |
| 958 | // use native scrolling when available and do it in generic way |
| 959 | // otherwise: |
| 960 | #ifdef __WXX11__ |
| 961 | |
| 962 | wxWindowNative::ScrollWindow(dx, dy, rect); |
| 963 | |
| 964 | #else // !wxX11 |
| 965 | |
| 966 | // before scrolling it, ensure that we don't have any unpainted areas |
| 967 | Update(); |
| 968 | |
| 969 | wxRect r; |
| 970 | |
| 971 | if ( dx ) |
| 972 | { |
| 973 | r = ScrollNoRefresh(dx, 0, rect); |
| 974 | Refresh(TRUE /* erase bkgnd */, &r); |
| 975 | } |
| 976 | |
| 977 | if ( dy ) |
| 978 | { |
| 979 | r = ScrollNoRefresh(0, dy, rect); |
| 980 | Refresh(TRUE /* erase bkgnd */, &r); |
| 981 | } |
| 982 | |
| 983 | // scroll children accordingly: |
| 984 | wxPoint offset(dx, dy); |
| 985 | |
| 986 | for (wxWindowList::compatibility_iterator node = GetChildren().GetFirst(); |
| 987 | node; node = node->GetNext()) |
| 988 | { |
| 989 | wxWindow *child = node->GetData(); |
| 990 | if ( child == m_scrollbarVert || child == m_scrollbarHorz ) |
| 991 | continue; |
| 992 | |
| 993 | // VS: Scrolling children has non-trivial semantics. If rect=NULL then |
| 994 | // it is easy: we scroll all children. Otherwise it gets |
| 995 | // complicated: |
| 996 | // 1. if scrolling in one direction only, scroll only |
| 997 | // those children that intersect shaft defined by the rectangle |
| 998 | // and scrolling direction |
| 999 | // 2. if scrolling in both axes, scroll all children |
| 1000 | |
| 1001 | if ( rect && (dx * dy == 0 /* moving in only one of x, y axis */) ) |
| 1002 | { |
| 1003 | wxRect childRect = child->GetRect(); |
| 1004 | if ( dx == 0 && (childRect.GetLeft() <= rect->GetRight() || |
| 1005 | childRect.GetRight() >= rect->GetLeft()) ) |
| 1006 | { |
| 1007 | child->Move(child->GetPosition() + offset); |
| 1008 | } |
| 1009 | else if ( dy == 0 && (childRect.GetTop() <= rect->GetBottom() || |
| 1010 | childRect.GetBottom() >= rect->GetTop()) ) |
| 1011 | { |
| 1012 | child->Move(child->GetPosition() + offset); |
| 1013 | } |
| 1014 | } |
| 1015 | else |
| 1016 | { |
| 1017 | child->Move(child->GetPosition() + offset); |
| 1018 | } |
| 1019 | } |
| 1020 | #endif // wxX11/!wxX11 |
| 1021 | } |
| 1022 | |
| 1023 | wxRect wxWindow::ScrollNoRefresh(int dx, int dy, const wxRect *rectTotal) |
| 1024 | { |
| 1025 | wxASSERT_MSG( !dx || !dy, _T("can't be used for diag scrolling") ); |
| 1026 | |
| 1027 | // the rect to refresh (which we will calculate) |
| 1028 | wxRect rect; |
| 1029 | |
| 1030 | if ( !dx && !dy ) |
| 1031 | { |
| 1032 | // nothing to do |
| 1033 | return rect; |
| 1034 | } |
| 1035 | |
| 1036 | // calculate the part of the window which we can just redraw in the new |
| 1037 | // location |
| 1038 | wxSize sizeTotal = rectTotal ? rectTotal->GetSize() : GetClientSize(); |
| 1039 | |
| 1040 | wxLogTrace(_T("scroll"), _T("rect is %dx%d, scroll by %d, %d"), |
| 1041 | sizeTotal.x, sizeTotal.y, dx, dy); |
| 1042 | |
| 1043 | // the initial and end point of the region we move in client coords |
| 1044 | wxPoint ptSource, ptDest; |
| 1045 | if ( rectTotal ) |
| 1046 | { |
| 1047 | ptSource = rectTotal->GetPosition(); |
| 1048 | ptDest = rectTotal->GetPosition(); |
| 1049 | } |
| 1050 | |
| 1051 | // the size of this region |
| 1052 | wxSize size; |
| 1053 | size.x = sizeTotal.x - abs(dx); |
| 1054 | size.y = sizeTotal.y - abs(dy); |
| 1055 | if ( size.x <= 0 || size.y <= 0 ) |
| 1056 | { |
| 1057 | // just redraw everything as nothing of the displayed image will stay |
| 1058 | wxLogTrace(_T("scroll"), _T("refreshing everything")); |
| 1059 | |
| 1060 | rect = rectTotal ? *rectTotal : wxRect(0, 0, sizeTotal.x, sizeTotal.y); |
| 1061 | } |
| 1062 | else // move the part which doesn't change to the new location |
| 1063 | { |
| 1064 | // note that when we scroll the canvas in some direction we move the |
| 1065 | // block which doesn't need to be refreshed in the opposite direction |
| 1066 | |
| 1067 | if ( dx < 0 ) |
| 1068 | { |
| 1069 | // scroll to the right, move to the left |
| 1070 | ptSource.x -= dx; |
| 1071 | } |
| 1072 | else |
| 1073 | { |
| 1074 | // scroll to the left, move to the right |
| 1075 | ptDest.x += dx; |
| 1076 | } |
| 1077 | |
| 1078 | if ( dy < 0 ) |
| 1079 | { |
| 1080 | // scroll down, move up |
| 1081 | ptSource.y -= dy; |
| 1082 | } |
| 1083 | else |
| 1084 | { |
| 1085 | // scroll up, move down |
| 1086 | ptDest.y += dy; |
| 1087 | } |
| 1088 | |
| 1089 | #if wxUSE_CARET |
| 1090 | // we need to hide the caret before moving or it will erase itself at |
| 1091 | // the wrong (old) location |
| 1092 | wxCaret *caret = GetCaret(); |
| 1093 | if ( caret ) |
| 1094 | caret->Hide(); |
| 1095 | #endif // wxUSE_CARET |
| 1096 | |
| 1097 | // do move |
| 1098 | wxClientDC dc(this); |
| 1099 | wxBitmap bmp(size.x, size.y); |
| 1100 | wxMemoryDC dcMem; |
| 1101 | dcMem.SelectObject(bmp); |
| 1102 | |
| 1103 | dcMem.Blit(wxPoint(0, 0), size, &dc, ptSource |
| 1104 | #if defined(__WXGTK__) && !defined(wxHAS_WORKING_GTK_DC_BLIT) |
| 1105 | + GetClientAreaOrigin() |
| 1106 | #endif // broken wxGTK wxDC::Blit |
| 1107 | ); |
| 1108 | dc.Blit(ptDest, size, &dcMem, wxPoint(0, 0)); |
| 1109 | |
| 1110 | wxLogTrace(_T("scroll"), |
| 1111 | _T("Blit: (%d, %d) of size %dx%d -> (%d, %d)"), |
| 1112 | ptSource.x, ptSource.y, |
| 1113 | size.x, size.y, |
| 1114 | ptDest.x, ptDest.y); |
| 1115 | |
| 1116 | // and now repaint the uncovered area |
| 1117 | |
| 1118 | // FIXME: We repaint the intersection of these rectangles twice - is |
| 1119 | // it bad? I don't think so as it is rare to scroll the window |
| 1120 | // diagonally anyhow and so adding extra logic to compute |
| 1121 | // rectangle intersection is probably not worth the effort |
| 1122 | |
| 1123 | rect.x = ptSource.x; |
| 1124 | rect.y = ptSource.y; |
| 1125 | |
| 1126 | if ( dx ) |
| 1127 | { |
| 1128 | if ( dx < 0 ) |
| 1129 | { |
| 1130 | // refresh the area along the right border |
| 1131 | rect.x += size.x + dx; |
| 1132 | rect.width = -dx; |
| 1133 | } |
| 1134 | else |
| 1135 | { |
| 1136 | // refresh the area along the left border |
| 1137 | rect.width = dx; |
| 1138 | } |
| 1139 | |
| 1140 | rect.height = sizeTotal.y; |
| 1141 | |
| 1142 | wxLogTrace(_T("scroll"), _T("refreshing (%d, %d)-(%d, %d)"), |
| 1143 | rect.x, rect.y, |
| 1144 | rect.GetRight() + 1, rect.GetBottom() + 1); |
| 1145 | } |
| 1146 | |
| 1147 | if ( dy ) |
| 1148 | { |
| 1149 | if ( dy < 0 ) |
| 1150 | { |
| 1151 | // refresh the area along the bottom border |
| 1152 | rect.y += size.y + dy; |
| 1153 | rect.height = -dy; |
| 1154 | } |
| 1155 | else |
| 1156 | { |
| 1157 | // refresh the area along the top border |
| 1158 | rect.height = dy; |
| 1159 | } |
| 1160 | |
| 1161 | rect.width = sizeTotal.x; |
| 1162 | |
| 1163 | wxLogTrace(_T("scroll"), _T("refreshing (%d, %d)-(%d, %d)"), |
| 1164 | rect.x, rect.y, |
| 1165 | rect.GetRight() + 1, rect.GetBottom() + 1); |
| 1166 | } |
| 1167 | |
| 1168 | #if wxUSE_CARET |
| 1169 | if ( caret ) |
| 1170 | caret->Show(); |
| 1171 | #endif // wxUSE_CARET |
| 1172 | } |
| 1173 | |
| 1174 | return rect; |
| 1175 | } |
| 1176 | |
| 1177 | // ---------------------------------------------------------------------------- |
| 1178 | // accelerators and menu hot keys |
| 1179 | // ---------------------------------------------------------------------------- |
| 1180 | |
| 1181 | #if wxUSE_MENUS |
| 1182 | // the last window over which Alt was pressed (used by OnKeyUp) |
| 1183 | wxWindow *wxWindow::ms_winLastAltPress = NULL; |
| 1184 | #endif // wxUSE_MENUS |
| 1185 | |
| 1186 | #if wxUSE_ACCEL || wxUSE_MENUS |
| 1187 | |
| 1188 | void wxWindow::OnKeyDown(wxKeyEvent& event) |
| 1189 | { |
| 1190 | #if wxUSE_MENUS |
| 1191 | int key = event.GetKeyCode(); |
| 1192 | if ( !event.ControlDown() && (key == WXK_MENU || key == WXK_F10) ) |
| 1193 | { |
| 1194 | ms_winLastAltPress = this; |
| 1195 | |
| 1196 | // it can't be an accel anyhow |
| 1197 | return; |
| 1198 | } |
| 1199 | |
| 1200 | ms_winLastAltPress = NULL; |
| 1201 | #endif // wxUSE_MENUS |
| 1202 | |
| 1203 | #if wxUSE_ACCEL |
| 1204 | for ( wxWindow *win = this; win; win = win->GetParent() ) |
| 1205 | { |
| 1206 | int command = win->GetAcceleratorTable()->GetCommand(event); |
| 1207 | if ( command != -1 ) |
| 1208 | { |
| 1209 | wxCommandEvent eventCmd(wxEVT_COMMAND_MENU_SELECTED, command); |
| 1210 | if ( win->GetEventHandler()->ProcessEvent(eventCmd) ) |
| 1211 | { |
| 1212 | // skip "event.Skip()" below |
| 1213 | return; |
| 1214 | } |
| 1215 | } |
| 1216 | |
| 1217 | if ( win->IsTopLevel() ) |
| 1218 | { |
| 1219 | // try the frame menu bar |
| 1220 | #if wxUSE_MENUS |
| 1221 | wxFrame *frame = wxDynamicCast(win, wxFrame); |
| 1222 | if ( frame ) |
| 1223 | { |
| 1224 | wxMenuBar *menubar = frame->GetMenuBar(); |
| 1225 | if ( menubar && menubar->ProcessAccelEvent(event) ) |
| 1226 | { |
| 1227 | // skip "event.Skip()" below |
| 1228 | return; |
| 1229 | } |
| 1230 | } |
| 1231 | #endif // wxUSE_MENUS |
| 1232 | |
| 1233 | // if it wasn't in a menu, try to find a button |
| 1234 | if ( command != -1 ) |
| 1235 | { |
| 1236 | wxWindow* child = win->FindWindow(command); |
| 1237 | if ( child && wxDynamicCast(child, wxButton) ) |
| 1238 | { |
| 1239 | wxCommandEvent eventCmd(wxEVT_COMMAND_BUTTON_CLICKED, command); |
| 1240 | eventCmd.SetEventObject(child); |
| 1241 | if ( child->GetEventHandler()->ProcessEvent(eventCmd) ) |
| 1242 | { |
| 1243 | // skip "event.Skip()" below |
| 1244 | return; |
| 1245 | } |
| 1246 | } |
| 1247 | } |
| 1248 | |
| 1249 | // don't propagate accels from the child frame to the parent one |
| 1250 | break; |
| 1251 | } |
| 1252 | } |
| 1253 | #endif // wxUSE_ACCEL |
| 1254 | |
| 1255 | event.Skip(); |
| 1256 | } |
| 1257 | |
| 1258 | #endif // wxUSE_ACCEL |
| 1259 | |
| 1260 | #if wxUSE_MENUS |
| 1261 | |
| 1262 | wxMenuBar *wxWindow::GetParentFrameMenuBar() const |
| 1263 | { |
| 1264 | for ( const wxWindow *win = this; win; win = win->GetParent() ) |
| 1265 | { |
| 1266 | if ( win->IsTopLevel() ) |
| 1267 | { |
| 1268 | wxFrame *frame = wxDynamicCast(win, wxFrame); |
| 1269 | if ( frame ) |
| 1270 | { |
| 1271 | return frame->GetMenuBar(); |
| 1272 | } |
| 1273 | |
| 1274 | // don't look further - we don't want to return the menubar of the |
| 1275 | // parent frame |
| 1276 | break; |
| 1277 | } |
| 1278 | } |
| 1279 | |
| 1280 | return NULL; |
| 1281 | } |
| 1282 | |
| 1283 | void wxWindow::OnChar(wxKeyEvent& event) |
| 1284 | { |
| 1285 | if ( event.AltDown() && !event.ControlDown() ) |
| 1286 | { |
| 1287 | int key = event.GetKeyCode(); |
| 1288 | |
| 1289 | wxMenuBar *menubar = GetParentFrameMenuBar(); |
| 1290 | if ( menubar ) |
| 1291 | { |
| 1292 | int item = menubar->FindNextItemForAccel(-1, key); |
| 1293 | if ( item != -1 ) |
| 1294 | { |
| 1295 | menubar->PopupMenu((size_t)item); |
| 1296 | |
| 1297 | // skip "event.Skip()" below |
| 1298 | return; |
| 1299 | } |
| 1300 | } |
| 1301 | } |
| 1302 | |
| 1303 | event.Skip(); |
| 1304 | } |
| 1305 | |
| 1306 | void wxWindow::OnKeyUp(wxKeyEvent& event) |
| 1307 | { |
| 1308 | int key = event.GetKeyCode(); |
| 1309 | if ( !event.HasModifiers() && (key == WXK_MENU || key == WXK_F10) ) |
| 1310 | { |
| 1311 | // only process Alt release specially if there were no other key |
| 1312 | // presses since Alt had been pressed and if both events happened in |
| 1313 | // the same window |
| 1314 | if ( ms_winLastAltPress == this ) |
| 1315 | { |
| 1316 | wxMenuBar *menubar = GetParentFrameMenuBar(); |
| 1317 | if ( menubar && this != menubar ) |
| 1318 | { |
| 1319 | menubar->SelectMenu(0); |
| 1320 | } |
| 1321 | } |
| 1322 | } |
| 1323 | else |
| 1324 | { |
| 1325 | event.Skip(); |
| 1326 | } |
| 1327 | |
| 1328 | // in any case reset it |
| 1329 | ms_winLastAltPress = NULL; |
| 1330 | } |
| 1331 | |
| 1332 | #endif // wxUSE_MENUS |
| 1333 | |
| 1334 | // ---------------------------------------------------------------------------- |
| 1335 | // MSW-specific section |
| 1336 | // ---------------------------------------------------------------------------- |
| 1337 | |
| 1338 | #ifdef __WXMSW__ |
| 1339 | |
| 1340 | #include "wx/msw/private.h" |
| 1341 | |
| 1342 | WXLRESULT wxWindow::MSWWindowProc(WXUINT message, WXWPARAM wParam, WXLPARAM lParam) |
| 1343 | { |
| 1344 | if ( message == WM_NCHITTEST ) |
| 1345 | { |
| 1346 | // the windows which contain the other windows should let the mouse |
| 1347 | // events through, otherwise a window inside a static box would |
| 1348 | // never get any events at all |
| 1349 | if ( IsStaticBox() ) |
| 1350 | { |
| 1351 | return HTTRANSPARENT; |
| 1352 | } |
| 1353 | } |
| 1354 | |
| 1355 | return wxWindowNative::MSWWindowProc(message, wParam, lParam); |
| 1356 | } |
| 1357 | |
| 1358 | #endif // __WXMSW__ |
| 1359 | |