| 1 | /////////////////////////////////////////////////////////////////////////////// |
| 2 | // Name: src/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 | // For compilers that support precompilation, includes "wx.h". |
| 21 | #include "wx/wxprec.h" |
| 22 | |
| 23 | #ifdef __BORLANDC__ |
| 24 | #pragma hdrstop |
| 25 | #endif |
| 26 | |
| 27 | #include "wx/window.h" |
| 28 | |
| 29 | #ifndef WX_PRECOMP |
| 30 | #include "wx/app.h" |
| 31 | #include "wx/dcclient.h" |
| 32 | #include "wx/dcmemory.h" |
| 33 | #include "wx/event.h" |
| 34 | #include "wx/scrolbar.h" |
| 35 | #include "wx/menu.h" |
| 36 | #include "wx/frame.h" |
| 37 | #include "wx/log.h" |
| 38 | #include "wx/button.h" |
| 39 | #endif // WX_PRECOMP |
| 40 | |
| 41 | #include "wx/univ/colschem.h" |
| 42 | #include "wx/univ/renderer.h" |
| 43 | #include "wx/univ/theme.h" |
| 44 | |
| 45 | |
| 46 | #if wxUSE_CARET |
| 47 | #include "wx/caret.h" |
| 48 | #endif // wxUSE_CARET |
| 49 | |
| 50 | #if wxDEBUG_LEVEL >= 2 |
| 51 | // turn Refresh() debugging on/off |
| 52 | #define WXDEBUG_REFRESH |
| 53 | #endif |
| 54 | |
| 55 | #if defined(WXDEBUG_REFRESH) && defined(__WXMSW__) && !defined(__WXMICROWIN__) |
| 56 | #include "wx/msw/private.h" |
| 57 | #endif |
| 58 | |
| 59 | // ============================================================================ |
| 60 | // implementation |
| 61 | // ============================================================================ |
| 62 | |
| 63 | // ---------------------------------------------------------------------------- |
| 64 | // scrollbars class |
| 65 | // ---------------------------------------------------------------------------- |
| 66 | |
| 67 | // This is scrollbar class used to implement wxWindow's "built-in" scrollbars; |
| 68 | // unlike the standard wxScrollBar class, this one is positioned outside of its |
| 69 | // parent's client area |
| 70 | class wxWindowScrollBar : public wxScrollBar |
| 71 | { |
| 72 | public: |
| 73 | wxWindowScrollBar(wxWindow *parent, |
| 74 | wxWindowID id, |
| 75 | const wxPoint& pos = wxDefaultPosition, |
| 76 | const wxSize& size = wxDefaultSize, |
| 77 | long style = wxSB_HORIZONTAL) |
| 78 | : wxScrollBar(parent, id, pos, size, style) |
| 79 | { |
| 80 | } |
| 81 | |
| 82 | virtual bool CanBeOutsideClientArea() const { return true; } |
| 83 | }; |
| 84 | |
| 85 | |
| 86 | // ---------------------------------------------------------------------------- |
| 87 | // event tables |
| 88 | // ---------------------------------------------------------------------------- |
| 89 | |
| 90 | // we can't use wxWindowNative here as it won't be expanded inside the macro |
| 91 | #if defined(__WXMSW__) |
| 92 | IMPLEMENT_DYNAMIC_CLASS(wxWindow, wxWindowMSW) |
| 93 | #elif defined(__WXGTK__) |
| 94 | IMPLEMENT_DYNAMIC_CLASS(wxWindow, wxWindowGTK) |
| 95 | #elif defined(__WXOSX_OR_COCOA__) |
| 96 | IMPLEMENT_DYNAMIC_CLASS(wxWindow, wxWindowMac) |
| 97 | #elif defined(__WXMGL__) |
| 98 | IMPLEMENT_DYNAMIC_CLASS(wxWindow, wxWindowMGL) |
| 99 | #elif defined(__WXDFB__) |
| 100 | IMPLEMENT_DYNAMIC_CLASS(wxWindow, wxWindowDFB) |
| 101 | #elif defined(__WXX11__) |
| 102 | IMPLEMENT_DYNAMIC_CLASS(wxWindow, wxWindowX11) |
| 103 | #elif defined(__WXPM__) |
| 104 | IMPLEMENT_DYNAMIC_CLASS(wxWindow, wxWindowOS2) |
| 105 | #endif |
| 106 | |
| 107 | BEGIN_EVENT_TABLE(wxWindow, wxWindowNative) |
| 108 | EVT_SIZE(wxWindow::OnSize) |
| 109 | |
| 110 | #if wxUSE_ACCEL || wxUSE_MENUS |
| 111 | EVT_KEY_DOWN(wxWindow::OnKeyDown) |
| 112 | #endif // wxUSE_ACCEL |
| 113 | |
| 114 | #if wxUSE_MENUS |
| 115 | EVT_CHAR(wxWindow::OnChar) |
| 116 | EVT_KEY_UP(wxWindow::OnKeyUp) |
| 117 | #endif // wxUSE_MENUS |
| 118 | |
| 119 | EVT_PAINT(wxWindow::OnPaint) |
| 120 | EVT_NC_PAINT(wxWindow::OnNcPaint) |
| 121 | EVT_ERASE_BACKGROUND(wxWindow::OnErase) |
| 122 | END_EVENT_TABLE() |
| 123 | |
| 124 | // ---------------------------------------------------------------------------- |
| 125 | // creation |
| 126 | // ---------------------------------------------------------------------------- |
| 127 | |
| 128 | void wxWindow::Init() |
| 129 | { |
| 130 | #if wxUSE_SCROLLBAR |
| 131 | m_scrollbarVert = |
| 132 | m_scrollbarHorz = NULL; |
| 133 | #endif // wxUSE_SCROLLBAR |
| 134 | |
| 135 | m_isCurrent = false; |
| 136 | |
| 137 | m_renderer = wxTheme::Get()->GetRenderer(); |
| 138 | |
| 139 | m_oldSize.x = wxDefaultCoord; |
| 140 | m_oldSize.y = wxDefaultCoord; |
| 141 | } |
| 142 | |
| 143 | bool wxWindow::Create(wxWindow *parent, |
| 144 | wxWindowID id, |
| 145 | const wxPoint& pos, |
| 146 | const wxSize& size, |
| 147 | long style, |
| 148 | const wxString& name) |
| 149 | { |
| 150 | // Get default border |
| 151 | wxBorder border = GetBorder(style); |
| 152 | style &= ~wxBORDER_MASK; |
| 153 | style |= border; |
| 154 | |
| 155 | long actualStyle = style; |
| 156 | |
| 157 | // we add wxCLIP_CHILDREN to get the same ("natural") behaviour under MSW |
| 158 | // as under the other platforms |
| 159 | actualStyle |= wxCLIP_CHILDREN; |
| 160 | |
| 161 | actualStyle &= ~wxVSCROLL; |
| 162 | actualStyle &= ~wxHSCROLL; |
| 163 | |
| 164 | #ifdef __WXMSW__ |
| 165 | // without this, borders (non-client areas in general) are not repainted |
| 166 | // correctly when resizing; apparently, native NC areas are fully repainted |
| 167 | // even without this style by MSW, but wxUniv implements client area |
| 168 | // itself, so it doesn't work correctly for us |
| 169 | // |
| 170 | // FIXME: this is very expensive, we need to fix the (commented-out) code |
| 171 | // in OnSize() instead |
| 172 | actualStyle |= wxFULL_REPAINT_ON_RESIZE; |
| 173 | #endif |
| 174 | |
| 175 | if ( !wxWindowNative::Create(parent, id, pos, size, actualStyle, name) ) |
| 176 | return false; |
| 177 | |
| 178 | // Set full style again, including those we didn't want present |
| 179 | // when calling the base window Create(). |
| 180 | wxWindowBase::SetWindowStyleFlag(style); |
| 181 | |
| 182 | // if we allow or should always have a vertical scrollbar, make it |
| 183 | if ( style & wxVSCROLL || style & wxALWAYS_SHOW_SB ) |
| 184 | { |
| 185 | #if wxUSE_TWO_WINDOWS |
| 186 | SetInsertIntoMain( true ); |
| 187 | #endif |
| 188 | #if wxUSE_SCROLLBAR |
| 189 | m_scrollbarVert = new wxWindowScrollBar(this, wxID_ANY, |
| 190 | wxDefaultPosition, wxDefaultSize, |
| 191 | wxSB_VERTICAL); |
| 192 | #endif // wxUSE_SCROLLBAR |
| 193 | #if wxUSE_TWO_WINDOWS |
| 194 | SetInsertIntoMain( false ); |
| 195 | #endif |
| 196 | } |
| 197 | |
| 198 | // if we should allow a horizontal scrollbar, make it |
| 199 | if ( style & wxHSCROLL ) |
| 200 | { |
| 201 | #if wxUSE_TWO_WINDOWS |
| 202 | SetInsertIntoMain( true ); |
| 203 | #endif |
| 204 | #if wxUSE_SCROLLBAR |
| 205 | m_scrollbarHorz = new wxWindowScrollBar(this, wxID_ANY, |
| 206 | wxDefaultPosition, wxDefaultSize, |
| 207 | wxSB_HORIZONTAL); |
| 208 | #endif // wxUSE_SCROLLBAR |
| 209 | #if wxUSE_TWO_WINDOWS |
| 210 | SetInsertIntoMain( false ); |
| 211 | #endif |
| 212 | } |
| 213 | |
| 214 | #if wxUSE_SCROLLBAR |
| 215 | if (m_scrollbarHorz || m_scrollbarVert) |
| 216 | { |
| 217 | // position it/them |
| 218 | PositionScrollbars(); |
| 219 | } |
| 220 | #endif // wxUSE_SCROLLBAR |
| 221 | |
| 222 | return true; |
| 223 | } |
| 224 | |
| 225 | wxWindow::~wxWindow() |
| 226 | { |
| 227 | SendDestroyEvent(); |
| 228 | |
| 229 | #if wxUSE_SCROLLBAR |
| 230 | // clear pointers to scrollbar before deleting the children: they are |
| 231 | // children and so will be deleted by DestroyChildren() call below and if |
| 232 | // any code using the scrollbars would be called in the process or from |
| 233 | // ~wxWindowBase, the app would crash: |
| 234 | m_scrollbarVert = m_scrollbarHorz = NULL; |
| 235 | #endif |
| 236 | |
| 237 | // we have to destroy our children before we're destroyed because our |
| 238 | // children suppose that we're of type wxWindow, not just wxWindowNative, |
| 239 | // and so bad things may happen if they're deleted from the base class dtor |
| 240 | // as by then we're not a wxWindow any longer and wxUniv-specific virtual |
| 241 | // functions can't be called |
| 242 | DestroyChildren(); |
| 243 | } |
| 244 | |
| 245 | // ---------------------------------------------------------------------------- |
| 246 | // background pixmap |
| 247 | // ---------------------------------------------------------------------------- |
| 248 | |
| 249 | void wxWindow::SetBackground(const wxBitmap& bitmap, |
| 250 | int alignment, |
| 251 | wxStretch stretch) |
| 252 | { |
| 253 | m_bitmapBg = bitmap; |
| 254 | m_alignBgBitmap = alignment; |
| 255 | m_stretchBgBitmap = stretch; |
| 256 | } |
| 257 | |
| 258 | const wxBitmap& wxWindow::GetBackgroundBitmap(int *alignment, |
| 259 | wxStretch *stretch) const |
| 260 | { |
| 261 | if ( m_bitmapBg.Ok() ) |
| 262 | { |
| 263 | if ( alignment ) |
| 264 | *alignment = m_alignBgBitmap; |
| 265 | if ( stretch ) |
| 266 | *stretch = m_stretchBgBitmap; |
| 267 | } |
| 268 | |
| 269 | return m_bitmapBg; |
| 270 | } |
| 271 | |
| 272 | // ---------------------------------------------------------------------------- |
| 273 | // painting |
| 274 | // ---------------------------------------------------------------------------- |
| 275 | |
| 276 | // the event handlers executed when the window must be repainted |
| 277 | void wxWindow::OnNcPaint(wxNcPaintEvent& WXUNUSED(event)) |
| 278 | { |
| 279 | if ( m_renderer ) |
| 280 | { |
| 281 | // get the window rect |
| 282 | wxRect rect(GetSize()); |
| 283 | |
| 284 | #if wxUSE_SCROLLBAR |
| 285 | // if the scrollbars are outside the border, we must adjust the rect to |
| 286 | // exclude them |
| 287 | if ( !m_renderer->AreScrollbarsInsideBorder() ) |
| 288 | { |
| 289 | wxScrollBar *scrollbar = GetScrollbar(wxVERTICAL); |
| 290 | if ( scrollbar ) |
| 291 | rect.width -= scrollbar->GetSize().x; |
| 292 | |
| 293 | scrollbar = GetScrollbar(wxHORIZONTAL); |
| 294 | if ( scrollbar ) |
| 295 | rect.height -= scrollbar->GetSize().y; |
| 296 | } |
| 297 | #endif // wxUSE_SCROLLBAR |
| 298 | |
| 299 | // get the DC and draw the border on it |
| 300 | wxWindowDC dc(this); |
| 301 | DoDrawBorder(dc, rect); |
| 302 | } |
| 303 | } |
| 304 | |
| 305 | void wxWindow::OnPaint(wxPaintEvent& event) |
| 306 | { |
| 307 | if ( !m_renderer ) |
| 308 | { |
| 309 | // it is a native control which paints itself |
| 310 | event.Skip(); |
| 311 | } |
| 312 | else |
| 313 | { |
| 314 | // get the DC to use and create renderer on it |
| 315 | wxPaintDC dc(this); |
| 316 | wxControlRenderer renderer(this, dc, m_renderer); |
| 317 | |
| 318 | // draw the control |
| 319 | DoDraw(&renderer); |
| 320 | } |
| 321 | } |
| 322 | |
| 323 | // the event handler executed when the window background must be painted |
| 324 | void wxWindow::OnErase(wxEraseEvent& event) |
| 325 | { |
| 326 | if ( !m_renderer ) |
| 327 | { |
| 328 | event.Skip(); |
| 329 | |
| 330 | return; |
| 331 | } |
| 332 | |
| 333 | DoDrawBackground(*event.GetDC()); |
| 334 | |
| 335 | #if wxUSE_SCROLLBAR |
| 336 | // if we have both scrollbars, we also have a square in the corner between |
| 337 | // them which we must paint |
| 338 | if ( m_scrollbarVert && m_scrollbarHorz ) |
| 339 | { |
| 340 | wxSize size = GetSize(); |
| 341 | wxRect rectClient = GetClientRect(), |
| 342 | rectBorder = m_renderer->GetBorderDimensions(GetBorder()); |
| 343 | |
| 344 | wxRect rectCorner; |
| 345 | rectCorner.x = rectClient.GetRight() + 1; |
| 346 | rectCorner.y = rectClient.GetBottom() + 1; |
| 347 | rectCorner.SetRight(size.x - rectBorder.width); |
| 348 | rectCorner.SetBottom(size.y - rectBorder.height); |
| 349 | |
| 350 | if ( GetUpdateRegion().Contains(rectCorner) ) |
| 351 | { |
| 352 | m_renderer->DrawScrollCorner(*event.GetDC(), rectCorner); |
| 353 | } |
| 354 | } |
| 355 | #endif // wxUSE_SCROLLBAR |
| 356 | } |
| 357 | |
| 358 | bool wxWindow::DoDrawBackground(wxDC& dc) |
| 359 | { |
| 360 | wxRect rect; |
| 361 | |
| 362 | wxSize size = GetSize(); // Why not GetClientSize() ? |
| 363 | rect.x = 0; |
| 364 | rect.y = 0; |
| 365 | rect.width = size.x; |
| 366 | rect.height = size.y; |
| 367 | |
| 368 | wxWindow * const parent = GetParent(); |
| 369 | if ( HasTransparentBackground() && !UseBgCol() && parent ) |
| 370 | { |
| 371 | // DirectFB paints the parent first, then its child windows, so by |
| 372 | // the time this code is called, parent's background was already |
| 373 | // drawn and there's no point in (imperfectly!) duplicating the work |
| 374 | // here: |
| 375 | #ifndef __WXDFB__ |
| 376 | wxASSERT( !IsTopLevel() ); |
| 377 | |
| 378 | wxPoint pos = GetPosition(); |
| 379 | |
| 380 | AdjustForParentClientOrigin( pos.x, pos.y, 0 ); |
| 381 | |
| 382 | // Adjust DC logical origin |
| 383 | wxCoord org_x, org_y, x, y; |
| 384 | dc.GetLogicalOrigin( &org_x, &org_y ); |
| 385 | x = org_x + pos.x; |
| 386 | y = org_y + pos.y; |
| 387 | dc.SetLogicalOrigin( x, y ); |
| 388 | |
| 389 | // Adjust draw rect |
| 390 | rect.x = pos.x; |
| 391 | rect.y = pos.y; |
| 392 | |
| 393 | // Let parent draw the background |
| 394 | parent->EraseBackground( dc, rect ); |
| 395 | |
| 396 | // Restore DC logical origin |
| 397 | dc.SetLogicalOrigin( org_x, org_y ); |
| 398 | #endif // !__WXDFB__ |
| 399 | } |
| 400 | else |
| 401 | { |
| 402 | // Draw background ourselves |
| 403 | EraseBackground( dc, rect ); |
| 404 | } |
| 405 | |
| 406 | return true; |
| 407 | } |
| 408 | |
| 409 | void wxWindow::EraseBackground(wxDC& dc, const wxRect& rect) |
| 410 | { |
| 411 | if ( GetBackgroundBitmap().Ok() ) |
| 412 | { |
| 413 | // Get the bitmap and the flags |
| 414 | int alignment; |
| 415 | wxStretch stretch; |
| 416 | wxBitmap bmp = GetBackgroundBitmap(&alignment, &stretch); |
| 417 | wxControlRenderer::DrawBitmap(dc, bmp, rect, alignment, stretch); |
| 418 | } |
| 419 | else |
| 420 | { |
| 421 | // Just fill it with bg colour if no bitmap |
| 422 | |
| 423 | m_renderer->DrawBackground(dc, wxTHEME_BG_COLOUR(this), |
| 424 | rect, GetStateFlags()); |
| 425 | } |
| 426 | } |
| 427 | |
| 428 | void wxWindow::DoDrawBorder(wxDC& dc, const wxRect& rect) |
| 429 | { |
| 430 | // draw outline unless the update region is enitrely inside it in which |
| 431 | // case we don't need to do it |
| 432 | #if 0 // doesn't seem to work, why? |
| 433 | if ( wxRegion(rect).Contains(GetUpdateRegion().GetBox()) != wxInRegion ) |
| 434 | #endif |
| 435 | { |
| 436 | m_renderer->DrawBorder(dc, GetBorder(), rect, GetStateFlags()); |
| 437 | } |
| 438 | } |
| 439 | |
| 440 | void wxWindow::DoDraw(wxControlRenderer * WXUNUSED(renderer)) |
| 441 | { |
| 442 | } |
| 443 | |
| 444 | void wxWindow::Refresh(bool eraseBackground, const wxRect *rect) |
| 445 | { |
| 446 | wxRect rectClient; // the same rectangle in client coordinates |
| 447 | wxPoint origin = GetClientAreaOrigin(); |
| 448 | |
| 449 | wxSize size = GetClientSize(); |
| 450 | |
| 451 | if ( rect ) |
| 452 | { |
| 453 | // the rectangle passed as argument is in client coordinates |
| 454 | rectClient = *rect; |
| 455 | |
| 456 | // don't refresh anything beyond the client area (scrollbars for |
| 457 | // example) |
| 458 | if ( rectClient.GetRight() > size.x ) |
| 459 | rectClient.SetRight(size.x); |
| 460 | if ( rectClient.GetBottom() > size.y ) |
| 461 | rectClient.SetBottom(size.y); |
| 462 | |
| 463 | } |
| 464 | else // refresh the entire client area |
| 465 | { |
| 466 | // x,y is already set to 0 by default |
| 467 | rectClient.SetSize(size); |
| 468 | } |
| 469 | |
| 470 | // convert refresh rectangle to window coordinates: |
| 471 | wxRect rectWin(rectClient); |
| 472 | rectWin.Offset(origin); |
| 473 | |
| 474 | // debugging helper |
| 475 | #ifdef WXDEBUG_REFRESH |
| 476 | static bool s_refreshDebug = false; |
| 477 | if ( s_refreshDebug ) |
| 478 | { |
| 479 | wxWindowDC dc(this); |
| 480 | dc.SetBrush(*wxCYAN_BRUSH); |
| 481 | dc.SetPen(*wxTRANSPARENT_PEN); |
| 482 | dc.DrawRectangle(rectWin); |
| 483 | |
| 484 | // under Unix we use "--sync" X option for this |
| 485 | #if defined(__WXMSW__) && !defined(__WXMICROWIN__) |
| 486 | ::GdiFlush(); |
| 487 | ::Sleep(200); |
| 488 | #endif // __WXMSW__ |
| 489 | } |
| 490 | #endif // WXDEBUG_REFRESH |
| 491 | |
| 492 | wxWindowNative::Refresh(eraseBackground, &rectWin); |
| 493 | |
| 494 | // Refresh all sub controls if any. |
| 495 | wxWindowList& children = GetChildren(); |
| 496 | for ( wxWindowList::iterator i = children.begin(); i != children.end(); ++i ) |
| 497 | { |
| 498 | wxWindow *child = *i; |
| 499 | // only refresh subcontrols if they are visible: |
| 500 | if ( child->IsTopLevel() || !child->IsShown() || child->IsFrozen() ) |
| 501 | continue; |
| 502 | |
| 503 | // ...and when the subcontrols are in the update region: |
| 504 | wxRect childrect(child->GetRect()); |
| 505 | childrect.Intersect(rectClient); |
| 506 | if ( childrect.IsEmpty() ) |
| 507 | continue; |
| 508 | |
| 509 | // refresh the subcontrol now: |
| 510 | childrect.Offset(-child->GetPosition()); |
| 511 | // NB: We must call wxWindowNative version because we need to refresh |
| 512 | // the entire control, not just its client area, and this is why we |
| 513 | // don't account for child client area origin here neither. Also |
| 514 | // note that we don't pass eraseBackground to the child, but use |
| 515 | // true instead: this is because we can't be sure that |
| 516 | // eraseBackground=false is safe for children as well and not only |
| 517 | // for the parent. |
| 518 | child->wxWindowNative::Refresh(eraseBackground, &childrect); |
| 519 | } |
| 520 | } |
| 521 | |
| 522 | // ---------------------------------------------------------------------------- |
| 523 | // state flags |
| 524 | // ---------------------------------------------------------------------------- |
| 525 | |
| 526 | bool wxWindow::Enable(bool enable) |
| 527 | { |
| 528 | if ( !wxWindowNative::Enable(enable) ) |
| 529 | return false; |
| 530 | |
| 531 | // disabled window can't keep focus |
| 532 | if ( FindFocus() == this && GetParent() != NULL ) |
| 533 | { |
| 534 | GetParent()->SetFocus(); |
| 535 | } |
| 536 | |
| 537 | if ( m_renderer ) |
| 538 | { |
| 539 | // a window with renderer is drawn by ourselves and it has to be |
| 540 | // refreshed to reflect its new status |
| 541 | Refresh(); |
| 542 | } |
| 543 | |
| 544 | return true; |
| 545 | } |
| 546 | |
| 547 | bool wxWindow::IsFocused() const |
| 548 | { |
| 549 | return FindFocus() == this; |
| 550 | } |
| 551 | |
| 552 | bool wxWindow::IsPressed() const |
| 553 | { |
| 554 | return false; |
| 555 | } |
| 556 | |
| 557 | bool wxWindow::IsDefault() const |
| 558 | { |
| 559 | return false; |
| 560 | } |
| 561 | |
| 562 | bool wxWindow::IsCurrent() const |
| 563 | { |
| 564 | return m_isCurrent; |
| 565 | } |
| 566 | |
| 567 | bool wxWindow::SetCurrent(bool doit) |
| 568 | { |
| 569 | if ( doit == m_isCurrent ) |
| 570 | return false; |
| 571 | |
| 572 | m_isCurrent = doit; |
| 573 | |
| 574 | if ( CanBeHighlighted() ) |
| 575 | Refresh(); |
| 576 | |
| 577 | return true; |
| 578 | } |
| 579 | |
| 580 | int wxWindow::GetStateFlags() const |
| 581 | { |
| 582 | int flags = 0; |
| 583 | if ( !IsEnabled() ) |
| 584 | flags |= wxCONTROL_DISABLED; |
| 585 | |
| 586 | // the following states are only possible if our application is active - if |
| 587 | // it is not, even our default/focused controls shouldn't appear as such |
| 588 | if ( wxTheApp->IsActive() ) |
| 589 | { |
| 590 | if ( IsCurrent() ) |
| 591 | flags |= wxCONTROL_CURRENT; |
| 592 | if ( IsFocused() ) |
| 593 | flags |= wxCONTROL_FOCUSED; |
| 594 | if ( IsPressed() ) |
| 595 | flags |= wxCONTROL_PRESSED; |
| 596 | if ( IsDefault() ) |
| 597 | flags |= wxCONTROL_ISDEFAULT; |
| 598 | } |
| 599 | |
| 600 | return flags; |
| 601 | } |
| 602 | |
| 603 | // ---------------------------------------------------------------------------- |
| 604 | // size |
| 605 | // ---------------------------------------------------------------------------- |
| 606 | |
| 607 | void wxWindow::OnSize(wxSizeEvent& event) |
| 608 | { |
| 609 | event.Skip(); |
| 610 | |
| 611 | #if wxUSE_SCROLLBAR |
| 612 | if ( m_scrollbarVert || m_scrollbarHorz ) |
| 613 | { |
| 614 | PositionScrollbars(); |
| 615 | } |
| 616 | #endif // wxUSE_SCROLLBAR |
| 617 | |
| 618 | #if 0 // ndef __WXMSW__ |
| 619 | // Refresh the area (strip) previously occupied by the border |
| 620 | |
| 621 | if ( !HasFlag(wxFULL_REPAINT_ON_RESIZE) && IsShown() ) |
| 622 | { |
| 623 | // This code assumes that wxSizeEvent.GetSize() returns |
| 624 | // the area of the entire window, not just the client |
| 625 | // area. |
| 626 | wxSize newSize = event.GetSize(); |
| 627 | |
| 628 | if (m_oldSize.x == wxDefaultCoord && m_oldSize.y == wxDefaultCoord) |
| 629 | { |
| 630 | m_oldSize = newSize; |
| 631 | return; |
| 632 | } |
| 633 | |
| 634 | if (HasFlag( wxSIMPLE_BORDER )) |
| 635 | { |
| 636 | if (newSize.y > m_oldSize.y) |
| 637 | { |
| 638 | wxRect rect; |
| 639 | rect.x = 0; |
| 640 | rect.width = m_oldSize.x; |
| 641 | rect.y = m_oldSize.y-2; |
| 642 | rect.height = 1; |
| 643 | Refresh( true, &rect ); |
| 644 | } |
| 645 | else if (newSize.y < m_oldSize.y) |
| 646 | { |
| 647 | wxRect rect; |
| 648 | rect.y = newSize.y; |
| 649 | rect.x = 0; |
| 650 | rect.height = 1; |
| 651 | rect.width = newSize.x; |
| 652 | wxWindowNative::Refresh( true, &rect ); |
| 653 | } |
| 654 | |
| 655 | if (newSize.x > m_oldSize.x) |
| 656 | { |
| 657 | wxRect rect; |
| 658 | rect.y = 0; |
| 659 | rect.height = m_oldSize.y; |
| 660 | rect.x = m_oldSize.x-2; |
| 661 | rect.width = 1; |
| 662 | Refresh( true, &rect ); |
| 663 | } |
| 664 | else if (newSize.x < m_oldSize.x) |
| 665 | { |
| 666 | wxRect rect; |
| 667 | rect.x = newSize.x; |
| 668 | rect.y = 0; |
| 669 | rect.width = 1; |
| 670 | rect.height = newSize.y; |
| 671 | wxWindowNative::Refresh( true, &rect ); |
| 672 | } |
| 673 | } |
| 674 | else |
| 675 | if (HasFlag( wxSUNKEN_BORDER ) || HasFlag( wxRAISED_BORDER ) || HasFlag( wxBORDER_THEME )) |
| 676 | { |
| 677 | if (newSize.y > m_oldSize.y) |
| 678 | { |
| 679 | wxRect rect; |
| 680 | rect.x = 0; |
| 681 | rect.width = m_oldSize.x; |
| 682 | rect.y = m_oldSize.y-4; |
| 683 | rect.height = 2; |
| 684 | Refresh( true, &rect ); |
| 685 | } |
| 686 | else if (newSize.y < m_oldSize.y) |
| 687 | { |
| 688 | wxRect rect; |
| 689 | rect.y = newSize.y; |
| 690 | rect.x = 0; |
| 691 | rect.height = 2; |
| 692 | rect.width = newSize.x; |
| 693 | wxWindowNative::Refresh( true, &rect ); |
| 694 | } |
| 695 | |
| 696 | if (newSize.x > m_oldSize.x) |
| 697 | { |
| 698 | wxRect rect; |
| 699 | rect.y = 0; |
| 700 | rect.height = m_oldSize.y; |
| 701 | rect.x = m_oldSize.x-4; |
| 702 | rect.width = 2; |
| 703 | Refresh( true, &rect ); |
| 704 | } |
| 705 | else if (newSize.x < m_oldSize.x) |
| 706 | { |
| 707 | wxRect rect; |
| 708 | rect.x = newSize.x; |
| 709 | rect.y = 0; |
| 710 | rect.width = 2; |
| 711 | rect.height = newSize.y; |
| 712 | wxWindowNative::Refresh( true, &rect ); |
| 713 | } |
| 714 | } |
| 715 | |
| 716 | m_oldSize = newSize; |
| 717 | } |
| 718 | #endif |
| 719 | } |
| 720 | |
| 721 | wxSize wxWindow::DoGetBestSize() const |
| 722 | { |
| 723 | return AdjustSize(DoGetBestClientSize()); |
| 724 | } |
| 725 | |
| 726 | wxSize wxWindow::DoGetBestClientSize() const |
| 727 | { |
| 728 | return wxWindowNative::DoGetBestSize(); |
| 729 | } |
| 730 | |
| 731 | wxSize wxWindow::AdjustSize(const wxSize& size) const |
| 732 | { |
| 733 | wxSize sz = size; |
| 734 | if ( m_renderer ) |
| 735 | m_renderer->AdjustSize(&sz, this); |
| 736 | return sz; |
| 737 | } |
| 738 | |
| 739 | wxPoint wxWindow::GetClientAreaOrigin() const |
| 740 | { |
| 741 | wxPoint pt = wxWindowBase::GetClientAreaOrigin(); |
| 742 | |
| 743 | #if wxUSE_TWO_WINDOWS |
| 744 | #else |
| 745 | if ( m_renderer ) |
| 746 | pt += m_renderer->GetBorderDimensions(GetBorder()).GetPosition(); |
| 747 | #endif |
| 748 | |
| 749 | return pt; |
| 750 | } |
| 751 | |
| 752 | void wxWindow::DoGetClientSize(int *width, int *height) const |
| 753 | { |
| 754 | // if it is a native window, we assume it handles the scrollbars itself |
| 755 | // too - and if it doesn't, there is not much we can do |
| 756 | if ( !m_renderer ) |
| 757 | { |
| 758 | wxWindowNative::DoGetClientSize(width, height); |
| 759 | |
| 760 | return; |
| 761 | } |
| 762 | |
| 763 | int w, h; |
| 764 | wxWindowNative::DoGetClientSize(&w, &h); |
| 765 | |
| 766 | // we assume that the scrollbars are positioned correctly (by a previous |
| 767 | // call to PositionScrollbars()) here |
| 768 | |
| 769 | wxRect rectBorder; |
| 770 | if ( m_renderer ) |
| 771 | rectBorder = m_renderer->GetBorderDimensions(GetBorder()); |
| 772 | |
| 773 | if ( width ) |
| 774 | { |
| 775 | #if wxUSE_SCROLLBAR |
| 776 | // in any case, take account of the scrollbar |
| 777 | if ( m_scrollbarVert ) |
| 778 | w -= m_scrollbarVert->GetSize().x; |
| 779 | #endif // wxUSE_SCROLLBAR |
| 780 | |
| 781 | // account for the left and right borders |
| 782 | *width = w - rectBorder.x - rectBorder.width; |
| 783 | |
| 784 | // we shouldn't return invalid width |
| 785 | if ( *width < 0 ) |
| 786 | *width = 0; |
| 787 | } |
| 788 | |
| 789 | if ( height ) |
| 790 | { |
| 791 | #if wxUSE_SCROLLBAR |
| 792 | if ( m_scrollbarHorz ) |
| 793 | h -= m_scrollbarHorz->GetSize().y; |
| 794 | #endif // wxUSE_SCROLLBAR |
| 795 | |
| 796 | *height = h - rectBorder.y - rectBorder.height; |
| 797 | |
| 798 | // we shouldn't return invalid height |
| 799 | if ( *height < 0 ) |
| 800 | *height = 0; |
| 801 | } |
| 802 | } |
| 803 | |
| 804 | void wxWindow::DoSetClientSize(int width, int height) |
| 805 | { |
| 806 | // take into account the borders |
| 807 | wxRect rectBorder = m_renderer->GetBorderDimensions(GetBorder()); |
| 808 | width += rectBorder.x; |
| 809 | height += rectBorder.y; |
| 810 | |
| 811 | // and the scrollbars (as they may be offset into the border, use the |
| 812 | // scrollbar position, not size - this supposes that PositionScrollbars() |
| 813 | // had been called before) |
| 814 | wxSize size = GetSize(); |
| 815 | #if wxUSE_SCROLLBAR |
| 816 | if ( m_scrollbarVert ) |
| 817 | width += size.x - m_scrollbarVert->GetPosition().x; |
| 818 | #endif // wxUSE_SCROLLBAR |
| 819 | width += rectBorder.width; |
| 820 | |
| 821 | #if wxUSE_SCROLLBAR |
| 822 | if ( m_scrollbarHorz ) |
| 823 | height += size.y - m_scrollbarHorz->GetPosition().y; |
| 824 | #endif // wxUSE_SCROLLBAR |
| 825 | height += rectBorder.height; |
| 826 | |
| 827 | wxWindowNative::DoSetClientSize(width, height); |
| 828 | } |
| 829 | |
| 830 | wxHitTest wxWindow::DoHitTest(wxCoord x, wxCoord y) const |
| 831 | { |
| 832 | wxHitTest ht = wxWindowNative::DoHitTest(x, y); |
| 833 | |
| 834 | #if wxUSE_SCROLLBAR |
| 835 | if ( ht == wxHT_WINDOW_INSIDE ) |
| 836 | { |
| 837 | if ( m_scrollbarVert && x >= m_scrollbarVert->GetPosition().x ) |
| 838 | { |
| 839 | // it can still be changed below because it may also be the corner |
| 840 | ht = wxHT_WINDOW_VERT_SCROLLBAR; |
| 841 | } |
| 842 | |
| 843 | if ( m_scrollbarHorz && y >= m_scrollbarHorz->GetPosition().y ) |
| 844 | { |
| 845 | ht = ht == wxHT_WINDOW_VERT_SCROLLBAR ? wxHT_WINDOW_CORNER |
| 846 | : wxHT_WINDOW_HORZ_SCROLLBAR; |
| 847 | } |
| 848 | } |
| 849 | #endif // wxUSE_SCROLLBAR |
| 850 | |
| 851 | return ht; |
| 852 | } |
| 853 | |
| 854 | // ---------------------------------------------------------------------------- |
| 855 | // scrolling: we implement it entirely ourselves except for ScrollWindow() |
| 856 | // function which is supposed to be (efficiently) implemented by the native |
| 857 | // window class |
| 858 | // ---------------------------------------------------------------------------- |
| 859 | |
| 860 | void wxWindow::RefreshScrollbars() |
| 861 | { |
| 862 | #if wxUSE_SCROLLBAR |
| 863 | if ( m_scrollbarHorz ) |
| 864 | m_scrollbarHorz->Refresh(); |
| 865 | |
| 866 | if ( m_scrollbarVert ) |
| 867 | m_scrollbarVert->Refresh(); |
| 868 | #endif // wxUSE_SCROLLBAR |
| 869 | } |
| 870 | |
| 871 | void wxWindow::PositionScrollbars() |
| 872 | { |
| 873 | #if wxUSE_SCROLLBAR |
| 874 | // do not use GetClientSize/Rect as it relies on the scrollbars being |
| 875 | // correctly positioned |
| 876 | |
| 877 | wxSize size = GetSize(); |
| 878 | wxBorder border = GetBorder(); |
| 879 | wxRect rectBorder = m_renderer->GetBorderDimensions(border); |
| 880 | bool inside = m_renderer->AreScrollbarsInsideBorder(); |
| 881 | |
| 882 | int height = m_scrollbarHorz ? m_scrollbarHorz->GetSize().y : 0; |
| 883 | int width = m_scrollbarVert ? m_scrollbarVert->GetSize().x : 0; |
| 884 | |
| 885 | wxRect rectBar; |
| 886 | if ( m_scrollbarVert ) |
| 887 | { |
| 888 | rectBar.x = size.x - width; |
| 889 | if ( inside ) |
| 890 | rectBar.x -= rectBorder.width; |
| 891 | rectBar.width = width; |
| 892 | rectBar.y = 0; |
| 893 | if ( inside ) |
| 894 | rectBar.y += rectBorder.y; |
| 895 | rectBar.height = size.y - height; |
| 896 | if ( inside ) |
| 897 | rectBar.height -= rectBorder.y + rectBorder.height; |
| 898 | |
| 899 | m_scrollbarVert->SetSize(rectBar, wxSIZE_NO_ADJUSTMENTS); |
| 900 | } |
| 901 | |
| 902 | if ( m_scrollbarHorz ) |
| 903 | { |
| 904 | rectBar.y = size.y - height; |
| 905 | if ( inside ) |
| 906 | rectBar.y -= rectBorder.height; |
| 907 | rectBar.height = height; |
| 908 | rectBar.x = 0; |
| 909 | if ( inside ) |
| 910 | rectBar.x += rectBorder.x; |
| 911 | rectBar.width = size.x - width; |
| 912 | if ( inside ) |
| 913 | rectBar.width -= rectBorder.x + rectBorder.width; |
| 914 | |
| 915 | m_scrollbarHorz->SetSize(rectBar, wxSIZE_NO_ADJUSTMENTS); |
| 916 | } |
| 917 | |
| 918 | RefreshScrollbars(); |
| 919 | #endif // wxUSE_SCROLLBAR |
| 920 | } |
| 921 | |
| 922 | void wxWindow::SetScrollbar(int orient, |
| 923 | int pos, |
| 924 | int pageSize, |
| 925 | int range, |
| 926 | bool refresh) |
| 927 | { |
| 928 | #if wxUSE_SCROLLBAR |
| 929 | wxASSERT_MSG( pageSize <= range, |
| 930 | wxT("page size can't be greater than range") ); |
| 931 | |
| 932 | bool hasClientSizeChanged = false; |
| 933 | wxScrollBar *scrollbar = GetScrollbar(orient); |
| 934 | if ( range && (pageSize < range) ) |
| 935 | { |
| 936 | if ( !scrollbar ) |
| 937 | { |
| 938 | // create it |
| 939 | #if wxUSE_TWO_WINDOWS |
| 940 | SetInsertIntoMain( true ); |
| 941 | #endif |
| 942 | scrollbar = new wxWindowScrollBar(this, wxID_ANY, |
| 943 | wxDefaultPosition, wxDefaultSize, |
| 944 | orient & wxVERTICAL ? wxSB_VERTICAL |
| 945 | : wxSB_HORIZONTAL); |
| 946 | #if wxUSE_TWO_WINDOWS |
| 947 | SetInsertIntoMain( false ); |
| 948 | #endif |
| 949 | if ( orient & wxVERTICAL ) |
| 950 | m_scrollbarVert = scrollbar; |
| 951 | else |
| 952 | m_scrollbarHorz = scrollbar; |
| 953 | |
| 954 | // the client area diminished as we created a scrollbar |
| 955 | hasClientSizeChanged = true; |
| 956 | |
| 957 | PositionScrollbars(); |
| 958 | } |
| 959 | else if ( GetWindowStyle() & wxALWAYS_SHOW_SB ) |
| 960 | { |
| 961 | // we might have disabled it before |
| 962 | scrollbar->Enable(); |
| 963 | } |
| 964 | |
| 965 | scrollbar->SetScrollbar(pos, pageSize, range, pageSize, refresh); |
| 966 | } |
| 967 | else // no range means no scrollbar |
| 968 | { |
| 969 | if ( scrollbar ) |
| 970 | { |
| 971 | // wxALWAYS_SHOW_SB only applies to the vertical scrollbar |
| 972 | if ( (orient & wxVERTICAL) && (GetWindowStyle() & wxALWAYS_SHOW_SB) ) |
| 973 | { |
| 974 | // just disable the scrollbar |
| 975 | scrollbar->SetScrollbar(pos, pageSize, range, pageSize, refresh); |
| 976 | scrollbar->Disable(); |
| 977 | } |
| 978 | else // really remove the scrollbar |
| 979 | { |
| 980 | delete scrollbar; |
| 981 | |
| 982 | if ( orient & wxVERTICAL ) |
| 983 | m_scrollbarVert = NULL; |
| 984 | else |
| 985 | m_scrollbarHorz = NULL; |
| 986 | |
| 987 | // the client area increased as we removed a scrollbar |
| 988 | hasClientSizeChanged = true; |
| 989 | |
| 990 | // the size of the remaining scrollbar must be adjusted |
| 991 | if ( m_scrollbarHorz || m_scrollbarVert ) |
| 992 | { |
| 993 | PositionScrollbars(); |
| 994 | } |
| 995 | } |
| 996 | } |
| 997 | } |
| 998 | |
| 999 | // give the window a chance to relayout |
| 1000 | if ( hasClientSizeChanged ) |
| 1001 | { |
| 1002 | #if wxUSE_TWO_WINDOWS |
| 1003 | wxWindowNative::SetSize( GetSize() ); |
| 1004 | #else |
| 1005 | wxSizeEvent event(GetSize()); |
| 1006 | (void)GetEventHandler()->ProcessEvent(event); |
| 1007 | #endif |
| 1008 | } |
| 1009 | #else |
| 1010 | wxUnusedVar(orient); |
| 1011 | wxUnusedVar(pos); |
| 1012 | wxUnusedVar(pageSize); |
| 1013 | wxUnusedVar(range); |
| 1014 | wxUnusedVar(refresh); |
| 1015 | #endif // wxUSE_SCROLLBAR |
| 1016 | } |
| 1017 | |
| 1018 | void wxWindow::SetScrollPos(int orient, int pos, bool WXUNUSED(refresh)) |
| 1019 | { |
| 1020 | #if wxUSE_SCROLLBAR |
| 1021 | wxScrollBar *scrollbar = GetScrollbar(orient); |
| 1022 | |
| 1023 | if (scrollbar) |
| 1024 | scrollbar->SetThumbPosition(pos); |
| 1025 | |
| 1026 | // VZ: I think we can safely ignore this as we always refresh it |
| 1027 | // automatically whenever the value chanegs |
| 1028 | #if 0 |
| 1029 | if ( refresh ) |
| 1030 | Refresh(); |
| 1031 | #endif |
| 1032 | #else |
| 1033 | wxUnusedVar(orient); |
| 1034 | wxUnusedVar(pos); |
| 1035 | #endif // wxUSE_SCROLLBAR |
| 1036 | } |
| 1037 | |
| 1038 | int wxWindow::GetScrollPos(int orient) const |
| 1039 | { |
| 1040 | #if wxUSE_SCROLLBAR |
| 1041 | wxScrollBar *scrollbar = GetScrollbar(orient); |
| 1042 | return scrollbar ? scrollbar->GetThumbPosition() : 0; |
| 1043 | #else |
| 1044 | wxUnusedVar(orient); |
| 1045 | return 0; |
| 1046 | #endif // wxUSE_SCROLLBAR |
| 1047 | } |
| 1048 | |
| 1049 | int wxWindow::GetScrollThumb(int orient) const |
| 1050 | { |
| 1051 | #if wxUSE_SCROLLBAR |
| 1052 | wxScrollBar *scrollbar = GetScrollbar(orient); |
| 1053 | return scrollbar ? scrollbar->GetThumbSize() : 0; |
| 1054 | #else |
| 1055 | wxUnusedVar(orient); |
| 1056 | return 0; |
| 1057 | #endif // wxUSE_SCROLLBAR |
| 1058 | } |
| 1059 | |
| 1060 | int wxWindow::GetScrollRange(int orient) const |
| 1061 | { |
| 1062 | #if wxUSE_SCROLLBAR |
| 1063 | wxScrollBar *scrollbar = GetScrollbar(orient); |
| 1064 | return scrollbar ? scrollbar->GetRange() : 0; |
| 1065 | #else |
| 1066 | wxUnusedVar(orient); |
| 1067 | return 0; |
| 1068 | #endif // wxUSE_SCROLLBAR |
| 1069 | } |
| 1070 | |
| 1071 | void wxWindow::ScrollWindow(int dx, int dy, const wxRect *rect) |
| 1072 | { |
| 1073 | // use native scrolling when available and do it in generic way |
| 1074 | // otherwise: |
| 1075 | #ifdef __WXX11__ |
| 1076 | |
| 1077 | wxWindowNative::ScrollWindow(dx, dy, rect); |
| 1078 | |
| 1079 | #else // !wxX11 |
| 1080 | |
| 1081 | // before scrolling it, ensure that we don't have any unpainted areas |
| 1082 | Update(); |
| 1083 | |
| 1084 | wxRect r; |
| 1085 | |
| 1086 | if ( dx ) |
| 1087 | { |
| 1088 | r = ScrollNoRefresh(dx, 0, rect); |
| 1089 | Refresh(true /* erase bkgnd */, &r); |
| 1090 | } |
| 1091 | |
| 1092 | if ( dy ) |
| 1093 | { |
| 1094 | r = ScrollNoRefresh(0, dy, rect); |
| 1095 | Refresh(true /* erase bkgnd */, &r); |
| 1096 | } |
| 1097 | |
| 1098 | // scroll children accordingly: |
| 1099 | wxPoint offset(dx, dy); |
| 1100 | |
| 1101 | for (wxWindowList::compatibility_iterator node = GetChildren().GetFirst(); |
| 1102 | node; node = node->GetNext()) |
| 1103 | { |
| 1104 | wxWindow *child = node->GetData(); |
| 1105 | #if wxUSE_SCROLLBAR |
| 1106 | if ( child == m_scrollbarVert || child == m_scrollbarHorz ) |
| 1107 | continue; |
| 1108 | #endif // wxUSE_SCROLLBAR |
| 1109 | |
| 1110 | // VS: Scrolling children has non-trivial semantics. If rect=NULL then |
| 1111 | // it is easy: we scroll all children. Otherwise it gets |
| 1112 | // complicated: |
| 1113 | // 1. if scrolling in one direction only, scroll only |
| 1114 | // those children that intersect shaft defined by the rectangle |
| 1115 | // and scrolling direction |
| 1116 | // 2. if scrolling in both axes, scroll all children |
| 1117 | |
| 1118 | bool shouldMove = false; |
| 1119 | |
| 1120 | if ( rect && (dx * dy == 0 /* moving in only one of x, y axis */) ) |
| 1121 | { |
| 1122 | wxRect childRect = child->GetRect(); |
| 1123 | if ( dx == 0 && (childRect.GetLeft() <= rect->GetRight() || |
| 1124 | childRect.GetRight() >= rect->GetLeft()) ) |
| 1125 | { |
| 1126 | shouldMove = true; |
| 1127 | } |
| 1128 | else if ( dy == 0 && (childRect.GetTop() <= rect->GetBottom() || |
| 1129 | childRect.GetBottom() >= rect->GetTop()) ) |
| 1130 | { |
| 1131 | shouldMove = true; |
| 1132 | } |
| 1133 | // else: child outside of scrolling shaft, don't move |
| 1134 | } |
| 1135 | else // scrolling in both axes or rect=NULL |
| 1136 | { |
| 1137 | shouldMove = true; |
| 1138 | } |
| 1139 | |
| 1140 | if ( shouldMove ) |
| 1141 | child->Move(child->GetPosition() + offset, wxSIZE_ALLOW_MINUS_ONE); |
| 1142 | } |
| 1143 | #endif // wxX11/!wxX11 |
| 1144 | } |
| 1145 | |
| 1146 | wxRect wxWindow::ScrollNoRefresh(int dx, int dy, const wxRect *rectTotal) |
| 1147 | { |
| 1148 | wxASSERT_MSG( !dx || !dy, wxT("can't be used for diag scrolling") ); |
| 1149 | |
| 1150 | // the rect to refresh (which we will calculate) |
| 1151 | wxRect rect; |
| 1152 | |
| 1153 | if ( !dx && !dy ) |
| 1154 | { |
| 1155 | // nothing to do |
| 1156 | return rect; |
| 1157 | } |
| 1158 | |
| 1159 | // calculate the part of the window which we can just redraw in the new |
| 1160 | // location |
| 1161 | wxSize sizeTotal = rectTotal ? rectTotal->GetSize() : GetClientSize(); |
| 1162 | |
| 1163 | wxLogTrace(wxT("scroll"), wxT("rect is %dx%d, scroll by %d, %d"), |
| 1164 | sizeTotal.x, sizeTotal.y, dx, dy); |
| 1165 | |
| 1166 | // the initial and end point of the region we move in client coords |
| 1167 | wxPoint ptSource, ptDest; |
| 1168 | if ( rectTotal ) |
| 1169 | { |
| 1170 | ptSource = rectTotal->GetPosition(); |
| 1171 | ptDest = rectTotal->GetPosition(); |
| 1172 | } |
| 1173 | |
| 1174 | // the size of this region |
| 1175 | wxSize size; |
| 1176 | size.x = sizeTotal.x - abs(dx); |
| 1177 | size.y = sizeTotal.y - abs(dy); |
| 1178 | if ( size.x <= 0 || size.y <= 0 ) |
| 1179 | { |
| 1180 | // just redraw everything as nothing of the displayed image will stay |
| 1181 | wxLogTrace(wxT("scroll"), wxT("refreshing everything")); |
| 1182 | |
| 1183 | rect = rectTotal ? *rectTotal : wxRect(0, 0, sizeTotal.x, sizeTotal.y); |
| 1184 | } |
| 1185 | else // move the part which doesn't change to the new location |
| 1186 | { |
| 1187 | // note that when we scroll the canvas in some direction we move the |
| 1188 | // block which doesn't need to be refreshed in the opposite direction |
| 1189 | |
| 1190 | if ( dx < 0 ) |
| 1191 | { |
| 1192 | // scroll to the right, move to the left |
| 1193 | ptSource.x -= dx; |
| 1194 | } |
| 1195 | else |
| 1196 | { |
| 1197 | // scroll to the left, move to the right |
| 1198 | ptDest.x += dx; |
| 1199 | } |
| 1200 | |
| 1201 | if ( dy < 0 ) |
| 1202 | { |
| 1203 | // scroll down, move up |
| 1204 | ptSource.y -= dy; |
| 1205 | } |
| 1206 | else |
| 1207 | { |
| 1208 | // scroll up, move down |
| 1209 | ptDest.y += dy; |
| 1210 | } |
| 1211 | |
| 1212 | #if wxUSE_CARET |
| 1213 | // we need to hide the caret before moving or it will erase itself at |
| 1214 | // the wrong (old) location |
| 1215 | wxCaret *caret = GetCaret(); |
| 1216 | if ( caret ) |
| 1217 | caret->Hide(); |
| 1218 | #endif // wxUSE_CARET |
| 1219 | |
| 1220 | // do move |
| 1221 | wxClientDC dc(this); |
| 1222 | wxBitmap bmp(size.x, size.y); |
| 1223 | wxMemoryDC dcMem; |
| 1224 | dcMem.SelectObject(bmp); |
| 1225 | |
| 1226 | dcMem.Blit(wxPoint(0,0), size, &dc, ptSource |
| 1227 | #if defined(__WXGTK__) && !defined(wxHAS_WORKING_GTK_DC_BLIT) |
| 1228 | + GetClientAreaOrigin() |
| 1229 | #endif // broken wxGTK wxDC::Blit |
| 1230 | ); |
| 1231 | dc.Blit(ptDest, size, &dcMem, wxPoint(0,0)); |
| 1232 | |
| 1233 | wxLogTrace(wxT("scroll"), |
| 1234 | wxT("Blit: (%d, %d) of size %dx%d -> (%d, %d)"), |
| 1235 | ptSource.x, ptSource.y, |
| 1236 | size.x, size.y, |
| 1237 | ptDest.x, ptDest.y); |
| 1238 | |
| 1239 | // and now repaint the uncovered area |
| 1240 | |
| 1241 | // FIXME: We repaint the intersection of these rectangles twice - is |
| 1242 | // it bad? I don't think so as it is rare to scroll the window |
| 1243 | // diagonally anyhow and so adding extra logic to compute |
| 1244 | // rectangle intersection is probably not worth the effort |
| 1245 | |
| 1246 | rect.x = ptSource.x; |
| 1247 | rect.y = ptSource.y; |
| 1248 | |
| 1249 | if ( dx ) |
| 1250 | { |
| 1251 | if ( dx < 0 ) |
| 1252 | { |
| 1253 | // refresh the area along the right border |
| 1254 | rect.x += size.x + dx; |
| 1255 | rect.width = -dx; |
| 1256 | } |
| 1257 | else |
| 1258 | { |
| 1259 | // refresh the area along the left border |
| 1260 | rect.width = dx; |
| 1261 | } |
| 1262 | |
| 1263 | rect.height = sizeTotal.y; |
| 1264 | |
| 1265 | wxLogTrace(wxT("scroll"), wxT("refreshing (%d, %d)-(%d, %d)"), |
| 1266 | rect.x, rect.y, |
| 1267 | rect.GetRight() + 1, rect.GetBottom() + 1); |
| 1268 | } |
| 1269 | |
| 1270 | if ( dy ) |
| 1271 | { |
| 1272 | if ( dy < 0 ) |
| 1273 | { |
| 1274 | // refresh the area along the bottom border |
| 1275 | rect.y += size.y + dy; |
| 1276 | rect.height = -dy; |
| 1277 | } |
| 1278 | else |
| 1279 | { |
| 1280 | // refresh the area along the top border |
| 1281 | rect.height = dy; |
| 1282 | } |
| 1283 | |
| 1284 | rect.width = sizeTotal.x; |
| 1285 | |
| 1286 | wxLogTrace(wxT("scroll"), wxT("refreshing (%d, %d)-(%d, %d)"), |
| 1287 | rect.x, rect.y, |
| 1288 | rect.GetRight() + 1, rect.GetBottom() + 1); |
| 1289 | } |
| 1290 | |
| 1291 | #if wxUSE_CARET |
| 1292 | if ( caret ) |
| 1293 | caret->Show(); |
| 1294 | #endif // wxUSE_CARET |
| 1295 | } |
| 1296 | |
| 1297 | return rect; |
| 1298 | } |
| 1299 | |
| 1300 | // ---------------------------------------------------------------------------- |
| 1301 | // accelerators and menu hot keys |
| 1302 | // ---------------------------------------------------------------------------- |
| 1303 | |
| 1304 | #if wxUSE_MENUS |
| 1305 | // the last window over which Alt was pressed (used by OnKeyUp) |
| 1306 | wxWindow *wxWindow::ms_winLastAltPress = NULL; |
| 1307 | #endif // wxUSE_MENUS |
| 1308 | |
| 1309 | #if wxUSE_ACCEL || wxUSE_MENUS |
| 1310 | |
| 1311 | void wxWindow::OnKeyDown(wxKeyEvent& event) |
| 1312 | { |
| 1313 | #if wxUSE_MENUS |
| 1314 | int key = event.GetKeyCode(); |
| 1315 | if ( !event.ControlDown() && (key == WXK_ALT || key == WXK_F10) ) |
| 1316 | { |
| 1317 | ms_winLastAltPress = this; |
| 1318 | |
| 1319 | // it can't be an accel anyhow |
| 1320 | return; |
| 1321 | } |
| 1322 | |
| 1323 | ms_winLastAltPress = NULL; |
| 1324 | #endif // wxUSE_MENUS |
| 1325 | |
| 1326 | #if wxUSE_ACCEL |
| 1327 | for ( wxWindow *win = this; win; win = win->GetParent() ) |
| 1328 | { |
| 1329 | int command = win->GetAcceleratorTable()->GetCommand(event); |
| 1330 | if ( command != -1 ) |
| 1331 | { |
| 1332 | wxCommandEvent eventCmd(wxEVT_COMMAND_MENU_SELECTED, command); |
| 1333 | if ( win->GetEventHandler()->ProcessEvent(eventCmd) ) |
| 1334 | { |
| 1335 | // skip "event.Skip()" below |
| 1336 | return; |
| 1337 | } |
| 1338 | } |
| 1339 | |
| 1340 | if ( win->IsTopLevel() ) |
| 1341 | { |
| 1342 | // try the frame menu bar |
| 1343 | #if wxUSE_MENUS |
| 1344 | wxFrame *frame = wxDynamicCast(win, wxFrame); |
| 1345 | if ( frame ) |
| 1346 | { |
| 1347 | wxMenuBar *menubar = frame->GetMenuBar(); |
| 1348 | if ( menubar && menubar->ProcessAccelEvent(event) ) |
| 1349 | { |
| 1350 | // skip "event.Skip()" below |
| 1351 | return; |
| 1352 | } |
| 1353 | } |
| 1354 | #endif // wxUSE_MENUS |
| 1355 | |
| 1356 | #if wxUSE_BUTTON |
| 1357 | // if it wasn't in a menu, try to find a button |
| 1358 | if ( command != -1 ) |
| 1359 | { |
| 1360 | wxWindow* child = win->FindWindow(command); |
| 1361 | if ( child && wxDynamicCast(child, wxButton) ) |
| 1362 | { |
| 1363 | wxCommandEvent eventCmd(wxEVT_COMMAND_BUTTON_CLICKED, command); |
| 1364 | eventCmd.SetEventObject(child); |
| 1365 | if ( child->GetEventHandler()->ProcessEvent(eventCmd) ) |
| 1366 | { |
| 1367 | // skip "event.Skip()" below |
| 1368 | return; |
| 1369 | } |
| 1370 | } |
| 1371 | } |
| 1372 | #endif // wxUSE_BUTTON |
| 1373 | |
| 1374 | // don't propagate accels from the child frame to the parent one |
| 1375 | break; |
| 1376 | } |
| 1377 | } |
| 1378 | #endif // wxUSE_ACCEL |
| 1379 | |
| 1380 | event.Skip(); |
| 1381 | } |
| 1382 | |
| 1383 | #endif // wxUSE_ACCEL |
| 1384 | |
| 1385 | #if wxUSE_MENUS |
| 1386 | |
| 1387 | wxMenuBar *wxWindow::GetParentFrameMenuBar() const |
| 1388 | { |
| 1389 | for ( const wxWindow *win = this; win; win = win->GetParent() ) |
| 1390 | { |
| 1391 | if ( win->IsTopLevel() ) |
| 1392 | { |
| 1393 | wxFrame *frame = wxDynamicCast(win, wxFrame); |
| 1394 | if ( frame ) |
| 1395 | { |
| 1396 | return frame->GetMenuBar(); |
| 1397 | } |
| 1398 | |
| 1399 | // don't look further - we don't want to return the menubar of the |
| 1400 | // parent frame |
| 1401 | break; |
| 1402 | } |
| 1403 | } |
| 1404 | |
| 1405 | return NULL; |
| 1406 | } |
| 1407 | |
| 1408 | void wxWindow::OnChar(wxKeyEvent& event) |
| 1409 | { |
| 1410 | if ( event.AltDown() && !event.ControlDown() ) |
| 1411 | { |
| 1412 | int key = event.GetKeyCode(); |
| 1413 | |
| 1414 | wxMenuBar *menubar = GetParentFrameMenuBar(); |
| 1415 | if ( menubar ) |
| 1416 | { |
| 1417 | int item = menubar->FindNextItemForAccel(-1, key); |
| 1418 | if ( item != -1 ) |
| 1419 | { |
| 1420 | menubar->PopupMenu((size_t)item); |
| 1421 | |
| 1422 | // skip "event.Skip()" below |
| 1423 | return; |
| 1424 | } |
| 1425 | } |
| 1426 | } |
| 1427 | |
| 1428 | // if Return was pressed, see if there's a default button to activate |
| 1429 | if ( !event.HasModifiers() && event.GetKeyCode() == WXK_RETURN ) |
| 1430 | { |
| 1431 | wxTopLevelWindow * |
| 1432 | tlw = wxDynamicCast(wxGetTopLevelParent(this), wxTopLevelWindow); |
| 1433 | if ( tlw ) |
| 1434 | { |
| 1435 | wxButton *btn = wxDynamicCast(tlw->GetDefaultItem(), wxButton); |
| 1436 | if ( btn ) |
| 1437 | { |
| 1438 | wxCommandEvent evt(wxEVT_COMMAND_BUTTON_CLICKED, btn->GetId()); |
| 1439 | evt.SetEventObject(btn); |
| 1440 | btn->Command(evt); |
| 1441 | return; |
| 1442 | } |
| 1443 | } |
| 1444 | } |
| 1445 | |
| 1446 | |
| 1447 | event.Skip(); |
| 1448 | } |
| 1449 | |
| 1450 | void wxWindow::OnKeyUp(wxKeyEvent& event) |
| 1451 | { |
| 1452 | int key = event.GetKeyCode(); |
| 1453 | if ( !event.HasModifiers() && (key == WXK_ALT || key == WXK_F10) ) |
| 1454 | { |
| 1455 | // only process Alt release specially if there were no other key |
| 1456 | // presses since Alt had been pressed and if both events happened in |
| 1457 | // the same window |
| 1458 | if ( ms_winLastAltPress == this ) |
| 1459 | { |
| 1460 | wxMenuBar *menubar = GetParentFrameMenuBar(); |
| 1461 | if ( menubar && this != menubar ) |
| 1462 | { |
| 1463 | menubar->SelectMenu(0); |
| 1464 | } |
| 1465 | } |
| 1466 | } |
| 1467 | else |
| 1468 | { |
| 1469 | event.Skip(); |
| 1470 | } |
| 1471 | |
| 1472 | // in any case reset it |
| 1473 | ms_winLastAltPress = NULL; |
| 1474 | } |
| 1475 | |
| 1476 | #endif // wxUSE_MENUS |
| 1477 | |
| 1478 | // ---------------------------------------------------------------------------- |
| 1479 | // MSW-specific section |
| 1480 | // ---------------------------------------------------------------------------- |
| 1481 | |
| 1482 | #ifdef __WXMSW__ |
| 1483 | |
| 1484 | #include "wx/msw/private.h" |
| 1485 | |
| 1486 | WXLRESULT wxWindow::MSWWindowProc(WXUINT message, WXWPARAM wParam, WXLPARAM lParam) |
| 1487 | { |
| 1488 | if ( message == WM_NCHITTEST ) |
| 1489 | { |
| 1490 | // the windows which contain the other windows should let the mouse |
| 1491 | // events through, otherwise a window inside a static box would |
| 1492 | // never get any events at all |
| 1493 | if ( IsStaticBox() ) |
| 1494 | { |
| 1495 | return HTTRANSPARENT; |
| 1496 | } |
| 1497 | } |
| 1498 | |
| 1499 | return wxWindowNative::MSWWindowProc(message, wParam, lParam); |
| 1500 | } |
| 1501 | |
| 1502 | #endif // __WXMSW__ |