| 1 | ///////////////////////////////////////////////////////////////////////////// |
| 2 | // Name: frame.cpp |
| 3 | // Purpose: wxFrame |
| 4 | // Author: AUTHOR |
| 5 | // Modified by: |
| 6 | // Created: ??/??/98 |
| 7 | // RCS-ID: $Id$ |
| 8 | // Copyright: (c) AUTHOR |
| 9 | // Licence: wxWindows licence |
| 10 | ///////////////////////////////////////////////////////////////////////////// |
| 11 | |
| 12 | #ifdef __GNUG__ |
| 13 | #pragma implementation "frame.h" |
| 14 | #endif |
| 15 | |
| 16 | #include "wx/frame.h" |
| 17 | #include "wx/statusbr.h" |
| 18 | #include "wx/toolbar.h" |
| 19 | #include "wx/menuitem.h" |
| 20 | #include "wx/menu.h" |
| 21 | #include "wx/dcclient.h" |
| 22 | #include "wx/dialog.h" |
| 23 | #include "wx/settings.h" |
| 24 | #include "wx/app.h" |
| 25 | |
| 26 | extern wxList wxModelessWindows; |
| 27 | extern wxList wxPendingDelete; |
| 28 | |
| 29 | #if !USE_SHARED_LIBRARY |
| 30 | BEGIN_EVENT_TABLE(wxFrame, wxWindow) |
| 31 | EVT_SIZE(wxFrame::OnSize) |
| 32 | EVT_ACTIVATE(wxFrame::OnActivate) |
| 33 | EVT_MENU_HIGHLIGHT_ALL(wxFrame::OnMenuHighlight) |
| 34 | EVT_SYS_COLOUR_CHANGED(wxFrame::OnSysColourChanged) |
| 35 | EVT_IDLE(wxFrame::OnIdle) |
| 36 | EVT_CLOSE(wxFrame::OnCloseWindow) |
| 37 | END_EVENT_TABLE() |
| 38 | |
| 39 | IMPLEMENT_DYNAMIC_CLASS(wxFrame, wxWindow) |
| 40 | #endif |
| 41 | |
| 42 | #if wxUSE_NATIVE_STATUSBAR |
| 43 | bool wxFrame::m_useNativeStatusBar = TRUE; |
| 44 | #else |
| 45 | bool wxFrame::m_useNativeStatusBar = FALSE; |
| 46 | #endif |
| 47 | |
| 48 | wxFrame::wxFrame() |
| 49 | { |
| 50 | m_frameToolBar = NULL ; |
| 51 | m_frameMenuBar = NULL; |
| 52 | m_frameStatusBar = NULL; |
| 53 | |
| 54 | m_windowParent = NULL; |
| 55 | m_iconized = FALSE; |
| 56 | } |
| 57 | |
| 58 | bool wxFrame::Create(wxWindow *parent, |
| 59 | wxWindowID id, |
| 60 | const wxString& title, |
| 61 | const wxPoint& pos, |
| 62 | const wxSize& size, |
| 63 | long style, |
| 64 | const wxString& name) |
| 65 | { |
| 66 | if (!parent) |
| 67 | wxTopLevelWindows.Append(this); |
| 68 | |
| 69 | SetName(name); |
| 70 | m_windowStyle = style; |
| 71 | m_frameMenuBar = NULL; |
| 72 | m_frameToolBar = NULL ; |
| 73 | m_frameStatusBar = NULL; |
| 74 | |
| 75 | SetBackgroundColour(wxSystemSettings::GetSystemColour(wxSYS_COLOUR_APPWORKSPACE)); |
| 76 | |
| 77 | if ( id > -1 ) |
| 78 | m_windowId = id; |
| 79 | else |
| 80 | m_windowId = (int)NewControlId(); |
| 81 | |
| 82 | if (parent) parent->AddChild(this); |
| 83 | |
| 84 | wxModelessWindows.Append(this); |
| 85 | |
| 86 | // TODO: create frame. |
| 87 | |
| 88 | return FALSE; |
| 89 | } |
| 90 | |
| 91 | wxFrame::~wxFrame() |
| 92 | { |
| 93 | wxTopLevelWindows.DeleteObject(this); |
| 94 | |
| 95 | if (m_frameStatusBar) |
| 96 | delete m_frameStatusBar; |
| 97 | if (m_frameMenuBar) |
| 98 | delete m_frameMenuBar; |
| 99 | |
| 100 | /* Check if it's the last top-level window */ |
| 101 | |
| 102 | if (wxTheApp && (wxTopLevelWindows.Number() == 0)) |
| 103 | { |
| 104 | wxTheApp->SetTopWindow(NULL); |
| 105 | |
| 106 | if (wxTheApp->GetExitOnFrameDelete()) |
| 107 | { |
| 108 | // TODO signal to the app that we're going to close |
| 109 | } |
| 110 | } |
| 111 | |
| 112 | wxModelessWindows.DeleteObject(this); |
| 113 | } |
| 114 | |
| 115 | // Get size *available for subwindows* i.e. excluding menu bar, toolbar etc. |
| 116 | void wxFrame::GetClientSize(int *x, int *y) const |
| 117 | { |
| 118 | // TODO |
| 119 | } |
| 120 | |
| 121 | // Set the client size (i.e. leave the calculation of borders etc. |
| 122 | // to wxWindows) |
| 123 | void wxFrame::SetClientSize(int width, int height) |
| 124 | { |
| 125 | // TODO |
| 126 | } |
| 127 | |
| 128 | void wxFrame::GetSize(int *width, int *height) const |
| 129 | { |
| 130 | // TODO |
| 131 | } |
| 132 | |
| 133 | void wxFrame::GetPosition(int *x, int *y) const |
| 134 | { |
| 135 | // TODO |
| 136 | } |
| 137 | |
| 138 | void wxFrame::SetSize(int x, int y, int width, int height, int sizeFlags) |
| 139 | { |
| 140 | // TODO |
| 141 | } |
| 142 | |
| 143 | bool wxFrame::Show(bool show) |
| 144 | { |
| 145 | // TODO |
| 146 | return FALSE; |
| 147 | } |
| 148 | |
| 149 | void wxFrame::Iconize(bool iconize) |
| 150 | { |
| 151 | // TODO |
| 152 | } |
| 153 | |
| 154 | // Equivalent to maximize/restore in Windows |
| 155 | void wxFrame::Maximize(bool maximize) |
| 156 | { |
| 157 | // TODO |
| 158 | } |
| 159 | |
| 160 | bool wxFrame::IsIconized() const |
| 161 | { |
| 162 | // TODO |
| 163 | return FALSE; |
| 164 | } |
| 165 | |
| 166 | // Is the frame maximized? |
| 167 | bool wxFrame::IsMaximized(void) const |
| 168 | { |
| 169 | // TODO |
| 170 | return FALSE; |
| 171 | } |
| 172 | |
| 173 | void wxFrame::SetTitle(const wxString& title) |
| 174 | { |
| 175 | // TODO |
| 176 | } |
| 177 | |
| 178 | wxString wxFrame::GetTitle() const |
| 179 | { |
| 180 | // TODO |
| 181 | return wxString(""); |
| 182 | } |
| 183 | |
| 184 | void wxFrame::SetIcon(const wxIcon& icon) |
| 185 | { |
| 186 | m_icon = icon; |
| 187 | // TODO |
| 188 | } |
| 189 | |
| 190 | wxStatusBar *wxFrame::OnCreateStatusBar(int number, long style, wxWindowID id, |
| 191 | const wxString& name) |
| 192 | { |
| 193 | wxStatusBar *statusBar = NULL; |
| 194 | |
| 195 | statusBar = new wxStatusBar(this, id, wxPoint(0, 0), wxSize(100, 20), |
| 196 | style, name); |
| 197 | |
| 198 | // Set the height according to the font and the border size |
| 199 | wxClientDC dc(statusBar); |
| 200 | dc.SetFont(statusBar->GetFont()); |
| 201 | |
| 202 | long x, y; |
| 203 | dc.GetTextExtent("X", &x, &y); |
| 204 | |
| 205 | int height = (int)( (y * 1.1) + 2* statusBar->GetBorderY()); |
| 206 | |
| 207 | statusBar->SetSize(-1, -1, 100, height); |
| 208 | |
| 209 | statusBar->SetFieldsCount(number); |
| 210 | return statusBar; |
| 211 | } |
| 212 | |
| 213 | wxStatusBar* wxFrame::CreateStatusBar(int number, long style, wxWindowID id, |
| 214 | const wxString& name) |
| 215 | { |
| 216 | // Calling CreateStatusBar twice is an error. |
| 217 | wxCHECK_MSG( m_frameStatusBar == NULL, FALSE, |
| 218 | "recreating status bar in wxFrame" ); |
| 219 | |
| 220 | m_frameStatusBar = OnCreateStatusBar(number, style, id, |
| 221 | name); |
| 222 | if ( m_frameStatusBar ) |
| 223 | { |
| 224 | PositionStatusBar(); |
| 225 | return m_frameStatusBar; |
| 226 | } |
| 227 | else |
| 228 | return NULL; |
| 229 | } |
| 230 | |
| 231 | void wxFrame::SetStatusText(const wxString& text, int number) |
| 232 | { |
| 233 | wxCHECK_RET( m_frameStatusBar != NULL, "no statusbar to set text for" ); |
| 234 | |
| 235 | m_frameStatusBar->SetStatusText(text, number); |
| 236 | } |
| 237 | |
| 238 | void wxFrame::SetStatusWidths(int n, const int widths_field[]) |
| 239 | { |
| 240 | wxCHECK_RET( m_frameStatusBar != NULL, "no statusbar to set widths for" ); |
| 241 | |
| 242 | m_frameStatusBar->SetStatusWidths(n, widths_field); |
| 243 | PositionStatusBar(); |
| 244 | } |
| 245 | |
| 246 | void wxFrame::PositionStatusBar() |
| 247 | { |
| 248 | int w, h; |
| 249 | GetClientSize(&w, &h); |
| 250 | int sw, sh; |
| 251 | m_frameStatusBar->GetSize(&sw, &sh); |
| 252 | |
| 253 | // Since we wish the status bar to be directly under the client area, |
| 254 | // we use the adjusted sizes without using wxSIZE_NO_ADJUSTMENTS. |
| 255 | m_frameStatusBar->SetSize(0, h, w, sh); |
| 256 | } |
| 257 | |
| 258 | void wxFrame::SetMenuBar(wxMenuBar *menuBar) |
| 259 | { |
| 260 | if (!menuBar) |
| 261 | { |
| 262 | m_frameMenuBar = NULL; |
| 263 | return; |
| 264 | } |
| 265 | |
| 266 | m_frameMenuBar = menuBar; |
| 267 | |
| 268 | // TODO |
| 269 | } |
| 270 | |
| 271 | void wxFrame::Fit() |
| 272 | { |
| 273 | // Work out max. size |
| 274 | wxNode *node = GetChildren().First(); |
| 275 | int max_width = 0; |
| 276 | int max_height = 0; |
| 277 | while (node) |
| 278 | { |
| 279 | // Find a child that's a subwindow, but not a dialog box. |
| 280 | wxWindow *win = (wxWindow *)node->Data(); |
| 281 | |
| 282 | if (!win->IsKindOf(CLASSINFO(wxFrame)) && |
| 283 | !win->IsKindOf(CLASSINFO(wxDialog))) |
| 284 | { |
| 285 | int width, height; |
| 286 | int x, y; |
| 287 | win->GetSize(&width, &height); |
| 288 | win->GetPosition(&x, &y); |
| 289 | |
| 290 | if ((x + width) > max_width) |
| 291 | max_width = x + width; |
| 292 | if ((y + height) > max_height) |
| 293 | max_height = y + height; |
| 294 | } |
| 295 | node = node->Next(); |
| 296 | } |
| 297 | SetClientSize(max_width, max_height); |
| 298 | } |
| 299 | |
| 300 | // Responds to colour changes, and passes event on to children. |
| 301 | void wxFrame::OnSysColourChanged(wxSysColourChangedEvent& event) |
| 302 | { |
| 303 | SetBackgroundColour(wxSystemSettings::GetSystemColour(wxSYS_COLOUR_APPWORKSPACE)); |
| 304 | Refresh(); |
| 305 | |
| 306 | if ( m_frameStatusBar ) |
| 307 | { |
| 308 | wxSysColourChangedEvent event2; |
| 309 | event2.SetEventObject( m_frameStatusBar ); |
| 310 | m_frameStatusBar->ProcessEvent(event2); |
| 311 | } |
| 312 | |
| 313 | // Propagate the event to the non-top-level children |
| 314 | wxWindow::OnSysColourChanged(event); |
| 315 | } |
| 316 | |
| 317 | // Default resizing behaviour - if only ONE subwindow, |
| 318 | // resize to client rectangle size |
| 319 | void wxFrame::OnSize(wxSizeEvent& event) |
| 320 | { |
| 321 | // if we're using constraints - do use them |
| 322 | #if wxUSE_CONSTRAINTS |
| 323 | if ( GetAutoLayout() ) { |
| 324 | Layout(); |
| 325 | return; |
| 326 | } |
| 327 | #endif |
| 328 | |
| 329 | // do we have _exactly_ one child? |
| 330 | wxWindow *child = NULL; |
| 331 | for ( wxNode *node = GetChildren().First(); node; node = node->Next() ) |
| 332 | { |
| 333 | wxWindow *win = (wxWindow *)node->Data(); |
| 334 | if ( !win->IsKindOf(CLASSINFO(wxFrame)) && |
| 335 | !win->IsKindOf(CLASSINFO(wxDialog)) && |
| 336 | (win != GetStatusBar()) && |
| 337 | (win != GetToolBar()) ) |
| 338 | { |
| 339 | if ( child ) |
| 340 | return; // it's our second subwindow - nothing to do |
| 341 | child = win; |
| 342 | } |
| 343 | } |
| 344 | |
| 345 | if ( child ) { |
| 346 | // we have exactly one child - set it's size to fill the whole frame |
| 347 | int clientW, clientH; |
| 348 | GetClientSize(&clientW, &clientH); |
| 349 | |
| 350 | int x = 0; |
| 351 | int y = 0; |
| 352 | |
| 353 | child->SetSize(x, y, clientW, clientH); |
| 354 | } |
| 355 | } |
| 356 | |
| 357 | // Default activation behaviour - set the focus for the first child |
| 358 | // subwindow found. |
| 359 | void wxFrame::OnActivate(wxActivateEvent& event) |
| 360 | { |
| 361 | for(wxNode *node = GetChildren().First(); node; node = node->Next()) |
| 362 | { |
| 363 | // Find a child that's a subwindow, but not a dialog box. |
| 364 | wxWindow *child = (wxWindow *)node->Data(); |
| 365 | if (!child->IsKindOf(CLASSINFO(wxFrame)) && |
| 366 | !child->IsKindOf(CLASSINFO(wxDialog))) |
| 367 | { |
| 368 | child->SetFocus(); |
| 369 | return; |
| 370 | } |
| 371 | } |
| 372 | } |
| 373 | |
| 374 | // The default implementation for the close window event - calls |
| 375 | // OnClose for backward compatibility. |
| 376 | |
| 377 | void wxFrame::OnCloseWindow(wxCloseEvent& event) |
| 378 | { |
| 379 | // Compatibility |
| 380 | if ( GetEventHandler()->OnClose() || event.GetForce()) |
| 381 | { |
| 382 | this->Destroy(); |
| 383 | } |
| 384 | } |
| 385 | |
| 386 | bool wxFrame::OnClose() |
| 387 | { |
| 388 | return TRUE; |
| 389 | } |
| 390 | |
| 391 | // Destroy the window (delayed, if a managed window) |
| 392 | bool wxFrame::Destroy() |
| 393 | { |
| 394 | if (!wxPendingDelete.Member(this)) |
| 395 | wxPendingDelete.Append(this); |
| 396 | return TRUE; |
| 397 | } |
| 398 | |
| 399 | // Default menu selection behaviour - display a help string |
| 400 | void wxFrame::OnMenuHighlight(wxMenuEvent& event) |
| 401 | { |
| 402 | if (GetStatusBar()) |
| 403 | { |
| 404 | if (event.GetMenuId() == -1) |
| 405 | SetStatusText(""); |
| 406 | else |
| 407 | { |
| 408 | wxMenuBar *menuBar = GetMenuBar(); |
| 409 | if (menuBar) |
| 410 | { |
| 411 | wxString helpString(menuBar->GetHelpString(event.GetMenuId())); |
| 412 | if (helpString != "") |
| 413 | SetStatusText(helpString); |
| 414 | } |
| 415 | } |
| 416 | } |
| 417 | } |
| 418 | |
| 419 | wxMenuBar *wxFrame::GetMenuBar() const |
| 420 | { |
| 421 | return m_frameMenuBar; |
| 422 | } |
| 423 | |
| 424 | void wxFrame::Centre(int direction) |
| 425 | { |
| 426 | int display_width, display_height, width, height, x, y; |
| 427 | wxDisplaySize(&display_width, &display_height); |
| 428 | |
| 429 | GetSize(&width, &height); |
| 430 | GetPosition(&x, &y); |
| 431 | |
| 432 | if (direction & wxHORIZONTAL) |
| 433 | x = (int)((display_width - width)/2); |
| 434 | if (direction & wxVERTICAL) |
| 435 | y = (int)((display_height - height)/2); |
| 436 | |
| 437 | SetSize(x, y, width, height); |
| 438 | } |
| 439 | |
| 440 | // Call this to simulate a menu command |
| 441 | void wxFrame::Command(int id) |
| 442 | { |
| 443 | ProcessCommand(id); |
| 444 | } |
| 445 | |
| 446 | void wxFrame::ProcessCommand(int id) |
| 447 | { |
| 448 | wxCommandEvent commandEvent(wxEVENT_TYPE_MENU_COMMAND, id); |
| 449 | commandEvent.SetInt( id ); |
| 450 | commandEvent.SetEventObject( this ); |
| 451 | |
| 452 | wxMenuBar *bar = GetMenuBar() ; |
| 453 | if (!bar) |
| 454 | return; |
| 455 | |
| 456 | /* TODO: check the menu item if required |
| 457 | wxMenuItem *item = bar->FindItemForId(id) ; |
| 458 | if (item && item->IsCheckable()) |
| 459 | { |
| 460 | bar->Check(id,!bar->Checked(id)) ; |
| 461 | } |
| 462 | */ |
| 463 | |
| 464 | GetEventHandler()->ProcessEvent(commandEvent); |
| 465 | } |
| 466 | |
| 467 | // Checks if there is a toolbar, and returns the first free client position |
| 468 | wxPoint wxFrame::GetClientAreaOrigin() const |
| 469 | { |
| 470 | wxPoint pt(0, 0); |
| 471 | if (GetToolBar()) |
| 472 | { |
| 473 | int w, h; |
| 474 | GetToolBar()->GetSize(& w, & h); |
| 475 | |
| 476 | if (GetToolBar()->GetWindowStyleFlag() & wxTB_VERTICAL) |
| 477 | { |
| 478 | pt.x += w; |
| 479 | } |
| 480 | else |
| 481 | { |
| 482 | pt.y += h; |
| 483 | } |
| 484 | } |
| 485 | return pt; |
| 486 | } |
| 487 | |
| 488 | void wxFrame::ScreenToClient(int *x, int *y) const |
| 489 | { |
| 490 | wxWindow::ScreenToClient(x, y); |
| 491 | |
| 492 | // We may be faking the client origin. |
| 493 | // So a window that's really at (0, 30) may appear |
| 494 | // (to wxWin apps) to be at (0, 0). |
| 495 | wxPoint pt(GetClientAreaOrigin()); |
| 496 | *x -= pt.x; |
| 497 | *y -= pt.y; |
| 498 | } |
| 499 | |
| 500 | void wxFrame::ClientToScreen(int *x, int *y) const |
| 501 | { |
| 502 | // We may be faking the client origin. |
| 503 | // So a window that's really at (0, 30) may appear |
| 504 | // (to wxWin apps) to be at (0, 0). |
| 505 | wxPoint pt1(GetClientAreaOrigin()); |
| 506 | *x += pt1.x; |
| 507 | *y += pt1.y; |
| 508 | |
| 509 | wxWindow::ClientToScreen(x, y); |
| 510 | } |
| 511 | |
| 512 | wxToolBar* wxFrame::CreateToolBar(long style, wxWindowID id, const wxString& name) |
| 513 | { |
| 514 | wxCHECK_MSG( m_frameToolBar == NULL, FALSE, |
| 515 | "recreating toolbar in wxFrame" ); |
| 516 | |
| 517 | wxToolBar* toolBar = OnCreateToolBar(style, id, name); |
| 518 | if (toolBar) |
| 519 | { |
| 520 | SetToolBar(toolBar); |
| 521 | PositionToolBar(); |
| 522 | return toolBar; |
| 523 | } |
| 524 | else |
| 525 | { |
| 526 | return NULL; |
| 527 | } |
| 528 | } |
| 529 | |
| 530 | wxToolBar* wxFrame::OnCreateToolBar(long style, wxWindowID id, const wxString& name) |
| 531 | { |
| 532 | return new wxToolBar(this, id, wxDefaultPosition, wxDefaultSize, style, name); |
| 533 | } |
| 534 | |
| 535 | void wxFrame::PositionToolBar() |
| 536 | { |
| 537 | int cw, ch; |
| 538 | |
| 539 | // TODO: we actually need to use the low-level client size, before |
| 540 | // the toolbar/status bar were added. |
| 541 | // So DEFINITELY replace the line below with something appropriate. |
| 542 | |
| 543 | GetClientSize(& cw, &ch); |
| 544 | |
| 545 | if ( GetStatusBar() ) |
| 546 | { |
| 547 | int statusX, statusY; |
| 548 | GetStatusBar()->GetClientSize(&statusX, &statusY); |
| 549 | ch -= statusY; |
| 550 | } |
| 551 | |
| 552 | if (GetToolBar()) |
| 553 | { |
| 554 | int tw, th; |
| 555 | GetToolBar()->GetSize(& tw, & th); |
| 556 | |
| 557 | if (GetToolBar()->GetWindowStyleFlag() & wxTB_VERTICAL) |
| 558 | { |
| 559 | // Use the 'real' position. wxSIZE_NO_ADJUSTMENTS |
| 560 | // means, pretend we don't have toolbar/status bar, so we |
| 561 | // have the original client size. |
| 562 | GetToolBar()->SetSize(0, 0, tw, ch, wxSIZE_NO_ADJUSTMENTS); |
| 563 | } |
| 564 | else |
| 565 | { |
| 566 | // Use the 'real' position |
| 567 | GetToolBar()->SetSize(0, 0, cw, th, wxSIZE_NO_ADJUSTMENTS); |
| 568 | } |
| 569 | } |
| 570 | } |
| 571 | |