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