| 1 | ///////////////////////////////////////////////////////////////////////////// |
| 2 | // Name: htmllbox.cpp |
| 3 | // Purpose: HtmlLbox wxWidgets sample |
| 4 | // Author: Vadim Zeitlin |
| 5 | // Modified by: |
| 6 | // Created: 31.05.03 |
| 7 | // RCS-ID: $Id$ |
| 8 | // Copyright: (c) 2003 Vadim Zeitlin <vadim@wxwidgets.org> |
| 9 | // Licence: wxWindows licence |
| 10 | ///////////////////////////////////////////////////////////////////////////// |
| 11 | |
| 12 | // ============================================================================ |
| 13 | // declarations |
| 14 | // ============================================================================ |
| 15 | |
| 16 | // ---------------------------------------------------------------------------- |
| 17 | // headers |
| 18 | // ---------------------------------------------------------------------------- |
| 19 | |
| 20 | // For compilers that support precompilation, includes "wx/wx.h". |
| 21 | #include "wx/wxprec.h" |
| 22 | |
| 23 | #ifdef __BORLANDC__ |
| 24 | #pragma hdrstop |
| 25 | #endif |
| 26 | |
| 27 | // for all others, include the necessary headers |
| 28 | #ifndef WX_PRECOMP |
| 29 | #include "wx/app.h" |
| 30 | #include "wx/frame.h" |
| 31 | #include "wx/log.h" |
| 32 | #include "wx/textdlg.h" |
| 33 | #include "wx/sizer.h" |
| 34 | |
| 35 | #include "wx/menu.h" |
| 36 | #include "wx/msgdlg.h" |
| 37 | #include "wx/textctrl.h" |
| 38 | |
| 39 | #include "wx/dc.h" |
| 40 | #include "wx/icon.h" |
| 41 | #endif |
| 42 | |
| 43 | #include "wx/colordlg.h" |
| 44 | #include "wx/numdlg.h" |
| 45 | |
| 46 | #include "wx/htmllbox.h" |
| 47 | |
| 48 | // you can also have a file containing HTML strings for testing, enable this if |
| 49 | // you want to use it |
| 50 | //#define USE_HTML_FILE |
| 51 | #ifdef USE_HTML_FILE |
| 52 | #include "wx/textfile.h" |
| 53 | #endif |
| 54 | |
| 55 | #include "../sample.xpm" |
| 56 | |
| 57 | // ---------------------------------------------------------------------------- |
| 58 | // private classes |
| 59 | // ---------------------------------------------------------------------------- |
| 60 | |
| 61 | // to use wxHtmlListBox you must derive a new class from it as you must |
| 62 | // implement pure virtual OnGetItem() |
| 63 | class MyHtmlListBox : public wxHtmlListBox |
| 64 | { |
| 65 | public: |
| 66 | MyHtmlListBox() { } |
| 67 | MyHtmlListBox(wxWindow *parent, bool multi = false); |
| 68 | |
| 69 | void SetChangeSelFg(bool change) { m_change = change; } |
| 70 | void UpdateFirstItem(); |
| 71 | |
| 72 | protected: |
| 73 | // override this method to return data to be shown in the listbox (this is |
| 74 | // mandatory) |
| 75 | virtual wxString OnGetItem(size_t n) const; |
| 76 | |
| 77 | // change the appearance by overriding these functions (this is optional) |
| 78 | virtual void OnDrawSeparator(wxDC& dc, wxRect& rect, size_t n) const; |
| 79 | virtual wxColour GetSelectedTextColour(const wxColour& colFg) const; |
| 80 | |
| 81 | // flag telling us whether we should use fg colour even for the selected |
| 82 | // item |
| 83 | bool m_change; |
| 84 | |
| 85 | // flag which we toggle to update the first items text in OnGetItem() |
| 86 | bool m_firstItemUpdated; |
| 87 | |
| 88 | public: |
| 89 | |
| 90 | // flag which we toggle when the user clicks on the link in 2nd item |
| 91 | // to change 2nd item's text |
| 92 | bool m_linkClicked; |
| 93 | |
| 94 | #ifdef USE_HTML_FILE |
| 95 | wxTextFile m_file; |
| 96 | #endif |
| 97 | |
| 98 | wxDECLARE_NO_COPY_CLASS(MyHtmlListBox); |
| 99 | DECLARE_DYNAMIC_CLASS(MyHtmlListBox) |
| 100 | }; |
| 101 | |
| 102 | |
| 103 | class MyFrame : public wxFrame |
| 104 | { |
| 105 | public: |
| 106 | MyFrame(); |
| 107 | virtual ~MyFrame(); |
| 108 | |
| 109 | // event handlers |
| 110 | void OnSimpleOrCustomBox(wxCommandEvent& event); |
| 111 | void OnQuit(wxCommandEvent& event); |
| 112 | void OnAbout(wxCommandEvent& event); |
| 113 | |
| 114 | void OnSetMargins(wxCommandEvent& event); |
| 115 | void OnDrawSeparator(wxCommandEvent&) { m_hlbox->RefreshAll(); } |
| 116 | void OnToggleMulti(wxCommandEvent& event); |
| 117 | void OnSelectAll(wxCommandEvent& event); |
| 118 | void OnUpdateItem(wxCommandEvent& event); |
| 119 | void OnGetItemRect(wxCommandEvent& event); |
| 120 | |
| 121 | void OnSetBgCol(wxCommandEvent& event); |
| 122 | void OnSetSelBgCol(wxCommandEvent& event); |
| 123 | void OnSetSelFgCol(wxCommandEvent& event); |
| 124 | |
| 125 | void OnClear(wxCommandEvent& event); |
| 126 | |
| 127 | void OnUpdateUISelectAll(wxUpdateUIEvent& event); |
| 128 | |
| 129 | void OnLboxSelect(wxCommandEvent& event); |
| 130 | void OnLboxDClick(wxCommandEvent& event) |
| 131 | { |
| 132 | wxLogMessage(_T("Listbox item %d double clicked."), event.GetInt()); |
| 133 | } |
| 134 | |
| 135 | void OnHtmlLinkClicked(wxHtmlLinkEvent& event); |
| 136 | void OnHtmlCellHover(wxHtmlCellEvent &event); |
| 137 | void OnHtmlCellClicked(wxHtmlCellEvent &event); |
| 138 | |
| 139 | wxSimpleHtmlListBox *GetSimpleBox() |
| 140 | { return wxDynamicCast(m_hlbox, wxSimpleHtmlListBox); } |
| 141 | MyHtmlListBox *GetMyBox() |
| 142 | { return wxDynamicCast(m_hlbox, MyHtmlListBox); } |
| 143 | |
| 144 | void CreateBox(); |
| 145 | |
| 146 | private: |
| 147 | wxHtmlListBox *m_hlbox; |
| 148 | |
| 149 | // any class wishing to process wxWidgets events must use this macro |
| 150 | DECLARE_EVENT_TABLE() |
| 151 | }; |
| 152 | |
| 153 | class MyApp : public wxApp |
| 154 | { |
| 155 | public: |
| 156 | virtual bool OnInit() { (new MyFrame())->Show(); return true; } |
| 157 | }; |
| 158 | |
| 159 | // ---------------------------------------------------------------------------- |
| 160 | // constants |
| 161 | // ---------------------------------------------------------------------------- |
| 162 | |
| 163 | // IDs for the controls and the menu commands |
| 164 | enum |
| 165 | { |
| 166 | // menu items |
| 167 | HtmlLbox_CustomBox = 1, |
| 168 | HtmlLbox_SimpleBox, |
| 169 | HtmlLbox_Quit, |
| 170 | |
| 171 | HtmlLbox_SetMargins, |
| 172 | HtmlLbox_DrawSeparator, |
| 173 | HtmlLbox_ToggleMulti, |
| 174 | HtmlLbox_SelectAll, |
| 175 | HtmlLbox_UpdateItem, |
| 176 | HtmlLbox_GetItemRect, |
| 177 | |
| 178 | HtmlLbox_SetBgCol, |
| 179 | HtmlLbox_SetSelBgCol, |
| 180 | HtmlLbox_SetSelFgCol, |
| 181 | |
| 182 | HtmlLbox_Clear, |
| 183 | |
| 184 | // it is important for the id corresponding to the "About" command to have |
| 185 | // this standard value as otherwise it won't be handled properly under Mac |
| 186 | // (where it is special and put into the "Apple" menu) |
| 187 | HtmlLbox_About = wxID_ABOUT |
| 188 | }; |
| 189 | |
| 190 | // ---------------------------------------------------------------------------- |
| 191 | // event tables and other macros for wxWidgets |
| 192 | // ---------------------------------------------------------------------------- |
| 193 | |
| 194 | BEGIN_EVENT_TABLE(MyFrame, wxFrame) |
| 195 | EVT_MENU(HtmlLbox_CustomBox, MyFrame::OnSimpleOrCustomBox) |
| 196 | EVT_MENU(HtmlLbox_SimpleBox, MyFrame::OnSimpleOrCustomBox) |
| 197 | EVT_MENU(HtmlLbox_Quit, MyFrame::OnQuit) |
| 198 | |
| 199 | EVT_MENU(HtmlLbox_SetMargins, MyFrame::OnSetMargins) |
| 200 | EVT_MENU(HtmlLbox_DrawSeparator, MyFrame::OnDrawSeparator) |
| 201 | EVT_MENU(HtmlLbox_ToggleMulti, MyFrame::OnToggleMulti) |
| 202 | EVT_MENU(HtmlLbox_SelectAll, MyFrame::OnSelectAll) |
| 203 | EVT_MENU(HtmlLbox_UpdateItem, MyFrame::OnUpdateItem) |
| 204 | EVT_MENU(HtmlLbox_GetItemRect, MyFrame::OnGetItemRect) |
| 205 | |
| 206 | EVT_MENU(HtmlLbox_About, MyFrame::OnAbout) |
| 207 | |
| 208 | EVT_MENU(HtmlLbox_SetBgCol, MyFrame::OnSetBgCol) |
| 209 | EVT_MENU(HtmlLbox_SetSelBgCol, MyFrame::OnSetSelBgCol) |
| 210 | EVT_MENU(HtmlLbox_SetSelFgCol, MyFrame::OnSetSelFgCol) |
| 211 | |
| 212 | EVT_MENU(HtmlLbox_Clear, MyFrame::OnClear) |
| 213 | |
| 214 | EVT_UPDATE_UI(HtmlLbox_SelectAll, MyFrame::OnUpdateUISelectAll) |
| 215 | |
| 216 | |
| 217 | EVT_LISTBOX(wxID_ANY, MyFrame::OnLboxSelect) |
| 218 | EVT_LISTBOX_DCLICK(wxID_ANY, MyFrame::OnLboxDClick) |
| 219 | |
| 220 | |
| 221 | // the HTML listbox's events |
| 222 | EVT_HTML_LINK_CLICKED(wxID_ANY, MyFrame::OnHtmlLinkClicked) |
| 223 | EVT_HTML_CELL_HOVER(wxID_ANY, MyFrame::OnHtmlCellHover) |
| 224 | EVT_HTML_CELL_CLICKED(wxID_ANY, MyFrame::OnHtmlCellClicked) |
| 225 | |
| 226 | END_EVENT_TABLE() |
| 227 | |
| 228 | IMPLEMENT_APP(MyApp) |
| 229 | |
| 230 | // ============================================================================ |
| 231 | // MyFrame |
| 232 | // ============================================================================ |
| 233 | |
| 234 | // ---------------------------------------------------------------------------- |
| 235 | // MyFrame ctor/dtor |
| 236 | // ---------------------------------------------------------------------------- |
| 237 | |
| 238 | // frame constructor |
| 239 | MyFrame::MyFrame() |
| 240 | : wxFrame(NULL, wxID_ANY, _T("HtmlLbox wxWidgets Sample"), |
| 241 | wxDefaultPosition, wxSize(500, 500)) |
| 242 | { |
| 243 | // set the frame icon |
| 244 | SetIcon(wxIcon(sample_xpm)); |
| 245 | |
| 246 | #if wxUSE_MENUS |
| 247 | // create a menu bar |
| 248 | wxMenu *menuFile = new wxMenu; |
| 249 | menuFile->AppendRadioItem(HtmlLbox_CustomBox, _T("Use custom box"), |
| 250 | _T("Use a wxHtmlListBox virtual class control")); |
| 251 | menuFile->AppendRadioItem(HtmlLbox_SimpleBox, _T("Use simple box"), |
| 252 | _T("Use a wxSimpleHtmlListBox control")); |
| 253 | menuFile->AppendSeparator(); |
| 254 | menuFile->Append(HtmlLbox_Quit, _T("E&xit\tAlt-X"), _T("Quit this program")); |
| 255 | |
| 256 | // create our specific menu |
| 257 | wxMenu *menuHLbox = new wxMenu; |
| 258 | menuHLbox->Append(HtmlLbox_SetMargins, |
| 259 | _T("Set &margins...\tCtrl-G"), |
| 260 | _T("Change the margins around the items")); |
| 261 | menuHLbox->AppendCheckItem(HtmlLbox_DrawSeparator, |
| 262 | _T("&Draw separators\tCtrl-D"), |
| 263 | _T("Toggle drawing separators between cells")); |
| 264 | menuHLbox->AppendSeparator(); |
| 265 | menuHLbox->AppendCheckItem(HtmlLbox_ToggleMulti, |
| 266 | _T("&Multiple selection\tCtrl-M"), |
| 267 | _T("Toggle multiple selection on/off")); |
| 268 | menuHLbox->AppendSeparator(); |
| 269 | menuHLbox->Append(HtmlLbox_SelectAll, _T("Select &all items\tCtrl-A")); |
| 270 | menuHLbox->Append(HtmlLbox_UpdateItem, _T("Update &first item\tCtrl-U")); |
| 271 | menuHLbox->Append(HtmlLbox_GetItemRect, _T("Show &rectangle of item #10\tCtrl-R")); |
| 272 | menuHLbox->AppendSeparator(); |
| 273 | menuHLbox->Append(HtmlLbox_SetBgCol, _T("Set &background...\tCtrl-B")); |
| 274 | menuHLbox->Append(HtmlLbox_SetSelBgCol, |
| 275 | _T("Set &selection background...\tCtrl-S")); |
| 276 | menuHLbox->AppendCheckItem(HtmlLbox_SetSelFgCol, |
| 277 | _T("Keep &foreground in selection\tCtrl-F")); |
| 278 | |
| 279 | menuHLbox->AppendSeparator(); |
| 280 | menuHLbox->Append(HtmlLbox_Clear, _T("&Clear\tCtrl-L")); |
| 281 | |
| 282 | // the "About" item should be in the help menu |
| 283 | wxMenu *helpMenu = new wxMenu; |
| 284 | helpMenu->Append(HtmlLbox_About, _T("&About...\tF1"), _T("Show about dialog")); |
| 285 | |
| 286 | // now append the freshly created menu to the menu bar... |
| 287 | wxMenuBar *menuBar = new wxMenuBar(); |
| 288 | menuBar->Append(menuFile, _T("&File")); |
| 289 | menuBar->Append(menuHLbox, _T("&Listbox")); |
| 290 | menuBar->Append(helpMenu, _T("&Help")); |
| 291 | |
| 292 | menuBar->Check(HtmlLbox_DrawSeparator, true); |
| 293 | |
| 294 | // ... and attach this menu bar to the frame |
| 295 | SetMenuBar(menuBar); |
| 296 | #endif // wxUSE_MENUS |
| 297 | |
| 298 | #if wxUSE_STATUSBAR |
| 299 | // create a status bar just for fun (by default with 1 pane only) |
| 300 | CreateStatusBar(2); |
| 301 | SetStatusText(_T("Welcome to wxWidgets!")); |
| 302 | #endif // wxUSE_STATUSBAR |
| 303 | |
| 304 | // create the child controls |
| 305 | CreateBox(); |
| 306 | wxTextCtrl *text = new wxTextCtrl(this, wxID_ANY, _T(""), |
| 307 | wxDefaultPosition, wxDefaultSize, |
| 308 | wxTE_MULTILINE); |
| 309 | delete wxLog::SetActiveTarget(new wxLogTextCtrl(text)); |
| 310 | |
| 311 | // and lay them out |
| 312 | wxSizer *sizer = new wxBoxSizer(wxHORIZONTAL); |
| 313 | sizer->Add(m_hlbox, 2, wxGROW); |
| 314 | sizer->Add(text, 3, wxGROW); |
| 315 | |
| 316 | SetSizer(sizer); |
| 317 | } |
| 318 | |
| 319 | MyFrame::~MyFrame() |
| 320 | { |
| 321 | delete wxLog::SetActiveTarget(NULL); |
| 322 | } |
| 323 | |
| 324 | void MyFrame::CreateBox() |
| 325 | { |
| 326 | bool multi = GetMenuBar()->IsChecked(HtmlLbox_ToggleMulti); |
| 327 | |
| 328 | if ( GetMenuBar()->IsChecked(HtmlLbox_CustomBox) ) |
| 329 | { |
| 330 | m_hlbox = new MyHtmlListBox(this, multi); |
| 331 | } |
| 332 | else // simple listbox |
| 333 | { |
| 334 | m_hlbox = new wxSimpleHtmlListBox(this, wxID_ANY, wxDefaultPosition, wxDefaultSize, |
| 335 | 0, NULL, multi ? wxLB_MULTIPLE : 0); |
| 336 | |
| 337 | // unlike wxHtmlListBox which is abstract, wxSimpleHtmlListBox is a |
| 338 | // concrete control and doesn't support virtual mode, this we need |
| 339 | // to add all of its items from the beginning |
| 340 | wxArrayString arr; |
| 341 | for (size_t n = 0; n < 1000; n++ ) |
| 342 | { |
| 343 | wxColour clr((unsigned char)(abs((int)n - 192) % 256), |
| 344 | (unsigned char)(abs((int)n - 256) % 256), |
| 345 | (unsigned char)(abs((int)n - 128) % 256)); |
| 346 | int level = n % 6 + 1; |
| 347 | |
| 348 | wxString label = wxString::Format(_T("<h%d><font color=%s>") |
| 349 | _T("Item</font> <b>%lu</b>") |
| 350 | _T("</h%d>"), |
| 351 | level, |
| 352 | clr.GetAsString(wxC2S_HTML_SYNTAX).c_str(), |
| 353 | (unsigned long)n, level); |
| 354 | arr.Add(label); |
| 355 | } |
| 356 | |
| 357 | GetSimpleBox()->Append(arr); |
| 358 | } |
| 359 | } |
| 360 | |
| 361 | |
| 362 | // ---------------------------------------------------------------------------- |
| 363 | // menu event handlers |
| 364 | // ---------------------------------------------------------------------------- |
| 365 | |
| 366 | void MyFrame::OnSimpleOrCustomBox(wxCommandEvent& WXUNUSED(event)) |
| 367 | { |
| 368 | wxWindow *old = m_hlbox; |
| 369 | |
| 370 | // we need to recreate the listbox |
| 371 | CreateBox(); |
| 372 | GetSizer()->Replace(old, m_hlbox); |
| 373 | delete old; |
| 374 | |
| 375 | GetSizer()->Layout(); |
| 376 | Refresh(); |
| 377 | } |
| 378 | |
| 379 | void MyFrame::OnQuit(wxCommandEvent& WXUNUSED(event)) |
| 380 | { |
| 381 | // true is to force the frame to close |
| 382 | Close(true); |
| 383 | } |
| 384 | |
| 385 | void MyFrame::OnAbout(wxCommandEvent& WXUNUSED(event)) |
| 386 | { |
| 387 | wxMessageBox(_T("This sample shows wxHtmlListBox class.\n") |
| 388 | _T("\n") |
| 389 | _T("(c) 2003 Vadim Zeitlin"), |
| 390 | _T("About HtmlLbox"), |
| 391 | wxOK | wxICON_INFORMATION, |
| 392 | this); |
| 393 | } |
| 394 | |
| 395 | void MyFrame::OnSetMargins(wxCommandEvent& WXUNUSED(event)) |
| 396 | { |
| 397 | long margin = wxGetNumberFromUser |
| 398 | ( |
| 399 | _T("Enter the margins to use for the listbox items."), |
| 400 | _T("Margin: "), |
| 401 | _T("HtmlLbox: Set the margins"), |
| 402 | 0, 0, 20, |
| 403 | this |
| 404 | ); |
| 405 | |
| 406 | if ( margin != -1 ) |
| 407 | { |
| 408 | m_hlbox->SetMargins(margin, margin); |
| 409 | m_hlbox->RefreshAll(); |
| 410 | } |
| 411 | } |
| 412 | |
| 413 | void MyFrame::OnToggleMulti(wxCommandEvent& WXUNUSED(event)) |
| 414 | { |
| 415 | wxWindow *old = m_hlbox; |
| 416 | |
| 417 | // we need to recreate the listbox |
| 418 | CreateBox(); |
| 419 | GetSizer()->Replace(old, m_hlbox); |
| 420 | delete old; |
| 421 | |
| 422 | GetSizer()->Layout(); |
| 423 | } |
| 424 | |
| 425 | void MyFrame::OnSelectAll(wxCommandEvent& WXUNUSED(event)) |
| 426 | { |
| 427 | m_hlbox->SelectAll(); |
| 428 | } |
| 429 | |
| 430 | void MyFrame::OnUpdateUISelectAll(wxUpdateUIEvent& event) |
| 431 | { |
| 432 | event.Enable( m_hlbox && m_hlbox->HasMultipleSelection() ); |
| 433 | } |
| 434 | |
| 435 | void MyFrame::OnUpdateItem(wxCommandEvent& WXUNUSED(event)) |
| 436 | { |
| 437 | if (GetMyBox()) |
| 438 | GetMyBox()->UpdateFirstItem(); |
| 439 | } |
| 440 | |
| 441 | void MyFrame::OnGetItemRect(wxCommandEvent& WXUNUSED(event)) |
| 442 | { |
| 443 | static const int ITEM = 10; |
| 444 | const wxRect r = m_hlbox->GetItemRect(ITEM); |
| 445 | wxLogMessage("Rect of item %d: (%d, %d)-(%d, %d)", |
| 446 | ITEM, r.x, r.y, r.x + r.width, r.y + r.height); |
| 447 | } |
| 448 | |
| 449 | void MyFrame::OnSetBgCol(wxCommandEvent& WXUNUSED(event)) |
| 450 | { |
| 451 | wxColour col = wxGetColourFromUser(this, m_hlbox->GetBackgroundColour()); |
| 452 | if ( col.Ok() ) |
| 453 | { |
| 454 | m_hlbox->SetBackgroundColour(col); |
| 455 | m_hlbox->Refresh(); |
| 456 | |
| 457 | #if wxUSE_STATUSBAR |
| 458 | SetStatusText(_T("Background colour changed.")); |
| 459 | #endif // wxUSE_STATUSBAR |
| 460 | } |
| 461 | } |
| 462 | |
| 463 | void MyFrame::OnSetSelBgCol(wxCommandEvent& WXUNUSED(event)) |
| 464 | { |
| 465 | wxColour col = wxGetColourFromUser(this, m_hlbox->GetSelectionBackground()); |
| 466 | if ( col.Ok() ) |
| 467 | { |
| 468 | m_hlbox->SetSelectionBackground(col); |
| 469 | m_hlbox->Refresh(); |
| 470 | |
| 471 | #if wxUSE_STATUSBAR |
| 472 | SetStatusText(_T("Selection background colour changed.")); |
| 473 | #endif // wxUSE_STATUSBAR |
| 474 | } |
| 475 | } |
| 476 | |
| 477 | void MyFrame::OnSetSelFgCol(wxCommandEvent& event) |
| 478 | { |
| 479 | if (GetMyBox()) |
| 480 | { |
| 481 | GetMyBox()->SetChangeSelFg(!event.IsChecked()); |
| 482 | GetMyBox()->Refresh(); |
| 483 | } |
| 484 | } |
| 485 | |
| 486 | void MyFrame::OnClear(wxCommandEvent& WXUNUSED(event)) |
| 487 | { |
| 488 | m_hlbox->Clear(); |
| 489 | } |
| 490 | |
| 491 | void MyFrame::OnHtmlLinkClicked(wxHtmlLinkEvent &event) |
| 492 | { |
| 493 | wxLogMessage(wxT("The url '%s' has been clicked!"), event.GetLinkInfo().GetHref().c_str()); |
| 494 | |
| 495 | if (GetMyBox()) |
| 496 | { |
| 497 | GetMyBox()->m_linkClicked = true; |
| 498 | GetMyBox()->RefreshRow(1); |
| 499 | } |
| 500 | } |
| 501 | |
| 502 | void MyFrame::OnHtmlCellHover(wxHtmlCellEvent &event) |
| 503 | { |
| 504 | wxLogMessage(wxT("Mouse moved over cell %p at %d;%d"), |
| 505 | event.GetCell(), event.GetPoint().x, event.GetPoint().y); |
| 506 | } |
| 507 | |
| 508 | void MyFrame::OnHtmlCellClicked(wxHtmlCellEvent &event) |
| 509 | { |
| 510 | wxLogMessage(wxT("Click over cell %p at %d;%d"), |
| 511 | event.GetCell(), event.GetPoint().x, event.GetPoint().y); |
| 512 | |
| 513 | // if we don't skip the event, OnHtmlLinkClicked won't be called! |
| 514 | event.Skip(); |
| 515 | } |
| 516 | |
| 517 | // ---------------------------------------------------------------------------- |
| 518 | // listbox event handlers |
| 519 | // ---------------------------------------------------------------------------- |
| 520 | |
| 521 | void MyFrame::OnLboxSelect(wxCommandEvent& event) |
| 522 | { |
| 523 | wxLogMessage(_T("Listbox selection is now %d."), event.GetInt()); |
| 524 | |
| 525 | if ( m_hlbox->HasMultipleSelection() ) |
| 526 | { |
| 527 | wxString s; |
| 528 | |
| 529 | bool first = true; |
| 530 | unsigned long cookie; |
| 531 | for ( int item = m_hlbox->GetFirstSelected(cookie); |
| 532 | item != wxNOT_FOUND; |
| 533 | item = m_hlbox->GetNextSelected(cookie) ) |
| 534 | { |
| 535 | if ( first ) |
| 536 | first = false; |
| 537 | else |
| 538 | s << _T(", "); |
| 539 | |
| 540 | s << item; |
| 541 | } |
| 542 | |
| 543 | if ( !s.empty() ) |
| 544 | wxLogMessage(_T("Selected items: %s"), s.c_str()); |
| 545 | } |
| 546 | |
| 547 | #if wxUSE_STATUSBAR |
| 548 | SetStatusText(wxString::Format( |
| 549 | _T("# items selected = %lu"), |
| 550 | (unsigned long)m_hlbox->GetSelectedCount() |
| 551 | )); |
| 552 | #endif // wxUSE_STATUSBAR |
| 553 | } |
| 554 | |
| 555 | // ============================================================================ |
| 556 | // MyHtmlListBox |
| 557 | // ============================================================================ |
| 558 | |
| 559 | IMPLEMENT_DYNAMIC_CLASS(MyHtmlListBox, wxHtmlListBox) |
| 560 | |
| 561 | MyHtmlListBox::MyHtmlListBox(wxWindow *parent, bool multi) |
| 562 | : wxHtmlListBox(parent, wxID_ANY, wxDefaultPosition, wxDefaultSize, |
| 563 | multi ? wxLB_MULTIPLE : 0) |
| 564 | { |
| 565 | m_change = true; |
| 566 | m_firstItemUpdated = false; |
| 567 | m_linkClicked = false; |
| 568 | |
| 569 | |
| 570 | SetMargins(5, 5); |
| 571 | |
| 572 | #ifdef USE_HTML_FILE |
| 573 | if ( !m_file.Open(_T("results")) ) |
| 574 | { |
| 575 | wxLogError(_T("Failed to open results file")); |
| 576 | } |
| 577 | else |
| 578 | { |
| 579 | SetItemCount(m_file.GetLineCount()); |
| 580 | } |
| 581 | #else |
| 582 | SetItemCount(1000); |
| 583 | #endif |
| 584 | |
| 585 | SetSelection(3); |
| 586 | } |
| 587 | |
| 588 | void MyHtmlListBox::OnDrawSeparator(wxDC& dc, wxRect& rect, size_t) const |
| 589 | { |
| 590 | if ( ((MyFrame *)GetParent())-> |
| 591 | GetMenuBar()->IsChecked(HtmlLbox_DrawSeparator) ) |
| 592 | { |
| 593 | dc.SetPen(*wxBLACK_DASHED_PEN); |
| 594 | dc.DrawLine(rect.x, rect.y, rect.GetRight(), rect.y); |
| 595 | dc.DrawLine(rect.x, rect.GetBottom(), rect.GetRight(), rect.GetBottom()); |
| 596 | } |
| 597 | } |
| 598 | |
| 599 | wxString MyHtmlListBox::OnGetItem(size_t n) const |
| 600 | { |
| 601 | if ( !n && m_firstItemUpdated ) |
| 602 | { |
| 603 | return _T("<h1><b>Just updated</b></h1>"); |
| 604 | } |
| 605 | |
| 606 | #ifdef USE_HTML_FILE |
| 607 | wxString s; |
| 608 | if ( m_file.IsOpened() ) |
| 609 | s = m_file[n]; |
| 610 | |
| 611 | return s; |
| 612 | #else |
| 613 | int level = n % 6 + 1; |
| 614 | |
| 615 | wxColour clr((unsigned char)(abs((int)n - 192) % 256), |
| 616 | (unsigned char)(abs((int)n - 256) % 256), |
| 617 | (unsigned char)(abs((int)n - 128) % 256)); |
| 618 | |
| 619 | wxString label = wxString::Format(_T("<h%d><font color=%s>") |
| 620 | _T("Item</font> <b>%lu</b>") |
| 621 | _T("</h%d>"), |
| 622 | level, |
| 623 | clr.GetAsString(wxC2S_HTML_SYNTAX).c_str(), |
| 624 | (unsigned long)n, level); |
| 625 | if ( n == 1 ) |
| 626 | { |
| 627 | if ( !m_linkClicked ) |
| 628 | label += _T("<a href='1'>Click here...</a>"); |
| 629 | else |
| 630 | label += _T("<font color='#9999ff'>Clicked here...</font>"); |
| 631 | } |
| 632 | |
| 633 | return label; |
| 634 | #endif |
| 635 | } |
| 636 | |
| 637 | wxColour MyHtmlListBox::GetSelectedTextColour(const wxColour& colFg) const |
| 638 | { |
| 639 | return m_change ? wxHtmlListBox::GetSelectedTextColour(colFg) : colFg; |
| 640 | } |
| 641 | |
| 642 | void MyHtmlListBox::UpdateFirstItem() |
| 643 | { |
| 644 | m_firstItemUpdated = !m_firstItemUpdated; |
| 645 | |
| 646 | RefreshRow(0); |
| 647 | } |