samples/dialogs/dialogs.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        dialogs.cpp
   3 // Purpose:     Common dialogs demo
   4 // Author:      Julian Smart
   5 // Modified by:
   6 // Created:     04/01/98
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) Julian Smart and Markus Holzem
   9 // Licence:     wxWindows license
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 #ifdef __GNUG__
  13 #pragma implementation
  14 #pragma interface
  15 #endif
  16
  17 // For compilers that support precompilation, includes "wx/wx.h".
  18 #include "wx/wxprec.h"
  19
  20 #ifdef __BORLANDC__
  21 #pragma hdrstop
  22 #endif
  23
  24 #ifndef WX_PRECOMP
  25 #include "wx/wx.h"
  26 #endif
  27
  28 #include "wx/colordlg.h"
  29 #include "wx/filedlg.h"
  30 #include "wx/dirdlg.h"
  31 #include "wx/fontdlg.h"
  32 #include "wx/choicdlg.h"
  33 #include "wx/tipdlg.h"
  34
  35 #define wxTEST_GENERIC_DIALOGS_IN_MSW 0
  36
  37 #if defined(__WXMSW__) && wxTEST_GENERIC_DIALOGS_IN_MSW
  38 #include <wx/generic/colrdlgg.h>
  39 #include <wx/generic/fontdlgg.h>
  40 #endif
  41
  42 #include "dialogs.h"
  43
  44 IMPLEMENT_APP(MyApp)
  45
  46 BEGIN_EVENT_TABLE(MyCanvas, wxScrolledWindow)
  47     EVT_PAINT(MyCanvas::OnPaint)
  48 END_EVENT_TABLE()
  49
  50 BEGIN_EVENT_TABLE(MyFrame, wxFrame)
  51     EVT_MENU(DIALOGS_CHOOSE_COLOUR,                 MyFrame::ChooseColour)
  52     EVT_MENU(DIALOGS_CHOOSE_FONT,                   MyFrame::ChooseFont)
  53     EVT_MENU(DIALOGS_LOG_DIALOG,                    MyFrame::LogDialog)
  54     EVT_MENU(DIALOGS_MESSAGE_BOX,                   MyFrame::MessageBox)
  55     EVT_MENU(DIALOGS_TEXT_ENTRY,                    MyFrame::TextEntry)
  56     EVT_MENU(DIALOGS_PASSWORD_ENTRY,                MyFrame::PasswordEntry)
  57     EVT_MENU(DIALOGS_NUM_ENTRY,                     MyFrame::NumericEntry)
  58     EVT_MENU(DIALOGS_SINGLE_CHOICE,                 MyFrame::SingleChoice)
  59     EVT_MENU(DIALOGS_FILE_OPEN,                     MyFrame::FileOpen)
  60     EVT_MENU(DIALOGS_FILES_OPEN,                    MyFrame::FilesOpen)
  61     EVT_MENU(DIALOGS_FILE_SAVE,                     MyFrame::FileSave)
  62     EVT_MENU(DIALOGS_DIR_CHOOSE,                    MyFrame::DirChoose)
  63     EVT_MENU(DIALOGS_MODELESS,                      MyFrame::ModelessDlg)
  64     EVT_MENU(DIALOGS_TIP,                           MyFrame::ShowTip)
  65 #if defined(__WXMSW__) && wxTEST_GENERIC_DIALOGS_IN_MSW
  66     EVT_MENU(DIALOGS_CHOOSE_COLOUR_GENERIC,         MyFrame::ChooseColourGeneric)
  67     EVT_MENU(DIALOGS_CHOOSE_FONT_GENERIC,           MyFrame::ChooseFontGeneric)
  68 #endif
  69     EVT_MENU(wxID_EXIT,                             MyFrame::OnExit)
  70
  71     EVT_BUTTON(DIALOGS_MODELESS_BTN,                MyFrame::OnButton)
  72 END_EVENT_TABLE()
  73 MyCanvas *myCanvas = (MyCanvas *) NULL;
  74
  75 // `Main program' equivalent, creating windows and returning main app frame
  76 bool MyApp::OnInit()
  77 {
  78 #if defined(__WXGTK__) && defined(wxUSE_UNICODE)
  79   wxConvCurrent = &wxConvLibc;
  80 #endif
  81
  82   m_canvasTextColour = wxColour("BLACK");
  83   m_canvasFont = *wxNORMAL_FONT;
  84
  85   // Create the main frame window
  86   MyFrame *frame = new MyFrame((wxFrame *) NULL, (char *) "wxWindows dialogs example", wxPoint(20, 20), wxSize(400, 300));
  87
  88   // Make a menubar
  89   wxMenu *file_menu = new wxMenu;
  90
  91   file_menu->Append(DIALOGS_CHOOSE_COLOUR, "&Choose colour");
  92
  93 #if defined(__WXMSW__) && wxTEST_GENERIC_DIALOGS_IN_MSW
  94   file_menu->Append(DIALOGS_CHOOSE_COLOUR_GENERIC, "Choose colour (&generic)");
  95 #endif
  96
  97   file_menu->AppendSeparator();
  98   file_menu->Append(DIALOGS_CHOOSE_FONT, "Choose &font");
  99
 100 #if defined(__WXMSW__) && wxTEST_GENERIC_DIALOGS_IN_MSW
 101   file_menu->Append(DIALOGS_CHOOSE_FONT_GENERIC, "Choose f&ont (generic)");
 102
 103 #endif
 104   file_menu->AppendSeparator();
 105   file_menu->Append(DIALOGS_LOG_DIALOG, "&Log dialog\tCtrl-L");
 106   file_menu->Append(DIALOGS_MESSAGE_BOX, "&Message box\tCtrl-M");
 107   file_menu->Append(DIALOGS_TEXT_ENTRY,  "Text &entry\tCtrl-E");
 108   file_menu->Append(DIALOGS_PASSWORD_ENTRY,  "&Password entry\tCtrl-P");
 109   file_menu->Append(DIALOGS_NUM_ENTRY, "&Numeric entry\tCtrl-N");
 110   file_menu->Append(DIALOGS_SINGLE_CHOICE,  "&Single choice\tCtrl-C");
 111   file_menu->AppendSeparator();
 112   file_menu->Append(DIALOGS_TIP,  "&Tip of the day\tCtrl-T");
 113   file_menu->AppendSeparator();
 114   file_menu->Append(DIALOGS_FILE_OPEN,  "&Open file\tCtrl-O");
 115   file_menu->Append(DIALOGS_FILES_OPEN,  "Open &files\tCtrl-Q");
 116   file_menu->Append(DIALOGS_FILE_SAVE,  "Sa&ve file\tCtrl-S");
 117   file_menu->Append(DIALOGS_DIR_CHOOSE,  "&Choose a directory\tCtrl-D");
 118   file_menu->AppendSeparator();
 119   file_menu->Append(DIALOGS_MODELESS, "Modeless &dialog\tCtrl-Z", "", TRUE);
 120   file_menu->AppendSeparator();
 121   file_menu->Append(wxID_EXIT, "E&xit\tAlt-X");
 122   wxMenuBar *menu_bar = new wxMenuBar;
 123   menu_bar->Append(file_menu, "&File");
 124   frame->SetMenuBar(menu_bar);
 125
 126   myCanvas = new MyCanvas(frame);
 127   myCanvas->SetBackgroundColour(*wxWHITE);
 128
 129   frame->Centre(wxBOTH);
 130
 131   // Show the frame
 132   frame->Show(TRUE);
 133
 134   SetTopWindow(frame);
 135
 136   return TRUE;
 137 }
 138
 139 // My frame constructor
 140 MyFrame::MyFrame(wxWindow *parent,
 141                  const wxString& title,
 142                  const wxPoint& pos,
 143                  const wxSize& size)
 144        : wxFrame(parent, -1, title, pos, size)
 145 {
 146     m_dialog = (MyModelessDialog *)NULL;
 147 }
 148
 149 void MyFrame::ChooseColour(wxCommandEvent& WXUNUSED(event) )
 150 {
 151       wxColourData data;
 152       data.SetChooseFull(TRUE);
 153       for (int i = 0; i < 16; i++)
 154       {
 155         wxColour colour(i*16, i*16, i*16);
 156         data.SetCustomColour(i, colour);
 157       }
 158
 159       wxColourDialog *dialog = new wxColourDialog(this, &data);
 160       if (dialog->ShowModal() == wxID_OK)
 161       {
 162         wxColourData retData = dialog->GetColourData();
 163         wxColour col = retData.GetColour();
 164 //        wxBrush *brush = wxTheBrushList->FindOrCreateBrush(&col, wxSOLID);
 165         myCanvas->SetBackgroundColour(col);
 166         myCanvas->Clear();
 167         myCanvas->Refresh();
 168       }
 169       dialog->Destroy();
 170 }
 171
 172 void MyFrame::ChooseFont(wxCommandEvent& WXUNUSED(event) )
 173 {
 174       wxFontData data;
 175       data.SetInitialFont(wxGetApp().m_canvasFont);
 176       data.SetColour(wxGetApp().m_canvasTextColour);
 177
 178       wxFontDialog *dialog = new wxFontDialog(this, &data);
 179       if (dialog->ShowModal() == wxID_OK)
 180       {
 181         wxFontData retData = dialog->GetFontData();
 182         wxGetApp().m_canvasFont = retData.GetChosenFont();
 183         wxGetApp().m_canvasTextColour = retData.GetColour();
 184         myCanvas->Refresh();
 185       }
 186       dialog->Destroy();
 187 }
 188
 189 #if defined(__WXMSW__) && wxTEST_GENERIC_DIALOGS_IN_MSW
 190 void MyFrame::ChooseColourGeneric(wxCommandEvent& WXUNUSED(event))
 191 {
 192       wxColourData data;
 193       data.SetChooseFull(TRUE);
 194       for (int i = 0; i < 16; i++)
 195       {
 196         wxColour colour(i*16, i*16, i*16);
 197         data.SetCustomColour(i, colour);
 198       }
 199
 200       wxGenericColourDialog *dialog = new wxGenericColourDialog(this, &data);
 201       if (dialog->ShowModal() == wxID_OK)
 202       {
 203         wxColourData retData = dialog->GetColourData();
 204         wxColour col = retData.GetColour();
 205 //        wxBrush *brush = wxTheBrushList->FindOrCreateBrush(&col, wxSOLID);
 206         myCanvas->SetBackgroundColour(col);
 207         myCanvas->Clear();
 208         myCanvas->Refresh();
 209       }
 210       dialog->Destroy();
 211 }
 212
 213 void MyFrame::ChooseFontGeneric(wxCommandEvent& WXUNUSED(event) )
 214 {
 215       wxFontData data;
 216       data.SetInitialFont(wxGetApp().m_canvasFont);
 217       data.SetColour(wxGetApp().m_canvasTextColour);
 218
 219       wxGenericFontDialog *dialog = new wxGenericFontDialog(this, &data);
 220       if (dialog->ShowModal() == wxID_OK)
 221       {
 222         wxFontData retData = dialog->GetFontData();
 223         wxGetApp().m_canvasFont = retData.GetChosenFont();
 224         wxGetApp().m_canvasTextColour = retData.GetColour();
 225         myCanvas->Refresh();
 226       }
 227       dialog->Destroy();
 228 }
 229 #endif // wxTEST_GENERIC_DIALOGS_IN_MSW
 230
 231 void MyFrame::LogDialog(wxCommandEvent& event)
 232 {
 233     wxLogMessage("This is some message - everything is ok so far.");
 234     wxLogMessage("Another message...");
 235     wxLogWarning("And then something went wrong!");
 236     // if we have this wxYield() here, everything breaks under GTK
 237     wxYield();
 238     wxLogError("Intermediary error handler decided to abort.");
 239     wxLogError("The top level caller detected an error.");
 240     wxLog::FlushActive();
 241
 242     wxLogMessage("And this is the same dialog but with only one message.");
 243 }
 244
 245 void MyFrame::MessageBox(wxCommandEvent& WXUNUSED(event) )
 246 {
 247   wxMessageDialog dialog( this, "This is a message box\nA long, long string to test out the message box properly",
 248       "Message box text", wxYES_NO|wxCANCEL|wxICON_INFORMATION);
 249
 250   dialog.ShowModal();
 251 }
 252
 253 void MyFrame::NumericEntry(wxCommandEvent& WXUNUSED(event) )
 254 {
 255     long res = wxGetNumberFromUser( "This is some text, actually a lot of text.\n"
 256                                     "Even two rows of text.",
 257                                     "Enter a number:", "Numeric input test",
 258                                      50, 0, 100, this );
 259
 260     wxString msg;
 261     int icon;
 262     if ( res == -1 )
 263     {
 264         msg = "Invalid number entered or dialog cancelled.";
 265         icon = wxICON_HAND;
 266     }
 267     else
 268     {
 269         msg.Printf(_T("You've entered %lu"), res );
 270         icon = wxICON_INFORMATION;
 271     }
 272
 273     wxMessageBox(msg, "Numeric test result", wxOK | icon, this);
 274 }
 275
 276 void MyFrame::PasswordEntry(wxCommandEvent& WXUNUSED(event))
 277 {
 278     wxString pwd = wxGetPasswordFromUser("Enter password:",
 279                                          "Passowrd entry dialog",
 280                                          "",
 281                                          this);
 282     if ( !!pwd )
 283     {
 284         wxMessageBox(wxString::Format("Your password is '%s'", pwd.c_str()),
 285                      "Got password", wxOK | wxICON_INFORMATION, this);
 286     }
 287 }
 288
 289 void MyFrame::TextEntry(wxCommandEvent& WXUNUSED(event))
 290 {
 291   wxTextEntryDialog dialog(this,
 292                            "This is a small sample\n"
 293                            "A long, long string to test out the text entrybox",
 294                            "Please enter a string",
 295                            "Default value",
 296                            wxOK | wxCANCEL);
 297
 298   if (dialog.ShowModal() == wxID_OK)
 299   {
 300     wxMessageDialog dialog2(this, dialog.GetValue(), "Got string");
 301     dialog2.ShowModal();
 302   }
 303 }
 304
 305 void MyFrame::SingleChoice(wxCommandEvent& WXUNUSED(event) )
 306 {
 307     const wxString choices[] = { "One", "Two", "Three", "Four", "Five" } ;
 308     int n = 5;
 309
 310     wxSingleChoiceDialog dialog(this, "This is a small sample\nA single-choice convenience dialog",
 311         "Please select a value", n, (const wxString *)choices);
 312
 313     dialog.SetSelection(2);
 314
 315     if (dialog.ShowModal() == wxID_OK)
 316     {
 317         wxMessageDialog dialog2(this, dialog.GetStringSelection(), "Got string");
 318         dialog2.ShowModal();
 319     }
 320 }
 321
 322 void MyFrame::FileOpen(wxCommandEvent& WXUNUSED(event) )
 323 {
 324     wxFileDialog dialog(this, "Testing open file dialog", "", "", "*.txt", 0);
 325
 326     if (dialog.ShowModal() == wxID_OK)
 327     {
 328         wxString info;
 329         info.Printf(_T("Full file name: %s\n")
 330                     _T("Path: %s\n")
 331                     _T("Name: %s"),
 332                     dialog.GetPath().c_str(),
 333                     dialog.GetDirectory().c_str(),
 334                     dialog.GetFilename().c_str());
 335         wxMessageDialog dialog2(this, info, "Selected file");
 336         dialog2.ShowModal();
 337     }
 338 }
 339
 340 void MyFrame::FilesOpen(wxCommandEvent& WXUNUSED(event) )
 341 {
 342     wxFileDialog dialog(this, "Testing open multiple file dialog",
 343                         "", "", wxFileSelectorDefaultWildcardStr,
 344                         wxMULTIPLE);
 345
 346     if (dialog.ShowModal() == wxID_OK)
 347     {
 348         wxArrayString paths, filenames;
 349
 350         dialog.GetPaths(paths);
 351         dialog.GetFilenames(filenames);
 352
 353         wxString msg, s;
 354         size_t count = paths.GetCount();
 355         for ( size_t n = 0; n < count; n++ )
 356         {
 357             s.Printf(_T("File %d: %s (%s)\n"),
 358                      n, paths[n].c_str(), filenames[n].c_str());
 359
 360             msg += s;
 361         }
 362
 363         wxMessageDialog dialog2(this, msg, "Selected files");
 364         dialog2.ShowModal();
 365     }
 366 }
 367
 368 void MyFrame::FileSave(wxCommandEvent& WXUNUSED(event) )
 369 {
 370     wxFileDialog dialog(this, "Testing save file dialog", "", "myletter.txt",
 371         "Text files (*.txt)|*.txt|Document files (*.doc)|*.doc",
 372         wxSAVE|wxOVERWRITE_PROMPT);
 373
 374     if (dialog.ShowModal() == wxID_OK)
 375     {
 376         wxChar buf[400];
 377         wxSprintf(buf, _T("%s, filter %d"), (const wxChar*)dialog.GetPath(), dialog.GetFilterIndex());
 378         wxMessageDialog dialog2(this, wxString(buf), "Selected path");
 379         dialog2.ShowModal();
 380     }
 381 }
 382
 383 void MyFrame::DirChoose(wxCommandEvent& WXUNUSED(event) )
 384 {
 385     // pass some initial dir to wxDirDialog
 386     wxString dirHome;
 387     wxGetHomeDir(&dirHome);
 388
 389     wxDirDialog dialog(this, "Testing directory picker", dirHome);
 390
 391     if (dialog.ShowModal() == wxID_OK)
 392     {
 393         wxMessageDialog dialog2(this, dialog.GetPath(), "Selected path");
 394         dialog2.ShowModal();
 395     }
 396 }
 397
 398 void MyFrame::ModelessDlg(wxCommandEvent& event)
 399 {
 400     bool show = GetMenuBar()->IsChecked(event.GetInt());
 401
 402     if ( show )
 403     {
 404         if ( !m_dialog )
 405         {
 406             m_dialog = new MyModelessDialog(this);
 407         }
 408
 409         m_dialog->Show(TRUE);
 410     }
 411     else // hide
 412     {
 413         m_dialog->Hide();
 414     }
 415 }
 416
 417 void MyFrame::OnButton(wxCommandEvent& WXUNUSED(event))
 418 {
 419     wxMessageBox("Button pressed in modeless dialog", "Info",
 420                  wxOK | wxICON_INFORMATION, this);
 421 }
 422
 423 void MyFrame::ShowTip(wxCommandEvent& event)
 424 {
 425 #if wxUSE_STARTUP_TIPS
 426     static size_t s_index = (size_t)-1;
 427
 428     if ( s_index == (size_t)-1 )
 429     {
 430         srand(time(NULL));
 431
 432         // this is completely bogus, we don't know how many lines are there
 433         // in the file, but who cares, it's a demo only...
 434         s_index = rand() % 5;
 435     }
 436
 437     wxTipProvider *tipProvider = wxCreateFileTipProvider("tips.txt", s_index);
 438
 439     bool showAtStartup = wxShowTip(this, tipProvider);
 440
 441     if ( showAtStartup )
 442     {
 443         wxMessageBox("Will show tips on startup", "Tips dialog",
 444                      wxOK | wxICON_INFORMATION, this);
 445     }
 446
 447     s_index = tipProvider->GetCurrentTip();
 448     delete tipProvider;
 449 #endif
 450 }
 451
 452 void MyFrame::OnExit(wxCommandEvent& WXUNUSED(event) )
 453 {
 454     Close(TRUE);
 455 }
 456
 457 void MyCanvas::OnPaint(wxPaintEvent& WXUNUSED(event) )
 458 {
 459     wxPaintDC dc(this);
 460     dc.SetFont(wxGetApp().m_canvasFont);
 461     dc.SetTextForeground(wxGetApp().m_canvasTextColour);
 462     dc.SetBackgroundMode(wxTRANSPARENT);
 463     dc.DrawText("wxWindows common dialogs test application", 10, 10);
 464 }
 465
 466 // ----------------------------------------------------------------------------
 467 // MyModelessDialog
 468 // ----------------------------------------------------------------------------
 469
 470 MyModelessDialog::MyModelessDialog(wxWindow *parent)
 471                 : wxDialog(parent, -1, wxString("Modeless dialog"))
 472 {
 473     (void)new wxButton(this, DIALOGS_MODELESS_BTN, "Press me");
 474     Fit();
 475     Centre();
 476 }