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 MyCanvas *myCanvas = (MyCanvas *) NULL;
  47
  48 // `Main program' equivalent, creating windows and returning main app frame
  49 bool MyApp::OnInit(void)
  50 {
  51 #if defined(__WXGTK__) && defined(wxUSE_UNICODE)
  52   wxConvCurrent = &wxConvLibc;
  53 #endif
  54
  55   m_canvasTextColour = wxColour("BLACK");
  56   m_canvasFont = *wxNORMAL_FONT;
  57
  58   // Create the main frame window
  59   MyFrame *frame = new MyFrame((wxFrame *) NULL, (char *) "wxWindows dialogs example", wxPoint(20, 20), wxSize(400, 300));
  60
  61   // Make a menubar
  62   wxMenu *file_menu = new wxMenu;
  63
  64   file_menu->Append(DIALOGS_CHOOSE_COLOUR, "&Choose colour");
  65
  66 #if defined(__WXMSW__) && wxTEST_GENERIC_DIALOGS_IN_MSW
  67   file_menu->Append(DIALOGS_CHOOSE_COLOUR_GENERIC, "Choose colour (&generic)");
  68 #endif
  69
  70   file_menu->AppendSeparator();
  71   file_menu->Append(DIALOGS_CHOOSE_FONT, "Choose &font");
  72
  73 #if defined(__WXMSW__) && wxTEST_GENERIC_DIALOGS_IN_MSW
  74   file_menu->Append(DIALOGS_CHOOSE_FONT_GENERIC, "Choose f&ont (generic)");
  75
  76 #endif
  77   file_menu->AppendSeparator();
  78   file_menu->Append(DIALOGS_MESSAGE_BOX, "&Message box\tCtrl-M");
  79   file_menu->Append(DIALOGS_TEXT_ENTRY,  "Text &entry\tCtrl-E");
  80   file_menu->Append(DIALOGS_NUM_ENTRY, "&Numeric entry\tCtrl-N");
  81   file_menu->Append(DIALOGS_SINGLE_CHOICE,  "&Single choice\tCtrl-S");
  82   file_menu->AppendSeparator();
  83   file_menu->Append(DIALOGS_TIP,  "&Tip of the day\tCtrl-T");
  84   file_menu->AppendSeparator();
  85   file_menu->Append(DIALOGS_FILE_OPEN,  "&Open file\tCtrl-O");
  86   file_menu->Append(DIALOGS_FILES_OPEN,  "&Open files\tCtrl-Q");
  87   file_menu->Append(DIALOGS_FILE_SAVE,  "Sa&ve file");
  88   file_menu->Append(DIALOGS_DIR_CHOOSE,  "&Choose a directory\tCtrl-D");
  89   file_menu->AppendSeparator();
  90   file_menu->Append(wxID_EXIT, "E&xit\tAlt-X");
  91   wxMenuBar *menu_bar = new wxMenuBar;
  92   menu_bar->Append(file_menu, "&File");
  93   frame->SetMenuBar(menu_bar);
  94
  95   myCanvas = new MyCanvas(frame);
  96   myCanvas->SetBackgroundColour(*wxWHITE);
  97
  98   frame->Centre(wxBOTH);
  99
 100   // Show the frame
 101   frame->Show(TRUE);
 102
 103   SetTopWindow(frame);
 104
 105   return TRUE;
 106 }
 107
 108 // My frame constructor
 109 MyFrame::MyFrame(wxWindow *parent, const wxString& title, const wxPoint& pos, const wxSize& size):
 110   wxFrame(parent, -1, title, pos, size)
 111 {}
 112
 113 void MyFrame::ChooseColour(wxCommandEvent& WXUNUSED(event) )
 114 {
 115       wxColourData data;
 116       data.SetChooseFull(TRUE);
 117       for (int i = 0; i < 16; i++)
 118       {
 119         wxColour colour(i*16, i*16, i*16);
 120         data.SetCustomColour(i, colour);
 121       }
 122
 123       wxColourDialog *dialog = new wxColourDialog(this, &data);
 124       if (dialog->ShowModal() == wxID_OK)
 125       {
 126         wxColourData retData = dialog->GetColourData();
 127         wxColour col = retData.GetColour();
 128 //        wxBrush *brush = wxTheBrushList->FindOrCreateBrush(&col, wxSOLID);
 129         myCanvas->SetBackgroundColour(col);
 130         myCanvas->Clear();
 131         myCanvas->Refresh();
 132       }
 133       dialog->Destroy();
 134 }
 135
 136 void MyFrame::ChooseFont(wxCommandEvent& WXUNUSED(event) )
 137 {
 138       wxFontData data;
 139       data.SetInitialFont(wxGetApp().m_canvasFont);
 140       data.SetColour(wxGetApp().m_canvasTextColour);
 141
 142       wxFontDialog *dialog = new wxFontDialog(this, &data);
 143       if (dialog->ShowModal() == wxID_OK)
 144       {
 145         wxFontData retData = dialog->GetFontData();
 146         wxGetApp().m_canvasFont = retData.GetChosenFont();
 147         wxGetApp().m_canvasTextColour = retData.GetColour();
 148         myCanvas->Refresh();
 149       }
 150       dialog->Destroy();
 151 }
 152
 153 #if defined(__WXMSW__) && wxTEST_GENERIC_DIALOGS_IN_MSW
 154 void MyFrame::ChooseColourGeneric(wxCommandEvent& WXUNUSED(event))
 155 {
 156       wxColourData data;
 157       data.SetChooseFull(TRUE);
 158       for (int i = 0; i < 16; i++)
 159       {
 160         wxColour colour(i*16, i*16, i*16);
 161         data.SetCustomColour(i, colour);
 162       }
 163
 164       wxGenericColourDialog *dialog = new wxGenericColourDialog(this, &data);
 165       if (dialog->ShowModal() == wxID_OK)
 166       {
 167         wxColourData retData = dialog->GetColourData();
 168         wxColour col = retData.GetColour();
 169 //        wxBrush *brush = wxTheBrushList->FindOrCreateBrush(&col, wxSOLID);
 170         myCanvas->SetBackgroundColour(col);
 171         myCanvas->Clear();
 172         myCanvas->Refresh();
 173       }
 174       dialog->Destroy();
 175 }
 176
 177 void MyFrame::ChooseFontGeneric(wxCommandEvent& WXUNUSED(event) )
 178 {
 179       wxFontData data;
 180       data.SetInitialFont(wxGetApp().m_canvasFont);
 181       data.SetColour(wxGetApp().m_canvasTextColour);
 182
 183       wxGenericFontDialog *dialog = new wxGenericFontDialog(this, &data);
 184       if (dialog->ShowModal() == wxID_OK)
 185       {
 186         wxFontData retData = dialog->GetFontData();
 187         wxGetApp().m_canvasFont = retData.GetChosenFont();
 188         wxGetApp().m_canvasTextColour = retData.GetColour();
 189         myCanvas->Refresh();
 190       }
 191       dialog->Destroy();
 192 }
 193 #endif
 194
 195 void MyFrame::MessageBox(wxCommandEvent& WXUNUSED(event) )
 196 {
 197   wxMessageDialog dialog( this, "This is a message box\nA long, long string to test out the message box properly",
 198       "Message box text", wxYES_NO|wxCANCEL|wxICON_INFORMATION);
 199
 200   dialog.ShowModal();
 201 }
 202
 203 void MyFrame::NumericEntry(wxCommandEvent& WXUNUSED(event) )
 204 {
 205     long res = wxGetNumberFromUser( "This is some text, actually a lot of text.\n"
 206                                     "Even two rows of text.",
 207                                     "Enter a number:", "Numeric input test",
 208                                      50, 0, 100, this );
 209
 210     wxString msg;
 211     int icon;
 212     if ( res == -1 )
 213     {
 214         msg = "Invalid number entered or dialog cancelled.";
 215         icon = wxICON_HAND;
 216     }
 217     else
 218     {
 219         msg.Printf(_T("You've entered %lu"), res );
 220         icon = wxICON_INFORMATION;
 221     }
 222
 223     wxMessageBox(msg, "Numeric test result", wxOK | icon, this);
 224 }
 225
 226 void MyFrame::TextEntry(wxCommandEvent& WXUNUSED(event) )
 227 {
 228   wxTextEntryDialog dialog(this, "This is a small sample\nA long, long string to test out the text entrybox",
 229       "Please enter a string", "Default value", wxOK|wxCANCEL);
 230
 231   if (dialog.ShowModal() == wxID_OK)
 232   {
 233     wxMessageDialog dialog2(this, dialog.GetValue(), "Got string");
 234     dialog2.ShowModal();
 235   }
 236 }
 237
 238 void MyFrame::SingleChoice(wxCommandEvent& WXUNUSED(event) )
 239 {
 240     const wxString choices[] = { "One", "Two", "Three", "Four", "Five" } ;
 241     int n = 5;
 242
 243     wxSingleChoiceDialog dialog(this, "This is a small sample\nA single-choice convenience dialog",
 244         "Please select a value", n, (const wxString *)choices);
 245
 246     dialog.SetSelection(2);
 247
 248     if (dialog.ShowModal() == wxID_OK)
 249     {
 250         wxMessageDialog dialog2(this, dialog.GetStringSelection(), "Got string");
 251         dialog2.ShowModal();
 252     }
 253 }
 254
 255 void MyFrame::FileOpen(wxCommandEvent& WXUNUSED(event) )
 256 {
 257     wxFileDialog dialog(this, "Testing open file dialog", "", "", "*.txt", 0);
 258
 259     if (dialog.ShowModal() == wxID_OK)
 260     {
 261         wxString info;
 262         info.Printf(_T("Full file name: %s\n")
 263                     _T("Path: %s\n")
 264                     _T("Name: %s"),
 265                     dialog.GetPath().c_str(),
 266                     dialog.GetDirectory().c_str(),
 267                     dialog.GetFilename().c_str());
 268         wxMessageDialog dialog2(this, info, "Selected file");
 269         dialog2.ShowModal();
 270     }
 271 }
 272
 273 void MyFrame::FilesOpen(wxCommandEvent& WXUNUSED(event) )
 274 {
 275     wxFileDialog dialog(this, "Testing open multiple file dialog",
 276                         "", "", wxFileSelectorDefaultWildcardStr,
 277                         wxMULTIPLE);
 278
 279     if (dialog.ShowModal() == wxID_OK)
 280     {
 281         wxArrayString paths, filenames;
 282
 283         dialog.GetPaths(paths);
 284         dialog.GetFilenames(filenames);
 285
 286         wxString msg, s;
 287         size_t count = paths.GetCount();
 288         for ( size_t n = 0; n < count; n++ )
 289         {
 290             s.Printf(_T("File %d: %s (%s)\n"),
 291                      n, paths[n].c_str(), filenames[n].c_str());
 292
 293             msg += s;
 294         }
 295
 296         wxMessageDialog dialog2(this, msg, "Selected files");
 297         dialog2.ShowModal();
 298     }
 299 }
 300
 301 void MyFrame::FileSave(wxCommandEvent& WXUNUSED(event) )
 302 {
 303     wxFileDialog dialog(this, "Testing save file dialog", "", "myletter.txt",
 304         "Text files (*.txt)|*.txt|Document files (*.doc)|*.doc",
 305         wxSAVE|wxOVERWRITE_PROMPT);
 306
 307     if (dialog.ShowModal() == wxID_OK)
 308     {
 309         wxChar buf[400];
 310         wxSprintf(buf, _T("%s, filter %d"), (const wxChar*)dialog.GetPath(), dialog.GetFilterIndex());
 311         wxMessageDialog dialog2(this, wxString(buf), "Selected path");
 312         dialog2.ShowModal();
 313     }
 314 }
 315
 316 void MyFrame::DirChoose(wxCommandEvent& WXUNUSED(event) )
 317 {
 318     // pass some initial dir to wxDirDialog
 319     wxString dirHome;
 320     wxGetHomeDir(&dirHome);
 321
 322     wxDirDialog dialog(this, "Testing directory picker", dirHome);
 323
 324     if (dialog.ShowModal() == wxID_OK)
 325     {
 326         wxMessageDialog dialog2(this, dialog.GetPath(), "Selected path");
 327         dialog2.ShowModal();
 328     }
 329 }
 330
 331 void MyFrame::ShowTip(wxCommandEvent& event)
 332 {
 333 #if wxUSE_STARTUP_TIPS
 334     static size_t s_index = (size_t)-1;
 335
 336     if ( s_index == (size_t)-1 )
 337     {
 338         srand(time(NULL));
 339
 340         // this is completely bogus, we don't know how many lines are there
 341         // in the file, but who cares, it's a demo only...
 342         s_index = rand() % 5;
 343     }
 344
 345     wxTipProvider *tipProvider = wxCreateFileTipProvider("tips.txt", s_index);
 346
 347     bool showAtStartup = wxShowTip(this, tipProvider);
 348
 349     if ( showAtStartup )
 350     {
 351         wxMessageBox("Will show tips on startup", "Tips dialog",
 352                      wxOK | wxICON_INFORMATION, this);
 353     }
 354
 355     s_index = tipProvider->GetCurrentTip();
 356     delete tipProvider;
 357 #endif
 358 }
 359
 360 void MyFrame::OnExit(wxCommandEvent& WXUNUSED(event) )
 361 {
 362     Close(TRUE);
 363 }
 364
 365 void MyCanvas::OnPaint(wxPaintEvent& WXUNUSED(event) )
 366 {
 367     wxPaintDC dc(this);
 368     dc.SetFont(wxGetApp().m_canvasFont);
 369     dc.SetTextForeground(wxGetApp().m_canvasTextColour);
 370     dc.SetBackgroundMode(wxTRANSPARENT);
 371     dc.DrawText("wxWindows common dialogs test application", 10, 10);
 372 }
 373
 374 BEGIN_EVENT_TABLE(MyCanvas, wxScrolledWindow)
 375     EVT_PAINT(MyCanvas::OnPaint)
 376 END_EVENT_TABLE()
 377
 378 BEGIN_EVENT_TABLE(MyFrame, wxFrame)
 379     EVT_MENU(DIALOGS_CHOOSE_COLOUR,                MyFrame::ChooseColour)
 380     EVT_MENU(DIALOGS_CHOOSE_FONT,                MyFrame::ChooseFont)
 381     EVT_MENU(DIALOGS_MESSAGE_BOX,                MyFrame::MessageBox)
 382     EVT_MENU(DIALOGS_TEXT_ENTRY,                MyFrame::TextEntry)
 383     EVT_MENU(DIALOGS_NUM_ENTRY,                MyFrame::NumericEntry)
 384     EVT_MENU(DIALOGS_SINGLE_CHOICE,                MyFrame::SingleChoice)
 385     EVT_MENU(DIALOGS_FILE_OPEN,                    MyFrame::FileOpen)
 386     EVT_MENU(DIALOGS_FILES_OPEN,                   MyFrame::FilesOpen)
 387     EVT_MENU(DIALOGS_FILE_SAVE,                    MyFrame::FileSave)
 388     EVT_MENU(DIALOGS_DIR_CHOOSE,                MyFrame::DirChoose)
 389     EVT_MENU(DIALOGS_TIP,                        MyFrame::ShowTip)
 390 #if defined(__WXMSW__) && wxTEST_GENERIC_DIALOGS_IN_MSW
 391     EVT_MENU(DIALOGS_CHOOSE_COLOUR_GENERIC,        MyFrame::ChooseColourGeneric)
 392     EVT_MENU(DIALOGS_CHOOSE_FONT_GENERIC,        MyFrame::ChooseFontGeneric)
 393 #endif
 394     EVT_MENU(wxID_EXIT,                            MyFrame::OnExit)
 395 END_EVENT_TABLE()
 396