src/generic/tipdlg.cpp

   1 ///////////////////////////////////////////////////////////////////////////////
   2 // Name:        tipdlg.cpp
   3 // Purpose:     implementation of wxTipDialog
   4 // Author:      Vadim Zeitlin
   5 // Modified by:
   6 // Created:     28.06.99
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) Vadim Zeitlin
   9 // Licence:     wxWindows licence
  10 ///////////////////////////////////////////////////////////////////////////////
  11
  12 // ============================================================================
  13 // declarations
  14 // ============================================================================
  15
  16 // ----------------------------------------------------------------------------
  17 // headers
  18 // ----------------------------------------------------------------------------
  19
  20 #ifdef __GNUG__
  21     #pragma implementation "tipdlg.h"
  22 #endif
  23
  24 // For compilers that support precompilation, includes "wx.h".
  25 #include "wx/wxprec.h"
  26
  27 #ifdef __BORLANDC__
  28     #pragma hdrstop
  29 #endif
  30
  31 #if wxUSE_STARTUP_TIPS
  32
  33 #ifndef WX_PRECOMP
  34     #include "wx/button.h"
  35     #include "wx/checkbox.h"
  36     #include "wx/statbox.h"
  37     #include "wx/dialog.h"
  38     #include "wx/icon.h"
  39     #include "wx/intl.h"
  40     #include "wx/settings.h"
  41     #include "wx/textctrl.h"
  42     #include "wx/statbmp.h"
  43     #include "wx/stattext.h"
  44     #include "wx/sizer.h"
  45 #endif // WX_PRECOMP
  46
  47 #include "wx/statline.h"
  48
  49 #include "wx/tipdlg.h"
  50
  51 // ----------------------------------------------------------------------------
  52 // constants
  53 // ----------------------------------------------------------------------------
  54
  55 static const int wxID_NEXT_TIP = -100;  // whatever
  56
  57 // ----------------------------------------------------------------------------
  58 // private classes
  59 // ----------------------------------------------------------------------------
  60
  61 // an implementation which takes the tips from the text file - each line
  62 // represents a tip
  63 class WXDLLEXPORT wxFileTipProvider : public wxTipProvider
  64 {
  65 public:
  66     wxFileTipProvider(const wxString& filename, size_t currentTip);
  67
  68     virtual wxString GetTip();
  69
  70 private:
  71     wxTextFile m_textfile;
  72 };
  73
  74 #ifdef __WIN32__
  75 // TODO an implementation which takes the tips from the given registry key
  76 class WXDLLEXPORT wxRegTipProvider : public wxTipProvider
  77 {
  78 public:
  79     wxRegTipProvider(const wxString& keyname);
  80
  81     virtual wxString GetTip();
  82 };
  83
  84 // Empty implementation for now to keep the linker happy
  85 wxString wxRegTipProvider::GetTip()
  86 {
  87     return wxEmptyString;
  88 }
  89
  90 #endif // __WIN32__
  91
  92 // the dialog we show in wxShowTip()
  93 class WXDLLEXPORT wxTipDialog : public wxDialog
  94 {
  95 public:
  96     wxTipDialog(wxWindow *parent,
  97                 wxTipProvider *tipProvider,
  98                 bool showAtStartup);
  99
 100     // the tip dialog has "Show tips on startup" checkbox - return TRUE if it
 101     // was checked (or wasn't unchecked)
 102     bool ShowTipsOnStartup() const { return m_checkbox->GetValue(); }
 103
 104     // sets the (next) tip text
 105     void SetTipText() { m_text->SetValue(m_tipProvider->GetTip()); }
 106
 107     // "Next" button handler
 108     void OnNextTip(wxCommandEvent& WXUNUSED(event)) { SetTipText(); }
 109
 110 private:
 111     wxTipProvider *m_tipProvider;
 112
 113     wxTextCtrl *m_text;
 114     wxCheckBox *m_checkbox;
 115
 116     DECLARE_EVENT_TABLE()
 117 };
 118
 119 // ============================================================================
 120 // implementation
 121 // ============================================================================
 122
 123 // ----------------------------------------------------------------------------
 124 // wxFileTipProvider
 125 // ----------------------------------------------------------------------------
 126
 127 wxFileTipProvider::wxFileTipProvider(const wxString& filename,
 128                                      size_t currentTip)
 129                  : wxTipProvider(currentTip), m_textfile(filename)
 130 {
 131     m_textfile.Open();
 132 }
 133
 134 wxString wxFileTipProvider::GetTip()
 135 {
 136     size_t count = m_textfile.GetLineCount();
 137     if ( !count )
 138         return _("Tips not available, sorry!");
 139
 140     // notice that it may be greater, actually, if we remembered it from the
 141     // last time and the number of tips changed
 142     if ( m_currentTip == count )
 143     {
 144         // wrap
 145         m_currentTip = 0;
 146     }
 147
 148     return m_textfile.GetLine(m_currentTip++);
 149 }
 150
 151 // ----------------------------------------------------------------------------
 152 // wxTipDialog
 153 // ----------------------------------------------------------------------------
 154
 155 BEGIN_EVENT_TABLE(wxTipDialog, wxDialog)
 156     EVT_BUTTON(wxID_NEXT_TIP, wxTipDialog::OnNextTip)
 157 END_EVENT_TABLE()
 158
 159 wxTipDialog::wxTipDialog(wxWindow *parent,
 160                          wxTipProvider *tipProvider,
 161                          bool showAtStartup)
 162            : wxDialog(parent, -1, _("Tip of the Day"),
 163                       wxDefaultPosition, wxDefaultSize,
 164                       wxDEFAULT_DIALOG_STYLE | wxRESIZE_BORDER)
 165 {
 166     m_tipProvider = tipProvider;
 167
 168     // 1) create all controls in tab order
 169
 170     wxButton *btnClose = new wxButton(this, wxID_CANCEL, _("&Close"));
 171
 172     m_checkbox = new wxCheckBox(this, -1, _("&Show tips at startup"));
 173     m_checkbox->SetValue(showAtStartup);
 174
 175     wxButton *btnNext = new wxButton(this, wxID_NEXT_TIP, _("&Next Tip"));
 176
 177     wxStaticText *text = new wxStaticText(this, -1, _("Did you know..."), wxDefaultPosition, wxSize(-1,30) );
 178 #if defined(__WXMSW__)
 179     text->SetFont(wxFont(16, wxSWISS, wxNORMAL, wxBOLD));
 180 #else
 181     text->SetFont(wxFont(18, wxSWISS, wxNORMAL, wxBOLD));
 182 #endif
 183 //
 184 //    text->SetBackgroundColour(wxSystemSettings::GetSystemColour(wxSYS_COLOUR_BTNFACE));
 185
 186     m_text = new wxTextCtrl(this, -1, wxT(""),
 187                             wxDefaultPosition, wxSize(200, 160),
 188                             wxTE_MULTILINE |
 189                             wxTE_READONLY |
 190                             wxTE_RICH | // a hack to get rid of vert scrollbar
 191                             wxSUNKEN_BORDER);
 192 #if defined(__WXMSW__)
 193     m_text->SetFont(wxFont(12, wxROMAN, wxNORMAL, wxNORMAL));
 194 #else
 195     m_text->SetFont(wxFont(14, wxROMAN, wxNORMAL, wxNORMAL));
 196 #endif
 197
 198 #if defined(__WXMSW__) || defined(__WXPM__)
 199     wxIcon icon("wxICON_TIP");
 200 #else
 201     #include "wx/generic/tip.xpm"
 202     wxIcon icon(tipIcon);
 203 #endif
 204     wxStaticBitmap *bmp = new wxStaticBitmap(this, -1, icon);
 205
 206     // 2) put them in boxes
 207
 208     wxBoxSizer *topsizer = new wxBoxSizer( wxVERTICAL );
 209
 210     wxBoxSizer *icon_text = new wxBoxSizer( wxHORIZONTAL );
 211     icon_text->Add( bmp, 0, wxCENTER );
 212     icon_text->Add( text, 1, wxCENTER | wxLEFT, 20 );
 213     topsizer->Add( icon_text, 0, wxEXPAND | wxALL, 10 );
 214
 215     topsizer->Add( m_text, 1, wxEXPAND | wxLEFT|wxRIGHT, 10 );
 216
 217     wxBoxSizer *bottom = new wxBoxSizer( wxHORIZONTAL );
 218     bottom->Add( m_checkbox, 0, wxCENTER );
 219     bottom->Add( 10,10,1 );
 220     bottom->Add( btnNext, 0, wxCENTER | wxLEFT, 10 );
 221     bottom->Add( btnClose, 0, wxCENTER | wxLEFT, 10 );
 222     topsizer->Add( bottom, 0, wxEXPAND | wxALL, 10 );
 223
 224     SetTipText();
 225
 226     SetAutoLayout(TRUE);
 227     SetSizer( topsizer );
 228
 229     topsizer->SetSizeHints( this );
 230     topsizer->Fit( this );
 231
 232     Centre(wxBOTH | wxCENTER_FRAME);
 233
 234 }
 235
 236 // ----------------------------------------------------------------------------
 237 // our public interface
 238 // ----------------------------------------------------------------------------
 239
 240 wxTipProvider *wxCreateFileTipProvider(const wxString& filename,
 241                                        size_t currentTip)
 242 {
 243     return new wxFileTipProvider(filename, currentTip);
 244 }
 245
 246 bool wxShowTip(wxWindow *parent,
 247                wxTipProvider *tipProvider,
 248                bool showAtStartup)
 249 {
 250     wxTipDialog dlg(parent, tipProvider, showAtStartup);
 251     dlg.ShowModal();
 252
 253     return dlg.ShowTipsOnStartup();
 254 }
 255
 256 #endif // wxUSE_STARTUP_TIPS
 257