samples/widgets/hyperlnk.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Program:     wxWidgets Widgets Sample
   3 // Name:        hyperlnk.cpp
   4 // Purpose:     Part of the widgets sample showing wxHyperlinkCtrl
   5 // Author:      Dimitri Schoolwerth, Vadim Zeitlin
   6 // Created:     27 Sep 2003
   7 // Id:          $Id$
   8 // Copyright:   (c) 2003 wxWindows team
   9 // License:     wxWindows license
  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 #if wxUSE_HYPERLINKCTRL
  28
  29 // for all others, include the necessary headers
  30 #ifndef WX_PRECOMP
  31     #include "wx/app.h"
  32     #include "wx/log.h"
  33
  34     #include "wx/bitmap.h"
  35     #include "wx/button.h"
  36     #include "wx/checkbox.h"
  37     #include "wx/radiobox.h"
  38     #include "wx/statbox.h"
  39     #include "wx/stattext.h"
  40     #include "wx/textctrl.h"
  41
  42     #include "wx/sizer.h"
  43 #endif
  44
  45 #include "wx/hyperlink.h"
  46
  47 #include "widgets.h"
  48
  49 #include "icons/hyperlnk.xpm"
  50
  51 // ----------------------------------------------------------------------------
  52 // constants
  53 // ----------------------------------------------------------------------------
  54
  55 // control ids
  56 enum
  57 {
  58     HyperlinkPage_Reset = wxID_HIGHEST,
  59     HyperlinkPage_SetLabel,
  60     HyperlinkPage_SetURL,
  61     HyperlinkPage_Ctrl
  62 };
  63
  64 // alignment radiobox indices
  65 enum
  66 {
  67     Align_Left,
  68     Align_Centre,
  69     Align_Right,
  70     Align_Max
  71 };
  72
  73 // ----------------------------------------------------------------------------
  74 // CheckBoxWidgetsPage
  75 // ----------------------------------------------------------------------------
  76
  77 class HyperlinkWidgetsPage : public WidgetsPage
  78 {
  79 public:
  80     HyperlinkWidgetsPage(WidgetsBookCtrl *book, wxImageList *imaglist);
  81     virtual ~HyperlinkWidgetsPage() {}
  82
  83     virtual wxControl *GetWidget() const { return m_hyperlink; }
  84     virtual void RecreateWidget() { CreateHyperlink(); }
  85
  86     // lazy creation of the content
  87     virtual void CreateContent();
  88
  89 protected:
  90     // event handlers
  91     void OnButtonSetLabel(wxCommandEvent& event);
  92     void OnButtonSetURL(wxCommandEvent& event);
  93
  94     void OnButtonReset(wxCommandEvent& event);
  95     void OnAlignment(wxCommandEvent& event);
  96
  97     // reset the control parameters
  98     void Reset();
  99
 100     // (re)create the hyperctrl
 101     void CreateHyperlink();
 102     void CreateHyperlinkLong(long);
 103
 104     // the controls
 105     // ------------
 106
 107     // the checkbox itself and the sizer it is in
 108     wxHyperlinkCtrl *m_hyperlink;
 109     wxHyperlinkCtrl *m_hyperlinkLong;
 110
 111     wxTextCtrl *m_label;
 112     wxTextCtrl *m_url;
 113
 114     wxStaticText *m_visit;
 115     wxStaticText *m_fun;
 116
 117     // the text entries for command parameters
 118     wxTextCtrl *m_textLabel;
 119
 120     wxRadioBox *m_radioAlignMode;
 121
 122 private:
 123     DECLARE_EVENT_TABLE()
 124     DECLARE_WIDGETS_PAGE(HyperlinkWidgetsPage)
 125 };
 126
 127 // ----------------------------------------------------------------------------
 128 // event tables
 129 // ----------------------------------------------------------------------------
 130
 131 BEGIN_EVENT_TABLE(HyperlinkWidgetsPage, WidgetsPage)
 132     EVT_BUTTON(HyperlinkPage_Reset, HyperlinkWidgetsPage::OnButtonReset)
 133     EVT_BUTTON(HyperlinkPage_SetLabel, HyperlinkWidgetsPage::OnButtonSetLabel)
 134     EVT_BUTTON(HyperlinkPage_SetURL, HyperlinkWidgetsPage::OnButtonSetURL)
 135
 136     EVT_RADIOBOX(wxID_ANY, HyperlinkWidgetsPage::OnAlignment)
 137 END_EVENT_TABLE()
 138
 139 // ============================================================================
 140 // implementation
 141 // ============================================================================
 142
 143 IMPLEMENT_WIDGETS_PAGE(HyperlinkWidgetsPage, wxT("Hyperlink"),
 144                        GENERIC_CTRLS
 145                        );
 146
 147 HyperlinkWidgetsPage::HyperlinkWidgetsPage(WidgetsBookCtrl *book,
 148                                            wxImageList *imaglist)
 149                      :WidgetsPage(book, imaglist, hyperlnk_xpm)
 150 {
 151 }
 152
 153 void HyperlinkWidgetsPage::CreateContent()
 154 {
 155     wxSizer *sizerTop = new wxBoxSizer(wxHORIZONTAL);
 156
 157     // left pane
 158     wxStaticBox *box = new wxStaticBox(this, wxID_ANY, wxT("Hyperlink details"));
 159
 160     wxSizer *sizerLeft = new wxStaticBoxSizer(box, wxVERTICAL);
 161
 162     sizerLeft->Add( CreateSizerWithTextAndButton( HyperlinkPage_SetLabel , wxT("Set &Label"), wxID_ANY, &m_label ),
 163                     0, wxALL | wxALIGN_RIGHT , 5 );
 164
 165     sizerLeft->Add( CreateSizerWithTextAndButton( HyperlinkPage_SetURL , wxT("Set &URL"), wxID_ANY, &m_url ),
 166                     0, wxALL | wxALIGN_RIGHT , 5 );
 167
 168     static const wxString alignments[] =
 169     {
 170         _T("&left"),
 171         _T("&centre"),
 172         _T("&right")
 173     };
 174     wxCOMPILE_TIME_ASSERT( WXSIZEOF(alignments) == Align_Max,
 175                            AlignMismatch );
 176
 177     m_radioAlignMode = new wxRadioBox(this, wxID_ANY, _T("alignment"),
 178                                       wxDefaultPosition, wxDefaultSize,
 179                                       WXSIZEOF(alignments), alignments);
 180     m_radioAlignMode->SetSelection(1);  // start with "centre" selected since
 181                                         // wxHL_DEFAULT_STYLE contains wxHL_ALIGN_CENTRE
 182     sizerLeft->Add(m_radioAlignMode, 0, wxALL|wxGROW, 5);
 183
 184
 185
 186     // right pane
 187     wxSizer *szHyperlinkLong = new wxBoxSizer(wxVERTICAL);
 188     wxSizer *szHyperlink = new wxBoxSizer(wxHORIZONTAL);
 189
 190     m_visit = new wxStaticText(this, wxID_ANY, wxT("Visit "));
 191
 192     m_hyperlink = new wxHyperlinkCtrl(this,
 193                                       HyperlinkPage_Ctrl,
 194                                       wxT("wxWidgets website"),
 195                                       wxT("www.wxwidgets.org"));
 196
 197     m_fun = new wxStaticText(this, wxID_ANY, wxT(" for fun!"));
 198
 199     szHyperlink->Add(0, 0, 1, wxCENTRE);
 200     szHyperlink->Add(m_visit, 0, wxCENTRE);
 201     szHyperlink->Add(m_hyperlink, 0, wxCENTRE);
 202     szHyperlink->Add(m_fun, 0, wxCENTRE);
 203     szHyperlink->Add(0, 0, 1, wxCENTRE);
 204     szHyperlink->SetMinSize(150, 0);
 205
 206     m_hyperlinkLong = new wxHyperlinkCtrl(this,
 207                                           wxID_ANY,
 208                                           wxT("This is a long hyperlink"),
 209                                           wxT("www.wxwidgets.org"));
 210
 211     szHyperlinkLong->Add(0, 0, 1, wxCENTRE);
 212     szHyperlinkLong->Add(szHyperlink, 0, wxCENTRE|wxGROW);
 213     szHyperlinkLong->Add(0, 0, 1, wxCENTRE);
 214     szHyperlinkLong->Add(m_hyperlinkLong, 0, wxGROW);
 215     szHyperlinkLong->Add(0, 0, 1, wxCENTRE);
 216
 217
 218     // the 3 panes panes compose the window
 219     sizerTop->Add(sizerLeft, 0, (wxALL & ~wxLEFT), 10);
 220     sizerTop->Add(szHyperlinkLong, 1, wxGROW | (wxALL & ~wxRIGHT), 10);
 221
 222     // final initializations
 223     Reset();
 224
 225     SetSizer(sizerTop);
 226 }
 227
 228 void HyperlinkWidgetsPage::Reset()
 229 {
 230     m_label->SetValue(m_hyperlink->GetLabel());
 231     m_url->SetValue(m_hyperlink->GetURL());
 232 }
 233
 234 void HyperlinkWidgetsPage::CreateHyperlink()
 235 {
 236     const wxString label = m_hyperlink->GetLabel();
 237     const wxString url = m_hyperlink->GetURL();
 238
 239     wxHyperlinkCtrl *hyp = new wxHyperlinkCtrl(this,
 240                                                HyperlinkPage_Ctrl,
 241                                                label,
 242                                                url);
 243
 244     // update sizer's child window
 245     GetSizer()->Replace(m_hyperlink, hyp, true);
 246
 247     // update our pointer
 248     delete m_hyperlink;
 249     m_hyperlink = hyp;
 250
 251     // relayout the sizer
 252     GetSizer()->Layout();
 253 }
 254
 255 void HyperlinkWidgetsPage::CreateHyperlinkLong(long style)
 256 {
 257     style = (wxHL_DEFAULT_STYLE & ~wxHL_ALIGN_CENTRE)|style;
 258     wxHyperlinkCtrl *hyp = new wxHyperlinkCtrl(this,
 259                                                wxID_ANY,
 260                                                wxT("This is a long hyperlink"),
 261                                                wxT("www.wxwidgets.org"),
 262                                                wxDefaultPosition,
 263                                                wxDefaultSize,
 264                                                style);
 265
 266     // update sizer's child window
 267     GetSizer()->Replace(m_hyperlinkLong, hyp, true);
 268
 269     // update our pointer
 270     delete m_hyperlinkLong;
 271     m_hyperlinkLong = hyp;
 272
 273     // relayout the sizer
 274     GetSizer()->Layout();
 275 }
 276
 277 // ----------------------------------------------------------------------------
 278 // event handlers
 279 // ----------------------------------------------------------------------------
 280
 281 void HyperlinkWidgetsPage::OnButtonReset(wxCommandEvent& WXUNUSED(event))
 282 {
 283     Reset();
 284
 285     CreateHyperlink();
 286 }
 287
 288 void HyperlinkWidgetsPage::OnButtonSetLabel(wxCommandEvent& WXUNUSED(event))
 289 {
 290     m_hyperlink->SetLabel(m_label->GetValue());
 291     CreateHyperlink();
 292 }
 293
 294 void HyperlinkWidgetsPage::OnButtonSetURL(wxCommandEvent& WXUNUSED(event))
 295 {
 296     m_hyperlink->SetURL(m_url->GetValue());
 297     CreateHyperlink();
 298 }
 299
 300 void HyperlinkWidgetsPage::OnAlignment(wxCommandEvent& WXUNUSED(event))
 301 {
 302     long addstyle;
 303     switch ( m_radioAlignMode->GetSelection() )
 304     {
 305         default:
 306         case Align_Max:
 307             wxFAIL_MSG( _T("unknown alignment") );
 308             // fall through
 309
 310         case Align_Left:
 311             addstyle = wxHL_ALIGN_LEFT;
 312             break;
 313
 314         case Align_Centre:
 315             addstyle = wxHL_ALIGN_CENTRE;
 316             break;
 317
 318         case Align_Right:
 319             addstyle = wxHL_ALIGN_RIGHT;
 320             break;
 321     }
 322
 323     CreateHyperlinkLong(addstyle);
 324 }
 325
 326 #endif // wxUSE_HYPERLINKCTRL