samples/widgets/fontpicker.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Program:     wxWidgets Widgets Sample
   3 // Name:        fontpicker.cpp
   4 // Purpose:     Shows wxFontPickerCtrl
   5 // Author:      Francesco Montorsi
   6 // Created:     20/6/2006
   7 // Id:          $Id$
   8 // Copyright:   (c) 2006 Francesco Montorsi
   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_FONTPICKERCTRL
  28
  29 // for all others, include the necessary headers
  30 #ifndef WX_PRECOMP
  31     #include "wx/app.h"
  32     #include "wx/log.h"
  33     #include "wx/radiobox.h"
  34 #endif
  35
  36 #include "wx/artprov.h"
  37 #include "wx/sizer.h"
  38 #include "wx/stattext.h"
  39 #include "wx/checkbox.h"
  40 #include "wx/imaglist.h"
  41
  42 #include "wx/fontpicker.h"
  43 #include "widgets.h"
  44
  45 #include "icons/fontpicker.xpm"
  46
  47 // ----------------------------------------------------------------------------
  48 // constants
  49 // ----------------------------------------------------------------------------
  50
  51 // control ids
  52 enum
  53 {
  54     PickerPage_Reset = wxID_HIGHEST,
  55     PickerPage_Font
  56 };
  57
  58
  59 // ----------------------------------------------------------------------------
  60 // FontPickerWidgetsPage
  61 // ----------------------------------------------------------------------------
  62
  63 class FontPickerWidgetsPage : public WidgetsPage
  64 {
  65 public:
  66     FontPickerWidgetsPage(WidgetsBookCtrl *book, wxImageList *imaglist);
  67     virtual ~FontPickerWidgetsPage(){};
  68
  69     virtual wxControl *GetWidget() const { return m_fontPicker; }
  70     virtual void RecreateWidget() { RecreatePicker(); }
  71
  72     // lazy creation of the content
  73     virtual void CreateContent();
  74
  75 protected:
  76
  77     // called only once at first construction
  78     void CreatePicker();
  79
  80     // called to recreate an existing control
  81     void RecreatePicker();
  82
  83     // restore the checkboxes state to the initial values
  84     void Reset();
  85
  86     // get the initial style for the picker of the given kind
  87     long GetPickerStyle();
  88
  89
  90     void OnFontChange(wxFontPickerEvent &ev);
  91     void OnCheckBox(wxCommandEvent &ev);
  92     void OnButtonReset(wxCommandEvent &ev);
  93
  94     // the picker
  95     wxFontPickerCtrl *m_fontPicker;
  96
  97
  98     // other controls
  99     // --------------
 100
 101     wxCheckBox *m_chkFontTextCtrl,
 102                *m_chkFontDescAsLabel,
 103                *m_chkFontUseFontForLabel;
 104     wxBoxSizer *m_sizer;
 105
 106 private:
 107     DECLARE_EVENT_TABLE()
 108     DECLARE_WIDGETS_PAGE(FontPickerWidgetsPage)
 109 };
 110
 111 // ----------------------------------------------------------------------------
 112 // event tables
 113 // ----------------------------------------------------------------------------
 114
 115 BEGIN_EVENT_TABLE(FontPickerWidgetsPage, WidgetsPage)
 116     EVT_BUTTON(PickerPage_Reset, FontPickerWidgetsPage::OnButtonReset)
 117
 118     EVT_FONTPICKER_CHANGED(PickerPage_Font, FontPickerWidgetsPage::OnFontChange)
 119
 120     EVT_CHECKBOX(wxID_ANY, FontPickerWidgetsPage::OnCheckBox)
 121 END_EVENT_TABLE()
 122
 123 // ============================================================================
 124 // implementation
 125 // ============================================================================
 126
 127 #if defined(__WXGTK24__)
 128     #define FAMILY_CTRLS NATIVE_CTRLS
 129 #else
 130     #define FAMILY_CTRLS GENERIC_CTRLS
 131 #endif
 132
 133 IMPLEMENT_WIDGETS_PAGE(FontPickerWidgetsPage, _T("FontPicker"),
 134                        PICKER_CTRLS | FAMILY_CTRLS);
 135
 136 FontPickerWidgetsPage::FontPickerWidgetsPage(WidgetsBookCtrl *book,
 137                                      wxImageList *imaglist)
 138                   : WidgetsPage(book, imaglist, fontpicker_xpm)
 139 {
 140 }
 141
 142 void FontPickerWidgetsPage::CreateContent()
 143 {
 144     // left pane
 145     wxSizer *boxleft = new wxBoxSizer(wxVERTICAL);
 146
 147     wxStaticBoxSizer *fontbox = new wxStaticBoxSizer(wxVERTICAL, this, _T("&FontPicker style"));
 148     m_chkFontTextCtrl = CreateCheckBoxAndAddToSizer(fontbox, _T("With textctrl"));
 149     m_chkFontDescAsLabel = CreateCheckBoxAndAddToSizer(fontbox, _T("Font desc as btn label"));
 150     m_chkFontUseFontForLabel = CreateCheckBoxAndAddToSizer(fontbox, _T("Use font for label"), false);
 151     boxleft->Add(fontbox, 0, wxALL|wxGROW, 5);
 152
 153     boxleft->Add(new wxButton(this, PickerPage_Reset, _T("&Reset")),
 154                  0, wxALIGN_CENTRE_HORIZONTAL | wxALL, 15);
 155
 156     Reset();    // set checkboxes state
 157
 158     // create pickers
 159     m_fontPicker = NULL;
 160     CreatePicker();
 161
 162     // right pane
 163     m_sizer = new wxBoxSizer(wxVERTICAL);
 164     m_sizer->Add(1, 1, 1, wxGROW | wxALL, 5); // spacer
 165     m_sizer->Add(m_fontPicker, 0, wxALIGN_CENTER|wxALL, 5);
 166     m_sizer->Add(1, 1, 1, wxGROW | wxALL, 5); // spacer
 167
 168     // global pane
 169     wxSizer *sz = new wxBoxSizer(wxHORIZONTAL);
 170     sz->Add(boxleft, 0, wxGROW|wxALL, 5);
 171     sz->Add(m_sizer, 1, wxGROW|wxALL, 5);
 172
 173     SetSizer(sz);
 174 }
 175
 176 void FontPickerWidgetsPage::CreatePicker()
 177 {
 178     delete m_fontPicker;
 179
 180     m_fontPicker = new wxFontPickerCtrl(this, PickerPage_Font,
 181                                         *wxSWISS_FONT,
 182                                         wxDefaultPosition, wxDefaultSize,
 183                                         GetPickerStyle());
 184 }
 185
 186 long FontPickerWidgetsPage::GetPickerStyle()
 187 {
 188     long style = 0;
 189
 190     if ( m_chkFontTextCtrl->GetValue() )
 191         style |= wxFNTP_USE_TEXTCTRL;
 192
 193     if ( m_chkFontUseFontForLabel->GetValue() )
 194         style |= wxFNTP_USEFONT_FOR_LABEL;
 195
 196     if ( m_chkFontDescAsLabel->GetValue() )
 197             style |= wxFNTP_FONTDESC_AS_LABEL;
 198
 199     return style;
 200 }
 201
 202 void FontPickerWidgetsPage::RecreatePicker()
 203 {
 204     m_sizer->Remove(1);
 205     CreatePicker();
 206     m_sizer->Insert(1, m_fontPicker, 0, wxALIGN_CENTER|wxALL, 5);
 207
 208     m_sizer->Layout();
 209 }
 210
 211 void FontPickerWidgetsPage::Reset()
 212 {
 213     m_chkFontTextCtrl->SetValue((wxFNTP_DEFAULT_STYLE & wxFNTP_USE_TEXTCTRL) != 0);
 214     m_chkFontUseFontForLabel->SetValue((wxFNTP_DEFAULT_STYLE & wxFNTP_USEFONT_FOR_LABEL) != 0);
 215     m_chkFontDescAsLabel->SetValue((wxFNTP_DEFAULT_STYLE & wxFNTP_FONTDESC_AS_LABEL) != 0);
 216 }
 217
 218
 219 // ----------------------------------------------------------------------------
 220 // event handlers
 221 // ----------------------------------------------------------------------------
 222
 223 void FontPickerWidgetsPage::OnButtonReset(wxCommandEvent& WXUNUSED(event))
 224 {
 225     Reset();
 226     RecreatePicker();
 227 }
 228
 229 void FontPickerWidgetsPage::OnFontChange(wxFontPickerEvent& event)
 230 {
 231     wxLogMessage(wxT("The font changed to '%s' with size %d !"),
 232                  event.GetFont().GetFaceName().c_str(), event.GetFont().GetPointSize());
 233 }
 234
 235 void FontPickerWidgetsPage::OnCheckBox(wxCommandEvent &event)
 236 {
 237     if (event.GetEventObject() == m_chkFontTextCtrl ||
 238         event.GetEventObject() == m_chkFontDescAsLabel ||
 239         event.GetEventObject() == m_chkFontUseFontForLabel)
 240         RecreatePicker();
 241 }
 242
 243 #endif  //  wxUSE_FONTPICKERCTRL