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 // Copyright:   (c) 2006 Francesco Montorsi
   8 // Licence:     wxWindows licence
   9 /////////////////////////////////////////////////////////////////////////////
  10
  11 // ============================================================================
  12 // declarations
  13 // ============================================================================
  14
  15 // ----------------------------------------------------------------------------
  16 // headers
  17 // ----------------------------------------------------------------------------
  18
  19 // for compilers that support precompilation, includes "wx/wx.h".
  20 #include "wx/wxprec.h"
  21
  22 #ifdef __BORLANDC__
  23     #pragma hdrstop
  24 #endif
  25
  26 #if wxUSE_FONTPICKERCTRL
  27
  28 // for all others, include the necessary headers
  29 #ifndef WX_PRECOMP
  30     #include "wx/app.h"
  31     #include "wx/log.h"
  32     #include "wx/radiobox.h"
  33 #endif
  34
  35 #include "wx/artprov.h"
  36 #include "wx/sizer.h"
  37 #include "wx/stattext.h"
  38 #include "wx/checkbox.h"
  39 #include "wx/imaglist.h"
  40
  41 #include "wx/fontpicker.h"
  42 #include "widgets.h"
  43
  44 #include "icons/fontpicker.xpm"
  45
  46 // ----------------------------------------------------------------------------
  47 // constants
  48 // ----------------------------------------------------------------------------
  49
  50 // control ids
  51 enum
  52 {
  53     PickerPage_Reset = wxID_HIGHEST,
  54     PickerPage_Font
  55 };
  56
  57
  58 // ----------------------------------------------------------------------------
  59 // FontPickerWidgetsPage
  60 // ----------------------------------------------------------------------------
  61
  62 class FontPickerWidgetsPage : public WidgetsPage
  63 {
  64 public:
  65     FontPickerWidgetsPage(WidgetsBookCtrl *book, wxImageList *imaglist);
  66     virtual ~FontPickerWidgetsPage(){};
  67
  68     virtual wxControl *GetWidget() const { return m_fontPicker; }
  69     virtual void RecreateWidget() { RecreatePicker(); }
  70
  71     // lazy creation of the content
  72     virtual void CreateContent();
  73
  74 protected:
  75
  76     // called only once at first construction
  77     void CreatePicker();
  78
  79     // called to recreate an existing control
  80     void RecreatePicker();
  81
  82     // restore the checkboxes state to the initial values
  83     void Reset();
  84
  85     // get the initial style for the picker of the given kind
  86     long GetPickerStyle();
  87
  88
  89     void OnFontChange(wxFontPickerEvent &ev);
  90     void OnCheckBox(wxCommandEvent &ev);
  91     void OnButtonReset(wxCommandEvent &ev);
  92
  93     // the picker
  94     wxFontPickerCtrl *m_fontPicker;
  95
  96
  97     // other controls
  98     // --------------
  99
 100     wxCheckBox *m_chkFontTextCtrl,
 101                *m_chkFontDescAsLabel,
 102                *m_chkFontUseFontForLabel;
 103     wxBoxSizer *m_sizer;
 104
 105 private:
 106     DECLARE_EVENT_TABLE()
 107     DECLARE_WIDGETS_PAGE(FontPickerWidgetsPage)
 108 };
 109
 110 // ----------------------------------------------------------------------------
 111 // event tables
 112 // ----------------------------------------------------------------------------
 113
 114 BEGIN_EVENT_TABLE(FontPickerWidgetsPage, WidgetsPage)
 115     EVT_BUTTON(PickerPage_Reset, FontPickerWidgetsPage::OnButtonReset)
 116
 117     EVT_FONTPICKER_CHANGED(PickerPage_Font, FontPickerWidgetsPage::OnFontChange)
 118
 119     EVT_CHECKBOX(wxID_ANY, FontPickerWidgetsPage::OnCheckBox)
 120 END_EVENT_TABLE()
 121
 122 // ============================================================================
 123 // implementation
 124 // ============================================================================
 125
 126 #if defined(__WXGTK24__)
 127     #define FAMILY_CTRLS NATIVE_CTRLS
 128 #else
 129     #define FAMILY_CTRLS GENERIC_CTRLS
 130 #endif
 131
 132 IMPLEMENT_WIDGETS_PAGE(FontPickerWidgetsPage, wxT("FontPicker"),
 133                        PICKER_CTRLS | FAMILY_CTRLS);
 134
 135 FontPickerWidgetsPage::FontPickerWidgetsPage(WidgetsBookCtrl *book,
 136                                      wxImageList *imaglist)
 137                   : WidgetsPage(book, imaglist, fontpicker_xpm)
 138 {
 139 }
 140
 141 void FontPickerWidgetsPage::CreateContent()
 142 {
 143     // left pane
 144     wxSizer *boxleft = new wxBoxSizer(wxVERTICAL);
 145
 146     wxStaticBoxSizer *fontbox = new wxStaticBoxSizer(wxVERTICAL, this, wxT("&FontPicker style"));
 147     m_chkFontTextCtrl = CreateCheckBoxAndAddToSizer(fontbox, wxT("With textctrl"));
 148     m_chkFontDescAsLabel = CreateCheckBoxAndAddToSizer(fontbox, wxT("Font desc as btn label"));
 149     m_chkFontUseFontForLabel = CreateCheckBoxAndAddToSizer(fontbox, wxT("Use font for label"));
 150     boxleft->Add(fontbox, 0, wxALL|wxGROW, 5);
 151
 152     boxleft->Add(new wxButton(this, PickerPage_Reset, wxT("&Reset")),
 153                  0, wxALIGN_CENTRE_HORIZONTAL | wxALL, 15);
 154
 155     Reset();    // set checkboxes state
 156
 157     // create pickers
 158     m_fontPicker = NULL;
 159     CreatePicker();
 160
 161     // right pane
 162     m_sizer = new wxBoxSizer(wxVERTICAL);
 163     m_sizer->Add(1, 1, 1, wxGROW | wxALL, 5); // spacer
 164     m_sizer->Add(m_fontPicker, 0, wxALIGN_CENTER|wxALL, 5);
 165     m_sizer->Add(1, 1, 1, wxGROW | wxALL, 5); // spacer
 166
 167     // global pane
 168     wxSizer *sz = new wxBoxSizer(wxHORIZONTAL);
 169     sz->Add(boxleft, 0, wxGROW|wxALL, 5);
 170     sz->Add(m_sizer, 1, wxGROW|wxALL, 5);
 171
 172     SetSizer(sz);
 173 }
 174
 175 void FontPickerWidgetsPage::CreatePicker()
 176 {
 177     delete m_fontPicker;
 178
 179     m_fontPicker = new wxFontPickerCtrl(this, PickerPage_Font,
 180                                         *wxSWISS_FONT,
 181                                         wxDefaultPosition, wxDefaultSize,
 182                                         GetPickerStyle());
 183 }
 184
 185 long FontPickerWidgetsPage::GetPickerStyle()
 186 {
 187     long style = 0;
 188
 189     if ( m_chkFontTextCtrl->GetValue() )
 190         style |= wxFNTP_USE_TEXTCTRL;
 191
 192     if ( m_chkFontUseFontForLabel->GetValue() )
 193         style |= wxFNTP_USEFONT_FOR_LABEL;
 194
 195     if ( m_chkFontDescAsLabel->GetValue() )
 196             style |= wxFNTP_FONTDESC_AS_LABEL;
 197
 198     return style;
 199 }
 200
 201 void FontPickerWidgetsPage::RecreatePicker()
 202 {
 203     m_sizer->Remove(1);
 204     CreatePicker();
 205     m_sizer->Insert(1, m_fontPicker, 0, wxALIGN_CENTER|wxALL, 5);
 206
 207     m_sizer->Layout();
 208 }
 209
 210 void FontPickerWidgetsPage::Reset()
 211 {
 212     m_chkFontTextCtrl->SetValue((wxFNTP_DEFAULT_STYLE & wxFNTP_USE_TEXTCTRL) != 0);
 213     m_chkFontUseFontForLabel->SetValue((wxFNTP_DEFAULT_STYLE & wxFNTP_USEFONT_FOR_LABEL) != 0);
 214     m_chkFontDescAsLabel->SetValue((wxFNTP_DEFAULT_STYLE & wxFNTP_FONTDESC_AS_LABEL) != 0);
 215 }
 216
 217
 218 // ----------------------------------------------------------------------------
 219 // event handlers
 220 // ----------------------------------------------------------------------------
 221
 222 void FontPickerWidgetsPage::OnButtonReset(wxCommandEvent& WXUNUSED(event))
 223 {
 224     Reset();
 225     RecreatePicker();
 226 }
 227
 228 void FontPickerWidgetsPage::OnFontChange(wxFontPickerEvent& event)
 229 {
 230     wxLogMessage(wxT("The font changed to '%s' with size %d !"),
 231                  event.GetFont().GetFaceName().c_str(), event.GetFont().GetPointSize());
 232 }
 233
 234 void FontPickerWidgetsPage::OnCheckBox(wxCommandEvent &event)
 235 {
 236     if (event.GetEventObject() == m_chkFontTextCtrl ||
 237         event.GetEventObject() == m_chkFontDescAsLabel ||
 238         event.GetEventObject() == m_chkFontUseFontForLabel)
 239         RecreatePicker();
 240 }
 241
 242 #endif  //  wxUSE_FONTPICKERCTRL