samples/widgets/clrpicker.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Program:     wxWidgets Widgets Sample
   3 // Name:        clrpicker.cpp
   4 // Purpose:     Shows wxColourPickerCtrl
   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_COLOURPICKERCTRL
  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/clrpicker.h"
  43 #include "widgets.h"
  44
  45 #include "icons/clrpicker.xpm"
  46
  47 // ----------------------------------------------------------------------------
  48 // constants
  49 // ----------------------------------------------------------------------------
  50
  51 // control ids
  52 enum
  53 {
  54     PickerPage_Reset = wxID_HIGHEST,
  55     PickerPage_Colour
  56 };
  57
  58
  59 // ----------------------------------------------------------------------------
  60 // ColourPickerWidgetsPage
  61 // ----------------------------------------------------------------------------
  62
  63 class ColourPickerWidgetsPage : public WidgetsPage
  64 {
  65 public:
  66     ColourPickerWidgetsPage(WidgetsBookCtrl *book, wxImageList *imaglist);
  67     virtual ~ColourPickerWidgetsPage(){};
  68
  69     virtual wxControl *GetWidget() const { return m_clrPicker; }
  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 OnColourChange(wxColourPickerEvent &ev);
  91     void OnCheckBox(wxCommandEvent &ev);
  92     void OnButtonReset(wxCommandEvent &ev);
  93
  94     // the picker
  95     wxColourPickerCtrl *m_clrPicker;
  96
  97
  98     // other controls
  99     // --------------
 100
 101     wxCheckBox *m_chkColourTextCtrl,
 102                *m_chkColourShowLabel;
 103     wxBoxSizer *m_sizer;
 104
 105 private:
 106     DECLARE_EVENT_TABLE()
 107     DECLARE_WIDGETS_PAGE(ColourPickerWidgetsPage)
 108 };
 109
 110 // ----------------------------------------------------------------------------
 111 // event tables
 112 // ----------------------------------------------------------------------------
 113
 114 BEGIN_EVENT_TABLE(ColourPickerWidgetsPage, WidgetsPage)
 115     EVT_BUTTON(PickerPage_Reset, ColourPickerWidgetsPage::OnButtonReset)
 116
 117     EVT_COLOURPICKER_CHANGED(PickerPage_Colour, ColourPickerWidgetsPage::OnColourChange)
 118
 119     EVT_CHECKBOX(wxID_ANY, ColourPickerWidgetsPage::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(ColourPickerWidgetsPage, wxT("ColourPicker"),
 133                        PICKER_CTRLS | FAMILY_CTRLS);
 134
 135 ColourPickerWidgetsPage::ColourPickerWidgetsPage(WidgetsBookCtrl *book,
 136                                      wxImageList *imaglist)
 137                   : WidgetsPage(book, imaglist, clrpicker_xpm)
 138 {
 139 }
 140
 141 void ColourPickerWidgetsPage::CreateContent()
 142 {
 143     // left pane
 144     wxSizer *boxleft = new wxBoxSizer(wxVERTICAL);
 145
 146     wxStaticBoxSizer *clrbox = new wxStaticBoxSizer(wxVERTICAL, this, wxT("&ColourPicker style"));
 147     m_chkColourTextCtrl = CreateCheckBoxAndAddToSizer(clrbox, wxT("With textctrl"), false);
 148     m_chkColourShowLabel = CreateCheckBoxAndAddToSizer(clrbox, wxT("With label"), false);
 149     boxleft->Add(clrbox, 0, wxALL|wxGROW, 5);
 150
 151     boxleft->Add(new wxButton(this, PickerPage_Reset, wxT("&Reset")),
 152                  0, wxALIGN_CENTRE_HORIZONTAL | wxALL, 15);
 153
 154     Reset();    // set checkboxes state
 155
 156     // create pickers
 157     m_clrPicker = NULL;
 158     CreatePicker();
 159
 160     // right pane
 161     m_sizer = new wxBoxSizer(wxVERTICAL);
 162     m_sizer->Add(1, 1, 1, wxGROW | wxALL, 5); // spacer
 163     m_sizer->Add(m_clrPicker, 0, wxALIGN_CENTER|wxALL, 5);
 164     m_sizer->Add(1, 1, 1, wxGROW | wxALL, 5); // spacer
 165
 166     // global pane
 167     wxSizer *sz = new wxBoxSizer(wxHORIZONTAL);
 168     sz->Add(boxleft, 0, wxGROW|wxALL, 5);
 169     sz->Add(m_sizer, 1, wxGROW|wxALL, 5);
 170
 171     SetSizer(sz);
 172 }
 173
 174 void ColourPickerWidgetsPage::CreatePicker()
 175 {
 176     delete m_clrPicker;
 177
 178     m_clrPicker = new wxColourPickerCtrl(this, PickerPage_Colour, *wxRED,
 179                                             wxDefaultPosition, wxDefaultSize,
 180                                             GetPickerStyle());
 181 }
 182
 183 long ColourPickerWidgetsPage::GetPickerStyle()
 184 {
 185     long style = 0;
 186
 187     if ( m_chkColourTextCtrl->GetValue() )
 188         style |= wxCLRP_USE_TEXTCTRL;
 189
 190     if ( m_chkColourShowLabel->GetValue() )
 191         style |= wxCLRP_SHOW_LABEL;
 192
 193     return style;
 194 }
 195
 196 void ColourPickerWidgetsPage::RecreatePicker()
 197 {
 198     m_sizer->Remove(1);
 199     CreatePicker();
 200     m_sizer->Insert(1, m_clrPicker, 0, wxALIGN_CENTER|wxALL, 5);
 201
 202     m_sizer->Layout();
 203 }
 204
 205 void ColourPickerWidgetsPage::Reset()
 206 {
 207     m_chkColourTextCtrl->SetValue((wxCLRP_DEFAULT_STYLE & wxCLRP_USE_TEXTCTRL) != 0);
 208     m_chkColourShowLabel->SetValue((wxCLRP_DEFAULT_STYLE & wxCLRP_SHOW_LABEL) != 0);
 209 }
 210
 211
 212 // ----------------------------------------------------------------------------
 213 // event handlers
 214 // ----------------------------------------------------------------------------
 215
 216 void ColourPickerWidgetsPage::OnButtonReset(wxCommandEvent& WXUNUSED(event))
 217 {
 218     Reset();
 219     RecreatePicker();
 220 }
 221
 222 void ColourPickerWidgetsPage::OnColourChange(wxColourPickerEvent& event)
 223 {
 224     wxLogMessage(wxT("The colour changed to '%s' !"),
 225                  event.GetColour().GetAsString(wxC2S_CSS_SYNTAX).c_str());
 226 }
 227
 228 void ColourPickerWidgetsPage::OnCheckBox(wxCommandEvent &event)
 229 {
 230     if (event.GetEventObject() == m_chkColourTextCtrl ||
 231         event.GetEventObject() == m_chkColourShowLabel)
 232         RecreatePicker();
 233 }
 234
 235 #endif  //  wxUSE_COLOURPICKERCTRL