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 // 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_COLOURPICKERCTRL
  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/clrpicker.h"
  42 #include "widgets.h"
  43
  44 #include "icons/clrpicker.xpm"
  45
  46 // ----------------------------------------------------------------------------
  47 // constants
  48 // ----------------------------------------------------------------------------
  49
  50 // control ids
  51 enum
  52 {
  53     PickerPage_Reset = wxID_HIGHEST,
  54     PickerPage_Colour
  55 };
  56
  57
  58 // ----------------------------------------------------------------------------
  59 // ColourPickerWidgetsPage
  60 // ----------------------------------------------------------------------------
  61
  62 class ColourPickerWidgetsPage : public WidgetsPage
  63 {
  64 public:
  65     ColourPickerWidgetsPage(WidgetsBookCtrl *book, wxImageList *imaglist);
  66     virtual ~ColourPickerWidgetsPage(){};
  67
  68     virtual wxControl *GetWidget() const { return m_clrPicker; }
  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 OnColourChange(wxColourPickerEvent &ev);
  90     void OnCheckBox(wxCommandEvent &ev);
  91     void OnButtonReset(wxCommandEvent &ev);
  92
  93     // the picker
  94     wxColourPickerCtrl *m_clrPicker;
  95
  96
  97     // other controls
  98     // --------------
  99
 100     wxCheckBox *m_chkColourTextCtrl,
 101                *m_chkColourShowLabel;
 102     wxBoxSizer *m_sizer;
 103
 104 private:
 105     DECLARE_EVENT_TABLE()
 106     DECLARE_WIDGETS_PAGE(ColourPickerWidgetsPage)
 107 };
 108
 109 // ----------------------------------------------------------------------------
 110 // event tables
 111 // ----------------------------------------------------------------------------
 112
 113 BEGIN_EVENT_TABLE(ColourPickerWidgetsPage, WidgetsPage)
 114     EVT_BUTTON(PickerPage_Reset, ColourPickerWidgetsPage::OnButtonReset)
 115
 116     EVT_COLOURPICKER_CHANGED(PickerPage_Colour, ColourPickerWidgetsPage::OnColourChange)
 117
 118     EVT_CHECKBOX(wxID_ANY, ColourPickerWidgetsPage::OnCheckBox)
 119 END_EVENT_TABLE()
 120
 121 // ============================================================================
 122 // implementation
 123 // ============================================================================
 124
 125 #if defined(__WXGTK24__)
 126     #define FAMILY_CTRLS NATIVE_CTRLS
 127 #else
 128     #define FAMILY_CTRLS GENERIC_CTRLS
 129 #endif
 130
 131 IMPLEMENT_WIDGETS_PAGE(ColourPickerWidgetsPage, wxT("ColourPicker"),
 132                        PICKER_CTRLS | FAMILY_CTRLS);
 133
 134 ColourPickerWidgetsPage::ColourPickerWidgetsPage(WidgetsBookCtrl *book,
 135                                      wxImageList *imaglist)
 136                   : WidgetsPage(book, imaglist, clrpicker_xpm)
 137 {
 138 }
 139
 140 void ColourPickerWidgetsPage::CreateContent()
 141 {
 142     // left pane
 143     wxSizer *boxleft = new wxBoxSizer(wxVERTICAL);
 144
 145     wxStaticBoxSizer *clrbox = new wxStaticBoxSizer(wxVERTICAL, this, wxT("&ColourPicker style"));
 146     m_chkColourTextCtrl = CreateCheckBoxAndAddToSizer(clrbox, wxT("With textctrl"));
 147     m_chkColourShowLabel = CreateCheckBoxAndAddToSizer(clrbox, wxT("With label"));
 148     boxleft->Add(clrbox, 0, wxALL|wxGROW, 5);
 149
 150     boxleft->Add(new wxButton(this, PickerPage_Reset, wxT("&Reset")),
 151                  0, wxALIGN_CENTRE_HORIZONTAL | wxALL, 15);
 152
 153     Reset();    // set checkboxes state
 154
 155     // create pickers
 156     m_clrPicker = NULL;
 157     CreatePicker();
 158
 159     // right pane
 160     m_sizer = new wxBoxSizer(wxVERTICAL);
 161     m_sizer->Add(1, 1, 1, wxGROW | wxALL, 5); // spacer
 162     m_sizer->Add(m_clrPicker, 0, wxALIGN_CENTER|wxALL, 5);
 163     m_sizer->Add(1, 1, 1, wxGROW | wxALL, 5); // spacer
 164
 165     // global pane
 166     wxSizer *sz = new wxBoxSizer(wxHORIZONTAL);
 167     sz->Add(boxleft, 0, wxGROW|wxALL, 5);
 168     sz->Add(m_sizer, 1, wxGROW|wxALL, 5);
 169
 170     SetSizer(sz);
 171 }
 172
 173 void ColourPickerWidgetsPage::CreatePicker()
 174 {
 175     delete m_clrPicker;
 176
 177     m_clrPicker = new wxColourPickerCtrl(this, PickerPage_Colour, *wxRED,
 178                                             wxDefaultPosition, wxDefaultSize,
 179                                             GetPickerStyle());
 180 }
 181
 182 long ColourPickerWidgetsPage::GetPickerStyle()
 183 {
 184     long style = 0;
 185
 186     if ( m_chkColourTextCtrl->GetValue() )
 187         style |= wxCLRP_USE_TEXTCTRL;
 188
 189     if ( m_chkColourShowLabel->GetValue() )
 190         style |= wxCLRP_SHOW_LABEL;
 191
 192     return style;
 193 }
 194
 195 void ColourPickerWidgetsPage::RecreatePicker()
 196 {
 197     m_sizer->Remove(1);
 198     CreatePicker();
 199     m_sizer->Insert(1, m_clrPicker, 0, wxALIGN_CENTER|wxALL, 5);
 200
 201     m_sizer->Layout();
 202 }
 203
 204 void ColourPickerWidgetsPage::Reset()
 205 {
 206     m_chkColourTextCtrl->SetValue((wxCLRP_DEFAULT_STYLE & wxCLRP_USE_TEXTCTRL) != 0);
 207     m_chkColourShowLabel->SetValue((wxCLRP_DEFAULT_STYLE & wxCLRP_SHOW_LABEL) != 0);
 208 }
 209
 210
 211 // ----------------------------------------------------------------------------
 212 // event handlers
 213 // ----------------------------------------------------------------------------
 214
 215 void ColourPickerWidgetsPage::OnButtonReset(wxCommandEvent& WXUNUSED(event))
 216 {
 217     Reset();
 218     RecreatePicker();
 219 }
 220
 221 void ColourPickerWidgetsPage::OnColourChange(wxColourPickerEvent& event)
 222 {
 223     wxLogMessage(wxT("The colour changed to '%s' !"),
 224                  event.GetColour().GetAsString(wxC2S_CSS_SYNTAX).c_str());
 225 }
 226
 227 void ColourPickerWidgetsPage::OnCheckBox(wxCommandEvent &event)
 228 {
 229     if (event.GetEventObject() == m_chkColourTextCtrl ||
 230         event.GetEventObject() == m_chkColourShowLabel)
 231         RecreatePicker();
 232 }
 233
 234 #endif  //  wxUSE_COLOURPICKERCTRL