1 ///////////////////////////////////////////////////////////////////////////////
2 // Name: src/common/clrpickercmn.cpp
3 // Purpose: wxColourPickerCtrl class implementation
4 // Author: Francesco Montorsi (readapted code written by Vadim Zeitlin)
5 // Modified by:
6 // Created: 15/04/2006
7 // RCS-ID: $Id: clrpickercmn.cpp 42219 2006-10-21 19:53:05Z PC $
8 // Copyright: (c) Vadim Zeitlin, Francesco Montorsi
9 // Licence: wxWindows licence
10 ///////////////////////////////////////////////////////////////////////////////
11
12 // ============================================================================
13 // declarations
14 // ============================================================================
15
16 // ----------------------------------------------------------------------------
17 // headers
18 // ----------------------------------------------------------------------------
19
20 // For compilers that support precompilation, includes "wx.h".
21 #include "wx/wxprec.h"
22
23 #ifdef __BORLANDC__
24 #pragma hdrstop
25 #endif
26
27 #if wxUSE_COLOURPICKERCTRL
28
29 #include "wx/clrpicker.h"
30
31 #ifndef WX_PRECOMP
32 #include "wx/textctrl.h"
33 #endif
34
35 const wxChar wxColourPickerCtrlNameStr[] = wxT("colourpicker");
36 const wxChar wxColourPickerWidgetNameStr[] = wxT("colourpickerwidget");
37
38 // ============================================================================
39 // implementation
40 // ============================================================================
41
42 DEFINE_EVENT_TYPE(wxEVT_COMMAND_COLOURPICKER_CHANGED)
IMPLEMENT_DYNAMIC_CLASS(wxColourPickerCtrl,wxPickerBase)43 IMPLEMENT_DYNAMIC_CLASS(wxColourPickerCtrl, wxPickerBase)
44 IMPLEMENT_DYNAMIC_CLASS(wxColourPickerEvent, wxEvent)
45
46 // ----------------------------------------------------------------------------
47 // wxColourPickerCtrl
48 // ----------------------------------------------------------------------------
49
50 #define M_PICKER ((wxColourPickerWidget*)m_picker)
51
52 bool wxColourPickerCtrl::Create( wxWindow *parent, wxWindowID id,
53 const wxColour &col,
54 const wxPoint &pos, const wxSize &size,
55 long style, const wxValidator& validator,
56 const wxString &name )
57 {
58 if (!wxPickerBase::CreateBase(parent, id, col.GetAsString(), pos, size,
59 style, validator, name))
60 return false;
61
62 // we are not interested to the ID of our picker as we connect
63 // to its "changed" event dynamically...
64 m_picker = new wxColourPickerWidget(this, wxID_ANY, col,
65 wxDefaultPosition, wxDefaultSize,
66 GetPickerStyle(style));
67
68 // complete sizer creation
69 wxPickerBase::PostCreation();
70
71 m_picker->Connect(wxEVT_COMMAND_COLOURPICKER_CHANGED,
72 wxColourPickerEventHandler(wxColourPickerCtrl::OnColourChange),
73 NULL, this);
74
75 return true;
76 }
77
SetColour(const wxColour & col)78 void wxColourPickerCtrl::SetColour(const wxColour &col)
79 {
80 M_PICKER->SetColour(col);
81 UpdateTextCtrlFromPicker();
82 }
83
SetColour(const wxString & text)84 bool wxColourPickerCtrl::SetColour(const wxString &text)
85 {
86 wxColour col(text); // smart wxString->wxColour conversion
87 if ( !col.Ok() )
88 return false;
89 M_PICKER->SetColour(col);
90 UpdateTextCtrlFromPicker();
91
92 return true;
93 }
94
UpdatePickerFromTextCtrl()95 void wxColourPickerCtrl::UpdatePickerFromTextCtrl()
96 {
97 wxASSERT(m_text);
98
99 if (m_bIgnoreNextTextCtrlUpdate)
100 {
101 // ignore this update
102 m_bIgnoreNextTextCtrlUpdate = false;
103 return;
104 }
105
106 // wxString -> wxColour conversion
107 wxColour col(m_text->GetValue());
108 if ( !col.Ok() )
109 return; // invalid user input
110
111 if (M_PICKER->GetColour() != col)
112 {
113 M_PICKER->SetColour(col);
114
115 // fire an event
116 wxColourPickerEvent event(this, GetId(), col);
117 GetEventHandler()->ProcessEvent(event);
118 }
119 }
120
UpdateTextCtrlFromPicker()121 void wxColourPickerCtrl::UpdateTextCtrlFromPicker()
122 {
123 if (!m_text)
124 return; // no textctrl to update
125
126 // NOTE: this SetValue() will generate an unwanted wxEVT_COMMAND_TEXT_UPDATED
127 // which will trigger a unneeded UpdateFromTextCtrl(); thus before using
128 // SetValue() we set the m_bIgnoreNextTextCtrlUpdate flag...
129 m_bIgnoreNextTextCtrlUpdate = true;
130 m_text->SetValue(M_PICKER->GetColour().GetAsString());
131 }
132
133
134
135 // ----------------------------------------------------------------------------
136 // wxColourPickerCtrl - event handlers
137 // ----------------------------------------------------------------------------
138
OnColourChange(wxColourPickerEvent & ev)139 void wxColourPickerCtrl::OnColourChange(wxColourPickerEvent &ev)
140 {
141 UpdateTextCtrlFromPicker();
142
143 // the wxColourPickerWidget sent us a colour-change notification.
144 // forward this event to our parent
145 wxColourPickerEvent event(this, GetId(), ev.GetColour());
146 GetEventHandler()->ProcessEvent(event);
147 }
148
149 #endif // wxUSE_COLOURPICKERCTRL
150