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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: $Id$ | |
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 char wxColourPickerCtrlNameStr[] = "colourpicker"; | |
36 | const char wxColourPickerWidgetNameStr[] = "colourpickerwidget"; | |
37 | ||
38 | // ============================================================================ | |
39 | // implementation | |
40 | // ============================================================================ | |
41 | ||
42 | wxDEFINE_EVENT(wxEVT_COLOURPICKER_CHANGED, wxColourPickerEvent); | |
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_COLOURPICKER_CHANGED, | |
72 | wxColourPickerEventHandler(wxColourPickerCtrl::OnColourChange), | |
73 | NULL, this); | |
74 | ||
75 | return true; | |
76 | } | |
77 | ||
78 | void wxColourPickerCtrl::SetColour(const wxColour &col) | |
79 | { | |
80 | M_PICKER->SetColour(col); | |
81 | UpdateTextCtrlFromPicker(); | |
82 | } | |
83 | ||
84 | bool wxColourPickerCtrl::SetColour(const wxString &text) | |
85 | { | |
86 | wxColour col(text); // smart wxString->wxColour conversion | |
87 | if ( !col.IsOk() ) | |
88 | return false; | |
89 | M_PICKER->SetColour(col); | |
90 | UpdateTextCtrlFromPicker(); | |
91 | ||
92 | return true; | |
93 | } | |
94 | ||
95 | void wxColourPickerCtrl::UpdatePickerFromTextCtrl() | |
96 | { | |
97 | wxASSERT(m_text); | |
98 | ||
99 | // wxString -> wxColour conversion | |
100 | wxColour col(m_text->GetValue()); | |
101 | if ( !col.IsOk() ) | |
102 | return; // invalid user input | |
103 | ||
104 | if (M_PICKER->GetColour() != col) | |
105 | { | |
106 | M_PICKER->SetColour(col); | |
107 | ||
108 | // fire an event | |
109 | wxColourPickerEvent event(this, GetId(), col); | |
110 | GetEventHandler()->ProcessEvent(event); | |
111 | } | |
112 | } | |
113 | ||
114 | void wxColourPickerCtrl::UpdateTextCtrlFromPicker() | |
115 | { | |
116 | if (!m_text) | |
117 | return; // no textctrl to update | |
118 | ||
119 | // Take care to use ChangeValue() here and not SetValue() to avoid | |
120 | // infinite recursion. | |
121 | m_text->ChangeValue(M_PICKER->GetColour().GetAsString()); | |
122 | } | |
123 | ||
124 | ||
125 | ||
126 | // ---------------------------------------------------------------------------- | |
127 | // wxColourPickerCtrl - event handlers | |
128 | // ---------------------------------------------------------------------------- | |
129 | ||
130 | void wxColourPickerCtrl::OnColourChange(wxColourPickerEvent &ev) | |
131 | { | |
132 | UpdateTextCtrlFromPicker(); | |
133 | ||
134 | // the wxColourPickerWidget sent us a colour-change notification. | |
135 | // forward this event to our parent | |
136 | wxColourPickerEvent event(this, GetId(), ev.GetColour()); | |
137 | GetEventHandler()->ProcessEvent(event); | |
138 | } | |
139 | ||
140 | #endif // wxUSE_COLOURPICKERCTRL |