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1 /////////////////////////////////////////////////////////////////////////////
2 // Name: wx/clrpicker.h
3 // Purpose: wxColourPickerCtrl base header
4 // Author: Francesco Montorsi (based on Vadim Zeitlin's code)
5 // Modified by:
6 // Created: 14/4/2006
7 // Copyright: (c) Vadim Zeitlin, Francesco Montorsi
8 // RCS-ID: $Id$
9 // Licence: wxWindows Licence
10 /////////////////////////////////////////////////////////////////////////////
11
12 #ifndef _WX_CLRPICKER_H_BASE_
13 #define _WX_CLRPICKER_H_BASE_
14
15 #include "wx/defs.h"
16
17
18 #if wxUSE_COLOURPICKERCTRL
19
20 #include "wx/pickerbase.h"
21
22
23 class WXDLLIMPEXP_FWD_CORE wxColourPickerEvent;
24
25 extern WXDLLIMPEXP_DATA_CORE(const char) wxColourPickerWidgetNameStr[];
26 extern WXDLLIMPEXP_DATA_CORE(const char) wxColourPickerCtrlNameStr[];
27
28 // show the colour in HTML form (#AABBCC) as colour button label
29 #define wxCLRBTN_SHOW_LABEL 100
30
31 // the default style
32 #define wxCLRBTN_DEFAULT_STYLE (wxCLRBTN_SHOW_LABEL)
33
34
35
36 // ----------------------------------------------------------------------------
37 // wxColourPickerWidgetBase: a generic abstract interface which must be
38 // implemented by controls used by wxColourPickerCtrl
39 // ----------------------------------------------------------------------------
40
41 class WXDLLIMPEXP_CORE wxColourPickerWidgetBase
42 {
43 public:
44 wxColourPickerWidgetBase() { m_colour = *wxBLACK; }
45 virtual ~wxColourPickerWidgetBase() {}
46
47 wxColour GetColour() const
48 { return m_colour; }
49 virtual void SetColour(const wxColour &col)
50 { m_colour = col; UpdateColour(); }
51 virtual void SetColour(const wxString &col)
52 { m_colour.Set(col); UpdateColour(); }
53
54 protected:
55
56 virtual void UpdateColour() = 0;
57
58 // the current colour (may be invalid if none)
59 wxColour m_colour;
60 };
61
62
63 // Styles which must be supported by all controls implementing wxColourPickerWidgetBase
64 // NB: these styles must be defined to carefully-chosen values to
65 // avoid conflicts with wxButton's styles
66
67 // show the colour in HTML form (#AABBCC) as colour button label
68 // (instead of no label at all)
69 // NOTE: this style is supported just by wxColourButtonGeneric and
70 // thus is not exposed in wxColourPickerCtrl
71 #define wxCLRP_SHOW_LABEL 0x0008
72
73 // map platform-dependent controls which implement the wxColourPickerWidgetBase
74 // under the name "wxColourPickerWidget".
75 // NOTE: wxColourPickerCtrl allocates a wxColourPickerWidget and relies on the
76 // fact that all classes being mapped as wxColourPickerWidget have the
77 // same prototype for their contructor (and also explains why we use
78 // define instead of a typedef)
79 // since GTK > 2.4, there is GtkColorButton
80 #if defined(__WXGTK20__) && !defined(__WXUNIVERSAL__)
81 #include "wx/gtk/clrpicker.h"
82 #define wxColourPickerWidget wxColourButton
83 #else
84 #include "wx/generic/clrpickerg.h"
85 #define wxColourPickerWidget wxGenericColourButton
86 #endif
87
88
89 // ----------------------------------------------------------------------------
90 // wxColourPickerCtrl: platform-independent class which embeds a
91 // platform-dependent wxColourPickerWidget and, if wxCLRP_USE_TEXTCTRL style is
92 // used, a textctrl next to it.
93 // ----------------------------------------------------------------------------
94
95 #define wxCLRP_USE_TEXTCTRL (wxPB_USE_TEXTCTRL)
96 #define wxCLRP_DEFAULT_STYLE 0
97
98 class WXDLLIMPEXP_CORE wxColourPickerCtrl : public wxPickerBase
99 {
100 public:
101 wxColourPickerCtrl() : m_bIgnoreNextTextCtrlUpdate(false) {}
102 virtual ~wxColourPickerCtrl() {}
103
104
105 wxColourPickerCtrl(wxWindow *parent, wxWindowID id,
106 const wxColour& col = *wxBLACK, const wxPoint& pos = wxDefaultPosition,
107 const wxSize& size = wxDefaultSize, long style = wxCLRP_DEFAULT_STYLE,
108 const wxValidator& validator = wxDefaultValidator,
109 const wxString& name = wxColourPickerCtrlNameStr)
110 : m_bIgnoreNextTextCtrlUpdate(false)
111 { Create(parent, id, col, pos, size, style, validator, name); }
112
113 bool Create(wxWindow *parent, wxWindowID id,
114 const wxColour& col = *wxBLACK,
115 const wxPoint& pos = wxDefaultPosition,
116 const wxSize& size = wxDefaultSize,
117 long style = wxCLRP_DEFAULT_STYLE,
118 const wxValidator& validator = wxDefaultValidator,
119 const wxString& name = wxColourPickerCtrlNameStr);
120
121
122 public: // public API
123
124 // get the colour chosen
125 wxColour GetColour() const
126 { return ((wxColourPickerWidget *)m_picker)->GetColour(); }
127
128 // set currently displayed color
129 void SetColour(const wxColour& col);
130
131 // set colour using RGB(r,g,b) syntax or considering given text as a colour name;
132 // returns true if the given text was successfully recognized.
133 bool SetColour(const wxString& text);
134
135
136 public: // internal functions
137
138 // update the button colour to match the text control contents
139 void UpdatePickerFromTextCtrl();
140
141 // update the text control to match the button's colour
142 void UpdateTextCtrlFromPicker();
143
144 // event handler for our picker
145 void OnColourChange(wxColourPickerEvent &);
146
147 protected:
148 virtual long GetPickerStyle(long style) const
149 { return (style & wxCLRP_SHOW_LABEL); }
150
151 // true if the next UpdateTextCtrl() call is to ignore
152 bool m_bIgnoreNextTextCtrlUpdate;
153
154 private:
155 DECLARE_DYNAMIC_CLASS(wxColourPickerCtrl)
156 };
157
158
159 // ----------------------------------------------------------------------------
160 // wxColourPickerEvent: used by wxColourPickerCtrl only
161 // ----------------------------------------------------------------------------
162
163 extern WXDLLIMPEXP_CORE const wxEventType wxEVT_COMMAND_COLOURPICKER_CHANGED;
164
165 class WXDLLIMPEXP_CORE wxColourPickerEvent : public wxCommandEvent
166 {
167 public:
168 wxColourPickerEvent() {}
169 wxColourPickerEvent(wxObject *generator, int id, const wxColour &col)
170 : wxCommandEvent(wxEVT_COMMAND_COLOURPICKER_CHANGED, id),
171 m_colour(col)
172 {
173 SetEventObject(generator);
174 }
175
176 wxColour GetColour() const { return m_colour; }
177 void SetColour(const wxColour &c) { m_colour = c; }
178
179
180 // default copy ctor, assignment operator and dtor are ok
181 virtual wxEvent *Clone() const { return new wxColourPickerEvent(*this); }
182
183 private:
184 wxColour m_colour;
185
186 DECLARE_DYNAMIC_CLASS_NO_ASSIGN(wxColourPickerEvent)
187 };
188
189 // ----------------------------------------------------------------------------
190 // event types and macros
191 // ----------------------------------------------------------------------------
192
193 typedef void (wxEvtHandler::*wxColourPickerEventFunction)(wxColourPickerEvent&);
194
195 #define wxColourPickerEventHandler(func) \
196 (wxObjectEventFunction)(wxEventFunction)wxStaticCastEvent(wxColourPickerEventFunction, &func)
197
198 #define EVT_COLOURPICKER_CHANGED(id, fn) \
199 wx__DECLARE_EVT1(wxEVT_COMMAND_COLOURPICKER_CHANGED, id, wxColourPickerEventHandler(fn))
200
201
202 #endif // wxUSE_COLOURPICKERCTRL
203
204 #endif // _WX_CLRPICKER_H_BASE_
205