214 lines
7.4 KiB
C++
214 lines
7.4 KiB
C++
/////////////////////////////////////////////////////////////////////////////
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// Name: wx/clrpicker.h
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// Purpose: wxColourPickerCtrl base header
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// Author: Francesco Montorsi (based on Vadim Zeitlin's code)
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// Modified by:
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// Created: 14/4/2006
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// Copyright: (c) Vadim Zeitlin, Francesco Montorsi
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// Licence: wxWindows Licence
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/////////////////////////////////////////////////////////////////////////////
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#ifndef _WX_CLRPICKER_H_BASE_
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#define _WX_CLRPICKER_H_BASE_
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#include "wx/defs.h"
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#if wxUSE_COLOURPICKERCTRL
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#include "wx/pickerbase.h"
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class WXDLLIMPEXP_FWD_CORE wxColourPickerEvent;
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extern WXDLLIMPEXP_DATA_CORE(const char) wxColourPickerWidgetNameStr[];
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extern WXDLLIMPEXP_DATA_CORE(const char) wxColourPickerCtrlNameStr[];
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// show the colour in HTML form (#AABBCC) as colour button label
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#define wxCLRBTN_SHOW_LABEL 100
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// the default style
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#define wxCLRBTN_DEFAULT_STYLE (wxCLRBTN_SHOW_LABEL)
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// ----------------------------------------------------------------------------
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// wxColourPickerWidgetBase: a generic abstract interface which must be
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// implemented by controls used by wxColourPickerCtrl
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// ----------------------------------------------------------------------------
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class WXDLLIMPEXP_CORE wxColourPickerWidgetBase
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{
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public:
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wxColourPickerWidgetBase() : m_colour(*wxBLACK) { }
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virtual ~wxColourPickerWidgetBase() {}
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wxColour GetColour() const
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{ return m_colour; }
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virtual void SetColour(const wxColour &col)
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{ m_colour = col; UpdateColour(); }
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virtual void SetColour(const wxString &col)
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{ m_colour.Set(col); UpdateColour(); }
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protected:
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virtual void UpdateColour() = 0;
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// the current colour (may be invalid if none)
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wxColour m_colour;
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};
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// Styles which must be supported by all controls implementing wxColourPickerWidgetBase
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// NB: these styles must be defined to carefully-chosen values to
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// avoid conflicts with wxButton's styles
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// show the colour in HTML form (#AABBCC) as colour button label
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// (instead of no label at all)
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// NOTE: this style is supported just by wxColourButtonGeneric and
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// thus is not exposed in wxColourPickerCtrl
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#define wxCLRP_SHOW_LABEL 0x0008
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#define wxCLRP_SHOW_ALPHA 0x0010
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// map platform-dependent controls which implement the wxColourPickerWidgetBase
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// under the name "wxColourPickerWidget".
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// NOTE: wxColourPickerCtrl allocates a wxColourPickerWidget and relies on the
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// fact that all classes being mapped as wxColourPickerWidget have the
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// same prototype for their constructor (and also explains why we use
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// define instead of a typedef)
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// since GTK > 2.4, there is GtkColorButton
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#if defined(__WXGTK20__) && !defined(__WXUNIVERSAL__)
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#include "wx/gtk/clrpicker.h"
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#define wxColourPickerWidget wxColourButton
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#elif defined(__WXQT__) && !defined(__WXUNIVERSAL__)
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#include "wx/qt/clrpicker.h"
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#else
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#include "wx/generic/clrpickerg.h"
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#define wxColourPickerWidget wxGenericColourButton
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#endif
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// ----------------------------------------------------------------------------
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// wxColourPickerCtrl: platform-independent class which embeds a
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// platform-dependent wxColourPickerWidget and, if wxCLRP_USE_TEXTCTRL style is
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// used, a textctrl next to it.
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// ----------------------------------------------------------------------------
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#define wxCLRP_USE_TEXTCTRL (wxPB_USE_TEXTCTRL)
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#define wxCLRP_DEFAULT_STYLE 0
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class WXDLLIMPEXP_CORE wxColourPickerCtrl : public wxPickerBase
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{
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public:
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wxColourPickerCtrl() {}
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virtual ~wxColourPickerCtrl() {}
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wxColourPickerCtrl(wxWindow *parent, wxWindowID id,
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const wxColour& col = *wxBLACK, const wxPoint& pos = wxDefaultPosition,
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const wxSize& size = wxDefaultSize, long style = wxCLRP_DEFAULT_STYLE,
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const wxValidator& validator = wxDefaultValidator,
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const wxString& name = wxASCII_STR(wxColourPickerCtrlNameStr))
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{ Create(parent, id, col, pos, size, style, validator, name); }
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bool Create(wxWindow *parent, wxWindowID id,
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const wxColour& col = *wxBLACK,
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const wxPoint& pos = wxDefaultPosition,
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const wxSize& size = wxDefaultSize,
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long style = wxCLRP_DEFAULT_STYLE,
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const wxValidator& validator = wxDefaultValidator,
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const wxString& name = wxASCII_STR(wxColourPickerCtrlNameStr));
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public: // public API
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// get the colour chosen
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wxColour GetColour() const
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{ return ((wxColourPickerWidget *)m_picker)->GetColour(); }
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// set currently displayed color
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void SetColour(const wxColour& col);
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// set colour using RGB(r,g,b) syntax or considering given text as a colour name;
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// returns true if the given text was successfully recognized.
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bool SetColour(const wxString& text);
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public: // internal functions
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// update the button colour to match the text control contents
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void UpdatePickerFromTextCtrl() wxOVERRIDE;
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// update the text control to match the button's colour
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void UpdateTextCtrlFromPicker() wxOVERRIDE;
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// event handler for our picker
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void OnColourChange(wxColourPickerEvent &);
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protected:
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virtual long GetPickerStyle(long style) const wxOVERRIDE
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{ return (style & (wxCLRP_SHOW_LABEL | wxCLRP_SHOW_ALPHA)); }
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private:
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wxDECLARE_DYNAMIC_CLASS(wxColourPickerCtrl);
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};
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// ----------------------------------------------------------------------------
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// wxColourPickerEvent: used by wxColourPickerCtrl only
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// ----------------------------------------------------------------------------
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wxDECLARE_EXPORTED_EVENT( WXDLLIMPEXP_CORE, wxEVT_COLOURPICKER_CHANGED, wxColourPickerEvent );
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wxDECLARE_EXPORTED_EVENT( WXDLLIMPEXP_CORE, wxEVT_COLOURPICKER_CURRENT_CHANGED, wxColourPickerEvent );
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wxDECLARE_EXPORTED_EVENT( WXDLLIMPEXP_CORE, wxEVT_COLOURPICKER_DIALOG_CANCELLED, wxColourPickerEvent );
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class WXDLLIMPEXP_CORE wxColourPickerEvent : public wxCommandEvent
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{
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public:
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wxColourPickerEvent() {}
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wxColourPickerEvent(wxObject *generator, int id, const wxColour &col, wxEventType commandType = wxEVT_COLOURPICKER_CHANGED)
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: wxCommandEvent(commandType, id),
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m_colour(col)
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{
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SetEventObject(generator);
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}
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wxColour GetColour() const { return m_colour; }
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void SetColour(const wxColour &c) { m_colour = c; }
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// default copy ctor, assignment operator and dtor are ok
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virtual wxEvent *Clone() const wxOVERRIDE { return new wxColourPickerEvent(*this); }
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private:
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wxColour m_colour;
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wxDECLARE_DYNAMIC_CLASS_NO_ASSIGN(wxColourPickerEvent);
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};
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// ----------------------------------------------------------------------------
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// event types and macros
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// ----------------------------------------------------------------------------
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typedef void (wxEvtHandler::*wxColourPickerEventFunction)(wxColourPickerEvent&);
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#define wxColourPickerEventHandler(func) \
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wxEVENT_HANDLER_CAST(wxColourPickerEventFunction, func)
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#define EVT_COLOURPICKER_CHANGED(id, fn) \
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wx__DECLARE_EVT1(wxEVT_COLOURPICKER_CHANGED, id, wxColourPickerEventHandler(fn))
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#define EVT_COLOURPICKER_CURRENT_CHANGED(id, fn) \
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wx__DECLARE_EVT1(wxEVT_COLOURPICKER_CURRENT_CHANGED, id, wxColourPickerEventHandler(fn))
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#define EVT_COLOURPICKER_DIALOG_CANCELLED(id, fn) \
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wx__DECLARE_EVT1(wxEVT_COLOURPICKER_DIALOG_CANCELLED, id, wxColourPickerEventHandler(fn))
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// old wxEVT_COMMAND_* constant
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#define wxEVT_COMMAND_COLOURPICKER_CHANGED wxEVT_COLOURPICKER_CHANGED
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#endif // wxUSE_COLOURPICKERCTRL
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#endif // _WX_CLRPICKER_H_BASE_
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