f36e602b3f
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@49873 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
227 lines
7.4 KiB
C++
227 lines
7.4 KiB
C++
/////////////////////////////////////////////////////////////////////////////
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// Name: wx/fontpicker.h
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// Purpose: wxFontPickerCtrl base header
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// Author: Francesco Montorsi
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// Modified by:
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// Created: 14/4/2006
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// Copyright: (c) Francesco Montorsi
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// RCS-ID: $Id$
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// Licence: wxWindows Licence
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/////////////////////////////////////////////////////////////////////////////
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#ifndef _WX_FONTPICKER_H_BASE_
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#define _WX_FONTPICKER_H_BASE_
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#include "wx/defs.h"
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#if wxUSE_FONTPICKERCTRL
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#include "wx/pickerbase.h"
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class WXDLLIMPEXP_FWD_CORE wxFontPickerEvent;
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extern WXDLLEXPORT_DATA(const char) wxFontPickerWidgetNameStr[];
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extern WXDLLEXPORT_DATA(const char) wxFontPickerCtrlNameStr[];
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// ----------------------------------------------------------------------------
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// wxFontPickerWidgetBase: a generic abstract interface which must be
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// implemented by controls used by wxFontPickerCtrl
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// ----------------------------------------------------------------------------
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class WXDLLIMPEXP_CORE wxFontPickerWidgetBase
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{
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public:
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wxFontPickerWidgetBase() { m_selectedFont = *wxNORMAL_FONT; }
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virtual ~wxFontPickerWidgetBase() {}
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wxFont GetSelectedFont() const
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{ return m_selectedFont; }
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virtual void SetSelectedFont(const wxFont &f)
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{ m_selectedFont = f; UpdateFont(); }
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protected:
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virtual void UpdateFont() = 0;
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// the current font (may be invalid if none)
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// NOTE: don't call this m_font as wxWindow::m_font already exists
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wxFont m_selectedFont;
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};
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// Styles which must be supported by all controls implementing wxFontPickerWidgetBase
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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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// keeps the label of the button updated with the fontface name + font size
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// E.g. choosing "Times New Roman bold, italic with size 10" from the fontdialog,
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// updates the wxFontButtonGeneric's label (overwriting any previous label)
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// with the "Times New Roman, 10" text (only fontface + fontsize is displayed
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// to avoid extralong labels).
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#define wxFNTP_FONTDESC_AS_LABEL 0x0008
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// uses the currently selected font to draw the label of the button
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#define wxFNTP_USEFONT_FOR_LABEL 0x0010
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#define wxFONTBTN_DEFAULT_STYLE \
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(wxFNTP_FONTDESC_AS_LABEL | wxFNTP_USEFONT_FOR_LABEL)
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// native version currently only exists in wxGTK2
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#if defined(__WXGTK20__) && !defined(__WXUNIVERSAL__)
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#include "wx/gtk/fontpicker.h"
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#define wxFontPickerWidget wxFontButton
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#else
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#include "wx/generic/fontpickerg.h"
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#define wxFontPickerWidget wxGenericFontButton
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#endif
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// ----------------------------------------------------------------------------
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// wxFontPickerCtrl specific flags
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// ----------------------------------------------------------------------------
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#define wxFNTP_USE_TEXTCTRL (wxPB_USE_TEXTCTRL)
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#define wxFNTP_DEFAULT_STYLE (wxFNTP_FONTDESC_AS_LABEL|wxFNTP_USEFONT_FOR_LABEL)
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// not a style but rather the default value of the maximum pointsize allowed
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#define wxFNTP_MAXPOINT_SIZE 100
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// ----------------------------------------------------------------------------
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// wxFontPickerCtrl: platform-independent class which embeds the
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// platform-dependent wxFontPickerWidget andm if wxFNTP_USE_TEXTCTRL style is
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// used, a textctrl next to it.
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// ----------------------------------------------------------------------------
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class WXDLLIMPEXP_CORE wxFontPickerCtrl : public wxPickerBase
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{
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public:
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wxFontPickerCtrl()
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: m_bIgnoreNextTextCtrlUpdate(false),
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m_nMaxPointSize(wxFNTP_MAXPOINT_SIZE)
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{
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}
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virtual ~wxFontPickerCtrl() {}
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wxFontPickerCtrl(wxWindow *parent,
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wxWindowID id,
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const wxFont& initial = wxNullFont,
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const wxPoint& pos = wxDefaultPosition,
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const wxSize& size = wxDefaultSize,
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long style = wxFNTP_DEFAULT_STYLE,
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const wxValidator& validator = wxDefaultValidator,
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const wxString& name = wxFontPickerCtrlNameStr)
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: m_bIgnoreNextTextCtrlUpdate(false),
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m_nMaxPointSize(wxFNTP_MAXPOINT_SIZE)
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{
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Create(parent, id, initial, pos, size, style, validator, name);
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}
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bool Create(wxWindow *parent,
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wxWindowID id,
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const wxFont& initial = wxNullFont,
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const wxPoint& pos = wxDefaultPosition,
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const wxSize& size = wxDefaultSize,
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long style = wxFNTP_DEFAULT_STYLE,
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const wxValidator& validator = wxDefaultValidator,
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const wxString& name = wxFontPickerCtrlNameStr);
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public: // public API
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// get the font chosen
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wxFont GetSelectedFont() const
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{ return ((wxFontPickerWidget *)m_picker)->GetSelectedFont(); }
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// sets currently displayed font
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void SetSelectedFont(const wxFont& f);
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// set/get the max pointsize
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void SetMaxPointSize(unsigned int max)
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{ m_nMaxPointSize=max; }
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unsigned int GetMaxPointSize() const
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{ return m_nMaxPointSize; }
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public: // internal functions
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void UpdatePickerFromTextCtrl();
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void UpdateTextCtrlFromPicker();
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// event handler for our picker
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void OnFontChange(wxFontPickerEvent &);
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// used to convert wxString <-> wxFont
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virtual wxString Font2String(const wxFont &font);
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virtual wxFont String2Font(const wxString &font);
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protected:
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// extracts the style for our picker from wxFontPickerCtrl's style
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long GetPickerStyle(long style) const
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{ return (style & (wxFNTP_FONTDESC_AS_LABEL|wxFNTP_USEFONT_FOR_LABEL)); }
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// true if the next UpdateTextCtrl() call is to ignore
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bool m_bIgnoreNextTextCtrlUpdate;
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// the maximum pointsize allowed to the user
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unsigned int m_nMaxPointSize;
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private:
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DECLARE_DYNAMIC_CLASS(wxFontPickerCtrl)
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};
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// ----------------------------------------------------------------------------
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// wxFontPickerEvent: used by wxFontPickerCtrl only
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// ----------------------------------------------------------------------------
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BEGIN_DECLARE_EVENT_TYPES()
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DECLARE_EXPORTED_EVENT_TYPE(WXDLLIMPEXP_CORE, wxEVT_COMMAND_FONTPICKER_CHANGED, 1102)
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END_DECLARE_EVENT_TYPES()
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class WXDLLIMPEXP_CORE wxFontPickerEvent : public wxCommandEvent
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{
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public:
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wxFontPickerEvent() {}
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wxFontPickerEvent(wxObject *generator, int id, const wxFont &f)
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: wxCommandEvent(wxEVT_COMMAND_FONTPICKER_CHANGED, id),
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m_font(f)
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{
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SetEventObject(generator);
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}
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wxFont GetFont() const { return m_font; }
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void SetFont(const wxFont &c) { m_font = c; }
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// default copy ctor, assignment operator and dtor are ok
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virtual wxEvent *Clone() const { return new wxFontPickerEvent(*this); }
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private:
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wxFont m_font;
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DECLARE_DYNAMIC_CLASS_NO_ASSIGN(wxFontPickerEvent)
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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::*wxFontPickerEventFunction)(wxFontPickerEvent&);
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#define wxFontPickerEventHandler(func) \
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(wxObjectEventFunction)(wxEventFunction)wxStaticCastEvent(wxFontPickerEventFunction, &func)
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#define EVT_FONTPICKER_CHANGED(id, fn) \
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wx__DECLARE_EVT1(wxEVT_COMMAND_FONTPICKER_CHANGED, id, wxFontPickerEventHandler(fn))
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#endif // wxUSE_FONTPICKERCTRL
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#endif
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// _WX_FONTPICKER_H_BASE_
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