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128 lines
4.5 KiB
Objective-C
128 lines
4.5 KiB
Objective-C
/////////////////////////////////////////////////////////////////////////////
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// Name: wx/richtext/richtextuicustomization.h
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// Purpose: UI customization base class for wxRTC
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// Author: Julian Smart
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// Modified by:
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// Created: 2010-11-14
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// Copyright: (c) Julian Smart
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// Licence: wxWindows Licence
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/////////////////////////////////////////////////////////////////////////////
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#ifndef _WX_RICHTEXTUICUSTOMIZATION_H_
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#define _WX_RICHTEXTUICUSTOMIZATION_H_
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#if wxUSE_RICHTEXT
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#include "wx/window.h"
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/**
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@class wxRichTextUICustomization
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The base class for functionality to plug in to various rich text control dialogs,
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currently allowing the application to respond to Help button clicks without the
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need to derive new dialog classes.
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The application will typically have calls like this in its initialisation:
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wxRichTextFormattingDialog::GetHelpInfo().SetHelpId(ID_HELP_FORMATTINGDIALOG);
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wxRichTextFormattingDialog::GetHelpInfo().SetUICustomization(& wxGetApp().GetRichTextUICustomization());
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wxRichTextBordersPage::GetHelpInfo().SetHelpId(ID_HELP_BORDERSPAGE);
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Only the wxRichTextFormattingDialog class needs to have its customization object and help id set,
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though the application set them for individual pages if it wants.
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**/
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class WXDLLIMPEXP_RICHTEXT wxRichTextUICustomization
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{
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public:
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wxRichTextUICustomization() {}
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virtual ~wxRichTextUICustomization() {}
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/// Show the help given the current active window, and a help topic id.
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virtual bool ShowHelp(wxWindow* win, long id) = 0;
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};
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/**
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@class wxRichTextHelpInfo
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This class is used as a static member of dialogs, to store the help topic for the dialog
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and also the customization object that will allow help to be shown appropriately for the application.
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**/
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class WXDLLIMPEXP_RICHTEXT wxRichTextHelpInfo
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{
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public:
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wxRichTextHelpInfo()
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{
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m_helpTopic = -1;
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m_uiCustomization = NULL;
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}
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virtual ~wxRichTextHelpInfo() {}
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virtual bool ShowHelp(wxWindow* win)
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{
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if ( !m_uiCustomization || m_helpTopic == -1 )
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return false;
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return m_uiCustomization->ShowHelp(win, m_helpTopic);
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}
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/// Get the help topic identifier.
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long GetHelpId() const { return m_helpTopic; }
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/// Set the help topic identifier.
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void SetHelpId(long id) { m_helpTopic = id; }
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/// Get the UI customization object.
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wxRichTextUICustomization* GetUICustomization() const { return m_uiCustomization; }
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/// Set the UI customization object.
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void SetUICustomization(wxRichTextUICustomization* customization) { m_uiCustomization = customization; }
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/// Is there a valid help topic id?
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bool HasHelpId() const { return m_helpTopic != -1; }
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/// Is there a valid customization object?
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bool HasUICustomization() const { return m_uiCustomization != NULL; }
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protected:
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wxRichTextUICustomization* m_uiCustomization;
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long m_helpTopic;
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};
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/// Add this to the base class of dialogs
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#define DECLARE_BASE_CLASS_HELP_PROVISION() \
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virtual long GetHelpId() const = 0; \
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virtual wxRichTextUICustomization* GetUICustomization() const = 0; \
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virtual bool ShowHelp(wxWindow* win) = 0;
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/// A macro to make it easy to add help topic provision and UI customization
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/// to a class. Optionally, add virtual functions to a base class
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/// using DECLARE_BASE_CLASS_HELP_PROVISION. This means that the formatting dialog
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/// can obtain help topics from its individual pages without needing
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/// to know in advance what page classes are being used, allowing for extension
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/// of the formatting dialog.
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#define DECLARE_HELP_PROVISION() \
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wxWARNING_SUPPRESS_MISSING_OVERRIDE() \
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virtual long GetHelpId() const { return sm_helpInfo.GetHelpId(); } \
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virtual void SetHelpId(long id) { sm_helpInfo.SetHelpId(id); } \
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virtual wxRichTextUICustomization* GetUICustomization() const { return sm_helpInfo.GetUICustomization(); } \
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virtual void SetUICustomization(wxRichTextUICustomization* customization) { sm_helpInfo.SetUICustomization(customization); } \
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virtual bool ShowHelp(wxWindow* win) { return sm_helpInfo.ShowHelp(win); } \
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wxWARNING_RESTORE_MISSING_OVERRIDE() \
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public: \
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static wxRichTextHelpInfo& GetHelpInfo() { return sm_helpInfo; }\
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protected: \
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static wxRichTextHelpInfo sm_helpInfo; \
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public:
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/// Add this to the implementation file for each dialog that needs help provision.
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#define IMPLEMENT_HELP_PROVISION(theClass) \
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wxRichTextHelpInfo theClass::sm_helpInfo;
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#endif
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// wxUSE_RICHTEXT
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#endif
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// _WX_RICHTEXTUICUSTOMIZATION_H_
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