e066e2566a
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@8491 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
301 lines
11 KiB
C++
301 lines
11 KiB
C++
/////////////////////////////////////////////////////////////////////////////
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// Name: xmlres.h
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// Purpose: XML resources
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// Author: Vaclav Slavik
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// Created: 2000/03/05
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// RCS-ID: $Id$
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// Copyright: (c) 2000 Vaclav Slavik
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// Licence: wxWindows licence
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/////////////////////////////////////////////////////////////////////////////
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#ifndef _WX_XMLRES_H_
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#define _WX_XMLRES_H_
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#ifdef __GNUG__
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#pragma interface "xmlres.h"
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#endif
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#include "wx/defs.h"
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#include "wx/string.h"
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#include "wx/dynarray.h"
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#include "wx/datetime.h"
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#include "wx/list.h"
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#include "wx/gdicmn.h"
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#include "wx/filesys.h"
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#include "wx/bitmap.h"
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#include "wx/icon.h"
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class WXDLLEXPORT wxMenu;
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class WXDLLEXPORT wxMenuBar;
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class WXDLLEXPORT wxDialog;
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class WXDLLEXPORT wxPanel;
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class WXDLLEXPORT wxWindow;
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class WXDLLEXPORT wxToolBar;
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class WXDLLEXPORT wxXmlResourceHandler;
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#include "wx/xml/xml.h"
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class WXDLLEXPORT wxXmlResourceDataRecord
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{
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public:
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wxXmlResourceDataRecord() : Doc(NULL), Time(wxDateTime::Now()) {}
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~wxXmlResourceDataRecord() {delete Doc;}
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wxString File;
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wxXmlDocument *Doc;
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wxDateTime Time;
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};
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WX_DECLARE_EXPORTED_OBJARRAY(wxXmlResourceDataRecord, wxXmlResourceDataRecords);
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// This class holds XML resources from one or more .xml files
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// (or derived forms, either binary or zipped -- see manual for
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// details).
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class WXDLLEXPORT wxXmlResource : public wxObject
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{
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public:
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// Ctor. If use_locale is TRUE, translatable strings are
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// translated via _(). You can disable it by passing use_locale=FALSE
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// (for example if you provide resource file for each locale)
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wxXmlResource(bool use_locale = TRUE);
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wxXmlResource(const wxString& filemask, bool use_locale = TRUE);
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~wxXmlResource();
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// Loads resources from XML files that match given filemask.
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// This method understands VFS (see filesys.h).
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bool Load(const wxString& filemask);
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// Initialize handlers for all supported controls/windows. This will
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// make the executable quite big because it forces linking against
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// most of wxWin library
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void InitAllHandlers();
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// Initialize only specific handler (or custom handler). Convention says
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// that handler name is equal to control's name plus 'XmlHandler', e.g.
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// wxTextCtrlXmlHandler, wxHtmlWindowXmlHandler. XML resource compiler
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// (xmlres) can create include file that contains initialization code for
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// all controls used within the resource.
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void AddHandler(wxXmlResourceHandler *handler);
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// Removes all handlers
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void ClearHandlers();
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// Loads menu from resource. Returns NULL on failure.
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wxMenu *LoadMenu(const wxString& name);
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// Loads menubar from resource. Returns NULL on failure.
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wxMenuBar *LoadMenuBar(const wxString& name);
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#if wxUSE_TOOLBAR
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// Loads toolbar
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wxToolBar *LoadToolBar(wxWindow *parent, const wxString& name);
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#endif
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// Loads dialog. dlg points to parent window (if any). Second form
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// is used to finish creation of already existing instance (main reason
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// for this is that you may want to use derived class with new event table)
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// Example (typical usage):
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// MyDialog dlg;
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// wxTheXmlResource->LoadDialog(&dlg, mainFrame, "my_dialog");
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// dlg->ShowModal();
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wxDialog *LoadDialog(wxWindow *parent, const wxString& name);
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bool LoadDialog(wxDialog *dlg, wxWindow *parent, const wxString& name);
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// Loads panel. panel points to parent window (if any). Second form
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// is used to finish creation of already existing instance.
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wxPanel *LoadPanel(wxWindow *parent, const wxString& name);
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bool LoadPanel(wxPanel *panel, wxWindow *parent, const wxString& name);
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// Loads bitmap or icon resource from file:
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wxBitmap LoadBitmap(const wxString& name);
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wxIcon LoadIcon(const wxString& name);
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// Returns numeric ID that is equivalent to string id used in XML
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// resource. To be used in event tables
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// Macro XMLID is provided for convenience
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static int GetXMLID(const char *str_id);
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protected:
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// Scans resources list for unloaded files and loads them. Also reloads
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// files that have been modified since last loading.
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void UpdateResources();
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// Finds resource (calls UpdateResources) and returns node containing it
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wxXmlNode *FindResource(const wxString& name, const wxString& classname);
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// Creates resource from info in given node:
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wxObject *CreateResFromNode(wxXmlNode *node, wxObject *parent, wxObject *instance = NULL);
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// Remove nodes with property "platform" that does not
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// match current platform
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void ProcessPlatformProperty(wxXmlNode *node);
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bool GetUseLocale() { return m_UseLocale; }
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private:
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bool m_UseLocale;
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wxList m_Handlers;
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wxXmlResourceDataRecords m_Data;
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#if wxUSE_FILESYSTEM
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wxFileSystem m_CurFileSystem;
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wxFileSystem& GetCurFileSystem() { return m_CurFileSystem; }
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#endif
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friend class wxXmlResourceHandler;
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};
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// Global instance of resource class. For your convenience.
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extern wxXmlResource *wxTheXmlResource;
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// This macro translates string identifier (as used in XML resource,
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// e.g. <menuitem id="my_menu">...</menuitem>) to integer id that is needed by
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// wxWindows event tables.
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// Example:
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// BEGIN_EVENT_TABLE(MyFrame, wxFrame)
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// EVT_MENU(XMLID("quit"), MyFrame::OnQuit)
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// EVT_MENU(XMLID("about"), MyFrame::OnAbout)
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// EVT_MENU(XMLID("new"), MyFrame::OnNew)
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// EVT_MENU(XMLID("open"), MyFrame::OnOpen)
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// END_EVENT_TABLE()
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#define XMLID(str_id) \
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wxXmlResource::GetXMLID(_T(str_id))
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// This macro returns pointer to particular control in dialog
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// created using XML resources. You can use it to set/get values from
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// controls.
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// Example:
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// wxDialog dlg;
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// wxTheXmlResource->LoadDialog(&dlg, mainFrame, "my_dialog");
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// XMLCTRL(dlg, "my_textctrl", wxTextCtrl)->SetValue(_T("default value"));
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#define XMLCTRL(window, id, type) \
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((type*)((window).FindWindow(XMLID(id))))
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class WXDLLEXPORT wxXmlResourceHandler : public wxObject
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{
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public:
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wxXmlResourceHandler();
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virtual ~wxXmlResourceHandler() {}
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// Creates object (menu, dialog, control, ...) from XML node.
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// Should check for validity.
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// parent is higher-level object (usually window, dialog or panel)
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// that is often neccessary to create resource
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// if instance != NULL it should not create new instance via 'new' but
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// rather use this one and call its Create method
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wxObject *CreateResource(wxXmlNode *node, wxObject *parent, wxObject *instance);
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// This one is called from CreateResource after variables
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// were filled
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virtual wxObject *DoCreateResource() = 0;
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// Returns TRUE if it understands this node and can create
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// resource from it, FALSE otherwise.
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virtual bool CanHandle(wxXmlNode *node) = 0;
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void SetParentResource(wxXmlResource *res) { m_Resource = res; }
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protected:
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wxXmlResource *m_Resource;
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wxArrayString m_StyleNames;
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wxArrayInt m_StyleValues;
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// Variables (filled by CreateResource)
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wxXmlNode *m_Node;
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wxString m_Class;
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wxObject *m_Parent, *m_Instance;
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wxWindow *m_ParentAsWindow, *m_InstanceAsWindow;
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// --- Handy methods:
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// Returns true if the node has property class equal to classname,
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// e.g. <object class="wxDialog">
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bool IsOfClass(wxXmlNode *node, const wxString& classname)
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{ return node->GetPropVal(_T("class"), wxEmptyString) == classname; }
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// Gets node content from wxXML_ENTITY_NODE
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// (the problem is, <tag>content<tag> is represented as
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// wxXML_ENTITY_NODE name="tag", content=""
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// |-- wxXML_TEXT_NODE or
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// wxXML_CDATA_SECTION_NODE name="" content="content"
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wxString GetNodeContent(wxXmlNode *node);
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// Check to see if a param exists
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bool HasParam(const wxString& param);
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// Finds the node or returns NULL
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wxXmlNode *GetParamNode(const wxString& param);
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wxString GetParamValue(const wxString& param);
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// Add style flag (e.g. wxMB_DOCKABLE) to list of flags
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// understood by this handler
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void AddStyle(const wxString& name, int value);
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// Add styles common to all wxWindow-derived classes
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void AddWindowStyles();
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// Gets style flags from text in form "flag | flag2| flag3 |..."
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// Only understads flags added with AddStyle
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int GetStyle(const wxString& param = _T("style"), int defaults = 0);
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// Gets text from param and does some convertions:
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// - replaces \n, \r, \t by respective chars (according to C syntax)
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// - replaces $ by & and $$ by $ (needed for $File => &File because of XML)
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// - calls wxGetTranslations (unless disabled in wxXmlResource)
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wxString GetText(const wxString& param);
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// Return XMLID
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int GetID();
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wxString GetName();
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// Get bool flag (1,t,yes,on,true are TRUE, everything else is FALSE)
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bool GetBool(const wxString& param, bool defaultv = FALSE);
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// Get integer value from param
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long GetLong( const wxString& param, long defaultv = 0 );
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// Get colour in HTML syntax (#RRGGBB)
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wxColour GetColour(const wxString& param);
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// Get size/position (may be in dlg units):
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wxSize GetSize(const wxString& param = _T("size"));
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wxPoint GetPosition(const wxString& param = _T("pos"));
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// Get dimension (may be in dlg units):
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wxCoord GetDimension(const wxString& param, wxCoord defaultv = 0);
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// Get bitmap:
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wxBitmap GetBitmap(const wxString& param = _T("bitmap"), wxSize size = wxDefaultSize);
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wxIcon GetIcon(const wxString& param = _T("icon"), wxSize size = wxDefaultSize);
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// Get font:
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wxFont GetFont(const wxString& param = _T("font"));
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// Sets common window options:
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void SetupWindow(wxWindow *wnd);
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void CreateChildren(wxObject *parent, bool this_hnd_only = FALSE);
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void CreateChildrenPrivately(wxObject *parent, wxXmlNode *rootnode = NULL);
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wxObject *CreateResFromNode(wxXmlNode *node, wxObject *parent, wxObject *instance = NULL)
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{ return m_Resource->CreateResFromNode(node, parent, instance); }
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// helper
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wxFileSystem& GetCurFileSystem() { return m_Resource->GetCurFileSystem(); }
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};
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#define ADD_STYLE(style) AddStyle(_T(#style), style)
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#endif // _WX_XMLRES_H_
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