555 lines
16 KiB
C++
555 lines
16 KiB
C++
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/////////////////////////////////////////////////////////////////////////////
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// Name: splitter.cpp
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// Purpose: wxSplitterWindow sample
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// Author: Julian Smart
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// Modified by:
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// Created: 04/01/98
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// Copyright: (c) Julian Smart
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// Licence: wxWindows licence
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/////////////////////////////////////////////////////////////////////////////
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// ============================================================================
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// declarations
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// ============================================================================
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// ----------------------------------------------------------------------------
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// headers
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// ----------------------------------------------------------------------------
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// For compilers that support precompilation, includes "wx/wx.h".
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#include "wx/wxprec.h"
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#ifdef __BORLANDC__
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#pragma hdrstop
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#endif
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#ifndef WX_PRECOMP
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#include "wx/log.h"
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#include "wx/app.h"
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#include "wx/frame.h"
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#include "wx/scrolwin.h"
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#include "wx/menu.h"
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#include "wx/textdlg.h" // for wxGetTextFromUser
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#endif
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#include "wx/splitter.h"
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#include "wx/dcmirror.h"
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#ifndef wxHAS_IMAGES_IN_RESOURCES
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#include "../sample.xpm"
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#endif
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// ----------------------------------------------------------------------------
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// constants
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// ----------------------------------------------------------------------------
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// ID for the menu commands
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enum
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{
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SPLIT_QUIT = 1,
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SPLIT_HORIZONTAL,
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SPLIT_VERTICAL,
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SPLIT_UNSPLIT,
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SPLIT_LIVE,
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SPLIT_BORDER,
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SPLIT_3DSASH,
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SPLIT_SETPOSITION,
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SPLIT_SETMINSIZE,
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SPLIT_SETGRAVITY,
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SPLIT_REPLACE,
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SPLIT_INVISIBLE
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};
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// ----------------------------------------------------------------------------
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// our classes
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// ----------------------------------------------------------------------------
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class MyApp: public wxApp
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{
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public:
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MyApp() { }
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virtual bool OnInit();
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wxDECLARE_NO_COPY_CLASS(MyApp);
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};
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class MyFrame: public wxFrame
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{
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public:
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MyFrame();
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virtual ~MyFrame();
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void ToggleFlag(int flag, bool enable);
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// Menu commands
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void OnSplitHorizontal(wxCommandEvent& event);
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void OnSplitVertical(wxCommandEvent& event);
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void OnUnsplit(wxCommandEvent& event);
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void OnToggleLive(wxCommandEvent& event)
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{ ToggleFlag(wxSP_LIVE_UPDATE, event.IsChecked()); }
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void OnToggleBorder(wxCommandEvent& event)
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{ ToggleFlag(wxSP_BORDER, event.IsChecked()); }
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void OnToggle3DSash(wxCommandEvent& event)
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{ ToggleFlag(wxSP_3DSASH, event.IsChecked()); }
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void OnSetPosition(wxCommandEvent& event);
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void OnSetMinSize(wxCommandEvent& event);
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void OnSetGravity(wxCommandEvent& event);
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void OnReplace(wxCommandEvent &event);
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void OnToggleInvisible(wxCommandEvent &event);
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void OnQuit(wxCommandEvent& event);
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// Menu command update functions
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void OnUpdateUIHorizontal(wxUpdateUIEvent& event);
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void OnUpdateUIVertical(wxUpdateUIEvent& event);
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void OnUpdateUIUnsplit(wxUpdateUIEvent& event);
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void OnUpdateUIInvisible(wxUpdateUIEvent& event);
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private:
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wxWindow *m_left, *m_right;
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wxSplitterWindow* m_splitter;
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wxWindow *m_replacewindow;
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wxDECLARE_EVENT_TABLE();
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wxDECLARE_NO_COPY_CLASS(MyFrame);
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};
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class MySplitterWindow : public wxSplitterWindow
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{
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public:
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MySplitterWindow(wxFrame *parent);
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// event handlers
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void OnPositionChanged(wxSplitterEvent& event);
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void OnPositionChanging(wxSplitterEvent& event);
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void OnDClick(wxSplitterEvent& event);
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void OnUnsplitEvent(wxSplitterEvent& event);
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private:
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wxFrame *m_frame;
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wxDECLARE_EVENT_TABLE();
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wxDECLARE_NO_COPY_CLASS(MySplitterWindow);
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};
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class MyCanvas: public wxScrolledWindow
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{
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public:
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MyCanvas(wxWindow* parent, bool mirror);
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virtual ~MyCanvas(){};
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virtual void OnDraw(wxDC& dc);
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private:
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bool m_mirror;
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wxDECLARE_NO_COPY_CLASS(MyCanvas);
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};
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// ============================================================================
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// implementation
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// ============================================================================
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// ----------------------------------------------------------------------------
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// MyApp
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// ----------------------------------------------------------------------------
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IMPLEMENT_APP(MyApp)
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bool MyApp::OnInit()
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{
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if ( !wxApp::OnInit() )
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return false;
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// create and show the main frame
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MyFrame* frame = new MyFrame;
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frame->Show(true);
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return true;
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}
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// ----------------------------------------------------------------------------
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// MyFrame
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// ----------------------------------------------------------------------------
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wxBEGIN_EVENT_TABLE(MyFrame, wxFrame)
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EVT_MENU(SPLIT_VERTICAL, MyFrame::OnSplitVertical)
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EVT_MENU(SPLIT_HORIZONTAL, MyFrame::OnSplitHorizontal)
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EVT_MENU(SPLIT_UNSPLIT, MyFrame::OnUnsplit)
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EVT_MENU(SPLIT_LIVE, MyFrame::OnToggleLive)
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EVT_MENU(SPLIT_BORDER, MyFrame::OnToggleBorder)
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EVT_MENU(SPLIT_3DSASH, MyFrame::OnToggle3DSash)
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EVT_MENU(SPLIT_SETPOSITION, MyFrame::OnSetPosition)
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EVT_MENU(SPLIT_SETMINSIZE, MyFrame::OnSetMinSize)
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EVT_MENU(SPLIT_SETGRAVITY, MyFrame::OnSetGravity)
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EVT_MENU(SPLIT_REPLACE, MyFrame::OnReplace)
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EVT_MENU(SPLIT_INVISIBLE, MyFrame::OnToggleInvisible)
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EVT_MENU(SPLIT_QUIT, MyFrame::OnQuit)
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EVT_UPDATE_UI(SPLIT_VERTICAL, MyFrame::OnUpdateUIVertical)
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EVT_UPDATE_UI(SPLIT_HORIZONTAL, MyFrame::OnUpdateUIHorizontal)
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EVT_UPDATE_UI(SPLIT_UNSPLIT, MyFrame::OnUpdateUIUnsplit)
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EVT_UPDATE_UI(SPLIT_INVISIBLE, MyFrame::OnUpdateUIInvisible)
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wxEND_EVENT_TABLE()
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// My frame constructor
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MyFrame::MyFrame()
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: wxFrame(NULL, wxID_ANY, wxT("wxSplitterWindow sample"),
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wxDefaultPosition, wxSize(420, 300),
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wxDEFAULT_FRAME_STYLE | wxNO_FULL_REPAINT_ON_RESIZE)
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{
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SetIcon(wxICON(sample));
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#if wxUSE_STATUSBAR
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CreateStatusBar(2);
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#endif // wxUSE_STATUSBAR
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// Make a menubar
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wxMenu *splitMenu = new wxMenu;
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splitMenu->Append(SPLIT_VERTICAL,
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wxT("Split &Vertically\tCtrl-V"),
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wxT("Split vertically"));
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splitMenu->Append(SPLIT_HORIZONTAL,
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wxT("Split &Horizontally\tCtrl-H"),
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wxT("Split horizontally"));
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splitMenu->Append(SPLIT_UNSPLIT,
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wxT("&Unsplit\tCtrl-U"),
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wxT("Unsplit"));
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splitMenu->AppendCheckItem(SPLIT_INVISIBLE,
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wxT("Toggle sash &invisibility\tCtrl-I"),
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wxT("Toggle sash invisibility"));
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splitMenu->AppendSeparator();
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splitMenu->AppendCheckItem(SPLIT_LIVE,
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wxT("&Live update\tCtrl-L"),
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wxT("Toggle live update mode"));
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splitMenu->AppendCheckItem(SPLIT_BORDER,
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wxT("3D &Border"),
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wxT("Toggle wxSP_BORDER flag"));
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splitMenu->Check(SPLIT_BORDER, true);
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splitMenu->AppendCheckItem(SPLIT_3DSASH,
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wxT("&3D Sash"),
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wxT("Toggle wxSP_3DSASH flag"));
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splitMenu->Check(SPLIT_3DSASH, true);
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splitMenu->Append(SPLIT_SETPOSITION,
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wxT("Set splitter &position\tCtrl-P"),
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wxT("Set the splitter position"));
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splitMenu->Append(SPLIT_SETMINSIZE,
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wxT("Set &min size\tCtrl-M"),
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wxT("Set minimum pane size"));
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splitMenu->Append(SPLIT_SETGRAVITY,
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wxT("Set &gravity\tCtrl-G"),
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wxT("Set gravity of sash"));
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splitMenu->AppendSeparator();
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splitMenu->Append(SPLIT_REPLACE,
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wxT("&Replace right window"),
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wxT("Replace right window"));
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splitMenu->AppendSeparator();
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splitMenu->Append(SPLIT_QUIT, wxT("E&xit\tAlt-X"), wxT("Exit"));
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wxMenuBar *menuBar = new wxMenuBar;
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menuBar->Append(splitMenu, wxT("&Splitter"));
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SetMenuBar(menuBar);
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menuBar->Check(SPLIT_LIVE, true);
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m_splitter = new MySplitterWindow(this);
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// If you use non-zero gravity you must initialize the splitter with its
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// correct initial size, otherwise it will change the sash position by a
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// huge amount when it's resized from its initial default size to its real
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// size when the frame lays it out. This wouldn't be necessary if default
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// zero gravity were used (although it would do no harm neither).
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m_splitter->SetSize(GetClientSize());
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m_splitter->SetSashGravity(1.0);
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#if 1
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m_left = new MyCanvas(m_splitter, true);
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m_left->SetBackgroundColour(*wxRED);
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m_left->SetCursor(wxCursor(wxCURSOR_MAGNIFIER));
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m_right = new MyCanvas(m_splitter, false);
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m_right->SetBackgroundColour(*wxCYAN);
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#else // for testing kbd navigation inside the splitter
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m_left = new wxTextCtrl(m_splitter, wxID_ANY, wxT("first text"));
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m_right = new wxTextCtrl(m_splitter, wxID_ANY, wxT("second text"));
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#endif
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// you can also do this to start with a single window
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#if 0
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m_right->Show(false);
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m_splitter->Initialize(m_left);
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#else
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// you can also try -100
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m_splitter->SplitVertically(m_left, m_right, 100);
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#endif
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#if wxUSE_STATUSBAR
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SetStatusText(wxT("Min pane size = 0"), 1);
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#endif // wxUSE_STATUSBAR
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m_replacewindow = NULL;
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}
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MyFrame::~MyFrame()
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{
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if (m_replacewindow) {
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m_replacewindow->Destroy();
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}
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}
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// menu command handlers
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void MyFrame::OnQuit(wxCommandEvent& WXUNUSED(event) )
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{
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Close(true);
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}
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void MyFrame::OnSplitHorizontal(wxCommandEvent& WXUNUSED(event) )
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{
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if ( m_splitter->IsSplit() )
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m_splitter->Unsplit();
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m_left->Show(true);
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m_right->Show(true);
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m_splitter->SplitHorizontally( m_left, m_right );
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m_replacewindow = NULL;
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#if wxUSE_STATUSBAR
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SetStatusText(wxT("Splitter split horizontally"), 1);
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#endif // wxUSE_STATUSBAR
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}
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void MyFrame::OnSplitVertical(wxCommandEvent& WXUNUSED(event) )
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{
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if ( m_splitter->IsSplit() )
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m_splitter->Unsplit();
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m_left->Show(true);
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m_right->Show(true);
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m_splitter->SplitVertically( m_left, m_right );
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m_replacewindow = NULL;
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#if wxUSE_STATUSBAR
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SetStatusText(wxT("Splitter split vertically"), 1);
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#endif // wxUSE_STATUSBAR
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}
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void MyFrame::OnUnsplit(wxCommandEvent& WXUNUSED(event) )
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{
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if ( m_splitter->IsSplit() )
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m_splitter->Unsplit();
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#if wxUSE_STATUSBAR
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SetStatusText(wxT("No splitter"));
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#endif // wxUSE_STATUSBAR
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}
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void MyFrame::ToggleFlag(int flag, bool enable)
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{
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long style = m_splitter->GetWindowStyleFlag();
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if ( enable )
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style |= flag;
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else
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style &= ~flag;
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m_splitter->SetWindowStyleFlag(style);
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// we need to move sash to redraw it
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int pos = m_splitter->GetSashPosition();
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m_splitter->SetSashPosition(pos + 1);
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m_splitter->SetSashPosition(pos);
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}
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void MyFrame::OnSetPosition(wxCommandEvent& WXUNUSED(event) )
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{
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wxString str;
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str.Printf( wxT("%d"), m_splitter->GetSashPosition());
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#if wxUSE_TEXTDLG
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str = wxGetTextFromUser(wxT("Enter splitter position:"), wxT(""), str, this);
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#endif
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if ( str.empty() )
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return;
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long pos;
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if ( !str.ToLong(&pos) )
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{
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wxLogError(wxT("The splitter position should be an integer."));
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return;
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}
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m_splitter->SetSashPosition(pos);
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wxLogStatus(this, wxT("Splitter position set to %ld"), pos);
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}
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void MyFrame::OnSetMinSize(wxCommandEvent& WXUNUSED(event) )
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{
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wxString str;
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str.Printf( wxT("%d"), m_splitter->GetMinimumPaneSize());
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#if wxUSE_TEXTDLG
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str = wxGetTextFromUser(wxT("Enter minimal size for panes:"), wxT(""), str, this);
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#endif
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if ( str.empty() )
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return;
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int minsize = wxStrtol( str, (wxChar**)NULL, 10 );
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m_splitter->SetMinimumPaneSize(minsize);
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#if wxUSE_STATUSBAR
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str.Printf( wxT("Min pane size = %d"), minsize);
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SetStatusText(str, 1);
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#endif // wxUSE_STATUSBAR
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}
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void MyFrame::OnSetGravity(wxCommandEvent& WXUNUSED(event) )
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{
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wxString str;
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str.Printf( wxT("%g"), m_splitter->GetSashGravity());
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#if wxUSE_TEXTDLG
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str = wxGetTextFromUser(wxT("Enter sash gravity (0,1):"), wxT(""), str, this);
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#endif
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if ( str.empty() )
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return;
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double gravity = wxStrtod( str, (wxChar**)NULL);
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m_splitter->SetSashGravity(gravity);
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#if wxUSE_STATUSBAR
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str.Printf( wxT("Gravity = %g"), gravity);
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SetStatusText(str, 1);
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#endif // wxUSE_STATUSBAR
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}
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void MyFrame::OnReplace(wxCommandEvent& WXUNUSED(event) )
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{
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if (m_replacewindow == NULL) {
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m_replacewindow = m_splitter->GetWindow2();
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m_splitter->ReplaceWindow(m_replacewindow, new wxPanel(m_splitter, wxID_ANY));
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m_replacewindow->Hide();
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} else {
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wxWindow *empty = m_splitter->GetWindow2();
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wxASSERT(empty != m_replacewindow);
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m_splitter->ReplaceWindow(empty, m_replacewindow);
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m_replacewindow->Show();
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m_replacewindow = NULL;
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empty->Destroy();
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}
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}
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void MyFrame::OnToggleInvisible(wxCommandEvent& WXUNUSED(event) )
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{
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m_splitter->SetSashInvisible(!m_splitter->IsSashInvisible());
|
||
|
m_splitter->SizeWindows();
|
||
|
}
|
||
|
|
||
|
// Update UI handlers
|
||
|
|
||
|
void MyFrame::OnUpdateUIHorizontal(wxUpdateUIEvent& event)
|
||
|
{
|
||
|
event.Enable( (!m_splitter->IsSplit()) || (m_splitter->GetSplitMode() != wxSPLIT_HORIZONTAL) );
|
||
|
}
|
||
|
|
||
|
void MyFrame::OnUpdateUIVertical(wxUpdateUIEvent& event)
|
||
|
{
|
||
|
event.Enable( ( (!m_splitter->IsSplit()) || (m_splitter->GetSplitMode() != wxSPLIT_VERTICAL) ) );
|
||
|
}
|
||
|
|
||
|
void MyFrame::OnUpdateUIUnsplit(wxUpdateUIEvent& event)
|
||
|
{
|
||
|
event.Enable( m_splitter->IsSplit() );
|
||
|
}
|
||
|
|
||
|
void MyFrame::OnUpdateUIInvisible(wxUpdateUIEvent& event)
|
||
|
{
|
||
|
event.Check( m_splitter->IsSashInvisible() );
|
||
|
}
|
||
|
|
||
|
// ----------------------------------------------------------------------------
|
||
|
// MySplitterWindow
|
||
|
// ----------------------------------------------------------------------------
|
||
|
|
||
|
wxBEGIN_EVENT_TABLE(MySplitterWindow, wxSplitterWindow)
|
||
|
EVT_SPLITTER_SASH_POS_CHANGED(wxID_ANY, MySplitterWindow::OnPositionChanged)
|
||
|
EVT_SPLITTER_SASH_POS_CHANGING(wxID_ANY, MySplitterWindow::OnPositionChanging)
|
||
|
|
||
|
EVT_SPLITTER_DCLICK(wxID_ANY, MySplitterWindow::OnDClick)
|
||
|
|
||
|
EVT_SPLITTER_UNSPLIT(wxID_ANY, MySplitterWindow::OnUnsplitEvent)
|
||
|
wxEND_EVENT_TABLE()
|
||
|
|
||
|
MySplitterWindow::MySplitterWindow(wxFrame *parent)
|
||
|
: wxSplitterWindow(parent, wxID_ANY,
|
||
|
wxDefaultPosition, wxDefaultSize,
|
||
|
wxSP_3D | wxSP_LIVE_UPDATE |
|
||
|
wxCLIP_CHILDREN /* | wxSP_NO_XP_THEME */ )
|
||
|
{
|
||
|
m_frame = parent;
|
||
|
}
|
||
|
|
||
|
void MySplitterWindow::OnPositionChanged(wxSplitterEvent& event)
|
||
|
{
|
||
|
wxLogStatus(m_frame, wxT("Position has changed, now = %d (or %d)"),
|
||
|
event.GetSashPosition(), GetSashPosition());
|
||
|
|
||
|
event.Skip();
|
||
|
}
|
||
|
|
||
|
void MySplitterWindow::OnPositionChanging(wxSplitterEvent& event)
|
||
|
{
|
||
|
wxLogStatus(m_frame, wxT("Position is changing, now = %d (or %d)"),
|
||
|
event.GetSashPosition(), GetSashPosition());
|
||
|
|
||
|
event.Skip();
|
||
|
}
|
||
|
|
||
|
void MySplitterWindow::OnDClick(wxSplitterEvent& event)
|
||
|
{
|
||
|
#if wxUSE_STATUSBAR
|
||
|
m_frame->SetStatusText(wxT("Splitter double clicked"), 1);
|
||
|
#endif // wxUSE_STATUSBAR
|
||
|
|
||
|
event.Skip();
|
||
|
}
|
||
|
|
||
|
void MySplitterWindow::OnUnsplitEvent(wxSplitterEvent& event)
|
||
|
{
|
||
|
#if wxUSE_STATUSBAR
|
||
|
m_frame->SetStatusText(wxT("Splitter unsplit"), 1);
|
||
|
#endif // wxUSE_STATUSBAR
|
||
|
|
||
|
event.Skip();
|
||
|
}
|
||
|
|
||
|
// ----------------------------------------------------------------------------
|
||
|
// MyCanvas
|
||
|
// ----------------------------------------------------------------------------
|
||
|
|
||
|
MyCanvas::MyCanvas(wxWindow* parent, bool mirror)
|
||
|
: wxScrolledWindow(parent, wxID_ANY, wxDefaultPosition, wxDefaultSize,
|
||
|
wxHSCROLL | wxVSCROLL | wxNO_FULL_REPAINT_ON_RESIZE)
|
||
|
{
|
||
|
m_mirror = mirror;
|
||
|
SetScrollbars(20, 20, 5, 5);
|
||
|
}
|
||
|
|
||
|
void MyCanvas::OnDraw(wxDC& dcOrig)
|
||
|
{
|
||
|
wxMirrorDC dc(dcOrig, m_mirror);
|
||
|
|
||
|
dc.SetPen(*wxBLACK_PEN);
|
||
|
dc.DrawLine(0, 0, 100, 200);
|
||
|
|
||
|
dc.SetBackgroundMode(wxBRUSHSTYLE_TRANSPARENT);
|
||
|
dc.DrawText(wxT("Testing"), 50, 50);
|
||
|
|
||
|
dc.SetPen(*wxRED_PEN);
|
||
|
dc.SetBrush(*wxGREEN_BRUSH);
|
||
|
dc.DrawRectangle(120, 120, 100, 80);
|
||
|
}
|
||
|
|