1175 lines
37 KiB
C++
1175 lines
37 KiB
C++
/////////////////////////////////////////////////////////////////////////////
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// Name: combo.cpp
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// Purpose: wxComboCtrl sample
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// Author: Jaakko Salli
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// Modified by:
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// Created: Apr-30-2006
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// Copyright: (c) Jaakko Salli
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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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// for all others, include the necessary headers (this file is usually all you
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// need because it includes almost all "standard" wxWidgets headers)
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#ifndef WX_PRECOMP
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#include "wx/wx.h"
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#endif
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#if !wxUSE_COMBOCTRL
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#error "Please set wxUSE_COMBOCTRL to 1 and rebuild the library."
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#endif
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#include "wx/image.h"
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#include "wx/combo.h"
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#include "wx/odcombo.h"
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// ----------------------------------------------------------------------------
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// resources
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// ----------------------------------------------------------------------------
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// the application icon (under Windows it is in resources and even
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// though we could still include the XPM here it would be unused)
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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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// private classes
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// ----------------------------------------------------------------------------
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// Define a new application type, each program should derive a class from wxApp
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class MyApp : public wxApp
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{
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public:
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// override base class virtuals
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// ----------------------------
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// this one is called on application startup and is a good place for the app
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// initialization (doing it here and not in the ctor allows to have an error
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// return: if OnInit() returns false, the application terminates)
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virtual bool OnInit() wxOVERRIDE;
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};
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// Define a new frame type: this is going to be our main frame
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class MyFrame : public wxFrame
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{
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public:
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// ctor and dtor
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MyFrame(const wxString& title);
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~MyFrame();
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// event handlers (these functions should _not_ be virtual)
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void OnQuit(wxCommandEvent& event);
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void OnAbout(wxCommandEvent& event);
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void OnShowComparison( wxCommandEvent& event );
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// log wxComboCtrl events
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void OnComboBoxUpdate( wxCommandEvent& event );
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void OnIdle( wxIdleEvent& event );
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protected:
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wxTextCtrl* m_logWin;
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wxLog* m_logOld;
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// Common list of items for all dialogs.
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wxArrayString m_arrItems;
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private:
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// any class wishing to process wxWidgets events must use this macro
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wxDECLARE_EVENT_TABLE();
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};
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// ----------------------------------------------------------------------------
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// constants
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// ----------------------------------------------------------------------------
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// IDs for the controls and the menu commands
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enum
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{
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ComboCtrl_Compare = wxID_HIGHEST,
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// menu items
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ComboCtrl_Quit = wxID_EXIT,
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// it is important for the id corresponding to the "About" command to have
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// this standard value as otherwise it won't be handled properly under Mac
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// (where it is special and put into the "Apple" menu)
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ComboCtrl_About = wxID_ABOUT
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};
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// ----------------------------------------------------------------------------
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// event tables and other macros for wxWidgets
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// ----------------------------------------------------------------------------
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// the event tables connect the wxWidgets events with the functions (event
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// handlers) which process them. It can be also done at run-time, but for the
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// simple menu events like this the static method is much simpler.
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wxBEGIN_EVENT_TABLE(MyFrame, wxFrame)
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EVT_TEXT(wxID_ANY,MyFrame::OnComboBoxUpdate)
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EVT_TEXT_ENTER(wxID_ANY,MyFrame::OnComboBoxUpdate)
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EVT_COMBOBOX(wxID_ANY,MyFrame::OnComboBoxUpdate)
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EVT_MENU(ComboCtrl_Compare, MyFrame::OnShowComparison)
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EVT_MENU(ComboCtrl_Quit, MyFrame::OnQuit)
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EVT_MENU(ComboCtrl_About, MyFrame::OnAbout)
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EVT_IDLE(MyFrame::OnIdle)
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wxEND_EVENT_TABLE()
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// Create a new application object: this macro will allow wxWidgets to create
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// the application object during program execution (it's better than using a
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// static object for many reasons) and also implements the accessor function
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// wxGetApp() which will return the reference of the right type (i.e. MyApp and
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// not wxApp)
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wxIMPLEMENT_APP(MyApp);
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// ============================================================================
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// implementation
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// ============================================================================
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// ----------------------------------------------------------------------------
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// the application class
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// ----------------------------------------------------------------------------
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// 'Main program' equivalent: the program execution "starts" here
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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 the main application window
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MyFrame *frame = new MyFrame("wxComboCtrl and wxOwnerDrawnComboBox Sample");
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// and show it (the frames, unlike simple controls, are not shown when
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// created initially)
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frame->Show(true);
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// success: wxApp::OnRun() will be called which will enter the main message
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// loop and the application will run. If we returned false here, the
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// application would exit immediately.
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return true;
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}
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// ----------------------------------------------------------------------------
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// wxOwnerDrawnComboBox with custom paint list items
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// ----------------------------------------------------------------------------
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class wxPenStyleComboBox : public wxOwnerDrawnComboBox
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{
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public:
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virtual void OnDrawItem( wxDC& dc,
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const wxRect& rect,
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int item,
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int flags ) const wxOVERRIDE
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{
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if ( item == wxNOT_FOUND )
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return;
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wxRect r(rect);
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r.Deflate(3);
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r.height -= 2;
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wxPenStyle penStyle = wxPENSTYLE_SOLID;
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if ( item == 1 )
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penStyle = wxPENSTYLE_TRANSPARENT;
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else if ( item == 2 )
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penStyle = wxPENSTYLE_DOT;
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else if ( item == 3 )
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penStyle = wxPENSTYLE_LONG_DASH;
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else if ( item == 4 )
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penStyle = wxPENSTYLE_SHORT_DASH;
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else if ( item == 5 )
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penStyle = wxPENSTYLE_DOT_DASH;
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else if ( item == 6 )
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penStyle = wxPENSTYLE_BDIAGONAL_HATCH;
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else if ( item == 7 )
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penStyle = wxPENSTYLE_CROSSDIAG_HATCH;
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else if ( item == 8 )
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penStyle = wxPENSTYLE_FDIAGONAL_HATCH;
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else if ( item == 9 )
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penStyle = wxPENSTYLE_CROSS_HATCH;
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else if ( item == 10 )
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penStyle = wxPENSTYLE_HORIZONTAL_HATCH;
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else if ( item == 11 )
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penStyle = wxPENSTYLE_VERTICAL_HATCH;
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wxPen pen( dc.GetTextForeground(), 3, penStyle );
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// Get text colour as pen colour
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dc.SetPen( pen );
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if ( !(flags & wxODCB_PAINTING_CONTROL) )
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{
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dc.DrawText(GetString( item ),
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r.x + 3,
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(r.y + 0) + ( (r.height/2) - dc.GetCharHeight() )/2
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);
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dc.DrawLine( r.x+5, r.y+((r.height/4)*3), r.x+r.width - 5, r.y+((r.height/4)*3) );
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}
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else
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{
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dc.DrawLine( r.x+5, r.y+r.height/2, r.x+r.width - 5, r.y+r.height/2 );
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}
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}
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virtual void OnDrawBackground( wxDC& dc, const wxRect& rect,
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int item, int flags ) const wxOVERRIDE
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{
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// If item is selected or even, or we are painting the
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// combo control itself, use the default rendering.
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if ( (flags & (wxODCB_PAINTING_CONTROL|wxODCB_PAINTING_SELECTED)) ||
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(item & 1) == 0 )
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{
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wxOwnerDrawnComboBox::OnDrawBackground(dc,rect,item,flags);
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return;
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}
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// Otherwise, draw every other background with different colour.
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wxColour bgCol(240,240,250);
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dc.SetBrush(wxBrush(bgCol));
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dc.SetPen(wxPen(bgCol));
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dc.DrawRectangle(rect);
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}
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virtual wxCoord OnMeasureItem( size_t item ) const wxOVERRIDE
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{
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// Simply demonstrate the ability to have variable-height items
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return FromDIP( item & 1 ? 36 : 24 );
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}
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virtual wxCoord OnMeasureItemWidth( size_t WXUNUSED(item) ) const wxOVERRIDE
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{
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return -1; // default - will be measured from text width
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}
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};
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// ----------------------------------------------------------------------------
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// wxListView Custom popup interface
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// ----------------------------------------------------------------------------
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#include "wx/listctrl.h"
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class ListViewComboPopup : public wxListView, public wxComboPopup
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{
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public:
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virtual void Init() wxOVERRIDE
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{
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m_value = -1;
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m_itemHere = -1; // hot item in list
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}
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virtual bool Create( wxWindow* parent ) wxOVERRIDE
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{
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return wxListView::Create(parent,1,
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wxPoint(0,0),wxDefaultSize,
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wxLC_LIST|wxLC_SINGLE_SEL|
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wxLC_SORT_ASCENDING|wxSIMPLE_BORDER);
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}
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virtual wxWindow *GetControl() wxOVERRIDE { return this; }
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virtual void SetStringValue( const wxString& s ) wxOVERRIDE
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{
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int n = wxListView::FindItem(-1,s);
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if ( n >= 0 && n < GetItemCount() )
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wxListView::Select(n);
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}
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virtual wxString GetStringValue() const wxOVERRIDE
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{
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if ( m_value >= 0 )
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return wxListView::GetItemText(m_value);
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return wxEmptyString;
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}
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//
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// Popup event handlers
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//
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// Mouse hot-tracking
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void OnMouseMove(wxMouseEvent& event)
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{
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// Move selection to cursor if it is inside the popup
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int resFlags;
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int itemHere = HitTest(event.GetPosition(),resFlags);
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if ( itemHere >= 0 )
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{
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wxListView::Select(itemHere,true);
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m_itemHere = itemHere;
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}
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event.Skip();
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}
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// On mouse left, set the value and close the popup
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void OnMouseClick(wxMouseEvent& WXUNUSED(event))
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{
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m_value = m_itemHere;
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// TODO: Send event
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Dismiss();
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}
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//
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// Utilities for item manipulation
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//
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void AddSelection( const wxString& selstr )
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{
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wxListView::InsertItem(GetItemCount(),selstr);
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}
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protected:
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int m_value; // current item index
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int m_itemHere; // hot item in popup
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private:
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wxDECLARE_EVENT_TABLE();
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};
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wxBEGIN_EVENT_TABLE(ListViewComboPopup, wxListView)
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EVT_MOTION(ListViewComboPopup::OnMouseMove)
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// NOTE: Left down event is used instead of left up right now
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// since MSW wxListCtrl doesn't seem to emit left ups
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// consistently.
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EVT_LEFT_DOWN(ListViewComboPopup::OnMouseClick)
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wxEND_EVENT_TABLE()
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// ----------------------------------------------------------------------------
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// wxTreeCtrl Custom popup interface
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// ----------------------------------------------------------------------------
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#include "wx/treectrl.h"
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class TreeCtrlComboPopup : public wxTreeCtrl, public wxComboPopup
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{
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public:
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virtual void Init() wxOVERRIDE
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{
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}
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virtual ~TreeCtrlComboPopup()
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{
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if (!m_isBeingDeleted)
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{
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wxMessageBox("error wxTreeCtrl::Destroy() was not called");
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}
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SendDestroyEvent();
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}
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virtual bool Create( wxWindow* parent ) wxOVERRIDE
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{
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return wxTreeCtrl::Create(parent,1,
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wxPoint(0,0),wxDefaultSize,
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wxTR_DEFAULT_STYLE | wxTR_HIDE_ROOT | wxSIMPLE_BORDER );
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}
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virtual void OnShow()
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{
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// make sure selected item is visible
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if ( m_value.IsOk() )
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EnsureVisible(m_value);
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}
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virtual wxSize GetAdjustedSize( int minWidth,
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int WXUNUSED(prefHeight),
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int maxHeight ) wxOVERRIDE
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{
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return wxSize(wxMax(300,minWidth),wxMin(250,maxHeight));
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}
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virtual wxWindow *GetControl() wxOVERRIDE { return this; }
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// Needed by SetStringValue
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wxTreeItemId FindItemByText( wxTreeItemId parent, const wxString& text )
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{
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wxTreeItemIdValue cookie;
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wxTreeItemId child = GetFirstChild(parent,cookie);
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while ( child.IsOk() )
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{
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if ( GetItemText(child) == text )
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{
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return child;
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}
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if ( ItemHasChildren(child) )
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{
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wxTreeItemId found = FindItemByText(child,text);
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if ( found.IsOk() )
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return found;
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}
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child = GetNextChild(parent,cookie);
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}
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return wxTreeItemId();
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}
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virtual void SetStringValue( const wxString& s ) wxOVERRIDE
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{
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wxTreeItemId root = GetRootItem();
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if ( !root.IsOk() )
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return;
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wxTreeItemId found = FindItemByText(root,s);
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if ( found.IsOk() )
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{
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m_value = m_itemHere = found;
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wxTreeCtrl::SelectItem(found);
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}
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}
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virtual wxString GetStringValue() const wxOVERRIDE
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{
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if ( m_value.IsOk() )
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return wxTreeCtrl::GetItemText(m_value);
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return wxEmptyString;
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}
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//
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// Popup event handlers
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//
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// Mouse hot-tracking
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void OnMouseMove(wxMouseEvent& event)
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{
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int resFlags;
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wxTreeItemId itemHere = HitTest(event.GetPosition(),resFlags);
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if ( itemHere.IsOk() && (resFlags & wxTREE_HITTEST_ONITEMLABEL) )
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{
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wxTreeCtrl::SelectItem(itemHere,true);
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m_itemHere = itemHere;
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}
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event.Skip();
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}
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// On mouse left, set the value and close the popup
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void OnMouseClick(wxMouseEvent& event)
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{
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int resFlags;
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wxTreeItemId itemHere = HitTest(event.GetPosition(),resFlags);
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if ( itemHere.IsOk() && (resFlags & wxTREE_HITTEST_ONITEMLABEL) )
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{
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m_itemHere = itemHere;
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m_value = itemHere;
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Dismiss();
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// TODO: Send event
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}
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event.Skip();
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}
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protected:
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wxTreeItemId m_value; // current item index
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wxTreeItemId m_itemHere; // hot item in popup
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private:
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wxDECLARE_EVENT_TABLE();
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};
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wxBEGIN_EVENT_TABLE(TreeCtrlComboPopup, wxTreeCtrl)
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EVT_MOTION(TreeCtrlComboPopup::OnMouseMove)
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// NOTE: Left down event is used instead of left up right now
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// since MSW wxTreeCtrl doesn't seem to emit left ups
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// consistently.
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EVT_LEFT_DOWN(TreeCtrlComboPopup::OnMouseClick)
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wxEND_EVENT_TABLE()
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// ----------------------------------------------------------------------------
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// wxComboCtrl with custom popup animation, using wxWindow::ShowWithEffect().
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// ----------------------------------------------------------------------------
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class wxComboCtrlWithCustomPopupAnim : public wxComboCtrl
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{
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protected:
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virtual bool AnimateShow( const wxRect& rect, int WXUNUSED(flags) ) wxOVERRIDE
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{
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wxWindow* win = GetPopupWindow();
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win->SetSize(rect);
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win->Raise(); // This is needed
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win->ShowWithEffect(wxSHOW_EFFECT_BLEND);
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return true;
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}
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};
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// ----------------------------------------------------------------------------
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// wxComboCtrl with entirely custom button action (opens file dialog)
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// ----------------------------------------------------------------------------
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class wxFileSelectorCombo : public wxComboCtrl
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{
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public:
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wxFileSelectorCombo() : wxComboCtrl() { Init(); }
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|
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wxFileSelectorCombo(wxWindow *parent,
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wxWindowID id = wxID_ANY,
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const wxString& value = wxEmptyString,
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const wxPoint& pos = wxDefaultPosition,
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const wxSize& size = wxDefaultSize,
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long style = 0,
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const wxValidator& validator = wxDefaultValidator,
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const wxString& name = wxComboBoxNameStr)
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: wxComboCtrl()
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{
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Init();
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Create(parent,id,value,
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pos,size,
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// Style flag wxCC_STD_BUTTON makes the button
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// behave more like a standard push button.
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style | wxCC_STD_BUTTON,
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validator,name);
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#ifdef wxHAS_SVG
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SetButtonBitmaps(wxBitmapBundle::FromSVGFile("three-dots.svg", wxSize(16, 16)), true);
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#endif
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}
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virtual void OnButtonClick() wxOVERRIDE
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{
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// Show standard wxFileDialog on button click
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wxFileDialog dlg(this,
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"Choose File",
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wxEmptyString,
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GetValue(),
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"All files (*.*)|*.*",
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wxFD_OPEN);
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if ( dlg.ShowModal() == wxID_OK )
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{
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SetValue(dlg.GetPath());
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}
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}
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// Implement empty DoSetPopupControl to prevent assertion failure.
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virtual void DoSetPopupControl(wxComboPopup* WXUNUSED(popup)) wxOVERRIDE
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{
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}
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|
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private:
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void Init()
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{
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// Initialize member variables here
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}
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};
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// ----------------------------------------------------------------------------
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// main frame
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// ----------------------------------------------------------------------------
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// frame constructor
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MyFrame::MyFrame(const wxString& title)
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: wxFrame(NULL, wxID_ANY, title)
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{
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wxBoxSizer* topSizer;
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wxBoxSizer* topRowSizer;
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wxBoxSizer* colSizer;
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wxBoxSizer* rowSizer;
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// set the frame icon
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SetIcon(wxICON(sample));
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#if wxUSE_MENUS
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// create a menu bar
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wxMenu *fileMenu = new wxMenu;
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// the "About" item should be in the help menu
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wxMenu *helpMenu = new wxMenu;
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helpMenu->Append(ComboCtrl_About, "&About\tF1", "Show about dialog");
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fileMenu->Append(ComboCtrl_Compare, "&Compare against wxComboBox...",
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"Show some wxOwnerDrawnComboBoxes side-by-side with native wxComboBoxes.");
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fileMenu->AppendSeparator();
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fileMenu->Append(ComboCtrl_Quit, "E&xit\tAlt-X", "Quit this program");
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// now append the freshly created menu to the menu bar...
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wxMenuBar *menuBar = new wxMenuBar();
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menuBar->Append(fileMenu, "&File");
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menuBar->Append(helpMenu, "&Help");
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// ... and attach this menu bar to the frame
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SetMenuBar(menuBar);
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#endif // wxUSE_MENUS
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wxPanel* panel = new wxPanel(this);
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// Prepare log window right away since it shows EVT_TEXTs
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m_logWin = new wxTextCtrl(panel, 105, wxEmptyString,
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wxDefaultPosition,
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wxSize(-1, 125),
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wxTE_MULTILINE);
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wxLogTextCtrl* logger = new wxLogTextCtrl(m_logWin);
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m_logOld = logger->SetActiveTarget(logger);
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logger->DisableTimestamp();
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topSizer = new wxBoxSizer( wxVERTICAL );
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topRowSizer = new wxBoxSizer( wxHORIZONTAL );
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colSizer = new wxBoxSizer( wxVERTICAL );
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wxComboCtrl* cc;
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wxGenericComboCtrl* gcc;
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wxOwnerDrawnComboBox* odc;
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// Create common strings array
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m_arrItems.Add( "Solid" );
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m_arrItems.Add( "Transparent" );
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m_arrItems.Add( "Dot" );
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m_arrItems.Add( "Long Dash" );
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m_arrItems.Add( "Short Dash" );
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m_arrItems.Add( "Dot Dash" );
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m_arrItems.Add( "Backward Diagonal Hatch" );
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m_arrItems.Add( "Cross-diagonal Hatch" );
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m_arrItems.Add( "Forward Diagonal Hatch" );
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m_arrItems.Add( "Cross Hatch" );
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m_arrItems.Add( "Horizontal Hatch" );
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m_arrItems.Add( "Vertical Hatch" );
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//
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// Create pen selector ODComboBox with owner-drawn items
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//
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rowSizer = new wxBoxSizer( wxHORIZONTAL );
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rowSizer->Add( new wxStaticText(panel,wxID_ANY,
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"OwnerDrawnComboBox with owner-drawn items:"), 1,
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wxALIGN_CENTER_VERTICAL|wxRIGHT, 4 );
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colSizer->Add( rowSizer, 0, wxEXPAND|wxALL, 5 );
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rowSizer = new wxBoxSizer( wxHORIZONTAL );
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// When defining derivative class for callbacks, we need
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// to use two-stage creation (or redefine the common wx
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// constructor).
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odc = new wxPenStyleComboBox();
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odc->Create(panel,wxID_ANY,wxEmptyString,
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wxDefaultPosition, wxDefaultSize,
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m_arrItems,
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wxCB_READONLY //wxNO_BORDER | wxCB_READONLY
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);
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odc->SetSelection(0);
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rowSizer->Add( odc, 1, wxALIGN_CENTER_VERTICAL|wxALL, 4 );
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rowSizer->AddStretchSpacer(1);
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colSizer->Add( rowSizer, 0, wxEXPAND|wxALL, 5 );
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//
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// Same but with changed button position
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//
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rowSizer = new wxBoxSizer( wxHORIZONTAL );
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rowSizer->Add( new wxStaticText(panel,wxID_ANY,
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"OwnerDrawnComboBox with owner-drawn items and button on the left:"), 1,
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wxALIGN_CENTER_VERTICAL|wxRIGHT, 4 );
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colSizer->Add( rowSizer, 0, wxEXPAND|wxALL, 5 );
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rowSizer = new wxBoxSizer( wxHORIZONTAL );
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// When defining derivative class for callbacks, we need
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// to use two-stage creation (or redefine the common wx
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// constructor).
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odc = new wxPenStyleComboBox();
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odc->Create(panel,wxID_ANY,wxEmptyString,
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wxDefaultPosition, wxDefaultSize,
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m_arrItems,
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wxCB_READONLY //wxNO_BORDER | wxCB_READONLY
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);
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odc->SetSelection(0);
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// Use button size that is slightly smaller than the default.
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wxSize butSize = odc->GetButtonSize();
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odc->SetButtonPosition(butSize.x - 2, // button width
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butSize.y - 6, // button height
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wxLEFT, // side
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2 // horizontal spacing
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);
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rowSizer->Add( odc, 1, wxALIGN_CENTER_VERTICAL|wxALL, 4 );
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rowSizer->AddStretchSpacer(1);
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colSizer->Add( rowSizer, 0, wxEXPAND|wxALL, 5 );
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//
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// List View wxComboCtrl
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//
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rowSizer = new wxBoxSizer( wxHORIZONTAL );
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rowSizer->Add( new wxStaticText(panel,
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wxID_ANY,
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"List View wxComboCtrl (custom animation):"),
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1, wxALIGN_CENTER_VERTICAL|wxRIGHT, 4 );
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rowSizer->Add( new wxStaticText(panel,wxID_ANY,"Tree Ctrl wxComboCtrl:"), 1,
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wxALIGN_CENTER_VERTICAL|wxRIGHT, 4 );
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colSizer->Add( rowSizer, 0, wxEXPAND|wxALL, 5 );
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rowSizer = new wxBoxSizer( wxHORIZONTAL );
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cc = new wxComboCtrlWithCustomPopupAnim();
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// Let's set a custom style for the contained wxTextCtrl. We need to
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// use two-step creation for it to work properly.
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cc->SetTextCtrlStyle(wxTE_RIGHT);
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cc->Create(panel, wxID_ANY, wxEmptyString);
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// Make sure we use popup that allows focusing the listview.
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cc->UseAltPopupWindow();
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cc->SetPopupMinWidth(300);
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ListViewComboPopup* iface = new ListViewComboPopup();
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cc->SetPopupControl(iface);
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int i;
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for ( i=0; i<100; i++ )
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iface->AddSelection( wxString::Format("Item %02i",i));
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rowSizer->Add( cc, 1, wxALIGN_CENTER_VERTICAL|wxALL, 5 );
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//
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// Tree Ctrl wxComboCtrl
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//
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// Note that we test that wxGenericComboCtrl works
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gcc = new wxGenericComboCtrl(panel,wxID_ANY,wxEmptyString,
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wxDefaultPosition, wxDefaultSize);
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// Make sure we use popup that allows focusing the treectrl.
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gcc->UseAltPopupWindow();
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// Set popup interface right away, otherwise some of the calls
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// below may fail
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TreeCtrlComboPopup* tcPopup = new TreeCtrlComboPopup();
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gcc->SetPopupControl(tcPopup);
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// Add items using wxTreeCtrl methods directly
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wxTreeItemId rootId = tcPopup->AddRoot("<hidden_root>");
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wxTreeItemId groupId;
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for ( i=0; i<4; i++ )
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{
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groupId = tcPopup->AppendItem(rootId,
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wxString::Format("Branch %02i",i));
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int n;
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for ( n=0; n<25; n++ )
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tcPopup->AppendItem(groupId,
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wxString::Format("Subitem %02i",(i*25)+n));
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}
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gcc->SetValue("Subitem 05");
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// Move button to left - it makes more sense for a tree ctrl
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gcc->SetButtonPosition(-1, // button width
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-1, // button height
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wxLEFT, // side
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0 // horizontal spacing
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);
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rowSizer->Add( gcc, 1, wxALIGN_CENTER_VERTICAL|wxALL, 5 );
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colSizer->Add( rowSizer, 0, wxEXPAND|wxALL, 5 );
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#if wxUSE_IMAGE
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wxInitAllImageHandlers();
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//
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// Custom Dropbutton Bitmaps
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// (second one uses blank button background)
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//
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rowSizer = new wxBoxSizer( wxHORIZONTAL );
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rowSizer->Add( new wxStaticText(panel,wxID_ANY,
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"OwnerDrawnComboBox with simple dropbutton graphics:"), 1,
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wxALIGN_CENTER_VERTICAL|wxRIGHT, 4 );
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colSizer->Add( rowSizer, 0, wxEXPAND|wxALL, 5 );
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rowSizer = new wxBoxSizer( wxHORIZONTAL );
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odc = new wxOwnerDrawnComboBox(panel,wxID_ANY,wxEmptyString,
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wxDefaultPosition, wxDefaultSize,
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m_arrItems,
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(long)0 // wxCB_SORT // wxNO_BORDER | wxCB_READONLY
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);
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wxOwnerDrawnComboBox* odc2;
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odc2 = new wxOwnerDrawnComboBox(panel,wxID_ANY,wxEmptyString,
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wxDefaultPosition, wxDefaultSize,
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m_arrItems,
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(long)0 // wxCB_SORT // wxNO_BORDER | wxCB_READONLY
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);
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// Load images from disk
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#ifdef wxHAS_SVG
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wxBitmapBundle bmpNormal = wxBitmapBundle::FromSVGFile("dropbutn.svg", wxSize(16, 16));
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wxBitmapBundle bmpPressed = wxBitmapBundle::FromSVGFile("dropbutp.svg", wxSize(16, 16));
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wxBitmapBundle bmpHover = wxBitmapBundle::FromSVGFile("dropbuth.svg", wxSize(16, 16));
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if ( bmpNormal.IsOk() && bmpPressed.IsOk() && bmpHover.IsOk() )
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{
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odc->SetButtonBitmaps(bmpNormal, false, bmpPressed, bmpHover);
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odc2->SetButtonBitmaps(bmpNormal, true, bmpPressed, bmpHover);
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}
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else
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wxLogError("Dropbutton images not found");
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#endif
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//odc2->SetButtonPosition(0, // width adjustment
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// 0, // height adjustment
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// wxLEFT, // side
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// 0 // horizontal spacing
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// );
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rowSizer->Add( odc, 1, wxALIGN_CENTER_VERTICAL|wxALL, 4 );
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rowSizer->Add( odc2, 1, wxALIGN_CENTER_VERTICAL|wxALL, 4 );
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colSizer->Add( rowSizer, 0, wxEXPAND|wxALL, 5 );
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#endif
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//
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// wxComboCtrl with totally custom button action (open file dialog)
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//
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rowSizer = new wxBoxSizer( wxHORIZONTAL );
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rowSizer->Add( new wxStaticText(panel,wxID_ANY,
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"wxComboCtrl with custom button and custom main control:"), 1,
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wxALIGN_CENTER_VERTICAL|wxRIGHT, 4 );
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colSizer->Add( rowSizer, 0, wxEXPAND|wxALL, 5 );
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rowSizer = new wxBoxSizer( wxHORIZONTAL );
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wxFileSelectorCombo* fsc;
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fsc = new wxFileSelectorCombo(panel,wxID_ANY,wxEmptyString,
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wxDefaultPosition, wxDefaultSize,
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(long)0
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);
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// This is a perfectly useless control, as the popup and main control
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// don't interact with each other, but it shows that we can use something
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// other than wxTextCtrl for the main part of wxComboCtrl too.
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//
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// In a real program, custom popup and main control would work together,
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// i.e. changing selection in one of them would update the other one.
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//
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// Also note the complicated dance we need to go through to create the
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// controls in the right order: we want to create the custom main control
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// before actually creating the wxComboCtrl window, as otherwise it would
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// unnecessarily create a wxTextCtrl by default, forcing us to use its
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// default ctor and Create() later, but this, in turn, also requires using
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// default ctor for the main control and creating it later too, as it can't
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// be created before its parent window is.
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wxComboCtrl* comboCustom = new wxComboCtrl();
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wxCheckBox* cbox = new wxCheckBox();
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comboCustom->SetMainControl(cbox);
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comboCustom->Create(panel, wxID_ANY, wxEmptyString);
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cbox->Create(comboCustom, wxID_ANY, "Checkbox as main control");
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cbox->SetBackgroundColour(*wxWHITE);
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comboCustom->SetPopupControl(new ListViewComboPopup());
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rowSizer->Add( fsc, 1, wxALIGN_CENTER_VERTICAL|wxALL, 4 );
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rowSizer->Add( comboCustom, 1, wxALIGN_CENTER_VERTICAL|wxALL, 4 );
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colSizer->Add( rowSizer, 0, wxEXPAND|wxALL, 5 );
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// Make sure GetFeatures is implemented
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wxComboCtrl::GetFeatures();
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topRowSizer->Add( colSizer, 1, wxALL, 2 );
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colSizer = new wxBoxSizer( wxVERTICAL );
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colSizer->AddSpacer(8);
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colSizer->Add( new wxStaticText(panel, wxID_ANY, "Log Messages:"), 0, wxTOP|wxLEFT, 3 );
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colSizer->Add( m_logWin, 1, wxEXPAND|wxALL, 3 );
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topRowSizer->Add( colSizer, 1, wxEXPAND|wxALL, 2 );
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topSizer->Add( topRowSizer, 1, wxEXPAND );
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panel->SetSizer( topSizer );
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topSizer->SetSizeHints( panel );
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Fit();
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Centre();
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}
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// event handlers
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void MyFrame::OnComboBoxUpdate( wxCommandEvent& event )
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{
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// Don't show messages for the log output window (it'll crash)
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if ( !event.GetEventObject()->IsKindOf(CLASSINFO(wxComboCtrl)) )
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return;
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if ( event.GetEventType() == wxEVT_COMBOBOX )
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{
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wxLogMessage("EVT_COMBOBOX(id=%i,selection=%i)",event.GetId(),event.GetSelection());
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}
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else if ( event.GetEventType() == wxEVT_TEXT )
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{
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wxLogMessage("EVT_TEXT(id=%i,string=\"%s\")",event.GetId(),event.GetString());
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}
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else if ( event.GetEventType() == wxEVT_TEXT_ENTER )
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{
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wxLogMessage("EVT_TEXT_ENTER(id=%i,string=\"%s\")",
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event.GetId(), event.GetString());
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}
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}
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void MyFrame::OnShowComparison( wxCommandEvent& WXUNUSED(event) )
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{
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//
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// Show some wxOwnerDrawComboBoxes for comparison
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//
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wxBoxSizer* colSizer;
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wxBoxSizer* rowSizer;
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wxStaticBoxSizer* groupSizer;
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wxComboBox* cb;
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wxOwnerDrawnComboBox* odc;
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const int border = 4;
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wxDialog* dlg = new wxDialog(this,wxID_ANY,
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"Compare against wxComboBox",
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wxDefaultPosition,wxDefaultSize,
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wxDEFAULT_DIALOG_STYLE|wxRESIZE_BORDER);
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colSizer = new wxBoxSizer( wxVERTICAL );
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rowSizer = new wxBoxSizer(wxHORIZONTAL);
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groupSizer = new wxStaticBoxSizer(new wxStaticBox(dlg,wxID_ANY," wxOwnerDrawnComboBox "),
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wxVERTICAL);
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groupSizer->Add( new wxStaticText(dlg, wxID_ANY,
|
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"Writable, with margins, sorted:"),
|
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wxSizerFlags().Expand().Border(wxRIGHT, border) );
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odc = new wxOwnerDrawnComboBox(dlg,wxID_ANY,wxEmptyString,
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wxDefaultPosition, wxDefaultSize,
|
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m_arrItems,
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wxCB_SORT // wxNO_BORDER|wxCB_READONLY
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);
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odc->Append("H - Appended Item"); // test sorting in append
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odc->SetValue("Dot Dash");
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odc->SetMargins(15, 10);
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groupSizer->Add( odc, wxSizerFlags().Border(wxALL, border) );
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groupSizer->AddStretchSpacer();
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//
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// Readonly ODComboBox
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groupSizer->Add( new wxStaticText(dlg, wxID_ANY,
|
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"Read-only, big font:"),
|
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wxSizerFlags().Border(wxRIGHT, border) );
|
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odc = new wxOwnerDrawnComboBox(dlg,wxID_ANY,wxEmptyString,
|
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wxDefaultPosition, wxDefaultSize,
|
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m_arrItems,
|
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wxCB_SORT|wxCB_READONLY // wxNO_BORDER|wxCB_READONLY
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);
|
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|
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odc->SetFont(odc->GetFont().Scale(1.5));
|
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odc->SetValue("Dot Dash");
|
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odc->SetText("Dot Dash (Testing SetText)");
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|
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groupSizer->Add( odc, 0, wxALL, border );
|
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groupSizer->AddStretchSpacer();
|
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|
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//
|
|
// Disabled read-only ODComboBox
|
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groupSizer->Add( new wxStaticText(dlg,wxID_ANY,"Read-only disabled:"),
|
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wxSizerFlags().Border(wxRIGHT, border) );
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|
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odc = new wxOwnerDrawnComboBox(dlg,wxID_ANY,wxEmptyString,
|
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wxDefaultPosition, wxDefaultSize,
|
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m_arrItems,
|
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wxCB_READONLY // wxNO_BORDER|wxCB_READONLY
|
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);
|
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|
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odc->SetValue("Dot Dash");
|
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odc->Enable(false);
|
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groupSizer->Add( odc, wxSizerFlags(3).Expand().Border(wxALL, border) );
|
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|
|
// Disabled ODComboBox
|
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groupSizer->Add(new wxStaticText(dlg, wxID_ANY, "Disabled:"),
|
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wxSizerFlags().Border(wxRIGHT, border));
|
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odc = new wxOwnerDrawnComboBox(dlg, wxID_ANY, wxEmptyString,
|
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wxDefaultPosition, wxDefaultSize, m_arrItems);
|
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|
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odc->SetValue("Dot Dash");
|
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odc->Enable(false);
|
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|
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groupSizer->Add(odc, wxSizerFlags(3).Expand().Border(wxALL, border));
|
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|
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rowSizer->Add( groupSizer, 1, wxEXPAND|wxALL, border );
|
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|
|
|
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groupSizer = new wxStaticBoxSizer(new wxStaticBox(dlg,wxID_ANY," wxComboBox "),
|
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wxVERTICAL);
|
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|
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//
|
|
// wxComboBox
|
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//
|
|
groupSizer->Add( new wxStaticText(dlg,wxID_ANY,
|
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"Writable, with margins, sorted:"),
|
|
wxSizerFlags().Expand().Border(wxRIGHT, border) );
|
|
|
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cb = new wxComboBox(dlg,wxID_ANY,wxEmptyString,
|
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wxDefaultPosition, wxDefaultSize,
|
|
m_arrItems,
|
|
wxCB_SORT // wxNO_BORDER|wxCB_READONLY
|
|
);
|
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|
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cb->Append("H - Appended Item"); // test sorting in append
|
|
|
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cb->SetValue("Dot Dash");
|
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cb->SetMargins(15, 10);
|
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groupSizer->Add( cb, wxSizerFlags().Border(wxALL, border) );
|
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groupSizer->AddStretchSpacer();
|
|
|
|
//
|
|
// Readonly wxComboBox
|
|
groupSizer->Add( new wxStaticText(dlg, wxID_ANY,
|
|
"Read-only, big font:"),
|
|
wxSizerFlags().Border(wxRIGHT, border) );
|
|
|
|
cb = new wxComboBox(dlg,wxID_ANY,wxEmptyString,
|
|
wxDefaultPosition, wxDefaultSize,
|
|
m_arrItems,
|
|
wxCB_SORT|wxCB_READONLY // wxNO_BORDER|wxCB_READONLY
|
|
);
|
|
|
|
cb->SetFont(cb->GetFont().Scale(1.5));
|
|
cb->SetValue("Dot Dash");
|
|
|
|
groupSizer->Add( cb, 0, wxALL, border );
|
|
groupSizer->AddStretchSpacer();
|
|
|
|
//
|
|
// Disabled read-only wxComboBox
|
|
groupSizer->Add( new wxStaticText(dlg,wxID_ANY,"Read-only disabled:"),
|
|
wxSizerFlags().Border(wxRIGHT, border) );
|
|
|
|
cb = new wxComboBox(dlg,wxID_ANY,wxEmptyString,
|
|
wxDefaultPosition, wxDefaultSize,
|
|
m_arrItems,
|
|
wxCB_READONLY // wxNO_BORDER|wxCB_READONLY
|
|
);
|
|
|
|
cb->SetValue("Dot Dash");
|
|
cb->Enable(false);
|
|
|
|
groupSizer->Add( cb, wxSizerFlags(3).Expand().Border(wxALL, border) );
|
|
|
|
//
|
|
// Disabled wxComboBox
|
|
groupSizer->Add(new wxStaticText(dlg, wxID_ANY, "Disabled:"),
|
|
wxSizerFlags().Border(wxRIGHT, border));
|
|
|
|
cb = new wxComboBox(dlg, wxID_ANY, wxEmptyString,
|
|
wxDefaultPosition, wxDefaultSize, m_arrItems);
|
|
|
|
cb->SetValue("Dot Dash");
|
|
cb->Enable(false);
|
|
|
|
groupSizer->Add(cb, wxSizerFlags(3).Expand().Border(wxALL, border));
|
|
|
|
rowSizer->Add( groupSizer, 1, wxEXPAND|wxALL, border );
|
|
|
|
colSizer->Add( rowSizer, 1, wxEXPAND|wxALL, border );
|
|
|
|
dlg->SetSizer( colSizer );
|
|
colSizer->SetSizeHints( dlg );
|
|
|
|
dlg->SetSize(60,240);
|
|
dlg->Centre();
|
|
dlg->ShowModal();
|
|
}
|
|
|
|
MyFrame::~MyFrame()
|
|
{
|
|
delete wxLog::SetActiveTarget(m_logOld);
|
|
}
|
|
|
|
void MyFrame::OnQuit(wxCommandEvent& WXUNUSED(event))
|
|
{
|
|
// true is to force the frame to close
|
|
Close(true);
|
|
}
|
|
|
|
void MyFrame::OnAbout(wxCommandEvent& WXUNUSED(event))
|
|
{
|
|
wxMessageBox(wxString::Format(
|
|
"Welcome to %s!\n"
|
|
"\n"
|
|
"This is the wxWidgets wxComboCtrl and wxOwnerDrawnComboBox sample\n"
|
|
"running under %s.",
|
|
wxVERSION_STRING,
|
|
wxGetOsDescription()
|
|
),
|
|
"About wxComboCtrl sample",
|
|
wxOK | wxICON_INFORMATION,
|
|
this);
|
|
}
|
|
|
|
void MyFrame::OnIdle(wxIdleEvent& event)
|
|
{
|
|
// This code is useful for debugging focus problems
|
|
// (which are plentiful when dealing with popup windows).
|
|
#if 0
|
|
static wxWindow* lastFocus = (wxWindow*) NULL;
|
|
|
|
wxWindow* curFocus = ::wxWindow::FindFocus();
|
|
|
|
if ( curFocus != lastFocus )
|
|
{
|
|
const wxChar* className = "<none>";
|
|
if ( curFocus )
|
|
className = curFocus->GetClassInfo()->GetClassName();
|
|
lastFocus = curFocus;
|
|
wxLogDebug( "FOCUSED: %s %X",
|
|
className,
|
|
(unsigned int)curFocus);
|
|
}
|
|
#endif
|
|
|
|
event.Skip();
|
|
}
|