wxWidgets/samples/ownerdrw/ownerdrw.cpp

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11 KiB
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///////////////////////////////////////////////////////////////////////////////
// Name: ownerdrw.cpp
// Purpose: Owner-draw sample, for Windows
// Author: Vadim Zeitlin
// Modified by:
// Created: 13.11.97
// RCS-ID: $Id$
// Copyright: (c) 1998 Vadim Zeitlin <zeitlin@dptmaths.ens-cachan.fr>
// Licence: wxWindows license
///////////////////////////////////////////////////////////////////////////////
// ============================================================================
// headers & declarations
// ============================================================================
// For compilers that support precompilation, includes "wx.h".
#include "wx/wxprec.h"
#ifdef __BORLANDC__
#pragma hdrstop
#endif
#ifndef WX_PRECOMP
#include "wx/wx.h"
#endif
#include "wx/ownerdrw.h"
#include "wx/menuitem.h"
#include "wx/checklst.h"
// Define a new application type
class OwnerDrawnApp: public wxApp
{
public:
bool OnInit();
};
// Define a new frame type
class OwnerDrawnFrame : public wxFrame
{
public:
// ctor & dtor
OwnerDrawnFrame(wxFrame *frame, const wxChar *title, int x, int y, int w, int h);
~OwnerDrawnFrame(){};
// notifications
void OnQuit (wxCommandEvent& event);
void OnMenuToggle (wxCommandEvent& event);
void OnAbout (wxCommandEvent& event);
void OnListboxSelect (wxCommandEvent& event);
void OnCheckboxToggle (wxCommandEvent& event);
void OnListboxDblClick (wxCommandEvent& event);
bool OnClose () { return true; }
DECLARE_EVENT_TABLE()
private:
void InitMenu();
wxCheckListBox *m_pListBox;
wxMenuItem *pAboutItem;
};
enum
{
Menu_Quit = 1,
Menu_First = 100,
Menu_Test1, Menu_Test2, Menu_Test3,
Menu_Bitmap, Menu_Bitmap2,
Menu_Submenu, Menu_Sub1, Menu_Sub2, Menu_Sub3,
Menu_Toggle, Menu_About,
Control_First = 1000,
Control_Listbox, Control_Listbox2,
};
BEGIN_EVENT_TABLE(OwnerDrawnFrame, wxFrame)
EVT_MENU(Menu_Toggle, OwnerDrawnFrame::OnMenuToggle)
EVT_MENU(Menu_About, OwnerDrawnFrame::OnAbout)
EVT_MENU(Menu_Quit, OwnerDrawnFrame::OnQuit)
EVT_LISTBOX(Control_Listbox, OwnerDrawnFrame::OnListboxSelect)
EVT_CHECKLISTBOX(Control_Listbox, OwnerDrawnFrame::OnCheckboxToggle)
EVT_COMMAND(Control_Listbox, wxEVT_COMMAND_LISTBOX_DOUBLECLICKED,
OwnerDrawnFrame::OnListboxDblClick)
END_EVENT_TABLE()
IMPLEMENT_APP(OwnerDrawnApp);
// init our app: create windows
bool OwnerDrawnApp::OnInit(void)
{
OwnerDrawnFrame *pFrame
= new OwnerDrawnFrame(NULL, _T("wxWidgets Ownerdraw Sample"),
50, 50, 450, 340);
SetTopWindow(pFrame);
return true;
}
// create the menu bar for the main frame
void OwnerDrawnFrame::InitMenu()
{
// Make a menubar
wxMenuItem *pItem;
wxMenu *file_menu = new wxMenu;
#ifndef __WXUNIVERSAL__
wxMenu *sub_menu = new wxMenu;
// vars used for menu construction
wxFont fontLarge(18, wxROMAN, wxNORMAL, wxBOLD, false),
fontUlined(12, wxDEFAULT, wxNORMAL, wxNORMAL, true),
fontItalic(12, wxMODERN, wxITALIC, wxBOLD, false),
// should be at least of the size of bitmaps
fontBmp(14, wxDEFAULT, wxNORMAL, wxNORMAL, false);
// sorry for my artistic skills...
wxBitmap bmpBell(_T("bell")),
bmpSound(_T("sound")),
bmpNoSound(_T("nosound")),
bmpInfo(_T("info")),
bmpInfo_mono(_T("info_mono"));
// construct submenu
pItem = new wxMenuItem(sub_menu, Menu_Sub1, _T("Submenu &first"), _T("large"));
pItem->SetFont(fontLarge);
sub_menu->Append(pItem);
pItem = new wxMenuItem(sub_menu, Menu_Sub2, _T("Submenu &second"), _T("italic"),
wxITEM_CHECK);
pItem->SetFont(fontItalic);
sub_menu->Append(pItem);
pItem = new wxMenuItem(sub_menu, Menu_Sub3, _T("Submenu &third"), _T("underlined"),
wxITEM_CHECK);
pItem->SetFont(fontUlined);
sub_menu->Append(pItem);
// construct menu
pItem = new wxMenuItem(file_menu, Menu_Test1, _T("&Uncheckable"), _T("red item"));
pItem->SetFont(*wxITALIC_FONT);
pItem->SetTextColour(wxColor(255, 0, 0));
file_menu->Append(pItem);
pItem = new wxMenuItem(file_menu, Menu_Test2, _T("&Checkable"),
_T("checkable item"), wxITEM_CHECK);
pItem->SetFont(*wxSMALL_FONT);
file_menu->Append(pItem);
file_menu->Check(Menu_Test2, true);
pItem = new wxMenuItem(file_menu, Menu_Test3, _T("&Disabled"), _T("disabled item"));
pItem->SetFont(*wxNORMAL_FONT);
file_menu->Append(pItem);
file_menu->Enable(Menu_Test3, false);
file_menu->AppendSeparator();
pItem = new wxMenuItem(file_menu, Menu_Bitmap, _T("&Bell"),
_T("check/uncheck me!"), wxITEM_CHECK);
pItem->SetFont(fontBmp);
pItem->SetBitmaps(bmpBell);
file_menu->Append(pItem);
pItem = new wxMenuItem(file_menu, Menu_Bitmap2, _T("So&und"),
_T("icon changes!"), wxITEM_CHECK);
pItem->SetFont(fontBmp);
pItem->SetBitmaps(bmpSound, bmpNoSound);
file_menu->Append(pItem);
file_menu->AppendSeparator();
pItem = new wxMenuItem(file_menu, Menu_Submenu, _T("&Sub menu"), _T(""),
wxITEM_CHECK, sub_menu);
pItem->SetFont(*wxSWISS_FONT);
file_menu->Append(pItem);
file_menu->AppendSeparator();
pItem = new wxMenuItem(file_menu, Menu_Toggle, _T("&Disable/Enable\tCtrl+D"),
_T("enables/disables the About-Item"), wxITEM_NORMAL);
pItem->SetFont(*wxNORMAL_FONT);
file_menu->Append(pItem);
// Of course Ctrl+RatherLongAccel will not work in this example:
pAboutItem = new wxMenuItem(file_menu, Menu_About, _T("&About\tCtrl+RatherLongAccel"),
_T("display program information"), wxITEM_NORMAL);
pAboutItem->SetBitmap(bmpInfo);
pAboutItem->SetDisabledBitmap(bmpInfo_mono);
file_menu->Append(pAboutItem);
file_menu->AppendSeparator();
#endif
pItem = new wxMenuItem(file_menu, Menu_Quit, _T("&Quit"), _T("Normal item"),
wxITEM_NORMAL);
file_menu->Append(pItem);
wxMenuBar *menu_bar = new wxMenuBar;
menu_bar->Append(file_menu, _T("&File"));
SetMenuBar(menu_bar);
}
// main frame constructor
OwnerDrawnFrame::OwnerDrawnFrame(wxFrame *frame, const wxChar *title,
int x, int y, int w, int h)
: wxFrame(frame, wxID_ANY, title, wxPoint(x, y), wxSize(w, h))
{
// set the icon
SetIcon(wxIcon(_T("mondrian")));
// create the menu
InitMenu();
#if wxUSE_STATUSBAR
// create the status line
const int widths[] = { -1, 60 };
CreateStatusBar(2);
SetStatusWidths(2, widths);
SetStatusText(_T("no selection"), 0);
#endif // wxUSE_STATUSBAR
// make a panel with some controls
wxPanel *pPanel = new wxPanel(this);
// check list box
static const wxChar* aszChoices[] = { _T("Hello"), _T("world"), _T("and"),
_T("goodbye"), _T("cruel"), _T("world"),
_T("-------"), _T("owner-drawn"), _T("listbox") };
wxString *astrChoices = new wxString[WXSIZEOF(aszChoices)];
unsigned int ui;
for ( ui = 0; ui < WXSIZEOF(aszChoices); ui++ )
astrChoices[ui] = aszChoices[ui];
m_pListBox = new wxCheckListBox
(
pPanel, // parent
Control_Listbox, // control id
wxPoint(10, 10), // listbox position
wxSize(200, 200), // listbox size
WXSIZEOF(aszChoices), // number of strings
astrChoices // array of strings
);
delete [] astrChoices;
for ( ui = 0; ui < WXSIZEOF(aszChoices); ui += 2 )
{
#if defined(__WXMSW__) && !defined(__WXUNIVERSAL__)
m_pListBox->GetItem(ui)->SetBackgroundColour(wxColor(200, 200, 200));
#endif
}
m_pListBox->Check(2);
// normal (but owner-drawn) listbox
static const wxChar* aszColors[] = { _T("Red"), _T("Blue"), _T("Pink"),
_T("Green"), _T("Yellow"),
_T("Black"), _T("Violet") };
astrChoices = new wxString[WXSIZEOF(aszColors)];
for ( ui = 0; ui < WXSIZEOF(aszColors); ui++ )
{
astrChoices[ui] = aszColors[ui];
}
wxListBox *pListBox = new wxListBox
(
pPanel, // parent
Control_Listbox2, // control id
wxPoint(220, 10), // listbox position
wxSize(200, 200), // listbox size
WXSIZEOF(aszColors), // number of strings
astrChoices, // array of strings
wxLB_OWNERDRAW // owner-drawn
);
#if defined(__WXMSW__) && !defined(__WXUNIVERSAL__)
struct { unsigned char r, g, b; } aColors[] =
{
{255,0,0}, {0,0,255}, {255,128,192},
{0,255,0}, {255,255,128},
{0,0,0}, {128,0,255}
};
for ( ui = 0; ui < WXSIZEOF(aszColors); ui++ )
{
pListBox->GetItem(ui)->SetTextColour(wxColor(aColors[ui].r,
aColors[ui].g,
aColors[ui].b));
// yellow on white is horrible...
if ( ui == 4 )
{
pListBox->GetItem(ui)->SetBackgroundColour(wxColor(0, 0, 0));
}
}
#else
wxUnusedVar( pListBox );
#endif
delete[] astrChoices;
Show(true);
}
void OwnerDrawnFrame::OnQuit(wxCommandEvent& WXUNUSED(event))
{
Close(true);
}
void OwnerDrawnFrame::OnMenuToggle(wxCommandEvent& WXUNUSED(event))
{
// This example shows the use of bitmaps in ownerdrawn menuitems and is not a good
// example on how to enable and disable menuitems - this should be done with the help of
// EVT_UPDATE_UI and EVT_UPDATE_UI_RANGE !
pAboutItem->Enable( pAboutItem->IsEnabled() ? false : true );
}
void OwnerDrawnFrame::OnAbout(wxCommandEvent& WXUNUSED(event))
{
wxMessageDialog dialog(this,
_T("Demo of owner-drawn controls\n"),
_T("About wxOwnerDrawn"), wxYES_NO | wxCANCEL);
dialog.ShowModal();
}
void OwnerDrawnFrame::OnListboxSelect(wxCommandEvent& event)
{
#if wxUSE_STATUSBAR
wxString strSelection;
unsigned int nSel = event.GetSelection();
strSelection.Printf(wxT("item %d selected (%schecked)"), nSel,
m_pListBox->IsChecked(nSel) ? wxT("") : wxT("not "));
SetStatusText(strSelection);
#else
wxUnusedVar(event);
#endif // wxUSE_STATUSBAR
}
void OwnerDrawnFrame::OnListboxDblClick(wxCommandEvent& WXUNUSED(event))
{
wxString strSelection;
strSelection.Printf(wxT("item %d double clicked"),
m_pListBox->GetSelection());
wxMessageDialog dialog(this, strSelection);
dialog.ShowModal();
}
void OwnerDrawnFrame::OnCheckboxToggle(wxCommandEvent& event)
{
#if wxUSE_STATUSBAR
wxString strSelection;
unsigned int nItem = event.GetInt();
strSelection.Printf(wxT("item %d was %schecked"), nItem,
m_pListBox->IsChecked(nItem) ? wxT("") : wxT("un"));
SetStatusText(strSelection);
#else
wxUnusedVar(event);
#endif // wxUSE_STATUSBAR
}