// Name: mdi.cpp
// Purpose: MDI sample
// Author: Julian Smart
-// Modified by:
+// Modified by: 2008-10-31 Vadim Zeitlin: big clean up
// Created: 04/01/98
// RCS-ID: $Id$
-// Copyright: (c) Julian Smart
+// Copyright: (c) 1997 Julian Smart
+// (c) 2008 Vadim Zeitlin
// Licence: wxWindows license
/////////////////////////////////////////////////////////////////////////////
#include "bitmaps/print.xpm"
#include "bitmaps/help.xpm"
+// replace this 0 with 1 to build the sample using the generic MDI classes (you
+// may also need to add src/generic/mdig.cpp to the build)
+#if 0
+ #include "wx/generic/mdig.h"
+ #define wxMDIParentFrame wxGenericMDIParentFrame
+ #define wxMDIChildFrame wxGenericMDIChildFrame
+ #define wxMDIClientWindow wxGenericMDIClientWindow
+#endif
#include "mdi.h"
IMPLEMENT_APP(MyApp)
-// ---------------------------------------------------------------------------
-// global variables
-// ---------------------------------------------------------------------------
-
-MyFrame *frame = (MyFrame *) NULL;
-wxList my_children;
-
-// For drawing lines in a canvas
-static long xpos = -1;
-static long ypos = -1;
-
-static int gs_nFrames = 0;
-
// ---------------------------------------------------------------------------
// event tables
// ---------------------------------------------------------------------------
BEGIN_EVENT_TABLE(MyFrame, wxMDIParentFrame)
- EVT_MENU(MDI_ABOUT, MyFrame::OnAbout)
- EVT_MENU(MDI_NEW_WINDOW, MyFrame::OnNewWindow)
- EVT_MENU(MDI_QUIT, MyFrame::OnQuit)
+ EVT_MENU(wxID_ABOUT, MyFrame::OnAbout)
+ EVT_MENU(wxID_NEW, MyFrame::OnNewWindow)
+ EVT_MENU(MDI_FULLSCREEN, MyFrame::OnFullScreen)
+ EVT_MENU(wxID_EXIT, MyFrame::OnQuit)
+
+ EVT_MENU(wxID_CLOSE_ALL, MyFrame::OnCloseAll)
EVT_CLOSE(MyFrame::OnClose)
- EVT_SIZE(MyFrame::OnSize)
END_EVENT_TABLE()
-// Note that MDI_NEW_WINDOW and MDI_ABOUT commands get passed
+// Note that wxID_NEW and wxID_ABOUT commands get passed
// to the parent window for processing, so no need to
// duplicate event handlers here.
BEGIN_EVENT_TABLE(MyChild, wxMDIChildFrame)
- EVT_MENU(MDI_CHILD_QUIT, MyChild::OnQuit)
+ EVT_MENU(wxID_CLOSE, MyChild::OnClose)
EVT_MENU(MDI_REFRESH, MyChild::OnRefresh)
EVT_MENU(MDI_CHANGE_TITLE, MyChild::OnChangeTitle)
EVT_MENU(MDI_CHANGE_POSITION, MyChild::OnChangePosition)
EVT_SIZE(MyChild::OnSize)
EVT_MOVE(MyChild::OnMove)
- EVT_CLOSE(MyChild::OnClose)
+ EVT_CLOSE(MyChild::OnCloseWindow)
END_EVENT_TABLE()
BEGIN_EVENT_TABLE(MyCanvas, wxScrolledWindow)
// Initialise this in OnInit, not statically
bool MyApp::OnInit()
{
- // Create the main frame window
-
- frame = new MyFrame((wxFrame *)NULL, wxID_ANY, _T("MDI Demo"),
- wxDefaultPosition, wxSize(500, 400),
- wxDEFAULT_FRAME_STYLE | wxHSCROLL | wxVSCROLL);
-#if 0
- // Experimental: change the window menu
- wxMenu* windowMenu = new wxMenu;
- windowMenu->Append(5000, _T("My menu item!"));
- frame->SetWindowMenu(windowMenu);
-#endif
+ if ( !wxApp::OnInit() )
+ return false;
- // Give it an icon
- frame->SetIcon(wxICON(sample));
-
- // Make a menubar
- wxMenu *file_menu = new wxMenu;
-
- file_menu->Append(MDI_NEW_WINDOW, _T("&New window\tCtrl-N"), _T("Create a new child window"));
- file_menu->Append(MDI_QUIT, _T("&Exit\tAlt-X"), _T("Quit the program"));
-
- wxMenu *help_menu = new wxMenu;
- help_menu->Append(MDI_ABOUT, _T("&About\tF1"));
-
- wxMenuBar *menu_bar = new wxMenuBar;
-
- menu_bar->Append(file_menu, _T("&File"));
- menu_bar->Append(help_menu, _T("&Help"));
-
- // Associate the menu bar with the frame
- frame->SetMenuBar(menu_bar);
+ // Create the main frame window
-#if wxUSE_STATUSBAR
- frame->CreateStatusBar();
-#endif // wxUSE_STATUSBAR
+ MyFrame *frame = new MyFrame;
frame->Show(true);
- SetTopWindow(frame);
-
return true;
}
// ---------------------------------------------------------------------------
// Define my frame constructor
-MyFrame::MyFrame(wxWindow *parent,
- const wxWindowID id,
- const wxString& title,
- const wxPoint& pos,
- const wxSize& size,
- const long style)
- : wxMDIParentFrame(parent, id, title, pos, size, style)
+MyFrame::MyFrame()
+ : wxMDIParentFrame(NULL, wxID_ANY, "wxWidgets MDI Sample",
+ wxDefaultPosition, wxSize(500, 400))
{
- textWindow = new wxTextCtrl(this, wxID_ANY, _T("A help window"),
- wxDefaultPosition, wxDefaultSize,
- wxTE_MULTILINE | wxSUNKEN_BORDER);
+ SetIcon(wxICON(sample));
+
+ // Make a menubar
+#if wxUSE_MENUS
+ // Associate the menu bar with the frame
+ SetMenuBar(CreateMainMenubar());
+
+
+ // This shows that the standard window menu may be customized:
+ wxMenu * const windowMenu = GetWindowMenu();
+ if ( windowMenu )
+ {
+ // we can change the labels of standard items (which also means we can
+ // set up accelerators for them as they're part of the label)
+ windowMenu->SetLabel(wxID_MDI_WINDOW_TILE_HORZ,
+ "&Tile horizontally\tCtrl-Shift-H");
+ windowMenu->SetLabel(wxID_MDI_WINDOW_TILE_VERT,
+ "&Tile vertically\tCtrl-Shift-V");
+
+ // we can also change the help string
+ windowMenu->SetHelpString(wxID_MDI_WINDOW_CASCADE,
+ "Arrange windows in cascade");
+
+ // we can remove some items
+ windowMenu->Delete(wxID_MDI_WINDOW_ARRANGE_ICONS);
+
+ // and we can add completely custom commands -- but then we must handle
+ // them ourselves, see OnCloseAll()
+ windowMenu->AppendSeparator();
+ windowMenu->Append(wxID_CLOSE_ALL, "&Close all windows\tCtrl-Shift-C",
+ "Close all open windows");
+
+ SetWindowMenu(windowMenu);
+ }
+#endif // wxUSE_MENUS
+
+#if wxUSE_STATUSBAR
+ CreateStatusBar();
+#endif // wxUSE_STATUSBAR
+
+
+ m_textWindow = new wxTextCtrl(this, wxID_ANY, "A help window",
+ wxDefaultPosition, wxDefaultSize,
+ wxTE_MULTILINE | wxSUNKEN_BORDER);
#if wxUSE_TOOLBAR
CreateToolBar(wxNO_BORDER | wxTB_FLAT | wxTB_HORIZONTAL);
#if wxUSE_ACCEL
// Accelerators
wxAcceleratorEntry entries[3];
- entries[0].Set(wxACCEL_CTRL, (int) 'N', MDI_NEW_WINDOW);
- entries[1].Set(wxACCEL_CTRL, (int) 'X', MDI_QUIT);
- entries[2].Set(wxACCEL_CTRL, (int) 'A', MDI_ABOUT);
+ entries[0].Set(wxACCEL_CTRL, (int) 'N', wxID_NEW);
+ entries[1].Set(wxACCEL_CTRL, (int) 'X', wxID_EXIT);
+ entries[2].Set(wxACCEL_CTRL, (int) 'A', wxID_ABOUT);
wxAcceleratorTable accel(3, entries);
SetAcceleratorTable(accel);
#endif // wxUSE_ACCEL
+
+ // connect it only now, after creating m_textWindow
+ Connect(wxEVT_SIZE, wxSizeEventHandler(MyFrame::OnSize));
+}
+
+MyFrame::~MyFrame()
+{
+ // and disconnect it to prevent accessing already deleted m_textWindow in
+ // the size event handler if it's called during destruction
+ Disconnect(wxEVT_SIZE, wxSizeEventHandler(MyFrame::OnSize));
}
+#if wxUSE_MENUS
+/* static */
+wxMenuBar *MyFrame::CreateMainMenubar()
+{
+ wxMenu *menuFile = new wxMenu;
+
+ menuFile->Append(wxID_NEW, "&New window\tCtrl-N", "Create a new child window");
+ menuFile->AppendCheckItem(MDI_FULLSCREEN, "Show &full screen\tCtrl-F");
+ menuFile->Append(wxID_EXIT, "&Exit\tAlt-X", "Quit the program");
+
+ wxMenu *menuHelp = new wxMenu;
+ menuHelp->Append(wxID_ABOUT, "&About\tF1");
+
+ wxMenuBar *mbar = new wxMenuBar;
+ mbar->Append(menuFile, "&File");
+ mbar->Append(menuHelp, "&Help");
+
+ return mbar;
+}
+#endif // wxUSE_MENUS
+
void MyFrame::OnClose(wxCloseEvent& event)
{
- if ( event.CanVeto() && (gs_nFrames > 0) )
+ unsigned numChildren = MyChild::GetChildrenCount();
+ if ( event.CanVeto() && (numChildren > 0) )
{
wxString msg;
- msg.Printf(_T("%d windows still open, close anyhow?"), gs_nFrames);
- if ( wxMessageBox(msg, _T("Please confirm"),
+ msg.Printf("%d windows still open, close anyhow?", numChildren);
+ if ( wxMessageBox(msg, "Please confirm",
wxICON_QUESTION | wxYES_NO) != wxYES )
{
event.Veto();
void MyFrame::OnAbout(wxCommandEvent& WXUNUSED(event) )
{
- (void)wxMessageBox(_T("wxWidgets 2.0 MDI Demo\n")
- _T("Author: Julian Smart (c) 1997\n")
- _T("Usage: mdi.exe"), _T("About MDI Demo"));
+ (void)wxMessageBox("wxWidgets 2.0 MDI Demo\n"
+ "Author: Julian Smart (c) 1997\n"
+ "Usage: mdi.exe", "About MDI Demo");
}
void MyFrame::OnNewWindow(wxCommandEvent& WXUNUSED(event) )
{
- // Make another frame, containing a canvas
- MyChild *subframe = new MyChild(frame, _T("Canvas Frame"));
-
- wxString title;
- title.Printf(_T("Canvas Frame %d"), ++gs_nFrames);
-
- subframe->SetTitle(title);
-
- // Give it an icon
- subframe->SetIcon(wxICON(chart));
-
-#if wxUSE_MENUS
- // Make a menubar
- wxMenu *file_menu = new wxMenu;
-
- file_menu->Append(MDI_NEW_WINDOW, _T("&New window"));
- file_menu->Append(MDI_CHILD_QUIT, _T("&Close child"), _T("Close this window"));
- file_menu->Append(MDI_QUIT, _T("&Exit"));
-
- wxMenu *option_menu = new wxMenu;
-
- option_menu->Append(MDI_REFRESH, _T("&Refresh picture"));
- option_menu->Append(MDI_CHANGE_TITLE, _T("Change &title...\tCtrl-T"));
- option_menu->AppendSeparator();
- option_menu->Append(MDI_CHANGE_POSITION, _T("Move frame\tCtrl-M"));
- option_menu->Append(MDI_CHANGE_SIZE, _T("Resize frame\tCtrl-S"));
-#if wxUSE_CLIPBOARD
- option_menu->AppendSeparator();
- option_menu->Append(wxID_PASTE, _T("Copy text from clipboard\tCtrl-V"));
-#endif // wxUSE_CLIPBOARD
-
- wxMenu *help_menu = new wxMenu;
- help_menu->Append(MDI_ABOUT, _T("&About"));
-
- wxMenuBar *menu_bar = new wxMenuBar;
-
- menu_bar->Append(file_menu, _T("&File"));
- menu_bar->Append(option_menu, _T("&Child"));
- menu_bar->Append(help_menu, _T("&Help"));
-
- // Associate the menu bar with the frame
- subframe->SetMenuBar(menu_bar);
-#endif // wxUSE_MENUS
-
-#if wxUSE_STATUSBAR
- subframe->CreateStatusBar();
- subframe->SetStatusText(title);
-#endif // wxUSE_STATUSBAR
-
- int width, height;
- subframe->GetClientSize(&width, &height);
- MyCanvas *canvas = new MyCanvas(subframe, wxPoint(0, 0), wxSize(width, height));
- canvas->SetCursor(wxCursor(wxCURSOR_PENCIL));
- subframe->canvas = canvas;
+ // create and show another child frame
+ MyChild *subframe = new MyChild(this);
+ subframe->Show(true);
+}
- // Give it scrollbars
- canvas->SetScrollbars(20, 20, 50, 50);
+void MyFrame::OnFullScreen(wxCommandEvent& event)
+{
+ ShowFullScreen(event.IsChecked());
+}
- subframe->Show(true);
+void MyFrame::OnCloseAll(wxCommandEvent& WXUNUSED(event))
+{
+ for ( wxWindowList::const_iterator i = GetChildren().begin();
+ i != GetChildren().end();
+ ++i )
+ {
+ if ( wxDynamicCast(*i, wxMDIChildFrame) )
+ (*i)->Close();
+ }
}
-void MyFrame::OnSize(wxSizeEvent&
- #ifdef __WXUNIVERSAL__
- event
- #else
- WXUNUSED(event)
- #endif
- )
+void MyFrame::OnSize(wxSizeEvent& event)
{
int w, h;
GetClientSize(&w, &h);
- textWindow->SetSize(0, 0, 200, h);
+ m_textWindow->SetSize(0, 0, 200, h);
GetClientWindow()->SetSize(200, 0, w - 200, h);
// FIXME: On wxX11, we need the MDI frame to process this
// be done.
#ifdef __WXUNIVERSAL__
event.Skip();
+#else
+ wxUnusedVar(event);
#endif
}
bitmaps[6] = wxBitmap( print_xpm );
bitmaps[7] = wxBitmap( help_xpm );
- toolBar->AddTool(MDI_NEW_WINDOW, _T("New"), bitmaps[0], _T("New file"));
- toolBar->AddTool(1, _T("Open"), bitmaps[1], _T("Open file"));
- toolBar->AddTool(2, _T("Save"), bitmaps[2], _T("Save file"));
+ toolBar->AddTool(wxID_NEW, "New", bitmaps[0], "New file");
+ toolBar->AddTool(1, "Open", bitmaps[1], "Open file");
+ toolBar->AddTool(2, "Save", bitmaps[2], "Save file");
toolBar->AddSeparator();
- toolBar->AddTool(3, _T("Copy"), bitmaps[3], _T("Copy"));
- toolBar->AddTool(4, _T("Cut"), bitmaps[4], _T("Cut"));
- toolBar->AddTool(5, _T("Paste"), bitmaps[5], _T("Paste"));
+ toolBar->AddTool(3, "Copy", bitmaps[3], "Copy");
+ toolBar->AddTool(4, "Cut", bitmaps[4], "Cut");
+ toolBar->AddTool(5, "Paste", bitmaps[5], "Paste");
toolBar->AddSeparator();
- toolBar->AddTool(6, _T("Print"), bitmaps[6], _T("Print"));
+ toolBar->AddTool(6, "Print", bitmaps[6], "Print");
toolBar->AddSeparator();
- toolBar->AddTool(MDI_ABOUT, _T("About"), bitmaps[7], _T("Help"));
+ toolBar->AddTool(wxID_ABOUT, "About", bitmaps[7], "Help");
toolBar->Realize();
}
wxNO_FULL_REPAINT_ON_RESIZE |
wxVSCROLL | wxHSCROLL)
{
- SetBackgroundColour(wxColour(_T("WHITE")));
+ SetBackgroundColour(wxColour("WHITE"));
+ SetCursor(wxCursor(wxCURSOR_PENCIL));
+
+ SetScrollbars(20, 20, 50, 50);
m_dirty = false;
}
dc.DrawSpline(50, 200, 50, 100, 200, 10);
#endif // wxUSE_SPLINES
dc.DrawLine(50, 230, 200, 230);
- dc.DrawText(_T("This is a test string"), 50, 230);
+ dc.DrawText("This is a test string", 50, 230);
wxPoint points[3];
points[0].x = 200; points[0].y = 300;
wxPoint pt(event.GetLogicalPosition(dc));
+ static long xpos = -1;
+ static long ypos = -1;
+
if (xpos > -1 && ypos > -1 && event.Dragging())
{
dc.SetPen(*wxBLACK_PEN);
// MyChild
// ---------------------------------------------------------------------------
-MyChild::MyChild(wxMDIParentFrame *parent, const wxString& title)
- : wxMDIChildFrame(parent, wxID_ANY, title, wxDefaultPosition, wxDefaultSize,
- wxDEFAULT_FRAME_STYLE | wxNO_FULL_REPAINT_ON_RESIZE)
+unsigned MyChild::ms_numChildren = 0;
+
+MyChild::MyChild(wxMDIParentFrame *parent)
+ : wxMDIChildFrame
+ (
+ parent,
+ wxID_ANY,
+ wxString::Format("Child %u", ++ms_numChildren)
+ )
{
- canvas = (MyCanvas *) NULL;
- my_children.Append(this);
+ m_canvas = new MyCanvas(this, wxPoint(0, 0), GetClientSize());
+
+ SetIcon(wxICON(chart));
+
+ const bool canBeResized = !IsAlwaysMaximized();
+
+ // create our menu bar: it will be shown instead of the main frame one when
+ // we're active
+#if wxUSE_MENUS
+ wxMenuBar *mbar = MyFrame::CreateMainMenubar();
+ mbar->GetMenu(0)->Insert(1, wxID_CLOSE, "&Close child\tCtrl-W",
+ "Close this window");
+
+ wxMenu *menuChild = new wxMenu;
+
+ menuChild->Append(MDI_REFRESH, "&Refresh picture");
+ menuChild->Append(MDI_CHANGE_TITLE, "Change &title...\tCtrl-T");
+ if ( canBeResized )
+ {
+ menuChild->AppendSeparator();
+ menuChild->Append(MDI_CHANGE_POSITION, "Move frame\tCtrl-M");
+ menuChild->Append(MDI_CHANGE_SIZE, "Resize frame\tCtrl-S");
+ }
+#if wxUSE_CLIPBOARD
+ menuChild->AppendSeparator();
+ menuChild->Append(wxID_PASTE, "Copy text from clipboard\tCtrl-V");
+#endif // wxUSE_CLIPBOARD
+
+ mbar->Insert(1, menuChild, "&Child");
+
+ // Associate the menu bar with the frame
+ SetMenuBar(mbar);
+#endif // wxUSE_MENUS
- // this should work for MDI frames as well as for normal ones
- SetSizeHints(100, 100);
+ // this should work for MDI frames as well as for normal ones, provided
+ // they can be resized at all
+ if ( canBeResized )
+ SetSizeHints(100, 100);
}
MyChild::~MyChild()
{
- my_children.DeleteObject(this);
+ ms_numChildren--;
}
-void MyChild::OnQuit(wxCommandEvent& WXUNUSED(event))
+void MyChild::OnClose(wxCommandEvent& WXUNUSED(event))
{
Close(true);
}
void MyChild::OnRefresh(wxCommandEvent& WXUNUSED(event))
{
- if ( canvas )
- canvas->Refresh();
+ if ( m_canvas )
+ m_canvas->Refresh();
}
void MyChild::OnChangePosition(wxCommandEvent& WXUNUSED(event))
void MyChild::OnChangeTitle(wxCommandEvent& WXUNUSED(event))
{
#if wxUSE_TEXTDLG
- static wxString s_title = _T("Canvas Frame");
+ static wxString s_title = "Canvas Frame";
- wxString title = wxGetTextFromUser(_T("Enter the new title for MDI child"),
- _T("MDI sample question"),
+ wxString title = wxGetTextFromUser("Enter the new title for MDI child",
+ "MDI sample question",
s_title,
GetParent()->GetParent());
if ( !title )
void MyChild::OnActivate(wxActivateEvent& event)
{
- if ( event.GetActive() && canvas )
- canvas->SetFocus();
+ if ( event.GetActive() && m_canvas )
+ m_canvas->SetFocus();
}
void MyChild::OnMove(wxMoveEvent& event)
// to be the width of the MDI canvas border)
wxPoint pos1 = event.GetPosition(),
pos2 = GetPosition();
- wxLogStatus(wxT("position from event: (%d, %d), from frame (%d, %d)"),
+ wxLogStatus("position from event: (%d, %d), from frame (%d, %d)",
pos1.x, pos1.y, pos2.x, pos2.y);
event.Skip();
wxSize size1 = event.GetSize(),
size2 = GetSize(),
size3 = GetClientSize();
- wxLogStatus(wxT("size from event: %dx%d, from frame %dx%d, client %dx%d"),
+ wxLogStatus("size from event: %dx%d, from frame %dx%d, client %dx%d",
size1.x, size1.y, size2.x, size2.y, size3.x, size3.y);
event.Skip();
}
-void MyChild::OnClose(wxCloseEvent& event)
+void MyChild::OnCloseWindow(wxCloseEvent& event)
{
- if ( canvas && canvas->IsDirty() )
+ if ( m_canvas && m_canvas->IsDirty() )
{
- if ( wxMessageBox(_T("Really close?"), _T("Please confirm"),
+ if ( wxMessageBox("Really close?", "Please confirm",
wxICON_QUESTION | wxYES_NO) != wxYES )
{
event.Veto();
}
}
- gs_nFrames--;
-
event.Skip();
}
{
wxClipboardLocker lock;
wxTextDataObject data;
- canvas->SetText(wxTheClipboard->GetData(data) ? data.GetText().c_str()
- : _T("No text on clipboard"));
+ m_canvas->SetText(wxTheClipboard->GetData(data)
+ ? data.GetText()
+ : wxString("No text on clipboard"));
}
void MyChild::OnUpdatePaste(wxUpdateUIEvent& event)