X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/45e6e6f8ab806b337dffeb3b52fec7eba3c845ef..f155075229d771430f0793700f5048ad4be00e9d:/samples/mdi/mdi.cpp?ds=sidebyside diff --git a/samples/mdi/mdi.cpp b/samples/mdi/mdi.cpp index 18e0400163..c65e285682 100644 --- a/samples/mdi/mdi.cpp +++ b/samples/mdi/mdi.cpp @@ -2,11 +2,12 @@ // 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 -// Licence: wxWindows license +// Copyright: (c) 1997 Julian Smart +// (c) 2008 Vadim Zeitlin +// Licence: wxWindows licence ///////////////////////////////////////////////////////////////////////////// // =========================================================================== @@ -31,7 +32,7 @@ #include "wx/toolbar.h" -#if !defined(__WXMSW__) +#ifndef wxHAS_IMAGES_IN_RESOURCES #include "../sample.xpm" #include "chart.xpm" #endif @@ -45,42 +46,39 @@ #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) @@ -94,13 +92,17 @@ BEGIN_EVENT_TABLE(MyChild, wxMDIChildFrame) EVT_SIZE(MyChild::OnSize) EVT_MOVE(MyChild::OnMove) - EVT_CLOSE(MyChild::OnClose) + EVT_CLOSE(MyChild::OnCloseWindow) END_EVENT_TABLE() BEGIN_EVENT_TABLE(MyCanvas, wxScrolledWindow) EVT_MOUSE_EVENTS(MyCanvas::OnEvent) END_EVENT_TABLE() +BEGIN_EVENT_TABLE(MyChild::EventHandler, wxEvtHandler) + EVT_MENU(MDI_REFRESH, MyChild::EventHandler::OnRefresh) +END_EVENT_TABLE() + // =========================================================================== // implementation // =========================================================================== @@ -117,44 +119,10 @@ 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 - - // 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); - -#if wxUSE_STATUSBAR - frame->CreateStatusBar(); -#endif // wxUSE_STATUSBAR + MyFrame *frame = new MyFrame; frame->Show(true); - SetTopWindow(frame); - return true; } @@ -163,17 +131,54 @@ bool MyApp::OnInit() // --------------------------------------------------------------------------- // 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); @@ -183,21 +188,53 @@ MyFrame::MyFrame(wxWindow *parent, #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(); @@ -216,86 +253,40 @@ void MyFrame::OnQuit(wxCommandEvent& WXUNUSED(event)) 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 @@ -303,6 +294,8 @@ void MyFrame::OnSize(wxSizeEvent& // be done. #ifdef __WXUNIVERSAL__ event.Skip(); +#else + wxUnusedVar(event); #endif } @@ -320,17 +313,17 @@ void MyFrame::InitToolBar(wxToolBar* toolBar) 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(); } @@ -347,7 +340,10 @@ MyCanvas::MyCanvas(wxWindow *parent, const wxPoint& pos, const wxSize& size) wxNO_FULL_REPAINT_ON_RESIZE | wxVSCROLL | wxHSCROLL) { - SetBackgroundColour(wxColour(_T("WHITE"))); + SetBackgroundColour(*wxWHITE); + SetCursor(wxCursor(wxCURSOR_PENCIL)); + + SetScrollbars(20, 20, 50, 50); m_dirty = false; } @@ -373,7 +369,7 @@ void MyCanvas::OnDraw(wxDC& dc) 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; @@ -392,6 +388,9 @@ void MyCanvas::OnEvent(wxMouseEvent& event) wxPoint pt(event.GetLogicalPosition(dc)); + static long xpos = -1; + static long ypos = -1; + if (xpos > -1 && ypos > -1 && event.Dragging()) { dc.SetPen(*wxBLACK_PEN); @@ -408,31 +407,76 @@ void MyCanvas::OnEvent(wxMouseEvent& event) // 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; - // this should work for MDI frames as well as for normal ones - SetSizeHints(100, 100); + 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, provided + // they can be resized at all + if ( canBeResized ) + SetSizeHints(100, 100); + + // test that event handlers pushed on top of MDI children do work (this + // used to be broken, see #11225) + PushEventHandler(new EventHandler(ms_numChildren)); } MyChild::~MyChild() { - my_children.DeleteObject(this); + PopEventHandler(true); + + 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)) @@ -448,10 +492,10 @@ void MyChild::OnChangeSize(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 ) @@ -464,8 +508,8 @@ void MyChild::OnChangeTitle(wxCommandEvent& WXUNUSED(event)) void MyChild::OnActivate(wxActivateEvent& event) { - if ( event.GetActive() && canvas ) - canvas->SetFocus(); + if ( event.GetActive() && m_canvas ) + m_canvas->SetFocus(); } void MyChild::OnMove(wxMoveEvent& event) @@ -475,7 +519,7 @@ 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(); @@ -489,17 +533,17 @@ void MyChild::OnSize(wxSizeEvent& event) 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(); @@ -508,8 +552,6 @@ void MyChild::OnClose(wxCloseEvent& event) } } - gs_nFrames--; - event.Skip(); } @@ -521,8 +563,9 @@ void MyChild::OnPaste(wxCommandEvent& WXUNUSED(event)) { 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)