Corrected dangerous cast.

[wxWidgets.git] / samples / statbar / statbar.cpp

diff --git a/samples/statbar/statbar.cpp b/samples/statbar/statbar.cpp
index 12405daf5f59c70348021e647dbe450651b101d1..2b9924d343edfc62d913e9bcb294c138d33db803 100644 (file)
--- a/samples/statbar/statbar.cpp
+++ b/samples/statbar/statbar.cpp
@@ -17,11 +17,6 @@
 // headers
 // ----------------------------------------------------------------------------
 
-#ifdef __GNUG__
-    #pragma implementation "statbar.cpp"
-    #pragma interface "statbar.cpp"
-#endif
-
 // For compilers that support precompilation, includes "wx/wx.h".
 #include "wx/wxprec.h"
 
@@ -55,6 +50,11 @@
 // define this for the platforms which don't support wxBitmapButton (such as
 // Motif), else a wxBitmapButton will be used
 #ifdef __WXMOTIF__
+//#define USE_MDI_PARENT_FRAME 1
+
+#ifdef USE_MDI_PARENT_FRAME
+    #include "wx/mdi.h"
+#endif // USE_MDI_PARENT_FRAME
     #define USE_STATIC_BITMAP
 #endif
 
@@ -132,7 +132,11 @@ class MyFrame : public wxFrame
 public:
     // ctor(s)
     MyFrame(const wxString& title, const wxPoint& pos, const wxSize& size);
+#ifdef USE_MDI_PARENT_FRAME
+class MyFrame : public wxMDIParentFrame
+#else
     virtual ~MyFrame();
+#endif
 
     // event handlers (these functions should _not_ be virtual)
     void OnQuit(wxCommandEvent& event);
@@ -148,7 +152,9 @@ private:
         StatBar_Custom,
         StatBar_Max
     } m_statbarKind;
-
+    void OnUpdateSetStatusFields(wxUpdateUIEvent& event);
+    void OnUpdateStatusBarToggle(wxUpdateUIEvent& event);
+    void OnStatusBarToggle(wxCommandEvent& event);
     void DoCreateStatusBar(StatBarKind kind);
 
     wxStatusBar *m_statbarDefault;
@@ -177,6 +183,7 @@ enum
     StatusBar_SetFields,
     StatusBar_Recreate,
     StatusBar_About,
+    StatusBar_Toggle,
     StatusBar_Checkbox = 1000
 };
 
@@ -190,11 +197,18 @@ static const int BITMAP_SIZE_Y = 15;
 // the event tables connect the wxWindows events with the functions (event
 // handlers) which process them. It can be also done at run-time, but for the
 // simple menu events like this the static method is much simpler.
+#ifdef USE_MDI_PARENT_FRAME
+BEGIN_EVENT_TABLE(MyFrame, wxMDIParentFrame)
+#else
 BEGIN_EVENT_TABLE(MyFrame, wxFrame)
+#endif
     EVT_MENU(StatusBar_Quit,  MyFrame::OnQuit)
     EVT_MENU(StatusBar_SetFields, MyFrame::OnSetStatusFields)
     EVT_MENU(StatusBar_Recreate, MyFrame::OnRecreateStatusBar)
     EVT_MENU(StatusBar_About, MyFrame::OnAbout)
+    EVT_MENU(StatusBar_Toggle, MyFrame::OnStatusBarToggle)
+    EVT_UPDATE_UI(StatusBar_Toggle, MyFrame::OnUpdateStatusBarToggle)
+    EVT_UPDATE_UI(StatusBar_SetFields, MyFrame::OnUpdateSetStatusFields)
 END_EVENT_TABLE()
 
 BEGIN_EVENT_TABLE(MyStatusBar, wxStatusBar)
@@ -242,7 +256,11 @@ bool MyApp::OnInit()
 
 // frame constructor
 MyFrame::MyFrame(const wxString& title, const wxPoint& pos, const wxSize& size)
-       : wxFrame((wxFrame *)NULL, -1, title, pos, size)
+#ifdef USE_MDI_PARENT_FRAME
+       : wxMDIParentFrame((wxWindow *)NULL, -1, title, pos, size)
+#else
+       : wxFrame((wxWindow *)NULL, -1, title, pos, size)
+#endif
 {
     m_statbarDefault = NULL;
     m_statbarCustom = NULL;
@@ -260,6 +278,8 @@ MyFrame::MyFrame(const wxString& title, const wxPoint& pos, const wxSize& size)
     wxMenu *statbarMenu = new wxMenu;
     statbarMenu->Append(StatusBar_SetFields, "&Set field count\tCtrl-C",
                         "Set the number of status bar fields");
+    statbarMenu->Append(StatusBar_Toggle, "&Toggle Status Bar",
+                        "Toggle the status bar display", true);
     statbarMenu->Append(StatusBar_Recreate, "&Recreate\tCtrl-R",
                         "Toggle status bar format");
 
@@ -277,6 +297,7 @@ MyFrame::MyFrame(const wxString& title, const wxPoint& pos, const wxSize& size)
 
     // create default status bar to start with
     CreateStatusBar(2);
+    m_statbarKind = StatBar_Default;
     SetStatusText("Welcome to wxWindows!");
 
     m_statbarDefault = GetStatusBar();
@@ -313,7 +334,7 @@ void MyFrame::DoCreateStatusBar(MyFrame::StatBarKind kind)
             break;
 
         default:
-            wxFAIL_MSG("unknown stat bar kind");
+            wxFAIL_MSG(wxT("unknown stat bar kind"));
     }
 
     GetStatusBar()->Show();
@@ -322,6 +343,15 @@ void MyFrame::DoCreateStatusBar(MyFrame::StatBarKind kind)
     m_statbarKind = kind;
 }
 
+void MyFrame::OnUpdateSetStatusFields(wxUpdateUIEvent& event)
+{
+    // only allow the setting of the number of status fields for the default
+    // status bar
+    wxStatusBar *sb = GetStatusBar();
+    event.Enable(sb == m_statbarDefault);
+}
+
+
 // event handlers
 void MyFrame::OnSetStatusFields(wxCommandEvent& WXUNUSED(event))
 {
@@ -329,9 +359,9 @@ void MyFrame::OnSetStatusFields(wxCommandEvent& WXUNUSED(event))
 
     long nFields = wxGetNumberFromUser
                    (
-                    "Select the number of fields in the status bar",
-                    "Fields:",
-                    "wxWindows statusbar sample",
+                    _T("Select the number of fields in the status bar"),
+                    _T("Fields:"),
+                    _T("wxWindows statusbar sample"),
                     sb->GetFieldsCount(),
                     1, 5,
                     this
@@ -345,7 +375,7 @@ void MyFrame::OnSetStatusFields(wxCommandEvent& WXUNUSED(event))
         static const int widthsFor3Fields[] = { -1, -2, -1 };
         static const int widthsFor4Fields[] = { 100, -1, 100, -2, 100 };
 
-        static const int *widths[] =
+        static const int *widthsAll[] =
         {
             NULL,               // 1 field: default
             widthsFor2Fields,   // 2 fields: 1 fixed, 1 var
@@ -354,11 +384,26 @@ void MyFrame::OnSetStatusFields(wxCommandEvent& WXUNUSED(event))
             NULL                // 5 fields: default (all have same width)
         };
 
-        sb->SetFieldsCount(nFields, widths[nFields - 1]);
+        const int * const widths = widthsAll[nFields - 1];
+        sb->SetFieldsCount(nFields, widths);
+
+        wxString s;
+        for ( long n = 0; n < nFields; n++ )
+        {
+            if ( widths )
+            {
+                if ( widths[n] > 0 )
+                    s.Printf(_T("fixed (%d)"), widths[n]);
+                else
+                    s.Printf(_T("variable (*%d)"), -widths[n]);
+            }
+            else
+            {
+                s = _T("default");
+            }
 
-        wxLogStatus(this,
-                    wxString::Format(wxT("Status bar now has %ld fields"),
-                                     nFields));
+            SetStatusText(s, n);
+        }
     }
     else
     {
@@ -366,6 +411,30 @@ void MyFrame::OnSetStatusFields(wxCommandEvent& WXUNUSED(event))
     }
 }
 
+void MyFrame::OnUpdateStatusBarToggle(wxUpdateUIEvent& event)
+{
+    event.Check(GetStatusBar() != 0);
+}
+
+void MyFrame::OnStatusBarToggle(wxCommandEvent& WXUNUSED(event))
+{
+    wxStatusBar *statbarOld = GetStatusBar();
+    if ( statbarOld )
+    {
+        statbarOld->Hide();
+        SetStatusBar(0);
+    }
+    else
+    {
+        DoCreateStatusBar(m_statbarKind);
+    }
+#ifdef __WXMSW__
+    // The following is a kludge suggested by Vadim Zeitlin (one of the wxWindows
+    // authors) while we look for a proper fix..
+//    SendSizeEvent();
+#endif
+}
+
 void MyFrame::OnRecreateStatusBar(wxCommandEvent& WXUNUSED(event))
 {
     DoCreateStatusBar(m_statbarKind == StatBar_Custom ? StatBar_Default