don't crash when invalid colour is set as fg/bg colour

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

diff --git a/samples/statbar/statbar.cpp b/samples/statbar/statbar.cpp
index 96b55de7b8d42eb86647a8a4d22801206a095ea7..588d97b2f5953f68692da2c07e613032945ee8e8 100644 (file)
--- a/samples/statbar/statbar.cpp
+++ b/samples/statbar/statbar.cpp
@@ -33,8 +33,7 @@
     #error "You need to set wxUSE_STATUSBAR to 1 to compile this sample"
 #endif // wxUSE_STATUSBAR
 
     #error "You need to set wxUSE_STATUSBAR to 1 to compile this sample"
 #endif // wxUSE_STATUSBAR
 

-// for all others, include the necessary headers (this file is usually all you
-// need because it includes almost all "standard" wxWindows headers
+// for all others, include the necessary headers

 #ifndef WX_PRECOMP
     #include "wx/app.h"
     #include "wx/frame.h"
 #ifndef WX_PRECOMP
     #include "wx/app.h"
     #include "wx/frame.h"


@@ -45,16 +44,28 @@
     #include "wx/menu.h"
     #include "wx/msgdlg.h"
     #include "wx/textdlg.h"
     #include "wx/menu.h"
     #include "wx/msgdlg.h"
     #include "wx/textdlg.h"

+    #include "wx/sizer.h"
+    #include "wx/stattext.h"
+    #include "wx/bmpbuttn.h"
+    #include "wx/dcmemory.h"

 #endif
 
 #include "wx/datetime.h"
 
 #endif
 
 #include "wx/datetime.h"
 

+// define this for the platforms which don't support wxBitmapButton (such as
+// Motif), else a wxBitmapButton will be used
+#ifdef __WXMOTIF__
+    #define USE_STATIC_BITMAP
+#endif
+

 // ----------------------------------------------------------------------------
 // resources
 // ----------------------------------------------------------------------------
 
 // ----------------------------------------------------------------------------
 // resources
 // ----------------------------------------------------------------------------
 

-#include "green.xpm"
-#include "red.xpm"
+#ifdef USE_STATIC_BITMAP
+    #include "green.xpm"
+    #include "red.xpm"
+#endif // USE_STATIC_BITMAP

 
 // ----------------------------------------------------------------------------
 // private classes
 
 // ----------------------------------------------------------------------------
 // private classes


@@ -86,8 +97,14 @@ public:
     void OnTimer(wxTimerEvent& event) { UpdateClock(); }
     void OnSize(wxSizeEvent& event);
     void OnToggleClock(wxCommandEvent& event);
     void OnTimer(wxTimerEvent& event) { UpdateClock(); }
     void OnSize(wxSizeEvent& event);
     void OnToggleClock(wxCommandEvent& event);

+    void OnButton(wxCommandEvent& event);

 
 private:
 
 private:

+    // toggle the state of the status bar controls
+    void DoToggle();
+
+    wxBitmap CreateBitmapForButton(bool on = FALSE);
+

     enum
     {
         Field_Text,
     enum
     {
         Field_Text,


@@ -100,7 +117,11 @@ private:
     wxTimer m_timer;
 
     wxCheckBox *m_checkbox;
     wxTimer m_timer;
 
     wxCheckBox *m_checkbox;

+#ifdef USE_STATIC_BITMAP

     wxStaticBitmap *m_statbmp;
     wxStaticBitmap *m_statbmp;

+#else
+    wxBitmapButton *m_statbmp;
+#endif

 
     DECLARE_EVENT_TABLE()
 };
 
     DECLARE_EVENT_TABLE()
 };


@@ -137,6 +158,13 @@ private:
     DECLARE_EVENT_TABLE()
 };
 
     DECLARE_EVENT_TABLE()
 };
 

+// Our about dialog ith its status bar
+class MyAboutDialog : public wxDialog
+{
+public:
+    MyAboutDialog(wxWindow *parent);
+};
+

 // ----------------------------------------------------------------------------
 // constants
 // ----------------------------------------------------------------------------
 // ----------------------------------------------------------------------------
 // constants
 // ----------------------------------------------------------------------------


@@ -172,6 +200,7 @@ END_EVENT_TABLE()
 BEGIN_EVENT_TABLE(MyStatusBar, wxStatusBar)
     EVT_SIZE(MyStatusBar::OnSize)
     EVT_CHECKBOX(StatusBar_Checkbox, MyStatusBar::OnToggleClock)
 BEGIN_EVENT_TABLE(MyStatusBar, wxStatusBar)
     EVT_SIZE(MyStatusBar::OnSize)
     EVT_CHECKBOX(StatusBar_Checkbox, MyStatusBar::OnToggleClock)

+    EVT_BUTTON(-1, MyStatusBar::OnButton)

     EVT_TIMER(-1, MyStatusBar::OnTimer)
 END_EVENT_TABLE()
 
     EVT_TIMER(-1, MyStatusBar::OnTimer)
 END_EVENT_TABLE()
 


@@ -287,8 +316,8 @@ void MyFrame::DoCreateStatusBar(MyFrame::StatBarKind kind)
             wxFAIL_MSG("unknown stat bar kind");
     }
 
             wxFAIL_MSG("unknown stat bar kind");
     }
 

-    PositionStatusBar();

     GetStatusBar()->Show();
     GetStatusBar()->Show();

+    PositionStatusBar();

 
     m_statbarKind = kind;
 }
 
     m_statbarKind = kind;
 }


@@ -346,8 +375,52 @@ void MyFrame::OnQuit(wxCommandEvent& WXUNUSED(event))
 
 void MyFrame::OnAbout(wxCommandEvent& WXUNUSED(event))
 {
 
 void MyFrame::OnAbout(wxCommandEvent& WXUNUSED(event))
 {

-    wxMessageBox("wxStatusBar sample\n(c) 2000 Vadim Zeitlin",
-                 "About statbar", wxOK | wxICON_INFORMATION, this);
+    MyAboutDialog dlg(this);
+    dlg.ShowModal();
+}
+
+// ----------------------------------------------------------------------------
+// MyAboutDialog
+// ----------------------------------------------------------------------------
+
+MyAboutDialog::MyAboutDialog(wxWindow *parent)
+             : wxDialog(parent, -1, wxString("About statbar"),
+                        wxDefaultPosition, wxDefaultSize,
+                        wxDEFAULT_DIALOG_STYLE | wxRESIZE_BORDER)
+{
+    wxStaticText *text = new wxStaticText(this, -1,
+                                          "wxStatusBar sample\n"
+                                          "(c) 2000 Vadim Zeitlin");
+
+    wxButton *btn = new wxButton(this, wxID_OK, "&Close");
+
+    // create the top status bar without the size grip (default style),
+    // otherwise it looks weird
+    wxStatusBar *statbarTop = new wxStatusBar(this, -1, 0);
+    statbarTop->SetFieldsCount(3);
+    statbarTop->SetStatusText("This is a top status bar", 0);
+    statbarTop->SetStatusText("in a dialog", 1);
+    statbarTop->SetStatusText("Great, isn't it?", 2);
+
+    wxStatusBar *statbarBottom = new wxStatusBar(this, -1);
+    statbarBottom->SetFieldsCount(2);
+    statbarBottom->SetStatusText("This is a bottom status bar", 0);
+    statbarBottom->SetStatusText("in a dialog", 1);
+
+    wxBoxSizer *sizerTop = new wxBoxSizer(wxVERTICAL);
+    sizerTop->Add(statbarTop, 0, wxGROW);
+    sizerTop->Add(-1, 10, 1, wxGROW);
+    sizerTop->Add(text, 0, wxCENTRE | wxRIGHT | wxLEFT, 20);
+    sizerTop->Add(-1, 10, 1, wxGROW);
+    sizerTop->Add(btn, 0, wxCENTRE | wxRIGHT | wxLEFT, 20);
+    sizerTop->Add(-1, 10, 1, wxGROW);
+    sizerTop->Add(statbarBottom, 0, wxGROW);
+
+    SetAutoLayout(TRUE);
+    SetSizer(sizerTop);
+
+    sizerTop->Fit(this);
+    sizerTop->SetSizeHints(this);

 }
 
 // ----------------------------------------------------------------------------
 }
 
 // ----------------------------------------------------------------------------


@@ -360,7 +433,7 @@ void MyFrame::OnAbout(wxCommandEvent& WXUNUSED(event))
 #endif
 
 MyStatusBar::MyStatusBar(wxWindow *parent)
 #endif
 
 MyStatusBar::MyStatusBar(wxWindow *parent)

-           : wxStatusBar(parent, -1), m_timer(this)
+           : wxStatusBar(parent, -1), m_timer(this), m_checkbox(NULL)

 {
     static const int widths[Field_Max] = { -1, 150, BITMAP_SIZE_X, 100 };
 
 {
     static const int widths[Field_Max] = { -1, 150, BITMAP_SIZE_X, 100 };
 


@@ -370,7 +443,11 @@ MyStatusBar::MyStatusBar(wxWindow *parent)
     m_checkbox = new wxCheckBox(this, StatusBar_Checkbox, _T("&Toggle clock"));
     m_checkbox->SetValue(TRUE);
 
     m_checkbox = new wxCheckBox(this, StatusBar_Checkbox, _T("&Toggle clock"));
     m_checkbox->SetValue(TRUE);
 

+#ifdef USE_STATIC_BITMAP

     m_statbmp = new wxStaticBitmap(this, -1, wxIcon(green_xpm));
     m_statbmp = new wxStaticBitmap(this, -1, wxIcon(green_xpm));

+#else
+    m_statbmp = new wxBitmapButton(this, -1, CreateBitmapForButton());
+#endif

 
     m_timer.Start(1000);
 
 
     m_timer.Start(1000);
 


@@ -391,27 +468,70 @@ MyStatusBar::~MyStatusBar()
     }
 }
 
     }
 }
 

+wxBitmap MyStatusBar::CreateBitmapForButton(bool on)
+{
+    static const int BMP_BUTTON_SIZE_X = 10;
+    static const int BMP_BUTTON_SIZE_Y = 9;
+
+    wxBitmap bitmap(BMP_BUTTON_SIZE_X, BMP_BUTTON_SIZE_Y);
+    wxMemoryDC dc;
+    dc.SelectObject(bitmap);
+    dc.SetBrush(on ? *wxGREEN_BRUSH : *wxRED_BRUSH);
+    dc.SetBackground(*wxLIGHT_GREY_BRUSH);
+    dc.Clear();
+    dc.DrawEllipse(0, 0, BMP_BUTTON_SIZE_X, BMP_BUTTON_SIZE_Y);
+    dc.SelectObject(wxNullBitmap);
+
+    return bitmap;
+}
+

 void MyStatusBar::OnSize(wxSizeEvent& event)
 {
 void MyStatusBar::OnSize(wxSizeEvent& event)
 {

+    if ( !m_checkbox )
+        return;
+

     wxRect rect;
     GetFieldRect(Field_Checkbox, rect);
 
     m_checkbox->SetSize(rect.x + 2, rect.y + 2, rect.width - 4, rect.height - 4);
 
     GetFieldRect(Field_Bitmap, rect);
     wxRect rect;
     GetFieldRect(Field_Checkbox, rect);
 
     m_checkbox->SetSize(rect.x + 2, rect.y + 2, rect.width - 4, rect.height - 4);
 
     GetFieldRect(Field_Bitmap, rect);

-    m_statbmp->Move(rect.x + (rect.width - BITMAP_SIZE_X) / 2,
-                    rect.y + (rect.height - BITMAP_SIZE_Y) / 2);
+#ifdef USE_BUTTON_FOR_BITMAP
+    wxSize size(BITMAP_SIZE_X, BITMAP_SIZE_Y);
+#else
+    wxSize size = m_statbmp->GetSize();
+#endif
+
+    m_statbmp->Move(rect.x + (rect.width - size.x) / 2,
+                    rect.y + (rect.height - size.y) / 2);

 
     event.Skip();
 }
 
 
     event.Skip();
 }
 

-void MyStatusBar::OnToggleClock(wxCommandEvent& event)
+void MyStatusBar::OnButton(wxCommandEvent& WXUNUSED(event))
+{
+    m_checkbox->SetValue(!m_checkbox->GetValue());
+
+    DoToggle();
+}
+
+void MyStatusBar::OnToggleClock(wxCommandEvent& WXUNUSED(event))
+{
+    DoToggle();
+}
+
+void MyStatusBar::DoToggle()

 {
     if ( m_checkbox->GetValue() )
     {
         m_timer.Start(1000);
 
 {
     if ( m_checkbox->GetValue() )
     {
         m_timer.Start(1000);
 

+#ifdef USE_STATIC_BITMAP

         m_statbmp->SetIcon(wxIcon(green_xpm));
         m_statbmp->SetIcon(wxIcon(green_xpm));

+#else
+        m_statbmp->SetBitmapLabel(CreateBitmapForButton(FALSE));
+        m_statbmp->Refresh();
+#endif

 
         UpdateClock();
     }
 
         UpdateClock();
     }


@@ -419,7 +539,12 @@ void MyStatusBar::OnToggleClock(wxCommandEvent& event)
     {
         m_timer.Stop();
 
     {
         m_timer.Stop();
 

+#ifdef USE_STATIC_BITMAP

         m_statbmp->SetIcon(wxIcon(red_xpm));
         m_statbmp->SetIcon(wxIcon(red_xpm));

+#else
+        m_statbmp->SetBitmapLabel(CreateBitmapForButton(TRUE));
+        m_statbmp->Refresh();
+#endif

 
         SetStatusText("", Field_Clock);
     }
 
         SetStatusText("", Field_Clock);
     }