]> git.saurik.com Git - wxWidgets.git/blobdiff - samples/scroll/scroll.cpp
Fix harmless gcc warning about uninitialized mask in PNG saving code.
[wxWidgets.git] / samples / scroll / scroll.cpp
index efbfb37479600cb51f590956b09dbd4b90a055d4..281ee38b92d4160a116b94d07bee7391132b719e 100644 (file)
@@ -1,11 +1,11 @@
 /////////////////////////////////////////////////////////////////////////////
 // Name:        scroll.cpp
-// Purpose:     wxScrolledWindow sample
+// Purpose:     wxScrolled sample
 // Author:      Robert Roebling
 // RCS-ID:      $Id$
 // Copyright:   (C) 1998 Robert Roebling, 2002 Ron Lee, 2003 Matt Gregory
 //              (C) 2008 Vadim Zeitlin
-// Licence:     wxWindows license
+// Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 
 #include "wx/wxprec.h"
 #include "wx/log.h"
 #include "wx/tglbtn.h"
 
+#ifndef __WXMSW__
+    #include "../sample.xpm"
+#endif
+
 // ----------------------------------------------------------------------------
 // a trivial example
 // ----------------------------------------------------------------------------
 
 // MySimpleCanvas: a scrolled window which draws a simple rectangle
-class MySimpleCanvas : public wxScrolledWindow
+class MySimpleCanvas : public wxScrolled<wxWindow>
 {
 public:
     enum
@@ -40,7 +44,7 @@ public:
     };
 
     MySimpleCanvas(wxWindow *parent)
-        : wxScrolledWindow(parent, wxID_ANY)
+        : wxScrolled<wxWindow>(parent, wxID_ANY)
     {
         SetScrollRate( 10, 10 );
         SetVirtualSize( WIDTH, HEIGHT );
@@ -86,7 +90,7 @@ public:
 // ----------------------------------------------------------------------
 
 // MyCanvas
-class MyCanvas : public wxScrolledWindow
+class MyCanvas : public wxScrolled<wxPanel>
 {
 public:
     MyCanvas(wxWindow *parent);
@@ -145,13 +149,13 @@ private:
 };
 
 // ----------------------------------------------------------------------------
-// example using sizers with wxScrolledWindow
+// example using sizers with wxScrolled
 // ----------------------------------------------------------------------------
 
 const wxSize SMALL_BUTTON( 100, 50 );
 const wxSize LARGE_BUTTON( 300, 200 );
 
-class MySizerScrolledWindow : public wxScrolledWindow
+class MySizerScrolledWindow : public wxScrolled<wxWindow>
 {
 public:
     MySizerScrolledWindow(wxWindow *parent);
@@ -189,7 +193,7 @@ public:
 class MySubColLabels : public wxWindow
 {
 public:
-    MySubColLabels(wxScrolledWindow *parent)
+    MySubColLabels(wxScrolled<wxWindow> *parent)
         : wxWindow(parent, wxID_ANY)
     {
         m_owner = parent;
@@ -218,13 +222,13 @@ private:
         dc.DrawText("Column 3", 205, 5);
     }
 
-    wxScrolledWindow *m_owner;
+    wxScrolled<wxWindow> *m_owner;
 };
 
 class MySubRowLabels : public wxWindow
 {
 public:
-    MySubRowLabels(wxScrolledWindow *parent)
+    MySubRowLabels(wxScrolled<wxWindow> *parent)
         : wxWindow(parent, wxID_ANY)
     {
         m_owner = parent;
@@ -256,13 +260,13 @@ private:
         dc.DrawText("Row 6", 5, 130);
     }
 
-    wxScrolledWindow *m_owner;
+    wxScrolled<wxWindow> *m_owner;
 };
 
 class MySubCanvas : public wxPanel
 {
 public:
-    MySubCanvas(wxScrolledWindow *parent, wxWindow *cols, wxWindow *rows)
+    MySubCanvas(wxScrolled<wxWindow> *parent, wxWindow *cols, wxWindow *rows)
         : wxPanel(parent, wxID_ANY)
     {
         m_owner = parent;
@@ -354,12 +358,12 @@ private:
         }
     }
 
-    wxScrolledWindow *m_owner;
+    wxScrolled<wxWindow> *m_owner;
     wxWindow *m_colLabels,
              *m_rowLabels;
 };
 
-class MySubScrolledWindow : public wxScrolledWindow
+class MySubScrolledWindow : public wxScrolled<wxWindow>
 {
 public:
     enum
@@ -369,7 +373,7 @@ public:
     };
 
     MySubScrolledWindow(wxWindow *parent)
-        : wxScrolledWindow(parent, wxID_ANY)
+        : wxScrolled<wxWindow>(parent, wxID_ANY)
     {
         // create the children
         MySubColLabels *cols = new MySubColLabels(this);
@@ -440,19 +444,19 @@ public:
 };
 
 // ----------------------------------------------------------------------------
-// more simple examples of wxScrolledWindow usage
+// more simple examples of wxScrolled usage
 // ----------------------------------------------------------------------------
 
 // base class for both of them
-class MyScrolledWindowBase : public wxScrolledWindow
+class MyScrolledWindowBase : public wxScrolled<wxWindow>
 {
 public:
     MyScrolledWindowBase(wxWindow *parent)
-        : wxScrolledWindow(parent, wxID_ANY,
-                           wxDefaultPosition, wxDefaultSize,
-                           wxBORDER_SUNKEN)
+        : wxScrolled<wxWindow>(parent, wxID_ANY,
+                               wxDefaultPosition, wxDefaultSize,
+                               wxBORDER_SUNKEN)
     {
-        m_nLines = 100;
+        m_nLines = 50;
         m_winSync = NULL;
         m_inDoSync = false;
 
@@ -472,7 +476,7 @@ public:
 
     virtual void ScrollWindow(int dx, int dy, const wxRect *rect = NULL)
     {
-        wxScrolledWindow::ScrollWindow(dx, dy, rect);
+        wxScrolled<wxWindow>::ScrollWindow(dx, dy, rect);
 
         DoSyncIfNecessary();
     }
@@ -547,7 +551,7 @@ public:
 // functionality
 // ----------------------------------------------------------------------------
 
-class MyAutoScrollingWindow : public wxScrolledWindow
+class MyAutoScrollingWindow : public wxScrolled<wxWindow>
 {
 public:
     MyAutoScrollingWindow( wxWindow* parent );
@@ -621,7 +625,7 @@ private:
     void OnTestAuto(wxCommandEvent& WXUNUSED(event)) { new MyAutoFrame(this); }
 
     void OnToggleSync(wxCommandEvent& event);
-    void OnToggleScrollbar(wxCommandEvent& event);
+    void OnScrollbarVisibility(wxCommandEvent& event);
 
     MyScrolledWindowBase *m_win1,
                          *m_win2;
@@ -648,15 +652,15 @@ public:
 // MyCanvas
 // ----------------------------------------------------------------------------
 
-const wxWindowID ID_ADDBUTTON   = wxWindow::NewControlId();
-const wxWindowID ID_DELBUTTON   = wxWindow::NewControlId();
-const wxWindowID ID_MOVEBUTTON  = wxWindow::NewControlId();
-const wxWindowID ID_SCROLLWIN   = wxWindow::NewControlId();
-const wxWindowID ID_QUERYPOS    = wxWindow::NewControlId();
+const wxWindowIDRef ID_ADDBUTTON   = wxWindow::NewControlId();
+const wxWindowIDRef ID_DELBUTTON   = wxWindow::NewControlId();
+const wxWindowIDRef ID_MOVEBUTTON  = wxWindow::NewControlId();
+const wxWindowIDRef ID_SCROLLWIN   = wxWindow::NewControlId();
+const wxWindowIDRef ID_QUERYPOS    = wxWindow::NewControlId();
 
-const wxWindowID ID_NEWBUTTON   = wxWindow::NewControlId();
+const wxWindowIDRef ID_NEWBUTTON   = wxWindow::NewControlId();
 
-BEGIN_EVENT_TABLE(MyCanvas, wxScrolledWindow)
+BEGIN_EVENT_TABLE(MyCanvas, wxScrolled<wxPanel>)
     EVT_PAINT(                  MyCanvas::OnPaint)
     EVT_RIGHT_DOWN(             MyCanvas::OnMouseRightDown)
     EVT_MOUSEWHEEL(             MyCanvas::OnMouseWheel)
@@ -668,9 +672,9 @@ BEGIN_EVENT_TABLE(MyCanvas, wxScrolledWindow)
 END_EVENT_TABLE()
 
 MyCanvas::MyCanvas(wxWindow *parent)
-    : wxScrolledWindow(parent, wxID_ANY,
-                       wxDefaultPosition, wxDefaultSize,
-                       wxSUNKEN_BORDER | wxTAB_TRAVERSAL)
+    : wxScrolled<wxPanel>(parent, wxID_ANY,
+                          wxDefaultPosition, wxDefaultSize,
+                          wxSUNKEN_BORDER | wxTAB_TRAVERSAL)
 {
     // you can use either a single SetScrollbars() call or these 2 functions,
     // usually using them is better because you normally won't need to change
@@ -777,7 +781,7 @@ void MyCanvas::OnScrollWin( wxCommandEvent &WXUNUSED(event) )
 // ----------------------------------------------------------------------------
 
 MySizerScrolledWindow::MySizerScrolledWindow(wxWindow *parent)
-    : wxScrolledWindow(parent)
+    : wxScrolled<wxWindow>(parent)
 {
     SetBackgroundColour( "GREEN" );
 
@@ -835,7 +839,7 @@ const wxWindowID Scroll_Test_Sub    = wxWindow::NewControlId();
 const wxWindowID Scroll_Test_Auto   = wxWindow::NewControlId();
 
 const wxWindowID Scroll_TglBtn_Sync = wxWindow::NewControlId();
-const wxWindowID Scroll_TglBtn_Scrollbar = wxWindow::NewControlId();
+const wxWindowID Scroll_Radio_ShowScrollbar = wxWindow::NewControlId();
 
 BEGIN_EVENT_TABLE(MyFrame,wxFrame)
     EVT_MENU(wxID_ABOUT, MyFrame::OnAbout)
@@ -848,12 +852,14 @@ BEGIN_EVENT_TABLE(MyFrame,wxFrame)
     EVT_MENU(Scroll_Test_Auto, MyFrame::OnTestAuto)
 
     EVT_TOGGLEBUTTON(Scroll_TglBtn_Sync, MyFrame::OnToggleSync)
-    EVT_TOGGLEBUTTON(Scroll_TglBtn_Scrollbar, MyFrame::OnToggleScrollbar)
+    EVT_RADIOBOX(Scroll_Radio_ShowScrollbar, MyFrame::OnScrollbarVisibility)
 END_EVENT_TABLE()
 
 MyFrame::MyFrame()
        : wxFrame(NULL, wxID_ANY, "wxWidgets scroll sample")
 {
+    SetIcon(wxICON(sample));
+
     wxMenu *menuFile = new wxMenu;
     menuFile->Append(wxID_ABOUT, "&About..");
     menuFile->AppendSeparator();
@@ -879,10 +885,12 @@ MyFrame::MyFrame()
     SetMenuBar( mbar );
 
 
+    wxPanel *panel = new wxPanel(this);
+
     const wxSizerFlags flagsExpand(wxSizerFlags(1).Expand());
 
     wxSizer *topsizer = new wxBoxSizer(wxVERTICAL);
-    topsizer->Add(new wxStaticText(this, wxID_ANY,
+    topsizer->Add(new wxStaticText(panel, wxID_ANY,
         "The windows below should behave in the same way, even though\n"
         "they're implemented quite differently, see the code for details.\n"
         "\n"
@@ -891,28 +899,39 @@ MyFrame::MyFrame()
         "don't be surprised by this."),
         wxSizerFlags().Centre().Border());
 
-    m_win1 = new MyScrolledWindowDumb(this);
-    m_win2 = new MyScrolledWindowSmart(this);
+    m_win1 = new MyScrolledWindowDumb(panel);
+    m_win2 = new MyScrolledWindowSmart(panel);
 
     wxSizer *sizerScrollWin = new wxBoxSizer(wxHORIZONTAL);
     sizerScrollWin->Add(m_win1, flagsExpand);
     sizerScrollWin->Add(m_win2, flagsExpand);
     topsizer->Add(sizerScrollWin, flagsExpand);
 
-    const wxSizerFlags flagsHBorder(wxSizerFlags().Border(wxLEFT | wxRIGHT));
+    const wxSizerFlags
+        flagsHBorder(wxSizerFlags().Centre().Border(wxLEFT | wxRIGHT));
 
     wxSizer *sizerBtns = new wxBoxSizer(wxHORIZONTAL);
-    sizerBtns->Add(new wxToggleButton(this, Scroll_TglBtn_Sync, "S&ynchronize"),
+
+    // the radio buttons are in the same order as wxSHOW_SB_XXX values but
+    // offset by 1
+    const wxString visibilities[] = { "&never", "&default", "&always" };
+    wxRadioBox *radio = new wxRadioBox(panel, Scroll_Radio_ShowScrollbar,
+                                       "Left &scrollbar visibility: ",
+                                       wxDefaultPosition, wxDefaultSize,
+                                       WXSIZEOF(visibilities), visibilities);
+    radio->SetSelection(wxSHOW_SB_DEFAULT + 1);
+    sizerBtns->Add(radio, flagsHBorder);
+
+    sizerBtns->Add(new wxToggleButton(panel, Scroll_TglBtn_Sync, "S&ynchronize"),
                    flagsHBorder);
 
-    wxToggleButton *btn =new wxToggleButton(this, Scroll_TglBtn_Scrollbar,
-                                            "&Show scrollbar");
-    btn->SetValue(true);
-    sizerBtns->Add(btn, flagsHBorder);
     topsizer->Add(sizerBtns, wxSizerFlags().Centre().Border());
 
-    SetSizer(topsizer);
+    panel->SetSizer(topsizer);
 
+    wxSize size = panel->GetBestSize();
+    SetSizeHints(size);
+    SetClientSize(2*size);
 
     Show();
 }
@@ -931,11 +950,10 @@ void MyFrame::OnToggleSync(wxCommandEvent& event)
     }
 }
 
-void MyFrame::OnToggleScrollbar(wxCommandEvent& event)
+void MyFrame::OnScrollbarVisibility(wxCommandEvent& event)
 {
     m_win1->ShowScrollbars(wxSHOW_SB_NEVER,
-                           event.IsChecked() ? wxSHOW_SB_ALWAYS
-                                             : wxSHOW_SB_NEVER);
+                           wxScrollbarVisibility(event.GetSelection() - 1));
 }
 
 void MyFrame::OnQuit(wxCommandEvent &WXUNUSED(event))
@@ -945,7 +963,7 @@ void MyFrame::OnQuit(wxCommandEvent &WXUNUSED(event))
 
 void MyFrame::OnAbout( wxCommandEvent &WXUNUSED(event) )
 {
-    (void)wxMessageBox( "wxScrolledWindow sample\n"
+    (void)wxMessageBox( "Scrolled window sample\n"
                         "\n"
                         "Robert Roebling (c) 1998\n"
                         "Vadim Zeitlin (c) 2008\n"
@@ -1028,7 +1046,7 @@ void MyScrolledWindowSmart::OnDraw(wxDC& dc)
 // MyAutoScrollingWindow
 // ----------------------------------------------------------------------------
 
-BEGIN_EVENT_TABLE(MyAutoScrollingWindow, wxScrolledWindow)
+BEGIN_EVENT_TABLE(MyAutoScrollingWindow, wxScrolled<wxWindow>)
     EVT_LEFT_DOWN(MyAutoScrollingWindow::OnMouseLeftDown)
     EVT_LEFT_UP(MyAutoScrollingWindow::OnMouseLeftUp)
     EVT_MOTION(MyAutoScrollingWindow::OnMouseMove)
@@ -1037,8 +1055,8 @@ BEGIN_EVENT_TABLE(MyAutoScrollingWindow, wxScrolledWindow)
 END_EVENT_TABLE()
 
 MyAutoScrollingWindow::MyAutoScrollingWindow(wxWindow* parent)
-    : wxScrolledWindow(parent, wxID_ANY, wxDefaultPosition, wxDefaultSize,
-                       wxVSCROLL | wxHSCROLL | wxSUNKEN_BORDER),
+    : wxScrolled<wxWindow>(parent, wxID_ANY, wxDefaultPosition, wxDefaultSize,
+                           wxVSCROLL | wxHSCROLL | wxSUNKEN_BORDER),
       m_selStart(-1, -1),
       m_cursor(-1, -1),
       m_font(9, wxFONTFAMILY_TELETYPE, wxFONTSTYLE_NORMAL, wxFONTWEIGHT_NORMAL)
@@ -1222,7 +1240,7 @@ void MyAutoScrollingWindow::OnDraw(wxDC& dc)
     dc.SetPen(*wxTRANSPARENT_PEN);
     const wxString str = sm_testData;
     size_t strLength = str.length();
-    wxString::const_iterator str_i;
+    wxString::const_iterator str_i = str.begin();
 
     // draw the characters
     // 1. for each update region
@@ -1296,7 +1314,7 @@ void MyAutoScrollingWindow::OnMouseMove(wxMouseEvent& event)
         // set the new cursor position
         m_cursor = DeviceCoordsToGraphicalChars(event.GetPosition());
         // draw/erase selection
-        MyRefresh();
+        // MyRefresh();
         // capture mouse to activate auto-scrolling
         if (!HasCapture()) {
             CaptureMouse();