fixes potential crash under gatekeeper

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

diff --git a/samples/render/render.cpp b/samples/render/render.cpp
index 4586ef580ece37f6ceaafe60b124117b000969b7..49e35fc1fb675174825f5d6f5d17789d96011412 100644 (file)
--- a/samples/render/render.cpp
+++ b/samples/render/render.cpp
@@ -35,9 +35,11 @@
     #include "wx/log.h"
     #include "wx/msgdlg.h"
     #include "wx/icon.h"
     #include "wx/log.h"
     #include "wx/msgdlg.h"
     #include "wx/icon.h"

+    #include "wx/image.h"

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

+#include "wx/artprov.h"

 #include "wx/renderer.h"
 
 // ----------------------------------------------------------------------------
 #include "wx/renderer.h"
 
 // ----------------------------------------------------------------------------


@@ -45,7 +47,7 @@
 // ----------------------------------------------------------------------------
 
 // the application icon (under Windows and OS/2 it is in resources)
 // ----------------------------------------------------------------------------
 
 // the application icon (under Windows and OS/2 it is in resources)

-#if defined(__WXGTK__) || defined(__WXMOTIF__) || defined(__WXMAC__) || defined(__WXMGL__) || defined(__WXX11__)
+#ifndef wxHAS_IMAGES_IN_RESOURCES

     #include "../sample.xpm"
 #endif
 
     #include "../sample.xpm"
 #endif
 


@@ -63,13 +65,18 @@ public:
                                   wxDC& dc,
                                   const wxRect& rect,
                                   int WXUNUSED(flags) = 0,
                                   wxDC& dc,
                                   const wxRect& rect,
                                   int WXUNUSED(flags) = 0,

-                                  wxHeaderSortIconType WXUNUSED(sortArrow) = wxHDR_SORT_ICON_NONE,
-                                  wxHeaderButtonParams* WXUNUSED(params) = NULL)
+                                  wxHeaderSortIconType WXUNUSED(sortArrow)
+                                    = wxHDR_SORT_ICON_NONE,
+                                  wxHeaderButtonParams* params = NULL)

     {
     {

-        dc.SetBrush(*wxBLUE_BRUSH);
-        dc.SetTextForeground(*wxWHITE);
+        wxDCBrushChanger setBrush(dc, *wxBLUE_BRUSH);
+        wxDCTextColourChanger setFgCol(dc, *wxWHITE);

         dc.DrawRoundedRectangle(rect, 5);
         dc.DrawRoundedRectangle(rect, 5);

-        dc.DrawLabel(_T("MyRenderer"), wxNullBitmap, rect, wxALIGN_CENTER);
+
+        wxString label;
+        if ( params )
+            label = params->m_labelText;
+        dc.DrawLabel(label, wxNullBitmap, rect, wxALIGN_CENTER);

         return rect.width;
     }
 };
         return rect.width;
     }
 };


@@ -105,7 +112,31 @@ public:
     MyFrame();
     virtual ~MyFrame();
 
     MyFrame();
     virtual ~MyFrame();
 

+private:

     // event handlers (these functions should _not_ be virtual)
     // event handlers (these functions should _not_ be virtual)

+    void OnDrawDisabled(wxCommandEvent& event)
+        { OnToggleDrawFlag(event, wxCONTROL_DISABLED); }
+    void OnDrawFocused(wxCommandEvent& event)
+        { OnToggleDrawFlag(event, wxCONTROL_FOCUSED); }
+    void OnDrawPressed(wxCommandEvent& event)
+        { OnToggleDrawFlag(event, wxCONTROL_PRESSED); }
+    void OnDrawChecked(wxCommandEvent& event)
+        { OnToggleDrawFlag(event, wxCONTROL_CHECKED); }
+    void OnDrawHot(wxCommandEvent& event)
+        { OnToggleDrawFlag(event, wxCONTROL_CURRENT); }
+    void OnDrawUndetermined(wxCommandEvent &event)
+        { OnToggleDrawFlag(event, wxCONTROL_UNDETERMINED); }
+
+    void OnAlignLeft(wxCommandEvent& WXUNUSED(event))
+        { OnChangeAlign(wxALIGN_LEFT); }
+    void OnAlignCentre(wxCommandEvent& WXUNUSED(event))
+        { OnChangeAlign(wxALIGN_CENTRE); }
+    void OnAlignRight(wxCommandEvent& WXUNUSED(event))
+        { OnChangeAlign(wxALIGN_RIGHT); }
+
+    void OnUseIcon(wxCommandEvent& event);
+    void OnUseBitmap(wxCommandEvent& event);
+

 #if wxUSE_DYNLIB_CLASS
     void OnLoad(wxCommandEvent& event);
     void OnUnload(wxCommandEvent& event);
 #if wxUSE_DYNLIB_CLASS
     void OnLoad(wxCommandEvent& event);
     void OnUnload(wxCommandEvent& event);


@@ -113,8 +144,10 @@ public:
     void OnQuit(wxCommandEvent& event);
     void OnAbout(wxCommandEvent& event);
 
     void OnQuit(wxCommandEvent& event);
     void OnAbout(wxCommandEvent& event);
 

-private:
-    wxPanel *m_panel;
+    void OnToggleDrawFlag(wxCommandEvent& event, int flag);
+    void OnChangeAlign(int align);
+
+    class MyPanel *m_panel;

 
     // any class wishing to process wxWidgets events must use this macro
     DECLARE_EVENT_TABLE()
 
     // any class wishing to process wxWidgets events must use this macro
     DECLARE_EVENT_TABLE()


@@ -124,19 +157,124 @@ private:
 class MyPanel : public wxPanel
 {
 public:
 class MyPanel : public wxPanel
 {
 public:

-    MyPanel(wxWindow *parent) : wxPanel(parent) { }
+    MyPanel(wxWindow *parent) : wxPanel(parent)
+    {
+        m_flags = 0;
+        m_align = wxALIGN_LEFT;
+        m_useIcon =
+        m_useBitmap = false;
+    }
+
+    int GetFlags() const { return m_flags; }
+    void SetFlags(int flags) { m_flags = flags; }
+
+    void SetAlignment(int align) { m_align = align; }
+    void SetUseIcon(bool useIcon) { m_useIcon = useIcon; }
+    void SetUseBitmap(bool useBitmap) { m_useBitmap = useBitmap; }

 
 

+private:

     void OnPaint(wxPaintEvent&)
     {
         wxPaintDC dc(this);
 
     void OnPaint(wxPaintEvent&)
     {
         wxPaintDC dc(this);
 

-        dc.DrawText(_T("Below is the standard header button drawn"), 10, 10);
-        dc.DrawText(_T("using the current renderer:"), 10, 40);
-
-        wxRendererNative::Get().DrawHeaderButton(this, dc,
-                                                 wxRect(20, 70, 100, 60));
+        wxRendererNative& renderer = wxRendererNative::Get();
+
+        int x1 = 10,    // text offset
+            x2 = 300,   // drawing offset
+            y = 10;
+
+        const int lineHeight = dc.GetCharHeight();
+        dc.DrawText("Demonstration of various wxRenderer functions:", x1, y);
+        y += lineHeight;
+        wxString flagsString;
+        if ( m_flags & wxCONTROL_DISABLED )
+            flagsString += "wxCONTROL_DISABLED ";
+        if ( m_flags & wxCONTROL_FOCUSED )
+            flagsString += "wxCONTROL_FOCUSED ";
+        if ( m_flags & wxCONTROL_PRESSED )
+            flagsString += "wxCONTROL_PRESSED ";
+        if ( m_flags & wxCONTROL_CURRENT )
+            flagsString += "wxCONTROL_CURRENT ";
+        if ( m_flags & wxCONTROL_CHECKED )
+            flagsString += "wxCONTROL_CHECKED ";
+        if ( m_flags & wxCONTROL_UNDETERMINED )
+            flagsString += "wxCONTROL_UNDETERMINED ";
+        if ( flagsString.empty() )
+            flagsString = "(none)";
+        dc.DrawText("Using flags: " + flagsString, x1, y);
+        y += lineHeight*3;
+
+        const wxCoord heightHdr = renderer.GetHeaderButtonHeight(this);
+        const wxCoord widthHdr = 120;
+
+        const wxHeaderSortIconType
+            hdrSortIcon = m_useIcon ? wxHDR_SORT_ICON_UP
+                                    : wxHDR_SORT_ICON_NONE;
+
+        wxHeaderButtonParams hdrParams;
+        hdrParams.m_labelText = "Header";
+        hdrParams.m_labelAlignment = m_align;
+        if ( m_useBitmap )
+        {
+            hdrParams.m_labelBitmap = wxArtProvider::GetBitmap(wxART_WARNING,
+                                                               wxART_LIST);
+        }
+
+        dc.DrawText("DrawHeaderButton() (default)", x1, y);
+        wxRendererNative::GetDefault().DrawHeaderButton(this, dc,
+                                  wxRect(x2, y, widthHdr, heightHdr), m_flags,
+                                  hdrSortIcon, &hdrParams);
+        y += lineHeight + heightHdr;
+
+        dc.DrawText("DrawHeaderButton() (overridden)", x1, y);
+        renderer.DrawHeaderButton(this, dc,
+                                  wxRect(x2, y, widthHdr, heightHdr), m_flags,
+                                  hdrSortIcon, &hdrParams);
+        y += lineHeight + heightHdr;
+
+        dc.DrawText("DrawCheckBox()", x1, y);
+        const wxSize sizeCheck = renderer.GetCheckBoxSize(this);
+        renderer.DrawCheckBox(this, dc,
+                              wxRect(wxPoint(x2, y), sizeCheck), m_flags);
+        y += lineHeight + sizeCheck.y;
+
+        dc.DrawText("DrawRadioBitmap()", x1, y);
+        renderer.DrawRadioBitmap(this, dc,
+                                 wxRect(wxPoint(x2, y), sizeCheck), m_flags);
+        y += lineHeight + sizeCheck.y;
+
+        dc.DrawText("DrawTreeItemButton()", x1, y);
+        renderer.DrawTreeItemButton(this, dc,
+                                    wxRect(x2, y, 20, 20), m_flags);
+        y += lineHeight + 20;
+
+#ifdef wxHAS_DRAW_TITLE_BAR_BITMAP
+        dc.DrawText("DrawTitleBarBitmap()", x1, y);
+        wxRect rBtn(x2, y, 21, 21);
+        renderer.DrawTitleBarBitmap(this, dc, rBtn,
+                                    wxTITLEBAR_BUTTON_HELP, m_flags);
+        rBtn.x += 2*rBtn.width;
+        renderer.DrawTitleBarBitmap(this, dc, rBtn,
+                                    wxTITLEBAR_BUTTON_ICONIZE, m_flags);
+        rBtn.x += 2*rBtn.width;
+        renderer.DrawTitleBarBitmap(this, dc, rBtn,
+                                    wxTITLEBAR_BUTTON_RESTORE, m_flags);
+        rBtn.x += 2*rBtn.width;
+        renderer.DrawTitleBarBitmap(this, dc, rBtn,
+                                    wxTITLEBAR_BUTTON_MAXIMIZE, m_flags);
+        rBtn.x += 2*rBtn.width;
+        renderer.DrawTitleBarBitmap(this, dc, rBtn,
+                                    wxTITLEBAR_BUTTON_CLOSE, m_flags);
+
+        y += lineHeight + rBtn.height;
+#endif // wxHAS_DRAW_TITLE_BAR_BITMAP

     }
 
     }
 

+    int m_flags;
+    int m_align;
+    bool m_useIcon,
+         m_useBitmap;
+

     DECLARE_EVENT_TABLE()
 };
 
     DECLARE_EVENT_TABLE()
 };
 


@@ -152,8 +290,22 @@ END_EVENT_TABLE()
 enum
 {
     // our menu items
 enum
 {
     // our menu items

+    Render_DrawDisabled = 100,
+    Render_DrawFocused,
+    Render_DrawPressed,
+    Render_DrawChecked,
+    Render_DrawHot,
+    Render_DrawUndetermined,
+
+    Render_AlignLeft,
+    Render_AlignCentre,
+    Render_AlignRight,
+
+    Render_UseIcon,
+    Render_UseBitmap,
+

 #if wxUSE_DYNLIB_CLASS
 #if wxUSE_DYNLIB_CLASS

-    Render_Load = 100,
+    Render_Load,

     Render_Unload,
 #endif // wxUSE_DYNLIB_CLASS
 
     Render_Unload,
 #endif // wxUSE_DYNLIB_CLASS
 


@@ -174,6 +326,19 @@ enum
 // 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.
 BEGIN_EVENT_TABLE(MyFrame, wxFrame)
 // 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.
 BEGIN_EVENT_TABLE(MyFrame, wxFrame)

+    EVT_MENU(Render_DrawDisabled, MyFrame::OnDrawDisabled)
+    EVT_MENU(Render_DrawFocused, MyFrame::OnDrawFocused)
+    EVT_MENU(Render_DrawPressed, MyFrame::OnDrawPressed)
+    EVT_MENU(Render_DrawChecked, MyFrame::OnDrawChecked)
+    EVT_MENU(Render_DrawHot, MyFrame::OnDrawHot)
+    EVT_MENU(Render_DrawUndetermined, MyFrame::OnDrawUndetermined)
+    EVT_MENU(Render_AlignLeft, MyFrame::OnAlignLeft)
+    EVT_MENU(Render_AlignCentre, MyFrame::OnAlignCentre)
+    EVT_MENU(Render_AlignRight, MyFrame::OnAlignRight)
+
+    EVT_MENU(Render_UseIcon, MyFrame::OnUseIcon)
+    EVT_MENU(Render_UseBitmap, MyFrame::OnUseBitmap)
+

 #if wxUSE_DYNLIB_CLASS
     EVT_MENU(Render_Load,  MyFrame::OnLoad)
     EVT_MENU(Render_Unload,MyFrame::OnUnload)
 #if wxUSE_DYNLIB_CLASS
     EVT_MENU(Render_Load,  MyFrame::OnLoad)
     EVT_MENU(Render_Unload,MyFrame::OnUnload)


@@ -201,6 +366,16 @@ IMPLEMENT_APP(MyApp)
 // 'Main program' equivalent: the program execution "starts" here
 bool MyApp::OnInit()
 {
 // 'Main program' equivalent: the program execution "starts" here
 bool MyApp::OnInit()
 {

+    if ( !wxApp::OnInit() )
+        return false;
+
+#ifdef __WXOSX__
+    // currently the images used by DrawTitleBarBitmap() are hard coded as PNG
+    // images inside the library itself so we need to enable PNG support to use
+    // this function
+    wxImage::AddHandler(new wxPNGHandler);
+#endif // OS X
+

     // create the main application window
     new MyFrame;
 
     // create the main application window
     new MyFrame;
 


@@ -215,7 +390,7 @@ bool MyApp::OnInit()
 MyFrame::MyFrame()
        : wxFrame(NULL,
                  wxID_ANY,
 MyFrame::MyFrame()
        : wxFrame(NULL,
                  wxID_ANY,

-                 _T("Render wxWidgets Sample"),
+                 wxT("Render wxWidgets Sample"),

                  wxPoint(50, 50),
                  wxSize(450, 340))
 {
                  wxPoint(50, 50),
                  wxSize(450, 340))
 {


@@ -225,20 +400,44 @@ MyFrame::MyFrame()
 #if wxUSE_MENUS
     // create a menu bar
     wxMenu *menuFile = new wxMenu;
 #if wxUSE_MENUS
     // create a menu bar
     wxMenu *menuFile = new wxMenu;

+    menuFile->AppendCheckItem(Render_DrawDisabled,
+                              "Draw in &disabled state\tCtrl-D");
+    menuFile->AppendCheckItem(Render_DrawFocused,
+                              "Draw in &focused state\tCtrl-F");
+    menuFile->AppendCheckItem(Render_DrawPressed,
+                              "Draw in &pressed state\tCtrl-P");
+    menuFile->AppendCheckItem(Render_DrawChecked,
+                              "Draw in &checked state\tCtrl-C");
+    menuFile->AppendCheckItem(Render_DrawHot,
+                              "Draw in &hot state\tCtrl-H");
+    menuFile->AppendCheckItem(Render_DrawUndetermined,
+                              "Draw in unde&termined state\tCtrl-T");
+    menuFile->AppendSeparator();
+
+    menuFile->AppendRadioItem(Render_AlignLeft, "&Left align\tCtrl-1");
+    menuFile->AppendRadioItem(Render_AlignCentre, "C&entre align\tCtrl-2");
+    menuFile->AppendRadioItem(Render_AlignRight, "&Right align\tCtrl-3");
+    menuFile->AppendSeparator();
+
+    menuFile->AppendCheckItem(Render_UseIcon, "Draw &icon\tCtrl-I");
+    menuFile->AppendCheckItem(Render_UseBitmap, "Draw &bitmap\tCtrl-B");
+    menuFile->AppendSeparator();
+

 #if wxUSE_DYNLIB_CLASS
 #if wxUSE_DYNLIB_CLASS

-    menuFile->Append(Render_Load, _T("&Load renderer...\tCtrl-L"));
-    menuFile->Append(Render_Unload, _T("&Unload renderer\tCtrl-U"));
+    menuFile->Append(Render_Load, wxT("&Load renderer...\tCtrl-L"));
+    menuFile->Append(Render_Unload, wxT("&Unload renderer\tCtrl-U"));
+    menuFile->AppendSeparator();

 #endif // wxUSE_DYNLIB_CLASS
 #endif // wxUSE_DYNLIB_CLASS

-    menuFile->Append(Render_Quit, _T("E&xit\tCtrl-Q"), _T("Quit this program"));
+    menuFile->Append(Render_Quit);

 
     // the "About" item should be in the help menu
     wxMenu *helpMenu = new wxMenu;
 
     // the "About" item should be in the help menu
     wxMenu *helpMenu = new wxMenu;

-    helpMenu->Append(Render_About, _T("&About...\tF1"), _T("Show about dialog"));
+    helpMenu->Append(Render_About);

 
     // now append the freshly created menu to the menu bar...
     wxMenuBar *menuBar = new wxMenuBar();
 
     // now append the freshly created menu to the menu bar...
     wxMenuBar *menuBar = new wxMenuBar();

-    menuBar->Append(menuFile, _T("&File"));
-    menuBar->Append(helpMenu, _T("&Help"));
+    menuBar->Append(menuFile, wxT("&File"));
+    menuBar->Append(helpMenu, wxT("&Help"));

 
     // ... and attach this menu bar to the frame
     SetMenuBar(menuBar);
 
     // ... and attach this menu bar to the frame
     SetMenuBar(menuBar);


@@ -249,7 +448,7 @@ MyFrame::MyFrame()
 #if wxUSE_STATUSBAR
     // create a status bar just for fun (by default with 1 pane only)
     CreateStatusBar(2);
 #if wxUSE_STATUSBAR
     // create a status bar just for fun (by default with 1 pane only)
     CreateStatusBar(2);

-    SetStatusText(_T("Welcome to wxWidgets!"));
+    SetStatusText(wxT("Welcome to wxWidgets!"));

 #endif // wxUSE_STATUSBAR
 
     Show();
 #endif // wxUSE_STATUSBAR
 
     Show();


@@ -263,16 +462,46 @@ MyFrame::~MyFrame()
 
 // event handlers
 
 
 // event handlers
 

+void MyFrame::OnToggleDrawFlag(wxCommandEvent& event, int flag)
+{
+    int flags = m_panel->GetFlags();
+    if ( event.IsChecked() )
+        flags |= flag;
+    else
+        flags &= ~flag;
+
+    m_panel->SetFlags(flags);
+    m_panel->Refresh();
+}
+
+void MyFrame::OnChangeAlign(int align)
+{
+    m_panel->SetAlignment(align);
+    m_panel->Refresh();
+}
+
+void MyFrame::OnUseIcon(wxCommandEvent& event)
+{
+    m_panel->SetUseIcon(event.IsChecked());
+    m_panel->Refresh();
+}
+
+void MyFrame::OnUseBitmap(wxCommandEvent& event)
+{
+    m_panel->SetUseBitmap(event.IsChecked());
+    m_panel->Refresh();
+}
+

 #if wxUSE_DYNLIB_CLASS
 
 void MyFrame::OnLoad(wxCommandEvent& WXUNUSED(event))
 {
 #if wxUSE_DYNLIB_CLASS
 
 void MyFrame::OnLoad(wxCommandEvent& WXUNUSED(event))
 {

-    static wxString s_name = _T("renddll");
+    static wxString s_name = wxT("renddll");

 
     wxString name = wxGetTextFromUser
                     (
 
     wxString name = wxGetTextFromUser
                     (

-                        _T("Name of the renderer to load:"),
-                        _T("Render wxWidgets Sample"),
+                        wxT("Name of the renderer to load:"),
+                        wxT("Render wxWidgets Sample"),

                         s_name,
                         this
                     );
                         s_name,
                         this
                     );


@@ -287,7 +516,7 @@ void MyFrame::OnLoad(wxCommandEvent& WXUNUSED(event))
     wxRendererNative *renderer = wxRendererNative::Load(name);
     if ( !renderer )
     {
     wxRendererNative *renderer = wxRendererNative::Load(name);
     if ( !renderer )
     {

-        wxLogError(_T("Failed to load renderer \"%s\"."), name.c_str());
+        wxLogError(wxT("Failed to load renderer \"%s\"."), name.c_str());

     }
     else // loaded ok
     {
     }
     else // loaded ok
     {


@@ -295,7 +524,7 @@ void MyFrame::OnLoad(wxCommandEvent& WXUNUSED(event))
 
         m_panel->Refresh();
 
 
         m_panel->Refresh();
 

-        wxLogStatus(this, _T("Successfully loaded the renderer \"%s\"."),
+        wxLogStatus(this, wxT("Successfully loaded the renderer \"%s\"."),

                     name.c_str());
     }
 }
                     name.c_str());
     }
 }


@@ -309,11 +538,11 @@ void MyFrame::OnUnload(wxCommandEvent& WXUNUSED(event))
 
         m_panel->Refresh();
 
 
         m_panel->Refresh();
 

-        wxLogStatus(this, _T("Unloaded the previously loaded renderer."));
+        wxLogStatus(this, wxT("Unloaded the previously loaded renderer."));

     }
     else
     {
     }
     else
     {

-        wxLogWarning(_T("No renderer to unload."));
+        wxLogWarning(wxT("No renderer to unload."));

     }
 }
 
     }
 }
 


@@ -327,10 +556,10 @@ void MyFrame::OnQuit(wxCommandEvent& WXUNUSED(event))
 
 void MyFrame::OnAbout(wxCommandEvent& WXUNUSED(event))
 {
 
 void MyFrame::OnAbout(wxCommandEvent& WXUNUSED(event))
 {

-    wxMessageBox(_T("Render sample shows how to use custom renderers.\n")
-                 _T("\n")
-                 _T("(c) 2003 Vadim Zeitlin"),
-                 _T("About Render wxWidgets Sample"),
+    wxMessageBox(wxT("Render sample shows how to use custom renderers.\n")
+                 wxT("\n")
+                 wxT("(c) 2003 Vadim Zeitlin"),
+                 wxT("About Render wxWidgets Sample"),

                  wxOK | wxICON_INFORMATION, this);
 }
 
                  wxOK | wxICON_INFORMATION, this);
 }