added missing return to avoid 'control reaches end of non-void function'

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

diff --git a/samples/font/font.cpp b/samples/font/font.cpp
index 2577b489a5209f0a4851c65a353ae541cf1163ea..7ef9add570cbb6feb6e4271e0004eda726464aba 100644 (file)
--- a/samples/font/font.cpp
+++ b/samples/font/font.cpp
@@ -17,20 +17,20 @@
 #endif
 
 // for all others, include the necessary headers (this file is usually all you
 #endif
 
 // for all others, include the necessary headers (this file is usually all you

-// need because it includes almost all <standard< wxWindows headers
+// need because it includes almost all standard wxWindows headers

 #ifndef WX_PRECOMP
 #ifndef WX_PRECOMP

-    #include <wx/wx.h>
+    #include "wx/wx.h"

 
 

-    #include <wx/log.h>
+    #include "wx/log.h"

 #endif
 
 #endif
 

-#include <wx/choicdlg.h>
-#include <wx/fontdlg.h>
-#include <wx/fontenum.h>
-#include <wx/fontmap.h>
-#include <wx/encconv.h>
-#include <wx/splitter.h>
-#include <wx/textfile.h>
+#include "wx/choicdlg.h"
+#include "wx/fontdlg.h"
+#include "wx/fontenum.h"
+#include "wx/fontmap.h"
+#include "wx/encconv.h"
+#include "wx/splitter.h"
+#include "wx/textfile.h"

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


@@ -54,7 +54,7 @@ class MyCanvas: public wxWindow
 {
 public:
     MyCanvas( wxWindow *parent );
 {
 public:
     MyCanvas( wxWindow *parent );

-    ~MyCanvas();
+    virtual ~MyCanvas();

 
     // accessors for the frame
     const wxFont& GetTextFont() const { return m_font; }
 
     // accessors for the frame
     const wxFont& GetTextFont() const { return m_font; }


@@ -85,9 +85,16 @@ public:
     // event handlers (these functions should _not_ be virtual)
     void OnQuit(wxCommandEvent& event);
     void OnAbout(wxCommandEvent& event);
     // event handlers (these functions should _not_ be virtual)
     void OnQuit(wxCommandEvent& event);
     void OnAbout(wxCommandEvent& event);

+

     void OnIncFont(wxCommandEvent& event) { DoResizeFont(+2); }
     void OnDecFont(wxCommandEvent& event) { DoResizeFont(-2); }
 
     void OnIncFont(wxCommandEvent& event) { DoResizeFont(+2); }
     void OnDecFont(wxCommandEvent& event) { DoResizeFont(-2); }
 

+    void OnBold(wxCommandEvent& event);
+    void OnItalic(wxCommandEvent& event);
+    void OnUnderline(wxCommandEvent& event);
+
+    void OnwxPointerFont(wxCommandEvent& event);
+

     void OnViewMsg(wxCommandEvent& event);
     void OnSelectFont(wxCommandEvent& event);
     void OnEnumerateFamiliesForEncoding(wxCommandEvent& event);
     void OnViewMsg(wxCommandEvent& event);
     void OnSelectFont(wxCommandEvent& event);
     void OnEnumerateFamiliesForEncoding(wxCommandEvent& event);


@@ -130,6 +137,14 @@ enum
     Font_ViewMsg,
     Font_IncSize,
     Font_DecSize,
     Font_ViewMsg,
     Font_IncSize,
     Font_DecSize,

+    Font_Bold,
+    Font_Italic,
+    Font_Underlined,
+    Font_wxNORMAL_FONT,
+    Font_wxSMALL_FONT,
+    Font_wxITALIC_FONT,
+    Font_wxSWISS_FONT,
+

     Font_Choose = 100,
     Font_EnumFamiliesForEncoding,
     Font_EnumFamilies,
     Font_Choose = 100,
     Font_EnumFamiliesForEncoding,
     Font_EnumFamilies,


@@ -148,16 +163,27 @@ enum
 // simple menu events like this the static method is much simpler.
 BEGIN_EVENT_TABLE(MyFrame, wxFrame)
     EVT_MENU(Font_Quit,  MyFrame::OnQuit)
 // simple menu events like this the static method is much simpler.
 BEGIN_EVENT_TABLE(MyFrame, wxFrame)
     EVT_MENU(Font_Quit,  MyFrame::OnQuit)

+    EVT_MENU(Font_ViewMsg, MyFrame::OnViewMsg)

     EVT_MENU(Font_About, MyFrame::OnAbout)
     EVT_MENU(Font_About, MyFrame::OnAbout)

+

     EVT_MENU(Font_IncSize, MyFrame::OnIncFont)
     EVT_MENU(Font_DecSize, MyFrame::OnDecFont)
     EVT_MENU(Font_IncSize, MyFrame::OnIncFont)
     EVT_MENU(Font_DecSize, MyFrame::OnDecFont)

-    EVT_MENU(Font_ViewMsg, MyFrame::OnViewMsg)
+    EVT_MENU(Font_Bold, MyFrame::OnBold)
+    EVT_MENU(Font_Italic, MyFrame::OnItalic)
+    EVT_MENU(Font_Underlined, MyFrame::OnUnderline)
+
+    EVT_MENU(Font_wxNORMAL_FONT, MyFrame::OnwxPointerFont)
+    EVT_MENU(Font_wxSMALL_FONT, MyFrame::OnwxPointerFont)
+    EVT_MENU(Font_wxITALIC_FONT, MyFrame::OnwxPointerFont)
+    EVT_MENU(Font_wxSWISS_FONT, MyFrame::OnwxPointerFont)
+
+    EVT_MENU(Font_CheckNativeToFromString, MyFrame::OnCheckNativeToFromString)
+

     EVT_MENU(Font_Choose, MyFrame::OnSelectFont)
     EVT_MENU(Font_EnumFamiliesForEncoding, MyFrame::OnEnumerateFamiliesForEncoding)
     EVT_MENU(Font_EnumFamilies, MyFrame::OnEnumerateFamilies)
     EVT_MENU(Font_EnumFixedFamilies, MyFrame::OnEnumerateFixedFamilies)
     EVT_MENU(Font_EnumEncodings, MyFrame::OnEnumerateEncodings)
     EVT_MENU(Font_Choose, MyFrame::OnSelectFont)
     EVT_MENU(Font_EnumFamiliesForEncoding, MyFrame::OnEnumerateFamiliesForEncoding)
     EVT_MENU(Font_EnumFamilies, MyFrame::OnEnumerateFamilies)
     EVT_MENU(Font_EnumFixedFamilies, MyFrame::OnEnumerateFixedFamilies)
     EVT_MENU(Font_EnumEncodings, MyFrame::OnEnumerateEncodings)

-    EVT_MENU(Font_CheckNativeToFromString, MyFrame::OnCheckNativeToFromString)

 END_EVENT_TABLE()
 
 // Create a new application object: this macro will allow wxWindows to create
 END_EVENT_TABLE()
 
 // Create a new application object: this macro will allow wxWindows to create


@@ -180,7 +206,7 @@ bool MyApp::OnInit()
 {
     // Create the main application window
     MyFrame *frame = new MyFrame("Font wxWindows demo",
 {
     // Create the main application window
     MyFrame *frame = new MyFrame("Font wxWindows demo",

-                                 wxPoint(50, 50), wxSize(450, 340));
+                                 wxPoint(50, 50), wxSize(600, 400));

 
     // Show it and tell the application that it's our main window
     frame->Show(TRUE);
 
     // Show it and tell the application that it's our main window
     frame->Show(TRUE);


@@ -216,25 +242,41 @@ MyFrame::MyFrame(const wxString& title, const wxPoint& pos, const wxSize& size)
     menuFont->Append(Font_IncSize, "&Increase font size by 2 points\tCtrl-I");
     menuFont->Append(Font_DecSize, "&Decrease font size by 2 points\tCtrl-D");
     menuFont->AppendSeparator();
     menuFont->Append(Font_IncSize, "&Increase font size by 2 points\tCtrl-I");
     menuFont->Append(Font_DecSize, "&Decrease font size by 2 points\tCtrl-D");
     menuFont->AppendSeparator();

-    menuFont->Append(Font_Choose, "&Select font...\tCtrl-S",
-                     "Select a standard font");
+    menuFont->Append(Font_Bold, "&Bold\tCtrl-B", "Toggle bold state", TRUE);
+    menuFont->Append(Font_Italic, "&Oblique\tCtrl-O", "Toggle italic state", TRUE);
+    menuFont->Append(Font_Underlined, "&Underlined\tCtrl-U",
+                     "Toggle underlined state", TRUE);
+

     menuFont->AppendSeparator();
     menuFont->AppendSeparator();

-    menuFont->Append(Font_EnumFamilies, "Enumerate font &families\tCtrl-F");
-    menuFont->Append(Font_EnumFixedFamilies,
+    menuFont->Append(Font_CheckNativeToFromString,
+                     "Check Native Font Info To/From String");
+
+    wxMenu *menuSelect = new wxMenu;
+    menuSelect->Append(Font_Choose, "&Select font...\tCtrl-S",
+                     "Select a standard font");
+
+    wxMenu *menuStdFonts = new wxMenu;
+    menuStdFonts->Append(Font_wxNORMAL_FONT, "wxNORMAL_FONT", "Normal font used by wxWindows");
+    menuStdFonts->Append(Font_wxSMALL_FONT,  "wxSMALL_FONT",  "Small font used by wxWindows");
+    menuStdFonts->Append(Font_wxITALIC_FONT, "wxITALIC_FONT", "Italic font used by wxWindows");
+    menuStdFonts->Append(Font_wxSWISS_FONT,  "wxSWISS_FONT",  "Swiss font used by wxWindows");
+    menuSelect->Append(-2, "Standar&d fonts", menuStdFonts);
+
+    menuSelect->AppendSeparator();
+    menuSelect->Append(Font_EnumFamilies, "Enumerate font &families\tCtrl-F");
+    menuSelect->Append(Font_EnumFixedFamilies,

                      "Enumerate fi&xed font families\tCtrl-X");
                      "Enumerate fi&xed font families\tCtrl-X");

-    menuFont->Append(Font_EnumEncodings,
+    menuSelect->Append(Font_EnumEncodings,

                      "Enumerate &encodings\tCtrl-E");
                      "Enumerate &encodings\tCtrl-E");

-    menuFont->Append(Font_EnumFamiliesForEncoding,
+    menuSelect->Append(Font_EnumFamiliesForEncoding,

                      "Find font for en&coding...\tCtrl-C",
                      "Find font families for given encoding");
                      "Find font for en&coding...\tCtrl-C",
                      "Find font families for given encoding");

-    menuFont->AppendSeparator();
-    menuFont->Append(Font_CheckNativeToFromString,
-                     "Check Native Font Info To/From String");

 
     // now append the freshly created menu to the menu bar...
     wxMenuBar *menuBar = new wxMenuBar;
     menuBar->Append(menuFile, "&File");
     menuBar->Append(menuFont, "F&ont");
 
     // now append the freshly created menu to the menu bar...
     wxMenuBar *menuBar = new wxMenuBar;
     menuBar->Append(menuFile, "&File");
     menuBar->Append(menuFont, "F&ont");

+    menuBar->Append(menuSelect, "&Select");

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


@@ -426,26 +468,62 @@ void MyFrame::OnCheckNativeToFromString(wxCommandEvent& WXUNUSED(event))
         if ( fontInfo != font->GetNativeFontInfoDesc() )
             wxLogError(wxT("wxNativeFontInfo ToString()/FromString() broken!"));
         else
         if ( fontInfo != font->GetNativeFontInfoDesc() )
             wxLogError(wxT("wxNativeFontInfo ToString()/FromString() broken!"));
         else

-            wxLogError(wxT("wxNativeFontInfo works: %s"), fontInfo.c_str());
+            wxLogMessage(wxT("wxNativeFontInfo works: %s"), fontInfo.c_str());
+

         delete font;
      }
 }
 
 void MyFrame::DoResizeFont(int diff)
 {
         delete font;
      }
 }
 
 void MyFrame::DoResizeFont(int diff)
 {

-    wxFont fontOld = m_canvas->GetTextFont();
-
-    DoChangeFont(
-        wxFont(
-               fontOld.GetPointSize() + diff,
-               fontOld.GetFamily(),
-               fontOld.GetStyle(),
-               fontOld.GetWeight(),
-               fontOld.GetUnderlined(),
-               fontOld.GetFaceName(),
-               fontOld.GetEncoding()
-              )
-    );
+    wxFont font = m_canvas->GetTextFont();
+
+    font.SetPointSize(font.GetPointSize() + diff);
+    DoChangeFont(font);
+}
+
+void MyFrame::OnBold(wxCommandEvent& event)
+{
+    wxFont font = m_canvas->GetTextFont();
+
+    font.SetWeight(event.IsChecked() ? wxFONTWEIGHT_BOLD : wxFONTWEIGHT_NORMAL);
+    DoChangeFont(font);
+}
+
+void MyFrame::OnItalic(wxCommandEvent& event)
+{
+    wxFont font = m_canvas->GetTextFont();
+
+    font.SetStyle(event.IsChecked() ? wxFONTSTYLE_ITALIC : wxFONTSTYLE_NORMAL);
+    DoChangeFont(font);
+}
+
+void MyFrame::OnUnderline(wxCommandEvent& event)
+{
+    wxFont font = m_canvas->GetTextFont();
+
+    font.SetUnderlined(event.IsChecked());
+    DoChangeFont(font);
+}
+
+void MyFrame::OnwxPointerFont(wxCommandEvent& event)
+{
+    wxFont font;
+
+    switch (event.GetId())
+    {
+        case Font_wxNORMAL_FONT : font = wxFont(*wxNORMAL_FONT); break;
+        case Font_wxSMALL_FONT  : font = wxFont(*wxSMALL_FONT); break;
+        case Font_wxITALIC_FONT : font = wxFont(*wxITALIC_FONT); break;
+        case Font_wxSWISS_FONT  : font = wxFont(*wxSWISS_FONT); break;
+        default                 : font = wxFont(*wxNORMAL_FONT); break;
+    }
+
+    GetMenuBar()->Check(Font_Bold, FALSE);
+    GetMenuBar()->Check(Font_Italic, FALSE);
+    GetMenuBar()->Check(Font_Underlined, FALSE);
+
+    DoChangeFont(font);

 }
 
 void MyFrame::DoChangeFont(const wxFont& font, const wxColour& col)
 }
 
 void MyFrame::DoChangeFont(const wxFont& font, const wxColour& col)


@@ -466,7 +544,7 @@ void MyFrame::OnSelectFont(wxCommandEvent& WXUNUSED(event))
     data.SetInitialFont(m_canvas->GetTextFont());
     data.SetColour(m_canvas->GetColour());
 
     data.SetInitialFont(m_canvas->GetTextFont());
     data.SetColour(m_canvas->GetColour());
 

-    wxFontDialog dialog(this, &data);
+    wxFontDialog dialog(this, data);

     if ( dialog.ShowModal() == wxID_OK )
     {
         wxFontData retData = dialog.GetFontData();
     if ( dialog.ShowModal() == wxID_OK )
     {
         wxFontData retData = dialog.GetFontData();


@@ -474,6 +552,15 @@ void MyFrame::OnSelectFont(wxCommandEvent& WXUNUSED(event))
         wxColour colour = retData.GetColour();
 
         DoChangeFont(font, colour);
         wxColour colour = retData.GetColour();
 
         DoChangeFont(font, colour);

+
+        // update the state of the bold/italic/underlined menu items
+        wxMenuBar *mbar = GetMenuBar();
+        if ( mbar )
+        {
+            mbar->Check(Font_Bold, font.GetWeight() == wxFONTWEIGHT_BOLD);
+            mbar->Check(Font_Italic, font.GetStyle() == wxFONTSTYLE_ITALIC);
+            mbar->Check(Font_Underlined, font.GetUnderlined());
+        }

     }
 }
 
     }
 }
 


@@ -545,7 +632,7 @@ void MyFrame::OnViewMsg(wxCommandEvent& WXUNUSED(event))
     }
 
     // ok, now get the corresponding encoding
     }
 
     // ok, now get the corresponding encoding

-    wxFontEncoding fontenc = wxTheFontMapper->CharsetToEncoding(charset);
+    wxFontEncoding fontenc = wxFontMapper::Get()->CharsetToEncoding(charset);

     if ( fontenc == wxFONTENCODING_SYSTEM )
     {
         wxLogError(wxT("Charset '%s' is unsupported."), charset.c_str());
     if ( fontenc == wxFONTENCODING_SYSTEM )
     {
         wxLogError(wxT("Charset '%s' is unsupported."), charset.c_str());


@@ -555,11 +642,11 @@ void MyFrame::OnViewMsg(wxCommandEvent& WXUNUSED(event))
     m_textctrl->LoadFile(filename);
 
     if ( fontenc == wxFONTENCODING_UTF8 ||
     m_textctrl->LoadFile(filename);
 
     if ( fontenc == wxFONTENCODING_UTF8 ||

-            !wxTheFontMapper->IsEncodingAvailable(fontenc) )
+            !wxFontMapper::Get()->IsEncodingAvailable(fontenc) )

     {
         // try to find some similar encoding:
         wxFontEncoding encAlt;
     {
         // try to find some similar encoding:
         wxFontEncoding encAlt;

-        if ( wxTheFontMapper->GetAltForEncoding(fontenc, &encAlt) )
+        if ( wxFontMapper::Get()->GetAltForEncoding(fontenc, &encAlt) )

         {
             wxEncodingConverter conv;
 
         {
             wxEncodingConverter conv;
 


@@ -633,44 +720,75 @@ void MyCanvas::OnPaint( wxPaintEvent &WXUNUSED(event) )
     dc.SetBackground(wxBrush(wxT("white"), wxSOLID));
     dc.Clear();
 
     dc.SetBackground(wxBrush(wxT("white"), wxSOLID));
     dc.Clear();
 

+    // one text line height
+    wxCoord hLine = dc.GetCharHeight();
+
+    // the current text origin
+    wxCoord x = 5,
+            y = 5;
+

     // output the font name/info
     wxString fontInfo;
     // output the font name/info
     wxString fontInfo;

-    fontInfo.Printf(wxT("Font size is %d points, family is %s, encoding is '%s', style %s, weight %s"),
+    fontInfo.Printf(wxT("Font size is %d points, family: %s, encoding: %s"),

                     m_font.GetPointSize(),
                     m_font.GetFamilyString().c_str(),
                     m_font.GetPointSize(),
                     m_font.GetFamilyString().c_str(),

-                    wxTheFontMapper->
-                        GetEncodingDescription(m_font.GetEncoding()).c_str(),
+                    wxFontMapper::Get()->
+                        GetEncodingDescription(m_font.GetEncoding()).c_str());
+
+    dc.DrawText(fontInfo, x, y);
+    y += hLine;
+
+    fontInfo.Printf(wxT("Style: %s, weight: %s, fixed width: %s"),

                     m_font.GetStyleString().c_str(),
                     m_font.GetStyleString().c_str(),

-                    m_font.GetWeightString().c_str());
+                    m_font.GetWeightString().c_str(),
+                    m_font.IsFixedWidth() ? _T("yes") : _T("no"));

 
 

-    dc.DrawText(fontInfo, 5, 5);
+    dc.DrawText(fontInfo, x, y);
+    y += hLine;

 
     if ( m_font.Ok() )
     {
 
     if ( m_font.Ok() )
     {

-        wxString fontDesc = m_font.GetNativeFontInfoDesc();
-        dc.SetFont(m_font);
-        fontInfo.Printf(wxT("Native font info: %s"), fontDesc.c_str());
-        dc.DrawText(fontInfo, 5, 5 + dc.GetCharHeight());
+        wxNativeFontInfo *info = m_font.GetNativeFontInfo();
+        if ( info )
+        {
+            delete info;
+
+            wxString fontDesc = m_font.GetNativeFontInfoUserDesc();
+            fontInfo.Printf(wxT("Native font info: %s"), fontDesc.c_str());
+
+            dc.DrawText(fontInfo, x, y);
+            y += hLine;
+        }

     }
 
     }
 

+    y += hLine;
+

     // prepare to draw the font
     dc.SetFont(m_font);
     dc.SetTextForeground(m_colour);
 
     // prepare to draw the font
     dc.SetFont(m_font);
     dc.SetTextForeground(m_colour);
 

-    // the size of one cell (char + small margin)
-    int w = dc.GetCharWidth() + 5,
-        h = dc.GetCharHeight() + 4;
+    // the size of one cell (Normally biggest char + small margin)
+    long maxCharWidth, maxCharHeight;
+    dc.GetTextExtent(wxT("W"), &maxCharWidth, &maxCharHeight);
+    int w = maxCharWidth + 5,
+        h = maxCharHeight + 4;

 
 

-    // the origin for our table
-    int x = 5,
-        y = 2*h;

 
     // print all font symbols from 32 to 256 in 7 rows of 32 chars each
 
     // print all font symbols from 32 to 256 in 7 rows of 32 chars each

-    for ( int i = 1; i < 8; i++ )
+    for ( int i = 0; i < 7; i++ )

     {
         for ( int j = 0; j < 32; j++ )
         {
     {
         for ( int j = 0; j < 32; j++ )
         {

-            dc.DrawText(wxChar(32*i + j), x + w*j, y + h*i);
+            wxChar c = 32 * (i + 1) + j;
+
+            long charWidth, charHeight;
+            dc.GetTextExtent(c, &charWidth, &charHeight);
+            dc.DrawText
+            (
+                c,
+                x + w*j + (maxCharWidth - charWidth) / 2 + 1,
+                y + h*i + (maxCharHeight - charHeight) / 2
+            );

         }
     }
 
         }
     }
 


@@ -679,17 +797,16 @@ void MyCanvas::OnPaint( wxPaintEvent &WXUNUSED(event) )
     int l;
 
     // horizontal
     int l;
 
     // horizontal

-    y += h;

     for ( l = 0; l < 8; l++ )
     {
         int yl = y + h*l - 2;
     for ( l = 0; l < 8; l++ )
     {
         int yl = y + h*l - 2;

-        dc.DrawLine(x - 2, yl, x + 32*w - 2, yl);
+        dc.DrawLine(x - 2, yl, x + 32*w - 1, yl);

     }
 
     // and vertical
     for ( l = 0; l < 33; l++ )
     {
         int xl = x + w*l - 2;
     }
 
     // and vertical
     for ( l = 0; l < 33; l++ )
     {
         int xl = x + w*l - 2;

-        dc.DrawLine(xl, y, xl, y + 7*h - 2);
+        dc.DrawLine(xl, y - 2, xl, y + 7*h - 1);

     }
 }
     }
 }