--- /dev/null
+/////////////////////////////////////////////////////////////////////////////
+// Name: font.cpp
+// Purpose: wxFont demo
+// Author: Vadim Zeitlin
+// Modified by:
+// Created: 30.09.99
+// RCS-ID: $Id$
+// Copyright: (c) Vadim Zeitlin
+// Licence: wxWindows licence
+/////////////////////////////////////////////////////////////////////////////
+
+// For compilers that support precompilation, includes "wx/wx.h".
+#include <wx/wxprec.h>
+
+#ifdef __BORLANDC__
+ #pragma hdrstop
+#endif
+
+// for all others, include the necessary headers (this file is usually all you
+// need because it includes almost all <standard< wxWindows headers
+#ifndef WX_PRECOMP
+ #include <wx/wx.h>
+
+ #include <wx/log.h>
+#endif
+
+#include <wx/fontdlg.h>
+
+// ----------------------------------------------------------------------------
+// private classes
+// ----------------------------------------------------------------------------
+
+// Define a new application type, each program should derive a class from wxApp
+class MyApp : public wxApp
+{
+public:
+ // override base class virtuals
+ // ----------------------------
+
+ // this one is called on application startup and is a good place for the app
+ // initialization (doing it here and not in the ctor allows to have an error
+ // return: if OnInit() returns false, the application terminates)
+ virtual bool OnInit();
+};
+
+// MyCanvas is a canvas on which we show the font sample
+class MyCanvas: public wxWindow
+{
+public:
+ MyCanvas( wxWindow *parent );
+ ~MyCanvas();
+
+ // accessors for the frame
+ const wxFont& GetTextFont() const { return m_font; }
+ const wxColour& GetColour() const { return m_colour; }
+ void SetTextFont(const wxFont& font) { m_font = font; }
+ void SetColour(const wxColour& colour) { m_colour = colour; }
+
+ // event handlers
+ void OnPaint( wxPaintEvent &event );
+
+private:
+ wxColour m_colour;
+ wxFont m_font;
+
+ DECLARE_EVENT_TABLE()
+};
+
+// Define a new frame type: this is going to be our main frame
+class MyFrame : public wxFrame
+{
+public:
+ // ctor(s)
+ MyFrame(const wxString& title, const wxPoint& pos, const wxSize& size);
+
+ // accessors
+ MyCanvas *GetCanvas() const { return m_canvas; }
+
+ // event handlers (these functions should _not_ be virtual)
+ void OnQuit(wxCommandEvent& event);
+ void OnAbout(wxCommandEvent& event);
+ void OnSelectFont(wxCommandEvent& event);
+ void OnCreateFont(wxCommandEvent& event);
+
+protected:
+ MyCanvas *m_canvas;
+
+private:
+ // any class wishing to process wxWindows events must use this macro
+ DECLARE_EVENT_TABLE()
+};
+
+// A custom font dialog which allows to directly edit wxFont proprieties
+class MyFontDialog : public wxDialog
+{
+public:
+ MyFontDialog(MyFrame *frame);
+
+ // event handlers
+ void OnApply(wxCommandEvent& WXUNUSED(event)) { DoApply(); }
+
+protected:
+ void DoApply();
+
+ MyCanvas *m_canvas;
+
+private:
+ //DECLARE_EVENT_TABLE() TODO
+};
+
+// ----------------------------------------------------------------------------
+// constants
+// ----------------------------------------------------------------------------
+
+// IDs for the controls and the menu commands
+enum
+{
+ // menu items
+ Font_Quit = 1,
+ Font_About,
+ Font_Choose = 100,
+ Font_Create
+};
+
+// ----------------------------------------------------------------------------
+// event tables and other macros for wxWindows
+// ----------------------------------------------------------------------------
+
+// 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.
+BEGIN_EVENT_TABLE(MyFrame, wxFrame)
+ EVT_MENU(Font_Quit, MyFrame::OnQuit)
+ EVT_MENU(Font_About, MyFrame::OnAbout)
+ EVT_MENU(Font_Choose, MyFrame::OnSelectFont)
+ EVT_MENU(Font_Create, MyFrame::OnCreateFont)
+END_EVENT_TABLE()
+
+// Create a new application object: this macro will allow wxWindows to create
+// the application object during program execution (it's better than using a
+// static object for many reasons) and also declares the accessor function
+// wxGetApp() which will return the reference of the right type (i.e. MyApp and
+// not wxApp)
+IMPLEMENT_APP(MyApp)
+
+// ============================================================================
+// implementation
+// ============================================================================
+
+// ----------------------------------------------------------------------------
+// the application class
+// ----------------------------------------------------------------------------
+
+// `Main program' equivalent: the program execution "starts" here
+bool MyApp::OnInit()
+{
+ // Create the main application window
+ MyFrame *frame = new MyFrame("Minimal wxWindows App",
+ wxPoint(50, 50), wxSize(450, 340));
+
+ // Show it and tell the application that it's our main window
+ frame->Show(TRUE);
+ SetTopWindow(frame);
+
+ // success: wxApp::OnRun() will be called which will enter the main message
+ // loop and the application will run. If we returned FALSE here, the
+ // application would exit immediately.
+ return TRUE;
+}
+
+// ----------------------------------------------------------------------------
+// main frame
+// ----------------------------------------------------------------------------
+
+// frame constructor
+MyFrame::MyFrame(const wxString& title, const wxPoint& pos, const wxSize& size)
+ : wxFrame((wxFrame *)NULL, -1, title, pos, size)
+{
+ // set the frame icon
+ SetIcon(wxICON(mondrian));
+
+ // create a menu bar
+ wxMenu *menuFile = new wxMenu;
+
+ menuFile->Append(Font_About, "&About...\tCtrl-A", "Show about dialog");
+ menuFile->AppendSeparator();
+ menuFile->Append(Font_Quit, "E&xit\tAlt-X", "Quit this program");
+
+ wxMenu *menuFont = new wxMenu;
+ menuFont->Append(Font_Choose, "&Select font...\tCtrl-F",
+ "Select a standard font");
+ menuFont->Append(Font_Create, "&Create font...\tCtrl-C",
+ "Create a custom font");
+
+ // now append the freshly created menu to the menu bar...
+ wxMenuBar *menuBar = new wxMenuBar;
+ menuBar->Append(menuFile, "&File");
+ menuBar->Append(menuFont, "F&ont");
+
+ // ... and attach this menu bar to the frame
+ SetMenuBar(menuBar);
+
+ m_canvas = new MyCanvas(this);
+
+ // create a status bar just for fun (by default with 1 pane only)
+ CreateStatusBar(2);
+ SetStatusText("Welcome to wxWindows!");
+}
+
+
+// event handlers
+
+void MyFrame::OnCreateFont(wxCommandEvent& WXUNUSED(event))
+{
+ MyFontDialog dialog(this);
+
+ (void)dialog.ShowModal();
+}
+
+void MyFrame::OnSelectFont(wxCommandEvent& WXUNUSED(event))
+{
+ wxFontData data;
+ data.SetInitialFont(m_canvas->GetTextFont());
+ data.SetColour(m_canvas->GetColour());
+
+ wxFontDialog dialog(this, &data);
+ if ( dialog.ShowModal() == wxID_OK )
+ {
+ wxFontData retData = dialog.GetFontData();
+ m_canvas->SetTextFont(retData.GetChosenFont());
+ m_canvas->SetColour(retData.GetColour());
+ m_canvas->Refresh();
+ }
+}
+
+void MyFrame::OnQuit(wxCommandEvent& WXUNUSED(event))
+{
+ // TRUE is to force the frame to close
+ Close(TRUE);
+}
+
+void MyFrame::OnAbout(wxCommandEvent& WXUNUSED(event))
+{
+ wxMessageBox("wxWindows font demo.", "About Font",
+ wxOK | wxICON_INFORMATION, this);
+}
+
+
+// ----------------------------------------------------------------------------
+// MyCanvas
+// ----------------------------------------------------------------------------
+
+BEGIN_EVENT_TABLE(MyCanvas, wxWindow)
+ EVT_PAINT(MyCanvas::OnPaint)
+END_EVENT_TABLE()
+
+MyCanvas::MyCanvas( wxWindow *parent )
+ : wxWindow( parent, -1 )
+{
+ m_font = *wxNORMAL_FONT;
+ m_colour = *wxRED;
+}
+
+MyCanvas::~MyCanvas()
+{
+}
+
+void MyCanvas::OnPaint( wxPaintEvent &WXUNUSED(event) )
+{
+ wxPaintDC dc(this);
+ PrepareDC(dc);
+
+ // set background
+ dc.SetBackground(wxBrush("white", wxSOLID));
+ dc.Clear();
+
+ // output the font name/info
+ wxString fontInfo;
+ fontInfo.Printf("Font family is '%s', style '%s', weight '%s'",
+ m_font.GetFamilyString().c_str(),
+ m_font.GetStyleString().c_str(),
+ m_font.GetWeightString().c_str());
+
+ dc.DrawText(fontInfo, 5, 5);
+
+ // 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 origin for our table
+ int x = 5,
+ y = 2*h + 5;
+
+ // print all font symbols from 32 to 256 in 7 rows of 32 chars each
+ for ( int i = 1; i < 8; i++ )
+ {
+ for ( int j = 0; j < 32; j++ )
+ {
+ dc.DrawText(char(32*i + j), x + w*j, y + h*i);
+ }
+ }
+
+ // draw the lines between them
+ dc.SetPen(wxPen(wxColour("blue"), 1, wxSOLID));
+ int l;
+
+ // horizontal
+ y += h;
+ for ( l = 0; l < 8; l++ )
+ {
+ int yl = y + h*l - 2;
+ dc.DrawLine(x - 2, yl, x + 32*w - 2, yl);
+ }
+
+ // and vertical
+ for ( l = 0; l < 33; l++ )
+ {
+ int xl = x + w*l - 2;
+ dc.DrawLine(xl, y, xl, y + 7*h - 2);
+ }
+}
+
+// ----------------------------------------------------------------------------
+// MyFontDialog
+// ----------------------------------------------------------------------------
+
+MyFontDialog::MyFontDialog(MyFrame *frame)
+ : wxDialog(frame, -1, wxString("Edit font attributes"))
+{
+ m_canvas = frame->GetCanvas();
+
+ // create controls
+ wxSize sizeBtn = wxButton::GetDefaultSize();
+
+ // TODO
+
+ // position and size the dialog
+ SetClientSize(4*sizeBtn.x, 10*sizeBtn.y);
+ Centre();
+}
+
+void MyFontDialog::DoApply()
+{
+ wxFont font; //(size, family, style, weight, underlined, face, encoding);
+ if ( !font.Ok() )
+ {
+ wxLogError("Font creation failed.");
+ }
+ else
+ {
+ m_canvas->SetTextFont(font);
+ m_canvas->Refresh();
+ }
+}
projects / wxWidgets.git / commitdiff
