initial commit

Signed-off-by: Peter Siegmund <mars3142@noreply.mars3142.dev>

libs/wxWidgets-3.3.1/samples/html/about/about.cpp

@@ -0,0 +1,174 @@
+/////////////////////////////////////////////////////////////////////////////
+// Name:        about.cpp
+// Purpose:     wxHtml sample: about dialog test
+// Author:      ?
+// Created:     ?
+// Copyright:   (c) wxWidgets team
+// Licence:     wxWindows licence
+/////////////////////////////////////////////////////////////////////////////
+
+// For compilers that support precompilation, includes "wx/wx.h".
+#include "wx/wxprec.h"
+
+
+// for all others, include the necessary headers (this file is usually all you
+// need because it includes almost all "standard" wxWidgets headers
+#ifndef WX_PRECOMP
+    #include "wx/wx.h"
+#endif
+
+#include "wx/image.h"
+#include "wx/imagpng.h"
+#include "wx/wxhtml.h"
+#include "wx/statline.h"
+
+#ifndef wxHAS_IMAGES_IN_RESOURCES
+    #include "../../sample.xpm"
+#endif
+
+
+// ----------------------------------------------------------------------------
+// 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() override;
+};
+
+// Define a new frame type: this is going to be our main frame
+class MyFrame : public wxFrame
+{
+public:
+    // ctor(s)
+    MyFrame(const wxString& title);
+
+    // event handlers (these functions should _not_ be virtual)
+    void OnQuit(wxCommandEvent& event);
+    void OnAbout(wxCommandEvent& event);
+
+private:
+    // any class wishing to process wxWidgets events must use this macro
+    wxDECLARE_EVENT_TABLE();
+};
+
+// ----------------------------------------------------------------------------
+// event tables and other macros for wxWidgets
+// ----------------------------------------------------------------------------
+
+// the event tables connect the wxWidgets 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.
+wxBEGIN_EVENT_TABLE(MyFrame, wxFrame)
+   EVT_MENU(wxID_ABOUT, MyFrame::OnAbout)
+   EVT_MENU(wxID_EXIT,  MyFrame::OnQuit)
+wxEND_EVENT_TABLE()
+
+// Create a new application object: this macro will allow wxWidgets 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)
+wxIMPLEMENT_APP(MyApp);
+
+// ============================================================================
+// implementation
+// ============================================================================
+
+// ----------------------------------------------------------------------------
+// the application class
+// ----------------------------------------------------------------------------
+
+// `Main program' equivalent: the program execution "starts" here
+bool MyApp::OnInit()
+{
+    if ( !wxApp::OnInit() )
+        return false;
+
+    // we use a PNG image in our HTML page
+    wxImage::AddHandler(new wxPNGHandler);
+
+    // create and show the main application window
+    MyFrame *frame = new MyFrame(_("wxHtmlWindow testing application"));
+    frame->Show();
+
+    // 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)
+       : wxFrame(nullptr, wxID_ANY, title)
+{
+    SetIcon(wxICON(sample));
+
+    // create a menu bar
+    wxMenu *menuFile = new wxMenu;
+
+    menuFile->Append(wxID_ABOUT);
+    menuFile->Append(wxID_EXIT);
+
+    // now append the freshly created menu to the menu bar...
+    wxMenuBar *menuBar = new wxMenuBar;
+    menuBar->Append(menuFile, _("&File"));
+
+    // ... and attach this menu bar to the frame
+    SetMenuBar(menuBar);
+}
+
+
+// event handlers
+
+void MyFrame::OnQuit(wxCommandEvent& WXUNUSED(event))
+{
+    // true is to force the frame to close
+    Close(true);
+}
+
+void MyFrame::OnAbout(wxCommandEvent& WXUNUSED(event))
+{
+    wxBoxSizer *topsizer;
+    wxHtmlWindow *html;
+    wxDialog dlg(this, wxID_ANY, wxString(_("About")));
+
+    topsizer = new wxBoxSizer(wxVERTICAL);
+
+    html = new wxHtmlWindow(&dlg, wxID_ANY, wxDefaultPosition, wxSize(380, 160), wxHW_SCROLLBAR_NEVER);
+    html -> SetBorders(0);
+    html -> LoadPage("data/about.htm");
+    html -> SetHTMLBackgroundImage(wxBitmapBundle::FromSVGFile("data/bg.svg", wxSize(65, 45)));
+    html -> SetInitialSize(wxSize(html -> GetInternalRepresentation() -> GetWidth(),
+                                  html -> GetInternalRepresentation() -> GetHeight()));
+
+    topsizer -> Add(html, 1, wxALL, 10);
+
+#if wxUSE_STATLINE
+    topsizer -> Add(new wxStaticLine(&dlg, wxID_ANY), 0, wxEXPAND | wxLEFT | wxRIGHT, 10);
+#endif // wxUSE_STATLINE
+
+    wxButton *bu1 = new wxButton(&dlg, wxID_OK, _("OK"));
+    bu1 -> SetDefault();
+
+    topsizer -> Add(bu1, 0, wxALL | wxALIGN_RIGHT, 15);
+
+    dlg.SetSizer(topsizer);
+    topsizer -> Fit(&dlg);
+
+    dlg.ShowModal();
+}
+