initial commit

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

libs/wxWidgets-3.3.1/samples/dll/wx_exe.cpp

@@ -0,0 +1,140 @@
+/////////////////////////////////////////////////////////////////////////////
+// Name:        wx_exe.cpp
+// Purpose:     Sample showing how to use wx from a DLL
+// Author:      Vaclav Slavik
+// Created:     2009-12-03
+// Copyright:   (c) 2009 Vaclav Slavik
+// Licence:     wxWindows licence
+/////////////////////////////////////////////////////////////////////////////
+
+// ============================================================================
+// declarations
+// ============================================================================
+
+// ----------------------------------------------------------------------------
+// headers
+// ----------------------------------------------------------------------------
+
+#include "wx/wxprec.h"
+
+
+#include "my_dll.h"
+
+#include "wx/app.h"
+#include "wx/frame.h"
+#include "wx/panel.h"
+#include "wx/sizer.h"
+#include "wx/stattext.h"
+#include "wx/button.h"
+
+#ifndef __WINDOWS__
+    #error "This sample is Windows-only"
+#endif
+
+#ifdef WXUSINGDLL
+    #error "This sample doesn't work with DLL build of wxWidgets"
+#endif
+
+// ----------------------------------------------------------------------------
+// GUI classes
+// ----------------------------------------------------------------------------
+
+static const int ID_RUN_DLL = wxNewId();
+
+class MainFrame : public wxFrame
+{
+public:
+    MainFrame();
+
+    void OnRunDLL(wxCommandEvent& event);
+
+    wxDECLARE_EVENT_TABLE();
+};
+
+
+class MainApp : public wxApp
+{
+public:
+    virtual bool OnInit() override;
+    virtual int OnExit() override;
+};
+
+
+// ============================================================================
+// implementation
+// ============================================================================
+
+// ----------------------------------------------------------------------------
+// MainFrame
+// ----------------------------------------------------------------------------
+
+wxBEGIN_EVENT_TABLE(MainFrame, wxFrame)
+    EVT_BUTTON(ID_RUN_DLL, MainFrame::OnRunDLL)
+wxEND_EVENT_TABLE()
+
+MainFrame::MainFrame()
+    : wxFrame(nullptr, wxID_ANY, "Main wx app",
+              wxDefaultPosition, wxSize(400, 300))
+{
+    wxPanel *p = new wxPanel(this, wxID_ANY);
+    wxSizer *sizer = new wxBoxSizer(wxVERTICAL);
+
+    sizer->Add
+           (
+               new wxStaticText
+                   (
+                       p, wxID_ANY,
+                       wxString::Format
+                       (
+                           "Main wxApp instance is %p (%s),\n"
+                           "thread ID %ld.\n",
+                           wxApp::GetInstance(),
+                           wxVERSION_STRING,
+                           wxThread::GetCurrentId()
+                       )
+                   ),
+               wxSizerFlags(1).Expand().DoubleBorder(wxALL)
+           );
+
+    sizer->Add
+           (
+               new wxButton(p, ID_RUN_DLL, "Run GUI from DLL"),
+               wxSizerFlags(0).Right().DoubleBorder(wxALL)
+           );
+
+    p->SetSizerAndFit(sizer);
+
+    wxSizer *fsizer = new wxBoxSizer(wxVERTICAL);
+    fsizer->Add(p, wxSizerFlags(1).Expand());
+    SetSizerAndFit(fsizer);
+}
+
+void MainFrame::OnRunDLL(wxCommandEvent& WXUNUSED(event))
+{
+    run_wx_gui_from_dll("child instance");
+}
+
+
+// ----------------------------------------------------------------------------
+// MainApp
+// ----------------------------------------------------------------------------
+
+bool MainApp::OnInit()
+{
+    if ( !wxApp::OnInit() )
+        return false;
+
+    wxFrame *f = new MainFrame();
+    f->Show(true);
+
+    return true;
+}
+
+int MainApp::OnExit()
+{
+    wx_dll_cleanup();
+    return wxApp::OnExit();
+}
+
+
+wxIMPLEMENT_APP(MainApp);