PBfordev/webview_ege-focus.cpp

## webview_ege-focus.cpp
#include <wx/wx.h>
#include <wx/webview.h>

const char* HTMLSource =
R"(<!DOCTYPE html>
<html>
<body>

<h1>Log In</h1>

<form>
  <label for="uname">User name:</label>
  <input type="text" id="uname" name="uname">
  <label for="passwd">Password:</label>
  <input type="text" id="passwd" name="passwd">
</form>

</body>
</html>)";


class MyFrame: public wxFrame
{
public:
    MyFrame() : wxFrame(nullptr, wxID_ANY, "Test")
    {
        wxPanel* mainPanel = new wxPanel(this);
        wxSizer* mainSizer = new wxBoxSizer(wxVERTICAL);

        mainSizer->Add(new wxButton(mainPanel, wxID_ANY, "Focus wxWebView Form"), wxSizerFlags().Expand().Border());
        Bind(wxEVT_BUTTON, &MyFrame::OnFocusWebForm, this);

        m_webView = wxWebView::New(mainPanel, wxID_ANY, wxWebViewDefaultURLStr,
            wxDefaultPosition, wxDefaultSize, wxWebViewBackendEdge);
        wxCHECK_RET(m_webView, "Couldn't create wxWebViewEdge");

        m_webView->Bind(wxEVT_WEBVIEW_LOADED, &MyFrame::OnWebViewLoaded, this);
        mainSizer->Add(m_webView, wxSizerFlags(1).Expand().DoubleBorder());

        mainSizer->Add(new wxTextCtrl(mainPanel, wxID_ANY, ""), wxSizerFlags().Expand().Border());

        SetMinClientSize(FromDIP(wxSize(600,300)));
        mainPanel->SetSizer(mainSizer);
    }
private:
    wxWebView* m_webView;

    void OnFocusWebForm(wxCommandEvent&)
    {
        m_webView->SetFocus();
        m_webView->RunScript(R"(document.getElementById("uname").focus();)");
    }

    void OnWebViewLoaded(wxWebViewEvent&)
    {  // SetPage() can be called only when the view was loaded
        m_webView->Unbind(wxEVT_WEBVIEW_LOADED, &MyFrame::OnWebViewLoaded, this);
        m_webView->SetPage(HTMLSource, wxWebViewDefaultURLStr);
    }
};

class MyApp : public wxApp
{
public:
    bool OnInit() override
    {
        (new MyFrame())->Show();
        return true;
    }
}; wxIMPLEMENT_APP(MyApp);
	#include <wx/wx.h>
	#include <wx/webview.h>

	const char* HTMLSource =
	R"(<!DOCTYPE html>
	<html>
	<body>

	<h1>Log In</h1>

	<form>
	<label for="uname">User name:</label>
	<input type="text" id="uname" name="uname">
	<label for="passwd">Password:</label>
	<input type="text" id="passwd" name="passwd">
	</form>

	</body>
	</html>)";


	class MyFrame: public wxFrame
	{
	public:
	MyFrame() : wxFrame(nullptr, wxID_ANY, "Test")
	{
	wxPanel* mainPanel = new wxPanel(this);
	wxSizer* mainSizer = new wxBoxSizer(wxVERTICAL);

	mainSizer->Add(new wxButton(mainPanel, wxID_ANY, "Focus wxWebView Form"), wxSizerFlags().Expand().Border());
	Bind(wxEVT_BUTTON, &MyFrame::OnFocusWebForm, this);

	m_webView = wxWebView::New(mainPanel, wxID_ANY, wxWebViewDefaultURLStr,
	wxDefaultPosition, wxDefaultSize, wxWebViewBackendEdge);
	wxCHECK_RET(m_webView, "Couldn't create wxWebViewEdge");

	m_webView->Bind(wxEVT_WEBVIEW_LOADED, &MyFrame::OnWebViewLoaded, this);
	mainSizer->Add(m_webView, wxSizerFlags(1).Expand().DoubleBorder());

	mainSizer->Add(new wxTextCtrl(mainPanel, wxID_ANY, ""), wxSizerFlags().Expand().Border());

	SetMinClientSize(FromDIP(wxSize(600,300)));
	mainPanel->SetSizer(mainSizer);
	}
	private:
	wxWebView* m_webView;

	void OnFocusWebForm(wxCommandEvent&)
	{
	m_webView->SetFocus();
	m_webView->RunScript(R"(document.getElementById("uname").focus();)");
	}

	void OnWebViewLoaded(wxWebViewEvent&)
	{ // SetPage() can be called only when the view was loaded
	m_webView->Unbind(wxEVT_WEBVIEW_LOADED, &MyFrame::OnWebViewLoaded, this);
	m_webView->SetPage(HTMLSource, wxWebViewDefaultURLStr);
	}
	};

	class MyApp : public wxApp
	{
	public:
	bool OnInit() override
	{
	(new MyFrame())->Show();
	return true;
	}
	}; wxIMPLEMENT_APP(MyApp);