initial commit

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

libs/wxWidgets-3.3.1/samples/docview/view.h

@@ -0,0 +1,168 @@
+/////////////////////////////////////////////////////////////////////////////
+// Name:        samples/docview/view.h
+// Purpose:     View classes
+// Author:      Julian Smart
+// Modified by: Vadim Zeitlin: merge with the MDI version and general cleanup
+// Created:     04/01/98
+// Copyright:   (c) 1998 Julian Smart
+//              (c) 2008 Vadim Zeitlin
+// Licence:     wxWindows licence
+/////////////////////////////////////////////////////////////////////////////
+
+#ifndef _WX_SAMPLES_DOCVIEW_VIEW_H_
+#define _WX_SAMPLES_DOCVIEW_VIEW_H_
+
+#include "wx/docview.h"
+
+// ----------------------------------------------------------------------------
+// Drawing view classes
+// ----------------------------------------------------------------------------
+
+// The window showing the drawing itself
+class MyCanvas : public wxScrolledWindow
+{
+public:
+    // view may be null if we're not associated with one yet, but parent must
+    // be a valid pointer
+    MyCanvas(wxView *view, wxWindow *parent = nullptr);
+    virtual ~MyCanvas();
+
+    virtual void OnDraw(wxDC& dc) override;
+
+    // in a normal multiple document application a canvas is associated with
+    // one view from the beginning until the end, but to support the single
+    // document mode in which all documents reuse the same MyApp::GetCanvas()
+    // we need to allow switching the canvas from one view to another one
+
+    void SetView(wxView *view)
+    {
+        wxASSERT_MSG( !m_view, "shouldn't be already associated with a view" );
+
+        m_view = view;
+    }
+
+    void ResetView()
+    {
+        wxASSERT_MSG( m_view, "should be associated with a view" );
+
+        m_view = nullptr;
+    }
+
+private:
+    void OnMouseEvent(wxMouseEvent& event);
+
+    wxView *m_view;
+
+    // the segment being currently drawn or nullptr if none
+    DoodleSegment *m_currentSegment;
+
+    // the last mouse press position
+    wxPoint m_lastMousePos;
+
+    wxDECLARE_EVENT_TABLE();
+};
+
+// The view using MyCanvas to show its contents
+class DrawingView : public wxView
+{
+public:
+    DrawingView() : wxView(), m_canvas(nullptr) {}
+
+    virtual bool OnCreate(wxDocument *doc, long flags) override;
+    virtual void OnDraw(wxDC *dc) override;
+    virtual void OnUpdate(wxView *sender, wxObject *hint = nullptr) override;
+    virtual bool OnClose(bool deleteWindow = true) override;
+
+    DrawingDocument* GetDocument();
+
+private:
+    void OnCut(wxCommandEvent& event);
+
+    MyCanvas *m_canvas;
+
+    wxDECLARE_EVENT_TABLE();
+    wxDECLARE_DYNAMIC_CLASS(DrawingView);
+};
+
+// ----------------------------------------------------------------------------
+// Text view classes
+// ----------------------------------------------------------------------------
+
+// The view using a standard wxTextCtrl to show its contents
+class TextEditView : public wxView
+{
+public:
+    TextEditView() : wxView(), m_text(nullptr) {}
+
+    virtual bool OnCreate(wxDocument *doc, long flags) override;
+    virtual void OnDraw(wxDC *dc) override;
+    virtual bool OnClose(bool deleteWindow = true) override;
+
+    wxTextCtrl *GetText() const { return m_text; }
+
+private:
+    void OnCopy(wxCommandEvent& WXUNUSED(event)) { m_text->Copy(); }
+    void OnPaste(wxCommandEvent& WXUNUSED(event)) { m_text->Paste(); }
+    void OnSelectAll(wxCommandEvent& WXUNUSED(event)) { m_text->SelectAll(); }
+
+    wxTextCtrl *m_text;
+
+    wxDECLARE_EVENT_TABLE();
+    wxDECLARE_DYNAMIC_CLASS(TextEditView);
+};
+
+// ----------------------------------------------------------------------------
+// ImageCanvas
+// ----------------------------------------------------------------------------
+
+class ImageCanvas : public wxScrolledWindow
+{
+public:
+    ImageCanvas(wxView*);
+
+    virtual void OnDraw(wxDC& dc) override;
+private:
+    wxView *m_view;
+};
+
+// ----------------------------------------------------------------------------
+// ImageView
+// ----------------------------------------------------------------------------
+
+class ImageView : public wxView
+{
+public:
+    ImageView() : wxView() {}
+
+    virtual bool OnCreate(wxDocument*, long flags) override;
+    virtual void OnDraw(wxDC*) override;
+    virtual bool OnClose(bool deleteWindow = true) override;
+    virtual void OnUpdate(wxView *sender, wxObject *hint = nullptr) override;
+
+    ImageDocument* GetDocument();
+
+private:
+    ImageCanvas* m_canvas;
+
+    wxDECLARE_DYNAMIC_CLASS(ImageView);
+};
+
+// ----------------------------------------------------------------------------
+// ImageDetailsView
+// ----------------------------------------------------------------------------
+
+class ImageDetailsView : public wxView
+{
+public:
+    ImageDetailsView(ImageDetailsDocument *doc);
+    ImageDetailsView(const ImageDetailsView&) = delete;
+    ImageDetailsView& operator=(const ImageDetailsView&) = delete;
+
+    virtual void OnDraw(wxDC *dc) override;
+    virtual bool OnClose(bool deleteWindow) override;
+
+private:
+    wxFrame *m_frame;
+};
+
+#endif // _WX_SAMPLES_DOCVIEW_VIEW_H_