-/////////////////////////////////////////////////////////////////////////////
-// Name: view.cpp
-// Purpose: Implements view functionality in OGLEdit
-// Author: Julian Smart
-// Modified by:
-// Created: 12/07/98
-// RCS-ID: $Id$
-// Copyright: (c) Julian Smart
-// Licence: wxWindows licence
-/////////////////////////////////////////////////////////////////////////////
-
-#ifdef __GNUG__
-// #pragma implementation
-#endif
-
-// For compilers that support precompilation, includes "wx.h".
-#include <wx/wxprec.h>
-
-#ifdef __BORLANDC__
-#pragma hdrstop
-#endif
-
-#ifndef WX_PRECOMP
-#include <wx/wx.h>
-#endif
-
-#include <wx/colordlg.h>
-
-#if !wxUSE_DOC_VIEW_ARCHITECTURE
-#error You must set wxUSE_DOC_VIEW_ARCHITECTURE to 1 in wx_setup.h!
-#endif
-
-#include "ogledit.h"
-#include "doc.h"
-#include "view.h"
-#include "palette.h"
-
-IMPLEMENT_DYNAMIC_CLASS(DiagramView, wxView)
-
-BEGIN_EVENT_TABLE(DiagramView, wxView)
- EVT_MENU(OGLEDIT_CUT, DiagramView::OnCut)
- EVT_MENU(OGLEDIT_CHANGE_BACKGROUND_COLOUR, DiagramView::OnChangeBackgroundColour)
- EVT_MENU(OGLEDIT_EDIT_LABEL, DiagramView::OnEditLabel)
-END_EVENT_TABLE()
-
-// What to do when a view is created. Creates actual
-// windows for displaying the view.
-bool DiagramView::OnCreate(wxDocument *doc, long flags)
-{
- frame = GetMainFrame();
- canvas = GetMainFrame()->canvas;
- canvas->view = this;
-
- SetFrame(frame);
- Activate(TRUE);
-
- // Initialize the edit menu Undo and Redo items
- doc->GetCommandProcessor()->SetEditMenu(((MyFrame *)frame)->editMenu);
- doc->GetCommandProcessor()->Initialize();
-
- wxShapeCanvas *shapeCanvas = (wxShapeCanvas *)canvas;
- DiagramDocument *diagramDoc = (DiagramDocument *)doc;
- shapeCanvas->SetDiagram(diagramDoc->GetDiagram());
- diagramDoc->GetDiagram()->SetCanvas(shapeCanvas);
-
- return TRUE;
-}
-
-#define CENTER FALSE // Place the drawing to the center of the page
-
-
-// Sneakily gets used for default print/preview
-// as well as drawing on the screen.
-void DiagramView::OnDraw(wxDC *dc)
-{
-
- /* You might use THIS code if you were scaling
- * graphics of known size to fit on the page.
- */
- int w, h;
-
- // We need to adjust for the graphic size, a formula will be added
- float maxX = 900;
- float maxY = 700;
- // A better way of find the maxium values would be to search through
- // the linked list
-
- // Let's have at least 10 device units margin
- float marginX = 10;
- float marginY = 10;
-
- // Add the margin to the graphic size
- maxX += (2 * marginX);
- maxY += (2 * marginY);
-
- // Get the size of the DC in pixels
- dc->GetSize (&w, &h);
-
- // Calculate a suitable scaling factor
- float scaleX = (float) (w / maxX);
- float scaleY = (float) (h / maxY);
-
- // Use x or y scaling factor, whichever fits on the DC
- float actualScale = wxMin (scaleX, scaleY);
-
- float posX, posY;
- // Calculate the position on the DC for centring the graphic
- if (CENTER == TRUE) // center the drawing
- {
- posX = (float) ((w - (200 * actualScale)) / 2.0);
- posY = (float) ((h - (200 * actualScale)) / 2.0);
- }
- else // Use defined presets
- {
- posX = 10;
- posY = 35;
- }
-
-
- // Set the scale and origin
- dc->SetUserScale (actualScale, actualScale);
- dc->SetDeviceOrigin ((long) posX, (long) posY);
-
- // This part was added to preform the print preview and printing functions
-
- dc->BeginDrawing(); // Allows optimization of drawing code under MS Windows.
- wxDiagram *diagram_p=((DiagramDocument*)GetDocument())->GetDiagram(); // Get the current diagram
- if (diagram_p->GetShapeList())
- {
- wxCursor *old_cursor = NULL;
- wxNode *current = diagram_p->GetShapeList()->First();
-
- while (current) // Loop through the entire list of shapes
- {
- wxShape *object = (wxShape *)current->Data();
- if (!object->GetParent())
- {
- object->Draw(* dc); // Draw the shape onto our printing dc
- }
- current = current->Next(); // Procede to the next shape in the list
- }
- }
- dc->EndDrawing(); // Allows optimization of drawing code under MS Windows.
-}
-
-void DiagramView::OnUpdate(wxView *sender, wxObject *hint)
-{
- if (canvas)
- canvas->Refresh();
-}
-
-// Clean up windows used for displaying the view.
-bool DiagramView::OnClose(bool deleteWindow)
-{
- if (!GetDocument()->Close())
- return FALSE;
-
- DiagramDocument *diagramDoc = (DiagramDocument *)GetDocument();
- diagramDoc->GetDiagram()->SetCanvas(NULL);
-
- canvas->Clear();
- canvas->SetDiagram(NULL);
- canvas->view = NULL;
- canvas = NULL;
-
- wxString s = wxTheApp->GetAppName();
- if (frame)
- frame->SetTitle(s);
-
- SetFrame(NULL);
-
- Activate(FALSE);
-
- return TRUE;
-}
-
-wxShape *DiagramView::FindSelectedShape(void)
-{
- DiagramDocument *doc = (DiagramDocument *)GetDocument();
- wxShape *theShape = NULL;
- wxNode *node = doc->GetDiagram()->GetShapeList()->First();
- while (node)
- {
- wxShape *eachShape = (wxShape *)node->Data();
- if ((eachShape->GetParent() == NULL) && eachShape->Selected())
- {
- theShape = eachShape;
- node = NULL;
- }
- else node = node->Next();
- }
- return theShape;
-}
-
-void DiagramView::OnCut(wxCommandEvent& event)
-{
- DiagramDocument *doc = (DiagramDocument *)GetDocument();
-
- wxShape *theShape = FindSelectedShape();
- if (theShape)
- doc->GetCommandProcessor()->Submit(new DiagramCommand("Cut", OGLEDIT_CUT, doc, NULL, 0.0, 0.0, TRUE, theShape));
-}
-
-void DiagramView::OnChangeBackgroundColour(wxCommandEvent& event)
-{
- DiagramDocument *doc = (DiagramDocument *)GetDocument();
-
- wxShape *theShape = FindSelectedShape();
- if (theShape)
- {
- wxColourData data;
- data.SetChooseFull(TRUE);
- data.SetColour(theShape->GetBrush()->GetColour());
-
- wxColourDialog *dialog = new wxColourDialog(frame, &data);
- wxBrush *theBrush = NULL;
- if (dialog->ShowModal() == wxID_OK)
- {
- wxColourData retData = dialog->GetColourData();
- wxColour col = retData.GetColour();
- theBrush = wxTheBrushList->FindOrCreateBrush(col, wxSOLID);
- }
- dialog->Close();
-
- if (theBrush)
- doc->GetCommandProcessor()->Submit(new DiagramCommand("Change colour", OGLEDIT_CHANGE_BACKGROUND_COLOUR, doc,
- theBrush, theShape));
- }
-}
-
-void DiagramView::OnEditLabel(wxCommandEvent& event)
-{
- wxShape *theShape = FindSelectedShape();
- if (theShape)
- {
- wxString newLabel = wxGetTextFromUser("Enter new label", "Shape Label", ((MyEvtHandler *)theShape->GetEventHandler())->label);
- GetDocument()->GetCommandProcessor()->Submit(new DiagramCommand("Edit label", OGLEDIT_EDIT_LABEL, (DiagramDocument*) GetDocument(), newLabel, theShape));
- }
-}
-
-
-/*
- * Window implementations
- */
-
-BEGIN_EVENT_TABLE(MyCanvas, wxShapeCanvas)
- EVT_MOUSE_EVENTS(MyCanvas::OnMouseEvent)
- EVT_PAINT(MyCanvas::OnPaint)
-END_EVENT_TABLE()
-
-// Define a constructor for my canvas
-MyCanvas::MyCanvas(wxView *v, wxWindow *parent, wxWindowID id, const wxPoint& pos,
- const wxSize& size, long style):
- wxShapeCanvas(parent, id, pos, size, style)
-{
- SetBackgroundColour(*wxWHITE);
- view = v;
-}
-
-MyCanvas::~MyCanvas(void)
-{
-}
-
-void MyCanvas::OnLeftClick(double x, double y, int keys)
-{
- EditorToolPalette *palette = wxGetApp().frame->palette;
- wxClassInfo *info = NULL;
- switch (palette->currentlySelected)
- {
- case PALETTE_TOOL1:
- {
- info = CLASSINFO(wxRectangleShape);
- break;
- }
- case PALETTE_TOOL2:
- {
- info = CLASSINFO(wxRoundedRectangleShape);
- break;
- }
- case PALETTE_TOOL3:
- {
- info = CLASSINFO(wxEllipseShape);
- break;
- }
- case PALETTE_TOOL4:
- {
- info = CLASSINFO(wxDiamondShape);
- break;
- }
- default:
- break;
- }
- if (info)
- {
- view->GetDocument()->GetCommandProcessor()->Submit(new DiagramCommand(info->GetClassName(), OGLEDIT_ADD_SHAPE, (DiagramDocument *)view->GetDocument(), info,
- x, y));
- }
-}
-
-void MyCanvas::OnRightClick(double x, double y, int keys)
-{
-}
-
-void MyCanvas::OnDragLeft(bool draw, double x, double y, int keys)
-{
-}
-
-void MyCanvas::OnBeginDragLeft(double x, double y, int keys)
-{
-}
-
-void MyCanvas::OnEndDragLeft(double x, double y, int keys)
-{
-}
-
-void MyCanvas::OnDragRight(bool draw, double x, double y, int keys)
-{
-}
-
-void MyCanvas::OnBeginDragRight(double x, double y, int keys)
-{
-}
-
-void MyCanvas::OnEndDragRight(double x, double y, int keys)
-{
-}
-
-void MyCanvas::OnMouseEvent(wxMouseEvent& event)
-{
- wxShapeCanvas::OnMouseEvent(event);
-}
-
-void MyCanvas::OnPaint(wxPaintEvent& event)
-{
-// if (GetDiagram())
- wxShapeCanvas::OnPaint(event);
-}
projects / wxWidgets.git / blobdiff