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wxWidgets/contrib/samples/ogl/studio/shapes.cpp
Julian Smart a059a1f2e2 Corrected ViewStart problem 
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@12486 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
2001-11-19 16:07:18 +00:00

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/////////////////////////////////////////////////////////////////////////////
// Name: shapes.cpp
// Purpose: Implements Studio shapes
// 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
#if !wxUSE_DOC_VIEW_ARCHITECTURE
#error You must set wxUSE_DOC_VIEW_ARCHITECTURE to 1 in wx_setup.h!
#endif
#include <wx/wxexpr.h>
#include "studio.h"
#include "doc.h"
#include "shapes.h"
#include "view.h"
#include <wx/ogl/basicp.h>
#include <wx/ogl/linesp.h>
#include "cspalette.h"
#include "dialogs.h"
#define csSTANDARD_SHAPE_WIDTH 100
IMPLEMENT_CLASS(csDiagram, wxDiagram)
csDiagram::~csDiagram()
{
DeleteAllShapes();
}
void csDiagram::Redraw(wxDC& dc)
{
wxDiagram::Redraw(dc);
// Draw line crossings
wxLineCrossings lineCrossings;
lineCrossings.FindCrossings(*this);
lineCrossings.DrawCrossings(*this, dc);
}
/*
* csEvtHandler: an event handler class for all shapes
*/
IMPLEMENT_DYNAMIC_CLASS(csEvtHandler, wxShapeEvtHandler)
csEvtHandler::csEvtHandler(wxShapeEvtHandler *prev, wxShape *shape, const wxString& lab):
wxShapeEvtHandler(prev, shape)
{
m_label = lab;
}
csEvtHandler::~csEvtHandler()
{
}
// Copy any event handler data
void csEvtHandler::CopyData(wxShapeEvtHandler& copy)
{
wxShapeEvtHandler::CopyData(copy);
csEvtHandler& csCopy = (csEvtHandler&) copy;
csCopy.m_label = m_label;
}
void csEvtHandler::OnLeftClick(double x, double y, int keys, int attachment)
{
wxClientDC dc(GetShape()->GetCanvas());
GetShape()->GetCanvas()->PrepareDC(dc);
csDiagramView* view = ((csCanvas*)GetShape()->GetCanvas())->GetView();
view->ReflectPointSize(GetShape()->GetFont()->GetPointSize());
if (GetShape()->IsKindOf(CLASSINFO(wxLineShape)))
view->ReflectArrowState((wxLineShape*) GetShape());
csEditorToolPalette *palette = wxGetApp().GetDiagramPalette();
if (palette->GetSelection() == PALETTE_TEXT_TOOL)
{
view->ReflectPointSize(GetShape()->GetFont()->GetPointSize());
EditProperties();
#if 0
csLabelEditingDialog* dialog = new csLabelEditingDialog(GetShape()->GetCanvas()->GetParent());
dialog->SetShapeLabel(m_label);
if (dialog->ShowModal() == wxID_CANCEL)
{
dialog->Destroy();
return;
}
wxString newLabel = dialog->GetShapeLabel();
dialog->Destroy();
wxShape* newShape = GetShape()->CreateNewCopy();
csEvtHandler* handler = (csEvtHandler *)newShape->GetEventHandler();
handler->m_label = newLabel;
view->GetDocument()->GetCommandProcessor()->Submit(new csDiagramCommand("Edit label", (csDiagramDocument*) view->GetDocument(),
new csCommandState(ID_CS_EDIT_PROPERTIES, newShape, GetShape())));
#endif
return;
}
if (keys == 0)
{
// If no shift key, then everything is deselected.
// If the shape was selected, deselect it and vice versa.
bool selected = GetShape()->Selected();
view->SelectAll(FALSE);
selected = !selected;
GetShape()->Select(selected, &dc);
GetShape()->GetCanvas()->Redraw(dc); // Redraw because bits of objects will be missing
view->SelectShape(GetShape(), selected);
}
else if (keys & KEY_SHIFT)
{
if (GetShape()->Selected())
{
GetShape()->Select(FALSE, &dc);
view->SelectShape(GetShape(), FALSE);
}
else
{
GetShape()->Select(TRUE, &dc);
view->SelectShape(GetShape(), TRUE);
}
GetShape()->GetCanvas()->Redraw(dc); // Redraw because bits of objects will be missing
}
else if (keys & KEY_CTRL)
{
// Do something for CONTROL
}
else
{
((wxFrame*)wxGetApp().GetTopWindow())->SetStatusText(m_label);
}
}
void csEvtHandler::OnRightClick(double x, double y, int keys, int attachment)
{
// Have to convert back to physical coordinates from logical coordinates.
int viewStartX, viewStartY;
int unitX, unitY;
GetShape()->GetCanvas()->GetViewStart(& viewStartX, & viewStartY);
GetShape()->GetCanvas()->GetScrollPixelsPerUnit(& unitX, & unitY);
int x1 = (int)(x * GetShape()->GetCanvas()->GetScaleX());
int y1 = (int)(y * GetShape()->GetCanvas()->GetScaleY());
int menuX = (int) (x1 - (viewStartX * unitX)) ;
int menuY = (int) (y1 - (viewStartY * unitY));
wxGetApp().GetShapeEditMenu()->SetClientData((char*) GetShape());
wxGetApp().GetShapeEditMenu()->Enable(ID_CS_ROTATE_CLOCKWISE, !GetShape()->IsKindOf(CLASSINFO(wxLineShape)));
wxGetApp().GetShapeEditMenu()->Enable(ID_CS_ROTATE_ANTICLOCKWISE, !GetShape()->IsKindOf(CLASSINFO(wxLineShape)));
GetShape()->GetCanvas()->PopupMenu(wxGetApp().GetShapeEditMenu(), menuX, menuY);
}
/*
* Implement connection of two shapes by right-dragging between them.
*/
void csEvtHandler::OnBeginDragRight(double x, double y, int keys, int attachment)
{
wxClientDC dc(GetShape()->GetCanvas());
GetShape()->GetCanvas()->PrepareDC(dc);
wxPen dottedPen(wxColour(0, 0, 0), 1, wxDOT);
dc.SetLogicalFunction(OGLRBLF);
dc.SetPen(dottedPen);
double xp, yp;
GetShape()->GetAttachmentPositionEdge(attachment, &xp, &yp);
dc.DrawLine(xp, yp, x, y);
GetShape()->GetCanvas()->CaptureMouse();
}
void csEvtHandler::OnDragRight(bool draw, double x, double y, int keys, int attachment)
{
wxClientDC dc(GetShape()->GetCanvas());
GetShape()->GetCanvas()->PrepareDC(dc);
wxPen dottedPen(wxColour(0, 0, 0), 1, wxDOT);
dc.SetLogicalFunction(OGLRBLF);
dc.SetPen(dottedPen);
double xp, yp;
GetShape()->GetAttachmentPositionEdge(attachment, &xp, &yp);
dc.DrawLine(xp, yp, x, y);
}
void csEvtHandler::OnEndDragRight(double x, double y, int keys, int attachment)
{
GetShape()->GetCanvas()->ReleaseMouse();
csCanvas *canvas = (csCanvas *)GetShape()->GetCanvas();
// Check if we're on an object
int new_attachment;
wxShape *otherShape = canvas->FindFirstSensitiveShape(x, y, &new_attachment, OP_DRAG_RIGHT);
if (otherShape && !otherShape->IsKindOf(CLASSINFO(wxLineShape)))
{
wxLineShape* theShape = new csLineShape;
theShape->AssignNewIds();
theShape->SetEventHandler(new csEvtHandler(theShape, theShape, wxString("")));
theShape->SetPen(wxBLACK_PEN);
theShape->SetBrush(wxRED_BRUSH);
wxToolBar* toolbar = wxGetApp().GetDiagramToolBar();
bool haveArrow = toolbar->GetToolState(DIAGRAM_TOOLBAR_LINE_ARROW);
wxLineShape *lineShape = (wxLineShape *)theShape;
// Yes, you can have more than 2 control points, in which case
// it becomes a multi-segment line.
lineShape->MakeLineControlPoints(2);
if (haveArrow)
lineShape->AddArrow(ARROW_ARROW, ARROW_POSITION_MIDDLE, 10.0, 0.0, "Normal arrowhead");
lineShape->SetFrom(GetShape());
lineShape->SetTo(otherShape);
lineShape->SetAttachments(attachment, new_attachment);
canvas->GetView()->GetDocument()->GetCommandProcessor()->Submit(
new csDiagramCommand("Line", (csDiagramDocument *)canvas->GetView()->GetDocument(),
new csCommandState(ID_CS_ADD_LINE, lineShape, NULL)));
}
}
static double g_DragOffsetX = 0.0;
static double g_DragOffsetY = 0.0;
static double g_DragStartX = 0.0;
static double g_DragStartY = 0.0;
void csEvtHandler::OnDragLeft(bool draw, double x, double y, int keys, int attachment)
{
if ((GetShape()->GetSensitivityFilter() & OP_DRAG_LEFT) != OP_DRAG_LEFT)
{
attachment = 0;
double dist;
if (GetShape()->GetParent())
{
GetShape()->GetParent()->HitTest(x, y, &attachment, &dist);
GetShape()->GetParent()->GetEventHandler()->OnDragLeft(draw, x, y, keys, attachment);
}
return;
}
wxClientDC dc(GetShape()->GetCanvas());
GetShape()->GetCanvas()->PrepareDC(dc);
dc.SetLogicalFunction(OGLRBLF);
wxPen dottedPen(wxColour(0, 0, 0), 1, wxDOT);
dc.SetPen(dottedPen);
dc.SetBrush(* wxTRANSPARENT_BRUSH);
double xx, yy;
xx = x + g_DragOffsetX;
yy = y + g_DragOffsetY;
GetShape()->GetCanvas()->Snap(&xx, &yy);
double offsetX = xx - g_DragStartX;
double offsetY = yy - g_DragStartY;
// m_xpos = xx; m_ypos = yy;
double w, h;
GetShape()->GetBoundingBoxMax(&w, &h);
GetShape()->GetEventHandler()->OnDrawOutline(dc, xx, yy, w, h);
// Draw bounding box for other selected shapes
wxNode* node = GetShape()->GetCanvas()->GetDiagram()->GetShapeList()->First();
while (node)
{
wxShape* shape = (wxShape*) node->Data();
if (shape->Selected() && !shape->IsKindOf(CLASSINFO(wxLineShape)) && (shape != GetShape()))
{
shape->GetBoundingBoxMax(&w, &h);
shape->OnDrawOutline(dc, shape->GetX() + offsetX, shape->GetY() + offsetY, w, h);
}
node = node->Next();
}
}
void csEvtHandler::OnBeginDragLeft(double x, double y, int keys, int attachment)
{
if ((GetShape()->GetSensitivityFilter() & OP_DRAG_LEFT) != OP_DRAG_LEFT)
{
attachment = 0;
double dist;
if (GetShape()->GetParent())
{
GetShape()->GetParent()->HitTest(x, y, &attachment, &dist);
GetShape()->GetParent()->GetEventHandler()->OnBeginDragLeft(x, y, keys, attachment);
}
return;
}
wxClientDC dc(GetShape()->GetCanvas());
GetShape()->GetCanvas()->PrepareDC(dc);
// New policy: don't erase shape until end of drag.
// Erase(dc);
g_DragOffsetX = GetShape()->GetX() - x;
g_DragOffsetY = GetShape()->GetY() - y;
double xx, yy;
xx = x + g_DragOffsetX;
yy = y + g_DragOffsetY;
GetShape()->GetCanvas()->Snap(&xx, &yy);
g_DragStartX = GetShape()->GetX();
g_DragStartY = GetShape()->GetY();
double offsetX = xx - g_DragStartX;
double offsetY = yy - g_DragStartY;
dc.SetLogicalFunction(OGLRBLF);
wxPen dottedPen(wxColour(0, 0, 0), 1, wxDOT);
dc.SetPen(dottedPen);
dc.SetBrush((* wxTRANSPARENT_BRUSH));
double w, h;
GetShape()->GetBoundingBoxMax(&w, &h);
GetShape()->GetEventHandler()->OnDrawOutline(dc, xx, yy, w, h);
// Draw bounding box for other selected shapes
wxNode* node = GetShape()->GetCanvas()->GetDiagram()->GetShapeList()->First();
while (node)
{
wxShape* shape = (wxShape*) node->Data();
if (shape->Selected() && !shape->IsKindOf(CLASSINFO(wxLineShape)) && (shape != GetShape()))
{
shape->GetBoundingBoxMax(&w, &h);
shape->OnDrawOutline(dc, shape->GetX() + offsetX, shape->GetY() + offsetY, w, h);
}
node = node->Next();
}
GetShape()->GetCanvas()->CaptureMouse();
}
void csEvtHandler::OnEndDragLeft(double x, double y, int keys, int attachment)
{
csCanvas *canvas = (csCanvas *)GetShape()->GetCanvas();
canvas->ReleaseMouse();
if ((GetShape()->GetSensitivityFilter() & OP_DRAG_LEFT) != OP_DRAG_LEFT)
{
attachment = 0;
double dist;
if (GetShape()->GetParent())
{
GetShape()->GetParent()->HitTest(x, y, &attachment, &dist);
GetShape()->GetParent()->GetEventHandler()->OnEndDragLeft(x, y, keys, attachment);
}
return;
}
wxClientDC dc(canvas);
canvas->PrepareDC(dc);
dc.SetLogicalFunction(wxCOPY);
double xx = x + g_DragOffsetX;
double yy = y + g_DragOffsetY;
canvas->Snap(&xx, &yy);
double offsetX = xx - g_DragStartX;
double offsetY = yy - g_DragStartY;
wxShape* newShape = GetShape()->CreateNewCopy();
newShape->SetX(xx);
newShape->SetY(yy);
csDiagramCommand* cmd = new csDiagramCommand("Move", (csDiagramDocument*)canvas->GetView()->GetDocument(),
new csCommandState(ID_CS_MOVE, newShape, GetShape()));
// Move line points
wxNode* node = GetShape()->GetCanvas()->GetDiagram()->GetShapeList()->First();
while (node)
{
wxShape* shape = (wxShape*) node->Data();
// Only move the line point(s) if both ends move too
if (shape->IsKindOf(CLASSINFO(wxLineShape)) &&
((wxLineShape*)shape)->GetTo()->Selected() && ((wxLineShape*)shape)->GetFrom()->Selected())
{
wxLineShape* lineShape = (wxLineShape*) shape;
if (lineShape->GetLineControlPoints()->Number() > 2)
{
wxLineShape* newLineShape = (wxLineShape*) lineShape->CreateNewCopy();
wxNode *node1 = newLineShape->GetLineControlPoints()->First();
while (node1)
{
wxRealPoint *point = (wxRealPoint *)node1->Data();
point->x += offsetX;
point->y += offsetY;
node1 = node1->Next();
}
cmd->AddState(new csCommandState(ID_CS_MOVE_LINE_POINT, newLineShape, lineShape));
lineShape->Erase(dc);
}
}
node = node->Next();
}
// Add other selected node shapes, if any
node = GetShape()->GetCanvas()->GetDiagram()->GetShapeList()->First();
while (node)
{
wxShape* shape = (wxShape*) node->Data();
if (shape->Selected() && !shape->IsKindOf(CLASSINFO(wxLineShape)) && (shape != GetShape()))
{
wxShape* newShape2 = shape->CreateNewCopy();
newShape2->SetX(shape->GetX() + offsetX);
newShape2->SetY(shape->GetY() + offsetY);
cmd->AddState(new csCommandState(ID_CS_MOVE, newShape2, shape));
}
node = node->Next();
}
canvas->GetView()->GetDocument()->GetCommandProcessor()->Submit(cmd);
}
void csEvtHandler::OnSizingEndDragLeft(wxControlPoint* pt, double x, double y, int keys, int attachment)
{
wxShape* shape = GetShape();
csCanvas *canvas = (csCanvas *)GetShape()->GetCanvas();
if (shape->IsKindOf(CLASSINFO(wxLineShape)))
{
// TODO: Do/Undo support for line operations
((wxLineShape*)shape)->wxLineShape::OnSizingEndDragLeft(pt, x, y, keys, attachment);
#if 0
wxLineShape* lineShape = (wxLineShape*) shape;
wxLineControlPoint* lpt = (wxLineControlPoint*) pt;
wxClientDC dc(canvas);
canvas->PrepareDC(dc);
shape->SetDisableLabel(FALSE);
if (lpt->m_type == CONTROL_POINT_LINE)
{
canvas->Snap(&x, &y);
dc.SetLogicalFunction(wxCOPY);
lpt->SetX(x); lpt->SetY(y);
lpt->m_point->x = x; lpt->m_point->y = y;
this->OnMoveLink(dc);
}
if (lpt->m_type == CONTROL_POINT_ENDPOINT_FROM)
{
if (lpt->m_oldCursor)
canvas->SetCursor(lpt->m_oldCursor);
lineShape->Erase(dc);
lpt->SetX(x); lpt->SetY(y);
if (lineShape->GetFrom())
{
lineShape->GetFrom()->MoveLineToNewAttachment(dc, lineShape, x, y);
}
}
if (lpt->m_type == CONTROL_POINT_ENDPOINT_TO)
{
if (lpt->m_oldCursor)
canvas->SetCursor(lpt->m_oldCursor);
lpt->SetX(x); lpt->SetY(y);
if (lineShape->GetTo())
{
lineShape->GetTo()->MoveLineToNewAttachment(dc, lineShape, x, y);
}
}
#endif
return;
}
wxClientDC dc(canvas);
canvas->PrepareDC(dc);
canvas->ReleaseMouse();
dc.SetLogicalFunction(wxCOPY);
// shape->Erase(dc);
/*
shape->Recompute();
shape->ResetControlPoints();
if (!pt->m_eraseObject)
shape->Show(FALSE);
*/
wxShape* newShape = shape->CreateNewCopy();
if (newShape->IsKindOf(CLASSINFO(wxPolygonShape)))
{
wxPolygonControlPoint* ppt = (wxPolygonControlPoint*) pt;
newShape->SetSize(ppt->GetNewSize().x, ppt->GetNewSize().y);
((wxPolygonShape *)newShape)->CalculateBoundingBox();
((wxPolygonShape *)newShape)->CalculatePolygonCentre();
newShape->ResetControlPoints();
}
else
{
newShape->SetSize(pt->sm_controlPointDragEndWidth, pt->sm_controlPointDragEndHeight);
if (shape->GetCentreResize())
{
// Old position is fine
}
else
{
newShape->SetX(pt->sm_controlPointDragPosX);
newShape->SetY(pt->sm_controlPointDragPosY);
}
}
csDiagramCommand* cmd = new csDiagramCommand("Size", (csDiagramDocument*)canvas->GetView()->GetDocument(),
new csCommandState(ID_CS_SIZE, newShape, shape));
canvas->GetView()->GetDocument()->GetCommandProcessor()->Submit(cmd);
}
void csEvtHandler::OnEndSize(double x, double y)
{
wxClientDC dc(GetShape()->GetCanvas());
GetShape()->GetCanvas()->PrepareDC(dc);
GetShape()->FormatText(dc, m_label);
}
void csEvtHandler::OnChangeAttachment(int attachment, wxLineShape* line, wxList& ordering)
{
csCanvas *canvas = (csCanvas *)GetShape()->GetCanvas();
// We actually submit two different states: one to change the ordering, and another
// to change the attachment for the line.
// Problem. If we refresh after the attachment change, we'll get a flicker.
// We really want to do both in a oner.
csDiagramCommand* cmd = new csDiagramCommand("Change attachment", (csDiagramDocument*)canvas->GetView()->GetDocument());
wxLineShape* newLine = (wxLineShape*) line->CreateNewCopy();
if (line->GetTo() == GetShape())
newLine->SetAttachmentTo(attachment);
else
newLine->SetAttachmentFrom(attachment);
cmd->AddState(new csCommandState(ID_CS_CHANGE_LINE_ATTACHMENT, newLine, line));
// Change ordering
wxShape* newShape = GetShape()->CreateNewCopy();
newShape->ApplyAttachmentOrdering(ordering);
cmd->AddState(new csCommandState(ID_CS_CHANGE_LINE_ORDERING, newShape, GetShape()));
canvas->GetView()->GetDocument()->GetCommandProcessor()->Submit(cmd);
}
void csEvtHandler::OnLeftDoubleClick(double x, double y, int keys, int attachment)
{
EditProperties();
}
// Popup up a property dialog
bool csEvtHandler::EditProperties()
{
wxShape* shape = GetShape();
// For now, no line property editing
if (shape->IsKindOf(CLASSINFO(wxLineShape)))
return FALSE;
csDiagramView* view = ((csCanvas*)shape->GetCanvas())->GetView();
wxPanel* attributeDialog;
wxString attributeDialogName;
wxString title;
if (shape->IsKindOf(CLASSINFO(csThinRectangleShape)))
{
attributeDialog = new csThinRectangleDialog;
attributeDialogName = "thin_rectangle";
title = "Thin Rectangle Properties";
}
else if (shape->IsKindOf(CLASSINFO(csWideRectangleShape)))
{
attributeDialog = new csWideRectangleDialog;
attributeDialogName = "wide_rectangle";
title = "Wide Rectangle Properties";
}
else if (shape->IsKindOf(CLASSINFO(csTriangleShape)))
{
attributeDialog = new csTriangleDialog;
attributeDialogName = "triangle";
title = "Triangle Properties";
}
else if (shape->IsKindOf(CLASSINFO(csSemiCircleShape)))
{
attributeDialog = new csSemiCircleDialog;
attributeDialogName = "semi_circle";
title = "Semicircle Properties";
}
else if (shape->IsKindOf(CLASSINFO(csCircleShape)))
{
attributeDialog = new csCircleDialog;
attributeDialogName = "circle";
title = "Circle Properties";
}
else if (shape->IsKindOf(CLASSINFO(csCircleShadowShape)))
{
attributeDialog = new csCircleShadowDialog;
attributeDialogName = "circle_shadow";
title = "Circle Shadow Properties";
}
else if (shape->IsKindOf(CLASSINFO(csTextBoxShape)))
{
attributeDialog = new csTextBoxDialog;
attributeDialogName = "text_box";
title = "Text Box Properties";
}
else if (shape->IsKindOf(CLASSINFO(csGroupShape)))
{
attributeDialog = new csGroupDialog;
attributeDialogName = "group";
title = "Group Properties";
}
else if (shape->IsKindOf(CLASSINFO(csOctagonShape)))
{
attributeDialog = new csOctagonDialog;
attributeDialogName = "octagon";
title = "Octagon Properties";
}
else
{
wxMessageBox("Unrecognised shape.", "Studio", wxICON_EXCLAMATION);
return FALSE;
}
csShapePropertiesDialog* dialog = new csShapePropertiesDialog(shape->GetCanvas()->GetParent(), title, attributeDialog, attributeDialogName);
dialog->GetGeneralPropertiesDialog()->SetShapeLabel(m_label);
if (dialog->ShowModal() == wxID_CANCEL)
{
dialog->Destroy();
return FALSE;
}
wxString newLabel = dialog->GetGeneralPropertiesDialog()->GetShapeLabel();
dialog->Destroy();
wxShape* newShape = shape->CreateNewCopy();
csEvtHandler* handler2 = (csEvtHandler *)newShape->GetEventHandler();
handler2->m_label = newLabel;
view->GetDocument()->GetCommandProcessor()->Submit(new csDiagramCommand("Edit properties", (csDiagramDocument*) view->GetDocument(),
new csCommandState(ID_CS_EDIT_PROPERTIES, newShape, shape)));
return TRUE;
}
/*
* Diagram
*/
bool csDiagram::OnShapeSave(wxExprDatabase& db, wxShape& shape, wxExpr& expr)
{
wxDiagram::OnShapeSave(db, shape, expr);
csEvtHandler *handler = (csEvtHandler *)shape.GetEventHandler();
expr.AddAttributeValueString("label", handler->m_label);
return TRUE;
}
bool csDiagram::OnShapeLoad(wxExprDatabase& db, wxShape& shape, wxExpr& expr)
{
wxDiagram::OnShapeLoad(db, shape, expr);
wxString label("");
expr.GetAttributeValue("label", label);
csEvtHandler *handler = new csEvtHandler(&shape, &shape, label);
shape.SetEventHandler(handler);
return TRUE;
}
IMPLEMENT_DYNAMIC_CLASS(csThinRectangleShape, wxDrawnShape)
csThinRectangleShape::csThinRectangleShape()
{
SetDrawnPen(wxBLACK_PEN);
wxBrush* brush = wxTheBrushList->FindOrCreateBrush(wxColour(220, 220, 220), wxSOLID);
SetDrawnBrush(brush);
double w = csSTANDARD_SHAPE_WIDTH/2;
double h = csSTANDARD_SHAPE_WIDTH;
DrawRectangle(wxRect(- w/2, - h/2, w, h));
CalculateSize();
SetAttachmentMode(ATTACHMENT_MODE_BRANCHING);
SetBranchStyle(BRANCHING_ATTACHMENT_NORMAL|BRANCHING_ATTACHMENT_BLOB);
SetCentreResize(FALSE);
}
IMPLEMENT_DYNAMIC_CLASS(csWideRectangleShape, wxDrawnShape)
csWideRectangleShape::csWideRectangleShape()
{
SetDrawnPen(wxBLACK_PEN);
wxBrush* brush = wxTheBrushList->FindOrCreateBrush(wxColour(220, 220, 220), wxSOLID);
SetDrawnBrush(brush);
double w = csSTANDARD_SHAPE_WIDTH;
double h = w/2.0;
DrawRoundedRectangle(wxRect(- w/2, - h/2, w, h), -0.3);
CalculateSize();
SetAttachmentMode(ATTACHMENT_MODE_BRANCHING);
SetBranchStyle(BRANCHING_ATTACHMENT_NORMAL|BRANCHING_ATTACHMENT_BLOB);
SetCentreResize(FALSE);
}
IMPLEMENT_DYNAMIC_CLASS(csTriangleShape, wxDrawnShape)
csTriangleShape::csTriangleShape()
{
SetDrawnPen(wxBLACK_PEN);
wxBrush* brush = wxTheBrushList->FindOrCreateBrush(wxColour(220, 220, 220), wxSOLID);
SetDrawnBrush(brush);
double w = csSTANDARD_SHAPE_WIDTH;
double h = (csSTANDARD_SHAPE_WIDTH*2.0)/3.0;
// Triangle, from top vertex
wxPoint* points = new wxPoint[3];
points[0] = wxPoint( 0 , - h / 2 );
points[1] = wxPoint( w / 2 , h / 2 );
points[2] = wxPoint( -w / 2, h / 2 );
DrawPolygon(3, points, oglMETAFLAGS_OUTLINE);
delete[] points;
// Add another triangle at the top for the black bit
SetDrawnBrush(wxBLACK_BRUSH);
points = new wxPoint[3];
// Calculate where the new points will be, using the proportions
// of the triangle.
double h1 = 8; // Height of little triangle.
/*
Formula: ((w/2) / h) = w1 / h1
w1 = ((w/2) / h) * h1;
*/
double ratio = ((w/2.0) / h) ;
double w1 = ratio * h1;
points[0] = wxPoint(0 , (int) (- h / 2 ));
points[1] = wxPoint( (int) w1, (int) (- h / 2 + h1));
points[2] = wxPoint( (int) -w1, (int) (- h / 2 + h1));
DrawPolygon(3, points);
delete[] points;
CalculateSize();
SetAttachmentMode(ATTACHMENT_MODE_BRANCHING);
SetBranchStyle(BRANCHING_ATTACHMENT_NORMAL|BRANCHING_ATTACHMENT_BLOB);
SetCentreResize(FALSE);
}
IMPLEMENT_DYNAMIC_CLASS(csSemiCircleShape, wxDrawnShape)
csSemiCircleShape::csSemiCircleShape()
{
// Zero degrees
DrawAtAngle(oglDRAWN_ANGLE_0);
double w = csSTANDARD_SHAPE_WIDTH;
double h = w/2.0;
SetDrawnPen(wxTRANSPARENT_PEN);
SetDrawnBrush(wxTRANSPARENT_BRUSH);
// Draw a dummy rectangle that will be used for calculating the
// bounding box, since we can't calculate the bounding box for
// an arbitrary arc (not implemented)
DrawRectangle(wxRect(-w/2.0, -h/2.0, w, h));
SetDrawnPen(wxBLACK_PEN);
wxBrush* brush = wxTheBrushList->FindOrCreateBrush(wxColour(220, 220, 220), wxSOLID);
SetDrawnBrush(brush);
DrawEllipticArc(wxRect(-w/2, -h/2, w, 2*h), 0.0, 180.0);
DrawLine(wxPoint(-w/2, h/2), wxPoint(w/2, h/2));
CalculateSize();
/// 90 degrees
w = csSTANDARD_SHAPE_WIDTH/2;
h = csSTANDARD_SHAPE_WIDTH;
DrawAtAngle(oglDRAWN_ANGLE_90);
SetDrawnPen(wxTRANSPARENT_PEN);
SetDrawnBrush(wxTRANSPARENT_BRUSH);
DrawRectangle(wxRect(-w/2, -h/2, w, h));
SetDrawnPen(wxBLACK_PEN);
SetDrawnBrush(brush);
DrawEllipticArc(wxRect(-w/2 - w, -h/2, 2*w, h), 270.0, 90.0);
DrawLine(wxPoint(-w/2, -h/2), wxPoint(-w/2, h/2));
CalculateSize();
/// 180 degrees
DrawAtAngle(oglDRAWN_ANGLE_180);
w = csSTANDARD_SHAPE_WIDTH;
h = csSTANDARD_SHAPE_WIDTH/2;
SetDrawnPen(wxTRANSPARENT_PEN);
SetDrawnBrush(wxTRANSPARENT_BRUSH);
DrawRectangle(wxRect(-w/2, -h/2, w, h));
SetDrawnPen(wxBLACK_PEN);
SetDrawnBrush(brush);
DrawEllipticArc(wxRect(-w/2, -h/2 - h, w, 2*h), 180.0, 0.0);
DrawLine(wxPoint(-w/2, -h/2), wxPoint(w/2, -h/2));
CalculateSize();
/// 270 degrees
DrawAtAngle(oglDRAWN_ANGLE_270);
w = csSTANDARD_SHAPE_WIDTH/2;
h = csSTANDARD_SHAPE_WIDTH;
SetDrawnPen(wxTRANSPARENT_PEN);
SetDrawnBrush(wxTRANSPARENT_BRUSH);
DrawRectangle(wxRect(-w/2, -h/2, w, h));
SetDrawnPen(wxBLACK_PEN);
SetDrawnBrush(brush);
DrawEllipticArc(wxRect(-w/2, -h/2, 2*w, h), 90.0, 270.0);
DrawLine(wxPoint(w/2, -h/2), wxPoint(w/2, h/2));
CalculateSize();
// Reset to zero
DrawAtAngle(oglDRAWN_ANGLE_0);
CalculateSize();
SetAttachmentMode(ATTACHMENT_MODE_BRANCHING);
SetBranchStyle(BRANCHING_ATTACHMENT_NORMAL|BRANCHING_ATTACHMENT_BLOB);
SetCentreResize(FALSE);
}
IMPLEMENT_DYNAMIC_CLASS(csCircleShape, wxCircleShape)
csCircleShape::csCircleShape()
{
SetPen(wxBLACK_PEN);
wxBrush* brush = wxTheBrushList->FindOrCreateBrush(wxColour(220, 220, 220), wxSOLID);
SetBrush(brush);
SetSize(csSTANDARD_SHAPE_WIDTH*0.6, csSTANDARD_SHAPE_WIDTH*0.6);
SetAttachmentMode(ATTACHMENT_MODE_BRANCHING);
SetBranchStyle(BRANCHING_ATTACHMENT_NORMAL|BRANCHING_ATTACHMENT_BLOB);
SetCentreResize(FALSE);
}
IMPLEMENT_DYNAMIC_CLASS(csCircleShadowShape, wxCircleShape)
csCircleShadowShape::csCircleShadowShape()
{
SetPen(wxBLACK_PEN);
wxBrush* brush = wxTheBrushList->FindOrCreateBrush(wxColour(220, 220, 220), wxSOLID);
SetBrush(brush);
SetSize(csSTANDARD_SHAPE_WIDTH*0.6, csSTANDARD_SHAPE_WIDTH*0.6);
SetAttachmentMode(ATTACHMENT_MODE_BRANCHING);
SetBranchStyle(BRANCHING_ATTACHMENT_NORMAL|BRANCHING_ATTACHMENT_BLOB);
SetCentreResize(FALSE);
SetShadowMode(SHADOW_RIGHT);
}
IMPLEMENT_DYNAMIC_CLASS(csOctagonShape, wxPolygonShape)
csOctagonShape::csOctagonShape()
{
SetPen(wxBLACK_PEN);
SetBrush(wxTheBrushList->FindOrCreateBrush(wxColour(220, 220, 220), wxSOLID));
double w = csSTANDARD_SHAPE_WIDTH*0.5;
double h = csSTANDARD_SHAPE_WIDTH*0.5;
double prop = h/3.0;
wxList* points = new wxList;
points->Append((wxObject*) new wxRealPoint(-w/2.0 + prop, -h/2.0));
points->Append((wxObject*) new wxRealPoint(w/2.0 - prop, -h/2.0));
points->Append((wxObject*) new wxRealPoint(w/2.0, -h/2.0 + prop));
points->Append((wxObject*) new wxRealPoint(w/2.0, h/2.0 - prop));
points->Append((wxObject*) new wxRealPoint(w/2.0 - prop, h/2.0));
points->Append((wxObject*) new wxRealPoint(-w/2.0 + prop, h/2.0));
points->Append((wxObject*) new wxRealPoint(-w/2.0, h/2.0 - prop));
points->Append((wxObject*) new wxRealPoint(-w/2.0, -h/2.0 + prop));
Create(points);
SetAttachmentMode(ATTACHMENT_MODE_BRANCHING);
SetBranchStyle(BRANCHING_ATTACHMENT_NORMAL|BRANCHING_ATTACHMENT_BLOB);
SetCentreResize(FALSE);
}
// This is a transparent shape for drawing around other shapes.
IMPLEMENT_DYNAMIC_CLASS(csGroupShape, wxRectangleShape)
csGroupShape::csGroupShape()
{
SetPen(wxThePenList->FindOrCreatePen("BLACK", 1, wxDOT));
SetBrush(wxTRANSPARENT_BRUSH);
SetSize(csSTANDARD_SHAPE_WIDTH, csSTANDARD_SHAPE_WIDTH);
SetCentreResize(FALSE);
}
void csGroupShape::OnDraw(wxDC& dc)
{
wxRectangleShape::OnDraw(dc);
}
// Must modify the hit-test so it doesn't obscure shapes that are inside.
bool csGroupShape::HitTest(double x, double y, int* attachment, double* distance)
{
*attachment = 0;
*distance = 0.0;
double width = 0.0, height = 0.0;
GetBoundingBoxMin(&width, &height);
double x1 = GetX() - (width/2.0);
double y1 = GetY() - (height/2.0);
double x2 = GetX() + (width/2.0);
double y2 = GetY() + (height/2.0);
double edgeTolerance = 4.0;
// Test each edge in turn
// Top/bottom edges
if (x >= x1 && x <= x2)
{
if ((y >= y1 - edgeTolerance) && (y <= y1 + edgeTolerance))
return TRUE;
if ((y <= y2 + edgeTolerance) && (y >= y2 - edgeTolerance))
return TRUE;
}
// Left/right edges
if (y >= y1 && y <= y2)
{
if ((x >= x1 - edgeTolerance) && (x <= x1 + edgeTolerance))
return TRUE;
if ((x <= x2 + edgeTolerance) && (x >= x2 - edgeTolerance))
return TRUE;
}
return FALSE;
}
IMPLEMENT_DYNAMIC_CLASS(csTextBoxShape, wxRectangleShape)
csTextBoxShape::csTextBoxShape()
{
SetPen(wxTRANSPARENT_PEN);
SetBrush(wxTRANSPARENT_BRUSH);
SetSize(csSTANDARD_SHAPE_WIDTH, csSTANDARD_SHAPE_WIDTH/2.0);
SetAttachmentMode(ATTACHMENT_MODE_NONE);
SetBranchStyle(BRANCHING_ATTACHMENT_NORMAL|BRANCHING_ATTACHMENT_BLOB);
SetCentreResize(FALSE);
}
IMPLEMENT_DYNAMIC_CLASS(csLineShape, wxLineShape)
csLineShape::csLineShape()
{
}
bool csLineShape::OnMoveMiddleControlPoint(wxDC& dc, wxLineControlPoint* lpt, const wxRealPoint& pt)
{
csDiagramView* view = ((csCanvas*)GetCanvas())->GetView();
// Temporarily set the new shape properties so we can copy it
lpt->SetX(pt.x); lpt->SetY(pt.y);
lpt->m_point->x = pt.x; lpt->m_point->y = pt.y;
wxLineShape* newShape = (wxLineShape*) this->CreateNewCopy();
// Now set them back again
lpt->SetX(lpt->m_originalPos.x); lpt->SetY(lpt->m_originalPos.y);
lpt->m_point->x = lpt->m_originalPos.x; lpt->m_point->y = lpt->m_originalPos.y;
view->GetDocument()->GetCommandProcessor()->Submit(new csDiagramCommand("Move line point", (csDiagramDocument*) view->GetDocument(),
new csCommandState(ID_CS_MOVE_LINE_POINT, newShape, this)));
return TRUE;
}
wxLabelShape* csLineShape::OnCreateLabelShape(wxLineShape *parent, wxShapeRegion *region, double w, double h)
{
return new csLabelShape(parent, region, w, h);
}
#if 0
bool csLineShape::OnLabelMovePre(wxDC& dc, wxLabelShape* labelShape, double x, double y, double old_x, double old_y, bool display)
{
csDiagramView* view = ((csCanvas*)GetCanvas())->GetView();
wxLineShape* newShape = (wxLineShape*) this->CreateNewCopy();
wxLineShape::OnLabelMovePre(dc, labelShape, x, y, old_x, old_y, display);
view->GetDocument()->GetCommandProcessor()->Submit(new csDiagramCommand("Move label", (csDiagramDocument*) view->GetDocument(),
new csCommandState(ID_CS_MOVE_LABEL, newShape, this)));
return TRUE;
}
#endif
IMPLEMENT_DYNAMIC_CLASS(csLabelShape, wxLabelShape)
csLabelShape::csLabelShape(wxLineShape *parent, wxShapeRegion *region, double w, double h):
wxLabelShape(parent, region, w, h)
{
}
// TODO: not sure how intercept normal behaviour (OnMovePre) to make
// label movement undo-able.
void csLabelShape::OnEndDragLeft(double x, double y, int keys, int attachment)
{
wxLabelShape::OnEndDragLeft(x, y, keys, attachment);
}
// Menu for editing shapes
void studioShapeEditProc(wxMenu& menu, wxCommandEvent& event)
{
wxShape* shape = (wxShape*) menu.GetClientData();
csDiagramView* view = ((csCanvas*)shape->GetCanvas())->GetView();
switch (event.GetId())
{
case ID_CS_EDIT_PROPERTIES:
{
csEvtHandler* handler1 = (csEvtHandler *)shape->GetEventHandler();
handler1->EditProperties();
#if 0
csEvtHandler* handler1 = (csEvtHandler *)shape->GetEventHandler();
csLabelEditingDialog* dialog = new csLabelEditingDialog(shape->GetCanvas()->GetParent());
dialog->SetShapeLabel(handler1->m_label);
if (dialog->ShowModal() == wxID_CANCEL)
{
dialog->Destroy();
return;
}
wxString newLabel = dialog->GetShapeLabel();
dialog->Destroy();
wxShape* newShape = shape->CreateNewCopy();
csEvtHandler* handler2 = (csEvtHandler *)newShape->GetEventHandler();
handler2->m_label = newLabel;
view->GetDocument()->GetCommandProcessor()->Submit(new csDiagramCommand("Edit label", (csDiagramDocument*) view->GetDocument(),
new csCommandState(ID_CS_EDIT_LABEL, newShape, shape)));
#endif
break;
}
case wxID_CUT:
{
wxList list;
list.Append(shape);
view->DoCut(list);
break;
}
case ID_CS_ROTATE_CLOCKWISE:
case ID_CS_ROTATE_ANTICLOCKWISE:
{
if (shape->IsKindOf(CLASSINFO(wxLineShape)))
break;
double theta = shape->GetRotation();
const double myPi = 3.1415926535897932384626433832795 ;
double ninetyDegrees = myPi/2.0;
wxString opStr;
if (event.GetId() == ID_CS_ROTATE_CLOCKWISE)
{
theta += ninetyDegrees;
opStr = "Rotate clockwise";
}
else
{
theta -= ninetyDegrees;
opStr = "Rotate anticlockwise";
}
if (theta >= 2.0*myPi || theta < 0.0)
theta = 0.0;
wxShape* newShape = shape->CreateNewCopy();
newShape->Rotate(0.0, 0.0, theta);
wxList newShapes;
wxList oldShapes;
newShapes.Append(newShape);
oldShapes.Append(shape);
view->DoCmd(newShapes, oldShapes, event.GetId(), opStr);
break;
}
default:
break;
}
}
BEGIN_EVENT_TABLE(ShapeEditMenu, wxMenu)
EVT_COMMAND_RANGE(1, 65000, wxEVT_COMMAND_MENU_SELECTED, ShapeEditMenu::OnCommand)
END_EVENT_TABLE()
void ShapeEditMenu::OnCommand(wxCommandEvent& event)
{
studioShapeEditProc(*this, event);
}
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