]> Shamusworld >> Repos - architektonas/blobdiff - src/drawingview.cpp
Fixed Container loading, informative display.
[architektonas] / src / drawingview.cpp
index 8f689a80bd0e33cd2ef3000ba7bff14fea6d5c59..838d45aae4f62e59827d082a9c6b34eb8c6eca18 100644 (file)
@@ -34,9 +34,6 @@
 #include "arc.h"
 #include "circle.h"
 #include "dimension.h"
-#include "drawcircleaction.h"
-#include "drawdimensionaction.h"
-#include "drawlineaction.h"
 #include "line.h"
 #include "painter.h"
 
@@ -50,7 +47,7 @@ DrawingView::DrawingView(QWidget * parent/*= NULL*/): QWidget(parent),
        gridBackground(BACKGROUND_MAX_SIZE, BACKGROUND_MAX_SIZE),
        scale(1.0), offsetX(-10), offsetY(-10),
        document(Vector(0, 0)),
-       gridSpacing(12.0), gridPixels(0), collided(false), rotateTool(false),
+       /*gridSpacing(12.0),*/ gridPixels(0), collided(false), rotateTool(false),
        rx(150.0), ry(150.0),
        scrollDrag(false), addLineTool(false), addCircleTool(false),
        addDimensionTool(false),
@@ -60,6 +57,7 @@ DrawingView::DrawingView(QWidget * parent/*= NULL*/): QWidget(parent),
        setBackgroundRole(QPalette::Base);
        setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Expanding);
 
+       Object::gridSpacing = 12.0;
 //     toolPalette = new ToolWindow();
 //     CreateCursors();
 //     setCursor(cur[TOOLSelect]);
@@ -124,25 +122,11 @@ Painter::zoom *and* size. Same with the dimension text; it's drawn at 10pt and
 scaled the same way as the arrowheads.
 
 Need a way to scale line widths as well. :-/ Shouldn't be too difficult, just
-need a thickness parameter similar to the "size" param for dimensions.
+need a thickness parameter similar to the "size" param for dimensions. (And now
+we do! :-)
 
 */
-#if 0
-       QPainter pmp(&gridBackground);
-       pmp.fillRect(0, 0, BACKGROUND_MAX_SIZE, BACKGROUND_MAX_SIZE, QColor(240, 240, 240));
-       pmp.setPen(QPen(QColor(210, 210, 255), 2.0, Qt::SolidLine));
-
-       for(int i=0; i<(BACKGROUND_MAX_SIZE-1); i+=12)
-       {
-               pmp.drawLine(i, 0, i, BACKGROUND_MAX_SIZE - 1);
-               pmp.drawLine(0, i, BACKGROUND_MAX_SIZE - 1, i);
-       }
-
-       pmp.end();
-       UpdateGridBackground();
-#else
        SetGridSize(12);
-#endif
 }
 
 
@@ -153,43 +137,14 @@ void DrawingView::SetRotateToolActive(bool state/*= true*/)
 }
 
 
-void DrawingView::SetAddLineToolActive(bool state/*= true*/)
-{
-       if (state)
-       {
-               toolAction = new DrawLineAction();
-               connect(toolAction, SIGNAL(ObjectReady(Object *)), this,
-                       SLOT(AddNewObjectToDocument(Object *)));
-       }
-
-       update();
-//printf("DrawingView::SetAddLineToolActive(). toolAction=%08X\n", toolAction);
-}
-
-
-void DrawingView::SetAddCircleToolActive(bool state/*= true*/)
-{
-       if (state)
-       {
-               toolAction = new DrawCircleAction();
-               connect(toolAction, SIGNAL(ObjectReady(Object *)), this,
-                       SLOT(AddNewObjectToDocument(Object *)));
-       }
-
-       update();
-}
-
-
-void DrawingView::SetAddDimensionToolActive(bool state/*= true*/)
+void DrawingView::SetToolActive(Action * action)
 {
-       if (state)
+       if (action != NULL)
        {
-               toolAction = new DrawDimensionAction();
+               toolAction = action;
                connect(toolAction, SIGNAL(ObjectReady(Object *)), this,
                        SLOT(AddNewObjectToDocument(Object *)));
        }
-
-       update();
 }
 
 
@@ -214,7 +169,8 @@ void DrawingView::SetGridSize(uint32_t size)
        pmp.end();
 
        // Set up new BG brush & zoom level (pixels per base unit)
-       Painter::zoom = gridPixels / gridSpacing;
+//     Painter::zoom = gridPixels / gridSpacing;
+       Painter::zoom = gridPixels / Object::gridSpacing;
        UpdateGridBackground();
 }
 
@@ -328,6 +284,28 @@ QPoint DrawingView::GetAdjustedClientPosition(int x, int y)
 }
 
 
+#if 0
+//
+// This looks strange, but it's really quite simple: We want a point that's
+// more than half-way to the next grid point to snap there while conversely we
+// want a point that's less than half-way to to the next grid point then snap
+// to the one before it. So we add half of the grid spacing to the point, then
+// divide by it so that we can remove the fractional part, then multiply it
+// back to get back to the correct answer.
+//
+Vector DrawingView::SnapPointToGrid(Vector point)
+{
+       point += gridSpacing / 2.0;             // *This* adds to Z!!!
+       point /= gridSpacing;
+       point.x = floor(point.x);//need to fix this for negative numbers...
+       point.y = floor(point.y);
+       point.z = 0;                                    // Make *sure* Z doesn't go anywhere!!!
+       point *= gridSpacing;
+       return point;
+}
+#endif
+
+
 void DrawingView::paintEvent(QPaintEvent * /*event*/)
 {
        QPainter qtPainter(this);
@@ -363,7 +341,12 @@ void DrawingView::paintEvent(QPaintEvent * /*event*/)
        document.Draw(&painter);
 
        if (toolAction)
+       {
+//             painter.SetPen(QPen(Qt::green, 1.0, Qt::DashLine));
+               painter.SetPen(QPen(QColor(200, 100, 0, 255), 1.0, Qt::DashLine));
+               painter.DrawCrosshair(oldPoint);
                toolAction->Draw(&painter);
+       }
 
        if (Object::selectionInProgress)
        {
@@ -388,13 +371,34 @@ void DrawingView::mousePressEvent(QMouseEvent * event)
        if (event->button() == Qt::LeftButton)
        {
                Vector point = Painter::QtToCartesianCoords(Vector(event->x(), event->y()));
+
+// Problem with this: Can't select stuff very well with the snap grid on.
+// Completely screws things up, as sometimes things don't fall on the grid.
+/*
+So, how to fix this? Have the Object check itself?
+Maybe we can fix this by having the initial point not be snapped, but when there's
+a drag, we substitute the snapped point 'oldPoint' which the Object keeps track of
+internally to know how far it was dragged...
+
+Now we do... :-/
+*/
+#if 0
+               if (Object::snapToGrid)
+                       point = Object::SnapPointToGrid(point);
+#endif
+
                collided = document.Collided(point);
 
                if (collided)
                        update();       // Do an update if collided with at least *one* object in the document
 
                if (toolAction)
+               {
+                       if (Object::snapToGrid)
+                               point = Object::SnapPointToGrid(point);
+
                        toolAction->MouseDown(point);
+               }
 
                // Didn't hit any object and not using a tool, so do a selection rectangle
                if (!(collided || toolAction))
@@ -436,27 +440,12 @@ void DrawingView::mouseMoveEvent(QMouseEvent * event)
        }
 
        // Grid processing...
-#if 1
-       // This looks strange, but it's really quite simple: We want a point that's
-       // more than half-way to the next grid point to snap there while conversely
-       // we want a point that's less than half-way to to the next grid point then
-       // snap to the one before it. So we add half of the grid spacing to the
-       // point, then divide by it so that we can remove the fractional part, then
-       // multiply it back to get back to the correct answer.
-       if (event->buttons() & Qt::LeftButton)
+       if ((event->buttons() & Qt::LeftButton) && Object::snapToGrid)
        {
-               point += gridSpacing / 2.0;                                     // *This* adds to Z!!!
-               point /= gridSpacing;
-//200% is ok, gridSpacing = 6 in this case...
-//won't run into problems until gridSpacing = 1.5 (zoom = 800%)
-//run into problems with this approach: when zoom level is 200% this truncates to
-//integers, which is *not* what's wanted here...
-               point.x = floor(point.x);//need to fix this for negative numbers...
-               point.y = floor(point.y);
-               point.z = 0;                                                            // Make *sure* Z doesn't go anywhere!!!
-               point *= gridSpacing;
+               point = Object::SnapPointToGrid(point);
        }
-#endif
+
+       oldPoint = point;
 //we should keep track of the last point here and only pass this down *if* the point
 //changed...
        document.PointerMoved(point);
@@ -466,6 +455,12 @@ void DrawingView::mouseMoveEvent(QMouseEvent * event)
 
        if (toolAction)
        {
+               if (Object::snapToGrid)
+               {
+                       point = Object::SnapPointToGrid(point);
+                       oldPoint = point;
+               }
+
                toolAction->MouseMoved(point);
                update();
        }