From 1b5e5271ae41e3ab4e2d352118e66ccafc608a6f Mon Sep 17 00:00:00 2001
From: Martin Owens <doctormo@gmail.com>
Date: Thu, 10 Dec 2015 00:43:23 -0500
Subject: Remove CtrlPoint and replace with SPKnot

(bzr r14523)
---
 src/display/guideline.cpp | 49 +++++++++++++++++++++++++++++------------------
 1 file changed, 30 insertions(+), 19 deletions(-)

(limited to 'src/display/guideline.cpp')

diff --git a/src/display/guideline.cpp b/src/display/guideline.cpp
index 4b7ea59ab..820a61d4d 100644
--- a/src/display/guideline.cpp
+++ b/src/display/guideline.cpp
@@ -17,7 +17,7 @@
 #include <2geom/coord.h>
 #include <2geom/transforms.h>
 #include "sp-canvas-util.h"
-#include "sp-ctrlpoint.h"
+#include "knot.h"
 #include "guideline.h"
 #include "display/cairo-utils.h"
 
@@ -25,6 +25,7 @@
 #include "desktop.h"
 #include "sp-namedview.h"
 #include "display/sp-canvas.h"
+#include "display/sodipodi-ctrl.h"
 #include "ui/control-manager.h"
 
 using Inkscape::ControlManager;
@@ -36,6 +37,7 @@ static void sp_guideline_render(SPCanvasItem *item, SPCanvasBuf *buf);
 
 static double sp_guideline_point(SPCanvasItem *item, Geom::Point p, SPCanvasItem **actual_item);
 
+static gboolean sp_guideline_origin_move(SPKnot *knot, Geom::Point *position, guint state, SPGuideLine *data);
 static void sp_guideline_drawline (SPCanvasBuf *buf, gint x0, gint y0, gint x1, gint y1, guint32 rgba);
 
 G_DEFINE_TYPE(SPGuideLine, sp_guideline, SP_TYPE_CANVAS_ITEM);
@@ -72,8 +74,8 @@ static void sp_guideline_destroy(SPCanvasItem *object)
 
     SPGuideLine *gl = SP_GUIDELINE(object);
 
-    if (gl->origin != NULL && SP_IS_CTRLPOINT(gl->origin)) {
-        sp_canvas_item_destroy(gl->origin);
+    if (gl->origin != NULL && SP_IS_KNOT(gl->origin)) {
+        knot_unref(gl->origin);
     } else {
         // FIXME: This branch shouldn't be reached (although it seems to be harmless).
         //g_error("Why can it be that gl->origin is not a valid SPCtrlPoint?\n");
@@ -179,14 +181,16 @@ static void sp_guideline_update(SPCanvasItem *item, Geom::Affine const &affine,
     gl->affine = affine;
 
     if (gl->locked) {
-      sp_ctrlpoint_set_circle(gl->origin, false);
-      sp_ctrlpoint_set_lenght(gl->origin, 6);
+      gl->origin->setStroke(0x0000ff88, 0x0000ff88, 0x0000ff88);
+      gl->origin->setShape(SP_CTRL_SHAPE_CROSS);
+      gl->origin->setSize(6);
     } else {
-      sp_ctrlpoint_set_circle(gl->origin, true);
-      sp_ctrlpoint_set_lenght(gl->origin, 4);
+      gl->origin->setStroke(0xff000088, 0xff0000ff, 0xff0000ff);
+      gl->origin->setShape(SP_CTRL_SHAPE_CIRCLE);
+      gl->origin->setSize(4);
     }
-    sp_ctrlpoint_set_coords(gl->origin, gl->point_on_line);
-    sp_canvas_item_request_update(SP_CANVAS_ITEM (gl->origin));
+    gl->origin->moveto(gl->point_on_line);
+    gl->origin->updateCtrl();
     
     Geom::Point pol_transformed = gl->point_on_line*affine;
     if (gl->is_horizontal()) {
@@ -219,12 +223,15 @@ static double sp_guideline_point(SPCanvasItem *item, Geom::Point p, SPCanvasItem
 SPCanvasItem *sp_guideline_new(SPCanvasGroup *parent, char* label, Geom::Point point_on_line, Geom::Point normal)
 {
     SPCanvasItem *item = sp_canvas_item_new(parent, SP_TYPE_GUIDELINE, NULL);
-    SPCanvasItem *origin = ControlManager::getManager().createControl(parent, Inkscape::CTRL_TYPE_ORIGIN);
-    ControlManager::getManager().track(origin);
-
     SPGuideLine *gl = SP_GUIDELINE(item);
-    SPCtrlPoint *cp = SP_CTRLPOINT(origin);
-    gl->origin = cp;
+    gl->origin = new SPKnot(SP_ACTIVE_DESKTOP, "No tip yet!! XXX");
+
+    gl->origin->setAnchor(SP_ANCHOR_CENTER);
+    gl->origin->setMode(SP_CTRL_MODE_COLOR);
+    gl->origin->setFill(0xffffff80, 0xffffffff, 0xffffff80);
+    gl->origin->moveto(point_on_line);
+    gl->origin->request_signal.connect(sigc::bind(sigc::ptr_fun(sp_guideline_origin_move), gl));
+    gl->origin->updateCtrl();
 
     normal.normalize();
     gl->label = label;
@@ -233,11 +240,18 @@ SPCanvasItem *sp_guideline_new(SPCanvasGroup *parent, char* label, Geom::Point p
     gl->angle = tan( -gl->normal_to_line[Geom::X] / gl->normal_to_line[Geom::Y]);
     sp_guideline_set_position(gl, point_on_line);
 
-    sp_ctrlpoint_set_coords(cp, point_on_line);
-
     return item;
 }
 
+static gboolean sp_guideline_origin_move(SPKnot *knot, Geom::Point *position, guint state, SPGuideLine *gl)
+{
+    if(gl->locked) {
+        return true;
+    }
+    sp_guideline_set_position(gl, *position);
+    return false;
+}
+
 void sp_guideline_set_label(SPGuideLine *gl, const char* label)
 {
     if (gl->label) {
@@ -271,8 +285,6 @@ void sp_guideline_set_normal(SPGuideLine *gl, Geom::Point normal_to_line)
 void sp_guideline_set_color(SPGuideLine *gl, unsigned int rgba)
 {
     gl->rgba = rgba;
-    sp_ctrlpoint_set_color(gl->origin, rgba);
-
     sp_canvas_item_request_update(SP_CANVAS_ITEM(gl));
 }
 
@@ -283,7 +295,6 @@ void sp_guideline_set_sensitive(SPGuideLine *gl, int sensitive)
 
 void sp_guideline_delete(SPGuideLine *gl)
 {
-    //gtk_object_destroy(GTK_OBJECT(gl->origin));
     sp_canvas_item_destroy(SP_CANVAS_ITEM(gl));
 }
 
-- 
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