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diff --git a/src/spiral-context.cpp b/src/spiral-context.cpp
index 9944e86b4a99d76a77754acc257d34465e6fe2e7..75488519273826d5040bac4f35714e9e042aed0b 100644 (file)
--- a/src/spiral-context.cpp
+++ b/src/spiral-context.cpp
-#define __SP_SPIRAL_CONTEXT_C__
-
/*
* Spiral drawing context
*
* Mitsuru Oka
* Lauris Kaplinski <lauris@kaplinski.com>
* bulia byak <buliabyak@users.sf.net>
+ * Jon A. Cruz <jon@joncruz.org>
+ * Abhishek Sharma
*
* Copyright (C) 1999-2001 Lauris Kaplinski
* Copyright (C) 2001-2002 Mitsuru Oka
#include "sp-namedview.h"
#include "selection.h"
#include "desktop-handles.h"
-#include "desktop-affine.h"
#include "snap.h"
#include "desktop.h"
#include "desktop-style.h"
#include "xml/node-event-vector.h"
#include "preferences.h"
#include "context-fns.h"
+#include "shape-editor.h"
+
+using Inkscape::DocumentUndo;
static void sp_spiral_context_class_init(SPSpiralContextClass * klass);
static void sp_spiral_context_init(SPSpiralContext *spiral_context);
static void sp_spiral_context_dispose(GObject *object);
static void sp_spiral_context_setup(SPEventContext *ec);
+static void sp_spiral_context_finish(SPEventContext *ec);
static void sp_spiral_context_set(SPEventContext *ec, Inkscape::Preferences::Entry *val);
static gint sp_spiral_context_root_handler(SPEventContext *event_context, GdkEvent *event);
static void sp_spiral_drag(SPSpiralContext *sc, Geom::Point p, guint state);
static void sp_spiral_finish(SPSpiralContext *sc);
+static void sp_spiral_cancel(SPSpiralContext *sc);
static SPEventContextClass *parent_class;
object_class->dispose = sp_spiral_context_dispose;
event_context_class->setup = sp_spiral_context_setup;
+ event_context_class->finish = sp_spiral_context_finish;
event_context_class->set = sp_spiral_context_set;
event_context_class->root_handler = sp_spiral_context_root_handler;
}
event_context->within_tolerance = false;
event_context->item_to_select = NULL;
- event_context->shape_repr = NULL;
- event_context->shape_knot_holder = NULL;
-
spiral_context->item = NULL;
spiral_context->revo = 3.0;
new (&spiral_context->sel_changed_connection) sigc::connection();
}
+static void sp_spiral_context_finish(SPEventContext *ec)
+{
+ SPSpiralContext *sc = SP_SPIRAL_CONTEXT(ec);
+ SPDesktop *desktop = ec->desktop;
+
+ sp_canvas_item_ungrab(SP_CANVAS_ITEM(desktop->acetate), GDK_CURRENT_TIME);
+ sp_spiral_finish(sc);
+ sc->sel_changed_connection.disconnect();
+
+ if (((SPEventContextClass *) parent_class)->finish) {
+ ((SPEventContextClass *) parent_class)->finish(ec);
+ }
+}
+
static void
sp_spiral_context_dispose(GObject *object)
{
sc->sel_changed_connection.disconnect();
sc->sel_changed_connection.~connection();
+ delete ec->shape_editor;
+ ec->shape_editor = NULL;
+
/* fixme: This is necessary because we do not grab */
if (sc->item) sp_spiral_finish(sc);
- if (ec->shape_knot_holder) {
- delete ec->shape_knot_holder;
- ec->shape_knot_holder = NULL;
- }
-
- if (ec->shape_repr) { // remove old listener
- sp_repr_remove_listener_by_data(ec->shape_repr, ec);
- Inkscape::GC::release(ec->shape_repr);
- ec->shape_repr = 0;
- }
-
if (sc->_message_context) {
delete sc->_message_context;
}
G_OBJECT_CLASS(parent_class)->dispose(object);
}
-static Inkscape::XML::NodeEventVector ec_shape_repr_events = {
- NULL, /* child_added */
- NULL, /* child_removed */
- ec_shape_event_attr_changed,
- NULL, /* content_changed */
- NULL /* order_changed */
-};
-
/**
\brief Callback that processes the "changed" signal on the selection;
destroys old and creates new knotholder
@@ -166,27 +166,9 @@ sp_spiral_context_selection_changed(Inkscape::Selection *selection, gpointer dat
SPSpiralContext *sc = SP_SPIRAL_CONTEXT(data);
SPEventContext *ec = SP_EVENT_CONTEXT(sc);
- if (ec->shape_knot_holder) { // desktroy knotholder
- delete ec->shape_knot_holder;
- ec->shape_knot_holder = NULL;
- }
-
- if (ec->shape_repr) { // remove old listener
- sp_repr_remove_listener_by_data(ec->shape_repr, ec);
- Inkscape::GC::release(ec->shape_repr);
- ec->shape_repr = 0;
- }
-
+ ec->shape_editor->unset_item(SH_KNOTHOLDER);
SPItem *item = selection->singleItem();
- if (item) {
- ec->shape_knot_holder = sp_item_knot_holder(item, ec->desktop);
- Inkscape::XML::Node *shape_repr = SP_OBJECT_REPR(item);
- if (shape_repr) {
- ec->shape_repr = shape_repr;
- Inkscape::GC::anchor(shape_repr);
- sp_repr_add_listener(shape_repr, &ec_shape_repr_events, ec);
- }
- }
+ ec->shape_editor->set_item(item, SH_KNOTHOLDER);
}
static void
sp_event_context_read(ec, "revolution");
sp_event_context_read(ec, "t0");
- Inkscape::Selection *selection = sp_desktop_selection(ec->desktop);
+ ec->shape_editor = new ShapeEditor(ec->desktop);
- SPItem *item = selection->singleItem();
+ SPItem *item = sp_desktop_selection(ec->desktop)->singleItem();
if (item) {
- ec->shape_knot_holder = sp_item_knot_holder(item, ec->desktop);
- Inkscape::XML::Node *shape_repr = SP_OBJECT_REPR(item);
- if (shape_repr) {
- ec->shape_repr = shape_repr;
- Inkscape::GC::anchor(shape_repr);
- sp_repr_add_listener(shape_repr, &ec_shape_repr_events, ec);
- }
+ ec->shape_editor->set_item(item, SH_KNOTHOLDER);
}
+ Inkscape::Selection *selection = sp_desktop_selection(ec->desktop);
sc->sel_changed_connection.disconnect();
sc->sel_changed_connection = selection->connectChanged(sigc::bind(sigc::ptr_fun(&sp_spiral_context_selection_changed), (gpointer)sc));
SnapManager &m = desktop->namedview->snap_manager;
m.setup(desktop);
- Geom::Point pt2g = to_2geom(sc->center);
- m.freeSnapReturnByRef(Inkscape::SnapPreferences::SNAPPOINT_NODE, pt2g);
- sc->center = from_2geom(pt2g);
-
+ m.freeSnapReturnByRef(sc->center, Inkscape::SNAPSOURCE_NODE_HANDLE);
+ m.unSetup();
sp_canvas_item_grab(SP_CANVAS_ITEM(desktop->acetate),
( GDK_KEY_PRESS_MASK |
GDK_BUTTON_RELEASE_MASK |
@@ -295,21 +270,30 @@ sp_spiral_context_root_handler(SPEventContext *event_context, GdkEvent *event)
Geom::Point const motion_w(event->motion.x, event->motion.y);
Geom::Point motion_dt(event_context->desktop->w2d(motion_w));
-
+
SnapManager &m = desktop->namedview->snap_manager;
m.setup(desktop, true, sc->item);
- m.freeSnapReturnByRef(Inkscape::SnapPreferences::SNAPPOINT_NODE, motion_dt);
+ m.freeSnapReturnByRef(motion_dt, Inkscape::SNAPSOURCE_NODE_HANDLE);
+ m.unSetup();
sp_spiral_drag(sc, from_2geom(motion_dt), event->motion.state);
gobble_motion_events(GDK_BUTTON1_MASK);
ret = TRUE;
+ } else if (!sp_event_context_knot_mouseover(sc)) {
+ SnapManager &m = desktop->namedview->snap_manager;
+ m.setup(desktop);
+ Geom::Point const motion_w(event->motion.x, event->motion.y);
+ Geom::Point motion_dt(desktop->w2d(motion_w));
+ m.preSnap(Inkscape::SnapCandidatePoint(motion_dt, Inkscape::SNAPSOURCE_NODE_HANDLE));
+ m.unSetup();
}
break;
case GDK_BUTTON_RELEASE:
event_context->xp = event_context->yp = 0;
if (event->button.button == 1 && !event_context->space_panning) {
dragging = FALSE;
+ sp_event_context_discard_delayed_snap_event(event_context);
if (!event_context->within_tolerance) {
// we've been dragging, finish the spiral
sp_spiral_finish(sc);
@@ -360,17 +344,23 @@ sp_spiral_context_root_handler(SPEventContext *event_context, GdkEvent *event)
}
break;
case GDK_Escape:
- sp_desktop_selection(desktop)->clear();
- //TODO: make dragging escapable by Esc
- break;
+ if (dragging) {
+ dragging = false;
+ sp_event_context_discard_delayed_snap_event(event_context);
+ // if drawing, cancel, otherwise pass it up for deselecting
+ sp_spiral_cancel(sc);
+ ret = TRUE;
+ }
+ break;
case GDK_space:
if (dragging) {
sp_canvas_item_ungrab(SP_CANVAS_ITEM(desktop->acetate),
event->button.time);
dragging = false;
+ sp_event_context_discard_delayed_snap_event(event_context);
if (!event_context->within_tolerance) {
- // we've been dragging, finish the rect
+ // we've been dragging, finish the spiral
sp_spiral_finish(sc);
}
// do not return true, so that space would work switching to selector
return ret;
}
-static void
-sp_spiral_drag(SPSpiralContext *sc, Geom::Point p, guint state)
+static void sp_spiral_drag(SPSpiralContext *sc, Geom::Point p, guint state)
{
SPDesktop *desktop = SP_EVENT_CONTEXT(sc)->desktop;
return;
}
- /* Create object */
- Inkscape::XML::Document *xml_doc = sp_document_repr_doc(SP_EVENT_CONTEXT_DOCUMENT(sc));
+ // Create object
+ Inkscape::XML::Document *xml_doc = SP_EVENT_CONTEXT_DOCUMENT(sc)->getReprDoc();
Inkscape::XML::Node *repr = xml_doc->createElement("svg:path");
repr->setAttribute("sodipodi:type", "spiral");
- /* Set style */
+ // Set style
sp_desktop_apply_style_tool(desktop, repr, "/tools/shapes/spiral", false);
sc->item = (SPItem *) desktop->currentLayer()->appendChildRepr(repr);
Inkscape::GC::release(repr);
- sc->item->transform = sp_item_i2doc_affine(SP_ITEM(desktop->currentLayer())).inverse();
+ sc->item->transform = SP_ITEM(desktop->currentLayer())->i2doc_affine().inverse();
sc->item->updateRepr();
sp_canvas_force_full_redraw_after_interruptions(desktop->canvas, 5);
SnapManager &m = desktop->namedview->snap_manager;
m.setup(desktop, true, sc->item);
Geom::Point pt2g = to_2geom(p);
- m.freeSnapReturnByRef(Inkscape::SnapPreferences::SNAPPOINT_NODE, pt2g);
+ m.freeSnapReturnByRef(pt2g, Inkscape::SNAPSOURCE_NODE_HANDLE);
+ m.unSetup();
+ Geom::Point const p0 = desktop->dt2doc(sc->center);
+ Geom::Point const p1 = desktop->dt2doc(pt2g);
- Geom::Point const p0 = to_2geom(sp_desktop_dt2doc_xy_point(desktop, sc->center));
- Geom::Point const p1 = to_2geom(sp_desktop_dt2doc_xy_point(desktop, from_2geom(pt2g)));
-
SPSpiral *spiral = SP_SPIRAL(sc->item);
Geom::Point const delta = p1 - p0;
sc->_message_context->clear();
if (sc->item != NULL) {
- SPDesktop *desktop = SP_EVENT_CONTEXT(sc)->desktop;
- SPSpiral *spiral = SP_SPIRAL(sc->item);
+ SPSpiral *spiral = SP_SPIRAL(sc->item);
+ if (spiral->rad == 0) {
+ sp_spiral_cancel(sc); // Don't allow the creating of zero sized spiral, for example when the start and and point snap to the snap grid point
+ return;
+ }
+
+ SPDesktop *desktop = SP_EVENT_CONTEXT(sc)->desktop;
- sp_shape_set_shape(SP_SHAPE(spiral));
+ SP_SHAPE(spiral)->setShape();
SP_OBJECT(spiral)->updateRepr(SP_OBJECT_WRITE_EXT);
sp_canvas_end_forced_full_redraws(desktop->canvas);
sp_desktop_selection(desktop)->set(sc->item);
- sp_document_done(sp_desktop_document(desktop), SP_VERB_CONTEXT_SPIRAL,
- _("Create spiral"));
+ DocumentUndo::done(sp_desktop_document(desktop), SP_VERB_CONTEXT_SPIRAL,
+ _("Create spiral"));
sc->item = NULL;
}
}
+static void sp_spiral_cancel(SPSpiralContext *sc)
+{
+ SPDesktop *desktop = SP_EVENT_CONTEXT(sc)->desktop;
+
+ sp_desktop_selection(desktop)->clear();
+ sp_canvas_item_ungrab(SP_CANVAS_ITEM(desktop->acetate), 0);
+
+ if (sc->item != NULL) {
+ SP_OBJECT(sc->item)->deleteObject();
+ sc->item = NULL;
+ }
+
+ sc->within_tolerance = false;
+ sc->xp = 0;
+ sc->yp = 0;
+ sc->item_to_select = NULL;
+
+ sp_canvas_end_forced_full_redraws(desktop->canvas);
+
+ DocumentUndo::cancel(sp_desktop_document(desktop));
+}
/*
Local Variables:
fill-column:99
End:
*/
-// vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=99 :
+// vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:fileencoding=utf-8:textwidth=99 :