diff --git a/src/knot.cpp b/src/knot.cpp
index 5483280daafc463d9595f932845ed6ceed8174ac..dc5b78b1754c54f0fe4ff9cee1d3fcfa54f75123 100644 (file)
--- a/src/knot.cpp
+++ b/src/knot.cpp
#include "message-stack.h"
#include "message-context.h"
#include "event-context.h"
+#include "sp-namedview.h"
+#include "snap.h"
+#include "selection.h"
#define KNOT_EVENT_MASK (GDK_BUTTON_PRESS_MASK | GDK_BUTTON_RELEASE_MASK | \
- GDK_POINTER_MOTION_MASK | GDK_POINTER_MOTION_HINT_MASK | \
+ GDK_POINTER_MOTION_MASK | \
GDK_KEY_PRESS_MASK | GDK_KEY_RELEASE_MASK)
static bool nograb = false;
static void sp_knot_dispose(GObject *object);
static int sp_knot_handler(SPCanvasItem *item, GdkEvent *event, SPKnot *knot);
-static void sp_knot_set_flag(SPKnot *knot, guint flag, bool set);
static void sp_knot_set_ctrl_state(SPKnot *knot);
static GObjectClass *parent_class;
*/
static void sp_knot_class_init(SPKnotClass *klass)
{
- GObjectClass *object_class = (GObjectClass *) klass;
+ GObjectClass *object_class = (GObjectClass*)klass;
parent_class = (GObjectClass*) g_type_class_peek_parent(klass);
knot->mode = SP_KNOT_MODE_XOR;
knot->tip = NULL;
knot->_event_handler_id = 0;
+ knot->pressure = 0;
knot->fill[SP_KNOT_STATE_NORMAL] = 0xffffff00;
knot->fill[SP_KNOT_STATE_MOUSEOVER] = 0xff0000ff;
knot->tip = NULL;
}
- if (((GObjectClass *) (parent_class))->dispose) {
- (* ((GObjectClass *) (parent_class))->dispose) (object);
+ if (parent_class->dispose) {
+ (*parent_class->dispose) (object);
}
}
g_assert(knot != NULL);
g_assert(SP_IS_KNOT(knot));
- g_object_ref(G_OBJECT(knot));
- tolerance = prefs_get_int_attribute_limited("options.dragtolerance", "value", 0, 0, 100);
+ /* Run client universal event handler, if present */
gboolean consumed = FALSE;
- /* Run client universal event handler, if present */
-
- g_signal_emit(G_OBJECT(knot), knot_signals[EVENT], 0, event, &consumed);
+ g_signal_emit(knot, knot_signals[EVENT], 0, event, &consumed);
if (consumed) {
return TRUE;
}
+ g_object_ref(knot);
+ tolerance = prefs_get_int_attribute_limited("options.dragtolerance", "value", 0, 0, 100);
+
switch (event->type) {
case GDK_2BUTTON_PRESS:
if (event->button.button == 1) {
- g_signal_emit(G_OBJECT(knot), knot_signals[DOUBLECLICKED], 0, event->button.state);
+ g_signal_emit(knot, knot_signals[DOUBLECLICKED], 0, event->button.state);
grabbed = FALSE;
moved = FALSE;
break;
case GDK_BUTTON_RELEASE:
if (event->button.button == 1) {
+ knot->pressure = 0;
if (transform_escaped) {
transform_escaped = false;
consumed = TRUE;
sp_knot_set_flag(knot,
SP_KNOT_DRAGGING,
FALSE);
- g_signal_emit(G_OBJECT (knot),
+ g_signal_emit(knot,
knot_signals[UNGRABBED], 0,
event->button.state);
} else {
- g_signal_emit(G_OBJECT (knot),
+ g_signal_emit(knot,
knot_signals[CLICKED], 0,
event->button.state);
}
// motion notify coordinates as given (no snapping back to origin)
within_tolerance = false;
+ if (gdk_event_get_axis (event, GDK_AXIS_PRESSURE, &knot->pressure))
+ knot->pressure = CLAMP (knot->pressure, 0, 1);
+ else
+ knot->pressure = 0.5;
+
if (!moved) {
- g_signal_emit(G_OBJECT (knot),
+ g_signal_emit(knot,
knot_signals[GRABBED], 0,
event->motion.state);
sp_knot_set_flag(knot,
TRUE);
}
NR::Point const motion_w(event->motion.x, event->motion.y);
- NR::Point const motion_dt = knot->desktop->w2d(motion_w);
- NR::Point p = motion_dt - knot->grabbed_rel_pos;
- sp_knot_request_position (knot, &p, event->motion.state);
+ NR::Point motion_dt = knot->desktop->w2d(motion_w) - knot->grabbed_rel_pos;
+
+ // Only snap path nodes, for which the anchor is set to GTK_ANCHOR_CENTER
+ // (according to default value as set in sp_knot_init())
+ // If we have one of the transform handles at hand, then the anchor will be
+ // set to e.g. GTK_ANCHOR_SW (see seltrans-handles.cpp). The transform handles
+ // will be snapped in seltrans.cpp, not here
+ if (knot->anchor == GTK_ANCHOR_CENTER) {
+ SnapManager const &m = knot->desktop->namedview->snap_manager;
+ SPItem *curr = knot->desktop->selection->singleItem(); //Is this really the only way to get to the item to which this knot belongs?
+ motion_dt = m.freeSnap(Inkscape::Snapper::BBOX_POINT | Inkscape::Snapper::SNAP_POINT, motion_dt, curr).getPoint();
+ }
+
+ sp_knot_request_position (knot, &motion_dt, event->motion.state);
knot->desktop->scroll_to_point (&motion_dt);
+ knot->desktop->set_coordinate_status(knot->pos); // display the coordinate of knot, not cursor - they may be different!
moved = TRUE;
}
break;
sp_knot_set_flag(knot,
SP_KNOT_DRAGGING,
FALSE);
- g_signal_emit(G_OBJECT(knot),
+ g_signal_emit(knot,
knot_signals[UNGRABBED], 0,
event->button.state);
- sp_document_undo(SP_DT_DOCUMENT(knot->desktop));
+ sp_document_undo(sp_desktop_document(knot->desktop));
knot->desktop->messageStack()->flash(Inkscape::NORMAL_MESSAGE, _("Node or handle drag canceled."));
transform_escaped = true;
consumed = TRUE;
break;
}
- g_object_unref(G_OBJECT(knot));
+ g_object_unref(knot);
return consumed;
}
knot->tip = g_strdup (tip);
}
- knot->item = sp_canvas_item_new(SP_DT_CONTROLS (desktop),
+ knot->item = sp_canvas_item_new(sp_desktop_controls (desktop),
SP_TYPE_CTRL,
"anchor", GTK_ANCHOR_CENTER,
"size", 8.0,
gboolean done = FALSE;
- g_signal_emit(G_OBJECT (knot),
+ g_signal_emit(knot,
knot_signals[REQUEST], 0,
p,
state,
gdouble distance = NR::L2(*p - knot->pos);
- g_signal_emit(G_OBJECT(knot),
+ g_signal_emit(knot,
knot_signals[DISTANCE], 0,
p,
state,
SP_CTRL(knot->item)->moveto (*p);
}
- g_signal_emit(G_OBJECT (knot),
+ g_signal_emit(knot,
knot_signals[MOVED], 0,
p,
state);
/**
* Set flag in knot, with side effects.
*/
-static void sp_knot_set_flag(SPKnot *knot, guint flag, bool set)
+void sp_knot_set_flag(SPKnot *knot, guint flag, bool set)
{
g_assert(knot != NULL);
g_assert(SP_IS_KNOT(knot));