diff --git a/src/pen-context.cpp b/src/pen-context.cpp
index 95593f25b2e8ca6f3eee4f8780d30818467ecfc7..f201513c8973bb72eee63cf2374dff3a74fae67f 100644 (file)
--- a/src/pen-context.cpp
+++ b/src/pen-context.cpp
-/** \file
- * Pen event context implementation.
+/** \file
+ * Pen event context implementation.
*/
/*
static void sp_pen_context_finish(SPEventContext *ec);
static void sp_pen_context_set(SPEventContext *ec, gchar const *key, gchar const *val);
static gint sp_pen_context_root_handler(SPEventContext *ec, GdkEvent *event);
+static gint sp_pen_context_item_handler(SPEventContext *event_context, SPItem *item, GdkEvent *event);
static void spdc_pen_set_initial_point(SPPenContext *pc, NR::Point const p);
static void spdc_pen_set_subsequent_point(SPPenContext *pc, NR::Point const p, bool statusbar);
static gint pen_handle_button_press(SPPenContext *const pc, GdkEventButton const &bevent);
static gint pen_handle_motion_notify(SPPenContext *const pc, GdkEventMotion const &mevent);
static gint pen_handle_button_release(SPPenContext *const pc, GdkEventButton const &revent);
-static gint pen_handle_2button_press(SPPenContext *const pc);
+static gint pen_handle_2button_press(SPPenContext *const pc, GdkEventButton const &bevent);
static gint pen_handle_key_press(SPPenContext *const pc, GdkEvent *event);
static void spdc_reset_colors(SPPenContext *pc);
+static void pen_disable_events(SPPenContext *const pc);
+static void pen_enable_events(SPPenContext *const pc);
static NR::Point pen_drag_origin_w(0, 0);
static bool pen_within_tolerance = false;
event_context_class->finish = sp_pen_context_finish;
event_context_class->set = sp_pen_context_set;
event_context_class->root_handler = sp_pen_context_root_handler;
+ event_context_class->item_handler = sp_pen_context_item_handler;
}
/**
event_context->cursor_shape = cursor_pen_xpm;
event_context->hot_x = 4;
event_context->hot_y = 4;
-
+
pc->npoints = 0;
pc->mode = SP_PEN_CONTEXT_MODE_CLICK;
pc->state = SP_PEN_CONTEXT_POINT;
pc->c1 = NULL;
pc->cl0 = NULL;
pc->cl1 = NULL;
+
+ pc->events_disabled = 0;
}
/**
}
/* Pen indicators */
- pc->c0 = sp_canvas_item_new(SP_DT_CONTROLS(SP_EVENT_CONTEXT_DESKTOP(ec)), SP_TYPE_CTRL, "shape", SP_CTRL_SHAPE_CIRCLE,
+ pc->c0 = sp_canvas_item_new(sp_desktop_controls(SP_EVENT_CONTEXT_DESKTOP(ec)), SP_TYPE_CTRL, "shape", SP_CTRL_SHAPE_CIRCLE,
"size", 4.0, "filled", 0, "fill_color", 0xff00007f, "stroked", 1, "stroke_color", 0x0000ff7f, NULL);
- pc->c1 = sp_canvas_item_new(SP_DT_CONTROLS(SP_EVENT_CONTEXT_DESKTOP(ec)), SP_TYPE_CTRL, "shape", SP_CTRL_SHAPE_CIRCLE,
+ pc->c1 = sp_canvas_item_new(sp_desktop_controls(SP_EVENT_CONTEXT_DESKTOP(ec)), SP_TYPE_CTRL, "shape", SP_CTRL_SHAPE_CIRCLE,
"size", 4.0, "filled", 0, "fill_color", 0xff00007f, "stroked", 1, "stroke_color", 0x0000ff7f, NULL);
- pc->cl0 = sp_canvas_item_new(SP_DT_CONTROLS(SP_EVENT_CONTEXT_DESKTOP(ec)), SP_TYPE_CTRLLINE, NULL);
+ pc->cl0 = sp_canvas_item_new(sp_desktop_controls(SP_EVENT_CONTEXT_DESKTOP(ec)), SP_TYPE_CTRLLINE, NULL);
sp_ctrlline_set_rgba32(SP_CTRLLINE(pc->cl0), 0x0000007f);
- pc->cl1 = sp_canvas_item_new(SP_DT_CONTROLS(SP_EVENT_CONTEXT_DESKTOP(ec)), SP_TYPE_CTRLLINE, NULL);
+ pc->cl1 = sp_canvas_item_new(sp_desktop_controls(SP_EVENT_CONTEXT_DESKTOP(ec)), SP_TYPE_CTRLLINE, NULL);
sp_ctrlline_set_rgba32(SP_CTRLLINE(pc->cl1), 0x0000007f);
sp_canvas_item_hide(pc->c0);
}
}
+static void
+pen_cancel (SPPenContext *const pc)
+{
+ pc->state = SP_PEN_CONTEXT_STOP;
+ spdc_reset_colors(pc);
+ sp_canvas_item_hide(pc->c0);
+ sp_canvas_item_hide(pc->c1);
+ sp_canvas_item_hide(pc->cl0);
+ sp_canvas_item_hide(pc->cl1);
+ pc->_message_context->clear();
+ pc->_message_context->flash(Inkscape::NORMAL_MESSAGE, _("Drawing cancelled"));
+
+ sp_canvas_end_forced_full_redraws(pc->desktop->canvas);
+}
+
/**
* Finalization callback.
*/
static void
sp_pen_context_finish(SPEventContext *ec)
{
- spdc_pen_finish(SP_PEN_CONTEXT(ec), FALSE);
+ SPPenContext *pc = SP_PEN_CONTEXT(ec);
+
+ if (pc->npoints != 0) {
+ pen_cancel (pc);
+ }
if (((SPEventContextClass *) pen_parent_class)->finish) {
((SPEventContextClass *) pen_parent_class)->finish(ec);
}
}
-/**
+/**
* Snaps new node relative to the previous node.
*/
static void
@@ -248,7 +273,7 @@ spdc_endpoint_snap(SPPenContext const *const pc, NR::Point &p, guint const state
spdc_endpoint_snap_free(pc, p, state);
}
-/**
+/**
* Snaps new node's handle relative to the new node.
*/
static void
@@ -261,6 +286,29 @@ spdc_endpoint_snap_handle(SPPenContext const *const pc, NR::Point &p, guint cons
spdc_endpoint_snap_free(pc, p, state);
}
+static gint
+sp_pen_context_item_handler(SPEventContext *ec, SPItem *item, GdkEvent *event)
+{
+ SPPenContext *const pc = SP_PEN_CONTEXT(ec);
+
+ gint ret = FALSE;
+
+ switch (event->type) {
+ case GDK_BUTTON_PRESS:
+ ret = pen_handle_button_press(pc, event->button);
+ break;
+ default:
+ break;
+ }
+
+ if (!ret) {
+ if (((SPEventContextClass *) pen_parent_class)->item_handler)
+ ret = ((SPEventContextClass *) pen_parent_class)->item_handler(ec, item, event);
+ }
+
+ return ret;
+}
+
/**
* Callback to handle all pen events.
*/
break;
case GDK_2BUTTON_PRESS:
- ret = pen_handle_2button_press(pc);
+ ret = pen_handle_2button_press(pc, event->button);
break;
case GDK_KEY_PRESS:
*/
static gint pen_handle_button_press(SPPenContext *const pc, GdkEventButton const &bevent)
{
+ if (pc->events_disabled) {
+ // skip event processing if events are disabled
+ return FALSE;
+ }
+
+ SPDrawContext * const dc = SP_DRAW_CONTEXT(pc);
+ SPDesktop * const desktop = SP_EVENT_CONTEXT_DESKTOP(dc);
+ NR::Point const event_w(bevent.x, bevent.y);
+ NR::Point const event_dt(desktop->w2d(event_w));
+
gint ret = FALSE;
if (bevent.button == 1) {
- SPDrawContext * const dc = SP_DRAW_CONTEXT(pc);
- SPDesktop * const desktop = SP_EVENT_CONTEXT_DESKTOP(dc);
-
if (Inkscape::have_viable_layer(desktop, dc->_message_context) == false) {
return TRUE;
}
-
- NR::Point const event_w(bevent.x, bevent.y);
+
pen_drag_origin_w = event_w;
pen_within_tolerance = true;
/* Test whether we hit any anchor. */
SPDrawAnchor * const anchor = spdc_test_inside(pc, event_w);
- NR::Point const event_dt(desktop->w2d(event_w));
switch (pc->mode) {
case SP_PEN_CONTEXT_MODE_CLICK:
/* In click mode we add point on release */
@@ -352,12 +405,12 @@ static gint pen_handle_button_press(SPPenContext *const pc, GdkEventButton const
/* This is allowed, if we just cancelled curve */
case SP_PEN_CONTEXT_POINT:
if (pc->npoints == 0) {
-
+
/* Set start anchor */
pc->sa = anchor;
NR::Point p;
if (anchor) {
-
+
/* Adjust point to anchor if needed */
p = anchor->dp;
desktop->messageStack()->flash(Inkscape::NORMAL_MESSAGE, _("Continuing selected path"));
@@ -367,9 +420,9 @@ static gint pen_handle_button_press(SPPenContext *const pc, GdkEventButton const
// This is the first click of a new curve; deselect item so that
// this curve is not combined with it (unless it is drawn from its
// anchor, which is handled by the sibling branch above)
- Inkscape::Selection * const selection = SP_DT_SELECTION(desktop);
+ Inkscape::Selection * const selection = sp_desktop_selection(desktop);
if (!(bevent.state & GDK_SHIFT_MASK)) {
-
+
selection->clear();
desktop->messageStack()->flash(Inkscape::NORMAL_MESSAGE, _("Creating new path"));
@@ -385,12 +438,12 @@ static gint pen_handle_button_press(SPPenContext *const pc, GdkEventButton const
}
spdc_pen_set_initial_point(pc, p);
} else {
-
+
/* Set end anchor */
pc->ea = anchor;
NR::Point p;
if (anchor) {
-
+
p = anchor->dp;
// we hit an anchor, will finish the curve (either with or without closing)
// in release handler
@@ -399,18 +452,18 @@ static gint pen_handle_button_press(SPPenContext *const pc, GdkEventButton const
if (pc->green_anchor && pc->green_anchor->active) {
// we clicked on the current curve start, so close it even if
// we drag a handle away from it
- dc->green_closed = TRUE;
+ dc->green_closed = TRUE;
}
ret = TRUE;
break;
-
+
} else {
-
+
p = event_dt;
spdc_endpoint_snap(pc, p, bevent.state); /* Snap node only if not hitting anchor. */
spdc_pen_set_subsequent_point(pc, p, true);
}
-
+
}
pc->state = SP_PEN_CONTEXT_CONTROL;
ret = TRUE;
@@ -430,11 +483,20 @@ static gint pen_handle_button_press(SPPenContext *const pc, GdkEventButton const
}
} else if (bevent.button == 3) {
if (pc->npoints != 0) {
- spdc_pen_finish(pc, FALSE);
+
+ spdc_pen_finish_segment(pc, event_dt, bevent.state);
+ if (pc->green_closed) {
+ // finishing at the start anchor, close curve
+ spdc_pen_finish(pc, TRUE);
+ } else {
+ // finishing at some other anchor, finish curve but not close
+ spdc_pen_finish(pc, FALSE);
+ }
+
ret = TRUE;
}
}
-
+
return ret;
}
// allow middle-button scrolling
return FALSE;
}
+
+ if (pc->events_disabled) {
+ // skip motion events if pen events are disabled
+ return FALSE;
+ }
NR::Point const event_w(mevent.x,
mevent.y);
static gint
pen_handle_button_release(SPPenContext *const pc, GdkEventButton const &revent)
{
+ if (pc->events_disabled) {
+ // skip event processing if events are disabled
+ return FALSE;
+ }
+
gint ret = FALSE;
if ( revent.button == 1 ) {
@@ -672,16 +744,67 @@ pen_handle_button_release(SPPenContext *const pc, GdkEventButton const &revent)
}
static gint
-pen_handle_2button_press(SPPenContext *const pc)
+pen_handle_2button_press(SPPenContext *const pc, GdkEventButton const &bevent)
{
gint ret = FALSE;
- if (pc->npoints != 0) {
+ if (pc->npoints != 0 && bevent.button != 2) {
spdc_pen_finish(pc, FALSE);
ret = TRUE;
}
return ret;
}
+void
+pen_redraw_all (SPPenContext *const pc)
+{
+ // green
+ if (pc->green_bpaths) {
+ // remove old piecewise green canvasitems
+ while (pc->green_bpaths) {
+ gtk_object_destroy(GTK_OBJECT(pc->green_bpaths->data));
+ pc->green_bpaths = g_slist_remove(pc->green_bpaths, pc->green_bpaths->data);
+ }
+ // one canvas bpath for all of green_curve
+ SPCanvasItem *cshape = sp_canvas_bpath_new(sp_desktop_sketch(pc->desktop), pc->green_curve);
+ sp_canvas_bpath_set_stroke(SP_CANVAS_BPATH(cshape), pc->green_color, 1.0, SP_STROKE_LINEJOIN_MITER, SP_STROKE_LINECAP_BUTT);
+ sp_canvas_bpath_set_fill(SP_CANVAS_BPATH(cshape), 0, SP_WIND_RULE_NONZERO);
+
+ pc->green_bpaths = g_slist_prepend(pc->green_bpaths, cshape);
+ }
+
+ if (pc->green_anchor)
+ SP_CTRL(pc->green_anchor->ctrl)->moveto(pc->green_anchor->dp);
+
+ sp_curve_reset(pc->red_curve);
+ sp_curve_moveto(pc->red_curve, pc->p[0]);
+ sp_curve_curveto(pc->red_curve, pc->p[1], pc->p[2], pc->p[3]);
+ sp_canvas_bpath_set_bpath(SP_CANVAS_BPATH(pc->red_bpath), pc->red_curve);
+
+ // handles
+ if (pc->p[0] != pc->p[1]) {
+ SP_CTRL(pc->c1)->moveto(pc->p[1]);
+ sp_ctrlline_set_coords(SP_CTRLLINE(pc->cl1), pc->p[0], pc->p[1]);
+ sp_canvas_item_show (pc->c1);
+ sp_canvas_item_show (pc->cl1);
+ } else {
+ sp_canvas_item_hide (pc->c1);
+ sp_canvas_item_hide (pc->cl1);
+ }
+
+ NArtBpath *const bpath = sp_curve_last_bpath(pc->green_curve);
+ if (bpath) {
+ if (bpath->code == NR_CURVETO && NR::Point(bpath->x2, bpath->y2) != pc->p[0]) {
+ SP_CTRL(pc->c0)->moveto(NR::Point(bpath->x2, bpath->y2));
+ sp_ctrlline_set_coords(SP_CTRLLINE(pc->cl0), NR::Point(bpath->x2, bpath->y2), pc->p[0]);
+ sp_canvas_item_show (pc->c0);
+ sp_canvas_item_show (pc->cl0);
+ } else {
+ sp_canvas_item_hide (pc->c0);
+ sp_canvas_item_hide (pc->cl0);
+ }
+ }
+}
+
void
pen_lastpoint_move (SPPenContext *const pc, gdouble x, gdouble y)
{
}
bpath->x3 += x;
bpath->y3 += y;
- if (pc->green_bpaths && pc->green_bpaths->data) {
- // remove old piecewise green canvasitems
- while (pc->green_bpaths) {
- gtk_object_destroy(GTK_OBJECT(pc->green_bpaths->data));
- pc->green_bpaths = g_slist_remove(pc->green_bpaths, pc->green_bpaths->data);
- }
- // one canvas bpath for all of green_curve
- SPCanvasItem *cshape = sp_canvas_bpath_new(SP_DT_SKETCH(pc->desktop), pc->green_curve);
- sp_canvas_bpath_set_stroke(SP_CANVAS_BPATH(cshape), pc->green_color, 1.0, SP_STROKE_LINEJOIN_MITER, SP_STROKE_LINECAP_BUTT);
- sp_canvas_bpath_set_fill(SP_CANVAS_BPATH(cshape), 0, SP_WIND_RULE_NONZERO);
-
- pc->green_bpaths = g_slist_prepend(pc->green_bpaths, cshape);
- }
} else {
// start anchor too
if (pc->green_anchor) {
pc->green_anchor->dp += NR::Point(x, y);
- SP_CTRL(pc->green_anchor->ctrl)->moveto(pc->green_anchor->dp);
}
}
// red
pc->p[0] += NR::Point(x, y);
pc->p[1] += NR::Point(x, y);
- sp_curve_reset(pc->red_curve);
- sp_curve_moveto(pc->red_curve, pc->p[0]);
- sp_curve_curveto(pc->red_curve, pc->p[1], pc->p[2], pc->p[3]);
- sp_canvas_bpath_set_bpath(SP_CANVAS_BPATH(pc->red_bpath), pc->red_curve);
-
- // handles
- if (pc->p[0] != pc->p[1]) {
- SP_CTRL(pc->c1)->moveto(pc->p[1]);
- sp_ctrlline_set_coords(SP_CTRLLINE(pc->cl1), pc->p[0], pc->p[1]);
- }
- if (bpath && bpath->code == NR_CURVETO && NR::Point(bpath->x2, bpath->y2) != pc->p[0]) {
- SP_CTRL(pc->c0)->moveto(NR::Point(bpath->x2, bpath->y2));
- sp_ctrlline_set_coords(SP_CTRLLINE(pc->cl0), NR::Point(bpath->x2, bpath->y2), pc->p[0]);
- }
+ pen_redraw_all(pc);
}
void
pen_lastpoint_move (pc, x / pc->desktop->current_zoom(), y / pc->desktop->current_zoom());
}
+void
+pen_lastpoint_tocurve (SPPenContext *const pc)
+{
+ if (pc->npoints != 5)
+ return;
+
+ // red
+ NArtBpath *const bpath = sp_curve_last_bpath(pc->green_curve);
+ if (bpath && bpath->code == NR_CURVETO) {
+ pc->p[1] = pc->p[0] + (NR::Point(bpath->x3, bpath->y3) - NR::Point(bpath->x2, bpath->y2));
+ } else {
+ pc->p[1] = pc->p[0] + (pc->p[3] - pc->p[0])*(1/3);
+ }
+
+ pen_redraw_all(pc);
+}
+
+void
+pen_lastpoint_toline (SPPenContext *const pc)
+{
+ if (pc->npoints != 5)
+ return;
+
+ pc->p[1] = pc->p[0];
+
+ pen_redraw_all(pc);
+}
+
+
static gint
pen_handle_key_press(SPPenContext *const pc, GdkEvent *event)
{
}
break;
+ case GDK_U:
+ case GDK_u:
+ if (MOD__SHIFT_ONLY) {
+ pen_lastpoint_tocurve(pc);
+ ret = TRUE;
+ }
+ break;
+ case GDK_L:
+ case GDK_l:
+ if (MOD__SHIFT_ONLY) {
+ pen_lastpoint_toline(pc);
+ ret = TRUE;
+ }
+ break;
+
case GDK_Return:
case GDK_KP_Enter:
if (pc->npoints != 0) {
case GDK_Escape:
if (pc->npoints != 0) {
// if drawing, cancel, otherwise pass it up for deselecting
- pc->state = SP_PEN_CONTEXT_STOP;
- spdc_reset_colors(pc);
- sp_canvas_item_hide(pc->c0);
- sp_canvas_item_hide(pc->c1);
- sp_canvas_item_hide(pc->cl0);
- sp_canvas_item_hide(pc->cl1);
+ pen_cancel (pc);
ret = TRUE;
}
break;
case GDK_Z:
if (MOD__CTRL_ONLY && pc->npoints != 0) {
// if drawing, cancel, otherwise pass it up for undo
- pc->state = SP_PEN_CONTEXT_STOP;
- spdc_reset_colors(pc);
- sp_canvas_item_hide(pc->c0);
- sp_canvas_item_hide(pc->c1);
- sp_canvas_item_hide(pc->cl0);
- sp_canvas_item_hide(pc->cl1);
+ pen_cancel (pc);
ret = TRUE;
}
break;
case GDK_Delete:
case GDK_KP_Delete:
if (sp_curve_is_empty(pc->green_curve)) {
- /* Same as cancel */
- pc->state = SP_PEN_CONTEXT_STOP;
- spdc_reset_colors(pc);
- sp_canvas_item_hide(pc->c0);
- sp_canvas_item_hide(pc->c1);
- sp_canvas_item_hide(pc->cl0);
- sp_canvas_item_hide(pc->cl1);
+ pen_cancel (pc);
ret = TRUE;
} else {
/* Reset red curve */
if (pc->green_bpaths->data)
gtk_object_destroy(GTK_OBJECT(pc->green_bpaths->data));
pc->green_bpaths = g_slist_remove(pc->green_bpaths, pc->green_bpaths->data);
- }
+ }
/* Get last segment */
NArtBpath const *const p = SP_CURVE_BPATH(pc->green_curve);
gint const e = SP_CURVE_LENGTH(pc->green_curve);
break;
}
pc->p[0] = p[e - 2].c(3);
- pc->p[1] = p[e - 1].c(1);
+ if (p[e - 1].code == NR_CURVETO) {
+ pc->p[1] = p[e - 1].c(1);
+ } else {
+ pc->p[1] = pc->p[0];
+ }
NR::Point const pt(( pc->npoints < 4
? p[e - 1].c(3)
: pc->p[3] ));
pc->p[1] = p;
pc->npoints = 2;
sp_canvas_bpath_set_bpath(SP_CANVAS_BPATH(pc->red_bpath), NULL);
+
+ sp_canvas_force_full_redraw_after_interruptions(pc->desktop->canvas, 5);
}
static void
@@ -952,6 +1082,7 @@ spdc_pen_set_subsequent_point(SPPenContext *const pc, NR::Point const p, bool st
sp_curve_lineto(pc->red_curve, p);
is_curve = false;
}
+
sp_canvas_bpath_set_bpath(SP_CANVAS_BPATH(pc->red_bpath), pc->red_curve);
if (statusbar) {
@@ -1031,8 +1162,8 @@ spdc_pen_finish_segment(SPPenContext *const pc, NR::Point const p, guint const s
if (!sp_curve_empty(pc->red_curve)) {
sp_curve_append_continuous(pc->green_curve, pc->red_curve, 0.0625);
SPCurve *curve = sp_curve_copy(pc->red_curve);
- /// \todo fixme:
- SPCanvasItem *cshape = sp_canvas_bpath_new(SP_DT_SKETCH(pc->desktop), curve);
+ /// \todo fixme:
+ SPCanvasItem *cshape = sp_canvas_bpath_new(sp_desktop_sketch(pc->desktop), curve);
sp_curve_unref(curve);
sp_canvas_bpath_set_stroke(SP_CANVAS_BPATH(cshape), pc->green_color, 1.0, SP_STROKE_LINEJOIN_MITER, SP_STROKE_LINECAP_BUTT);
@@ -1049,9 +1180,11 @@ spdc_pen_finish_segment(SPPenContext *const pc, NR::Point const p, guint const s
static void
spdc_pen_finish(SPPenContext *const pc, gboolean const closed)
{
+ pen_disable_events(pc);
+
SPDesktop *const desktop = pc->desktop;
pc->_message_context->clear();
- desktop->messageStack()->flash(Inkscape::NORMAL_MESSAGE, _("Finishing pen"));
+ desktop->messageStack()->flash(Inkscape::NORMAL_MESSAGE, _("Drawing finished"));
sp_curve_reset(pc->red_curve);
spdc_concat_colors_and_flush(pc, closed);
if (pc->green_anchor) {
pc->green_anchor = sp_draw_anchor_destroy(pc->green_anchor);
}
+
+
+ sp_canvas_end_forced_full_redraws(pc->desktop->canvas);
+
+ pen_enable_events(pc);
}
+static void
+pen_disable_events(SPPenContext *const pc) {
+ pc->events_disabled++;
+}
+
+static void
+pen_enable_events(SPPenContext *const pc) {
+ g_return_if_fail(pc->events_disabled != 0);
+
+ pc->events_disabled--;
+}
/*
Local Variables: