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diff --git a/src/pen-context.cpp b/src/pen-context.cpp
index bf0b1f511fdf0fcdc0a4c0440f003f5a2721cab2..0f8a4204a928b19217d7138eb31138e82466feb2 100644 (file)
--- a/src/pen-context.cpp
+++ b/src/pen-context.cpp
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;
pc->c1 = NULL;
pc->cl0 = NULL;
pc->cl1 = NULL;
+
+ pc->events_disabled = 0;
}
/**
}
}
+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);
*/
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;
+ }
+
gint ret = FALSE;
if (bevent.button == 1) {
// 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 ) {
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_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);
- }
} 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());
}
-static void
-pen_cancel (SPPenContext *const pc)
+void
+pen_lastpoint_tocurve (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"));
+ 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_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 */
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
@@ -955,6 +1048,7 @@ 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) {
@@ -1052,6 +1146,8 @@ 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, _("Drawing finished"));
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: