index b4f52a7c9bf7fa909564ca540d335badf1d677fd..d37e9b02270ba0e21149dda51c2842161893f18e 100644 (file)
--- a/src/gradient-context.cpp
+++ b/src/gradient-context.cpp
-#define __SP_GRADIENT_CONTEXT_C__
-
/*
* Gradient drawing and editing tool
*
* Authors:
* bulia byak <buliabyak@users.sf.net>
* Johan Engelen <j.b.c.engelen@ewi.utwente.nl>
+ * Abhishek Sharma
*
* Copyright (C) 2007 Johan Engelen
* Copyright (C) 2005 Authors
#include "sp-namedview.h"
#include "rubberband.h"
+using Inkscape::DocumentUndo;
static void sp_gradient_context_class_init(SPGradientContextClass *klass);
N_("Radial gradient <b>mid stop</b>")
};
-static void
+static void
gradient_selection_changed (Inkscape::Selection *, gpointer data)
{
SPGradientContext *rc = (SPGradientContext *) data;
GrDrag *drag = rc->_grdrag;
Inkscape::Selection *selection = sp_desktop_selection(SP_EVENT_CONTEXT(rc)->desktop);
+ if (selection == NULL) {
+ return;
+ }
guint n_obj = g_slist_length((GSList *) selection->itemList());
if (!drag->isNonEmpty() || selection->isEmpty())
//The use of ngettext in the following code is intentional even if the English singular form would never be used
if (n_sel == 1) {
if (drag->singleSelectedDraggerNumDraggables() == 1) {
- gchar * message = g_strconcat(
- //TRANSLATORS: %s will be substituted with the point name (see previous messages); This is part of a compound message
- _("%s selected"),
- //TRANSLATORS: Mind the space in front. This is part of a compound message
- ngettext(" out of %d gradient handle"," out of %d gradient handles",n_tot),
- ngettext(" on %d selected object"," on %d selected objects",n_obj),NULL);
- rc->_message_context->setF(Inkscape::NORMAL_MESSAGE,
- message,_(gr_handle_descr[drag->singleSelectedDraggerSingleDraggableType()]), n_tot, n_obj);
+ gchar * message = g_strconcat(
+ //TRANSLATORS: %s will be substituted with the point name (see previous messages); This is part of a compound message
+ _("%s selected"),
+ //TRANSLATORS: Mind the space in front. This is part of a compound message
+ ngettext(" out of %d gradient handle"," out of %d gradient handles",n_tot),
+ ngettext(" on %d selected object"," on %d selected objects",n_obj),NULL);
+ rc->_message_context->setF(Inkscape::NORMAL_MESSAGE,
+ message,_(gr_handle_descr[drag->singleSelectedDraggerSingleDraggableType()]), n_tot, n_obj);
} else {
- gchar * message = g_strconcat(
- //TRANSLATORS: This is a part of a compound message (out of two more indicating: grandint handle count & object count)
- ngettext("One handle merging %d stop (drag with <b>Shift</b> to separate) selected",
- "One handle merging %d stops (drag with <b>Shift</b> to separate) selected",drag->singleSelectedDraggerNumDraggables()),
- ngettext(" out of %d gradient handle"," out of %d gradient handles",n_tot),
- ngettext(" on %d selected object"," on %d selected objects",n_obj),NULL);
- rc->_message_context->setF(Inkscape::NORMAL_MESSAGE,message,drag->singleSelectedDraggerNumDraggables(), n_tot, n_obj);
+ gchar * message = g_strconcat(
+ //TRANSLATORS: This is a part of a compound message (out of two more indicating: grandint handle count & object count)
+ ngettext("One handle merging %d stop (drag with <b>Shift</b> to separate) selected",
+ "One handle merging %d stops (drag with <b>Shift</b> to separate) selected",drag->singleSelectedDraggerNumDraggables()),
+ ngettext(" out of %d gradient handle"," out of %d gradient handles",n_tot),
+ ngettext(" on %d selected object"," on %d selected objects",n_obj),NULL);
+ rc->_message_context->setF(Inkscape::NORMAL_MESSAGE,message,drag->singleSelectedDraggerNumDraggables(), n_tot, n_obj);
}
} else if (n_sel > 1) {
- //TRANSLATORS: The plural refers to number of selected gradient handles. This is part of a compound message (part two indicates selected object count)
- gchar * message = g_strconcat(ngettext("<b>%d</b> gradient handle selected out of %d","<b>%d</b> gradient handles selected out of %d",n_sel),
- //TRANSLATORS: Mind the space in front. (Refers to gradient handles selected). This is part of a compound message
- ngettext(" on %d selected object"," on %d selected objects",n_obj),NULL);
+ //TRANSLATORS: The plural refers to number of selected gradient handles. This is part of a compound message (part two indicates selected object count)
+ gchar * message = g_strconcat(ngettext("<b>%d</b> gradient handle selected out of %d","<b>%d</b> gradient handles selected out of %d",n_sel),
+ //TRANSLATORS: Mind the space in front. (Refers to gradient handles selected). This is part of a compound message
+ ngettext(" on %d selected object"," on %d selected objects",n_obj),NULL);
rc->_message_context->setF(Inkscape::NORMAL_MESSAGE,message, n_sel, n_tot, n_obj);
} else if (n_sel == 0) {
rc->_message_context->setF(Inkscape::NORMAL_MESSAGE,
- //TRANSLATORS: The plural refers to number of selected objects
- ngettext("<b>No</b> gradient handles selected out of %d on %d selected object",
- "<b>No</b> gradient handles selected out of %d on %d selected objects",n_obj), n_tot, n_obj);
+ //TRANSLATORS: The plural refers to number of selected objects
+ ngettext("<b>No</b> gradient handles selected out of %d on %d selected object",
+ "<b>No</b> gradient handles selected out of %d on %d selected objects",n_obj), n_tot, n_obj);
}
}
@@ -271,7 +274,7 @@ sp_gradient_context_get_stop_intervals (GrDrag *drag, GSList **these_stops, GSLi
// remember the coord of the dragger to reselect it later
coords.push_back(dragger->point);
// for all draggables of dragger
- for (GSList const* j = dragger->draggables; j != NULL; j = j->next) {
+ for (GSList const* j = dragger->draggables; j != NULL; j = j->next) {
GrDraggable *d = (GrDraggable *) j->data;
// find the gradient
@@ -279,16 +282,16 @@ sp_gradient_context_get_stop_intervals (GrDrag *drag, GSList **these_stops, GSLi
SPGradient *vector = sp_gradient_get_forked_vector_if_necessary (gradient, false);
// these draggable types cannot have a next draggabe to insert a stop between them
- if (d->point_type == POINT_LG_END ||
- d->point_type == POINT_RG_FOCUS ||
- d->point_type == POINT_RG_R1 ||
+ if (d->point_type == POINT_LG_END ||
+ d->point_type == POINT_RG_FOCUS ||
+ d->point_type == POINT_RG_R1 ||
d->point_type == POINT_RG_R2) {
continue;
}
// from draggables to stops
SPStop *this_stop = sp_get_stop_i (vector, d->point_i);
- SPStop *next_stop = sp_next_stop (this_stop);
+ SPStop *next_stop = this_stop->getNextStop();
SPStop *last_stop = sp_last_stop (vector);
gint fs = d->fill_or_stroke;
@@ -299,7 +302,7 @@ sp_gradient_context_get_stop_intervals (GrDrag *drag, GSList **these_stops, GSLi
// if there's a next stop,
if (next_stop) {
GrDragger *dnext = NULL;
- // find its dragger
+ // find its dragger
// (complex because it may have different types, and because in radial,
// more than one dragger may correspond to a stop, so we must distinguish)
if (type == POINT_LG_BEGIN || type == POINT_LG_MID) {
@@ -311,14 +314,14 @@ sp_gradient_context_get_stop_intervals (GrDrag *drag, GSList **these_stops, GSLi
if (type == POINT_RG_CENTER || type == POINT_RG_MID1) {
if (next_stop == last_stop)
dnext = drag->getDraggerFor (item, POINT_RG_R1, p_i+1, fs);
- else
+ else
dnext = drag->getDraggerFor (item, POINT_RG_MID1, p_i+1, fs);
- }
- if ((type == POINT_RG_MID2) ||
+ }
+ if ((type == POINT_RG_MID2) ||
(type == POINT_RG_CENTER && dnext && !dnext->isSelected())) {
if (next_stop == last_stop)
dnext = drag->getDraggerFor (item, POINT_RG_R2, p_i+1, fs);
- else
+ else
dnext = drag->getDraggerFor (item, POINT_RG_MID2, p_i+1, fs);
}
}
if (g_slist_length(these_stops) == 0 && drag->numSelected() == 1) {
// if a single stop is selected, add between that stop and the next one
GrDragger *dragger = (GrDragger *) drag->selected->data;
- for (GSList const* j = dragger->draggables; j != NULL; j = j->next) {
+ for (GSList const* j = dragger->draggables; j != NULL; j = j->next) {
GrDraggable *d = (GrDraggable *) j->data;
SPGradient *gradient = sp_item_gradient (d->item, d->fill_or_stroke);
SPGradient *vector = sp_gradient_get_forked_vector_if_necessary (gradient, false);
SPStop *this_stop = sp_get_stop_i (vector, d->point_i);
- SPStop *next_stop = sp_next_stop (this_stop);
+ SPStop *next_stop = this_stop->getNextStop();
if (this_stop && next_stop) {
these_stops = g_slist_prepend (these_stops, this_stop);
next_stops = g_slist_prepend (next_stops, next_stop);
if (SP_IS_GRADIENT (parent)) {
doc = SP_OBJECT_DOCUMENT (parent);
sp_vector_add_stop (SP_GRADIENT (parent), this_stop, next_stop, offset);
- sp_gradient_ensure_vector (SP_GRADIENT (parent));
+ SP_GRADIENT(parent)->ensureVector();
}
}
if (g_slist_length(these_stops) > 0 && doc) {
- sp_document_done (doc, SP_VERB_CONTEXT_GRADIENT, _("Add gradient stop"));
+ DocumentUndo::done(doc, SP_VERB_CONTEXT_GRADIENT, _("Add gradient stop"));
drag->updateDraggers();
// so that it does not automatically update draggers in idle loop, as this would deselect
drag->local_change = true;
guint32 const c0 = sp_stop_get_rgba32(stop0);
guint32 const c2 = sp_stop_get_rgba32(stop2);
guint32 const c1r = sp_stop_get_rgba32(stop1);
- guint32 c1 = average_color (c0, c2,
+ guint32 c1 = average_color (c0, c2,
(stop1->offset - stop0->offset) / (stop2->offset - stop0->offset));
- double diff =
+ double diff =
sqr(SP_RGBA32_R_F(c1) - SP_RGBA32_R_F(c1r)) +
sqr(SP_RGBA32_G_F(c1) - SP_RGBA32_G_F(c1r)) +
sqr(SP_RGBA32_B_F(c1) - SP_RGBA32_B_F(c1r)) +
}
if (g_slist_length(todel) > 0) {
- sp_document_done (doc, SP_VERB_CONTEXT_GRADIENT, _("Simplify gradient"));
+ DocumentUndo::done(doc, SP_VERB_CONTEXT_GRADIENT, _("Simplify gradient"));
drag->local_change = true;
drag->updateDraggers();
drag->selectByCoords(coords);
ec->get_drag()->addStopNearPoint (item, mouse_p, tolerance/desktop->current_zoom());
- sp_document_done (sp_desktop_document (desktop), SP_VERB_CONTEXT_GRADIENT,
- _("Add gradient stop"));
+ DocumentUndo::done(sp_desktop_document (desktop), SP_VERB_CONTEXT_GRADIENT,
+ _("Add gradient stop"));
ec->get_drag()->updateDraggers();
}
@@ -527,8 +530,8 @@ sp_gradient_context_root_handler(SPEventContext *event_context, GdkEvent *event)
sp_gradient_reset_to_userspace(priv, item);
}
- sp_document_done (sp_desktop_document (desktop), SP_VERB_CONTEXT_GRADIENT,
- _("Create default gradient"));
+ DocumentUndo::done(sp_desktop_document (desktop), SP_VERB_CONTEXT_GRADIENT,
+ _("Create default gradient"));
}
ret = TRUE;
}
@@ -553,10 +556,10 @@ sp_gradient_context_root_handler(SPEventContext *event_context, GdkEvent *event)
if (!(event->button.state & GDK_CONTROL_MASK))
event_context->item_to_select = sp_event_context_find_item (desktop, button_w, event->button.state & GDK_MOD1_MASK, TRUE);
- /* Snap center to nearest magnetic point */
SnapManager &m = desktop->namedview->snap_manager;
m.setup(desktop);
- m.freeSnapReturnByRef(Inkscape::SnapPreferences::SNAPPOINT_NODE, button_dt);
+ m.freeSnapReturnByRef(button_dt, Inkscape::SNAPSOURCE_NODE_HANDLE);
+ m.unSetup();
rc->origin = from_2geom(button_dt);
}
@@ -591,6 +594,17 @@ sp_gradient_context_root_handler(SPEventContext *event_context, GdkEvent *event)
ret = TRUE;
} else {
+ if (!drag->mouseOver()) {
+ SnapManager &m = desktop->namedview->snap_manager;
+ m.setup(desktop);
+
+ Geom::Point const motion_w(event->motion.x, event->motion.y);
+ Geom::Point const motion_dt = event_context->desktop->w2d(motion_w);
+
+ m.preSnap(Inkscape::SnapCandidatePoint(motion_dt, Inkscape::SNAPSOURCE_NODE_HANDLE));
+ m.unSetup();
+ }
+
bool over_line = false;
if (drag->lines) {
for (GSList *l = drag->lines; l != NULL; l = l->next) {
@@ -630,7 +644,7 @@ sp_gradient_context_root_handler(SPEventContext *event_context, GdkEvent *event)
} else {
dragging = false;
- // unless clicked with Ctrl (to enable Ctrl+doubleclick).
+ // unless clicked with Ctrl (to enable Ctrl+doubleclick).
if (event->button.state & GDK_CONTROL_MASK) {
ret = TRUE;
break;
@@ -639,7 +653,7 @@ sp_gradient_context_root_handler(SPEventContext *event_context, GdkEvent *event)
if (!event_context->within_tolerance) {
// we've been dragging, either do nothing (grdrag handles that),
// or rubberband-select if we have rubberband
- Inkscape::Rubberband::Rubberband *r = Inkscape::Rubberband::get(desktop);
+ Inkscape::Rubberband *r = Inkscape::Rubberband::get(desktop);
if (r->is_started() && !event_context->within_tolerance) {
// this was a rubberband drag
if (r->getMode() == RUBBERBAND_MODE_RECT) {
@@ -667,7 +681,7 @@ sp_gradient_context_root_handler(SPEventContext *event_context, GdkEvent *event)
event_context->item_to_select = NULL;
ret = TRUE;
}
- Inkscape::Rubberband::get(desktop)->stop();
+ Inkscape::Rubberband::get(desktop)->stop();
}
break;
case GDK_KEY_PRESS:
@@ -801,8 +815,8 @@ sp_gradient_context_root_handler(SPEventContext *event_context, GdkEvent *event)
}
}
// we did an undoable action
- sp_document_done (sp_desktop_document (desktop), SP_VERB_CONTEXT_GRADIENT,
- _("Invert gradient"));
+ DocumentUndo::done(sp_desktop_document (desktop), SP_VERB_CONTEXT_GRADIENT,
+ _("Invert gradient"));
ret = TRUE;
}
break;
-1, // ignore number (though it is always 1)
fill_or_stroke, 99999, 99999, etime);
}
- // We did an undoable action, but sp_document_done will be called by the knot when released
+ // We did an undoable action, but SPDocumentUndo::done will be called by the knot when released
// status text; we do not track coords because this branch is run once, not all the time
// during drag
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 :