spray-tool.cpp revision 10b91e05790a5dfa741cdd1a0acf43a4b2e7b7a9
/*
* Spray Tool
*
* Authors:
* Pierre-Antoine MARC
* Pierre CACLIN
* Aurel-Aimé MARMION
* Julien LERAY
* Benoît LAVORATA
* Vincent MONTAGNE
* Pierre BARBRY-BLOT
* Steren GIANNINI (steren.giannini@gmail.com)
* Jon A. Cruz <jon@joncruz.org>
* Abhishek Sharma
*
* Copyright (C) 2009 authors
*
* Released under GNU GPL, read the file 'COPYING' for more information
*/
#include "config.h"
#include <numeric>
#include "ui/dialog/dialog-manager.h"
#include "svg/svg.h"
#include <glib.h>
#include "macros.h"
#include "document.h"
#include "document-undo.h"
#include "selection.h"
#include "desktop.h"
#include "desktop-events.h"
#include "desktop-handles.h"
#include "message-context.h"
#include "pixmaps/cursor-spray.xpm"
#include <boost/optional.hpp>
#include "xml/repr.h"
#include "context-fns.h"
#include "sp-item.h"
#include "inkscape.h"
#include "splivarot.h"
#include "sp-item-group.h"
#include "sp-shape.h"
#include "sp-path.h"
#include "path-chemistry.h"
#include "sp-text.h"
#include "sp-flowtext.h"
#include "display/sp-canvas.h"
#include "display/canvas-bpath.h"
#include "display/canvas-arena.h"
#include "display/curve.h"
#include "livarot/Shape.h"
#include <2geom/circle.h>
#include <2geom/transforms.h>
#include "preferences.h"
#include "style.h"
#include "box3d.h"
#include "sp-item-transform.h"
#include "filter-chemistry.h"
#include "ui/tools/spray-tool.h"
#include "helper/action.h"
#include "verbs.h"
#include <iostream>
#include <gtk/gtk.h>
#include <gdk/gdkkeysyms.h>
#include <glibmm/i18n.h>
using Inkscape::DocumentUndo;
using namespace std;
#define DDC_RED_RGBA 0xff0000ff
#define DYNA_MIN_WIDTH 1.0e-6
// Disabled in 0.91 because of Bug #1274831 (crash, spraying an object
// with the mode: spray object in single path)
// Please enable again when working on 1.0
#define ENABLE_SPRAY_MODE_SINGLE_PATH
#include "tool-factory.h"
namespace Inkscape {
namespace UI {
namespace Tools {
namespace {
ToolBase* createSprayContext() {
return new SprayTool();
}
bool sprayContextRegistered = ToolFactory::instance().registerObject("/tools/spray", createSprayContext);
}
const std::string& SprayTool::getPrefsPath() {
return SprayTool::prefsPath;
}
const std::string SprayTool::prefsPath = "/tools/spray";
/**
* This function returns pseudo-random numbers from a normal distribution
* @param mu : mean
* @param sigma : standard deviation ( > 0 )
*/
inline double NormalDistribution(double mu, double sigma)
{
// use Box Muller's algorithm
return mu + sigma * sqrt( -2.0 * log(g_random_double_range(0, 1)) ) * cos( 2.0*M_PI*g_random_double_range(0, 1) );
}
/* Method to rotate items */
static void sp_spray_rotate_rel(Geom::Point c, SPDesktop */*desktop*/, SPItem *item, Geom::Rotate const &rotation)
{
Geom::Translate const s(c);
Geom::Affine affine = s.inverse() * rotation * s;
// Rotate item.
item->set_i2d_affine(item->i2dt_affine() * affine);
// Use each item's own transform writer, consistent with sp_selection_apply_affine()
item->doWriteTransform(item->getRepr(), item->transform);
// Restore the center position (it's changed because the bbox center changed)
if (item->isCenterSet()) {
item->setCenter(c);
item->updateRepr();
}
}
/* Method to scale items */
static void sp_spray_scale_rel(Geom::Point c, SPDesktop */*desktop*/, SPItem *item, Geom::Scale const &scale)
{
Geom::Translate const s(c);
item->set_i2d_affine(item->i2dt_affine() * s.inverse() * scale * s);
item->doWriteTransform(item->getRepr(), item->transform);
}
SprayTool::SprayTool()
: ToolBase(cursor_spray_xpm, 4, 4, false)
, pressure(TC_DEFAULT_PRESSURE)
, dragging(false)
, usepressure(0)
, usetilt(0)
, usetext(false)
, width(0.2)
, ratio(0)
, tilt(0)
, rotation_variation(0)
, force(0.2)
, population(0)
, scale_variation(1)
, scale(1)
, mean(0.2)
, standard_deviation(0.2)
, distrib(1)
, mode(0)
, is_drawing(false)
, is_dilating(false)
, has_dilated(false)
, dilate_area(NULL)
{
}
SprayTool::~SprayTool() {
this->enableGrDrag(false);
this->style_set_connection.disconnect();
if (this->dilate_area) {
sp_canvas_item_destroy(this->dilate_area);
this->dilate_area = NULL;
}
}
static bool is_transform_modes(gint mode)
{
return (mode == SPRAY_MODE_COPY ||
mode == SPRAY_MODE_CLONE ||
mode == SPRAY_MODE_SINGLE_PATH ||
mode == SPRAY_OPTION);
}
void SprayTool::update_cursor(bool /*with_shift*/) {
guint num = 0;
gchar *sel_message = NULL;
if (!desktop->selection->isEmpty()) {
num = g_slist_length(const_cast<GSList *>(desktop->selection->itemList()));
sel_message = g_strdup_printf(ngettext("<b>%i</b> object selected","<b>%i</b> objects selected",num), num);
} else {
sel_message = g_strdup_printf("%s", _("<b>Nothing</b> selected"));
}
switch (this->mode) {
case SPRAY_MODE_COPY:
this->message_context->setF(Inkscape::NORMAL_MESSAGE, _("%s. Drag, click or click and scroll to spray <b>copies</b> of the initial selection."), sel_message);
break;
case SPRAY_MODE_CLONE:
this->message_context->setF(Inkscape::NORMAL_MESSAGE, _("%s. Drag, click or click and scroll to spray <b>clones</b> of the initial selection."), sel_message);
break;
case SPRAY_MODE_SINGLE_PATH:
this->message_context->setF(Inkscape::NORMAL_MESSAGE, _("%s. Drag, click or click and scroll to spray in a <b>single path</b> of the initial selection."), sel_message);
break;
default:
break;
}
this->sp_event_context_update_cursor();
g_free(sel_message);
}
void SprayTool::setup() {
ToolBase::setup();
{
/* TODO: have a look at sp_dyna_draw_context_setup where the same is done.. generalize? at least make it an arcto! */
Geom::PathVector path;
Geom::Circle(0, 0, 1).getPath(path);
SPCurve *c = new SPCurve(path);
this->dilate_area = sp_canvas_bpath_new(sp_desktop_controls(this->desktop), c);
c->unref();
sp_canvas_bpath_set_fill(SP_CANVAS_BPATH(this->dilate_area), 0x00000000,(SPWindRule)0);
sp_canvas_bpath_set_stroke(SP_CANVAS_BPATH(this->dilate_area), 0xff9900ff, 1.0, SP_STROKE_LINEJOIN_MITER, SP_STROKE_LINECAP_BUTT);
sp_canvas_item_hide(this->dilate_area);
}
this->is_drawing = false;
sp_event_context_read(this, "distrib");
sp_event_context_read(this, "width");
sp_event_context_read(this, "ratio");
sp_event_context_read(this, "tilt");
sp_event_context_read(this, "rotation_variation");
sp_event_context_read(this, "scale_variation");
sp_event_context_read(this, "mode");
sp_event_context_read(this, "population");
sp_event_context_read(this, "force");
sp_event_context_read(this, "mean");
sp_event_context_read(this, "standard_deviation");
sp_event_context_read(this, "usepressure");
sp_event_context_read(this, "Scale");
Inkscape::Preferences *prefs = Inkscape::Preferences::get();
if (prefs->getBool("/tools/spray/selcue")) {
this->enableSelectionCue();
}
if (prefs->getBool("/tools/spray/gradientdrag")) {
this->enableGrDrag();
}
}
void SprayTool::set(const Inkscape::Preferences::Entry& val) {
Glib::ustring path = val.getEntryName();
if (path == "mode") {
this->mode = val.getInt();
this->update_cursor(false);
} else if (path == "width") {
this->width = 0.01 * CLAMP(val.getInt(10), 1, 100);
} else if (path == "usepressure") {
this->usepressure = val.getBool();
} else if (path == "population") {
this->population = 0.01 * CLAMP(val.getInt(10), 1, 100);
} else if (path == "rotation_variation") {
this->rotation_variation = CLAMP(val.getDouble(0.0), 0, 100.0);
} else if (path == "scale_variation") {
this->scale_variation = CLAMP(val.getDouble(1.0), 0, 100.0);
} else if (path == "standard_deviation") {
this->standard_deviation = 0.01 * CLAMP(val.getInt(10), 1, 100);
} else if (path == "mean") {
this->mean = 0.01 * CLAMP(val.getInt(10), 1, 100);
// Not implemented in the toolbar and preferences yet
} else if (path == "distribution") {
this->distrib = val.getInt(1);
} else if (path == "tilt") {
this->tilt = CLAMP(val.getDouble(0.1), 0, 1000.0);
} else if (path == "ratio") {
this->ratio = CLAMP(val.getDouble(), 0.0, 0.9);
} else if (path == "force") {
this->force = CLAMP(val.getDouble(1.0), 0, 1.0);
}
}
static void sp_spray_extinput(SprayTool *tc, GdkEvent *event)
{
if (gdk_event_get_axis(event, GDK_AXIS_PRESSURE, &tc->pressure)) {
tc->pressure = CLAMP(tc->pressure, TC_MIN_PRESSURE, TC_MAX_PRESSURE);
} else {
tc->pressure = TC_DEFAULT_PRESSURE;
}
}
static double get_dilate_radius(SprayTool *tc)
{
return 250 * tc->width/SP_EVENT_CONTEXT(tc)->desktop->current_zoom();
}
static double get_path_force(SprayTool *tc)
{
double force = 8 * (tc->usepressure? tc->pressure : TC_DEFAULT_PRESSURE)
/sqrt(SP_EVENT_CONTEXT(tc)->desktop->current_zoom());
if (force > 3) {
force += 4 * (force - 3);
}
return force * tc->force;
}
static double get_path_mean(SprayTool *tc)
{
return tc->mean;
}
static double get_path_standard_deviation(SprayTool *tc)
{
return tc->standard_deviation;
}
static double get_move_force(SprayTool *tc)
{
double force = (tc->usepressure? tc->pressure : TC_DEFAULT_PRESSURE);
return force * tc->force;
}
static double get_move_mean(SprayTool *tc)
{
return tc->mean;
}
static double get_move_standard_deviation(SprayTool *tc)
{
return tc->standard_deviation;
}
/**
* Method to handle the distribution of the items
* @param[out] radius : radius of the position of the sprayed object
* @param[out] angle : angle of the position of the sprayed object
* @param[in] a : mean
* @param[in] s : standard deviation
* @param[in] choice :
*/
static void random_position(double &radius, double &angle, double &a, double &s, int /*choice*/)
{
// angle is taken from an uniform distribution
angle = g_random_double_range(0, M_PI*2.0);
// radius is taken from a Normal Distribution
double radius_temp =-1;
while(!((radius_temp >= 0) && (radius_temp <=1 )))
{
radius_temp = NormalDistribution(a, s);
}
// Because we are in polar coordinates, a special treatment has to be done to the radius.
// Otherwise, positions taken from an uniform repartition on radius and angle will not seam to
// be uniformily distributed on the disk (more at the center and less at the boundary).
// We counter this effect with a 0.5 exponent. This is empiric.
radius = pow(radius_temp, 0.5);
}
static bool sp_spray_recursive(SPDesktop *desktop,
Inkscape::Selection *selection,
SPItem *item,
Geom::Point p,
Geom::Point /*vector*/,
gint mode,
double radius,
double /*force*/,
double population,
double &scale,
double scale_variation,
bool /*reverse*/,
double mean,
double standard_deviation,
double ratio,
double tilt,
double rotation_variation,
gint _distrib)
{
bool did = false;
if (SP_IS_BOX3D(item) ) {
// convert 3D boxes to ordinary groups before spraying their shapes
item = box3d_convert_to_group(SP_BOX3D(item));
selection->add(item);
}
double _fid = g_random_double_range(0, 1);
double angle = g_random_double_range( - rotation_variation / 100.0 * M_PI , rotation_variation / 100.0 * M_PI );
double _scale = g_random_double_range( 1.0 - scale_variation / 100.0, 1.0 + scale_variation / 100.0 );
double dr; double dp;
random_position( dr, dp, mean, standard_deviation, _distrib );
dr=dr*radius;
if (mode == SPRAY_MODE_COPY) {
Geom::OptRect a = item->documentVisualBounds();
if (a) {
SPItem *item_copied;
if(_fid <= population)
{
// Duplicate
SPDocument *doc = item->document;
Inkscape::XML::Document* xml_doc = doc->getReprDoc();
Inkscape::XML::Node *old_repr = item->getRepr();
Inkscape::XML::Node *parent = old_repr->parent();
Inkscape::XML::Node *copy = old_repr->duplicate(xml_doc);
parent->appendChild(copy);
SPObject *new_obj = doc->getObjectByRepr(copy);
item_copied = SP_ITEM(new_obj); // Convertion object->item
Geom::Point center=item->getCenter();
sp_spray_scale_rel(center,desktop, item_copied, Geom::Scale(_scale,_scale));
sp_spray_scale_rel(center,desktop, item_copied, Geom::Scale(scale,scale));
sp_spray_rotate_rel(center,desktop,item_copied, Geom::Rotate(angle));
// Move the cursor p
Geom::Point move = (Geom::Point(cos(tilt)*cos(dp)*dr/(1-ratio)+sin(tilt)*sin(dp)*dr/(1+ratio), -sin(tilt)*cos(dp)*dr/(1-ratio)+cos(tilt)*sin(dp)*dr/(1+ratio)))+(p-a->midpoint());
sp_item_move_rel(item_copied, Geom::Translate(move[Geom::X], -move[Geom::Y]));
did = true;
}
}
#ifdef ENABLE_SPRAY_MODE_SINGLE_PATH
} else if (mode == SPRAY_MODE_SINGLE_PATH) {
SPItem *parent_item = NULL; // Initial object
SPItem *item_copied = NULL; // Projected object
SPItem *unionResult = NULL; // Previous union
int i=1;
for (GSList *items = g_slist_copy(const_cast<GSList *>(selection->itemList()));
items != NULL;
items = items->next) {
SPItem *item1 = SP_ITEM(items->data);
if (i == 1) {
parent_item = item1;
}
if (i == 2) {
unionResult = item1;
}
i++;
}
SPDocument *doc = parent_item->document;
Inkscape::XML::Document* xml_doc = doc->getReprDoc();
Inkscape::XML::Node *old_repr = parent_item->getRepr();
Inkscape::XML::Node *parent = old_repr->parent();
Geom::OptRect a = parent_item->documentVisualBounds();
if (a) {
if (_fid <= population) { // Rules the population of objects sprayed
// Duplicates the parent item
Inkscape::XML::Node *copy = old_repr->duplicate(xml_doc);
parent->appendChild(copy);
SPObject *new_obj = doc->getObjectByRepr(copy);
item_copied = SP_ITEM(new_obj);
// Move around the cursor
Geom::Point move = (Geom::Point(cos(tilt)*cos(dp)*dr/(1-ratio)+sin(tilt)*sin(dp)*dr/(1+ratio), -sin(tilt)*cos(dp)*dr/(1-ratio)+cos(tilt)*sin(dp)*dr/(1+ratio)))+(p-a->midpoint());
Geom::Point center = parent_item->getCenter();
sp_spray_scale_rel(center, desktop, item_copied, Geom::Scale(_scale, _scale));
sp_spray_scale_rel(center, desktop, item_copied, Geom::Scale(scale, scale));
sp_spray_rotate_rel(center, desktop, item_copied, Geom::Rotate(angle));
sp_item_move_rel(item_copied, Geom::Translate(move[Geom::X], -move[Geom::Y]));
// Union and duplication
selection->clear();
selection->add(item_copied);
if (unionResult) { // No need to add the very first item (initialized with NULL).
selection->add(unionResult);
}
sp_selected_path_union_skip_undo(selection, selection->desktop());
selection->add(parent_item);
Inkscape::GC::release(copy);
did = true;
}
}
#endif
} else if (mode == SPRAY_MODE_CLONE) {
Geom::OptRect a = item->documentVisualBounds();
if (a) {
if(_fid <= population) {
SPItem *item_copied;
SPDocument *doc = item->document;
Inkscape::XML::Document* xml_doc = doc->getReprDoc();
Inkscape::XML::Node *old_repr = item->getRepr();
Inkscape::XML::Node *parent = old_repr->parent();
// Creation of the clone
Inkscape::XML::Node *clone = xml_doc->createElement("svg:use");
// Ad the clone to the list of the parent's children
parent->appendChild(clone);
// Generates the link between parent and child attributes
gchar *href_str = g_strdup_printf("#%s", old_repr->attribute("id"));
clone->setAttribute("xlink:href", href_str, false);
g_free(href_str);
SPObject *clone_object = doc->getObjectByRepr(clone);
// Conversion object->item
item_copied = SP_ITEM(clone_object);
Geom::Point center = item->getCenter();
sp_spray_scale_rel(center, desktop, item_copied, Geom::Scale(_scale, _scale));
sp_spray_scale_rel(center, desktop, item_copied, Geom::Scale(scale, scale));
sp_spray_rotate_rel(center, desktop, item_copied, Geom::Rotate(angle));
Geom::Point move = (Geom::Point(cos(tilt)*cos(dp)*dr/(1-ratio)+sin(tilt)*sin(dp)*dr/(1+ratio), -sin(tilt)*cos(dp)*dr/(1-ratio)+cos(tilt)*sin(dp)*dr/(1+ratio)))+(p-a->midpoint());
sp_item_move_rel(item_copied, Geom::Translate(move[Geom::X], -move[Geom::Y]));
Inkscape::GC::release(clone);
did = true;
}
}
}
return did;
}
static bool sp_spray_dilate(SprayTool *tc, Geom::Point /*event_p*/, Geom::Point p, Geom::Point vector, bool reverse)
{
SPDesktop *desktop = tc->desktop;
Inkscape::Selection *selection = sp_desktop_selection(desktop);
if (selection->isEmpty()) {
return false;
}
bool did = false;
double radius = get_dilate_radius(tc);
double path_force = get_path_force(tc);
if (radius == 0 || path_force == 0) {
return false;
}
double path_mean = get_path_mean(tc);
if (radius == 0 || path_mean == 0) {
return false;
}
double path_standard_deviation = get_path_standard_deviation(tc);
if (radius == 0 || path_standard_deviation == 0) {
return false;
}
double move_force = get_move_force(tc);
double move_mean = get_move_mean(tc);
double move_standard_deviation = get_move_standard_deviation(tc);
{
GSList *const original_selection = g_slist_copy(const_cast<GSList *>(selection->itemList()));
for (GSList *items = original_selection;
items != NULL;
items = items->next) {
sp_object_ref(SP_ITEM(items->data));
}
for (GSList *items = original_selection;
items != NULL;
items = items->next) {
SPItem *item = SP_ITEM(items->data);
if (is_transform_modes(tc->mode)) {
if (sp_spray_recursive(desktop, selection, item, p, vector, tc->mode, radius, move_force, tc->population, tc->scale, tc->scale_variation, reverse, move_mean, move_standard_deviation, tc->ratio, tc->tilt, tc->rotation_variation, tc->distrib)) {
did = true;
}
} else {
if (sp_spray_recursive(desktop, selection, item, p, vector, tc->mode, radius, path_force, tc->population, tc->scale, tc->scale_variation, reverse, path_mean, path_standard_deviation, tc->ratio, tc->tilt, tc->rotation_variation, tc->distrib)) {
did = true;
}
}
}
for (GSList *items = original_selection;
items != NULL;
items = items->next) {
sp_object_unref(SP_ITEM(items->data));
}
}
return did;
}
static void sp_spray_update_area(SprayTool *tc)
{
double radius = get_dilate_radius(tc);
Geom::Affine const sm ( Geom::Scale(radius/(1-tc->ratio), radius/(1+tc->ratio)) );
sp_canvas_item_affine_absolute(tc->dilate_area, (sm* Geom::Rotate(tc->tilt))* Geom::Translate(SP_EVENT_CONTEXT(tc)->desktop->point()));
sp_canvas_item_show(tc->dilate_area);
}
static void sp_spray_switch_mode(SprayTool *tc, gint mode, bool with_shift)
{
// Select the button mode
SP_EVENT_CONTEXT(tc)->desktop->setToolboxSelectOneValue("spray_tool_mode", mode);
// Need to set explicitly, because the prefs may not have changed by the previous
tc->mode = mode;
tc->update_cursor(with_shift);
}
bool SprayTool::root_handler(GdkEvent* event) {
gint ret = FALSE;
switch (event->type) {
case GDK_ENTER_NOTIFY:
sp_canvas_item_show(this->dilate_area);
break;
case GDK_LEAVE_NOTIFY:
sp_canvas_item_hide(this->dilate_area);
break;
case GDK_BUTTON_PRESS:
if (event->button.button == 1 && !this->space_panning) {
if (Inkscape::have_viable_layer(desktop, this->message_context) == false) {
return TRUE;
}
Geom::Point const motion_w(event->button.x, event->button.y);
Geom::Point const motion_dt(desktop->w2d(motion_w));
this->last_push = desktop->dt2doc(motion_dt);
sp_spray_extinput(this, event);
desktop->canvas->forceFullRedrawAfterInterruptions(3);
this->is_drawing = true;
this->is_dilating = true;
this->has_dilated = false;
if(this->is_dilating && event->button.button == 1 && !this->space_panning) {
sp_spray_dilate(this, motion_w, desktop->dt2doc(motion_dt), Geom::Point(0,0), MOD__SHIFT(event));
}
this->has_dilated = true;
ret = TRUE;
}
break;
case GDK_MOTION_NOTIFY: {
Geom::Point const motion_w(event->motion.x,
event->motion.y);
Geom::Point motion_dt(desktop->w2d(motion_w));
Geom::Point motion_doc(desktop->dt2doc(motion_dt));
sp_spray_extinput(this, event);
// Draw the dilating cursor
double radius = get_dilate_radius(this);
Geom::Affine const sm (Geom::Scale(radius/(1-this->ratio), radius/(1+this->ratio)) );
sp_canvas_item_affine_absolute(this->dilate_area, (sm*Geom::Rotate(this->tilt))*Geom::Translate(desktop->w2d(motion_w)));
sp_canvas_item_show(this->dilate_area);
guint num = 0;
if (!desktop->selection->isEmpty()) {
num = g_slist_length(const_cast<GSList *>(desktop->selection->itemList()));
}
if (num == 0) {
this->message_context->flash(Inkscape::ERROR_MESSAGE, _("<b>Nothing selected!</b> Select objects to spray."));
}
// Dilating:
if (this->is_drawing && ( event->motion.state & GDK_BUTTON1_MASK )) {
sp_spray_dilate(this, motion_w, motion_doc, motion_doc - this->last_push, event->button.state & GDK_SHIFT_MASK? true : false);
//this->last_push = motion_doc;
this->has_dilated = true;
// It's slow, so prevent clogging up with events
gobble_motion_events(GDK_BUTTON1_MASK);
return TRUE;
}
}
break;
/* Spray with the scroll */
case GDK_SCROLL: {
if (event->scroll.state & GDK_BUTTON1_MASK) {
double temp ;
temp = this->population;
this->population = 1.0;
desktop->setToolboxAdjustmentValue("population", this->population * 100);
Geom::Point const scroll_w(event->button.x, event->button.y);
Geom::Point const scroll_dt = desktop->point();;
switch (event->scroll.direction) {
case GDK_SCROLL_DOWN:
case GDK_SCROLL_UP: {
if (Inkscape::have_viable_layer(desktop, this->message_context) == false) {
return TRUE;
}
this->last_push = desktop->dt2doc(scroll_dt);
sp_spray_extinput(this, event);
desktop->canvas->forceFullRedrawAfterInterruptions(3);
this->is_drawing = true;
this->is_dilating = true;
this->has_dilated = false;
if(this->is_dilating && !this->space_panning) {
sp_spray_dilate(this, scroll_w, desktop->dt2doc(scroll_dt), Geom::Point(0,0), false);
}
this->has_dilated = true;
this->population = temp;
desktop->setToolboxAdjustmentValue("population", this->population * 100);
ret = TRUE;
}
break;
case GDK_SCROLL_RIGHT:
{} break;
case GDK_SCROLL_LEFT:
{} break;
}
}
break;
}
case GDK_BUTTON_RELEASE: {
Geom::Point const motion_w(event->button.x, event->button.y);
Geom::Point const motion_dt(desktop->w2d(motion_w));
desktop->canvas->endForcedFullRedraws();
this->is_drawing = false;
if (this->is_dilating && event->button.button == 1 && !this->space_panning) {
if (!this->has_dilated) {
// If we did not rub, do a light tap
this->pressure = 0.03;
sp_spray_dilate(this, motion_w, desktop->dt2doc(motion_dt), Geom::Point(0,0), MOD__SHIFT(event));
}
this->is_dilating = false;
this->has_dilated = false;
switch (this->mode) {
case SPRAY_MODE_COPY:
DocumentUndo::done(sp_desktop_document(SP_EVENT_CONTEXT(this)->desktop),
SP_VERB_CONTEXT_SPRAY, _("Spray with copies"));
break;
case SPRAY_MODE_CLONE:
DocumentUndo::done(sp_desktop_document(SP_EVENT_CONTEXT(this)->desktop),
SP_VERB_CONTEXT_SPRAY, _("Spray with clones"));
break;
case SPRAY_MODE_SINGLE_PATH:
DocumentUndo::done(sp_desktop_document(SP_EVENT_CONTEXT(this)->desktop),
SP_VERB_CONTEXT_SPRAY, _("Spray in single path"));
break;
}
}
break;
}
case GDK_KEY_PRESS:
switch (get_group0_keyval (&event->key)) {
case GDK_KEY_j:
case GDK_KEY_J:
if (MOD__SHIFT_ONLY(event)) {
sp_spray_switch_mode(this, SPRAY_MODE_COPY, MOD__SHIFT(event));
ret = TRUE;
}
break;
case GDK_KEY_k:
case GDK_KEY_K:
if (MOD__SHIFT_ONLY(event)) {
sp_spray_switch_mode(this, SPRAY_MODE_CLONE, MOD__SHIFT(event));
ret = TRUE;
}
break;
#ifdef ENABLE_SPRAY_MODE_SINGLE_PATH
case GDK_KEY_l:
case GDK_KEY_L:
if (MOD__SHIFT_ONLY(event)) {
sp_spray_switch_mode(this, SPRAY_MODE_SINGLE_PATH, MOD__SHIFT(event));
ret = TRUE;
}
break;
#endif
case GDK_KEY_Up:
case GDK_KEY_KP_Up:
if (!MOD__CTRL_ONLY(event)) {
this->population += 0.01;
if (this->population > 1.0) {
this->population = 1.0;
}
desktop->setToolboxAdjustmentValue("spray-population", this->population * 100);
ret = TRUE;
}
break;
case GDK_KEY_Down:
case GDK_KEY_KP_Down:
if (!MOD__CTRL_ONLY(event)) {
this->population -= 0.01;
if (this->population < 0.0) {
this->population = 0.0;
}
desktop->setToolboxAdjustmentValue("spray-population", this->population * 100);
ret = TRUE;
}
break;
case GDK_KEY_Right:
case GDK_KEY_KP_Right:
if (!MOD__CTRL_ONLY(event)) {
this->width += 0.01;
if (this->width > 1.0) {
this->width = 1.0;
}
// The same spinbutton is for alt+x
desktop->setToolboxAdjustmentValue("altx-spray", this->width * 100);
sp_spray_update_area(this);
ret = TRUE;
}
break;
case GDK_KEY_Left:
case GDK_KEY_KP_Left:
if (!MOD__CTRL_ONLY(event)) {
this->width -= 0.01;
if (this->width < 0.01) {
this->width = 0.01;
}
desktop->setToolboxAdjustmentValue("altx-spray", this->width * 100);
sp_spray_update_area(this);
ret = TRUE;
}
break;
case GDK_KEY_Home:
case GDK_KEY_KP_Home:
this->width = 0.01;
desktop->setToolboxAdjustmentValue("altx-spray", this->width * 100);
sp_spray_update_area(this);
ret = TRUE;
break;
case GDK_KEY_End:
case GDK_KEY_KP_End:
this->width = 1.0;
desktop->setToolboxAdjustmentValue("altx-spray", this->width * 100);
sp_spray_update_area(this);
ret = TRUE;
break;
case GDK_KEY_x:
case GDK_KEY_X:
if (MOD__ALT_ONLY(event)) {
desktop->setToolboxFocusTo("altx-spray");
ret = TRUE;
}
break;
case GDK_KEY_Shift_L:
case GDK_KEY_Shift_R:
this->update_cursor(true);
break;
case GDK_KEY_Control_L:
case GDK_KEY_Control_R:
break;
case GDK_KEY_Delete:
case GDK_KEY_KP_Delete:
case GDK_KEY_BackSpace:
ret = this->deleteSelectedDrag(MOD__CTRL_ONLY(event));
break;
default:
break;
}
break;
case GDK_KEY_RELEASE: {
Inkscape::Preferences *prefs = Inkscape::Preferences::get();
switch (get_group0_keyval(&event->key)) {
case GDK_KEY_Shift_L:
case GDK_KEY_Shift_R:
this->update_cursor(false);
break;
case GDK_KEY_Control_L:
case GDK_KEY_Control_R:
sp_spray_switch_mode (this, prefs->getInt("/tools/spray/mode"), MOD__SHIFT(event));
this->message_context->clear();
break;
default:
sp_spray_switch_mode (this, prefs->getInt("/tools/spray/mode"), MOD__SHIFT(event));
break;
}
}
default:
break;
}
if (!ret) {
// if ((SP_EVENT_CONTEXT_CLASS(sp_spray_context_parent_class))->root_handler) {
// ret = (SP_EVENT_CONTEXT_CLASS(sp_spray_context_parent_class))->root_handler(event_context, event);
// }
ret = ToolBase::root_handler(event);
}
return ret;
}
}
}
}
/*
Local Variables:
mode:c++
c-file-style:"stroustrup"
c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
indent-tabs-mode:nil
fill-column:99
End:
*/
// vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:fileencoding=utf-8:textwidth=99 :