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Diffstat (limited to 'src/ui/tools/tweak-tool.cpp')
| -rw-r--r-- | src/ui/tools/tweak-tool.cpp | 1489 |
1 files changed, 1489 insertions, 0 deletions
diff --git a/src/ui/tools/tweak-tool.cpp b/src/ui/tools/tweak-tool.cpp new file mode 100644 index 0000000..d87d3f2 --- /dev/null +++ b/src/ui/tools/tweak-tool.cpp @@ -0,0 +1,1489 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +/* + * tweaking paths without node editing + * + * Authors: + * bulia byak + * Jon A. Cruz <jon@joncruz.org> + * Abhishek Sharma + * + * Copyright (C) 2007 authors + * + * Released under GNU GPL v2+, read the file 'COPYING' for more information. + */ + +#include "tweak-tool.h" + +#include <numeric> + +#include <gtk/gtk.h> +#include <gdk/gdkkeysyms.h> +#include <glibmm/i18n.h> + +#include <2geom/circle.h> + +#include "context-fns.h" +#include "desktop-events.h" +#include "desktop-style.h" +#include "desktop.h" +#include "document-undo.h" +#include "document.h" +#include "filter-chemistry.h" +#include "gradient-chemistry.h" +#include "inkscape.h" +#include "include/macros.h" +#include "message-context.h" +#include "path-chemistry.h" +#include "selection.h" +#include "style.h" + +#include "display/curve.h" +#include "display/control/canvas-item-bpath.h" + +#include "livarot/Path.h" +#include "livarot/Shape.h" + +#include "object/box3d.h" +#include "object/filters/gaussian-blur.h" +#include "object/sp-flowtext.h" +#include "object/sp-item-transform.h" +#include "object/sp-linear-gradient.h" +#include "object/sp-mesh-gradient.h" +#include "object/sp-path.h" +#include "object/sp-radial-gradient.h" +#include "object/sp-stop.h" +#include "object/sp-text.h" + +#include "path/path-util.h" + +#include "svg/svg.h" + +#include "ui/icon-names.h" +#include "ui/toolbar/tweak-toolbar.h" + + +using Inkscape::DocumentUndo; + +#define DDC_RED_RGBA 0xff0000ff + +#define DYNA_MIN_WIDTH 1.0e-6 + +namespace Inkscape { +namespace UI { +namespace Tools { + +TweakTool::TweakTool(SPDesktop *desktop) + : ToolBase(desktop, "/tools/tweak", "tweak-push.svg") + , pressure(TC_DEFAULT_PRESSURE) + , dragging(false) + , usepressure(false) + , usetilt(false) + , width(0.2) + , force(0.2) + , fidelity(0) + , mode(0) + , is_drawing(false) + , is_dilating(false) + , has_dilated(false) + , dilate_area(nullptr) + , do_h(true) + , do_s(true) + , do_l(true) + , do_o(false) +{ + dilate_area = new Inkscape::CanvasItemBpath(desktop->getCanvasSketch()); + dilate_area->set_stroke(0xff9900ff); + dilate_area->set_fill(0x0, SP_WIND_RULE_EVENODD); + dilate_area->hide(); + + this->is_drawing = false; + + sp_event_context_read(this, "width"); + sp_event_context_read(this, "mode"); + sp_event_context_read(this, "fidelity"); + sp_event_context_read(this, "force"); + sp_event_context_read(this, "usepressure"); + sp_event_context_read(this, "doh"); + sp_event_context_read(this, "dol"); + sp_event_context_read(this, "dos"); + sp_event_context_read(this, "doo"); + + this->style_set_connection = desktop->connectSetStyle( // catch style-setting signal in this tool + //sigc::bind(sigc::ptr_fun(&sp_tweak_context_style_set), this) + sigc::mem_fun(this, &TweakTool::set_style) + ); + + Inkscape::Preferences *prefs = Inkscape::Preferences::get(); + if (prefs->getBool("/tools/tweak/selcue")) { + this->enableSelectionCue(); + } + if (prefs->getBool("/tools/tweak/gradientdrag")) { + this->enableGrDrag(); + } +} + +TweakTool::~TweakTool() { + this->enableGrDrag(false); + + this->style_set_connection.disconnect(); + + if (this->dilate_area) { + delete this->dilate_area; + this->dilate_area = nullptr; + } +} + +static bool is_transform_mode (gint mode) +{ + return (mode == TWEAK_MODE_MOVE || + mode == TWEAK_MODE_MOVE_IN_OUT || + mode == TWEAK_MODE_MOVE_JITTER || + mode == TWEAK_MODE_SCALE || + mode == TWEAK_MODE_ROTATE || + mode == TWEAK_MODE_MORELESS); +} + +static bool is_color_mode (gint mode) +{ + return (mode == TWEAK_MODE_COLORPAINT || mode == TWEAK_MODE_COLORJITTER || mode == TWEAK_MODE_BLUR); +} + +void TweakTool::update_cursor (bool with_shift) { + guint num = 0; + gchar *sel_message = nullptr; + + if (!_desktop->selection->isEmpty()) { + num = (guint)boost::distance(_desktop->selection->items()); + 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 TWEAK_MODE_MOVE: + this->message_context->setF(Inkscape::NORMAL_MESSAGE, _("%s. Drag to <b>move</b>."), sel_message); + this->set_cursor("tweak-move.svg"); + break; + case TWEAK_MODE_MOVE_IN_OUT: + this->message_context->setF(Inkscape::NORMAL_MESSAGE, _("%s. Drag or click to <b>move in</b>; with Shift to <b>move out</b>."), sel_message); + if (with_shift) { + this->set_cursor("tweak-move-out.svg"); + } else { + this->set_cursor("tweak-move-in.svg"); + } + break; + case TWEAK_MODE_MOVE_JITTER: + this->message_context->setF(Inkscape::NORMAL_MESSAGE, _("%s. Drag or click to <b>move randomly</b>."), sel_message); + this->set_cursor("tweak-move-jitter.svg"); + break; + case TWEAK_MODE_SCALE: + this->message_context->setF(Inkscape::NORMAL_MESSAGE, _("%s. Drag or click to <b>scale down</b>; with Shift to <b>scale up</b>."), sel_message); + if (with_shift) { + this->set_cursor("tweak-scale-up.svg"); + } else { + this->set_cursor("tweak-scale-down.svg"); + } + break; + case TWEAK_MODE_ROTATE: + this->message_context->setF(Inkscape::NORMAL_MESSAGE, _("%s. Drag or click to <b>rotate clockwise</b>; with Shift, <b>counterclockwise</b>."), sel_message); + if (with_shift) { + this->set_cursor("tweak-rotate-counterclockwise.svg"); + } else { + this->set_cursor("tweak-rotate-clockwise.svg"); + } + break; + case TWEAK_MODE_MORELESS: + this->message_context->setF(Inkscape::NORMAL_MESSAGE, _("%s. Drag or click to <b>duplicate</b>; with Shift, <b>delete</b>."), sel_message); + if (with_shift) { + this->set_cursor("tweak-less.svg"); + } else { + this->set_cursor("tweak-more.svg"); + } + break; + case TWEAK_MODE_PUSH: + this->message_context->setF(Inkscape::NORMAL_MESSAGE, _("%s. Drag to <b>push paths</b>."), sel_message); + this->set_cursor("tweak-push.svg"); + break; + case TWEAK_MODE_SHRINK_GROW: + this->message_context->setF(Inkscape::NORMAL_MESSAGE, _("%s. Drag or click to <b>inset paths</b>; with Shift to <b>outset</b>."), sel_message); + if (with_shift) { + this->set_cursor("tweak-outset.svg"); + } else { + this->set_cursor("tweak-inset.svg"); + } + break; + case TWEAK_MODE_ATTRACT_REPEL: + this->message_context->setF(Inkscape::NORMAL_MESSAGE, _("%s. Drag or click to <b>attract paths</b>; with Shift to <b>repel</b>."), sel_message); + if (with_shift) { + this->set_cursor("tweak-repel.svg"); + } else { + this->set_cursor("tweak-attract.svg"); + } + break; + case TWEAK_MODE_ROUGHEN: + this->message_context->setF(Inkscape::NORMAL_MESSAGE, _("%s. Drag or click to <b>roughen paths</b>."), sel_message); + this->set_cursor("tweak-roughen.svg"); + break; + case TWEAK_MODE_COLORPAINT: + this->message_context->setF(Inkscape::NORMAL_MESSAGE, _("%s. Drag or click to <b>paint objects</b> with color."), sel_message); + this->set_cursor("tweak-color.svg"); + break; + case TWEAK_MODE_COLORJITTER: + this->message_context->setF(Inkscape::NORMAL_MESSAGE, _("%s. Drag or click to <b>randomize colors</b>."), sel_message); + this->set_cursor("tweak-color.svg"); + break; + case TWEAK_MODE_BLUR: + this->message_context->setF(Inkscape::NORMAL_MESSAGE, _("%s. Drag or click to <b>increase blur</b>; with Shift to <b>decrease</b>."), sel_message); + this->set_cursor("tweak-color.svg"); + break; + } + g_free(sel_message); +} + +bool TweakTool::set_style(const SPCSSAttr* css) { + if (this->mode == TWEAK_MODE_COLORPAINT) { // intercept color setting only in this mode + // we cannot store properties with uris + css = sp_css_attr_unset_uris(const_cast<SPCSSAttr *>(css)); + Inkscape::Preferences *prefs = Inkscape::Preferences::get(); + prefs->setStyle("/tools/tweak/style", const_cast<SPCSSAttr *>(css)); + return true; + } + + return false; +} + +void TweakTool::set(const Inkscape::Preferences::Entry& val) { + Glib::ustring path = val.getEntryName(); + + if (path == "width") { + this->width = CLAMP(val.getDouble(0.1), -1000.0, 1000.0); + } else if (path == "mode") { + this->mode = val.getInt(); + this->update_cursor(false); + } else if (path == "fidelity") { + this->fidelity = CLAMP(val.getDouble(), 0.0, 1.0); + } else if (path == "force") { + this->force = CLAMP(val.getDouble(1.0), 0, 1.0); + } else if (path == "usepressure") { + this->usepressure = val.getBool(); + } else if (path == "doh") { + this->do_h = val.getBool(); + } else if (path == "dos") { + this->do_s = val.getBool(); + } else if (path == "dol") { + this->do_l = val.getBool(); + } else if (path == "doo") { + this->do_o = val.getBool(); + } +} + +static void +sp_tweak_extinput(TweakTool *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 (TweakTool *tc) +{ + // 10 times the pen width: + return 500 * tc->width/tc->getDesktop()->current_zoom(); +} + +static double +get_path_force (TweakTool *tc) +{ + double force = 8 * (tc->usepressure? tc->pressure : TC_DEFAULT_PRESSURE) + /sqrt(tc->getDesktop()->current_zoom()); + if (force > 3) { + force += 4 * (force - 3); + } + return force * tc->force; +} + +static double +get_move_force (TweakTool *tc) +{ + double force = (tc->usepressure? tc->pressure : TC_DEFAULT_PRESSURE); + return force * tc->force; +} + +static bool +sp_tweak_dilate_recursive (Inkscape::Selection *selection, SPItem *item, Geom::Point p, Geom::Point vector, gint mode, double radius, double force, double fidelity, bool reverse) +{ + bool did = false; + + { + SPBox3D *box = dynamic_cast<SPBox3D *>(item); + if (box && !is_transform_mode(mode) && !is_color_mode(mode)) { + // convert 3D boxes to ordinary groups before tweaking their shapes + item = box->convert_to_group(); + selection->add(item); + } + } + + if (dynamic_cast<SPText *>(item) || dynamic_cast<SPFlowtext *>(item)) { + std::vector<SPItem*> items; + items.push_back(item); + std::vector<SPItem*> selected; + std::vector<Inkscape::XML::Node*> to_select; + SPDocument *doc = item->document; + sp_item_list_to_curves (items, selected, to_select); + SPObject* newObj = doc->getObjectByRepr(to_select[0]); + item = dynamic_cast<SPItem *>(newObj); + g_assert(item != nullptr); + selection->add(item); + } + + if (dynamic_cast<SPGroup *>(item) && !dynamic_cast<SPBox3D *>(item)) { + std::vector<SPItem *> children; + for (auto& child: item->children) { + if (dynamic_cast<SPItem *>(&child)) { + children.push_back(dynamic_cast<SPItem *>(&child)); + } + } + + for (auto i = children.rbegin(); i!= children.rend(); ++i) { + SPItem *child = *i; + g_assert(child != nullptr); + if (sp_tweak_dilate_recursive (selection, child, p, vector, mode, radius, force, fidelity, reverse)) { + did = true; + } + } + } else { + if (mode == TWEAK_MODE_MOVE) { + + Geom::OptRect a = item->documentVisualBounds(); + if (a) { + double x = Geom::L2(a->midpoint() - p)/radius; + if (a->contains(p)) x = 0; + if (x < 1) { + Geom::Point move = force * 0.5 * (cos(M_PI * x) + 1) * vector; + item->move_rel(Geom::Translate(move * selection->desktop()->doc2dt().withoutTranslation())); + did = true; + } + } + + } else if (mode == TWEAK_MODE_MOVE_IN_OUT) { + + Geom::OptRect a = item->documentVisualBounds(); + if (a) { + double x = Geom::L2(a->midpoint() - p)/radius; + if (a->contains(p)) x = 0; + if (x < 1) { + Geom::Point move = force * 0.5 * (cos(M_PI * x) + 1) * + (reverse? (a->midpoint() - p) : (p - a->midpoint())); + item->move_rel(Geom::Translate(move * selection->desktop()->doc2dt().withoutTranslation())); + did = true; + } + } + + } else if (mode == TWEAK_MODE_MOVE_JITTER) { + + Geom::OptRect a = item->documentVisualBounds(); + if (a) { + double dp = g_random_double_range(0, M_PI*2); + double dr = g_random_double_range(0, radius); + double x = Geom::L2(a->midpoint() - p)/radius; + if (a->contains(p)) x = 0; + if (x < 1) { + Geom::Point move = force * 0.5 * (cos(M_PI * x) + 1) * Geom::Point(cos(dp)*dr, sin(dp)*dr); + item->move_rel(Geom::Translate(move * selection->desktop()->doc2dt().withoutTranslation())); + did = true; + } + } + + } else if (mode == TWEAK_MODE_SCALE) { + + Geom::OptRect a = item->documentVisualBounds(); + if (a) { + double x = Geom::L2(a->midpoint() - p)/radius; + if (a->contains(p)) x = 0; + if (x < 1) { + double scale = 1 + (reverse? force : -force) * 0.05 * (cos(M_PI * x) + 1); + item->scale_rel(Geom::Scale(scale, scale)); + did = true; + } + } + + } else if (mode == TWEAK_MODE_ROTATE) { + + Geom::OptRect a = item->documentVisualBounds(); + if (a) { + double x = Geom::L2(a->midpoint() - p)/radius; + if (a->contains(p)) x = 0; + if (x < 1) { + double angle = (reverse? force : -force) * 0.05 * (cos(M_PI * x) + 1) * M_PI; + angle *= -selection->desktop()->yaxisdir(); + item->rotate_rel(Geom::Rotate(angle)); + did = true; + } + } + + } else if (mode == TWEAK_MODE_MORELESS) { + + Geom::OptRect a = item->documentVisualBounds(); + if (a) { + double x = Geom::L2(a->midpoint() - p)/radius; + if (a->contains(p)) x = 0; + if (x < 1) { + double prob = force * 0.5 * (cos(M_PI * x) + 1); + double chance = g_random_double_range(0, 1); + if (chance <= prob) { + if (reverse) { // delete + item->deleteObject(true, true); + } else { // duplicate + SPDocument *doc = item->document; + Inkscape::XML::Document* xml_doc = doc->getReprDoc(); + Inkscape::XML::Node *old_repr = item->getRepr(); + SPObject *old_obj = doc->getObjectByRepr(old_repr); + 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); + if (selection->includes(old_obj)) { + selection->add(new_obj); + } + Inkscape::GC::release(copy); + } + did = true; + } + } + } + + } else if (dynamic_cast<SPPath *>(item) || dynamic_cast<SPShape *>(item)) { + + Inkscape::XML::Node *newrepr = nullptr; + gint pos = 0; + Inkscape::XML::Node *parent = nullptr; + char const *id = nullptr; + if (!dynamic_cast<SPPath *>(item)) { + newrepr = sp_selected_item_to_curved_repr(item, 0); + if (!newrepr) { + return false; + } + + // remember the position of the item + pos = item->getRepr()->position(); + // remember parent + parent = item->getRepr()->parent(); + // remember id + id = item->getRepr()->attribute("id"); + } + + // skip those paths whose bboxes are entirely out of reach with our radius + Geom::OptRect bbox = item->documentVisualBounds(); + if (bbox) { + bbox->expandBy(radius); + if (!bbox->contains(p)) { + return false; + } + } + + Path *orig = Path_for_item(item, false); + if (orig == nullptr) { + return false; + } + + Path *res = new Path; + res->SetBackData(false); + + Shape *theShape = new Shape; + Shape *theRes = new Shape; + Geom::Affine i2doc(item->i2doc_affine()); + + orig->ConvertWithBackData((0.08 - (0.07 * fidelity)) / i2doc.descrim()); // default 0.059 + orig->Fill(theShape, 0); + + SPCSSAttr *css = sp_repr_css_attr(item->getRepr(), "style"); + gchar const *val = sp_repr_css_property(css, "fill-rule", nullptr); + if (val && strcmp(val, "nonzero") == 0) { + theRes->ConvertToShape(theShape, fill_nonZero); + } else if (val && strcmp(val, "evenodd") == 0) { + theRes->ConvertToShape(theShape, fill_oddEven); + } else { + theRes->ConvertToShape(theShape, fill_nonZero); + } + + if (Geom::L2(vector) != 0) { + vector = 1/Geom::L2(vector) * vector; + } + + bool did_this = false; + if (mode == TWEAK_MODE_SHRINK_GROW) { + if (theShape->MakeTweak(tweak_mode_grow, theRes, + reverse? force : -force, + join_straight, 4.0, + true, p, Geom::Point(0,0), radius, &i2doc) == 0) // 0 means the shape was actually changed + did_this = true; + } else if (mode == TWEAK_MODE_ATTRACT_REPEL) { + if (theShape->MakeTweak(tweak_mode_repel, theRes, + reverse? force : -force, + join_straight, 4.0, + true, p, Geom::Point(0,0), radius, &i2doc) == 0) + did_this = true; + } else if (mode == TWEAK_MODE_PUSH) { + if (theShape->MakeTweak(tweak_mode_push, theRes, + 1.0, + join_straight, 4.0, + true, p, force*2*vector, radius, &i2doc) == 0) + did_this = true; + } else if (mode == TWEAK_MODE_ROUGHEN) { + if (theShape->MakeTweak(tweak_mode_roughen, theRes, + force, + join_straight, 4.0, + true, p, Geom::Point(0,0), radius, &i2doc) == 0) + did_this = true; + } + + // the rest only makes sense if we actually changed the path + if (did_this) { + theRes->ConvertToShape(theShape, fill_positive); + + res->Reset(); + theRes->ConvertToForme(res); + + double th_max = (0.6 - 0.59*sqrt(fidelity)) / i2doc.descrim(); + double threshold = MAX(th_max, th_max*force); + res->ConvertEvenLines(threshold); + res->Simplify(threshold / (selection->desktop()->current_zoom())); + + if (newrepr) { // converting to path, need to replace the repr + bool is_selected = selection->includes(item); + if (is_selected) { + selection->remove(item); + } + + // It's going to resurrect, so we delete without notifying listeners. + item->deleteObject(false); + + // restore id + newrepr->setAttribute("id", id); + // add the new repr to the parent + // move to the saved position + parent->addChildAtPos(newrepr, pos); + + if (is_selected) + selection->add(newrepr); + } + + if (res->descr_cmd.size() > 1) { + gchar *str = res->svg_dump_path(); + if (newrepr) { + newrepr->setAttribute("d", str); + } else { + SPLPEItem *lpeitem = dynamic_cast<SPLPEItem *>(item); + if (lpeitem && lpeitem->hasPathEffectRecursive()) { + item->setAttribute("inkscape:original-d", str); + } else { + item->setAttribute("d", str); + } + } + g_free(str); + } else { + // TODO: if there's 0 or 1 node left, delete this path altogether + } + + if (newrepr) { + Inkscape::GC::release(newrepr); + newrepr = nullptr; + } + } + + delete theShape; + delete theRes; + delete orig; + delete res; + + if (did_this) { + did = true; + } + } + + } + + return did; +} + + static void +tweak_colorpaint (float *color, guint32 goal, double force, bool do_h, bool do_s, bool do_l) +{ + float rgb_g[3]; + + if (!do_h || !do_s || !do_l) { + float hsl_g[3]; + SPColor::rgb_to_hsl_floatv (hsl_g, SP_RGBA32_R_F(goal), SP_RGBA32_G_F(goal), SP_RGBA32_B_F(goal)); + float hsl_c[3]; + SPColor::rgb_to_hsl_floatv (hsl_c, color[0], color[1], color[2]); + if (!do_h) { + hsl_g[0] = hsl_c[0]; + } + if (!do_s) { + hsl_g[1] = hsl_c[1]; + } + if (!do_l) { + hsl_g[2] = hsl_c[2]; + } + SPColor::hsl_to_rgb_floatv (rgb_g, hsl_g[0], hsl_g[1], hsl_g[2]); + } else { + rgb_g[0] = SP_RGBA32_R_F(goal); + rgb_g[1] = SP_RGBA32_G_F(goal); + rgb_g[2] = SP_RGBA32_B_F(goal); + } + + for (int i = 0; i < 3; i++) { + double d = rgb_g[i] - color[i]; + color[i] += d * force; + } +} + + static void +tweak_colorjitter (float *color, double force, bool do_h, bool do_s, bool do_l) +{ + float hsl_c[3]; + SPColor::rgb_to_hsl_floatv (hsl_c, color[0], color[1], color[2]); + + if (do_h) { + hsl_c[0] += g_random_double_range(-0.5, 0.5) * force; + if (hsl_c[0] > 1) { + hsl_c[0] -= 1; + } + if (hsl_c[0] < 0) { + hsl_c[0] += 1; + } + } + if (do_s) { + hsl_c[1] += g_random_double_range(-hsl_c[1], 1 - hsl_c[1]) * force; + } + if (do_l) { + hsl_c[2] += g_random_double_range(-hsl_c[2], 1 - hsl_c[2]) * force; + } + + SPColor::hsl_to_rgb_floatv (color, hsl_c[0], hsl_c[1], hsl_c[2]); +} + + static void +tweak_color (guint mode, float *color, guint32 goal, double force, bool do_h, bool do_s, bool do_l) +{ + if (mode == TWEAK_MODE_COLORPAINT) { + tweak_colorpaint (color, goal, force, do_h, do_s, do_l); + } else if (mode == TWEAK_MODE_COLORJITTER) { + tweak_colorjitter (color, force, do_h, do_s, do_l); + } +} + + static void +tweak_opacity (guint mode, SPIScale24 *style_opacity, double opacity_goal, double force) +{ + double opacity = SP_SCALE24_TO_FLOAT (style_opacity->value); + + if (mode == TWEAK_MODE_COLORPAINT) { + double d = opacity_goal - opacity; + opacity += d * force; + } else if (mode == TWEAK_MODE_COLORJITTER) { + opacity += g_random_double_range(-opacity, 1 - opacity) * force; + } + + style_opacity->value = SP_SCALE24_FROM_FLOAT(opacity); +} + + + static double +tweak_profile (double dist, double radius) +{ + if (radius == 0) { + return 0; + } + double x = dist / radius; + double alpha = 1; + if (x >= 1) { + return 0; + } else if (x <= 0) { + return 1; + } else { + return (0.5 * cos (M_PI * (pow(x, alpha))) + 0.5); + } +} + +static void tweak_colors_in_gradient(SPItem *item, Inkscape::PaintTarget fill_or_stroke, + guint32 const rgb_goal, Geom::Point p_w, double radius, double force, guint mode, + bool do_h, bool do_s, bool do_l, bool /*do_o*/) +{ + SPGradient *gradient = getGradient(item, fill_or_stroke); + + if (!gradient || !dynamic_cast<SPGradient *>(gradient)) { + return; + } + + Geom::Affine i2d (item->i2doc_affine ()); + Geom::Point p = p_w * i2d.inverse(); + p *= (gradient->gradientTransform).inverse(); + // now p is in gradient's original coordinates + + SPLinearGradient *lg = dynamic_cast<SPLinearGradient *>(gradient); + SPRadialGradient *rg = dynamic_cast<SPRadialGradient *>(gradient); + if (lg || rg) { + + double pos = 0; + double r = 0; + + if (lg) { + Geom::Point p1(lg->x1.computed, lg->y1.computed); + Geom::Point p2(lg->x2.computed, lg->y2.computed); + Geom::Point pdiff(p2 - p1); + double vl = Geom::L2(pdiff); + + // This is the matrix which moves and rotates the gradient line + // so it's oriented along the X axis: + Geom::Affine norm = Geom::Affine(Geom::Translate(-p1)) * + Geom::Affine(Geom::Rotate(-atan2(pdiff[Geom::Y], pdiff[Geom::X]))); + + // Transform the mouse point by it to find out its projection onto the gradient line: + Geom::Point pnorm = p * norm; + + // Scale its X coordinate to match the length of the gradient line: + pos = pnorm[Geom::X] / vl; + // Calculate radius in length-of-gradient-line units + r = radius / vl; + + } + if (rg) { + Geom::Point c (rg->cx.computed, rg->cy.computed); + pos = Geom::L2(p - c) / rg->r.computed; + r = radius / rg->r.computed; + } + + // Normalize pos to 0..1, taking into account gradient spread: + double pos_e = pos; + if (gradient->getSpread() == SP_GRADIENT_SPREAD_PAD) { + if (pos > 1) { + pos_e = 1; + } + if (pos < 0) { + pos_e = 0; + } + } else if (gradient->getSpread() == SP_GRADIENT_SPREAD_REPEAT) { + if (pos > 1 || pos < 0) { + pos_e = pos - floor(pos); + } + } else if (gradient->getSpread() == SP_GRADIENT_SPREAD_REFLECT) { + if (pos > 1 || pos < 0) { + bool odd = ((int)(floor(pos)) % 2 == 1); + pos_e = pos - floor(pos); + if (odd) { + pos_e = 1 - pos_e; + } + } + } + + SPGradient *vector = sp_gradient_get_forked_vector_if_necessary(gradient, false); + + double offset_l = 0; + double offset_h = 0; + SPObject *child_prev = nullptr; + for (auto& child: vector->children) { + SPStop *stop = dynamic_cast<SPStop *>(&child); + if (!stop) { + continue; + } + + offset_h = stop->offset; + + if (child_prev) { + SPStop *prevStop = dynamic_cast<SPStop *>(child_prev); + g_assert(prevStop != nullptr); + + if (offset_h - offset_l > r && pos_e >= offset_l && pos_e <= offset_h) { + // the summit falls in this interstop, and the radius is small, + // so it only affects the ends of this interstop; + // distribute the force between the two endstops so that they + // get all the painting even if they are not touched by the brush + tweak_color (mode, stop->getColor().v.c, rgb_goal, + force * (pos_e - offset_l) / (offset_h - offset_l), + do_h, do_s, do_l); + tweak_color(mode, prevStop->getColor().v.c, rgb_goal, + force * (offset_h - pos_e) / (offset_h - offset_l), + do_h, do_s, do_l); + stop->updateRepr(); + child_prev->updateRepr(); + break; + } else { + // wide brush, may affect more than 2 stops, + // paint each stop by the force from the profile curve + if (offset_l <= pos_e && offset_l > pos_e - r) { + tweak_color(mode, prevStop->getColor().v.c, rgb_goal, + force * tweak_profile (fabs (pos_e - offset_l), r), + do_h, do_s, do_l); + child_prev->updateRepr(); + } + + if (offset_h >= pos_e && offset_h < pos_e + r) { + tweak_color (mode, stop->getColor().v.c, rgb_goal, + force * tweak_profile (fabs (pos_e - offset_h), r), + do_h, do_s, do_l); + stop->updateRepr(); + } + } + } + + offset_l = offset_h; + child_prev = &child; + } + } else { + // Mesh + SPMeshGradient *mg = dynamic_cast<SPMeshGradient *>(gradient); + if (mg) { + SPMeshGradient *mg_array = dynamic_cast<SPMeshGradient *>(mg->getArray()); + SPMeshNodeArray *array = &(mg_array->array); + // Every third node is a corner node + for( unsigned i=0; i < array->nodes.size(); i+=3 ) { + for( unsigned j=0; j < array->nodes[i].size(); j+=3 ) { + SPStop *stop = array->nodes[i][j]->stop; + double distance = Geom::L2(Geom::Point(p - array->nodes[i][j]->p)); + tweak_color (mode, stop->getColor().v.c, rgb_goal, + force * tweak_profile (distance, radius), do_h, do_s, do_l); + stop->updateRepr(); + } + } + } + } +} + + static bool +sp_tweak_color_recursive (guint mode, SPItem *item, SPItem *item_at_point, + guint32 fill_goal, bool do_fill, + guint32 stroke_goal, bool do_stroke, + float opacity_goal, bool do_opacity, + bool do_blur, bool reverse, + Geom::Point p, double radius, double force, + bool do_h, bool do_s, bool do_l, bool do_o) +{ + bool did = false; + + if (dynamic_cast<SPGroup *>(item)) { + for (auto& child: item->children) { + SPItem *childItem = dynamic_cast<SPItem *>(&child); + if (childItem) { + if (sp_tweak_color_recursive (mode, childItem, item_at_point, + fill_goal, do_fill, + stroke_goal, do_stroke, + opacity_goal, do_opacity, + do_blur, reverse, + p, radius, force, do_h, do_s, do_l, do_o)) { + did = true; + } + } + } + + } else { + SPStyle *style = item->style; + if (!style) { + return false; + } + Geom::OptRect bbox = item->documentGeometricBounds(); + if (!bbox) { + return false; + } + + Geom::Rect brush(p - Geom::Point(radius, radius), p + Geom::Point(radius, radius)); + + Geom::Point center = bbox->midpoint(); + double this_force; + + // if item == item_at_point, use max force + if (item == item_at_point) { + this_force = force; + // else if no overlap of bbox and brush box, skip: + } else if (!bbox->intersects(brush)) { + return false; + //TODO: + // else if object > 1.5 brush: test 4/8/16 points in the brush on hitting the object, choose max + //} else if (bbox->maxExtent() > 3 * radius) { + //} + // else if object > 0.5 brush: test 4 corners of bbox and center on being in the brush, choose max + // else if still smaller, then check only the object center: + } else { + this_force = force * tweak_profile (Geom::L2 (p - center), radius); + } + + if (this_force > 0.002) { + + if (do_blur) { + Geom::OptRect bbox = item->documentGeometricBounds(); + if (!bbox) { + return did; + } + + double blur_now = 0; + Geom::Affine i2dt = item->i2dt_affine (); + if (style->filter.set && style->getFilter()) { + //cycle through filter primitives + for (auto& primitive_obj: style->getFilter()->children) { + SPFilterPrimitive *primitive = dynamic_cast<SPFilterPrimitive *>(&primitive_obj); + if (primitive) { + //if primitive is gaussianblur + SPGaussianBlur * spblur = dynamic_cast<SPGaussianBlur *>(primitive); + if (spblur) { + float num = spblur->stdDeviation.getNumber(); + blur_now += num * i2dt.descrim(); // sum all blurs in the filter + } + } + } + } + double perimeter = bbox->dimensions()[Geom::X] + bbox->dimensions()[Geom::Y]; + blur_now = blur_now / perimeter; + + double blur_new; + if (reverse) { + blur_new = blur_now - 0.06 * force; + } else { + blur_new = blur_now + 0.06 * force; + } + if (blur_new < 0.0005 && blur_new < blur_now) { + blur_new = 0; + } + if (blur_new == 0) { + remove_filter(item, false); + } else { + double radius = blur_new * perimeter; + SPFilter *filter = modify_filter_gaussian_blur_from_item(item->document, item, radius); + sp_style_set_property_url(item, "filter", filter, false); + } + return true; // do not do colors, blur is a separate mode + } + + if (do_fill) { + if (style->fill.isPaintserver()) { + tweak_colors_in_gradient(item, Inkscape::FOR_FILL, fill_goal, p, radius, this_force, mode, do_h, do_s, do_l, do_o); + did = true; + } else if (style->fill.isColor()) { + tweak_color (mode, style->fill.value.color.v.c, fill_goal, this_force, do_h, do_s, do_l); + item->updateRepr(); + did = true; + } + } + if (do_stroke) { + if (style->stroke.isPaintserver()) { + tweak_colors_in_gradient(item, Inkscape::FOR_STROKE, stroke_goal, p, radius, this_force, mode, do_h, do_s, do_l, do_o); + did = true; + } else if (style->stroke.isColor()) { + tweak_color (mode, style->stroke.value.color.v.c, stroke_goal, this_force, do_h, do_s, do_l); + item->updateRepr(); + did = true; + } + } + if (do_opacity && do_o) { + tweak_opacity (mode, &style->opacity, opacity_goal, this_force); + } + } +} + +return did; +} + + + static bool +sp_tweak_dilate (TweakTool *tc, Geom::Point event_p, Geom::Point p, Geom::Point vector, bool reverse) +{ + SPDesktop *desktop = tc->getDesktop(); + Inkscape::Selection *selection = desktop->getSelection(); + + if (selection->isEmpty()) { + return false; + } + + bool did = false; + double radius = get_dilate_radius(tc); + + SPItem *item_at_point = tc->getDesktop()->getItemAtPoint(event_p, TRUE); + + bool do_fill = false, do_stroke = false, do_opacity = false; + guint32 fill_goal = sp_desktop_get_color_tool(desktop, "/tools/tweak", true, &do_fill); + guint32 stroke_goal = sp_desktop_get_color_tool(desktop, "/tools/tweak", false, &do_stroke); + double opacity_goal = sp_desktop_get_master_opacity_tool(desktop, "/tools/tweak", &do_opacity); + if (reverse) { +#if 0 + // HSL inversion + float hsv[3]; + float rgb[3]; + SPColor::rgb_to_hsv_floatv (hsv, + SP_RGBA32_R_F(fill_goal), + SP_RGBA32_G_F(fill_goal), + SP_RGBA32_B_F(fill_goal)); + SPColor::hsv_to_rgb_floatv (rgb, hsv[0]<.5? hsv[0]+.5 : hsv[0]-.5, 1 - hsv[1], 1 - hsv[2]); + fill_goal = SP_RGBA32_F_COMPOSE(rgb[0], rgb[1], rgb[2], 1); + SPColor::rgb_to_hsv_floatv (hsv, + SP_RGBA32_R_F(stroke_goal), + SP_RGBA32_G_F(stroke_goal), + SP_RGBA32_B_F(stroke_goal)); + SPColor::hsv_to_rgb_floatv (rgb, hsv[0]<.5? hsv[0]+.5 : hsv[0]-.5, 1 - hsv[1], 1 - hsv[2]); + stroke_goal = SP_RGBA32_F_COMPOSE(rgb[0], rgb[1], rgb[2], 1); +#else + // RGB inversion + fill_goal = SP_RGBA32_U_COMPOSE( + (255 - SP_RGBA32_R_U(fill_goal)), + (255 - SP_RGBA32_G_U(fill_goal)), + (255 - SP_RGBA32_B_U(fill_goal)), + (255 - SP_RGBA32_A_U(fill_goal))); + stroke_goal = SP_RGBA32_U_COMPOSE( + (255 - SP_RGBA32_R_U(stroke_goal)), + (255 - SP_RGBA32_G_U(stroke_goal)), + (255 - SP_RGBA32_B_U(stroke_goal)), + (255 - SP_RGBA32_A_U(stroke_goal))); +#endif + opacity_goal = 1 - opacity_goal; + } + + double path_force = get_path_force(tc); + if (radius == 0 || path_force == 0) { + return false; + } + double move_force = get_move_force(tc); + double color_force = MIN(sqrt(path_force)/20.0, 1); + + // auto items= selection->items(); + std::vector<SPItem*> items(selection->items().begin(), selection->items().end()); + for(auto item : items){ + if (is_color_mode (tc->mode)) { + if (do_fill || do_stroke || do_opacity) { + if (sp_tweak_color_recursive (tc->mode, item, item_at_point, + fill_goal, do_fill, + stroke_goal, do_stroke, + opacity_goal, do_opacity, + tc->mode == TWEAK_MODE_BLUR, reverse, + p, radius, color_force, tc->do_h, tc->do_s, tc->do_l, tc->do_o)) { + did = true; + } + } + } else if (is_transform_mode(tc->mode)) { + if (sp_tweak_dilate_recursive (selection, item, p, vector, tc->mode, radius, move_force, tc->fidelity, reverse)) { + did = true; + } + } else { + if (sp_tweak_dilate_recursive (selection, item, p, vector, tc->mode, radius, path_force, tc->fidelity, reverse)) { + did = true; + } + } + } + + return did; +} + + static void +sp_tweak_update_area (TweakTool *tc) +{ + double radius = get_dilate_radius(tc); + Geom::Affine const sm (Geom::Scale(radius, radius) * Geom::Translate(tc->getDesktop()->point())); + + Geom::PathVector path = Geom::Path(Geom::Circle(0,0,1)); // Unit circle centered at origin. + path *= sm; + tc->dilate_area->set_bpath(path); + tc->dilate_area->show(); +} + + static void +sp_tweak_switch_mode (TweakTool *tc, gint mode, bool with_shift) +{ + auto tb = dynamic_cast<UI::Toolbar::TweakToolbar*>(tc->getDesktop()->get_toolbar_by_name("TweakToolbar")); + + if(tb) { + tb->set_mode(mode); + } else { + std::cerr << "Could not access Tweak toolbar" << std::endl; + } + + // need to set explicitly, because the prefs may not have changed by the previous + tc->mode = mode; + tc->update_cursor(with_shift); +} + + static void +sp_tweak_switch_mode_temporarily (TweakTool *tc, gint mode, bool with_shift) +{ + Inkscape::Preferences *prefs = Inkscape::Preferences::get(); + // Juggling about so that prefs have the old value but tc->mode and the button show new mode: + gint now_mode = prefs->getInt("/tools/tweak/mode", 0); + + auto tb = dynamic_cast<UI::Toolbar::TweakToolbar*>(tc->getDesktop()->get_toolbar_by_name("TweakToolbar")); + + if(tb) { + tb->set_mode(mode); + } else { + std::cerr << "Could not access Tweak toolbar" << std::endl; + } + + // button has changed prefs, restore + prefs->setInt("/tools/tweak/mode", now_mode); + // changing prefs changed tc->mode, restore back : + tc->mode = mode; + tc->update_cursor(with_shift); +} + +bool TweakTool::root_handler(GdkEvent* event) { + gint ret = FALSE; + + switch (event->type) { + case GDK_ENTER_NOTIFY: + dilate_area->show(); + break; + case GDK_LEAVE_NOTIFY: + dilate_area->hide(); + break; + case GDK_BUTTON_PRESS: + if (event->button.button == 1) { + if (Inkscape::have_viable_layer(_desktop, defaultMessageContext()) == false) { + return TRUE; + } + + Geom::Point const button_w(event->button.x, + event->button.y); + Geom::Point const button_dt(_desktop->w2d(button_w)); + this->last_push = _desktop->dt2doc(button_dt); + + sp_tweak_extinput(this, event); + + this->is_drawing = true; + this->is_dilating = true; + this->has_dilated = false; + + 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_tweak_extinput(this, event); + + // draw the dilating cursor + double radius = get_dilate_radius(this); + Geom::Affine const sm(Geom::Scale(radius, radius) * Geom::Translate(_desktop->w2d(motion_w))); + Geom::PathVector path = Geom::Path(Geom::Circle(0,0,1)); // Unit circle centered at origin. + path *= sm; + dilate_area->set_bpath(path); + dilate_area->show(); + + guint num = 0; + if (!_desktop->selection->isEmpty()) { + num = (guint)boost::distance(_desktop->selection->items()); + } + if (num == 0) { + this->message_context->flash(Inkscape::ERROR_MESSAGE, _("<b>Nothing selected!</b> Select objects to tweak.")); + } + + // dilating: + if (this->is_drawing && ( event->motion.state & GDK_BUTTON1_MASK )) { + sp_tweak_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; + case GDK_BUTTON_RELEASE: + { + Geom::Point const motion_w(event->button.x, event->button.y); + Geom::Point const motion_dt(_desktop->w2d(motion_w)); + + this->is_drawing = false; + + if (this->is_dilating && event->button.button == 1) { + if (!this->has_dilated) { + // if we did not rub, do a light tap + this->pressure = 0.03; + sp_tweak_dilate(this, motion_w, _desktop->dt2doc(motion_dt), Geom::Point(0, 0), MOD__SHIFT(event)); + } + this->is_dilating = false; + this->has_dilated = false; + Glib::ustring text; + switch (this->mode) { + case TWEAK_MODE_MOVE: + text = _("Move tweak"); + break; + case TWEAK_MODE_MOVE_IN_OUT: + text = _("Move in/out tweak"); + break; + case TWEAK_MODE_MOVE_JITTER: + text = _("Move jitter tweak"); + break; + case TWEAK_MODE_SCALE: + text = _("Scale tweak"); + break; + case TWEAK_MODE_ROTATE: + text = _("Rotate tweak"); + break; + case TWEAK_MODE_MORELESS: + text = _("Duplicate/delete tweak"); + break; + case TWEAK_MODE_PUSH: + text = _("Push path tweak"); + break; + case TWEAK_MODE_SHRINK_GROW: + text = _("Shrink/grow path tweak"); + break; + case TWEAK_MODE_ATTRACT_REPEL: + text = _("Attract/repel path tweak"); + break; + case TWEAK_MODE_ROUGHEN: + text = _("Roughen path tweak"); + break; + case TWEAK_MODE_COLORPAINT: + text = _("Color paint tweak"); + break; + case TWEAK_MODE_COLORJITTER: + text = _("Color jitter tweak"); + break; + case TWEAK_MODE_BLUR: + text = _("Blur tweak"); + break; + } + DocumentUndo::done(_desktop->getDocument(), text.c_str(), INKSCAPE_ICON("tool-tweak")); + } + break; + } + case GDK_KEY_PRESS: + { + switch (get_latin_keyval (&event->key)) { + case GDK_KEY_m: + case GDK_KEY_M: + case GDK_KEY_0: + if (MOD__SHIFT_ONLY(event)) { + sp_tweak_switch_mode(this, TWEAK_MODE_MOVE, MOD__SHIFT(event)); + ret = TRUE; + } + break; + case GDK_KEY_i: + case GDK_KEY_I: + case GDK_KEY_1: + if (MOD__SHIFT_ONLY(event)) { + sp_tweak_switch_mode(this, TWEAK_MODE_MOVE_IN_OUT, MOD__SHIFT(event)); + ret = TRUE; + } + break; + case GDK_KEY_z: + case GDK_KEY_Z: + case GDK_KEY_2: + if (MOD__SHIFT_ONLY(event)) { + sp_tweak_switch_mode(this, TWEAK_MODE_MOVE_JITTER, MOD__SHIFT(event)); + ret = TRUE; + } + break; + case GDK_KEY_less: + case GDK_KEY_comma: + case GDK_KEY_greater: + case GDK_KEY_period: + case GDK_KEY_3: + if (MOD__SHIFT_ONLY(event)) { + sp_tweak_switch_mode(this, TWEAK_MODE_SCALE, MOD__SHIFT(event)); + ret = TRUE; + } + break; + case GDK_KEY_bracketright: + case GDK_KEY_bracketleft: + case GDK_KEY_4: + if (MOD__SHIFT_ONLY(event)) { + sp_tweak_switch_mode(this, TWEAK_MODE_ROTATE, MOD__SHIFT(event)); + ret = TRUE; + } + break; + case GDK_KEY_d: + case GDK_KEY_D: + case GDK_KEY_5: + if (MOD__SHIFT_ONLY(event)) { + sp_tweak_switch_mode(this, TWEAK_MODE_MORELESS, MOD__SHIFT(event)); + ret = TRUE; + } + break; + case GDK_KEY_p: + case GDK_KEY_P: + case GDK_KEY_6: + if (MOD__SHIFT_ONLY(event)) { + sp_tweak_switch_mode(this, TWEAK_MODE_PUSH, MOD__SHIFT(event)); + ret = TRUE; + } + break; + case GDK_KEY_s: + case GDK_KEY_S: + case GDK_KEY_7: + if (MOD__SHIFT_ONLY(event)) { + sp_tweak_switch_mode(this, TWEAK_MODE_SHRINK_GROW, MOD__SHIFT(event)); + ret = TRUE; + } + break; + case GDK_KEY_a: + case GDK_KEY_A: + case GDK_KEY_8: + if (MOD__SHIFT_ONLY(event)) { + sp_tweak_switch_mode(this, TWEAK_MODE_ATTRACT_REPEL, MOD__SHIFT(event)); + ret = TRUE; + } + break; + case GDK_KEY_r: + case GDK_KEY_R: + case GDK_KEY_9: + if (MOD__SHIFT_ONLY(event)) { + sp_tweak_switch_mode(this, TWEAK_MODE_ROUGHEN, MOD__SHIFT(event)); + ret = TRUE; + } + break; + case GDK_KEY_c: + case GDK_KEY_C: + if (MOD__SHIFT_ONLY(event)) { + sp_tweak_switch_mode(this, TWEAK_MODE_COLORPAINT, MOD__SHIFT(event)); + ret = TRUE; + } + break; + case GDK_KEY_j: + case GDK_KEY_J: + if (MOD__SHIFT_ONLY(event)) { + sp_tweak_switch_mode(this, TWEAK_MODE_COLORJITTER, MOD__SHIFT(event)); + ret = TRUE; + } + break; + case GDK_KEY_b: + case GDK_KEY_B: + if (MOD__SHIFT_ONLY(event)) { + sp_tweak_switch_mode(this, TWEAK_MODE_BLUR, MOD__SHIFT(event)); + ret = TRUE; + } + break; + + case GDK_KEY_Up: + case GDK_KEY_KP_Up: + if (!MOD__CTRL_ONLY(event)) { + this->force += 0.05; + if (this->force > 1.0) { + this->force = 1.0; + } + _desktop->setToolboxAdjustmentValue("tweak-force", this->force * 100); + ret = TRUE; + } + break; + case GDK_KEY_Down: + case GDK_KEY_KP_Down: + if (!MOD__CTRL_ONLY(event)) { + this->force -= 0.05; + if (this->force < 0.0) { + this->force = 0.0; + } + _desktop->setToolboxAdjustmentValue("tweak-force", this->force * 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; + } + _desktop->setToolboxAdjustmentValue ("tweak-width", this->width * 100); // the same spinbutton is for alt+x + sp_tweak_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("tweak-width", this->width * 100); + sp_tweak_update_area(this); + ret = TRUE; + } + break; + case GDK_KEY_Home: + case GDK_KEY_KP_Home: + this->width = 0.01; + _desktop->setToolboxAdjustmentValue("tweak-width", this->width * 100); + sp_tweak_update_area(this); + ret = TRUE; + break; + case GDK_KEY_End: + case GDK_KEY_KP_End: + this->width = 1.0; + _desktop->setToolboxAdjustmentValue("tweak-width", this->width * 100); + sp_tweak_update_area(this); + ret = TRUE; + break; + case GDK_KEY_x: + case GDK_KEY_X: + if (MOD__ALT_ONLY(event)) { + _desktop->setToolboxFocusTo("tweak-width"); + 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: + sp_tweak_switch_mode_temporarily(this, TWEAK_MODE_SHRINK_GROW, MOD__SHIFT(event)); + 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_latin_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_tweak_switch_mode (this, prefs->getInt("/tools/tweak/mode"), MOD__SHIFT(event)); + this->message_context->clear(); + break; + default: + sp_tweak_switch_mode (this, prefs->getInt("/tools/tweak/mode"), MOD__SHIFT(event)); + break; + } + } + default: + break; + } + + if (!ret) { + 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 : |