#ifdef HAVE_CONFIG_H

# include <config.h>

#endif

#include <2geom/transforms.h>

#include "ui/widget/spinbutton.h"

#include "desktop-handles.h"

#include "unclump.h"

#include "document.h"

#include "enums.h"

#include "graphlayout.h"

#include "inkscape.h"

#include "macros.h"

#include "preferences.h"

#include "removeoverlap.h"

#include "selection.h"

#include "sp-flowtext.h"

#include "sp-item-transform.h"

#include "sp-text.h"

#include "text-editing.h"

#include "tools-switch.h"

#include "ui/icon-names.h"

#include "ui/tool/node-tool.h"

#include "ui/tool/multi-path-manipulator.h"

#include "util/glib-list-iterators.h"

#include "verbs.h"

#include "widgets/icon.h"

#include "sp-root.h"

#include "align-and-distribute.h"

namespace Inkscape {

namespace UI {

namespace Dialog {

class Action {

public :

Action(const Glib::ustring &id,

const Glib::ustring &tiptext,

guint row, guint column,

Gtk::Table &parent,

Gtk::Tooltips &tooltips,

AlignAndDistribute &dialog):

_dialog(dialog),

_id(id),

_parent(parent)

{

Gtk::Widget* pIcon = Gtk::manage( sp_icon_get_icon( _id, Inkscape::ICON_SIZE_LARGE_TOOLBAR) );

Gtk::Button * pButton = Gtk::manage(new Gtk::Button());

pButton->set_relief(Gtk::RELIEF_NONE);

pIcon->show();

pButton->add(*pIcon);

pButton->show();

pButton->signal_clicked()

.connect(sigc::mem_fun(*this, &Action::on_button_click));

tooltips.set_tip(*pButton, tiptext);

parent.attach(*pButton, column, column+1, row, row+1, Gtk::FILL, Gtk::FILL);

}

virtual ~Action(){}

AlignAndDistribute &_dialog;

private :

virtual void on_button_click(){}

Glib::ustring _id;

Gtk::Table &_parent;

};

class ActionAlign : public Action {

public :

struct Coeffs {

double mx0, mx1, my0, my1;

double sx0, sx1, sy0, sy1;

};

ActionAlign(const Glib::ustring &id,

const Glib::ustring &tiptext,

guint row, guint column,

AlignAndDistribute &dialog,

guint coeffIndex):

Action(id, tiptext, row, column,

dialog.align_table(), dialog.tooltips(), dialog),

_index(coeffIndex),

_dialog(dialog)

{}

private :

virtual void on_button_click() {

//Retreive selected objects

SPDesktop *desktop = _dialog.getDesktop();

if (!desktop) return;

Inkscape::Selection *selection = sp_desktop_selection(desktop);

if (!selection) return;

Inkscape::Preferences *prefs = Inkscape::Preferences::get();

bool sel_as_group = prefs->getBool("/dialogs/align/sel-as-groups");

using Inkscape::Util::GSListConstIterator;

std::list<SPItem *> selected;

selected.insert<GSListConstIterator<SPItem *> >(selected.end(), selection->itemList(), NULL);

if (selected.empty()) return;

Geom::Point mp; //Anchor point

AlignAndDistribute::AlignTarget target = _dialog.getAlignTarget();

const Coeffs &a= _allCoeffs[_index];

switch (target)

{

case AlignAndDistribute::LAST:

case AlignAndDistribute::FIRST:

case AlignAndDistribute::BIGGEST:

case AlignAndDistribute::SMALLEST:

{

//Check 2 or more selected objects

std::list<SPItem *>::iterator second(selected.begin());

++second;

if (second == selected.end())

return;

//Find the master (anchor on which the other objects are aligned)

std::list<SPItem *>::iterator master(

_dialog.find_master (

selected,

(a.mx0 != 0.0) ||

(a.mx1 != 0.0) )

);

//remove the master from the selection

SPItem * thing = *master;

// TODO: either uncomment or remove the following commented lines, depending on which

// behaviour of moving objects makes most sense; also cf. discussion at

// https://bugs.launchpad.net/inkscape/+bug/255933

/*if (!sel_as_group) { */

selected.erase(master);

/*}*/

//Compute the anchor point

Geom::OptRect b = thing->getBboxDesktop ();

if (b) {

mp = Geom::Point(a.mx0 * b->min()[Geom::X] + a.mx1 * b->max()[Geom::X],

a.my0 * b->min()[Geom::Y] + a.my1 * b->max()[Geom::Y]);

} else {

return;

}

break;

}

case AlignAndDistribute::PAGE:

mp = Geom::Point(a.mx1 * sp_desktop_document(desktop)->getWidth(),

a.my1 * sp_desktop_document(desktop)->getHeight());

break;

case AlignAndDistribute::DRAWING:

{

Geom::OptRect b = sp_desktop_document(desktop)->getRoot()->getBboxDesktop();

if (b) {

mp = Geom::Point(a.mx0 * b->min()[Geom::X] + a.mx1 * b->max()[Geom::X],

a.my0 * b->min()[Geom::Y] + a.my1 * b->max()[Geom::Y]);

} else {

return;

}

break;

}

case AlignAndDistribute::SELECTION:

{

Geom::OptRect b = selection->bounds();

if (b) {

mp = Geom::Point(a.mx0 * b->min()[Geom::X] + a.mx1 * b->max()[Geom::X],

a.my0 * b->min()[Geom::Y] + a.my1 * b->max()[Geom::Y]);

} else {

return;

}

break;

}

default:

g_assert_not_reached ();

break;

}; // end of switch

// Top hack: temporarily set clone compensation to unmoved, so that we can align/distribute

// clones with their original (and the move of the original does not disturb the

// clones). The only problem with this is that if there are outside-of-selection clones of

// a selected original, they will be unmoved too, possibly contrary to user's

// expecation. However this is a minor point compared to making align/distribute always

// work as expected, and "unmoved" is the default option anyway.

int saved_compensation = prefs->getInt("/options/clonecompensation/value", SP_CLONE_COMPENSATION_UNMOVED);

prefs->setInt("/options/clonecompensation/value", SP_CLONE_COMPENSATION_UNMOVED);

bool changed = false;

Geom::OptRect b;

if (sel_as_group)

b = selection->bounds();

//Move each item in the selected list separately

for (std::list<SPItem *>::iterator it(selected.begin());

it != selected.end();

it++)

{

sp_desktop_document (desktop)->ensureUpToDate();

if (!sel_as_group)

b = (*it)->getBboxDesktop();

if (b) {

Geom::Point const sp(a.sx0 * b->min()[Geom::X] + a.sx1 * b->max()[Geom::X],

a.sy0 * b->min()[Geom::Y] + a.sy1 * b->max()[Geom::Y]);

Geom::Point const mp_rel( mp - sp );

if (LInfty(mp_rel) > 1e-9) {

sp_item_move_rel(*it, Geom::Translate(mp_rel));

changed = true;

}

}

}

// restore compensation setting

prefs->setInt("/options/clonecompensation/value", saved_compensation);

if (changed) {

DocumentUndo::done( sp_desktop_document(desktop) , SP_VERB_DIALOG_ALIGN_DISTRIBUTE,

_("Align"));

}

}

guint _index;

AlignAndDistribute &_dialog;

static const Coeffs _allCoeffs[10];

};

ActionAlign::Coeffs const ActionAlign::_allCoeffs[10] = {

{1., 0., 0., 0., 0., 1., 0., 0.},

{1., 0., 0., 0., 1., 0., 0., 0.},

{.5, .5, 0., 0., .5, .5, 0., 0.},

{0., 1., 0., 0., 0., 1., 0., 0.},

{0., 1., 0., 0., 1., 0., 0., 0.},

{0., 0., 0., 1., 0., 0., 1., 0.},

{0., 0., 0., 1., 0., 0., 0., 1.},

{0., 0., .5, .5, 0., 0., .5, .5},

{0., 0., 1., 0., 0., 0., 1., 0.},

{0., 0., 1., 0., 0., 0., 0., 1.}

};

BBoxSort::BBoxSort(SPItem *pItem, Geom::Rect bounds, Geom::Dim2 orientation, double kBegin, double kEnd) :

item(pItem),

bbox (bounds)

{

anchor = kBegin * bbox.min()[orientation] + kEnd * bbox.max()[orientation];

}

BBoxSort::BBoxSort(const BBoxSort &rhs) :

//NOTE : this copy ctor is called O(sort) when sorting the vector

//this is bad. The vector should be a vector of pointers.

//But I'll wait the bohem GC before doing that

item(rhs.item), anchor(rhs.anchor), bbox(rhs.bbox)

{

}

bool operator< (const BBoxSort &a, const BBoxSort &b)

{

return (a.anchor < b.anchor);

}

class ActionDistribute : public Action {

public :

ActionDistribute(const Glib::ustring &id,

const Glib::ustring &tiptext,

guint row, guint column,

AlignAndDistribute &dialog,

bool onInterSpace,

Geom::Dim2 orientation,

double kBegin, double kEnd

):

Action(id, tiptext, row, column,

dialog.distribute_table(), dialog.tooltips(), dialog),

_dialog(dialog),

_onInterSpace(onInterSpace),

_orientation(orientation),

_kBegin(kBegin),

_kEnd( kEnd)

{}

private :

virtual void on_button_click() {

//Retreive selected objects

SPDesktop *desktop = _dialog.getDesktop();

if (!desktop) return;

Inkscape::Selection *selection = sp_desktop_selection(desktop);

if (!selection) return;

using Inkscape::Util::GSListConstIterator;

std::list<SPItem *> selected;

selected.insert<GSListConstIterator<SPItem *> >(selected.end(), selection->itemList(), NULL);

if (selected.empty()) return;

//Check 2 or more selected objects

std::list<SPItem *>::iterator second(selected.begin());

++second;

if (second == selected.end()) return;

std::vector< BBoxSort > sorted;

for (std::list<SPItem *>::iterator it(selected.begin());

it != selected.end();

++it)

{

Geom::OptRect bbox = (*it)->getBboxDesktop();

if (bbox) {

sorted.push_back(BBoxSort(*it, *bbox, _orientation, _kBegin, _kEnd));

}

}

//sort bbox by anchors

std::sort(sorted.begin(), sorted.end());

// see comment in ActionAlign above

Inkscape::Preferences *prefs = Inkscape::Preferences::get();

int saved_compensation = prefs->getInt("/options/clonecompensation/value", SP_CLONE_COMPENSATION_UNMOVED);

prefs->setInt("/options/clonecompensation/value", SP_CLONE_COMPENSATION_UNMOVED);

unsigned int len = sorted.size();

bool changed = false;

if (_onInterSpace)

{

//overall bboxes span

float dist = (sorted.back().bbox.max()[_orientation] -

sorted.front().bbox.min()[_orientation]);

//space eaten by bboxes

float span = 0;

for (unsigned int i = 0; i < len; i++)

{

span += sorted[i].bbox[_orientation].extent();

}

//new distance between each bbox

float step = (dist - span) / (len - 1);

float pos = sorted.front().bbox.min()[_orientation];

for ( std::vector<BBoxSort> ::iterator it (sorted.begin());

it < sorted.end();

it ++ )

{

if (!Geom::are_near(pos, it->bbox.min()[_orientation], 1e-6)) {

Geom::Point t(0.0, 0.0);

t[_orientation] = pos - it->bbox.min()[_orientation];

sp_item_move_rel(it->item, Geom::Translate(t));

changed = true;

}

pos += it->bbox[_orientation].extent();

pos += step;

}

}

else

{

//overall anchor span

float dist = sorted.back().anchor - sorted.front().anchor;

//distance between anchors

float step = dist / (len - 1);

for ( unsigned int i = 0; i < len ; i ++ )

{

BBoxSort & it(sorted[i]);

//new anchor position

float pos = sorted.front().anchor + i * step;

//Don't move if we are really close

if (!Geom::are_near(pos, it.anchor, 1e-6)) {

//Compute translation

Geom::Point t(0.0, 0.0);

t[_orientation] = pos - it.anchor;

//translate

sp_item_move_rel(it.item, Geom::Translate(t));

changed = true;

}

}

}

// restore compensation setting

prefs->setInt("/options/clonecompensation/value", saved_compensation);

if (changed) {

DocumentUndo::done( sp_desktop_document(desktop), SP_VERB_DIALOG_ALIGN_DISTRIBUTE,

_("Distribute"));

}

}

guint _index;

AlignAndDistribute &_dialog;

bool _onInterSpace;

Geom::Dim2 _orientation;

double _kBegin;

double _kEnd;

};

class ActionNode : public Action {

public :

ActionNode(const Glib::ustring &id,

const Glib::ustring &tiptext,

guint column,

AlignAndDistribute &dialog,

Geom::Dim2 orientation, bool distribute):

Action(id, tiptext, 0, column,

dialog.nodes_table(), dialog.tooltips(), dialog),

_orientation(orientation),

_distribute(distribute)

{}

private :

Geom::Dim2 _orientation;

bool _distribute;

virtual void on_button_click()

{

if (!_dialog.getDesktop()) return;

SPEventContext *event_context = sp_desktop_event_context(_dialog.getDesktop());

if (!INK_IS_NODE_TOOL (event_context)) return;

InkNodeTool *nt = INK_NODE_TOOL(event_context);

if (_distribute)

nt->_multipath->distributeNodes(_orientation);

else

nt->_multipath->alignNodes(_orientation);

}

};

class ActionRemoveOverlaps : public Action {

private:

Gtk::Label removeOverlapXGapLabel;

Gtk::Label removeOverlapYGapLabel;

Inkscape::UI::Widget::SpinButton removeOverlapXGap;

Inkscape::UI::Widget::SpinButton removeOverlapYGap;

public:

ActionRemoveOverlaps(Glib::ustring const &id,

Glib::ustring const &tiptext,

guint row,

guint column,

AlignAndDistribute &dialog) :

Action(id, tiptext, row, column + 4,

dialog.removeOverlap_table(), dialog.tooltips(), dialog)

{

dialog.removeOverlap_table().set_col_spacings(3);

removeOverlapXGap.set_digits(1);

removeOverlapXGap.set_size_request(60, -1);

removeOverlapXGap.set_increments(1.0, 0);

removeOverlapXGap.set_range(-1000.0, 1000.0);

removeOverlapXGap.set_value(0);

dialog.tooltips().set_tip(removeOverlapXGap,

_("Minimum horizontal gap (in px units) between bounding boxes"));

//TRANSLATORS: "H:" stands for horizontal gap

removeOverlapXGapLabel.set_text_with_mnemonic(C_("Gap", "_H:"));

removeOverlapXGapLabel.set_mnemonic_widget(removeOverlapXGap);

removeOverlapYGap.set_digits(1);

removeOverlapYGap.set_size_request(60, -1);

removeOverlapYGap.set_increments(1.0, 0);

removeOverlapYGap.set_range(-1000.0, 1000.0);

removeOverlapYGap.set_value(0);

dialog.tooltips().set_tip(removeOverlapYGap,

_("Minimum vertical gap (in px units) between bounding boxes"));

/* TRANSLATORS: Vertical gap */

removeOverlapYGapLabel.set_text_with_mnemonic(C_("Gap", "_V:"));

removeOverlapYGapLabel.set_mnemonic_widget(removeOverlapYGap);

dialog.removeOverlap_table().attach(removeOverlapXGapLabel, column, column+1, row, row+1, Gtk::FILL, Gtk::FILL);

dialog.removeOverlap_table().attach(removeOverlapXGap, column+1, column+2, row, row+1, Gtk::FILL, Gtk::FILL);

dialog.removeOverlap_table().attach(removeOverlapYGapLabel, column+2, column+3, row, row+1, Gtk::FILL, Gtk::FILL);

dialog.removeOverlap_table().attach(removeOverlapYGap, column+3, column+4, row, row+1, Gtk::FILL, Gtk::FILL);

}

private :

virtual void on_button_click()

{

if (!_dialog.getDesktop()) return;

// see comment in ActionAlign above

Inkscape::Preferences *prefs = Inkscape::Preferences::get();

int saved_compensation = prefs->getInt("/options/clonecompensation/value", SP_CLONE_COMPENSATION_UNMOVED);

prefs->setInt("/options/clonecompensation/value", SP_CLONE_COMPENSATION_UNMOVED);

// xGap and yGap are the minimum space required between bounding rectangles.

double const xGap = removeOverlapXGap.get_value();

double const yGap = removeOverlapYGap.get_value();

removeoverlap(sp_desktop_selection(_dialog.getDesktop())->itemList(),

xGap, yGap);

// restore compensation setting

prefs->setInt("/options/clonecompensation/value", saved_compensation);

DocumentUndo::done(sp_desktop_document(_dialog.getDesktop()), SP_VERB_DIALOG_ALIGN_DISTRIBUTE,

_("Remove overlaps"));

}

};

class ActionGraphLayout : public Action {

public:

ActionGraphLayout(Glib::ustring const &id,

Glib::ustring const &tiptext,

guint row,

guint column,

AlignAndDistribute &dialog) :

Action(id, tiptext, row, column,

dialog.rearrange_table(), dialog.tooltips(), dialog)

{}

private :

virtual void on_button_click()

{

if (!_dialog.getDesktop()) return;

// see comment in ActionAlign above

Inkscape::Preferences *prefs = Inkscape::Preferences::get();

int saved_compensation = prefs->getInt("/options/clonecompensation/value", SP_CLONE_COMPENSATION_UNMOVED);

prefs->setInt("/options/clonecompensation/value", SP_CLONE_COMPENSATION_UNMOVED);

graphlayout(sp_desktop_selection(_dialog.getDesktop())->itemList());

// restore compensation setting

prefs->setInt("/options/clonecompensation/value", saved_compensation);

DocumentUndo::done(sp_desktop_document(_dialog.getDesktop()), SP_VERB_DIALOG_ALIGN_DISTRIBUTE,

_("Arrange connector network"));

}

};

class ActionExchangePositions : public Action {

public:

enum SortOrder {

None,

ZOrder,

Clockwise

};

ActionExchangePositions(Glib::ustring const &id,

Glib::ustring const &tiptext,

guint row,

guint column,

AlignAndDistribute &dialog, SortOrder order = None) :

Action(id, tiptext, row, column,

dialog.rearrange_table(), dialog.tooltips(), dialog),

sortOrder(order)

{};

private :

const SortOrder sortOrder;

static boost::optional<Geom::Point> center;

static bool sort_compare(const SPItem * a,const SPItem * b) {

if (a == NULL) return false;

if (b == NULL) return true;

if (center) {

Geom::Point point_a = a->getCenter() - (*center);

Geom::Point point_b = b->getCenter() - (*center);

// First criteria: Sort according to the angle to the center point

double angle_a = atan2(double(point_a[Geom::Y]), double(point_a[Geom::X]));

double angle_b = atan2(double(point_b[Geom::Y]), double(point_b[Geom::X]));

if (angle_a != angle_b) return (angle_a < angle_b);

// Second criteria: Sort according to the distance the center point

Geom::Coord length_a = point_a.length();

Geom::Coord length_b = point_b.length();

if (length_a != length_b) return (length_a > length_b);

}

// Last criteria: Sort according to the z-coordinate

return (a->isSiblingOf(b));

}

virtual void on_button_click()

{

SPDesktop *desktop = _dialog.getDesktop();

if (!desktop) return;

Inkscape::Selection *selection = sp_desktop_selection(desktop);

if (!selection) return;

using Inkscape::Util::GSListConstIterator;

std::list<SPItem *> selected;

selected.insert<GSListConstIterator<SPItem *> >(selected.end(), selection->itemList(), NULL);

if (selected.empty()) return;

//Check 2 or more selected objects

if (selected.size() < 2) return;

// see comment in ActionAlign above

Inkscape::Preferences *prefs = Inkscape::Preferences::get();

int saved_compensation = prefs->getInt("/options/clonecompensation/value", SP_CLONE_COMPENSATION_UNMOVED);

prefs->setInt("/options/clonecompensation/value", SP_CLONE_COMPENSATION_UNMOVED);

// sort the list

if (sortOrder != None) {

if (sortOrder == Clockwise) {

center = selection->center();

} else { // sorting by ZOrder is outomatically done by not setting the center

center.reset();

}

selected.sort(ActionExchangePositions::sort_compare);

}

std::list<SPItem *>::iterator it(selected.begin());

Geom::Point p1 = (*it)->getCenter();

for (++it ;it != selected.end(); ++it)

{

Geom::Point p2 = (*it)->getCenter();

Geom::Point delta = p1 - p2;

sp_item_move_rel((*it),Geom::Translate(delta[Geom::X],delta[Geom::Y] ));

p1 = p2;

}

Geom::Point p2 = selected.front()->getCenter();

Geom::Point delta = p1 - p2;

sp_item_move_rel(selected.front(),Geom::Translate(delta[Geom::X],delta[Geom::Y] ));

// restore compensation setting

prefs->setInt("/options/clonecompensation/value", saved_compensation);

DocumentUndo::done(sp_desktop_document(_dialog.getDesktop()), SP_VERB_DIALOG_ALIGN_DISTRIBUTE,

_("Exchange Positions"));

}

};

boost::optional<Geom::Point> ActionExchangePositions::center;

class ActionUnclump : public Action {

public :

ActionUnclump(const Glib::ustring &id,

const Glib::ustring &tiptext,

guint row,

guint column,

AlignAndDistribute &dialog):

Action(id, tiptext, row, column,

dialog.rearrange_table(), dialog.tooltips(), dialog)

{}

private :

virtual void on_button_click()

{

if (!_dialog.getDesktop()) return;

// see comment in ActionAlign above

Inkscape::Preferences *prefs = Inkscape::Preferences::get();

int saved_compensation = prefs->getInt("/options/clonecompensation/value", SP_CLONE_COMPENSATION_UNMOVED);

prefs->setInt("/options/clonecompensation/value", SP_CLONE_COMPENSATION_UNMOVED);

unclump ((GSList *) sp_desktop_selection(_dialog.getDesktop())->itemList());

// restore compensation setting

prefs->setInt("/options/clonecompensation/value", saved_compensation);

DocumentUndo::done(sp_desktop_document(_dialog.getDesktop()), SP_VERB_DIALOG_ALIGN_DISTRIBUTE,

_("Unclump"));

}

};

class ActionRandomize : public Action {

public :

ActionRandomize(const Glib::ustring &id,

const Glib::ustring &tiptext,

guint row,

guint column,

AlignAndDistribute &dialog):

Action(id, tiptext, row, column,

dialog.rearrange_table(), dialog.tooltips(), dialog)

{}

private :

virtual void on_button_click()

{

SPDesktop *desktop = _dialog.getDesktop();

if (!desktop) return;

Inkscape::Selection *selection = sp_desktop_selection(desktop);

if (!selection) return;

using Inkscape::Util::GSListConstIterator;

std::list<SPItem *> selected;

selected.insert<GSListConstIterator<SPItem *> >(selected.end(), selection->itemList(), NULL);

if (selected.empty()) return;

//Check 2 or more selected objects

if (selected.size() < 2) return;

Geom::OptRect sel_bbox = selection->bounds();

if (!sel_bbox) {

return;

}

// This bbox is cached between calls to randomize, so that there's no growth nor shrink

// nor drift on sequential randomizations. Discard cache on global (or better active

// desktop's) selection_change signal.

if (!_dialog.randomize_bbox) {

_dialog.randomize_bbox = *sel_bbox;

}

// see comment in ActionAlign above

Inkscape::Preferences *prefs = Inkscape::Preferences::get();

int saved_compensation = prefs->getInt("/options/clonecompensation/value", SP_CLONE_COMPENSATION_UNMOVED);

prefs->setInt("/options/clonecompensation/value", SP_CLONE_COMPENSATION_UNMOVED);

for (std::list<SPItem *>::iterator it(selected.begin());

it != selected.end();

++it)

{

sp_desktop_document (desktop)->ensureUpToDate();

Geom::OptRect item_box = (*it)->getBboxDesktop ();

if (item_box) {

// find new center, staying within bbox

double x = _dialog.randomize_bbox->min()[Geom::X] + (*item_box)[Geom::X].extent() /2 +

g_random_double_range (0, (*_dialog.randomize_bbox)[Geom::X].extent() - (*item_box)[Geom::X].extent());

double y = _dialog.randomize_bbox->min()[Geom::Y] + (*item_box)[Geom::Y].extent()/2 +

g_random_double_range (0, (*_dialog.randomize_bbox)[Geom::Y].extent() - (*item_box)[Geom::Y].extent());

// displacement is the new center minus old:

Geom::Point t = Geom::Point (x, y) - 0.5*(item_box->max() + item_box->min());

sp_item_move_rel(*it, Geom::Translate(t));

}

}

// restore compensation setting

prefs->setInt("/options/clonecompensation/value", saved_compensation);

DocumentUndo::done(sp_desktop_document(desktop), SP_VERB_DIALOG_ALIGN_DISTRIBUTE,

_("Randomize positions"));

}

};

struct Baselines

{

SPItem *_item;

Geom::Point _base;

Geom::Dim2 _orientation;

Baselines(SPItem *item, Geom::Point base, Geom::Dim2 orientation) :

_item (item),

_base (base),

_orientation (orientation)

{}

};

bool operator< (const Baselines &a, const Baselines &b)

{

return (a._base[a._orientation] < b._base[b._orientation]);

}

class ActionBaseline : public Action {

public :

ActionBaseline(const Glib::ustring &id,

const Glib::ustring &tiptext,

guint row,

guint column,

AlignAndDistribute &dialog,

Gtk::Table &table,

Geom::Dim2 orientation, bool distribute):

Action(id, tiptext, row, column,

table, dialog.tooltips(), dialog),

_orientation(orientation),

_distribute(distribute)

{}

private :

Geom::Dim2 _orientation;

bool _distribute;

virtual void on_button_click()

{

SPDesktop *desktop = _dialog.getDesktop();

if (!desktop) return;

Inkscape::Selection *selection = sp_desktop_selection(desktop);

if (!selection) return;

using Inkscape::Util::GSListConstIterator;

std::list<SPItem *> selected;

selected.insert<GSListConstIterator<SPItem *> >(selected.end(), selection->itemList(), NULL);

if (selected.empty()) return;

//Check 2 or more selected objects

if (selected.size() < 2) return;

Geom::Point b_min = Geom::Point (HUGE_VAL, HUGE_VAL);

Geom::Point b_max = Geom::Point (-HUGE_VAL, -HUGE_VAL);

std::vector<Baselines> sorted;

for (std::list<SPItem *>::iterator it(selected.begin());

it != selected.end();

++it)

{

if (SP_IS_TEXT (*it) || SP_IS_FLOWTEXT (*it)) {

Inkscape::Text::Layout const *layout = te_get_layout(*it);

boost::optional<Geom::Point> pt = layout->baselineAnchorPoint();

if (pt) {

Geom::Point base = *pt * (*it)->i2d_affine();

if (base[Geom::X] < b_min[Geom::X]) b_min[Geom::X] = base[Geom::X];

if (base[Geom::Y] < b_min[Geom::Y]) b_min[Geom::Y] = base[Geom::Y];

if (base[Geom::X] > b_max[Geom::X]) b_max[Geom::X] = base[Geom::X];

if (base[Geom::Y] > b_max[Geom::Y]) b_max[Geom::Y] = base[Geom::Y];

Baselines b (*it, base, _orientation);

sorted.push_back(b);

}

}

}

if (sorted.size() <= 1) return;

//sort baselines

std::sort(sorted.begin(), sorted.end());

bool changed = false;

if (_distribute) {

double step = (b_max[_orientation] - b_min[_orientation])/(sorted.size() - 1);

for (unsigned int i = 0; i < sorted.size(); i++) {

SPItem *item = sorted[i]._item;

Geom::Point base = sorted[i]._base;

Geom::Point t(0.0, 0.0);

t[_orientation] = b_min[_orientation] + step * i - base[_orientation];

sp_item_move_rel(item, Geom::Translate(t));

changed = true;

}

if (changed) {

DocumentUndo::done(sp_desktop_document(desktop), SP_VERB_DIALOG_ALIGN_DISTRIBUTE,

_("Distribute text baselines"));

}

} else {

for (std::list<SPItem *>::iterator it(selected.begin());

it != selected.end();

++it)

{

if (SP_IS_TEXT (*it) || SP_IS_FLOWTEXT (*it)) {

Inkscape::Text::Layout const *layout = te_get_layout(*it);

boost::optional<Geom::Point> pt = layout->baselineAnchorPoint();

if (pt) {

Geom::Point base = *pt * (*it)->i2d_affine();

Geom::Point t(0.0, 0.0);

t[_orientation] = b_min[_orientation] - base[_orientation];

sp_item_move_rel(*it, Geom::Translate(t));

changed = true;

}

}

}

if (changed) {

DocumentUndo::done(sp_desktop_document(desktop), SP_VERB_DIALOG_ALIGN_DISTRIBUTE,

_("Align text baselines"));

}

}

}

};

void on_tool_changed(Inkscape::Application */*inkscape*/, SPEventContext */*context*/, AlignAndDistribute *daad)

{

SPDesktop *desktop = SP_ACTIVE_DESKTOP;

if (desktop && sp_desktop_event_context(desktop))

daad->setMode(tools_active(desktop) == TOOLS_NODES);

}

void on_selection_changed(Inkscape::Application */*inkscape*/, Inkscape::Selection */*selection*/, AlignAndDistribute *daad)

{

daad->randomize_bbox = Geom::OptRect();

}

AlignAndDistribute::AlignAndDistribute()

: UI::Widget::Panel ("", "/dialogs/align", SP_VERB_DIALOG_ALIGN_DISTRIBUTE),

randomize_bbox(),

_alignFrame(_("Align")),

_distributeFrame(_("Distribute")),

_rearrangeFrame(_("Rearrange")),

_removeOverlapFrame(_("Remove overlaps")),

_nodesFrame(_("Nodes")),

_alignTable(2, 6, true),

_distributeTable(2, 6, true),

_rearrangeTable(1, 5, false),

_removeOverlapTable(1, 5, false),

_nodesTable(1, 4, true),

_anchorLabel(_("Relative to: ")),

_selgrpLabel(_("_Treat selection as group: "), 1)

{

Inkscape::Preferences *prefs = Inkscape::Preferences::get();

//Instanciate the align buttons

addAlignButton(INKSCAPE_ICON("align-horizontal-right-to-anchor"),

_("Align right edges of objects to the left edge of the anchor"),

0, 0);

addAlignButton(INKSCAPE_ICON("align-horizontal-left"),

_("Align left edges"),

0, 1);

addAlignButton(INKSCAPE_ICON("align-horizontal-center"),

_("Center on vertical axis"),

0, 2);

addAlignButton(INKSCAPE_ICON("align-horizontal-right"),

_("Align right sides"),

0, 3);

addAlignButton(INKSCAPE_ICON("align-horizontal-left-to-anchor"),

_("Align left edges of objects to the right edge of the anchor"),

0, 4);

addAlignButton(INKSCAPE_ICON("align-vertical-bottom-to-anchor"),

_("Align bottom edges of objects to the top edge of the anchor"),

1, 0);

addAlignButton(INKSCAPE_ICON("align-vertical-top"),

_("Align top edges"),

1, 1);

addAlignButton(INKSCAPE_ICON("align-vertical-center"),

_("Center on horizontal axis"),

1, 2);

addAlignButton(INKSCAPE_ICON("align-vertical-bottom"),

_("Align bottom edges"),

1, 3);

addAlignButton(INKSCAPE_ICON("align-vertical-top-to-anchor"),

_("Align top edges of objects to the bottom edge of the anchor"),

1, 4);

//Baseline aligns

addBaselineButton(INKSCAPE_ICON("align-horizontal-baseline"),

_("Align baseline anchors of texts horizontally"),

0, 5, this->align_table(), Geom::X, false);

addBaselineButton(INKSCAPE_ICON("align-vertical-baseline"),

_("Align baselines of texts"),

1, 5, this->align_table(), Geom::Y, false);

//The distribute buttons

addDistributeButton(INKSCAPE_ICON("distribute-horizontal-gaps"),

_("Make horizontal gaps between objects equal"),

0, 4, true, Geom::X, .5, .5);

addDistributeButton(INKSCAPE_ICON("distribute-horizontal-left"),

_("Distribute left edges equidistantly"),

0, 1, false, Geom::X, 1., 0.);

addDistributeButton(INKSCAPE_ICON("distribute-horizontal-center"),

_("Distribute centers equidistantly horizontally"),

0, 2, false, Geom::X, .5, .5);

addDistributeButton(INKSCAPE_ICON("distribute-horizontal-right"),

_("Distribute right edges equidistantly"),

0, 3, false, Geom::X, 0., 1.);

addDistributeButton(INKSCAPE_ICON("distribute-vertical-gaps"),

_("Make vertical gaps between objects equal"),

1, 4, true, Geom::Y, .5, .5);

addDistributeButton(INKSCAPE_ICON("distribute-vertical-top"),

_("Distribute top edges equidistantly"),

1, 1, false, Geom::Y, 0, 1);

addDistributeButton(INKSCAPE_ICON("distribute-vertical-center"),

_("Distribute centers equidistantly vertically"),

1, 2, false, Geom::Y, .5, .5);

addDistributeButton(INKSCAPE_ICON("distribute-vertical-bottom"),

_("Distribute bottom edges equidistantly"),

1, 3, false, Geom::Y, 1., 0.);

//Baseline distribs

addBaselineButton(INKSCAPE_ICON("distribute-horizontal-baseline"),

_("Distribute baseline anchors of texts horizontally"),

0, 5, this->distribute_table(), Geom::X, true);

addBaselineButton(INKSCAPE_ICON("distribute-vertical-baseline"),

_("Distribute baselines of texts vertically"),

1, 5, this->distribute_table(), Geom::Y, true);

// Rearrange

//Graph Layout

addGraphLayoutButton(INKSCAPE_ICON("distribute-graph"),

_("Nicely arrange selected connector network"),

0, 0);

addExchangePositionsButton(INKSCAPE_ICON("exchange-positions"),

_("Exchange positions of selected objects - selection order"),

0, 1);

addExchangePositionsByZOrderButton(INKSCAPE_ICON("exchange-positions-zorder"),

_("Exchange positions of selected objects - stacking order"),

0, 2);

addExchangePositionsClockwiseButton(INKSCAPE_ICON("exchange-positions-clockwise"),

_("Exchange positions of selected objects - clockwise rotate"),

0, 3);

//Randomize & Unclump

addRandomizeButton(INKSCAPE_ICON("distribute-randomize"),

_("Randomize centers in both dimensions"),

0, 4);

addUnclumpButton(INKSCAPE_ICON("distribute-unclump"),

_("Unclump objects: try to equalize edge-to-edge distances"),

0, 5);

//Remove overlaps

addRemoveOverlapsButton(INKSCAPE_ICON("distribute-remove-overlaps"),

_("Move objects as little as possible so that their bounding boxes do not overlap"),

0, 0);

//Node Mode buttons

// NOTE: "align nodes vertically" means "move nodes vertically until they align on a common

// _horizontal_ line". This is analogous to what the "align-vertical-center" icon means.

// There is no doubt some ambiguity. For this reason the descriptions are different.

addNodeButton(INKSCAPE_ICON("align-vertical-node"),

_("Align selected nodes to a common horizontal line"),

0, Geom::X, false);

addNodeButton(INKSCAPE_ICON("align-horizontal-node"),

_("Align selected nodes to a common vertical line"),

1, Geom::Y, false);

addNodeButton(INKSCAPE_ICON("distribute-horizontal-node"),

_("Distribute selected nodes horizontally"),

2, Geom::X, true);

addNodeButton(INKSCAPE_ICON("distribute-vertical-node"),

_("Distribute selected nodes vertically"),

3, Geom::Y, true);

//Rest of the widgetry

_combo.append_text(_("Last selected"));

_combo.append_text(_("First selected"));

_combo.append_text(_("Biggest object"));

_combo.append_text(_("Smallest object"));

_combo.append_text(_("Page"));

_combo.append_text(_("Drawing"));

_combo.append_text(_("Selection"));

_combo.set_active(prefs->getInt("/dialogs/align/align-to", 6));

_combo.signal_changed().connect(sigc::mem_fun(*this, &AlignAndDistribute::on_ref_change));

_anchorBox.pack_start(_anchorLabel);

_anchorBox.pack_start(_combo);

_selgrpLabel.set_mnemonic_widget(_selgrp);

_selgrpBox.pack_start(_selgrpLabel);

_selgrpBox.pack_start(_selgrp);

_selgrp.set_active(prefs->getBool("/dialogs/align/sel-as-groups"));

_selgrp.signal_toggled().connect(sigc::mem_fun(*this, &AlignAndDistribute::on_selgrp_toggled));

_alignBox.pack_start(_anchorBox);

_alignBox.pack_start(_selgrpBox);

_alignBox.pack_start(_alignTable);

_alignFrame.add(_alignBox);

_distributeFrame.add(_distributeTable);

_rearrangeFrame.add(_rearrangeTable);

_removeOverlapFrame.add(_removeOverlapTable);

_nodesFrame.add(_nodesTable);

Gtk::Box *contents = _getContents();

contents->set_spacing(4);

// Notebook for individual transformations

contents->pack_start(_alignFrame, true, true);

contents->pack_start(_distributeFrame, true, true);

contents->pack_start(_rearrangeFrame, true, true);

contents->pack_start(_removeOverlapFrame, true, true);

contents->pack_start(_nodesFrame, true, true);

//Connect to the global tool change signal

g_signal_connect (G_OBJECT (INKSCAPE), "set_eventcontext", G_CALLBACK (on_tool_changed), this);

// Connect to the global selection change, to invalidate cached randomize_bbox

g_signal_connect (G_OBJECT (INKSCAPE), "change_selection", G_CALLBACK (on_selection_changed), this);

randomize_bbox = Geom::OptRect();

show_all_children();

on_tool_changed (NULL, NULL, this); // set current mode

}

AlignAndDistribute::~AlignAndDistribute()

{

sp_signal_disconnect_by_data (G_OBJECT (INKSCAPE), this);

for (std::list<Action *>::iterator it = _actionList.begin();

it != _actionList.end();

it ++)

delete *it;

}

void AlignAndDistribute::on_ref_change(){

Inkscape::Preferences *prefs = Inkscape::Preferences::get();

prefs->setInt("/dialogs/align/align-to", _combo.get_active_row_number());

//Make blink the master

}

void AlignAndDistribute::on_selgrp_toggled(){

Inkscape::Preferences *prefs = Inkscape::Preferences::get();

prefs->setInt("/dialogs/align/sel-as-groups", _selgrp.get_active());

//Make blink the master

}

void AlignAndDistribute::setMode(bool nodeEdit)

{

//Act on widgets used in node mode

void ( Gtk::Widget::*mNode) () = nodeEdit ?

&Gtk::Widget::show_all : &Gtk::Widget::hide_all;

//Act on widgets used in selection mode

void ( Gtk::Widget::*mSel) () = nodeEdit ?

&Gtk::Widget::hide_all : &Gtk::Widget::show_all;

((_alignFrame).*(mSel))();

((_distributeFrame).*(mSel))();

((_rearrangeFrame).*(mSel))();

((_removeOverlapFrame).*(mSel))();

((_nodesFrame).*(mNode))();

}

void AlignAndDistribute::addAlignButton(const Glib::ustring &id, const Glib::ustring tiptext,

guint row, guint col)

{

_actionList.push_back(

new ActionAlign(

id, tiptext, row, col,

*this , col + row * 5));

}

void AlignAndDistribute::addDistributeButton(const Glib::ustring &id, const Glib::ustring tiptext,

guint row, guint col, bool onInterSpace,

Geom::Dim2 orientation, float kBegin, float kEnd)

{

_actionList.push_back(

new ActionDistribute(

id, tiptext, row, col, *this ,

onInterSpace, orientation,

kBegin, kEnd

)

);

}

void AlignAndDistribute::addNodeButton(const Glib::ustring &id, const Glib::ustring tiptext,

guint col, Geom::Dim2 orientation, bool distribute)

{

_actionList.push_back(

new ActionNode(

id, tiptext, col,

*this, orientation, distribute));

}

void AlignAndDistribute::addRemoveOverlapsButton(const Glib::ustring &id, const Glib::ustring tiptext,

guint row, guint col)

{

_actionList.push_back(

new ActionRemoveOverlaps(

id, tiptext, row, col, *this)

);

}

void AlignAndDistribute::addGraphLayoutButton(const Glib::ustring &id, const Glib::ustring tiptext,

guint row, guint col)

{

_actionList.push_back(

new ActionGraphLayout(

id, tiptext, row, col, *this)

);

}

void AlignAndDistribute::addExchangePositionsButton(const Glib::ustring &id, const Glib::ustring tiptext,

guint row, guint col)

{

_actionList.push_back(

new ActionExchangePositions(

id, tiptext, row, col, *this)

);

}

void AlignAndDistribute::addExchangePositionsByZOrderButton(const Glib::ustring &id, const Glib::ustring tiptext,

guint row, guint col)

{

_actionList.push_back(

new ActionExchangePositions(

id, tiptext, row, col, *this, ActionExchangePositions::ZOrder)

);

}

void AlignAndDistribute::addExchangePositionsClockwiseButton(const Glib::ustring &id, const Glib::ustring tiptext,

guint row, guint col)

{

_actionList.push_back(

new ActionExchangePositions(

id, tiptext, row, col, *this, ActionExchangePositions::Clockwise)

);

}

void AlignAndDistribute::addUnclumpButton(const Glib::ustring &id, const Glib::ustring tiptext,

guint row, guint col)

{

_actionList.push_back(

new ActionUnclump(

id, tiptext, row, col, *this)

);

}

void AlignAndDistribute::addRandomizeButton(const Glib::ustring &id, const Glib::ustring tiptext,

guint row, guint col)

{

_actionList.push_back(

new ActionRandomize(

id, tiptext, row, col, *this)

);

}

void AlignAndDistribute::addBaselineButton(const Glib::ustring &id, const Glib::ustring tiptext,

guint row, guint col, Gtk::Table &table, Geom::Dim2 orientation, bool distribute)

{

_actionList.push_back(

new ActionBaseline(

id, tiptext, row, col,

*this, table, orientation, distribute));

}

std::list<SPItem *>::iterator AlignAndDistribute::find_master( std::list<SPItem *> &list, bool horizontal){

std::list<SPItem *>::iterator master = list.end();

switch (getAlignTarget()) {

case LAST:

return list.begin();

break;

case FIRST:

return --(list.end());

break;

case BIGGEST:

{

gdouble max = -1e18;

for (std::list<SPItem *>::iterator it = list.begin(); it != list.end(); it++) {

Geom::OptRect b = (*it)->getBboxDesktop ();

if (b) {

gdouble dim = (*b)[horizontal ? Geom::X : Geom::Y].extent();

if (dim > max) {

max = dim;

master = it;

}

}

}

return master;

break;

}

case SMALLEST:

{

gdouble max = 1e18;

for (std::list<SPItem *>::iterator it = list.begin(); it != list.end(); it++) {

Geom::OptRect b = (*it)->getBboxDesktop ();

if (b) {

gdouble dim = (*b)[horizontal ? Geom::X : Geom::Y].extent();

if (dim < max) {

max = dim;

master = it;

}

}

}

return master;

break;

}

default:

g_assert_not_reached ();

break;

} // end of switch statement

return master;

}

AlignAndDistribute::AlignTarget AlignAndDistribute::getAlignTarget()const {

return AlignTarget(_combo.get_active_row_number());

}

} // namespace Dialog

} // namespace UI

} // namespace Inkscape