align-and-distribute.cpp revision 0e39cdf0cc3195b77fa0effca0e2b07355fe1c0b
/**
* \brief Align and Distribute dialog
*
* Authors:
* Bryce W. Harrington <bryce@bryceharrington.org>
* Aubanel MONNIER <aubi@libertysurf.fr>
* Frank Felfe <innerspace@iname.com>
* Lauris Kaplinski <lauris@kaplinski.com>
* Tim Dwyer <tgdwyer@gmail.com>
*
* Copyright (C) 1999-2004, 2005 Authors
*
* Released under GNU GPL. Read the file 'COPYING' for more information.
*/
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
#include "verbs.h"
#include "dialogs/unclump.h"
#include "removeoverlap/removeoverlap.h"
#include "graphlayout/graphlayout.h"
#include <gtkmm/spinbutton.h>
#include "util/glib-list-iterators.h"
#include "widgets/icon.h"
#include "inkscape.h"
#include "document.h"
#include "selection.h"
#include "desktop-handles.h"
#include "macros.h"
#include "sp-item-transform.h"
#include "prefs-utils.h"
#include "enums.h"
#include "sp-text.h"
#include "sp-flowtext.h"
#include "text-editing.h"
#include "node-context.h" //For node align/distribute function
#include "tools-switch.h"
#include "align-and-distribute.h"
namespace Inkscape {
namespace UI {
namespace Dialog {
/////////helper classes//////////////////////////////////
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, GTK_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 = SP_ACTIVE_DESKTOP;
if (!desktop) return;
Inkscape::Selection *selection = SP_DT_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;
NR::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;
selected.erase(master);
//Compute the anchor point
NR::Rect b = sp_item_bbox_desktop (thing);
mp = NR::Point(a.mx0 * b.min()[NR::X] + a.mx1 * b.max()[NR::X],
a.my0 * b.min()[NR::Y] + a.my1 * b.max()[NR::Y]);
break;
}
case AlignAndDistribute::PAGE:
mp = NR::Point(a.mx1 * sp_document_width(SP_DT_DOCUMENT(desktop)),
a.my1 * sp_document_height(SP_DT_DOCUMENT(desktop)));
break;
case AlignAndDistribute::DRAWING:
{
NR::Rect b = sp_item_bbox_desktop
( (SPItem *) sp_document_root (SP_DT_DOCUMENT (desktop)) );
mp = NR::Point(a.mx0 * b.min()[NR::X] + a.mx1 * b.max()[NR::X],
a.my0 * b.min()[NR::Y] + a.my1 * b.max()[NR::Y]);
break;
}
case AlignAndDistribute::SELECTION:
{
NR::Rect b = selection->bounds();
mp = NR::Point(a.mx0 * b.min()[NR::X] + a.mx1 * b.max()[NR::X],
a.my0 * b.min()[NR::Y] + a.my1 * b.max()[NR::Y]);
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_get_int_attribute("options.clonecompensation", "value", SP_CLONE_COMPENSATION_UNMOVED);
prefs_set_int_attribute("options.clonecompensation", "value", SP_CLONE_COMPENSATION_UNMOVED);
bool changed = false;
//Move each item in the selected list
for (std::list<SPItem *>::iterator it(selected.begin());
it != selected.end();
it++)
{
sp_document_ensure_up_to_date(SP_DT_DOCUMENT (desktop));
NR::Rect b = sp_item_bbox_desktop (*it);
NR::Point const sp(a.sx0 * b.min()[NR::X] + a.sx1 * b.max()[NR::X],
a.sy0 * b.min()[NR::Y] + a.sy1 * b.max()[NR::Y]);
NR::Point const mp_rel( mp - sp );
if (LInfty(mp_rel) > 1e-9) {
sp_item_move_rel(*it, NR::translate(mp_rel));
changed = true;
}
}
// restore compensation setting
prefs_set_int_attribute("options.clonecompensation", "value", saved_compensation);
if (changed) {
sp_document_done ( SP_DT_DOCUMENT (desktop) );
}
}
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.}
};
struct BBoxSort
{
SPItem *item;
float anchor;
NR::Rect bbox;
BBoxSort(SPItem *pItem, NR::Dim2 orientation, double kBegin, double kEnd) :
item(pItem),
bbox (sp_item_bbox_desktop (pItem))
{
anchor = kBegin * bbox.min()[orientation] + kEnd * bbox.max()[orientation];
}
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,
NR::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 = SP_ACTIVE_DESKTOP;
if (!desktop) return;
Inkscape::Selection *selection = SP_DT_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)
{
BBoxSort b (*it, _orientation, _kBegin, _kEnd);
sorted.push_back(b);
}
//sort bbox by anchors
std::sort(sorted.begin(), sorted.end());
// see comment in ActionAlign above
int saved_compensation = prefs_get_int_attribute("options.clonecompensation", "value", SP_CLONE_COMPENSATION_UNMOVED);
prefs_set_int_attribute("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.extent(_orientation);
}
//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 (!NR_DF_TEST_CLOSE (pos, it->bbox.min()[_orientation], 1e-6)) {
NR::Point t(0.0, 0.0);
t[_orientation] = pos - it->bbox.min()[_orientation];
sp_item_move_rel(it->item, NR::translate(t));
changed = true;
}
pos += it->bbox.extent(_orientation);
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 (!NR_DF_TEST_CLOSE (pos, it.anchor, 1e-6)) {
//Compute translation
NR::Point t(0.0, 0.0);
t[_orientation] = pos - it.anchor;
//translate
sp_item_move_rel(it.item, NR::translate(t));
changed = true;
}
}
}
// restore compensation setting
prefs_set_int_attribute("options.clonecompensation", "value", saved_compensation);
if (changed) {
sp_document_done ( SP_DT_DOCUMENT (desktop) );
}
}
guint _index;
AlignAndDistribute &_dialog;
bool _onInterSpace;
NR::Dim2 _orientation;
double _kBegin;
double _kEnd;
};
class ActionNode : public Action {
public :
ActionNode(const Glib::ustring &id,
const Glib::ustring &tiptext,
guint column,
AlignAndDistribute &dialog,
NR::Dim2 orientation, bool distribute):
Action(id, tiptext, 0, column,
dialog.nodes_table(), dialog.tooltips(), dialog),
_orientation(orientation),
_distribute(distribute)
{}
private :
NR::Dim2 _orientation;
bool _distribute;
virtual void on_button_click()
{
if (!SP_ACTIVE_DESKTOP) return;
SPEventContext *event_context = SP_DT_EVENTCONTEXT(SP_ACTIVE_DESKTOP);
if (!SP_IS_NODE_CONTEXT (event_context)) return ;
Inkscape::NodePath::Path *nodepath = SP_NODE_CONTEXT (event_context)->nodepath;
if (!nodepath) return;
if (_distribute)
sp_nodepath_selected_distribute(nodepath, _orientation);
else
sp_nodepath_selected_align(nodepath, _orientation);
}
};
class ActionRemoveOverlaps : public Action {
private:
Gtk::Label removeOverlapXGapLabel;
Gtk::Label removeOverlapYGapLabel;
Gtk::SpinButton removeOverlapXGap;
Gtk::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, 5.0);
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: Horizontal gap */
removeOverlapXGapLabel.set_label(_("H:"));
removeOverlapYGap.set_digits(1);
removeOverlapYGap.set_size_request(60, -1);
removeOverlapYGap.set_increments(1.0, 5.0);
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_label(_("V:"));
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 (!SP_ACTIVE_DESKTOP) return;
// see comment in ActionAlign above
int saved_compensation = prefs_get_int_attribute("options.clonecompensation", "value", SP_CLONE_COMPENSATION_UNMOVED);
prefs_set_int_attribute("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_DT_SELECTION(SP_ACTIVE_DESKTOP)->itemList(),
xGap, yGap);
// restore compensation setting
prefs_set_int_attribute("options.clonecompensation", "value", saved_compensation);
sp_document_done(SP_DT_DOCUMENT(SP_ACTIVE_DESKTOP));
}
};
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 + 4,
dialog.graphLayout_table(), dialog.tooltips(), dialog)
{}
private :
virtual void on_button_click()
{
if (!SP_ACTIVE_DESKTOP) return;
// see comment in ActionAlign above
int saved_compensation = prefs_get_int_attribute("options.clonecompensation", "value", SP_CLONE_COMPENSATION_UNMOVED);
prefs_set_int_attribute("options.clonecompensation", "value", SP_CLONE_COMPENSATION_UNMOVED);
graphlayout(SP_DT_SELECTION(SP_ACTIVE_DESKTOP)->itemList());
// restore compensation setting
prefs_set_int_attribute("options.clonecompensation", "value", saved_compensation);
sp_document_done(SP_DT_DOCUMENT(SP_ACTIVE_DESKTOP));
}
};
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.distribute_table(), dialog.tooltips(), dialog)
{}
private :
virtual void on_button_click()
{
if (!SP_ACTIVE_DESKTOP) return;
// see comment in ActionAlign above
int saved_compensation = prefs_get_int_attribute("options.clonecompensation", "value", SP_CLONE_COMPENSATION_UNMOVED);
prefs_set_int_attribute("options.clonecompensation", "value", SP_CLONE_COMPENSATION_UNMOVED);
unclump ((GSList *) SP_DT_SELECTION(SP_ACTIVE_DESKTOP)->itemList());
// restore compensation setting
prefs_set_int_attribute("options.clonecompensation", "value", saved_compensation);
sp_document_done (SP_DT_DOCUMENT (SP_ACTIVE_DESKTOP));
}
};
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.distribute_table(), dialog.tooltips(), dialog)
{}
private :
virtual void on_button_click()
{
SPDesktop *desktop = SP_ACTIVE_DESKTOP;
if (!desktop) return;
Inkscape::Selection *selection = SP_DT_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;
// 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_set) {
_dialog.randomize_bbox = selection->bounds();
_dialog.randomize_bbox_set = true;
}
// see comment in ActionAlign above
int saved_compensation = prefs_get_int_attribute("options.clonecompensation", "value", SP_CLONE_COMPENSATION_UNMOVED);
prefs_set_int_attribute("options.clonecompensation", "value", SP_CLONE_COMPENSATION_UNMOVED);
for (std::list<SPItem *>::iterator it(selected.begin());
it != selected.end();
++it)
{
sp_document_ensure_up_to_date(SP_DT_DOCUMENT (desktop));
NR::Rect item_box = sp_item_bbox_desktop (*it);
// find new center, staying within bbox
double x = _dialog.randomize_bbox.min()[NR::X] + item_box.extent(NR::X)/2 +
g_random_double_range (0, _dialog.randomize_bbox.extent(NR::X) - item_box.extent(NR::X));
double y = _dialog.randomize_bbox.min()[NR::Y] + item_box.extent(NR::Y)/2 +
g_random_double_range (0, _dialog.randomize_bbox.extent(NR::Y) - item_box.extent(NR::Y));
// displacement is the new center minus old:
NR::Point t = NR::Point (x, y) - 0.5*(item_box.max() + item_box.min());
sp_item_move_rel(*it, NR::translate(t));
}
// restore compensation setting
prefs_set_int_attribute("options.clonecompensation", "value", saved_compensation);
sp_document_done (SP_DT_DOCUMENT (SP_ACTIVE_DESKTOP));
}
};
struct Baselines
{
SPItem *_item;
NR::Point _base;
NR::Dim2 _orientation;
Baselines(SPItem *item, NR::Point base, NR::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,
NR::Dim2 orientation, bool distribute):
Action(id, tiptext, row, column,
table, dialog.tooltips(), dialog),
_orientation(orientation),
_distribute(distribute)
{}
private :
NR::Dim2 _orientation;
bool _distribute;
virtual void on_button_click()
{
SPDesktop *desktop = SP_ACTIVE_DESKTOP;
if (!desktop) return;
Inkscape::Selection *selection = SP_DT_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;
NR::Point b_min = NR::Point (HUGE_VAL, HUGE_VAL);
NR::Point b_max = NR::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);
NR::Point base = layout->characterAnchorPoint(layout->begin()) * sp_item_i2d_affine(*it);
if (base[NR::X] < b_min[NR::X]) b_min[NR::X] = base[NR::X];
if (base[NR::Y] < b_min[NR::Y]) b_min[NR::Y] = base[NR::Y];
if (base[NR::X] > b_max[NR::X]) b_max[NR::X] = base[NR::X];
if (base[NR::Y] > b_max[NR::Y]) b_max[NR::Y] = base[NR::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;
NR::Point base = sorted[i]._base;
NR::Point t(0.0, 0.0);
t[_orientation] = b_min[_orientation] + step * i - base[_orientation];
sp_item_move_rel(item, NR::translate(t));
changed = true;
}
} 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);
NR::Point base = layout->characterAnchorPoint(layout->begin()) * sp_item_i2d_affine(*it);
NR::Point t(0.0, 0.0);
t[_orientation] = b_min[_orientation] - base[_orientation];
sp_item_move_rel(*it, NR::translate(t));
changed = true;
}
}
}
if (changed) {
sp_document_done (SP_DT_DOCUMENT (SP_ACTIVE_DESKTOP));
}
}
};
void on_tool_changed(Inkscape::Application *inkscape, SPEventContext *context, AlignAndDistribute *daad)
{
SPDesktop *desktop = SP_ACTIVE_DESKTOP;
if (desktop && SP_DT_EVENTCONTEXT(desktop))
daad->setMode(tools_active(desktop) == TOOLS_NODES);
}
void on_selection_changed(Inkscape::Application *inkscape, Inkscape::Selection *selection, AlignAndDistribute *daad)
{
daad->randomize_bbox_set = false;
}
/////////////////////////////////////////////////////////
AlignAndDistribute::AlignAndDistribute()
: Dialog ("dialogs.align", SP_VERB_DIALOG_ALIGN_DISTRIBUTE),
randomize_bbox (NR::Point (0, 0), NR::Point (0, 0)),
_alignFrame(_("Align")),
_distributeFrame(_("Distribute")),
_removeOverlapFrame(_("Remove overlaps")),
_graphLayoutFrame(_("Connector network layout")),
_nodesFrame(_("Nodes")),
_alignTable(2, 6, true),
_distributeTable(3, 6, true),
_removeOverlapTable(1, 5, false),
_graphLayoutTable(1, 5, false),
_nodesTable(1, 4, true),
_anchorLabel(_("Relative to: "))
{
//Instanciate the align buttons
addAlignButton("al_left_out",
_("Align right sides of objects to left side of anchor"),
0, 0);
addAlignButton("al_left_in",
_("Align left sides"),
0, 1);
addAlignButton("al_center_hor",
_("Center on vertical axis"),
0, 2);
addAlignButton("al_right_in",
_("Align right sides"),
0, 3);
addAlignButton("al_right_out",
_("Align left sides of objects to right side of anchor"),
0, 4);
addAlignButton("al_top_out",
_("Align bottoms of objects to top of anchor"),
1, 0);
addAlignButton("al_top_in",
_("Align tops"),
1, 1);
addAlignButton("al_center_ver",
_("Center on horizontal axis"),
1, 2);
addAlignButton("al_bottom_in",
_("Align bottoms"),
1, 3);
addAlignButton("al_bottom_out",
_("Align tops of objects to bottom of anchor"),
1, 4);
//Baseline aligns
addBaselineButton("al_baselines_vert",
_("Align baseline anchors of texts vertically"),
0, 5, this->align_table(), NR::X, false);
addBaselineButton("al_baselines_hor",
_("Align baseline anchors of texts horizontally"),
1, 5, this->align_table(), NR::Y, false);
//The distribute buttons
addDistributeButton("distribute_hdist",
_("Make horizontal gaps between objects equal"),
0, 4, true, NR::X, .5, .5);
addDistributeButton("distribute_left",
_("Distribute left sides equidistantly"),
0, 1, false, NR::X, 1., 0.);
addDistributeButton("distribute_hcentre",
_("Distribute centers equidistantly horizontally"),
0, 2, false, NR::X, .5, .5);
addDistributeButton("distribute_right",
_("Distribute right sides equidistantly"),
0, 3, false, NR::X, 0., 1.);
addDistributeButton("distribute_vdist",
_("Make vertical gaps between objects equal"),
1, 4, true, NR::Y, .5, .5);
addDistributeButton("distribute_top",
_("Distribute tops equidistantly"),
1, 1, false, NR::Y, 0, 1);
addDistributeButton("distribute_vcentre",
_("Distribute centers equidistantly vertically"),
1, 2, false, NR::Y, .5, .5);
addDistributeButton("distribute_bottom",
_("Distribute bottoms equidistantly"),
1, 3, false, NR::Y, 1., 0.);
//Baseline distribs
addBaselineButton("distribute_baselines_hor",
_("Distribute baseline anchors of texts horizontally"),
0, 5, this->distribute_table(), NR::X, true);
addBaselineButton("distribute_baselines_vert",
_("Distribute baseline anchors of texts vertically"),
1, 5, this->distribute_table(), NR::Y, true);
//Randomize & Unclump
addRandomizeButton("distribute_randomize",
_("Randomize centers in both dimensions"),
2, 2);
addUnclumpButton("unclump",
_("Unclump objects: try to equalize edge-to-edge distances"),
2, 4);
//Remove overlaps
addRemoveOverlapsButton("remove_overlaps",
_("Move objects as little as possible so that their bounding boxes do not overlap"),
0, 0);
//Graph Layout
addGraphLayoutButton("graph_layout",
_("Nicely arrange selected connector network"),
0, 0);
//Node Mode buttons
addNodeButton("node_halign",
_("Align selected nodes horizontally"),
0, NR::X, false);
addNodeButton("node_valign",
_("Align selected nodes vertically"),
1, NR::Y, false);
addNodeButton("node_hdistribute",
_("Distribute selected nodes horizontally"),
2, NR::X, true);
addNodeButton("node_vdistribute",
_("Distribute selected nodes vertically"),
3, NR::Y, true);
//Rest of the widgetry
_combo.append_text(_("Last selected"));
_combo.append_text(_("First selected"));
_combo.append_text(_("Biggest item"));
_combo.append_text(_("Smallest item"));
_combo.append_text(_("Page"));
_combo.append_text(_("Drawing"));
_combo.append_text(_("Selection"));
_combo.set_active(6);
_combo.signal_changed().connect(sigc::mem_fun(*this, &AlignAndDistribute::on_ref_change));
_anchorBox.pack_start(_anchorLabel);
_anchorBox.pack_start(_combo);
_alignBox.pack_start(_anchorBox);
_alignBox.pack_start(_alignTable);
_alignFrame.add(_alignBox);
_distributeFrame.add(_distributeTable);
_removeOverlapFrame.add(_removeOverlapTable);
_graphLayoutFrame.add(_graphLayoutTable);
_nodesFrame.add(_nodesTable);
// Top level vbox
Gtk::VBox *vbox = get_vbox();
vbox->set_spacing(4);
// Notebook for individual transformations
vbox->pack_start(_alignFrame, true, true);
vbox->pack_start(_distributeFrame, true, true);
vbox->pack_start(_removeOverlapFrame, true, true);
vbox->pack_start(_graphLayoutFrame, true, true);
vbox->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 = NR::Rect (NR::Point (0, 0), NR::Point (0, 0));
randomize_bbox_set = false;
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(){
//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))();
((_removeOverlapFrame).*(mSel))();
((_graphLayoutFrame).*(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,
NR::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, NR::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::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, NR::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++) {
NR::Rect b = sp_item_bbox_desktop (*it);
gdouble dim = b.extent(horizontal ? NR::X : NR::Y);
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++) {
NR::Rect b = sp_item_bbox_desktop (*it);
gdouble dim = b.extent(horizontal ? NR::X : NR::Y);
if (dim < max) {
max = dim;
master = it;
}
}
return master;
break;
}
default:
g_assert_not_reached ();
break;
} // end of switch statement
return NULL;
}
AlignAndDistribute::AlignTarget AlignAndDistribute::getAlignTarget()const {
return AlignTarget(_combo.get_active_row_number());
}
} // namespace Dialog
} // namespace UI
} // namespace Inkscape
/*
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:encoding=utf-8:textwidth=99 :