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Diffstat (limited to 'src/ui/toolbar/mesh-toolbar.cpp')
| -rw-r--r-- | src/ui/toolbar/mesh-toolbar.cpp | 613 |
1 files changed, 613 insertions, 0 deletions
diff --git a/src/ui/toolbar/mesh-toolbar.cpp b/src/ui/toolbar/mesh-toolbar.cpp new file mode 100644 index 0000000..a1ed631 --- /dev/null +++ b/src/ui/toolbar/mesh-toolbar.cpp @@ -0,0 +1,613 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +/* + * Gradient aux toolbar + * + * Authors: + * bulia byak <bulia@dr.com> + * Johan Engelen <j.b.c.engelen@ewi.utwente.nl> + * Abhishek Sharma + * Tavmjong Bah <tavjong@free.fr> + * + * Copyright (C) 2012 Tavmjong Bah + * Copyright (C) 2007 Johan Engelen + * Copyright (C) 2005 authors + * + * Released under GNU GPL v2+, read the file 'COPYING' for more information. + */ + +#include "mesh-toolbar.h" + +#include <glibmm/i18n.h> + +#include <gtkmm/comboboxtext.h> +#include <gtkmm/messagedialog.h> +#include <gtkmm/radiotoolbutton.h> +#include <gtkmm/separatortoolitem.h> + +#include "desktop-style.h" +#include "desktop.h" +#include "document-undo.h" +#include "gradient-chemistry.h" +#include "gradient-drag.h" +#include "inkscape.h" + +#include "object/sp-defs.h" +#include "object/sp-mesh-gradient.h" +#include "object/sp-stop.h" +#include "style.h" + +#include "svg/css-ostringstream.h" + +#include "ui/icon-names.h" +#include "ui/simple-pref-pusher.h" +#include "ui/tools/gradient-tool.h" +#include "ui/tools/mesh-tool.h" +#include "ui/widget/canvas.h" +#include "ui/widget/color-preview.h" +#include "ui/widget/combo-tool-item.h" +#include "ui/widget/gradient-image.h" +#include "ui/widget/spin-button-tool-item.h" + +using Inkscape::DocumentUndo; +using Inkscape::UI::Tools::MeshTool; + +static bool blocked = false; + +// Get a list of selected meshes taking into account fill/stroke toggles +std::vector<SPMeshGradient *> ms_get_dt_selected_gradients(Inkscape::Selection *selection) +{ + std::vector<SPMeshGradient *> ms_selected; + + Inkscape::Preferences *prefs = Inkscape::Preferences::get(); + bool edit_fill = prefs->getBool("/tools/mesh/edit_fill", true); + bool edit_stroke = prefs->getBool("/tools/mesh/edit_stroke", true); + + auto itemlist= selection->items(); + for(auto i=itemlist.begin();i!=itemlist.end();++i){ + SPItem *item = *i;// get the items gradient, not the getVector() version + SPStyle *style = item->style; + + if (style) { + + + if (edit_fill && style->fill.isPaintserver()) { + SPPaintServer *server = item->style->getFillPaintServer(); + SPMeshGradient *mesh = dynamic_cast<SPMeshGradient *>(server); + if (mesh) { + ms_selected.push_back(mesh); + } + } + + if (edit_stroke && style->stroke.isPaintserver()) { + SPPaintServer *server = item->style->getStrokePaintServer(); + SPMeshGradient *mesh = dynamic_cast<SPMeshGradient *>(server); + if (mesh) { + ms_selected.push_back(mesh); + } + } + } + + } + return ms_selected; +} + + +/* + * Get the current selection status from the desktop + */ +void ms_read_selection( Inkscape::Selection *selection, + SPMeshGradient *&ms_selected, + bool &ms_selected_multi, + SPMeshType &ms_type, + bool &ms_type_multi ) +{ + ms_selected = nullptr; + ms_selected_multi = false; + ms_type = SP_MESH_TYPE_COONS; + ms_type_multi = false; + + bool first = true; + + // Read desktop selection, taking into account fill/stroke toggles + std::vector<SPMeshGradient *> meshes = ms_get_dt_selected_gradients( selection ); + for (auto & meshe : meshes) { + if (first) { + ms_selected = meshe; + ms_type = meshe->type; + first = false; + } else { + if (ms_selected != meshe) { + ms_selected_multi = true; + } + if (ms_type != meshe->type) { + ms_type_multi = true; + } + } + } +} + + +/* + * Callback functions for user actions + */ + + +/** Temporary hack: Returns the mesh tool in the active desktop. + * Will go away during tool refactoring. */ +static MeshTool *get_mesh_tool() +{ + MeshTool *tool = nullptr; + if (SP_ACTIVE_DESKTOP ) { + Inkscape::UI::Tools::ToolBase *ec = SP_ACTIVE_DESKTOP->event_context; + if (SP_IS_MESH_CONTEXT(ec)) { + tool = static_cast<MeshTool*>(ec); + } + } + return tool; +} + + +namespace Inkscape { +namespace UI { +namespace Toolbar { +MeshToolbar::MeshToolbar(SPDesktop *desktop) + : Toolbar(desktop), + _edit_fill_pusher(nullptr) +{ + Inkscape::Preferences *prefs = Inkscape::Preferences::get(); + + /* New mesh: normal or conical */ + { + add_label(_("New:")); + + Gtk::RadioToolButton::Group new_type_group; + + auto normal_type_btn = Gtk::manage(new Gtk::RadioToolButton(new_type_group, _("normal"))); + normal_type_btn->set_tooltip_text(_("Create mesh gradient")); + normal_type_btn->set_icon_name(INKSCAPE_ICON("paint-gradient-mesh")); + _new_type_buttons.push_back(normal_type_btn); + + auto conical_type_btn = Gtk::manage(new Gtk::RadioToolButton(new_type_group, _("conical"))); + conical_type_btn->set_tooltip_text(_("Create conical gradient")); + conical_type_btn->set_icon_name(INKSCAPE_ICON("paint-gradient-conical")); + _new_type_buttons.push_back(conical_type_btn); + + int btn_idx = 0; + for (auto btn : _new_type_buttons) { + add(*btn); + btn->set_sensitive(); + btn->signal_clicked().connect(sigc::bind(sigc::mem_fun(*this, &MeshToolbar::new_geometry_changed), btn_idx++)); + } + + gint mode = prefs->getInt("/tools/mesh/mesh_geometry", SP_MESH_GEOMETRY_NORMAL); + _new_type_buttons[mode]->set_active(); + } + + /* New gradient on fill or stroke*/ + { + Gtk::RadioToolButton::Group new_fillstroke_group; + + auto fill_button = Gtk::manage(new Gtk::RadioToolButton(new_fillstroke_group, _("fill"))); + fill_button->set_tooltip_text(_("Create gradient in the fill")); + fill_button->set_icon_name(INKSCAPE_ICON("object-fill")); + _new_fillstroke_buttons.push_back(fill_button); + + auto stroke_btn = Gtk::manage(new Gtk::RadioToolButton(new_fillstroke_group, _("stroke"))); + stroke_btn->set_tooltip_text(_("Create gradient in the stroke")); + stroke_btn->set_icon_name(INKSCAPE_ICON("object-stroke")); + _new_fillstroke_buttons.push_back(stroke_btn); + + int btn_idx = 0; + for(auto btn : _new_fillstroke_buttons) { + add(*btn); + btn->set_sensitive(true); + btn->signal_clicked().connect(sigc::bind(sigc::mem_fun(*this, &MeshToolbar::new_fillstroke_changed), btn_idx++)); + } + + gint mode = prefs->getInt("/tools/mesh/newfillorstroke"); + _new_fillstroke_buttons[mode]->set_active(); + } + + /* Number of mesh rows */ + { + std::vector<double> values = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10}; + auto rows_val = prefs->getDouble("/tools/mesh/mesh_rows", 1); + _row_adj = Gtk::Adjustment::create(rows_val, 1, 20, 1, 1); + auto row_item = Gtk::manage(new UI::Widget::SpinButtonToolItem("mesh-row", _("Rows:"), _row_adj, 1.0, 0)); + row_item->set_tooltip_text(_("Number of rows in new mesh")); + row_item->set_custom_numeric_menu_data(values); + row_item->set_focus_widget(desktop->canvas); + _row_adj->signal_value_changed().connect(sigc::mem_fun(*this, &MeshToolbar::row_changed)); + add(*row_item); + row_item->set_sensitive(true); + } + + /* Number of mesh columns */ + { + std::vector<double> values = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10}; + auto col_val = prefs->getDouble("/tools/mesh/mesh_cols", 1); + _col_adj = Gtk::Adjustment::create(col_val, 1, 20, 1, 1); + auto col_item = Gtk::manage(new UI::Widget::SpinButtonToolItem("mesh-col", _("Columns:"), _col_adj, 1.0, 0)); + col_item->set_tooltip_text(_("Number of columns in new mesh")); + col_item->set_custom_numeric_menu_data(values); + col_item->set_focus_widget(desktop->canvas); + _col_adj->signal_value_changed().connect(sigc::mem_fun(*this, &MeshToolbar::col_changed)); + add(*col_item); + col_item->set_sensitive(true); + } + + add(* Gtk::manage(new Gtk::SeparatorToolItem())); + + // TODO: These were disabled in the UI file. Either activate or delete +#if 0 + /* Edit fill mesh */ + { + _edit_fill_item = add_toggle_button(_("Edit Fill"), + _("Edit fill mesh")); + _edit_fill_item->set_icon_name(INKSCAPE_ICON("object-fill")); + _edit_fill_pusher.reset(new UI::SimplePrefPusher(_edit_fill_item, "/tools/mesh/edit_fill")); + _edit_fill_item->signal_toggled().connect(sigc::mem_fun(*this, &MeshToolbar::toggle_fill_stroke)); + } + + /* Edit stroke mesh */ + { + _edit_stroke_item = add_toggle_button(_("Edit Stroke"), + _("Edit stroke mesh")); + _edit_stroke_item->set_icon_name(INKSCAPE_ICON("object-stroke")); + _edit_stroke_pusher.reset(new UI::SimplePrefPusher(_edit_stroke_item, "/tools/mesh/edit_stroke")); + _edit_stroke_item->signal_toggled().connect(sigc::mem_fun(*this, &MeshToolbar::toggle_fill_stroke)); + } + + /* Show/hide side and tensor handles */ + { + auto show_handles_item = add_toggle_button(_("Show Handles"), + _("Show handles")); + show_handles_item->set_icon_name(INKSCAPE_ICON("show-node-handles")); + _show_handles_pusher.reset(new UI::SimplePrefPusher(show_handles_item, "/tools/mesh/show_handles")); + show_handles_item->signal_toggled().connect(sigc::mem_fun(*this, &MeshToolbar::toggle_handles)); + } +#endif + + desktop->connectEventContextChanged(sigc::mem_fun(*this, &MeshToolbar::watch_ec)); + + { + auto btn = Gtk::manage(new Gtk::ToolButton(_("Toggle Sides"))); + btn->set_tooltip_text(_("Toggle selected sides between Beziers and lines.")); + btn->set_icon_name(INKSCAPE_ICON("node-segment-line")); + btn->signal_clicked().connect(sigc::mem_fun(*this, &MeshToolbar::toggle_sides)); + add(*btn); + } + + { + auto btn = Gtk::manage(new Gtk::ToolButton(_("Make elliptical"))); + btn->set_tooltip_text(_("Make selected sides elliptical by changing length of handles. Works best if handles already approximate ellipse.")); + btn->set_icon_name(INKSCAPE_ICON("node-segment-curve")); + btn->signal_clicked().connect(sigc::mem_fun(*this, &MeshToolbar::make_elliptical)); + add(*btn); + } + + { + auto btn = Gtk::manage(new Gtk::ToolButton(_("Pick colors:"))); + btn->set_tooltip_text(_("Pick colors for selected corner nodes from underneath mesh.")); + btn->set_icon_name(INKSCAPE_ICON("color-picker")); + btn->signal_clicked().connect(sigc::mem_fun(*this, &MeshToolbar::pick_colors)); + add(*btn); + } + + + { + auto btn = Gtk::manage(new Gtk::ToolButton(_("Scale mesh to bounding box:"))); + btn->set_tooltip_text(_("Scale mesh to fit inside bounding box.")); + btn->set_icon_name(INKSCAPE_ICON("mesh-gradient-fit")); + btn->signal_clicked().connect(sigc::mem_fun(*this, &MeshToolbar::fit_mesh)); + add(*btn); + } + + add(* Gtk::manage(new Gtk::SeparatorToolItem())); + + /* Warning */ + { + auto btn = Gtk::manage(new Gtk::ToolButton(_("WARNING: Mesh SVG Syntax Subject to Change"))); + btn->set_tooltip_text(_("WARNING: Mesh SVG Syntax Subject to Change")); + btn->set_icon_name(INKSCAPE_ICON("dialog-warning")); + add(*btn); + btn->signal_clicked().connect(sigc::mem_fun(*this, &MeshToolbar::warning_popup)); + btn->set_sensitive(true); + } + + /* Type */ + { + UI::Widget::ComboToolItemColumns columns; + Glib::RefPtr<Gtk::ListStore> store = Gtk::ListStore::create(columns); + Gtk::TreeModel::Row row; + + row = *(store->append()); + row[columns.col_label ] = C_("Type", "Coons"); + row[columns.col_sensitive] = true; + + row = *(store->append()); + row[columns.col_label ] = _("Bicubic"); + row[columns.col_sensitive] = true; + + _select_type_item = Gtk::manage(UI::Widget::ComboToolItem::create(_("Smoothing"), + // TRANSLATORS: Type of Smoothing. See https://en.wikipedia.org/wiki/Coons_patch + _("Coons: no smoothing. Bicubic: smoothing across patch boundaries."), + "Not Used", store)); + _select_type_item->use_group_label(true); + + _select_type_item->set_active(0); + + _select_type_item->signal_changed().connect(sigc::mem_fun(*this, &MeshToolbar::type_changed)); + add(*_select_type_item); + } + + show_all(); +} + +/** + * Mesh auxiliary toolbar construction and setup. + * Don't forget to add to XML in widgets/toolbox.cpp! + * + */ +GtkWidget * +MeshToolbar::create(SPDesktop * desktop) +{ + auto toolbar = new MeshToolbar(desktop); + return GTK_WIDGET(toolbar->gobj()); +} + +void +MeshToolbar::new_geometry_changed(int mode) +{ + Inkscape::Preferences *prefs = Inkscape::Preferences::get(); + prefs->setInt("/tools/mesh/mesh_geometry", mode); +} + +void +MeshToolbar::new_fillstroke_changed(int mode) +{ + Inkscape::Preferences *prefs = Inkscape::Preferences::get(); + prefs->setInt("/tools/mesh/newfillorstroke", mode); +} + +void +MeshToolbar::row_changed() +{ + if (blocked) { + return; + } + + blocked = TRUE; + + int rows = _row_adj->get_value(); + + Inkscape::Preferences *prefs = Inkscape::Preferences::get(); + + prefs->setInt("/tools/mesh/mesh_rows", rows); + + blocked = FALSE; +} + +void +MeshToolbar::col_changed() +{ + if (blocked) { + return; + } + + blocked = TRUE; + + int cols = _col_adj->get_value(); + + Inkscape::Preferences *prefs = Inkscape::Preferences::get(); + + prefs->setInt("/tools/mesh/mesh_cols", cols); + + blocked = FALSE; +} + +void +MeshToolbar::toggle_fill_stroke() +{ + auto prefs = Inkscape::Preferences::get(); + prefs->setBool("tools/mesh/edit_fill", _edit_fill_item->get_active()); + prefs->setBool("tools/mesh/edit_stroke", _edit_stroke_item->get_active()); + + MeshTool *mt = get_mesh_tool(); + if (mt) { + GrDrag *drag = mt->get_drag(); + drag->updateDraggers(); + drag->updateLines(); + drag->updateLevels(); + selection_changed(nullptr); // Need to update Type widget + } +} + +void +MeshToolbar::toggle_handles() +{ + MeshTool *mt = get_mesh_tool(); + if (mt) { + GrDrag *drag = mt->get_drag(); + drag->refreshDraggers(); + } +} + +void +MeshToolbar::watch_ec(SPDesktop* desktop, Inkscape::UI::Tools::ToolBase* ec) +{ + if (SP_IS_MESH_CONTEXT(ec)) { + // connect to selection modified and changed signals + Inkscape::Selection *selection = desktop->getSelection(); + SPDocument *document = desktop->getDocument(); + + c_selection_changed = selection->connectChanged(sigc::mem_fun(*this, &MeshToolbar::selection_changed)); + c_selection_modified = selection->connectModified(sigc::mem_fun(*this, &MeshToolbar::selection_modified)); + c_subselection_changed = desktop->connectToolSubselectionChanged(sigc::mem_fun(*this, &MeshToolbar::drag_selection_changed)); + + c_defs_release = document->getDefs()->connectRelease(sigc::mem_fun(*this, &MeshToolbar::defs_release)); + c_defs_modified = document->getDefs()->connectModified(sigc::mem_fun(*this, &MeshToolbar::defs_modified)); + selection_changed(selection); + } else { + if (c_selection_changed) + c_selection_changed.disconnect(); + if (c_selection_modified) + c_selection_modified.disconnect(); + if (c_subselection_changed) + c_subselection_changed.disconnect(); + if (c_defs_release) + c_defs_release.disconnect(); + if (c_defs_modified) + c_defs_modified.disconnect(); + } +} + +void +MeshToolbar::selection_modified(Inkscape::Selection *selection, guint /*flags*/) +{ + selection_changed(selection); +} + +void +MeshToolbar::drag_selection_changed(gpointer /*dragger*/) +{ + selection_changed(nullptr); +} + +void +MeshToolbar::defs_release(SPObject * /*defs*/) +{ + selection_changed(nullptr); +} + +void +MeshToolbar::defs_modified(SPObject * /*defs*/, guint /*flags*/) +{ + selection_changed(nullptr); +} + +/* + * Core function, setup all the widgets whenever something changes on the desktop + */ +void +MeshToolbar::selection_changed(Inkscape::Selection * /* selection */) +{ + // std::cout << "ms_tb_selection_changed" << std::endl; + + if (blocked) + return; + + if (!_desktop) { + return; + } + + Inkscape::Selection *selection = _desktop->getSelection(); // take from desktop, not from args + if (selection) { + // ToolBase *ev = sp_desktop_event_context(desktop); + // GrDrag *drag = NULL; + // if (ev) { + // drag = ev->get_drag(); + // // Hide/show handles? + // } + + SPMeshGradient *ms_selected = nullptr; + SPMeshType ms_type = SP_MESH_TYPE_COONS; + bool ms_selected_multi = false; + bool ms_type_multi = false; + ms_read_selection( selection, ms_selected, ms_selected_multi, ms_type, ms_type_multi ); + // std::cout << " type: " << ms_type << std::endl; + + if (_select_type_item) { + _select_type_item->set_sensitive(!ms_type_multi); + blocked = TRUE; + _select_type_item->set_active(ms_type); + blocked = FALSE; + } + } +} + +void +MeshToolbar::warning_popup() +{ + char *msg = _("Mesh gradients are part of SVG 2:\n" + "* Syntax may change.\n" + "* Web browser implementation is not guaranteed.\n" + "\n" + "For web: convert to bitmap (Edit->Make bitmap copy).\n" + "For print: export to PDF."); + Gtk::MessageDialog dialog(msg, false, Gtk::MESSAGE_WARNING, + Gtk::BUTTONS_OK, true); + dialog.run(); +} + +/** + * Sets mesh type: Coons, Bicubic + */ +void +MeshToolbar::type_changed(int mode) +{ + if (blocked) { + return; + } + + Inkscape::Selection *selection = _desktop->getSelection(); + std::vector<SPMeshGradient *> meshes = ms_get_dt_selected_gradients(selection); + + SPMeshType type = (SPMeshType) mode; + for (auto & meshe : meshes) { + meshe->type = type; + meshe->type_set = true; + meshe->updateRepr(); + } + if (!meshes.empty() ) { + DocumentUndo::done(_desktop->getDocument(), _("Set mesh type"), INKSCAPE_ICON("mesh-gradient")); + } +} + +void +MeshToolbar::toggle_sides() +{ + if (MeshTool *mt = get_mesh_tool()) { + mt->corner_operation(MG_CORNER_SIDE_TOGGLE); + } +} + +void +MeshToolbar::make_elliptical() +{ + if (MeshTool *mt = get_mesh_tool()) { + mt->corner_operation(MG_CORNER_SIDE_ARC); + } +} + +void +MeshToolbar::pick_colors() +{ + if (MeshTool *mt = get_mesh_tool()) { + mt->corner_operation(MG_CORNER_COLOR_PICK); + } +} + +void +MeshToolbar::fit_mesh() +{ + if (MeshTool *mt = get_mesh_tool()) { + mt->fit_mesh_in_bbox(); + } +} + + +} +} +} + +/* + 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 : |