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Diffstat (limited to 'src/object/sp-namedview.cpp')
| -rw-r--r-- | src/object/sp-namedview.cpp | 1125 |
1 files changed, 1125 insertions, 0 deletions
diff --git a/src/object/sp-namedview.cpp b/src/object/sp-namedview.cpp new file mode 100644 index 0000000..0fc6339 --- /dev/null +++ b/src/object/sp-namedview.cpp @@ -0,0 +1,1125 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +/* + * <sodipodi:namedview> implementation + * + * Authors: + * Lauris Kaplinski <lauris@kaplinski.com> + * bulia byak <buliabyak@users.sf.net> + * Jon A. Cruz <jon@joncruz.org> + * Abhishek Sharma + * + * Copyright (C) 2006 Johan Engelen <johan@shouraizou.nl> + * Copyright (C) 1999-2013 Authors + * Copyright (C) 2000-2001 Ximian, Inc. + * + * Released under GNU GPL v2+, read the file 'COPYING' for more information. + */ + +#include "sp-namedview.h" + +#include <cstring> +#include <string> + +#include <2geom/transforms.h> + +#include <gtkmm/window.h> + +#include "attributes.h" +#include "conn-avoid-ref.h" // for defaultConnSpacing. +#include "desktop-events.h" +#include "desktop.h" +#include "document-undo.h" +#include "document.h" +#include "enums.h" +#include "event-log.h" +#include "layer-manager.h" +#include "page-manager.h" +#include "preferences.h" +#include "sp-guide.h" +#include "sp-page.h" +#include "sp-item-group.h" +#include "sp-root.h" + +#include "actions/actions-canvas-snapping.h" +#include "display/control/canvas-grid.h" +#include "display/control/canvas-page.h" +#include "svg/svg-color.h" +#include "ui/monitor.h" +#include "ui/widget/canvas.h" +#include "util/units.h" +#include "xml/repr.h" + +using Inkscape::DocumentUndo; +using Inkscape::Util::unit_table; + +#define DEFAULTGRIDCOLOR 0x3f3fff25 +#define DEFAULTGRIDEMPCOLOR 0x3f3fff60 +#define DEFAULTGRIDEMPSPACING 5 +#define DEFAULTGUIDECOLOR 0x0086e599 +#define DEFAULTGUIDEHICOLOR 0xff00007f +#define DEFAULTDESKCOLOR 0xd1d1d1ff + +SPNamedView::SPNamedView() + : SPObjectGroup() + , snap_manager(this, get_snapping_preferences()) + , showguides(true) + , lockguides(false) + , grids_visible(false) + , desk_checkerboard(false) +{ + this->zoom = 0; + this->guidecolor = 0; + this->guidehicolor = 0; + this->views.clear(); + // this->page_size_units = nullptr; + this->window_x = 0; + this->cy = 0; + this->window_y = 0; + this->display_units = nullptr; + // this->page_size_units = nullptr; + this->cx = 0; + this->rotation = 0; + this->window_width = 0; + this->window_height = 0; + this->window_maximized = 0; + this->desk_color = DEFAULTDESKCOLOR; + + this->editable = TRUE; + this->guides.clear(); + this->viewcount = 0; + this->grids.clear(); + + this->default_layer_id = 0; + + this->connector_spacing = defaultConnSpacing; + + this->_viewport = new Inkscape::CanvasPage(); + this->_viewport->hide(); +} + +SPNamedView::~SPNamedView() +{ + delete _viewport; +} + +static void sp_namedview_generate_old_grid(SPNamedView * /*nv*/, SPDocument *document, Inkscape::XML::Node *repr) { + bool old_grid_settings_present = false; + + // set old settings + const char* gridspacingx = "1px"; + const char* gridspacingy = "1px"; + const char* gridoriginy = "0px"; + const char* gridoriginx = "0px"; + const char* gridempspacing = "5"; + const char* gridcolor = "#3f3fff"; + const char* gridempcolor = "#3f3fff"; + const char* gridopacity = "0.15"; + const char* gridempopacity = "0.38"; + + const char* value = nullptr; + if ((value = repr->attribute("gridoriginx"))) { + gridoriginx = value; + old_grid_settings_present = true; + } + if ((value = repr->attribute("gridoriginy"))) { + gridoriginy = value; + old_grid_settings_present = true; + } + if ((value = repr->attribute("gridspacingx"))) { + gridspacingx = value; + old_grid_settings_present = true; + } + if ((value = repr->attribute("gridspacingy"))) { + gridspacingy = value; + old_grid_settings_present = true; + } + if ((value = repr->attribute("gridcolor"))) { + gridcolor = value; + old_grid_settings_present = true; + } + if ((value = repr->attribute("gridempcolor"))) { + gridempcolor = value; + old_grid_settings_present = true; + } + if ((value = repr->attribute("gridempspacing"))) { + gridempspacing = value; + old_grid_settings_present = true; + } + if ((value = repr->attribute("gridopacity"))) { + gridopacity = value; + old_grid_settings_present = true; + } + if ((value = repr->attribute("gridempopacity"))) { + gridempopacity = value; + old_grid_settings_present = true; + } + + if (old_grid_settings_present) { + // generate new xy grid with the correct settings + // first create the child xml node, then hook it to repr. This order is important, to not set off listeners to repr before the new node is complete. + + Inkscape::XML::Document *xml_doc = document->getReprDoc(); + Inkscape::XML::Node *newnode = xml_doc->createElement("inkscape:grid"); + newnode->setAttribute("id", "GridFromPre046Settings"); + newnode->setAttribute("type", Inkscape::CanvasGrid::getSVGName(Inkscape::GRID_RECTANGULAR)); + newnode->setAttribute("originx", gridoriginx); + newnode->setAttribute("originy", gridoriginy); + newnode->setAttribute("spacingx", gridspacingx); + newnode->setAttribute("spacingy", gridspacingy); + newnode->setAttribute("color", gridcolor); + newnode->setAttribute("empcolor", gridempcolor); + newnode->setAttribute("opacity", gridopacity); + newnode->setAttribute("empopacity", gridempopacity); + newnode->setAttribute("empspacing", gridempspacing); + + repr->appendChild(newnode); + Inkscape::GC::release(newnode); + + // remove all old settings + repr->removeAttribute("gridoriginx"); + repr->removeAttribute("gridoriginy"); + repr->removeAttribute("gridspacingx"); + repr->removeAttribute("gridspacingy"); + repr->removeAttribute("gridcolor"); + repr->removeAttribute("gridempcolor"); + repr->removeAttribute("gridopacity"); + repr->removeAttribute("gridempopacity"); + repr->removeAttribute("gridempspacing"); + +// SPDocumentUndo::done(doc, _("Create new grid from pre0.46 grid settings"), ""); + } +} + +void SPNamedView::build(SPDocument *document, Inkscape::XML::Node *repr) { + SPObjectGroup::build(document, repr); + + this->readAttr(SPAttr::INKSCAPE_DOCUMENT_UNITS); + this->readAttr(SPAttr::UNITS); + this->readAttr(SPAttr::VIEWONLY); + this->readAttr(SPAttr::SHOWGUIDES); + this->readAttr(SPAttr::SHOWGRIDS); + this->readAttr(SPAttr::GRIDTOLERANCE); + this->readAttr(SPAttr::GUIDETOLERANCE); + this->readAttr(SPAttr::OBJECTTOLERANCE); + this->readAttr(SPAttr::ALIGNMENTTOLERANCE); + this->readAttr(SPAttr::DISTRIBUTIONTOLERANCE); + this->readAttr(SPAttr::GUIDECOLOR); + this->readAttr(SPAttr::GUIDEOPACITY); + this->readAttr(SPAttr::GUIDEHICOLOR); + this->readAttr(SPAttr::GUIDEHIOPACITY); + this->readAttr(SPAttr::SHOWBORDER); + this->readAttr(SPAttr::SHOWPAGESHADOW); + this->readAttr(SPAttr::BORDERLAYER); + this->readAttr(SPAttr::BORDERCOLOR); + this->readAttr(SPAttr::BORDEROPACITY); + this->readAttr(SPAttr::PAGECOLOR); + this->readAttr(SPAttr::INKSCAPE_PAGEOPACITY); + this->readAttr(SPAttr::INKSCAPE_DESK_COLOR); + this->readAttr(SPAttr::INKSCAPE_DESK_CHECKERBOARD); + this->readAttr(SPAttr::INKSCAPE_PAGESHADOW); + this->readAttr(SPAttr::INKSCAPE_ZOOM); + this->readAttr(SPAttr::INKSCAPE_ROTATION); + this->readAttr(SPAttr::INKSCAPE_CX); + this->readAttr(SPAttr::INKSCAPE_CY); + this->readAttr(SPAttr::INKSCAPE_WINDOW_WIDTH); + this->readAttr(SPAttr::INKSCAPE_WINDOW_HEIGHT); + this->readAttr(SPAttr::INKSCAPE_WINDOW_X); + this->readAttr(SPAttr::INKSCAPE_WINDOW_Y); + this->readAttr(SPAttr::INKSCAPE_WINDOW_MAXIMIZED); + this->readAttr(SPAttr::INKSCAPE_CURRENT_LAYER); + this->readAttr(SPAttr::INKSCAPE_CONNECTOR_SPACING); + this->readAttr(SPAttr::INKSCAPE_LOCKGUIDES); + + /* Construct guideline and pages list */ + for (auto &child : children) { + if (auto guide = dynamic_cast<SPGuide *>(&child)) { + this->guides.push_back(guide); + //g_object_set(G_OBJECT(g), "color", nv->guidecolor, "hicolor", nv->guidehicolor, NULL); + guide->setColor(this->guidecolor); + guide->setHiColor(this->guidehicolor); + guide->readAttr(SPAttr::INKSCAPE_COLOR); + } + if (auto page = dynamic_cast<SPPage *>(&child)) { + document->getPageManager().addPage(page); + } + } + + // backwards compatibility with grid settings (pre 0.46) + sp_namedview_generate_old_grid(this, document, repr); +} + +void SPNamedView::release() { + this->guides.clear(); + + // delete grids: + for(auto grid : this->grids) + delete grid; + this->grids.clear(); + SPObjectGroup::release(); +} + +void SPNamedView::set_desk_color(SPDesktop* desktop) { + if (desktop) { + if (desk_checkerboard) { + desktop->getCanvas()->set_background_checkerboard(desk_color); + } else { + desktop->getCanvas()->set_background_color(desk_color); + } + } +} + +void SPNamedView::modified(unsigned int flags) +{ + // Copy the page style for the default viewport attributes + auto &page_manager = document->getPageManager(); + if (flags & SP_OBJECT_MODIFIED_FLAG) { + page_manager.setDefaultAttributes(_viewport); + updateViewPort(); + // Pass modifications to the page manager to update the page items. + for (auto &page : page_manager.getPages()) { + page->setDefaultAttributes(); + } + updateGuides(); + } + // Add desk color, and chckerboard pattern to desk view + for (auto desktop : views) { + set_desk_color(desktop); + } + + for (auto child : this->childList(false)) { + if (flags || (child->mflags & (SP_OBJECT_MODIFIED_FLAG | SP_OBJECT_CHILD_MODIFIED_FLAG))) { + child->emitModified(flags & SP_OBJECT_MODIFIED_CASCADE); + } + } +} + +/** + * Propergate the update to the child nodes so they can be updated correctly. + */ +void SPNamedView::update(SPCtx *ctx, guint flags) +{ + if (flags & SP_OBJECT_MODIFIED_FLAG) { + flags |= SP_OBJECT_PARENT_MODIFIED_FLAG; + } + + flags &= SP_OBJECT_MODIFIED_CASCADE; + + for (auto child : this->childList(false)) { + if (flags || (child->uflags & (SP_OBJECT_MODIFIED_FLAG | SP_OBJECT_CHILD_MODIFIED_FLAG))) { + child->updateDisplay(ctx, flags); + } + } +} + +void SPNamedView::set(SPAttr key, const gchar* value) { + // Send page attributes to the page manager. + if (document->getPageManager().subset(key, value)) { + this->requestModified(SP_OBJECT_MODIFIED_FLAG); + return; + } + + switch (key) { + case SPAttr::VIEWONLY: + this->editable = (!value); + break; + case SPAttr::SHOWGUIDES: + this->showguides.readOrUnset(value); + break; + case SPAttr::INKSCAPE_LOCKGUIDES: + this->lockguides.readOrUnset(value); + break; + case SPAttr::SHOWGRIDS: + this->grids_visible.readOrUnset(value); + break; + case SPAttr::GRIDTOLERANCE: + this->snap_manager.snapprefs.setGridTolerance(value ? g_ascii_strtod(value, nullptr) : 10000); + break; + case SPAttr::GUIDETOLERANCE: + this->snap_manager.snapprefs.setGuideTolerance(value ? g_ascii_strtod(value, nullptr) : 20); + break; + case SPAttr::OBJECTTOLERANCE: + this->snap_manager.snapprefs.setObjectTolerance(value ? g_ascii_strtod(value, nullptr) : 20); + break; + case SPAttr::ALIGNMENTTOLERANCE: + this->snap_manager.snapprefs.setAlignementTolerance(value ? g_ascii_strtod(value, nullptr) : 5); + break; + case SPAttr::DISTRIBUTIONTOLERANCE: + this->snap_manager.snapprefs.setDistributionTolerance(value ? g_ascii_strtod(value, nullptr) : 5); + break; + case SPAttr::GUIDECOLOR: + this->guidecolor = (this->guidecolor & 0xff) | (DEFAULTGUIDECOLOR & 0xffffff00); + if (value) { + this->guidecolor = (this->guidecolor & 0xff) | sp_svg_read_color(value, this->guidecolor); + } + for(auto guide : this->guides) { + guide->setColor(this->guidecolor); + guide->readAttr(SPAttr::INKSCAPE_COLOR); + } + break; + case SPAttr::GUIDEOPACITY: + sp_ink_read_opacity(value, &this->guidecolor, DEFAULTGUIDECOLOR); + for (auto guide : this->guides) { + guide->setColor(this->guidecolor); + guide->readAttr(SPAttr::INKSCAPE_COLOR); + } + break; + case SPAttr::GUIDEHICOLOR: + this->guidehicolor = (this->guidehicolor & 0xff) | (DEFAULTGUIDEHICOLOR & 0xffffff00); + if (value) { + this->guidehicolor = (this->guidehicolor & 0xff) | sp_svg_read_color(value, this->guidehicolor); + } + for(auto guide : this->guides) { + guide->setHiColor(this->guidehicolor); + } + break; + case SPAttr::GUIDEHIOPACITY: + sp_ink_read_opacity(value, &this->guidehicolor, DEFAULTGUIDEHICOLOR); + for (auto guide : this->guides) { + guide->setHiColor(this->guidehicolor); + } + break; + case SPAttr::PAGECOLOR: + break; + case SPAttr::INKSCAPE_DESK_COLOR: + if (value) { + desk_color = sp_svg_read_color(value, desk_color); + } + break; + case SPAttr::INKSCAPE_DESK_CHECKERBOARD: + this->desk_checkerboard.readOrUnset(value); + break; + case SPAttr::INKSCAPE_ZOOM: + this->zoom = value ? g_ascii_strtod(value, nullptr) : 0; // zero means not set + break; + case SPAttr::INKSCAPE_ROTATION: + this->rotation = value ? g_ascii_strtod(value, nullptr) : 0; // zero means not set + break; + case SPAttr::INKSCAPE_CX: + this->cx = value ? g_ascii_strtod(value, nullptr) : HUGE_VAL; // HUGE_VAL means not set + break; + case SPAttr::INKSCAPE_CY: + this->cy = value ? g_ascii_strtod(value, nullptr) : HUGE_VAL; // HUGE_VAL means not set + break; + case SPAttr::INKSCAPE_WINDOW_WIDTH: + this->window_width = value? atoi(value) : -1; // -1 means not set + break; + case SPAttr::INKSCAPE_WINDOW_HEIGHT: + this->window_height = value ? atoi(value) : -1; // -1 means not set + break; + case SPAttr::INKSCAPE_WINDOW_X: + this->window_x = value ? atoi(value) : 0; + break; + case SPAttr::INKSCAPE_WINDOW_Y: + this->window_y = value ? atoi(value) : 0; + break; + case SPAttr::INKSCAPE_WINDOW_MAXIMIZED: + this->window_maximized = value ? atoi(value) : 0; + break; + case SPAttr::INKSCAPE_CURRENT_LAYER: + this->default_layer_id = value ? g_quark_from_string(value) : 0; + break; + case SPAttr::INKSCAPE_CONNECTOR_SPACING: + this->connector_spacing = value ? g_ascii_strtod(value, nullptr) : defaultConnSpacing; + break; + case SPAttr::INKSCAPE_DOCUMENT_UNITS: { + /* The default display unit if the document doesn't override this: e.g. for files saved as + * `plain SVG', or non-inkscape files, or files created by an inkscape 0.40 & + * earlier. + * + * Note that these units are not the same as the units used for the values in SVG! + * + * We default to `px'. + */ + static Inkscape::Util::Unit const *px = unit_table.getUnit("px"); + Inkscape::Util::Unit const *new_unit = px; + + if (value) { + Inkscape::Util::Unit const *const req_unit = unit_table.getUnit(value); + if ( !unit_table.hasUnit(value) ) { + g_warning("Unrecognized unit `%s'", value); + /* fixme: Document errors should be reported in the status bar or + * the like (e.g. as per + * http://www.w3.org/TR/SVG11/implnote.html#ErrorProcessing); g_log + * should be only for programmer errors. */ + } else if ( req_unit->isAbsolute() ) { + new_unit = req_unit; + } else { + g_warning("Document units must be absolute like `mm', `pt' or `px', but found `%s'", value); + /* fixme: Don't use g_log (see above). */ + } + } + this->display_units = new_unit; + break; + } + /* + case SPAttr::UNITS: { + // Only used in "Custom size" section of Document Properties dialog + Inkscape::Util::Unit const *new_unit = nullptr; + + if (value) { + Inkscape::Util::Unit const *const req_unit = unit_table.getUnit(value); + if ( !unit_table.hasUnit(value) ) { + g_warning("Unrecognized unit `%s'", value); + / * fixme: Document errors should be reported in the status bar or + * the like (e.g. as per + * http://www.w3.org/TR/SVG11/implnote.html#ErrorProcessing); g_log + * should be only for programmer errors. * / + } else if ( req_unit->isAbsolute() ) { + new_unit = req_unit; + } else { + g_warning("Document units must be absolute like `mm', `pt' or `px', but found `%s'", + value); + / * fixme: Don't use g_log (see above). * / + } + } + this->page_size_units = new_unit; + break; + } */ + default: + SPObjectGroup::set(key, value); + return; + } + + this->requestModified(SP_OBJECT_MODIFIED_FLAG); +} + +/** +* add a grid item from SVG-repr. Check if this namedview already has a gridobject for this one! If desktop=null, add grid-canvasitem to all desktops of this namedview, +* otherwise only add it to the specified desktop. +*/ +static Inkscape::CanvasGrid* +sp_namedview_add_grid(SPNamedView *nv, Inkscape::XML::Node *repr, SPDesktop *desktop) { + Inkscape::CanvasGrid* grid = nullptr; + //check if namedview already has an object for this grid + for(auto it : nv->grids) { + if (repr == it->repr) { + grid = it; + break; + } + } + + if (!grid) { + //create grid object + Inkscape::GridType gridtype = Inkscape::CanvasGrid::getGridTypeFromSVGName(repr->attribute("type")); + if (!nv->document) { + g_warning("sp_namedview_add_grid - how come doc is null here?!"); + return nullptr; + } + grid = Inkscape::CanvasGrid::NewGrid(nv, repr, nv->document, gridtype); + nv->grids.push_back(grid); + } + + if (!desktop) { + //add canvasitem to all desktops + for(auto view : nv->views) { + grid->createCanvasItem(view); + } + } else { + //add canvasitem only for specified desktop + grid->createCanvasItem(desktop); + } + + return grid; +} + +/** + * Update the visibility of the viewport space. This can look like a page + * if there's no multi-pages, or invisible if it shadows the first page. + */ +void SPNamedView::updateViewPort() +{ + auto box = document->preferredBounds(); + if (auto page = document->getPageManager().getPageAt(box->corner(0))) { + // An existing page is set as the main page, so hide th viewport canvas item. + _viewport->hide(); + page->setDesktopRect(*box); + } else { + // Otherwise we are showing the viewport item. + _viewport->show(); + _viewport->update(*box, nullptr, document->getPageManager().hasPages()); + } +} + +void SPNamedView::child_added(Inkscape::XML::Node *child, Inkscape::XML::Node *ref) { + SPObjectGroup::child_added(child, ref); + + SPObject *no = this->document->getObjectByRepr(child); + if (!no) + return; + + if (!strcmp(child->name(), "inkscape:grid")) { + sp_namedview_add_grid(this, child, nullptr); + } else if (!strcmp(child->name(), "inkscape:page")) { + if (auto page = dynamic_cast<SPPage *>(no)) { + document->getPageManager().addPage(page); + for (auto view : this->views) { + page->showPage(view->getCanvasPagesBg(), view->getCanvasPagesFg()); + } + } + } else { + if (auto g = dynamic_cast<SPGuide *>(no)) { + this->guides.push_back(g); + + //g_object_set(G_OBJECT(g), "color", this->guidecolor, "hicolor", this->guidehicolor, NULL); + g->setColor(this->guidecolor); + g->setHiColor(this->guidehicolor); + g->readAttr(SPAttr::INKSCAPE_COLOR); + + if (this->editable) { + for(auto view : this->views) { + g->SPGuide::showSPGuide(view->getCanvasGuides()); + + if (view->guides_active) { + g->sensitize(view->getCanvas(), TRUE); + } + + this->setShowGuideSingle(g); + } + } + } + } +} + +void SPNamedView::remove_child(Inkscape::XML::Node *child) { + if (!strcmp(child->name(), "inkscape:grid")) { + for(std::vector<Inkscape::CanvasGrid *>::iterator it=this->grids.begin();it!=this->grids.end();++it ) { + if ( (*it)->repr == child ) { + delete (*it); + this->grids.erase(it); + break; + } + } + } else if (!strcmp(child->name(), "inkscape:page")) { + document->getPageManager().removePage(child); + } else { + for(std::vector<SPGuide *>::iterator it=this->guides.begin();it!=this->guides.end();++it ) { + if ( (*it)->getRepr() == child ) { + this->guides.erase(it); + break; + } + } + } + + SPObjectGroup::remove_child(child); +} + +void SPNamedView::order_changed(Inkscape::XML::Node *child, Inkscape::XML::Node *old_repr, + Inkscape::XML::Node *new_repr) +{ + SPObjectGroup::order_changed(child, old_repr, new_repr); + if (!strcmp(child->name(), "inkscape:page")) { + document->getPageManager().reorderPage(child); + } +} + +Inkscape::XML::Node* SPNamedView::write(Inkscape::XML::Document *xml_doc, Inkscape::XML::Node *repr, guint flags) { + if ( ( flags & SP_OBJECT_WRITE_EXT ) && + repr != this->getRepr() ) + { + if (repr) { + repr->mergeFrom(this->getRepr(), "id"); + } else { + repr = this->getRepr()->duplicate(xml_doc); + } + } + + return repr; +} + +void SPNamedView::show(SPDesktop *desktop) +{ + + for(auto guide : this->guides) { + guide->showSPGuide( desktop->getCanvasGuides() ); + + if (desktop->guides_active) { + guide->sensitize(desktop->getCanvas(), TRUE); + } + this->setShowGuideSingle(guide); + } + + auto box = document->preferredBounds(); + _viewport->add(*box, desktop->getCanvasPagesBg(), desktop->getCanvasPagesFg()); + document->getPageManager().setDefaultAttributes(_viewport); + updateViewPort(); + + for (auto page : document->getPageManager().getPages()) { + page->showPage(desktop->getCanvasPagesBg(), desktop->getCanvasPagesFg()); + } + + views.push_back(desktop); + + // generate grids specified in SVG: + Inkscape::XML::Node *repr = this->getRepr(); + if (repr) { + for (Inkscape::XML::Node * child = repr->firstChild() ; child != nullptr; child = child->next() ) { + if (!strcmp(child->name(), "inkscape:grid")) { + sp_namedview_add_grid(this, child, desktop); + } + } + } + + desktop->showGrids(grids_visible, false); +} + +/* + * Restores window geometry from the document settings or defaults in prefs + */ +void sp_namedview_window_from_document(SPDesktop *desktop) +{ + SPNamedView *nv = desktop->namedview; + Inkscape::Preferences *prefs = Inkscape::Preferences::get(); + int window_geometry = prefs->getInt("/options/savewindowgeometry/value", PREFS_WINDOW_GEOMETRY_NONE); + int default_size = prefs->getInt("/options/defaultwindowsize/value", PREFS_WINDOW_SIZE_NATURAL); + bool new_document = (nv->window_width <= 0) || (nv->window_height <= 0); + + // restore window size and position stored with the document + Gtk::Window *win = desktop->getToplevel(); + g_assert(win); + + if (window_geometry == PREFS_WINDOW_GEOMETRY_LAST) { + gint pw = prefs->getInt("/desktop/geometry/width", -1); + gint ph = prefs->getInt("/desktop/geometry/height", -1); + gint px = prefs->getInt("/desktop/geometry/x", -1); + gint py = prefs->getInt("/desktop/geometry/y", -1); + gint full = prefs->getBool("/desktop/geometry/fullscreen"); + gint maxed = prefs->getBool("/desktop/geometry/maximized"); + if (pw>0 && ph>0) { + + Gdk::Rectangle monitor_geometry = Inkscape::UI::get_monitor_geometry_at_point(px, py); + pw = std::min(pw, monitor_geometry.get_width()); + ph = std::min(ph, monitor_geometry.get_height()); + desktop->setWindowSize(pw, ph); + desktop->setWindowPosition(Geom::Point(px, py)); + } + if (maxed) { + win->maximize(); + } + if (full) { + win->fullscreen(); + } + } else if ((window_geometry == PREFS_WINDOW_GEOMETRY_FILE && nv->window_maximized) || + (new_document && (default_size == PREFS_WINDOW_SIZE_MAXIMIZED))) { + win->maximize(); + } else { + const int MIN_WINDOW_SIZE = 600; + + int w = prefs->getInt("/template/base/inkscape:window-width", 0); + int h = prefs->getInt("/template/base/inkscape:window-height", 0); + bool move_to_screen = false; + if (window_geometry == PREFS_WINDOW_GEOMETRY_FILE && !new_document) { + Gdk::Rectangle monitor_geometry = Inkscape::UI::get_monitor_geometry_at_point(nv->window_x, nv->window_y); + w = MIN(monitor_geometry.get_width(), nv->window_width); + h = MIN(monitor_geometry.get_height(), nv->window_height); + move_to_screen = true; + } else if (default_size == PREFS_WINDOW_SIZE_LARGE) { + Gdk::Rectangle monitor_geometry = Inkscape::UI::get_monitor_geometry_at_window(win->get_window()); + w = MAX(0.75 * monitor_geometry.get_width(), MIN_WINDOW_SIZE); + h = MAX(0.75 * monitor_geometry.get_height(), MIN_WINDOW_SIZE); + } else if (default_size == PREFS_WINDOW_SIZE_SMALL) { + w = h = MIN_WINDOW_SIZE; + } else if (default_size == PREFS_WINDOW_SIZE_NATURAL) { + // don't set size (i.e. keep the gtk+ default, which will be the natural size) + // unless gtk+ decided it would be a good idea to show a window that is larger than the screen + Gdk::Rectangle monitor_geometry = Inkscape::UI::get_monitor_geometry_at_window(win->get_window()); + int monitor_width = monitor_geometry.get_width(); + int monitor_height = monitor_geometry.get_height(); + int window_width, window_height; + win->get_size(window_width, window_height); + if (window_width > monitor_width || window_height > monitor_height) { + w = std::min(monitor_width, window_width); + h = std::min(monitor_height, window_height); + } + } + if ((w > 0) && (h > 0)) { + desktop->setWindowSize(w, h); + if (move_to_screen) { + desktop->setWindowPosition(Geom::Point(nv->window_x, nv->window_y)); + } + } + } + + // Cancel any history of transforms up to this point (must be before call to zoom). + desktop->clear_transform_history(); +} + +/* + * Restores zoom and view from the document settings + */ +void sp_namedview_zoom_and_view_from_document(SPDesktop *desktop) +{ + SPNamedView *nv = desktop->namedview; + if (nv->zoom != 0 && nv->zoom != HUGE_VAL && !std::isnan(nv->zoom) + && nv->cx != HUGE_VAL && !std::isnan(nv->cx) + && nv->cy != HUGE_VAL && !std::isnan(nv->cy)) { + desktop->zoom_absolute( Geom::Point(nv->cx, nv->cy), nv->zoom, false ); + } else if (auto document = desktop->getDocument()) { + // document without saved zoom, zoom to its page + document->getPageManager().zoomToSelectedPage(desktop); + } + if (nv->rotation != 0 && nv->rotation != HUGE_VAL && !std::isnan(nv->rotation)) { + Geom::Point p; + if (nv->cx != HUGE_VAL && !std::isnan(nv->cx) && nv->cy != HUGE_VAL && !std::isnan(nv->cy)) { + p = Geom::Point(nv->cx, nv->cy); + }else{ + p = desktop->current_center(); + } + desktop->rotate_absolute_keep_point(p, nv->rotation * M_PI / 180.0); + } +} + +void SPNamedView::writeNewGrid(SPDocument *document,int gridtype) +{ + g_assert(this->getRepr() != nullptr); + Inkscape::CanvasGrid::writeNewGridToRepr(this->getRepr(),document,static_cast<Inkscape::GridType>(gridtype)); +} + +void sp_namedview_update_layers_from_document (SPDesktop *desktop) +{ + SPObject *layer = nullptr; + SPDocument *document = desktop->doc(); + SPNamedView *nv = desktop->namedview; + if ( nv->default_layer_id != 0 ) { + layer = document->getObjectById(g_quark_to_string(nv->default_layer_id)); + } + // don't use that object if it's not at least group + if ( !layer || !SP_IS_GROUP(layer) ) { + layer = nullptr; + } + // if that didn't work out, look for the topmost layer + if (!layer) { + for (auto& iter: document->getRoot()->children) { + if (desktop->layerManager().isLayer(&iter)) { + layer = &iter; + } + } + } + if (layer) { + desktop->layerManager().setCurrentLayer(layer); + } + + // FIXME: find a better place to do this + document->get_event_log()->updateUndoVerbs(); +} + +void sp_namedview_document_from_window(SPDesktop *desktop) +{ + Inkscape::Preferences *prefs = Inkscape::Preferences::get(); + int window_geometry = prefs->getInt("/options/savewindowgeometry/value", PREFS_WINDOW_GEOMETRY_NONE); + bool save_geometry_in_file = window_geometry == PREFS_WINDOW_GEOMETRY_FILE; + bool save_viewport_in_file = prefs->getBool("/options/savedocviewport/value", true); + Inkscape::XML::Node *view = desktop->namedview->getRepr(); + + // saving window geometry is not undoable + bool saved = DocumentUndo::getUndoSensitive(desktop->getDocument()); + DocumentUndo::setUndoSensitive(desktop->getDocument(), false); + + if (save_viewport_in_file) { + view->setAttributeSvgDouble("inkscape:zoom", desktop->current_zoom()); + double rotation = ::round(desktop->current_rotation() * 180.0 / M_PI); + view->setAttributeSvgNonDefaultDouble("inkscape:rotation", rotation, 0.0); + Geom::Point center = desktop->current_center(); + view->setAttributeSvgDouble("inkscape:cx", center.x()); + view->setAttributeSvgDouble("inkscape:cy", center.y()); + } + + if (save_geometry_in_file) { + gint w, h, x, y; + desktop->getWindowGeometry(x, y, w, h); + view->setAttributeInt("inkscape:window-width", w); + view->setAttributeInt("inkscape:window-height", h); + view->setAttributeInt("inkscape:window-x", x); + view->setAttributeInt("inkscape:window-y", y); + view->setAttributeInt("inkscape:window-maximized", desktop->is_maximized()); + } + + view->setAttribute("inkscape:current-layer", desktop->layerManager().currentLayer()->getId()); + + // restore undoability + DocumentUndo::setUndoSensitive(desktop->getDocument(), saved); +} + +void SPNamedView::hide(SPDesktop const *desktop) +{ + g_assert(desktop != nullptr); + g_assert(std::find(views.begin(),views.end(),desktop)!=views.end()); + for(auto & guide : this->guides) { + guide->hideSPGuide(desktop->getCanvas()); + } + _viewport->remove(desktop->getCanvas()); + for (auto &page : document->getPageManager().getPages()) { + page->hidePage(desktop->getCanvas()); + } + views.erase(std::remove(views.begin(),views.end(),desktop),views.end()); +} + +/** + * Set an attribute in the named view to the value in this preference, or use the fallback. + * + * @param attribute - The svg namedview attribute to set. + * @param preference - The preference to find the value from (optional) + * @param fallback - The fallback to use if preference not set or not found. (optional) + */ +void SPNamedView::setDefaultAttribute(std::string attribute, std::string preference, std::string fallback) +{ + if (!getAttribute(attribute.c_str())) { + std::string value = ""; + if (!preference.empty()) { + Inkscape::Preferences *prefs = Inkscape::Preferences::get(); + value = prefs->getString(preference); + } + if (value.empty() && !fallback.empty()) { + value = fallback; + } + if (!value.empty()) { + setAttribute(attribute, value); + } + } +} + +void SPNamedView::activateGuides(void* desktop, bool active) +{ + g_assert(desktop != nullptr); + g_assert(std::find(views.begin(),views.end(),desktop)!=views.end()); + + SPDesktop *dt = static_cast<SPDesktop*>(desktop); + for(auto & guide : this->guides) { + guide->sensitize(dt->getCanvas(), active); + } +} + +void sp_namedview_show_grids(SPNamedView * namedview, bool show, bool dirty_document) +{ + namedview->grids_visible = show; + + SPDocument *doc = namedview->document; + Inkscape::XML::Node *repr = namedview->getRepr(); + + bool saved = DocumentUndo::getUndoSensitive(doc); + DocumentUndo::setUndoSensitive(doc, false); + repr->setAttributeBoolean("showgrid", namedview->grids_visible); + DocumentUndo::setUndoSensitive(doc, saved); + + /* we don't want the document to get dirty on startup; that's when + we call this function with dirty_document = false */ + if (dirty_document) { + doc->setModifiedSinceSave(); + } +} + +gchar const *SPNamedView::getName() const +{ + return this->getAttribute("id"); +} + +std::vector<SPDesktop *> const SPNamedView::getViewList() const +{ + return views; +} + +void SPNamedView::toggleShowGuides() +{ + setShowGuides(!getShowGuides()); +} + +void SPNamedView::toggleLockGuides() +{ + setLockGuides(!getLockGuides()); +} + +void SPNamedView::setShowGuides(bool v) +{ + if (auto repr = getRepr()) { + bool saved = DocumentUndo::getUndoSensitive(document); + DocumentUndo::setUndoSensitive(document, false); + + repr->setAttributeBoolean("showguides", v); + + DocumentUndo::setUndoSensitive(document, saved); + requestModified(SP_OBJECT_MODIFIED_FLAG); + } +} + +void SPNamedView::setLockGuides(bool v) +{ + if (auto repr = getRepr()) { + bool saved = DocumentUndo::getUndoSensitive(document); + DocumentUndo::setUndoSensitive(document, false); + + repr->setAttributeBoolean("inkscape:lockguides", v); + + DocumentUndo::setUndoSensitive(document, saved); + requestModified(SP_OBJECT_MODIFIED_FLAG); + } +} + +void SPNamedView::setShowGuideSingle(SPGuide *guide) +{ + if (getShowGuides()) + guide->showSPGuide(); + else + guide->hideSPGuide(); +} + +bool SPNamedView::getShowGuides() +{ + if (auto repr = getRepr()) { + // show guides if not specified, for backwards compatibility + return repr->getAttributeBoolean("showguides", true); + } + + return false; +} + +bool SPNamedView::getLockGuides() +{ + if (auto repr = getRepr()) { + return repr->getAttributeBoolean("inkscape:lockguides"); + } + + return false; +} + +void SPNamedView::updateGuides() +{ + if (auto saction = Glib::RefPtr<Gio::SimpleAction>::cast_dynamic( + document->getActionGroup()->lookup_action("show-all-guides"))) { + + saction->change_state(getShowGuides()); + } + + if (auto saction = Glib::RefPtr<Gio::SimpleAction>::cast_dynamic( + document->getActionGroup()->lookup_action("lock-all-guides"))) { + + saction->change_state(getLockGuides()); + } + + for (SPGuide *guide : guides) { + setShowGuideSingle(guide); + guide->set_locked(this->getLockGuides(), true); + } +} + +/** + * Gets page fitting margin information from the namedview node in the XML. + * \param nv_repr reference to this document's namedview + * \param key + * \param margin_units units for the margin + * \param return_units units to return the result in + * \param width width in px (for percentage margins) + * \param height height in px (for percentage margins) + * \param use_width true if the this key is left or right margins, false + * otherwise. Used for percentage margins. + * \return the margin size in px, else 0.0 if anything is invalid. + */ +double SPNamedView::getMarginLength(gchar const * const key, + Inkscape::Util::Unit const * const margin_units, + Inkscape::Util::Unit const * const return_units, + double const width, + double const height, + bool const use_width) +{ + double value; + static Inkscape::Util::Unit const *percent = unit_table.getUnit("%"); + if(!this->storeAsDouble(key,&value)) { + return 0.0; + } + if (*margin_units == *percent) { + return (use_width)? width * value : height * value; + } + if (!margin_units->compatibleWith(return_units)) { + return 0.0; + } + return value; +} + +/** + * Returns namedview's default unit. + * If no default unit is set, "px" is returned + */ +Inkscape::Util::Unit const * SPNamedView::getDisplayUnit() const +{ + return display_units ? display_units : unit_table.getUnit("px"); +} + +/** + * Set the display unit to the given value. + */ +void SPNamedView::setDisplayUnit(std::string unit) +{ + setDisplayUnit(unit_table.getUnit(unit)); +} + +void SPNamedView::setDisplayUnit(Inkscape::Util::Unit const *unit) +{ + // If this is unset, it will be returned as px by getDisplayUnit + display_units = unit; + getRepr()->setAttributeOrRemoveIfEmpty("inkscape:document-units", + unit ? unit->abbr.c_str() : nullptr); +} + +/** + * Returns the first grid it could find that isEnabled(). Returns NULL, if none is enabled + */ +Inkscape::CanvasGrid * sp_namedview_get_first_enabled_grid(SPNamedView *namedview) +{ + for(auto grid : namedview->grids) { + if (grid->isEnabled()) + return grid; + } + + return nullptr; +} + +void SPNamedView::translateGuides(Geom::Translate const &tr) { + for(auto & it : this->guides) { + SPGuide &guide = *it; + Geom::Point point_on_line = guide.getPoint(); + point_on_line *= tr; + guide.moveto(point_on_line, true); + } +} + +void SPNamedView::translateGrids(Geom::Translate const &tr) { + for(auto & grid : this->grids) { + grid->setOrigin(grid->origin * tr); + } +} + +void SPNamedView::scrollAllDesktops(double dx, double dy, bool is_scrolling) { + for(auto & view : this->views) { + view->scroll_relative_in_svg_coords(dx, dy, is_scrolling); + } +} + +void SPNamedView::change_color(unsigned int rgba, SPAttr color_key, SPAttr opacity_key /*= SPAttr::INVALID*/) { + gchar buf[32]; + sp_svg_write_color(buf, sizeof(buf), rgba); + getRepr()->setAttribute(sp_attribute_name(color_key), buf); + + if (opacity_key != SPAttr::INVALID) { + getRepr()->setAttributeCssDouble(sp_attribute_name(opacity_key), (rgba & 0xff) / 255.0); + } +} + +void SPNamedView::change_bool_setting(SPAttr key, bool value) { + const char* str_value = nullptr; + if (key == SPAttr::SHAPE_RENDERING) { + str_value = value ? "auto" : "crispEdges"; + } + else { + str_value = value ? "true" : "false"; + } + getRepr()->setAttribute(sp_attribute_name(key), str_value); +} + +/* + 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 : |