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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:24:48 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:24:48 +0000
commitcca66b9ec4e494c1d919bff0f71a820d8afab1fa (patch)
tree146f39ded1c938019e1ed42d30923c2ac9e86789 /src/ui/dialog/dialog-notebook.cpp
parentInitial commit. (diff)
downloadinkscape-upstream.tar.xz
inkscape-upstream.zip
Adding upstream version 1.2.2.upstream/1.2.2upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r--src/ui/dialog/dialog-notebook.cpp994
1 files changed, 994 insertions, 0 deletions
diff --git a/src/ui/dialog/dialog-notebook.cpp b/src/ui/dialog/dialog-notebook.cpp
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--- /dev/null
+++ b/src/ui/dialog/dialog-notebook.cpp
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+// SPDX-License-Identifier: GPL-2.0-or-later
+
+/** @file
+ * @brief A wrapper for Gtk::Notebook.
+ *
+ * Authors: see git history
+ * Tavmjong Bah
+ *
+ * Copyright (c) 2018 Tavmjong Bah, Authors
+ *
+ * Released under GNU GPL v2+, read the file 'COPYING' for more information.
+ */
+
+#include "dialog-notebook.h"
+
+#include <vector>
+#include <glibmm/i18n.h>
+#include <gtkmm/eventbox.h>
+#include <gtkmm/scrollbar.h>
+#include <gtkmm/separatormenuitem.h>
+#include <gtkmm/menu.h>
+
+#include "enums.h"
+#include "inkscape.h"
+#include "inkscape-window.h"
+#include "ui/dialog/dialog-base.h"
+#include "ui/dialog/dialog-data.h"
+#include "ui/dialog/dialog-container.h"
+#include "ui/dialog/dialog-multipaned.h"
+#include "ui/dialog/dialog-window.h"
+#include "ui/icon-loader.h"
+#include "ui/util.h"
+
+namespace Inkscape {
+namespace UI {
+namespace Dialog {
+
+std::list<DialogNotebook *> DialogNotebook::_instances;
+
+/**
+ * DialogNotebook constructor.
+ *
+ * @param container the parent DialogContainer of the notebook.
+ */
+DialogNotebook::DialogNotebook(DialogContainer *container)
+ : Gtk::ScrolledWindow()
+ , _container(container)
+ , _labels_auto(true)
+ , _detaching_duplicate(false)
+ , _selected_page(nullptr)
+ , _label_visible(true)
+{
+ set_name("DialogNotebook");
+ set_policy(Gtk::POLICY_NEVER, Gtk::POLICY_NEVER);
+ set_shadow_type(Gtk::SHADOW_NONE);
+ set_vexpand(true);
+ set_hexpand(true);
+
+ // =========== Getting preferences ==========
+ Inkscape::Preferences *prefs = Inkscape::Preferences::get();
+ if (prefs == nullptr) {
+ return;
+ }
+ gint labelstautus = prefs->getInt("/options/notebooklabels/value", PREFS_NOTEBOOK_LABELS_AUTO);
+ _labels_auto = labelstautus == PREFS_NOTEBOOK_LABELS_AUTO;
+ _labels_off = labelstautus == PREFS_NOTEBOOK_LABELS_OFF;
+
+ // ============= Notebook menu ==============
+ _notebook.set_name("DockedDialogNotebook");
+ _notebook.set_show_border(false);
+ _notebook.set_group_name("InkscapeDialogGroup");
+ _notebook.set_scrollable(true);
+
+ Gtk::MenuItem *new_menu_item = nullptr;
+
+ int row = 0;
+ // Close tab
+ new_menu_item = Gtk::manage(new Gtk::MenuItem(_("Close Current Tab")));
+ _conn.emplace_back(
+ new_menu_item->signal_activate().connect(sigc::mem_fun(*this, &DialogNotebook::close_tab_callback)));
+ _menu.attach(*new_menu_item, 0, 2, row, row + 1);
+ row++;
+
+ // Close notebook
+ new_menu_item = Gtk::manage(new Gtk::MenuItem(_("Close Panel")));
+ _conn.emplace_back(
+ new_menu_item->signal_activate().connect(sigc::mem_fun(*this, &DialogNotebook::close_notebook_callback)));
+ _menu.attach(*new_menu_item, 0, 2, row, row + 1);
+ row++;
+
+ // Move to new window
+ new_menu_item = Gtk::manage(new Gtk::MenuItem(_("Move Tab to New Window")));
+ _conn.emplace_back(
+ new_menu_item->signal_activate().connect([=]() { pop_tab_callback(); }));
+ _menu.attach(*new_menu_item, 0, 2, row, row + 1);
+ row++;
+
+ // Separator menu item
+ // new_menu_item = Gtk::manage(new Gtk::SeparatorMenuItem());
+ // _menu.attach(*new_menu_item, 0, 2, row, row + 1);
+ // row++;
+
+ struct Dialog {
+ Glib::ustring key;
+ Glib::ustring label;
+ Glib::ustring order;
+ Glib::ustring icon_name;
+ DialogData::Category category;
+ ScrollProvider provide_scroll;
+ };
+ std::vector<Dialog> all_dialogs;
+ auto const &dialog_data = get_dialog_data();
+ all_dialogs.reserve(dialog_data.size());
+ for (auto&& kv : dialog_data) {
+ const auto& key = kv.first;
+ const auto& data = kv.second;
+ if (data.category == DialogData::Other) {
+ continue;
+ }
+ // for sorting dialogs alphabetically, remove '_' (used for accelerators)
+ Glib::ustring order = data.label; // Already translated
+ auto underscore = order.find('_');
+ if (underscore != Glib::ustring::npos) {
+ order = order.erase(underscore, 1);
+ }
+ all_dialogs.emplace_back(Dialog {
+ .key = key,
+ .label = data.label,
+ .order = order,
+ .icon_name = data.icon_name,
+ .category = data.category,
+ .provide_scroll = data.provide_scroll
+ });
+ }
+ // sort by categories and then by names
+ std::sort(all_dialogs.begin(), all_dialogs.end(), [](const Dialog& a, const Dialog& b){
+ if (a.category != b.category) return a.category < b.category;
+ return a.order < b.order;
+ });
+
+ int col = 0;
+ DialogData::Category category = DialogData::Other;
+ for (auto&& data : all_dialogs) {
+ if (data.category != category) {
+ if (col > 0) row++;
+
+ auto separator = Gtk::make_managed<Gtk::SeparatorMenuItem>();
+ _menu.attach(*separator, 0, 2, row, row + 1);
+ row++;
+
+ category = data.category;
+ auto sep = Gtk::make_managed<Gtk::MenuItem>();
+ sep->set_label(Glib::ustring(gettext(dialog_categories[category])).uppercase());
+ sep->get_style_context()->add_class("menu-category");
+ sep->set_sensitive(false);
+ _menu.attach(*sep, 0, 2, row, row + 1);
+ col = 0;
+ row++;
+ }
+ auto key = data.key;
+ auto dlg = Gtk::make_managed<Gtk::MenuItem>();
+ auto box = Gtk::make_managed<Gtk::Box>(Gtk::ORIENTATION_HORIZONTAL, 8);
+ box->pack_start(*Gtk::make_managed<Gtk::Image>(data.icon_name, Gtk::ICON_SIZE_MENU), false, true);
+ box->pack_start(*Gtk::make_managed<Gtk::Label>(data.label, Gtk::ALIGN_START, Gtk::ALIGN_CENTER, true), false, true);
+ dlg->add(*box);
+ dlg->signal_activate().connect([=](){
+ // get desktop's container, it may be different than current '_container'!
+ if (auto desktop = SP_ACTIVE_DESKTOP) {
+ if (auto container = desktop->getContainer()) {
+ container->new_dialog(key);
+ }
+ }
+ });
+ _menu.attach(*dlg, col, col + 1, row, row + 1);
+ col++;
+ if (col > 1) {
+ col = 0;
+ row++;
+ }
+ }
+ if (prefs->getBool("/theme/symbolicIcons", true)) {
+ _menu.get_style_context()->add_class("symbolic");
+ }
+
+ _menu.show_all_children();
+
+ Gtk::Button* menubtn = Gtk::manage(new Gtk::Button());
+ menubtn->set_image_from_icon_name("go-down-symbolic");
+ menubtn->signal_clicked().connect([=](){ _menu.popup_at_widget(menubtn, Gdk::GRAVITY_SOUTH, Gdk::GRAVITY_NORTH, nullptr); });
+ _notebook.set_action_widget(menubtn, Gtk::PACK_END);
+ menubtn->show();
+ menubtn->set_relief(Gtk::RELIEF_NORMAL);
+ menubtn->set_valign(Gtk::ALIGN_CENTER);
+ menubtn->set_halign(Gtk::ALIGN_CENTER);
+ menubtn->set_can_focus(false);
+ menubtn->set_name("DialogMenuButton");
+
+ // =============== Signals ==================
+ _conn.emplace_back(signal_size_allocate().connect(sigc::mem_fun(*this, &DialogNotebook::on_size_allocate_scroll)));
+ _conn.emplace_back(_notebook.signal_drag_begin().connect(sigc::mem_fun(*this, &DialogNotebook::on_drag_begin)));
+ _conn.emplace_back(_notebook.signal_drag_end().connect(sigc::mem_fun(*this, &DialogNotebook::on_drag_end)));
+ _conn.emplace_back(_notebook.signal_page_added().connect(sigc::mem_fun(*this, &DialogNotebook::on_page_added)));
+ _conn.emplace_back(_notebook.signal_page_removed().connect(sigc::mem_fun(*this, &DialogNotebook::on_page_removed)));
+ _conn.emplace_back(_notebook.signal_switch_page().connect(sigc::mem_fun(*this, &DialogNotebook::on_page_switch)));
+
+ // ============= Finish setup ===============
+ _reload_context = true;
+ add(_notebook);
+ show_all();
+
+ _instances.push_back(this);
+}
+
+DialogNotebook::~DialogNotebook()
+{
+ // disconnect signals first, so no handlers are invoked when removing pages
+ for_each(_conn.begin(), _conn.end(), [&](auto c) { c.disconnect(); });
+ for_each(_connmenu.begin(), _connmenu.end(), [&](auto c) { c.disconnect(); });
+ for_each(_tab_connections.begin(), _tab_connections.end(), [&](auto it) { it.second.disconnect(); });
+
+ // Unlink and remove pages
+ for (int i = _notebook.get_n_pages(); i >= 0; --i) {
+ DialogBase *dialog = dynamic_cast<DialogBase *>(_notebook.get_nth_page(i));
+ _container->unlink_dialog(dialog);
+ _notebook.remove_page(i);
+ }
+
+ _conn.clear();
+ _connmenu.clear();
+ _tab_connections.clear();
+
+ _instances.remove(this);
+}
+
+void DialogNotebook::add_highlight_header()
+{
+ const auto &style = _notebook.get_style_context();
+ style->add_class("nb-highlight");
+}
+
+void DialogNotebook::remove_highlight_header()
+{
+ const auto &style = _notebook.get_style_context();
+ style->remove_class("nb-highlight");
+}
+
+/**
+ * get provide scroll
+ */
+bool
+DialogNotebook::provide_scroll(Gtk::Widget &page) {
+ auto const &dialog_data = get_dialog_data();
+ auto dialogbase = dynamic_cast<DialogBase*>(&page);
+ if (dialogbase) {
+ auto data = dialog_data.find(dialogbase->get_type());
+ if ((*data).second.provide_scroll == ScrollProvider::PROVIDE) {
+ return true;
+ }
+ }
+ return false;
+}
+
+/**
+ * Set provide scroll
+ */
+Gtk::ScrolledWindow *
+DialogNotebook::get_current_scrolledwindow(bool skip_scroll_provider) {
+
+ gint pagenum = _notebook.get_current_page();
+ Gtk::Widget *page = _notebook.get_nth_page(pagenum);
+ if (page) {
+ if (skip_scroll_provider && provide_scroll(*page)) {
+ return nullptr;
+ }
+ auto container = dynamic_cast<Gtk::Container *>(page);
+ if (container) {
+ std::vector<Gtk::Widget *> widgs = container->get_children();
+ if (widgs.size()) {
+ auto scrolledwindow = dynamic_cast<Gtk::ScrolledWindow *>(widgs[0]);
+ if (scrolledwindow) {
+ return scrolledwindow;
+ }
+ }
+ }
+ }
+ return nullptr;
+}
+
+/**
+ * Adds a widget as a new page with a tab.
+ */
+void DialogNotebook::add_page(Gtk::Widget &page, Gtk::Widget &tab, Glib::ustring)
+{
+ _reload_context = true;
+ page.set_vexpand();
+
+ auto container = dynamic_cast<Gtk::Box *>(&page);
+ if (container) {
+ auto *wrapper = Gtk::manage(new Gtk::ScrolledWindow());
+ wrapper->set_vexpand(true);
+ wrapper->set_propagate_natural_height(true);
+ wrapper->set_valign(Gtk::ALIGN_FILL);
+ wrapper->set_overlay_scrolling(false);
+ wrapper->set_can_focus(false);
+ wrapper->get_style_context()->add_class("noborder");
+ auto *wrapperbox = Gtk::manage(new Gtk::Box(Gtk::ORIENTATION_VERTICAL,0));
+ wrapperbox->set_valign(Gtk::ALIGN_FILL);
+ wrapperbox->set_vexpand(true);
+ std::vector<Gtk::Widget *> widgs = container->get_children();
+ for (auto widg : widgs) {
+ bool expand = container->child_property_expand(*widg);
+ bool fill = container->child_property_fill(*widg);
+ guint padding = container->child_property_expand(*widg);
+ Gtk::PackType pack_type = container->child_property_pack_type(*widg);
+ container->remove(*widg);
+ if (pack_type == Gtk::PACK_START) {
+ wrapperbox->pack_start(*widg, expand, fill, padding);
+ } else {
+ wrapperbox->pack_end (*widg, expand, fill, padding);
+ }
+ }
+ wrapper->add(*wrapperbox);
+ container->add(*wrapper);
+ if (provide_scroll(page)) {
+ wrapper->set_policy(Gtk::POLICY_NEVER, Gtk::POLICY_EXTERNAL);
+ } else {
+ wrapper->set_policy(Gtk::POLICY_NEVER, Gtk::POLICY_AUTOMATIC);
+ }
+ }
+
+ int page_number = _notebook.append_page(page, tab);
+ _notebook.set_tab_reorderable(page);
+ _notebook.set_tab_detachable(page);
+ _notebook.show_all();
+ _notebook.set_current_page(page_number);
+}
+
+/**
+ * Moves a page from a different notebook to this one.
+ */
+void DialogNotebook::move_page(Gtk::Widget &page)
+{
+ // Find old notebook
+ Gtk::Notebook *old_notebook = dynamic_cast<Gtk::Notebook *>(page.get_parent());
+ if (!old_notebook) {
+ std::cerr << "DialogNotebook::move_page: page not in notebook!" << std::endl;
+ return;
+ }
+
+ Gtk::Widget *tab = old_notebook->get_tab_label(page);
+ Glib::ustring text = old_notebook->get_menu_label_text(page);
+
+ // Keep references until re-attachment
+ tab->reference();
+ page.reference();
+
+ old_notebook->detach_tab(page);
+ _notebook.append_page(page, *tab);
+ // Remove unnecessary references
+ tab->unreference();
+ page.unreference();
+
+ // Set default settings for a new page
+ _notebook.set_tab_reorderable(page);
+ _notebook.set_tab_detachable(page);
+ _notebook.show_all();
+ _reload_context = true;
+}
+
+// ============ Notebook callbacks ==============
+
+/**
+ * Callback to close the current active tab.
+ */
+void DialogNotebook::close_tab_callback()
+{
+ int page_number = _notebook.get_current_page();
+
+ if (_selected_page) {
+ page_number = _notebook.page_num(*_selected_page);
+ _selected_page = nullptr;
+ }
+
+ if (dynamic_cast<DialogBase*>(_notebook.get_nth_page(page_number))) {
+ // is this a dialog in a floating window?
+ if (auto window = dynamic_cast<DialogWindow*>(_container->get_toplevel())) {
+ // store state of floating dialog before it gets deleted
+ DialogManager::singleton().store_state(*window);
+ }
+ }
+
+ // Remove page from notebook
+ _notebook.remove_page(page_number);
+
+ // Delete the signal connection
+ remove_close_tab_callback(_selected_page);
+
+ if (_notebook.get_n_pages() == 0) {
+ close_notebook_callback();
+ return;
+ }
+
+ // Update tab labels by comparing the sum of their widths to the allocation
+ Gtk::Allocation allocation = get_allocation();
+ on_size_allocate_scroll(allocation);
+ _reload_context = true;
+}
+
+/**
+ * Shutdown callback - delete the parent DialogMultipaned before destructing.
+ */
+void DialogNotebook::close_notebook_callback()
+{
+ // Search for DialogMultipaned
+ DialogMultipaned *multipaned = dynamic_cast<DialogMultipaned *>(get_parent());
+ if (multipaned) {
+ multipaned->remove(*this);
+ } else if (get_parent()) {
+ std::cerr << "DialogNotebook::close_notebook_callback: Unexpected parent!" << std::endl;
+ get_parent()->remove(*this);
+ }
+ delete this;
+}
+
+/**
+ * Callback to move the current active tab.
+ */
+DialogWindow* DialogNotebook::pop_tab_callback()
+{
+ // Find page.
+ Gtk::Widget *page = _notebook.get_nth_page(_notebook.get_current_page());
+
+ if (_selected_page) {
+ page = _selected_page;
+ _selected_page = nullptr;
+ }
+
+ if (!page) {
+ std::cerr << "DialogNotebook::pop_tab_callback: page not found!" << std::endl;
+ return nullptr;
+ }
+
+ // Move page to notebook in new dialog window (attached to active InkscapeWindow).
+ auto inkscape_window = _container->get_inkscape_window();
+ auto window = new DialogWindow(inkscape_window, page);
+ window->show_all();
+
+ if (_notebook.get_n_pages() == 0) {
+ close_notebook_callback();
+ return window;
+ }
+
+ // Update tab labels by comparing the sum of their widths to the allocation
+ Gtk::Allocation allocation = get_allocation();
+ on_size_allocate_scroll(allocation);
+
+ return window;
+}
+
+// ========= Signal handlers - notebook =========
+
+/**
+ * Signal handler to pop a dragged tab into its own DialogWindow.
+ *
+ * A failed drag means that the page was not dropped on an existing notebook.
+ * Thus create a new window with notebook to move page to.
+ *
+ * BUG: this has inconsistent behavior on Wayland.
+ */
+void DialogNotebook::on_drag_end(const Glib::RefPtr<Gdk::DragContext> &context)
+{
+ // Remove dropzone highlights
+ MyDropZone::remove_highlight_instances();
+ for (auto instance : _instances) {
+ instance->remove_highlight_header();
+ }
+
+ bool set_floating = !context->get_dest_window();
+ if (!set_floating && context->get_dest_window()->get_window_type() == Gdk::WINDOW_FOREIGN) {
+ set_floating = true;
+ }
+
+ if (set_floating) {
+ Gtk::Widget *source = Gtk::Widget::drag_get_source_widget(context);
+
+ // Find source notebook and page
+ Gtk::Notebook *old_notebook = dynamic_cast<Gtk::Notebook *>(source);
+ if (!old_notebook) {
+ std::cerr << "DialogNotebook::on_drag_end: notebook not found!" << std::endl;
+ } else {
+ // Find page
+ Gtk::Widget *page = old_notebook->get_nth_page(old_notebook->get_current_page());
+ if (page) {
+ // Move page to notebook in new dialog window
+
+ auto inkscape_window = _container->get_inkscape_window();
+ auto window = new DialogWindow(inkscape_window, page);
+
+ // Move window to mouse pointer
+ if (auto device = context->get_device()) {
+ int x = 0, y = 0;
+ device->get_position(x, y);
+ window->move(std::max(0, x - 50), std::max(0, y - 50));
+ }
+
+ window->show_all();
+ }
+ }
+ }
+
+ // Closes the notebook if empty.
+ if (_notebook.get_n_pages() == 0) {
+ close_notebook_callback();
+ return;
+ }
+
+ // Update tab labels by comparing the sum of their widths to the allocation
+ Gtk::Allocation allocation = get_allocation();
+ on_size_allocate_scroll(allocation);
+}
+
+void DialogNotebook::on_drag_begin(const Glib::RefPtr<Gdk::DragContext> &context)
+{
+ MyDropZone::add_highlight_instances();
+ for (auto instance : _instances) {
+ instance->add_highlight_header();
+ }
+}
+
+/**
+ * Signal handler to update dialog list when adding a page.
+ */
+void DialogNotebook::on_page_added(Gtk::Widget *page, int page_num)
+{
+ DialogBase *dialog = dynamic_cast<DialogBase *>(page);
+
+ // Does current container/window already have such a dialog?
+ if (dialog && _container->has_dialog_of_type(dialog)) {
+ // We already have a dialog of the same type
+
+ // Highlight first dialog
+ DialogBase *other_dialog = _container->get_dialog(dialog->get_type());
+ other_dialog->blink();
+
+ // Remove page from notebook
+ _detaching_duplicate = true; // HACK: prevent removing the initial dialog of the same type
+ _notebook.detach_tab(*page);
+ return;
+ } else if (dialog) {
+ // We don't have a dialog of this type
+
+ // Add to dialog list
+ _container->link_dialog(dialog);
+ } else {
+ // This is not a dialog
+ return;
+ }
+
+ // add close tab signal
+ add_close_tab_callback(page);
+
+ // Switch tab labels if needed
+ if (!_labels_auto) {
+ toggle_tab_labels_callback(false);
+ }
+
+ // Update tab labels by comparing the sum of their widths to the allocation
+ Gtk::Allocation allocation = get_allocation();
+ on_size_allocate_scroll(allocation);
+}
+
+/**
+ * Signal handler to update dialog list when removing a page.
+ */
+void DialogNotebook::on_page_removed(Gtk::Widget *page, int page_num)
+{
+ /**
+ * When adding a dialog in a notebooks header zone of the same type as an existing one,
+ * we remove it immediately, which triggers a call to this method. We use `_detaching_duplicate`
+ * to prevent reemoving the initial dialog.
+ */
+ if (_detaching_duplicate) {
+ _detaching_duplicate = false;
+ return;
+ }
+
+ // Remove from dialog list
+ DialogBase *dialog = dynamic_cast<DialogBase *>(page);
+ if (dialog) {
+ _container->unlink_dialog(dialog);
+ }
+
+ // remove old close tab signal
+ remove_close_tab_callback(page);
+}
+
+/**
+ * We need to remove the scrollbar to snap a whole DialogNotebook to width 0.
+ *
+ */
+void DialogNotebook::on_size_allocate_scroll(Gtk::Allocation &a)
+{
+ // magic number
+ const int MIN_HEIGHT = 60;
+ // set or unset scrollbars to completely hide a notebook
+ // because we have a "blocking" scroll per tab we need to loop to aboid
+ // other page stop out scroll
+ for (auto const &page : _notebook.get_children()) {
+ auto *container = dynamic_cast<Gtk::Container *>(page);
+ if (container && !provide_scroll(*page)) {
+ std::vector<Gtk::Widget *> widgs = container->get_children();
+ if (widgs.size()) {
+ auto scrolledwindow = dynamic_cast<Gtk::ScrolledWindow *>(widgs[0]);
+ if (scrolledwindow) {
+ double height = scrolledwindow->get_allocation().get_height();
+ if (height > 1) {
+ Gtk::PolicyType policy = scrolledwindow->property_vscrollbar_policy().get_value();
+ if (height >= MIN_HEIGHT && policy != Gtk::POLICY_AUTOMATIC) {
+ scrolledwindow->property_vscrollbar_policy().set_value(Gtk::POLICY_AUTOMATIC);
+ } else if(height < MIN_HEIGHT && policy != Gtk::POLICY_EXTERNAL) {
+ scrolledwindow->property_vscrollbar_policy().set_value(Gtk::POLICY_EXTERNAL);
+ } else {
+ // we don't need to update; break
+ break;
+ }
+ }
+ }
+ }
+ }
+ }
+
+
+ set_allocation(a);
+ // only update notebook tabs on horizontal changes
+ if (a.get_width() != _prev_alloc_width) {
+ on_size_allocate_notebook(a);
+ }
+}
+
+/**
+ * This function hides the tab labels if necessary (and _labels_auto == true)
+ */
+void DialogNotebook::on_size_allocate_notebook(Gtk::Allocation &a)
+{
+
+ // we unset scrollable when FULL mode on to prevent overflow with
+ // container at full size that makes an unmaximized desktop freeze
+ _notebook.set_scrollable(false);
+ if (!_labels_set_off && !_labels_auto) {
+ toggle_tab_labels_callback(false);
+ }
+ if (!_labels_auto) {
+ return;
+ }
+
+ int alloc_width = get_allocation().get_width();
+ // Don't update on closed dialog container, prevent console errors
+ if (alloc_width < 2) {
+ _notebook.set_scrollable(true);
+ return;
+ }
+ int nat_width = 0;
+ int initial_width = 0;
+ int total_width = 0;
+ _notebook.get_preferred_width(initial_width, nat_width); // get current notebook allocation
+ for (auto const &page : _notebook.get_children()) {
+ Gtk::EventBox *cover = dynamic_cast<Gtk::EventBox *>(_notebook.get_tab_label(*page));
+ if (!cover) {
+ continue;
+ }
+ cover->show_all();
+ }
+ _notebook.get_preferred_width(total_width, nat_width); // get full notebook allocation (all open)
+ prev_tabstatus = tabstatus;
+ if (_single_tab_width != _none_tab_width &&
+ (_none_tab_width && _none_tab_width > alloc_width ||
+ (_single_tab_width > alloc_width && _single_tab_width < total_width)))
+ {
+ tabstatus = TabsStatus::NONE;
+ if (_single_tab_width != initial_width || prev_tabstatus == TabsStatus::NONE) {
+ _none_tab_width = initial_width;
+ }
+ } else {
+ tabstatus = (alloc_width <= total_width) ? TabsStatus::SINGLE : TabsStatus::ALL;
+ if (total_width != initial_width &&
+ prev_tabstatus == TabsStatus::SINGLE &&
+ tabstatus == TabsStatus::SINGLE)
+ {
+ _single_tab_width = initial_width;
+ }
+ }
+ if ((_single_tab_width && !_none_tab_width) ||
+ (_single_tab_width && _single_tab_width == _none_tab_width))
+ {
+ _none_tab_width = _single_tab_width - 1;
+ }
+
+ /*
+ std::cout << "::::::::::tabstatus::" << (int)tabstatus << std::endl;
+ std::cout << ":::::prev_tabstatus::" << (int)prev_tabstatus << std::endl;
+ std::cout << "::::::::alloc_width::" << alloc_width << std::endl;
+ std::cout << "::_prev_alloc_width::" << _prev_alloc_width << std::endl;
+ std::cout << "::::::initial_width::" << initial_width << std::endl;
+ std::cout << "::::::::::nat_width::" << nat_width << std::endl;
+ std::cout << "::::::::total_width::" << total_width << std::endl;
+ std::cout << "::::_none_tab_width::" << _none_tab_width << std::endl;
+ std::cout << "::_single_tab_width::" << _single_tab_width << std::endl;
+ std::cout << ":::::::::::::::::::::" << std::endl;
+ */
+
+ _prev_alloc_width = alloc_width;
+ bool show = tabstatus == TabsStatus::ALL;
+ toggle_tab_labels_callback(show);
+}
+
+/**
+ * Signal handler to close a tab when middle-clicking.
+ */
+bool DialogNotebook::on_tab_click_event(GdkEventButton *event, Gtk::Widget *page)
+{
+ if (event->type == GDK_BUTTON_PRESS) {
+ if (event->button == 2) { // Close tab
+ _selected_page = page;
+ close_tab_callback();
+ } else if (event->button == 3) { // Show menu
+ _selected_page = page;
+ reload_tab_menu();
+ _menutabs.popup_at_pointer((GdkEvent *)event);
+ }
+ }
+
+ return false;
+}
+
+void DialogNotebook::on_close_button_click_event(Gtk::Widget *page)
+{
+ _selected_page = page;
+ close_tab_callback();
+}
+
+// ================== Helpers ===================
+
+/**
+ * Reload tab menu
+ */
+void DialogNotebook::reload_tab_menu()
+{
+ if (_reload_context) {
+ _reload_context = false;
+ Gtk::MenuItem* menuitem = nullptr;
+ for_each(_connmenu.begin(), _connmenu.end(), [&](auto c) { c.disconnect(); });
+ _connmenu.clear();
+ for (auto widget : _menutabs.get_children()) {
+ delete widget;
+ }
+ auto prefs = Inkscape::Preferences::get();
+ bool symbolic = false;
+ if (prefs->getBool("/theme/symbolicIcons", false)) {
+ symbolic = true;
+ }
+
+ for (auto const &page : _notebook.get_children()) {
+ Gtk::EventBox *cover = dynamic_cast<Gtk::EventBox *>(_notebook.get_tab_label(*page));
+ if (!cover) {
+ continue;
+ }
+
+ Gtk::Box *box = dynamic_cast<Gtk::Box *>(cover->get_child());
+
+ if (!box) {
+ continue;
+ }
+ auto childs = box->get_children();
+ if (childs.size() < 2) {
+ continue;
+ }
+ // Create a box to hold icon and label as Gtk::MenuItem derives from GtkBin and can
+ // only hold one child
+ Gtk::Box *boxmenu = Gtk::manage(new Gtk::Box(Gtk::ORIENTATION_HORIZONTAL));
+ boxmenu->set_halign(Gtk::ALIGN_START);
+ menuitem = Gtk::manage(new Gtk::MenuItem());
+ menuitem->add(*boxmenu);
+
+ Gtk::Label *label = dynamic_cast<Gtk::Label *>(childs[1]);
+ Gtk::Label *labelto = Gtk::manage(new Gtk::Label(label->get_text()));
+
+ Gtk::Image *icon = dynamic_cast<Gtk::Image *>(childs[0]);
+ if (icon) {
+ int min_width, nat_width;
+ icon->get_preferred_width(min_width, nat_width);
+ _icon_width = min_width;
+ auto name = icon->get_icon_name();
+ if (!name.empty()) {
+ if (symbolic && name.find("-symbolic") == Glib::ustring::npos) {
+ name += Glib::ustring("-symbolic");
+ }
+ Gtk::Image *iconend = sp_get_icon_image(name, Gtk::ICON_SIZE_MENU);
+ boxmenu->pack_start(*iconend, false, false, 0);
+ }
+ }
+ boxmenu->pack_start(*labelto, true, true, 0);
+ size_t pagenum = _notebook.page_num(*page);
+ _connmenu.emplace_back(
+ menuitem->signal_activate().connect(sigc::bind(sigc::mem_fun(*this, &DialogNotebook::change_page),pagenum)));
+
+ _menutabs.append(*Gtk::manage(menuitem));
+ }
+ }
+ _menutabs.show_all();
+}
+/**
+ * Callback to toggle all tab labels to the selected state.
+ * @param show: whether you want the labels to show or not
+ */
+void DialogNotebook::toggle_tab_labels_callback(bool show)
+{
+ _label_visible = show;
+ for (auto const &page : _notebook.get_children()) {
+ Gtk::EventBox *cover = dynamic_cast<Gtk::EventBox *>(_notebook.get_tab_label(*page));
+ if (!cover) {
+ continue;
+ }
+
+ Gtk::Box *box = dynamic_cast<Gtk::Box *>(cover->get_child());
+ if (!box) {
+ continue;
+ }
+
+ Gtk::Label *label = dynamic_cast<Gtk::Label *>(box->get_children()[1]);
+ Gtk::Button *close = dynamic_cast<Gtk::Button *>(*box->get_children().rbegin());
+ int n = _notebook.get_current_page();
+ if (close && label) {
+ if (page != _notebook.get_nth_page(n)) {
+ show ? close->show() : close->hide();
+ show ? label->show() : label->hide();
+ } else if (tabstatus == TabsStatus::NONE || _labels_off) {
+ if (page != _notebook.get_nth_page(n)) {
+ close->hide();
+ } else {
+ close->show();
+ }
+ label->hide();
+ } else {
+ close->show();
+ label->show();
+ }
+ }
+ }
+ _labels_set_off = _labels_off;
+ if (_prev_alloc_width && prev_tabstatus != tabstatus ) {
+ resize_widget_children(&_notebook);
+ }
+ if (show && _single_tab_width) {
+ _notebook.set_scrollable(true);
+ }
+}
+
+void DialogNotebook::on_page_switch(Gtk::Widget *curr_page, guint)
+{
+ if (auto container = dynamic_cast<Gtk::Container *>(curr_page)) {
+ container->show_all_children();
+ }
+ for (auto const &page : _notebook.get_children()) {
+ auto dialogbase = dynamic_cast<DialogBase*>(page);
+ if (dialogbase) {
+ std::vector<Gtk::Widget *> widgs = dialogbase->get_children();
+ if (widgs.size()) {
+ if (curr_page == page) {
+ widgs[0]->show_now();
+ } else {
+ widgs[0]->hide();
+ }
+ }
+ if (_prev_alloc_width) {
+ dialogbase->setShowing(curr_page == page);
+ }
+ }
+ if (_label_visible) {
+ continue;
+ }
+ Gtk::EventBox *cover = dynamic_cast<Gtk::EventBox *>(_notebook.get_tab_label(*page));
+ if (!cover) {
+ continue;
+ }
+
+ if (cover == dynamic_cast<Gtk::EventBox *>(_notebook.get_tab_label(*curr_page))) {
+ Gtk::Box *box = dynamic_cast<Gtk::Box *>(cover->get_child());
+ Gtk::Label *label = dynamic_cast<Gtk::Label *>(box->get_children()[1]);
+ Gtk::Button *close = dynamic_cast<Gtk::Button *>(*box->get_children().rbegin());
+
+ if (label) {
+ if (tabstatus == TabsStatus::NONE) {
+ label->hide();
+ } else {
+ label->show();
+ }
+ }
+
+ if (close) {
+ if (tabstatus == TabsStatus::NONE && curr_page != page) {
+ close->hide();
+ } else {
+ close->show();
+ }
+ }
+ continue;
+ }
+
+ Gtk::Box *box = dynamic_cast<Gtk::Box *>(cover->get_child());
+ if (!box) {
+ continue;
+ }
+
+ Gtk::Label *label = dynamic_cast<Gtk::Label *>(box->get_children()[1]);
+ Gtk::Button *close = dynamic_cast<Gtk::Button *>(*box->get_children().rbegin());
+
+
+ close->hide();
+ label->hide();
+ }
+ if (_prev_alloc_width) {
+ if (!_label_visible) {
+ queue_allocate();
+ }
+ auto window = dynamic_cast<DialogWindow*>(_container->get_toplevel());
+ if (window) {
+ resize_widget_children(window->get_container());
+ } else {
+ if (auto desktop = SP_ACTIVE_DESKTOP) {
+ if (auto container = desktop->getContainer()) {
+ resize_widget_children(container);
+ }
+ }
+ }
+ }
+}
+
+/**
+ * Helper method that change the page
+ */
+void DialogNotebook::change_page(size_t pagenum)
+{
+ _notebook.set_current_page(pagenum);
+}
+
+/**
+ * Helper method that adds the close tab signal connection for the page given.
+ */
+void DialogNotebook::add_close_tab_callback(Gtk::Widget *page)
+{
+ Gtk::Widget *tab = _notebook.get_tab_label(*page);
+ auto *eventbox = static_cast<Gtk::EventBox *>(tab);
+ auto *box = static_cast<Gtk::Box *>(*eventbox->get_children().begin());
+ auto children = box->get_children();
+ auto *close = static_cast<Gtk::Button *>(*children.crbegin());
+
+ sigc::connection close_connection = close->signal_clicked().connect(
+ sigc::bind<Gtk::Widget *>(sigc::mem_fun(*this, &DialogNotebook::on_close_button_click_event), page), true);
+
+ sigc::connection tab_connection = tab->signal_button_press_event().connect(
+ sigc::bind<Gtk::Widget *>(sigc::mem_fun(*this, &DialogNotebook::on_tab_click_event), page), true);
+
+ _tab_connections.insert(std::pair<Gtk::Widget *, sigc::connection>(page, tab_connection));
+ _tab_connections.insert(std::pair<Gtk::Widget *, sigc::connection>(page, close_connection));
+}
+
+/**
+ * Helper method that removes the close tab signal connection for the page given.
+ */
+void DialogNotebook::remove_close_tab_callback(Gtk::Widget *page)
+{
+ auto tab_connection_it = _tab_connections.find(page);
+
+ while (tab_connection_it != _tab_connections.end()) {
+ (*tab_connection_it).second.disconnect();
+ _tab_connections.erase(tab_connection_it);
+ tab_connection_it = _tab_connections.find(page);
+ }
+}
+
+} // 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:fileencoding=utf-8:textwidth=99 :