C++ source, ASCII text
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#include "gpanthera.hh"
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#include <iostream>
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#include <utility>
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#include <gtk/gtk.h>
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namespace gPanthera {
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DockablePane::DockablePane(std::shared_ptr<LayoutManager> layout, Gtk::Widget &child, const Glib::ustring &name, const Glib::ustring &label, Gtk::Image *icon, DockStack *stack, Gtk::Widget *custom_header)
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: Gtk::Box(Gtk::ORIENTATION_VERTICAL, 0), name(name) {
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if(icon) {
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this->icon = icon;
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}
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if(stack) {
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this->stack = stack;
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}
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this->layout = std::move(layout);
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this->label.set_text(label);
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header = std::make_unique<Gtk::HeaderBar>();
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header->set_show_close_button(false);
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if(custom_header) {
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header->set_custom_title(*custom_header);
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} else {
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header->set_custom_title(this->label);
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}
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auto header_menu_button = Gtk::make_managed<Gtk::MenuButton>();
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auto header_menu = Gtk::make_managed<Gtk::Menu>();
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header_menu_button->set_direction(Gtk::ARROW_NONE);
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header_menu_button->set_popup(*header_menu);
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auto close_menu_item = Gtk::make_managed<Gtk::MenuItem>("Close");
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auto pop_out_menu_item = Gtk::make_managed<Gtk::MenuItem>("Pop out");
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auto move_menu = Gtk::make_managed<Gtk::Menu>();
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close_menu_item->signal_activate().connect([this]() {
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if(this->stack) {
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this->stack->set_visible_child("empty");
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}
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});
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pop_out_menu_item->signal_activate().connect([this]() {
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if(this->stack) {
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this->pop_out();
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}
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});
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for(auto &this_stack: this->layout->stacks) {
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auto menu_item = Gtk::make_managed<Gtk::MenuItem>(this_stack->name);
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menu_item->signal_activate().connect([this, this_stack]() {
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this_stack->add_pane(*this);
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});
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move_menu->append(*menu_item);
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}
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auto move_menu_item = Gtk::make_managed<Gtk::MenuItem>("Move");
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move_menu_item->set_submenu(*move_menu);
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header_menu->append(*close_menu_item);
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header_menu->append(*pop_out_menu_item);
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header_menu->append(*move_menu_item);
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header_menu->show_all();
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header->pack_end(*header_menu_button);
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this->pack_start(*header, Gtk::PACK_SHRINK);
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this->child = &child;
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this->pack_end(child, Gtk::PACK_EXPAND_WIDGET);
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show_all_children();
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}
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void DockablePane::redock(DockStack *stack) {
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if(this->window != nullptr) {
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this->window->hide();
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gtk_window_set_titlebar(GTK_WINDOW(this->window->gobj()), nullptr);
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// TODO: Why is it changing style?
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this->header->unset_background_color();
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this->window->remove();
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this->window->set_decorated(false);
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this->window->close();
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delete this->window;
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this->window = nullptr;
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this->pack_start(*this->header, Gtk::PACK_SHRINK);
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this->header->show_all();
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}
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this->stack = stack;
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this->stack->add(*this, this->get_identifier());
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this->show_all();
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}
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void DockablePane::pop_out() {
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if(this->stack != nullptr) {
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this->stack->remove(*this);
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this->stack = nullptr;
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}
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if(this->window == nullptr) {
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this->remove(*this->header);
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this->window = new DockWindow(this);
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this->window->set_titlebar(*this->header);
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this->window->show_all();
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}
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}
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Glib::ustring DockablePane::get_identifier() const {
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return name;
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}
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Gtk::Image *DockablePane::get_icon() const {
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return icon;
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}
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Gtk::Widget *DockablePane::get_child() const {
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return child;
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}
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Gtk::Label *DockablePane::get_label() {
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return &label;
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}
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LayoutManager::LayoutManager() : Glib::ObjectBase("LayoutManager") {
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}
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void LayoutManager::add_pane(DockablePane *pane) {
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panes.push_back(pane);
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}
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void LayoutManager::add_stack(DockStack *stack) {
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stacks.push_back(stack);
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}
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DockStack::DockStack(std::shared_ptr<LayoutManager> layout, const Glib::ustring &name) : Gtk::Stack(), layout(layout), name(name) {
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auto *empty_child = Gtk::make_managed<Gtk::Box>(Gtk::ORIENTATION_VERTICAL, 0);
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add(*empty_child, "empty");
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// Add the stack to a layout manager
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this->layout->add_stack(this);
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}
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DockWindow::DockWindow(DockablePane *pane) {
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this->pane = pane;
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this->add(*pane);
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}
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DockStackSwitcher::DockStackSwitcher(DockStack *stack) : Gtk::ButtonBox(Gtk::ORIENTATION_HORIZONTAL), stack(stack) {
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this->stack->signal_add().connect([this](Gtk::Widget *child) {
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this->update_buttons();
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});
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this->stack->signal_remove().connect([this](Gtk::Widget *child) {
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this->update_buttons();
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});
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}
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void DockStackSwitcher::update_buttons() {
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for(auto &child: get_children()) {
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if(child) {
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remove(*child);
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}
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}
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for(auto const &widget : stack->get_children()) {
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if(auto pane = dynamic_cast<DockablePane*>(widget)) {
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auto *button = Gtk::make_managed<Gtk::Button>();
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if(pane->get_icon()) {
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button->set_image(*pane->get_icon());
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}
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button->signal_clicked().connect([this, pane]() {
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if(stack->get_visible_child_name() == pane->get_identifier()) {
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stack->set_visible_child("empty");
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} else {
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stack->set_visible_child(pane->get_identifier());
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}
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});
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if(pane->get_identifier() != Glib::ustring("empty")) {
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pack_start(*button);
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}
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}
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}
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this->show_all();
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}
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void DockStack::add_pane(DockablePane &child) {
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child.redock(this);
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}
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} // namespace gPanthera
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