176 lines
6.0 KiB
C++
176 lines
6.0 KiB
C++
#include "mainwindow.h"
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#include <gtkmm/menuitem.h>
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#include <gtkmm/image.h>
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#include <cmark-gfm.h>
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#include "md-parser.h"
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#ifdef LEGACY_CXX
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#include <experimental/filesystem>
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namespace n_fs = ::std::experimental::filesystem;
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#else
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#include <filesystem>
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namespace n_fs = ::std::filesystem;
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#endif
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MainWindow::MainWindow()
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: m_vbox(Gtk::ORIENTATION_VERTICAL, 0),
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m_hbox_bar(Gtk::ORIENTATION_HORIZONTAL, 0),
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requestPath(""),
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finalRequestPath(""),
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currentContent("")
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{
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set_title("DBrowser");
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set_default_size(1000, 800);
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set_position(Gtk::WIN_POS_CENTER);
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// Connect signals
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m_menu.quit.connect(sigc::mem_fun(this, &MainWindow::hide)); /*!< hide main window and therefor closes the app */
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m_menu.reload.connect(sigc::mem_fun(this, &MainWindow::refresh)); /*!< Menu item for reloading the page */
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m_menu.source_code.connect(sigc::mem_fun(this, &MainWindow::show_source_code_dialog)); /*!< Source code dialog */
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m_sourceCodeDialog.signal_response().connect(sigc::mem_fun(m_sourceCodeDialog, &SourceCodeDialog::hide_dialog)); /*!< Close source code dialog */
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m_menu.about.connect(sigc::mem_fun(m_about, &About::show_about)); /*!< Display about dialog */
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m_refreshButton.signal_clicked().connect(sigc::mem_fun(this, &MainWindow::refresh)); /*!< Button for reloading the page */
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m_homeButton.signal_clicked().connect(sigc::mem_fun(this, &MainWindow::go_home)); /*!< Button for home page */
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m_inputField.signal_activate().connect(sigc::mem_fun(this, &MainWindow::input_activate)); /*!< User pressed enter in the input */
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m_vbox.pack_start(m_menu, false, false, 0);
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// Horizontal bar
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auto styleBack = m_backButton.get_style_context();
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styleBack->add_class("circular");
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auto styleForward = m_forwardButton.get_style_context();
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styleForward->add_class("circular");
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auto styleRefresh = m_refreshButton.get_style_context();
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styleRefresh->add_class("circular");
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m_backButton.set_relief(Gtk::RELIEF_NONE);
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m_forwardButton.set_relief(Gtk::RELIEF_NONE);
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m_refreshButton.set_relief(Gtk::RELIEF_NONE);
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m_homeButton.set_relief(Gtk::RELIEF_NONE);
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// Add icons to buttons
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backIcon.set_from_icon_name("go-previous", Gtk::IconSize(Gtk::ICON_SIZE_MENU));
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m_backButton.add(backIcon);
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forwardIcon.set_from_icon_name("go-next", Gtk::IconSize(Gtk::ICON_SIZE_MENU));
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m_forwardButton.add(forwardIcon);
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refreshIcon.set_from_icon_name("view-refresh", Gtk::IconSize(Gtk::ICON_SIZE_MENU));
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m_refreshButton.add(refreshIcon);
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homeIcon.set_from_icon_name("go-home", Gtk::IconSize(Gtk::ICON_SIZE_MENU));
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m_homeButton.add(homeIcon);
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m_hbox_bar.pack_start(m_backButton, false, false , 0);
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m_hbox_bar.pack_start(m_forwardButton, false, false , 0);
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m_hbox_bar.pack_start(m_refreshButton, false, false , 0);
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m_hbox_bar.pack_start(m_homeButton, false, false , 0);
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m_hbox_bar.pack_start(m_inputField, true, true , 8);
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m_vbox.pack_start(m_hbox_bar, false, false, 6);
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// Main browser rendering area
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m_scrolledWindow.add(m_renderArea);
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m_scrolledWindow.set_policy(Gtk::POLICY_AUTOMATIC, Gtk::POLICY_AUTOMATIC);
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m_vbox.pack_end(m_scrolledWindow, true, true, 0);
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add(m_vbox);
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show_all_children();
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// Grap focus to input field by default
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m_inputField.grab_focus();
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// Show start page by default
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go_home();
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}
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void MainWindow::go_home()
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{
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this->requestPath = "";
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this->finalRequestPath = "";
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this->currentContent = "";
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this->m_inputField.set_text("");
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m_renderArea.showStartPage();
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}
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void MainWindow::input_activate()
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{
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// doRequest("QmQzhn6hEfbYdCfwzYFsSt3eWpubVKA1dNqsgUwci5vHwq");
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doRequest(m_inputField.get_text());
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}
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void MainWindow::doRequest(const std::string &path)
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{
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currentContent = "";
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if (!path.empty()) {
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requestPath = path;
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}
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if (requestPath.empty()) {
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std::cerr << "Info: Empty request path." << std::endl;
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} else {
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// Check if CID
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if (requestPath.rfind("ipfs://", 0) == 0) {
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finalRequestPath = requestPath;
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finalRequestPath.erase(0, 7);
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fetchFromIPFS();
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} else if((requestPath.length() == 46) && (requestPath.rfind("Qm", 0) == 0)) {
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// CIDv0
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finalRequestPath = requestPath;
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fetchFromIPFS();
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} else if (requestPath.rfind("file://", 0) == 0) {
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finalRequestPath = requestPath;
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finalRequestPath.erase(0, 7);
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openFromDisk();
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} else {
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// IPFS as fallback / CIDv1
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finalRequestPath = requestPath;
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fetchFromIPFS();
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}
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}
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}
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/**
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* Refresh page
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*/
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void MainWindow::refresh()
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{
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doRequest();
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}
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/**
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* Display markdown file from IPFS network
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*/
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void MainWindow::fetchFromIPFS()
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{
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// TODO: In a seperate thread/process?
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// Since otherwise this may block the UI.
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try {
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currentContent = m_file.fetch(finalRequestPath);
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cmark_node* doc = Parser::parseContent(currentContent);
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m_renderArea.processDocument(doc);
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cmark_node_free(doc);
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} catch (const std::runtime_error &error) {
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std::cerr << "Error: IPFS Deamon is most likely down: " << error.what() << std::endl;
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// Not found (or any other issue)
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m_renderArea.showMessage("Page not found!", "Detailed error message: " + std::string(error.what()));
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}
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}
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/**
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* Display markdown file from disk
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*/
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void MainWindow::openFromDisk()
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{
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// std::string exePath = n_fs::current_path().string();
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// std::string filePath = exePath.append("/../../test.md");
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try {
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currentContent = m_file.read(finalRequestPath);
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cmark_node *doc = Parser::parseContent(currentContent);
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m_renderArea.processDocument(doc);
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cmark_node_free(doc);
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} catch (const std::runtime_error &error) {
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m_renderArea.showMessage("Page not found!", "Detailed error message: " + std::string(error.what()));
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}
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}
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void MainWindow::show_source_code_dialog()
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{
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m_sourceCodeDialog.setText(currentContent);
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m_sourceCodeDialog.run();
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} |