From d6456e4357a1d2f1480f4ac14e1e00ddba2644b4 Mon Sep 17 00:00:00 2001 From: NunoSempere Date: Thu, 14 Mar 2024 15:47:36 -0300 Subject: cleanup & change binary name to rosenrot --- rosenrot.c | 454 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 454 insertions(+) create mode 100644 rosenrot.c (limited to 'rosenrot.c') diff --git a/rosenrot.c b/rosenrot.c new file mode 100644 index 0000000..34a74ad --- /dev/null +++ b/rosenrot.c @@ -0,0 +1,454 @@ +#include +#include +#include + +#include "config.h" +#include "plugins/plugins.h" + +/* Global declarations */ +static GtkNotebook* notebook; +static GtkWindow* window; +static struct { + GtkHeaderBar* widget; + GtkEntry* line; + GtkEntryBuffer* line_text; + enum { _SEARCH, + _FIND, + _HIDDEN } entry_mode; +} bar; +static int num_tabs = 0; + +/* Utils */ +WebKitWebView* notebook_get_webview(GtkNotebook* notebook) +{ + return WEBKIT_WEB_VIEW(gtk_notebook_get_nth_page( + notebook, gtk_notebook_get_current_page(notebook))); +} + +/* Load content*/ +void load_uri(WebKitWebView* view, const char* uri) +{ + if (g_str_has_prefix(uri, "http://") || g_str_has_prefix(uri, "https://") || g_str_has_prefix(uri, "file://") || g_str_has_prefix(uri, "about:")) { + webkit_web_view_load_uri(view, uri); + } else { + // Check for shortcuts + int l = SHORTCUT_N + strlen(uri) + 1; + char uri_expanded[l]; + str_init(uri_expanded, l); + int check = shortcut_expand(uri, uri_expanded); + if (check == 2) { + webkit_web_view_load_uri(view, uri_expanded); + } else { + // Feed into search engine. + char tmp[strlen(uri) + strlen(SEARCH)]; + snprintf(tmp, sizeof(tmp), SEARCH, uri); + webkit_web_view_load_uri(view, tmp); + } + } +} + +/* Deal with new load or changed load */ +void redirect_if_annoying(WebKitWebView* view, const char* uri) +{ + if (LIBRE_REDIRECT_ENABLED) { + int l = LIBRE_N + strlen(uri) + 1; + char uri_filtered[l]; + str_init(uri_filtered, l); + + int check = libre_redirect(uri, uri_filtered); + + if (check == 2) { + webkit_web_view_load_uri(view, uri_filtered); + } + } +} +void set_custom_style(WebKitWebView* view) +{ + if (CUSTOM_STYLE_ENABLED) { + char* style_js = malloc(STYLE_N + 1); + read_style_js(style_js); + webkit_web_view_evaluate_javascript(view, style_js, -1, NULL, "rosenrot-style-plugin", NULL, NULL, NULL); + free(style_js); + } +} +void handle_signal_load_changed(WebKitWebView* self, WebKitLoadEvent load_event, + GtkNotebook* notebook) +{ + switch (load_event) { + /* see + */ + case WEBKIT_LOAD_STARTED: + set_custom_style(self); + redirect_if_annoying(self, webkit_web_view_get_uri(self)); + break; + case WEBKIT_LOAD_REDIRECTED: + redirect_if_annoying(self, webkit_web_view_get_uri(self)); + break; + case WEBKIT_LOAD_COMMITTED: + redirect_if_annoying(self, webkit_web_view_get_uri(self)); + set_custom_style(self); + break; + case WEBKIT_LOAD_FINISHED: { + /* Add gtk tab title */ + const char* webpage_title = webkit_web_view_get_title(self); + const int max_length = 25; + char tab_title[max_length + 1]; + if (webpage_title != NULL) { + for (int i = 0; i < (max_length); i++) { + tab_title[i] = webpage_title[i]; + if (webpage_title[i] == '\0') { + break; + } + } + tab_title[max_length] = '\0'; + } + + gtk_notebook_set_tab_label_text(notebook, GTK_WIDGET(self), + webpage_title == NULL ? "—" : tab_title); + // gtk_widget_hide(GTK_WIDGET(bar)); + } + } +} + +/* Create new tabs */ +void notebook_create_new_tab(GtkNotebook* notebook, const char* uri); +// handle_signal_create_new_tab is bound to a signal inside notebook_create_new_tab +// and itself calls notebook_create_new_tab +// therefore we need to do a forward declaration for one of them. +GtkWidget* handle_signal_create_new_tab(WebKitWebView* self, + WebKitNavigationAction* navigation_action, + GtkNotebook* notebook) +{ + if (num_tabs < MAX_NUM_TABS || num_tabs == 0) { + WebKitURIRequest* uri_request = webkit_navigation_action_get_request(navigation_action); + const char* uri = webkit_uri_request_get_uri(uri_request); + printf("Creating new window: %s\n", uri); + notebook_create_new_tab(notebook, uri); + gtk_notebook_set_show_tabs(notebook, true); + return NULL; + } else { + webkit_web_view_evaluate_javascript(self, "alert('Too many tabs, not opening a new one')", -1, NULL, "rosenrot-alert-numtabs", NULL, NULL, NULL); + return NULL; + } + /* + WebKitGTK documentation recommends returning the new webview. + I imagine that this might allow e.g., to go back in a new tab + or generally to keep track of history. + However, this would require either modifying notebook_create_new_tab + or duplicating its contents, for unclear gain. + */ +} +WebKitWebView* create_new_webview() +{ + char* style; + WebKitSettings* settings; + WebKitWebContext* web_context; + WebKitCookieManager* cookiemanager; + WebKitUserContentManager* contentmanager; + + settings = webkit_settings_new_with_settings(WEBKIT_DEFAULT_SETTINGS, NULL); + if (CUSTOM_USER_AGENT) { + webkit_settings_set_user_agent( + settings, + "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, " + "like Gecko) Chrome/110.0.0.0 Safari/537.36"); + // See: for some common user agents + } + web_context = webkit_web_context_new_with_website_data_manager( + webkit_website_data_manager_new(DATA_MANAGER_OPTS, NULL)); + contentmanager = webkit_user_content_manager_new(); + cookiemanager = webkit_web_context_get_cookie_manager(web_context); + + webkit_cookie_manager_set_persistent_storage( + cookiemanager, DATA_DIR "/cookies.sqlite", + WEBKIT_COOKIE_PERSISTENT_STORAGE_SQLITE); + + webkit_cookie_manager_set_accept_policy(cookiemanager, + WEBKIT_COOKIE_POLICY_ACCEPT_ALWAYS); + + if (g_file_get_contents("~/.config/rose/style.css", &style, NULL, NULL)) + webkit_user_content_manager_add_style_sheet( + contentmanager, webkit_user_style_sheet_new(style, WEBKIT_USER_CONTENT_INJECT_ALL_FRAMES, WEBKIT_USER_STYLE_LEVEL_USER, NULL, NULL)); + + return g_object_new(WEBKIT_TYPE_WEB_VIEW, "settings", settings, "web-context", + web_context, "user-content-manager", contentmanager, + NULL); +} +void notebook_create_new_tab(GtkNotebook* notebook, const char* uri) +{ + if (num_tabs < MAX_NUM_TABS || MAX_NUM_TABS == 0) { + + WebKitWebView* view = create_new_webview(); + + g_signal_connect(view, "load_changed", G_CALLBACK(handle_signal_load_changed), notebook); + g_signal_connect(view, "create", G_CALLBACK(handle_signal_create_new_tab), notebook); + + int n = gtk_notebook_append_page(notebook, GTK_WIDGET(view), NULL); + gtk_notebook_set_tab_reorderable(notebook, GTK_WIDGET(view), true); + gtk_widget_show_all(GTK_WIDGET(window)); + gtk_widget_hide(GTK_WIDGET(bar.widget)); + load_uri(view, (uri) ? uri : HOME); + + set_custom_style(view); + + gtk_notebook_set_current_page(notebook, n); + gtk_notebook_set_tab_label_text(notebook, GTK_WIDGET(view), "-"); + webkit_web_view_set_zoom_level(view, ZOOM); + num_tabs += 1; + } else { + + webkit_web_view_evaluate_javascript(notebook_get_webview(notebook), "alert('Too many tabs, not opening a new one')", -1, NULL, "rosenrot-alert-numtabs", NULL, NULL, NULL); + } +} + +/* Top bar */ +void show_bar(GtkNotebook* notebook) +{ + if (bar.entry_mode == _SEARCH) { + const char* url = webkit_web_view_get_uri(notebook_get_webview(notebook)); + gtk_entry_set_placeholder_text(bar.line, "Search"); + gtk_entry_buffer_set_text(bar.line_text, url, strlen(url)); + gtk_widget_show(GTK_WIDGET(bar.widget)); + gtk_window_set_focus(window, GTK_WIDGET(bar.line)); + } else if (bar.entry_mode == _HIDDEN) { + gtk_widget_hide(GTK_WIDGET(bar.widget)); + } else { + const char* search_text = webkit_find_controller_get_search_text( + webkit_web_view_get_find_controller(notebook_get_webview(notebook))); + + if (search_text != NULL) + gtk_entry_buffer_set_text(bar.line_text, search_text, strlen(search_text)); + + gtk_entry_set_placeholder_text(bar.line, "Find"); + gtk_widget_show(GTK_WIDGET(bar.widget)); + gtk_window_set_focus(window, GTK_WIDGET(bar.line)); + } +} +// Handle what happens when the user is on the bar and presses enter +void handle_signal_bar_press_enter(GtkEntry* self, GtkNotebook* notebook) +{ + if (bar.entry_mode == _SEARCH) + load_uri(notebook_get_webview(notebook), + gtk_entry_buffer_get_text(bar.line_text)); + else if (bar.entry_mode == _FIND) + webkit_find_controller_search( + webkit_web_view_get_find_controller(notebook_get_webview(notebook)), + gtk_entry_buffer_get_text(bar.line_text), + WEBKIT_FIND_OPTIONS_CASE_INSENSITIVE | WEBKIT_FIND_OPTIONS_WRAP_AROUND, + G_MAXUINT); + + gtk_widget_hide(GTK_WIDGET(bar.widget)); +} + +/* Handle shortcuts */ +// Act when a particular shortcut is detected +int handle_shortcut(func id, GtkNotebook* notebook) +{ + static double zoom = ZOOM; + static bool is_fullscreen = 0; + + WebKitWebView* view = notebook_get_webview(notebook); + + switch (id) { + case goback: + webkit_web_view_go_back(view); + break; + case goforward: + webkit_web_view_go_forward(view); + break; + + case refresh: + webkit_web_view_reload(view); + break; + case refresh_force: + webkit_web_view_reload_bypass_cache(view); + break; + + case back_to_home: + load_uri(view, HOME); + break; + + case zoomin: + webkit_web_view_set_zoom_level(view, + (zoom += ZOOM_VAL)); + break; + + case zoomout: + webkit_web_view_set_zoom_level(view, + (zoom -= ZOOM_VAL)); + break; + + case zoom_reset: + webkit_web_view_set_zoom_level(view, + (zoom = ZOOM)); + break; + + case prev_tab:; // declarations aren't statements + // + int n = gtk_notebook_get_n_pages(notebook); + int k = gtk_notebook_get_current_page(notebook); + int l = (n + k - 1) % n; + gtk_notebook_set_current_page(notebook, l); + break; + + case next_tab:; + int m = gtk_notebook_get_n_pages(notebook); + int i = gtk_notebook_get_current_page(notebook); + int j = (i + 1) % m; + gtk_notebook_set_current_page(notebook, j); + break; + + case close_tab: + gtk_notebook_remove_page(notebook, gtk_notebook_get_current_page(notebook)); + num_tabs -= 1; + + switch (gtk_notebook_get_n_pages(notebook)) { + case 0: + exit(0); + break; + case 1: + gtk_notebook_set_show_tabs(notebook, false); + break; + } + + break; + + case toggle_fullscreen: + if (is_fullscreen) + gtk_window_unfullscreen(window); + else + gtk_window_fullscreen(window); + + is_fullscreen = !is_fullscreen; + break; + + case show_searchbar: + bar.entry_mode = _SEARCH; + show_bar(notebook); + break; + + case show_finder: + bar.entry_mode = _FIND; + show_bar(notebook); + break; + + case finder_next: + webkit_find_controller_search_next( + webkit_web_view_get_find_controller(view)); + break; + + case finder_prev: + webkit_find_controller_search_previous( + webkit_web_view_get_find_controller(view)); + break; + + case new_tab: + notebook_create_new_tab(notebook, NULL); + gtk_notebook_set_show_tabs(notebook, true); + bar.entry_mode = _SEARCH; + show_bar(notebook); + break; + + case hide_bar: + bar.entry_mode = _HIDDEN; + show_bar(notebook); + break; + + case prettify: { + if (READABILITY_ENABLED) { + char* readability_js = malloc(READABILITY_N + 1); + read_readability_js(readability_js); + webkit_web_view_evaluate_javascript(view, readability_js, -1, NULL, "rosenrot-readability-plugin", NULL, NULL, NULL); + free(readability_js); + } + break; + } + } + + return 1; +} +// Listen to key presses and call shortcuts if needed. +int handle_signal_keypress(void* self, GdkEvent* event, GtkNotebook* notebook) +{ + (void)self; + + guint event_keyval = 0; + gdk_event_get_keyval(event, &event_keyval); + GdkModifierType event_state = 0; + gdk_event_get_state(event, &event_state); + + int debug_shortcuts = 0; + if (debug_shortcuts) { + printf("Keypress state: %d\n", event_state); + if (event_state & GDK_CONTROL_MASK) { + printf("Keypress state is: CONTROL\n"); + } + printf("Keypress value: %d\n", event_keyval); + } + + for (int i = 0; i < sizeof(shortcut) / sizeof(shortcut[0]); i++) + if ((event_state & shortcut[i].mod || shortcut[i].mod == 0x0) && event_keyval == shortcut[i].key) + return handle_shortcut(shortcut[i].id, notebook); + /* + If I wanted to bind button presses, like the extra button in the mouse, + I would have to bind the button-press-event signal instead. + Some links in case I go down that road: + - + - + - https://docs.gtk.org/gdk3/struct.EventButton.html + */ + // This API is deprecated in GTK4 :( + return 0; +} + +int main(int argc, char** argv) +{ + /* Initialize GTK in general */ + gtk_init(NULL, NULL); // + g_object_set(gtk_settings_get_default(), GTK_SETTINGS_CONFIG_H, NULL); // + GtkCssProvider* css = gtk_css_provider_new(); + gtk_css_provider_load_from_path(css, "/usr/share/themes/rose/style.css", NULL); + gtk_style_context_add_provider_for_screen(gdk_screen_get_default(), GTK_STYLE_PROVIDER(css), 800); + + /* Initialize GTK objects. These are declared as static globals at the top of this file */ + // Notebook + notebook = GTK_NOTEBOOK(gtk_notebook_new()); + gtk_notebook_set_show_tabs(notebook, false); + gtk_notebook_set_show_border(notebook, false); + + // Window + window = GTK_WINDOW(gtk_window_new(0)); + gtk_window_set_default_size(window, WIDTH, HEIGHT); + g_signal_connect(window, "key-press-event", G_CALLBACK(handle_signal_keypress), notebook); + g_signal_connect(window, "destroy", G_CALLBACK(exit), notebook); + gtk_container_add(GTK_CONTAINER(window), GTK_WIDGET(notebook)); + + // Bar + bar.line_text = GTK_ENTRY_BUFFER(gtk_entry_buffer_new("", 0)); + bar.line = GTK_ENTRY(gtk_entry_new_with_buffer(bar.line_text)); + gtk_entry_set_alignment(bar.line, 0.48); + gtk_widget_set_size_request(GTK_WIDGET(bar.line), BAR_SIZE, -1); + g_signal_connect(bar.line, "activate", G_CALLBACK(handle_signal_bar_press_enter), notebook); + + bar.widget = GTK_HEADER_BAR(gtk_header_bar_new()); + gtk_header_bar_set_custom_title(bar.widget, GTK_WIDGET(bar.line)); + gtk_window_set_titlebar(window, GTK_WIDGET(bar.widget)); + + /* Load first tab */ + char* first_uri = argc > 1 ? argv[1] : HOME; + notebook_create_new_tab(notebook, first_uri); + + /* Show to user */ + gtk_widget_show_all(GTK_WIDGET(window)); + gtk_widget_hide(GTK_WIDGET(bar.widget)); + + /* Deal with more tabs */ + if (argc > 2) { + gtk_notebook_set_show_tabs(notebook, true); + for (int i = 2; i < argc; i++) { + notebook_create_new_tab(notebook, argv[i]); + } + } + + gtk_main(); +} -- cgit v1.2.3