continue README, see how big is the file without comments

README.md

@@ -1,6 +1,12 @@
 # Rosenrot
 
-This branch contains a minimalist version of rosenrot, similar in many ways to the original version of rose.
+This branch contains a minimalist version of rosenrot
+
+- similar in many ways to the [original version of rose](https://github.com/mini-rose/rose-browser/tree/60173b6f5b562861b11dea17e3869ad6c3462bbb/src).
+- compilable with tcc
+- One c file, 390 lines (~356 excluding comments)
+- Still some minimal niceties: zoom
+
 
 # To do
 

makefile

@@ -1,5 +1,6 @@
 # C compiler
-CC=gcc # alternatives: tcc, clang, zig cc 
+# CC=gcc # alternatives: tcc, clang, zig cc 
+CC=tcc
 
 # Dependencies
 DEPS='webkit2gtk-4.1'
@@ -27,6 +28,10 @@ user_cache:
 install: rosenrot
 	cp -f rosenrot /usr/bin
 
+depsdebian:
+	sudo apt install tcc make
+	sudo apt install libwebkit2gtk-4.1-dev
+
 ## Additional niceties
 
 ### Formatter

rosenrot.c

@@ -180,7 +180,6 @@ WebKitWebView* create_new_webview()
     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);
 
     return g_object_new(WEBKIT_TYPE_WEB_VIEW, "settings", settings, "web-context", web_context, "user-content-manager", contentmanager, NULL);

rosenrot.nocomments.c

@@ -0,0 +1,356 @@
+#include <gdk/gdk.h>
+#include <stdlib.h>
+#include <string.h>
+#include <webkit2/webkit2.h>
+
+#define WIDTH 1920 
+#define HEIGHT 1080
+#define BAR_SIZE 1000
+#define SEARCH "https://lite.duckduckgo.com/html/?q=%s"
+#define HOME "https://lite.duckduckgo.com/html"
+#define ZOOM 1 /* Starting zoom level.*/
+#define ZOOM_VAL .1 /* Zooming value in zoomin/zoomout functions */
+#define MAX_NUM_TABS 8
+#define WEBKIT_DEFAULT_SETTINGS                                                 \
+    "enable-back-forward-navigation-gestures", 1, "enable-developer-extras", 1, \
+        "enable-smooth-scrolling", 0,                                           \
+        "default-charset", "utf-8"
+#define DATA_DIR "/home/nuno/.cache/rosenrot"
+#define DATA_MANAGER_OPTS "base-cache-directory", DATA_DIR, "base-data-directory", DATA_DIR
+#define GTK_SETTINGS_CONFIG_H "gtk-application-prefer-dark-theme", 0, "gtk-enable-animations", 0
+#define KEY(x) GDK_KEY_##x
+typedef enum {
+    goback,
+    goforward,
+    refresh,
+    refresh_force,
+    back_to_home,
+    toggle_fullscreen,
+    zoomin,
+    zoomout,
+    zoom_reset,
+    new_tab,
+    next_tab,
+    prev_tab,
+    close_tab,
+    show_searchbar,
+    show_finder,
+    finder_next,
+    finder_prev,
+    prettify,
+    hide_bar
+} func;
+
+#define SFT 1 << 0
+#define CTRL 1 << 2
+#define ALT 1 << 3
+
+static struct {
+    unsigned mod;
+    unsigned key;
+    func id;
+} shortcut[] = {
+    { CTRL, KEY(h), goback },
+    { CTRL, KEY(j), goforward },
+    { CTRL, KEY(r), refresh },
+    { CTRL, KEY(R), refresh_force },
+    { CTRL, KEY(H), back_to_home },
+    { CTRL, KEY(equal), zoomin },
+    { CTRL, KEY(minus), zoomout },
+    { CTRL, KEY(0), zoom_reset },
+    { CTRL, KEY(KP_Page_Up), prev_tab }, /* also try KEY(Page_Up) if this doesn't work on your machine */
+    { CTRL, KEY(KP_Page_Down), next_tab }, /* ditto for KEY(Page_Down) */
+    { CTRL, KEY(t), new_tab },
+    { CTRL, KEY(w), close_tab },
+    { 0x0, KEY(F11), toggle_fullscreen },
+    { CTRL, KEY(l), show_searchbar },
+    { CTRL, KEY(semicolon), hide_bar },
+    { CTRL, KEY(f), show_finder },
+    { CTRL, KEY(n), finder_next },
+    { CTRL, KEY(N), finder_prev },
+    { CTRL, KEY(p), prettify }
+};
+
+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;
+
+void notebook_create_new_tab(GtkNotebook* notebook, const char* uri);
+
+WebKitWebView* notebook_get_webview(GtkNotebook* notebook)
+{
+    return WEBKIT_WEB_VIEW(gtk_notebook_get_nth_page(notebook, gtk_notebook_get_current_page(notebook)));
+}
+
+void load_uri(WebKitWebView* view, const char* uri)
+{
+    if (strlen(uri) == 0) {
+        webkit_web_view_load_uri(view, "");
+    } else 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 {
+        char tmp[strlen(uri) + strlen(SEARCH)];
+        snprintf(tmp, sizeof(tmp), SEARCH, uri);
+        webkit_web_view_load_uri(view, tmp);
+    }
+}
+
+void handle_signal_load_changed(WebKitWebView* self, WebKitLoadEvent load_event,
+    GtkNotebook* notebook)
+{
+    switch (load_event) {
+        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);
+        }
+    }
+}
+
+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);
+        notebook_create_new_tab(notebook, uri);
+        gtk_notebook_set_show_tabs(notebook, 1);
+    } 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;
+}
+
+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);
+    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);
+
+    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), 1);
+        gtk_widget_show_all(GTK_WIDGET(window));
+        load_uri(view, (uri) ? uri : HOME);
+
+        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);
+    }
+}
+
+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);
+}
+
+/* Handle shortcuts */
+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
+            // <https://stackoverflow.com/questions/92396/why-cant-variables-be-declared-in-a-switch-statement>
+            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;
+            if (gtk_notebook_get_n_pages(notebook) == 0) {
+                exit(0);
+            }
+            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;
+            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));
+            break;
+        }
+        case show_finder: {
+
+            bar.entry_mode = _FIND;
+            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_window_set_focus(window, GTK_WIDGET(bar.line));
+            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);
+            break;
+    }
+
+    return 1;
+}
+
+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);
+
+    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);
+    return 0;
+}
+
+int main(int argc, char** argv)
+{
+    gtk_init(NULL, NULL); // <https://docs.gtk.org/gtk3/func.init.html>
+    g_object_set(gtk_settings_get_default(), GTK_SETTINGS_CONFIG_H, NULL); // <https://docs.gtk.org/gobject/method.Object.set.html>
+
+    notebook = GTK_NOTEBOOK(gtk_notebook_new());
+    gtk_notebook_set_show_tabs(notebook, 0);
+    gtk_notebook_set_show_border(notebook, 0);
+
+    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.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));
+
+    char* first_uri = argc > 1 ? argv[1] : HOME;
+    notebook_create_new_tab(notebook, first_uri);
+
+    gtk_widget_show_all(GTK_WIDGET(window));
+    gtk_notebook_set_show_tabs(notebook, 1);
+
+    if (argc > 2) {
+        for (int i = 2; i < argc; i++) {
+            notebook_create_new_tab(notebook, argv[i]);
+        }
+    }
+
+    gtk_main();
+}