commit 84d35b197dcaae3083327095c7ef46eaf979e0fa
parent 286dc05d45dc692284ed9f595182545d09a2d25b
Author: NunoSempere <nuno.semperelh@protonmail.com>
Date: Sat, 20 Jul 2024 18:24:03 -0400
GTK4: split into 2 files rather than using #if guards
Diffstat:
| M | makefile | | | 31 | ++++++++++++++++++++----------- |
| D | rosenrot.c | | | 445 | ------------------------------------------------------------------------------- |
| A | rosenrot3.c | | | 438 | +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ |
| A | rosenrot4.c | | | 457 | +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ |
4 files changed, 915 insertions(+), 456 deletions(-)
diff --git a/makefile b/makefile
@@ -6,14 +6,19 @@ OPTIMIZED_MORE=-Ofast -march=native -funit-at-a-time -flto # binary will not be
DEBUG= # -g
STD=-std=c99 # maybe consider moving to c11 and using safer string handling
-# Dependencies
-DEPS='webkit2gtk-4.1'
-# DEPS='webkitgtk-6.0'
-INCS=`pkg-config --cflags ${DEPS}`
-LIBS=`pkg-config --libs ${DEPS}`
-
-# Code
-SRC=rosenrot.c
+# Dependencies for WebkitGTK4/GTK3
+SRC_3=rosenrot3.c
+DEPS_3='webkit2gtk-4.1'
+INCS_3=`pkg-config --cflags ${DEPS_3}`
+LIBS_3=`pkg-config --libs ${DEPS_3}`
+
+# Dependencies for WebkitGTK6/GTK4
+SRC_4=rosenrot4.c
+DEPS_4='webkitgtk-6.0'
+INCS_4=`pkg-config --cflags ${DEPS_4}`
+LIBS_4=`pkg-config --libs ${DEPS_4}`
+
+# User config
CONFIG=config.h
# Plugins
@@ -34,10 +39,14 @@ RUNTIME_FILES_DIR=/opt/rosenrot/
# Start 3 to 4 transition
# https://docs.gtk.org/gtk4/migrating-3to4.html
# https://github.com/WebKit/WebKit/blob/ed1422596dce5ff012e64a38faf402ac1674fc7e/Source/WebKit/gtk/migrating-to-webkitgtk-6.0.md
-# DEPRECATION_FLAGS=-DGDK_DISABLE_DEPRECATED -DGTK_DISABLE_DEPRECATED
+DEPRECATION_FLAGS=-DGDK_DISABLE_DEPRECATED -DGTK_DISABLE_DEPRECATED
-build: $(SRC) $(PLUGINS) $(CONFIG) constants user_cache
- $(CC) $(STD) $(WARNINGS) $(DEPRECATION_FLAGS) $(OPTIMIZED_MORE) $(DEBUG) $(INCS) $(PLUGINS) $(SRC) -o rosenrot $(LIBS) $(ADBLOCK)
+build: $(SRC_3) $(PLUGINS) $(CONFIG) constants user_cache
+ $(CC) $(STD) $(WARNINGS) $(OPTIMIZED_MORE) $(DEBUG) $(INCS_3) $(PLUGINS) $(SRC_3) -o rosenrot $(LIBS_3) $(ADBLOCK)
+ @echo
+
+build4: $(SRC_4) $(PLUGINS) $(CONFIG) constants user_cache
+ $(CC) $(STD) $(WARNINGS) $(DEPRECATION_FLAGS) $(OPTIMIZED_MORE) $(DEBUG) $(INCS_4) $(PLUGINS) $(SRC_4) -o rosenrot $(LIBS_4) $(ADBLOCK)
@echo
constants:
diff --git a/rosenrot.c b/rosenrot.c
@@ -1,445 +0,0 @@
-#include <gdk/gdk.h>
-#include <stdlib.h>
-#include <string.h>
-
-#include "config.h"
-#if GTK_NUM == 3
- #include <webkit2/webkit2.h>
-#elif GTK_NUM == 4
- #include <webkit/webkit.h>
-#endif
-#include "plugins/plugins.h"
-
-/* Global declarations */
-static GtkNotebook* notebook;
-static GtkWindow* window;
-typedef enum { _SEARCH, _FIND, _HIDDEN } Bar_entry_mode;
-static struct {
- GtkHeaderBar* widget;
- GtkEntry* line;
- GtkEntryBuffer* line_text;
- Bar_entry_mode entry_mode;
-} bar;
-static int num_tabs = 0;
-static int custom_style_enabled = 1;
-
-/* Forward declarations */
-void toggle_bar(GtkNotebook* notebook, Bar_entry_mode mode);
-void notebook_create_new_tab(GtkNotebook* notebook, const char* uri);
-
-/* 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 (strlen(uri) == 0) {
- webkit_web_view_load_uri(view, "");
- toggle_bar(notebook, _SEARCH);
- } 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 if (strstr(uri, ".com") || strstr(uri, ".org")) {
- char tmp[strlen("https://") + strlen(uri) + 1];
- snprintf(tmp, sizeof(tmp) + 1, "https://%s", uri);
- webkit_web_view_load_uri(view, tmp);
- } 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) {
- // https://webkitgtk.org/reference/webkit2gtk/2.5.1/WebKitWebView.html
- case WEBKIT_LOAD_STARTED:
- case WEBKIT_LOAD_COMMITTED:
- set_custom_style(self);
- case WEBKIT_LOAD_REDIRECTED:
- redirect_if_annoying(self, webkit_web_view_get_uri(self));
- break;
- case WEBKIT_LOAD_FINISHED: {
- set_custom_style(self);
- /* 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);
- }
- }
-}
-
-/* Create new tabs */
-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);
- } 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/120.0.0.0 Safari/537.3");
- // https://www.useragents.me
- }
- 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("~/opt/rosenrot/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_START_LEVEL);
- 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 toggle_bar(GtkNotebook* notebook, Bar_entry_mode mode)
-{
- bar.entry_mode = mode;
- switch (bar.entry_mode) {
- case _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 _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_widget_show(GTK_WIDGET(bar.widget));
- gtk_window_set_focus(window, GTK_WIDGET(bar.line));
- break;
- }
- case _HIDDEN:
- gtk_widget_hide(GTK_WIDGET(bar.widget));
- }
-}
-
-// 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_START_LEVEL;
- 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 toggle_custom_style: /* Ctrl s + Ctrl Shift R to reload */
- if (custom_style_enabled)
- custom_style_enabled = 0;
- else
- custom_style_enabled = 1;
- // break; passthrough
- 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_STEPSIZE));
- break;
- case zoomout:
- webkit_web_view_set_zoom_level(view,
- (zoom -= ZOOM_STEPSIZE));
- break;
- case zoom_reset:
- webkit_web_view_set_zoom_level(view,
- (zoom = ZOOM_START_LEVEL));
- 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;
-
- 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:
- toggle_bar(notebook, _SEARCH);
- break;
- case show_finder:
- toggle_bar(notebook, _FIND);
- 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);
- toggle_bar(notebook, _SEARCH);
- break;
-
- case hide_bar:
- toggle_bar(notebook, _HIDDEN);
- 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);
-
- if (0) {
- printf("Keypress state: %d\n", event_state);
- 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/gtk3/signal.Widget.button-press-event.html
- - https://docs.gtk.org/gdk3/union.Event.html
- - 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); // 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
- GtkCssProvider* css = gtk_css_provider_new();
- gtk_css_provider_load_from_path(css, "/opt/rosenrot/style.css", NULL);
- gtk_style_context_add_provider_for_screen(gdk_screen_get_default(), GTK_STYLE_PROVIDER(css), 800); /* might change with GTK4/webkitgtk6.0 */
-
- /* 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);
- #if GTK_NUM == 3
- gtk_container_add(GTK_CONTAINER(window), GTK_WIDGET(notebook)); /* deprecated in GTK */
- #elif GTK_NUM == 4
- gtk_window_set_child(GTK_CONTAINER(window), GTK_WIDGET(notebook))
- #endif
-
- // 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));
- if (argc != 0) 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(); /* deprecated in GKT4: https://docs.gtk.org/gtk4/migrating-3to4.html#stop-using-gtk_main-and-related-apis */
-}
diff --git a/rosenrot3.c b/rosenrot3.c
@@ -0,0 +1,438 @@
+#include <gdk/gdk.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "config.h"
+#include <webkit2/webkit2.h>
+#include "plugins/plugins.h"
+
+/* Global declarations */
+static GtkNotebook* notebook;
+static GtkWindow* window;
+typedef enum { _SEARCH, _FIND, _HIDDEN } Bar_entry_mode;
+static struct {
+ GtkHeaderBar* widget;
+ GtkEntry* line;
+ GtkEntryBuffer* line_text;
+ Bar_entry_mode entry_mode;
+} bar;
+static int num_tabs = 0;
+static int custom_style_enabled = 1;
+
+/* Forward declarations */
+void toggle_bar(GtkNotebook* notebook, Bar_entry_mode mode);
+void notebook_create_new_tab(GtkNotebook* notebook, const char* uri);
+
+/* 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 (strlen(uri) == 0) {
+ webkit_web_view_load_uri(view, "");
+ toggle_bar(notebook, _SEARCH);
+ } 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 if (strstr(uri, ".com") || strstr(uri, ".org")) {
+ char tmp[strlen("https://") + strlen(uri) + 1];
+ snprintf(tmp, sizeof(tmp) + 1, "https://%s", uri);
+ webkit_web_view_load_uri(view, tmp);
+ } 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) {
+ // https://webkitgtk.org/reference/webkit2gtk/2.5.1/WebKitWebView.html
+ case WEBKIT_LOAD_STARTED:
+ case WEBKIT_LOAD_COMMITTED:
+ set_custom_style(self);
+ case WEBKIT_LOAD_REDIRECTED:
+ redirect_if_annoying(self, webkit_web_view_get_uri(self));
+ break;
+ case WEBKIT_LOAD_FINISHED: {
+ set_custom_style(self);
+ /* 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);
+ }
+ }
+}
+
+/* Create new tabs */
+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);
+ } 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/120.0.0.0 Safari/537.3");
+ // https://www.useragents.me
+ }
+ 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("~/opt/rosenrot/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_START_LEVEL);
+ 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 toggle_bar(GtkNotebook* notebook, Bar_entry_mode mode)
+{
+ bar.entry_mode = mode;
+ switch (bar.entry_mode) {
+ case _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 _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_widget_show(GTK_WIDGET(bar.widget));
+ gtk_window_set_focus(window, GTK_WIDGET(bar.line));
+ break;
+ }
+ case _HIDDEN:
+ gtk_widget_hide(GTK_WIDGET(bar.widget));
+ }
+}
+
+// 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_START_LEVEL;
+ 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 toggle_custom_style: /* Ctrl s + Ctrl Shift R to reload */
+ if (custom_style_enabled)
+ custom_style_enabled = 0;
+ else
+ custom_style_enabled = 1;
+ // break; passthrough
+ 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_STEPSIZE));
+ break;
+ case zoomout:
+ webkit_web_view_set_zoom_level(view,
+ (zoom -= ZOOM_STEPSIZE));
+ break;
+ case zoom_reset:
+ webkit_web_view_set_zoom_level(view,
+ (zoom = ZOOM_START_LEVEL));
+ 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;
+
+ 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:
+ toggle_bar(notebook, _SEARCH);
+ break;
+ case show_finder:
+ toggle_bar(notebook, _FIND);
+ 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);
+ toggle_bar(notebook, _SEARCH);
+ break;
+
+ case hide_bar:
+ toggle_bar(notebook, _HIDDEN);
+ 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);
+
+ if (0) {
+ printf("Keypress state: %d\n", event_state);
+ 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/gtk3/signal.Widget.button-press-event.html
+ - https://docs.gtk.org/gdk3/union.Event.html
+ - 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); // 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
+ GtkCssProvider* css = gtk_css_provider_new();
+ gtk_css_provider_load_from_path(css, "/opt/rosenrot/style.css", NULL);
+ gtk_style_context_add_provider_for_screen(gdk_screen_get_default(), GTK_STYLE_PROVIDER(css), 800); /* might change with GTK4/webkitgtk6.0 */
+
+ /* 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)); /* deprecated in GTK */
+
+ // 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));
+ if (argc != 0) 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(); /* deprecated in GKT4: https://docs.gtk.org/gtk4/migrating-3to4.html#stop-using-gtk_main-and-related-apis */
+}
diff --git a/rosenrot4.c b/rosenrot4.c
@@ -0,0 +1,457 @@
+#include <gdk/gdk.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "config.h"
+#include <webkit/webkit.h>
+#include "plugins/plugins.h"
+
+/* Global declarations */
+static GtkNotebook* notebook;
+static GtkWindow* window;
+typedef enum { _SEARCH, _FIND, _HIDDEN } Bar_entry_mode;
+static struct {
+ GtkHeaderBar* widget;
+ GtkEntry* line;
+ GtkEntryBuffer* line_text;
+ Bar_entry_mode entry_mode;
+} bar;
+static int num_tabs = 0;
+static int custom_style_enabled = 1;
+
+/* Forward declarations */
+void toggle_bar(GtkNotebook* notebook, Bar_entry_mode mode);
+void notebook_create_new_tab(GtkNotebook* notebook, const char* uri);
+
+/* 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 (strlen(uri) == 0) {
+ webkit_web_view_load_uri(view, "");
+ toggle_bar(notebook, _SEARCH);
+ } 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 if (strstr(uri, ".com") || strstr(uri, ".org")) {
+ char tmp[strlen("https://") + strlen(uri) + 1];
+ snprintf(tmp, sizeof(tmp) + 1, "https://%s", uri);
+ webkit_web_view_load_uri(view, tmp);
+ } 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) {
+ // https://webkitgtk.org/reference/webkit2gtk/2.5.1/WebKitWebView.html
+ case WEBKIT_LOAD_STARTED:
+ case WEBKIT_LOAD_COMMITTED:
+ set_custom_style(self);
+ case WEBKIT_LOAD_REDIRECTED:
+ redirect_if_annoying(self, webkit_web_view_get_uri(self));
+ break;
+ case WEBKIT_LOAD_FINISHED: {
+ set_custom_style(self);
+ /* 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);
+ }
+ }
+}
+
+/* Create new tabs */
+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);
+ } 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/120.0.0.0 Safari/537.3");
+ // https://www.useragents.me
+ }
+ 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("~/opt/rosenrot/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_START_LEVEL);
+ 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 toggle_bar(GtkNotebook* notebook, Bar_entry_mode mode)
+{
+ bar.entry_mode = mode;
+ switch (bar.entry_mode) {
+ case _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 _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_widget_show(GTK_WIDGET(bar.widget));
+ gtk_window_set_focus(window, GTK_WIDGET(bar.line));
+ break;
+ }
+ case _HIDDEN:
+ gtk_widget_hide(GTK_WIDGET(bar.widget));
+ }
+}
+
+// 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_START_LEVEL;
+ 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 toggle_custom_style: /* Ctrl s + Ctrl Shift R to reload */
+ if (custom_style_enabled)
+ custom_style_enabled = 0;
+ else
+ custom_style_enabled = 1;
+ // break; passthrough
+ 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_STEPSIZE));
+ break;
+ case zoomout:
+ webkit_web_view_set_zoom_level(view,
+ (zoom -= ZOOM_STEPSIZE));
+ break;
+ case zoom_reset:
+ webkit_web_view_set_zoom_level(view,
+ (zoom = ZOOM_START_LEVEL));
+ 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;
+
+ 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:
+ toggle_bar(notebook, _SEARCH);
+ break;
+ case show_finder:
+ toggle_bar(notebook, _FIND);
+ 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);
+ toggle_bar(notebook, _SEARCH);
+ break;
+
+ case hide_bar:
+ toggle_bar(notebook, _HIDDEN);
+ 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);
+
+ if (0) {
+ printf("Keypress state: %d\n", event_state);
+ 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/gtk3/signal.Widget.button-press-event.html
+ - https://docs.gtk.org/gdk3/union.Event.html
+ - 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 */
+ #if GTK_NUM == 3
+ gtk_init(NULL, NULL); // https://docs.gtk.org/gtk3/func.init.html
+ #elif GTK_NUM == 4
+ gtk_init()
+ #endif
+ g_object_set(gtk_settings_get_default(), GTK_SETTINGS_CONFIG_H, NULL); // https://docs.gtk.org/gobject/method.Object.set.html
+ GtkCssProvider* css = gtk_css_provider_new();
+ gtk_css_provider_load_from_path(css, "/opt/rosenrot/style.css", NULL);
+ #if GTK_NUM == 3
+ gtk_style_context_add_provider_for_screen(gdk_screen_get_default(), GTK_STYLE_PROVIDER(css), 800); /* might change with GTK4/webkitgtk6.0 */
+ #elif GTK_NUM == 4
+ gtk_style_context_add_provider_for_display(gdk_screen_get_default(), GTK_STYLE_PROVIDER(css), 800); /* might change with GTK4/webkitgtk6.0 */
+ #endif
+
+ /* 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);
+
+ #if GTK_NUM == 3
+ gtk_container_add(GTK_CONTAINER(window), GTK_WIDGET(notebook)); /* deprecated in GTK */
+ #elif GTK_NUM == 4
+ gtk_window_set_child(GTK_CONTAINER(window), GTK_WIDGET(notebook))
+ #endif
+
+ // 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());
+ #if GTK_NUM == 3
+ gtk_header_bar_set_custom_title(bar.widget, GTK_WIDGET(bar.line));
+ #elif GTK_NUM == 4
+ gtk_header_bar_set_title_widget(bar.widget, GTK_WIDGET(bar.line));
+ #endif
+ 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));
+ if (argc != 0) 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(); /* deprecated in GKT4: https://docs.gtk.org/gtk4/migrating-3to4.html#stop-using-gtk_main-and-related-apis */
+ //
+ while (g_list_model_get_n_items (gtk_window_get_toplevels ()) > 0)
+ g_main_context_iteration (NULL, TRUE);
+}
