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rosenrot/rosenrot4_beta.c

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C
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#include <gdk/gdk.h>
#include <stdlib.h>
#include <string.h>
#include "config.h"
#include "plugins/plugins.h"
#include <webkit/webkit.h>
#define NOTNULL(x) \
do { \
if (x == NULL) { \
printf("\nNull found"); \
printf("@ %s (%d): ", __FILE__, __LINE__); \
exit(0); \
} \
} while (0)
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);
static int handle_signal_keypress(void *self, int keyval, int keycode,
GdkModifierType state, void *controller);
/* Utils */
WebKitWebView* notebook_get_webview(GtkNotebook* notebook)
{
WebKitWebView* view = WEBKIT_WEB_VIEW(gtk_notebook_get_nth_page(notebook, gtk_notebook_get_current_page(notebook)));
NOTNULL(view);
return view;
}
/* Load content */
void load_uri(WebKitWebView* view, const char* uri)
{
NOTNULL(view);
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) { /* Should use an enum here */
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);
}
}
}
void set_custom_style(WebKitWebView* view)
{
NOTNULL(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);
}
}
/* New tabs */
WebKitWebView* create_new_webview()
{
WebKitSettings* 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
}
WebKitNetworkSession* network_session = webkit_network_session_new(DATA_DIR, DATA_DIR);
WebKitUserContentManager* contentmanager = webkit_user_content_manager_new();
WebKitCookieManager* cookiemanager = webkit_network_session_get_cookie_manager(network_session);
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);
WebKitWebView* view = g_object_new(WEBKIT_TYPE_WEB_VIEW, "settings", settings, "network-session", network_session, "user-content-manager", contentmanager, NULL);
GtkEventController *event_controller = gtk_event_controller_key_new();
g_signal_connect(event_controller, "key-pressed", G_CALLBACK(handle_signal_keypress), NULL);
gtk_widget_add_controller(GTK_WIDGET(view), event_controller);
NOTNULL(view);
return view;
}
WebKitWebView* create_new_webview_full()
{
char* style;
WebKitSettings* settings;
WebKitCookieManager* cookiemanager;
WebKitNetworkSession* network_session;
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
}
network_session = webkit_network_session_new(DATA_DIR, DATA_DIR);
contentmanager = webkit_user_content_manager_new();
cookiemanager = webkit_network_session_get_cookie_manager(network_session);
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, "network-session", network_session, "user-content-manager", contentmanager, NULL);
}
GtkWidget* handle_signal_create_new_tab(WebKitWebView* self,
WebKitNavigationAction* navigation_action,
GtkNotebook* notebook)
{
NOTNULL(self);
NOTNULL(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 GTK_WIDGET(self); // NULL;
}
void notebook_create_new_tab_mini(GtkNotebook* notebook, const char* uri)
{
WebKitWebView* view = create_new_webview();
int n = gtk_notebook_append_page(notebook, GTK_WIDGET(view), NULL);
gtk_notebook_set_tab_reorderable(notebook, GTK_WIDGET(view), true);
gtk_widget_set_visible(GTK_WIDGET(window), 1);
gtk_widget_hide(GTK_WIDGET(bar.widget));
webkit_web_view_load_uri(view, (uri) ? uri : HOME);
gtk_notebook_set_current_page(notebook, n);
gtk_notebook_set_tab_label_text(notebook, GTK_WIDGET(view), "-");
}
void notebook_create_new_tab(GtkNotebook* notebook, const char* uri)
{
NOTNULL(notebook);
if (num_tabs < MAX_NUM_TABS || MAX_NUM_TABS == 0) {
WebKitWebView* view = create_new_webview();
NOTNULL(view);
// g_signal_connect(view, "load_changed", G_CALLBACK(handle_signal_load_changed), notebook);
// I suspect there is something wonky going on here
// YEP, there is a problem here
// todo: fix
/* GtkEventController* event_controller_load_changed;
event_controller_load_changed = gtk_event_controller_key_new();
g_signal_connect_object(event_controller_load_changed, "load_changed", G_CALLBACK(handle_signal_load_changed), notebook, G_CONNECT_DEFAULT);
gtk_widget_add_controller(GTK_WIDGET(view), event_controller_load_changed);
*/
g_signal_connect(view, "create", G_CALLBACK(handle_signal_create_new_tab), notebook);
// I suspect there is something wonky going on here
/*
GtkEventController* event_controller_create_new_tab;
event_controller_create_new_tab = gtk_event_controller_key_new();
g_signal_connect_object(event_controller_create_new_tab, "create", G_CALLBACK(handle_signal_create_new_tab), notebook, G_CONNECT_DEFAULT);
gtk_widget_add_controller(GTK_WIDGET(view), event_controller_create_new_tab);
*/
int n = gtk_notebook_append_page(notebook, GTK_WIDGET(view), NULL);
gtk_notebook_set_tab_reorderable(notebook, GTK_WIDGET(view), true);
NOTNULL(window);
NOTNULL(bar.widget);
gtk_widget_set_visible(GTK_WIDGET(window), 1);
gtk_widget_set_visible(GTK_WIDGET(bar.widget), 0);
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 {
// To do: show js message
}
}
/* Top bar */
void toggle_bar(GtkNotebook* notebook, Bar_entry_mode mode)
{
NOTNULL(notebook);
NOTNULL(window);
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_set_visible(GTK_WIDGET(bar.widget), 1);
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_set_visible(GTK_WIDGET(bar.widget), 1);
gtk_window_set_focus(window, GTK_WIDGET(bar.line));
break;
}
case _HIDDEN:
gtk_widget_set_visible(GTK_WIDGET(bar.widget), 0);
}
}
// Handle what happens when the user is on the bar and presses enter
void handle_signal_bar_press_enter(void* data)
{
WebKitWebView* view = notebook_get_webview(notebook);
NOTNULL(notebook);
NOTNULL(view);
if (bar.entry_mode == _SEARCH)
load_uri(view, gtk_entry_buffer_get_text(bar.line_text));
else if (bar.entry_mode == _FIND)
webkit_find_controller_search(
webkit_web_view_get_find_controller(view),
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 */
int handle_shortcut_mini(func id)
{
WebKitWebView* view = notebook_get_webview(notebook);
NOTNULL(notebook);
NOTNULL(view);
switch (id) {
case show_searchbar:
toggle_bar(notebook, _SEARCH);
break;
case hide_bar:
toggle_bar(notebook, _HIDDEN);
break;
}
return 1;
}
int handle_shortcut(func id)
{
static double zoom = ZOOM_START_LEVEL;
static bool is_fullscreen = 0;
WebKitWebView* view = notebook_get_webview(notebook);
NOTNULL(notebook);
NOTNULL(view);
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:
gtk_widget_set_visible(GTK_WIDGET(bar.widget), 0);
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 keypresses */
static int handle_signal_keypress(void *self, int keyval, int keycode,
GdkModifierType state, void *controller)
{
// (void) self, (void) keycode, (void) controller;
// fprintf(stdout, "New keypress!\n");
printf("New keypress\n");
if (1) {
printf("Keypress state: %d\n", state);
printf("Keypress value: %d\n", keyval);
}
for (int i = 0; i < sizeof(shortcut) / sizeof(shortcut[0]); i++){
if ((state & shortcut[i].mod || shortcut[i].mod == 0x0) && keyval == shortcut[i].key) {
printf("New shortcut, with id: %d\n", shortcut[i].id);
return handle_shortcut(shortcut[i].id);
}
}
return 0;
}
int main(int argc, char** argv)
{
/* Initialize GTK in general */
gtk_init();
// Create the main window
window = GTK_WINDOW(gtk_window_new());
gtk_window_set_default_size(window, WIDTH, HEIGHT_4);
// Set up notebook
notebook = GTK_NOTEBOOK(gtk_notebook_new());
gtk_notebook_set_show_tabs(notebook, true);
gtk_notebook_set_show_border(notebook, false);
gtk_window_set_child(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);
bar.widget = GTK_HEADER_BAR(gtk_header_bar_new());
gtk_header_bar_set_title_widget(bar.widget, GTK_WIDGET(bar.line));
gtk_window_set_titlebar(window, GTK_WIDGET(bar.widget));
// g_signal_connect(window, "destroy", G_CALLBACK(exit), notebook);
GtkEventController *event_controller = gtk_event_controller_key_new();
g_signal_connect(event_controller, "key-pressed", G_CALLBACK(handle_signal_keypress), NULL);
gtk_widget_add_controller(GTK_WIDGET(window), event_controller);
// GtkEventController* event_controller_keypress = gtk_event_controller_key_new();
// g_signal_connect_object(event_controller_keypress, "key-pressed", G_CALLBACK(handle_signal_keypress), notebook, G_CONNECT_DEFAULT);
// gtk_widget_add_controller(GTK_WIDGET(notebook), event_controller_keypress);
g_signal_connect(bar.line, "activate", G_CALLBACK(handle_signal_bar_press_enter), NULL);
// Show the application window
gtk_window_present(window);
char* first_uri = argc > 1 ? argv[1] : HOME;
notebook_create_new_tab(notebook, first_uri);
/* Show to user */
gtk_widget_set_visible(GTK_WIDGET(window), 1);
if (argc != 0) gtk_widget_set_visible(GTK_WIDGET(bar.widget), 0);
/* 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]);
}
}
// Enter the main event loop, and wait for user interaction
printf("\nEntering main loop");
while (g_list_model_get_n_items(gtk_window_get_toplevels()) > 0 && num_tabs > 0)
g_main_context_iteration(NULL, TRUE);
return 0;
}
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