remove file without comments
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24302016d2
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#include <gdk/gdk.h>
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#include <stdlib.h>
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#include <string.h>
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#include <webkit2/webkit2.h>
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#define WIDTH 1920
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#define HEIGHT 1080
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#define BAR_SIZE 1000
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#define SEARCH "https://lite.duckduckgo.com/html/?q=%s"
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#define HOME "https://lite.duckduckgo.com/html"
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#define ZOOM 1 /* Starting zoom level.*/
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#define ZOOM_VAL .1 /* Zooming value in zoomin/zoomout functions */
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#define MAX_NUM_TABS 8
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#define WEBKIT_DEFAULT_SETTINGS \
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"enable-back-forward-navigation-gestures", 1, "enable-developer-extras", 1, \
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"enable-smooth-scrolling", 0, \
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"default-charset", "utf-8"
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#define DATA_DIR "/home/nuno/.cache/rosenrot"
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#define DATA_MANAGER_OPTS "base-cache-directory", DATA_DIR, "base-data-directory", DATA_DIR
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#define GTK_SETTINGS_CONFIG_H "gtk-application-prefer-dark-theme", 0, "gtk-enable-animations", 0
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#define KEY(x) GDK_KEY_##x
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typedef enum {
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goback,
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goforward,
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refresh,
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refresh_force,
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back_to_home,
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toggle_fullscreen,
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zoomin,
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zoomout,
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zoom_reset,
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new_tab,
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next_tab,
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prev_tab,
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close_tab,
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show_searchbar,
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show_finder,
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finder_next,
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finder_prev,
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prettify,
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hide_bar
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} func;
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#define SFT 1 << 0
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#define CTRL 1 << 2
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#define ALT 1 << 3
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static struct {
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unsigned mod;
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unsigned key;
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func id;
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} shortcut[] = {
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{ CTRL, KEY(h), goback },
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{ CTRL, KEY(j), goforward },
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{ CTRL, KEY(r), refresh },
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{ CTRL, KEY(R), refresh_force },
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{ CTRL, KEY(H), back_to_home },
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{ CTRL, KEY(equal), zoomin },
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{ CTRL, KEY(minus), zoomout },
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{ CTRL, KEY(0), zoom_reset },
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{ CTRL, KEY(KP_Page_Up), prev_tab }, /* also try KEY(Page_Up) if this doesn't work on your machine */
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{ CTRL, KEY(KP_Page_Down), next_tab }, /* ditto for KEY(Page_Down) */
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{ CTRL, KEY(t), new_tab },
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{ CTRL, KEY(w), close_tab },
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{ 0x0, KEY(F11), toggle_fullscreen },
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{ CTRL, KEY(l), show_searchbar },
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{ CTRL, KEY(semicolon), hide_bar },
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{ CTRL, KEY(f), show_finder },
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{ CTRL, KEY(n), finder_next },
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{ CTRL, KEY(N), finder_prev },
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{ CTRL, KEY(p), prettify }
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};
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static GtkNotebook* notebook;
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static GtkWindow* window;
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static struct {
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GtkHeaderBar* widget;
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GtkEntry* line;
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GtkEntryBuffer* line_text;
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enum { _SEARCH,
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_FIND,
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_HIDDEN } entry_mode;
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} bar;
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static int num_tabs = 0;
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void notebook_create_new_tab(GtkNotebook* notebook, const char* uri);
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WebKitWebView* notebook_get_webview(GtkNotebook* notebook)
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{
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return WEBKIT_WEB_VIEW(gtk_notebook_get_nth_page(notebook, gtk_notebook_get_current_page(notebook)));
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}
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void load_uri(WebKitWebView* view, const char* uri)
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{
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if (strlen(uri) == 0) {
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webkit_web_view_load_uri(view, "");
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} 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:")) {
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webkit_web_view_load_uri(view, uri);
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} else {
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char tmp[strlen(uri) + strlen(SEARCH)];
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snprintf(tmp, sizeof(tmp), SEARCH, uri);
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webkit_web_view_load_uri(view, tmp);
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}
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}
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void handle_signal_load_changed(WebKitWebView* self, WebKitLoadEvent load_event,
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GtkNotebook* notebook)
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{
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switch (load_event) {
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case WEBKIT_LOAD_FINISHED: {
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/* Add gtk tab title */
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const char* webpage_title = webkit_web_view_get_title(self);
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const int max_length = 25;
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char tab_title[max_length + 1];
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if (webpage_title != NULL) {
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for (int i = 0; i < (max_length); i++) {
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tab_title[i] = webpage_title[i];
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if (webpage_title[i] == '\0') {
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break;
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}
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}
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tab_title[max_length] = '\0';
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}
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gtk_notebook_set_tab_label_text(notebook, GTK_WIDGET(self),
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webpage_title == NULL ? "—" : tab_title);
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}
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}
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}
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GtkWidget* handle_signal_create_new_tab(WebKitWebView* self,
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WebKitNavigationAction* navigation_action,
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GtkNotebook* notebook)
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{
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if (num_tabs < MAX_NUM_TABS || num_tabs == 0) {
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WebKitURIRequest* uri_request = webkit_navigation_action_get_request(navigation_action);
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const char* uri = webkit_uri_request_get_uri(uri_request);
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notebook_create_new_tab(notebook, uri);
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gtk_notebook_set_show_tabs(notebook, 1);
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} else {
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webkit_web_view_evaluate_javascript(self, "alert('Too many tabs, not opening a new one')", -1, NULL, "rosenrot-alert-numtabs", NULL, NULL, NULL);
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}
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return NULL;
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}
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WebKitWebView* create_new_webview()
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{
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char* style;
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WebKitSettings* settings;
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WebKitWebContext* web_context;
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WebKitCookieManager* cookiemanager;
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WebKitUserContentManager* contentmanager;
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settings = webkit_settings_new_with_settings(WEBKIT_DEFAULT_SETTINGS, NULL);
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web_context = webkit_web_context_new_with_website_data_manager(webkit_website_data_manager_new(DATA_MANAGER_OPTS, NULL));
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contentmanager = webkit_user_content_manager_new();
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cookiemanager = webkit_web_context_get_cookie_manager(web_context);
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webkit_cookie_manager_set_persistent_storage(cookiemanager, DATA_DIR "/cookies.sqlite", WEBKIT_COOKIE_PERSISTENT_STORAGE_SQLITE);
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webkit_cookie_manager_set_accept_policy(cookiemanager, WEBKIT_COOKIE_POLICY_ACCEPT_ALWAYS);
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return g_object_new(WEBKIT_TYPE_WEB_VIEW, "settings", settings, "web-context", web_context, "user-content-manager", contentmanager, NULL);
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}
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void notebook_create_new_tab(GtkNotebook* notebook, const char* uri)
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{
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if (num_tabs < MAX_NUM_TABS || MAX_NUM_TABS == 0) {
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WebKitWebView* view = create_new_webview();
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g_signal_connect(view, "load_changed", G_CALLBACK(handle_signal_load_changed), notebook);
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g_signal_connect(view, "create", G_CALLBACK(handle_signal_create_new_tab), notebook);
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int n = gtk_notebook_append_page(notebook, GTK_WIDGET(view), NULL);
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gtk_notebook_set_tab_reorderable(notebook, GTK_WIDGET(view), 1);
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gtk_widget_show_all(GTK_WIDGET(window));
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load_uri(view, (uri) ? uri : HOME);
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gtk_notebook_set_current_page(notebook, n);
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gtk_notebook_set_tab_label_text(notebook, GTK_WIDGET(view), "-");
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webkit_web_view_set_zoom_level(view, ZOOM);
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num_tabs += 1;
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} else {
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webkit_web_view_evaluate_javascript(notebook_get_webview(notebook), "alert('Too many tabs, not opening a new one')",
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-1, NULL, "rosenrot-alert-numtabs", NULL, NULL, NULL);
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}
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}
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void handle_signal_bar_press_enter(GtkEntry* self, GtkNotebook* notebook)
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{
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if (bar.entry_mode == _SEARCH)
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load_uri(notebook_get_webview(notebook), gtk_entry_buffer_get_text(bar.line_text));
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else if (bar.entry_mode == _FIND)
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webkit_find_controller_search(
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webkit_web_view_get_find_controller(notebook_get_webview(notebook)),
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gtk_entry_buffer_get_text(bar.line_text),
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WEBKIT_FIND_OPTIONS_CASE_INSENSITIVE | WEBKIT_FIND_OPTIONS_WRAP_AROUND,
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G_MAXUINT);
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}
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/* Handle shortcuts */
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int handle_shortcut(func id, GtkNotebook* notebook)
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{
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static double zoom = ZOOM;
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static bool is_fullscreen = 0;
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WebKitWebView* view = notebook_get_webview(notebook);
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switch (id) {
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case goback:
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webkit_web_view_go_back(view);
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break;
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case goforward:
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webkit_web_view_go_forward(view);
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break;
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case refresh:
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webkit_web_view_reload(view);
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break;
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case refresh_force:
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webkit_web_view_reload_bypass_cache(view);
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break;
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case back_to_home:
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load_uri(view, HOME);
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break;
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case zoomin:
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webkit_web_view_set_zoom_level(view,
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(zoom += ZOOM_VAL));
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break;
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case zoomout:
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webkit_web_view_set_zoom_level(view,
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(zoom -= ZOOM_VAL));
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break;
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case zoom_reset:
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webkit_web_view_set_zoom_level(view,
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(zoom = ZOOM));
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break;
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case prev_tab:; // declarations aren't statements
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// <https://stackoverflow.com/questions/92396/why-cant-variables-be-declared-in-a-switch-statement>
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int n = gtk_notebook_get_n_pages(notebook);
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int k = gtk_notebook_get_current_page(notebook);
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int l = (n + k - 1) % n;
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gtk_notebook_set_current_page(notebook, l);
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break;
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case next_tab:;
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int m = gtk_notebook_get_n_pages(notebook);
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int i = gtk_notebook_get_current_page(notebook);
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int j = (i + 1) % m;
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gtk_notebook_set_current_page(notebook, j);
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break;
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case close_tab:
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gtk_notebook_remove_page(notebook, gtk_notebook_get_current_page(notebook));
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num_tabs -= 1;
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if (gtk_notebook_get_n_pages(notebook) == 0) {
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exit(0);
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}
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break;
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case toggle_fullscreen:
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if (is_fullscreen)
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gtk_window_unfullscreen(window);
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else
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gtk_window_fullscreen(window);
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is_fullscreen = !is_fullscreen;
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break;
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case show_searchbar: {
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bar.entry_mode = _SEARCH;
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const char* url = webkit_web_view_get_uri(notebook_get_webview(notebook));
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gtk_entry_set_placeholder_text(bar.line, "Search");
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gtk_entry_buffer_set_text(bar.line_text, url, strlen(url));
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gtk_widget_show(GTK_WIDGET(bar.widget));
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gtk_window_set_focus(window, GTK_WIDGET(bar.line));
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break;
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}
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case show_finder: {
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bar.entry_mode = _FIND;
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const char* search_text = webkit_find_controller_get_search_text(webkit_web_view_get_find_controller(notebook_get_webview(notebook)));
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if (search_text != NULL) gtk_entry_buffer_set_text(bar.line_text, search_text, strlen(search_text));
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gtk_entry_set_placeholder_text(bar.line, "Find");
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gtk_window_set_focus(window, GTK_WIDGET(bar.line));
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break;
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}
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case finder_next:
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webkit_find_controller_search_next(webkit_web_view_get_find_controller(view));
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break;
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case finder_prev:
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webkit_find_controller_search_previous(webkit_web_view_get_find_controller(view));
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break;
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case new_tab:
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notebook_create_new_tab(notebook, NULL);
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break;
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}
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return 1;
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}
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int handle_signal_keypress(void* self, GdkEvent* event, GtkNotebook* notebook)
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{
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(void)self;
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guint event_keyval = 0;
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gdk_event_get_keyval(event, &event_keyval);
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GdkModifierType event_state = 0;
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gdk_event_get_state(event, &event_state);
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for (int i = 0; i < sizeof(shortcut) / sizeof(shortcut[0]); i++)
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if ((event_state & shortcut[i].mod || shortcut[i].mod == 0x0) && event_keyval == shortcut[i].key)
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return handle_shortcut(shortcut[i].id, notebook);
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return 0;
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}
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int main(int argc, char** argv)
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{
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gtk_init(NULL, NULL); // <https://docs.gtk.org/gtk3/func.init.html>
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g_object_set(gtk_settings_get_default(), GTK_SETTINGS_CONFIG_H, NULL); // <https://docs.gtk.org/gobject/method.Object.set.html>
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notebook = GTK_NOTEBOOK(gtk_notebook_new());
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gtk_notebook_set_show_tabs(notebook, 0);
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gtk_notebook_set_show_border(notebook, 0);
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window = GTK_WINDOW(gtk_window_new(0));
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gtk_window_set_default_size(window, WIDTH, HEIGHT);
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g_signal_connect(window, "key-press-event", G_CALLBACK(handle_signal_keypress), notebook);
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g_signal_connect(window, "destroy", G_CALLBACK(exit), notebook);
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gtk_container_add(GTK_CONTAINER(window), GTK_WIDGET(notebook));
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bar.line_text = GTK_ENTRY_BUFFER(gtk_entry_buffer_new("", 0));
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bar.line = GTK_ENTRY(gtk_entry_new_with_buffer(bar.line_text));
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gtk_entry_set_alignment(bar.line, 0.48);
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gtk_widget_set_size_request(GTK_WIDGET(bar.line), BAR_SIZE, -1);
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g_signal_connect(bar.line, "activate", G_CALLBACK(handle_signal_bar_press_enter), notebook);
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bar.widget = GTK_HEADER_BAR(gtk_header_bar_new());
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gtk_header_bar_set_custom_title(bar.widget, GTK_WIDGET(bar.line));
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gtk_window_set_titlebar(window, GTK_WIDGET(bar.widget));
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char* first_uri = argc > 1 ? argv[1] : HOME;
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notebook_create_new_tab(notebook, first_uri);
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gtk_widget_show_all(GTK_WIDGET(window));
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gtk_notebook_set_show_tabs(notebook, 1);
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if (argc > 2) {
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for (int i = 2; i < argc; i++) {
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notebook_create_new_tab(notebook, argv[i]);
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}
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}
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gtk_main();
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}
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