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— gtklauncher [2023/07/18 23:11] (Version actuelle)
Ligne 1: Ligne 1:
 +====== main.c ======
 +<code c>
 +/*
 + * Copyright (C) 2006, 2007 Apple Inc.
 + * Copyright (C) 2007 Alp Toker <alp@atoker.com>
 + *
 + * Redistribution and use in source and binary forms, with or without
 + * modification, are permitted provided that the following conditions
 + * are met:
 + * 1. Redistributions of source code must retain the above copyright
 + *    notice, this list of conditions and the following disclaimer.
 + * 2. Redistributions in binary form must reproduce the above copyright
 + *    notice, this list of conditions and the following disclaimer in the
 + *    documentation and/or other materials provided with the distribution.
 + *
 + * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
 + * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 + * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE COMPUTER, INC. OR
 + * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
 + * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
 + * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
 + * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
 + * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 + *
 + * Modification pour la démo:
 + *  - ajout d'un bouton fermeture
 + *  - ajout du proxy
 + *  - force la taille de la fenêtre à 1024x768 non redimentionable. 
 + *    Cette partie ne devrait pas être en dur mais passer en argument pour 
 + *    s'adapter aux dimensions de l'écran.
 + */
 +
 +#include <gtk/gtk.h>
 +#include <webkit/webkit.h>
 +
 +static gint windowCount = 0;
 +
 +static GtkWidget* createWindow(WebKitWebView** outWebView);
 +
 +static void activateUriEntryCb(GtkWidget* entry, gpointer data)
 +{
 +    WebKitWebView *webView = g_object_get_data(G_OBJECT(entry), "web-view");
 +    const gchar* uri = gtk_entry_get_text(GTK_ENTRY(entry));
 +    g_assert(uri);
 +    webkit_web_view_load_uri(webView, uri);
 +}
 +
 +static void updateTitle(GtkWindow* window, WebKitWebView* webView)
 +{
 +    GString *string = g_string_new(webkit_web_view_get_title(webView));
 +    gdouble loadProgress = webkit_web_view_get_progress(webView) * 100;
 +    g_string_append(string, " - WebKit Launcher");
 +    if (loadProgress < 100)
 +        g_string_append_printf(string, " (%f%%)", loadProgress);
 +    gchar *title = g_string_free(string, FALSE);
 +    gtk_window_set_title(window, title);
 +    g_free(title);
 +}
 +
 +static void linkHoverCb(WebKitWebView* page, const gchar* title, const gchar* link, GtkStatusbar* statusbar)
 +{
 +    guint statusContextId =
 +      GPOINTER_TO_UINT(g_object_get_data(G_OBJECT(statusbar), "link-hover-context"));
 +    /* underflow is allowed */
 +    gtk_statusbar_pop(statusbar, statusContextId);
 +    if (link)
 +        gtk_statusbar_push(statusbar, statusContextId, link);
 +}
 +
 +static void notifyTitleCb(WebKitWebView* webView, GParamSpec* pspec, GtkWidget* window)
 +{
 +    updateTitle(GTK_WINDOW(window), webView);
 +}
 +
 +static void notifyLoadStatusCb(WebKitWebView* webView, GParamSpec* pspec, GtkWidget* uriEntry)
 +{
 +    if (webkit_web_view_get_load_status(webView) == WEBKIT_LOAD_COMMITTED) {
 +        WebKitWebFrame *frame = webkit_web_view_get_main_frame(webView);
 +        const gchar *uri = webkit_web_frame_get_uri(frame);
 +        if (uri)
 +            gtk_entry_set_text(GTK_ENTRY(uriEntry), uri);
 +    }
 +}
 +
 +static void notifyProgressCb(WebKitWebView* webView, GParamSpec* pspec, GtkWidget* window)
 +{
 +    updateTitle(GTK_WINDOW(window), webView);
 +}
 +
 +static void destroyCb(GtkWidget* widget, GtkWidget* window)
 +{
 +    if (g_atomic_int_dec_and_test(&windowCount))
 +      gtk_main_quit();
 +}
 +
 +static void closeCb(GtkWidget* widget,  WebKitWebView* webView)
 +{
 +    gtk_main_quit();
 +}
 +
 +static void goBackCb(GtkWidget* widget,  WebKitWebView* webView)
 +{
 +    webkit_web_view_go_back(webView);
 +}
 +
 +static void goForwardCb(GtkWidget* widget, WebKitWebView* webView)
 +{
 +    webkit_web_view_go_forward(webView);
 +}
 +
 +static WebKitWebView*
 +createWebViewCb(WebKitWebView* webView, WebKitWebFrame* web_frame, GtkWidget* window)
 +{
 +    WebKitWebView *newWebView;
 +    createWindow(&newWebView);
 +    return newWebView;
 +}
 +
 +static gboolean webViewReadyCb(WebKitWebView* webView, GtkWidget* window)
 +{
 +    gtk_widget_grab_focus(GTK_WIDGET(webView));
 +    gtk_widget_show_all(window);
 +    return FALSE;
 +}
 +
 +static gboolean closeWebViewCb(WebKitWebView* webView, GtkWidget* window)
 +{
 +    gtk_widget_destroy(window);
 +    return TRUE;
 +}
 +
 +static useProxy(void)
 +{  
 +    SoupSession* session = webkit_get_default_session();
 +    if(session) {
 +       SoupURI *uri = soup_uri_new("http://127.0.0.1:3128");
 +       if(uri) {
 +          g_object_set(session, "proxy-uri", uri, NULL);
 +          soup_uri_free(uri);
 +       }
 +    }
 +}
 +
 +static GtkWidget* createBrowser(GtkWidget* window, GtkWidget* uriEntry, GtkWidget* statusbar, WebKitWebView* webView)
 +{
 +    GtkWidget *scrolledWindow = gtk_scrolled_window_new(NULL, NULL);
 +    gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scrolledWindow), GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC);
 +
 +    gtk_container_add(GTK_CONTAINER(scrolledWindow), GTK_WIDGET(webView));
 +
 +    g_signal_connect(webView, "notify::title", G_CALLBACK(notifyTitleCb), window);
 +    g_signal_connect(webView, "notify::load-status", G_CALLBACK(notifyLoadStatusCb), uriEntry);
 +    g_signal_connect(webView, "notify::progress", G_CALLBACK(notifyProgressCb), window);
 +    g_signal_connect(webView, "hovering-over-link", G_CALLBACK(linkHoverCb), statusbar);
 +    g_signal_connect(webView, "create-web-view", G_CALLBACK(createWebViewCb), window);
 +    g_signal_connect(webView, "web-view-ready", G_CALLBACK(webViewReadyCb), window);
 +    g_signal_connect(webView, "close-web-view", G_CALLBACK(closeWebViewCb), window);
 +
 +    useProxy();
 +
 +    return scrolledWindow;
 +}
 +
 +static GtkWidget* createStatusbar()
 +{
 +    GtkStatusbar *statusbar = GTK_STATUSBAR(gtk_statusbar_new());
 +    guint statusContextId = gtk_statusbar_get_context_id(statusbar, "Link Hover");
 +    g_object_set_data(G_OBJECT(statusbar), "link-hover-context",
 +        GUINT_TO_POINTER(statusContextId));
 +
 +    return GTK_WIDGET(statusbar);
 +}
 +
 +static GtkWidget* createToolbar(GtkWidget* uriEntry, WebKitWebView* webView)
 +{
 +    GtkWidget *toolbar = gtk_toolbar_new();
 +
 +#if GTK_CHECK_VERSION(2, 15, 0)
 +    gtk_orientable_set_orientation(GTK_ORIENTABLE(toolbar), GTK_ORIENTATION_HORIZONTAL);
 +#else
 +    gtk_toolbar_set_orientation(GTK_TOOLBAR(toolbar), GTK_ORIENTATION_HORIZONTAL);
 +#endif
 +    gtk_toolbar_set_style(GTK_TOOLBAR(toolbar), GTK_TOOLBAR_BOTH_HORIZ);
 +
 +    GtkToolItem *item;
 +
 +    /* the back button */
 +    item = gtk_tool_button_new_from_stock(GTK_STOCK_GO_BACK);
 +    g_signal_connect(G_OBJECT(item), "clicked", G_CALLBACK(goBackCb), webView);
 +    gtk_toolbar_insert(GTK_TOOLBAR(toolbar), item, -1);
 +
 +    /* The forward button */
 +    item = gtk_tool_button_new_from_stock(GTK_STOCK_GO_FORWARD);
 +    g_signal_connect(G_OBJECT(item), "clicked", G_CALLBACK(goForwardCb), webView);
 +    gtk_toolbar_insert(GTK_TOOLBAR(toolbar), item, -1);
 +
 +    /* The URL entry */
 +    item = gtk_tool_item_new();
 +    gtk_tool_item_set_expand(item, TRUE);
 +    gtk_container_add(GTK_CONTAINER(item), uriEntry);
 +    g_signal_connect(G_OBJECT(uriEntry), "activate", G_CALLBACK(activateUriEntryCb), NULL);
 +    gtk_toolbar_insert(GTK_TOOLBAR(toolbar), item, -1);
 +
 +    /* The go button */
 +    g_object_set_data(G_OBJECT(uriEntry), "web-view", webView);
 +    item = gtk_tool_button_new_from_stock(GTK_STOCK_OK);
 +    g_signal_connect_swapped(G_OBJECT(item), "clicked", G_CALLBACK(activateUriEntryCb), (gpointer)uriEntry);
 +    gtk_toolbar_insert(GTK_TOOLBAR(toolbar), item, -1);
 +
 +    item = gtk_tool_button_new_from_stock(GTK_STOCK_CLOSE);
 +    g_signal_connect_swapped(G_OBJECT(item), "clicked", G_CALLBACK(closeCb), (gpointer)uriEntry);
 +    gtk_toolbar_insert(GTK_TOOLBAR(toolbar), item, -1);
 +
 +    return toolbar;
 +}
 +
 +static GtkWidget* createWindow(WebKitWebView** outWebView)
 +{
 +    WebKitWebView *webView;
 +    GtkWidget *vbox;
 +    GtkWidget *window;
 +    GtkWidget *uriEntry;
 +    GtkWidget *statusbar;
 +
 +    g_atomic_int_inc(&windowCount);
 +
 +    window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
 +    gtk_window_set_default_size(GTK_WINDOW(window), 1024, 768);
 +    gtk_widget_set_size_request(window, 1024, 768);
 +    gtk_widget_set_name(window, "GtkLauncher");
 +
 +    webView = WEBKIT_WEB_VIEW(webkit_web_view_new());
 +    uriEntry = gtk_entry_new();
 +
 +    vbox = gtk_vbox_new(FALSE, 0);
 +    statusbar = createStatusbar(webView);
 +    gtk_box_pack_start(GTK_BOX(vbox), createToolbar(uriEntry, webView), FALSE, FALSE, 0);
 +    gtk_box_pack_start(GTK_BOX(vbox), createBrowser(window, uriEntry, statusbar, webView), TRUE, TRUE, 0);
 +    gtk_box_pack_start(GTK_BOX(vbox), statusbar, FALSE, FALSE, 0);
 +
 +    gtk_container_add(GTK_CONTAINER(window), vbox);
 +
 +    g_signal_connect(window, "destroy", G_CALLBACK(destroyCb), NULL);
 +
 +    gtk_window_set_resizable(GTK_WINDOW(window), FALSE);
 +
 +    if (outWebView)
 +        *outWebView = webView;
 +
 +    return window;
 +}
 +
 +static gchar* filenameToURL(const char* filename)
 +{
 +    if (!g_file_test(filename, G_FILE_TEST_EXISTS))
 +        return 0;
 +
 +    GFile *gfile = g_file_new_for_path(filename);
 +    gchar *fileURL = g_file_get_uri(gfile);
 +    g_object_unref(gfile);
 +
 +    return fileURL;
 +}
 +
 +#ifndef GTK_API_VERSION_2
 +static void disablePlugin(const char* pluginName)
 +{
 +    WebKitWebPluginDatabase *database = webkit_get_web_plugin_database();
 +    GSList *plugins = webkit_web_plugin_database_get_plugins(database);
 +    GSList *p;
 +
 +    for (p = plugins; p; p = g_slist_next(p)) {
 +        WebKitWebPlugin *plugin = WEBKIT_WEB_PLUGIN(p->data);
 +
 +        if (!g_strcmp0(webkit_web_plugin_get_name(plugin), pluginName))
 +            webkit_web_plugin_set_enabled(plugin, FALSE);
 +    }
 +
 +    webkit_web_plugin_database_plugins_list_free(plugins);
 +}
 +#endif
 +int main(int argc, char* argv[])
 +{
 +    WebKitWebView *webView;
 +    GtkWidget *main_window;
 +
 +    gtk_init(&argc, &argv);
 +    if (!g_thread_supported())
 +        g_thread_init(NULL);
 +
 +#ifndef GTK_API_VERSION_2
 +    disablePlugin("Shockwave Flash");
 +#endif
 +
 +    main_window = createWindow(&webView);
 +
 +    gchar *uri =(gchar*)(argc > 1 ? argv[1] : "http://www.google.com/");
 +    gchar *fileURL = filenameToURL(uri);
 +
 +    webkit_web_view_load_uri(webView, fileURL ? fileURL : uri);
 +    g_free(fileURL);
 +
 +    gtk_widget_grab_focus(GTK_WIDGET(webView));
 +    gtk_widget_show_all(main_window);
 +    gtk_main();
 +
 +    return 0;
 +}
 +
 +</code>
 +
 +====== Makefile ======
 +<code bash>
 +all: GtkLauncher
 +
 +GtkLauncher: main.c
 + gcc -DGTK_API_VERSION_2 -o GtkLauncher main.c `pkg-config --cflags --libs webkit-1.0` 
 +
 +
 +install: GtkLauncher
 + install GtkLauncher /opt/
 +
 +clean:
 + rm -f GtkLauncher
 +</code>
 +
  
gtklauncher.txt · Dernière modification: 2023/07/18 23:11 (modification externe)

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