WebKitTools/GtkLauncher/main.cpp

   1 #include "webkitgtkpage.h"
   2 #include "webkitgtkglobal.h"
   3
   4 #include <gtk/gtk.h>
   5
   6 #include <string.h>
   7
   8 static GtkWidget* gURLBarEntry;
   9 static GtkWidget* gTopLevelWindow;
  10 static GtkStatusbar* gStatusbar;
  11 static WebKitPage* gPage;
  12 static gchar* gTitle;
  13 static gint gProgress;
  14 static guint gStatusbarContextId;
  15
  16 static gchar* autocorrectURL(const gchar* url)
  17 {
  18     if (strncmp("http://", url, 7) != 0 && strncmp("https://", url, 8) != 0 && strncmp("file://", url, 7) != 0 && strncmp("ftp://", url, 6) != 0) {
  19         GString* string = g_string_new("http://");
  20         g_string_append(string, url);
  21         return g_string_free(string, FALSE);
  22     }
  23
  24     return g_strdup(url);
  25 }
  26
  27 static void goToURLBarText(GtkWidget* urlBarEntry)
  28 {
  29     const gchar* url = gtk_entry_get_text(GTK_ENTRY(urlBarEntry));
  30     if (!url || strlen(url) == 0)
  31         return;
  32
  33     gchar* parsedURL = autocorrectURL(url);
  34     webkit_page_open(gPage, parsedURL);
  35     g_free(parsedURL);
  36 }
  37
  38 static void goButtonClickedCallback(GtkWidget*, GtkWidget* entry)
  39 {
  40     goToURLBarText(entry);
  41 }
  42
  43 static void urlBarEnterCallback(GtkWidget*, GtkWidget* entry)
  44 {
  45     goToURLBarText(entry);
  46 }
  47
  48 static void updateWindowTitle()
  49 {
  50     GString* string = g_string_new(NULL);
  51     g_string_printf(string, "GtkLauncher %s  (%d/100)", gTitle, gProgress);
  52     gchar* title = g_string_free(string, FALSE);
  53     gtk_window_set_title(GTK_WINDOW(gTopLevelWindow), title);
  54     g_free(title);
  55 }
  56
  57 static void hoveringOverLink(WebKitPage*, const gchar*, const gchar* link, void*)
  58 {
  59     // underflow is allowed
  60     gtk_statusbar_pop(gStatusbar, gStatusbarContextId);
  61     if (link)
  62         gtk_statusbar_push(gStatusbar, gStatusbarContextId, link);
  63 }
  64
  65 static void titleChanged(WebKitPage*, const gchar* title, const gchar* url, WebKitPage*)
  66 {
  67     gtk_entry_set_text(GTK_ENTRY(gURLBarEntry), url);
  68
  69     if (gTitle)
  70         g_free(gTitle);
  71     gTitle = g_strdup(title);
  72     updateWindowTitle();
  73 }
  74
  75 static void progressChanged(WebKitPage*, gint progress, WebKitPage*)
  76 {
  77     gProgress = progress;
  78     updateWindowTitle();
  79 }
  80
  81 static void frameDestroyCallback(GtkWidget*, gpointer)
  82 {
  83     gtk_main_quit();
  84 }
  85
  86 static void menuMainBackCallback(gpointer data)
  87 {
  88     g_assert(!data);
  89     webkit_page_go_backward(gPage);
  90 }
  91
  92 static void menuMainForwardCallback(gpointer data)
  93 {
  94     g_assert(!data);
  95     webkit_page_go_forward(gPage);
  96 }
  97
  98 static void menuMainQuitCallback(gpointer)
  99 {
 100     gtk_main_quit();
 101 }
 102
 103 static GtkWidget* setupMainMenu()
 104 {
 105     GtkWidget* menuMain = gtk_menu_new();
 106     GtkWidget* menuMainBack = gtk_menu_item_new_with_label("Back");
 107     gtk_menu_shell_append(GTK_MENU_SHELL(menuMain), menuMainBack);
 108     g_signal_connect_swapped(G_OBJECT(menuMainBack), "activate", G_CALLBACK(menuMainBackCallback), NULL);
 109     gtk_widget_show(menuMainBack);
 110
 111     GtkWidget* menuMainForward = gtk_menu_item_new_with_label("Forward");
 112     gtk_menu_shell_append(GTK_MENU_SHELL(menuMain), menuMainForward);
 113     g_signal_connect_swapped(G_OBJECT(menuMainForward), "activate", G_CALLBACK(menuMainForwardCallback), NULL);
 114     gtk_widget_show(menuMainForward);
 115
 116     GtkWidget* menuMainQuit = gtk_menu_item_new_with_label("Quit");
 117     gtk_menu_shell_append(GTK_MENU_SHELL(menuMain), menuMainQuit);
 118     g_signal_connect_swapped(G_OBJECT(menuMainQuit), "activate", G_CALLBACK(menuMainQuitCallback), NULL);
 119     gtk_widget_show(menuMainQuit);
 120
 121     GtkWidget* menuMainRoot = gtk_menu_item_new_with_label("Main");
 122     gtk_widget_show(menuMainRoot);
 123     gtk_menu_item_set_submenu(GTK_MENU_ITEM(menuMainRoot), menuMain);
 124
 125     return menuMainRoot;
 126 }
 127
 128 static void setupMainWindowUI()
 129 {
 130     GtkWidget* menuMainRoot = setupMainMenu();
 131
 132     GtkWidget* menuBar = gtk_menu_bar_new();
 133     gtk_menu_shell_append(GTK_MENU_SHELL(menuBar), menuMainRoot);
 134
 135     gTopLevelWindow = gtk_window_new(GTK_WINDOW_TOPLEVEL);
 136     gtk_window_set_default_size(GTK_WINDOW(gTopLevelWindow), 800, 600);
 137     gtk_widget_set_name(gTopLevelWindow, "GtkLauncher");
 138     GtkWidget* vbox = gtk_vbox_new(FALSE, 0);
 139     gtk_container_add(GTK_CONTAINER(gTopLevelWindow), vbox);
 140     g_signal_connect(G_OBJECT(gTopLevelWindow), "destroy", G_CALLBACK(frameDestroyCallback), NULL);
 141
 142     GtkWidget* hbox = gtk_hbox_new(FALSE, 2);
 143     gtk_box_pack_start(GTK_BOX(vbox), menuBar, FALSE, FALSE, 0);
 144     gtk_box_pack_start(GTK_BOX(vbox), hbox, FALSE, FALSE, 0);
 145
 146     gURLBarEntry = gtk_entry_new();
 147     g_signal_connect(G_OBJECT(gURLBarEntry), "activate", G_CALLBACK(urlBarEnterCallback), (gpointer)gURLBarEntry);
 148     gtk_box_pack_start(GTK_BOX(hbox), gURLBarEntry, TRUE, TRUE, 0);
 149
 150     GtkWidget* urlBarSubmitButton = gtk_button_new_with_label("Go");
 151     gtk_box_pack_start(GTK_BOX(hbox), urlBarSubmitButton, FALSE, FALSE, 0);
 152     g_signal_connect(G_OBJECT(urlBarSubmitButton), "clicked", G_CALLBACK(goButtonClickedCallback), (gpointer)gURLBarEntry);
 153     gtk_widget_show(vbox);
 154
 155     GtkWidget* scrolledWindow = gtk_scrolled_window_new(NULL,NULL);
 156     gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scrolledWindow),
 157                                    GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC);
 158
 159
 160     gPage = WEBKIT_PAGE(webkit_page_new());
 161     gtk_container_add(GTK_CONTAINER(scrolledWindow), GTK_WIDGET(gPage));
 162     gtk_box_pack_start(GTK_BOX(vbox), scrolledWindow, TRUE, TRUE, 0);
 163
 164     gStatusbar = GTK_STATUSBAR(gtk_statusbar_new());
 165     gStatusbarContextId = gtk_statusbar_get_context_id(gStatusbar, "Link Hover");
 166     gtk_box_pack_start(GTK_BOX(vbox), GTK_WIDGET(gStatusbar), FALSE, FALSE, 0);
 167
 168     g_signal_connect(gPage, "title-changed", G_CALLBACK(titleChanged), gPage);
 169     g_signal_connect(gPage, "load-progress-changed", G_CALLBACK(progressChanged), gPage);
 170     g_signal_connect(gPage, "hovering-over-link", G_CALLBACK(hoveringOverLink), gPage);
 171 }
 172
 173 int main(int argc, char* argv[])
 174 {
 175     gtk_init(&argc, &argv);
 176     webkit_init();
 177
 178     gchar* url = autocorrectURL((argc > 1) ? argv[1] : "http://www.google.com");
 179
 180     setupMainWindowUI();
 181
 182     webkit_page_open(gPage, url);
 183
 184     gtk_widget_show_all(gTopLevelWindow);
 185     g_free(url);
 186     gtk_main();
 187     return 0;
 188 }
 189