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