diff options
Diffstat (limited to 'gtk/gtk_tabs.c')
| -rw-r--r-- | gtk/gtk_tabs.c | 154 |
1 files changed, 154 insertions, 0 deletions
diff --git a/gtk/gtk_tabs.c b/gtk/gtk_tabs.c new file mode 100644 index 000000000..6595086ca --- /dev/null +++ b/gtk/gtk_tabs.c @@ -0,0 +1,154 @@ +/* + * Copyright 2008 Michael Lester <element3260@gmail.com> + * + * This file is part of NetSurf, http://www.netsurf-browser.org/ + * + * NetSurf is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * NetSurf is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/>. + */ + +#include <glade/glade.h> +#include "gtk/gtk_window.h" +#include "gtk/gtk_gui.h" +#include "desktop/browser.h" +#include "content/content.h" + +#define TAB_WIDTH_N_CHARS 15 +#define GET_WIDGET(x) glade_xml_get_widget(gladeWindows, (x)) + +static GtkWidget *nsgtk_tab_label_setup(struct gui_window *window); +static void nsgtk_tab_visibility_update(GtkNotebook *notebook, GtkWidget *child, + guint page); +static void nsgtk_tab_update_size(GtkWidget *hbox, GtkStyle *previous_style, + GtkWidget *close_button); + +static void nsgtk_tab_page_changed(GtkNotebook *notebook, GtkNotebookPage *page, + gint page_num); + +void nsgtk_tab_init(GtkWidget *tabs) +{ + g_signal_connect(tabs, "switch-page", + G_CALLBACK(nsgtk_tab_page_changed), NULL); + + g_signal_connect(tabs, "page-removed", + G_CALLBACK(nsgtk_tab_visibility_update), NULL); + g_signal_connect(tabs, "page-added", + G_CALLBACK(nsgtk_tab_visibility_update), NULL); +} + +void nsgtk_tab_add(struct gui_window *window) +{ + GtkWidget *scrollbar; + GtkNotebook *tabs = nsgtk_scaffolding_get_notebook(window); + + GtkWidget *tabBox = nsgtk_tab_label_setup(window); + gint page = gtk_notebook_append_page(tabs, + GTK_WIDGET(window->scrolledwindow), tabBox); + + gtk_widget_show_all(GTK_WIDGET(window->scrolledwindow)); + gtk_notebook_set_current_page(tabs, page); +} + +void nsgtk_tab_visibility_update(GtkNotebook *notebook, GtkWidget *child, + guint page) +{ + gint num_pages = gtk_notebook_get_n_pages(notebook); + gtk_notebook_set_show_tabs(notebook, num_pages - 1); +} + +void nsgtk_tab_set_title(struct gui_window *g, const char *title) +{ + GtkWidget *label; + gboolean is_top_level = (g->tab != NULL); + + if (is_top_level) { + label = g_object_get_data(G_OBJECT(g->tab), "label"); + gtk_label_set_text(GTK_LABEL(label), title); + + gtk_widget_set_tooltip_text(g->tab, title); + } +} + +GtkWidget *nsgtk_tab_label_setup(struct gui_window *window) +{ + GtkWidget *hbox, *label, *button, *close; + + hbox = gtk_hbox_new(FALSE, 2); + + label = gtk_label_new("Loading..."); + gtk_label_set_ellipsize(GTK_LABEL(label), PANGO_ELLIPSIZE_END); + gtk_label_set_single_line_mode(GTK_LABEL(label), TRUE); + gtk_misc_set_alignment(GTK_MISC(label), 0.0, 0.5); + gtk_misc_set_padding(GTK_MISC(label), 0, 0); + gtk_widget_show(label); + + button = gtk_button_new(); + close = gtk_image_new_from_stock("gtk-close", + GTK_ICON_SIZE_MENU); + gtk_container_add(GTK_CONTAINER(button), close); + gtk_button_set_focus_on_click(GTK_BUTTON(button), FALSE); + gtk_button_set_relief(GTK_BUTTON(button), GTK_RELIEF_NONE); + gtk_widget_set_tooltip_text(button, "Close this tab."); + + + g_signal_connect_swapped(button, "clicked", + G_CALLBACK(nsgtk_window_destroy_browser), window); + g_signal_connect(hbox, "style-set", + G_CALLBACK(nsgtk_tab_update_size), button); + + gtk_box_pack_start(GTK_BOX(hbox), label, TRUE, TRUE, 0); + gtk_box_pack_start(GTK_BOX(hbox), button, FALSE, FALSE, 0); + + g_object_set_data (G_OBJECT (hbox), "label", label); + g_object_set_data (G_OBJECT (hbox), "close-button", button); + + window->tab = hbox; + + gtk_widget_show_all(hbox); + return hbox; +} + +void nsgtk_tab_update_size(GtkWidget *hbox, GtkStyle *previous_style, + GtkWidget *close_button) +{ + PangoFontMetrics *metrics; + PangoContext *context; + GtkWidget *button; + int char_width, h, w; + + context = gtk_widget_get_pango_context (hbox); + metrics = pango_context_get_metrics (context, hbox->style->font_desc, + pango_context_get_language( + context)); + + char_width = pango_font_metrics_get_approximate_digit_width (metrics); + pango_font_metrics_unref (metrics); + + gtk_icon_size_lookup_for_settings (gtk_widget_get_settings (hbox), + GTK_ICON_SIZE_MENU, &w, &h); + + gtk_widget_set_size_request(hbox, + TAB_WIDTH_N_CHARS * PANGO_PIXELS(char_width) + 2 * w, + -1); + + gtk_widget_set_size_request(close_button, w + 4, h + 4); +} + +void nsgtk_tab_page_changed(GtkNotebook *notebook, GtkNotebookPage *page, + gint page_num) +{ + GtkWidget *window = gtk_notebook_get_nth_page(notebook, page_num); + struct gui_window *gw = g_object_get_data(G_OBJECT(window), + "gui_window"); + if (gw) + nsgtk_scaffolding_set_top_level(gw); +} |