diff options
Diffstat (limited to 'gtk/tabs.c')
| -rw-r--r-- | gtk/tabs.c | 217 |
1 files changed, 217 insertions, 0 deletions
diff --git a/gtk/tabs.c b/gtk/tabs.c new file mode 100644 index 000000000..07e6b3365 --- /dev/null +++ b/gtk/tabs.c @@ -0,0 +1,217 @@ +/* + * 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 <string.h> +#include "gtk/window.h" +#include "gtk/gui.h" +#include "desktop/browser.h" +#include "content/content.h" +#include "desktop/options.h" +#include "desktop/search.h" +#include "utils/utils.h" +#include "gtk/options.h" +#include "gtk/search.h" +#include "gtk/tabs.h" + +#define TAB_WIDTH_N_CHARS 15 + +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, gpointer *page, + gint page_num); + +void nsgtk_tab_options_changed(GtkWidget *tabs) +{ + nsgtk_tab_visibility_update(GTK_NOTEBOOK(tabs), NULL, 0); +} + +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); + nsgtk_tab_options_changed(tabs); +} + +void nsgtk_tab_add(struct gui_window *window, GtkWidget *tab_contents, bool background) +{ + GtkWidget *tabs = GTK_WIDGET(nsgtk_scaffolding_notebook( + nsgtk_get_scaffold(window))); + GtkWidget *tabBox = nsgtk_tab_label_setup(window); + gint remember = gtk_notebook_get_current_page(GTK_NOTEBOOK(tabs)); + gtk_notebook_append_page(GTK_NOTEBOOK(tabs), tab_contents, tabBox); + /*causes gtk errors can't set a parent */ + gtk_notebook_set_tab_reorderable(GTK_NOTEBOOK(tabs), + tab_contents, + true); + gtk_widget_show_all(tab_contents); + gtk_notebook_set_current_page(GTK_NOTEBOOK(tabs), + gtk_notebook_get_n_pages(GTK_NOTEBOOK(tabs)) - 1); + if (option_new_blank) { + /*char *blankpage = malloc(strlen(res_dir_location) + + SLEN("file:///blankpage") + 1); + blankpage = g_strconcat("file:///", res_dir_location, + "blankpage", NULL); */ + /* segfaults + struct browser_window *bw = + gui_window_get_browser_window(window); + browser_window_go(bw, blankpage, 0, true); */ + /* free(blankpage); */ + } + if (background) + gtk_notebook_set_current_page(GTK_NOTEBOOK(tabs), remember); + gtk_widget_grab_focus(GTK_WIDGET(nsgtk_scaffolding_urlbar( + nsgtk_get_scaffold(window)))); +} + +void nsgtk_tab_visibility_update(GtkNotebook *notebook, GtkWidget *child, + guint page) +{ + gint num_pages = gtk_notebook_get_n_pages(notebook); + if (option_show_single_tab == true || num_pages > 1) + gtk_notebook_set_show_tabs(notebook, TRUE); + else + gtk_notebook_set_show_tabs(notebook, FALSE); +} + +void nsgtk_tab_set_title(struct gui_window *g, const char *title) +{ + GtkWidget *label; + GtkWidget *tab; + tab = nsgtk_window_get_tab(g); + gboolean is_top_level = (tab != NULL); + + if (is_top_level) { + label = g_object_get_data(G_OBJECT(tab), "label"); + gtk_label_set_text(GTK_LABEL(label), title); + gtk_widget_set_tooltip_text(tab, title); + } +} + +GtkWidget *nsgtk_tab_label_setup(struct gui_window *window) +{ + GtkWidget *hbox, *label, *button, *close; + GtkRcStyle *rcstyle; + + hbox = gtk_hbox_new(FALSE, 2); + + if (option_new_blank == true) + label = gtk_label_new("New Tab"); + else + 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."); + + rcstyle = gtk_rc_style_new(); + rcstyle->xthickness = rcstyle->ythickness = 0; + gtk_widget_modify_style(button, rcstyle); + g_object_unref(rcstyle); + + 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); + + nsgtk_window_set_tab(window, 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; + 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, gpointer *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 == NULL) + return; + struct browser_window *bw = gui_window_get_browser_window(gw); + if (bw == NULL) + return; + if (bw->search_context != NULL) + search_destroy_context(bw->search_context); + nsgtk_search_set_forward_state(true, bw); + nsgtk_search_set_back_state(true, bw); + nsgtk_scaffolding_set_top_level(gw); +} + +void nsgtk_tab_close_current(GtkNotebook *notebook) +{ + gint curr_page = gtk_notebook_get_current_page(notebook); + GtkWidget *window = gtk_notebook_get_nth_page(notebook, curr_page); + struct gui_window *gw = g_object_get_data(G_OBJECT(window), + "gui_window"); + + if (gtk_notebook_get_n_pages(notebook) < 2) + return; /* wicked things happen if we close the last tab */ + + nsgtk_window_destroy_browser(gw); + /* deletes 2 notebook tabs at a time! + gtk_notebook_remove_page(notebook, curr_page); */ +} |