pidgin/pidgin

closing merged branch
port-changes-from-branch-2.x.y-to-default
13 months ago, Gary Kramlich
2f836435c33c
closing merged branch
/* pidgin
*
* Pidgin is the legal property of its developers, whose names are too numerous
* to list here. Please refer to the COPYRIGHT file distributed with this
* source distribution.
*
* This program 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; either version 2 of the License, or
* (at your option) any later version.
*
* This program 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, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02111-1301 USA
*/
#include "gtkscrollbook.h"
static void pidgin_scroll_book_init (PidginScrollBook *scroll_book);
static void pidgin_scroll_book_class_init (PidginScrollBookClass *klass);
static void pidgin_scroll_book_forall (GtkContainer *c,
gboolean include_internals,
GtkCallback callback,
gpointer user_data);
GType
pidgin_scroll_book_get_type (void)
{
static GType scroll_book_type = 0;
if (!scroll_book_type)
{
static const GTypeInfo scroll_book_info =
{
sizeof (PidginScrollBookClass),
NULL, /* base_init */
NULL, /* base_finalize */
(GClassInitFunc) pidgin_scroll_book_class_init,
NULL, /* class_finalize */
NULL, /* class_data */
sizeof (PidginScrollBook),
0,
(GInstanceInitFunc) pidgin_scroll_book_init,
NULL /* value_table */
};
scroll_book_type = g_type_register_static(GTK_TYPE_BOX,
"PidginScrollBook",
&scroll_book_info,
0);
}
return scroll_book_type;
}
static gboolean
scroll_left_cb(PidginScrollBook *scroll_book, GdkEventButton *event)
{
int index;
if (event->type != GDK_BUTTON_PRESS)
return FALSE;
index = gtk_notebook_get_current_page(GTK_NOTEBOOK(scroll_book->notebook));
if (index > 0)
gtk_notebook_set_current_page(GTK_NOTEBOOK(scroll_book->notebook), index - 1);
return TRUE;
}
static gboolean
scroll_right_cb(PidginScrollBook *scroll_book, GdkEventButton *event)
{
int index, count;
if (event->type != GDK_BUTTON_PRESS)
return FALSE;
index = gtk_notebook_get_current_page(GTK_NOTEBOOK(scroll_book->notebook));
count = gtk_notebook_get_n_pages(GTK_NOTEBOOK(scroll_book->notebook));
if (index + 1 < count)
gtk_notebook_set_current_page(GTK_NOTEBOOK(scroll_book->notebook), index + 1);
return TRUE;
}
static void
refresh_scroll_box(PidginScrollBook *scroll_book, int index, int count)
{
char *label;
gtk_widget_show_all(GTK_WIDGET(scroll_book));
if (count < 1)
gtk_widget_hide(scroll_book->hbox);
else {
gtk_widget_show_all(scroll_book->hbox);
if (count == 1) {
gtk_widget_hide(scroll_book->label);
gtk_widget_hide(scroll_book->left_arrow);
gtk_widget_hide(scroll_book->right_arrow);
}
}
label = g_strdup_printf("<span size='smaller' weight='bold'>(%d/%d)</span>", index+1, count);
gtk_label_set_markup(GTK_LABEL(scroll_book->label), label);
g_free(label);
if (index == 0)
gtk_widget_set_sensitive(scroll_book->left_arrow, FALSE);
else
gtk_widget_set_sensitive(scroll_book->left_arrow, TRUE);
if (index + 1 == count)
gtk_widget_set_sensitive(scroll_book->right_arrow, FALSE);
else
gtk_widget_set_sensitive(scroll_book->right_arrow, TRUE);
}
static void
page_count_change_cb(PidginScrollBook *scroll_book)
{
int count;
int index = gtk_notebook_get_current_page(GTK_NOTEBOOK(scroll_book->notebook));
count = gtk_notebook_get_n_pages(GTK_NOTEBOOK(scroll_book->notebook));
refresh_scroll_box(scroll_book, index, count);
}
static gboolean
scroll_close_cb(PidginScrollBook *scroll_book, GdkEventButton *event)
{
if (event->type == GDK_BUTTON_PRESS)
gtk_widget_destroy(gtk_notebook_get_nth_page(GTK_NOTEBOOK(scroll_book->notebook), gtk_notebook_get_current_page(GTK_NOTEBOOK(scroll_book->notebook))));
return FALSE;
}
static void
switch_page_cb(GtkNotebook *notebook, GtkWidget *page, guint page_num, PidginScrollBook *scroll_book)
{
int count;
count = gtk_notebook_get_n_pages(GTK_NOTEBOOK(scroll_book->notebook));
refresh_scroll_box(scroll_book, page_num, count);
}
static void
pidgin_scroll_book_add(GtkContainer *container, GtkWidget *widget)
{
PidginScrollBook *scroll_book;
g_return_if_fail(GTK_IS_WIDGET (widget));
g_return_if_fail(gtk_widget_get_parent(widget) == NULL);
scroll_book = PIDGIN_SCROLL_BOOK(container);
scroll_book->children = g_list_append(scroll_book->children, widget);
gtk_widget_show(widget);
gtk_notebook_append_page(GTK_NOTEBOOK(scroll_book->notebook), widget, NULL);
page_count_change_cb(PIDGIN_SCROLL_BOOK(container));
}
static void
pidgin_scroll_book_remove(GtkContainer *container, GtkWidget *widget)
{
int page;
PidginScrollBook *scroll_book;
g_return_if_fail(GTK_IS_WIDGET(widget));
scroll_book = PIDGIN_SCROLL_BOOK(container);
scroll_book->children = g_list_remove(scroll_book->children, widget);
/* gtk_widget_unparent(widget); */
page = gtk_notebook_page_num(GTK_NOTEBOOK(PIDGIN_SCROLL_BOOK(container)->notebook), widget);
if (page >= 0) {
gtk_notebook_remove_page(GTK_NOTEBOOK(PIDGIN_SCROLL_BOOK(container)->notebook), page);
}
}
static void
pidgin_scroll_book_forall(GtkContainer *container,
gboolean include_internals,
GtkCallback callback,
gpointer callback_data)
{
#if 0
GList *children;
#endif
PidginScrollBook *scroll_book;
g_return_if_fail(GTK_IS_CONTAINER(container));
scroll_book = PIDGIN_SCROLL_BOOK(container);
if (include_internals) {
(*callback)(scroll_book->hbox, callback_data);
(*callback)(scroll_book->notebook, callback_data);
}
#if 0
children = scroll_book->children;
while (children) {
GtkWidget *child;
child = children->data;
children = children->next;
(*callback)(child, callback_data);
}
#endif
}
static void
pidgin_scroll_book_class_init (PidginScrollBookClass *klass)
{
GtkContainerClass *container_class = (GtkContainerClass*)klass;
container_class->add = pidgin_scroll_book_add;
container_class->remove = pidgin_scroll_book_remove;
container_class->forall = pidgin_scroll_book_forall;
}
static gboolean
close_button_left_cb(GtkWidget *widget, GdkEventCrossing *event, GtkLabel *label)
{
static GdkCursor *ptr = NULL;
if (ptr == NULL) {
GdkDisplay *display = gtk_widget_get_display(widget);
ptr = gdk_cursor_new_for_display(display, GDK_LEFT_PTR);
}
gtk_label_set_markup(label, "×");
gdk_window_set_cursor(event->window, ptr);
return FALSE;
}
static gboolean
close_button_entered_cb(GtkWidget *widget, GdkEventCrossing *event, GtkLabel *label)
{
static GdkCursor *hand = NULL;
if (hand == NULL) {
GdkDisplay *display = gtk_widget_get_display(widget);
hand = gdk_cursor_new_for_display(display, GDK_HAND2);
}
gtk_label_set_markup(label, "<u>×</u>");
gdk_window_set_cursor(event->window, hand);
return FALSE;
}
static void
pidgin_scroll_book_init (PidginScrollBook *scroll_book)
{
const gchar *left_arrow_icon_names[] = {
"pan-start-symbolic",
"pan-left-symbolic",
};
const gchar *right_arrow_icon_names[] = {
"pan-end-symbolic",
"pan-right-symbolic",
};
GIcon *icon;
GtkWidget *eb;
GtkWidget *close_button;
gtk_orientable_set_orientation(GTK_ORIENTABLE(scroll_book), GTK_ORIENTATION_VERTICAL);
scroll_book->hbox = gtk_box_new(GTK_ORIENTATION_HORIZONTAL, 0);
/* Close */
eb = gtk_event_box_new();
gtk_box_pack_end(GTK_BOX(scroll_book->hbox), eb, FALSE, FALSE, 0);
gtk_event_box_set_visible_window(GTK_EVENT_BOX(eb), FALSE);
gtk_widget_set_events(eb, GDK_ENTER_NOTIFY_MASK | GDK_LEAVE_NOTIFY_MASK);
close_button = gtk_label_new("×");
g_signal_connect(G_OBJECT(eb), "enter-notify-event", G_CALLBACK(close_button_entered_cb), close_button);
g_signal_connect(G_OBJECT(eb), "leave-notify-event", G_CALLBACK(close_button_left_cb), close_button);
gtk_container_add(GTK_CONTAINER(eb), close_button);
g_signal_connect_swapped(G_OBJECT(eb), "button-press-event", G_CALLBACK(scroll_close_cb), scroll_book);
/* Right arrow */
eb = gtk_event_box_new();
gtk_box_pack_end(GTK_BOX(scroll_book->hbox), eb, FALSE, FALSE, 0);
icon = g_themed_icon_new_from_names((char **)right_arrow_icon_names,
G_N_ELEMENTS(right_arrow_icon_names));
scroll_book->right_arrow =
gtk_image_new_from_gicon(icon, GTK_ICON_SIZE_BUTTON);
g_object_unref(icon);
gtk_container_add(GTK_CONTAINER(eb), scroll_book->right_arrow);
g_signal_connect_swapped(G_OBJECT(eb), "button-press-event", G_CALLBACK(scroll_right_cb), scroll_book);
/* Count */
scroll_book->label = gtk_label_new(NULL);
gtk_box_pack_end(GTK_BOX(scroll_book->hbox), scroll_book->label, FALSE, FALSE, 0);
/* Left arrow */
eb = gtk_event_box_new();
gtk_box_pack_end(GTK_BOX(scroll_book->hbox), eb, FALSE, FALSE, 0);
icon = g_themed_icon_new_from_names((char **)left_arrow_icon_names,
G_N_ELEMENTS(left_arrow_icon_names));
scroll_book->left_arrow =
gtk_image_new_from_gicon(icon, GTK_ICON_SIZE_BUTTON);
g_object_unref(icon);
gtk_container_add(GTK_CONTAINER(eb), scroll_book->left_arrow);
g_signal_connect_swapped(G_OBJECT(eb), "button-press-event", G_CALLBACK(scroll_left_cb), scroll_book);
gtk_box_pack_start(GTK_BOX(scroll_book), scroll_book->hbox, FALSE, FALSE, 0);
scroll_book->notebook = gtk_notebook_new();
gtk_notebook_set_show_tabs(GTK_NOTEBOOK(scroll_book->notebook), FALSE);
gtk_notebook_set_show_border(GTK_NOTEBOOK(scroll_book->notebook), FALSE);
gtk_box_pack_start(GTK_BOX(scroll_book), scroll_book->notebook, TRUE, TRUE, 0);
g_signal_connect_swapped(G_OBJECT(scroll_book->notebook), "remove", G_CALLBACK(page_count_change_cb), scroll_book);
g_signal_connect(G_OBJECT(scroll_book->notebook), "switch-page", G_CALLBACK(switch_page_cb), scroll_book);
gtk_widget_show_all(scroll_book->notebook);
}
GtkWidget *
pidgin_scroll_book_new()
{
return g_object_new(PIDGIN_TYPE_SCROLL_BOOK, NULL);
}