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xed/xed/xed-notebook.c

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/*
* xed-notebook.c
* This file is part of xed
*
* Copyright (C) 2005 - Paolo Maggi
*
* 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 St, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
/*
* Modified by the xed Team, 2005. See the AUTHORS file for a
* list of people on the xed Team.
* See the ChangeLog files for a list of changes.
*/
/* This file is a modified version of the epiphany file ephy-notebook.c
* Here the relevant copyright:
*
* Copyright (C) 2002 Christophe Fergeau
* Copyright (C) 2003 Marco Pesenti Gritti
* Copyright (C) 2003, 2004 Christian Persch
*
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <glib-object.h>
#include <glib/gi18n.h>
#include <gtk/gtk.h>
#include "xed-notebook.h"
#include "xed-tab.h"
#include "xed-tab-label.h"
#include "xed-marshal.h"
#include "xed-window.h"
#define AFTER_ALL_TABS -1
#define NOT_IN_APP_WINDOWS -2
#define XED_NOTEBOOK_GET_PRIVATE(object)(G_TYPE_INSTANCE_GET_PRIVATE ((object), XED_TYPE_NOTEBOOK, XedNotebookPrivate))
struct _XedNotebookPrivate
{
GSettings *ui_settings;
GList *focused_pages;
gulong motion_notify_handler_id;
gint x_start;
gint y_start;
gint drag_in_progress : 1;
gint close_buttons_sensitive : 1;
gint tab_drag_and_drop_enabled : 1;
gint tab_scrolling_enabled : 1;
guint destroy_has_run : 1;
};
G_DEFINE_TYPE(XedNotebook, xed_notebook, GTK_TYPE_NOTEBOOK)
static void xed_notebook_finalize (GObject *object);
static gboolean xed_notebook_change_current_page (GtkNotebook *notebook,
gint offset);
static void move_current_tab_to_another_notebook (XedNotebook *src,
XedNotebook *dest,
GdkEventMotion *event,
gint dest_position);
/* Local variables */
static GdkCursor *cursor = NULL;
/* Signals */
enum
{
TAB_ADDED,
TAB_REMOVED,
TABS_REORDERED,
TAB_DETACHED,
TAB_CLOSE_REQUEST,
LAST_SIGNAL
};
static guint signals[LAST_SIGNAL] = { 0 };
static void
xed_notebook_dispose (GObject *object)
{
XedNotebook *notebook = XED_NOTEBOOK (object);
if (!notebook->priv->destroy_has_run)
{
GList *children, *l;
children = gtk_container_get_children (GTK_CONTAINER (notebook));
for (l = children; l != NULL; l = g_list_next (l))
{
xed_notebook_remove_tab (notebook, XED_TAB (l->data));
}
g_list_free (children);
notebook->priv->destroy_has_run = TRUE;
}
g_clear_object (&notebook->priv->ui_settings);
G_OBJECT_CLASS (xed_notebook_parent_class)->dispose (object);
}
static void
xed_notebook_class_init (XedNotebookClass *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
GtkNotebookClass *notebook_class = GTK_NOTEBOOK_CLASS (klass);
object_class->finalize = xed_notebook_finalize;
object_class->dispose = xed_notebook_dispose;
notebook_class->change_current_page = xed_notebook_change_current_page;
signals[TAB_ADDED] =
g_signal_new ("tab_added",
G_OBJECT_CLASS_TYPE (object_class),
G_SIGNAL_RUN_FIRST,
G_STRUCT_OFFSET (XedNotebookClass, tab_added),
NULL, NULL,
g_cclosure_marshal_VOID__OBJECT,
G_TYPE_NONE,
1,
XED_TYPE_TAB);
signals[TAB_REMOVED] =
g_signal_new ("tab_removed",
G_OBJECT_CLASS_TYPE (object_class),
G_SIGNAL_RUN_FIRST,
G_STRUCT_OFFSET (XedNotebookClass, tab_removed),
NULL, NULL,
g_cclosure_marshal_VOID__OBJECT,
G_TYPE_NONE,
1,
XED_TYPE_TAB);
signals[TAB_DETACHED] =
g_signal_new ("tab_detached",
G_OBJECT_CLASS_TYPE (object_class),
G_SIGNAL_RUN_FIRST,
G_STRUCT_OFFSET (XedNotebookClass, tab_detached),
NULL, NULL,
g_cclosure_marshal_VOID__OBJECT,
G_TYPE_NONE,
1,
XED_TYPE_TAB);
signals[TABS_REORDERED] =
g_signal_new ("tabs_reordered",
G_OBJECT_CLASS_TYPE (object_class),
G_SIGNAL_RUN_FIRST,
G_STRUCT_OFFSET (XedNotebookClass, tabs_reordered),
NULL, NULL,
g_cclosure_marshal_VOID__VOID,
G_TYPE_NONE,
0);
signals[TAB_CLOSE_REQUEST] =
g_signal_new ("tab-close-request",
G_OBJECT_CLASS_TYPE (object_class),
G_SIGNAL_RUN_LAST,
G_STRUCT_OFFSET (XedNotebookClass, tab_close_request),
NULL, NULL,
g_cclosure_marshal_VOID__OBJECT,
G_TYPE_NONE,
1,
XED_TYPE_TAB);
g_type_class_add_private (object_class, sizeof(XedNotebookPrivate));
}
static XedNotebook *
find_notebook_at_pointer (gint abs_x,
gint abs_y)
{
GdkWindow *win_at_pointer;
GdkWindow *toplevel_win;
gpointer toplevel = NULL;
gint x, y;
/* FIXME multi-head */
win_at_pointer = gdk_window_at_pointer (&x, &y);
if (win_at_pointer == NULL)
{
/* We are outside all windows of the same application */
return NULL;
}
toplevel_win = gdk_window_get_toplevel (win_at_pointer);
/* get the GtkWidget which owns the toplevel GdkWindow */
gdk_window_get_user_data (toplevel_win, &toplevel);
/* toplevel should be an XedWindow */
if ((toplevel != NULL) && XED_IS_WINDOW (toplevel))
{
return XED_NOTEBOOK (_xed_window_get_notebook (XED_WINDOW (toplevel)));
}
/* We are outside all windows containing a notebook */
return NULL;
}
static gboolean
is_in_notebook_window (XedNotebook *notebook,
gint abs_x,
gint abs_y)
{
XedNotebook *nb_at_pointer;
g_return_val_if_fail (notebook != NULL, FALSE);
nb_at_pointer = find_notebook_at_pointer (abs_x, abs_y);
return (nb_at_pointer == notebook);
}
static gint
find_tab_num_at_pos (XedNotebook *notebook,
gint abs_x,
gint abs_y)
{
GtkPositionType tab_pos;
int page_num = 0;
GtkNotebook *nb = GTK_NOTEBOOK (notebook);
GtkWidget *page;
tab_pos = gtk_notebook_get_tab_pos (GTK_NOTEBOOK (notebook));
/* For some reason unfullscreen + quick click can
cause a wrong click event to be reported to the tab */
if (!is_in_notebook_window (notebook, abs_x, abs_y))
{
return NOT_IN_APP_WINDOWS;
}
while ((page = gtk_notebook_get_nth_page (nb, page_num)) != NULL)
{
GtkAllocation allocation;
GtkWidget *tab;
gint min_x, min_y;
gint max_x, max_y;
gint x_root, y_root;
tab = gtk_notebook_get_tab_label (nb, page);
g_return_val_if_fail (tab != NULL, AFTER_ALL_TABS);
if (!gtk_widget_get_mapped (tab))
{
++page_num;
continue;
}
gdk_window_get_origin (GDK_WINDOW (gtk_widget_get_window (tab)), &x_root, &y_root);
gtk_widget_get_allocation(tab, &allocation);
min_x = x_root + allocation.x;
max_x = x_root + allocation.x + allocation.width;
min_y = y_root + allocation.y;
max_y = y_root + allocation.y + allocation.height;
if (((tab_pos == GTK_POS_TOP) ||
(tab_pos == GTK_POS_BOTTOM)) &&
(abs_x <= max_x) &&
(abs_y >= min_y) &&
(abs_y <= max_y))
{
return page_num;
}
else if (((tab_pos == GTK_POS_LEFT) ||
(tab_pos == GTK_POS_RIGHT)) &&
(abs_y <= max_y) &&
(abs_x >= min_x) &&
(abs_x <= max_x))
{
return page_num;
}
++page_num;
}
return AFTER_ALL_TABS;
}
static gint
find_notebook_and_tab_at_pos (gint abs_x,
gint abs_y,
XedNotebook **notebook,
gint *page_num)
{
*notebook = find_notebook_at_pointer (abs_x, abs_y);
if (*notebook == NULL)
{
return NOT_IN_APP_WINDOWS;
}
*page_num = find_tab_num_at_pos (*notebook, abs_x, abs_y);
if (*page_num < 0)
{
return *page_num;
}
else
{
return 0;
}
}
/**
* xed_notebook_move_tab:
* @src: a #XedNotebook
* @dest: a #XedNotebook
* @tab: a #XedTab
* @dest_position: the position for @tab
*
* Moves @tab from @src to @dest.
* If dest_position is greater than or equal to the number of tabs
* of the destination nootebook or negative, tab will be moved to the
* end of the tabs.
*/
void
xed_notebook_move_tab (XedNotebook *src,
XedNotebook *dest,
XedTab *tab,
gint dest_position)
{
g_return_if_fail (XED_IS_NOTEBOOK (src));
g_return_if_fail (XED_IS_NOTEBOOK (dest));
g_return_if_fail (src != dest);
g_return_if_fail (XED_IS_TAB (tab));
/* make sure the tab isn't destroyed while we move it */
g_object_ref (tab);
xed_notebook_remove_tab (src, tab);
xed_notebook_add_tab (dest, tab, dest_position, TRUE);
g_object_unref (tab);
}
/**
* xed_notebook_reorder_tab:
* @src: a #XedNotebook
* @tab: a #XedTab
* @dest_position: the position for @tab
*
* Reorders the page containing @tab, so that it appears in @dest_position position.
* If dest_position is greater than or equal to the number of tabs
* of the destination notebook or negative, tab will be moved to the
* end of the tabs.
*/
void
xed_notebook_reorder_tab (XedNotebook *src,
XedTab *tab,
gint dest_position)
{
gint old_position;
g_return_if_fail (XED_IS_NOTEBOOK (src));
g_return_if_fail (XED_IS_TAB (tab));
old_position = gtk_notebook_page_num (GTK_NOTEBOOK (src), GTK_WIDGET (tab));
if (old_position == dest_position)
{
return;
}
gtk_notebook_reorder_child (GTK_NOTEBOOK (src), GTK_WIDGET (tab), dest_position);
if (!src->priv->drag_in_progress)
{
g_signal_emit (G_OBJECT (src), signals[TABS_REORDERED], 0);
}
}
static void
drag_start (XedNotebook *notebook,
guint32 time)
{
notebook->priv->drag_in_progress = TRUE;
/* get a new cursor, if necessary */
/* FIXME multi-head */
if (cursor == NULL)
{
cursor = gdk_cursor_new (GDK_FLEUR);
}
/* grab the pointer */
gtk_grab_add (GTK_WIDGET (notebook));
/* FIXME multi-head */
if (!gdk_pointer_is_grabbed ())
{
gdk_pointer_grab (gtk_widget_get_window (GTK_WIDGET (notebook)),
FALSE,
GDK_BUTTON1_MOTION_MASK | GDK_BUTTON_RELEASE_MASK,
NULL,
cursor,
time);
}
}
static void
drag_stop (XedNotebook *notebook)
{
if (notebook->priv->drag_in_progress)
{
g_signal_emit (G_OBJECT (notebook), signals[TABS_REORDERED], 0);
}
notebook->priv->drag_in_progress = FALSE;
if (notebook->priv->motion_notify_handler_id != 0)
{
g_signal_handler_disconnect (G_OBJECT (notebook), notebook->priv->motion_notify_handler_id);
notebook->priv->motion_notify_handler_id = 0;
}
}
/* This function is only called during dnd, we don't need to emit TABS_REORDERED
* here, instead we do it on drag_stop
*/
static void
move_current_tab (XedNotebook *notebook,
gint dest_position)
{
gint cur_page_num;
cur_page_num = gtk_notebook_get_current_page (GTK_NOTEBOOK (notebook));
if (dest_position != cur_page_num)
{
GtkWidget *cur_tab;
cur_tab = gtk_notebook_get_nth_page (GTK_NOTEBOOK (notebook), cur_page_num);
xed_notebook_reorder_tab (XED_NOTEBOOK (notebook), XED_TAB (cur_tab), dest_position);
}
}
static gboolean
motion_notify_cb (XedNotebook *notebook,
GdkEventMotion *event,
gpointer data)
{
XedNotebook *dest;
gint page_num;
gint result;
if (notebook->priv->drag_in_progress == FALSE)
{
if (notebook->priv->tab_drag_and_drop_enabled == FALSE)
{
return FALSE;
}
if (gtk_drag_check_threshold (GTK_WIDGET (notebook),
notebook->priv->x_start,
notebook->priv->y_start,
event->x_root,
event->y_root))
{
drag_start (notebook, event->time);
return TRUE;
}
return FALSE;
}
result = find_notebook_and_tab_at_pos ((gint)event->x_root, (gint)event->y_root, &dest, &page_num);
if (result != NOT_IN_APP_WINDOWS)
{
if (dest != notebook)
{
move_current_tab_to_another_notebook (notebook, dest, event, page_num);
}
else
{
g_return_val_if_fail (page_num >= -1, FALSE);
move_current_tab (notebook, page_num);
}
}
return FALSE;
}
static void
move_current_tab_to_another_notebook (XedNotebook *src,
XedNotebook *dest,
GdkEventMotion *event,
gint dest_position)
{
XedTab *tab;
gint cur_page;
/* This is getting tricky, the tab was dragged in a notebook
* in another window of the same app, we move the tab
* to that new notebook, and let this notebook handle the
* drag
*/
g_return_if_fail (XED_IS_NOTEBOOK (dest));
g_return_if_fail (dest != src);
cur_page = gtk_notebook_get_current_page (GTK_NOTEBOOK (src));
tab = XED_TAB (gtk_notebook_get_nth_page (GTK_NOTEBOOK (src), cur_page));
/* stop drag in origin window */
/* ungrab the pointer if it's grabbed */
drag_stop (src);
if (gdk_pointer_is_grabbed ())
{
gdk_pointer_ungrab (event->time);
}
gtk_grab_remove (GTK_WIDGET (src));
xed_notebook_move_tab (src, dest, tab, dest_position);
/* start drag handling in dest notebook */
dest->priv->motion_notify_handler_id = g_signal_connect (G_OBJECT (dest), "motion-notify-event",
G_CALLBACK (motion_notify_cb), NULL);
drag_start (dest, event->time);
}
static gboolean
button_release_cb (XedNotebook *notebook,
GdkEventButton *event,
gpointer data)
{
gboolean ret_val = FALSE;
if (notebook->priv->drag_in_progress)
{
gint cur_page_num;
GtkWidget *cur_page;
cur_page_num = gtk_notebook_get_current_page (GTK_NOTEBOOK (notebook));
cur_page = gtk_notebook_get_nth_page (GTK_NOTEBOOK (notebook), cur_page_num);
/* CHECK: I don't follow the code here -- Paolo */
if (!is_in_notebook_window (notebook, event->x_root, event->y_root) &&
(gtk_notebook_get_n_pages (GTK_NOTEBOOK (notebook)) > 1))
{
/* Tab was detached */
g_signal_emit (G_OBJECT (notebook), signals[TAB_DETACHED], 0, cur_page);
}
/* ungrab the pointer if it's grabbed */
if (gdk_pointer_is_grabbed ())
{
gdk_pointer_ungrab (event->time);
}
gtk_grab_remove (GTK_WIDGET (notebook));
}
else if ((event->type == GDK_BUTTON_RELEASE) && (event->button == 8))
{
gtk_notebook_prev_page (GTK_NOTEBOOK (notebook));
ret_val = TRUE;
}
else if ((event->type == GDK_BUTTON_RELEASE) && (event->button == 9))
{
gtk_notebook_next_page (GTK_NOTEBOOK (notebook));
ret_val = TRUE;
}
/* This must be called even if a drag isn't happening */
drag_stop (notebook);
return ret_val;
}
static gboolean
button_press_cb (XedNotebook *notebook,
GdkEventButton *event,
gpointer data)
{
gint tab_clicked;
if (notebook->priv->drag_in_progress)
{
return TRUE;
}
tab_clicked = find_tab_num_at_pos (notebook, event->x_root, event->y_root);
if ((event->button == 1) && (event->type == GDK_BUTTON_PRESS) && (tab_clicked >= 0))
{
notebook->priv->x_start = event->x_root;
notebook->priv->y_start = event->y_root;
notebook->priv->motion_notify_handler_id = g_signal_connect (G_OBJECT (notebook), "motion-notify-event",
G_CALLBACK (motion_notify_cb), NULL);
}
else if ((event->type == GDK_BUTTON_PRESS) && (event->button == 3 || event->button == 2))
{
if (tab_clicked == -1)
{
// CHECK: do we really need it?
/* consume event, so that we don't pop up the context menu when
* the mouse if not over a tab label
*/
return TRUE;
}
else
{
/* Switch to the page the mouse is over, but don't consume the event */
gtk_notebook_set_current_page (GTK_NOTEBOOK (notebook), tab_clicked);
}
}
return FALSE;
}
static gboolean
notebook_scroll_event_cb (XedNotebook *notebook,
GdkEventScroll *event,
gpointer data)
{
GtkWidget *event_widget;
if (!notebook->priv->tab_scrolling_enabled)
{
return TRUE;
}
event_widget = gtk_get_event_widget ((GdkEvent *) event);
if (event_widget == NULL)
{
return FALSE;
}
switch (event->direction)
{
case GDK_SCROLL_DOWN:
case GDK_SCROLL_LEFT:
gtk_notebook_prev_page (GTK_NOTEBOOK (notebook));
break;
case GDK_SCROLL_UP:
case GDK_SCROLL_RIGHT:
gtk_notebook_next_page (GTK_NOTEBOOK (notebook));
break;
default:
break;
}
return TRUE;
}
/**
* xed_notebook_new:
*
* Creates a new #XedNotebook object.
*
* Returns: a new #XedNotebook
*/
GtkWidget *
xed_notebook_new (void)
{
return GTK_WIDGET (g_object_new (XED_TYPE_NOTEBOOK, NULL));
}
static void
xed_notebook_switch_page_cb (GtkNotebook *notebook,
GtkWidget *page,
guint page_num,
gpointer data)
{
XedNotebook *nb = XED_NOTEBOOK (notebook);
GtkWidget *child;
XedView *view;
child = gtk_notebook_get_nth_page (notebook, page_num);
/* Remove the old page, we dont want to grow unnecessarily
* the list */
if (nb->priv->focused_pages)
{
nb->priv->focused_pages = g_list_remove (nb->priv->focused_pages, child);
}
nb->priv->focused_pages = g_list_append (nb->priv->focused_pages, child);
/* give focus to the view */
view = xed_tab_get_view (XED_TAB (child));
gtk_widget_grab_focus (GTK_WIDGET (view));
}
/*
* update_tabs_visibility: Hide tabs if there is only one tab
*/
static void
update_tabs_visibility (XedNotebook *notebook)
{
gboolean show_tabs;
show_tabs = (gtk_notebook_get_n_pages (GTK_NOTEBOOK (notebook)) > 1);
gtk_notebook_set_show_tabs (GTK_NOTEBOOK (notebook), show_tabs);
}
static void
xed_notebook_init (XedNotebook *notebook)
{
notebook->priv = XED_NOTEBOOK_GET_PRIVATE (notebook);
notebook->priv->close_buttons_sensitive = TRUE;
notebook->priv->tab_drag_and_drop_enabled = TRUE;
notebook->priv->ui_settings = g_settings_new ("org.x.editor.preferences.ui");
notebook->priv->tab_scrolling_enabled = g_settings_get_boolean (notebook->priv->ui_settings, "enable-tab-scrolling");
gtk_notebook_set_scrollable (GTK_NOTEBOOK (notebook), TRUE);
gtk_notebook_set_show_border (GTK_NOTEBOOK (notebook), FALSE);
gtk_notebook_set_show_tabs (GTK_NOTEBOOK (notebook), FALSE);
gtk_container_set_border_width (GTK_CONTAINER (notebook), 0);
g_signal_connect (notebook, "button-press-event",
(GCallback)button_press_cb, NULL);
g_signal_connect (notebook, "button-release-event",
(GCallback)button_release_cb, NULL);
gtk_widget_add_events (GTK_WIDGET (notebook), GDK_BUTTON1_MOTION_MASK);
g_signal_connect_after (G_OBJECT (notebook), "switch_page",
G_CALLBACK (xed_notebook_switch_page_cb), NULL);
gtk_widget_add_events (GTK_WIDGET (notebook), GDK_SCROLL_MASK);
g_signal_connect (notebook, "scroll-event",
G_CALLBACK (notebook_scroll_event_cb), NULL);
}
static void
xed_notebook_finalize (GObject *object)
{
XedNotebook *notebook = XED_NOTEBOOK (object);
g_list_free (notebook->priv->focused_pages);
G_OBJECT_CLASS (xed_notebook_parent_class)->finalize (object);
}
/*
* We need to override this because when we don't show the tabs, like in
* fullscreen we need to have wrap around too
*/
static gboolean
xed_notebook_change_current_page (GtkNotebook *notebook,
gint offset)
{
gboolean wrap_around;
gint current;
current = gtk_notebook_get_current_page (notebook);
if (current != -1)
{
current = current + offset;
g_object_get (gtk_widget_get_settings (GTK_WIDGET (notebook)),
"gtk-keynav-wrap-around", &wrap_around, NULL);
if (wrap_around)
{
if (current < 0)
{
current = gtk_notebook_get_n_pages (notebook) - 1;
}
else if (current >= gtk_notebook_get_n_pages (notebook))
{
current = 0;
}
}
gtk_notebook_set_current_page (notebook, current);
}
else
{
gtk_widget_error_bell (GTK_WIDGET (notebook));
}
return TRUE;
}
static void
close_button_clicked_cb (XedTabLabel *tab_label,
XedNotebook *notebook)
{
XedTab *tab;
tab = xed_tab_label_get_tab (tab_label);
g_signal_emit (notebook, signals[TAB_CLOSE_REQUEST], 0, tab);
}
static GtkWidget *
create_tab_label (XedNotebook *nb,
XedTab *tab)
{
GtkWidget *tab_label;
tab_label = xed_tab_label_new (tab);
g_signal_connect (tab_label, "close-clicked",
G_CALLBACK (close_button_clicked_cb), nb);
g_object_set_data (G_OBJECT (tab), "tab-label", tab_label);
return tab_label;
}
static GtkWidget *
get_tab_label (XedTab *tab)
{
GtkWidget *tab_label;
tab_label = GTK_WIDGET (g_object_get_data (G_OBJECT (tab), "tab-label"));
g_return_val_if_fail (tab_label != NULL, NULL);
return tab_label;
}
static void
remove_tab_label (XedNotebook *nb,
XedTab *tab)
{
GtkWidget *tab_label;
tab_label = get_tab_label (tab);
g_signal_handlers_disconnect_by_func (tab_label, G_CALLBACK (close_button_clicked_cb), nb);
g_object_set_data (G_OBJECT (tab), "tab-label", NULL);
}
/**
* xed_notebook_add_tab:
* @nb: a #XedNotebook
* @tab: a #XedTab
* @position: the position where the @tab should be added
* @jump_to: %TRUE to set the @tab as active
*
* Adds the specified @tab to the @nb.
*/
void
xed_notebook_add_tab (XedNotebook *nb,
XedTab *tab,
gint position,
gboolean jump_to)
{
GtkWidget *tab_label;
g_return_if_fail (XED_IS_NOTEBOOK (nb));
g_return_if_fail (XED_IS_TAB (tab));
tab_label = create_tab_label (nb, tab);
gtk_notebook_insert_page (GTK_NOTEBOOK (nb), GTK_WIDGET (tab), tab_label, position);
update_tabs_visibility (nb);
g_signal_emit (G_OBJECT (nb), signals[TAB_ADDED], 0, tab);
/* The signal handler may have reordered the tabs */
position = gtk_notebook_page_num (GTK_NOTEBOOK (nb), GTK_WIDGET (tab));
if (jump_to)
{
XedView *view;
gtk_notebook_set_current_page (GTK_NOTEBOOK (nb), position);
g_object_set_data (G_OBJECT (tab), "jump_to", GINT_TO_POINTER (jump_to));
view = xed_tab_get_view (tab);
gtk_widget_grab_focus (GTK_WIDGET (view));
}
}
static void
smart_tab_switching_on_closure (XedNotebook *nb,
XedTab *tab)
{
gboolean jump_to;
jump_to = GPOINTER_TO_INT (g_object_get_data (G_OBJECT (tab), "jump_to"));
if (!jump_to || !nb->priv->focused_pages)
{
gtk_notebook_next_page (GTK_NOTEBOOK (nb));
}
else
{
GList *l;
GtkWidget *child;
int page_num;
/* activate the last focused tab */
l = g_list_last (nb->priv->focused_pages);
child = GTK_WIDGET (l->data);
page_num = gtk_notebook_page_num (GTK_NOTEBOOK (nb), child);
gtk_notebook_set_current_page (GTK_NOTEBOOK (nb), page_num);
}
}
static void
remove_tab (XedTab *tab,
XedNotebook *nb)
{
gint position;
position = gtk_notebook_page_num (GTK_NOTEBOOK (nb), GTK_WIDGET (tab));
/* we ref the tab so that it's still alive while the tabs_removed
* signal is processed.
*/
g_object_ref (tab);
remove_tab_label (nb, tab);
gtk_notebook_remove_page (GTK_NOTEBOOK (nb), position);
update_tabs_visibility (nb);
g_signal_emit (G_OBJECT (nb), signals[TAB_REMOVED], 0, tab);
g_object_unref (tab);
}
/**
* xed_notebook_remove_tab:
* @nb: a #XedNotebook
* @tab: a #XedTab
*
* Removes @tab from @nb.
*/
void
xed_notebook_remove_tab (XedNotebook *nb,
XedTab *tab)
{
gint position, curr;
g_return_if_fail (XED_IS_NOTEBOOK (nb));
g_return_if_fail (XED_IS_TAB (tab));
/* Remove the page from the focused pages list */
nb->priv->focused_pages = g_list_remove (nb->priv->focused_pages, tab);
position = gtk_notebook_page_num (GTK_NOTEBOOK (nb), GTK_WIDGET (tab));
curr = gtk_notebook_get_current_page (GTK_NOTEBOOK (nb));
if (position == curr)
{
smart_tab_switching_on_closure (nb, tab);
}
remove_tab (tab, nb);
}
/**
* xed_notebook_remove_all_tabs:
* @nb: a #XedNotebook
*
* Removes all #XedTab from @nb.
*/
void
xed_notebook_remove_all_tabs (XedNotebook *nb)
{
g_return_if_fail (XED_IS_NOTEBOOK (nb));
g_list_free (nb->priv->focused_pages);
nb->priv->focused_pages = NULL;
gtk_container_foreach (GTK_CONTAINER (nb), (GtkCallback)remove_tab, nb);
}
GList *
xed_notebook_get_all_tabs (XedNotebook *nb)
{
GList *children = NULL;
g_return_val_if_fail (XED_IS_NOTEBOOK (nb), NULL);
children = gtk_container_get_children (GTK_CONTAINER (nb));
return children;
}
static void
set_close_buttons_sensitivity (XedTab *tab,
XedNotebook *nb)
{
GtkWidget *tab_label;
tab_label = get_tab_label (tab);
xed_tab_label_set_close_button_sensitive (XED_TAB_LABEL (tab_label), nb->priv->close_buttons_sensitive);
}
/**
* xed_notebook_set_close_buttons_sensitive:
* @nb: a #XedNotebook
* @sensitive: %TRUE to make the buttons sensitive
*
* Sets whether the close buttons in the tabs of @nb are sensitive.
*/
void
xed_notebook_set_close_buttons_sensitive (XedNotebook *nb,
gboolean sensitive)
{
g_return_if_fail (XED_IS_NOTEBOOK (nb));
sensitive = (sensitive != FALSE);
if (sensitive == nb->priv->close_buttons_sensitive)
{
return;
}
nb->priv->close_buttons_sensitive = sensitive;
gtk_container_foreach (GTK_CONTAINER (nb), (GtkCallback)set_close_buttons_sensitivity, nb);
}
/**
* xed_notebook_get_close_buttons_sensitive:
* @nb: a #XedNotebook
*
* Whether the close buttons are sensitive.
*
* Returns: %TRUE if the close buttons are sensitive
*/
gboolean
xed_notebook_get_close_buttons_sensitive (XedNotebook *nb)
{
g_return_val_if_fail (XED_IS_NOTEBOOK (nb), TRUE);
return nb->priv->close_buttons_sensitive;
}
/**
* xed_notebook_set_tab_drag_and_drop_enabled:
* @nb: a #XedNotebook
* @enable: %TRUE to enable the drag and drop
*
* Sets whether drag and drop of tabs in the @nb is enabled.
*/
void
xed_notebook_set_tab_drag_and_drop_enabled (XedNotebook *nb,
gboolean enable)
{
g_return_if_fail (XED_IS_NOTEBOOK (nb));
enable = (enable != FALSE);
if (enable == nb->priv->tab_drag_and_drop_enabled)
{
return;
}
nb->priv->tab_drag_and_drop_enabled = enable;
}
/**
* xed_notebook_get_tab_drag_and_drop_enabled:
* @nb: a #XedNotebook
*
* Whether the drag and drop is enabled in the @nb.
*
* Returns: %TRUE if the drag and drop is enabled.
*/
gboolean
xed_notebook_get_tab_drag_and_drop_enabled (XedNotebook *nb)
{
g_return_val_if_fail (XED_IS_NOTEBOOK (nb), TRUE);
return nb->priv->tab_drag_and_drop_enabled;
}
/**
* xed_notebook_set_tab_scrolling_enabled:
* @nb: a #XedNotebook
* @enable: %TRUE to enable tab scrolling
*
* Sets whether tab scrolling in the @nb is enabled.
*/
void
xed_notebook_set_tab_scrolling_enabled (XedNotebook *nb,
gboolean enable)
{
g_return_if_fail (XED_IS_NOTEBOOK (nb));
enable = (enable != FALSE);
if (enable == nb->priv->tab_scrolling_enabled)
{
return;
}
nb->priv->tab_scrolling_enabled = enable;
}
/**
* xed_notebook_get_tab_scrolling_enabled:
* @nb: a #XedNotebook
*
* Whether notebook tab scrolling is enabled
*
* Returns: %TRUE if tab scrolling is enabled
*/
gboolean
xed_notebook_get_tab_scrolling_enabled (XedNotebook *nb)
{
g_return_val_if_fail (XED_IS_NOTEBOOK (nb), TRUE);
return nb->priv->tab_scrolling_enabled;
}
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