/*
* gedit-view.c
* This file is part of gedit
*
* Copyright (C) 1998, 1999 Alex Roberts, Evan Lawrence
* Copyright (C) 2000, 2002 Chema Celorio, Paolo Maggi
* Copyright (C) 2003-2005 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, see <http://www.gnu.org/licenses/>.
*/
#include "gedit-view.h"
#include <libpeas/peas-extension-set.h>
#include <glib/gi18n.h>
#include "gedit-view-activatable.h"
#include "gedit-plugins-engine.h"
#include "gedit-debug.h"
#include "gedit-utils.h"
#include "gedit-settings.h"
#include "gedit-app.h"
#include "gedit-app-private.h"
#define GEDIT_VIEW_SCROLL_MARGIN 0.02
enum
{
TARGET_URI_LIST = 100,
TARGET_XDNDDIRECTSAVE
};
struct _GeditViewPrivate
{
GSettings *editor_settings;
GtkTextBuffer *current_buffer;
PeasExtensionSet *extensions;
gchar *direct_save_uri;
};
G_DEFINE_TYPE_WITH_PRIVATE (GeditView, gedit_view, GTK_SOURCE_TYPE_VIEW)
enum
{
DROP_URIS,
LAST_SIGNAL
};
static guint view_signals[LAST_SIGNAL] = { 0 };
static void
file_read_only_notify_handler (GtkSourceFile *file,
GParamSpec *pspec,
GeditView *view)
{
gedit_debug (DEBUG_VIEW);
gtk_text_view_set_editable (GTK_TEXT_VIEW (view),
!gtk_source_file_is_readonly (file));
}
static void
current_buffer_removed (GeditView *view)
{
if (view->priv->current_buffer != NULL)
{
GtkSourceFile *file;
file = gedit_document_get_file (GEDIT_DOCUMENT (view->priv->current_buffer));
g_signal_handlers_disconnect_by_func (file,
file_read_only_notify_handler,
view);
g_object_unref (view->priv->current_buffer);
view->priv->current_buffer = NULL;
}
}
static void
on_notify_buffer_cb (GeditView *view,
GParamSpec *pspec,
gpointer userdata)
{
GtkTextBuffer *buffer;
GtkSourceFile *file;
current_buffer_removed (view);
buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (view));
if (!GEDIT_IS_DOCUMENT (buffer))
{
return;
}
file = gedit_document_get_file (GEDIT_DOCUMENT (buffer));
view->priv->current_buffer = g_object_ref (buffer);
g_signal_connect_object (file,
"notify::read-only",
G_CALLBACK (file_read_only_notify_handler),
view,
0);
gtk_text_view_set_editable (GTK_TEXT_VIEW (view),
!gtk_source_file_is_readonly (file));
}
static void
gedit_view_init (GeditView *view)
{
GtkTargetList *target_list;
GtkStyleContext *context;
gedit_debug (DEBUG_VIEW);
view->priv = gedit_view_get_instance_private (view);
view->priv->editor_settings = g_settings_new ("org.gnome.gedit.preferences.editor");
/* Drag and drop support */
view->priv->direct_save_uri = NULL;
target_list = gtk_drag_dest_get_target_list (GTK_WIDGET (view));
if (target_list != NULL)
{
gtk_target_list_add (target_list,
gdk_atom_intern ("XdndDirectSave0", FALSE),
0,
TARGET_XDNDDIRECTSAVE);
gtk_target_list_add_uri_targets (target_list, TARGET_URI_LIST);
}
view->priv->extensions =
peas_extension_set_new (PEAS_ENGINE (gedit_plugins_engine_get_default ()),
GEDIT_TYPE_VIEW_ACTIVATABLE,
"view", view,
NULL);
/* Act on buffer change */
g_signal_connect (view,
"notify::buffer",
G_CALLBACK (on_notify_buffer_cb),
NULL);
context = gtk_widget_get_style_context (GTK_WIDGET (view));
gtk_style_context_add_class (context, "gedit-view");
}
static void
gedit_view_dispose (GObject *object)
{
GeditView *view = GEDIT_VIEW (object);
g_clear_object (&view->priv->extensions);
g_clear_object (&view->priv->editor_settings);
current_buffer_removed (view);
/* Disconnect notify buffer because the destroy of the textview will set
* the buffer to NULL, and we call get_buffer in the notify which would
* reinstate a buffer which we don't want.
* There is no problem calling g_signal_handlers_disconnect_by_func()
* several times (if dispose() is called several times).
*/
g_signal_handlers_disconnect_by_func (view, on_notify_buffer_cb, NULL);
G_OBJECT_CLASS (gedit_view_parent_class)->dispose (object);
}
static void
gedit_view_constructed (GObject *object)
{
GeditView *view;
GeditViewPrivate *priv;
gboolean use_default_font;
view = GEDIT_VIEW (object);
priv = view->priv;
use_default_font = g_settings_get_boolean (view->priv->editor_settings,
GEDIT_SETTINGS_USE_DEFAULT_FONT);
if (use_default_font)
{
gedit_view_set_font (view, TRUE, NULL);
}
else
{
gchar *editor_font;
editor_font = g_settings_get_string (view->priv->editor_settings,
GEDIT_SETTINGS_EDITOR_FONT);
gedit_view_set_font (view, FALSE, editor_font);
g_free (editor_font);
}
g_settings_bind (priv->editor_settings,
GEDIT_SETTINGS_DISPLAY_LINE_NUMBERS,
view,
"show-line-numbers",
G_SETTINGS_BIND_GET);
g_settings_bind (priv->editor_settings,
GEDIT_SETTINGS_AUTO_INDENT,
view,
"auto-indent",
G_SETTINGS_BIND_GET);
g_settings_bind (priv->editor_settings,
GEDIT_SETTINGS_TABS_SIZE,
view,
"tab-width",
G_SETTINGS_BIND_GET);
g_settings_bind (priv->editor_settings,
GEDIT_SETTINGS_INSERT_SPACES,
view,
"insert-spaces-instead-of-tabs",
G_SETTINGS_BIND_GET);
g_settings_bind (priv->editor_settings,
GEDIT_SETTINGS_DISPLAY_RIGHT_MARGIN,
view,
"show-right-margin",
G_SETTINGS_BIND_GET);
g_settings_bind (priv->editor_settings,
GEDIT_SETTINGS_BACKGROUND_PATTERN,
view,
"background-pattern",
G_SETTINGS_BIND_GET);
g_settings_bind (priv->editor_settings,
GEDIT_SETTINGS_RIGHT_MARGIN_POSITION,
view,
"right-margin-position",
G_SETTINGS_BIND_GET);
g_settings_bind (priv->editor_settings,
GEDIT_SETTINGS_HIGHLIGHT_CURRENT_LINE,
view,
"highlight-current-line",
G_SETTINGS_BIND_GET);
g_settings_bind (priv->editor_settings,
GEDIT_SETTINGS_WRAP_MODE,
view,
"wrap-mode",
G_SETTINGS_BIND_GET);
g_settings_bind (priv->editor_settings,
GEDIT_SETTINGS_SMART_HOME_END,
view,
"smart-home-end",
G_SETTINGS_BIND_GET);
gtk_source_view_set_indent_on_tab (GTK_SOURCE_VIEW (view), TRUE);
G_OBJECT_CLASS (gedit_view_parent_class)->constructed (object);
}
static gboolean
gedit_view_focus_out (GtkWidget *widget,
GdkEventFocus *event)
{
gtk_widget_queue_draw (widget);
GTK_WIDGET_CLASS (gedit_view_parent_class)->focus_out_event (widget, event);
return GDK_EVENT_PROPAGATE;
}
static GdkAtom
drag_get_uri_target (GtkWidget *widget,
GdkDragContext *context)
{
GdkAtom target;
GtkTargetList *target_list;
target_list = gtk_target_list_new (NULL, 0);
gtk_target_list_add_uri_targets (target_list, 0);
target = gtk_drag_dest_find_target (widget, context, target_list);
gtk_target_list_unref (target_list);
return target;
}
static gboolean
gedit_view_drag_motion (GtkWidget *widget,
GdkDragContext *context,
gint x,
gint y,
guint timestamp)
{
gboolean drop_zone;
/* Chain up to allow textview to scroll and position dnd mark, note
* that this needs to be checked if gtksourceview or gtktextview
* changes drag_motion behaviour.
*/
drop_zone = GTK_WIDGET_CLASS (gedit_view_parent_class)->drag_motion (widget,
context,
x, y,
timestamp);
/* If this is a URL, deal with it here */
if (drag_get_uri_target (widget, context) != GDK_NONE)
{
gdk_drag_status (context,
gdk_drag_context_get_suggested_action (context),
timestamp);
drop_zone = TRUE;
}
return drop_zone;
}
static void
gedit_view_drag_data_received (GtkWidget *widget,
GdkDragContext *context,
gint x,
gint y,
GtkSelectionData *selection_data,
guint info,
guint timestamp)
{
/* If this is an URL emit DROP_URIS, otherwise chain up the signal */
switch (info)
{
case TARGET_URI_LIST:
{
gchar **uri_list;
uri_list = gedit_utils_drop_get_uris (selection_data);
if (uri_list != NULL)
{
g_signal_emit (widget, view_signals[DROP_URIS], 0, uri_list);
g_strfreev (uri_list);
gtk_drag_finish (context, TRUE, FALSE, timestamp);
}
break;
}
case TARGET_XDNDDIRECTSAVE:
{
GeditView *view;
view = GEDIT_VIEW (widget);
/* Indicate that we don't provide "F" fallback */
if (gtk_selection_data_get_format (selection_data) == 8 &&
gtk_selection_data_get_length (selection_data) == 1 &&
gtk_selection_data_get_data (selection_data)[0] == 'F')
{
gdk_property_change (gdk_drag_context_get_source_window (context),
gdk_atom_intern ("XdndDirectSave0", FALSE),
gdk_atom_intern ("text/plain", FALSE), 8,
GDK_PROP_MODE_REPLACE, (const guchar *) "", 0);
}
else if (gtk_selection_data_get_format (selection_data) == 8 &&
gtk_selection_data_get_length (selection_data) == 1 &&
gtk_selection_data_get_data (selection_data)[0] == 'S' &&
view->priv->direct_save_uri != NULL)
{
gchar **uris;
uris = g_new (gchar *, 2);
uris[0] = view->priv->direct_save_uri;
uris[1] = NULL;
g_signal_emit (widget, view_signals[DROP_URIS], 0, uris);
g_free (uris);
}
g_free (view->priv->direct_save_uri);
view->priv->direct_save_uri = NULL;
gtk_drag_finish (context, TRUE, FALSE, timestamp);
break;
}
default:
{
GTK_WIDGET_CLASS (gedit_view_parent_class)->drag_data_received (widget,
context,
x, y,
selection_data,
info,
timestamp);
break;
}
}
}
static gboolean
gedit_view_drag_drop (GtkWidget *widget,
GdkDragContext *context,
gint x,
gint y,
guint timestamp)
{
gboolean drop_zone;
GdkAtom target;
guint info;
gboolean found;
GtkTargetList *target_list;
target_list = gtk_drag_dest_get_target_list (widget);
target = gtk_drag_dest_find_target (widget, context, target_list);
found = gtk_target_list_find (target_list, target, &info);
if (found && (info == TARGET_URI_LIST || info == TARGET_XDNDDIRECTSAVE))
{
if (info == TARGET_XDNDDIRECTSAVE)
{
gchar *uri;
uri = gedit_utils_set_direct_save_filename (context);
if (uri != NULL)
{
GeditView *view = GEDIT_VIEW (widget);
g_free (view->priv->direct_save_uri);
view->priv->direct_save_uri = uri;
}
}
gtk_drag_get_data (widget, context, target, timestamp);
drop_zone = TRUE;
}
else
{
/* Chain up */
drop_zone = GTK_WIDGET_CLASS (gedit_view_parent_class)->drag_drop (widget,
context,
x, y,
timestamp);
}
return drop_zone;
}
static void
show_line_numbers_menu (GeditView *view,
GdkEventButton *event)
{
GtkWidget *menu;
GtkWidget *item;
menu = gtk_menu_new ();
item = gtk_check_menu_item_new_with_mnemonic (_("_Display line numbers"));
gtk_check_menu_item_set_active (GTK_CHECK_MENU_ITEM (item),
gtk_source_view_get_show_line_numbers (GTK_SOURCE_VIEW (view)));
g_settings_bind (view->priv->editor_settings,
GEDIT_SETTINGS_DISPLAY_LINE_NUMBERS,
item,
"active",
G_SETTINGS_BIND_SET);
gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
g_signal_connect (menu,
"selection-done",
G_CALLBACK (gtk_widget_destroy),
NULL);
gtk_widget_show_all (menu);
gtk_menu_popup (GTK_MENU (menu),
NULL,
NULL,
NULL,
NULL,
event->button,
event->time);
}
static gboolean
gedit_view_button_press_event (GtkWidget *widget,
GdkEventButton *event)
{
if ((event->type == GDK_BUTTON_PRESS) &&
(event->button == GDK_BUTTON_SECONDARY) &&
(event->window == gtk_text_view_get_window (GTK_TEXT_VIEW (widget),
GTK_TEXT_WINDOW_LEFT)))
{
show_line_numbers_menu (GEDIT_VIEW (widget), event);
return GDK_EVENT_STOP;
}
return GTK_WIDGET_CLASS (gedit_view_parent_class)->button_press_event (widget, event);
}
static void
extension_added (PeasExtensionSet *extensions,
PeasPluginInfo *info,
PeasExtension *exten,
GeditView *view)
{
gedit_view_activatable_activate (GEDIT_VIEW_ACTIVATABLE (exten));
}
static void
extension_removed (PeasExtensionSet *extensions,
PeasPluginInfo *info,
PeasExtension *exten,
GeditView *view)
{
gedit_view_activatable_deactivate (GEDIT_VIEW_ACTIVATABLE (exten));
}
static void
gedit_view_realize (GtkWidget *widget)
{
GeditView *view = GEDIT_VIEW (widget);
GTK_WIDGET_CLASS (gedit_view_parent_class)->realize (widget);
g_signal_connect (view->priv->extensions,
"extension-added",
G_CALLBACK (extension_added),
view);
g_signal_connect (view->priv->extensions,
"extension-removed",
G_CALLBACK (extension_removed),
view);
/* We only activate the extensions when the view is realized,
* because most plugins will expect this behaviour, and we won't
* change the buffer later anyway.
*/
peas_extension_set_foreach (view->priv->extensions,
(PeasExtensionSetForeachFunc) extension_added,
view);
}
static void
gedit_view_unrealize (GtkWidget *widget)
{
GeditView *view = GEDIT_VIEW (widget);
g_signal_handlers_disconnect_by_func (view->priv->extensions, extension_added, view);
g_signal_handlers_disconnect_by_func (view->priv->extensions, extension_removed, view);
/* We need to deactivate the extension on unrealize because it is not
* mandatory that a view has been realized when we dispose it, leading
* to deactivating the plugin without being activated.
*/
peas_extension_set_foreach (view->priv->extensions,
(PeasExtensionSetForeachFunc) extension_removed,
view);
GTK_WIDGET_CLASS (gedit_view_parent_class)->unrealize (widget);
}
static void
delete_line (GtkTextView *text_view,
gint count)
{
GtkTextIter start;
GtkTextIter end;
GtkTextBuffer *buffer;
buffer = gtk_text_view_get_buffer (text_view);
gtk_text_view_reset_im_context (text_view);
/* If there is a selection delete the selected lines and ignore count. */
if (gtk_text_buffer_get_selection_bounds (buffer, &start, &end))
{
gtk_text_iter_order (&start, &end);
if (gtk_text_iter_starts_line (&end))
{
/* Do not delete the line with the cursor if the cursor
* is at the beginning of the line.
*/
count = 0;
}
else
{
count = 1;
}
}
gtk_text_iter_set_line_offset (&start, 0);
if (count > 0)
{
gtk_text_iter_forward_lines (&end, count);
if (gtk_text_iter_is_end (&end))
{
if (gtk_text_iter_backward_line (&start) &&
!gtk_text_iter_ends_line (&start))
{
gtk_text_iter_forward_to_line_end (&start);
}
}
}
else if (count < 0)
{
if (!gtk_text_iter_ends_line (&end))
{
gtk_text_iter_forward_to_line_end (&end);
}
while (count < 0)
{
if (!gtk_text_iter_backward_line (&start))
{
break;
}
count++;
}
if (count == 0)
{
if (!gtk_text_iter_ends_line (&start))
{
gtk_text_iter_forward_to_line_end (&start);
}
}
else
{
gtk_text_iter_forward_line (&end);
}
}
if (!gtk_text_iter_equal (&start, &end))
{
GtkTextIter cur = start;
gtk_text_iter_set_line_offset (&cur, 0);
gtk_text_buffer_begin_user_action (buffer);
gtk_text_buffer_place_cursor (buffer, &cur);
gtk_text_buffer_delete_interactive (buffer,
&start,
&end,
gtk_text_view_get_editable (text_view));
gtk_text_buffer_end_user_action (buffer);
gtk_text_view_scroll_mark_onscreen (text_view,
gtk_text_buffer_get_insert (buffer));
}
else
{
gtk_widget_error_bell (GTK_WIDGET (text_view));
}
}
static void
gedit_view_delete_from_cursor (GtkTextView *text_view,
GtkDeleteType type,
gint count)
{
/* We override the standard handler for delete_from_cursor since
* the GTK_DELETE_PARAGRAPHS case is not implemented as we like (i.e. it
* does not remove the carriage return in the previous line).
*/
switch (type)
{
case GTK_DELETE_PARAGRAPHS:
delete_line (text_view, count);
break;
default:
GTK_TEXT_VIEW_CLASS (gedit_view_parent_class)->delete_from_cursor(text_view, type, count);
break;
}
}
static GtkTextBuffer *
gedit_view_create_buffer (GtkTextView *text_view)
{
return GTK_TEXT_BUFFER (gedit_document_new ());
}
static void
gedit_view_class_init (GeditViewClass *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (klass);
GtkTextViewClass *text_view_class = GTK_TEXT_VIEW_CLASS (klass);
GtkBindingSet *binding_set;
object_class->dispose = gedit_view_dispose;
object_class->constructed = gedit_view_constructed;
/* Override the gtk_text_view_drag_motion and drag_drop
* functions to get URIs
*
* If the mime type is text/uri-list, then we will accept
* the potential drop, or request the data (depending on the
* function).
*
* If the drag context has any other mime type, then pass the
* information onto the GtkTextView's standard handlers.
*
* See bug #89881 for details
*/
widget_class->drag_motion = gedit_view_drag_motion;
widget_class->drag_data_received = gedit_view_drag_data_received;
widget_class->drag_drop = gedit_view_drag_drop;
widget_class->focus_out_event = gedit_view_focus_out;
widget_class->button_press_event = gedit_view_button_press_event;
widget_class->realize = gedit_view_realize;
widget_class->unrealize = gedit_view_unrealize;
text_view_class->delete_from_cursor = gedit_view_delete_from_cursor;
text_view_class->create_buffer = gedit_view_create_buffer;
/**
* GeditView::drop-uris:
* @view: a #GeditView.
* @uri_list: a %NULL-terminated list of URIs.
*
* The #GeditView::drop-uris signal allows plugins to intercept the
* default drag-and-drop behaviour of 'text/uri-list'. #GeditView
* handles drag-and-drop in the default handlers of
* #GtkWidget::drag-drop, #GtkWidget::drag-motion and
* #GtkWidget::drag-data-received. The view emits the
* #GeditView::drop-uris signal from #GtkWidget::drag-data-received if
* valid URIs have been dropped. Plugins should connect to
* #GtkWidget::drag-motion, #GtkWidget::drag-drop and
* #GtkWidget::drag-data-received to change this default behaviour. They
* should NOT use this signal because this will not prevent gedit from
* loading the URI.
*/
view_signals[DROP_URIS] =
g_signal_new ("drop-uris",
G_TYPE_FROM_CLASS (object_class),
G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
G_STRUCT_OFFSET (GeditViewClass, drop_uris),
NULL, NULL, NULL,
G_TYPE_NONE, 1, G_TYPE_STRV);
binding_set = gtk_binding_set_by_class (klass);
gtk_binding_entry_add_signal (binding_set,
GDK_KEY_d,
GDK_CONTROL_MASK,
"delete_from_cursor", 2,
G_TYPE_ENUM, GTK_DELETE_PARAGRAPHS,
G_TYPE_INT, 1);
gtk_binding_entry_add_signal (binding_set,
GDK_KEY_u,
GDK_CONTROL_MASK,
"change_case", 1,
G_TYPE_ENUM, GTK_SOURCE_CHANGE_CASE_UPPER);
gtk_binding_entry_add_signal (binding_set,
GDK_KEY_l,
GDK_CONTROL_MASK,
"change_case", 1,
G_TYPE_ENUM, GTK_SOURCE_CHANGE_CASE_LOWER);
gtk_binding_entry_add_signal (binding_set,
GDK_KEY_asciitilde,
GDK_CONTROL_MASK,
"change_case", 1,
G_TYPE_ENUM, GTK_SOURCE_CHANGE_CASE_TOGGLE);
}
/**
* gedit_view_new:
* @doc: a #GeditDocument
*
* Creates a new #GeditView object displaying the @doc document.
* @doc cannot be %NULL.
*
* Returns: a new #GeditView.
*/
GtkWidget *
gedit_view_new (GeditDocument *doc)
{
g_return_val_if_fail (GEDIT_IS_DOCUMENT (doc), NULL);
return GTK_WIDGET (g_object_new (GEDIT_TYPE_VIEW, "buffer", doc, NULL));
}
void
gedit_view_cut_clipboard (GeditView *view)
{
GtkTextBuffer *buffer;
GtkClipboard *clipboard;
gedit_debug (DEBUG_VIEW);
g_return_if_fail (GEDIT_IS_VIEW (view));
buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (view));
clipboard = gtk_widget_get_clipboard (GTK_WIDGET (view),
GDK_SELECTION_CLIPBOARD);
gtk_text_buffer_cut_clipboard (buffer,
clipboard,
gtk_text_view_get_editable (GTK_TEXT_VIEW (view)));
gtk_text_view_scroll_to_mark (GTK_TEXT_VIEW (view),
gtk_text_buffer_get_insert (buffer),
GEDIT_VIEW_SCROLL_MARGIN,
FALSE,
0.0,
0.0);
}
void
gedit_view_copy_clipboard (GeditView *view)
{
GtkTextBuffer *buffer;
GtkClipboard *clipboard;
gedit_debug (DEBUG_VIEW);
g_return_if_fail (GEDIT_IS_VIEW (view));
buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (view));
clipboard = gtk_widget_get_clipboard (GTK_WIDGET (view),
GDK_SELECTION_CLIPBOARD);
gtk_text_buffer_copy_clipboard (buffer, clipboard);
/* on copy do not scroll, we are already on screen */
}
void
gedit_view_paste_clipboard (GeditView *view)
{
GtkTextBuffer *buffer;
GtkClipboard *clipboard;
gedit_debug (DEBUG_VIEW);
g_return_if_fail (GEDIT_IS_VIEW (view));
buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (view));
clipboard = gtk_widget_get_clipboard (GTK_WIDGET (view),
GDK_SELECTION_CLIPBOARD);
gtk_text_buffer_paste_clipboard (buffer,
clipboard,
NULL,
gtk_text_view_get_editable (GTK_TEXT_VIEW (view)));
gtk_text_view_scroll_to_mark (GTK_TEXT_VIEW (view),
gtk_text_buffer_get_insert (buffer),
GEDIT_VIEW_SCROLL_MARGIN,
FALSE,
0.0,
0.0);
}
/**
* gedit_view_delete_selection:
* @view: a #GeditView
*
* Deletes the text currently selected in the #GtkTextBuffer associated
* to the view and scroll to the cursor position.
*/
void
gedit_view_delete_selection (GeditView *view)
{
GtkTextBuffer *buffer;
gedit_debug (DEBUG_VIEW);
g_return_if_fail (GEDIT_IS_VIEW (view));
buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (view));
gtk_text_buffer_delete_selection (buffer,
TRUE,
gtk_text_view_get_editable (GTK_TEXT_VIEW (view)));
gtk_text_view_scroll_to_mark (GTK_TEXT_VIEW (view),
gtk_text_buffer_get_insert (buffer),
GEDIT_VIEW_SCROLL_MARGIN,
FALSE,
0.0,
0.0);
}
/**
* gedit_view_select_all:
* @view: a #GeditView
*
* Selects all the text.
*/
void
gedit_view_select_all (GeditView *view)
{
GtkTextBuffer *buffer;
GtkTextIter start;
GtkTextIter end;
gedit_debug (DEBUG_VIEW);
g_return_if_fail (GEDIT_IS_VIEW (view));
buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (view));
gtk_text_buffer_get_bounds (buffer, &start, &end);
gtk_text_buffer_select_range (buffer, &start, &end);
}
/**
* gedit_view_scroll_to_cursor:
* @view: a #GeditView
*
* Scrolls the @view to the cursor position.
*/
void
gedit_view_scroll_to_cursor (GeditView *view)
{
GtkTextBuffer *buffer;
gedit_debug (DEBUG_VIEW);
g_return_if_fail (GEDIT_IS_VIEW (view));
buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (view));
gtk_text_view_scroll_to_mark (GTK_TEXT_VIEW (view),
gtk_text_buffer_get_insert (buffer),
0.25,
FALSE,
0.0,
0.0);
}
/**
* gedit_view_set_font:
* @view: a #GeditView
* @default_font: whether to reset to the default font
* @font_name: the name of the font to use
*
* If @default_font is #TRUE, resets the font of the @view to the default font.
* Otherwise sets it to @font_name.
*/
void
gedit_view_set_font (GeditView *view,
gboolean default_font,
const gchar *font_name)
{
PangoFontDescription *font_desc;
gedit_debug (DEBUG_VIEW);
g_return_if_fail (GEDIT_IS_VIEW (view));
if (default_font)
{
GeditSettings *settings;
gchar *font;
settings = _gedit_app_get_settings (GEDIT_APP (g_application_get_default ()));
font = gedit_settings_get_system_font (settings);
font_desc = pango_font_description_from_string (font);
g_free (font);
}
else
{
g_return_if_fail (font_name != NULL);
font_desc = pango_font_description_from_string (font_name);
}
g_return_if_fail (font_desc != NULL);
gtk_widget_override_font (GTK_WIDGET (view), font_desc);
pango_font_description_free (font_desc);
}
/* ex:set ts=8 noet: */