[gedit] view: various small code improvements
- From: Sébastien Wilmet <swilmet src gnome org>
- To: commits-list gnome org
- Cc:
- Subject: [gedit] view: various small code improvements
- Date: Wed, 24 Jun 2015 14:27:02 +0000 (UTC)
commit fbd52a74b0a1113c5e13d0043821d366c7ff15fc
Author: Sébastien Wilmet <swilmet gnome org>
Date: Wed Jun 24 15:08:46 2015 +0200
view: various small code improvements
gedit/gedit-view.c | 233 +++++++++++++++++++++++++++-------------------------
gedit/gedit-view.h | 23 +----
2 files changed, 124 insertions(+), 132 deletions(-)
---
diff --git a/gedit/gedit-view.c b/gedit/gedit-view.c
index d2eccb6..7b7d650 100644
--- a/gedit/gedit-view.c
+++ b/gedit/gedit-view.c
@@ -60,14 +60,13 @@ struct _GeditViewPrivate
G_DEFINE_TYPE_WITH_PRIVATE (GeditView, gedit_view, GTK_SOURCE_TYPE_VIEW)
-/* Signals */
enum
{
DROP_URIS,
LAST_SIGNAL
};
-static guint view_signals [LAST_SIGNAL] = { 0 };
+static guint view_signals[LAST_SIGNAL] = { 0 };
static void
file_read_only_notify_handler (GtkSourceFile *file,
@@ -100,7 +99,7 @@ current_buffer_removed (GeditView *view)
static void
on_notify_buffer_cb (GeditView *view,
- GParamSpec *arg1,
+ GParamSpec *pspec,
gpointer userdata)
{
GtkTextBuffer *buffer;
@@ -109,8 +108,10 @@ on_notify_buffer_cb (GeditView *view,
current_buffer_removed (view);
buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (view));
- if (buffer == NULL || !GEDIT_IS_DOCUMENT (buffer))
+ if (!GEDIT_IS_DOCUMENT (buffer))
+ {
return;
+ }
file = gedit_document_get_file (GEDIT_DOCUMENT (buffer));
@@ -128,7 +129,7 @@ on_notify_buffer_cb (GeditView *view,
static void
gedit_view_init (GeditView *view)
{
- GtkTargetList *tl;
+ GtkTargetList *target_list;
gedit_debug (DEBUG_VIEW);
@@ -138,16 +139,16 @@ gedit_view_init (GeditView *view)
/* Drag and drop support */
view->priv->direct_save_uri = NULL;
- tl = gtk_drag_dest_get_target_list (GTK_WIDGET (view));
+ target_list = gtk_drag_dest_get_target_list (GTK_WIDGET (view));
- if (tl != NULL)
+ if (target_list != NULL)
{
- gtk_target_list_add (tl,
+ gtk_target_list_add (target_list,
gdk_atom_intern ("XdndDirectSave0", FALSE),
0,
TARGET_XDNDDIRECTSAVE);
- gtk_target_list_add_uri_targets (tl, TARGET_URI_LIST);
- gtk_target_list_add (tl,
+ gtk_target_list_add_uri_targets (target_list, TARGET_URI_LIST);
+ gtk_target_list_add (target_list,
gdk_atom_intern_static_string ("GTK_NOTEBOOK_TAB"),
GTK_TARGET_SAME_APP,
TARGET_TAB);
@@ -197,15 +198,14 @@ gedit_view_constructed (GObject *object)
view = GEDIT_VIEW (object);
priv = view->priv;
- /* Get setting values */
use_default_font = g_settings_get_boolean (view->priv->editor_settings,
GEDIT_SETTINGS_USE_DEFAULT_FONT);
- /*
- * Set tab, fonts, wrap mode, colors, etc. according
- * to preferences
- */
- if (!use_default_font)
+ if (use_default_font)
+ {
+ gedit_view_set_font (view, TRUE, NULL);
+ }
+ else
{
gchar *editor_font;
@@ -216,10 +216,6 @@ gedit_view_constructed (GObject *object)
g_free (editor_font);
}
- else
- {
- gedit_view_set_font (view, TRUE, NULL);
- }
g_settings_bind (priv->editor_settings,
GEDIT_SETTINGS_DISPLAY_LINE_NUMBERS,
@@ -281,21 +277,20 @@ gedit_view_constructed (GObject *object)
"smart-home-end",
G_SETTINGS_BIND_GET);
- g_object_set (G_OBJECT (view),
- "indent_on_tab", TRUE,
- NULL);
+ gtk_source_view_set_indent_on_tab (GTK_SOURCE_VIEW (view), TRUE);
G_OBJECT_CLASS (gedit_view_parent_class)->constructed (object);
}
-static gint
-gedit_view_focus_out (GtkWidget *widget, GdkEventFocus *event)
+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 FALSE;
+ return GDK_EVENT_PROPAGATE;
}
static GdkAtom
@@ -303,13 +298,13 @@ drag_get_uri_target (GtkWidget *widget,
GdkDragContext *context)
{
GdkAtom target;
- GtkTargetList *tl;
+ GtkTargetList *target_list;
- tl = gtk_target_list_new (NULL, 0);
- gtk_target_list_add_uri_targets (tl, 0);
+ 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, tl);
- gtk_target_list_unref (tl);
+ target = gtk_drag_dest_find_target (widget, context, target_list);
+ gtk_target_list_unref (target_list);
return target;
}
@@ -321,12 +316,16 @@ gedit_view_drag_motion (GtkWidget *widget,
gint y,
guint timestamp)
{
- gboolean result;
+ 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 */
- result = GTK_WIDGET_CLASS (gedit_view_parent_class)->drag_motion (widget, context, x, y, timestamp);
+ * 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)
@@ -334,10 +333,10 @@ gedit_view_drag_motion (GtkWidget *widget,
gdk_drag_status (context,
gdk_drag_context_get_suggested_action (context),
timestamp);
- result = TRUE;
+ drop_zone = TRUE;
}
- return result;
+ return drop_zone;
}
static GtkWidget *
@@ -402,7 +401,8 @@ gedit_view_drag_data_received (GtkWidget *widget,
g_return_if_fail (page != NULL);
/* We need to iterate and get the notebook of the target view
- because we can have several notebooks per window */
+ * because we can have several notebooks per window.
+ */
new_notebook = get_notebook_from_view (widget);
if (notebook != new_notebook)
@@ -474,7 +474,7 @@ gedit_view_drag_drop (GtkWidget *widget,
gint y,
guint timestamp)
{
- gboolean result;
+ gboolean drop_zone;
GdkAtom target;
guint info;
gboolean found;
@@ -493,28 +493,30 @@ gedit_view_drag_drop (GtkWidget *widget,
if (uri != NULL)
{
- g_free (GEDIT_VIEW (widget)->priv->direct_save_uri);
- GEDIT_VIEW (widget)->priv->direct_save_uri = uri;
+ 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);
- result = TRUE;
+ drop_zone = TRUE;
}
else
{
/* Chain up */
- result = GTK_WIDGET_CLASS (gedit_view_parent_class)->drag_drop (widget,
- context,
- x, y,
- timestamp);
+ drop_zone = GTK_WIDGET_CLASS (gedit_view_parent_class)->drag_drop (widget,
+ context,
+ x, y,
+ timestamp);
}
- return result;
+ return drop_zone;
}
-static GtkWidget *
-create_line_numbers_menu (GtkWidget *view)
+static void
+show_line_numbers_menu (GeditView *view,
+ GdkEventButton *event)
{
GtkWidget *menu;
GtkWidget *item;
@@ -525,7 +527,7 @@ create_line_numbers_menu (GtkWidget *view)
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 (GEDIT_VIEW (view)->priv->editor_settings,
+ g_settings_bind (view->priv->editor_settings,
GEDIT_SETTINGS_DISPLAY_LINE_NUMBERS,
item,
"active",
@@ -535,17 +537,6 @@ create_line_numbers_menu (GtkWidget *view)
gtk_widget_show_all (menu);
- return menu;
-}
-
-static void
-show_line_numbers_menu (GtkWidget *view,
- GdkEventButton *event)
-{
- GtkWidget *menu;
-
- menu = create_line_numbers_menu (view);
-
gtk_menu_popup (GTK_MENU (menu),
NULL,
NULL,
@@ -556,16 +547,17 @@ show_line_numbers_menu (GtkWidget *view,
}
static gboolean
-gedit_view_button_press_event (GtkWidget *widget, GdkEventButton *event)
+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 (widget, event);
+ show_line_numbers_menu (GEDIT_VIEW (widget), event);
- return TRUE;
+ return GDK_EVENT_STOP;
}
return GTK_WIDGET_CLASS (gedit_view_parent_class)->button_press_event (widget, event);
@@ -600,6 +592,7 @@ gedit_view_realize (GtkWidget *widget)
"extension-added",
G_CALLBACK (extension_added),
view);
+
g_signal_connect (view->priv->extensions,
"extension-removed",
G_CALLBACK (extension_removed),
@@ -607,7 +600,8 @@ gedit_view_realize (GtkWidget *widget)
/* 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. */
+ * change the buffer later anyway.
+ */
peas_extension_set_foreach (view->priv->extensions,
(PeasExtensionSetForeachFunc) extension_added,
view);
@@ -622,8 +616,9 @@ gedit_view_unrealize (GtkWidget *widget)
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 */
+ * 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);
@@ -643,16 +638,16 @@ delete_line (GtkTextView *text_view,
gtk_text_view_reset_im_context (text_view);
- /* If there is a selection delete the selected lines and
- * ignore count */
+ /* 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 no delete the line with the cursor if the cursor
- * is at the beginning of the line */
+ /* Do not delete the line with the cursor if the cursor
+ * is at the beginning of the line.
+ */
count = 0;
}
else
@@ -669,27 +664,36 @@ delete_line (GtkTextView *text_view,
if (gtk_text_iter_is_end (&end))
{
- if (gtk_text_iter_backward_line (&start) && !gtk_text_iter_ends_line (&start))
+ 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;
+ count++;
}
if (count == 0)
{
if (!gtk_text_iter_ends_line (&start))
+ {
gtk_text_iter_forward_to_line_end (&start);
+ }
}
else
{
@@ -728,14 +732,15 @@ gedit_view_delete_from_cursor (GtkTextView *text_view,
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)
+ * 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;
@@ -751,18 +756,15 @@ gedit_view_create_buffer (GtkTextView *text_view)
static void
gedit_view_class_init (GeditViewClass *klass)
{
- GObjectClass *object_class = G_OBJECT_CLASS (klass);
- GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (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;
+ GtkBindingSet *binding_set;
object_class->dispose = gedit_view_dispose;
object_class->constructed = gedit_view_constructed;
- widget_class->focus_out_event = gedit_view_focus_out;
-
- /*
- * Override the gtk_text_view_drag_motion and drag_drop
+ /* 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
@@ -771,13 +773,14 @@ gedit_view_class_init (GeditViewClass *klass)
*
* If the drag context has any other mime type, then pass the
* information onto the GtkTextView's standard handlers.
- * (widget_class->function_name).
*
* 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;
@@ -785,17 +788,25 @@ gedit_view_class_init (GeditViewClass *klass)
text_view_class->delete_from_cursor = gedit_view_delete_from_cursor;
text_view_class->create_buffer = gedit_view_create_buffer;
- /* A new signal DROP_URIS has been added to allow plugins to intercept
- * the default dnd behaviour of 'text/uri-list'. GeditView now handles
- * dnd in the default handlers of drag_drop, drag_motion and
- * drag_data_received. The view emits drop_uris from drag_data_received
- * if valid uris have been dropped. Plugins should connect to
- * drag_motion, drag_drop and drag_data_received to change this
- * default behaviour. They should _NOT_ use this signal because this
- * will not prevent gedit from loading the uri
+ /**
+ * 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_signal_new ("drop-uris",
G_TYPE_FROM_CLASS (object_class),
G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
G_STRUCT_OFFSET (GeditViewClass, drop_uris),
@@ -817,11 +828,13 @@ gedit_view_class_init (GeditViewClass *klass)
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,
@@ -836,8 +849,8 @@ gedit_view_class_init (GeditViewClass *klass)
* Creates a new #GeditView object displaying the @doc document.
* @doc cannot be %NULL.
*
- * Return value: a new #GeditView
- **/
+ * Returns: a new #GeditView.
+ */
GtkWidget *
gedit_view_new (GeditDocument *doc)
{
@@ -857,7 +870,6 @@ gedit_view_cut_clipboard (GeditView *view)
g_return_if_fail (GEDIT_IS_VIEW (view));
buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (view));
- g_return_if_fail (buffer != NULL);
clipboard = gtk_widget_get_clipboard (GTK_WIDGET (view),
GDK_SELECTION_CLIPBOARD);
@@ -885,7 +897,6 @@ gedit_view_copy_clipboard (GeditView *view)
g_return_if_fail (GEDIT_IS_VIEW (view));
buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (view));
- g_return_if_fail (buffer != NULL);
clipboard = gtk_widget_get_clipboard (GTK_WIDGET (view),
GDK_SELECTION_CLIPBOARD);
@@ -906,7 +917,6 @@ gedit_view_paste_clipboard (GeditView *view)
g_return_if_fail (GEDIT_IS_VIEW (view));
buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (view));
- g_return_if_fail (buffer != NULL);
clipboard = gtk_widget_get_clipboard (GTK_WIDGET (view),
GDK_SELECTION_CLIPBOARD);
@@ -930,7 +940,7 @@ gedit_view_paste_clipboard (GeditView *view)
*
* 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)
{
@@ -941,7 +951,6 @@ gedit_view_delete_selection (GeditView *view)
g_return_if_fail (GEDIT_IS_VIEW (view));
buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (view));
- g_return_if_fail (buffer != NULL);
gtk_text_buffer_delete_selection (buffer,
TRUE,
@@ -959,20 +968,20 @@ gedit_view_delete_selection (GeditView *view)
* gedit_view_select_all:
* @view: a #GeditView
*
- * Selects all the text displayed in the @view.
- **/
+ * Selects all the text.
+ */
void
gedit_view_select_all (GeditView *view)
{
- GtkTextBuffer *buffer ;
- GtkTextIter start, end;
+ 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));
- g_return_if_fail (buffer != NULL);
gtk_text_buffer_get_bounds (buffer, &start, &end);
gtk_text_buffer_select_range (buffer, &start, &end);
@@ -983,18 +992,17 @@ gedit_view_select_all (GeditView *view)
* @view: a #GeditView
*
* Scrolls the @view to the cursor position.
- **/
+ */
void
gedit_view_scroll_to_cursor (GeditView *view)
{
- GtkTextBuffer* buffer;
+ GtkTextBuffer *buffer;
gedit_debug (DEBUG_VIEW);
g_return_if_fail (GEDIT_IS_VIEW (view));
buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (view));
- g_return_if_fail (buffer != NULL);
gtk_text_view_scroll_to_mark (GTK_TEXT_VIEW (view),
gtk_text_buffer_get_insert (buffer),
@@ -1004,19 +1012,18 @@ gedit_view_scroll_to_cursor (GeditView *view)
0.0);
}
-/* FIXME this is an issue for introspection */
/**
* gedit_view_set_font:
* @view: a #GeditView
- * @def: whether to reset the default font
+ * @default_font: whether to reset to the default font
* @font_name: the name of the font to use
*
- * If @def is #TRUE, resets the font of the @view to the default font
- * otherwise sets it to @font_name.
- **/
+ * 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 def,
+ gboolean default_font,
const gchar *font_name)
{
PangoFontDescription *font_desc;
@@ -1025,7 +1032,7 @@ gedit_view_set_font (GeditView *view,
g_return_if_fail (GEDIT_IS_VIEW (view));
- if (def)
+ if (default_font)
{
GObject *settings;
gchar *font;
diff --git a/gedit/gedit-view.h b/gedit/gedit-view.h
index ebf956e..33dc728 100644
--- a/gedit/gedit-view.h
+++ b/gedit/gedit-view.h
@@ -30,9 +30,6 @@
G_BEGIN_DECLS
-/*
- * Type checking and casting macros
- */
#define GEDIT_TYPE_VIEW (gedit_view_get_type ())
#define GEDIT_VIEW(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj), GEDIT_TYPE_VIEW, GeditView))
#define GEDIT_VIEW_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass), GEDIT_TYPE_VIEW, GeditViewClass))
@@ -40,27 +37,18 @@ G_BEGIN_DECLS
#define GEDIT_IS_VIEW_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GEDIT_TYPE_VIEW))
#define GEDIT_VIEW_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS((obj), GEDIT_TYPE_VIEW, GeditViewClass))
-/* Private structure type */
-typedef struct _GeditViewPrivate GeditViewPrivate;
-
-/*
- * Main object structure
- */
typedef struct _GeditView GeditView;
+typedef struct _GeditViewClass GeditViewClass;
+typedef struct _GeditViewPrivate GeditViewPrivate;
struct _GeditView
{
GtkSourceView view;
- /*< private > */
+ /*< private >*/
GeditViewPrivate *priv;
};
-/*
- * Class definition
- */
-typedef struct _GeditViewClass GeditViewClass;
-
struct _GeditViewClass
{
GtkSourceViewClass parent_class;
@@ -71,9 +59,6 @@ struct _GeditViewClass
gpointer padding;
};
-/*
- * Public methods
- */
GType gedit_view_get_type (void) G_GNUC_CONST;
GtkWidget *gedit_view_new (GeditDocument *doc);
@@ -87,7 +72,7 @@ void gedit_view_select_all (GeditView *view);
void gedit_view_scroll_to_cursor (GeditView *view);
void gedit_view_set_font (GeditView *view,
- gboolean def,
+ gboolean default_font,
const gchar *font_name);
G_END_DECLS
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