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app: add GimpToolPolygon::change-complete signal

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... which is emitted when finishing a change to the polygon,
similarly to GimpToolRectangle::change-complete.
This commit is contained in:
Ell 2019-04-25 04:25:31 -04:00
parent f84f1d89dc
commit 134ff92fe0
2 changed files with 39 additions and 1 deletions
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37
app/display/gimptoolpolygon.c
View file

@ -37,6 +37,7 @@
#include "display-types.h"
#include "core/gimp-utils.h"
#include "core/gimpmarshal.h"
#include "widgets/gimpwidgets-utils.h"
@ -57,6 +58,13 @@
#define NO_CLICK_TIME_AVAILABLE 0
enum
{
CHANGE_COMPLETE,
LAST_SIGNAL
};
struct _GimpToolPolygonPrivate
{
/* Index of grabbed segment index. */
@ -185,6 +193,8 @@ static gboolean gimp_tool_polygon_get_cursor (GimpToolWidget *widget
GimpToolCursorType *tool_cursor,
GimpCursorModifier *modifier);
static void gimp_tool_polygon_change_complete (GimpToolPolygon *polygon);
static gint gimp_tool_polygon_get_segment_index (GimpToolPolygon *polygon,
const GimpCoords *coords);
@ -194,6 +204,8 @@ G_DEFINE_TYPE_WITH_PRIVATE (GimpToolPolygon, gimp_tool_polygon,
#define parent_class gimp_tool_polygon_parent_class
static guint polygon_signals[LAST_SIGNAL] = { 0, };
static const GimpVector2 vector2_zero = { 0.0, 0.0 };
@ -219,6 +231,15 @@ gimp_tool_polygon_class_init (GimpToolPolygonClass *klass)
widget_class->motion_modifier = gimp_tool_polygon_motion_modifier;
widget_class->hover_modifier = gimp_tool_polygon_hover_modifier;
widget_class->get_cursor = gimp_tool_polygon_get_cursor;
polygon_signals[CHANGE_COMPLETE] =
g_signal_new ("change-complete",
G_TYPE_FROM_CLASS (klass),
G_SIGNAL_RUN_FIRST,
G_STRUCT_OFFSET (GimpToolPolygonClass, change_complete),
NULL, NULL,
g_cclosure_marshal_VOID__VOID,
G_TYPE_NONE, 0);
}
static void
@ -1131,6 +1152,8 @@ gimp_tool_polygon_button_release (GimpToolWidget *widget,
gimp_tool_polygon_revert_to_saved_state (polygon);
priv->polygon_closed = TRUE;
gimp_tool_polygon_change_complete (polygon);
}
priv->last_click_time = time;
@ -1152,6 +1175,8 @@ gimp_tool_polygon_button_release (GimpToolWidget *widget,
{
priv->polygon_closed = TRUE;
}
gimp_tool_polygon_change_complete (polygon);
break;
case GIMP_BUTTON_RELEASE_CANCEL:
@ -1301,12 +1326,16 @@ static gboolean
gimp_tool_polygon_key_press (GimpToolWidget *widget,
GdkEventKey *kevent)
{
GimpToolPolygon *polygon = GIMP_TOOL_POLYGON (widget);
GimpToolPolygon *polygon = GIMP_TOOL_POLYGON (widget);
GimpToolPolygonPrivate *priv = polygon->private;
switch (kevent->keyval)
{
case GDK_KEY_BackSpace:
gimp_tool_polygon_remove_last_segment (polygon);
if (priv->n_segment_indices > 0)
gimp_tool_polygon_change_complete (polygon);
return TRUE;
default:
@ -1382,6 +1411,12 @@ gimp_tool_polygon_get_cursor (GimpToolWidget *widget,
return FALSE;
}
static void
gimp_tool_polygon_change_complete (GimpToolPolygon *polygon)
{
g_signal_emit (polygon, polygon_signals[CHANGE_COMPLETE], 0);
}
static gint
gimp_tool_polygon_get_segment_index (GimpToolPolygon *polygon,
const GimpCoords *coords)

3
app/display/gimptoolpolygon.h
View file

@ -47,6 +47,9 @@ struct _GimpToolPolygon
struct _GimpToolPolygonClass
{
GimpToolWidgetClass parent_class;
/* signals */
void (* change_complete) (GimpToolPolygon *polygon);
};