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901b0e72110bb9a87f570611c248b57c3f063004
gimp/app/tools/gimpoperationtool.c
Ell 6b11e098da app: don't register action for GimpOperationTool 
Allow creating GimpToolInfo objects with a NULL menu label, and do
that for GimpOperationTool.  The previous commit effectively
removed it from the Preferences tool editor, and this commit also
removes it from the action search.
2020-01-30 02:46:53 +02:00

910 lines
29 KiB
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/* GIMP - The GNU Image Manipulation Program
* Copyright (C) 1995 Spencer Kimball and Peter Mattis
*
* 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 3 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 <https://www.gnu.org/licenses/>.
*/
#include "config.h"
#include <string.h>
#include <gegl.h>
#include <gtk/gtk.h>
#include "libgimpbase/gimpbase.h"
#include "libgimpcolor/gimpcolor.h"
#include "libgimpconfig/gimpconfig.h"
#include "libgimpwidgets/gimpwidgets.h"
#include "tools-types.h"
#include "gegl/gimp-gegl-utils.h"
#include "core/gimpchannel.h"
#include "core/gimpcontainer.h"
#include "core/gimpcontext.h"
#include "core/gimpdrawable.h"
#include "core/gimperror.h"
#include "core/gimpimage.h"
#include "core/gimplist.h"
#include "core/gimpparamspecs-duplicate.h"
#include "core/gimppickable.h"
#include "core/gimpsettings.h"
#include "widgets/gimpbuffersourcebox.h"
#include "widgets/gimphelp-ids.h"
#include "widgets/gimppickablebutton.h"
#include "propgui/gimppropgui.h"
#include "display/gimpdisplay.h"
#include "display/gimptoolgui.h"
#include "gimpfilteroptions.h"
#include "gimpoperationtool.h"
#include "gimp-intl.h"
typedef struct _AuxInput AuxInput;
struct _AuxInput
{
GimpOperationTool *tool;
gchar *pad;
GeglNode *node;
GtkWidget *box;
};
/* local function prototypes */
static void gimp_operation_tool_finalize (GObject *object);
static gboolean gimp_operation_tool_initialize (GimpTool *tool,
GimpDisplay *display,
GError **error);
static void gimp_operation_tool_control (GimpTool *tool,
GimpToolAction action,
GimpDisplay *display);
static gchar * gimp_operation_tool_get_operation (GimpFilterTool *filter_tool,
gchar **description);
static void gimp_operation_tool_dialog (GimpFilterTool *filter_tool);
static void gimp_operation_tool_reset (GimpFilterTool *filter_tool);
static void gimp_operation_tool_set_config (GimpFilterTool *filter_tool,
GimpConfig *config);
static void gimp_operation_tool_region_changed (GimpFilterTool *filter_tool);
static void gimp_operation_tool_color_picked (GimpFilterTool *filter_tool,
gpointer identifier,
gdouble x,
gdouble y,
const Babl *sample_format,
const GimpRGB *color);
static void gimp_operation_tool_options_box_size_allocate (GtkWidget *options_box,
GdkRectangle *allocation,
GimpOperationTool *tool);
static void gimp_operation_tool_halt (GimpOperationTool *op_tool);
static void gimp_operation_tool_commit (GimpOperationTool *op_tool);
static void gimp_operation_tool_sync_op (GimpOperationTool *op_tool,
gboolean sync_colors);
static void gimp_operation_tool_create_gui (GimpOperationTool *tool);
static void gimp_operation_tool_add_gui (GimpOperationTool *tool);
static AuxInput * gimp_operation_tool_aux_input_new (GimpOperationTool *tool,
GeglNode *operation,
const gchar *input_pad,
const gchar *label);
static void gimp_operation_tool_aux_input_detach (AuxInput *input);
static void gimp_operation_tool_aux_input_clear (AuxInput *input);
static void gimp_operation_tool_aux_input_free (AuxInput *input);
static void gimp_operation_tool_unlink_chains (GimpOperationTool *op_tool);
static void gimp_operation_tool_relink_chains (GimpOperationTool *op_tool);
G_DEFINE_TYPE (GimpOperationTool, gimp_operation_tool,
GIMP_TYPE_FILTER_TOOL)
#define parent_class gimp_operation_tool_parent_class
void
gimp_operation_tool_register (GimpToolRegisterCallback callback,
gpointer data)
{
(* callback) (GIMP_TYPE_OPERATION_TOOL,
GIMP_TYPE_FILTER_OPTIONS,
gimp_color_options_gui,
GIMP_CONTEXT_PROP_MASK_FOREGROUND |
GIMP_CONTEXT_PROP_MASK_BACKGROUND,
"gimp-operation-tool",
_("GEGL Operation"),
_("Operation Tool: Use an arbitrary GEGL operation"),
NULL, NULL,
NULL, GIMP_HELP_TOOL_GEGL,
GIMP_ICON_GEGL,
data);
}
static void
gimp_operation_tool_class_init (GimpOperationToolClass *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
GimpToolClass *tool_class = GIMP_TOOL_CLASS (klass);
GimpFilterToolClass *filter_tool_class = GIMP_FILTER_TOOL_CLASS (klass);
object_class->finalize = gimp_operation_tool_finalize;
tool_class->initialize = gimp_operation_tool_initialize;
tool_class->control = gimp_operation_tool_control;
filter_tool_class->get_operation = gimp_operation_tool_get_operation;
filter_tool_class->dialog = gimp_operation_tool_dialog;
filter_tool_class->reset = gimp_operation_tool_reset;
filter_tool_class->set_config = gimp_operation_tool_set_config;
filter_tool_class->region_changed = gimp_operation_tool_region_changed;
filter_tool_class->color_picked = gimp_operation_tool_color_picked;
}
static void
gimp_operation_tool_init (GimpOperationTool *op_tool)
{
}
static void
gimp_operation_tool_finalize (GObject *object)
{
GimpOperationTool *op_tool = GIMP_OPERATION_TOOL (object);
g_clear_pointer (&op_tool->operation, g_free);
g_clear_pointer (&op_tool->description, g_free);
g_list_free_full (op_tool->aux_inputs,
(GDestroyNotify) gimp_operation_tool_aux_input_free);
op_tool->aux_inputs = NULL;
G_OBJECT_CLASS (parent_class)->finalize (object);
}
static gboolean
gimp_operation_tool_initialize (GimpTool *tool,
GimpDisplay *display,
GError **error)
{
if (GIMP_TOOL_CLASS (parent_class)->initialize (tool, display, error))
{
GimpFilterTool *filter_tool = GIMP_FILTER_TOOL (tool);
GimpOperationTool *op_tool = GIMP_OPERATION_TOOL (tool);
if (filter_tool->config)
{
GtkWidget *options_gui;
gimp_operation_tool_sync_op (op_tool, TRUE);
options_gui = g_weak_ref_get (&op_tool->options_gui_ref);
if (! options_gui)
{
gimp_operation_tool_create_gui (op_tool);
gimp_operation_tool_add_gui (op_tool);
}
else
{
g_object_unref (options_gui);
}
}
return TRUE;
}
return FALSE;
}
static void
gimp_operation_tool_control (GimpTool *tool,
GimpToolAction action,
GimpDisplay *display)
{
GimpOperationTool *op_tool = GIMP_OPERATION_TOOL (tool);
switch (action)
{
case GIMP_TOOL_ACTION_PAUSE:
case GIMP_TOOL_ACTION_RESUME:
break;
case GIMP_TOOL_ACTION_HALT:
gimp_operation_tool_halt (op_tool);
break;
case GIMP_TOOL_ACTION_COMMIT:
gimp_operation_tool_commit (op_tool);
break;
}
GIMP_TOOL_CLASS (parent_class)->control (tool, action, display);
}
static gchar *
gimp_operation_tool_get_operation (GimpFilterTool *filter_tool,
gchar **description)
{
GimpOperationTool *op_tool = GIMP_OPERATION_TOOL (filter_tool);
*description = g_strdup (op_tool->description);
return g_strdup (op_tool->operation);
}
static void
gimp_operation_tool_dialog (GimpFilterTool *filter_tool)
{
GimpOperationTool *op_tool = GIMP_OPERATION_TOOL (filter_tool);
GtkWidget *main_vbox;
GtkWidget *options_sw;
GtkWidget *options_gui;
GtkWidget *options_box;
GtkWidget *viewport;
main_vbox = gimp_filter_tool_dialog_get_vbox (filter_tool);
/* The options scrolled window */
options_sw = gtk_scrolled_window_new (NULL, NULL);
g_weak_ref_set (&op_tool->options_sw_ref, options_sw);
gtk_scrolled_window_set_shadow_type (GTK_SCROLLED_WINDOW (options_sw),
GTK_SHADOW_NONE);
gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (options_sw),
GTK_POLICY_NEVER, GTK_POLICY_AUTOMATIC);
gtk_box_pack_start (GTK_BOX (main_vbox), options_sw,
TRUE, TRUE, 0);
gtk_widget_show (options_sw);
viewport = gtk_viewport_new (NULL, NULL);
gtk_viewport_set_shadow_type (GTK_VIEWPORT (viewport), GTK_SHADOW_NONE);
gtk_container_add (GTK_CONTAINER (options_sw), viewport);
gtk_widget_show (viewport);
/* The options vbox */
options_box = gtk_box_new (GTK_ORIENTATION_VERTICAL, 2);
g_weak_ref_set (&op_tool->options_box_ref, options_box);
gtk_container_add (GTK_CONTAINER (viewport), options_box);
gtk_widget_show (options_box);
g_signal_connect (options_box, "size-allocate",
G_CALLBACK (gimp_operation_tool_options_box_size_allocate),
op_tool);
options_gui = g_weak_ref_get (&op_tool->options_gui_ref);
if (options_gui)
{
gimp_operation_tool_add_gui (op_tool);
g_object_unref (options_gui);
}
}
static void
gimp_operation_tool_reset (GimpFilterTool *filter_tool)
{
GimpOperationTool *op_tool = GIMP_OPERATION_TOOL (filter_tool);
gimp_operation_tool_unlink_chains (op_tool);
GIMP_FILTER_TOOL_CLASS (parent_class)->reset (filter_tool);
if (filter_tool->config && GIMP_TOOL (op_tool)->drawable)
gimp_operation_tool_sync_op (op_tool, TRUE);
gimp_operation_tool_relink_chains (op_tool);
}
static void
gimp_operation_tool_set_config (GimpFilterTool *filter_tool,
GimpConfig *config)
{
GimpOperationTool *op_tool = GIMP_OPERATION_TOOL (filter_tool);
gimp_operation_tool_unlink_chains (op_tool);
GIMP_FILTER_TOOL_CLASS (parent_class)->set_config (filter_tool, config);
if (filter_tool->config && GIMP_TOOL (op_tool)->drawable)
gimp_operation_tool_sync_op (op_tool, FALSE);
gimp_operation_tool_relink_chains (op_tool);
}
static void
gimp_operation_tool_region_changed (GimpFilterTool *filter_tool)
{
GimpOperationTool *op_tool = GIMP_OPERATION_TOOL (filter_tool);
/* when the region changes, do we want the operation's on-canvas
* controller to move to a new position, or the operation to
* change its properties to match the on-canvas controller?
*
* decided to leave the on-canvas controller where it is and
* pretend it has changed, so the operation is updated
* accordingly...
*/
if (filter_tool->widget)
g_signal_emit_by_name (filter_tool->widget, "changed");
gimp_operation_tool_sync_op (op_tool, FALSE);
}
static void
gimp_operation_tool_color_picked (GimpFilterTool *filter_tool,
gpointer identifier,
gdouble x,
gdouble y,
const Babl *sample_format,
const GimpRGB *color)
{
gchar **pspecs = g_strsplit (identifier, ":", 2);
if (pspecs[1])
{
GObjectClass *object_class = G_OBJECT_GET_CLASS (filter_tool->config);
GParamSpec *pspec_x;
GParamSpec *pspec_y;
gint off_x, off_y;
GeglRectangle area;
gimp_filter_tool_get_drawable_area (filter_tool, &off_x, &off_y, &area);
x -= off_x + area.x;
y -= off_y + area.y;
pspec_x = g_object_class_find_property (object_class, pspecs[0]);
pspec_y = g_object_class_find_property (object_class, pspecs[1]);
if (pspec_x && pspec_y &&
G_PARAM_SPEC_TYPE (pspec_x) == G_PARAM_SPEC_TYPE (pspec_y))
{
GValue value_x = G_VALUE_INIT;
GValue value_y = G_VALUE_INIT;
g_value_init (&value_x, G_PARAM_SPEC_VALUE_TYPE (pspec_x));
g_value_init (&value_y, G_PARAM_SPEC_VALUE_TYPE (pspec_y));
#define HAS_KEY(p,k,v) gimp_gegl_param_spec_has_key (p, k, v)
if (HAS_KEY (pspec_x, "unit", "relative-coordinate") &&
HAS_KEY (pspec_y, "unit", "relative-coordinate"))
{
x /= (gdouble) area.width;
y /= (gdouble) area.height;
}
if (G_IS_PARAM_SPEC_INT (pspec_x))
{
g_value_set_int (&value_x, x);
g_value_set_int (&value_y, y);
g_param_value_validate (pspec_x, &value_x);
g_param_value_validate (pspec_y, &value_y);
g_object_set (filter_tool->config,
pspecs[0], g_value_get_int (&value_x),
pspecs[1], g_value_get_int (&value_y),
NULL);
}
else if (G_IS_PARAM_SPEC_DOUBLE (pspec_x))
{
g_value_set_double (&value_x, x);
g_value_set_double (&value_y, y);
g_param_value_validate (pspec_x, &value_x);
g_param_value_validate (pspec_y, &value_y);
g_object_set (filter_tool->config,
pspecs[0], g_value_get_double (&value_x),
pspecs[1], g_value_get_double (&value_y),
NULL);
}
else
{
g_warning ("%s: unhandled param spec of type %s",
G_STRFUNC, G_PARAM_SPEC_TYPE_NAME (pspec_x));
}
g_value_unset (&value_x);
g_value_unset (&value_y);
}
}
else
{
g_object_set (filter_tool->config,
pspecs[0], color,
NULL);
}
g_strfreev (pspecs);
}
static void
gimp_operation_tool_options_box_size_allocate (GtkWidget *options_box,
GdkRectangle *allocation,
GimpOperationTool *op_tool)
{
GimpTool *tool = GIMP_TOOL (op_tool);
GtkWidget *shell;
GtkWidget *options_sw;
GdkRectangle workarea;
GtkRequisition minimum;
gint maximum_height;
shell = GTK_WIDGET (gimp_display_get_shell (tool->display));
options_sw = g_weak_ref_get (&op_tool->options_sw_ref);
g_return_if_fail (options_sw != NULL);
gdk_screen_get_monitor_workarea (gtk_widget_get_screen (shell),
gimp_widget_get_monitor (shell), &workarea);
maximum_height = workarea.height / 2;
gtk_widget_size_request (options_box, &minimum);
if (minimum.height > maximum_height)
{
GtkWidget *scrollbar;
minimum.height = maximum_height;
scrollbar = gtk_scrolled_window_get_vscrollbar (
GTK_SCROLLED_WINDOW (options_sw));
if (scrollbar)
{
GtkRequisition req;
gtk_widget_size_request (scrollbar, &req);
minimum.width += req.width;
}
}
gtk_widget_set_size_request (options_sw, minimum.width, minimum.height);
g_object_unref (options_sw);
}
static void
gimp_operation_tool_halt (GimpOperationTool *op_tool)
{
/* don't reset op_tool->operation and op_tool->description so the
* tool can be properly restarted by clicking on an image
*/
g_list_free_full (op_tool->aux_inputs,
(GDestroyNotify) gimp_operation_tool_aux_input_free);
op_tool->aux_inputs = NULL;
}
static void
gimp_operation_tool_commit (GimpOperationTool *op_tool)
{
/* remove the aux input boxes from the dialog, so they don't get
* destroyed when the parent class runs its commit()
*/
g_list_foreach (op_tool->aux_inputs,
(GFunc) gimp_operation_tool_aux_input_detach, NULL);
}
static void
gimp_operation_tool_sync_op (GimpOperationTool *op_tool,
gboolean sync_colors)
{
GimpFilterTool *filter_tool = GIMP_FILTER_TOOL (op_tool);
GimpToolOptions *options = GIMP_TOOL_GET_OPTIONS (op_tool);
GParamSpec **pspecs;
guint n_pspecs;
gint off_x, off_y;
GeglRectangle area;
gint i;
gimp_filter_tool_get_drawable_area (filter_tool, &off_x, &off_y, &area);
pspecs = g_object_class_list_properties (G_OBJECT_GET_CLASS (filter_tool->config),
&n_pspecs);
for (i = 0; i < n_pspecs; i++)
{
GParamSpec *pspec = pspecs[i];
#define HAS_KEY(p,k,v) gimp_gegl_param_spec_has_key (p, k, v)
if (HAS_KEY (pspec, "role", "output-extent"))
{
if (HAS_KEY (pspec, "unit", "pixel-coordinate") &&
HAS_KEY (pspec, "axis", "x"))
{
g_object_set (filter_tool->config, pspec->name, 0, NULL);
}
else if (HAS_KEY (pspec, "unit", "pixel-coordinate") &&
HAS_KEY (pspec, "axis", "y"))
{
g_object_set (filter_tool->config, pspec->name, 0, NULL);
}
else if (HAS_KEY (pspec, "unit", "pixel-distance") &&
HAS_KEY (pspec, "axis", "x"))
{
g_object_set (filter_tool->config, pspec->name, area.width, NULL);
}
else if (HAS_KEY (pspec, "unit", "pixel-distance") &&
HAS_KEY (pspec, "axis", "y"))
{
g_object_set (filter_tool->config, pspec->name, area.height, NULL);
}
}
else if (sync_colors)
{
if (HAS_KEY (pspec, "role", "color-primary"))
{
GimpRGB color;
gimp_context_get_foreground (GIMP_CONTEXT (options), &color);
g_object_set (filter_tool->config, pspec->name, &color, NULL);
}
else if (sync_colors && HAS_KEY (pspec, "role", "color-secondary"))
{
GimpRGB color;
gimp_context_get_background (GIMP_CONTEXT (options), &color);
g_object_set (filter_tool->config, pspec->name, &color, NULL);
}
}
}
g_free (pspecs);
}
static void
gimp_operation_tool_create_gui (GimpOperationTool *op_tool)
{
GimpFilterTool *filter_tool = GIMP_FILTER_TOOL (op_tool);
GtkWidget *options_gui;
gint off_x, off_y;
GeglRectangle area;
gint aux;
gimp_filter_tool_get_drawable_area (filter_tool, &off_x, &off_y, &area);
options_gui =
gimp_prop_gui_new (G_OBJECT (filter_tool->config),
G_TYPE_FROM_INSTANCE (filter_tool->config), 0,
&area,
GIMP_CONTEXT (GIMP_TOOL_GET_OPTIONS (op_tool)),
(GimpCreatePickerFunc) gimp_filter_tool_add_color_picker,
(GimpCreateControllerFunc) gimp_filter_tool_add_controller,
filter_tool);
g_weak_ref_set (&op_tool->options_gui_ref, options_gui);
for (aux = 1; ; aux++)
{
gchar pad[32];
gchar label[32];
if (aux == 1)
{
g_snprintf (pad, sizeof (pad), "aux");
/* don't translate "Aux" */
g_snprintf (label, sizeof (label), _("Aux Input"));
}
else
{
g_snprintf (pad, sizeof (pad), "aux%d", aux);
/* don't translate "Aux" */
g_snprintf (label, sizeof (label), _("Aux%d Input"), aux);
}
if (gegl_node_has_pad (filter_tool->operation, pad))
{
AuxInput *input;
input = gimp_operation_tool_aux_input_new (op_tool,
filter_tool->operation, pad,
label);
op_tool->aux_inputs = g_list_append (op_tool->aux_inputs, input);
}
else
{
break;
}
}
}
static void
gimp_operation_tool_add_gui (GimpOperationTool *op_tool)
{
GtkSizeGroup *size_group = NULL;
GtkWidget *options_gui;
GtkWidget *options_box;
GList *list;
options_gui = g_weak_ref_get (&op_tool->options_gui_ref);
options_box = g_weak_ref_get (&op_tool->options_box_ref);
g_return_if_fail (options_gui && options_box);
for (list = op_tool->aux_inputs; list; list = g_list_next (list))
{
AuxInput *input = list->data;
GtkWidget *toggle;
if (! size_group)
size_group = gtk_size_group_new (GTK_SIZE_GROUP_HORIZONTAL);
toggle =
gimp_buffer_source_box_get_toggle (GIMP_BUFFER_SOURCE_BOX (input->box));
gtk_size_group_add_widget (size_group, toggle);
gtk_box_pack_start (GTK_BOX (options_box), input->box,
FALSE, FALSE, 0);
gtk_widget_show (input->box);
}
if (size_group)
g_object_unref (size_group);
gtk_box_pack_start (GTK_BOX (options_box), options_gui, TRUE, TRUE, 0);
gtk_widget_show (options_gui);
g_object_unref (options_gui);
g_object_unref (options_box);
}
/* aux input utility functions */
static void
gimp_operation_tool_aux_input_notify (GimpBufferSourceBox *box,
const GParamSpec *pspec,
AuxInput *input)
{
GimpFilterTool *filter_tool = GIMP_FILTER_TOOL (input->tool);
/* emit "notify" so GimpFilterTool will update its preview
*
* FIXME: this is a bad hack that should go away once GimpImageMap
* and GimpFilterTool are refactored to be more filter-ish.
*/
if (filter_tool->config)
g_signal_emit_by_name (filter_tool->config,
"notify", NULL);
}
static AuxInput *
gimp_operation_tool_aux_input_new (GimpOperationTool *op_tool,
GeglNode *operation,
const gchar *input_pad,
const gchar *label)
{
AuxInput *input = g_slice_new (AuxInput);
GimpContext *context;
input->tool = op_tool;
input->pad = g_strdup (input_pad);
input->node = gegl_node_new_child (NULL,
"operation", "gegl:buffer-source",
NULL);
gegl_node_connect_to (input->node, "output",
operation, input_pad);
context = GIMP_CONTEXT (GIMP_TOOL_GET_OPTIONS (op_tool));
input->box = gimp_buffer_source_box_new (context, input->node, label);
/* make AuxInput owner of the box */
g_object_ref_sink (input->box);
g_signal_connect (input->box, "notify::pickable",
G_CALLBACK (gimp_operation_tool_aux_input_notify),
input);
g_signal_connect (input->box, "notify::enabled",
G_CALLBACK (gimp_operation_tool_aux_input_notify),
input);
return input;
}
static void
gimp_operation_tool_aux_input_detach (AuxInput *input)
{
GtkWidget *parent = gtk_widget_get_parent (input->box);
if (parent)
gtk_container_remove (GTK_CONTAINER (parent), input->box);
}
static void
gimp_operation_tool_aux_input_clear (AuxInput *input)
{
gimp_operation_tool_aux_input_detach (input);
g_object_set (input->box,
"pickable", NULL,
NULL);
}
static void
gimp_operation_tool_aux_input_free (AuxInput *input)
{
gimp_operation_tool_aux_input_clear (input);
g_free (input->pad);
g_object_unref (input->node);
g_object_unref (input->box);
g_slice_free (AuxInput, input);
}
static void
gimp_operation_tool_unlink_chains (GimpOperationTool *op_tool)
{
GObject *options_gui = g_weak_ref_get (&op_tool->options_gui_ref);
GList *chains;
g_return_if_fail (options_gui != NULL);
chains = g_object_get_data (options_gui, "chains");
while (chains)
{
GimpChainButton *chain = chains->data;
gboolean active;
active = gimp_chain_button_get_active (chain);
g_object_set_data (G_OBJECT (chain), "was-active",
GINT_TO_POINTER (active));
if (active)
{
gimp_chain_button_set_active (chain, FALSE);
}
chains = chains->next;
}
g_object_unref (options_gui);
}
static void
gimp_operation_tool_relink_chains (GimpOperationTool *op_tool)
{
GimpFilterTool *filter_tool = GIMP_FILTER_TOOL (op_tool);
GObject *options_gui = g_weak_ref_get (&op_tool->options_gui_ref);
GList *chains;
g_return_if_fail (options_gui != NULL);
chains = g_object_get_data (options_gui, "chains");
while (chains)
{
GimpChainButton *chain = chains->data;
if (g_object_get_data (G_OBJECT (chain), "was-active"))
{
const gchar *name_x = g_object_get_data (chains->data, "x-property");
const gchar *name_y = g_object_get_data (chains->data, "y-property");
const gchar *names[2] = { name_x, name_y };
GValue values[2] = { G_VALUE_INIT, G_VALUE_INIT };
GValue double_x = G_VALUE_INIT;
GValue double_y = G_VALUE_INIT;
g_object_getv (filter_tool->config, 2, names, values);
g_value_init (&double_x, G_TYPE_DOUBLE);
g_value_init (&double_y, G_TYPE_DOUBLE);
if (g_value_transform (&values[0], &double_x) &&
g_value_transform (&values[1], &double_y) &&
g_value_get_double (&double_x) ==
g_value_get_double (&double_y))
{
gimp_chain_button_set_active (chain, TRUE);
}
g_value_unset (&double_x);
g_value_unset (&double_y);
g_value_unset (&values[0]);
g_value_unset (&values[1]);
g_object_set_data (G_OBJECT (chain), "was-active", NULL);
}
chains = chains->next;
}
g_object_unref (options_gui);
}
/* public functions */
void
gimp_operation_tool_set_operation (GimpOperationTool *op_tool,
const gchar *operation,
const gchar *title,
const gchar *description,
const gchar *undo_desc,
const gchar *icon_name,
const gchar *help_id)
{
GimpTool *tool;
GimpFilterTool *filter_tool;
GtkWidget *options_gui;
g_return_if_fail (GIMP_IS_OPERATION_TOOL (op_tool));
tool = GIMP_TOOL (op_tool);
filter_tool = GIMP_FILTER_TOOL (op_tool);
g_free (op_tool->operation);
g_free (op_tool->description);
op_tool->operation = g_strdup (operation);
op_tool->description = g_strdup (description);
gimp_tool_set_label (tool, title);
gimp_tool_set_undo_desc (tool, undo_desc);
gimp_tool_set_icon_name (tool, icon_name);
gimp_tool_set_help_id (tool, help_id);
g_list_free_full (op_tool->aux_inputs,
(GDestroyNotify) gimp_operation_tool_aux_input_free);
op_tool->aux_inputs = NULL;
gimp_filter_tool_set_widget (filter_tool, NULL);
options_gui = g_weak_ref_get (&op_tool->options_gui_ref);
if (options_gui)
{
gimp_filter_tool_disable_color_picking (filter_tool);
g_object_unref (options_gui);
gtk_widget_destroy (options_gui);
}
if (! operation)
return;
gimp_filter_tool_get_operation (filter_tool);
if (tool->drawable)
gimp_operation_tool_sync_op (op_tool, TRUE);
if (filter_tool->config && tool->display)
{
GtkWidget *options_box;
gimp_operation_tool_create_gui (op_tool);
options_box = g_weak_ref_get (&op_tool->options_box_ref);
if (options_box)
{
gimp_operation_tool_add_gui (op_tool);
g_object_unref (options_box);
}
}
}
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