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Diffstat (limited to '')
| -rw-r--r-- | app/tools/gimpoperationtool.c | 914 |
1 files changed, 914 insertions, 0 deletions
diff --git a/app/tools/gimpoperationtool.c b/app/tools/gimpoperationtool.c new file mode 100644 index 0000000..73b9a98 --- /dev/null +++ b/app/tools/gimpoperationtool.c @@ -0,0 +1,914 @@ +/* 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; + gchar **input_pads; + + 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); + + input_pads = gegl_node_list_input_pads (filter_tool->operation); + + if (input_pads) + { + gint i; + + for (i = 0; input_pads[i]; i++) + { + AuxInput *input; + GRegex *regex; + gchar *label; + + if (! strcmp (input_pads[i], "input")) + continue; + + regex = g_regex_new ("^aux(\\d*)$", 0, 0, NULL); + + g_return_if_fail (regex != NULL); + + /* Translators: don't translate "Aux" */ + label = g_regex_replace (regex, + input_pads[i], -1, 0, + _("Aux\\1 Input"), + 0, NULL); + + input = gimp_operation_tool_aux_input_new (op_tool, + filter_tool->operation, + input_pads[i], label); + + op_tool->aux_inputs = g_list_prepend (op_tool->aux_inputs, input); + + g_free (label); + + g_regex_unref (regex); + } + + g_strfreev (input_pads); + } +} + +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); + } + } +} |