/* 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 .
*/
#include "config.h"
#include
#include "libgimpwidgets/gimpwidgets.h"
#include "actions-types.h"
#include "core/gimp.h"
#include "core/gimpcontext.h"
#include "core/gimpdatafactory.h"
#include "core/gimpgradient.h"
#include "widgets/gimpcolordialog.h"
#include "widgets/gimpdialogfactory.h"
#include "widgets/gimpgradienteditor.h"
#include "widgets/gimphelp-ids.h"
#include "widgets/gimpuimanager.h"
#include "widgets/gimpviewabledialog.h"
#include "gradient-editor-commands.h"
#include "gimp-intl.h"
/* local function prototypes */
static void gradient_editor_left_color_update (GimpColorDialog *dialog,
const GimpRGB *color,
GimpColorDialogState state,
GimpGradientEditor *editor);
static void gradient_editor_right_color_update (GimpColorDialog *dialog,
const GimpRGB *color,
GimpColorDialogState state,
GimpGradientEditor *editor);
static GimpGradientSegment *
gradient_editor_save_selection (GimpGradientEditor *editor);
static void gradient_editor_replace_selection (GimpGradientEditor *editor,
GimpGradientSegment *replace_seg);
static void gradient_editor_split_uniform_response (GtkWidget *widget,
gint response_id,
GimpGradientEditor *editor);
static void gradient_editor_replicate_response (GtkWidget *widget,
gint response_id,
GimpGradientEditor *editor);
/* public functionss */
void
gradient_editor_left_color_cmd_callback (GtkAction *action,
gpointer data)
{
GimpGradientEditor *editor = GIMP_GRADIENT_EDITOR (data);
GimpGradient *gradient;
gradient = GIMP_GRADIENT (GIMP_DATA_EDITOR (editor)->data);
editor->left_saved_dirty = gimp_data_is_dirty (GIMP_DATA (gradient));
editor->left_saved_segments = gradient_editor_save_selection (editor);
editor->color_dialog =
gimp_color_dialog_new (GIMP_VIEWABLE (gradient),
GIMP_DATA_EDITOR (editor)->context,
_("Left Endpoint Color"),
GIMP_STOCK_GRADIENT,
_("Gradient Segment's Left Endpoint Color"),
GTK_WIDGET (editor),
gimp_dialog_factory_get_singleton (),
"gimp-gradient-editor-color-dialog",
&editor->control_sel_l->left_color,
TRUE, TRUE);
g_signal_connect (editor->color_dialog, "destroy",
G_CALLBACK (gtk_widget_destroyed),
&editor->color_dialog);
g_signal_connect (editor->color_dialog, "update",
G_CALLBACK (gradient_editor_left_color_update),
editor);
gtk_widget_set_sensitive (GTK_WIDGET (editor), FALSE);
gimp_ui_manager_update (gimp_editor_get_ui_manager (GIMP_EDITOR (editor)),
gimp_editor_get_popup_data (GIMP_EDITOR (editor)));
gtk_window_present (GTK_WINDOW (editor->color_dialog));
}
void
gradient_editor_left_color_type_cmd_callback (GtkAction *action,
GtkAction *current,
gpointer data)
{
GimpGradientEditor *editor = GIMP_GRADIENT_EDITOR (data);
GimpGradient *gradient;
gint value;
gradient = GIMP_GRADIENT (GIMP_DATA_EDITOR (editor)->data);
value = gtk_radio_action_get_current_value (GTK_RADIO_ACTION (action));
if (gradient && value >= 0)
{
GimpGradientColor color_type = value;
GimpRGB color;
gimp_gradient_get_color_at (gradient,
GIMP_DATA_EDITOR (editor)->context,
editor->control_sel_l,
editor->control_sel_l->left, FALSE,
&color);
gimp_data_freeze (GIMP_DATA (gradient));
gimp_gradient_segment_set_left_color_type (gradient,
editor->control_sel_l,
color_type);
if (color_type == GIMP_GRADIENT_COLOR_FIXED)
gimp_gradient_segment_set_left_color (gradient,
editor->control_sel_l,
&color);
gimp_data_thaw (GIMP_DATA (gradient));
}
}
void
gradient_editor_load_left_cmd_callback (GtkAction *action,
gint value,
gpointer data)
{
GimpGradientEditor *editor = GIMP_GRADIENT_EDITOR (data);
GimpDataEditor *data_editor = GIMP_DATA_EDITOR (data);
GimpGradient *gradient;
GimpGradientSegment *seg;
GimpRGB color;
GimpGradientColor color_type = GIMP_GRADIENT_COLOR_FIXED;
gradient = GIMP_GRADIENT (data_editor->data);
switch (value)
{
case GRADIENT_EDITOR_COLOR_NEIGHBOR_ENDPOINT:
if (editor->control_sel_l->prev != NULL)
seg = editor->control_sel_l->prev;
else
seg = gimp_gradient_segment_get_last (editor->control_sel_l);
color = seg->right_color;
color_type = seg->right_color_type;
break;
case GRADIENT_EDITOR_COLOR_OTHER_ENDPOINT:
color = editor->control_sel_r->right_color;
color_type = editor->control_sel_l->right_color_type;
break;
case GRADIENT_EDITOR_COLOR_FOREGROUND:
gimp_context_get_foreground (data_editor->context, &color);
break;
case GRADIENT_EDITOR_COLOR_BACKGROUND:
gimp_context_get_background (data_editor->context, &color);
break;
default: /* Load a color */
color = editor->saved_colors[value - GRADIENT_EDITOR_COLOR_FIRST_CUSTOM];
break;
}
gimp_data_freeze (GIMP_DATA (gradient));
gimp_gradient_segment_range_blend (gradient,
editor->control_sel_l,
editor->control_sel_r,
&color,
&editor->control_sel_r->right_color,
TRUE, TRUE);
gimp_gradient_segment_set_left_color_type (gradient,
editor->control_sel_l,
color_type);
gimp_data_thaw (GIMP_DATA (gradient));
}
void
gradient_editor_save_left_cmd_callback (GtkAction *action,
gint value,
gpointer data)
{
GimpGradientEditor *editor = GIMP_GRADIENT_EDITOR (data);
GimpGradient *gradient;
gradient = GIMP_GRADIENT (GIMP_DATA_EDITOR (editor)->data);
gimp_gradient_segment_get_left_color (gradient, editor->control_sel_l,
&editor->saved_colors[value]);
}
void
gradient_editor_right_color_cmd_callback (GtkAction *action,
gpointer data)
{
GimpGradientEditor *editor = GIMP_GRADIENT_EDITOR (data);
GimpGradient *gradient;
gradient = GIMP_GRADIENT (GIMP_DATA_EDITOR (editor)->data);
editor->right_saved_dirty = gimp_data_is_dirty (GIMP_DATA (gradient));
editor->right_saved_segments = gradient_editor_save_selection (editor);
editor->color_dialog =
gimp_color_dialog_new (GIMP_VIEWABLE (gradient),
GIMP_DATA_EDITOR (editor)->context,
_("Right Endpoint Color"),
GIMP_STOCK_GRADIENT,
_("Gradient Segment's Right Endpoint Color"),
GTK_WIDGET (editor),
gimp_dialog_factory_get_singleton (),
"gimp-gradient-editor-color-dialog",
&editor->control_sel_l->right_color,
TRUE, TRUE);
g_signal_connect (editor->color_dialog, "destroy",
G_CALLBACK (gtk_widget_destroyed),
&editor->color_dialog);
g_signal_connect (editor->color_dialog, "update",
G_CALLBACK (gradient_editor_right_color_update),
editor);
gtk_widget_set_sensitive (GTK_WIDGET (editor), FALSE);
gimp_ui_manager_update (gimp_editor_get_ui_manager (GIMP_EDITOR (editor)),
gimp_editor_get_popup_data (GIMP_EDITOR (editor)));
gtk_window_present (GTK_WINDOW (editor->color_dialog));
}
void
gradient_editor_right_color_type_cmd_callback (GtkAction *action,
GtkAction *current,
gpointer data)
{
GimpGradientEditor *editor = GIMP_GRADIENT_EDITOR (data);
GimpGradient *gradient;
gint value;
gradient = GIMP_GRADIENT (GIMP_DATA_EDITOR (editor)->data);
value = gtk_radio_action_get_current_value (GTK_RADIO_ACTION (action));
if (gradient && value >= 0)
{
GimpGradientColor color_type = value;
GimpRGB color;
gimp_gradient_get_color_at (gradient,
GIMP_DATA_EDITOR (editor)->context,
editor->control_sel_r,
editor->control_sel_r->right, FALSE,
&color);
gimp_data_freeze (GIMP_DATA (gradient));
gimp_gradient_segment_set_right_color_type (gradient,
editor->control_sel_r,
color_type);
if (color_type == GIMP_GRADIENT_COLOR_FIXED)
gimp_gradient_segment_set_right_color (gradient,
editor->control_sel_r,
&color);
gimp_data_thaw (GIMP_DATA (gradient));
}
}
void
gradient_editor_load_right_cmd_callback (GtkAction *action,
gint value,
gpointer data)
{
GimpGradientEditor *editor = GIMP_GRADIENT_EDITOR (data);
GimpDataEditor *data_editor = GIMP_DATA_EDITOR (data);
GimpGradient *gradient;
GimpGradientSegment *seg;
GimpRGB color;
GimpGradientColor color_type = GIMP_GRADIENT_COLOR_FIXED;
gradient = GIMP_GRADIENT (data_editor->data);
switch (value)
{
case GRADIENT_EDITOR_COLOR_NEIGHBOR_ENDPOINT:
if (editor->control_sel_r->next != NULL)
seg = editor->control_sel_r->next;
else
seg = gimp_gradient_segment_get_first (editor->control_sel_r);
color = seg->left_color;
color_type = seg->left_color_type;
break;
case GRADIENT_EDITOR_COLOR_OTHER_ENDPOINT:
color = editor->control_sel_l->left_color;
color_type = editor->control_sel_l->left_color_type;
break;
case GRADIENT_EDITOR_COLOR_FOREGROUND:
gimp_context_get_foreground (data_editor->context, &color);
break;
case GRADIENT_EDITOR_COLOR_BACKGROUND:
gimp_context_get_background (data_editor->context, &color);
break;
default: /* Load a color */
color = editor->saved_colors[value - GRADIENT_EDITOR_COLOR_FIRST_CUSTOM];
break;
}
gimp_data_freeze (GIMP_DATA (gradient));
gimp_gradient_segment_range_blend (gradient,
editor->control_sel_l,
editor->control_sel_r,
&editor->control_sel_l->left_color,
&color,
TRUE, TRUE);
gimp_gradient_segment_set_right_color_type (gradient,
editor->control_sel_l,
color_type);
gimp_data_thaw (GIMP_DATA (gradient));
}
void
gradient_editor_save_right_cmd_callback (GtkAction *action,
gint value,
gpointer data)
{
GimpGradientEditor *editor = GIMP_GRADIENT_EDITOR (data);
GimpGradient *gradient;
gradient = GIMP_GRADIENT (GIMP_DATA_EDITOR (editor)->data);
gimp_gradient_segment_get_right_color (gradient, editor->control_sel_r,
&editor->saved_colors[value]);
}
void
gradient_editor_blending_func_cmd_callback (GtkAction *action,
GtkAction *current,
gpointer data)
{
GimpGradientEditor *editor = GIMP_GRADIENT_EDITOR (data);
GimpGradient *gradient;
gint value;
gradient = GIMP_GRADIENT (GIMP_DATA_EDITOR (editor)->data);
value = gtk_radio_action_get_current_value (GTK_RADIO_ACTION (action));
if (gradient && value >= 0)
{
GimpGradientSegmentType type = value;
gimp_gradient_segment_range_set_blending_function (gradient,
editor->control_sel_l,
editor->control_sel_r,
type);
}
}
void
gradient_editor_coloring_type_cmd_callback (GtkAction *action,
GtkAction *current,
gpointer data)
{
GimpGradientEditor *editor = GIMP_GRADIENT_EDITOR (data);
GimpGradient *gradient;
gint value;
gradient = GIMP_GRADIENT (GIMP_DATA_EDITOR (editor)->data);
value = gtk_radio_action_get_current_value (GTK_RADIO_ACTION (action));
if (gradient && value >= 0)
{
GimpGradientSegmentColor color = value;
gimp_gradient_segment_range_set_coloring_type (gradient,
editor->control_sel_l,
editor->control_sel_r,
color);
}
}
void
gradient_editor_flip_cmd_callback (GtkAction *action,
gpointer data)
{
GimpGradientEditor *editor = GIMP_GRADIENT_EDITOR (data);
GimpGradient *gradient;
gradient = GIMP_GRADIENT (GIMP_DATA_EDITOR (editor)->data);
gimp_gradient_segment_range_flip (gradient,
editor->control_sel_l,
editor->control_sel_r,
&editor->control_sel_l,
&editor->control_sel_r);
}
void
gradient_editor_replicate_cmd_callback (GtkAction *action,
gpointer data)
{
GimpGradientEditor *editor = GIMP_GRADIENT_EDITOR (data);
GimpDataEditor *data_editor = GIMP_DATA_EDITOR (data);
GtkWidget *dialog;
GtkWidget *vbox;
GtkWidget *label;
GtkWidget *scale;
GtkAdjustment *scale_data;
const gchar *title;
const gchar *desc;
if (editor->control_sel_l == editor->control_sel_r)
{
title = _("Replicate Segment");
desc = _("Replicate Gradient Segment");
}
else
{
title = _("Replicate Selection");
desc = _("Replicate Gradient Selection");
}
dialog =
gimp_viewable_dialog_new (GIMP_VIEWABLE (data_editor->data),
data_editor->context,
title, "gimp-gradient-segment-replicate",
GIMP_STOCK_GRADIENT, desc,
GTK_WIDGET (editor),
gimp_standard_help_func,
GIMP_HELP_GRADIENT_EDITOR_REPLICATE,
GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL,
_("Replicate"), GTK_RESPONSE_OK,
NULL);
gtk_dialog_set_alternative_button_order (GTK_DIALOG (dialog),
GTK_RESPONSE_OK,
GTK_RESPONSE_CANCEL,
-1);
g_signal_connect (dialog, "response",
G_CALLBACK (gradient_editor_replicate_response),
editor);
vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 12);
gtk_container_set_border_width (GTK_CONTAINER (vbox), 12);
gtk_box_pack_start (GTK_BOX (gtk_dialog_get_content_area (GTK_DIALOG (dialog))),
vbox, TRUE, TRUE, 0);
gtk_widget_show (vbox);
/* Instructions */
if (editor->control_sel_l == editor->control_sel_r)
label = gtk_label_new (_("Select the number of times\n"
"to replicate the selected segment."));
else
label = gtk_label_new (_("Select the number of times\n"
"to replicate the selection."));
gtk_box_pack_start (GTK_BOX (vbox), label, FALSE, FALSE, 0);
gtk_widget_show (label);
/* Scale */
editor->replicate_times = 2;
scale_data = GTK_ADJUSTMENT (gtk_adjustment_new (2.0, 2.0, 21.0, 1.0, 1.0, 1.0));
scale = gtk_scale_new (GTK_ORIENTATION_HORIZONTAL, scale_data);
gtk_scale_set_digits (GTK_SCALE (scale), 0);
gtk_scale_set_value_pos (GTK_SCALE (scale), GTK_POS_TOP);
gtk_box_pack_start (GTK_BOX (vbox), scale, FALSE, TRUE, 4);
gtk_widget_show (scale);
g_signal_connect (scale_data, "value-changed",
G_CALLBACK (gimp_int_adjustment_update),
&editor->replicate_times);
gtk_widget_set_sensitive (GTK_WIDGET (editor), FALSE);
gimp_ui_manager_update (gimp_editor_get_ui_manager (GIMP_EDITOR (editor)),
gimp_editor_get_popup_data (GIMP_EDITOR (editor)));
gtk_widget_show (dialog);
}
void
gradient_editor_split_midpoint_cmd_callback (GtkAction *action,
gpointer data)
{
GimpGradientEditor *editor = GIMP_GRADIENT_EDITOR (data);
GimpDataEditor *data_editor = GIMP_DATA_EDITOR (data);
GimpGradient *gradient = GIMP_GRADIENT (data_editor->data);
gimp_gradient_segment_range_split_midpoint (gradient,
data_editor->context,
editor->control_sel_l,
editor->control_sel_r,
&editor->control_sel_l,
&editor->control_sel_r);
}
void
gradient_editor_split_uniformly_cmd_callback (GtkAction *action,
gpointer data)
{
GimpGradientEditor *editor = GIMP_GRADIENT_EDITOR (data);
GimpDataEditor *data_editor = GIMP_DATA_EDITOR (data);
GtkWidget *dialog;
GtkWidget *vbox;
GtkWidget *label;
GtkWidget *scale;
GtkAdjustment *scale_data;
const gchar *title;
const gchar *desc;
if (editor->control_sel_l == editor->control_sel_r)
{
title = _("Split Segment Uniformly");
desc = _("Split Gradient Segment Uniformly");
}
else
{
title = _("Split Segments Uniformly");
desc = _("Split Gradient Segments Uniformly");
}
dialog =
gimp_viewable_dialog_new (GIMP_VIEWABLE (data_editor->data),
data_editor->context,
title, "gimp-gradient-segment-split-uniformly",
GIMP_STOCK_GRADIENT, desc,
GTK_WIDGET (editor),
gimp_standard_help_func,
GIMP_HELP_GRADIENT_EDITOR_SPLIT_UNIFORM,
GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL,
_("Split"), GTK_RESPONSE_OK,
NULL);
gtk_dialog_set_alternative_button_order (GTK_DIALOG (dialog),
GTK_RESPONSE_OK,
GTK_RESPONSE_CANCEL,
-1);
g_signal_connect (dialog, "response",
G_CALLBACK (gradient_editor_split_uniform_response),
editor);
/* The main vbox */
vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 12);
gtk_container_set_border_width (GTK_CONTAINER (vbox), 12);
gtk_box_pack_start (GTK_BOX (gtk_dialog_get_content_area (GTK_DIALOG (dialog))),
vbox, TRUE, TRUE, 0);
gtk_widget_show (vbox);
/* Instructions */
if (editor->control_sel_l == editor->control_sel_r)
label = gtk_label_new (_("Select the number of uniform parts\n"
"in which to split the selected segment."));
else
label = gtk_label_new (_("Select the number of uniform parts\n"
"in which to split the segments in the selection."));
gtk_box_pack_start (GTK_BOX (vbox), label, FALSE, FALSE, 0);
gtk_widget_show (label);
/* Scale */
editor->split_parts = 2;
scale_data = GTK_ADJUSTMENT (gtk_adjustment_new (2.0, 2.0, 21.0, 1.0, 1.0, 1.0));
scale = gtk_scale_new (GTK_ORIENTATION_HORIZONTAL, scale_data);
gtk_scale_set_digits (GTK_SCALE (scale), 0);
gtk_scale_set_value_pos (GTK_SCALE (scale), GTK_POS_TOP);
gtk_box_pack_start (GTK_BOX (vbox), scale, FALSE, FALSE, 4);
gtk_widget_show (scale);
g_signal_connect (scale_data, "value-changed",
G_CALLBACK (gimp_int_adjustment_update),
&editor->split_parts);
gtk_widget_set_sensitive (GTK_WIDGET (editor), FALSE);
gimp_ui_manager_update (gimp_editor_get_ui_manager (GIMP_EDITOR (editor)),
gimp_editor_get_popup_data (GIMP_EDITOR (editor)));
gtk_widget_show (dialog);
}
void
gradient_editor_delete_cmd_callback (GtkAction *action,
gpointer data)
{
GimpGradientEditor *editor = GIMP_GRADIENT_EDITOR (data);
GimpGradient *gradient;
gradient = GIMP_GRADIENT (GIMP_DATA_EDITOR (editor)->data);
gimp_gradient_segment_range_delete (gradient,
editor->control_sel_l,
editor->control_sel_r,
&editor->control_sel_l,
&editor->control_sel_r);
}
void
gradient_editor_recenter_cmd_callback (GtkAction *action,
gpointer data)
{
GimpGradientEditor *editor = GIMP_GRADIENT_EDITOR (data);
GimpGradient *gradient;
gradient = GIMP_GRADIENT (GIMP_DATA_EDITOR (editor)->data);
gimp_gradient_segment_range_recenter_handles (gradient,
editor->control_sel_l,
editor->control_sel_r);
}
void
gradient_editor_redistribute_cmd_callback (GtkAction *action,
gpointer data)
{
GimpGradientEditor *editor = GIMP_GRADIENT_EDITOR (data);
GimpGradient *gradient;
gradient = GIMP_GRADIENT (GIMP_DATA_EDITOR (editor)->data);
gimp_gradient_segment_range_redistribute_handles (gradient,
editor->control_sel_l,
editor->control_sel_r);
}
void
gradient_editor_blend_color_cmd_callback (GtkAction *action,
gpointer data)
{
GimpGradientEditor *editor = GIMP_GRADIENT_EDITOR (data);
GimpGradient *gradient;
gradient = GIMP_GRADIENT (GIMP_DATA_EDITOR (editor)->data);
gimp_gradient_segment_range_blend (gradient,
editor->control_sel_l,
editor->control_sel_r,
&editor->control_sel_l->left_color,
&editor->control_sel_r->right_color,
TRUE, FALSE);
}
void
gradient_editor_blend_opacity_cmd_callback (GtkAction *action,
gpointer data)
{
GimpGradientEditor *editor = GIMP_GRADIENT_EDITOR (data);
GimpGradient *gradient;
gradient = GIMP_GRADIENT (GIMP_DATA_EDITOR (editor)->data);
gimp_gradient_segment_range_blend (gradient,
editor->control_sel_l,
editor->control_sel_r,
&editor->control_sel_l->left_color,
&editor->control_sel_r->right_color,
FALSE, TRUE);
}
void
gradient_editor_zoom_cmd_callback (GtkAction *action,
gint value,
gpointer data)
{
GimpGradientEditor *editor = GIMP_GRADIENT_EDITOR (data);
gimp_gradient_editor_zoom (editor, (GimpZoomType) value);
}
/* private functions */
static void
gradient_editor_left_color_update (GimpColorDialog *dialog,
const GimpRGB *color,
GimpColorDialogState state,
GimpGradientEditor *editor)
{
GimpGradient *gradient = GIMP_GRADIENT (GIMP_DATA_EDITOR (editor)->data);
switch (state)
{
case GIMP_COLOR_DIALOG_UPDATE:
gimp_gradient_segment_range_blend (gradient,
editor->control_sel_l,
editor->control_sel_r,
color,
&editor->control_sel_r->right_color,
TRUE, TRUE);
break;
case GIMP_COLOR_DIALOG_OK:
gimp_gradient_segment_range_blend (gradient,
editor->control_sel_l,
editor->control_sel_r,
color,
&editor->control_sel_r->right_color,
TRUE, TRUE);
gimp_gradient_segments_free (editor->left_saved_segments);
gtk_widget_destroy (editor->color_dialog);
editor->color_dialog = NULL;
gtk_widget_set_sensitive (GTK_WIDGET (editor), TRUE);
gimp_ui_manager_update (gimp_editor_get_ui_manager (GIMP_EDITOR (editor)),
gimp_editor_get_popup_data (GIMP_EDITOR (editor)));
break;
case GIMP_COLOR_DIALOG_CANCEL:
gradient_editor_replace_selection (editor, editor->left_saved_segments);
if (! editor->left_saved_dirty)
gimp_data_clean (GIMP_DATA (gradient));
gimp_viewable_invalidate_preview (GIMP_VIEWABLE (gradient));
gtk_widget_destroy (editor->color_dialog);
editor->color_dialog = NULL;
gtk_widget_set_sensitive (GTK_WIDGET (editor), TRUE);
gimp_ui_manager_update (gimp_editor_get_ui_manager (GIMP_EDITOR (editor)),
gimp_editor_get_popup_data (GIMP_EDITOR (editor)));
break;
}
}
static void
gradient_editor_right_color_update (GimpColorDialog *dialog,
const GimpRGB *color,
GimpColorDialogState state,
GimpGradientEditor *editor)
{
GimpGradient *gradient = GIMP_GRADIENT (GIMP_DATA_EDITOR (editor)->data);
switch (state)
{
case GIMP_COLOR_DIALOG_UPDATE:
gimp_gradient_segment_range_blend (gradient,
editor->control_sel_l,
editor->control_sel_r,
&editor->control_sel_l->left_color,
color,
TRUE, TRUE);
break;
case GIMP_COLOR_DIALOG_OK:
gimp_gradient_segment_range_blend (gradient,
editor->control_sel_l,
editor->control_sel_r,
&editor->control_sel_l->left_color,
color,
TRUE, TRUE);
gimp_gradient_segments_free (editor->right_saved_segments);
gtk_widget_destroy (editor->color_dialog);
editor->color_dialog = NULL;
gtk_widget_set_sensitive (GTK_WIDGET (editor), TRUE);
gimp_ui_manager_update (gimp_editor_get_ui_manager (GIMP_EDITOR (editor)),
gimp_editor_get_popup_data (GIMP_EDITOR (editor)));
break;
case GIMP_COLOR_DIALOG_CANCEL:
gradient_editor_replace_selection (editor, editor->right_saved_segments);
if (! editor->right_saved_dirty)
gimp_data_clean (GIMP_DATA (gradient));
gimp_viewable_invalidate_preview (GIMP_VIEWABLE (gradient));
gtk_widget_destroy (editor->color_dialog);
editor->color_dialog = NULL;
gtk_widget_set_sensitive (GTK_WIDGET (editor), TRUE);
gimp_ui_manager_update (gimp_editor_get_ui_manager (GIMP_EDITOR (editor)),
gimp_editor_get_popup_data (GIMP_EDITOR (editor)));
break;
}
}
static GimpGradientSegment *
gradient_editor_save_selection (GimpGradientEditor *editor)
{
GimpGradientSegment *seg, *prev, *tmp;
GimpGradientSegment *oseg, *oaseg;
prev = NULL;
oseg = editor->control_sel_l;
tmp = NULL;
do
{
seg = gimp_gradient_segment_new ();
*seg = *oseg; /* Copy everything */
if (prev == NULL)
tmp = seg; /* Remember first segment */
else
prev->next = seg;
seg->prev = prev;
seg->next = NULL;
prev = seg;
oaseg = oseg;
oseg = oseg->next;
}
while (oaseg != editor->control_sel_r);
return tmp;
}
static void
gradient_editor_replace_selection (GimpGradientEditor *editor,
GimpGradientSegment *replace_seg)
{
GimpGradient *gradient;
GimpGradientSegment *lseg, *rseg;
GimpGradientSegment *replace_last;
gradient = GIMP_GRADIENT (GIMP_DATA_EDITOR (editor)->data);
/* Remember left and right segments */
lseg = editor->control_sel_l->prev;
rseg = editor->control_sel_r->next;
replace_last = gimp_gradient_segment_get_last (replace_seg);
/* Free old selection */
editor->control_sel_r->next = NULL;
gimp_gradient_segments_free (editor->control_sel_l);
/* Link in new segments */
if (lseg)
lseg->next = replace_seg;
else
gradient->segments = replace_seg;
replace_seg->prev = lseg;
if (rseg)
rseg->prev = replace_last;
replace_last->next = rseg;
editor->control_sel_l = replace_seg;
editor->control_sel_r = replace_last;
}
static void
gradient_editor_split_uniform_response (GtkWidget *widget,
gint response_id,
GimpGradientEditor *editor)
{
gtk_widget_destroy (widget);
gtk_widget_set_sensitive (GTK_WIDGET (editor), TRUE);
gimp_ui_manager_update (gimp_editor_get_ui_manager (GIMP_EDITOR (editor)),
gimp_editor_get_popup_data (GIMP_EDITOR (editor)));
if (response_id == GTK_RESPONSE_OK)
{
GimpDataEditor *data_editor = GIMP_DATA_EDITOR (editor);
GimpGradient *gradient = GIMP_GRADIENT (data_editor->data);
gimp_gradient_segment_range_split_uniform (gradient,
data_editor->context,
editor->control_sel_l,
editor->control_sel_r,
editor->split_parts,
&editor->control_sel_l,
&editor->control_sel_r);
}
}
static void
gradient_editor_replicate_response (GtkWidget *widget,
gint response_id,
GimpGradientEditor *editor)
{
gtk_widget_destroy (widget);
gtk_widget_set_sensitive (GTK_WIDGET (editor), TRUE);
gimp_ui_manager_update (gimp_editor_get_ui_manager (GIMP_EDITOR (editor)),
gimp_editor_get_popup_data (GIMP_EDITOR (editor)));
if (response_id == GTK_RESPONSE_OK)
{
GimpGradient *gradient = GIMP_GRADIENT (GIMP_DATA_EDITOR (editor)->data);
gimp_gradient_segment_range_replicate (gradient,
editor->control_sel_l,
editor->control_sel_r,
editor->replicate_times,
&editor->control_sel_l,
&editor->control_sel_r);
}
}