1 /* GIMP - The GNU Image Manipulation Program
2  * Copyright (C) 1995 Spencer Kimball and Peter Mattis
3  *
4  * This program is free software: you can redistribute it and/or modify
5  * it under the terms of the GNU General Public License as published by
6  * the Free Software Foundation; either version 3 of the License, or
7  * (at your option) any later version.
8  *
9  * This program is distributed in the hope that it will be useful,
10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
12  * GNU General Public License for more details.
13  *
14  * You should have received a copy of the GNU General Public License
15  * along with this program.  If not, see <https://www.gnu.org/licenses/>.
16  */
17 
18 #include "config.h"
19 
20 #include <gegl.h>
21 #include <gtk/gtk.h>
22 
23 #include "libgimpwidgets/gimpwidgets.h"
24 
25 #include "actions-types.h"
26 
27 #include "core/gimp.h"
28 #include "core/gimpcontext.h"
29 #include "core/gimpimage.h"
30 #include "core/gimplayermask.h"
31 
32 #include "widgets/gimpactiongroup.h"
33 #include "widgets/gimphelp-ids.h"
34 
35 #include "actions.h"
36 #include "drawable-actions.h"
37 #include "drawable-commands.h"
38 
39 #include "gimp-intl.h"
40 
41 
42 static const GimpActionEntry drawable_actions[] =
43 {
44   { "drawable-equalize", NULL,
45     NC_("drawable-action", "_Equalize"), NULL,
46     NC_("drawable-action", "Automatic contrast enhancement"),
47     drawable_equalize_cmd_callback,
48     GIMP_HELP_LAYER_EQUALIZE },
49 
50   { "drawable-levels-stretch", NULL,
51     NC_("drawable-action", "_White Balance"), NULL,
52     NC_("drawable-action", "Automatic white balance correction"),
53     drawable_levels_stretch_cmd_callback,
54     GIMP_HELP_LAYER_WHITE_BALANCE }
55 };
56 
57 static const GimpToggleActionEntry drawable_toggle_actions[] =
58 {
59   { "drawable-visible", GIMP_ICON_VISIBLE,
60     NC_("drawable-action", "Toggle Drawable _Visibility"), NULL, NULL,
61     drawable_visible_cmd_callback,
62     FALSE,
63     GIMP_HELP_LAYER_VISIBLE },
64 
65   { "drawable-linked", GIMP_ICON_LINKED,
66     NC_("drawable-action", "Toggle Drawable _Linked State"), NULL, NULL,
67     drawable_linked_cmd_callback,
68     FALSE,
69     GIMP_HELP_LAYER_LINKED },
70 
71   { "drawable-lock-content", NULL /* GIMP_ICON_LOCK */,
72     NC_("drawable-action", "L_ock Pixels of Drawable"), NULL,
73     NC_("drawable-action",
74         "Keep the pixels on this drawable from being modified"),
75     drawable_lock_content_cmd_callback,
76     FALSE,
77     GIMP_HELP_LAYER_LOCK_PIXELS },
78 
79   { "drawable-lock-position", GIMP_ICON_TOOL_MOVE,
80     NC_("drawable-action", "L_ock Position of Drawable"), NULL,
81     NC_("drawable-action",
82         "Keep the position on this drawable from being modified"),
83     drawable_lock_position_cmd_callback,
84     FALSE,
85     GIMP_HELP_LAYER_LOCK_POSITION },
86 };
87 
88 static const GimpEnumActionEntry drawable_flip_actions[] =
89 {
90   { "drawable-flip-horizontal", GIMP_ICON_OBJECT_FLIP_HORIZONTAL,
91     NC_("drawable-action", "Flip _Horizontally"), NULL,
92     NC_("drawable-action", "Flip drawable horizontally"),
93     GIMP_ORIENTATION_HORIZONTAL, FALSE,
94     GIMP_HELP_LAYER_FLIP_HORIZONTAL },
95 
96   { "drawable-flip-vertical", GIMP_ICON_OBJECT_FLIP_VERTICAL,
97     NC_("drawable-action", "Flip _Vertically"), NULL,
98     NC_("drawable-action", "Flip drawable vertically"),
99     GIMP_ORIENTATION_VERTICAL, FALSE,
100     GIMP_HELP_LAYER_FLIP_VERTICAL }
101 };
102 
103 static const GimpEnumActionEntry drawable_rotate_actions[] =
104 {
105   { "drawable-rotate-90", GIMP_ICON_OBJECT_ROTATE_90,
106     NC_("drawable-action", "Rotate 90° _clockwise"), NULL,
107     NC_("drawable-action", "Rotate drawable 90 degrees to the right"),
108     GIMP_ROTATE_90, FALSE,
109     GIMP_HELP_LAYER_ROTATE_90 },
110 
111   { "drawable-rotate-180", GIMP_ICON_OBJECT_ROTATE_180,
112     NC_("drawable-action", "Rotate _180°"), NULL,
113     NC_("drawable-action", "Turn drawable upside-down"),
114     GIMP_ROTATE_180, FALSE,
115     GIMP_HELP_LAYER_ROTATE_180 },
116 
117   { "drawable-rotate-270", GIMP_ICON_OBJECT_ROTATE_270,
118     NC_("drawable-action", "Rotate 90° counter-clock_wise"), NULL,
119     NC_("drawable-action", "Rotate drawable 90 degrees to the left"),
120     GIMP_ROTATE_270, FALSE,
121     GIMP_HELP_LAYER_ROTATE_270 }
122 };
123 
124 
125 void
drawable_actions_setup(GimpActionGroup * group)126 drawable_actions_setup (GimpActionGroup *group)
127 {
128   gimp_action_group_add_actions (group, "drawable-action",
129                                  drawable_actions,
130                                  G_N_ELEMENTS (drawable_actions));
131 
132   gimp_action_group_add_toggle_actions (group, "drawable-action",
133                                         drawable_toggle_actions,
134                                         G_N_ELEMENTS (drawable_toggle_actions));
135 
136   gimp_action_group_add_enum_actions (group, "drawable-action",
137                                       drawable_flip_actions,
138                                       G_N_ELEMENTS (drawable_flip_actions),
139                                       drawable_flip_cmd_callback);
140 
141   gimp_action_group_add_enum_actions (group, "drawable-action",
142                                       drawable_rotate_actions,
143                                       G_N_ELEMENTS (drawable_rotate_actions),
144                                       drawable_rotate_cmd_callback);
145 
146 #define SET_ALWAYS_SHOW_IMAGE(action,show) \
147         gimp_action_group_set_action_always_show_image (group, action, show)
148 
149   SET_ALWAYS_SHOW_IMAGE ("drawable-rotate-90",  TRUE);
150   SET_ALWAYS_SHOW_IMAGE ("drawable-rotate-180", TRUE);
151   SET_ALWAYS_SHOW_IMAGE ("drawable-rotate-270", TRUE);
152 
153 #undef SET_ALWAYS_SHOW_IMAGE
154 }
155 
156 void
drawable_actions_update(GimpActionGroup * group,gpointer data)157 drawable_actions_update (GimpActionGroup *group,
158                          gpointer         data)
159 {
160   GimpImage    *image;
161   GimpDrawable *drawable     = NULL;
162   gboolean      is_rgb       = FALSE;
163   gboolean      visible      = FALSE;
164   gboolean      linked       = FALSE;
165   gboolean      locked       = FALSE;
166   gboolean      can_lock     = FALSE;
167   gboolean      locked_pos   = FALSE;
168   gboolean      can_lock_pos = FALSE;
169   gboolean      writable     = FALSE;
170   gboolean      movable      = FALSE;
171   gboolean      children     = FALSE;
172 
173   image = action_data_get_image (data);
174 
175   if (image)
176     {
177       drawable = gimp_image_get_active_drawable (image);
178 
179       if (drawable)
180         {
181           GimpItem *item;
182 
183           is_rgb = gimp_drawable_is_rgb (drawable);
184 
185           if (GIMP_IS_LAYER_MASK (drawable))
186             item = GIMP_ITEM (gimp_layer_mask_get_layer (GIMP_LAYER_MASK (drawable)));
187           else
188             item = GIMP_ITEM (drawable);
189 
190           visible       = gimp_item_get_visible (item);
191           linked        = gimp_item_get_linked (item);
192           locked        = gimp_item_get_lock_content (item);
193           can_lock      = gimp_item_can_lock_content (item);
194           writable      = ! gimp_item_is_content_locked (item);
195           locked_pos    = gimp_item_get_lock_position (item);
196           can_lock_pos  = gimp_item_can_lock_position (item);
197           movable       = ! gimp_item_is_position_locked (item);
198 
199           if (gimp_viewable_get_children (GIMP_VIEWABLE (drawable)))
200             children = TRUE;
201         }
202     }
203 
204 #define SET_SENSITIVE(action,condition) \
205         gimp_action_group_set_action_sensitive (group, action, (condition) != 0)
206 #define SET_ACTIVE(action,condition) \
207         gimp_action_group_set_action_active (group, action, (condition) != 0)
208 
209   SET_SENSITIVE ("drawable-equalize",       writable && !children);
210   SET_SENSITIVE ("drawable-levels-stretch", writable && !children && is_rgb);
211 
212   SET_SENSITIVE ("drawable-visible",       drawable);
213   SET_SENSITIVE ("drawable-linked",        drawable);
214   SET_SENSITIVE ("drawable-lock-content",  can_lock);
215   SET_SENSITIVE ("drawable-lock-position", can_lock_pos);
216 
217   SET_ACTIVE ("drawable-visible",       visible);
218   SET_ACTIVE ("drawable-linked",        linked);
219   SET_ACTIVE ("drawable-lock-content",  locked);
220   SET_ACTIVE ("drawable-lock-position", locked_pos);
221 
222   SET_SENSITIVE ("drawable-flip-horizontal", writable && movable);
223   SET_SENSITIVE ("drawable-flip-vertical",   writable && movable);
224 
225   SET_SENSITIVE ("drawable-rotate-90",  writable && movable);
226   SET_SENSITIVE ("drawable-rotate-180", writable && movable);
227   SET_SENSITIVE ("drawable-rotate-270", writable && movable);
228 
229 #undef SET_SENSITIVE
230 #undef SET_ACTIVE
231 }
232