[gimp/wip/Jehan/layers-dockable-refresh: 40/74] app, pdb: get rid of various gimp_image_get_active_channel().




commit 2870c78beb74655d68c4bf5c54e696d854d3b889
Author: Jehan <jehan girinstud io>
Date:   Sun Jun 20 00:16:38 2021 +0200

    app, pdb: get rid of various gimp_image_get_active_channel().
    
    Replace them with gimp_image_get_selected_channels().

 app/actions/image-actions.c         |  2 +-
 app/actions/layers-actions.c        |  4 ++--
 app/actions/layers-commands.c       | 10 ++++++++--
 app/core/gimpimage-quick-mask.c     |  2 +-
 app/dialogs/layer-add-mask-dialog.c | 11 ++++++++---
 app/pdb/internal-procs.c            |  2 +-
 app/pdb/layer-cmds.c                |  8 ++++++--
 pdb/groups/layer.pdb                |  8 ++++++--
 8 files changed, 33 insertions(+), 14 deletions(-)
---
diff --git a/app/actions/image-actions.c b/app/actions/image-actions.c
index ce42238d3c..cdfdef7d4b 100644
--- a/app/actions/image-actions.c
+++ b/app/actions/image-actions.c
@@ -435,7 +435,7 @@ image_actions_update (GimpActionGroup *group,
       is_indexed  = (base_type == GIMP_INDEXED);
       is_u8_gamma = (precision == GIMP_PRECISION_U8_NON_LINEAR);
       is_double   = (component_type == GIMP_COMPONENT_TYPE_DOUBLE);
-      aux         = (gimp_image_get_active_channel (image) != NULL);
+      aux         = (gimp_image_get_selected_channels (image) != NULL);
       lp          = ! gimp_image_is_empty (image);
       sel         = ! gimp_channel_is_empty (gimp_image_get_mask (image));
 
diff --git a/app/actions/layers-actions.c b/app/actions/layers-actions.c
index 898477338f..01b3626e86 100644
--- a/app/actions/layers-actions.c
+++ b/app/actions/layers-actions.c
@@ -766,7 +766,7 @@ layers_actions_update (GimpActionGroup *group,
   GList         *iter           = NULL;
   GimpLayer     *layer          = NULL;
   gboolean       fs             = FALSE;    /*  floating sel           */
-  gboolean       ac             = FALSE;    /*  active channel         */
+  gboolean       ac             = FALSE;    /*  Has selected channels  */
   gboolean       sel            = FALSE;
   gboolean       indexed        = FALSE;    /*  is indexed             */
   gboolean       lock_alpha     = TRUE;
@@ -802,7 +802,7 @@ layers_actions_update (GimpActionGroup *group,
   if (image)
     {
       fs      = (gimp_image_get_floating_selection (image) != NULL);
-      ac      = (gimp_image_get_active_channel (image) != NULL);
+      ac      = (gimp_image_get_selected_channels (image) != NULL);
       sel     = ! gimp_channel_is_empty (gimp_image_get_mask (image));
       indexed = (gimp_image_get_base_type (image) == GIMP_INDEXED);
 
diff --git a/app/actions/layers-commands.c b/app/actions/layers-commands.c
index 32073bfd65..43508337d2 100644
--- a/app/actions/layers-commands.c
+++ b/app/actions/layers-commands.c
@@ -1383,9 +1383,15 @@ layers_mask_add_last_vals_cmd_callback (GimpAction *action,
 
   if (config->layer_add_mask_type == GIMP_ADD_MASK_CHANNEL)
     {
-      channel = gimp_image_get_active_channel (image);
+      GList *selected_channels;
 
-      if (! channel)
+      selected_channels = gimp_image_get_selected_channels (image);
+
+      if (selected_channels)
+        {
+          channel = selected_channels->data;
+        }
+      else
         {
           GimpContainer *channels = gimp_image_get_channels (image);
 
diff --git a/app/core/gimpimage-quick-mask.c b/app/core/gimpimage-quick-mask.c
index d9ad50319e..baff60dec5 100644
--- a/app/core/gimpimage-quick-mask.c
+++ b/app/core/gimpimage-quick-mask.c
@@ -65,7 +65,7 @@ gimp_image_set_quick_mask_state (GimpImage *image,
   if (private->quick_mask_state)
     channel_was_active = (private->quick_mask_state & CHANNEL_WAS_ACTIVE) != 0;
   else
-    channel_was_active = gimp_image_get_active_channel (image) != NULL;
+    channel_was_active = (gimp_image_get_selected_channels (image) != NULL);
 
   /*  Set private->quick_mask_state early so we can return early when
    *  being called recursively.
diff --git a/app/dialogs/layer-add-mask-dialog.c b/app/dialogs/layer-add-mask-dialog.c
index 77f12627b5..c122832b80 100644
--- a/app/dialogs/layer-add-mask-dialog.c
+++ b/app/dialogs/layer-add-mask-dialog.c
@@ -86,6 +86,7 @@ layer_add_mask_dialog_new (GList               *layers,
   GtkWidget          *button;
   GimpImage          *image;
   GimpChannel        *channel;
+  GList              *channels;
   gchar              *title;
   gchar              *desc;
   gint                n_layers = g_list_length (layers);
@@ -169,9 +170,13 @@ layer_add_mask_dialog_new (GList               *layers,
                     G_CALLBACK (layer_add_mask_dialog_channel_selected),
                     private);
 
-  channel = gimp_image_get_active_channel (image);
-
-  if (! channel)
+  channels = gimp_image_get_selected_channels (image);
+  if (channels)
+    /* Mask dialog only requires one channel. Just take any of the
+     * selected ones randomly.
+     */
+    channel = channels->data;
+  else
     channel = GIMP_CHANNEL (gimp_container_get_first_child (gimp_image_get_channels (image)));
 
   gimp_container_view_select_item (GIMP_CONTAINER_VIEW (combo),
diff --git a/app/pdb/internal-procs.c b/app/pdb/internal-procs.c
index 25446a4097..08410e66eb 100644
--- a/app/pdb/internal-procs.c
+++ b/app/pdb/internal-procs.c
@@ -28,7 +28,7 @@
 #include "internal-procs.h"
 
 
-/* 759 procedures registered total */
+/* 761 procedures registered total */
 
 void
 internal_procs_init (GimpPDB *pdb)
diff --git a/app/pdb/layer-cmds.c b/app/pdb/layer-cmds.c
index 53a6068482..131fc40411 100644
--- a/app/pdb/layer-cmds.c
+++ b/app/pdb/layer-cmds.c
@@ -558,10 +558,14 @@ layer_create_mask_invoker (GimpProcedure         *procedure,
 
       if (mask_type == GIMP_ADD_MASK_CHANNEL)
         {
-          channel = gimp_image_get_active_channel (gimp_item_get_image (GIMP_ITEM (layer)));
+          GList *channels;
 
-          if (! channel)
+          channels = gimp_image_get_selected_channels (gimp_item_get_image (GIMP_ITEM (layer)));
+
+          if (! channels)
             success = FALSE;
+          else
+            channel = channels->data;
         }
 
       if (success)
diff --git a/pdb/groups/layer.pdb b/pdb/groups/layer.pdb
index 79057a506e..71b03b59a0 100644
--- a/pdb/groups/layer.pdb
+++ b/pdb/groups/layer.pdb
@@ -358,10 +358,14 @@ HELP
 
   if (mask_type == GIMP_ADD_MASK_CHANNEL)
     {
-      channel = gimp_image_get_active_channel (gimp_item_get_image (GIMP_ITEM (layer)));
+      GList *channels;
 
-      if (! channel)
+      channels = gimp_image_get_selected_channels (gimp_item_get_image (GIMP_ITEM (layer)));
+
+      if (! channels)
         success = FALSE;
+      else
+        channel = channels->data;
     }
 
   if (success)


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