icon view: Add a directory setting to block moving icons

This is mostly useful on the desktop (which is the main user of the
free-placement icon view) to be able to lock the layout and avoid
unintentionally moving icons around.  Especially useful for less
computer-literate users.

5 files changed, 24 insertions, 1 deletions

diff --git a/libcaja-private/caja-icon-container.c b/libcaja-private/caja-icon-container.c
index 31a326af..a8d9b603 100644
--- a/libcaja-private/caja-icon-container.c
+++ b/libcaja-private/caja-icon-container.c
@@ -2610,7 +2610,7 @@ caja_icon_container_move_icon (CajaIconContainer *container,
         }
     }
 
-    if (!details->auto_layout)
+    if (!details->auto_layout && !details->lock_icons_position)
     {
         if (details->keep_aligned && snap)
         {
@@ -8688,6 +8688,12 @@ caja_icon_container_is_keep_aligned (CajaIconContainer *container)
     return container->details->keep_aligned;
 }
 
+gboolean
+caja_icon_container_is_lock_icons_position (CajaIconContainer *container)
+{
+    return container->details->lock_icons_position;
+}
+
 static gboolean
 align_icons_callback (gpointer callback_data)
 {
@@ -8741,6 +8747,15 @@ caja_icon_container_set_keep_aligned (CajaIconContainer *container,
 }
 
 void
+caja_icon_container_set_lock_icons_position (CajaIconContainer *container,
+                                             gboolean lock_icons_position)
+{
+    g_return_if_fail (CAJA_IS_ICON_CONTAINER (container));
+
+    container->details->lock_icons_position = lock_icons_position;
+}
+
+void
 caja_icon_container_set_layout_mode (CajaIconContainer *container,
                                      CajaIconLayoutMode mode)
 {
diff --git a/libcaja-private/caja-icon-container.h b/libcaja-private/caja-icon-container.h
index 2bc03818..0280e848 100644
--- a/libcaja-private/caja-icon-container.h
+++ b/libcaja-private/caja-icon-container.h
@@ -281,6 +281,9 @@ void              caja_icon_container_set_tighter_layout            (CajaIconCon
 gboolean          caja_icon_container_is_keep_aligned               (CajaIconContainer  *container);
 void              caja_icon_container_set_keep_aligned              (CajaIconContainer  *container,
         gboolean                keep_aligned);
+gboolean          caja_icon_container_is_lock_icons_position        (CajaIconContainer  *container);
+void              caja_icon_container_set_lock_icons_position       (CajaIconContainer *container,
+        gboolean lock_icons_position);
 void              caja_icon_container_set_layout_mode               (CajaIconContainer  *container,
         CajaIconLayoutMode  mode);
 void              caja_icon_container_set_label_position            (CajaIconContainer  *container,
diff --git a/libcaja-private/caja-icon-private.h b/libcaja-private/caja-icon-private.h
index 6d1657d5..80d53234 100644
--- a/libcaja-private/caja-icon-private.h
+++ b/libcaja-private/caja-icon-private.h
@@ -238,6 +238,9 @@ struct CajaIconContainerDetails
     /* Should the container keep icons aligned to a grid */
     gboolean keep_aligned;
 
+    /* Should the container not allow manual icon position */
+    gboolean lock_icons_position;
+
     /* Set to TRUE after first allocation has been done */
     gboolean has_been_allocated;
 
diff --git a/libcaja-private/caja-metadata.c b/libcaja-private/caja-metadata.c
index da831f8b..c7c62e86 100644
--- a/libcaja-private/caja-metadata.c
+++ b/libcaja-private/caja-metadata.c
@@ -35,6 +35,7 @@ static char *used_metadata_names[] =
     CAJA_METADATA_KEY_ICON_VIEW_SORT_BY,
     CAJA_METADATA_KEY_ICON_VIEW_SORT_REVERSED,
     CAJA_METADATA_KEY_ICON_VIEW_KEEP_ALIGNED,
+    CAJA_METADATA_KEY_ICON_VIEW_LOCK_ICONS_POSITION,
     CAJA_METADATA_KEY_ICON_VIEW_LAYOUT_TIMESTAMP,
     CAJA_METADATA_KEY_LIST_VIEW_ZOOM_LEVEL,
     CAJA_METADATA_KEY_LIST_VIEW_SORT_COLUMN,
diff --git a/libcaja-private/caja-metadata.h b/libcaja-private/caja-metadata.h
index 34ac7ac7..e953b78e 100644
--- a/libcaja-private/caja-metadata.h
+++ b/libcaja-private/caja-metadata.h
@@ -45,6 +45,7 @@
 #define CAJA_METADATA_KEY_ICON_VIEW_SORT_BY          	"caja-icon-view-sort-by"
 #define CAJA_METADATA_KEY_ICON_VIEW_SORT_REVERSED    	"caja-icon-view-sort-reversed"
 #define CAJA_METADATA_KEY_ICON_VIEW_KEEP_ALIGNED            "caja-icon-view-keep-aligned"
+#define CAJA_METADATA_KEY_ICON_VIEW_LOCK_ICONS_POSITION	"caja-icon-view-lock-icons-position"
 #define CAJA_METADATA_KEY_ICON_VIEW_LAYOUT_TIMESTAMP	"caja-icon-view-layout-timestamp"
 
 #define CAJA_METADATA_KEY_LIST_VIEW_ZOOM_LEVEL       	"caja-list-view-zoom-level"