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workspace-manager: Add API to reorder workspaces

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https://gitlab.gnome.org/GNOME/mutter/merge_requests/670
This commit is contained in:
Adam Bieńkowski 2019-07-05 00:56:24 +02:00 committed by Jonas Ådahl
parent 9bcb50fa09
commit 8038eaa99f
2 changed files with 89 additions and 0 deletions
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84
src/core/meta-workspace-manager.c
View file

@ -41,6 +41,7 @@ enum
WORKSPACE_ADDED,
WORKSPACE_REMOVED,
WORKSPACE_SWITCHED,
WORKSPACES_REORDERED,
ACTIVE_WORKSPACE_CHANGED,
SHOWING_DESKTOP_CHANGED,
LAST_SIGNAL
@ -149,6 +150,21 @@ meta_workspace_manager_class_init (MetaWorkspaceManagerClass *klass)
G_TYPE_INT,
META_TYPE_MOTION_DIRECTION);
/**
* Emitted when calling meta_workspace_manager_reorder_workspace.
*
* This signal is emitted when a workspace has been reordered to
* a different index. Note that other workspaces can change
* their index too when reordering happens.
*/
workspace_manager_signals[WORKSPACES_REORDERED] =
g_signal_new ("workspaces-reordered",
G_TYPE_FROM_CLASS (klass),
G_SIGNAL_RUN_LAST,
0,
NULL, NULL, NULL,
G_TYPE_NONE, 0);
workspace_manager_signals[ACTIVE_WORKSPACE_CHANGED] =
g_signal_new ("active-workspace-changed",
G_TYPE_FROM_CLASS (klass),
@ -475,6 +491,74 @@ meta_workspace_manager_update_num_workspaces (MetaWorkspaceManager *workspace_ma
g_object_notify (G_OBJECT (workspace_manager), "n-workspaces");
}
/**
* meta_workspace_manager_reorder_workspace:
* @workspace_manager: a #MetaWorkspaceManager
* @workspace: a #MetaWorkspace to reorder
* @new_index: the new index of the passed workspace
*
* Reorder a workspace to a new index. If the workspace is currently active
* the "active-workspace-changed" signal will be emited.
* If the workspace's index is the same as @new_index or the workspace
* will not be found in the list, this function will return.
*
* Calling this function will also emit the "workspaces-reordered" signal.
*/
void
meta_workspace_manager_reorder_workspace (MetaWorkspaceManager *workspace_manager,
MetaWorkspace *workspace,
int new_index)
{
GList *l;
GList *from, *to;
int index;
int active_index, new_active_index;
g_return_if_fail (META_IS_WORKSPACE_MANAGER (workspace_manager));
g_return_if_fail (new_index >= 0 &&
new_index < g_list_length (workspace_manager->workspaces));
l = g_list_find (workspace_manager->workspaces, workspace);
g_return_if_fail (l);
index = meta_workspace_index (workspace);
if (new_index == index)
return;
active_index =
meta_workspace_manager_get_active_workspace_index (workspace_manager);
workspace_manager->workspaces =
g_list_remove_link (workspace_manager->workspaces, l);
workspace_manager->workspaces =
g_list_insert (workspace_manager->workspaces, l->data, new_index);
g_list_free (l);
new_active_index =
meta_workspace_manager_get_active_workspace_index (workspace_manager);
if (active_index != new_active_index)
g_signal_emit (workspace_manager,
workspace_manager_signals[ACTIVE_WORKSPACE_CHANGED],
0, NULL);
from = g_list_nth (workspace_manager->workspaces, MIN (new_index, index));
to = g_list_nth (workspace_manager->workspaces, MAX (new_index, index));
for (l = from; l != to->next; l = l->next)
{
MetaWorkspace *w = l->data;
meta_workspace_index_changed (w);
}
meta_display_queue_workarea_recalc (workspace_manager->display);
g_signal_emit (workspace_manager,
workspace_manager_signals[WORKSPACES_REORDERED], 0, NULL);
}
void
meta_workspace_manager_update_workspace_layout (MetaWorkspaceManager *workspace_manager,
MetaDisplayCorner starting_corner,

5
src/meta/meta-workspace-manager.h
View file

@ -57,6 +57,11 @@ MetaWorkspace *meta_workspace_manager_append_new_workspace (MetaWorkspaceManager
gboolean activate,
guint32 timestamp);
META_EXPORT
void meta_workspace_manager_reorder_workspace (MetaWorkspaceManager *workspace_manager,
MetaWorkspace *workspace,
int new_index);
META_EXPORT
int meta_workspace_manager_get_active_workspace_index (MetaWorkspaceManager *workspace_manager);