/**
* meta_workspace_get_neighbor:
* @workspace: a #MetaWorkspace
* @direction: a #MetaMotionDirection, direction in which to look for the neighbor
*
* Gets the neighbor of the #MetaWorkspace in the given direction
*
* Return value: (transfer none): the neighbor #MetaWorkspace
*/
MetaWorkspace*
meta_workspace_get_neighbor (MetaWorkspace *workspace,
MetaMotionDirection direction)
{
MetaWorkspaceLayout layout;
int i, current_space, num_workspaces;
gboolean ltr;
current_space = meta_workspace_index (workspace);
num_workspaces = meta_screen_get_n_workspaces (workspace->screen);
meta_screen_calc_workspace_layout (workspace->screen, num_workspaces,
current_space, &layout);
meta_verbose ("Getting neighbor of %d in direction %s\n",
current_space, meta_motion_direction_to_string (direction));
ltr = meta_ui_get_direction() == META_UI_DIRECTION_LTR;
switch (direction)
{
case META_MOTION_LEFT:
layout.current_col -= ltr ? 1 : -1;
break;
case META_MOTION_RIGHT:
layout.current_col += ltr ? 1 : -1;
break;
case META_MOTION_UP:
layout.current_row -= 1;
break;
case META_MOTION_DOWN:
layout.current_row += 1;
break;
default:;
}
if (layout.current_col < 0)
layout.current_col = 0;
if (layout.current_col >= layout.cols)
layout.current_col = layout.cols - 1;
if (layout.current_row < 0)
layout.current_row = 0;
if (layout.current_row >= layout.rows)
layout.current_row = layout.rows - 1;
i = layout.grid[layout.current_row * layout.cols + layout.current_col];
if (i < 0)
i = current_space;
if (i >= num_workspaces)
meta_bug ("calc_workspace_layout left an invalid (too-high) workspace number %d in the grid\n",
i);
meta_verbose ("Neighbor workspace is %d at row %d col %d\n",
i, layout.current_row, layout.current_col);
meta_screen_free_workspace_layout (&layout);
return meta_screen_get_workspace_by_index (workspace->screen, i);
}
void
meta_core_change_workspace (Display *xdisplay,
Window frame_xwindow,
int new_workspace)
{
MetaWindow *window = get_window (xdisplay, frame_xwindow);
meta_window_change_workspace (window,
meta_screen_get_workspace_by_index (window->screen,
new_workspace));
}
const char*
meta_core_get_workspace_name_with_index (Display *xdisplay,
Window xroot,
int index)
{
MetaDisplay *display;
MetaScreen *screen;
MetaWorkspace *workspace;
display = meta_display_for_x_display (xdisplay);
screen = meta_display_screen_for_root (display, xroot);
g_assert (screen != NULL);
workspace = meta_screen_get_workspace_by_index (screen, index);
return workspace ? meta_workspace_get_name (workspace) : NULL;
}
MetaWorkspace*
meta_workspace_get_neighbor (MetaWorkspace *workspace,
MetaMotionDirection direction)
{
MetaWorkspaceLayout layout;
int i, current_space, num_workspaces;
gboolean ltr;
MetaWrapStyle wrap;
current_space = meta_workspace_index (workspace);
num_workspaces = meta_screen_get_n_workspaces (workspace->screen);
meta_screen_calc_workspace_layout (workspace->screen, num_workspaces,
current_space, &layout);
wrap = meta_prefs_get_wrap_style();
meta_verbose ("Getting neighbor of %d in direction %s\n",
current_space, meta_motion_direction_to_string (direction));
ltr = meta_ui_get_direction() == META_UI_DIRECTION_LTR;
switch (direction)
{
case META_MOTION_LEFT:
layout.current_col -= ltr ? 1 : -1;
break;
case META_MOTION_RIGHT:
layout.current_col += ltr ? 1 : -1;
break;
case META_MOTION_UP:
layout.current_row -= 1;
break;
case META_MOTION_DOWN:
layout.current_row += 1;
break;
}
/* LEFT */
if (layout.current_col < 0)
switch (wrap)
{
case META_WRAP_NONE:
layout.current_col = 0;
break;
case META_WRAP_TOROIDAL:
layout.current_row = layout.current_row > 0 ? layout.current_row - 1 : layout.rows - 1;
/* fall through */
case META_WRAP_CLASSIC:
layout.current_col = layout.cols - 1;
}
/* RIGHT */
if (layout.current_col >= layout.cols)
switch (wrap)
{
case META_WRAP_NONE:
layout.current_col = layout.cols - 1;
break;
case META_WRAP_TOROIDAL:
layout.current_row = layout.current_row < layout.rows - 1 ? layout.current_row + 1 : 0;
/* fall through */
case META_WRAP_CLASSIC:
layout.current_col = 0;
}
/* UP */
if (layout.current_row < 0)
switch (wrap)
{
case META_WRAP_NONE:
layout.current_row = 0;
break;
case META_WRAP_TOROIDAL:
layout.current_col = layout.current_col > 0 ? layout.current_col - 1 : layout.cols - 1;
/* fall through */
case META_WRAP_CLASSIC:
layout.current_row = layout.rows - 1;
}
/* DOWN */
if (layout.current_row >= layout.rows)
switch (wrap)
{
case META_WRAP_NONE:
layout.current_row = layout.rows - 1;
break;
case META_WRAP_TOROIDAL:
layout.current_col = layout.current_col < layout.cols - 1 ? layout.current_col + 1 : 0;
/* fall through */
case META_WRAP_CLASSIC:
layout.current_row = 0;
}
/* If we have an uneven arrangement of workspaces, (layout.cols - n, layout.rows - 1) may be an invalid workspace
e.g. we have 7 workspaces on a 3x3 pane */
if (wrap != META_WRAP_NONE && (layout.current_row * layout.cols + layout.current_col >= num_workspaces))
switch (direction)
{
case META_MOTION_LEFT:
layout.current_col = num_workspaces - (layout.current_row * layout.cols + 1);
break;
case META_MOTION_RIGHT:
layout.current_col = 0;
if (wrap == META_WRAP_TOROIDAL)
layout.current_row = 0;
break;
case META_MOTION_UP:
layout.current_row -= 1;
break;
case META_MOTION_DOWN:
layout.current_row = 0;
if (wrap == META_WRAP_TOROIDAL)
layout.current_col = layout.current_col < layout.cols - 1 ? layout.current_col + 1 : 0;
break;
}
i = layout.grid[layout.current_row * layout.cols + layout.current_col];
if (i < 0)
i = current_space;
if (i >= num_workspaces)
meta_bug ("calc_workspace_layout left an invalid (too-high) workspace number %d in the grid\n",
i);
meta_verbose ("Neighbor workspace is %d at row %d col %d\n",
i, layout.current_row, layout.current_col);
meta_screen_free_workspace_layout (&layout);
return meta_screen_get_workspace_by_index (workspace->screen, i);
}
