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apply patch from Nikos Mouat to fix this function

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2002-11-05  Havoc Pennington  <hp@redhat.com>

	* src/workspace.c (meta_workspace_get_neighbor): apply patch from
	Nikos Mouat to fix this function
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Havoc Pennington 2002-11-05 19:25:06 +00:00 committed by Havoc Pennington
parent cfd2d87fea
commit a64b868dbd
2 changed files with 115 additions and 81 deletions
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@ -1,3 +1,8 @@
2002-11-05 Havoc Pennington <hp@redhat.com>
* src/workspace.c (meta_workspace_get_neighbor): apply patch from
Nikos Mouat to fix this function
2002-11-04 Havoc Pennington <hp@pobox.com>
* src/theme.c (scale_and_alpha_pixbuf): fix bug I introduced in

191
src/workspace.c
View File

@ -412,104 +412,133 @@ meta_workspace_get_neighbor (MetaWorkspace *workspace,
{
int i, num_workspaces, grid_area;
int rows, cols;
int new_workspace_idx;
int up_diff, down_diff, left_diff, right_diff;
int current_row, current_col;
i = meta_workspace_index (workspace);
num_workspaces = meta_screen_get_n_workspaces (workspace->screen);
meta_screen_calc_workspace_layout (workspace->screen, num_workspaces,
&rows, &cols);
meta_screen_calc_workspace_layout (workspace->screen, num_workspaces,
&rows, &cols);
grid_area = rows * cols;
meta_verbose ("Getting neighbor rows = %d cols = %d vert = %d "
"current = %d num_spaces = %d neighbor = %d\n",
rows, cols, workspace->screen->vertical_workspaces,
i, num_workspaces, direction);
/* FIXME someone who's better or more patient at math puzzles
* should clean this up. ;-)
* This'll have to someone with mega patience 'cause you'll
* have to handle screen->starting_corner also.
/* ok, we want to setup the distances in the workspace array to go
* in each direction. Remember, there are many ways that a workspace
* array can be setup.
* see http://www.freedesktop.org/standards/wm-spec/1.2/html/x109.html
* and look at the _NET_DESKTOP_LAYOUT section for details.
* For instance:
*/
if (workspace->screen->vertical_workspaces)
/* starting_corner = META_SCREEN_TOPLEFT
* vertical_workspaces = 0 vertical_workspaces=1
* 1234 1357
* 5678 2468
*
* starting_corner = META_SCREEN_TOPRIGHT
* vertical_workspaces = 0 vertical_workspaces=1
* 4321 7531
* 8765 8642
*
* starting_corner = META_SCREEN_BOTTOMLEFT
* vertical_workspaces = 0 vertical_workspaces=1
* 5678 2468
* 1234 1357
*
* starting_corner = META_SCREEN_BOTTOMRIGHT
* vertical_workspaces = 0 vertical_workspaces=1
* 8765 8642
* 4321 7531
*
*/
if (workspace->screen->vertical_workspaces)
{
switch (direction)
{
case META_MOTION_LEFT:
if (i < rows)
{
i = grid_area - (i % rows) - 1;
while (i >= num_workspaces)
i -= rows;
}
else
i -= rows;
break;
case META_MOTION_RIGHT:
if ((i + rows) >= num_workspaces)
i = (i % rows + 1) % rows;
else
i += rows;
break;
case META_MOTION_UP:
--i;
if (i == -1)
i = num_workspaces - 1;
break;
case META_MOTION_DOWN:
++i;
if (i == num_workspaces)
i = 0;
break;
}
up_diff = -1;
down_diff = 1;
left_diff = -1 * cols;
right_diff = cols;
current_col = (i / (cols?cols:1)) + 1;
current_row = (i % cols) + 1;
}
else
else
{
switch (direction)
{
case META_MOTION_LEFT:
--i;
if (i == -1)
i = num_workspaces - 1;
break;
case META_MOTION_RIGHT:
++i;
if (i == num_workspaces)
i = 0;
break;
case META_MOTION_UP:
if (i < cols)
{
if (i == 0)
{
/* special case: go to bottom right corner == grid_area - 1 */
i = grid_area - 1;
while (i >= num_workspaces)
/* if we are in a non-existant workspace look up in the column for next workspace */
i -= cols;
}
else
{
/* calculate new workspace based on the bottom left corner == ((rows - 1) * cols) */
i = ((rows - 1) * cols) + (i - 1);
while (i >= num_workspaces)
/* if we are in a non-existant workspace look up in the column for next workspace */
i -= cols;
}
}
else
i -= cols;
break;
case META_MOTION_DOWN:
if ((i + cols) >= num_workspaces)
i = (i % cols + 1) % cols;
else
i += cols;
break;
}
up_diff = -1 * rows;
down_diff = rows;
left_diff = -1;
right_diff = 1;
current_col = (i % rows) + 1;
current_row = (i / (rows?rows:1)) + 1;
}
switch (workspace->screen->starting_corner)
{
default:
case META_SCREEN_TOPLEFT:
/* this was the default case setup in the if() above */
break;
case META_SCREEN_TOPRIGHT:
/* ok, we need to inverse the left/right values */
left_diff = -1 * left_diff;
right_diff = -1 * right_diff;
/* also, current column needs to be mirrored */
current_col = rows - ((current_col-1)%rows) ;
break;
case META_SCREEN_BOTTOMLEFT:
/* ok, we need to inverse the up/down values */
up_diff = -1 * up_diff;
down_diff = -1 * up_diff;
/* also, current row needs to be mirrored */
current_row = cols - ((current_row-1)%cols);
break;
case META_SCREEN_BOTTOMRIGHT:
/* in this case, we need to inverse everything */
up_diff = -1 * up_diff;
down_diff = -1 * up_diff;
left_diff = -1 * left_diff;
right_diff = -1 * right_diff;
/* also, current column and row need to be reversed */
current_col = rows - ((current_col-1)%rows);
current_row = cols - ((current_row-1)%cols);
break;
}
/* calculate what we think the next spot should be */
new_workspace_idx = i;
switch (direction)
{
case META_MOTION_LEFT:
if ((current_col - 1) > 0)
new_workspace_idx = i + left_diff;
break;
case META_MOTION_RIGHT:
if ((current_col + 1) <= rows)
new_workspace_idx = i + right_diff;
break;
case META_MOTION_UP:
if ((current_row - 1) > 0)
new_workspace_idx = i + up_diff;
break;
case META_MOTION_DOWN:
if ((current_row + 1) <= cols)
new_workspace_idx = i + down_diff;
break;
default:
new_workspace_idx = 0;
break;
}
/* and now make sure we don't over/under flow */
if ((new_workspace_idx >= 0) && (new_workspace_idx < num_workspaces))
i = new_workspace_idx;
meta_verbose ("Neighbor space is %d\n", i);
return meta_screen_get_workspace_by_index (workspace->screen,