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Revert to the old edge resistance behavior for keyboard movement/resizing

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2006-01-09  Elijah Newren  <newren@gmail.com>

	* src/edge-resistance.c (apply_edge_resistance): Revert to the old
	edge resistance behavior for keyboard movement/resizing based
	resistance.  Not only makes the code much simpler and shorter, but
	also fixes another of the zillions of issues covered in #321905.
This commit is contained in:
Elijah Newren 2006-01-10 04:42:30 +00:00 committed by Elijah Newren
parent de65967b62
commit 008a811e10
2 changed files with 10 additions and 81 deletions
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7
ChangeLog
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@ -1,3 +1,10 @@
2006-01-09 Elijah Newren <newren@gmail.com>
* src/edge-resistance.c (apply_edge_resistance): Revert to the old
edge resistance behavior for keyboard movement/resizing based
resistance. Not only makes the code much simpler and shorter, but
also fixes another of the zillions of issues covered in #321905.
2006-01-09 Elijah Newren <newren@gmail.com>
* src/edge-resistance.c (apply_edge_resistance): Remove the

82
src/edge-resistance.c
View File

@ -329,8 +329,6 @@ apply_edge_resistance (MetaWindow *window,
gboolean keyboard_op)
{
int i, begin, end;
gboolean okay_to_clear_keyboard_buildup = FALSE;
int keyboard_buildup_edge = G_MAXINT;
gboolean increasing = new_pos > old_pos;
int increment = increasing ? 1 : -1;
@ -343,12 +341,6 @@ apply_edge_resistance (MetaWindow *window,
const int TIMEOUT_RESISTANCE_LENGTH_MS_WINDOW = 0;
const int TIMEOUT_RESISTANCE_LENGTH_MS_XINERAMA = 0;
const int TIMEOUT_RESISTANCE_LENGTH_MS_SCREEN = 0;
const int KEYBOARD_BUILDUP_THRESHOLD_TOWARDS_WINDOW = 16;
const int KEYBOARD_BUILDUP_THRESHOLD_AWAYFROM_WINDOW = 16;
const int KEYBOARD_BUILDUP_THRESHOLD_TOWARDS_XINERAMA = 24;
const int KEYBOARD_BUILDUP_THRESHOLD_AWAYFROM_XINERAMA = 16;
const int KEYBOARD_BUILDUP_THRESHOLD_TOWARDS_SCREEN = 32;
const int KEYBOARD_BUILDUP_THRESHOLD_AWAYFROM_SCREEN = 16;
/* Quit if no movement was specified */
if (old_pos == new_pos)
@ -397,74 +389,10 @@ apply_edge_resistance (MetaWindow *window,
/* Rest is easier to read if we split on keyboard vs. mouse op */
if (keyboard_op)
{
int resistance, threshold;
/* KEYBOARD ENERGY BUILDUP RESISTANCE: If the user has is moving
* fast enough or has already built up enough "energy", then let
* the user past the edge, otherwise stop at this edge. If the
* user was previously stopped at this edge, add movement amount
* to the built up energy.
*/
/* First, determine the amount of the resistance */
resistance = 0;
switch (edge->edge_type)
{
case META_EDGE_WINDOW:
if (movement_towards_edge (edge->side_type, increment))
resistance = KEYBOARD_BUILDUP_THRESHOLD_TOWARDS_WINDOW;
else
resistance = KEYBOARD_BUILDUP_THRESHOLD_AWAYFROM_WINDOW;
break;
case META_EDGE_XINERAMA:
if (movement_towards_edge (edge->side_type, increment))
resistance = KEYBOARD_BUILDUP_THRESHOLD_TOWARDS_XINERAMA;
else
resistance = KEYBOARD_BUILDUP_THRESHOLD_AWAYFROM_XINERAMA;
break;
case META_EDGE_SCREEN:
if (movement_towards_edge (edge->side_type, increment))
resistance = KEYBOARD_BUILDUP_THRESHOLD_TOWARDS_SCREEN;
else
resistance = KEYBOARD_BUILDUP_THRESHOLD_AWAYFROM_SCREEN;
break;
}
/* Clear any previous buildup if we've run into an edge at a
* different location than what we were building up on before.
* See below for more details where these get set.
*/
if (okay_to_clear_keyboard_buildup &&
compare != keyboard_buildup_edge)
{
okay_to_clear_keyboard_buildup = FALSE;
resistance_data->keyboard_buildup = 0;
}
/* Determine the threshold */
threshold = resistance - resistance_data->keyboard_buildup;
/* See if threshold hasn't been met yet or not */
if (ABS (compare - new_pos) < threshold)
{
if (resistance_data->keyboard_buildup != 0)
resistance_data->keyboard_buildup += ABS (new_pos - compare);
else
resistance_data->keyboard_buildup = 1; /* 0 causes stuckage */
if ((old_pos < compare && compare < new_pos) ||
(old_pos > compare && compare > new_pos))
return compare;
}
else
{
/* It may be the case that there are two windows with edges
* at the same location. If so, the buildup ought to count
* towards both edges. So we just not that it's okay to
* clear the buildup once we find an edge at a different
* location.
*/
okay_to_clear_keyboard_buildup = TRUE;
keyboard_buildup_edge = compare;
}
}
else /* mouse op */
{
int threshold;
@ -561,12 +489,6 @@ apply_edge_resistance (MetaWindow *window,
i += increment;
}
/* If we didn't run into any new edges in keyboard buildup but had moved
* far enough to get past the last one, clear the buildup
*/
if (okay_to_clear_keyboard_buildup && new_pos != keyboard_buildup_edge)
resistance_data->keyboard_buildup = 0;
return new_pos;
}