enlightenment/src/modules/illume2/e_illume.c

930 lines
24 KiB
C

#include "e_illume_private.h"
#include "e_mod_config.h"
/**
* @defgroup E_Illume_Main_Group Illume API Information
*
* The following group defines variables, structures, and functions available
* to a policy.
*/
/**
* Returns the @ref E_Illume_Config_Zone structure for a specific zone.
*
* @param id The id of the E_Zone.
* @return The @ref E_Illume_Config_Zone structure for this zone.
*
* @note This function will return a new @ref E_Illume_Config_Zone structure
* if none exists. This new @ref E_Illume_Config_Zone will be added to the
* existing list of @ref E_Illume_Config_Zone structures automatically.
*
* @ingroup E_Illume_Config_Group
*/
EAPI E_Illume_Config_Zone *
e_illume_zone_config_get(int id)
{
Eina_List *l;
E_Illume_Config_Zone *cz = NULL;
/* loop existing zone configs and look for this id */
EINA_LIST_FOREACH(_e_illume_cfg->policy.zones, l, cz)
{
if (cz->id != id) continue;
return cz;
}
/* we did not find an existing one for this zone, so create a new one */
cz = E_NEW(E_Illume_Config_Zone, 1);
cz->id = id;
cz->mode.dual = 0;
cz->mode.side = 0;
/* add it to the list */
_e_illume_cfg->policy.zones =
eina_list_append(_e_illume_cfg->policy.zones, cz);
/* save it in config */
e_mod_illume_config_save();
/* return a fallback */
return cz;
}
/**
* Determine if a given border is an Indicator window.
*
* @param bd The border to test.
* @return EINA_TRUE if it is an Indicator window, EINA_FALSE otherwise.
*
* @note If @p bd is NULL then this function will return EINA_FALSE.
*
* @note It is assumed that Indicator windows are of type
* ECORE_X_WINDOW_TYPE_DOCK.
*
* @ingroup E_Illume_Main_Group
*/
EAPI Eina_Bool
e_illume_border_is_indicator(E_Border *bd)
{
/* make sure we have a border */
if (!bd) return EINA_FALSE;
/* indicator windows should be set to dock type, so check for that */
if (bd->client.netwm.type != ECORE_X_WINDOW_TYPE_DOCK) return EINA_FALSE;
/* we have a dock window, check against any matches in config */
/* check if we are matching on name */
if (_e_illume_cfg->policy.indicator.match.name)
{
if ((bd->client.icccm.name) &&
(!strcmp(bd->client.icccm.name,
_e_illume_cfg->policy.indicator.name)))
return EINA_TRUE;
}
/* check if we are matching on class */
if (_e_illume_cfg->policy.indicator.match.class)
{
if ((bd->client.icccm.class) &&
(!strcmp(bd->client.icccm.class,
_e_illume_cfg->policy.indicator.class)))
return EINA_TRUE;
}
/* check if we are matching on title */
if (_e_illume_cfg->policy.indicator.match.title)
{
const char *title;
title = e_border_name_get(bd);
if (!strcmp(title, _e_illume_cfg->policy.indicator.title))
return EINA_TRUE;
}
/* return a fallback */
return EINA_FALSE;
}
/**
* Determine if a given border is a Softkey window.
*
* @param bd The border to test.
* @return EINA_TRUE if it is a Softkey window, EINA_FALSE otherwise.
*
* @note If @p bd is NULL then this function will return EINA_FALSE.
*
* @note It is assumed that Softkey windows are of type
* ECORE_X_WINDOW_TYPE_DOCK.
*
* @ingroup E_Illume_Main_Group
*/
EAPI Eina_Bool
e_illume_border_is_softkey(E_Border *bd)
{
/* make sure we have a border */
if (!bd) return EINA_FALSE;
/* legacy code from illume 1 */
if (bd->client.qtopia.soft_menu) return EINA_TRUE;
/* softkey windows should be set to dock type, so check for that */
if (bd->client.netwm.type != ECORE_X_WINDOW_TYPE_DOCK) return EINA_FALSE;
/* we have a softkey window, check against any matches in config */
/* check if we are matching on name */
if (_e_illume_cfg->policy.softkey.match.name)
{
if ((bd->client.icccm.name) &&
(!strcmp(bd->client.icccm.name,
_e_illume_cfg->policy.softkey.name)))
return EINA_TRUE;
}
/* check if we are matching on class */
if (_e_illume_cfg->policy.softkey.match.class)
{
if ((bd->client.icccm.class) &&
(!strcmp(bd->client.icccm.class,
_e_illume_cfg->policy.softkey.class)))
return EINA_TRUE;
}
/* check if we are matching on title */
if (_e_illume_cfg->policy.softkey.match.title)
{
const char *title;
title = e_border_name_get(bd);
if (!strcmp(title, _e_illume_cfg->policy.softkey.title))
return EINA_TRUE;
}
/* return a fallback */
return EINA_FALSE;
}
/**
* Determine if a given border is a Keyboard window.
*
* @param bd The border to test.
* @return EINA_TRUE if it is a Keyboard window, EINA_FALSE otherwise.
*
* @note If @p bd is NULL then this function will return EINA_FALSE.
*
* @ingroup E_Illume_Main_Group
*/
EAPI Eina_Bool
e_illume_border_is_keyboard(E_Border *bd)
{
/* make sure we have a border */
if (!bd) return EINA_FALSE;
/* check for specific flag first */
if (bd->client.vkbd.vkbd) return EINA_TRUE;
/* legacy code from illume 1 */
if ((bd->client.icccm.name) &&
((!strcmp(bd->client.icccm.name, "multitap-pad"))) &&
(bd->client.netwm.state.skip_taskbar) &&
(bd->client.netwm.state.skip_pager))
return EINA_TRUE;
/* check if we are matching on name */
if (_e_illume_cfg->policy.vkbd.match.name)
{
if ((bd->client.icccm.name) &&
(!strcmp(bd->client.icccm.name,
_e_illume_cfg->policy.vkbd.name)))
return EINA_TRUE;
}
/* check if we are matching on class */
if (_e_illume_cfg->policy.vkbd.match.class)
{
if ((bd->client.icccm.class) &&
(!strcmp(bd->client.icccm.class,
_e_illume_cfg->policy.vkbd.class)))
return EINA_TRUE;
}
/* check if we are matching on title */
if (_e_illume_cfg->policy.vkbd.match.title)
{
const char *title;
title = e_border_name_get(bd);
if (!strcmp(title, _e_illume_cfg->policy.vkbd.title))
return EINA_TRUE;
}
/* return a fallback */
return EINA_FALSE;
}
/**
* Determine if a given border is a Home window.
*
* @param bd The border to test.
* @return EINA_TRUE if it is a Home window, EINA_FALSE otherwise.
*
* @note If @p bd is NULL then this function will return EINA_FALSE.
*
* @ingroup E_Illume_Main_Group
*/
EAPI Eina_Bool
e_illume_border_is_home(E_Border *bd)
{
/* make sure we have a border */
if (!bd) return EINA_FALSE;
/* check if we are matching on name */
if (_e_illume_cfg->policy.home.match.name)
{
if ((bd->client.icccm.name) &&
(!strcmp(bd->client.icccm.name,
_e_illume_cfg->policy.home.name)))
return EINA_TRUE;
}
/* check if we are matching on class */
if (_e_illume_cfg->policy.home.match.class)
{
if ((bd->client.icccm.class) &&
(!strcmp(bd->client.icccm.class,
_e_illume_cfg->policy.home.class)))
return EINA_TRUE;
}
/* check if we are matching on title */
if (_e_illume_cfg->policy.home.match.title)
{
const char *title;
title = e_border_name_get(bd);
if (!strcmp(title, _e_illume_cfg->policy.home.title))
return EINA_TRUE;
}
/* return a fallback */
return EINA_FALSE;
}
/**
* Determine if a given border is a splash screen.
*
* @param bd The border to test.
* @return EINA_TRUE if it is a splash screen, EINA_FALSE otherwise.
*
* @note If @p bd is NULL then this function will return EINA_FALSE.
*
* @ingroup E_Illume_Main_Group
*/
EAPI Eina_Bool
e_illume_border_is_splash(E_Border *bd)
{
/* make sure we have a border */
if (!bd) return EINA_FALSE;
/* check actual type */
if (bd->client.netwm.type == ECORE_X_WINDOW_TYPE_SPLASH) return EINA_TRUE;
/* check for transient flag */
// if (bd->client.icccm.transient_for != 0) return EINA_TRUE;
/* NB: may or may not need to handle these. Needs Testing */
if (bd->client.netwm.extra_types)
printf("\t\tBorder has extra types: %s\n", bd->client.icccm.class);
/* return a fallback */
return EINA_FALSE;
}
/**
* Determine if a given border is a dialog.
*
* @param bd The border to test.
* @return EINA_TRUE if it is a dialog, EINA_FALSE otherwise.
*
* @note If @p bd is NULL then this function will return EINA_FALSE.
*
* @ingroup E_Illume_Main_Group
*/
EAPI Eina_Bool
e_illume_border_is_dialog(E_Border *bd)
{
/* make sure we have a border */
if (!bd) return EINA_FALSE;
/* check actual type */
if (bd->client.netwm.type == ECORE_X_WINDOW_TYPE_DIALOG) return EINA_TRUE;
/* check for transient flag */
if (bd->client.icccm.transient_for != 0) return EINA_TRUE;
/* check for client leader */
/* NB: disabled currently as some GTK windows set this even tho they are
* not a dialog. */
// if (bd->client.icccm.client_leader) return EINA_TRUE;
/* NB: may or may not need to handle these. Needs Testing */
if (bd->client.netwm.extra_types)
printf("\t\tBorder has extra types: %s\n", bd->client.icccm.class);
/* return a fallback */
return EINA_FALSE;
}
/**
* Determine if a given border is a QT VCLSalFrame.
*
* @param bd The border to test.
* @return EINA_TRUE if it is a VCLSalFrame, EINA_FALSE otherwise.
*
* @note If @p bd is NULL then this function will return EINA_FALSE.
*
* @ingroup E_Illume_Main_Group
*/
EAPI Eina_Bool
e_illume_border_is_qt_frame(E_Border *bd)
{
/* make sure we have a border */
if (!bd) return EINA_FALSE;
/* make sure we have the icccm name and compare it */
if ((bd->client.icccm.name) &&
(!strncmp(bd->client.icccm.name, "VCLSalFrame", 11)))
return EINA_TRUE;
/* return a fallback */
return EINA_FALSE;
}
/**
* Determine if a given border is a fullscreen window.
*
* @param bd The border to test.
* @return EINA_TRUE if it is fullscreen, EINA_FALSE otherwise.
*
* @note If @p bd is NULL then this function will return EINA_FALSE.
*
* @ingroup E_Illume_Main_Group
*/
EAPI Eina_Bool
e_illume_border_is_fullscreen(E_Border *bd)
{
/* make sure we have a border */
if (!bd) return EINA_FALSE;
/* check for fullscreen */
if ((bd->fullscreen) || (bd->need_fullscreen)) return EINA_TRUE;
/* return a fallback */
return EINA_FALSE;
}
/**
* Determine if a given border is an illume conformant window.
*
* @param bd The border to test.
* @return EINA_TRUE if it is conformant, EINA_FALSE otherwise.
*
* @note If @p bd is NULL then this function will return EINA_FALSE.
*
* @ingroup E_Illume_Main_Group
*/
EAPI Eina_Bool
e_illume_border_is_conformant(E_Border *bd)
{
/* make sure we have a border */
if (!bd) return EINA_FALSE;
/* return if it is conformant or not */
return bd->client.illume.conformant.conformant;
}
/**
* Determine if a given border is a quickpanel window.
*
* @param bd The border to test.
* @return EINA_TRUE if it is a quickpanel, EINA_FALSE otherwise.
*
* @note If @p bd is NULL then this function will return EINA_FALSE.
*
* @ingroup E_Illume_Main_Group
*/
EAPI Eina_Bool
e_illume_border_is_quickpanel(E_Border *bd)
{
/* make sure we have a border */
if (!bd) return EINA_FALSE;
/* return if it is a quickpanel or not */
return bd->client.illume.quickpanel.quickpanel;
}
/**
* Retrieves the minimum space required to display this border.
*
* @param bd The border to get the minium space for.
* @param w Pointer to an integer into which the width is to be stored.
* @param h Pointer to an integer into which the height is to be stored.
*
* @note if @p bd is NULL then @p w and @p h will return @c 0.
*
* @ingroup E_Illume_Main_Group
*/
EAPI void
e_illume_border_min_get(E_Border *bd, int *w, int *h)
{
if (w) *w = 0;
if (h) *h = 0;
if (!bd) return;
if (w)
{
if (bd->client.icccm.base_w > bd->client.icccm.min_w)
*w = bd->client.icccm.base_w;
else
*w = bd->client.icccm.min_w;
}
if (h)
{
if (bd->client.icccm.base_h > bd->client.icccm.min_h)
*h = bd->client.icccm.base_h;
else
*h = bd->client.icccm.min_h;
}
}
/**
* Retrieves a border, given an x and y coordinate, from a zone.
*
* @param zone The zone.
* @param x The X coordinate to check for border at.
* @param y The Y coordinate to check for border at.
*
* @note if @p zone is NULL then this function will return NULL.
*
* @warning Both X and Y coordinates are required to reliably detect a border.
*
* @ingroup E_Illume_Main_Group
*/
EAPI E_Border *
e_illume_border_at_xy_get(E_Zone *zone, int x, int y)
{
Eina_List *l;
E_Border *bd;
/* make sure we have a zone */
if (!zone) return NULL;
/* loop the border client list */
/* NB: We use e_border_client_list here, rather than
* e_container_border_list, because e_border_client_list is faster.
* This is done in reverse order so we get the most recent border first */
EINA_LIST_REVERSE_FOREACH(e_border_client_list(), l, bd)
{
/* check zone and skip borders not on this zone */
if (bd->zone != zone) continue;
/* skip invisibles */
if (!bd->visible) continue;
/* filter out borders we don't want */
if (e_illume_border_is_indicator(bd)) continue;
if (e_illume_border_is_softkey(bd)) continue;
if (e_illume_border_is_keyboard(bd)) continue;
if (e_illume_border_is_quickpanel(bd)) continue;
if (e_illume_border_is_home(bd)) continue;
/* check position against given coordinates */
if ((bd->x != x) || (bd->y != y)) continue;
/* found one, return it */
return bd;
}
/* return a fallback */
return NULL;
}
/**
* Retrieve the parent of a given dialog.
*
* @param bd The border to get the parent of.
* @return The border's parent, or NULL if no parent exists.
*
* @note If @p bd is NULL then this function will return NULL.
*
* @ingroup E_Illume_Main_Group
*/
EAPI E_Border *
e_illume_border_parent_get(E_Border *bd)
{
/* make sure we have a border */
if (!bd) return NULL;
/* check for border's parent */
if (bd->parent) return bd->parent;
/* NB: TEST CODE - may need to check bd->leader here */
if (bd->leader)
printf("\tDialog Has Leader: %s\n", bd->client.icccm.name);
/* check for transient */
if (bd->client.icccm.transient_for)
{
/* try to find this borders parent */
return e_border_find_by_client_window(bd->client.icccm.transient_for);
}
else if (bd->client.icccm.client_leader)
{
/* NB: using client_leader as parent. THIS NEEDS THOROUGH TESTING !! */
return e_border_find_by_client_window(bd->client.icccm.client_leader);
}
/* return a fallback */
return NULL;
}
/**
* Show a given border.
*
* @param bd The border to show.
*
* @note If @p bd is NULL then this function will return.
*
* @ingroup E_Illume_Main_Group
*/
EAPI void
e_illume_border_show(E_Border *bd)
{
unsigned int visible = 1;
/* make sure we have a border */
if (!bd) return;
/* NB: We handle shows this way so we don't get extra layout events from
* the e_border calls */
e_container_border_lower(bd);
e_container_shape_show(bd->shape);
if (!bd->need_reparent) ecore_x_window_show(bd->client.win);
e_hints_window_visible_set(bd);
bd->visible = 1;
bd->changes.visible = 1;
ecore_x_window_prop_card32_set(bd->client.win, E_ATOM_MAPPED, &visible, 1);
ecore_x_window_prop_card32_set(bd->client.win, E_ATOM_MANAGED, &visible, 1);
}
/**
* Hide a given border.
*
* @param bd The border to hide.
*
* @note If @p bd is NULL then this function will return.
*
* @ingroup E_Illume_Main_Group
*/
EAPI void
e_illume_border_hide(E_Border *bd)
{
unsigned int visible = 0;
/* make sure we have a border */
if (!bd) return;
/* NB: We handle hides this way so we don't get extra layout events from
* the e_border calls */
e_container_shape_hide(bd->shape);
if (!bd->iconic) e_hints_window_hidden_set(bd);
bd->visible = 0;
bd->changes.visible = 1;
ecore_x_window_prop_card32_set(bd->client.win, E_ATOM_MAPPED, &visible, 1);
}
/**
* Retrieve the Indicator window on a given zone.
*
* @param zone The zone.
* @return The Indicator border, or NULL if no Indicator exists.
*
* @note If @p zone is NULL then this function will return NULL.
*
* @ingroup E_Illume_Main_Group
*/
EAPI E_Border *
e_illume_border_indicator_get(E_Zone *zone)
{
Eina_List *l;
E_Border *bd;
/* make sure we have a zone */
if (!zone) return NULL;
/* loop the border client list */
/* NB: We use e_border_client_list here, rather than
* e_container_border_list, because e_border_client_list is faster */
EINA_LIST_FOREACH(e_border_client_list(), l, bd)
{
/* check zone and skip borders not on this zone */
if (bd->zone != zone) continue;
/* skip borders that are not indicators */
if (!e_illume_border_is_indicator(bd)) continue;
/* found one, return it */
return bd;
}
/* return a fallback */
return NULL;
}
/**
* Retrieves the current position of the Indicator window.
*
* @param zone The zone on which to retrieve the Indicator position.
* @param x Pointer to an integer into which the left is to be stored.
* @param y Pointer to an integer into which the top is to be stored.
*
* @note if @p zone is NULL then @p x, @p y, @p w, and @p h will return @c 0.
*
* @ingroup E_Illume_Main_Group
*/
EAPI void
e_illume_border_indicator_pos_get(E_Zone *zone, int *x, int *y)
{
E_Border *ind;
/* make sure we have a zone */
if (!zone)
{
if (x) *x = 0;
if (y) *y = 0;
return;
}
/* set default values */
if (x) *x = zone->x;
if (y) *y = zone->y;
/* try and get the Indicator on this zone */
if (!(ind = e_illume_border_indicator_get(zone))) return;
/* return Indicator position(s) */
if (x) *x = ind->x;
if (y) *y = ind->y;
}
/**
* Retrieve the Softkey window on a given zone.
*
* @param zone The zone.
* @return The Softkey border, or NULL if no Softkey exists.
*
* @note If @p zone is NULL then this function will return NULL.
*
* @ingroup E_Illume_Main_Group
*/
EAPI E_Border *
e_illume_border_softkey_get(E_Zone *zone)
{
Eina_List *l;
E_Border *bd;
/* make sure we have a zone */
if (!zone) return NULL;
/* loop the border client list */
/* NB: We use e_border_client_list here, rather than
* e_container_border_list, because e_border_client_list is faster */
EINA_LIST_FOREACH(e_border_client_list(), l, bd)
{
/* check zone and skip borders not on this zone */
if (bd->zone != zone) continue;
/* skip borders that are not indicators */
if (!e_illume_border_is_softkey(bd)) continue;
/* found one, return it */
return bd;
}
/* return a fallback */
return NULL;
}
/**
* Retrieves the current position of the Softkey window.
*
* @param zone The zone on which to retrieve the Softkey position.
* @param x Pointer to an integer into which the left is to be stored.
* @param y Pointer to an integer into which the top is to be stored.
*
* @note if @p zone is NULL then @p x, @p y, @p w, and @p h will return @c 0.
*
* @ingroup E_Illume_Main_Group
*/
EAPI void
e_illume_border_softkey_pos_get(E_Zone *zone, int *x, int *y)
{
E_Border *sft;
/* make sure we have a zone */
if (!zone)
{
if (x) *x = 0;
if (y) *y = 0;
return;
}
/* set default values */
if (x) *x = zone->x;
if (y) *y = zone->y;
/* try and get the Softkey on this zone */
if (!(sft = e_illume_border_softkey_get(zone))) return;
/* return Indicator position(s) */
if (x) *x = sft->x;
if (y) *y = sft->y;
}
/**
* Retrieve the Keyboard on a given zone.
*
* @return The @ref E_Illume_Keyboard, or NULL if no keyboard exists.
*
* @ingroup E_Illume_Keyboard_Group
*/
EAPI E_Illume_Keyboard *
e_illume_keyboard_get(void)
{
/* make sure we have a keyboard and a zone */
if (!_e_illume_kbd) return NULL;
/* return the keyboard */
return _e_illume_kbd;
}
/**
* Retrieves the available screen space not occupied by the virtual keyboard.
*
* @param zone The zone on which to retrieve the available space.
* @param x Pointer to an integer into which the left is to be stored.
* @param y Pointer to an integer into which the top is to be stored.
* @param w Pointer to an integer into which the width is to be stored.
* @param h Pointer to an integer into which the height is to be stored.
*
* @note if @p zone is NULL then @p x, @p y, @p w, and @p h will return @c 0.
*
* @warning This function does not account for space or position of Indicator
* or Softkey windows.
*
* @ingroup E_Illume_Keyboard_Group
*/
EAPI void
e_illume_keyboard_safe_app_region_get(E_Zone *zone, int *x, int *y, int *w, int *h)
{
/* make sure we have a zone */
if (!zone)
{
if (x) *x = 0;
if (y) *y = 0;
if (w) *w = 0;
if (h) *h = 0;
return;
}
/* set default values */
if (x) *x = zone->x;
if (y) *y = zone->y;
if (w) *w = zone->w;
if (h) *h = zone->h;
/* if the keyboard is disabled, get out */
if ((!_e_illume_kbd->visible) || (_e_illume_kbd->disabled)) return;
/* if we don't have a border, get out */
/* NB: This basically means that we have the vkbd structure, but no
* app or module present to act as the vkbd */
if (!_e_illume_kbd->border) return;
/* if the keyboard border is not on this zone, get out */
if (_e_illume_kbd->border->zone != zone) return;
if (!_e_illume_kbd->animator)
{
if (h)
{
*h -= _e_illume_kbd->border->h;
if (*h < 0) *h = 0;
}
}
}
/**
* Retrieve the Home window on a given zone.
*
* @param zone The zone.
* @return The Home window, or NULL if no Home window exists.
*
* @note If @p zone is NULL then this function will return NULL.
*
* @ingroup E_Illume_Main_Group
*/
EAPI E_Border *
e_illume_border_home_get(E_Zone *zone)
{
E_Border *bd;
Eina_List *l;
/* make sure we have a zone */
if (!zone) return NULL;
/* loop the border client list */
/* NB: We use e_border_client_list here, rather than
* e_container_border_list, because e_border_client_list is faster */
EINA_LIST_FOREACH(e_border_client_list(), l, bd)
{
/* check zone and skip borders not on this zone */
if (bd->zone != zone) continue;
/* skip borders that are not home windows */
if (!e_illume_border_is_home(bd)) continue;
/* found one, return it */
return bd;
}
/* return a fallback */
return NULL;
}
/**
* Retrieve the list of Home windows on a given zone.
*
* @param zone The zone.
* @return A list of existing Home windows, or NULL if none exist.
*
* @note If @p zone is NULL then this function will return NULL.
*
* @ingroup E_Illume_Main_Group
*/
EAPI Eina_List *
e_illume_border_home_borders_get(E_Zone *zone)
{
Eina_List *ret = NULL, *l;
E_Border *bd;
/* make sure we have a zone */
if (!zone) return NULL;
/* loop the border client list */
/* NB: We use e_border_client_list here, rather than
* e_container_border_list, because e_border_client_list is faster */
EINA_LIST_FOREACH(e_border_client_list(), l, bd)
{
/* check zone and skip borders not on this zone */
if (bd->zone != zone) continue;
/* skip borders that are not home windows */
if (!e_illume_border_is_home(bd)) continue;
/* found one, append it to the list */
ret = eina_list_append(ret, bd);
}
/* return the list */
return ret;
}
/**
* Retrieve the Illume Quickpanel on a given zone.
*
* @param zone The zone on which to retrieve the Quickpanel.
* @return The @ref E_Illume_Quickpanel on this zone, or NULL if none exists.
*
* @note If @p zone is NULL then this function will return NULL.
*
* @ingroup E_Illume_Quickpanel_Group
*/
EAPI E_Illume_Quickpanel *
e_illume_quickpanel_by_zone_get(E_Zone *zone)
{
E_Illume_Quickpanel *qp;
Eina_List *l;
/* make sure we have a zone */
if (!zone) return NULL;
/* loop the list of quickpanels, looking for one on this zone */
EINA_LIST_FOREACH(_e_illume_qps, l, qp)
if (qp->zone == zone) return qp;
/* return a fallback */
return NULL;
}