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enlightenment/src/modules/conf_randr/e_smart_randr.c

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#include "e.h"
#include "e_mod_main.h"
#include "e_smart_randr.h"
#include "e_smart_monitor.h"
#define SNAP_FUZZ 100
/*
* TODO:
*
* Add Poller for Output Change events to listen for hotplug (4 seconds)
*
*/
/* local structures */
typedef struct _E_Smart_Data E_Smart_Data;
struct _E_Smart_Data
{
/* base object */
Evas_Object *o_base;
/* grid object */
Evas_Object *o_grid;
/* virtual size */
Evas_Coord vw, vh;
/* visible flag */
Eina_Bool visible : 1;
/* list of monitors */
Eina_List *monitors;
};
/* local function prototypes */
static void _e_smart_add(Evas_Object *obj);
static void _e_smart_del(Evas_Object *obj);
static void _e_smart_move(Evas_Object *obj, Evas_Coord x, Evas_Coord y);
static void _e_smart_resize(Evas_Object *obj, Evas_Coord w, Evas_Coord h);
static void _e_smart_show(Evas_Object *obj);
static void _e_smart_hide(Evas_Object *obj);
static void _e_smart_clip_set(Evas_Object *obj, Evas_Object *clip);
static void _e_smart_clip_unset(Evas_Object *obj);
static void _e_smart_randr_grid_cb_move(void *data, Evas *evas EINA_UNUSED, Evas_Object *obj EINA_UNUSED, void *event EINA_UNUSED);
static void _e_smart_randr_grid_cb_resize(void *data, Evas *evas EINA_UNUSED, Evas_Object *obj EINA_UNUSED, void *event EINA_UNUSED);
static void _e_smart_randr_monitor_cb_changed(void *data, Evas_Object *obj EINA_UNUSED, void *event EINA_UNUSED);
static void _e_smart_randr_monitor_cb_moved(void *data, Evas_Object *obj EINA_UNUSED, void *event EINA_UNUSED);
static void _e_smart_randr_monitor_cb_resized(void *data, Evas_Object *obj, void *event EINA_UNUSED);
static void _e_smart_randr_monitor_position_update(E_Smart_Data *sd, Evas_Object *obj, Evas_Object *skip);
static void _e_smart_randr_monitor_position_normalize(E_Smart_Data *sd);
static void _e_smart_randr_monitor_preferred_mode_size_get(Ecore_X_Randr_Output output, Evas_Coord *mw, Evas_Coord *mh);
/* external functions exposed by this widget */
Evas_Object *
e_smart_randr_add(Evas *evas)
{
LOGFN(__FILE__, __LINE__, __FUNCTION__);
static Evas_Smart *smart = NULL;
static const Evas_Smart_Class sc =
{
"smart_randr", EVAS_SMART_CLASS_VERSION,
_e_smart_add, _e_smart_del, _e_smart_move, _e_smart_resize,
_e_smart_show, _e_smart_hide, NULL,
_e_smart_clip_set, _e_smart_clip_unset,
NULL, NULL, NULL, NULL, NULL, NULL, NULL
};
/* if we have never created the smart class, do it now */
if (!smart)
if (!(smart = evas_smart_class_new(&sc)))
return NULL;
/* return a newly created smart randr widget */
return evas_object_smart_add(evas, smart);
}
void
e_smart_randr_virtual_size_calc(Evas_Object *obj)
{
E_Smart_Data *sd;
Ecore_X_Window root = 0;
E_Randr_Output *output;
Eina_List *l;
Evas_Coord vw = 0, vh = 0;
LOGFN(__FILE__, __LINE__, __FUNCTION__);
/* try to get the objects smart data */
if (!(sd = evas_object_smart_data_get(obj))) return;
/* grab the root window */
root = ecore_x_window_root_first_get();
/* loop the outputs and get the largest mode */
EINA_LIST_FOREACH(e_randr->outputs, l, output)
{
Ecore_X_Randr_Mode *modes;
Evas_Coord mw = 0, mh = 0;
int nmode = 0;
if (output->status != ECORE_X_RANDR_CONNECTION_STATUS_CONNECTED) continue;
/* try to get the list of modes for this output */
modes =
ecore_x_randr_output_modes_get(root, output->cfg->xid,
&nmode, NULL);
if (!modes) continue;
/* get the size of the largest mode */
ecore_x_randr_mode_size_get(root, modes[0], &mw, &mh);
vw += MAX(mw, mh);
vh += MAX(mw, mh);
/* free any allocated memory from ecore_x_randr */
free(modes);
}
if ((vw == 0) && (vh == 0))
{
/* by default, set virtual size to the current screen size */
ecore_x_randr_screen_current_size_get(root, &vw, &vh, NULL, NULL);
}
sd->vw = vw;
sd->vh = vh;
/* set the grid size */
evas_object_grid_size_set(sd->o_grid, vw, vh);
}
void
e_smart_randr_monitors_create(Evas_Object *obj)
{
E_Smart_Data *sd;
E_Randr_Output *output;
Evas *evas;
Evas_Coord gx = 0, gy = 0, gw = 0, gh = 0;
Evas_Object *mon;
Eina_List *l = NULL;
int cx, cy, cw, ch;
int count = 0;
LOGFN(__FILE__, __LINE__, __FUNCTION__);
/* try to get the objects smart data */
if (!(sd = evas_object_smart_data_get(obj))) return;
/* grab the canvas of the grid object */
evas = evas_object_evas_get(sd->o_grid);
/* get the geometry of the grid */
evas_object_geometry_get(sd->o_grid, &gx, &gy, &gw, &gh);
/* get a list of outputs from X */
EINA_LIST_FOREACH(e_randr->outputs, l, output)
{
if (output->status != ECORE_X_RANDR_CONNECTION_STATUS_CONNECTED) continue;
/* for each output, try to create a monitor */
if (!(mon = e_smart_monitor_add(evas)))
continue;
/* hook into monitor changed callback */
evas_object_smart_callback_add(mon, "monitor_changed",
_e_smart_randr_monitor_cb_changed, obj);
evas_object_smart_callback_add(mon, "monitor_moved",
_e_smart_randr_monitor_cb_moved, obj);
evas_object_smart_callback_add(mon, "monitor_resized",
_e_smart_randr_monitor_cb_resized, obj);
/* add this monitor to our list */
sd->monitors = eina_list_append(sd->monitors, mon);
/* tell monitor what the grid's virtual size is */
e_smart_monitor_grid_virtual_size_set(mon, sd->vw, sd->vh);
/* tell monitor what the grid is and it's geometry */
e_smart_monitor_grid_set(mon, sd->o_grid, gx, gy, gw, gh);
/* if the output has no size, find an appropriate */
cx = output->cfg->geo.w;
cy = output->cfg->geo.w;
cw = output->cfg->geo.w;
ch = output->cfg->geo.h;
if ((cw == 0) && (ch == 0))
{
/* get the size of the preferred mode for this output */
_e_smart_randr_monitor_preferred_mode_size_get(output->cfg->xid,
&cw, &ch);
/* safety */
if ((cw == 0) && (ch == 0))
{
cw = 640;
ch = 480;
}
}
/* tell monitor what it's current position is
* NB: This also packs into the grid */
e_smart_monitor_current_geometry_set(mon, cx, cy, cw, ch);
/* tell monitor to set the background preview */
e_smart_monitor_background_set(mon, cx, cy);
/* tell monitor what output it uses */
e_smart_monitor_output_set(mon, output);
}
/* check if we have only one monitor. If so, we will disable the
* indicator toggle so dumb people cannot turn off their only monitor */
count = eina_list_count(sd->monitors);
EINA_LIST_FOREACH(sd->monitors, l, mon)
{
if (count > 1)
e_smart_monitor_indicator_available_set(mon, EINA_TRUE);
else
e_smart_monitor_indicator_available_set(mon, EINA_FALSE);
}
}
void
e_smart_randr_min_size_get(Evas_Object *obj, Evas_Coord *mw, Evas_Coord *mh)
{
E_Smart_Data *sd;
/* try to get the objects smart data */
if (!(sd = evas_object_smart_data_get(obj))) return;
if (mw) *mw = (sd->vw / 10);
if (mh) *mh = (sd->vh / 10);
}
Eina_Bool
e_smart_randr_changed_get(Evas_Object *obj)
{
E_Smart_Data *sd;
Eina_Bool changed = EINA_FALSE;
Eina_List *l = NULL;
Evas_Object *mon;
/* try to get the objects smart data */
if (!(sd = evas_object_smart_data_get(obj))) return EINA_FALSE;
EINA_LIST_FOREACH(sd->monitors, l, mon)
{
E_Smart_Monitor_Changes changes = E_SMART_MONITOR_CHANGED_NONE;
changes = e_smart_monitor_changes_get(mon);
if (changes > E_SMART_MONITOR_CHANGED_NONE)
{
changed = EINA_TRUE;
break;
}
}
return changed;
}
void
e_smart_randr_changes_apply(Evas_Object *obj)
{
E_Smart_Data *sd;
Eina_List *l = NULL;
Evas_Object *mon;
/* try to get the objects smart data */
if (!(sd = evas_object_smart_data_get(obj))) return;
/* tell each monitor to apply it's changes */
EINA_LIST_FOREACH(sd->monitors, l, mon)
e_smart_monitor_changes_apply(mon);
}
Eina_List *
e_smart_randr_monitors_get(Evas_Object *obj)
{
E_Smart_Data *sd;
/* try to get the objects smart data */
if (!(sd = evas_object_smart_data_get(obj))) return NULL;
return sd->monitors;
}
/* local functions */
static void
_e_smart_add(Evas_Object *obj)
{
E_Smart_Data *sd;
Evas *evas;
LOGFN(__FILE__, __LINE__, __FUNCTION__);
/* try to allocate the smart data structure */
if (!(sd = E_NEW(E_Smart_Data, 1))) return;
/* grab the canvas */
evas = evas_object_evas_get(obj);
sd->o_base = edje_object_add(evas);
e_theme_edje_object_set(sd->o_base, "base/theme/widgets",
"e/conf/randr/main");
evas_object_smart_member_add(sd->o_base, obj);
/* create the virtual grid */
sd->o_grid = evas_object_grid_add(evas);
edje_object_part_swallow(sd->o_base, "e.swallow.content", sd->o_grid);
/* setup grid move callback */
evas_object_event_callback_add(sd->o_grid, EVAS_CALLBACK_MOVE,
_e_smart_randr_grid_cb_move, sd);
evas_object_event_callback_add(sd->o_grid, EVAS_CALLBACK_RESIZE,
_e_smart_randr_grid_cb_resize, sd);
/* set the object's smart data */
evas_object_smart_data_set(obj, sd);
}
static void
_e_smart_del(Evas_Object *obj)
{
E_Smart_Data *sd;
Evas_Object *mon;
LOGFN(__FILE__, __LINE__, __FUNCTION__);
/* try to get the objects smart data */
if (!(sd = evas_object_smart_data_get(obj))) return;
/* free the monitors */
EINA_LIST_FREE(sd->monitors, mon)
{
evas_object_smart_callback_del(mon, "monitor_changed",
_e_smart_randr_monitor_cb_changed);
evas_object_smart_callback_del(mon, "monitor_moved",
_e_smart_randr_monitor_cb_moved);
evas_object_smart_callback_del(mon, "monitor_resized",
_e_smart_randr_monitor_cb_resized);
evas_object_del(mon);
}
/* remove grid move callback */
evas_object_event_callback_del(sd->o_grid, EVAS_CALLBACK_MOVE,
_e_smart_randr_grid_cb_move);
evas_object_event_callback_del(sd->o_grid, EVAS_CALLBACK_RESIZE,
_e_smart_randr_grid_cb_resize);
/* delete the grid object */
evas_object_del(sd->o_grid);
/* delete the base object */
evas_object_del(sd->o_base);
/* try to free the allocated structure */
E_FREE(sd);
/* set the objects smart data to null */
evas_object_smart_data_set(obj, NULL);
}
static void
_e_smart_move(Evas_Object *obj, Evas_Coord x, Evas_Coord y)
{
E_Smart_Data *sd;
LOGFN(__FILE__, __LINE__, __FUNCTION__);
/* try to get the objects smart data */
if (!(sd = evas_object_smart_data_get(obj))) return;
/* move the base object */
evas_object_move(sd->o_base, x, y);
}
static void
_e_smart_resize(Evas_Object *obj, Evas_Coord w, Evas_Coord h)
{
E_Smart_Data *sd;
LOGFN(__FILE__, __LINE__, __FUNCTION__);
/* try to get the objects smart data */
if (!(sd = evas_object_smart_data_get(obj))) return;
/* resize the base object */
evas_object_resize(sd->o_base, w, h);
}
static void
_e_smart_show(Evas_Object *obj)
{
E_Smart_Data *sd;
Eina_List *l = NULL;
Evas_Object *mon;
LOGFN(__FILE__, __LINE__, __FUNCTION__);
/* try to get the objects smart data */
if (!(sd = evas_object_smart_data_get(obj))) return;
/* if it is already visible, get out */
if (sd->visible) return;
/* show the base object */
evas_object_show(sd->o_base);
/* show any monitors */
EINA_LIST_FOREACH(sd->monitors, l, mon)
evas_object_show(mon);
/* set visibility flag */
sd->visible = EINA_TRUE;
}
static void
_e_smart_hide(Evas_Object *obj)
{
E_Smart_Data *sd;
Eina_List *l = NULL;
Evas_Object *mon;
LOGFN(__FILE__, __LINE__, __FUNCTION__);
/* try to get the objects smart data */
if (!(sd = evas_object_smart_data_get(obj))) return;
/* if it is not visible, we have nothing to do */
if (!sd->visible) return;
/* hide any monitors */
EINA_LIST_FOREACH(sd->monitors, l, mon)
evas_object_hide(mon);
/* hide the base object */
evas_object_hide(sd->o_base);
/* set visibility flag */
sd->visible = EINA_FALSE;
}
static void
_e_smart_clip_set(Evas_Object *obj, Evas_Object *clip)
{
E_Smart_Data *sd;
/* try to get the objects smart data */
if (!(sd = evas_object_smart_data_get(obj))) return;
/* set the clip */
evas_object_clip_set(sd->o_base, clip);
}
static void
_e_smart_clip_unset(Evas_Object *obj)
{
E_Smart_Data *sd;
/* try to get the objects smart data */
if (!(sd = evas_object_smart_data_get(obj))) return;
/* unset the clip */
evas_object_clip_unset(sd->o_base);
}
static void
_e_smart_randr_grid_cb_move(void *data, Evas *evas EINA_UNUSED, Evas_Object *obj EINA_UNUSED, void *event EINA_UNUSED)
{
E_Smart_Data *sd;
Evas_Coord gx = 0, gy = 0, gw = 0, gh = 0;
Eina_List *l = NULL;
Evas_Object *mon;
LOGFN(__FILE__, __LINE__, __FUNCTION__);
/* try to get the smart data */
if (!(sd = data)) return;
/* get the grid geometry */
evas_object_geometry_get(sd->o_grid, &gx, &gy, &gw, &gh);
/* loop the monitors and update grid geometry */
EINA_LIST_FOREACH(sd->monitors, l, mon)
e_smart_monitor_grid_set(mon, sd->o_grid, gx, gy, gw, gh);
}
static void
_e_smart_randr_grid_cb_resize(void *data, Evas *evas EINA_UNUSED, Evas_Object *obj EINA_UNUSED, void *event EINA_UNUSED)
{
E_Smart_Data *sd;
Evas_Coord gx = 0, gy = 0, gw = 0, gh = 0;
Eina_List *l = NULL;
Evas_Object *mon;
LOGFN(__FILE__, __LINE__, __FUNCTION__);
/* try to get the smart data */
if (!(sd = data)) return;
/* get the grid geometry */
evas_object_geometry_get(sd->o_grid, &gx, &gy, &gw, &gh);
/* loop the monitors and update grid geometry */
EINA_LIST_FOREACH(sd->monitors, l, mon)
e_smart_monitor_grid_set(mon, sd->o_grid, gx, gy, gw, gh);
}
static void
_e_smart_randr_monitor_cb_changed(void *data, Evas_Object *obj EINA_UNUSED, void *event EINA_UNUSED)
{
Evas_Object *randr;
if (!(randr = data)) return;
/* tell main dialog that something changed and to enable apply button */
evas_object_smart_callback_call(randr, "randr_changed", NULL);
}
static void
_e_smart_randr_monitor_cb_moved(void *data, Evas_Object *obj, void *event EINA_UNUSED)
{
E_Smart_Data *sd;
Evas_Object *randr;
if (!(randr = data)) return;
/* try to get the objects smart data */
if (!(sd = evas_object_smart_data_get(randr))) return;
/* normalize output positions so that upper left corner of all
* outputs is at 0,0 */
_e_smart_randr_monitor_position_normalize(sd);
/* move any monitors which are adjacent to this one to their new
* positions due to the resize, specifying this resized monitor as
* the one to skip */
_e_smart_randr_monitor_position_update(sd, obj, obj);
/* tell main dialog that something changed and to enable apply button */
evas_object_smart_callback_call(randr, "randr_changed", NULL);
}
static void
_e_smart_randr_monitor_cb_resized(void *data, Evas_Object *obj, void *event EINA_UNUSED)
{
E_Smart_Data *sd;
Evas_Object *randr;
if (!(randr = data)) return;
/* try to get the objects smart data */
if (!(sd = evas_object_smart_data_get(randr))) return;
/* move any monitors which are adjacent to this one to their new
* positions due to the resize, specifying this resized monitor as
* the one to skip */
_e_smart_randr_monitor_position_update(sd, obj, obj);
/* tell main dialog that something changed and to enable apply button */
evas_object_smart_callback_call(randr, "randr_changed", NULL);
}
static void
_e_smart_randr_monitor_position_update(E_Smart_Data *sd, Evas_Object *obj, Evas_Object *skip)
{
Eina_List *l = NULL;
Evas_Object *mon;
Eina_Rectangle o, op;
/* get the current geometry of the monitor we were passed in */
e_smart_monitor_current_geometry_get(obj, &o.x, &o.y, &o.w, &o.h);
e_smart_monitor_previous_geometry_get(obj, &op.x, &op.y, &op.w, &op.h);
/* loop the list of monitors */
EINA_LIST_FOREACH(sd->monitors, l, mon)
{
Eina_Rectangle m;
/* if this monitor is the one we want to skip, than skip it */
if (((skip) && (mon == skip)) || (mon == obj))
continue;
/* get the current geometry of this monitor */
e_smart_monitor_current_geometry_get(mon, &m.x, &m.y, &m.w, &m.h);
/* check if this monitor is adjacent to the original one,
* if it is, then we need to move it */
/* check for any monitors that are on this X axis
* (within a certain threshold of distance) */
if ((m.x >= (op.x + (op.w / 3))) &&
(((m.x <= ((op.x + op.w) + SNAP_FUZZ)) ||
(m.x <= ((op.x + op.w) - SNAP_FUZZ)))))
{
/* don't move the monitor IF this movement would place it
* outside the virual grid */
if (((o.x + o.w) + m.w) <= sd->vw)
e_smart_monitor_current_geometry_set(mon, (o.x + o.w),
m.y, m.w, m.h);
}
else if ((m.y >= (op.y + (op.h / 3))) &&
(((m.y <= ((op.y + op.h) + SNAP_FUZZ)) ||
(m.y <= ((op.y + op.h) - SNAP_FUZZ)))))
{
/* don't move the monitor IF this movement would place it
* outside the virual grid */
if (((o.y + o.h) + m.h) <= sd->vh)
e_smart_monitor_current_geometry_set(mon, m.x, (o.y + o.h),
m.w, m.h);
}
/* handle move case for obj */
else if ((o.x >= (m.x + (m.w / 3))) &&
(((o.x <= ((m.x + m.w) + SNAP_FUZZ)) ||
(o.x <= ((m.x + m.w) - SNAP_FUZZ)))))
{
/* don't move the monitor IF this movement would place it
* outside the virual grid */
if (((m.x + m.w) + o.w) <= sd->vw)
e_smart_monitor_current_geometry_set(obj, (m.x + m.w),
o.y, o.w, o.h);
}
else if ((o.y >= (m.y + (m.h / 3))) &&
(((o.y <= ((m.y + op.h) + SNAP_FUZZ)) ||
(o.y <= ((m.y + op.h) - SNAP_FUZZ)))))
{
/* don't move the monitor IF this movement would place it
* outside the virual grid */
if (((m.y + m.h) + o.h) <= sd->vh)
e_smart_monitor_current_geometry_set(obj, o.x, (m.y + m.h),
o.w, o.h);
}
}
}
static void
_e_smart_randr_monitor_position_normalize(E_Smart_Data *sd)
{
Evas_Object *mon;
Eina_List *l = NULL;
Evas_Coord minx = 0, miny = 0;
minx = 32768;
miny = 32768;
EINA_LIST_FOREACH(sd->monitors, l, mon)
{
Evas_Coord mx = 0, my = 0;
/* get the geometry for this monitor */
e_smart_monitor_current_geometry_get(mon, &mx, &my, NULL, NULL);
if (mx < minx) minx = mx;
if (my < miny) miny = my;
}
if ((minx) || (miny))
{
EINA_LIST_FOREACH(sd->monitors, l, mon)
{
Evas_Coord mx = 0, my = 0, mw = 0, mh = 0;
/* get the geometry for this monitor */
e_smart_monitor_current_geometry_get(mon, &mx, &my, &mw, &mh);
mx -= minx;
my -= miny;
/* move monitor to new position */
e_smart_monitor_current_geometry_set(mon, mx, my, mw, mh);
}
}
}
static void
_e_smart_randr_monitor_preferred_mode_size_get(Ecore_X_Randr_Output output, Evas_Coord *mw, Evas_Coord *mh)
{
Ecore_X_Window root = 0;
Ecore_X_Randr_Mode *modes;
int n = 0, p = 0;
if (mw) *mw = 0;
if (mh) *mh = 0;
if (!output) return;
root = ecore_x_window_root_first_get();
if (!(modes = ecore_x_randr_output_modes_get(root, output, &n, &p)))
return;
if ((n > 0) && (p > 0))
ecore_x_randr_mode_size_get(root, modes[p - 1], mw, mh);
else if (n > 0)
ecore_x_randr_mode_size_get(root, modes[0], mw, mh);
free(modes);
}
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