enlightenment/src/modules/conf_randr/e_int_config_randr.c

158 lines
4.6 KiB
C

#include "e.h"
#include "e_mod_main.h"
#include "e_int_config_randr.h"
#include "e_smart_randr.h"
/* local structures */
struct _E_Config_Dialog_Data
{
Evas_Object *o_randr;
};
/* local function prototypes */
static void *_create_data(E_Config_Dialog *cfd EINA_UNUSED);
static void _free_data(E_Config_Dialog *cfd EINA_UNUSED, E_Config_Dialog_Data *cfdata);
static Evas_Object *_basic_create(E_Config_Dialog *cfd, Evas *evas, E_Config_Dialog_Data *cfdata);
static int _basic_apply(E_Config_Dialog *cfd EINA_UNUSED, E_Config_Dialog_Data *cfdata);
static void _randr_cb_changed(void *data, Evas_Object *obj, void *event EINA_UNUSED);
/* public functions */
E_Config_Dialog *
e_int_config_randr(E_Container *con, const char *params EINA_UNUSED)
{
E_Config_Dialog *cfd;
E_Config_Dialog_View *v;
/* check for existing dialog */
if (e_config_dialog_find("E", "screen/screen_setup"))
return NULL;
/* check for valid XRandR protocol version */
if (e_randr_screen_info.randr_version < ECORE_X_RANDR_1_2)
return NULL;
/* try to allocate dialog view */
if (!(v = E_NEW(E_Config_Dialog_View, 1)))
return NULL;
/* set dialog view functions & properties */
v->create_cfdata = _create_data;
v->free_cfdata = _free_data;
v->basic.create_widgets = _basic_create;
v->basic.apply_cfdata = _basic_apply;
v->override_auto_apply = EINA_TRUE;
/* create new dialog */
cfd = e_config_dialog_new(con, _("Screen Setup"),
"E", "screen/screen_setup",
"preferences-system-screen-resolution",
0, v, NULL);
e_dialog_resizable_set(cfd->dia, 1);
return cfd;
}
/* local functions */
static void *
_create_data(E_Config_Dialog *cfd EINA_UNUSED)
{
E_Config_Dialog_Data *cfdata;
/* try to allocate the config data structure */
if (!(cfdata = E_NEW(E_Config_Dialog_Data, 1)))
return NULL;
return cfdata;
}
static void
_free_data(E_Config_Dialog *cfd EINA_UNUSED, E_Config_Dialog_Data *cfdata)
{
/* if we have the randr smart widget, delete it */
if (cfdata->o_randr)
{
/* delete the hook into randr widget changed signal */
evas_object_smart_callback_del(cfdata->o_randr, "changed",
_randr_cb_changed);
/* delete the randr object */
evas_object_del(cfdata->o_randr);
}
/* free the config data structure */
E_FREE(cfdata);
}
static Evas_Object *
_basic_create(E_Config_Dialog *cfd, Evas *evas, E_Config_Dialog_Data *cfdata)
{
Evas_Object *o;
Evas_Coord cw = 0, ch = 0;
/* create the base list widget */
o = e_widget_list_add(evas, 0, 0);
/* try to create randr smart widget */
if ((cfdata->o_randr = e_smart_randr_add(evas)))
{
Evas_Coord lw = 0, lh = 0;
/* ask randr widget to compute best layout size based on the
* size of available crtcs */
e_smart_randr_layout_size_get(cfdata->o_randr, &lw, &lh);
/* calculate virtual size
*
* NB: Get which size is larger. This is done so that the
* virtual canvas size can be set such that monitors may be
* repositioned easily in a horizontal or vertical layout.
* Without using MAX (and just using current size) than a
* horizontal layout cannot be changed into a vertical layout */
cw = MAX(lw, lh);
ch = MAX(lw, lh);
/* set the virtual size for the randr widget */
e_smart_randr_current_size_set(cfdata->o_randr, cw, ch);
/* tell randr widget to create monitors */
e_smart_randr_monitors_create(cfdata->o_randr);
/* hook into randr widget changed signal */
evas_object_smart_callback_add(cfdata->o_randr, "changed",
_randr_cb_changed, cfd);
/* add randr widget to the base widget */
e_widget_list_object_append(o, cfdata->o_randr, 1, 1, 0.5);
}
/* set a minimum size to 1/10th */
e_widget_size_min_set(o, (cw / 10), (ch / 10));
return o;
}
static int
_basic_apply(E_Config_Dialog *cfd EINA_UNUSED, E_Config_Dialog_Data *cfdata)
{
/* tell randr widget to apply changes */
e_smart_randr_changes_apply(cfdata->o_randr);
/* return success */
return 1;
}
static void
_randr_cb_changed(void *data, Evas_Object *obj, void *event EINA_UNUSED)
{
E_Config_Dialog *cfd;
Eina_Bool changed = EINA_FALSE;
if (!(cfd = data)) return;
/* get randr widget changed state */
changed = e_smart_randr_changed_get(obj);
/* update dialog with changed state */
e_config_dialog_changed_set(cfd, changed);
}