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