438 lines
11 KiB
C
438 lines
11 KiB
C
#include <Elementary.h>
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#include "elm_priv.h"
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/**
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* @defgroup Panes Panes
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*
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*/
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typedef struct _Widget_Data Widget_Data;
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struct _Widget_Data
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{
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Evas_Object *panes;
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struct
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{
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Evas_Object *left;
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Evas_Object *right;
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} contents;
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struct
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{
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int x_diff;
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int y_diff;
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Eina_Bool move;
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} move;
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Eina_Bool clicked_double;
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Eina_Bool horizontal;
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};
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static const char *widtype = NULL;
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static void _del_hook(Evas_Object *obj);
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static void _mirrored_set(Evas_Object *obj, Eina_Bool rtl);
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static void _theme_hook(Evas_Object *obj);
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static void _sizing_eval(Evas_Object *obj);
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static void _changed_size_hints(void *data, Evas *e, Evas_Object *obj, void *event_info);
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static void
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_del_hook(Evas_Object *obj)
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{
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Widget_Data *wd = elm_widget_data_get(obj);
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if (!wd) return;
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free(wd);
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}
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static void
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_mirrored_set(Evas_Object *obj, Eina_Bool rtl)
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{
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Widget_Data *wd = elm_widget_data_get(obj);
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if (!wd) return;
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edje_object_mirrored_set(wd->panes, rtl);
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}
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static void
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_theme_hook(Evas_Object *obj)
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{
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Widget_Data *wd = elm_widget_data_get(obj);
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const char *style = elm_widget_style_get(obj);
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double size;
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if (!wd) return;
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_elm_widget_mirrored_reload(obj);
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_mirrored_set(obj, elm_widget_mirrored_get(obj));
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size = elm_panes_content_left_size_get(obj);
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if (wd->horizontal)
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_elm_theme_object_set(obj, wd->panes, "panes", "horizontal", style);
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else
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_elm_theme_object_set(obj, wd->panes, "panes", "vertical", style);
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if (wd->contents.left)
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edje_object_part_swallow(wd->panes, "elm.swallow.left", wd->contents.left);
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if (wd->contents.right)
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edje_object_part_swallow(wd->panes, "elm.swallow.right", wd->contents.right);
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edje_object_scale_set(wd->panes, elm_widget_scale_get(obj) *
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_elm_config->scale);
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_sizing_eval(obj);
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elm_panes_content_left_size_set(obj, size);
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}
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static Eina_Bool
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_elm_panes_focus_next_hook(const Evas_Object *obj, Elm_Focus_Direction dir, Evas_Object **next)
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{
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Widget_Data *wd = elm_widget_data_get(obj);
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if (!wd)
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return EINA_FALSE;
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double w, h;
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edje_object_part_drag_value_get(wd->panes, "elm.bar", &w, &h);
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if (((wd->horizontal) && ( h == 0.0 )) || ((!wd->horizontal) && ( w == 0.0 )))
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return elm_widget_focus_next_get(wd->contents.right, dir, next);
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Evas_Object *chain[2];
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/* Direction */
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if (dir == ELM_FOCUS_PREVIOUS)
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{
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chain[0] = wd->contents.right;
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chain[1] = wd->contents.left;
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}
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else if (dir == ELM_FOCUS_NEXT)
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{
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chain[0] = wd->contents.left;
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chain[1] = wd->contents.right;
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}
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else
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return EINA_FALSE;
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unsigned char i = elm_widget_focus_get(chain[1]);
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if (elm_widget_focus_next_get(chain[i], dir, next))
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return EINA_TRUE;
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i = !i;
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Evas_Object *to_focus;
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if (elm_widget_focus_next_get(chain[i], dir, &to_focus))
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{
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*next = to_focus;
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return !!i;
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}
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return EINA_FALSE;
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}
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static void
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_sizing_eval(Evas_Object *obj)
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{
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Widget_Data *wd = elm_widget_data_get(obj);
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if (!wd) return;
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}
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static void
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_changed_size_hints(void *data, Evas *e __UNUSED__, Evas_Object *obj __UNUSED__, void *event_info __UNUSED__)
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{
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_sizing_eval(data);
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}
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static void
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_sub_del(void *data __UNUSED__, Evas_Object *obj __UNUSED__, void *event_info __UNUSED__)
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{
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Widget_Data *wd = elm_widget_data_get(obj);
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Evas_Object *sub = event_info;
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if (!wd) return;
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if (sub == wd->contents.left)
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{
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evas_object_event_callback_del_full(sub, EVAS_CALLBACK_CHANGED_SIZE_HINTS,
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_changed_size_hints, obj);
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wd->contents.left = NULL;
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_sizing_eval(obj);
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}
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else if (sub == wd->contents.right)
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{
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evas_object_event_callback_del_full(sub, EVAS_CALLBACK_CHANGED_SIZE_HINTS,
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_changed_size_hints, obj);
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wd->contents.right= NULL;
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_sizing_eval(obj);
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}
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}
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static void
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_clicked(void *data, Evas_Object *obj __UNUSED__ , const char *emission __UNUSED__, const char *source __UNUSED__)
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{
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evas_object_smart_callback_call(data, "clicked", NULL);
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}
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static void
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_clicked_double(void *data, Evas_Object *obj __UNUSED__ , const char *emission __UNUSED__, const char *source __UNUSED__)
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{
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Widget_Data *wd = elm_widget_data_get(data);
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wd->clicked_double = EINA_TRUE;
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}
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static void
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_press(void *data, Evas_Object *obj __UNUSED__ , const char *emission __UNUSED__, const char *source __UNUSED__)
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{
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evas_object_smart_callback_call(data, "press", NULL);
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}
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static void
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_unpress(void *data, Evas_Object *obj __UNUSED__ , const char *emission __UNUSED__, const char *source __UNUSED__)
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{
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Widget_Data *wd = elm_widget_data_get(data);
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evas_object_smart_callback_call(data, "unpress", NULL);
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if (wd->clicked_double)
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{
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evas_object_smart_callback_call(data, "clicked,double", NULL);
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wd->clicked_double = EINA_FALSE;
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}
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}
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/**
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* Add a new panes to the parent
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*
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* @param parent The parent object
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* @return The new object or NULL if it cannot be created
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*
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* @ingroup Panes
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*/
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EAPI Evas_Object *
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elm_panes_add(Evas_Object *parent)
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{
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Evas_Object *obj;
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Evas *e;
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Widget_Data *wd;
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ELM_WIDGET_STANDARD_SETUP(wd, Widget_Data, parent, e, obj, NULL);
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ELM_SET_WIDTYPE(widtype, "panes");
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elm_widget_type_set(obj, "panes");
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elm_widget_sub_object_add(parent, obj);
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elm_widget_data_set(obj, wd);
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elm_widget_del_hook_set(obj, _del_hook);
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elm_widget_theme_hook_set(obj, _theme_hook);
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elm_widget_focus_next_hook_set(obj, _elm_panes_focus_next_hook);
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elm_widget_can_focus_set(obj, EINA_FALSE);
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wd->panes = edje_object_add(e);
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_elm_theme_object_set(obj, wd->panes, "panes", "vertical", "default");
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elm_widget_resize_object_set(obj, wd->panes);
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evas_object_show(wd->panes);
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elm_panes_content_left_size_set(obj, 0.5);
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edje_object_signal_callback_add(wd->panes, "elm,action,click", "",
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_clicked, obj);
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edje_object_signal_callback_add(wd->panes, "elm,action,click,double", "",
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_clicked_double, obj);
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edje_object_signal_callback_add(wd->panes, "elm,action,press", "",
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_press, obj);
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edje_object_signal_callback_add(wd->panes, "elm,action,unpress", "",
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_unpress, obj);
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evas_object_smart_callback_add(obj, "sub-object-del", _sub_del, obj);
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evas_object_event_callback_add(obj, EVAS_CALLBACK_CHANGED_SIZE_HINTS,
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_changed_size_hints, obj);
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_mirrored_set(obj, elm_widget_mirrored_get(obj));
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_sizing_eval(obj);
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return obj;
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}
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/**
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* Set the left content of the panes widget.
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*
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* Once the content object is set, a previously set one will be deleted.
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* If you want to keep that old content object, use the
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* elm_panes_content_left_unset() function.
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*
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* @param obj The panes object
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* @param content The new left content object
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*
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* @ingroup Panes
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*/
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EAPI void
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elm_panes_content_left_set(Evas_Object *obj, Evas_Object *content)
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{
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ELM_CHECK_WIDTYPE(obj, widtype);
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Widget_Data *wd = elm_widget_data_get(obj);
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if (wd->contents.left)
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{
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evas_object_del(wd->contents.left);
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wd->contents.left = NULL;
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}
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if (content)
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{
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wd->contents.left = content;
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elm_widget_sub_object_add(obj, content);
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edje_object_part_swallow(wd->panes, "elm.swallow.left", content);
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}
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}
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/**
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* Set the right content of the panes widget.
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*
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* Once the content object is set, a previously set one will be deleted.
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* If you want to keep that old content object, use the
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* elm_panes_content_right_unset() function.
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*
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* @param obj The panes object
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* @param content The new right content object
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*
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* @ingroup Panes
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*/
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EAPI void
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elm_panes_content_right_set(Evas_Object *obj, Evas_Object *content)
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{
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ELM_CHECK_WIDTYPE(obj, widtype);
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Widget_Data *wd = elm_widget_data_get(obj);
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if (wd->contents.right)
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{
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evas_object_del(wd->contents.right);
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wd->contents.right = NULL;
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}
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if (content)
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{
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wd->contents.right = content;
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elm_widget_sub_object_add(obj, content);
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edje_object_part_swallow(wd->panes, "elm.swallow.right", content);
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}
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}
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/**
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* Get the left content used for the panes
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*
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* Return the left content object which is set for this widget.
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*
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* @param obj The panes object
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* @return The left content object that is being used
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*
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* @ingroup Panes
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*/
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EAPI Evas_Object *
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elm_panes_content_left_get(const Evas_Object *obj)
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{
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ELM_CHECK_WIDTYPE(obj, widtype) NULL;
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Widget_Data *wd = elm_widget_data_get(obj);
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return wd->contents.left;
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}
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/**
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* Get the right content used for the panes
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*
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* Return the right content object which is set for this widget.
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*
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* @param obj The panes object
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* @return The right content object that is being used
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*
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* @ingroup Panes
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*/
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EAPI Evas_Object *
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elm_panes_content_right_get(const Evas_Object *obj)
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{
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ELM_CHECK_WIDTYPE(obj, widtype) NULL;
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Widget_Data *wd = elm_widget_data_get(obj);
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return wd->contents.right;
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}
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/**
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* Unset the left content used for the panes
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*
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* Unparent and return the left content object which was set for this widget.
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*
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* @param obj The panes object
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* @return The left content object that was being used
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*
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* @ingroup Panes
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*/
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EAPI Evas_Object *
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elm_panes_content_left_unset(Evas_Object *obj)
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{
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ELM_CHECK_WIDTYPE(obj, widtype) NULL;
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Widget_Data *wd = elm_widget_data_get(obj);
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if (!wd) return NULL;
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if (!wd->contents.left) return NULL;
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Evas_Object *content = wd->contents.left;
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elm_widget_sub_object_del(obj, content);
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edje_object_part_unswallow(wd->panes, content);
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wd->contents.left = NULL;
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return content;
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}
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/**
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* Unset the right content used for the panes
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*
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* Unparent and return the right content object which was set for this widget.
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*
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* @param obj The panes object
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* @return The right content object that was being used
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*
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* @ingroup Panes
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*/
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EAPI Evas_Object *
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elm_panes_content_right_unset(Evas_Object *obj)
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{
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ELM_CHECK_WIDTYPE(obj, widtype) NULL;
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Widget_Data *wd = elm_widget_data_get(obj);
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if (!wd) return NULL;
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if (!wd->contents.right) return NULL;
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Evas_Object *content = wd->contents.right;
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elm_widget_sub_object_del(obj, content);
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edje_object_part_unswallow(wd->panes, content);
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wd->contents.right = NULL;
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return content;
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}
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EAPI double
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elm_panes_content_left_size_get(const Evas_Object *obj)
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{
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ELM_CHECK_WIDTYPE(obj, widtype) 0.0;
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Widget_Data *wd = elm_widget_data_get(obj);
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double w, h;
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edje_object_part_drag_value_get(wd->panes, "elm.bar", &w, &h);
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if (wd->horizontal) return h;
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else return w;
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}
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EAPI void
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elm_panes_content_left_size_set(Evas_Object *obj, double size)
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{
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ELM_CHECK_WIDTYPE(obj, widtype);
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Widget_Data *wd = elm_widget_data_get(obj);
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if (size < 0.0) size = 0.0;
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else if (size > 1.0) size = 1.0;
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if (wd->horizontal)
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edje_object_part_drag_value_set(wd->panes, "elm.bar", 0.0, size);
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else
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edje_object_part_drag_value_set(wd->panes, "elm.bar", size, 0.0);
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}
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EAPI void
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elm_panes_horizontal_set(Evas_Object *obj, Eina_Bool horizontal)
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{
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ELM_CHECK_WIDTYPE(obj, widtype);
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Widget_Data *wd = elm_widget_data_get(obj);
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wd->horizontal = horizontal;
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_theme_hook(obj);
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elm_panes_content_left_size_set(obj, 0.5);
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}
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EAPI Eina_Bool
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elm_panes_horizontal_get(const Evas_Object *obj)
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{
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ELM_CHECK_WIDTYPE(obj, widtype) EINA_FALSE;
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Widget_Data *wd = elm_widget_data_get(obj);
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return wd->horizontal;
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}
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