268 lines
7.0 KiB
C
268 lines
7.0 KiB
C
/*
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* vim:ts=8:sw=3:sts=8:noexpandtab:cino=>5n-3f0^-2{2
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*/
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#include "e.h"
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/*- DESCRIPTION -*/
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/* Adds a pushable button with an icon preview which serves as an icon
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* selector (could be extended to select certain file tyes.
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* NOTE: The Evas_Object *icon object in the *_add functions is expected to
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* be an e_icon.
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*/
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typedef struct _E_Widget_Data E_Widget_Data;
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struct _E_Widget_Data
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{
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E_Container *con;
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Evas_Object *obj;
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Evas_Object *o_button;
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Evas_Object *o_icon;
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char **valptr;
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void (*select_func) (Evas_Object *obj, char *file, void *data);
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void *select_data;
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};
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static void _e_wid_del_hook(Evas_Object *obj);
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static void _e_wid_focus_hook(Evas_Object *obj);
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static void _e_wid_activate_hook(Evas_Object *obj);
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static void _e_wid_active_hook_cb(E_Fileman *fileman, char *file, void *data);
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static void _e_wid_disable_hook(Evas_Object *obj);
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static void _e_wid_signal_cb1(void *data, Evas_Object *obj, const char *emission, const char *source);
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static void _e_wid_focus_steal(void *data, Evas *e, Evas_Object *obj, void *event_info);
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static void _e_wid_select_cb(E_File_Dialog *dia, char *file, void *data);
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/* local subsystem functions */
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/* externally accessible functions */
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Evas_Object *
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e_widget_iconsel_add(Evas *evas, Evas_Object *icon, Evas_Coord minw, Evas_Coord minh, char **file)
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{
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Evas_Object *obj, *o;
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E_Widget_Data *wd;
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Evas_Coord mw, mh;
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E_Manager *man;
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obj = e_widget_add(evas);
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e_widget_del_hook_set(obj, _e_wid_del_hook);
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e_widget_focus_hook_set(obj, _e_wid_focus_hook);
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e_widget_activate_hook_set(obj, _e_wid_activate_hook);
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e_widget_disable_hook_set(obj, _e_wid_disable_hook);
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wd = calloc(1, sizeof(E_Widget_Data));
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wd->valptr = file;
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wd->select_func = NULL;
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wd->select_data = NULL;
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wd->obj = obj;
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e_widget_data_set(obj, wd);
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man = e_manager_current_get();
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if (!man) return NULL;
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wd->con = e_container_current_get(man);
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if (!wd->con) wd->con = e_container_number_get(man, 0);
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if (!wd->con) return NULL;
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o = edje_object_add(evas);
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wd->o_button = o;
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e_theme_edje_object_set(o, "base/theme/widgets",
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"widgets/button");
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edje_object_signal_callback_add(o, "click", "", _e_wid_signal_cb1, obj);
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edje_object_part_text_set(o, "label", "");
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evas_object_show(o);
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e_widget_sub_object_add(obj, o);
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evas_object_event_callback_add(o, EVAS_CALLBACK_MOUSE_DOWN, _e_wid_focus_steal, obj);
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e_widget_resize_object_set(obj, o);
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if (icon)
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{
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wd->o_icon = icon;
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edje_extern_object_min_size_set(icon, minw, minh);
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evas_object_pass_events_set(icon, 1);
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edje_object_part_swallow(wd->o_button, "icon_swallow", wd->o_icon);
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edje_object_signal_emit(wd->o_button, "icon_visible", "");
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edje_object_message_signal_process(wd->o_button);
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evas_object_show(wd->o_icon);
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e_widget_sub_object_add(obj, wd->o_icon);
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}
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edje_object_size_min_calc(wd->o_button, &mw, &mh);
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e_widget_min_size_set(obj, mw, mh);
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return obj;
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}
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Evas_Object *
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e_widget_iconsel_add_from_file(Evas *evas, char *icon, Evas_Coord minw, Evas_Coord minh, char **file)
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{
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Evas_Object *obj, *o;
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E_Widget_Data *wd;
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Evas_Coord mw, mh;
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obj = e_widget_add(evas);
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e_widget_del_hook_set(obj, _e_wid_del_hook);
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e_widget_focus_hook_set(obj, _e_wid_focus_hook);
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e_widget_activate_hook_set(obj, _e_wid_activate_hook);
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e_widget_disable_hook_set(obj, _e_wid_disable_hook);
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wd = calloc(1, sizeof(E_Widget_Data));
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wd->valptr = file;
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wd->select_func = NULL;
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wd->select_data = NULL;
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wd->obj = obj;
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e_widget_data_set(obj, wd);
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o = edje_object_add(evas);
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wd->o_button = o;
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e_theme_edje_object_set(o, "base/theme/widgets",
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"widgets/button");
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edje_object_signal_callback_add(o, "click", "", _e_wid_signal_cb1, obj);
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edje_object_part_text_set(o, "label", "");
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evas_object_show(o);
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e_widget_sub_object_add(obj, o);
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evas_object_event_callback_add(o, EVAS_CALLBACK_MOUSE_DOWN, _e_wid_focus_steal, obj);
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e_widget_resize_object_set(obj, o);
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if (icon)
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{
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o = edje_object_add(evas);
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wd->o_icon = o;
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e_util_edje_icon_set(o, icon);
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edje_object_part_swallow(wd->o_button, "icon_swallow", o);
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edje_object_signal_emit(wd->o_button, "icon_visible", "");
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edje_object_message_signal_process(wd->o_button);
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evas_object_show(o);
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e_widget_sub_object_add(obj, o);
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}
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edje_object_size_min_calc(wd->o_button, &mw, &mh);
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e_widget_min_size_set(obj, mw, mh);
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return obj;
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}
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void
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e_widget_iconsel_select_callback_add(Evas_Object *obj, void (*func)(Evas_Object *obj, char *file, void *data), void *data)
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{
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E_Widget_Data *wd;
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wd = e_widget_data_get(obj);
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wd->select_func = func;
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wd->select_data = data;
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}
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static void
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_e_wid_del_hook(Evas_Object *obj)
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{
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E_Widget_Data *wd;
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wd = e_widget_data_get(obj);
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free(wd);
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}
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static void
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_e_wid_focus_hook(Evas_Object *obj)
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{
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E_Widget_Data *wd;
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wd = e_widget_data_get(obj);
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if (e_widget_focus_get(obj))
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{
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edje_object_signal_emit(wd->o_button, "focus_in", "");
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evas_object_focus_set(wd->o_button, 1);
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}
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else
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{
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edje_object_signal_emit(wd->o_button, "focus_out", "");
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evas_object_focus_set(wd->o_button, 0);
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}
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}
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static void
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_e_wid_activate_hook(Evas_Object *obj)
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{
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E_Widget_Data *wd;
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E_File_Dialog *dia;
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wd = e_widget_data_get(obj);
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dia = e_file_dialog_new(wd->con);
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if (!dia) return;
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e_file_dialog_title_set(dia, "Select File");
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e_file_dialog_select_callback_add(dia, _e_wid_select_cb, wd);
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e_file_dialog_show(dia);
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}
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static void
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_e_wid_active_hook_cb(E_Fileman *fileman, char *file, void *data)
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{
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char *ext;
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E_Widget_Data *wd;
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wd = e_widget_data_get(data);
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ext = strrchr(file, '.');
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if (!ext) return;
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if ((strcasecmp(ext, ".png")) &&
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(strcasecmp(ext, ".jpg")) &&
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(strcasecmp(ext, ".jpeg")))
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return;
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e_icon_file_set(wd->o_icon, file);
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E_FREE(*(wd->valptr));
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*(wd->valptr) = strdup(file);
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e_object_del(E_OBJECT(fileman));
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}
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static void
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_e_wid_disable_hook(Evas_Object *obj)
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{
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E_Widget_Data *wd;
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wd = e_widget_data_get(obj);
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if (e_widget_disabled_get(obj))
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edje_object_signal_emit(wd->o_button, "disabled", "");
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else
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edje_object_signal_emit(wd->o_button, "enabled", "");
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}
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static void
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_e_wid_signal_cb1(void *data, Evas_Object *obj, const char *emission, const char *source)
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{
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e_widget_focus_steal(data);
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_e_wid_activate_hook(data);
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e_widget_change(data);
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}
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static void
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_e_wid_focus_steal(void *data, Evas *e, Evas_Object *obj, void *event_info)
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{
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e_widget_focus_steal(data);
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}
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static void
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_e_wid_select_cb(E_File_Dialog *dia, char *file, void *data)
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{
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E_Widget_Data *wd;
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char *ext;
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wd = data;
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ext = strrchr(file, '.');
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if (!ext) return;
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if ((strcasecmp(ext, ".png")) &&
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(strcasecmp(ext, ".jpg")) &&
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(strcasecmp(ext, ".jpeg")))
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return;
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if (wd->select_func)
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wd->select_func(wd->obj, file, wd->select_data);
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e_icon_file_set(wd->o_icon, file);
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E_FREE(*(wd->valptr));
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*(wd->valptr) = strdup(file);
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e_object_del(E_OBJECT(dia));
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}
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