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enlightenment/src/bin/e_entry.c

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/*
* vim:ts=8:sw=3:sts=8:noexpandtab:cino=>5n-3f0^-2{2
*/
#include "e.h"
#ifdef HAVE_ECORE_IMF
#include <Ecore_IMF.h>
#include <Ecore_IMF_Evas.h>
#endif
typedef struct _E_Entry_Smart_Data E_Entry_Smart_Data;
struct _E_Entry_Smart_Data
{
Evas_Object *entry_object;
Evas_Object *editable_object;
E_Menu *popup;
Ecore_Event_Handler *selection_handler;
#ifdef HAVE_ECORE_IMF
Ecore_IMF_Context *imf_context;
#endif
Ecore_Event_Handler *imf_ee_commit_handler;
Ecore_Event_Handler *imf_ee_delete_handler;
int enabled;
int focused;
int selection_dragging;
int selection_mode;
float valign;
int min_width;
int height;
};
/* local subsystem functions */
static void _e_entry_key_down_cb(void *data, Evas *e, Evas_Object *obj, void *event_info);
static void _e_entry_key_up_cb(void *data, Evas *e, Evas_Object *obj, void *event_info);
static void _e_entry_mouse_down_cb(void *data, Evas *e, Evas_Object *obj, void *event_info);
static void _e_entry_mouse_up_cb(void *data, Evas *e, Evas_Object *obj, void *event_info);
static void _e_entry_mouse_move_cb(void *data, Evas *e, Evas_Object *obj, void *event_info);
static int _e_entry_x_selection_notify_handler(void *data, int type, void *event);
static void _e_entry_x_selection_update(Evas_Object *entry);
static void _e_entry_key_down_windows(Evas_Object *entry, Evas_Event_Key_Down *event);
static void _e_entry_key_down_emacs(Evas_Object *entry, Evas_Event_Key_Down *event);
static void _e_entry_smart_add(Evas_Object *object);
static void _e_entry_smart_del(Evas_Object *object);
static void _e_entry_smart_move(Evas_Object *object, Evas_Coord x, Evas_Coord y);
static void _e_entry_smart_resize(Evas_Object *object, Evas_Coord w, Evas_Coord h);
static void _e_entry_smart_show(Evas_Object *object);
static void _e_entry_smart_hide(Evas_Object *object);
static void _e_entry_color_set(Evas_Object *object, int r, int g, int b, int a);
static void _e_entry_clip_set(Evas_Object *object, Evas_Object *clip);
static void _e_entry_clip_unset(Evas_Object *object);
static void _e_entry_cb_menu_post(void *data, E_Menu *m);
static void _e_entry_cb_cut(void *data, E_Menu *m, E_Menu_Item *mi);
static void _e_entry_cb_copy(void *data, E_Menu *m, E_Menu_Item *mi);
static void _e_entry_cb_paste(void *data, E_Menu *m, E_Menu_Item *mi);
static void _e_entry_cb_select_all(void *data, E_Menu *m, E_Menu_Item *mi);
static void _e_entry_cb_delete(void *data, E_Menu *m, E_Menu_Item *mi);
#ifdef HAVE_ECORE_IMF
static int _e_entry_cb_imf_retrieve_surrounding(void *data, Ecore_IMF_Context *ctx, char **text, int *cursor_pos);
static int _e_entry_cb_imf_event_commit(void *data, int type, void *event);
static int _e_entry_cb_imf_event_delete_surrounding(void *data, int type, void *event);
#endif
/* local subsystem globals */
static Evas_Smart *_e_entry_smart = NULL;
static int _e_entry_smart_use = 0;
static int _e_entry_emacs_keybindings = 0;
/* externally accessible functions */
/**
* Creates a new entry object. An entry is a field where the user can type
* single-line text.
* Use the "changed" smart callback to know when the content of the entry is
* changed
*
* @param evas the evas where the entry object should be added
* @return Returns the new entry object
*/
EAPI Evas_Object *
e_entry_add(Evas *evas)
{
if (!_e_entry_smart)
{
static const Evas_Smart_Class sc =
{
"e_entry",
EVAS_SMART_CLASS_VERSION,
_e_entry_smart_add,
_e_entry_smart_del,
_e_entry_smart_move,
_e_entry_smart_resize,
_e_entry_smart_show,
_e_entry_smart_hide,
_e_entry_color_set,
_e_entry_clip_set,
_e_entry_clip_unset,
NULL,
NULL,
NULL,
NULL
};
_e_entry_smart = evas_smart_class_new(&sc);
_e_entry_smart_use = 0;
}
_e_entry_smart_use++;
return evas_object_smart_add(evas, _e_entry_smart);
}
/**
* Sets the text of the entry object
*
* @param entry an entry object
* @param text the text to set
*/
EAPI void
e_entry_text_set(Evas_Object *entry, const char *text)
{
E_Entry_Smart_Data *sd;
if ((!entry) || (!(sd = evas_object_smart_data_get(entry))))
return;
e_editable_text_set(sd->editable_object, text);
evas_object_smart_callback_call(entry, "changed", NULL);
}
/**
* Gets the text of the entry object
*
* @param entry an entry object
* @return Returns the text of the entry object
*/
EAPI const char *
e_entry_text_get(Evas_Object *entry)
{
E_Entry_Smart_Data *sd;
if ((!entry) || (!(sd = evas_object_smart_data_get(entry))))
return NULL;
return e_editable_text_get(sd->editable_object);
}
/**
* Clears the entry object
*
* @param entry an entry object
*/
EAPI void
e_entry_clear(Evas_Object *entry)
{
e_entry_text_set(entry, "");
}
/**
* Gets the editable object used by the entry object. It will allow you to have
* better control on the text, the cursor or the selection of the entry with
* the e_editable_*() functions.
*
* @param entry an entry object
* @return Returns the editable object used by the entry object
*/
EAPI Evas_Object *
e_entry_editable_object_get(Evas_Object *entry)
{
E_Entry_Smart_Data *sd;
if ((!entry) || (!(sd = evas_object_smart_data_get(entry))))
return NULL;
return sd->editable_object;
}
/**
* Sets whether or not the entry object is in password mode. In password mode,
* the entry displays '*' instead of the characters
*
* @param entry an entry object
* @param password_mode 1 to turn on password mode, 0 to turn it off
*/
EAPI void
e_entry_password_set(Evas_Object *entry, int password_mode)
{
E_Entry_Smart_Data *sd;
if ((!entry) || (!(sd = evas_object_smart_data_get(entry))))
return;
e_editable_password_set(sd->editable_object, password_mode);
#ifdef HAVE_ECORE_IMF
if (sd->imf_context)
ecore_imf_context_input_mode_set(sd->imf_context,
password_mode ? ECORE_IMF_INPUT_MODE_FULL & ECORE_IMF_INPUT_MODE_INVISIBLE :
ECORE_IMF_INPUT_MODE_FULL);
#endif
}
/**
* Gets the minimum size of the entry object
*
* @param entry an entry object
* @param minw the location where to store the minimun width of the entry
* @param minh the location where to store the minimun height of the entry
*/
EAPI void
e_entry_min_size_get(Evas_Object *entry, Evas_Coord *minw, Evas_Coord *minh)
{
E_Entry_Smart_Data *sd;
if ((!entry) || (!(sd = evas_object_smart_data_get(entry))))
return;
if (minw) *minw = sd->min_width;
if (minh) *minh = sd->height;
}
/**
* Focuses the entry object. It will receives keyboard events and the user could
* then type some text (the entry should also be enabled. The cursor and the
* selection will be shown
*
* @param entry the entry to focus
*/
EAPI void
e_entry_focus(Evas_Object *entry)
{
E_Entry_Smart_Data *sd;
if ((!entry) || (!(sd = evas_object_smart_data_get(entry))))
return;
if (sd->focused)
return;
evas_object_focus_set(entry, 1);
edje_object_signal_emit(sd->entry_object, "e,state,focused", "e");
if (!sd->selection_dragging)
{
e_editable_cursor_move_to_end(sd->editable_object);
#ifdef HAVE_ECORE_IMF
if (sd->imf_context)
{
ecore_imf_context_reset(sd->imf_context);
ecore_imf_context_cursor_position_set(sd->imf_context,
e_editable_cursor_pos_get(sd->editable_object));
}
#endif
e_editable_selection_move_to_end(sd->editable_object);
}
if (sd->enabled)
e_editable_cursor_show(sd->editable_object);
e_editable_selection_show(sd->editable_object);
#ifdef HAVE_ECORE_IMF
if (sd->imf_context)
{
ecore_imf_context_reset(sd->imf_context);
ecore_imf_context_focus_in(sd->imf_context);
}
#endif
sd->focused = 1;
}
/**
* Unfocuses the entry object. It will no longer receives keyboard events so
* the user could no longer type some text. The cursor and the selection will
* be hidden
*
* @param entry the entry object to unfocus
*/
EAPI void
e_entry_unfocus(Evas_Object *entry)
{
E_Entry_Smart_Data *sd;
if ((!entry) || (!(sd = evas_object_smart_data_get(entry))))
return;
if (!sd->focused)
return;
evas_object_focus_set(entry, 0);
edje_object_signal_emit(sd->entry_object, "e,state,unfocused", "e");
e_editable_cursor_hide(sd->editable_object);
e_editable_selection_hide(sd->editable_object);
#ifdef HAVE_ECORE_IMF
if (sd->imf_context)
{
ecore_imf_context_reset(sd->imf_context);
ecore_imf_context_focus_out(sd->imf_context);
}
#endif
sd->focused = 0;
}
/**
* Enables the entry object: the user will be able to type text
*
* @param entry the entry object to enable
*/
EAPI void
e_entry_enable(Evas_Object *entry)
{
E_Entry_Smart_Data *sd;
if ((!entry) || (!(sd = evas_object_smart_data_get(entry))))
return;
if (sd->enabled)
return;
edje_object_signal_emit(sd->entry_object, "e,state,enabled", "e");
e_editable_enable(sd->editable_object);
if (sd->focused)
e_editable_cursor_show(sd->editable_object);
sd->enabled = 1;
}
/**
* Disables the entry object: the user won't be able to type anymore. Selection
* will still be possible (to copy the text)
*
* @param entry the entry object to disable
*/
EAPI void
e_entry_disable(Evas_Object *entry)
{
E_Entry_Smart_Data *sd;
if ((!entry) || (!(sd = evas_object_smart_data_get(entry))))
return;
if (!sd->enabled)
return;
edje_object_signal_emit(sd->entry_object, "e,state,disabled", "e");
e_editable_disable(sd->editable_object);
e_editable_cursor_hide(sd->editable_object);
sd->enabled = 0;
}
/* Private functions */
/* Called when a key has been pressed by the user */
static void
_e_entry_key_down_cb(void *data, Evas *e, Evas_Object *obj, void *event_info)
{
E_Entry_Smart_Data *sd;
if ((!obj) || (!(sd = evas_object_smart_data_get(obj))))
return;
#ifdef HAVE_ECORE_IMF
if (sd->imf_context)
{
Ecore_IMF_Event_Key_Down ev;
ecore_imf_evas_event_key_down_wrap(event_info, &ev);
if (ecore_imf_context_filter_event(sd->imf_context,
ECORE_IMF_EVENT_KEY_DOWN,
(Ecore_IMF_Event *) &ev))
return;
}
#endif
if (_e_entry_emacs_keybindings)
_e_entry_key_down_emacs(obj, event_info);
else
_e_entry_key_down_windows(obj, event_info);
}
/* Called when a key has been released by the user */
static void
_e_entry_key_up_cb(void *data, Evas *e, Evas_Object *obj, void *event_info)
{
E_Entry_Smart_Data *sd;
if ((!obj) || (!(sd = evas_object_smart_data_get(obj))))
return;
#ifdef HAVE_ECORE_IMF
if (sd->imf_context)
{
Ecore_IMF_Event_Key_Up ev;
ecore_imf_evas_event_key_up_wrap(event_info, &ev);
if (ecore_imf_context_filter_event(sd->imf_context,
ECORE_IMF_EVENT_KEY_UP,
(Ecore_IMF_Event *) &ev))
return;
}
#endif
}
/* Called when the entry object is pressed by the mouse */
static void
_e_entry_mouse_down_cb(void *data, Evas *e, Evas_Object *obj, void *event_info)
{
E_Entry_Smart_Data *sd;
Evas_Event_Mouse_Down *event;
Evas_Coord ox, oy;
int pos;
if ((!obj) || (!(sd = evas_object_smart_data_get(obj))))
return;
if (!(event = event_info))
return;
#ifdef HAVE_ECORE_IMF
if (sd->imf_context)
{
Ecore_IMF_Event_Mouse_Down ev;
ecore_imf_evas_event_mouse_down_wrap(event_info, &ev);
if (ecore_imf_context_filter_event(sd->imf_context,
ECORE_IMF_EVENT_MOUSE_DOWN,
(Ecore_IMF_Event *) &ev))
return;
}
#endif
evas_object_geometry_get(sd->editable_object, &ox, &oy, NULL, NULL);
pos = e_editable_pos_get_from_coords(sd->editable_object,
event->canvas.x - ox,
event->canvas.y - oy);
if (event->button == 1)
{
if (event->flags & EVAS_BUTTON_TRIPLE_CLICK)
{
e_editable_select_all(sd->editable_object);
_e_entry_x_selection_update(obj);
}
else if (event->flags & EVAS_BUTTON_DOUBLE_CLICK)
{
e_editable_select_word(sd->editable_object, pos);
_e_entry_x_selection_update(obj);
}
else
{
e_editable_cursor_pos_set(sd->editable_object, pos);
if (!evas_key_modifier_is_set(event->modifiers, "Shift"))
e_editable_selection_pos_set(sd->editable_object, pos);
sd->selection_dragging = 1;
}
}
else if (event->button == 2)
{
E_Win *win;
e_editable_cursor_pos_set(sd->editable_object, pos);
e_editable_selection_pos_set(sd->editable_object, pos);
if ((win = e_win_evas_object_win_get(obj)))
ecore_x_selection_primary_request(win->evas_win,
ECORE_X_SELECTION_TARGET_UTF8_STRING);
}
else if (event->button == 3)
{
E_Menu_Item *mi;
E_Manager *man;
E_Container *con;
int x, y;
int cursor_pos, selection_pos;
int start_pos, end_pos;
int s_enabled, s_selecting, s_empty, s_passwd;
cursor_pos = e_editable_cursor_pos_get(sd->editable_object);
selection_pos = e_editable_selection_pos_get(sd->editable_object);
start_pos = (cursor_pos <= selection_pos) ? cursor_pos : selection_pos;
end_pos = (cursor_pos >= selection_pos) ? cursor_pos : selection_pos;
s_selecting = (start_pos != end_pos);
s_enabled = sd->enabled;
s_empty = !e_editable_text_length_get(sd->editable_object);
s_passwd = e_editable_password_get(sd->editable_object);
if (!s_selecting && !s_enabled && s_empty) return;
man = e_manager_current_get();
con = e_container_current_get(man);
ecore_x_pointer_xy_get(con->win, &x, &y);
/* Popup a menu */
sd->popup = e_menu_new();
e_menu_post_deactivate_callback_set(sd->popup,
_e_entry_cb_menu_post, sd);
if (s_selecting)
{
if (s_enabled)
{
mi = e_menu_item_new(sd->popup);
e_menu_item_label_set(mi, _("Delete"));
e_util_menu_item_theme_icon_set(mi, "edit-delete");
e_menu_item_callback_set(mi, _e_entry_cb_delete, sd);
mi = e_menu_item_new(sd->popup);
e_menu_item_separator_set(mi, 1);
if (!s_passwd)
{
mi = e_menu_item_new(sd->popup);
e_menu_item_label_set(mi, _("Cut"));
e_util_menu_item_theme_icon_set(mi, "edit-cut");
e_menu_item_callback_set(mi, _e_entry_cb_cut, sd);
}
}
if (!s_passwd)
{
mi = e_menu_item_new(sd->popup);
e_menu_item_label_set(mi, _("Copy"));
e_util_menu_item_theme_icon_set(mi, "edit-copy");
e_menu_item_callback_set(mi, _e_entry_cb_copy, sd);
}
}
if (sd->enabled)
{
mi = e_menu_item_new(sd->popup);
e_menu_item_label_set(mi, _("Paste"));
e_util_menu_item_theme_icon_set(mi, "edit-paste");
e_menu_item_callback_set(mi, _e_entry_cb_paste, sd);
}
if (!s_empty)
{
mi = e_menu_item_new(sd->popup);
e_menu_item_separator_set(mi, 1);
mi = e_menu_item_new(sd->popup);
e_menu_item_label_set(mi, _("Select All"));
e_util_menu_item_theme_icon_set(mi, "edit-select-all");
e_menu_item_callback_set(mi, _e_entry_cb_select_all, sd);
}
e_menu_activate_mouse(sd->popup, e_util_zone_current_get(man),
x, y, 1, 1,
E_MENU_POP_DIRECTION_DOWN, event->timestamp);
}
#ifdef HAVE_ECORE_IMF
if (sd->imf_context)
{
ecore_imf_context_reset(sd->imf_context);
ecore_imf_context_cursor_position_set(sd->imf_context,
e_editable_cursor_pos_get(sd->editable_object));
}
#endif
}
/* Called when the entry object is released by the mouse */
static void
_e_entry_mouse_up_cb(void *data, Evas *e, Evas_Object *obj, void *event_info)
{
E_Entry_Smart_Data *sd;
if ((!obj) || (!(sd = evas_object_smart_data_get(obj))))
return;
#ifdef HAVE_ECORE_IMF
if (sd->imf_context)
{
Ecore_IMF_Event_Mouse_Up ev;
ecore_imf_evas_event_mouse_up_wrap(event_info, &ev);
if (ecore_imf_context_filter_event(sd->imf_context,
ECORE_IMF_EVENT_MOUSE_UP,
(Ecore_IMF_Event *) &ev))
return;
}
#endif
if (sd->selection_dragging)
{
sd->selection_dragging = 0;
_e_entry_x_selection_update(obj);
}
}
/* Called when the mouse moves over the entry object */
static void
_e_entry_mouse_move_cb(void *data, Evas *e, Evas_Object *obj, void *event_info)
{
E_Entry_Smart_Data *sd;
Evas_Event_Mouse_Move *event;
Evas_Coord ox, oy;
int pos;
if ((!obj) || (!(sd = evas_object_smart_data_get(obj))))
return;
if (!(event = event_info))
return;
#ifdef HAVE_ECORE_IMF
if (sd->imf_context)
{
Ecore_IMF_Event_Mouse_Move ev;
ecore_imf_evas_event_mouse_move_wrap(event_info, &ev);
if (ecore_imf_context_filter_event(sd->imf_context,
ECORE_IMF_EVENT_MOUSE_MOVE,
(Ecore_IMF_Event *) &ev))
return;
}
#endif
if (sd->selection_dragging)
{
evas_object_geometry_get(sd->editable_object, &ox, &oy, NULL, NULL);
pos = e_editable_pos_get_from_coords(sd->editable_object,
event->cur.canvas.x - ox,
event->cur.canvas.y - oy);
e_editable_cursor_pos_set(sd->editable_object, pos);
#ifdef HAVE_ECORE_IMF
if (sd->imf_context)
{
ecore_imf_context_reset(sd->imf_context);
ecore_imf_context_cursor_position_set(sd->imf_context,
pos);
}
#endif
}
}
/* Called when the the "selection_notify" event is emitted */
static int
_e_entry_x_selection_notify_handler(void *data, int type, void *event)
{
Evas_Object *entry;
E_Entry_Smart_Data *sd;
Ecore_X_Event_Selection_Notify *ev;
Evas_Object *editable;
int cursor_pos, selection_pos;
int start_pos, end_pos;
int selecting;
int changed = 0;
if ((!(entry = data)) || (!(sd = evas_object_smart_data_get(entry))))
return 1;
if (!sd->focused)
return 1;
editable = sd->editable_object;
cursor_pos = e_editable_cursor_pos_get(editable);
selection_pos = e_editable_selection_pos_get(editable);
start_pos = (cursor_pos <= selection_pos) ? cursor_pos : selection_pos;
end_pos = (cursor_pos >= selection_pos) ? cursor_pos : selection_pos;
selecting = (start_pos != end_pos);
ev = event;
if ((ev->selection == ECORE_X_SELECTION_CLIPBOARD) ||
(ev->selection == ECORE_X_SELECTION_PRIMARY))
{
if (strcmp(ev->target, ECORE_X_SELECTION_TARGET_UTF8_STRING) == 0)
{
Ecore_X_Selection_Data_Text *text_data;
text_data = ev->data;
if (selecting && !_e_entry_emacs_keybindings)
changed |= e_editable_delete(editable, start_pos, end_pos);
changed |= e_editable_insert(editable, start_pos, text_data->text);
}
}
if (changed)
evas_object_smart_callback_call(entry, "changed", NULL);
return 1;
}
/* Updates the X selection with the selected text of the entry */
static void
_e_entry_x_selection_update(Evas_Object *entry)
{
E_Entry_Smart_Data *sd;
Evas_Object *editable;
E_Win *win;
int cursor_pos, selection_pos;
int start_pos, end_pos;
int selecting;
char *text;
if ((!entry) || (!(sd = evas_object_smart_data_get(entry))))
return;
if (!(win = e_win_evas_object_win_get(entry)))
return;
editable = sd->editable_object;
if (e_editable_password_get(editable)) return;
cursor_pos = e_editable_cursor_pos_get(editable);
selection_pos = e_editable_selection_pos_get(editable);
start_pos = (cursor_pos <= selection_pos) ? cursor_pos : selection_pos;
end_pos = (cursor_pos >= selection_pos) ? cursor_pos : selection_pos;
selecting = (start_pos != end_pos);
if ((!selecting) ||
(!(text = e_editable_text_range_get(editable, start_pos, end_pos))))
return;
ecore_x_selection_primary_set(win->evas_win, text, strlen(text) + 1);
free(text);
}
/* Treats the "key down" event to mimick the behavior of Windows/Gtk2/Qt */
static void
_e_entry_key_down_windows(Evas_Object *entry, Evas_Event_Key_Down *event)
{
E_Entry_Smart_Data *sd;
Evas_Object *editable;
int cursor_pos, selection_pos;
int start_pos, end_pos;
int selecting;
int changed = 0;
int selection_changed = 0;
char *range;
E_Win *win;
if ((!entry) || (!(sd = evas_object_smart_data_get(entry))))
return;
if ((!event) || (!event->keyname))
return;
editable = sd->editable_object;
cursor_pos = e_editable_cursor_pos_get(editable);
selection_pos = e_editable_selection_pos_get(editable);
start_pos = (cursor_pos <= selection_pos) ? cursor_pos : selection_pos;
end_pos = (cursor_pos >= selection_pos) ? cursor_pos : selection_pos;
selecting = (start_pos != end_pos);
/* Move the cursor/selection to the left */
if (strcmp(event->key, "Left") == 0)
{
if (evas_key_modifier_is_set(event->modifiers, "Shift"))
{
e_editable_cursor_move_left(editable);
selection_changed = 1;
}
else if (selecting)
{
if (cursor_pos < selection_pos)
e_editable_selection_pos_set(editable, cursor_pos);
else
e_editable_cursor_pos_set(editable, selection_pos);
}
else
{
e_editable_cursor_move_left(editable);
e_editable_selection_pos_set(editable,
e_editable_cursor_pos_get(editable));
}
}
/* Move the cursor/selection to the right */
else if (strcmp(event->key, "Right") == 0)
{
if (evas_key_modifier_is_set(event->modifiers, "Shift"))
{
e_editable_cursor_move_right(editable);
selection_changed = 1;
}
else if (selecting)
{
if (cursor_pos > selection_pos)
e_editable_selection_pos_set(editable, cursor_pos);
else
e_editable_cursor_pos_set(editable, selection_pos);
}
else
{
e_editable_cursor_move_right(editable);
e_editable_selection_pos_set(editable,
e_editable_cursor_pos_get(editable));
}
}
/* Move the cursor/selection to the start of the entry */
else if (strcmp(event->keyname, "Home") == 0)
{
e_editable_cursor_move_to_start(editable);
if (!evas_key_modifier_is_set(event->modifiers, "Shift"))
e_editable_selection_pos_set(editable,
e_editable_cursor_pos_get(editable));
else
selection_changed = 1;
}
/* Move the cursor/selection to the end of the entry */
else if (strcmp(event->keyname, "End") == 0)
{
e_editable_cursor_move_to_end(editable);
if (!evas_key_modifier_is_set(event->modifiers, "Shift"))
e_editable_selection_pos_set(editable,
e_editable_cursor_pos_get(editable));
else
selection_changed = 1;
}
/* Delete the previous character */
else if ((sd->enabled) && (strcmp(event->keyname, "BackSpace") == 0))
{
if (selecting)
changed = e_editable_delete(editable, start_pos, end_pos);
else
changed = e_editable_delete(editable, cursor_pos - 1, cursor_pos);
}
/* Delete the next character */
else if ((sd->enabled) && (strcmp(event->keyname, "Delete") == 0))
{
if (selecting)
changed = e_editable_delete(editable, start_pos, end_pos);
else
changed = e_editable_delete(editable, cursor_pos, cursor_pos + 1);
}
/* Ctrl + A,C,X,V */
else if (evas_key_modifier_is_set(event->modifiers, "Control"))
{
if (strcmp(event->keyname, "a") == 0)
{
e_editable_select_all(editable);
selection_changed = 1;
}
else if ((strcmp(event->keyname, "x") == 0) ||
(strcmp(event->keyname, "c") == 0))
{
if (!e_editable_password_get(editable) && selecting)
{
range = e_editable_text_range_get(editable, start_pos, end_pos);
if (range)
{
if ((win = e_win_evas_object_win_get(entry)))
ecore_x_selection_clipboard_set(win->evas_win,
range,
strlen(range) + 1);
free(range);
}
if ((sd->enabled) && (strcmp(event->keyname, "x") == 0))
changed = e_editable_delete(editable, start_pos, end_pos);
}
}
else if ((sd->enabled) && (strcmp(event->keyname, "v") == 0))
{
if ((win = e_win_evas_object_win_get(entry)))
ecore_x_selection_clipboard_request(win->evas_win,
ECORE_X_SELECTION_TARGET_UTF8_STRING);
}
}
/* Otherwise, we insert the corresponding character */
else if ((event->string) && ((sd->enabled)) &&
((strlen(event->string) != 1) || (event->string[0] >= 0x20)))
{
if (selecting)
changed |= e_editable_delete(editable, start_pos, end_pos);
changed |= e_editable_insert(editable, start_pos, event->string);
}
#ifdef HAVE_ECORE_IMF
if (sd->imf_context)
{
ecore_imf_context_reset(sd->imf_context);
ecore_imf_context_cursor_position_set(sd->imf_context,
e_editable_cursor_pos_get(editable));
}
#endif
if (changed)
evas_object_smart_callback_call(entry, "changed", NULL);
if (selection_changed)
_e_entry_x_selection_update(entry);
}
/* Treats the "key down" event to mimick the behavior of Emacs */
static void
_e_entry_key_down_emacs(Evas_Object *entry, Evas_Event_Key_Down *event)
{
E_Entry_Smart_Data *sd;
Evas_Object *editable;
int cursor_pos, selection_pos;
int start_pos, end_pos;
int selecting;
int changed = 0;
int selection_changed = 0;
char *range;
E_Win *win;
if ((!entry) || (!(sd = evas_object_smart_data_get(entry))))
return;
if ((!event) || (!event->keyname))
return;
editable = sd->editable_object;
cursor_pos = e_editable_cursor_pos_get(editable);
selection_pos = e_editable_selection_pos_get(editable);
start_pos = (cursor_pos <= selection_pos) ? cursor_pos : selection_pos;
end_pos = (cursor_pos >= selection_pos) ? cursor_pos : selection_pos;
selecting = (start_pos != end_pos);
/* Move the cursor/selection to the left */
if ((strcmp(event->key, "Left") == 0) ||
((evas_key_modifier_is_set(event->modifiers, "Control")) &&
(strcmp(event->key, "b") == 0)))
{
e_editable_cursor_move_left(editable);
if (sd->selection_mode)
selection_changed = 1;
else
e_editable_selection_pos_set(editable,
e_editable_cursor_pos_get(editable));
}
/* Move the cursor/selection to the right */
else if ((strcmp(event->key, "Right") == 0) ||
((evas_key_modifier_is_set(event->modifiers, "Control")) &&
(strcmp(event->key, "f") == 0)))
{
e_editable_cursor_move_right(editable);
if (sd->selection_mode)
selection_changed = 1;
else
e_editable_selection_pos_set(editable,
e_editable_cursor_pos_get(editable));
}
/* Move the cursor/selection to the start of the entry */
else if ((strcmp(event->keyname, "Home") == 0) ||
((evas_key_modifier_is_set(event->modifiers, "Control")) &&
(strcmp(event->key, "a") == 0)))
{
e_editable_cursor_move_to_start(editable);
if (sd->selection_mode)
selection_changed = 1;
else
e_editable_selection_pos_set(editable,
e_editable_cursor_pos_get(editable));
}
/* Move the cursor/selection to the end of the entry */
else if ((strcmp(event->keyname, "End") == 0) ||
((evas_key_modifier_is_set(event->modifiers, "Control")) &&
(strcmp(event->key, "e") == 0)))
{
e_editable_cursor_move_to_end(editable);
if (sd->selection_mode)
selection_changed = 1;
else
e_editable_selection_pos_set(editable,
e_editable_cursor_pos_get(editable));
}
/* Delete the previous character */
else if ((sd->enabled) && (strcmp(event->keyname, "BackSpace") == 0))
changed = e_editable_delete(editable, cursor_pos - 1, cursor_pos);
/* Delete the next character */
else if ((sd->enabled) &&
((evas_key_modifier_is_set(event->modifiers, "Control")) &&
(strcmp(event->key, "d") == 0)))
changed = e_editable_delete(editable, cursor_pos, cursor_pos + 1);
/* Delete until end of line */
else if ((sd->enabled) &&
((evas_key_modifier_is_set(event->modifiers, "Control")) &&
(strcmp(event->key, "k") == 0)))
changed = e_editable_delete(editable, cursor_pos,
e_editable_text_length_get(editable));
/* Toggle the selection mode */
else if ((evas_key_modifier_is_set(event->modifiers, "Control")) &&
(strcmp(event->key, "space") == 0))
{
if (sd->selection_mode)
{
e_editable_selection_pos_set(editable, cursor_pos);
sd->selection_mode = 0;
}
else
sd->selection_mode = 1;
}
/* Cut/Copy */
else if ((evas_key_modifier_is_set(event->modifiers, "Control") ||
evas_key_modifier_is_set(event->modifiers, "Shift")) &&
(strcmp(event->key, "w") == 0))
{
if (!e_editable_password_get(editable) && selecting)
{
range = e_editable_text_range_get(editable, start_pos, end_pos);
if (range)
{
if ((win = e_win_evas_object_win_get(entry)))
ecore_x_selection_clipboard_set(win->evas_win,
range,
strlen(range) + 1);
free(range);
}
if ((sd->enabled) && (evas_key_modifier_is_set(event->modifiers, "Control")))
{
changed = e_editable_delete(editable, start_pos, end_pos);
sd->selection_mode = 0;
}
}
}
/* Paste */
else if ((sd->enabled) &&
((evas_key_modifier_is_set(event->modifiers, "Control")) &&
(strcmp(event->key, "y") == 0)))
{
if ((win = e_win_evas_object_win_get(entry)))
ecore_x_selection_clipboard_request(win->evas_win,
ECORE_X_SELECTION_TARGET_UTF8_STRING);
}
/* Otherwise, we insert the corresponding character */
else if ((event->string) &&
((strlen(event->string) != 1) ||
(event->string[0] >= 0x20 && event->string[0] != 0x7f)))
changed = e_editable_insert(editable, cursor_pos, event->string);
#ifdef HAVE_ECORE_IMF
if (sd->imf_context)
{
ecore_imf_context_reset(sd->imf_context);
ecore_imf_context_cursor_position_set(sd->imf_context,
e_editable_cursor_pos_get(editable));
}
#endif
if (changed)
evas_object_smart_callback_call(entry, "changed", NULL);
if (selection_changed)
_e_entry_x_selection_update(entry);
}
/* Editable object's smart methods */
static void
_e_entry_smart_add(Evas_Object *object)
{
Evas *evas;
E_Entry_Smart_Data *sd;
Evas_Object *o;
int cw, ch;
const char *ctx_id;
#ifdef HAVE_ECORE_IMF
const Ecore_IMF_Context_Info *ctx_info;
#endif
if ((!object) || !(evas = evas_object_evas_get(object)))
return;
sd = malloc(sizeof(E_Entry_Smart_Data));
if (!sd) return;
evas_object_smart_data_set(object, sd);
#ifdef HAVE_ECORE_IMF
ctx_id = ecore_imf_context_default_id_get();
if (ctx_id)
{
ctx_info = ecore_imf_context_info_by_id_get(ctx_id);
if (!ctx_info->canvas_type ||
strcmp(ctx_info->canvas_type, "evas") == 0)
sd->imf_context = ecore_imf_context_add(ctx_id);
else
{
ctx_id = ecore_imf_context_default_id_by_canvas_type_get("evas");
if (ctx_id)
sd->imf_context = ecore_imf_context_add(ctx_id);
else
sd->imf_context = NULL;
}
}
else
sd->imf_context = NULL;
if (sd->imf_context)
{
ecore_imf_context_client_window_set(sd->imf_context,
ecore_evas_window_get(ecore_evas_ecore_evas_get(evas)));
ecore_imf_context_client_canvas_set(sd->imf_context, evas);
ecore_imf_context_retrieve_surrounding_callback_set(sd->imf_context,
_e_entry_cb_imf_retrieve_surrounding,
sd);
sd->imf_ee_commit_handler = ecore_event_handler_add(ECORE_IMF_EVENT_COMMIT,
_e_entry_cb_imf_event_commit,
object);
sd->imf_ee_delete_handler = ecore_event_handler_add(ECORE_IMF_EVENT_DELETE_SURROUNDING,
_e_entry_cb_imf_event_delete_surrounding,
sd);
}
#endif
sd->enabled = 1;
sd->focused = 0;
sd->selection_dragging = 0;
sd->selection_mode = 0;
sd->valign = 0.5;
o = edje_object_add(evas);
sd->entry_object = o;
e_theme_edje_object_set(o, "base/theme/widgets", "e/widgets/entry");
evas_object_smart_member_add(o, object);
o = e_editable_add(evas);
sd->editable_object = o;
e_editable_theme_set(o, "base/theme/widgets", "e/widgets/entry");
e_editable_cursor_hide(o);
e_editable_char_size_get(o, &cw, &ch);
edje_extern_object_min_size_set(o, cw, ch);
edje_object_part_swallow(sd->entry_object, "e.swallow.text", o);
edje_object_size_min_calc(sd->entry_object, &sd->min_width, &sd->height);
evas_object_show(o);
evas_object_event_callback_add(object, EVAS_CALLBACK_KEY_DOWN,
_e_entry_key_down_cb, NULL);
evas_object_event_callback_add(object, EVAS_CALLBACK_KEY_UP,
_e_entry_key_up_cb, NULL);
evas_object_event_callback_add(object, EVAS_CALLBACK_MOUSE_DOWN,
_e_entry_mouse_down_cb, NULL);
evas_object_event_callback_add(object, EVAS_CALLBACK_MOUSE_UP,
_e_entry_mouse_up_cb, NULL);
evas_object_event_callback_add(object, EVAS_CALLBACK_MOUSE_MOVE,
_e_entry_mouse_move_cb, NULL);
sd->selection_handler = ecore_event_handler_add(
ECORE_X_EVENT_SELECTION_NOTIFY,
_e_entry_x_selection_notify_handler,
object);
}
static void
_e_entry_smart_del(Evas_Object *object)
{
E_Entry_Smart_Data *sd;
if ((!object) || !(sd = evas_object_smart_data_get(object)))
return;
#ifdef HAVE_ECORE_IMF
if (sd->imf_context)
{
ecore_event_handler_del(sd->imf_ee_commit_handler);
ecore_event_handler_del(sd->imf_ee_delete_handler);
ecore_imf_context_del(sd->imf_context);
}
#endif
evas_object_event_callback_del(object, EVAS_CALLBACK_KEY_DOWN,
_e_entry_key_down_cb);
evas_object_event_callback_del(object, EVAS_CALLBACK_KEY_UP,
_e_entry_key_up_cb);
evas_object_event_callback_del(object, EVAS_CALLBACK_MOUSE_DOWN,
_e_entry_mouse_down_cb);
evas_object_event_callback_del(object, EVAS_CALLBACK_MOUSE_UP,
_e_entry_mouse_up_cb);
evas_object_event_callback_del(object, EVAS_CALLBACK_MOUSE_MOVE,
_e_entry_mouse_move_cb);
ecore_event_handler_del(sd->selection_handler);
evas_object_del(sd->editable_object);
evas_object_del(sd->entry_object);
free(sd);
}
static void
_e_entry_smart_move(Evas_Object *object, Evas_Coord x, Evas_Coord y)
{
E_Entry_Smart_Data *sd;
Evas_Coord prev_x, prev_y;
Evas_Coord ox, oy;
if ((!object) || !(sd = evas_object_smart_data_get(object)))
return;
evas_object_geometry_get(object, &prev_x, &prev_y, NULL, NULL);
evas_object_geometry_get(sd->entry_object, &ox, &oy, NULL, NULL);
evas_object_move(sd->entry_object, ox + (x - prev_x), oy + (y - prev_y));
}
static void
_e_entry_smart_resize(Evas_Object *object, Evas_Coord w, Evas_Coord h)
{
E_Entry_Smart_Data *sd;
Evas_Coord x, y;
if ((!object) || !(sd = evas_object_smart_data_get(object)))
return;
evas_object_geometry_get(object, &x, &y, NULL, NULL);
evas_object_move(sd->entry_object, x, y + ((h - sd->height) * sd->valign));
evas_object_resize(sd->entry_object, w, sd->height);
}
static void
_e_entry_smart_show(Evas_Object *object)
{
E_Entry_Smart_Data *sd;
if ((!object) || !(sd = evas_object_smart_data_get(object)))
return;
evas_object_show(sd->entry_object);
}
static void
_e_entry_smart_hide(Evas_Object *object)
{
E_Entry_Smart_Data *sd;
if ((!object) || !(sd = evas_object_smart_data_get(object)))
return;
evas_object_hide(sd->entry_object);
}
static void
_e_entry_color_set(Evas_Object *object, int r, int g, int b, int a)
{
E_Entry_Smart_Data *sd;
if ((!object) || !(sd = evas_object_smart_data_get(object)))
return;
evas_object_color_set(sd->entry_object, r, g, b, a);
}
static void
_e_entry_clip_set(Evas_Object *object, Evas_Object *clip)
{
E_Entry_Smart_Data *sd;
if ((!object) || !(sd = evas_object_smart_data_get(object)))
return;
evas_object_clip_set(sd->entry_object, clip);
}
static void
_e_entry_clip_unset(Evas_Object *object)
{
E_Entry_Smart_Data *sd;
if ((!object) || !(sd = evas_object_smart_data_get(object)))
return;
evas_object_clip_unset(sd->entry_object);
}
static void
_e_entry_cb_menu_post(void *data, E_Menu *m)
{
E_Entry_Smart_Data *sd;
sd = data;
if (!sd->popup) return;
e_object_del(E_OBJECT(sd->popup));
sd->popup = NULL;
}
static void
_e_entry_cb_cut(void *data, E_Menu *m, E_Menu_Item *mi)
{
E_Entry_Smart_Data *sd;
Evas_Object *editable;
int cursor_pos, selection_pos;
int start_pos, end_pos;
int selecting, changed;
char *range;
E_Win *win;
sd = data;
if (!sd->enabled) return;
editable = sd->editable_object;
cursor_pos = e_editable_cursor_pos_get(editable);
selection_pos = e_editable_selection_pos_get(editable);
start_pos = (cursor_pos <= selection_pos) ? cursor_pos : selection_pos;
end_pos = (cursor_pos >= selection_pos) ? cursor_pos : selection_pos;
selecting = (start_pos != end_pos);
if (!selecting) return;
range = e_editable_text_range_get(editable, start_pos, end_pos);
if (range)
{
if ((win = e_win_evas_object_win_get(sd->entry_object)))
ecore_x_selection_clipboard_set(win->evas_win,
range, strlen(range) + 1);
free(range);
}
changed = e_editable_delete(editable, start_pos, end_pos);
if (changed)
evas_object_smart_callback_call(sd->entry_object, "changed", NULL);
}
static void
_e_entry_cb_copy(void *data, E_Menu *m, E_Menu_Item *mi)
{
E_Entry_Smart_Data *sd;
Evas_Object *editable;
int cursor_pos, selection_pos;
int start_pos, end_pos;
int selecting;
char *range;
E_Win *win;
sd = data;
editable = sd->editable_object;
cursor_pos = e_editable_cursor_pos_get(editable);
selection_pos = e_editable_selection_pos_get(editable);
start_pos = (cursor_pos <= selection_pos) ? cursor_pos : selection_pos;
end_pos = (cursor_pos >= selection_pos) ? cursor_pos : selection_pos;
selecting = (start_pos != end_pos);
if (!selecting) return;
range = e_editable_text_range_get(editable, start_pos, end_pos);
if (range)
{
if ((win = e_win_evas_object_win_get(sd->entry_object)))
ecore_x_selection_clipboard_set(win->evas_win,
range, strlen(range) + 1);
free(range);
}
}
static void
_e_entry_cb_paste(void *data, E_Menu *m, E_Menu_Item *mi)
{
E_Entry_Smart_Data *sd;
E_Win *win;
sd = data;
if (!sd->enabled) return;
if ((win = e_win_evas_object_win_get(sd->entry_object)))
ecore_x_selection_clipboard_request(win->evas_win,
ECORE_X_SELECTION_TARGET_UTF8_STRING);
}
static void
_e_entry_cb_select_all(void *data, E_Menu *m, E_Menu_Item *mi)
{
E_Entry_Smart_Data *sd;
sd = data;
e_editable_select_all(sd->editable_object);
_e_entry_x_selection_update(sd->entry_object);
}
static void
_e_entry_cb_delete(void *data, E_Menu *m, E_Menu_Item *mi)
{
E_Entry_Smart_Data *sd;
Evas_Object *editable;
int cursor_pos, selection_pos;
int start_pos, end_pos;
int selecting;
char *range;
sd = data;
if (!sd->enabled) return;
editable = sd->editable_object;
cursor_pos = e_editable_cursor_pos_get(editable);
selection_pos = e_editable_selection_pos_get(editable);
start_pos = (cursor_pos <= selection_pos) ? cursor_pos : selection_pos;
end_pos = (cursor_pos >= selection_pos) ? cursor_pos : selection_pos;
selecting = (start_pos != end_pos);
if (!selecting) return;
range = e_editable_text_range_get(editable, start_pos, end_pos);
if (range)
{
e_editable_delete(editable, start_pos, end_pos);
evas_object_smart_callback_call(sd->entry_object, "changed", NULL);
free(range);
}
}
#ifdef HAVE_ECORE_IMF
static int
_e_entry_cb_imf_retrieve_surrounding(void *data, Ecore_IMF_Context *ctx, char **text, int *cursor_pos)
{
E_Entry_Smart_Data *sd;
sd = data;
if (text)
{
const char *str;
str = e_editable_text_get(sd->editable_object);
*text = str ? strdup(str) : strdup("");
}
if (cursor_pos)
*cursor_pos = e_editable_cursor_pos_get(sd->editable_object);
return 1;
}
static int
_e_entry_cb_imf_event_commit(void *data, int type, void *event)
{
Evas_Object *entry;
E_Entry_Smart_Data *sd;
Ecore_IMF_Event_Commit *ev = event;
Evas_Object *editable;
int cursor_pos, selection_pos;
int start_pos, end_pos;
int selecting;
int changed = 0;
if ((!(entry = data)) || (!(sd = evas_object_smart_data_get(entry))))
return 1;
if (sd->imf_context != ev->ctx)
return 1;
editable = sd->editable_object;
cursor_pos = e_editable_cursor_pos_get(editable);
selection_pos = e_editable_selection_pos_get(editable);
start_pos = (cursor_pos <= selection_pos) ? cursor_pos : selection_pos;
end_pos = (cursor_pos >= selection_pos) ? cursor_pos : selection_pos;
selecting = (start_pos != end_pos);
if (selecting)
changed |= e_editable_delete(editable, start_pos, end_pos);
changed |= e_editable_insert(editable, start_pos, ev->str);
if (changed)
evas_object_smart_callback_call(entry, "changed", NULL);
return 0;
}
static int
_e_entry_cb_imf_event_delete_surrounding(void *data, int type, void *event)
{
E_Entry_Smart_Data *sd;
Ecore_IMF_Event_Delete_Surrounding *ev = event;
Evas_Object *editable;
int cursor_pos;
sd = data;
if (sd->imf_context != ev->ctx)
return 1;
editable = sd->editable_object;
cursor_pos = e_editable_cursor_pos_get(editable);
e_editable_delete(editable,
cursor_pos + ev->offset,
cursor_pos + ev->offset + ev->n_chars);
return 0;
}
#endif
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