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Added a function to deal with ClutterKeyEvents. Handles the majority

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of entry-related keyboard keys. However modifiers still need to be
        implemented.
This commit is contained in:
Neil J. Patel 2007-06-01 11:34:40 +00:00
parent 4d0cfed2dc
commit ac530eed12
8 changed files with 133 additions and 60 deletions
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11
ChangeLog
View File

@ -1,3 +1,14 @@
2007-06-01 Neil J. Patel <njp@o-hand.com>
* clutter/clutter-effect.h:
* clutter/clutter-entry.c: (clutter_entry_handle_key_event),
(clutter_entry_add):
* clutter/clutter-entry.h:
* examples/test-entry.c: (on_key_release_cb):
Added a function to deal with ClutterKeyEvents. Handles the majority
of entry-related keyboard keys. However modifiers still need to be
implemented.
2007-06-01 Tomas Frydrych <tf@openedhand.com>
* clutter/clutter-stage.c:

15
clutter/clutter-effect.h
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@ -58,13 +58,16 @@ typedef void (*ClutterEffectCompleteFunc) (ClutterActor *actor,
(G_TYPE_INSTANCE_GET_CLASS ((obj), \
CLUTTER_TYPE_EFFECT_TEMPLATE, ClutterEffectTemplateClass))
typedef struct {
GObject parent;
} ClutterEffectTemplate;
typedef struct _ClutterEffectTemplate ClutterEffectTemplate;
typedef struct _ClutterEffectTemplateClass ClutterEffectTemplateClass;
typedef struct {
struct _ClutterEffectTemplate{
GObject parent;
};
struct _ClutterEffectTemplateClass{
GObjectClass parent_class;
} ClutterEffectTemplateClass;
};
GType clutter_effect_template_get_type (void);
@ -101,5 +104,3 @@ G_END_DECLS
#endif /* _CLUTTER_EFFECT */
G_END_DECLS

101
clutter/clutter-entry.c
View File

@ -26,21 +26,22 @@
/**
* SECTION:clutter-entry
* @short_description: Actor for displaying text
* @short_description: A single line text entry actor
*
* #ClutterEntry is a #ClutterTexture that displays text.
* #ClutterEntry is a #ClutterTexture that allows single line text entry
*/
#include "config.h"
#include "clutter-entry.h"
#include "clutter-main.h"
#include "clutter-enum-types.h"
#include "clutter-private.h"
#include "clutter-debug.h"
#include "clutter-units.h"
#include "clutter-rectangle.h"
#include "clutter-debug.h"
#include "clutter-enum-types.h"
#include "clutter-keysyms.h"
#include "clutter-main.h"
#include "clutter-private.h"
#include "clutter-rectangle.h"
#include "clutter-units.h"
#include "pangoclutter.h"
#define DEFAULT_FONT_NAME "Sans 10"
@ -821,6 +822,88 @@ clutter_entry_get_position (ClutterEntry *entry)
return priv->position;
}
/**
* clutter_entry_handle_key_event:
* @entry: a #ClutterEntry
* @kev: a #ClutterKeyEvent
*
* This function will handle a #ClutterKeyEvent, like those returned in a
* key-press/release-event, and will translate it for the @entry. This includes
* non-alphanumeric keys, such as the arrows keys, which will move the
* input cursor.
*
**/
void
clutter_entry_handle_key_event (ClutterEntry *entry, ClutterKeyEvent *kev)
{
ClutterEntryPrivate *priv;
gint pos = 0;
gint len = 0;
gint keyval = clutter_key_event_symbol (kev);
g_return_if_fail (CLUTTER_IS_ENTRY (entry));
priv = entry->priv;
pos = priv->position;
if (priv->text)
len = g_utf8_strlen (priv->text, -1);
switch (keyval)
{
case CLUTTER_Return:
case CLUTTER_KP_Enter:
case CLUTTER_ISO_Enter:
case CLUTTER_Escape:
case CLUTTER_Shift_L:
case CLUTTER_Shift_R:
break;
case CLUTTER_BackSpace:
if (pos != 0 && len != 0)
clutter_entry_remove (entry, 1);
break;
case CLUTTER_Delete:
case CLUTTER_KP_Delete:
if (len && pos != -1)
{
clutter_entry_delete_text (entry, pos, pos+1);;
}
break;
case CLUTTER_Left:
case CLUTTER_KP_Left:
if (pos != 0 && len != 0)
{
if (pos == -1)
{
clutter_entry_set_position (entry, len-1);
}
else
clutter_entry_set_position (entry, pos - 1);
}
break;
case CLUTTER_Right:
case CLUTTER_KP_Right:
if (pos != -1 && len != 0)
{
if (pos != len)
clutter_entry_set_position (entry, pos +1);
}
break;
case CLUTTER_End:
case CLUTTER_KP_End:
clutter_entry_set_position (entry, -1);
break;
case CLUTTER_Begin:
case CLUTTER_Home:
case CLUTTER_KP_Home:
clutter_entry_set_position (entry, 0);
break;
default:
clutter_entry_add (entry, clutter_keysym_to_unicode (keyval));
break;
}
}
/**
* clutter_entry_add:
* @entry: a #ClutterEntry
@ -848,7 +931,7 @@ clutter_entry_add (ClutterEntry *entry, gunichar wc)
clutter_entry_set_text (entry, new->str);
if (priv->position > 0)
if (priv->position >= 0)
clutter_entry_set_position (entry, priv->position + 1);
g_string_free (new, TRUE);

3
clutter/clutter-entry.h
View File

@ -29,6 +29,7 @@
#include <clutter/clutter-actor.h>
#include <clutter/clutter-color.h>
#include <clutter/clutter-event.h>
#include <pango/pango.h>
@ -106,6 +107,8 @@ PangoAlignment clutter_entry_get_alignment (ClutterEntry *entr
void clutter_entry_set_position (ClutterEntry *entry,
gint position);
gint clutter_entry_get_position (ClutterEntry *entry);
void clutter_entry_handle_key_event (ClutterEntry *entry,
ClutterKeyEvent *kev);
void clutter_entry_add (ClutterEntry *entry,
gunichar wc);
void clutter_entry_remove (ClutterEntry *entry,

6
doc/reference/ChangeLog
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@ -1,3 +1,9 @@
2007-06-01 Neil J. Patel <njp@o-hand.com>
* clutter-sections.txt:
* tmpl/clutter-entry.sgml:
Updated for new functions.
2007-06-01 Tomas Frydrych <tf@openedhand.com>
* tmpl/clutter-alpha.sgml:

1
doc/reference/clutter-sections.txt
View File

@ -776,6 +776,7 @@ clutter_entry_set_alignment
clutter_entry_get_alignment
clutter_entry_set_position
clutter_entry_get_position
clutter_entry_handle_key_event
clutter_entry_add
clutter_entry_remove
clutter_entry_insert_text

9
doc/reference/tmpl/clutter-entry.sgml
View File

@ -158,6 +158,15 @@ ClutterEntry
@Returns:
<!-- ##### FUNCTION clutter_entry_handle_key_event ##### -->
<para>
</para>
@entry:
@kev:
<!-- ##### FUNCTION clutter_entry_add ##### -->
<para>

49
examples/test-entry.c
View File

@ -3,52 +3,11 @@
void
on_key_release_cb (ClutterStage *stage, ClutterEvent *event, ClutterEntry *entry)
{
if (event->type == CLUTTER_KEY_RELEASE) {
if (event->type == CLUTTER_KEY_RELEASE)
{
ClutterKeyEvent* kev = (ClutterKeyEvent *) event;
guint key = clutter_key_event_symbol (kev);
gint pos = clutter_entry_get_position (entry);
gint len = g_utf8_strlen (clutter_entry_get_text (entry), -1);
switch (key)
{
case CLUTTER_Return:
case CLUTTER_KP_Enter:
case CLUTTER_ISO_Enter:
break;
case CLUTTER_Escape:
clutter_main_quit ();
break;
case CLUTTER_BackSpace:
clutter_entry_remove (entry, 1);
break;
case CLUTTER_Left:
if (pos != 0)
{
if (pos == -1)
{
clutter_entry_set_position (entry, len-1);
}
else
clutter_entry_set_position (entry, pos - 1);
}
break;
case CLUTTER_Right:
if (pos != -1)
{
if (pos != len)
clutter_entry_set_position (entry, pos +1);
}
break;
case CLUTTER_Up:
clutter_entry_insert_text (entry, "insert", 5);
break;
case CLUTTER_Down:
clutter_entry_delete_text (entry, 5, 11);
default:
clutter_entry_add (entry, clutter_key_event_unicode (kev));
break;
}
clutter_entry_handle_key_event (entry, kev);
return;
}
}