libergtk/include/erGtkEntry.h File Reference

ereader gtk library - GtkEntry object adapted for ereader system More...

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Classes
struct	_erGtkEntry
struct	_erGtkEntryClass
Defines
#define	ERGTK_ENTRY_DEFAULT_WIDTH   150
#define	ERGTK_ENTRY_DEFAULT_HEIGHT   30
#define	ERGTK_ENTRY_TYPE   (ergtk_entry_get_type())
#define	ERGTK_ENTRY(obj)   (G_TYPE_CHECK_INSTANCE_CAST((obj), ERGTK_ENTRY_TYPE, erGtkEntry))
#define	ERGTK_IS_ENTRY(obj)   (G_TYPE_CHECK_INSTANCE_TYPE((obj), ERGTK_ENTRY_TYPE))
#define	ERGTK_ENTRY_CLASS(klass)   (G_TYPE_CHECK_CLASS_CAST((klass), ERGTK_ENTRY_TYPE, erGtkEntryClass))
#define	ERGTK_ENTRY_GET_CLASS(obj)   (G_TYPE_INSTANCE_GET_CLASS((obj), ERGTK_ENTRY_TYPE, erGtkEntryClass))
#define	ERGTK_IS_ENTRY_CLASS(klass)   (G_TYPE_CHECK_CLASS_TYPE((klass), ERGTK_ENTRY_TYPE))
#define	gtk_entry_set_text(entry, text)
Typedefs
typedef struct _erGtkEntry	erGtkEntry
typedef struct _erGtkEntryClass	erGtkEntryClass
Enumerations
enum	entryFilter_e { ipAddress_e = 0, integer_e, string_e }
Functions
GtkWidget *	ergtk_entry_new ()
GType	ergtk_entry_get_type (void)
void	ergtk_entry_set_text (erGtkEntry *er_entry, const gchar *text)
void	ergtk_entry_set_ipv4_filter (erGtkEntry *er_entry)
void	ergtk_entry_set_integer_filter (erGtkEntry *er_entry)
gboolean	ergtk_entry_check_field (erGtkEntry *er_entry)

---

Detailed Description

ereader gtk library - GtkEntry object adapted for ereader system

Emits signal "changed-stable" shortly after the latest change of the entry text. Emits signal "screen-refresh" when a screen refresh is needed for the entry object.

Copyright (C) 2007 iRex Technologies B.V. All rights reserved.

Definition in file erGtkEntry.h.

---

Define Documentation

#define ERGTK_ENTRY

(

obj

)

(G_TYPE_CHECK_INSTANCE_CAST((obj), ERGTK_ENTRY_TYPE, erGtkEntry))

Definition at line 40 of file erGtkEntry.h.

#define ERGTK_ENTRY_CLASS

(

klass

)

(G_TYPE_CHECK_CLASS_CAST((klass), ERGTK_ENTRY_TYPE, erGtkEntryClass))

Definition at line 43 of file erGtkEntry.h.

#define ERGTK_ENTRY_DEFAULT_HEIGHT   30

Definition at line 37 of file erGtkEntry.h.

#define ERGTK_ENTRY_DEFAULT_WIDTH   150

Definition at line 36 of file erGtkEntry.h.

#define ERGTK_ENTRY_GET_CLASS

(

obj

)

(G_TYPE_INSTANCE_GET_CLASS((obj), ERGTK_ENTRY_TYPE, erGtkEntryClass))

Definition at line 44 of file erGtkEntry.h.

#define ERGTK_ENTRY_TYPE   (ergtk_entry_get_type())

Definition at line 39 of file erGtkEntry.h.

#define ERGTK_IS_ENTRY

(

obj

)

(G_TYPE_CHECK_INSTANCE_TYPE((obj), ERGTK_ENTRY_TYPE))

Definition at line 41 of file erGtkEntry.h.

#define ERGTK_IS_ENTRY_CLASS

(

klass

)

(G_TYPE_CHECK_CLASS_TYPE((klass), ERGTK_ENTRY_TYPE))

Definition at line 45 of file erGtkEntry.h.

#define gtk_entry_set_text	(	entry,
		text		)

Value:

if ( ERGTK_IS_ENTRY(entry) )                                \
        ergtk_entry_set_text( (erGtkEntry*)(entry), (text) );   \
    else                                                        \
        gtk_entry_set_text( (entry), (text) );

Definition at line 49 of file erGtkEntry.h.

---

Typedef Documentation

typedef struct _erGtkEntry erGtkEntry

Definition at line 62 of file erGtkEntry.h.

typedef struct _erGtkEntryClass erGtkEntryClass

Definition at line 63 of file erGtkEntry.h.

---

Enumeration Type Documentation

enum entryFilter_e

Enumerator:

ipAddress_e
integer_e
string_e

Definition at line 55 of file erGtkEntry.h.

{
    ipAddress_e = 0,
    integer_e,
    string_e
}entryFilter_e;

---

Function Documentation

gboolean ergtk_entry_check_field

(

erGtkEntry *

er_entry

)

Definition at line 103 of file erGtkEntry.c.

{
    GtkEntry    *entry;
    const gchar *text;
    gint         i, len, ret;
    gboolean     valid = FALSE;

    g_return_val_if_fail(ERGTK_IS_ENTRY(er_entry), FALSE);

    entry = GTK_ENTRY(er_entry);
    text = gtk_entry_get_text(entry);
    if (text && (text[0] != '\0'))
    {
        switch (er_entry->filter)
        {
            case ipAddress_e:
                ret = ipv4_filter_check_address(text);
                if (ret == ipv4Complete_e)
                {
                    valid = TRUE;
                }
                break;

            case integer_e:
                valid = TRUE;
                len = strlen(text);
                for (i = 0; i < len; i++)
                {
                    if (!isdigit(text[i]))
                    {
                        valid = FALSE;
                        break;
                    }
                }
                break;
            case string_e:
            default:
                valid = TRUE;
                break;
        }
    }

    LOGPRINTF("return %d", valid);
    return valid;
}

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GType ergtk_entry_get_type

(

void

)

get type of erGtkEntry widget

Returns:

type

Definition at line 149 of file erGtkEntry.c.

{
    static GType class_type = 0;

    if (class_type == 0)
    {
        static const GTypeInfo class_info =
        {
            sizeof(erGtkEntryClass),
            NULL,               /* base_init */
            NULL,               /* base_finalize */
            (GClassInitFunc) ergtk_entry_class_init,
            NULL,               /* class_finalize */
            NULL,               /* class_data */
            sizeof(erGtkEntry),
            0,                  /* n_preallocs */
            (GInstanceInitFunc) ergtk_entry_init,
        };
        class_type = g_type_register_static(GTK_TYPE_ENTRY, "erGtkEntry", &class_info, 0);

        static const GInterfaceInfo editable_info =
        {
            (GInterfaceInitFunc)ergtk_entry_editable_init, /* interface_init */
            NULL, /* interface_finalize */
            NULL  /* interface_data */
        };
        g_type_add_interface_static(class_type, GTK_TYPE_EDITABLE, &editable_info);
    }

    return class_type;
}

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GtkWidget* ergtk_entry_new

(

)

creates a new erGtkEntry widget

Parameters:

-

Returns:

reference to created widget

Definition at line 80 of file erGtkEntry.c.

{
    erGtkEntry* item = (erGtkEntry*) g_object_new(ERGTK_ENTRY_TYPE, NULL);

    return GTK_WIDGET(item);
}

void ergtk_entry_set_integer_filter

(

erGtkEntry *

er_entry

)

Definition at line 95 of file erGtkEntry.c.

{
    g_return_if_fail(ERGTK_IS_ENTRY(er_entry));

    er_entry->filter = integer_e;
    integer_filter_init(GTK_ENTRY(er_entry));
}

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void ergtk_entry_set_ipv4_filter

(

erGtkEntry *

er_entry

)

Definition at line 87 of file erGtkEntry.c.

{
    g_return_if_fail(ERGTK_IS_ENTRY(er_entry));

    er_entry->filter = ipAddress_e;
    ipv4_filter_init(GTK_ENTRY(er_entry));
}

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void ergtk_entry_set_text	(	erGtkEntry *	er_entry,
		const gchar *	text
	)

set the user input text

Parameters:

	er_entry	the erGtkEntry widget
	text	the user input text

Returns:

- the user input text

Definition at line 263 of file erGtkEntry.c.

{
    g_return_if_fail(ERGTK_IS_ENTRY(er_entry));

    erGtkEntryClass* klass = ERGTK_ENTRY_GET_CLASS(er_entry);

    // chain to real method, which may be overloaded
    if (klass->set_text)
    {
        klass->set_text(er_entry, text);
    }
}