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added history and completion. This will need more work.

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2007-02-08  Sven Neumann  <sven@gimp.org>

	* libgimpwidgets/gimpratioentry.[ch]: added history and 
completion.
	This will need more work.


svn path=/trunk/; revision=21865
This commit is contained in:
Sven Neumann 2007-02-08 06:43:20 +00:00 committed by Sven Neumann
parent be3165f47b
commit 50a39fb96e
3 changed files with 125 additions and 15 deletions
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5
ChangeLog
View file

@ -1,3 +1,8 @@
2007-02-08 Sven Neumann <sven@gimp.org>
* libgimpwidgets/gimpratioentry.[ch]: added history and completion.
This will need more work.
2007-02-07 Sven Neumann <sven@gimp.org>
* README: eliminated another redundant article.

133
libgimpwidgets/gimpratioentry.c
View file

@ -48,20 +48,39 @@ enum
PROP_DENOMINATOR,
};
enum
{
COLUMN_NUMERATOR,
COLUMN_DENOMINATOR,
COLUMN_TEXT,
NUM_COLUMNS
};
static void gimp_ratio_entry_set_property (GObject *object,
guint property_id,
const GValue *value,
GParamSpec *pspec);
static void gimp_ratio_entry_get_property (GObject *object,
guint property_id,
GValue *value,
GParamSpec *pspec);
static gboolean gimp_ratio_entry_events (GtkWidget *widget,
GdkEvent *event);
static void gimp_ratio_entry_format_text (GimpRatioEntry *entry);
static void gimp_ratio_entry_parse_text (GimpRatioEntry *entry,
const gchar *text);
static gboolean gimp_ratio_entry_history_select (GtkEntryCompletion *completion,
GtkTreeModel *model,
GtkTreeIter *iter,
GimpRatioEntry *entry);
static void gimp_ratio_entry_history_add (GimpRatioEntry *entry,
gdouble numerator,
gdouble denominator,
const gchar *text);
static void gimp_ratio_entry_set_property (GObject *object,
guint property_id,
const GValue *value,
GParamSpec *pspec);
static void gimp_ratio_entry_get_property (GObject *object,
guint property_id,
GValue *value,
GParamSpec *pspec);
static gboolean gimp_ratio_entry_events (GtkWidget *widget,
GdkEvent *event);
static void gimp_ratio_entry_format_text (GimpRatioEntry *entry);
static void gimp_ratio_entry_parse_text (GimpRatioEntry *entry,
const gchar *text);
G_DEFINE_TYPE (GimpRatioEntry, gimp_ratio_entry, GTK_TYPE_ENTRY)
@ -107,6 +126,10 @@ gimp_ratio_entry_class_init (GimpRatioEntryClass *klass)
G_MINDOUBLE, G_MAXDOUBLE,
1.0,
GIMP_PARAM_READWRITE));
klass->history = gtk_list_store_new (NUM_COLUMNS,
G_TYPE_DOUBLE, G_TYPE_DOUBLE,
G_TYPE_STRING);
}
static void
@ -157,10 +180,11 @@ gimp_ratio_entry_get_property (GObject *object,
}
}
static void
gimp_ratio_entry_init (GimpRatioEntry *entry)
{
GtkEntryCompletion *completion;
entry->numerator = 1;
entry->denominator = 1;
@ -172,6 +196,18 @@ gimp_ratio_entry_init (GimpRatioEntry *entry)
g_signal_connect (entry, "key-press-event",
G_CALLBACK (gimp_ratio_entry_events),
NULL);
completion = g_object_new (GTK_TYPE_ENTRY_COMPLETION,
"model",
GIMP_RATIO_ENTRY_GET_CLASS (entry)->history,
NULL);
gtk_entry_completion_set_text_column (completion, COLUMN_TEXT);
gtk_entry_set_completion (GTK_ENTRY (entry), completion);
g_object_unref (completion);
g_signal_connect (completion, "match-selected",
G_CALLBACK (gimp_ratio_entry_history_select),
entry);
}
/**
@ -362,11 +398,14 @@ gimp_ratio_entry_events (GtkWidget *widget,
static void
gimp_ratio_entry_format_text (GimpRatioEntry *entry)
{
gchar *buffer;
gchar *buffer;
buffer = g_strdup_printf ("%g:%g", entry->numerator, entry->denominator);
gtk_entry_set_text (GTK_ENTRY (entry), buffer);
gimp_ratio_entry_history_add (entry,
entry->numerator, entry->denominator, buffer);
g_free (buffer);
}
@ -424,3 +463,67 @@ gimp_ratio_entry_parse_text (GimpRatioEntry *entry,
gtk_editable_set_position (GTK_EDITABLE (entry), -1);
}
static gboolean
gimp_ratio_entry_history_select (GtkEntryCompletion *completion,
GtkTreeModel *model,
GtkTreeIter *iter,
GimpRatioEntry *entry)
{
gdouble numerator;
gdouble denominator;
gtk_tree_model_get (model, iter,
COLUMN_NUMERATOR, &numerator,
COLUMN_DENOMINATOR, &denominator,
-1);
gimp_ratio_entry_set_fraction (entry, numerator, denominator);
return TRUE;
}
static void
gimp_ratio_entry_history_add (GimpRatioEntry *entry,
gdouble numerator,
gdouble denominator,
const gchar *text)
{
GimpRatioEntryClass *klass = GIMP_RATIO_ENTRY_GET_CLASS (entry);
GtkTreeModel *model = GTK_TREE_MODEL (klass->history);
GValue value = { 0, };
GtkTreeIter iter;
gboolean iter_valid;
for (iter_valid = gtk_tree_model_get_iter_first (model, &iter);
iter_valid;
iter_valid = gtk_tree_model_iter_next (model, &iter))
{
gtk_tree_model_get_value (model, &iter, COLUMN_TEXT, &value);
if (strcmp (text, g_value_get_string (&value)) == 0)
{
g_value_unset (&value);
break;
}
g_value_unset (&value);
}
if (iter_valid)
{
gtk_list_store_move_after (GTK_LIST_STORE (model), &iter, NULL);
}
else
{
gtk_list_store_append (GTK_LIST_STORE (model), &iter);
gtk_list_store_set (GTK_LIST_STORE (model), &iter,
COLUMN_NUMERATOR, numerator,
COLUMN_DENOMINATOR, denominator,
COLUMN_TEXT, text,
-1);
/* FIXME: limit the size of the history */
}
}

2
libgimpwidgets/gimpratioentry.h
View file

@ -48,6 +48,8 @@ struct _GimpRatioEntryClass
{
GtkEntryClass parent_class;
GtkListStore *history;
void (* ratio_changed) (GimpRatioEntry *entry);
/* Padding for future expansion */