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Diffstat (limited to 'app/widgets/gimplanguageentry.c')
| -rw-r--r-- | app/widgets/gimplanguageentry.c | 255 |
1 files changed, 255 insertions, 0 deletions
diff --git a/app/widgets/gimplanguageentry.c b/app/widgets/gimplanguageentry.c new file mode 100644 index 0000000..3896518 --- /dev/null +++ b/app/widgets/gimplanguageentry.c @@ -0,0 +1,255 @@ +/* GIMP - The GNU Image Manipulation Program + * Copyright (C) 1995 Spencer Kimball and Peter Mattis + * + * gimplanguageentry.c + * Copyright (C) 2008 Sven Neumann <sven@gimp.org> + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 3 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see <https://www.gnu.org/licenses/>. + */ + +/* GimpLanguageEntry is an entry widget that provides completion on + * translated language names. It is suited for specifying the language + * a text is written in. + */ + +#include "config.h" + +#include <string.h> + +#include <gtk/gtk.h> + +#include "widgets-types.h" + +#include "gimplanguageentry.h" +#include "gimplanguagestore.h" + + +enum +{ + PROP_0, + PROP_MODEL +}; + +struct _GimpLanguageEntry +{ + GtkEntry parent_instance; + + GtkListStore *store; + gchar *code; /* ISO 639-1 language code */ +}; + + +static void gimp_language_entry_constructed (GObject *object); +static void gimp_language_entry_finalize (GObject *object); +static void gimp_language_entry_set_property (GObject *object, + guint property_id, + const GValue *value, + GParamSpec *pspec); +static void gimp_language_entry_get_property (GObject *object, + guint property_id, + GValue *value, + GParamSpec *pspec); + +static gboolean gimp_language_entry_language_selected (GtkEntryCompletion *completion, + GtkTreeModel *model, + GtkTreeIter *iter, + GimpLanguageEntry *entry); + + +G_DEFINE_TYPE (GimpLanguageEntry, gimp_language_entry, GTK_TYPE_ENTRY) + +#define parent_class gimp_language_entry_parent_class + + +static void +gimp_language_entry_class_init (GimpLanguageEntryClass *klass) +{ + GObjectClass *object_class = G_OBJECT_CLASS (klass); + + object_class->constructed = gimp_language_entry_constructed; + object_class->finalize = gimp_language_entry_finalize; + object_class->set_property = gimp_language_entry_set_property; + object_class->get_property = gimp_language_entry_get_property; + + g_object_class_install_property (object_class, PROP_MODEL, + g_param_spec_object ("model", NULL, NULL, + GIMP_TYPE_LANGUAGE_STORE, + G_PARAM_CONSTRUCT_ONLY | + GIMP_PARAM_READWRITE)); +} + +static void +gimp_language_entry_init (GimpLanguageEntry *entry) +{ +} + +static void +gimp_language_entry_constructed (GObject *object) +{ + GimpLanguageEntry *entry = GIMP_LANGUAGE_ENTRY (object); + + G_OBJECT_CLASS (parent_class)->constructed (object); + + if (entry->store) + { + GtkEntryCompletion *completion; + + completion = g_object_new (GTK_TYPE_ENTRY_COMPLETION, + "model", entry->store, + "inline-selection", TRUE, + NULL); + + /* Note that we must use this function to set the text column, + * otherwise we won't get a cell renderer for free. + */ + gtk_entry_completion_set_text_column (completion, + GIMP_LANGUAGE_STORE_LABEL); + + gtk_entry_set_completion (GTK_ENTRY (entry), completion); + g_object_unref (completion); + + g_signal_connect (completion, "match-selected", + G_CALLBACK (gimp_language_entry_language_selected), + entry); + } +} + +static void +gimp_language_entry_finalize (GObject *object) +{ + GimpLanguageEntry *entry = GIMP_LANGUAGE_ENTRY (object); + + g_clear_object (&entry->store); + + g_clear_pointer (&entry->code, g_free); + + G_OBJECT_CLASS (parent_class)->finalize (object); +} + +static void +gimp_language_entry_set_property (GObject *object, + guint property_id, + const GValue *value, + GParamSpec *pspec) +{ + GimpLanguageEntry *entry = GIMP_LANGUAGE_ENTRY (object); + + switch (property_id) + { + case PROP_MODEL: + g_return_if_fail (entry->store == NULL); + entry->store = g_value_dup_object (value); + break; + + default: + G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec); + break; + } +} + +static void +gimp_language_entry_get_property (GObject *object, + guint property_id, + GValue *value, + GParamSpec *pspec) +{ + GimpLanguageEntry *entry = GIMP_LANGUAGE_ENTRY (object); + + switch (property_id) + { + case PROP_MODEL: + g_value_set_object (value, entry->store); + break; + + default: + G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec); + break; + } +} + +static gboolean +gimp_language_entry_language_selected (GtkEntryCompletion *completion, + GtkTreeModel *model, + GtkTreeIter *iter, + GimpLanguageEntry *entry) +{ + g_free (entry->code); + + gtk_tree_model_get (model, iter, + GIMP_LANGUAGE_STORE_CODE, &entry->code, + -1); + + return FALSE; +} + +GtkWidget * +gimp_language_entry_new (void) +{ + GtkWidget *entry; + GtkListStore *store; + + store = gimp_language_store_new (); + + entry = g_object_new (GIMP_TYPE_LANGUAGE_ENTRY, + "model", store, + NULL); + + g_object_unref (store); + + return entry; +} + +const gchar * +gimp_language_entry_get_code (GimpLanguageEntry *entry) +{ + g_return_val_if_fail (GIMP_IS_LANGUAGE_ENTRY (entry), NULL); + + return entry->code; +} + +gboolean +gimp_language_entry_set_code (GimpLanguageEntry *entry, + const gchar *code) +{ + GtkTreeIter iter; + + g_return_val_if_fail (GIMP_IS_LANGUAGE_ENTRY (entry), FALSE); + + g_clear_pointer (&entry->code, g_free); + + if (! code || ! strlen (code)) + { + gtk_entry_set_text (GTK_ENTRY (entry), ""); + + return TRUE; + } + + if (gimp_language_store_lookup (GIMP_LANGUAGE_STORE (entry->store), + code, &iter)) + { + gchar *label; + + gtk_tree_model_get (GTK_TREE_MODEL (entry->store), &iter, + GIMP_LANGUAGE_STORE_LABEL, &label, + GIMP_LANGUAGE_STORE_CODE, &entry->code, + -1); + + gtk_entry_set_text (GTK_ENTRY (entry), label); + g_free (label); + + return TRUE; + } + + return FALSE; +} |