mirror of https://github.com/GNOME/gimp.git
290 lines
8.2 KiB
C
290 lines
8.2 KiB
C
/* LIBGIMP - The GIMP Library
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* Copyright (C) 1995-1997 Peter Mattis and Spencer Kimball
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*
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* gimplabelentry.c
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* Copyright (C) 2022 Jehan
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*
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* This library is free software: you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 3 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library. If not, see
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* <https://www.gnu.org/licenses/>.
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*/
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#include "config.h"
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#include <gegl.h>
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#include <gtk/gtk.h>
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#include "libgimpcolor/gimpcolor.h"
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#include "libgimpmath/gimpmath.h"
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#include "libgimpbase/gimpbase.h"
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#include "gimpwidgets.h"
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/**
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* SECTION: gimplabelentry
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* @title: GimpLabelEntry
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* @short_description: Widget containing an entry and a label.
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*
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* This widget is a subclass of #GimpLabeled with a #GtkEntry.
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**/
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enum
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{
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VALUE_CHANGED,
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LAST_SIGNAL
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};
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enum
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{
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PROP_0,
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PROP_VALUE,
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};
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struct _GimpLabelEntry
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{
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GimpLabeled parent_class;
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GtkWidget *entry;
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};
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static void gimp_label_entry_constructed (GObject *object);
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static void gimp_label_entry_set_property (GObject *object,
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guint property_id,
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const GValue *value,
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GParamSpec *pspec);
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static void gimp_label_entry_get_property (GObject *object,
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guint property_id,
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GValue *value,
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GParamSpec *pspec);
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static GtkWidget * gimp_label_entry_populate (GimpLabeled *entry,
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gint *x,
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gint *y,
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gint *width,
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gint *height);
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G_DEFINE_TYPE (GimpLabelEntry, gimp_label_entry, GIMP_TYPE_LABELED)
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#define parent_class gimp_label_entry_parent_class
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static guint gimp_label_entry_signals[LAST_SIGNAL] = { 0 };
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static void
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gimp_label_entry_class_init (GimpLabelEntryClass *klass)
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{
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GObjectClass *object_class = G_OBJECT_CLASS (klass);
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GimpLabeledClass *labeled_class = GIMP_LABELED_CLASS (klass);
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gimp_label_entry_signals[VALUE_CHANGED] =
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g_signal_new ("value-changed",
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G_TYPE_FROM_CLASS (klass),
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G_SIGNAL_RUN_FIRST,
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0,
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NULL, NULL, NULL,
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G_TYPE_NONE, 0);
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object_class->constructed = gimp_label_entry_constructed;
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object_class->set_property = gimp_label_entry_set_property;
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object_class->get_property = gimp_label_entry_get_property;
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labeled_class->populate = gimp_label_entry_populate;
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/**
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* GimpLabelEntry:value:
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*
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* The currently set value.
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*
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* Since: 3.0
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**/
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g_object_class_install_property (object_class, PROP_VALUE,
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g_param_spec_string ("value",
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"Entry text",
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"The text in the entry",
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NULL,
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GIMP_PARAM_READWRITE));
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}
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static void
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gimp_label_entry_init (GimpLabelEntry *entry)
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{
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entry->entry = gtk_entry_new ();
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}
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static void
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gimp_label_entry_constructed (GObject *object)
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{
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GimpLabelEntry *entry = GIMP_LABEL_ENTRY (object);
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GtkEntryBuffer *buffer = gtk_entry_get_buffer (GTK_ENTRY (entry->entry));
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G_OBJECT_CLASS (parent_class)->constructed (object);
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/* This is important to make this object into a property widget. It
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* will allow config object to bind the "value" property of this
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* widget, and therefore be updated automatically.
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*/
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g_object_bind_property (G_OBJECT (buffer), "text",
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G_OBJECT (entry), "value",
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G_BINDING_BIDIRECTIONAL | G_BINDING_SYNC_CREATE);
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}
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static void
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gimp_label_entry_set_property (GObject *object,
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guint property_id,
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const GValue *value,
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GParamSpec *pspec)
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{
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GimpLabelEntry *entry = GIMP_LABEL_ENTRY (object);
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switch (property_id)
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{
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case PROP_VALUE:
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{
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GtkEntryBuffer *buffer = gtk_entry_get_buffer (GTK_ENTRY (entry->entry));
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/* Avoid looping forever since we have bound this widget's
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* "value" property with the entry button "value" property.
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*/
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if (g_strcmp0 (gtk_entry_buffer_get_text (buffer),
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g_value_get_string (value)) != 0)
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gtk_entry_buffer_set_text (buffer, g_value_get_string (value), -1);
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g_signal_emit (object, gimp_label_entry_signals[VALUE_CHANGED], 0);
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}
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break;
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
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break;
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}
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}
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static void
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gimp_label_entry_get_property (GObject *object,
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guint property_id,
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GValue *value,
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GParamSpec *pspec)
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{
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GimpLabelEntry *entry = GIMP_LABEL_ENTRY (object);
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switch (property_id)
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{
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case PROP_VALUE:
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{
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GtkEntryBuffer *buffer = gtk_entry_get_buffer (GTK_ENTRY (entry->entry));
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g_value_set_string (value, gtk_entry_buffer_get_text (buffer));
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}
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break;
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
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break;
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}
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}
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static GtkWidget *
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gimp_label_entry_populate (GimpLabeled *labeled,
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gint *x,
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gint *y,
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gint *width,
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gint *height)
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{
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GimpLabelEntry *entry = GIMP_LABEL_ENTRY (labeled);
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gtk_grid_attach (GTK_GRID (entry), entry->entry, 1, 0, 1, 1);
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/* Make sure the label and entry won't be glued next to each other's. */
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gtk_grid_set_column_spacing (GTK_GRID (entry),
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4 * gtk_widget_get_scale_factor (GTK_WIDGET (entry)));
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gtk_widget_show (entry->entry);
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return entry->entry;
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}
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/* Public Functions */
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/**
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* gimp_label_entry_new:
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* @label: The text for the #GtkLabel.
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*
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*
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* Returns: (transfer full): The new #GimpLabelEntry widget.
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**/
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GtkWidget *
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gimp_label_entry_new (const gchar *label)
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{
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GtkWidget *labeled;
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labeled = g_object_new (GIMP_TYPE_LABEL_ENTRY,
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"label", label,
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NULL);
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return labeled;
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}
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/**
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* gimp_label_entry_set_value:
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* @entry: The #GtkLabelEntry.
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* @value: A new value.
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*
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* This function sets the value in the #GtkEntry inside @entry.
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**/
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void
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gimp_label_entry_set_value (GimpLabelEntry *entry,
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const gchar *value)
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{
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g_return_if_fail (GIMP_IS_LABEL_ENTRY (entry));
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g_object_set (entry,
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"value", value,
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NULL);
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}
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/**
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* gimp_label_entry_get_value:
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* @entry: The #GtkLabelEntry.
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*
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* This function returns the value shown by @entry.
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*
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* Returns: (transfer none): The value currently set.
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**/
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const gchar *
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gimp_label_entry_get_value (GimpLabelEntry *entry)
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{
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GtkEntryBuffer *buffer;
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g_return_val_if_fail (GIMP_IS_LABEL_ENTRY (entry), NULL);
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buffer = gtk_entry_get_buffer (GTK_ENTRY (entry->entry));
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return gtk_entry_buffer_get_text (buffer);
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}
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/**
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* gimp_label_entry_get_entry:
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* @entry: The #GimpLabelEntry
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*
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* This function returns the #GtkEntry packed in @entry.
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*
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* Returns: (transfer none): The #GtkEntry contained in @entry.
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**/
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GtkWidget *
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gimp_label_entry_get_entry (GimpLabelEntry *entry)
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{
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g_return_val_if_fail (GIMP_IS_LABEL_ENTRY (entry), NULL);
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return entry->entry;
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}
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