gem-graph-client/libide/gui/ide-environment-editor.c

318 lines
8.8 KiB
C

/* ide-environment-editor.c
*
* Copyright 2016-2019 Christian Hergert <christian@hergert.me>
*
* 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 <http://www.gnu.org/licenses/>.
*
* SPDX-License-Identifier: GPL-3.0-or-later
*/
#define G_LOG_DOMAIN "ide-environment-editor"
#include "config.h"
#include <glib/gi18n.h>
#include "ide-environment-editor.h"
#include "ide-environment-editor-row.h"
struct _IdeEnvironmentEditor
{
GtkListBox parent_instance;
IdeEnvironment *environment;
GtkWidget *dummy_row;
IdeEnvironmentVariable *dummy;
};
G_DEFINE_FINAL_TYPE (IdeEnvironmentEditor, ide_environment_editor, GTK_TYPE_LIST_BOX)
enum {
PROP_0,
PROP_ENVIRONMENT,
LAST_PROP
};
static GParamSpec *properties [LAST_PROP];
static void
ide_environment_editor_delete_row (IdeEnvironmentEditor *self,
IdeEnvironmentEditorRow *row)
{
IdeEnvironmentVariable *variable;
g_assert (IDE_IS_ENVIRONMENT_EDITOR (self));
g_assert (IDE_IS_ENVIRONMENT_EDITOR_ROW (row));
variable = ide_environment_editor_row_get_variable (row);
ide_environment_remove (self->environment, variable);
}
static GtkWidget *
ide_environment_editor_create_dummy_row (IdeEnvironmentEditor *self)
{
GtkWidget *row;
GtkWidget *label;
g_assert (IDE_IS_ENVIRONMENT_EDITOR (self));
label = g_object_new (GTK_TYPE_LABEL,
"label", _("New variable…"),
"visible", TRUE,
"xalign", 0.0f,
NULL);
gtk_style_context_add_class (gtk_widget_get_style_context (label), "dim-label");
row = g_object_new (GTK_TYPE_LIST_BOX_ROW,
"child", label,
"visible", TRUE,
NULL);
return row;
}
static GtkWidget *
ide_environment_editor_create_row (gpointer item,
gpointer user_data)
{
IdeEnvironmentVariable *variable = item;
IdeEnvironmentEditor *self = user_data;
IdeEnvironmentEditorRow *row;
g_assert (IDE_IS_ENVIRONMENT_EDITOR (self));
g_assert (IDE_IS_ENVIRONMENT_VARIABLE (variable));
row = g_object_new (IDE_TYPE_ENVIRONMENT_EDITOR_ROW,
"variable", variable,
"visible", TRUE,
NULL);
g_signal_connect_object (row,
"delete",
G_CALLBACK (ide_environment_editor_delete_row),
self,
G_CONNECT_SWAPPED);
return GTK_WIDGET (row);
}
static void
ide_environment_editor_disconnect (IdeEnvironmentEditor *self)
{
g_assert (IDE_IS_ENVIRONMENT_EDITOR (self));
g_assert (IDE_IS_ENVIRONMENT (self->environment));
gtk_list_box_bind_model (GTK_LIST_BOX (self), NULL, NULL, NULL, NULL);
g_clear_object (&self->dummy);
}
static void
ide_environment_editor_connect (IdeEnvironmentEditor *self)
{
g_assert (IDE_IS_ENVIRONMENT_EDITOR (self));
g_assert (IDE_IS_ENVIRONMENT (self->environment));
gtk_list_box_bind_model (GTK_LIST_BOX (self),
G_LIST_MODEL (self->environment),
ide_environment_editor_create_row, self, NULL);
self->dummy_row = ide_environment_editor_create_dummy_row (self);
gtk_container_add (GTK_CONTAINER (self), self->dummy_row);
}
static void
find_row_cb (GtkWidget *widget,
gpointer data)
{
struct {
IdeEnvironmentVariable *variable;
IdeEnvironmentEditorRow *row;
} *lookup = data;
g_assert (lookup != NULL);
g_assert (GTK_IS_LIST_BOX_ROW (widget));
if (IDE_IS_ENVIRONMENT_EDITOR_ROW (widget))
{
IdeEnvironmentVariable *variable;
variable = ide_environment_editor_row_get_variable (IDE_ENVIRONMENT_EDITOR_ROW (widget));
if (variable == lookup->variable)
lookup->row = IDE_ENVIRONMENT_EDITOR_ROW (widget);
}
}
static IdeEnvironmentEditorRow *
find_row (IdeEnvironmentEditor *self,
IdeEnvironmentVariable *variable)
{
struct {
IdeEnvironmentVariable *variable;
IdeEnvironmentEditorRow *row;
} lookup = { variable, NULL };
g_assert (IDE_IS_ENVIRONMENT_EDITOR (self));
g_assert (IDE_IS_ENVIRONMENT_VARIABLE (variable));
gtk_container_foreach (GTK_CONTAINER (self), find_row_cb, &lookup);
return lookup.row;
}
static void
ide_environment_editor_row_activated (GtkListBox *list_box,
GtkListBoxRow *row)
{
IdeEnvironmentEditor *self = (IdeEnvironmentEditor *)list_box;
g_assert (GTK_IS_LIST_BOX (list_box));
g_assert (GTK_IS_LIST_BOX_ROW (row));
if (self->environment == NULL)
return;
if (self->dummy_row == GTK_WIDGET (row))
{
g_autoptr(IdeEnvironmentVariable) variable = NULL;
variable = ide_environment_variable_new (NULL, NULL);
ide_environment_append (self->environment, variable);
ide_environment_editor_row_start_editing (find_row (self, variable));
}
}
static void
ide_environment_editor_destroy (GtkWidget *widget)
{
IdeEnvironmentEditor *self = (IdeEnvironmentEditor *)widget;
GTK_WIDGET_CLASS (ide_environment_editor_parent_class)->destroy (widget);
g_clear_object (&self->environment);
}
static void
ide_environment_editor_get_property (GObject *object,
guint prop_id,
GValue *value,
GParamSpec *pspec)
{
IdeEnvironmentEditor *self = IDE_ENVIRONMENT_EDITOR(object);
switch (prop_id)
{
case PROP_ENVIRONMENT:
g_value_set_object (value, ide_environment_editor_get_environment (self));
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID(object, prop_id, pspec);
}
}
static void
ide_environment_editor_set_property (GObject *object,
guint prop_id,
const GValue *value,
GParamSpec *pspec)
{
IdeEnvironmentEditor *self = IDE_ENVIRONMENT_EDITOR(object);
switch (prop_id)
{
case PROP_ENVIRONMENT:
ide_environment_editor_set_environment (self, g_value_get_object (value));
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID(object, prop_id, pspec);
}
}
static void
ide_environment_editor_class_init (IdeEnvironmentEditorClass *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (klass);
GtkListBoxClass *list_box_class = GTK_LIST_BOX_CLASS (klass);
object_class->get_property = ide_environment_editor_get_property;
object_class->set_property = ide_environment_editor_set_property;
widget_class->destroy = ide_environment_editor_destroy;
list_box_class->row_activated = ide_environment_editor_row_activated;
properties [PROP_ENVIRONMENT] =
g_param_spec_object ("environment",
"Environment",
"Environment",
IDE_TYPE_ENVIRONMENT,
(G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
g_object_class_install_properties (object_class, LAST_PROP, properties);
}
static void
ide_environment_editor_init (IdeEnvironmentEditor *self)
{
gtk_list_box_set_selection_mode (GTK_LIST_BOX (self), GTK_SELECTION_NONE);
}
GtkWidget *
ide_environment_editor_new (void)
{
return g_object_new (IDE_TYPE_ENVIRONMENT_EDITOR, NULL);
}
void
ide_environment_editor_set_environment (IdeEnvironmentEditor *self,
IdeEnvironment *environment)
{
g_return_if_fail (IDE_IS_ENVIRONMENT_EDITOR (self));
g_return_if_fail (IDE_IS_ENVIRONMENT (environment));
if (self->environment != environment)
{
if (self->environment != NULL)
{
ide_environment_editor_disconnect (self);
g_clear_object (&self->environment);
}
if (environment != NULL)
{
self->environment = g_object_ref (environment);
ide_environment_editor_connect (self);
}
g_object_notify_by_pspec (G_OBJECT (self), properties [PROP_ENVIRONMENT]);
}
}
/**
* ide_environment_editor_get_environment:
*
* Returns: (nullable) (transfer none): An #IdeEnvironment or %NULL.
*/
IdeEnvironment *
ide_environment_editor_get_environment (IdeEnvironmentEditor *self)
{
g_return_val_if_fail (IDE_IS_ENVIRONMENT_EDITOR (self), NULL);
return self->environment;
}