mirror of
https://github.com/varun-r-mallya/sysprof.git
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libsysprof-ui: start on launch UI
This commit is contained in:
Christian Hergert
278
src/libsysprof-ui/sysprof-environ-editor-row.c
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278
src/libsysprof-ui/sysprof-environ-editor-row.c
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/* sysprof-environ-editor-row.c
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*
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* Copyright 2016-2019 Christian Hergert <christian@hergert.me>
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program 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
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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* SPDX-License-Identifier: GPL-3.0-or-later
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*/
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#define G_LOG_DOMAIN "sysprof-environ-editor-row"
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#include "config.h"
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#include "sysprof-environ-editor-row.h"
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struct _SysprofEnvironEditorRow
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{
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GtkListBoxRow parent_instance;
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SysprofEnvironVariable *variable;
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GtkEntry *key_entry;
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GtkEntry *value_entry;
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GtkButton *delete_button;
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GBinding *key_binding;
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GBinding *value_binding;
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};
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enum {
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PROP_0,
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PROP_VARIABLE,
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LAST_PROP
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};
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enum {
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DELETE,
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LAST_SIGNAL
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};
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G_DEFINE_TYPE (SysprofEnvironEditorRow, sysprof_environ_editor_row, GTK_TYPE_LIST_BOX_ROW)
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static GParamSpec *properties [LAST_PROP];
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static guint signals [LAST_SIGNAL];
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static gboolean
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null_safe_mapping (GBinding *binding,
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const GValue *from_value,
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GValue *to_value,
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gpointer user_data)
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{
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const gchar *str = g_value_get_string (from_value);
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g_value_set_string (to_value, str ?: "");
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return TRUE;
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}
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static void
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sysprof_environ_editor_row_connect (SysprofEnvironEditorRow *self)
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{
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g_assert (SYSPROF_IS_ENVIRON_EDITOR_ROW (self));
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g_assert (SYSPROF_IS_ENVIRON_VARIABLE (self->variable));
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self->key_binding =
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g_object_bind_property_full (self->variable, "key", self->key_entry, "text",
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G_BINDING_SYNC_CREATE | G_BINDING_BIDIRECTIONAL,
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null_safe_mapping, NULL, NULL, NULL);
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self->value_binding =
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g_object_bind_property_full (self->variable, "value", self->value_entry, "text",
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G_BINDING_SYNC_CREATE | G_BINDING_BIDIRECTIONAL,
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null_safe_mapping, NULL, NULL, NULL);
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}
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static void
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sysprof_environ_editor_row_disconnect (SysprofEnvironEditorRow *self)
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{
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g_assert (SYSPROF_IS_ENVIRON_EDITOR_ROW (self));
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g_assert (SYSPROF_IS_ENVIRON_VARIABLE (self->variable));
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g_clear_pointer (&self->key_binding, g_binding_unbind);
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g_clear_pointer (&self->value_binding, g_binding_unbind);
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}
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static void
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delete_button_clicked (GtkButton *button,
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SysprofEnvironEditorRow *self)
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{
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g_assert (GTK_IS_BUTTON (button));
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g_assert (SYSPROF_IS_ENVIRON_EDITOR_ROW (self));
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g_signal_emit (self, signals [DELETE], 0);
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}
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static void
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key_entry_activate (GtkWidget *entry,
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SysprofEnvironEditorRow *self)
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{
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g_assert (GTK_IS_ENTRY (entry));
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g_assert (SYSPROF_IS_ENVIRON_EDITOR_ROW (self));
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gtk_widget_grab_focus (GTK_WIDGET (self->value_entry));
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}
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static void
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value_entry_activate (GtkWidget *entry,
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SysprofEnvironEditorRow *self)
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{
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GtkWidget *parent;
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g_assert (GTK_IS_ENTRY (entry));
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g_assert (SYSPROF_IS_ENVIRON_EDITOR_ROW (self));
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gtk_widget_grab_focus (GTK_WIDGET (self));
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parent = gtk_widget_get_ancestor (GTK_WIDGET (self), GTK_TYPE_LIST_BOX);
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g_signal_emit_by_name (parent, "move-cursor", GTK_MOVEMENT_DISPLAY_LINES, 1);
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}
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static void
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sysprof_environ_editor_row_destroy (GtkWidget *widget)
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{
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SysprofEnvironEditorRow *self = (SysprofEnvironEditorRow *)widget;
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if (self->variable != NULL)
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{
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sysprof_environ_editor_row_disconnect (self);
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g_clear_object (&self->variable);
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}
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GTK_WIDGET_CLASS (sysprof_environ_editor_row_parent_class)->destroy (widget);
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}
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static void
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sysprof_environ_editor_row_get_property (GObject *object,
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guint prop_id,
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GValue *value,
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GParamSpec *pspec)
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{
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SysprofEnvironEditorRow *self = SYSPROF_ENVIRON_EDITOR_ROW (object);
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switch (prop_id)
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{
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case PROP_VARIABLE:
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g_value_set_object (value, sysprof_environ_editor_row_get_variable (self));
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break;
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
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}
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}
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static void
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sysprof_environ_editor_row_set_property (GObject *object,
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guint prop_id,
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const GValue *value,
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GParamSpec *pspec)
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{
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SysprofEnvironEditorRow *self = SYSPROF_ENVIRON_EDITOR_ROW (object);
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switch (prop_id)
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{
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case PROP_VARIABLE:
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sysprof_environ_editor_row_set_variable (self, g_value_get_object (value));
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break;
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
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}
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}
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static void
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sysprof_environ_editor_row_class_init (SysprofEnvironEditorRowClass *klass)
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{
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GObjectClass *object_class = G_OBJECT_CLASS (klass);
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GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (klass);
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object_class->get_property = sysprof_environ_editor_row_get_property;
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object_class->set_property = sysprof_environ_editor_row_set_property;
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widget_class->destroy = sysprof_environ_editor_row_destroy;
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gtk_widget_class_set_template_from_resource (widget_class, "/org/gnome/sysprof/ui/sysprof-environ-editor-row.ui");
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gtk_widget_class_bind_template_child (widget_class, SysprofEnvironEditorRow, delete_button);
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gtk_widget_class_bind_template_child (widget_class, SysprofEnvironEditorRow, key_entry);
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gtk_widget_class_bind_template_child (widget_class, SysprofEnvironEditorRow, value_entry);
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properties [PROP_VARIABLE] =
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g_param_spec_object ("variable",
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"Variable",
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"Variable",
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SYSPROF_TYPE_ENVIRON_VARIABLE,
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(G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
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g_object_class_install_properties (object_class, LAST_PROP, properties);
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signals [DELETE] =
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g_signal_new ("delete",
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G_TYPE_FROM_CLASS (klass),
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G_SIGNAL_RUN_LAST,
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0, NULL, NULL, NULL, G_TYPE_NONE, 0);
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}
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static void
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sysprof_environ_editor_row_init (SysprofEnvironEditorRow *self)
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{
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gtk_widget_init_template (GTK_WIDGET (self));
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g_signal_connect (self->delete_button,
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"clicked",
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G_CALLBACK (delete_button_clicked),
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self);
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g_signal_connect (self->key_entry,
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"activate",
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G_CALLBACK (key_entry_activate),
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self);
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g_signal_connect (self->value_entry,
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"activate",
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G_CALLBACK (value_entry_activate),
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self);
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}
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/**
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* sysprof_environ_editor_row_get_variable:
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*
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* Returns: (transfer none) (nullable): An #SysprofEnvironVariable.
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*/
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SysprofEnvironVariable *
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sysprof_environ_editor_row_get_variable (SysprofEnvironEditorRow *self)
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{
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g_return_val_if_fail (SYSPROF_IS_ENVIRON_EDITOR_ROW (self), NULL);
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return self->variable;
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}
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void
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sysprof_environ_editor_row_set_variable (SysprofEnvironEditorRow *self,
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SysprofEnvironVariable *variable)
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{
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g_return_if_fail (SYSPROF_IS_ENVIRON_EDITOR_ROW (self));
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g_return_if_fail (!variable || SYSPROF_IS_ENVIRON_VARIABLE (variable));
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if (variable != self->variable)
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{
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if (self->variable != NULL)
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{
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sysprof_environ_editor_row_disconnect (self);
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g_clear_object (&self->variable);
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}
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if (variable != NULL)
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{
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self->variable = g_object_ref (variable);
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sysprof_environ_editor_row_connect (self);
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}
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g_object_notify_by_pspec (G_OBJECT (self), properties [PROP_VARIABLE]);
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}
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}
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void
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sysprof_environ_editor_row_start_editing (SysprofEnvironEditorRow *self)
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{
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g_return_if_fail (SYSPROF_IS_ENVIRON_EDITOR_ROW (self));
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gtk_widget_grab_focus (GTK_WIDGET (self->key_entry));
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}
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