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-rw-r--r--src/terminal-screen-container.c391
1 files changed, 391 insertions, 0 deletions
diff --git a/src/terminal-screen-container.c b/src/terminal-screen-container.c
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+++ b/src/terminal-screen-container.c
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+/*
+ * Copyright © 2008, 2010, 2011 Christian Persch
+ *
+ * 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/>.
+ */
+
+#include "config.h"
+
+#include "terminal-screen-container.h"
+#include "terminal-debug.h"
+
+#if 0
+#define USE_SCROLLED_WINDOW
+#endif
+
+#include <gtk/gtk.h>
+
+#define TERMINAL_SCREEN_CONTAINER_GET_PRIVATE(screen_container)(G_TYPE_INSTANCE_GET_PRIVATE ((screen_container), TERMINAL_TYPE_SCREEN_CONTAINER, TerminalScreenContainerPrivate))
+
+struct _TerminalScreenContainerPrivate
+{
+ TerminalScreen *screen;
+#ifdef USE_SCROLLED_WINDOW
+ GtkWidget *scrolled_window;
+#else
+ GtkWidget *hbox;
+ GtkWidget *vscrollbar;
+#endif
+ GtkPolicyType hscrollbar_policy;
+ GtkPolicyType vscrollbar_policy;
+};
+
+enum
+{
+ PROP_0,
+ PROP_SCREEN,
+ PROP_HSCROLLBAR_POLICY,
+ PROP_VSCROLLBAR_POLICY
+};
+
+G_DEFINE_TYPE (TerminalScreenContainer, terminal_screen_container, GTK_TYPE_OVERLAY)
+
+#define TERMINAL_SCREEN_CONTAINER_CSS_NAME "terminal-screen-container"
+
+/* helper functions */
+
+/* Widget class implementation */
+
+static void
+terminal_screen_container_realize (GtkWidget *widget)
+{
+
+ GTK_WIDGET_CLASS (terminal_screen_container_parent_class)->realize (widget);
+
+ /* We need to realize the screen itself too, see issue #203 */
+ TerminalScreenContainer *container = TERMINAL_SCREEN_CONTAINER (widget);
+ TerminalScreenContainerPrivate *priv = container->priv;
+ gtk_widget_realize (GTK_WIDGET (priv->screen));
+}
+
+#ifndef USE_SCROLLED_WINDOW
+
+static void
+terminal_screen_container_style_updated (GtkWidget *widget)
+{
+ TerminalScreenContainer *container = TERMINAL_SCREEN_CONTAINER (widget);
+ TerminalScreenContainerPrivate *priv = container->priv;
+ GtkCornerType corner;
+ gboolean set;
+
+ GTK_WIDGET_CLASS (terminal_screen_container_parent_class)->style_updated (widget);
+
+ gtk_widget_style_get (widget,
+ "window-placement", &corner,
+ "window-placement-set", &set,
+ NULL);
+
+ if (!set) {
+ g_object_get (gtk_widget_get_settings (widget),
+ "gtk-scrolled-window-placement", &corner,
+ NULL);
+ }
+
+ switch (corner) {
+ case GTK_CORNER_TOP_LEFT:
+ case GTK_CORNER_BOTTOM_LEFT:
+ gtk_box_reorder_child (GTK_BOX (priv->hbox), priv->vscrollbar, -1);
+ break;
+ case GTK_CORNER_TOP_RIGHT:
+ case GTK_CORNER_BOTTOM_RIGHT:
+ gtk_box_reorder_child (GTK_BOX (priv->hbox), priv->vscrollbar, 0);
+ break;
+ default:
+ g_assert_not_reached ();
+ }
+}
+
+#endif /* !USE_SCROLLED_WINDOW */
+
+/* Class implementation */
+
+static void
+terminal_screen_container_init (TerminalScreenContainer *container)
+{
+ TerminalScreenContainerPrivate *priv;
+
+ priv = container->priv = TERMINAL_SCREEN_CONTAINER_GET_PRIVATE (container);
+
+ priv->hscrollbar_policy = GTK_POLICY_AUTOMATIC;
+ priv->vscrollbar_policy = GTK_POLICY_AUTOMATIC;
+}
+
+static void
+terminal_screen_container_constructed (GObject *object)
+{
+ TerminalScreenContainer *container = TERMINAL_SCREEN_CONTAINER (object);
+ TerminalScreenContainerPrivate *priv = container->priv;
+
+ G_OBJECT_CLASS (terminal_screen_container_parent_class)->constructed (object);
+
+ g_assert (priv->screen != NULL);
+
+#ifdef USE_SCROLLED_WINDOW
+{
+ GtkAdjustment *hadjustment;
+ GtkAdjustment *vadjustment;
+
+ hadjustment = gtk_scrollable_get_hadjustment (GTK_SCROLLABLE (priv->screen));
+ vadjustment = gtk_scrollable_get_vadjustment (GTK_SCROLLABLE (priv->screen));
+
+ priv->scrolled_window = gtk_scrolled_window_new (hadjustment, vadjustment);
+ gtk_scrolled_window_set_overlay_scrolling (GTK_SCROLLED_WINDOW (priv->scrolled_window), FALSE);
+ gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (priv->scrolled_window),
+ priv->hscrollbar_policy,
+ priv->vscrollbar_policy);
+ gtk_container_add (GTK_CONTAINER (priv->scrolled_window), GTK_WIDGET (priv->screen));
+
+ gtk_container_add (GTK_CONTAINER (container), priv->scrolled_window);
+ gtk_widget_show_all (priv->scrolled_window);
+}
+#else
+ priv->hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 0);
+
+ priv->vscrollbar = gtk_scrollbar_new (GTK_ORIENTATION_VERTICAL,
+ gtk_scrollable_get_vadjustment (GTK_SCROLLABLE (priv->screen)));
+
+ gtk_box_pack_start (GTK_BOX (priv->hbox), GTK_WIDGET (priv->screen), TRUE, TRUE, 0);
+ gtk_box_pack_start (GTK_BOX (priv->hbox), priv->vscrollbar, FALSE, FALSE, 0);
+
+ gtk_container_add (GTK_CONTAINER (container), priv->hbox);
+ gtk_widget_show_all (priv->hbox);
+#endif
+
+ _terminal_screen_update_scrollbar (priv->screen);
+}
+
+static void
+terminal_screen_container_get_property (GObject *object,
+ guint prop_id,
+ GValue *value,
+ GParamSpec *pspec)
+{
+ TerminalScreenContainer *container = TERMINAL_SCREEN_CONTAINER (object);
+ TerminalScreenContainerPrivate *priv = container->priv;
+
+ switch (prop_id) {
+ case PROP_SCREEN:
+ break;
+ case PROP_HSCROLLBAR_POLICY:
+ g_value_set_enum (value, priv->hscrollbar_policy);
+ break;
+ case PROP_VSCROLLBAR_POLICY:
+ g_value_set_enum (value, priv->vscrollbar_policy);
+ break;
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+ break;
+ }
+}
+
+static void
+terminal_screen_container_set_property (GObject *object,
+ guint prop_id,
+ const GValue *value,
+ GParamSpec *pspec)
+{
+ TerminalScreenContainer *container = TERMINAL_SCREEN_CONTAINER (object);
+ TerminalScreenContainerPrivate *priv = container->priv;
+
+ switch (prop_id) {
+ case PROP_SCREEN:
+ priv->screen = g_value_get_object (value);
+ break;
+ case PROP_HSCROLLBAR_POLICY:
+ terminal_screen_container_set_policy (container,
+ g_value_get_enum (value),
+ priv->vscrollbar_policy);
+ break;
+ case PROP_VSCROLLBAR_POLICY:
+ terminal_screen_container_set_policy (container,
+ priv->hscrollbar_policy,
+ g_value_get_enum (value));
+ break;
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+ break;
+ }
+}
+
+static void
+terminal_screen_container_class_init (TerminalScreenContainerClass *klass)
+{
+ GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
+
+ g_type_class_add_private (gobject_class, sizeof (TerminalScreenContainerPrivate));
+
+ gobject_class->constructed = terminal_screen_container_constructed;
+ gobject_class->get_property = terminal_screen_container_get_property;
+ gobject_class->set_property = terminal_screen_container_set_property;
+
+ GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (klass);
+ widget_class->realize = terminal_screen_container_realize;
+
+#ifndef USE_SCROLLED_WINDOW
+ widget_class->style_updated = terminal_screen_container_style_updated;
+
+ gtk_widget_class_install_style_property (widget_class,
+ g_param_spec_enum ("window-placement", NULL, NULL,
+ GTK_TYPE_CORNER_TYPE,
+ GTK_CORNER_BOTTOM_RIGHT,
+ G_PARAM_READWRITE |
+ G_PARAM_STATIC_STRINGS));
+ gtk_widget_class_install_style_property (widget_class,
+ g_param_spec_boolean ("window-placement-set", NULL, NULL,
+ FALSE,
+ G_PARAM_READWRITE |
+ G_PARAM_STATIC_STRINGS));
+#endif
+
+ gtk_widget_class_set_css_name(widget_class, TERMINAL_SCREEN_CONTAINER_CSS_NAME);
+
+ g_object_class_install_property
+ (gobject_class,
+ PROP_SCREEN,
+ g_param_spec_object ("screen", NULL, NULL,
+ TERMINAL_TYPE_SCREEN,
+ G_PARAM_READWRITE |
+ G_PARAM_CONSTRUCT_ONLY |
+ G_PARAM_STATIC_STRINGS));
+
+ g_object_class_install_property
+ (gobject_class,
+ PROP_HSCROLLBAR_POLICY,
+ g_param_spec_enum ("hscrollbar-policy", NULL, NULL,
+ GTK_TYPE_POLICY_TYPE,
+ GTK_POLICY_AUTOMATIC,
+ G_PARAM_READWRITE |
+ G_PARAM_STATIC_STRINGS));
+ g_object_class_install_property
+ (gobject_class,
+ PROP_VSCROLLBAR_POLICY,
+ g_param_spec_enum ("vscrollbar-policy", NULL, NULL,
+ GTK_TYPE_POLICY_TYPE,
+ GTK_POLICY_AUTOMATIC,
+ G_PARAM_READWRITE |
+ G_PARAM_STATIC_STRINGS));
+}
+
+/* public API */
+
+/**
+ * terminal_screen_container_new:
+ * @screen: a #TerminalScreen
+ *
+ * Returns: a new #TerminalScreenContainer for @screen
+ */
+GtkWidget *
+terminal_screen_container_new (TerminalScreen *screen)
+{
+ return g_object_new (TERMINAL_TYPE_SCREEN_CONTAINER,
+ "screen", screen,
+ NULL);
+}
+
+/**
+ * terminal_screen_container_get_screen:
+ * @container: a #TerminalScreenContainer
+ *
+ * Returns: @container's #TerminalScreen
+ */
+TerminalScreen *
+terminal_screen_container_get_screen (TerminalScreenContainer *container)
+{
+ if (container == NULL)
+ return NULL;
+
+ g_return_val_if_fail (TERMINAL_IS_SCREEN_CONTAINER (container), NULL);
+
+ return container->priv->screen;
+}
+
+/**
+ * terminal_screen_container_get_from_screen:
+ * @screen: a #TerminalScreenContainerPrivate
+ *
+ * Returns the #TerminalScreenContainer containing @screen.
+ */
+TerminalScreenContainer *
+terminal_screen_container_get_from_screen (TerminalScreen *screen)
+{
+ if (screen == NULL)
+ return NULL;
+
+ g_return_val_if_fail (TERMINAL_IS_SCREEN (screen), NULL);
+
+ return TERMINAL_SCREEN_CONTAINER (gtk_widget_get_ancestor (GTK_WIDGET (screen), TERMINAL_TYPE_SCREEN_CONTAINER));
+}
+
+/**
+ * terminal_screen_container_set_policy:
+ * @container: a #TerminalScreenContainer
+ * @hpolicy: a #GtkPolicyType
+ * @vpolicy: a #GtkPolicyType
+ *
+ * Sets @container's scrollbar policy.
+ */
+void
+terminal_screen_container_set_policy (TerminalScreenContainer *container,
+ GtkPolicyType hpolicy,
+ GtkPolicyType vpolicy)
+{
+ TerminalScreenContainerPrivate *priv;
+ GObject *object;
+
+ g_return_if_fail (TERMINAL_IS_SCREEN_CONTAINER (container));
+
+ object = G_OBJECT (container);
+ priv = container->priv;
+
+ g_object_freeze_notify (object);
+
+ if (priv->hscrollbar_policy != hpolicy) {
+ priv->hscrollbar_policy = hpolicy;
+ g_object_notify (object, "hscrollbar-policy");
+ }
+ if (priv->vscrollbar_policy != vpolicy) {
+ priv->vscrollbar_policy = vpolicy;
+ g_object_notify (object, "vscrollbar-policy");
+ }
+
+#ifdef USE_SCROLLED_WINDOW
+ switch (vpolicy) {
+ case GTK_POLICY_NEVER:
+ vpolicy = GTK_POLICY_EXTERNAL;
+ break;
+ case GTK_POLICY_AUTOMATIC:
+ case GTK_POLICY_ALWAYS:
+ vpolicy = GTK_POLICY_ALWAYS;
+ break;
+ default:
+ g_assert_not_reached ();
+ }
+
+ gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (priv->scrolled_window), hpolicy, vpolicy);
+#else
+ switch (vpolicy) {
+ case GTK_POLICY_NEVER:
+ gtk_widget_hide (priv->vscrollbar);
+ break;
+ case GTK_POLICY_AUTOMATIC:
+ case GTK_POLICY_ALWAYS:
+ gtk_widget_show (priv->vscrollbar);
+ break;
+ default:
+ g_assert_not_reached ();
+ }
+#endif /* USE_SCROLLED_WINDOW */
+
+ g_object_thaw_notify (object);
+}