diff options
Diffstat (limited to 'widgets/misc/e-paned.c')
| -rw-r--r-- | widgets/misc/e-paned.c | 503 |
1 files changed, 0 insertions, 503 deletions
diff --git a/widgets/misc/e-paned.c b/widgets/misc/e-paned.c deleted file mode 100644 index 3b8f16bbec..0000000000 --- a/widgets/misc/e-paned.c +++ /dev/null @@ -1,503 +0,0 @@ -/* - * e-paned.c - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU Lesser General Public - * License as published by the Free Software Foundation; either - * version 2 of the License, or (at your option) version 3. - * - * 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 - * Lesser General Public License for more details. - * - * You should have received a copy of the GNU Lesser General Public - * License along with the program; if not, see <http://www.gnu.org/licenses/> - * - * - * Copyright (C) 1999-2008 Novell, Inc. (www.novell.com) - * - */ - -#ifdef HAVE_CONFIG_H -#include <config.h> -#endif - -#include "e-paned.h" - -#include <glib/gi18n-lib.h> - -#define E_PANED_GET_PRIVATE(obj) \ - (G_TYPE_INSTANCE_GET_PRIVATE \ - ((obj), E_TYPE_PANED, EPanedPrivate)) - -#define SYNC_REQUEST_NONE 0 -#define SYNC_REQUEST_POSITION 1 -#define SYNC_REQUEST_PROPORTION 2 - -struct _EPanedPrivate { - gint hposition; - gint vposition; - gdouble proportion; - - gulong wse_handler_id; - - guint fixed_resize : 1; - guint sync_request : 2; - guint toplevel_ready : 1; -}; - -enum { - PROP_0, - PROP_HPOSITION, - PROP_VPOSITION, - PROP_PROPORTION, - PROP_FIXED_RESIZE -}; - -G_DEFINE_TYPE ( - EPaned, - e_paned, - GTK_TYPE_PANED) - -static gboolean -paned_queue_resize_on_idle (GtkWidget *paned) -{ - gtk_widget_queue_resize_no_redraw (paned); - - return FALSE; -} - -static gboolean -paned_window_state_event_cb (EPaned *paned, - GdkEventWindowState *event, - GtkWidget *toplevel) -{ - /* Wait for WITHDRAWN to change from 1 to 0. */ - if (!(event->changed_mask & GDK_WINDOW_STATE_WITHDRAWN)) - return FALSE; - - /* The whole point of this hack is to trap a point where if - * the window were to be maximized initially, the maximized - * allocation would already be negotiated. We're there now. - * Set a flag so we know it's safe to set GtkPaned position. */ - paned->priv->toplevel_ready = TRUE; - - if (paned->priv->sync_request != SYNC_REQUEST_NONE) - gtk_widget_queue_resize (GTK_WIDGET (paned)); - - /* We don't need to listen for window state events anymore. */ - g_signal_handler_disconnect (toplevel, paned->priv->wse_handler_id); - paned->priv->wse_handler_id = 0; - - return FALSE; -} - -static void -paned_notify_orientation_cb (EPaned *paned) -{ - /* Ignore the next "notify::position" emission. */ - if (e_paned_get_fixed_resize (paned)) - paned->priv->sync_request = SYNC_REQUEST_POSITION; - else - paned->priv->sync_request = SYNC_REQUEST_PROPORTION; - gtk_widget_queue_resize (GTK_WIDGET (paned)); -} - -static void -paned_notify_position_cb (EPaned *paned) -{ - GtkAllocation allocation; - GtkOrientable *orientable; - GtkOrientation orientation; - gdouble proportion; - gint position; - - /* If a sync has already been requested, do nothing. */ - if (paned->priv->sync_request != SYNC_REQUEST_NONE) - return; - - orientable = GTK_ORIENTABLE (paned); - orientation = gtk_orientable_get_orientation (orientable); - - gtk_widget_get_allocation (GTK_WIDGET (paned), &allocation); - position = gtk_paned_get_position (GTK_PANED (paned)); - - g_object_freeze_notify (G_OBJECT (paned)); - - if (orientation == GTK_ORIENTATION_HORIZONTAL) { - position = MAX (0, allocation.width - position); - proportion = (gdouble) position / allocation.width; - - paned->priv->hposition = position; - g_object_notify (G_OBJECT (paned), "hposition"); - } else { - position = MAX (0, allocation.height - position); - proportion = (gdouble) position / allocation.height; - - paned->priv->vposition = position; - g_object_notify (G_OBJECT (paned), "vposition"); - } - - paned->priv->proportion = proportion; - g_object_notify (G_OBJECT (paned), "proportion"); - - if (e_paned_get_fixed_resize (paned)) - paned->priv->sync_request = SYNC_REQUEST_POSITION; - else - paned->priv->sync_request = SYNC_REQUEST_PROPORTION; - - g_object_thaw_notify (G_OBJECT (paned)); -} - -static void -paned_set_property (GObject *object, - guint property_id, - const GValue *value, - GParamSpec *pspec) -{ - switch (property_id) { - case PROP_HPOSITION: - e_paned_set_hposition ( - E_PANED (object), - g_value_get_int (value)); - return; - - case PROP_VPOSITION: - e_paned_set_vposition ( - E_PANED (object), - g_value_get_int (value)); - return; - - case PROP_PROPORTION: - e_paned_set_proportion ( - E_PANED (object), - g_value_get_double (value)); - return; - - case PROP_FIXED_RESIZE: - e_paned_set_fixed_resize ( - E_PANED (object), - g_value_get_boolean (value)); - return; - } - - G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec); -} - -static void -paned_get_property (GObject *object, - guint property_id, - GValue *value, - GParamSpec *pspec) -{ - switch (property_id) { - case PROP_HPOSITION: - g_value_set_int ( - value, e_paned_get_hposition ( - E_PANED (object))); - return; - - case PROP_VPOSITION: - g_value_set_int ( - value, e_paned_get_vposition ( - E_PANED (object))); - return; - - case PROP_PROPORTION: - g_value_set_double ( - value, e_paned_get_proportion ( - E_PANED (object))); - return; - - case PROP_FIXED_RESIZE: - g_value_set_boolean ( - value, e_paned_get_fixed_resize ( - E_PANED (object))); - return; - } - - G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec); -} - -static void -paned_realize (GtkWidget *widget) -{ - EPanedPrivate *priv; - GtkWidget *toplevel; - GdkWindowState state; - GdkWindow *window; - - priv = E_PANED_GET_PRIVATE (widget); - - /* Chain up to parent's realize() method. */ - GTK_WIDGET_CLASS (e_paned_parent_class)->realize (widget); - - /* XXX This would be easier if we could be notified of - * window state events directly, but I can't seem - * to make that happen. */ - - toplevel = gtk_widget_get_toplevel (widget); - window = gtk_widget_get_window (toplevel); - state = gdk_window_get_state (window); - - /* If the window is withdrawn, wait for it to be shown before - * setting the pane position. If the window is already shown, - * it's safe to set the pane position immediately. */ - if (state & GDK_WINDOW_STATE_WITHDRAWN) - priv->wse_handler_id = g_signal_connect_swapped ( - toplevel, "window-state-event", - G_CALLBACK (paned_window_state_event_cb), widget); - else - priv->toplevel_ready = TRUE; -} - -static void -paned_size_allocate (GtkWidget *widget, - GtkAllocation *allocation) -{ - EPaned *paned = E_PANED (widget); - GtkOrientable *orientable; - GtkOrientation orientation; - gdouble proportion; - gint allocated; - gint position; - - /* Chain up to parent's size_allocate() method. */ - GTK_WIDGET_CLASS (e_paned_parent_class)-> - size_allocate (widget, allocation); - - if (!paned->priv->toplevel_ready) - return; - - if (paned->priv->sync_request == SYNC_REQUEST_NONE) - return; - - orientable = GTK_ORIENTABLE (paned); - orientation = gtk_orientable_get_orientation (orientable); - - if (orientation == GTK_ORIENTATION_HORIZONTAL) { - allocated = allocation->width; - position = e_paned_get_hposition (paned); - } else { - allocated = allocation->height; - position = e_paned_get_vposition (paned); - } - - proportion = e_paned_get_proportion (paned); - - if (paned->priv->sync_request == SYNC_REQUEST_POSITION) - position = MAX (0, allocated - position); - else - position = (1.0 - proportion) * allocated; - - gtk_paned_set_position (GTK_PANED (paned), position); - - paned->priv->sync_request = SYNC_REQUEST_NONE; - - /* gtk_paned_set_position() calls queue_resize, which cannot - * be called from size_allocate, so schedule it from an idle - * callback so the change takes effect. */ - g_idle_add_full ( - G_PRIORITY_DEFAULT_IDLE, - (GSourceFunc) paned_queue_resize_on_idle, - g_object_ref (paned), - (GDestroyNotify) g_object_unref); -} - -static void -e_paned_class_init (EPanedClass *class) -{ - GObjectClass *object_class; - GtkWidgetClass *widget_class; - - g_type_class_add_private (class, sizeof (EPanedPrivate)); - - object_class = G_OBJECT_CLASS (class); - object_class->set_property = paned_set_property; - object_class->get_property = paned_get_property; - - widget_class = GTK_WIDGET_CLASS (class); - widget_class->realize = paned_realize; - widget_class->size_allocate = paned_size_allocate; - - g_object_class_install_property ( - object_class, - PROP_HPOSITION, - g_param_spec_int ( - "hposition", - "Horizontal Position", - "Pane position when oriented horizontally", - G_MININT, - G_MAXINT, - 0, - G_PARAM_READWRITE)); - - g_object_class_install_property ( - object_class, - PROP_VPOSITION, - g_param_spec_int ( - "vposition", - "Vertical Position", - "Pane position when oriented vertically", - G_MININT, - G_MAXINT, - 0, - G_PARAM_READWRITE)); - - g_object_class_install_property ( - object_class, - PROP_PROPORTION, - g_param_spec_double ( - "proportion", - "Proportion", - "Proportion of the 2nd pane size", - 0.0, - 1.0, - 0.0, - G_PARAM_READWRITE)); - - g_object_class_install_property ( - object_class, - PROP_FIXED_RESIZE, - g_param_spec_boolean ( - "fixed-resize", - "Fixed Resize", - "Keep the 2nd pane fixed during resize", - TRUE, - G_PARAM_READWRITE)); -} - -static void -e_paned_init (EPaned *paned) -{ - paned->priv = E_PANED_GET_PRIVATE (paned); - - paned->priv->proportion = 0.5; - paned->priv->fixed_resize = TRUE; - - g_signal_connect ( - paned, "notify::orientation", - G_CALLBACK (paned_notify_orientation_cb), NULL); - - g_signal_connect ( - paned, "notify::position", - G_CALLBACK (paned_notify_position_cb), NULL); -} - -GtkWidget * -e_paned_new (GtkOrientation orientation) -{ - return g_object_new (E_TYPE_PANED, "orientation", orientation, NULL); -} - -gint -e_paned_get_hposition (EPaned *paned) -{ - g_return_val_if_fail (E_IS_PANED (paned), 0); - - return paned->priv->hposition; -} - -void -e_paned_set_hposition (EPaned *paned, - gint hposition) -{ - GtkOrientable *orientable; - GtkOrientation orientation; - - g_return_if_fail (E_IS_PANED (paned)); - - if (hposition == paned->priv->hposition) - return; - - paned->priv->hposition = hposition; - - g_object_notify (G_OBJECT (paned), "hposition"); - - orientable = GTK_ORIENTABLE (paned); - orientation = gtk_orientable_get_orientation (orientable); - - if (orientation == GTK_ORIENTATION_HORIZONTAL) { - paned->priv->sync_request = SYNC_REQUEST_POSITION; - gtk_widget_queue_resize (GTK_WIDGET (paned)); - } -} - -gint -e_paned_get_vposition (EPaned *paned) -{ - g_return_val_if_fail (E_IS_PANED (paned), 0); - - return paned->priv->vposition; -} - -void -e_paned_set_vposition (EPaned *paned, - gint vposition) -{ - GtkOrientable *orientable; - GtkOrientation orientation; - - g_return_if_fail (E_IS_PANED (paned)); - - if (vposition == paned->priv->vposition) - return; - - paned->priv->vposition = vposition; - - g_object_notify (G_OBJECT (paned), "vposition"); - - orientable = GTK_ORIENTABLE (paned); - orientation = gtk_orientable_get_orientation (orientable); - - if (orientation == GTK_ORIENTATION_VERTICAL) { - paned->priv->sync_request = SYNC_REQUEST_POSITION; - gtk_widget_queue_resize (GTK_WIDGET (paned)); - } -} - -gdouble -e_paned_get_proportion (EPaned *paned) -{ - g_return_val_if_fail (E_IS_PANED (paned), 0.5); - - return paned->priv->proportion; -} - -void -e_paned_set_proportion (EPaned *paned, - gdouble proportion) -{ - g_return_if_fail (E_IS_PANED (paned)); - g_return_if_fail (CLAMP (proportion, 0.0, 1.0) == proportion); - - paned->priv->proportion = proportion; - - paned->priv->sync_request = SYNC_REQUEST_PROPORTION; - gtk_widget_queue_resize (GTK_WIDGET (paned)); - - g_object_notify (G_OBJECT (paned), "proportion"); -} - -gboolean -e_paned_get_fixed_resize (EPaned *paned) -{ - g_return_val_if_fail (E_IS_PANED (paned), FALSE); - - return paned->priv->fixed_resize; -} - -void -e_paned_set_fixed_resize (EPaned *paned, - gboolean fixed_resize) -{ - g_return_if_fail (E_IS_PANED (paned)); - - if (fixed_resize == paned->priv->fixed_resize) - return; - - paned->priv->fixed_resize = fixed_resize; - - g_object_notify (G_OBJECT (paned), "fixed-resize"); -} |