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authornobody <nobody@localhost>2000-07-06 12:58:12 +0800
committernobody <nobody@localhost>2000-07-06 12:58:12 +0800
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tree4ba00fa4856e39912c9a54ecba72de80d51d2418 /widgets/e-paned/e-paned.c
parent04f148f617112009091abd18b16463033dd322d0 (diff)
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This commit was manufactured by cvs2svn to create tagBEFORE_GTK_1_3_CHANGES
'BEFORE_GTK_1_3_CHANGES'. svn path=/tags/BEFORE_GTK_1_3_CHANGES/; revision=3911
Diffstat (limited to 'widgets/e-paned/e-paned.c')
-rw-r--r--widgets/e-paned/e-paned.c634
1 files changed, 0 insertions, 634 deletions
diff --git a/widgets/e-paned/e-paned.c b/widgets/e-paned/e-paned.c
deleted file mode 100644
index ae68e10082..0000000000
--- a/widgets/e-paned/e-paned.c
+++ /dev/null
@@ -1,634 +0,0 @@
-/* EPaned - A slightly more advanced paned widget.
- * Copyright (C) 2000 Helix Code, Inc.
- *
- * Author: Christopher James Lahey <clahey@helixcode.com>
- *
- * based on GtkPaned from Gtk+. Gtk+ Copyright notice follows.
- */
-
-/* GTK - The GIMP Toolkit
- * Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Library General Public
- * License as published by the Free Software Foundation; either
- * version 2 of the License, or (at your option) any later version.
- *
- * This library 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
- * Library General Public License for more details.
- *
- * You should have received a copy of the GNU Library General Public
- * License along with this library; if not, write to the
- * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
- * Boston, MA 02111-1307, USA.
- */
-
-/*
- * Modified by the GTK+ Team and others 1997-2000. See the AUTHORS
- * file for a list of people on the GTK+ Team. See the ChangeLog
- * files for a list of changes. These files are distributed with
- * GTK+ at ftp://ftp.gtk.org/pub/gtk/.
- */
-
-#include "e-paned.h"
-
-enum {
- ARG_0,
- ARG_HANDLE_SIZE,
- ARG_QUANTUM,
-};
-
-static void e_paned_class_init (EPanedClass *klass);
-static void e_paned_init (EPaned *paned);
-static void e_paned_set_arg (GtkObject *object,
- GtkArg *arg,
- guint arg_id);
-static void e_paned_get_arg (GtkObject *object,
- GtkArg *arg,
- guint arg_id);
-static void e_paned_realize (GtkWidget *widget);
-static void e_paned_map (GtkWidget *widget);
-static void e_paned_unmap (GtkWidget *widget);
-static void e_paned_unrealize (GtkWidget *widget);
-static gint e_paned_expose (GtkWidget *widget,
- GdkEventExpose *event);
-static void e_paned_add (GtkContainer *container,
- GtkWidget *widget);
-static void e_paned_remove (GtkContainer *container,
- GtkWidget *widget);
-static void e_paned_forall (GtkContainer *container,
- gboolean include_internals,
- GtkCallback callback,
- gpointer callback_data);
-static GtkType e_paned_child_type (GtkContainer *container);
-
-static GtkContainerClass *parent_class = NULL;
-
-
-GtkType
-e_paned_get_type (void)
-{
- static GtkType paned_type = 0;
-
- if (!paned_type)
- {
- static const GtkTypeInfo paned_info =
- {
- "EPaned",
- sizeof (EPaned),
- sizeof (EPanedClass),
- (GtkClassInitFunc) e_paned_class_init,
- (GtkObjectInitFunc) e_paned_init,
- /* reserved_1 */ NULL,
- /* reserved_2 */ NULL,
- (GtkClassInitFunc) NULL,
- };
-
- paned_type = gtk_type_unique (GTK_TYPE_CONTAINER, &paned_info);
- }
-
- return paned_type;
-}
-
-static void
-e_paned_class_init (EPanedClass *klass)
-{
- GtkObjectClass *object_class;
- GtkWidgetClass *widget_class;
- GtkContainerClass *container_class;
-
- object_class = (GtkObjectClass *) klass;
- widget_class = (GtkWidgetClass *) klass;
- container_class = (GtkContainerClass *) klass;
-
- parent_class = gtk_type_class (GTK_TYPE_CONTAINER);
-
- object_class->set_arg = e_paned_set_arg;
- object_class->get_arg = e_paned_get_arg;
-
- widget_class->realize = e_paned_realize;
- widget_class->map = e_paned_map;
- widget_class->unmap = e_paned_unmap;
- widget_class->unrealize = e_paned_unrealize;
- widget_class->expose_event = e_paned_expose;
-
- container_class->add = e_paned_add;
- container_class->remove = e_paned_remove;
- container_class->forall = e_paned_forall;
- container_class->child_type = e_paned_child_type;
-
- klass->handle_shown = NULL;
-
- gtk_object_add_arg_type("EPaned::handle_size", GTK_TYPE_UINT,
- GTK_ARG_READWRITE, ARG_HANDLE_SIZE);
- gtk_object_add_arg_type("EPaned::quantum", GTK_TYPE_UINT,
- GTK_ARG_READWRITE, ARG_QUANTUM);
-}
-
-static GtkType
-e_paned_child_type (GtkContainer *container)
-{
- if (!E_PANED (container)->child1 || !E_PANED (container)->child2)
- return GTK_TYPE_WIDGET;
- else
- return GTK_TYPE_NONE;
-}
-
-static void
-e_paned_init (EPaned *paned)
-{
- GTK_WIDGET_UNSET_FLAGS (paned, GTK_NO_WINDOW);
-
- paned->child1 = NULL;
- paned->child2 = NULL;
- paned->handle = NULL;
- paned->xor_gc = NULL;
- paned->cursor_type = GDK_CROSS;
-
- paned->handle_width = 5;
- paned->handle_height = 5;
- paned->handle_size = 5;
- paned->position_set = FALSE;
- paned->last_allocation = -1;
- paned->in_drag = FALSE;
-
- paned->handle_xpos = -1;
- paned->handle_ypos = -1;
-
- paned->old_child1_size = 0;
- paned->quantum = 1;
-}
-
-static void
-e_paned_set_arg (GtkObject *object,
- GtkArg *arg,
- guint arg_id)
-{
- EPaned *paned = E_PANED (object);
-
- switch (arg_id)
- {
- case ARG_HANDLE_SIZE:
- e_paned_set_handle_size (paned, GTK_VALUE_UINT (*arg));
- break;
- case ARG_QUANTUM:
- paned->quantum = GTK_VALUE_UINT (*arg);
- if (paned->quantum == 0)
- paned->quantum = 1;
- break;
- default:
- break;
- }
-}
-
-static void
-e_paned_get_arg (GtkObject *object,
- GtkArg *arg,
- guint arg_id)
-{
- EPaned *paned = E_PANED (object);
-
- switch (arg_id)
- {
- case ARG_HANDLE_SIZE:
- GTK_VALUE_UINT (*arg) = paned->handle_size;
- break;
- case ARG_QUANTUM:
- GTK_VALUE_UINT (*arg) = paned->quantum;
- break;
- default:
- arg->type = GTK_TYPE_INVALID;
- break;
- }
-}
-
-static void
-e_paned_realize (GtkWidget *widget)
-{
- EPaned *paned;
- GdkWindowAttr attributes;
- gint attributes_mask;
-
- g_return_if_fail (widget != NULL);
- g_return_if_fail (E_IS_PANED (widget));
-
- GTK_WIDGET_SET_FLAGS (widget, GTK_REALIZED);
- paned = E_PANED (widget);
-
- attributes.x = widget->allocation.x;
- attributes.y = widget->allocation.y;
- attributes.width = widget->allocation.width;
- attributes.height = widget->allocation.height;
- attributes.window_type = GDK_WINDOW_CHILD;
- attributes.wclass = GDK_INPUT_OUTPUT;
- attributes.visual = gtk_widget_get_visual (widget);
- attributes.colormap = gtk_widget_get_colormap (widget);
- attributes.event_mask = gtk_widget_get_events (widget) | GDK_EXPOSURE_MASK;
- attributes_mask = GDK_WA_X | GDK_WA_Y | GDK_WA_VISUAL | GDK_WA_COLORMAP;
-
- widget->window = gdk_window_new (gtk_widget_get_parent_window(widget),
- &attributes, attributes_mask);
- gdk_window_set_user_data (widget->window, paned);
-
- attributes.x = paned->handle_xpos;
- attributes.y = paned->handle_ypos;
- attributes.width = paned->handle_width;
- attributes.height = paned->handle_height;
- attributes.cursor = gdk_cursor_new (paned->cursor_type);
- attributes.event_mask |= (GDK_BUTTON_PRESS_MASK |
- GDK_BUTTON_RELEASE_MASK |
- GDK_POINTER_MOTION_MASK |
- GDK_POINTER_MOTION_HINT_MASK);
- attributes_mask |= GDK_WA_CURSOR;
-
- paned->handle = gdk_window_new (widget->window,
- &attributes, attributes_mask);
- gdk_window_set_user_data (paned->handle, paned);
- gdk_cursor_destroy (attributes.cursor);
-
- widget->style = gtk_style_attach (widget->style, widget->window);
-
- gtk_style_set_background (widget->style, widget->window, GTK_STATE_NORMAL);
- gtk_style_set_background (widget->style, paned->handle, GTK_STATE_NORMAL);
-
- gdk_window_set_back_pixmap (widget->window, NULL, TRUE);
-
- if (e_paned_handle_shown(paned))
- gdk_window_show (paned->handle);
-}
-
-static void
-e_paned_map (GtkWidget *widget)
-{
- EPaned *paned;
-
- g_return_if_fail (widget != NULL);
- g_return_if_fail (E_IS_PANED (widget));
-
- GTK_WIDGET_SET_FLAGS (widget, GTK_MAPPED);
- paned = E_PANED (widget);
-
- if (paned->child1 &&
- GTK_WIDGET_VISIBLE (paned->child1) &&
- !GTK_WIDGET_MAPPED (paned->child1))
- gtk_widget_map (paned->child1);
- if (paned->child2 &&
- GTK_WIDGET_VISIBLE (paned->child2) &&
- !GTK_WIDGET_MAPPED (paned->child2))
- gtk_widget_map (paned->child2);
-
- gdk_window_show (widget->window);
-}
-
-static void
-e_paned_unmap (GtkWidget *widget)
-{
- g_return_if_fail (widget != NULL);
- g_return_if_fail (E_IS_PANED (widget));
-
- GTK_WIDGET_UNSET_FLAGS (widget, GTK_MAPPED);
-
- gdk_window_hide (widget->window);
-}
-
-static void
-e_paned_unrealize (GtkWidget *widget)
-{
- EPaned *paned;
-
- g_return_if_fail (widget != NULL);
- g_return_if_fail (E_IS_PANED (widget));
-
- paned = E_PANED (widget);
-
- if (paned->xor_gc)
- {
- gdk_gc_destroy (paned->xor_gc);
- paned->xor_gc = NULL;
- }
-
- if (paned->handle)
- {
- gdk_window_set_user_data (paned->handle, NULL);
- gdk_window_destroy (paned->handle);
- paned->handle = NULL;
- }
-
- if (GTK_WIDGET_CLASS (parent_class)->unrealize)
- (* GTK_WIDGET_CLASS (parent_class)->unrealize) (widget);
-}
-
-static gint
-e_paned_expose (GtkWidget *widget,
- GdkEventExpose *event)
-{
- EPaned *paned;
- GdkEventExpose child_event;
-
- g_return_val_if_fail (widget != NULL, FALSE);
- g_return_val_if_fail (E_IS_PANED (widget), FALSE);
- g_return_val_if_fail (event != NULL, FALSE);
-
- if (GTK_WIDGET_DRAWABLE (widget))
- {
- paned = E_PANED (widget);
-
- if (paned->handle && event->window == paned->handle)
- {
- if (e_paned_handle_shown(paned))
- {
- child_event = *event;
- event->area.x += paned->handle_xpos;
- event->area.y += paned->handle_ypos;
- gtk_widget_draw (widget, &event->area);
- }
- }
- else
- {
- child_event = *event;
- if (paned->child1 &&
- GTK_WIDGET_NO_WINDOW (paned->child1) &&
- gtk_widget_intersect (paned->child1, &event->area, &child_event.area))
- gtk_widget_event (paned->child1, (GdkEvent *) &child_event);
-
- if (paned->child2 &&
- GTK_WIDGET_NO_WINDOW (paned->child2) &&
- gtk_widget_intersect (paned->child2, &event->area, &child_event.area))
- gtk_widget_event (paned->child2, (GdkEvent *) &child_event);
- }
- }
-
- return FALSE;
-}
-
-void
-e_paned_add1 (EPaned *paned,
- GtkWidget *widget)
-{
- e_paned_pack1 (paned, widget, FALSE, TRUE);
-}
-
-void
-e_paned_add2 (EPaned *paned,
- GtkWidget *widget)
-{
- e_paned_pack2 (paned, widget, TRUE, TRUE);
-}
-
-void
-e_paned_pack1 (EPaned *paned,
- GtkWidget *child,
- gboolean resize,
- gboolean shrink)
-{
- g_return_if_fail (paned != NULL);
- g_return_if_fail (E_IS_PANED (paned));
- g_return_if_fail (GTK_IS_WIDGET (child));
-
- if (!paned->child1)
- {
- paned->child1 = child;
- paned->child1_resize = resize;
- paned->child1_shrink = shrink;
-
- gtk_widget_set_parent (child, GTK_WIDGET (paned));
-
- if (GTK_WIDGET_REALIZED (child->parent))
- gtk_widget_realize (child);
-
- if (GTK_WIDGET_VISIBLE (child->parent) && GTK_WIDGET_VISIBLE (child))
- {
- if (GTK_WIDGET_MAPPED (child->parent))
- gtk_widget_map (child);
-
- gtk_widget_queue_resize (child);
- }
- }
-}
-
-void
-e_paned_pack2 (EPaned *paned,
- GtkWidget *child,
- gboolean resize,
- gboolean shrink)
-{
- g_return_if_fail (paned != NULL);
- g_return_if_fail (E_IS_PANED (paned));
- g_return_if_fail (GTK_IS_WIDGET (child));
-
- if (!paned->child2)
- {
- paned->child2 = child;
- paned->child2_resize = resize;
- paned->child2_shrink = shrink;
-
- gtk_widget_set_parent (child, GTK_WIDGET (paned));
-
- if (GTK_WIDGET_REALIZED (child->parent))
- gtk_widget_realize (child);
-
- if (GTK_WIDGET_VISIBLE (child->parent) && GTK_WIDGET_VISIBLE (child))
- {
- if (GTK_WIDGET_MAPPED (child->parent))
- gtk_widget_map (child);
-
- gtk_widget_queue_resize (child);
- }
- }
-}
-
-
-static void
-e_paned_add (GtkContainer *container,
- GtkWidget *widget)
-{
- EPaned *paned;
-
- g_return_if_fail (container != NULL);
- g_return_if_fail (E_IS_PANED (container));
- g_return_if_fail (widget != NULL);
-
- paned = E_PANED (container);
-
- if (!paned->child1)
- e_paned_add1 (E_PANED (container), widget);
- else if (!paned->child2)
- e_paned_add2 (E_PANED (container), widget);
-}
-
-static void
-e_paned_remove (GtkContainer *container,
- GtkWidget *widget)
-{
- EPaned *paned;
- gboolean was_visible;
-
- g_return_if_fail (container != NULL);
- g_return_if_fail (E_IS_PANED (container));
- g_return_if_fail (widget != NULL);
-
- paned = E_PANED (container);
- was_visible = GTK_WIDGET_VISIBLE (widget);
-
- if (paned->child1 == widget)
- {
- gtk_widget_unparent (widget);
-
- paned->child1 = NULL;
-
- if (was_visible && GTK_WIDGET_VISIBLE (container))
- gtk_widget_queue_resize (GTK_WIDGET (container));
- }
- else if (paned->child2 == widget)
- {
- gtk_widget_unparent (widget);
-
- paned->child2 = NULL;
-
- if (was_visible && GTK_WIDGET_VISIBLE (container))
- gtk_widget_queue_resize (GTK_WIDGET (container));
- }
-}
-
-static void
-e_paned_forall (GtkContainer *container,
- gboolean include_internals,
- GtkCallback callback,
- gpointer callback_data)
-{
- EPaned *paned;
-
- g_return_if_fail (container != NULL);
- g_return_if_fail (E_IS_PANED (container));
- g_return_if_fail (callback != NULL);
-
- paned = E_PANED (container);
-
- if (paned->child1)
- (*callback) (paned->child1, callback_data);
- if (paned->child2)
- (*callback) (paned->child2, callback_data);
-}
-
-gint
-e_paned_get_position (EPaned *paned)
-{
- g_return_val_if_fail (paned != NULL, 0);
- g_return_val_if_fail (E_IS_PANED (paned), 0);
-
- return paned->child1_size;
-}
-
-void
-e_paned_set_position (EPaned *paned,
- gint position)
-{
- g_return_if_fail (paned != NULL);
- g_return_if_fail (E_IS_PANED (paned));
-
- if (position >= 0)
- {
- /* We don't clamp here - the assumption is that
- * if the total allocation changes at the same time
- * as the position, the position set is with reference
- * to the new total size. If only the position changes,
- * then clamping will occur in e_paned_compute_position()
- */
- paned->child1_size = position;
- paned->position_set = TRUE;
- }
- else
- {
- paned->position_set = FALSE;
- }
-
- gtk_widget_queue_resize (GTK_WIDGET (paned));
-}
-
-void
-e_paned_set_handle_size (EPaned *paned,
- guint16 size)
-{
- g_return_if_fail (paned != NULL);
- g_return_if_fail (E_IS_PANED (paned));
-
- gtk_widget_queue_resize (GTK_WIDGET (paned));
-
- paned->handle_size = size;
-}
-
-void
-e_paned_compute_position(EPaned *paned,
- gint allocation,
- gint child1_req,
- gint child2_req)
-{
- g_return_if_fail (paned != NULL);
- g_return_if_fail (E_IS_PANED (paned));
-
- if (e_paned_handle_shown(paned))
- allocation -= (gint) paned->handle_size;
-
- paned->min_position = paned->child1_shrink ? 0 : child1_req;
-
- paned->max_position = allocation;
- if (!paned->child2_shrink)
- paned->max_position = MAX (1, paned->max_position - child2_req);
-
- if (!paned->position_set)
- {
- if (paned->child1_resize && !paned->child2_resize)
- paned->child1_size = MAX (1, allocation - child2_req);
- else if (!paned->child1_resize && paned->child2_resize)
- paned->child1_size = child1_req;
- else if (child1_req + child2_req != 0)
- paned->child1_size = allocation * ((gdouble)child1_req / (child1_req + child2_req));
- else
- paned->child1_size = allocation * 0.5;
- }
- else
- {
- /* If the position was set before the initial allocation.
- * (paned->last_allocation <= 0) just clamp it and leave it.
- */
- if (paned->last_allocation > 0)
- {
- if (paned->child1_resize && !paned->child2_resize)
- paned->child1_size += allocation - paned->last_allocation;
- else if (!(!paned->child1_resize && paned->child2_resize))
- paned->child1_size = allocation * ((gdouble) paned->child1_size / (paned->last_allocation));
- }
- }
-
- paned->child1_size = CLAMP (paned->child1_size,
- paned->min_position,
- paned->max_position);
-
- paned->last_allocation = allocation;
-}
-
-gboolean
-e_paned_handle_shown(EPaned *paned)
-{
- EPanedClass *klass = E_PANED_CLASS(GTK_OBJECT(paned)->klass);
- if (klass->handle_shown)
- return (*klass->handle_shown)(paned);
- else
- return TRUE;
-}
-
-gint
-e_paned_quantized_size(EPaned *paned,
- gint size)
-{
- gint quantization = size - paned->old_child1_size;
- if (quantization > 0)
- quantization += paned->quantum / 2;
- else
- quantization -= paned->quantum / 2;
- quantization /= paned->quantum;
- quantization *= paned->quantum;
- return paned->old_child1_size + quantization;
-}