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Diffstat (limited to 'widgets/e-paned/e-paned.c')
| -rw-r--r-- | widgets/e-paned/e-paned.c | 634 |
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; -} |