aboutsummaryrefslogtreecommitdiffstats
path: root/widgets/shortcut-bar/e-group-bar.c
diff options
context:
space:
mode:
Diffstat (limited to 'widgets/shortcut-bar/e-group-bar.c')
-rw-r--r--widgets/shortcut-bar/e-group-bar.c1496
1 files changed, 0 insertions, 1496 deletions
diff --git a/widgets/shortcut-bar/e-group-bar.c b/widgets/shortcut-bar/e-group-bar.c
deleted file mode 100644
index de6c0cbbaf..0000000000
--- a/widgets/shortcut-bar/e-group-bar.c
+++ /dev/null
@@ -1,1496 +0,0 @@
-/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
-
-/*
- * Author :
- * Damon Chaplin <damon@helixcode.com>
- *
- * Copyright 1999, Helix Code, Inc.
- *
- * 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 2 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, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
- * USA
- */
-
-/*
- * ShortcutBar displays a vertical bar with a number of Groups, each of which
- * contains any number of icons. It is used on the left of the main application
- * window so users can easily access items such as folders and files.
- */
-
-#include <math.h>
-
-#include <gnome.h>
-
-#include "e-group-bar.h"
-
-#define E_GROUP_BAR_SCROLL_TIMEOUT 10
-#define E_GROUP_BAR_MIN_STEP_SIZE 4
-
-#define E_GROUP_BAR_AUTO_SHOW_TIMEOUT 300
-
-
-static void e_group_bar_class_init (EGroupBarClass *class);
-static void e_group_bar_init (EGroupBar *group_bar);
-static void e_group_bar_destroy (GtkObject *object);
-static void e_group_bar_realize (GtkWidget *widget);
-static void e_group_bar_unrealize (GtkWidget *widget);
-static void e_group_bar_map (GtkWidget *widget);
-static void e_group_bar_unmap (GtkWidget *widget);
-static void e_group_bar_size_request (GtkWidget *widget,
- GtkRequisition *requisition);
-static void e_group_bar_size_allocate (GtkWidget *widget,
- GtkAllocation *allocation);
-static gint e_group_bar_expose (GtkWidget *widget,
- GdkEventExpose *event);
-static void e_group_bar_draw (GtkWidget *widget,
- GdkRectangle *area);
-static void e_group_bar_add (GtkContainer *container,
- GtkWidget *widget);
-static void e_group_bar_remove (GtkContainer *container,
- GtkWidget *widget);
-static void e_group_bar_forall (GtkContainer *container,
- gboolean include_internals,
- GtkCallback callback,
- gpointer callback_data);
-
-static void e_group_bar_create_group_button_window (EGroupBar *group_bar,
- gint group_num);
-static void e_group_bar_create_group_child_window (EGroupBar *group_bar,
- gint group_num);
-static gint e_group_bar_get_group_button_position (EGroupBar *group_bar,
- gint group_num);
-static gint e_group_bar_sum_button_heights (EGroupBar *group_bar,
- gint first,
- gint last);
-static gint e_group_bar_get_child_height (EGroupBar *group_bar);
-static gint e_group_bar_get_group_child_position (EGroupBar *group_bar,
- gint group_num);
-
-static void e_group_bar_on_button_clicked (GtkWidget *group_button,
- EGroupBar *group_bar);
-static gint e_group_bar_find_button (EGroupBar *group_bar,
- GtkWidget *group_button);
-static void e_group_bar_start_animation (EGroupBar *group_bar,
- gint group_num);
-static gboolean e_group_bar_timeout_handler (gpointer data);
-static gint e_group_bar_get_increment (EGroupBar *group_bar,
- gint window_y,
- gint window_target_y);
-static gboolean e_group_bar_on_button_drag_motion (GtkWidget *widget,
- GdkDragContext *context,
- gint x,
- gint y,
- guint time,
- EGroupBar *group_bar);
-static void e_group_bar_on_button_drag_leave (GtkWidget *widget,
- GdkDragContext *context,
- guint time,
- EGroupBar *group_bar);
-static gboolean e_group_bar_auto_show (gpointer data);
-static void e_group_bar_stop_all_animation (EGroupBar *group_bar);
-
-
-static GtkContainerClass *parent_class;
-
-
-GtkType
-e_group_bar_get_type (void)
-{
- static GtkType e_group_bar_type = 0;
-
- if (!e_group_bar_type){
- GtkTypeInfo e_group_bar_info = {
- "EGroupBar",
- sizeof (EGroupBar),
- sizeof (EGroupBarClass),
- (GtkClassInitFunc) e_group_bar_class_init,
- (GtkObjectInitFunc) e_group_bar_init,
- NULL, /* reserved 1 */
- NULL, /* reserved 2 */
- (GtkClassInitFunc) NULL
- };
-
- parent_class = gtk_type_class (GTK_TYPE_CONTAINER);
- e_group_bar_type = gtk_type_unique (GTK_TYPE_CONTAINER,
- &e_group_bar_info);
- }
-
- return e_group_bar_type;
-}
-
-
-static void
-e_group_bar_class_init (EGroupBarClass *class)
-{
- GtkObjectClass *object_class;
- GtkWidgetClass *widget_class;
- GtkContainerClass *container_class;
-
- object_class = (GtkObjectClass *) class;
- widget_class = (GtkWidgetClass *) class;
- container_class = (GtkContainerClass *) class;
-
- /* Method override */
- object_class->destroy = e_group_bar_destroy;
-
- widget_class->realize = e_group_bar_realize;
- widget_class->unrealize = e_group_bar_unrealize;
- widget_class->map = e_group_bar_map;
- widget_class->unmap = e_group_bar_unmap;
- widget_class->size_request = e_group_bar_size_request;
- widget_class->size_allocate = e_group_bar_size_allocate;
- widget_class->expose_event = e_group_bar_expose;
- widget_class->draw = e_group_bar_draw;
-
- container_class->add = e_group_bar_add;
- container_class->remove = e_group_bar_remove;
- container_class->forall = e_group_bar_forall;
-}
-
-
-static void
-e_group_bar_init (EGroupBar *group_bar)
-{
-
- GTK_WIDGET_UNSET_FLAGS (group_bar, GTK_NO_WINDOW);
-
- /* We don't want child resizes to propagate up to the parent. */
- gtk_container_set_resize_mode (GTK_CONTAINER (group_bar),
- GTK_RESIZE_QUEUE);
-
- group_bar->children = g_array_new (FALSE, FALSE,
- sizeof (EGroupBarChild));
-
- group_bar->current_group_num = -1;
- group_bar->buttons_homogeneous = TRUE;
- group_bar->max_button_height = 0;
- group_bar->animation_timeout_id = 0;
-}
-
-
-/**
- * e_group_bar_new:
- * @Returns: a new #EGroupBar.
- *
- * Creates a new #EGroupBar.
- **/
-GtkWidget *
-e_group_bar_new (void)
-{
- GtkWidget *group_bar;
-
- group_bar = GTK_WIDGET (gtk_type_new (e_group_bar_get_type ()));
-
- return group_bar;
-}
-
-
-static void
-e_group_bar_destroy (GtkObject *object)
-{
- EGroupBar *group_bar;
-
- group_bar = E_GROUP_BAR (object);
-
- e_group_bar_stop_all_animation (group_bar);
-
- /* The parent GtkContainer class will automatically destroy all the
- child widgets, but it calls gtk_container_foreach() so we must not
- destroy our children array until after. */
- GTK_OBJECT_CLASS (parent_class)->destroy (object);
-
- g_array_free (group_bar->children, TRUE);
-}
-
-
-static void
-e_group_bar_realize (GtkWidget *widget)
-{
- EGroupBar *group_bar;
- EGroupBarChild *group;
- GdkWindowAttr attributes;
- gint attributes_mask;
- gint border_width, group_num;
-
- g_return_if_fail (widget != NULL);
- g_return_if_fail (E_IS_GROUP_BAR (widget));
-
- group_bar = E_GROUP_BAR (widget);
- GTK_WIDGET_SET_FLAGS (widget, GTK_REALIZED);
-
- border_width = GTK_CONTAINER (group_bar)->border_width;
-
- attributes.window_type = GDK_WINDOW_CHILD;
- attributes.x = widget->allocation.x + border_width;
- attributes.y = widget->allocation.y + border_width;
- attributes.width = widget->allocation.width - 2 * border_width;
- attributes.height = widget->allocation.height - 2 * border_width;
- 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);
- attributes.event_mask |= (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, widget);
-
- widget->style = gtk_style_attach (widget->style, widget->window);
- gtk_style_set_background (widget->style, widget->window,
- GTK_STATE_NORMAL);
-
- gdk_window_set_back_pixmap (widget->window, NULL, TRUE);
-
- /* Create windows for all the buttons & group canvases. */
- for (group_num = 0;
- group_num < group_bar->children->len;
- group_num++) {
- group = &g_array_index (group_bar->children,
- EGroupBarChild, group_num);
- e_group_bar_create_group_button_window (group_bar, group_num);
- e_group_bar_create_group_child_window (group_bar, group_num);
- }
-}
-
-
-static void
-e_group_bar_unrealize (GtkWidget *widget)
-{
- EGroupBar *group_bar;
- EGroupBarChild *group;
- gint group_num;
-
- g_return_if_fail (widget != NULL);
- g_return_if_fail (E_IS_GROUP_BAR (widget));
-
- group_bar = E_GROUP_BAR (widget);
-
- /* Destroy the windows for all the buttons & group canvases. */
- for (group_num = 0;
- group_num < group_bar->children->len;
- group_num++) {
- group = &g_array_index (group_bar->children,
- EGroupBarChild, group_num);
-
- if (group->button_window) {
- gdk_window_set_user_data (group->button_window, NULL);
- gdk_window_destroy (group->button_window);
- group->button_window = NULL;
- }
- if (group->child_window) {
- gdk_window_set_user_data (group->child_window, NULL);
- gdk_window_destroy (group->child_window);
- group->child_window = NULL;
- }
- }
-
- if (GTK_WIDGET_CLASS (parent_class)->unrealize)
- (* GTK_WIDGET_CLASS (parent_class)->unrealize) (widget);
-}
-
-
-static void
-e_group_bar_map (GtkWidget *widget)
-{
- EGroupBar *group_bar;
- EGroupBarChild *group;
- gint group_num;
-
- g_return_if_fail (widget != NULL);
- g_return_if_fail (E_IS_GROUP_BAR (widget));
-
- group_bar = E_GROUP_BAR (widget);
-
- GTK_WIDGET_SET_FLAGS (widget, GTK_MAPPED);
-
- /* We do this in reverse order, and lower all the child windows, so
- the stacking order ends up correct. */
- for (group_num = group_bar->children->len - 1;
- group_num >= 0;
- group_num--) {
- group = &g_array_index (group_bar->children,
- EGroupBarChild, group_num);
-
- if (group->button_window) {
- gdk_window_show (group->button_window);
- }
-
- if (group->button
- && GTK_WIDGET_VISIBLE (group->button)
- && !GTK_WIDGET_MAPPED (group->button)) {
- gtk_widget_map (group->button);
- }
-
- if (group->child_window) {
- gdk_window_show (group->child_window);
- gdk_window_lower (group->child_window);
- }
-
- if (group->child
- && GTK_WIDGET_VISIBLE (group->child)
- && !GTK_WIDGET_MAPPED (group->child))
- gtk_widget_map (group->child);
- }
-
- gdk_window_show (widget->window);
-}
-
-
-static void
-e_group_bar_unmap (GtkWidget *widget)
-{
- EGroupBar *group_bar;
- EGroupBarChild *group;
- gint group_num;
-
- g_return_if_fail (widget != NULL);
- g_return_if_fail (E_IS_GROUP_BAR (widget));
-
- group_bar = E_GROUP_BAR (widget);
-
- GTK_WIDGET_UNSET_FLAGS (widget, GTK_MAPPED);
-
- for (group_num = 0;
- group_num < group_bar->children->len;
- group_num++) {
- group = &g_array_index (group_bar->children,
- EGroupBarChild, group_num);
-
- if (group->button_window) {
- gdk_window_hide (group->button_window);
- }
-
- if (group->button
- && GTK_WIDGET_MAPPED (group->button))
- gtk_widget_unmap (group->button);
-
- if (group->child_window) {
- gdk_window_hide (group->child_window);
- }
-
- if (group->child
- && GTK_WIDGET_MAPPED (group->child))
- gtk_widget_unmap (group->child);
- }
-
- gdk_window_hide (widget->window);
-}
-
-
-static void
-e_group_bar_size_request (GtkWidget *widget,
- GtkRequisition *requisition)
-{
- EGroupBar *group_bar;
- EGroupBarChild *group;
- gint group_num, max_child_height;
- GtkRequisition child_requisition;
-
- g_return_if_fail (widget != NULL);
- g_return_if_fail (E_IS_GROUP_BAR (widget));
- g_return_if_fail (requisition != NULL);
-
- group_bar = E_GROUP_BAR (widget);
-
- /* We set the requisition width to the largest requested width of the
- child widgets. The requisition height is set to the sum of all the
- button heights plus the height of the largest child. */
- requisition->width = 0;
- requisition->height = 0;
-
- /* We have to call size_request on all children, even though we don't
- use the results, since some widgets like GtkLabel depend on it. */
- group_bar->max_button_height = 0;
- max_child_height = 0;
- for (group_num = 0;
- group_num < group_bar->children->len;
- group_num++) {
- group = &g_array_index (group_bar->children,
- EGroupBarChild, group_num);
-
- if (group->button) {
- gtk_widget_size_request (group->button,
- &child_requisition);
- group->button_height = child_requisition.height;
- } else {
- group->button_height = 0;
- }
-
- group_bar->max_button_height = MAX (group_bar->max_button_height, group->button_height);
- requisition->height += child_requisition.height;
-
- if (group->child) {
- gtk_widget_size_request (group->child,
- &child_requisition);
- max_child_height = MAX (max_child_height,
- child_requisition.height);
- requisition->width = MAX (requisition->width,
- child_requisition.width);
- }
- }
-
- requisition->height += max_child_height;
-
- /* Add on the standard container border widths. */
- requisition->width += GTK_CONTAINER (widget)->border_width * 2;
- requisition->height += GTK_CONTAINER (widget)->border_width * 2;
-}
-
-
-static void
-e_group_bar_size_allocate (GtkWidget *widget, GtkAllocation *allocation)
-{
- EGroupBar *group_bar;
- EGroupBarChild *group;
- gint group_num, border_width, width, height, child_height, y;
- GtkAllocation button_allocation, child_allocation;
-
- group_bar = E_GROUP_BAR (widget);
-
- /* All child & button windows and widgets use the same width as the
- group bar minus the border width. */
- border_width = GTK_CONTAINER (widget)->border_width;
- width = allocation->width - border_width * 2;
- height = allocation->height - border_width * 2;
-
- widget->allocation = *allocation;
- if (GTK_WIDGET_REALIZED (widget))
- gdk_window_move_resize (widget->window,
- allocation->x + border_width,
- allocation->y + border_width,
- width, height);
-
- /* All the child widgets use the same height. */
- child_height = e_group_bar_get_child_height (group_bar);
-
- /* The buttons are always in the top-left of the button windows, and
- all have the same width. The height is calculated for each group. */
- button_allocation.x = 0;
- button_allocation.y = 0;
- button_allocation.width = width;
-
- /* The child widgets are always in the top-left of the child windows,
- and all have the same width and height. */
- child_allocation.x = 0;
- child_allocation.y = 0;
- child_allocation.width = width;
- child_allocation.height = child_height;
-
- /* Step through the groups, placing the windows as necessary, and
- allocating the areas for the child widgets. Note that if a button
- or child window is in the middle of an animation, we just resize it
- and update the target position, and let the animation continue. */
- for (group_num = 0;
- group_num < group_bar->children->len;
- group_num++) {
- group = &g_array_index (group_bar->children,
- EGroupBarChild, group_num);
-
- /* Calculate the y position of the button, which depends on
- the currently selected group and the button heights. */
- y = e_group_bar_get_group_button_position (group_bar, group_num);
- button_allocation.height = group_bar->buttons_homogeneous ? group_bar->max_button_height : group->button_height;
-
- if (GTK_WIDGET_REALIZED (group->button)) {
- if (group->button_window_in_animation) {
- gdk_window_resize (group->button_window,
- width, button_allocation.height);
- group->button_window_target_y = y;
- } else {
- gdk_window_move_resize (group->button_window,
- 0, y, width, button_allocation.height);
- }
- }
- gtk_widget_size_allocate (group->button, &button_allocation);
-
- if (GTK_WIDGET_REALIZED (group->child)) {
- if (group->child_window_in_animation) {
- gdk_window_resize (group->child_window,
- width, child_height);
- group->child_window_target_y = y + button_allocation.height;
- } else {
- gdk_window_move_resize (group->child_window,
- 0, y + button_allocation.height,
- width, child_height);
- }
- }
- gtk_widget_size_allocate (group->child, &child_allocation);
- }
-}
-
-
-static gint
-e_group_bar_expose (GtkWidget *widget,
- GdkEventExpose *event)
-{
- EGroupBar *group_bar;
- EGroupBarChild *group;
- GdkEventExpose child_event;
- gint group_num;
-
- g_return_val_if_fail (widget != NULL, FALSE);
- g_return_val_if_fail (E_IS_GROUP_BAR (widget), FALSE);
- g_return_val_if_fail (event != NULL, FALSE);
-
- if (GTK_WIDGET_DRAWABLE (widget)) {
- group_bar = E_GROUP_BAR (widget);
-
- child_event = *event;
-
- for (group_num = 0;
- group_num < group_bar->children->len;
- group_num++) {
- group = &g_array_index (group_bar->children,
- EGroupBarChild, group_num);
-
- if (event->window == group->button_window
- && GTK_WIDGET_DRAWABLE (group->button)
- && GTK_WIDGET_NO_WINDOW (group->button)
- && gtk_widget_intersect (group->button, &event->area, &child_event.area))
- gtk_widget_event (group->button, (GdkEvent*) &child_event);
-
- if (event->window == group->child_window
- && GTK_WIDGET_DRAWABLE (group->child)
- && GTK_WIDGET_NO_WINDOW (group->child)
- && gtk_widget_intersect (group->child, &event->area, &child_event.area))
- gtk_widget_event (group->child, (GdkEvent*) &child_event);
- }
- }
-
- return FALSE;
-}
-
-
-static void
-e_group_bar_draw (GtkWidget *widget,
- GdkRectangle *area)
-{
- EGroupBar *group_bar;
- EGroupBarChild *group;
- gint group_num;
- GdkRectangle child_area;
-
- g_return_if_fail (widget != NULL);
- g_return_if_fail (E_IS_GROUP_BAR (widget));
-
- if (GTK_WIDGET_DRAWABLE (widget)) {
- group_bar = E_GROUP_BAR (widget);
-
- for (group_num = 0;
- group_num < group_bar->children->len;
- group_num++) {
- group = &g_array_index (group_bar->children,
- EGroupBarChild, group_num);
-
- if (GTK_WIDGET_DRAWABLE (group->button)
- && gtk_widget_intersect (group->button, area, &child_area))
- gtk_widget_draw (group->button, &child_area);
-
- if (GTK_WIDGET_DRAWABLE (group->child)
- && gtk_widget_intersect (group->child, area, &child_area))
- gtk_widget_draw (group->child, &child_area);
- }
- }
-}
-
-
-static void
-e_group_bar_add (GtkContainer *container,
- GtkWidget *widget)
-{
- EGroupBar *group_bar;
- GtkWidget *button;
- gchar buffer[32];
-
- g_return_if_fail (container != NULL);
- g_return_if_fail (E_IS_GROUP_BAR (container));
- g_return_if_fail (widget != NULL);
-
- g_snprintf (buffer, sizeof (buffer), _("Group %i"),
- group_bar->children->len + 1);
- button = gtk_button_new_with_label (buffer);
- gtk_widget_show (button);
-
- e_group_bar_add_group (group_bar, widget, button, -1);
-}
-
-
-static void
-e_group_bar_remove (GtkContainer *container,
- GtkWidget *widget)
-{
- EGroupBar *group_bar;
- gint group_num;
-
- g_return_if_fail (container != NULL);
- g_return_if_fail (E_IS_GROUP_BAR (container));
- g_return_if_fail (widget != NULL);
-
- group_bar = E_GROUP_BAR (container);
-
- group_num = e_group_bar_get_group_num (group_bar, widget);
- e_group_bar_remove_group (group_bar, group_num);
-}
-
-
-static void
-e_group_bar_forall (GtkContainer *container,
- gboolean include_internals,
- GtkCallback callback,
- gpointer callback_data)
-{
- EGroupBar *group_bar;
- EGroupBarChild *group;
- gint group_num;
- GList *tmp_list;
-
- g_return_if_fail (container != NULL);
- g_return_if_fail (E_IS_GROUP_BAR (container));
- g_return_if_fail (callback != NULL);
-
- group_bar = E_GROUP_BAR (container);
-
- /* Note that drag-and-drop does not check the Z-order of widgets, so
- we have to iterate through them from top to bottom, or it will
- not work properly. We also have to use temporary lists so widgets
- can be safely destroyed while iterating. */
-
- if (include_internals) {
- tmp_list = NULL;
- for (group_num = group_bar->children->len - 1;
- group_num >= 0;
- group_num--) {
- group = &g_array_index (group_bar->children,
- EGroupBarChild, group_num);
-
- if (group->button)
- tmp_list = g_list_prepend (tmp_list,
- group->button);
- }
-
- g_list_foreach (tmp_list, (GFunc) callback, callback_data);
- g_list_free (tmp_list);
- }
-
- tmp_list = NULL;
- for (group_num = 0;
- group_num < group_bar->children->len;
- group_num++) {
- group = &g_array_index (group_bar->children,
- EGroupBarChild, group_num);
-
- if (group->child)
- tmp_list = g_list_prepend (tmp_list, group->child);
- }
- g_list_foreach (tmp_list, (GFunc) callback, callback_data);
- g_list_free (tmp_list);
-}
-
-
-static void
-e_group_bar_create_group_button_window (EGroupBar *group_bar,
- gint group_num)
-{
- EGroupBarChild *group;
- GtkWidget *widget;
- GdkWindowAttr attributes;
- gint attributes_mask;
- gint y, height, border_width;
-
- widget = GTK_WIDGET (group_bar);
-
- group = &g_array_index (group_bar->children,
- EGroupBarChild, group_num);
- y = e_group_bar_get_group_button_position (group_bar, group_num);
- height = group_bar->buttons_homogeneous ? group_bar->max_button_height
- : group->button_height;
- border_width = GTK_CONTAINER (group_bar)->border_width;
-
- attributes.window_type = GDK_WINDOW_CHILD;
- attributes.x = 0;
- attributes.y = y;
- attributes.width = widget->allocation.width - 2 * border_width;
- attributes.height = height;
- 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);
- attributes.event_mask |= (GDK_EXPOSURE_MASK);
-
- attributes_mask = GDK_WA_X | GDK_WA_Y
- | GDK_WA_VISUAL | GDK_WA_COLORMAP;
-
- group->button_window = gdk_window_new (widget->window, &attributes,
- attributes_mask);
- gdk_window_set_user_data (group->button_window, widget);
-
- gtk_widget_set_parent_window (group->button,
- group->button_window);
- gdk_window_set_back_pixmap (group->button_window, NULL, TRUE);
-}
-
-
-static void
-e_group_bar_create_group_child_window (EGroupBar *group_bar,
- gint group_num)
-{
- EGroupBarChild *group;
- GtkWidget *widget;
- GdkWindowAttr attributes;
- gint attributes_mask;
- gint y, height, border_width;
-
- widget = GTK_WIDGET (group_bar);
-
- group = &g_array_index (group_bar->children,
- EGroupBarChild, group_num);
- y = e_group_bar_get_group_button_position (group_bar, group_num);
- y += group_bar->buttons_homogeneous ? group_bar->max_button_height
- : group->button_height;
- height = e_group_bar_get_child_height (group_bar);
- border_width = GTK_CONTAINER (group_bar)->border_width;
-
- attributes.window_type = GDK_WINDOW_CHILD;
- attributes.x = 0;
- attributes.y = y;
- attributes.width = widget->allocation.width - 2 * border_width;
- attributes.height = height;
- 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);
- attributes.event_mask |= (GDK_EXPOSURE_MASK);
-
- attributes_mask = GDK_WA_X | GDK_WA_Y
- | GDK_WA_VISUAL | GDK_WA_COLORMAP;
-
- group->child_window = gdk_window_new (widget->window, &attributes,
- attributes_mask);
- gdk_window_set_user_data (group->child_window, widget);
-
- gtk_widget_set_parent_window (GTK_WIDGET (group->child),
- group->child_window);
- gdk_window_set_back_pixmap (group->child_window, NULL, TRUE);
-}
-
-
-/* This returns the y position of a group's button within the EGroupBar window.
- */
-static gint
-e_group_bar_get_group_button_position (EGroupBar *group_bar,
- gint group_num)
-{
- gint border_width, window_height, y;
-
- border_width = GTK_CONTAINER (group_bar)->border_width;
- window_height = GTK_WIDGET (group_bar)->allocation.height - 2 * border_width;
-
- if (group_num <= group_bar->current_group_num)
- y = e_group_bar_sum_button_heights (group_bar, 0, group_num - 1);
- else
- y = window_height - e_group_bar_sum_button_heights (group_bar, group_num, group_bar->children->len - 1);
-
- return y;
-}
-
-
-/* This returns the sum of all the buttons from first to last inclusive. */
-static gint
-e_group_bar_sum_button_heights (EGroupBar *group_bar, gint first, gint last)
-{
- EGroupBarChild *group;
- gint height, group_num;
-
- height = 0;
-
- if (group_bar->buttons_homogeneous)
- return (last - first + 1) * group_bar->max_button_height;
-
- for (group_num = first; group_num <= last; group_num++) {
- group = &g_array_index (group_bar->children,
- EGroupBarChild, group_num);
- height += group->button_height;
- }
-
- return height;
-}
-
-
-static gint
-e_group_bar_get_group_child_position (EGroupBar *group_bar,
- gint group_num)
-{
- EGroupBarChild *group;
- gint y;
-
- y = e_group_bar_get_group_button_position (group_bar, group_num);
- group = &g_array_index (group_bar->children,
- EGroupBarChild, group_num);
- y += group_bar->buttons_homogeneous ? group_bar->max_button_height
- : group->button_height;
-
- return y;
-}
-
-
-static gint
-e_group_bar_get_child_height (EGroupBar *group_bar)
-{
- EGroupBarChild *group;
- gint group_num;
-
- /* Start with the allocated height of the EGroupBar, less the border.*/
- group_bar->child_height = GTK_WIDGET (group_bar)->allocation.height;
- group_bar->child_height -= 2 * GTK_CONTAINER (group_bar)->border_width;
-
- /* Now subtract the heights of all the buttons. */
- if (group_bar->buttons_homogeneous) {
- group_bar->child_height -= group_bar->children->len * group_bar->max_button_height;
- } else {
- for (group_num = 0;
- group_num < group_bar->children->len;
- group_num++) {
- group = &g_array_index (group_bar->children,
- EGroupBarChild, group_num);
- group_bar->child_height -= group->button_height;
- }
- }
-
- return group_bar->child_height;
-}
-
-
-/*
- * Insertion, reordering and deletion of items.
- */
-
-/**
- * e_group_bar_add_group:
- * @group_bar: an #EGroupBar.
- * @child: the child widget to add.
- * @button: the button used to show the child widget.
- * @position: the new group's position, or -1 to place it last.
- * @Returns: the position of the new group.
- *
- * Adds a new group to a #EGroupBar at the given position.
- **/
-gint
-e_group_bar_add_group (EGroupBar *group_bar,
- GtkWidget *child,
- GtkWidget *button,
- gint position)
-{
- EGroupBarChild *group, empty_group, *tmp_group;
- gint group_num, tmp_group_num;
-
- g_return_val_if_fail (group_bar != NULL, -1);
- g_return_val_if_fail (E_IS_GROUP_BAR (group_bar), -1);
- g_return_val_if_fail (child != NULL, -1);
- g_return_val_if_fail (button != NULL, -1);
- g_return_val_if_fail (GTK_IS_BUTTON (button), -1);
-
- /* Append an empty group to the children array and get a pointer to
- it, so we can use it like a normal group. */
- group_num = group_bar->children->len;
- g_array_append_val (group_bar->children, empty_group);
- group = &g_array_index (group_bar->children,
- EGroupBarChild, group_num);
-
- /* Initialize the group. */
- group->button = button;
- group->button_window = NULL;
- group->child = child;
- group->child_window = NULL;
- group->button_window_in_animation = FALSE;
- group->child_window_in_animation = FALSE;
- group->button_window_target_y = 0;
- group->child_window_target_y = 0;
-
- /* If we don't have a current group, set it to the first one. */
- if (group_bar->current_group_num == -1)
- group_bar->current_group_num = 0;
-
- /* If the EGroupBar widget is realize, we need to create the child
- windows to put the button & child in. */
- if (GTK_WIDGET_REALIZED (group_bar)) {
- e_group_bar_create_group_button_window (group_bar, group_num);
- e_group_bar_create_group_child_window (group_bar, group_num);
-
- /* We need to lower all the child windows of the previous
- groups, in reverse order, to keep the stacking order
- correct. */
- for (tmp_group_num = group_num - 1;
- tmp_group_num >= 0;
- tmp_group_num--) {
- tmp_group = &g_array_index (group_bar->children,
- EGroupBarChild,
- tmp_group_num);
- gdk_window_lower (group->child_window);
- }
- }
-
- gtk_widget_set_parent (group->button, GTK_WIDGET (group_bar));
- gtk_widget_set_parent (group->child, GTK_WIDGET (group_bar));
-
- if (GTK_WIDGET_REALIZED (group_bar)) {
- gtk_widget_realize (group->button);
- gtk_widget_realize (group->child);
- }
-
- if (GTK_WIDGET_VISIBLE (group_bar)
- && GTK_WIDGET_MAPPED (group_bar)) {
- if (group->button
- && GTK_WIDGET_VISIBLE (group->button)
- && !GTK_WIDGET_MAPPED (group->button)) {
- gtk_widget_map (group->button);
- gtk_widget_queue_resize (group->button);
- }
- if (group->child
- && GTK_WIDGET_VISIBLE (group->child)
- && !GTK_WIDGET_MAPPED (group->child)) {
- gtk_widget_map (group->child);
- gtk_widget_queue_resize (group->child);
- }
- }
-
- gtk_signal_connect (GTK_OBJECT (group->button), "clicked",
- GTK_SIGNAL_FUNC (e_group_bar_on_button_clicked),
- group_bar);
-
- gtk_signal_connect (GTK_OBJECT (group->button), "drag_motion",
- GTK_SIGNAL_FUNC (e_group_bar_on_button_drag_motion),
- group_bar);
- gtk_signal_connect (GTK_OBJECT (group->button), "drag_leave",
- GTK_SIGNAL_FUNC (e_group_bar_on_button_drag_leave),
- group_bar);
-
- return group_num;
-}
-
-
-/**
- * e_group_bar_reorder_group:
- * @group_bar: an #EGroupBar.
- * @group_num: the index of the group to move.
- * @new_position: the new position of the group.
- *
- * Moves a group to a new position within the #EGroupBar.
- **/
-void
-e_group_bar_reorder_group (EGroupBar *group_bar,
- gint group_num,
- gint new_position)
-{
- g_return_if_fail (E_IS_GROUP_BAR (group_bar));
-
-}
-
-
-/**
- * e_group_bar_remove_group:
- * @group_bar: an #EGroupBar.
- * @group_num: the index of the group to remove.
- *
- * Removes a group from an #EGroupBar.
- **/
-void
-e_group_bar_remove_group (EGroupBar *group_bar,
- gint group_num)
-{
- EGroupBarChild *group;
-
- g_return_if_fail (E_IS_GROUP_BAR (group_bar));
- g_return_if_fail (group_num >= 0);
- g_return_if_fail (group_num < group_bar->children->len);
-
- group = &g_array_index (group_bar->children,
- EGroupBarChild, group_num);
-
- /* Stop any animation. */
- e_group_bar_stop_all_animation (group_bar);
-
- gtk_widget_unparent (group->child);
- if (group->button)
- gtk_widget_unparent (group->button);
-
- if (group->button_window) {
- gdk_window_set_user_data (group->button_window, NULL);
- gdk_window_destroy (group->button_window);
- }
- if (group->child_window) {
- gdk_window_set_user_data (group->child_window, NULL);
- gdk_window_destroy (group->child_window);
- }
-
- g_array_remove_index (group_bar->children, group_num);
-
- /* Make sure the current group is valid. */
- if (group_bar->current_group_num >= group_bar->children->len)
- group_bar->current_group_num = group_bar->children->len - 1;
-
- gtk_widget_queue_resize (GTK_WIDGET (group_bar));
-}
-
-
-/*
- * Getting & setting the current group.
- */
-
-/**
- * e_group_bar_get_current_group_num:
- * @group_bar: an #EGroupBar.
- * @Returns: the index of the group currently displayed.
- *
- * Returns the index of the group currently displayed.
- **/
-gint
-e_group_bar_get_current_group_num (EGroupBar *group_bar)
-{
- g_return_val_if_fail (E_IS_GROUP_BAR (group_bar), -1);
-
- return group_bar->current_group_num;
-}
-
-
-/**
- * e_group_bar_set_current_group_num:
- * @group_bar: an #EGroupBar.
- * @Returns: the index of the group to display.
- *
- * Sets the group to display.
- **/
-/* FIXME: animate option? May want to set group without animation. */
-void
-e_group_bar_set_current_group_num (EGroupBar *group_bar,
- gint group_num)
-{
- g_return_if_fail (E_IS_GROUP_BAR (group_bar));
-
- /* If that already is the current group, just return. */
- if (group_bar->current_group_num == group_num)
- return;
-
- /* FIXME: Set the target positions of the old current group and the
- new current group, map the new group's child window, and create the
- animation timeout, if we haven't already got one. */
-
- group_bar->current_group_num = group_num;
-
-}
-
-
-/*
- * Getting groups and group numbers.
- */
-
-/**
- * e_group_bar_get_nth_group:
- * @group_bar: an #EGroupBar.
- * @group_num: the index of the group to get.
- * @Returns: the child widget at the given index.
- *
- * Returns the child widget at the given index.
- **/
-GtkWidget*
-e_group_bar_get_nth_group (EGroupBar *group_bar,
- gint group_num)
-{
- EGroupBarChild *group;
-
- g_return_val_if_fail (E_IS_GROUP_BAR (group_bar), NULL);
- g_return_val_if_fail (group_num >= 0, NULL);
- g_return_val_if_fail (group_num < group_bar->children->len, NULL);
-
- group = &g_array_index (group_bar->children,
- EGroupBarChild, group_num);
- return group->child;
-}
-
-
-/**
- * e_group_bar_get_group_num:
- * @group_bar: an #EGroupBar.
- * @child: the child widget to find.
- * @Returns: the index of the group containing the given widget.
- *
- * Returns the index of the group containing the given child widget.
- **/
-gint
-e_group_bar_get_group_num (EGroupBar *group_bar,
- GtkWidget *child)
-{
- EGroupBarChild *group;
- gint group_num;
-
- g_return_val_if_fail (E_IS_GROUP_BAR (group_bar), -1);
- g_return_val_if_fail (child != NULL, -1);
-
- for (group_num = 0;
- group_num < group_bar->children->len;
- group_num++) {
- group = &g_array_index (group_bar->children,
- EGroupBarChild, group_num);
-
- if (group->child == child)
- return group_num;
- }
-
- return -1;
-}
-
-
-/**
- * e_group_bar_set_group_button_label:
- * @group_bar: an #EGroupBar.
- * @group_num: the index of the group.
- * @label: the label widget to place in the group's button.
- *
- * Sets the label widget for the given group's button, replacing any existing
- * widget in the button.
- **/
-void
-e_group_bar_set_group_button_label (EGroupBar *group_bar,
- gint group_num,
- GtkWidget *label)
-{
- EGroupBarChild *group;
- GtkWidget *button_child;
-
- g_return_if_fail (E_IS_GROUP_BAR (group_bar));
- g_return_if_fail (group_num >= 0);
- g_return_if_fail (group_num < group_bar->children->len);
-
- group = &g_array_index (group_bar->children,
- EGroupBarChild, group_num);
-
- button_child = GTK_BIN (group->button)->child;
- if (button_child) {
- gtk_container_remove (GTK_CONTAINER (group->button),
- button_child);
- }
-
- if (label)
- gtk_container_add (GTK_CONTAINER (group->button), label);
-}
-
-
-/*
- * Getting & setting the EGroupBar options.
- */
-
-/**
- * e_group_bar_get_buttons_homogeneous:
- * @group_bar: an #EGroupBar.
- * @Returns: TRUE if the buttons are homoegeneous.
- *
- * Returns TRUE if the buttons are homogeneous (i.e. all have the same height).
- **/
-gboolean
-e_group_bar_get_buttons_homogeneous (EGroupBar *group_bar)
-{
- g_return_val_if_fail (E_IS_GROUP_BAR (group_bar), TRUE);
-
- return group_bar->buttons_homogeneous;
-}
-
-
-/**
- * e_group_bar_set_buttons_homogeneous:
- * @group_bar: an #EGroupBar.
- * @homogeneous: TRUE if the buttons should be homoegeneous.
- *
- * Specifies whether the buttons should be homogeneous. When set to TRUE all
- * the group buttons will be set to the same height (equal to the largest
- * requested height). When set to FALSE the buttons will use their own
- * individual requested heights.
- **/
-void
-e_group_bar_set_buttons_homogeneous (EGroupBar *group_bar,
- gboolean homogeneous)
-{
- g_return_if_fail (E_IS_GROUP_BAR (group_bar));
-
- /* Just return if the setting hasn't changed. */
- if (group_bar->buttons_homogeneous == homogeneous)
- return;
-
- group_bar->buttons_homogeneous = homogeneous;
-
- /* Update the position & sizes of the buttons. */
- gtk_widget_queue_resize (GTK_WIDGET (group_bar));
-}
-
-
-static void
-e_group_bar_on_button_clicked (GtkWidget *group_button,
- EGroupBar *group_bar)
-{
- gint group_num;
-
- /* Determine which group button was clicked. */
- group_num = e_group_bar_find_button (group_bar, group_button);
-
- if (group_num != -1)
- e_group_bar_start_animation (group_bar, group_num);
-}
-
-
-/* This returns the group containing the given button, or -1 if not found. */
-static gint
-e_group_bar_find_button (EGroupBar *group_bar,
- GtkWidget *group_button)
-{
- EGroupBarChild *group;
- gint group_num;
-
- /* Determine which group button was clicked. */
- for (group_num = 0;
- group_num < group_bar->children->len;
- group_num++) {
- group = &g_array_index (group_bar->children,
- EGroupBarChild, group_num);
- if (group->button == group_button)
- return group_num;
- }
-
- return -1;
-}
-
-
-static void
-e_group_bar_start_animation (EGroupBar *group_bar,
- gint group_num)
-{
- EGroupBarChild *group, *old_group;
- gint old_group_num, step;
-
- old_group_num = group_bar->current_group_num;
-
- /* Return if it is already the current group. */
- if (old_group_num == group_num)
- return;
-
- group_bar->current_group_num = group_num;
-
- /* Calculate the target y position of the new current group button
- and child, and map the child. */
- group = &g_array_index (group_bar->children,
- EGroupBarChild, group_num);
- group->button_window_target_y = e_group_bar_get_group_button_position (group_bar, group_num);
- group->button_window_in_animation = TRUE;
-
- group->child_window_target_y = e_group_bar_get_group_child_position (group_bar, group_num);
- group->child_window_in_animation = TRUE;
-
- /* Calculate the target y position of the current group button and
- child. */
- old_group = &g_array_index (group_bar->children,
- EGroupBarChild, old_group_num);
- old_group->button_window_target_y = e_group_bar_get_group_button_position (group_bar, old_group_num);
- old_group->button_window_in_animation = TRUE;
-
- old_group->child_window_target_y = e_group_bar_get_group_child_position (group_bar, old_group_num);
- old_group->child_window_in_animation = TRUE;
-
- /* We also need to animate the buttons in between the old group and the
- new group. */
- step = (old_group_num < group_num) ? 1 : -1;
- old_group_num += step;
- while (old_group_num != group_num) {
- old_group = &g_array_index (group_bar->children,
- EGroupBarChild, old_group_num);
- old_group->button_window_target_y = e_group_bar_get_group_button_position (group_bar, old_group_num);
- old_group->button_window_in_animation = TRUE;
-
- old_group->child_window_target_y = e_group_bar_get_group_child_position (group_bar, old_group_num);
- old_group->child_window_in_animation = TRUE;
-
- old_group_num += step;
- }
-
- /* Add a timeout handler if we haven't already got one. */
- if (group_bar->animation_timeout_id == 0) {
- group_bar->animation_timeout_id = g_timeout_add (E_GROUP_BAR_SCROLL_TIMEOUT, e_group_bar_timeout_handler, group_bar);
- }
-}
-
-
-static gboolean
-e_group_bar_timeout_handler (gpointer data)
-{
- EGroupBar *group_bar;
- EGroupBarChild *group;
- gint group_num, button_window_y, child_window_y;
- gboolean finished = TRUE;
-
- g_return_val_if_fail (E_IS_GROUP_BAR (data), FALSE);
-
- group_bar = E_GROUP_BAR (data);
-
- GDK_THREADS_ENTER ();
-
- for (group_num = 0;
- group_num < group_bar->children->len;
- group_num++) {
- group = &g_array_index (group_bar->children,
- EGroupBarChild, group_num);
-
- if (group->button_window_in_animation) {
- gdk_window_get_position (group->button_window, NULL,
- &button_window_y);
- button_window_y += e_group_bar_get_increment (group_bar, button_window_y, group->button_window_target_y);
- if (button_window_y == group->button_window_target_y)
- group->button_window_in_animation = FALSE;
- else
- finished = FALSE;
- gdk_window_move (group->button_window,
- 0, button_window_y);
- }
- if (group->child_window_in_animation) {
- gdk_window_get_position (group->child_window, NULL,
- &child_window_y);
- child_window_y += e_group_bar_get_increment (group_bar, child_window_y, group->child_window_target_y);
- if (child_window_y == group->child_window_target_y)
- group->child_window_in_animation = FALSE;
- else
- finished = FALSE;
- gdk_window_move (group->child_window,
- 0, child_window_y);
- }
-
- }
-
- if (finished)
- group_bar->animation_timeout_id = 0;
-
- GDK_THREADS_LEAVE ();
-
- return !finished;
-}
-
-
-static gint
-e_group_bar_get_increment (EGroupBar *group_bar,
- gint window_y,
- gint window_target_y)
-{
- gdouble percentage;
- gint distance, total_distance, step;
-
- total_distance = group_bar->child_height;
- distance = MIN (abs (window_target_y - window_y), total_distance);
-
- /* Convert the distance into an angle between -PI/2 and PI/2, so we can
- then do a cosine of it. */
- percentage = cos (M_PI * ((gdouble)distance / (gdouble)total_distance) - M_PI / 2);
-
- /* Now multiply by our maximum step size to get the step size. */
- step = percentage * total_distance / 6;
-
- /* Add it to the minimum step size, but don't go too far. */
- step = step + E_GROUP_BAR_MIN_STEP_SIZE;
- step = MIN (step, distance);
-
- if (window_target_y > window_y)
- return step;
- else
- return -step;
-}
-
-
-static gboolean
-e_group_bar_on_button_drag_motion (GtkWidget *widget,
- GdkDragContext *context,
- gint x,
- gint y,
- guint time,
- EGroupBar *group_bar)
-{
- gint group_num;
-
- if (!group_bar->auto_show_timeout_id) {
- group_num = e_group_bar_find_button (group_bar, widget);
- if (group_num != -1) {
- group_bar->auto_show_timeout_id = gtk_timeout_add (E_GROUP_BAR_AUTO_SHOW_TIMEOUT, e_group_bar_auto_show, group_bar);
- group_bar->auto_show_group_num = group_num;
- }
- }
- return TRUE;
-}
-
-
-static void
-e_group_bar_on_button_drag_leave (GtkWidget *widget,
- GdkDragContext *context,
- guint time,
- EGroupBar *group_bar)
-{
- if (group_bar->auto_show_timeout_id) {
- gtk_timeout_remove (group_bar->auto_show_timeout_id);
- group_bar->auto_show_timeout_id = 0;
- }
-}
-
-
-static gboolean
-e_group_bar_auto_show (gpointer data)
-{
- EGroupBar *group_bar;
-
- g_return_val_if_fail (E_IS_GROUP_BAR (data), FALSE);
-
- group_bar = E_GROUP_BAR (data);
-
- GDK_THREADS_ENTER ();
-
- e_group_bar_start_animation (group_bar,
- group_bar->auto_show_group_num);
-
- group_bar->auto_show_timeout_id = 0;
-
- GDK_THREADS_LEAVE ();
-
- return FALSE;
-}
-
-
-/* This removes all timeouts and sets all 'in_animation' flags to FALSE. */
-static void
-e_group_bar_stop_all_animation (EGroupBar *group_bar)
-{
- EGroupBarChild *group;
- gint group_num;
-
- if (group_bar->animation_timeout_id) {
- g_source_remove (group_bar->animation_timeout_id);
- group_bar->animation_timeout_id = 0;
- }
- if (group_bar->auto_show_timeout_id) {
- g_source_remove (group_bar->auto_show_timeout_id);
- group_bar->auto_show_timeout_id = 0;
- }
-
- for (group_num = 0;
- group_num < group_bar->children->len;
- group_num++) {
- group = &g_array_index (group_bar->children,
- EGroupBarChild, group_num);
- group->button_window_in_animation = FALSE;
- group->child_window_in_animation = FALSE;
- }
-}
-