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-rw-r--r--widgets/shortcut-bar/e-icon-bar.c1570
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diff --git a/widgets/shortcut-bar/e-icon-bar.c b/widgets/shortcut-bar/e-icon-bar.c
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index 68eaeaffa7..0000000000
--- a/widgets/shortcut-bar/e-icon-bar.c
+++ /dev/null
@@ -1,1570 +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
- */
-
-/*
- * EIconBar is a subclass of ECanvas for displaying a vertical column of
- * icons and descriptions. It provides 2 views - large icons and small icons.
- */
-
-#include <gtk/gtkmain.h>
-#include <gtk/gtksignal.h>
-#include <gdk-pixbuf/gnome-canvas-pixbuf.h>
-#include "e-icon-bar.h"
-#include "e-icon-bar-bg-item.h"
-#include "../e-text/e-text.h"
-
-/* These are the offsets of the icons & text in both views. Note that the
- shadow around icons is drawn in the space between items (as is the
- horizontal bar when dragging). */
-#define E_ICON_BAR_LARGE_ICON_SPACING 8 /* Spacing between items. */
-#define E_ICON_BAR_LARGE_ICON_WIDTH 48
-#define E_ICON_BAR_LARGE_ICON_HEIGHT 48
-#define E_ICON_BAR_LARGE_ICON_TEXT_X 4
-#define E_ICON_BAR_LARGE_ICON_TEXT_Y (E_ICON_BAR_LARGE_ICON_HEIGHT + 4)
-
-#define E_ICON_BAR_SMALL_ICON_SPACING 4 /* Spacing between items. */
-#define E_ICON_BAR_SMALL_ICON_WIDTH 24
-#define E_ICON_BAR_SMALL_ICON_HEIGHT 24
-#define E_ICON_BAR_SMALL_ICON_X 4
-#define E_ICON_BAR_SMALL_ICON_TEXT_X (E_ICON_BAR_SMALL_ICON_WIDTH + 6)
-
-/* The space we leave at the top or bottom of the bar when position an item
- while it is being edited. This is used since the EIconBar may be in a
- EScrolledBar which may show buttons at the top or bottom. */
-#define E_ICON_BAR_V_SPACE 22
-
-/* The number of pixels the mouse has to be moved with the button down before
- we start a drag. */
-#define E_ICON_BAR_DRAG_START_OFFSET 4
-
-/* This is the area at the top & bottom of the bar where we auto-scroll if the
- mouse goes into during a drag-and-drop operation. */
-#define E_ICON_BAR_DRAG_AUTO_SCROLL_OFFSET 16
-
-/* This is the time between each auto-scroll, when dragging. */
-#define E_ICON_BAR_SCROLL_TIMEOUT 30
-
-/* This is the number of timeouts we skip before we start scrolling. */
-#define E_ICON_BAR_SCROLL_DELAY 12
-
-
-static void e_icon_bar_class_init (EIconBarClass *class);
-static void e_icon_bar_init (EIconBar *icon_bar);
-static void e_icon_bar_destroy (GtkObject *object);
-static void e_icon_bar_size_allocate (GtkWidget *widget,
- GtkAllocation *allocation);
-static gint e_icon_bar_leave_notify_event (GtkWidget *widget,
- GdkEventCrossing *event);
-static gint e_icon_bar_focus_in (GtkWidget *widget,
- GdkEventFocus *event);
-static gint e_icon_bar_focus_out (GtkWidget *widget,
- GdkEventFocus *event);
-static gint e_icon_bar_drag_motion (GtkWidget *widget,
- GdkDragContext *context,
- gint x,
- gint y,
- guint time);
-static void e_icon_bar_drag_leave (GtkWidget *widget,
- GdkDragContext *context,
- guint time);
-static void e_icon_bar_set_dragging_before_item (EIconBar *icon_bar,
- gint before_item);
-static gboolean e_icon_bar_timeout_handler (gpointer data);
-
-static void e_icon_bar_recalc_common_positions (EIconBar *icon_bar);
-static gint e_icon_bar_recalc_item_positions (EIconBar *icon_bar);
-static void e_icon_bar_reflow (ECanvas *canvas);
-static gint e_icon_bar_find_item (EIconBar *icon_bar,
- GnomeCanvasItem *text_item);
-static gboolean e_icon_bar_on_item_event (GnomeCanvasItem *item,
- GdkEvent *event,
- EIconBar *icon_bar);
-
-static gboolean e_icon_bar_large_icons_intersects (EIconBar *icon_bar,
- EIconBarItem *item,
- gint x,
- gint y);
-static gboolean e_icon_bar_large_icons_is_before (EIconBar *icon_bar,
- EIconBarItem *item,
- gint x,
- gint y);
-static gboolean e_icon_bar_small_icons_intersects (EIconBar *icon_bar,
- EIconBarItem *item,
- gint x,
- gint y);
-static gboolean e_icon_bar_small_icons_is_before (EIconBar *icon_bar,
- EIconBarItem *item,
- gint x,
- gint y);
-static void e_icon_bar_on_editing_started (EIconBar *icon_bar,
- GnomeCanvasItem *item);
-static void e_icon_bar_on_editing_stopped (EIconBar *icon_bar,
- GnomeCanvasItem *item);
-static void e_icon_bar_ensure_edited_item_visible (EIconBar *icon_bar);
-static void e_icon_bar_update_highlight (EIconBar *icon_bar);
-
-enum
-{
- ITEM_SELECTED,
- ITEM_DRAGGED,
- LAST_SIGNAL
-};
-
-static guint e_icon_bar_signals[LAST_SIGNAL] = {0};
-
-static ECanvasClass *parent_class;
-
-
-GtkType
-e_icon_bar_get_type (void)
-{
- static GtkType e_icon_bar_type = 0;
-
- if (!e_icon_bar_type){
- GtkTypeInfo e_icon_bar_info = {
- "EIconBar",
- sizeof (EIconBar),
- sizeof (EIconBarClass),
- (GtkClassInitFunc) e_icon_bar_class_init,
- (GtkObjectInitFunc) e_icon_bar_init,
- NULL, /* reserved 1 */
- NULL, /* reserved 2 */
- (GtkClassInitFunc) NULL
- };
-
- parent_class = gtk_type_class (e_canvas_get_type ());
- e_icon_bar_type = gtk_type_unique (e_canvas_get_type (),
- &e_icon_bar_info);
- }
-
- return e_icon_bar_type;
-}
-
-
-static void
-e_icon_bar_class_init (EIconBarClass *class)
-{
- GtkObjectClass *object_class;
- GtkWidgetClass *widget_class;
- ECanvasClass *ecanvas_class;
-
- object_class = (GtkObjectClass *) class;
- widget_class = (GtkWidgetClass *) class;
- ecanvas_class = E_CANVAS_CLASS( class );
-
- e_icon_bar_signals[ITEM_SELECTED] =
- gtk_signal_new ("item_selected",
- GTK_RUN_LAST | GTK_RUN_ACTION,
- object_class->type,
- GTK_SIGNAL_OFFSET (EIconBarClass,
- selected_item),
- gtk_marshal_NONE__POINTER_INT,
- GTK_TYPE_NONE, 2, GTK_TYPE_GDK_EVENT,
- GTK_TYPE_INT);
- e_icon_bar_signals[ITEM_DRAGGED] =
- gtk_signal_new ("item_dragged",
- GTK_RUN_LAST | GTK_RUN_ACTION,
- object_class->type,
- GTK_SIGNAL_OFFSET (EIconBarClass,
- dragged_item),
- gtk_marshal_NONE__POINTER_INT,
- GTK_TYPE_NONE, 2, GTK_TYPE_GDK_EVENT,
- GTK_TYPE_INT);
-
- gtk_object_class_add_signals (object_class, e_icon_bar_signals,
- LAST_SIGNAL);
-
- /* Method override */
- object_class->destroy = e_icon_bar_destroy;
-
- widget_class->size_allocate = e_icon_bar_size_allocate;
- widget_class->leave_notify_event = e_icon_bar_leave_notify_event;
- widget_class->focus_in_event = e_icon_bar_focus_in;
- widget_class->focus_out_event = e_icon_bar_focus_out;
- widget_class->drag_motion = e_icon_bar_drag_motion;
- widget_class->drag_leave = e_icon_bar_drag_leave;
-
- ecanvas_class->reflow = e_icon_bar_reflow;
-
- class->selected_item = NULL;
-}
-
-
-static void
-e_icon_bar_init (EIconBar *icon_bar)
-{
- GdkColormap *colormap;
- gboolean success[E_ICON_BAR_COLOR_LAST];
- gint nfailed;
-
- icon_bar->view_type = E_ICON_BAR_LARGE_ICONS;
- icon_bar->items = g_array_new (FALSE, FALSE, sizeof (EIconBarItem));
- icon_bar->pressed_item_num = -1;
- icon_bar->mouse_over_item_num = -1;
- icon_bar->editing_item_num = -1;
- icon_bar->edit_rect_item = NULL;
- icon_bar->in_drag = FALSE;
- icon_bar->dragging_before_item_num = -1;
- icon_bar->icon_x = 0;
- icon_bar->icon_w = 0;
- icon_bar->icon_h = 0;
- icon_bar->text_x = 0;
- icon_bar->text_w = 5;
- icon_bar->auto_scroll_timeout_id = 0;
-
- /* Create the background item in the canvas, which handles selections
- and drag-and-drop. */
- gnome_canvas_item_new (GNOME_CANVAS_GROUP (GNOME_CANVAS (icon_bar)->root),
- e_icon_bar_bg_item_get_type (),
- "EIconBarBgItem::icon_bar", icon_bar,
- NULL);
-
- colormap = gtk_widget_get_colormap (GTK_WIDGET (icon_bar));
-
- icon_bar->colors[E_ICON_BAR_COLOR_TEXT].red = 65535;
- icon_bar->colors[E_ICON_BAR_COLOR_TEXT].green = 65535;
- icon_bar->colors[E_ICON_BAR_COLOR_TEXT].blue = 65535;
-
- icon_bar->colors[E_ICON_BAR_COLOR_EDITING_TEXT].red = 0;
- icon_bar->colors[E_ICON_BAR_COLOR_EDITING_TEXT].green = 0;
- icon_bar->colors[E_ICON_BAR_COLOR_EDITING_TEXT].blue = 0;
-
- icon_bar->colors[E_ICON_BAR_COLOR_EDITING_RECT].red = 65535;
- icon_bar->colors[E_ICON_BAR_COLOR_EDITING_RECT].green = 65535;
- icon_bar->colors[E_ICON_BAR_COLOR_EDITING_RECT].blue = 65535;
-
- icon_bar->colors[E_ICON_BAR_COLOR_EDITING_RECT_OUTLINE].red = 0;
- icon_bar->colors[E_ICON_BAR_COLOR_EDITING_RECT_OUTLINE].green = 0;
- icon_bar->colors[E_ICON_BAR_COLOR_EDITING_RECT_OUTLINE].blue = 0;
-
- nfailed = gdk_colormap_alloc_colors (colormap, icon_bar->colors,
- E_ICON_BAR_COLOR_LAST, FALSE,
- TRUE, success);
- if (nfailed)
- g_warning ("Failed to allocate all colors");
-}
-
-
-/**
- * e_icon_bar_new:
- * @Returns: A new #EIconBar.
- *
- * Creates a new #EIconBar.
- **/
-GtkWidget *
-e_icon_bar_new (void)
-{
- GtkWidget *icon_bar;
-
- icon_bar = GTK_WIDGET (gtk_type_new (e_icon_bar_get_type ()));
-
- return icon_bar;
-}
-
-
-static void
-e_icon_bar_destroy (GtkObject *object)
-{
- EIconBar *icon_bar;
-
- icon_bar = E_ICON_BAR (object);
-
- GTK_OBJECT_CLASS (parent_class)->destroy (object);
-
- g_array_free (icon_bar->items, TRUE);
-
- if (icon_bar->auto_scroll_timeout_id != 0) {
- gtk_timeout_remove (icon_bar->auto_scroll_timeout_id);
- icon_bar->auto_scroll_timeout_id = 0;
- }
-}
-
-
-static void
-e_icon_bar_size_allocate (GtkWidget *widget, GtkAllocation *allocation)
-{
- EIconBar *icon_bar;
- gint canvas_width, canvas_height, height;
-#if 0
- g_print ("In e_icon_bar_size_allocate\n");
-#endif
- icon_bar = E_ICON_BAR (widget);
-
- GTK_WIDGET_CLASS (parent_class)->size_allocate (widget, allocation);
-
- canvas_width = GTK_WIDGET (icon_bar)->allocation.width;
- canvas_height = GTK_WIDGET (icon_bar)->allocation.height;
-
- /* Reset the y position and widths of all the items to the width of
- the canvas, and reset the button labels, so they fit. */
- e_icon_bar_recalc_common_positions (icon_bar);
- height = e_icon_bar_recalc_item_positions (icon_bar);
-
- gnome_canvas_set_scroll_region (GNOME_CANVAS (widget),
- 0, 0, canvas_width,
- MAX (height, canvas_height - 1));
-
- /* If we are editing an item, make sure it is visible. */
- e_icon_bar_ensure_edited_item_visible (icon_bar);
-
- GTK_LAYOUT (widget)->vadjustment->step_increment = 16;
-
- e_icon_bar_update_highlight (icon_bar);
-}
-
-
-/* This sets all the item positions which are the same for all items in the
- group. */
-static void
-e_icon_bar_recalc_common_positions (EIconBar *icon_bar)
-{
- gint canvas_width;
-
- canvas_width = GTK_WIDGET (icon_bar)->allocation.width;
-
- if (icon_bar->view_type == E_ICON_BAR_LARGE_ICONS) {
- icon_bar->icon_x = (canvas_width - E_ICON_BAR_LARGE_ICON_WIDTH) / 2;
- icon_bar->icon_w = E_ICON_BAR_LARGE_ICON_WIDTH;
- icon_bar->icon_h = E_ICON_BAR_LARGE_ICON_HEIGHT;
-
- icon_bar->text_x = E_ICON_BAR_LARGE_ICON_TEXT_X;
- icon_bar->text_w = MAX (canvas_width - (E_ICON_BAR_LARGE_ICON_TEXT_X * 2), 5);
-
- icon_bar->spacing = E_ICON_BAR_LARGE_ICON_SPACING;
- } else {
- icon_bar->icon_x = E_ICON_BAR_SMALL_ICON_X;
- icon_bar->icon_w = E_ICON_BAR_SMALL_ICON_WIDTH;
- icon_bar->icon_h = E_ICON_BAR_SMALL_ICON_HEIGHT;
-
- icon_bar->text_x = E_ICON_BAR_SMALL_ICON_TEXT_X;
- icon_bar->text_w = MAX (canvas_width - E_ICON_BAR_SMALL_ICON_TEXT_X, 5);
-
- icon_bar->spacing = E_ICON_BAR_SMALL_ICON_SPACING;
- }
-}
-
-
-/* This recalculates the positions of all the items, according to the current
- view type and the height of the text items. */
-static gint
-e_icon_bar_recalc_item_positions (EIconBar *icon_bar)
-{
- EIconBarItem *item;
- gint y, item_num, text_h;
- gdouble x1, y1, x2, y2, text_x;
- GtkJustification justify;
- GtkAnchorType anchor;
- gint max_lines;
- GdkFont *font;
- gboolean line_wrap;
-
- if (icon_bar->view_type == E_ICON_BAR_LARGE_ICONS) {
- justify = GTK_JUSTIFY_CENTER;
- anchor = GTK_ANCHOR_N;
- max_lines = 2;
- text_x = icon_bar->text_x + (icon_bar->text_w / 2);
- line_wrap = TRUE;
-
- /*
- * Fixme: incorrect
- */
- font = GTK_WIDGET (icon_bar)->style->font;
- text_h = font->ascent + font->descent;
- } else {
- justify = GTK_JUSTIFY_LEFT;
- anchor = GTK_ANCHOR_NW;
- max_lines = 1;
- text_x = icon_bar->text_x;
- font = GTK_WIDGET (icon_bar)->style->font;
- text_h = font->ascent + font->descent;
- line_wrap = FALSE;
- }
-
- /* Now step through the items, setting the y positions. */
- y = icon_bar->spacing;
- for (item_num = 0; item_num < icon_bar->items->len; item_num++) {
- item = &g_array_index (icon_bar->items,
- EIconBarItem, item_num);
-
- if (icon_bar->view_type == E_ICON_BAR_LARGE_ICONS) {
- item->icon_y = y;
- item->text_y = y + E_ICON_BAR_LARGE_ICON_TEXT_Y;
- } else {
- item->text_height = text_h;
- item->item_height = MAX (text_h, E_ICON_BAR_SMALL_ICON_HEIGHT);
- item->icon_y = y + (item->item_height - E_ICON_BAR_SMALL_ICON_HEIGHT) / 2;
- item->text_y = y + (item->item_height - item->text_height) / 2;
- }
-
- gnome_canvas_item_set (item->text,
- "clip_width", (gdouble) (icon_bar->text_w),
- "justification", justify,
- "anchor", anchor,
- "max_lines", max_lines,
- "line_wrap", line_wrap,
- "x", text_x,
- "y", (gdouble) item->text_y,
- NULL);
-
- /* Get the text item's height. */
- gnome_canvas_item_get_bounds (item->text, &x1, &y1, &x2, &y2);
- item->text_x = x1;
- item->text_width = x2 - x1;
- item->text_height = y2 - y1;
-
- if (icon_bar->view_type == E_ICON_BAR_LARGE_ICONS) {
- item->item_height = E_ICON_BAR_LARGE_ICON_TEXT_Y
- + item->text_height;
- }
-
- gnome_canvas_item_set (item->image,
- "GnomeCanvasPixbuf::x", (gdouble)icon_bar->icon_x,
- "GnomeCanvasPixbuf::y", (gdouble)item->icon_y,
- "GnomeCanvasPixbuf::width_set", TRUE,
- "GnomeCanvasPixbuf::height_set", TRUE,
- "GnomeCanvasPixbuf::width", (gdouble)icon_bar->icon_w,
- "GnomeCanvasPixbuf::height", (gdouble)icon_bar->icon_h,
- NULL);
-
- y += item->item_height + icon_bar->spacing;
- }
-
- return y;
-}
-
-
-static gint
-e_icon_bar_leave_notify_event (GtkWidget *widget, GdkEventCrossing *event)
-{
- EIconBar *icon_bar;
-
- icon_bar = E_ICON_BAR (widget);
-
- GTK_WIDGET_CLASS (parent_class)->leave_notify_event (widget, event);
-
- /* Make sure no items are highlighted. */
- e_icon_bar_item_motion (icon_bar, -1, NULL);
-
- return FALSE;
-}
-
-
-static gint
-e_icon_bar_focus_in (GtkWidget *widget,
- GdkEventFocus *event)
-{
- g_return_val_if_fail (widget != NULL, FALSE);
- g_return_val_if_fail (E_IS_ICON_BAR (widget), FALSE);
- g_return_val_if_fail (event != NULL, FALSE);
-
- GTK_WIDGET_CLASS (parent_class)->focus_in_event (widget, event);
- GTK_WIDGET_SET_FLAGS (widget, GTK_HAS_FOCUS);
- return FALSE;
-}
-
-
-static gint
-e_icon_bar_focus_out (GtkWidget *widget,
- GdkEventFocus *event)
-{
- g_return_val_if_fail (widget != NULL, FALSE);
- g_return_val_if_fail (E_IS_ICON_BAR (widget), FALSE);
- g_return_val_if_fail (event != NULL, FALSE);
-
- GTK_WIDGET_CLASS (parent_class)->focus_out_event (widget, event);
- GTK_WIDGET_UNSET_FLAGS (widget, GTK_HAS_FOCUS);
- return FALSE;
-}
-
-
-/**
- * e_icon_bar_set_view_type:
- * @icon_bar: An #EIconBar.
- * @view_type: The new view type, %E_ICON_BAR_LARGE_ICONS or
- * %E_ICON_BAR_SMALL_ICONS.
- *
- * Sets the view type of the #EIconBar.
- **/
-void
-e_icon_bar_set_view_type (EIconBar *icon_bar,
- EIconBarViewType view_type)
-{
- g_return_if_fail (E_IS_ICON_BAR (icon_bar));
-
- if (icon_bar->view_type == view_type)
- return;
-
- icon_bar->view_type = view_type;
-
- /* Queue a resize of the canvas, so everything is put in the right
- positions based on the new view type. */
- gtk_widget_queue_resize (GTK_WIDGET (icon_bar));
-}
-
-static GdkPixbuf *
-flatten_alpha (GdkPixbuf *image, guint rgb)
-{
- if (!image || !gdk_pixbuf_get_has_alpha (image))
- return NULL;
-
-
- return gdk_pixbuf_composite_color_simple (
- image,
- gdk_pixbuf_get_width (image),
- gdk_pixbuf_get_height (image),
- GDK_INTERP_NEAREST,
- 255,
- 32,
- rgb, rgb);
-}
-
-/*
- * Creates a 24-bits RGB value from a GdkColor
- */
-static guint
-rgb_from_gdk_color (GdkColor *color)
-{
- guint a =
- (((color->red >> 8) << 16) |
- ((color->green >> 8) << 8) |
- ((color->blue >> 8)));
-
- return a;
-}
-
-/**
- * e_icon_bar_add_item:
- * @icon_bar: An #EIconBar.
- * @image: the new item's icon.
- * @text: the new item's text.
- * @position: the position to place the new item, or -1 to place it last.
- *
- * Adds an item to the #EIconBar at the given position.
- **/
-gint
-e_icon_bar_add_item (EIconBar *icon_bar,
- GdkPixbuf *image,
- const gchar *text,
- gint position)
-{
- EIconBarItem item;
- GtkJustification justify;
- GtkAnchorType anchor;
- gint max_lines, retval;
- GtkStyle *style;
- GdkFont *font;
- gdouble text_x, clip_height;
- GdkPixbuf *flattened = NULL;
-
- g_return_val_if_fail (E_IS_ICON_BAR (icon_bar), -1);
- g_return_val_if_fail (text != NULL, -1);
- g_return_val_if_fail (position >= -1, -1);
- g_return_val_if_fail (position <= (gint)icon_bar->items->len, -1);
-
- if (icon_bar->view_type == E_ICON_BAR_LARGE_ICONS) {
- justify = GTK_JUSTIFY_CENTER;
- anchor = GTK_ANCHOR_N;
- max_lines = 2;
- text_x = icon_bar->text_x + (icon_bar->text_w / 2);
- } else {
- justify = GTK_JUSTIFY_LEFT;
- anchor = GTK_ANCHOR_NW;
- max_lines = 1;
- text_x = icon_bar->text_x;
- }
-
- gtk_widget_ensure_style (GTK_WIDGET (icon_bar));
- style = GTK_WIDGET (icon_bar)->style;
- font = style->font;
- clip_height = max_lines * (font->ascent + font->descent);
- item.text = gnome_canvas_item_new (GNOME_CANVAS_GROUP (GNOME_CANVAS (icon_bar)->root),
- e_text_get_type (),
- "font_gdk", font,
- "fill_color_gdk", &icon_bar->colors[E_ICON_BAR_COLOR_TEXT],
- "use_ellipsis", TRUE,
- "anchor", anchor,
- "editable", TRUE,
- "justification", justify,
- "line_wrap", TRUE,
- "max_lines", max_lines,
- "x", text_x,
- "y", (gdouble) 0,
- "clip", TRUE,
- "clip_width", (gdouble) (icon_bar->text_w),
- "clip_height", clip_height,
- "text", text,
- NULL);
-
- gtk_signal_connect (GTK_OBJECT (item.text), "event",
- GTK_SIGNAL_FUNC (e_icon_bar_on_item_event),
- icon_bar);
-
- flattened = flatten_alpha (image,
- rgb_from_gdk_color (&style->bg [GTK_STATE_NORMAL]));
-
- item.image = gnome_canvas_item_new (GNOME_CANVAS_GROUP (GNOME_CANVAS (icon_bar)->root),
- gnome_canvas_pixbuf_get_type (),
- "GnomeCanvasPixbuf::pixbuf", flattened ? flattened : image,
- "GnomeCanvasPixbuf::width", (gdouble) icon_bar->icon_w,
- "GnomeCanvasPixbuf::height", (gdouble) icon_bar->icon_h,
- NULL);
-
-
- if (flattened)
- /* the canvas item holds the reference now */
- gdk_pixbuf_unref (flattened);
-
- gtk_signal_connect (GTK_OBJECT (item.image), "event",
- GTK_SIGNAL_FUNC (e_icon_bar_on_item_event),
- icon_bar);
-
- item.data = NULL;
- item.destroy = NULL;
-
- if (position == -1) {
- g_array_append_val (icon_bar->items, item);
- retval = icon_bar->items->len - 1;
- } else {
- g_array_insert_val (icon_bar->items, position, item);
- retval = position;
-
- /* FIXME: Should possibly update other indices. */
- if (icon_bar->dragged_item_num >= position)
- icon_bar->dragged_item_num++;
- }
-
- gtk_widget_queue_resize (GTK_WIDGET (icon_bar));
-
- return retval;
-}
-
-
-/**
- * e_icon_bar_reorder_item:
- * @icon_bar: An #EIconBar.
- * @item_num: The index of the item to move.
- * @new_position: The new position of the item, which is used after the item
- * has been removed from its current position. If @new_position is -1, the item
- * is placed last.
- *
- * Moves an item to a new position within the #EIconBar.
- **/
-void
-e_icon_bar_reorder_item (EIconBar *icon_bar,
- gint item_num,
- gint new_position)
-{
- EIconBarItem tmp_item;
-
- g_return_if_fail (E_IS_ICON_BAR (icon_bar));
- g_return_if_fail (item_num >= 0);
- g_return_if_fail (item_num < icon_bar->items->len);
- g_return_if_fail (new_position >= -1);
- g_return_if_fail (new_position < icon_bar->items->len);
-
- tmp_item = g_array_index (icon_bar->items, EIconBarItem, item_num);
- g_array_remove_index (icon_bar->items, item_num);
-
- if (new_position == -1)
- g_array_append_val (icon_bar->items, tmp_item);
- else
- g_array_insert_val (icon_bar->items, new_position, tmp_item);
-
- gtk_widget_queue_resize (GTK_WIDGET (icon_bar));
-}
-
-
-/**
- * e_icon_bar_remove_item:
- * @icon_bar: An #EIconBar.
- * @item_num: The index of the item to remove.
- *
- * Removes an item from the #EIconBar.
- **/
-void
-e_icon_bar_remove_item (EIconBar *icon_bar,
- gint item_num)
-{
- EIconBarItem *item;
-
- g_return_if_fail (E_IS_ICON_BAR (icon_bar));
- g_return_if_fail (item_num >= 0);
- g_return_if_fail (item_num < icon_bar->items->len);
-
- item = &g_array_index (icon_bar->items, EIconBarItem, item_num);
-
- if (item->destroy)
- item->destroy (item->data);
-
- gtk_object_destroy (GTK_OBJECT (item->text));
- gtk_object_destroy (GTK_OBJECT (item->image));
-
- g_array_remove_index (icon_bar->items, item_num);
-
- gtk_widget_queue_resize (GTK_WIDGET (icon_bar));
-}
-
-
-/**
- * e_icon_bar_get_item_image:
- * @icon_bar: An #EIconBar.
- * @item_num: The index of the item.
- * @Returns: The icon of the given item.
- *
- * Returns the icon used for the given item.
- **/
-GdkPixbuf *
-e_icon_bar_get_item_image (EIconBar *icon_bar,
- gint item_num)
-{
- EIconBarItem *item;
- GdkPixbuf *image = NULL;
-
- g_return_val_if_fail (E_IS_ICON_BAR (icon_bar), NULL);
- g_return_val_if_fail (item_num >= 0, NULL);
- g_return_val_if_fail (item_num < icon_bar->items->len, NULL);
-
- item = &g_array_index (icon_bar->items, EIconBarItem, item_num);
- gtk_object_get (GTK_OBJECT (item->image),
- "GnomeCanvasPixbuf::pixbuf", &image,
- NULL);
- return image;
-}
-
-
-/**
- * e_icon_bar_set_item_image:
- * @icon_bar: An #EIconBar.
- * @item_num: The index of the item.
- * @image: The new icon to use for the given item.
- *
- * Sets the icon to use for the given item.
- **/
-void
-e_icon_bar_set_item_image (EIconBar *icon_bar,
- gint item_num,
- GdkPixbuf *image)
-{
- EIconBarItem *item;
-
- g_return_if_fail (E_IS_ICON_BAR (icon_bar));
- g_return_if_fail (item_num >= 0);
- g_return_if_fail (item_num < icon_bar->items->len);
-
- item = &g_array_index (icon_bar->items, EIconBarItem, item_num);
- gnome_canvas_item_set (item->image,
- "GnomeCanvasPixbuf::pixbuf", image,
- NULL);
-}
-
-
-/**
- * e_icon_bar_get_item_text:
- * @icon_bar: An #EIconBar.
- * @item_num: The index of the item.
- * @Returns: The text of the given item.
- *
- * Returns the text of the given item. This should be freed when no longer
- * needed.
- **/
-gchar*
-e_icon_bar_get_item_text (EIconBar *icon_bar,
- gint item_num)
-{
- EIconBarItem *item;
- gchar *text;
-
- g_return_val_if_fail (E_IS_ICON_BAR (icon_bar), NULL);
- g_return_val_if_fail (item_num >= 0, NULL);
- g_return_val_if_fail (item_num < icon_bar->items->len, NULL);
-
- item = &g_array_index (icon_bar->items, EIconBarItem, item_num);
- gtk_object_get (GTK_OBJECT (item->text),
- "EText::text", &text,
- NULL);
-
- return text;
-}
-
-
-/**
- * e_icon_bar_set_item_text:
- * @icon_bar: An #EIconBar.
- * @item_num: The index of the item.
- * @text: The new text for the given item.
- *
- * Sets the text of the given item.
- **/
-void
-e_icon_bar_set_item_text (EIconBar *icon_bar,
- gint item_num,
- gchar *text)
-{
- EIconBarItem *item;
-
- g_return_if_fail (E_IS_ICON_BAR (icon_bar));
- g_return_if_fail (item_num >= 0);
- g_return_if_fail (item_num < icon_bar->items->len);
-
- item = &g_array_index (icon_bar->items, EIconBarItem, item_num);
- gnome_canvas_item_set (item->text,
- "EText::text", text,
- NULL);
-}
-
-
-/**
- * e_icon_bar_get_item_data:
- * @icon_bar: An #EIconBar.
- * @item_num: The index of the item.
- * @Returns: The user data associated with the given item.
- *
- * Returns the user data associated with the given item.
- **/
-gpointer
-e_icon_bar_get_item_data (EIconBar *icon_bar,
- gint item_num)
-{
- EIconBarItem *item;
-
- g_return_val_if_fail (E_IS_ICON_BAR (icon_bar), NULL);
- g_return_val_if_fail (item_num >= 0, NULL);
- g_return_val_if_fail (item_num < icon_bar->items->len, NULL);
-
- item = &g_array_index (icon_bar->items, EIconBarItem, item_num);
- return item->data;
-}
-
-
-/**
- * e_icon_bar_set_item_data:
- * @icon_bar: An #EIconBar.
- * @item_num: The index of the item.
- * @data: The user data to set for the given item.
- *
- * Sets the user data of the given item.
- **/
-void
-e_icon_bar_set_item_data (EIconBar *icon_bar,
- gint item_num,
- gpointer data)
-{
- e_icon_bar_set_item_data_full (icon_bar, item_num, data, NULL);
-}
-
-
-/**
- * e_icon_bar_set_item_data_full:
- * @icon_bar: An #EIconBar.
- * @item_num: The index of the item.
- * @data: The user data to set for the given item.
- * @destroy: The function to free @data when the item is destroyed.
- *
- * Sets the user data of the given item, and the function to free the data
- * when the item is destroyed.
- **/
-void
-e_icon_bar_set_item_data_full (EIconBar *icon_bar,
- gint item_num,
- gpointer data,
- GtkDestroyNotify destroy)
-{
- EIconBarItem *item;
-
- g_return_if_fail (E_IS_ICON_BAR (icon_bar));
- g_return_if_fail (item_num >= 0);
- g_return_if_fail (item_num < icon_bar->items->len);
-
- item = &g_array_index (icon_bar->items, EIconBarItem, item_num);
-
- if (item->destroy)
- item->destroy (item->data);
-
- item->data = data;
- item->destroy = destroy;
-}
-
-
-static void
-e_icon_bar_reflow (ECanvas *canvas)
-{
-#if 0
- g_print ("In e_icon_bar_on_canvas_reflow\n");
- gtk_widget_queue_resize (GTK_WIDGET (canvas));
-#endif
-}
-
-
-/* This returns the index of the given item, or -1 if it isn't found. */
-static gint
-e_icon_bar_find_item (EIconBar *icon_bar,
- GnomeCanvasItem *canvas_item)
-{
- EIconBarItem *item;
- gint item_num;
-
- for (item_num = 0; item_num < icon_bar->items->len; item_num++) {
- item = &g_array_index (icon_bar->items,
- EIconBarItem, item_num);
-
- if (item->text == canvas_item || item->image == canvas_item) {
- return item_num;
- }
- }
-
- return -1;
-}
-
-
-/* When an item has a grab, it will get all events, so we need to use the
- position to find the real item. */
-static gboolean
-e_icon_bar_on_item_event (GnomeCanvasItem *item,
- GdkEvent *event,
- EIconBar *icon_bar)
-{
- gint item_num;
-
- switch (event->type) {
- case GDK_BUTTON_PRESS:
- item_num = e_icon_bar_find_item_at_position (icon_bar,
- event->button.x,
- event->button.y,
- NULL);
- /* If the item is not being edited, we handle the event and
- stop the signal so the text editing isn't started. */
- if (icon_bar->editing_item_num == -1
- || icon_bar->editing_item_num != item_num) {
- e_icon_bar_item_pressed (icon_bar, item_num, event);
- gtk_signal_emit_stop_by_name (GTK_OBJECT (item),
- "event");
- return TRUE;
- }
- break;
- case GDK_BUTTON_RELEASE:
- item_num = e_icon_bar_find_item_at_position (icon_bar,
- event->button.x,
- event->button.y,
- NULL);
- /* If the item is not being edited, we handle the event and
- stop the signal so the text editing isn't started. */
- if (icon_bar->editing_item_num == -1
- || icon_bar->editing_item_num != item_num) {
- e_icon_bar_item_released (icon_bar, item_num, event);
- gtk_signal_emit_stop_by_name (GTK_OBJECT (item),
- "event");
- return TRUE;
- }
- break;
- case GDK_MOTION_NOTIFY:
- item_num = e_icon_bar_find_item_at_position (icon_bar,
- event->motion.x,
- event->motion.y,
- NULL);
- e_icon_bar_item_motion (icon_bar, item_num, event);
- return TRUE;
- case GDK_FOCUS_CHANGE:
- if (event->focus_change.in)
- e_icon_bar_on_editing_started (icon_bar, item);
- else
- e_icon_bar_on_editing_stopped (icon_bar, item);
-
- return FALSE;
- default:
- break;
- }
-
- return FALSE;
-}
-
-
-void
-e_icon_bar_item_pressed (EIconBar *icon_bar,
- gint item_num,
- GdkEvent *event)
-{
- gint button;
-
- /* If we are editing an item, and a different item (or anywhere outside
- an item) is clicked, stop the edit. If the item being edited is
- clicked we just return, since the user may be selecting text. */
- if (icon_bar->editing_item_num != -1) {
- if (icon_bar->editing_item_num != item_num) {
- e_icon_bar_stop_editing_item (icon_bar, TRUE);
- }
- return;
- }
-
- button = event->button.button;
-
- if (button == 1 && item_num != -1) {
- icon_bar->pressed_item_num = item_num;
- icon_bar->pressed_x = event->button.x;
- icon_bar->pressed_y = event->button.y;
- gtk_widget_queue_draw (GTK_WIDGET (icon_bar));
- } else if (button == 3) {
- gtk_signal_emit (GTK_OBJECT (icon_bar),
- e_icon_bar_signals[ITEM_SELECTED],
- event, item_num);
- }
-}
-
-
-void
-e_icon_bar_item_released (EIconBar *icon_bar,
- gint item_num,
- GdkEvent *event)
-{
- gint button;
-
- /* If we are editing an item, just return. */
- if (icon_bar->editing_item_num != -1)
- return;
-
- button = event->button.button;
-
- if (button == 1) {
- if (icon_bar->pressed_item_num != -1
- && icon_bar->pressed_item_num == icon_bar->mouse_over_item_num) {
- gtk_signal_emit (GTK_OBJECT (icon_bar),
- e_icon_bar_signals[ITEM_SELECTED],
- event, item_num);
- }
-
- icon_bar->pressed_item_num = -1;
- gtk_widget_queue_draw (GTK_WIDGET (icon_bar));
- }
-}
-
-
-void
-e_icon_bar_item_motion (EIconBar *icon_bar,
- gint item_num,
- GdkEvent *event)
-{
- gboolean need_redraw = TRUE;
-
- if (event && event->motion.state & GDK_BUTTON1_MASK
- && icon_bar->pressed_item_num != -1) {
- if (abs (event->motion.x - icon_bar->pressed_x) > E_ICON_BAR_DRAG_START_OFFSET
- || abs (event->motion.y - icon_bar->pressed_y) > E_ICON_BAR_DRAG_START_OFFSET) {
- icon_bar->dragged_item_num = icon_bar->pressed_item_num;
- gtk_signal_emit (GTK_OBJECT (icon_bar),
- e_icon_bar_signals[ITEM_DRAGGED],
- event, icon_bar->dragged_item_num);
-
- /* Don't show the button as pressed while dragging. */
- icon_bar->pressed_item_num = -1;
- gtk_widget_queue_draw (GTK_WIDGET (icon_bar));
- }
-
- return;
- }
-
- if (icon_bar->mouse_over_item_num == item_num)
- return;
-
- /* If we are editing an item, items aren't highlighted so we don't
- need a redraw. Also if an item is pressed, we only need a redraw if
- item_num or the old mouse_over_item_num is the pressed item. */
- if (icon_bar->editing_item_num != -1) {
- need_redraw = FALSE;
- } else if (icon_bar->pressed_item_num != -1) {
- if (icon_bar->pressed_item_num != item_num
- && icon_bar->pressed_item_num != icon_bar->mouse_over_item_num)
- need_redraw = FALSE;
- }
-
- icon_bar->mouse_over_item_num = item_num;
-
- if (need_redraw)
- gtk_widget_queue_draw (GTK_WIDGET (icon_bar));
-}
-
-
-/* This returns the index of the item at the given position on the EIconBar,
- or -1 if no item is found. If before_item is not NULL, it returns the
- item which the mouse is before, or -1 (for dragging). */
-gint
-e_icon_bar_find_item_at_position (EIconBar *icon_bar,
- gint x,
- gint y,
- gint *before_item)
-{
- EIconBarItem *item = NULL;
- gint item_num;
-
- if (before_item)
- *before_item = -1;
-
- for (item_num = 0; item_num < icon_bar->items->len; item_num++) {
- item = &g_array_index (icon_bar->items,
- EIconBarItem, item_num);
-
- if (icon_bar->view_type == E_ICON_BAR_LARGE_ICONS) {
- if (e_icon_bar_large_icons_intersects (icon_bar, item,
- x, y))
- return item_num;
-
- if (before_item
- && e_icon_bar_large_icons_is_before (icon_bar,
- item, x, y)) {
- *before_item = item_num;
- return -1;
- }
- } else {
- if (e_icon_bar_small_icons_intersects (icon_bar, item,
- x, y))
- return item_num;
-
- if (before_item
- && e_icon_bar_small_icons_is_before (icon_bar,
- item, x, y)) {
- *before_item = item_num;
- return -1;
- }
-
- }
-
- }
-
- /* If the mouse is below all the items, but inside the items' width,
- and before_item is not NULL, we set it to the number of items, so
- the dropped item would be added at the end. Note that this assumes
- that the item variable points to the last item in the EIconBar. */
- if (before_item) {
- if (icon_bar->view_type == E_ICON_BAR_LARGE_ICONS) {
- if (x < icon_bar->text_x
- || x >= icon_bar->text_x + icon_bar->text_w)
- return -1;
-
- if (item == NULL
- || y > item->icon_y + item->item_height)
- *before_item = icon_bar->items->len;
- } else {
- if (x < icon_bar->icon_x
- || x >= icon_bar->text_x + icon_bar->text_w)
- return -1;
-
- if (item == NULL) {
- *before_item = icon_bar->items->len;
- } else {
- gint max_y;
- max_y = MAX (item->icon_y + icon_bar->icon_h,
- item->text_y + item->text_height);
- if (y > max_y)
- *before_item = icon_bar->items->len;
- }
- }
- }
-
- return -1;
-}
-
-
-static gboolean
-e_icon_bar_large_icons_intersects (EIconBar *icon_bar,
- EIconBarItem *item,
- gint x,
- gint y)
-{
- if (y < item->icon_y || y >= item->text_y + item->text_height)
- return FALSE;
-
- if (y < item->icon_y + icon_bar->icon_h) {
- if (x < icon_bar->icon_x
- || x >= icon_bar->icon_x + icon_bar->icon_w)
- return FALSE;
- } else {
- if (x < item->text_x
- || x >= item->text_x + item->text_width)
- return FALSE;
- }
-
- return TRUE;
-}
-
-
-static gboolean
-e_icon_bar_large_icons_is_before (EIconBar *icon_bar,
- EIconBarItem *item,
- gint x,
- gint y)
-{
- if (y < item->icon_y - icon_bar->spacing
- || y >= item->icon_y)
- return FALSE;
-
- if (x < icon_bar->text_x || x >= icon_bar->text_x + icon_bar->text_w)
- return FALSE;
-
- return TRUE;
-}
-
-
-static gboolean
-e_icon_bar_small_icons_intersects (EIconBar *icon_bar,
- EIconBarItem *item,
- gint x,
- gint y)
-{
- gint min_y, max_y;
-
- min_y = MIN (item->icon_y, item->text_y);
- max_y = MAX (item->icon_y + icon_bar->icon_h,
- item->text_y + item->text_height);
-
- if (y < min_y || y >= max_y)
- return FALSE;
-
- if (x < icon_bar->icon_x || x >= item->text_x + item->text_width)
- return FALSE;
-
- return TRUE;
-}
-
-
-static gboolean
-e_icon_bar_small_icons_is_before (EIconBar *icon_bar,
- EIconBarItem *item,
- gint x,
- gint y)
-{
- gint min_y, max_y;
-
- max_y = MIN (item->icon_y, item->text_y);
- min_y = max_y - icon_bar->spacing;
-
- if (y < min_y || y >= max_y)
- return FALSE;
-
- if (x < icon_bar->icon_x || x >= icon_bar->text_x + icon_bar->text_w)
- return FALSE;
-
- return TRUE;
-}
-
-
-/**
- * e_icon_bar_start_editing_item:
- * @icon_bar: An #EIconBar.
- * @item_num: The index of the item.
- *
- * Turns the item into an editable text field so the user can rename it.
- * Editing is stopped automatically when the user hits 'Return' or clicks
- * outside the item. It can also be stopped explicitly by calling
- * e_icon_bar_stop_editing_item().
- **/
-void
-e_icon_bar_start_editing_item (EIconBar *icon_bar,
- gint item_num)
-{
- EIconBarItem *item;
-
- g_return_if_fail (E_IS_ICON_BAR (icon_bar));
- g_return_if_fail (item_num >= 0);
- g_return_if_fail (item_num < icon_bar->items->len);
-
- item = &g_array_index (icon_bar->items,
- EIconBarItem, item_num);
- e_canvas_item_grab_focus (item->text);
-}
-
-
-/**
- * e_icon_bar_stop_editing_item:
- * @icon_bar: An #EIconBar.
- * @accept: TRUE if the changes should be accepted, FALSE if the text should be
- * changed back to its state before the editing started.
- *
- * Stops the editing of the items, if any were being edited.
- **/
-void
-e_icon_bar_stop_editing_item (EIconBar *icon_bar,
- gboolean accept)
-{
- EIconBarItem *item;
- GtkWidget *toplevel;
-
- g_return_if_fail (E_IS_ICON_BAR (icon_bar));
-
- if (icon_bar->editing_item_num != -1) {
- item = &g_array_index (icon_bar->items, EIconBarItem,
- icon_bar->editing_item_num);
-
- toplevel = gtk_widget_get_toplevel (GTK_WIDGET (icon_bar));
- if (toplevel && GTK_IS_WINDOW (toplevel))
- gtk_window_set_focus (GTK_WINDOW (toplevel), NULL);
- }
-}
-
-
-static void
-e_icon_bar_on_editing_started (EIconBar *icon_bar,
- GnomeCanvasItem *item)
-{
- gint item_num;
- gdouble x1, y1, x2, y2;
-
- item_num = e_icon_bar_find_item (icon_bar, item);
- g_return_if_fail (item_num != -1);
-
- /* Turn off any highlighted item. */
- e_icon_bar_item_motion (icon_bar, -1, NULL);
-
- icon_bar->editing_item_num = item_num;
-
- e_icon_bar_ensure_edited_item_visible (icon_bar);
-
- /* Set the fg & bg colors. */
- gnome_canvas_item_set (item,
- "fill_color_gdk", &icon_bar->colors[E_ICON_BAR_COLOR_EDITING_TEXT],
- NULL);
-
- /* Create the edit rect if necessary. */
- if (!icon_bar->edit_rect_item) {
- icon_bar->edit_rect_item =
- gnome_canvas_item_new (GNOME_CANVAS_GROUP (GNOME_CANVAS (icon_bar)->root),
- gnome_canvas_rect_get_type(),
- "fill_color_gdk", &icon_bar->colors[E_ICON_BAR_COLOR_EDITING_RECT],
- "outline_color_gdk", &icon_bar->colors[E_ICON_BAR_COLOR_EDITING_RECT_OUTLINE],
- NULL);
- }
-
- gnome_canvas_item_get_bounds (item, &x1, &y1, &x2, &y2);
- gnome_canvas_item_set (icon_bar->edit_rect_item,
- "x1", x1 - 1,
- "y1", y1 - 1,
- "x2", x2 + 1,
- "y2", y2 + 1,
- NULL);
- gnome_canvas_item_show (icon_bar->edit_rect_item);
-
- /* Make sure the text item is on top. */
- gnome_canvas_item_raise_to_top (item);
-}
-
-
-static void
-e_icon_bar_on_editing_stopped (EIconBar *icon_bar,
- GnomeCanvasItem *item)
-{
- gint item_num;
-
- item_num = e_icon_bar_find_item (icon_bar, item);
- g_return_if_fail (item_num != -1);
-
- icon_bar->editing_item_num = -1;
-
- e_icon_bar_update_highlight (icon_bar);
-
- /* Reset the fg & bg colors. */
- gnome_canvas_item_set (item,
- "fill_color_gdk", &icon_bar->colors[E_ICON_BAR_COLOR_TEXT],
- NULL);
-
- if (icon_bar->edit_rect_item) {
- gnome_canvas_item_hide (icon_bar->edit_rect_item);
- }
-}
-
-
-static void
-e_icon_bar_ensure_edited_item_visible (EIconBar *icon_bar)
-{
- EIconBarItem *item;
- gint scroll_x, scroll_y, min_scroll_y, max_scroll_y, new_scroll_y;
-
- if (icon_bar->editing_item_num == -1)
- return;
-
- item = &g_array_index (icon_bar->items,
- EIconBarItem, icon_bar->editing_item_num);
- gnome_canvas_get_scroll_offsets (GNOME_CANVAS (icon_bar),
- &scroll_x, &scroll_y);
-
- /* The minimum scroll y position is with the text right on the bottom
- of the display. */
- min_scroll_y = item->text_y + item->text_height + E_ICON_BAR_V_SPACE
- - GTK_WIDGET (icon_bar)->allocation.height;
- /* The maximum scroll y position is with the text at the top. */
- max_scroll_y = item->text_y - E_ICON_BAR_V_SPACE;
-
- new_scroll_y = MAX (scroll_y, min_scroll_y);
- new_scroll_y = MIN (new_scroll_y, max_scroll_y);
-
- if (new_scroll_y != scroll_y)
- gnome_canvas_scroll_to (GNOME_CANVAS (icon_bar),
- scroll_x, new_scroll_y);
-}
-
-
-/* This gets the mouse position and updates the highlight if necessary.
- It is called after items are added/deleted/scrolled/edited. */
-static void
-e_icon_bar_update_highlight (EIconBar *icon_bar)
-{
- GtkWidget *widget;
- gint x, y, item_num;
-
- widget = GTK_WIDGET (icon_bar);
-
- if (!widget->window)
- return;
-
- gdk_window_get_pointer (widget->window, &x, &y, NULL);
-
- if (x < 0 || y < 0
- || x > widget->allocation.width || y > widget->allocation.height)
- return;
-
- item_num = e_icon_bar_find_item_at_position (icon_bar, x, y, NULL);
- e_icon_bar_item_motion (icon_bar, item_num, NULL);
-}
-
-
-static gint
-e_icon_bar_drag_motion (GtkWidget *widget,
- GdkDragContext *context,
- gint x,
- gint y,
- guint time)
-{
- EIconBar *icon_bar;
- gint item_num, before_item, scroll_x, scroll_y;
-
- g_return_val_if_fail (E_IS_ICON_BAR (widget), FALSE);
-
- icon_bar = E_ICON_BAR (widget);
-
- icon_bar->in_drag = TRUE;
-
- /* Check if the mouse is over or between items, and if so highlight. */
- gnome_canvas_get_scroll_offsets (GNOME_CANVAS (icon_bar),
- &scroll_x, &scroll_y);
- item_num = e_icon_bar_find_item_at_position (icon_bar,
- x + scroll_x,
- y + scroll_y,
- &before_item);
- e_icon_bar_item_motion (icon_bar, item_num, NULL);
- e_icon_bar_set_dragging_before_item (icon_bar, before_item);
-
- /* Check if the mouse is at the top or bottom of the bar, and if it is
- scroll up/down. */
- if (y < E_ICON_BAR_DRAG_AUTO_SCROLL_OFFSET)
- icon_bar->scrolling_up = TRUE;
- else if (y >= widget->allocation.height - E_ICON_BAR_DRAG_AUTO_SCROLL_OFFSET)
- icon_bar->scrolling_up = FALSE;
- else {
- if (icon_bar->auto_scroll_timeout_id != 0) {
- gtk_timeout_remove (icon_bar->auto_scroll_timeout_id);
- icon_bar->auto_scroll_timeout_id = 0;
- }
- return FALSE;
- }
-
- if (icon_bar->auto_scroll_timeout_id == 0) {
- icon_bar->auto_scroll_timeout_id = g_timeout_add (E_ICON_BAR_SCROLL_TIMEOUT, e_icon_bar_timeout_handler, icon_bar);
- icon_bar->auto_scroll_delay = E_ICON_BAR_SCROLL_DELAY;
- }
-
- return FALSE;
-}
-
-
-static void
-e_icon_bar_drag_leave (GtkWidget *widget,
- GdkDragContext *context,
- guint time)
-{
- EIconBar *icon_bar;
-
- g_return_if_fail (E_IS_ICON_BAR (widget));
-
- icon_bar = E_ICON_BAR (widget);
-
- icon_bar->in_drag = FALSE;
-
- if (icon_bar->auto_scroll_timeout_id != 0) {
- gtk_timeout_remove (icon_bar->auto_scroll_timeout_id);
- icon_bar->auto_scroll_timeout_id = 0;
- }
-
- if (icon_bar->mouse_over_item_num != -1) {
- icon_bar->mouse_over_item_num = -1;
- gtk_widget_queue_draw (GTK_WIDGET (icon_bar));
- }
-}
-
-
-static void
-e_icon_bar_set_dragging_before_item (EIconBar *icon_bar,
- gint before_item)
-{
- if (icon_bar->dragging_before_item_num == before_item)
- return;
-
- icon_bar->dragging_before_item_num = before_item;
-
- gtk_widget_queue_draw (GTK_WIDGET (icon_bar));
-}
-
-
-static gboolean
-e_icon_bar_timeout_handler (gpointer data)
-{
- EIconBar *icon_bar;
- gint scroll_x, scroll_y, new_scroll_y;
- GtkAdjustment *adj;
-
- g_return_val_if_fail (E_IS_ICON_BAR (data), FALSE);
-
- icon_bar = E_ICON_BAR (data);
-
- GDK_THREADS_ENTER ();
-
- if (icon_bar->auto_scroll_delay > 0) {
- icon_bar->auto_scroll_delay--;
- GDK_THREADS_LEAVE ();
- return TRUE;
- }
-
- gnome_canvas_get_scroll_offsets (GNOME_CANVAS (icon_bar),
- &scroll_x, &scroll_y);
-
- adj = GTK_LAYOUT (icon_bar)->vadjustment;
-
- if (icon_bar->scrolling_up)
- new_scroll_y = MAX (scroll_y - adj->step_increment, 0);
- else
- new_scroll_y = MIN (scroll_y + adj->step_increment,
- adj->upper - adj->page_size);
-
- if (new_scroll_y != scroll_y)
- gnome_canvas_scroll_to (GNOME_CANVAS (icon_bar),
- scroll_x, new_scroll_y);
-
- GDK_THREADS_LEAVE ();
- return TRUE;
-}