diff options
Diffstat (limited to 'libnautilus-extensions/nautilus-clickable-image.c')
| -rw-r--r-- | libnautilus-extensions/nautilus-clickable-image.c | 660 |
1 files changed, 0 insertions, 660 deletions
diff --git a/libnautilus-extensions/nautilus-clickable-image.c b/libnautilus-extensions/nautilus-clickable-image.c deleted file mode 100644 index df6f42f9a..000000000 --- a/libnautilus-extensions/nautilus-clickable-image.c +++ /dev/null @@ -1,660 +0,0 @@ -/* -*- Mode: C; indent-tabs-mode: t; c-basic-offset: 8; tab-width: 8 -*- */ - -/* nautilus-clickable-image.c - A clickable image widget. - - Copyright (C) 2000 Eazel, Inc. - - The Gnome 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. - - The Gnome 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 the Gnome Library; see the file COPYING.LIB. If not, - write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, - Boston, MA 02111-1307, USA. - - Authors: Ramiro Estrugo <ramiro@eazel.com> -*/ - -#include <config.h> - -#include "nautilus-clickable-image.h" - -#include "nautilus-gtk-macros.h" -#include "nautilus-gtk-extensions.h" -#include "nautilus-art-gtk-extensions.h" -#include "nautilus-graphic-effects.h" - -#include <gtk/gtkmain.h> - -/* Arguments */ -enum -{ - ARG_0, - ARG_POINTER_INSIDE, -}; - -/* Signals */ -typedef enum -{ - CLICKED, - ENTER, - LEAVE, - LAST_SIGNAL -} ImageSignal; - -/* Signals */ -static guint clickable_image_signals[LAST_SIGNAL] = { 0 }; - -/* Detail member struct */ -struct _NautilusClickableImageDetails -{ - gboolean pointer_inside; - gboolean prelight; - - GdkPixbuf *pixbuf; - GdkPixbuf *prelight_pixbuf; -}; - -/* GtkObjectClass methods */ -static void nautilus_clickable_image_initialize_class (NautilusClickableImageClass *image_class); -static void nautilus_clickable_image_initialize (NautilusClickableImage *image); -static void nautilus_clickable_image_destroy (GtkObject *object); -static void nautilus_clickable_image_get_arg (GtkObject *object, - GtkArg *arg, - guint arg_id); -/* GtkWidgetClass methods */ -static int nautilus_clickable_image_expose_event (GtkWidget *widget, - GdkEventExpose *event); -static void nautilus_clickable_image_realize (GtkWidget *widget); - -/* Ancestor callbacks */ -static int ancestor_enter_notify_event (GtkWidget *widget, - GdkEventCrossing *event, - gpointer event_data); -static int ancestor_leave_notify_event (GtkWidget *widget, - GdkEventCrossing *event, - gpointer event_data); -static int ancestor_motion_notify_event (GtkWidget *widget, - GdkEventMotion *event, - gpointer event_data); -static int ancestor_button_press_event (GtkWidget *widget, - GdkEventButton *event, - gpointer event_data); -static int ancestor_button_release_event (GtkWidget *widget, - GdkEventButton *event, - gpointer event_data); - -NAUTILUS_DEFINE_CLASS_BOILERPLATE (NautilusClickableImage, nautilus_clickable_image, NAUTILUS_TYPE_LABELED_IMAGE) - -/* Class init methods */ -static void -nautilus_clickable_image_initialize_class (NautilusClickableImageClass *image_class) -{ - GtkObjectClass *object_class = GTK_OBJECT_CLASS (image_class); - GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (image_class); - - /* GtkObjectClass */ - object_class->destroy = nautilus_clickable_image_destroy; - object_class->get_arg = nautilus_clickable_image_get_arg; - - /* GtkWidgetClass */ - widget_class->expose_event = nautilus_clickable_image_expose_event; - widget_class->realize = nautilus_clickable_image_realize; - - /* Signals */ - clickable_image_signals[CLICKED] = gtk_signal_new ("clicked", - GTK_RUN_LAST, - object_class->type, - 0, - gtk_marshal_NONE__NONE, - GTK_TYPE_NONE, - 0); - - clickable_image_signals[ENTER] = gtk_signal_new ("enter", - GTK_RUN_LAST, - object_class->type, - 0, - gtk_marshal_NONE__NONE, - GTK_TYPE_NONE, - 0); - - clickable_image_signals[LEAVE] = gtk_signal_new ("leave", - GTK_RUN_LAST, - object_class->type, - 0, - gtk_marshal_NONE__NONE, - GTK_TYPE_NONE, - 0); - - gtk_object_class_add_signals (object_class, clickable_image_signals, LAST_SIGNAL); - - /* Arguments */ - gtk_object_add_arg_type ("NautilusClickableImage::pointer_inside", - GTK_TYPE_BOOL, - GTK_ARG_READABLE, - ARG_POINTER_INSIDE); -} - -void -nautilus_clickable_image_initialize (NautilusClickableImage *image) -{ - image->details = g_new0 (NautilusClickableImageDetails, 1); -} - -/* GtkObjectClass methods */ -static void -nautilus_clickable_image_destroy (GtkObject *object) -{ - NautilusClickableImage *clickable_image; - - g_return_if_fail (NAUTILUS_IS_CLICKABLE_IMAGE (object)); - - clickable_image = NAUTILUS_CLICKABLE_IMAGE (object); - - g_free (clickable_image->details); - - /* Chain destroy */ - NAUTILUS_CALL_PARENT (GTK_OBJECT_CLASS, destroy, (object)); -} - -static void -nautilus_clickable_image_get_arg (GtkObject *object, - GtkArg *arg, - guint arg_id) -{ - NautilusClickableImage *clickable_image; - - g_return_if_fail (NAUTILUS_IS_CLICKABLE_IMAGE (object)); - - clickable_image = NAUTILUS_CLICKABLE_IMAGE (object); - - switch (arg_id) - { - case ARG_POINTER_INSIDE: - GTK_VALUE_BOOL (*arg) = clickable_image->details->pointer_inside; - break; - - default: - g_assert_not_reached (); - } -} - -/* GtkWidgetClass methods */ -static void -nautilus_clickable_image_realize (GtkWidget *widget) -{ - NautilusClickableImage *clickable_image; - GtkWidget *windowed_ancestor; - - g_return_if_fail (NAUTILUS_IS_CLICKABLE_IMAGE (widget)); - - clickable_image = NAUTILUS_CLICKABLE_IMAGE (widget); - - /* Chain realize */ - NAUTILUS_CALL_PARENT (GTK_WIDGET_CLASS, realize, (widget)); - - windowed_ancestor = nautilus_gtk_widget_find_windowed_ancestor (widget); - g_assert (GTK_IS_WIDGET (windowed_ancestor)); - - gtk_widget_add_events (windowed_ancestor, - GDK_BUTTON_PRESS_MASK - | GDK_BUTTON_RELEASE_MASK - | GDK_ENTER_NOTIFY_MASK - | GDK_LEAVE_NOTIFY_MASK - | GDK_POINTER_MOTION_MASK); - - nautilus_gtk_signal_connect_while_realized (GTK_OBJECT (windowed_ancestor), - "enter_notify_event", - GTK_SIGNAL_FUNC (ancestor_enter_notify_event), - widget, - widget); - - nautilus_gtk_signal_connect_while_realized (GTK_OBJECT (windowed_ancestor), - "leave_notify_event", - GTK_SIGNAL_FUNC (ancestor_leave_notify_event), - widget, - widget); - - nautilus_gtk_signal_connect_while_realized (GTK_OBJECT (windowed_ancestor), - "motion_notify_event", - GTK_SIGNAL_FUNC (ancestor_motion_notify_event), - widget, - widget); - - nautilus_gtk_signal_connect_while_realized (GTK_OBJECT (windowed_ancestor), - "button_press_event", - GTK_SIGNAL_FUNC (ancestor_button_press_event), - widget, - widget); - - nautilus_gtk_signal_connect_while_realized (GTK_OBJECT (windowed_ancestor), - "button_release_event", - GTK_SIGNAL_FUNC (ancestor_button_release_event), - widget, - widget); -} - -static void -label_enter (NautilusClickableImage *clickable_image) -{ - g_return_if_fail (NAUTILUS_IS_CLICKABLE_IMAGE (clickable_image)); - - clickable_image->details->pointer_inside = TRUE; - - if (clickable_image->details->prelight) { - nautilus_labeled_image_set_pixbuf (NAUTILUS_LABELED_IMAGE (clickable_image), - clickable_image->details->prelight_pixbuf); - } - - gtk_widget_set_state (GTK_WIDGET (clickable_image), GTK_STATE_PRELIGHT); - - gtk_signal_emit (GTK_OBJECT (clickable_image), - clickable_image_signals[ENTER], - clickable_image); -} - -static void -label_leave (NautilusClickableImage *clickable_image) -{ - g_return_if_fail (NAUTILUS_IS_CLICKABLE_IMAGE (clickable_image)); - - clickable_image->details->pointer_inside = FALSE; - - if (clickable_image->details->prelight) { - nautilus_labeled_image_set_pixbuf (NAUTILUS_LABELED_IMAGE (clickable_image), - clickable_image->details->pixbuf); - } - - gtk_widget_set_state (GTK_WIDGET (clickable_image), GTK_STATE_NORMAL); - - gtk_signal_emit (GTK_OBJECT (clickable_image), - clickable_image_signals[LEAVE], - clickable_image); -} - -static void -label_handle_motion (NautilusClickableImage *clickable_image, - int x, - int y) -{ - ArtIRect bounds; - - g_return_if_fail (NAUTILUS_IS_CLICKABLE_IMAGE (clickable_image)); - - bounds = nautilus_gtk_widget_get_bounds (GTK_WIDGET (clickable_image)); - - if (nautilus_art_irect_contains_point (&bounds, x, y)) { - /* Inside */ - if (!clickable_image->details->pointer_inside) { - label_enter (clickable_image); - } - } else { - /* Outside */ - if (clickable_image->details->pointer_inside) { - label_leave (clickable_image); - } - } -} - -static void -label_handle_button_press (NautilusClickableImage *clickable_image) -{ - g_return_if_fail (NAUTILUS_IS_CLICKABLE_IMAGE (clickable_image)); - - gtk_widget_set_state (GTK_WIDGET (clickable_image), GTK_STATE_ACTIVE); - gtk_widget_queue_draw (GTK_WIDGET (clickable_image)); -} - -static void -label_handle_button_release (NautilusClickableImage *clickable_image) -{ - g_return_if_fail (NAUTILUS_IS_CLICKABLE_IMAGE (clickable_image)); - - gtk_widget_set_state (GTK_WIDGET (clickable_image), GTK_STATE_PRELIGHT); - gtk_widget_queue_draw (GTK_WIDGET (clickable_image)); - - gtk_signal_emit (GTK_OBJECT (clickable_image), - clickable_image_signals[CLICKED], - clickable_image); -} - -static void -adjust_coordinates_for_window (GdkWindow *widget_window, - GdkWindow *event_window, - int *x, - int *y) -{ - GdkWindow *window; - int wx, wy; - - /* Viewports place their children in a different GdkWindow - * than their own widget window (perhaps other containers do - * this to). Therefore if the event we got is on a different - * GdkWindow than our own, adjust the coordinates. - */ - - window = widget_window; - - while (window != event_window && window != NULL) { - gdk_window_get_position (window, &wx, &wy); - *x -= wx; - *y -= wy; - window = gdk_window_get_parent (window); - } -} - -static int -ancestor_enter_notify_event (GtkWidget *widget, - GdkEventCrossing *event, - gpointer event_data) -{ - int x, y; - - g_return_val_if_fail (GTK_IS_WIDGET (widget), FALSE); - g_return_val_if_fail (NAUTILUS_IS_CLICKABLE_IMAGE (event_data), FALSE); - g_return_val_if_fail (event != NULL, FALSE); - - x = event->x; - y = event->y; - - adjust_coordinates_for_window (GTK_WIDGET (event_data)->window, - widget->window, - &x, &y); - - label_handle_motion (NAUTILUS_CLICKABLE_IMAGE (event_data), x, y); - - return FALSE; -} - -static int -ancestor_leave_notify_event (GtkWidget *widget, - GdkEventCrossing *event, - gpointer event_data) -{ - int x, y; - - g_return_val_if_fail (GTK_IS_WIDGET (widget), FALSE); - g_return_val_if_fail (NAUTILUS_IS_CLICKABLE_IMAGE (event_data), FALSE); - g_return_val_if_fail (event != NULL, FALSE); - - x = event->x; - y = event->y; - - adjust_coordinates_for_window (GTK_WIDGET (event_data)->window, - widget->window, - &x, &y); - - label_handle_motion (NAUTILUS_CLICKABLE_IMAGE (event_data), x, y); - - return FALSE; -} - -static int -ancestor_motion_notify_event (GtkWidget *widget, - GdkEventMotion *event, - gpointer event_data) -{ - int x, y; - - g_return_val_if_fail (GTK_IS_WIDGET (widget), FALSE); - g_return_val_if_fail (NAUTILUS_IS_CLICKABLE_IMAGE (event_data), FALSE); - g_return_val_if_fail (event != NULL, FALSE); - - x = event->x; - y = event->y; - - adjust_coordinates_for_window (GTK_WIDGET (event_data)->window, - widget->window, - &x, &y); - - label_handle_motion (NAUTILUS_CLICKABLE_IMAGE (event_data), x, y); - - return FALSE; -} - -static int -ancestor_button_press_event (GtkWidget *widget, - GdkEventButton *event, - gpointer event_data) -{ - NautilusClickableImage *clickable_image; - - g_return_val_if_fail (GTK_IS_WIDGET (widget), FALSE); - g_return_val_if_fail (NAUTILUS_IS_CLICKABLE_IMAGE (event_data), FALSE); - g_return_val_if_fail (event != NULL, FALSE); - - clickable_image = NAUTILUS_CLICKABLE_IMAGE (event_data); - - gtk_grab_add (widget); - - if (clickable_image->details->pointer_inside) { - label_handle_button_press (NAUTILUS_CLICKABLE_IMAGE (event_data)); - } - - return FALSE; -} - -static int -ancestor_button_release_event (GtkWidget *widget, - GdkEventButton *event, - gpointer event_data) -{ - NautilusClickableImage *clickable_image; - int x, y; - - g_return_val_if_fail (GTK_IS_WIDGET (widget), FALSE); - g_return_val_if_fail (NAUTILUS_IS_CLICKABLE_IMAGE (event_data), FALSE); - g_return_val_if_fail (event != NULL, FALSE); - - clickable_image = NAUTILUS_CLICKABLE_IMAGE (event_data); - - gtk_grab_remove (widget); - - x = event->x; - y = event->y; - - adjust_coordinates_for_window (GTK_WIDGET (event_data)->window, - widget->window, - &x, &y); - - label_handle_motion (NAUTILUS_CLICKABLE_IMAGE (event_data), x, y); - - if (clickable_image->details->pointer_inside) { - label_handle_button_release (NAUTILUS_CLICKABLE_IMAGE (event_data)); - } - - return FALSE; -} - -static int -nautilus_clickable_image_expose_event (GtkWidget *widget, - GdkEventExpose *event) -{ - NautilusClickableImage *clickable_image; - - g_return_val_if_fail (NAUTILUS_IS_CLICKABLE_IMAGE (widget), TRUE); - g_return_val_if_fail (event != NULL, TRUE); - g_return_val_if_fail (event->window == widget->window, TRUE); - g_return_val_if_fail (GTK_WIDGET_REALIZED (widget), TRUE); - - clickable_image = NAUTILUS_CLICKABLE_IMAGE (widget); - - /* Chain expose */ - return NAUTILUS_CALL_PARENT_WITH_RETURN_VALUE - (GTK_WIDGET_CLASS, expose_event, (widget, event)); -} - -static void -nautilus_clickable_image_set_up_pixbufs (NautilusClickableImage *clickable_image) -{ - clickable_image->details->pixbuf = - nautilus_labeled_image_get_pixbuf (NAUTILUS_LABELED_IMAGE (clickable_image)); - - if (clickable_image->details->pixbuf != NULL) { - clickable_image->details->prelight_pixbuf = nautilus_create_spotlight_pixbuf - (clickable_image->details->pixbuf); - } -} - -/* Public NautilusClickableImage methods */ - -/** - * nautilus_clickable_image_new: - * - * @text: Text for label or NULL. - * @pixbuf: A GdkPixbuf to or NULL. - - * Create a clickable image with a solid background. - * - * Return value: The newly allocated NautilusClickableImage with the - * given text and pixbuf. Either of these two can be NULL. - */ -GtkWidget* -nautilus_clickable_image_new (const char *text, - GdkPixbuf *pixbuf) -{ - NautilusClickableImage *clickable_image; - - clickable_image = NAUTILUS_CLICKABLE_IMAGE (gtk_widget_new (nautilus_clickable_image_get_type (), NULL)); - - if (pixbuf != NULL) { - nautilus_labeled_image_set_pixbuf (NAUTILUS_LABELED_IMAGE (clickable_image), pixbuf); - } - - if (text != NULL) { - nautilus_labeled_image_set_text (NAUTILUS_LABELED_IMAGE (clickable_image), text); - } - - return GTK_WIDGET (clickable_image); -} - -GtkWidget* -nautilus_clickable_image_new_from_file_name (const char *text, - const char *pixbuf_file_name) -{ - NautilusClickableImage *clickable_image; - - g_return_val_if_fail (pixbuf_file_name != NULL, NULL); - - clickable_image = NAUTILUS_CLICKABLE_IMAGE (nautilus_clickable_image_new (text, NULL)); - - nautilus_labeled_image_set_pixbuf_from_file_name (NAUTILUS_LABELED_IMAGE (clickable_image), pixbuf_file_name); - - return GTK_WIDGET (clickable_image); -} - -/** - * nautilus_clickable_image_new_solid: - * - * @text: Text for label or NULL. - * @pixbuf: A GdkPixbuf to or NULL. - * @drop_shadow_offset: Drop shadow offset. - * @drop_shadow_color: Drop shadow color. - * @text_color: Text color. - * @x_alignment: Horizontal alignment. - * @y_alignmtn: Vertical alignment. - * @x_padding: Horizontal padding. - * @y_padding: Vertical padding. - * @background_color: Background color. - * @tile_pixbuf: A GdkPixbuf or NULL. - * - * Create a clickable image with a solid background. - * - * Return value: The newly allocated NautilusClickableImage with the - * given attributes. - */ -GtkWidget * -nautilus_clickable_image_new_solid (const char *text, - GdkPixbuf *pixbuf, - guint drop_shadow_offset, - guint32 drop_shadow_color, - guint32 text_color, - float x_alignment, - float y_alignment, - int x_padding, - int y_padding, - guint32 background_color, - GdkPixbuf *tile_pixbuf) -{ - NautilusClickableImage *clickable_image; - NautilusLabeledImage *labeled_image; - - clickable_image = NAUTILUS_CLICKABLE_IMAGE (gtk_widget_new (nautilus_clickable_image_get_type (), NULL)); - - labeled_image = NAUTILUS_LABELED_IMAGE (clickable_image); - - if (pixbuf != NULL) { - nautilus_labeled_image_set_pixbuf (labeled_image, pixbuf); - } - - if (text != NULL) { - nautilus_labeled_image_set_text (labeled_image, text); - } - - nautilus_labeled_image_set_background_mode (labeled_image, NAUTILUS_SMOOTH_BACKGROUND_SOLID_COLOR); - nautilus_labeled_image_set_solid_background_color (labeled_image, background_color); - nautilus_labeled_image_set_smooth_drop_shadow_color (labeled_image, drop_shadow_color); - nautilus_labeled_image_set_smooth_drop_shadow_offset (labeled_image, drop_shadow_offset); - nautilus_labeled_image_set_text_color (labeled_image, text_color); - - if (tile_pixbuf != NULL) { - nautilus_labeled_image_set_tile_pixbuf (labeled_image, tile_pixbuf); - } - - nautilus_labeled_image_set_x_padding (labeled_image, x_padding); - nautilus_labeled_image_set_y_padding (labeled_image, y_padding); - nautilus_labeled_image_set_x_alignment (labeled_image, x_alignment); - nautilus_labeled_image_set_y_alignment (labeled_image, y_alignment); - - return GTK_WIDGET (clickable_image); -} - -/** - * nautilus_clickable_image_new: - * - * @clickable_image: A NautilusClickableImage - * @prelight: a gboolean specifying wether to prelight - * - * Enable or disable auto-prelight mode. You can't change the pixbuf - * while prelight mode is on; as a workaround, you can turn prelight - * off, change the pixbuf, and then turn it back on. - * - */ - -void -nautilus_clickable_image_set_prelight (NautilusClickableImage *clickable_image, - gboolean prelight) -{ - /* FIXME: you can't change the pixbuf with prelight mode on */ - - if (!clickable_image->details->prelight && prelight) { - nautilus_clickable_image_set_up_pixbufs (clickable_image); - clickable_image->details->prelight = TRUE; - if (clickable_image->details->pointer_inside) { - nautilus_labeled_image_set_pixbuf - (NAUTILUS_LABELED_IMAGE (clickable_image), - clickable_image->details->prelight_pixbuf); - } - } - - if (clickable_image->details->prelight && !prelight) { - if (clickable_image->details->pointer_inside) { - nautilus_labeled_image_set_pixbuf - (NAUTILUS_LABELED_IMAGE (clickable_image), - clickable_image->details->pixbuf); - } - - gdk_pixbuf_unref (clickable_image->details->pixbuf); - clickable_image->details->pixbuf = NULL; - gdk_pixbuf_unref (clickable_image->details->prelight_pixbuf); - clickable_image->details->prelight_pixbuf = NULL; - clickable_image->details->prelight = FALSE; - } -} |