Work in progress - Federico

gnome/gdesktop-icon.c

@@ -0,0 +1,150 @@
+/* Desktop icon widget for the Midnight Commander
+ *
+ * Copyright (C) 1998 The Free Software Foundation
+ *
+ * Author: Federico Mena-Quintero <federico@nuclecu.unam.mx>
+ */
+
+#include <config.h>
+#include "desktop-icon.h"
+#include "gdesktop.h"
+
+
+static void desktop_icon_class_init (DesktopIconClass *class);
+static void desktop_icon_init       (DesktopIcon      *dicon);
+
+
+static GtkWindowClass *parent_class;
+
+
+GtkType
+desktop_icon_get_type (void)
+{
+	static GtkType desktop_icon_type = 0;
+
+	if (!desktop_icon_type) {
+		GtkTypeInfo desktop_icon_info = {
+			"DesktopIcon",
+			sizeof (DesktopIcon),
+			sizeof (DesktopIconClass),
+			(GtkClassInitFunc) desktop_icon_class_init,
+			(GtkObjectInitFunc) desktop_icon_init,
+			NULL, /* reserved_1 */
+			NULL, /* reserved_2 */
+			(GtkClassInitFunc) NULL
+		};
+
+		desktop_icon_type = gtk_type_unique (gtk_window_get_type (), &desktop_icon_info);
+	}
+
+	return desktop_icon_type;
+}
+
+static void
+desktop_icon_class_init (DesktopIconClass *class)
+{
+	GtkObjectClass *object_class;
+	GtkWidgetClass *widget_class;
+
+	objct_class = (GtkObjectClass *) class;
+	widget_class = (GtkWidgetClass *) class;
+
+	parent_class = gtk_type_class (gtk_window_get_type ());
+}
+
+static void
+desktop_icon_init (DesktopIcon *dicon)
+{
+	/* Create the canvas */
+
+	gtk_widget_push_visual (gdk_imlib_get_visual ());
+	gtk_widget_push_colormap (gdk_imlib_get_colormap ());
+
+	dicon->canvas = gnome_canvas_new ();
+
+	gtk_widget_pop_colormap ();
+	gtk_widget_pop_visual ();
+
+	gtk_container_add (GTK_CONTAINER (dicon), dicon->canvas);
+	gtk_widget_show (dicon->canvas);
+
+	/* Create the icon and the text items */
+
+	dicon->icon = gnome_canvas_item_new (gnome_canvas_root (dicon->canvas),
+					     gnome_canvas_image_get_type (),
+					     "anchor", GTK_ANCHOR_NW,
+					     NULL);
+
+	dicon->text = gnome_canvas_item_new (gnome_canvas_root (dicon->canvas),
+					     gnome_icon_text_item_get_type (),
+					     NULL);
+}
+
+GtkWidget *
+desktop_icon_new (char *image_file, char *text)
+{
+	DesktopIcon *dicon;
+
+	g_return_val_if_fail (image_file != NULL, NULL);
+	g_return_val_if_fail (text != NULL, NULL);
+
+	dicon = gtk_type_new (desktop_icon_get_type ());
+
+	desktop_icon_set_icon (dicon, image_file);
+	desktop_icon_set_text (dicon, text);
+
+	return GTK_WIDGET (dicon);
+}
+
+/* Resets the positions of the desktop icon's child items and recomputes the window's shape mask */
+static void
+reshape (DesktopIcon *dicon)
+{
+	/* FIXME */
+}
+
+void
+desktop_icon_set_icon (DesktopIcon *dicon, char *image_file)
+{
+	GdkImlibImage *im, *old_im;
+	GtkArg arg;
+
+	g_return_if_fail (dicon != NULL);
+	g_return_if_fail (IS_DESKTOP_ICON (dicon));
+	g_return_if_fail (image_file != NULL);
+
+	/* Load the new image */
+
+	if (!g_file_exists (image_file))
+		return;
+
+	im = gdk_imlib_load_image (image_file);
+	if (!im)
+		return;
+
+	/* Destroy the old image if it exists */
+
+	arg.name = "image";
+	gtk_object_getv (GTK_OBJECT (dicon), 1, &arg);
+
+	old_im = GTK_VALUE_POINTER (arg);
+
+	gnome_canvas_item_set (dicon->icon,
+			       "image", im,
+			       NULL);
+
+	if (old_im)
+		gdk_imlib_destroy_image (old_im);
+
+	reshape (dicon);
+}
+
+void
+desktop_icon_set_text (DesktopIcon *dicon, char *text)
+{
+	g_return_if_fail (dicon != NULL);
+	g_return_if_fail (IS_DESKTOP_ICON (dicon));
+	g_return_if_fail (text != NULL);
+
+	/* FIXME */
+}

gnome/gdesktop-icon.h

@@ -0,0 +1,59 @@
+/* Desktop icon widget for the Midnight Commander
+ *
+ * Copyright (C) 1998 The Free Software Foundation
+ *
+ * Author: Federico Mena-Quintero <federico@nuclecu.unam.mx>
+ */
+
+#ifndef DESKTOP_ICON_H
+#define DESKTOP_ICON_H
+
+#include <libgnome/gnome-defs.h>
+#include <gtk/gtkwindow.h>
+#include <libgnomeui/gnome-icon-text.h>
+
+BEGIN_GNOME_DECLS
+
+
+#define TYPE_DESKTOP_ICON            (desktop_icon_get_type ())
+#define DESKTOP_ICON(obj)            (GTK_CHECK_CAST ((obj), TYPE_DESKTOP_ICON, DesktopIcon))
+#define DESKTOP_ICON_CLASS(klass)    (GTK_CHECK_CLASS_CAST ((klass), TYPE_DESKTOP_ICON, DesktopIconClass))
+#define IS_DESKTOP_ICON(obj)         (GTK_CHECK_TYPE ((obj), TYPE_DESKTOP_ICON))
+#define IS_DESKTOP_ICON_CLASS(klass) (GTK_CHECK_CLASS_TYPE ((klass), TYPE_DESKTOP_ICON))
+
+
+typedef struct _DesktopIcon DesktopIcon;
+typedef struct _DesktopIconClass DesktopIconClass;
+
+struct _DesktopIcon {
+	GtkWindow window;
+
+	GtkWidget *canvas;		/* The canvas that holds the icon and the icon text item */
+
+	GnomeCanvasItem *icon;		/* The item that contains the icon */
+	GnomeCanvasItem *text;		/* The item that contains the editable text */
+
+	int width, height;		/* Size of the window */
+};
+
+struct _DesktopIconClass {
+	GtkWindowClass parent_class;
+};
+
+
+/* Standard Gtk function */
+GtkType desktop_icon_get_type (void);
+
+/* Creates a new desktop icon from the specified image file, and with the specified title */
+GtkWidget *desktop_icon_new (char *image_file, char *text);
+
+/* Sets the icon from the specified file name */
+void desktop_icon_set_icon (DesktopIcon *dicon, char *image_file);
+
+/* Sets the icon's text */
+void desktop_icon_set_text (DesktopIcon *dicon, char *text);
+
+
+END_GNOME_DECLS
+
+#endif