--- /dev/null
+/* Gnome-Streamer
+ * Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+
+#include <gnome.h>
+#include <gst/gst.h>
+
+#include "gsteditor.h"
+
+/* class functions */
+static void gst_editor_padtemplate_class_init(GstEditorPadTemplateClass *klass);
+static void gst_editor_padtemplate_init(GstEditorPadTemplate *padtemplate);
+static void gst_editor_padtemplate_set_arg(GtkObject *object,GtkArg *arg,guint id);
+static void gst_editor_padtemplate_get_arg(GtkObject *object,GtkArg *arg,guint id);
+static void gst_editor_padtemplate_realize(GstEditorPadTemplate *padtemplate);
+
+/* class implementation functions */
+//static void gst_editor_pad_update(GnomeCanvasItem *item,double *affine,
+// ArtSVP *clip_path,int flags);
+//static gint gst_editor_pad_event(GnomeCanvasItem *item,GdkEvent *event);
+
+/* events fired by items within self */
+static gint gst_editor_padtemplate_padbox_event(GnomeCanvasItem *item,
+ GdkEvent *event,
+ GstEditorPadTemplate *padtemplate);
+
+/* utility functions */
+static void gst_editor_padtemplate_resize(GstEditorPadTemplate *padtemplate);
+
+
+enum {
+ ARG_0,
+ ARG_X,
+ ARG_Y,
+ ARG_WIDTH,
+ ARG_HEIGHT,
+ ARG_PADTEMPLATE,
+};
+
+enum {
+ LAST_SIGNAL
+};
+
+static GtkObjectClass *parent_class;
+//static guint gst_editor_padtemplate_signals[LAST_SIGNAL] = { 0 };
+
+GtkType
+gst_editor_padtemplate_get_type (void)
+{
+ static GtkType padtemplate_type = 0;
+
+ if (!padtemplate_type) {
+ static const GtkTypeInfo padtemplate_info = {
+ "GstEditorPadTemplate",
+ sizeof(GstEditorPadTemplate),
+ sizeof(GstEditorPadTemplateClass),
+ (GtkClassInitFunc)gst_editor_padtemplate_class_init,
+ (GtkObjectInitFunc)gst_editor_padtemplate_init,
+ NULL,
+ NULL,
+ (GtkClassInitFunc)NULL,
+ };
+ padtemplate_type = gtk_type_unique(gtk_object_get_type(),&padtemplate_info);
+ }
+ return padtemplate_type;
+}
+
+static void
+gst_editor_padtemplate_class_init (GstEditorPadTemplateClass *klass)
+{
+ GtkObjectClass *object_class;
+
+ object_class = (GtkObjectClass*)klass;
+
+ parent_class = gtk_type_class(gtk_object_get_type());
+
+ gtk_object_add_arg_type("GstEditorPadTemplate::x",GTK_TYPE_DOUBLE,
+ GTK_ARG_READWRITE,ARG_X);
+ gtk_object_add_arg_type("GstEditorPadTemplate::y",GTK_TYPE_DOUBLE,
+ GTK_ARG_READWRITE,ARG_Y);
+ gtk_object_add_arg_type("GstEditorPadTemplate::width",GTK_TYPE_DOUBLE,
+ GTK_ARG_READWRITE,ARG_WIDTH);
+ gtk_object_add_arg_type("GstEditorPadTemplate::height",GTK_TYPE_DOUBLE,
+ GTK_ARG_READWRITE,ARG_HEIGHT);
+ gtk_object_add_arg_type("GstEditorPadTemplate::padtemplate",GTK_TYPE_POINTER,
+ GTK_ARG_READWRITE,ARG_PADTEMPLATE);
+
+ klass->realize = gst_editor_padtemplate_realize;
+
+ object_class->set_arg = gst_editor_padtemplate_set_arg;
+ object_class->get_arg = gst_editor_padtemplate_get_arg;
+}
+
+static void
+gst_editor_padtemplate_init(GstEditorPadTemplate *padtemplate)
+{
+}
+
+GstEditorPadTemplate*
+gst_editor_padtemplate_new (GstEditorElement *parent,
+ GstPadTemplate *padtemplate,
+ const gchar *first_arg_name, ...)
+{
+ GstEditorPadTemplate *editorpadtemplate;
+ va_list args;
+
+ g_return_val_if_fail(parent != NULL, NULL);
+ g_return_val_if_fail(GST_IS_EDITOR_ELEMENT(parent), NULL);
+ g_return_val_if_fail(padtemplate != NULL, NULL);
+
+ editorpadtemplate = GST_EDITOR_PADTEMPLATE(gtk_type_new(GST_TYPE_EDITOR_PADTEMPLATE));
+ editorpadtemplate->padtemplate = padtemplate;
+ //GST_EDITOR_SET_OBJECT(padtemplate, editorpadtemplate);
+
+ va_start(args,first_arg_name);
+ gst_editor_padtemplate_construct(editorpadtemplate,parent,first_arg_name,args);
+ va_end(args);
+
+ return editorpadtemplate;
+}
+
+void
+gst_editor_padtemplate_construct (GstEditorPadTemplate *padtemplate,
+ GstEditorElement *parent,
+ const gchar *first_arg_name, va_list args)
+{
+ GtkObject *obj = GTK_OBJECT(padtemplate);
+ GSList *arg_list = NULL, *info_list = NULL;
+ gchar *error;
+ GstEditorPadTemplateClass *padtemplateclass;
+
+// g_print("in gst_editor_padtemplate_construct()\n");
+
+ error = gtk_object_args_collect(GTK_OBJECT_TYPE(obj),&arg_list,
+ &info_list,first_arg_name,args);
+ if (error) {
+ g_warning("gst_editor_padtemplate_construct(): %s",error);
+ g_free(error);
+ } else {
+ GSList *arg,*info;
+// g_print("setting all the arguments on the padtemplate\n");
+ for (arg=arg_list,info=info_list;arg;arg=arg->next,info=info->next)
+ gtk_object_arg_set(obj,arg->data,info->data);
+ gtk_args_collect_cleanup(arg_list,info_list);
+ }
+
+ padtemplate->parent = parent;
+
+ padtemplateclass = GST_EDITOR_PADTEMPLATE_CLASS(GTK_OBJECT(padtemplate)->klass);
+ if (padtemplateclass)
+ (padtemplateclass->realize)(padtemplate);
+}
+
+void
+gst_editor_padtemplate_add_pad (GstEditorPadTemplate *padtemplate,
+ GstPad *pad)
+{
+ GstEditorPad *editorpad;
+ g_print ("gsteditorpadtemplate: add pad\n");
+
+ editorpad = gst_editor_pad_new (padtemplate->parent, pad, NULL);
+
+ padtemplate->pads = g_list_prepend (padtemplate->pads, editorpad);
+}
+
+static void
+gst_editor_padtemplate_set_arg (GtkObject *object,GtkArg *arg,guint id)
+{
+ GstEditorPadTemplate *padtemplate;
+
+ /* get the major types of this object */
+ padtemplate = GST_EDITOR_PADTEMPLATE(object);
+
+ switch (id) {
+ case ARG_X:
+ padtemplate->x = GTK_VALUE_DOUBLE(*arg);
+ break;
+ case ARG_Y:
+ padtemplate->y = GTK_VALUE_DOUBLE(*arg);
+ break;
+ case ARG_WIDTH:
+ padtemplate->width = GTK_VALUE_DOUBLE(*arg);
+ padtemplate->resize = TRUE;
+ break;
+ case ARG_HEIGHT:
+ padtemplate->height = GTK_VALUE_DOUBLE(*arg);
+ padtemplate->resize = TRUE;
+ break;
+ case ARG_PADTEMPLATE:
+ /* FIXME: this is very brute force */
+ padtemplate->padtemplate = GTK_VALUE_POINTER(*arg);
+ break;
+ default:
+ g_warning("gsteditorpadtemplate: unknown arg!");
+ break;
+ }
+}
+
+static void
+gst_editor_padtemplate_get_arg (GtkObject *object,GtkArg *arg,guint id)
+{
+ GstEditorPadTemplate *padtemplate;
+
+ /* get the major types of this object */
+ padtemplate = GST_EDITOR_PADTEMPLATE(object);
+
+ switch (id) {
+ case ARG_X:
+ GTK_VALUE_INT(*arg) = padtemplate->x;
+ break;
+ case ARG_Y:
+ GTK_VALUE_INT(*arg) = padtemplate->y;
+ break;
+ case ARG_WIDTH:
+ GTK_VALUE_INT(*arg) = padtemplate->width;
+ break;
+ case ARG_HEIGHT:
+ GTK_VALUE_INT(*arg) = padtemplate->height;
+ break;
+ default:
+ arg->type = GTK_TYPE_INVALID;
+ break;
+ }
+}
+
+static void
+gst_editor_padtemplate_realize (GstEditorPadTemplate *padtemplate)
+{
+ g_print("realizing editor padtemplate %p\n",padtemplate);
+
+ /* we must be attached to an element */
+ g_return_if_fail(padtemplate->parent != NULL);
+
+ /* create the group and bounding box */
+ padtemplate->group = GNOME_CANVAS_GROUP(gnome_canvas_item_new(padtemplate->parent->group,
+ gnome_canvas_group_get_type(),"x",padtemplate->x,"y",padtemplate->y,NULL));
+ g_return_if_fail(padtemplate->group != NULL);
+ GST_EDITOR_SET_OBJECT(padtemplate->group,padtemplate);
+
+ padtemplate->border = gnome_canvas_item_new(padtemplate->group,
+ gnome_canvas_rect_get_type(),
+ "width_units",1.0,"fill_color_rgba", 0xFFCCCC00,"outline_color","black",
+ "x1",0.0,"y1",0.0,"x2",padtemplate->width,"y2",padtemplate->height,NULL);
+ g_return_if_fail(padtemplate->border != NULL);
+ GST_EDITOR_SET_OBJECT(padtemplate->border,padtemplate);
+
+ /* create the padtemplate box on the correct side */
+ padtemplate->issrc = (padtemplate->padtemplate->direction == GST_PAD_SRC);
+ if (padtemplate->issrc)
+ padtemplate->padtemplatebox = gnome_canvas_item_new(padtemplate->group,
+ gnome_canvas_rect_get_type(),
+ "width_units",1.0,"fill_color","white","outline_color","black",
+ "x1",padtemplate->x-4.0,"y1",2.0,"x2",padtemplate->x,"y2",padtemplate->height-2.0,NULL);
+ else
+ padtemplate->padtemplatebox = gnome_canvas_item_new(padtemplate->group,
+ gnome_canvas_rect_get_type(),
+ "width_units",1.0,"fill_color","white","outline_color","black",
+ "x1",0.0,"y1",2.0,"x2",4.0,"y2",padtemplate->height-2.0,NULL);
+ g_return_if_fail(padtemplate->padtemplatebox != NULL);
+ GST_EDITOR_SET_OBJECT(padtemplate->padtemplatebox,padtemplate);
+
+ gtk_signal_connect(GTK_OBJECT(padtemplate->group),"event",
+ GTK_SIGNAL_FUNC(gst_editor_padtemplate_padbox_event),padtemplate);
+
+ padtemplate->title = gnome_canvas_item_new(padtemplate->group,
+ gnome_canvas_text_get_type(),
+ "text",padtemplate->padtemplate->name_template,
+ "x",0.0,"y",0.0,"anchor",GTK_ANCHOR_NORTH_WEST,
+ "font_gdk",gtk_widget_get_default_style()->font,
+ NULL);
+ g_return_if_fail(padtemplate->title != NULL);
+ GST_EDITOR_SET_OBJECT(padtemplate->title,padtemplate);
+
+ padtemplate->realized = TRUE;
+ padtemplate->resize = TRUE;
+ gst_editor_padtemplate_repack(padtemplate);
+}
+
+
+static void
+gst_editor_padtemplate_resize (GstEditorPadTemplate *padtemplate)
+{
+ gdouble minwidth,minheight;
+
+// g_print("resizing padtemplate\n");
+
+ minwidth = 0;minheight = 0;
+
+ /* get the text size and add it into minsize */
+ minwidth = gst_util_get_double_arg(GTK_OBJECT(padtemplate->title),
+ "text_width") + 2.0;
+ minheight = gst_util_get_double_arg(GTK_OBJECT(padtemplate->title),
+ "text_height");
+
+ /* calculate the size of the padtemplatebox */
+ padtemplate->boxheight = minheight - 4.0;
+ padtemplate->boxwidth = padtemplate->boxheight / 2.0;
+ minwidth += padtemplate->boxwidth;
+
+ /* force the thing to grow if necessary */
+ padtemplate->width = MAX(padtemplate->width,minwidth);
+ padtemplate->height = MAX(padtemplate->height,minheight);
+
+ /* update the connection if there is one */
+// g_print("connection is %p\n",padtemplate->connection);
+ if (padtemplate->connection != NULL)
+ gst_editor_connection_resize(padtemplate->connection);
+}
+
+void
+gst_editor_padtemplate_repack (GstEditorPadTemplate *padtemplate)
+{
+ gdouble x1,y1,x2,y2;
+ GList *pads;
+
+ if (!padtemplate->realized) return;
+
+ gst_editor_padtemplate_resize(padtemplate);
+
+ x1 = 0;y1 = 0;
+ x2 = x1 + padtemplate->width;y2 = y1 + padtemplate->height;
+// g_print("repacking padtemplate at %.2fx%.2f %.2fx%.2f - %.2fx%.2f\n",padtemplate->x, padtemplate->y,x1,y1,x2,y2);
+
+ /* move the group */
+ gtk_object_set(GTK_OBJECT(padtemplate->group),"x",padtemplate->x,"y",padtemplate->y,NULL);
+
+ /* start by resizing the bordering box */
+ gtk_object_set(GTK_OBJECT(padtemplate->border),
+ "x1",x1,"y1",y1,"x2",x2,"y2",y2,NULL);
+
+ /* if we're a left-jusified sink */
+ if (padtemplate->issrc) {
+ /* and move the padtemplate box */
+ gtk_object_set(GTK_OBJECT(padtemplate->padtemplatebox),
+ "x1",x2-padtemplate->boxwidth,"y1",y1+2.0,
+ "x2",x2,"y2",y2-2.0,NULL);
+ /* then move the text to the right place */
+ gtk_object_set(GTK_OBJECT(padtemplate->title),
+ "x",x2-padtemplate->boxwidth-1.0,"y",y1,
+ "anchor",GTK_ANCHOR_NORTH_EAST,
+ NULL);
+ } else {
+ /* and move the padtemplate box */
+ gtk_object_set(GTK_OBJECT(padtemplate->padtemplatebox),
+ "x1",x1,"y1",y1+2.0,
+ "x2",x1+padtemplate->boxwidth,"y2",y2-2.0,NULL);
+ /* then move the text to the right place */
+ gtk_object_set(GTK_OBJECT(padtemplate->title),
+ "x",x1+padtemplate->boxwidth+1.0,"y",y1,
+ "anchor",GTK_ANCHOR_NORTH_WEST,
+ NULL);
+ }
+
+ pads = padtemplate->pads;
+ while (pads) {
+ GstEditorPad *pad = GST_EDITOR_PAD(pads->data);
+
+ if (!strcmp (gst_pad_get_name(pad->pad), padtemplate->padtemplate->name_template)) {
+ gtk_object_set(GTK_OBJECT(pad),"x",padtemplate->x,"y",padtemplate->y,NULL);
+ }
+ else {
+ gtk_object_set(GTK_OBJECT(pad),"x",padtemplate->x,"y",padtemplate->y+y2,NULL);
+ }
+ gst_editor_pad_repack (pad);
+
+ pads = g_list_next (pads);
+ }
+
+ if (padtemplate->connection != NULL) {
+ padtemplate->connection->resize = TRUE;
+ gst_editor_connection_resize(padtemplate->connection);
+ }
+
+ padtemplate->resize = FALSE;
+}
+
+
+/*
+static gint gst_editor_padtemplate_event(GnomeCanvasItem *item,GdkEvent *event) {
+ GstEditorPadTemplate *padtemplate = GST_EDITOR_PAD(item);
+ gdouble item_x,item_y;
+ GdkCursor *fleur;
+ gdouble tx,ty;
+
+ item_x = event->button.x;
+ item_y = event->button.y;
+ gnome_canvas_item_w2i(item->parent,&item_x,&item_y);
+
+ switch(event->type) {
+ case GDK_ENTER_NOTIFY:
+// g_print("entered padtemplate\n");
+ break;
+ case GDK_LEAVE_NOTIFY:
+// g_print("left padtemplate\n");
+ break;
+ default:
+ break;
+ }
+ return FALSE;
+}
+*/
+
+/* FIXME FIXME FIXME */
+static gint
+gst_editor_padtemplate_padbox_event(GnomeCanvasItem *item,
+ GdkEvent *event,
+ GstEditorPadTemplate *padtemplate)
+{
+ GstEditorElement *element;
+ GstEditorBin *bin;
+
+// g_print("padtemplatebox has event %d\n",event->type);
+ g_return_val_if_fail(GST_IS_EDITOR_PADTEMPLATE(padtemplate), FALSE);
+
+ element = padtemplate->parent;
+ bin = element->parent;
+
+ switch(event->type) {
+ case GDK_ENTER_NOTIFY:
+ gtk_object_set(GTK_OBJECT(padtemplate->border),
+ "fill_color_rgba", 0xDDBBBB00, NULL);
+// g_print("entered padtemplate '%s'\n",
+// gst_padtemplate_get_name(padtemplate->padtemplate));
+ break;
+ case GDK_LEAVE_NOTIFY:
+ gtk_object_set(GTK_OBJECT(padtemplate->border),
+ "fill_color_rgba", 0xFFCCCC00, NULL);
+// g_print("left padtemplate '%s'\n",
+// gst_padtemplate_get_name(padtemplate->padtemplate));
+ break;
+ case GDK_BUTTON_PRESS:
+// g_print("have button press in padtemplate '%s'\n",
+// gst_padtemplate_get_name(padtemplate->padtemplate));
+ //gst_editor_bin_start_banding(bin,padtemplate);
+ return TRUE;
+ break;
+ case GDK_MOTION_NOTIFY:
+// g_print("have motion in padtemplate\n");
+ break;
+ default:
+ break;
+ }
+ return FALSE;
+}