mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-09-08 21:28:45 +00:00
461 lines
13 KiB
C
461 lines
13 KiB
C
/* 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_pad_class_init(GstEditorPadClass *klass);
|
|
static void gst_editor_pad_init(GstEditorPad *pad);
|
|
static void gst_editor_pad_set_arg(GtkObject *object,GtkArg *arg,guint id);
|
|
static void gst_editor_pad_get_arg(GtkObject *object,GtkArg *arg,guint id);
|
|
static void gst_editor_pad_realize(GstEditorPad *pad);
|
|
|
|
static void gst_editor_pad_position_changed(GstEditorPad *pad, GstEditorElement *element);
|
|
|
|
/* 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_pad_padbox_event(GnomeCanvasItem *item,
|
|
GdkEvent *event,
|
|
GstEditorPad *pad);
|
|
|
|
/* utility functions */
|
|
static void gst_editor_pad_resize(GstEditorPad *pad);
|
|
|
|
|
|
enum {
|
|
ARG_0,
|
|
ARG_X,
|
|
ARG_Y,
|
|
ARG_WIDTH,
|
|
ARG_HEIGHT,
|
|
ARG_PAD,
|
|
};
|
|
|
|
enum {
|
|
LAST_SIGNAL
|
|
};
|
|
|
|
static GtkObjectClass *parent_class;
|
|
/* static guint gst_editor_pad_signals[LAST_SIGNAL] = { 0 }; */
|
|
|
|
GtkType
|
|
gst_editor_pad_get_type (void)
|
|
{
|
|
static GtkType pad_type = 0;
|
|
|
|
if (!pad_type) {
|
|
static const GtkTypeInfo pad_info = {
|
|
"GstEditorPad",
|
|
sizeof(GstEditorPad),
|
|
sizeof(GstEditorPadClass),
|
|
(GtkClassInitFunc)gst_editor_pad_class_init,
|
|
(GtkObjectInitFunc)gst_editor_pad_init,
|
|
NULL,
|
|
NULL,
|
|
(GtkClassInitFunc)NULL,
|
|
};
|
|
pad_type = gtk_type_unique(gtk_object_get_type(),&pad_info);
|
|
}
|
|
return pad_type;
|
|
}
|
|
|
|
static void
|
|
gst_editor_pad_class_init (GstEditorPadClass *klass)
|
|
{
|
|
GtkObjectClass *object_class;
|
|
|
|
object_class = (GtkObjectClass*)klass;
|
|
|
|
parent_class = gtk_type_class(gtk_object_get_type());
|
|
|
|
gtk_object_add_arg_type("GstEditorPad::x",GTK_TYPE_DOUBLE,
|
|
GTK_ARG_READWRITE,ARG_X);
|
|
gtk_object_add_arg_type("GstEditorPad::y",GTK_TYPE_DOUBLE,
|
|
GTK_ARG_READWRITE,ARG_Y);
|
|
gtk_object_add_arg_type("GstEditorPad::width",GTK_TYPE_DOUBLE,
|
|
GTK_ARG_READWRITE,ARG_WIDTH);
|
|
gtk_object_add_arg_type("GstEditorPad::height",GTK_TYPE_DOUBLE,
|
|
GTK_ARG_READWRITE,ARG_HEIGHT);
|
|
gtk_object_add_arg_type("GstEditorPad::pad",GTK_TYPE_POINTER,
|
|
GTK_ARG_READWRITE,ARG_PAD);
|
|
|
|
klass->realize = gst_editor_pad_realize;
|
|
|
|
object_class->set_arg = gst_editor_pad_set_arg;
|
|
object_class->get_arg = gst_editor_pad_get_arg;
|
|
}
|
|
|
|
static void
|
|
gst_editor_pad_init(GstEditorPad *pad)
|
|
{
|
|
}
|
|
|
|
GstEditorPad*
|
|
gst_editor_pad_new(GstEditorElement *parent,GstPad *pad,
|
|
const gchar *first_arg_name, ...)
|
|
{
|
|
GstEditorPad *editorpad;
|
|
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(pad != NULL, NULL);
|
|
g_return_val_if_fail(GST_IS_PAD(pad), NULL);
|
|
|
|
editorpad = GST_EDITOR_PAD(gtk_type_new(GST_TYPE_EDITOR_PAD));
|
|
editorpad->pad = pad;
|
|
GST_EDITOR_SET_OBJECT(pad, editorpad);
|
|
|
|
va_start(args,first_arg_name);
|
|
gst_editor_pad_construct(editorpad,parent,first_arg_name,args);
|
|
va_end(args);
|
|
|
|
if (GST_PAD_CONNECTED (pad)) {
|
|
GstPad *peerpad;
|
|
GstEditorPad *peereditorpad;
|
|
|
|
/* FIXME does this need to check for ghost/real? */
|
|
peerpad = gst_pad_get_peer (pad);
|
|
|
|
peereditorpad = GST_EDITOR_GET_OBJECT (peerpad);
|
|
|
|
if (peereditorpad) {
|
|
GstEditorConnection *connection;
|
|
|
|
connection = gst_editor_connection_new (parent, editorpad);
|
|
gst_editor_connection_set_endpad (connection, peereditorpad);
|
|
}
|
|
}
|
|
|
|
gtk_signal_connect_object (GTK_OBJECT (parent), "position_changed",
|
|
gst_editor_pad_position_changed, GTK_OBJECT (editorpad));
|
|
|
|
return editorpad;
|
|
}
|
|
|
|
void
|
|
gst_editor_pad_construct(GstEditorPad *pad,
|
|
GstEditorElement *parent,
|
|
const gchar *first_arg_name,va_list args)
|
|
{
|
|
GtkObject *obj = GTK_OBJECT(pad);
|
|
GSList *arg_list = NULL, *info_list = NULL;
|
|
gchar *error;
|
|
GstEditorPadClass *padclass;
|
|
|
|
/* g_print("in gst_editor_pad_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_pad_construct(): %s",error);
|
|
g_free(error);
|
|
} else {
|
|
GSList *arg,*info;
|
|
/* g_print("setting all the arguments on the pad\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);
|
|
}
|
|
|
|
pad->parent = parent;
|
|
|
|
padclass = GST_EDITOR_PAD_CLASS(GTK_OBJECT(pad)->klass);
|
|
if (padclass)
|
|
(padclass->realize)(pad);
|
|
}
|
|
|
|
static void
|
|
gst_editor_pad_set_arg (GtkObject *object,GtkArg *arg,guint id)
|
|
{
|
|
GstEditorPad *pad;
|
|
|
|
/* get the major types of this object */
|
|
pad = GST_EDITOR_PAD(object);
|
|
|
|
switch (id) {
|
|
case ARG_X:
|
|
pad->x = GTK_VALUE_DOUBLE(*arg);
|
|
break;
|
|
case ARG_Y:
|
|
pad->y = GTK_VALUE_DOUBLE(*arg);
|
|
break;
|
|
case ARG_WIDTH:
|
|
pad->width = GTK_VALUE_DOUBLE(*arg);
|
|
pad->resize = TRUE;
|
|
break;
|
|
case ARG_HEIGHT:
|
|
pad->height = GTK_VALUE_DOUBLE(*arg);
|
|
pad->resize = TRUE;
|
|
break;
|
|
case ARG_PAD:
|
|
/* FIXME: this is very brute force */
|
|
pad->pad = GTK_VALUE_POINTER(*arg);
|
|
break;
|
|
default:
|
|
g_warning("gsteditorpad: unknown arg!");
|
|
break;
|
|
}
|
|
}
|
|
|
|
static void
|
|
gst_editor_pad_get_arg (GtkObject *object,GtkArg *arg,guint id)
|
|
{
|
|
GstEditorPad *pad;
|
|
|
|
/* get the major types of this object */
|
|
pad = GST_EDITOR_PAD(object);
|
|
|
|
switch (id) {
|
|
case ARG_X:
|
|
GTK_VALUE_INT(*arg) = pad->x;
|
|
break;
|
|
case ARG_Y:
|
|
GTK_VALUE_INT(*arg) = pad->y;
|
|
break;
|
|
case ARG_WIDTH:
|
|
GTK_VALUE_INT(*arg) = pad->width;
|
|
break;
|
|
case ARG_HEIGHT:
|
|
GTK_VALUE_INT(*arg) = pad->height;
|
|
break;
|
|
default:
|
|
arg->type = GTK_TYPE_INVALID;
|
|
break;
|
|
}
|
|
}
|
|
|
|
static void
|
|
gst_editor_pad_realize (GstEditorPad *pad)
|
|
{
|
|
/* g_print("realizing editor pad %p\n",pad); */
|
|
|
|
/* we must be attached to an element */
|
|
g_return_if_fail(pad->parent != NULL);
|
|
|
|
/* create the group and bounding box */
|
|
pad->group = GNOME_CANVAS_GROUP(gnome_canvas_item_new(pad->parent->group,
|
|
gnome_canvas_group_get_type(),"x",pad->x,"y",pad->y,NULL));
|
|
g_return_if_fail(pad->group != NULL);
|
|
GST_EDITOR_SET_OBJECT(pad->group,pad);
|
|
|
|
pad->border = gnome_canvas_item_new(pad->group,
|
|
gnome_canvas_rect_get_type(),
|
|
"width_units",1.0,"fill_color_rgba", 0xCCFFCC00,"outline_color","black",
|
|
"x1",0.0,"y1",0.0,"x2",pad->width,"y2",pad->height,NULL);
|
|
g_return_if_fail(pad->border != NULL);
|
|
GST_EDITOR_SET_OBJECT(pad->border,pad);
|
|
|
|
/* create the pad box on the correct side */
|
|
/* FIXME does this need to check for ghost/real? */
|
|
pad->issrc = (GST_PAD_DIRECTION(pad->pad) == GST_PAD_SRC);
|
|
if (pad->issrc)
|
|
pad->padbox = gnome_canvas_item_new(pad->group,
|
|
gnome_canvas_rect_get_type(),
|
|
"width_units",1.0,"fill_color","white","outline_color","black",
|
|
"x1",pad->x-4.0,"y1",2.0,"x2",pad->x,"y2",pad->height-2.0,NULL);
|
|
else
|
|
pad->padbox = gnome_canvas_item_new(pad->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",pad->height-2.0,NULL);
|
|
g_return_if_fail(pad->padbox != NULL);
|
|
GST_EDITOR_SET_OBJECT(pad->padbox,pad);
|
|
|
|
gtk_signal_connect(GTK_OBJECT(pad->group),"event",
|
|
GTK_SIGNAL_FUNC(gst_editor_pad_padbox_event),pad);
|
|
|
|
pad->title = gnome_canvas_item_new(pad->group,
|
|
gnome_canvas_text_get_type(),
|
|
"text",gst_pad_get_name(pad->pad),
|
|
"x",0.0,"y",0.0,"anchor",GTK_ANCHOR_NORTH_WEST,
|
|
"font_gdk",gtk_widget_get_default_style()->font,
|
|
NULL);
|
|
g_return_if_fail(pad->title != NULL);
|
|
GST_EDITOR_SET_OBJECT(pad->title,pad);
|
|
|
|
pad->realized = TRUE;
|
|
pad->resize = TRUE;
|
|
gst_editor_pad_repack(pad);
|
|
}
|
|
|
|
|
|
static void
|
|
gst_editor_pad_resize (GstEditorPad *pad)
|
|
{
|
|
gdouble minwidth,minheight;
|
|
|
|
/* g_print("resizing pad\n"); */
|
|
|
|
minwidth = 0;minheight = 0;
|
|
|
|
/* get the text size and add it into minsize */
|
|
minwidth = gst_util_get_double_arg(GTK_OBJECT(pad->title),
|
|
"text_width") + 2.0;
|
|
minheight = gst_util_get_double_arg(GTK_OBJECT(pad->title),
|
|
"text_height");
|
|
|
|
/* calculate the size of the padbox */
|
|
pad->boxheight = minheight - 4.0;
|
|
pad->boxwidth = pad->boxheight / 2.0;
|
|
minwidth += pad->boxwidth;
|
|
|
|
/* force the thing to grow if necessary */
|
|
pad->width = MAX(pad->width,minwidth);
|
|
pad->height = MAX(pad->height,minheight);
|
|
|
|
/* update the connection if there is one */
|
|
/* g_print("connection is %p\n",pad->connection); */
|
|
if (pad->connection != NULL)
|
|
gst_editor_connection_resize(pad->connection);
|
|
}
|
|
|
|
void
|
|
gst_editor_pad_repack (GstEditorPad *pad)
|
|
{
|
|
gdouble x1,y1,x2,y2;
|
|
|
|
if (!pad->realized) return;
|
|
|
|
gst_editor_pad_resize(pad);
|
|
|
|
x1 = 0;y1 = 0;
|
|
x2 = x1 + pad->width;y2 = y1 + pad->height;
|
|
/* g_print("repacking pad at %.2fx%.2f - %.2fx%.2f\n",x1,y1,x2,y2); */
|
|
|
|
/* move the group */
|
|
gtk_object_set(GTK_OBJECT(pad->group),"x",pad->x,"y",pad->y,NULL);
|
|
|
|
/* start by resizing the bordering box */
|
|
gtk_object_set(GTK_OBJECT(pad->border),
|
|
"x1",x1,"y1",y1,"x2",x2,"y2",y2,NULL);
|
|
|
|
/* if we're a left-jusified sink */
|
|
if (pad->issrc) {
|
|
/* and move the pad box */
|
|
gtk_object_set(GTK_OBJECT(pad->padbox),
|
|
"x1",x2-pad->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(pad->title),
|
|
"x",x2-pad->boxwidth-1.0,"y",y1,
|
|
"anchor",GTK_ANCHOR_NORTH_EAST,
|
|
NULL);
|
|
} else {
|
|
/* and move the pad box */
|
|
gtk_object_set(GTK_OBJECT(pad->padbox),
|
|
"x1",x1,"y1",y1+2.0,
|
|
"x2",x1+pad->boxwidth,"y2",y2-2.0,NULL);
|
|
/* then move the text to the right place */
|
|
gtk_object_set(GTK_OBJECT(pad->title),
|
|
"x",x1+pad->boxwidth+1.0,"y",y1,
|
|
"anchor",GTK_ANCHOR_NORTH_WEST,
|
|
NULL);
|
|
}
|
|
|
|
if (pad->connection != NULL) {
|
|
pad->connection->resize = TRUE;
|
|
gst_editor_connection_resize(pad->connection);
|
|
}
|
|
|
|
pad->resize = FALSE;
|
|
}
|
|
|
|
|
|
/*
|
|
static gint gst_editor_pad_event(GnomeCanvasItem *item,GdkEvent *event) {
|
|
GstEditorPad *pad = 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 pad\n"); */
|
|
break;
|
|
case GDK_LEAVE_NOTIFY:
|
|
/* g_print("left pad\n"); */
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
return FALSE;
|
|
}
|
|
*/
|
|
|
|
/* FIXME FIXME FIXME */
|
|
static gint
|
|
gst_editor_pad_padbox_event(GnomeCanvasItem *item,
|
|
GdkEvent *event,
|
|
GstEditorPad *pad)
|
|
{
|
|
GstEditorElement *element;
|
|
GstEditorBin *bin;
|
|
|
|
/* g_print("padbox has event %d\n",event->type); */
|
|
g_return_val_if_fail(GST_IS_EDITOR_PAD(pad), FALSE);
|
|
|
|
element = pad->parent;
|
|
bin = element->parent;
|
|
|
|
switch(event->type) {
|
|
case GDK_ENTER_NOTIFY:
|
|
gtk_object_set(GTK_OBJECT(pad->border),
|
|
"fill_color_rgba", 0xBBDDBB00, NULL);
|
|
break;
|
|
case GDK_LEAVE_NOTIFY:
|
|
gtk_object_set(GTK_OBJECT(pad->border),
|
|
"fill_color_rgba", 0xCCFFCC00, NULL);
|
|
break;
|
|
case GDK_BUTTON_PRESS:
|
|
/* g_print("have button press in pad '%s'\n", */
|
|
/* gst_pad_get_name(pad->pad)); */
|
|
gst_editor_bin_start_banding(bin,pad);
|
|
return TRUE;
|
|
break;
|
|
case GDK_MOTION_NOTIFY:
|
|
/* g_print("have motion in pad\n"); */
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
return FALSE;
|
|
}
|
|
|
|
static void
|
|
gst_editor_pad_position_changed(GstEditorPad *pad,
|
|
GstEditorElement *element)
|
|
{
|
|
if (pad->connection) {
|
|
pad->connection->resize = TRUE;
|
|
gst_editor_connection_resize(pad->connection);
|
|
}
|
|
}
|