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https://gitlab.freedesktop.org/gstreamer/gstreamer.git
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Original commit message from CVS: Major cleanup of the latest ghostpad changes. Fixed everything that broke, correctly. Someone will want to go update the API doc templates.
275 lines
7.3 KiB
C
275 lines
7.3 KiB
C
/* Gnome-Streamer
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* Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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#include <gnome.h>
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#include <gst/gst.h>
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#include <sys/stat.h>
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#include <unistd.h>
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#include "gsteditorpalette.h"
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#include "gsteditorimage.h"
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/* class functions */
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static void gst_editor_palette_class_init(GstEditorPaletteClass *klass);
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static void gst_editor_palette_init(GstEditorPalette *palette);
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static void gst_editor_palette_set_arg(GtkObject *object,GtkArg *arg,guint id);
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static void gst_editor_palette_get_arg(GtkObject *object,GtkArg *arg,guint id);
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static void gst_editor_palette_make(GstEditorPalette *palette);
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struct _palette_entry {
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gchar *tooltip;
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GtkType (*type) (void);
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gchar *factoryname;
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};
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#define CORE_ELEMENT_SIZE 3
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struct _palette_entry _palette_contents_core[CORE_ELEMENT_SIZE] = {
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{"Bin", gst_bin_get_type, "bin" },
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{"Thread", gst_thread_get_type, "thread" },
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{"Pipeline", gst_pipeline_get_type, "pipeline" },
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};
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enum {
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ARG_0,
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};
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enum {
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SIGNAL_ELEMENT_SELECTED,
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SIGNAL_IN_SELECTION_MODE,
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LAST_SIGNAL
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};
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static GtkObjectClass *parent_class;
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static guint gst_editor_palette_signals[LAST_SIGNAL] = { 0 };
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GtkType
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gst_editor_palette_get_type (void)
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{
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static GtkType palette_type = 0;
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if (!palette_type) {
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static const GtkTypeInfo palette_info = {
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"GstEditorPalette",
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sizeof(GstEditorPalette),
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sizeof(GstEditorPaletteClass),
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(GtkClassInitFunc)gst_editor_palette_class_init,
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(GtkObjectInitFunc)gst_editor_palette_init,
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NULL,
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NULL,
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(GtkClassInitFunc)NULL,
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};
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palette_type = gtk_type_unique(gtk_object_get_type(),&palette_info);
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}
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return palette_type;
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}
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static void
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gst_editor_palette_class_init (GstEditorPaletteClass *klass)
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{
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GtkObjectClass *object_class;
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object_class = (GtkObjectClass*)klass;
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parent_class = gtk_type_class(gtk_object_get_type());
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gst_editor_palette_signals[SIGNAL_ELEMENT_SELECTED] =
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gtk_signal_new("element_selected",GTK_RUN_FIRST,object_class->type,
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GTK_SIGNAL_OFFSET(GstEditorPaletteClass,element_selected),
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gtk_marshal_NONE__INT,GTK_TYPE_NONE,1,
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GTK_TYPE_INT);
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gst_editor_palette_signals[SIGNAL_IN_SELECTION_MODE] =
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gtk_signal_new("in_selection_mode",GTK_RUN_FIRST,object_class->type,
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GTK_SIGNAL_OFFSET(GstEditorPaletteClass,in_selection_mode),
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gtk_marshal_NONE__INT,GTK_TYPE_NONE,1,
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GTK_TYPE_INT);
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gtk_object_class_add_signals(object_class,gst_editor_palette_signals,LAST_SIGNAL);
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object_class->set_arg = gst_editor_palette_set_arg;
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object_class->get_arg = gst_editor_palette_get_arg;
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}
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static void
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gst_editor_palette_init (GstEditorPalette *palette)
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{
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palette->tooltips = gtk_tooltips_new();
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}
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typedef struct {
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GstEditorPalette *palette;
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GModule *symbols;
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} connect_struct;
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/* we need more control here so... */
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static void
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gst_editor_palette_connect_func (const gchar *handler_name,
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GtkObject *object,
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const gchar *signal_name,
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const gchar *signal_data,
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GtkObject *connect_object,
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gboolean after,
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gpointer user_data)
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{
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GtkSignalFunc func;
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connect_struct *data = (connect_struct *)user_data;
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if (!g_module_symbol(data->symbols, handler_name, (gpointer *)&func))
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g_warning("gsteditorpalette: could not find signal handler '%s'.", handler_name);
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else {
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if (after)
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gtk_signal_connect_after(object, signal_name, func, (gpointer) data->palette);
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else
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gtk_signal_connect(object, signal_name, func, (gpointer) data->palette);
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}
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}
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GstEditorPalette*
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gst_editor_palette_new()
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{
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GstEditorPalette *palette;
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GtkWidget *palette_window;
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connect_struct data;
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GModule *symbols;
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struct stat statbuf;
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palette = GST_EDITOR_PALETTE(gtk_type_new(GST_TYPE_EDITOR_PALETTE));
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symbols = g_module_open(NULL, 0);
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data.palette = palette;
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data.symbols = symbols;
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if (stat(DATADIR"editor.glade", &statbuf) == 0) {
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palette->xml = glade_xml_new(DATADIR"editor.glade", "palette_window");
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}
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else {
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palette->xml = glade_xml_new ("editor.glade", "palette_window");
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}
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g_assert (palette->xml != NULL);
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glade_xml_signal_autoconnect_full (palette->xml, gst_editor_palette_connect_func, &data);
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palette_window = glade_xml_get_widget(palette->xml, "palette_window");
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gtk_widget_show(palette_window);
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palette->table = gtk_table_new(1, 4, TRUE);
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gst_editor_palette_make(palette);
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return palette;
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}
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typedef struct {
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GstEditorPalette *palette;
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struct _palette_entry *entry;
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} _signal_data;
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static void
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gst_editor_palette_element_clicked(GtkButton *button, _signal_data *data)
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{
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GstElementFactory *factory;
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factory = gst_elementfactory_find (data->entry->factoryname);
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gtk_signal_emit(GTK_OBJECT(data->palette),gst_editor_palette_signals[SIGNAL_ELEMENT_SELECTED], factory);
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}
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static void
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gst_editor_palette_make (GstEditorPalette *palette)
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{
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GtkWidget *button;
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GstEditorImage *editimage;
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GtkWidget *image;
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GtkWidget *vbox;
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gint i, x, y;
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_signal_data *data;
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x=0;
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y=0;
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vbox = glade_xml_get_widget(palette->xml, "palette_vbox");
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gtk_box_pack_start(GTK_BOX(vbox), palette->table, FALSE, TRUE, 0);
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for (i=0; i<CORE_ELEMENT_SIZE; i++) {
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button = gtk_button_new();
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gtk_button_set_relief(GTK_BUTTON(button), GTK_RELIEF_NONE);
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editimage = gst_editor_image_get_for_type(_palette_contents_core[i].type());
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image = gtk_pixmap_new(editimage->pixmap, editimage->bitmap);
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gtk_container_add(GTK_CONTAINER(button), image);
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gtk_widget_show(image);
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gtk_table_attach(GTK_TABLE(palette->table), button, x, x+1, y, y+1, 0, 0, 0, 0);
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gtk_widget_show(palette->table);
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data = g_new0(_signal_data, 1);
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data->palette = palette;
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data->entry = &_palette_contents_core[i];
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gtk_signal_connect(GTK_OBJECT(button), "clicked", gst_editor_palette_element_clicked, data);
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gtk_tooltips_set_tip(palette->tooltips, button, _palette_contents_core[i].tooltip, NULL);
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gtk_widget_show(button);
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x++;
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if (x==4) {
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x=0;
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y++;
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}
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}
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}
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static void
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gst_editor_palette_set_arg (GtkObject *object,GtkArg *arg,guint id)
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{
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GstEditorPalette *palette;
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/* get the major types of this object */
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palette = GST_EDITOR_PALETTE(object);
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switch (id) {
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default:
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g_warning("gsteditorpalette: unknown arg!");
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break;
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}
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}
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static void
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gst_editor_palette_get_arg (GtkObject *object,GtkArg *arg,guint id)
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{
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GstEditorPalette *palette;
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/* get the major types of this object */
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palette = GST_EDITOR_PALETTE(object);
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switch (id) {
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default:
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arg->type = GTK_TYPE_INVALID;
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break;
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}
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}
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