rtbuf/rtbuf/gtk/rtbuf_gtk_output.c

• Show log

  Commit

• Hash : 306de976
  Author : Thomas de Grivel
  Date : 2020-05-14T11:06:42
  

  Use rtbuf callbacks to build user interface
  

Download

• gtk/rtbuf_gtk_output.c

• /*
   * Copyright 2020 Thomas de Grivel <thoxdg@gmail.com>
   *
   * Permission to use, copy, modify, and distribute this software for any
   * purpose with or without fee is hereby granted, provided that the above
   * copyright notice and this permission notice appear in all copies.
   *
   * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
   * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
   * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
   * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
   * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
   * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
   * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
   */
  
  #include <assert.h>
  #include <gtk/gtk.h>
  #include <stdio.h>
  #include <rtbuf/rtbuf.h>
  #include "rtbuf_gtk.h"
  #include "rtbuf_output_widget.h"
  
  void rtbuf_gtk_output_disconnect (RtbufOutputWidget *widget)
  {
    s_rtbuf *rtbuf;
    unsigned int out;
    printf("rtbuf-gtk output disconnect\n");
    rtbuf = rtbuf_output_widget_get_rtbuf(widget);
    out = rtbuf_output_widget_get_out(widget);
    rtbuf_out_unbind(rtbuf, out);
  }
  
  void rtbuf_gtk_output_menu (RtbufOutputWidget *widget, GdkEvent *event)
  {
    static GtkMenu *menu = 0;
    static GtkWidget *disconnect;
    static guint signal;
    printf("rtbuf-gtk output menu\n");
    if (!menu) {
      signal = g_signal_lookup("activate", GTK_TYPE_MENU_ITEM);
      assert(signal);
      menu = GTK_MENU(gtk_menu_new());
      disconnect = gtk_menu_item_new_with_label("Disconnect");
      gtk_container_add(GTK_CONTAINER(menu), disconnect);
      gtk_widget_show(disconnect);
    }
    g_signal_handlers_disconnect_matched(G_OBJECT(disconnect),
                                         G_SIGNAL_MATCH_FUNC,
                                         signal,
                                         0,
                                         NULL,
                                         G_CALLBACK(rtbuf_gtk_output_disconnect),
                                         NULL);
    g_signal_connect_swapped(G_OBJECT(disconnect), "activate",
                             G_CALLBACK(rtbuf_gtk_output_disconnect),
                             widget);
    gtk_menu_popup_at_pointer(menu, event);
  }
  
  void rtbuf_gtk_output_drag (RtbufOutputWidget *widget,
                              GdkEventButton *event)
  {
    s_rtbuf_gtk_connection *connection;
    (void) event;
    printf("rtbuf-gtk output drag\n");
    connection = rtbuf_gtk_connection_new();
    if (!connection) {
      rtbuf_err("failed to allocate rtbuf_gtk_connection");
      return;
    }
    connection->output_widget = widget;
    rtbuf_gtk_connection_push(&modular_connections, connection);
    drag_connection = connection;
  }
  
  gboolean rtbuf_gtk_output_check_button_press (RtbufOutputWidget *widget,
                                                GdkEvent *event)
  {
    printf("rtbuf-gtk output check button press\n");
    if (event->type == GDK_BUTTON_PRESS) {
      GdkEventButton *eb = (GdkEventButton*) event;
      if (eb->button == 1) {
        rtbuf_gtk_output_drag(widget, eb);
        return TRUE;
      }
      else if (eb->button == 3) {
        rtbuf_gtk_output_menu(widget, event);
        return TRUE;
      }
    }
    return FALSE;
  }
  

Download