gui/action.c

   1 /* -*- Mode: C ; c-basic-offset: 2 -*- */
   2 /*
   3  * LADI Session Handler (ladish)
   4  *
   5  * Copyright (C) 2010,2012 Nedko Arnaudov <nedko@arnaudov.name>
   6  *
   7  **************************************************************************
   8  * This file contains GtkAction related code
   9  **************************************************************************
  10  *
  11  * LADI Session Handler is free software; you can redistribute it and/or modify
  12  * it under the terms of the GNU General Public License as published by
  13  * the Free Software Foundation; either version 2 of the License, or
  14  * (at your option) any later version.
  15  *
  16  * LADI Session Handler is distributed in the hope that it will be useful,
  17  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  18  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  19  * GNU General Public License for more details.
  20  *
  21  * You should have received a copy of the GNU General Public License
  22  * along with LADI Session Handler. If not, see <http://www.gnu.org/licenses/>
  23  * or write to the Free Software Foundation, Inc.,
  24  * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  25  */
  26
  27 #include "internal.h"
  28 #include "action.h"
  29 #include "gtk_builder.h"
  30 #include "jack.h"
  31 #include "zoom.h"
  32 #include "menu.h"
  33 #include "studio.h"
  34
  35 GtkAction * g_clear_xruns_and_max_dsp_action;
  36 GtkAction * g_zoom_100_action;
  37 GtkAction * g_zoom_fit_action;
  38 GtkAction * g_zoom_in_action;
  39 GtkAction * g_zoom_out_action;
  40
  41 static
  42 gboolean
  43 load_project_accelerator_activated(
  44   GtkAccelGroup * UNUSED(accel_group),
  45   GObject * UNUSED(acceleratable),
  46   guint UNUSED(keyval),
  47   GdkModifierType UNUSED(modifier))
  48 {
  49   graph_view_handle view;
  50
  51   view = get_current_view();
  52   if (get_studio_state() == STUDIO_STATE_STARTED && view != NULL && is_room_view(view))
  53   {
  54     menu_request_load_project();
  55   }
  56
  57   return TRUE;
  58 }
  59
  60 static
  61 gboolean
  62 unload_project_accelerator_activated(
  63   GtkAccelGroup * UNUSED(accel_group),
  64   GObject * UNUSED(acceleratable),
  65   guint UNUSED(keyval),
  66   GdkModifierType UNUSED(modifier))
  67 {
  68   graph_view_handle view;
  69
  70   view = get_current_view();
  71   if (get_studio_state() == STUDIO_STATE_STARTED && view != NULL && is_room_view(view))
  72   {
  73     menu_request_unload_project();
  74   }
  75
  76   return TRUE;
  77 }
  78
  79 void init_actions_and_accelerators(void)
  80 {
  81   static GtkActionGroup * action_group_ptr;
  82   static GtkAccelGroup * accel_group_ptr;
  83
  84   g_clear_xruns_and_max_dsp_action = GTK_ACTION(get_gtk_builder_object("clear_xruns_and_max_dsp_load_action"));
  85   g_signal_connect(G_OBJECT(g_clear_xruns_and_max_dsp_action), "activate", G_CALLBACK(clear_xruns_and_max_dsp), NULL);
  86   gtk_action_set_label(g_clear_xruns_and_max_dsp_action, _("Clear XRuns and Max DSP Load"));
  87   gtk_action_set_short_label(g_clear_xruns_and_max_dsp_action, _("Clear"));
  88
  89   g_zoom_100_action = GTK_ACTION(get_gtk_builder_object("zoom_100_action"));
  90   g_signal_connect(G_OBJECT(g_zoom_100_action), "activate", G_CALLBACK(zoom_100), NULL);
  91   gtk_action_set_label(g_zoom_100_action, _("Zoom 100%"));
  92   gtk_action_set_short_label(g_zoom_100_action, _("Zoom 100%"));
  93
  94   g_zoom_fit_action = GTK_ACTION(get_gtk_builder_object("zoom_fit_action"));
  95   g_signal_connect(G_OBJECT(g_zoom_fit_action), "activate", G_CALLBACK(zoom_fit), NULL);
  96   gtk_action_set_label(g_zoom_fit_action, _("Zoom to fit"));
  97   gtk_action_set_short_label(g_zoom_fit_action, _("Zoom to fit"));
  98
  99   g_zoom_in_action = GTK_ACTION(get_gtk_builder_object("zoom_in_action"));
 100   g_signal_connect(G_OBJECT(g_zoom_in_action), "activate", G_CALLBACK(zoom_in), NULL);
 101   gtk_action_set_label(g_zoom_in_action, _("Zoom in"));
 102   gtk_action_set_short_label(g_zoom_in_action, _("Zoom in"));
 103
 104   g_zoom_out_action = GTK_ACTION(get_gtk_builder_object("zoom_out_action"));
 105   g_signal_connect(G_OBJECT(g_zoom_out_action), "activate", G_CALLBACK(zoom_out), NULL);
 106   gtk_action_set_label(g_zoom_out_action, _("Zoom out"));
 107   gtk_action_set_short_label(g_zoom_out_action, _("Zoom out"));
 108
 109   struct
 110   {
 111     GtkAction * action_ptr;
 112     const char * shortcut;
 113   } * descriptor_ptr, descriptors [] =
 114       {
 115         {g_clear_xruns_and_max_dsp_action, "c"},
 116         {g_zoom_in_action, "<Control>plus"},
 117         {g_zoom_out_action, "<Control>minus"},
 118         {g_zoom_100_action, "<Control>0"},
 119         {g_zoom_fit_action, "<Control>equal"},
 120         {NULL, NULL}
 121       };
 122
 123   action_group_ptr = gtk_action_group_new("main");
 124   accel_group_ptr = gtk_accel_group_new();
 125
 126   for (descriptor_ptr = descriptors; descriptor_ptr->action_ptr != NULL; descriptor_ptr++)
 127   {
 128     //log_info("action '%s' -> shortcut \"%s\"", gtk_action_get_name(descriptor_ptr->action_ptr), descriptor_ptr->shortcut);
 129     gtk_action_group_add_action_with_accel(action_group_ptr, descriptor_ptr->action_ptr, descriptor_ptr->shortcut);
 130     gtk_action_set_accel_group(descriptor_ptr->action_ptr, accel_group_ptr);
 131     gtk_action_connect_accelerator(descriptor_ptr->action_ptr);
 132   }
 133
 134   gtk_accel_group_connect(
 135     accel_group_ptr,
 136     gdk_keyval_from_name("o"),
 137     GDK_CONTROL_MASK,
 138     GTK_ACCEL_VISIBLE,
 139     g_cclosure_new((GCallback)load_project_accelerator_activated, NULL, NULL));
 140
 141   gtk_accel_group_connect(
 142     accel_group_ptr,
 143     gdk_keyval_from_name("u"),
 144     GDK_CONTROL_MASK,
 145     GTK_ACCEL_VISIBLE,
 146     g_cclosure_new((GCallback)unload_project_accelerator_activated, NULL, NULL));
 147
 148   gtk_window_add_accel_group(GTK_WINDOW(g_main_win), accel_group_ptr);
 149 }
 150
 151 void enable_action(GtkAction * action)
 152 {
 153   gtk_action_set_sensitive(action, TRUE);
 154 }
 155
 156 void disable_action(GtkAction * action)
 157 {
 158   gtk_action_set_sensitive(action, FALSE);
 159 }