src/preset_gui.cpp

   1 /* Calf DSP Library
   2  * GUI functions for preset management.
   3  * Copyright (C) 2007 Krzysztof Foltman
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License as published by
   7  * the Free Software Foundation; either version 2 of the License, or
   8  * (at your option) any later version.
   9
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  * GNU General Public License for more details.
  14
  15  * You should have received a copy of the GNU General Public License
  16  * along with this program; if not, write to the Free Software
  17  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
  18  */
  19
  20 #include <calf/gui.h>
  21 #include <calf/preset.h>
  22 #include <calf/preset_gui.h>
  23
  24 using namespace calf_plugins;
  25 using namespace std;
  26
  27 // this way of filling presets menu is not that great
  28
  29 struct activate_preset_params
  30 {
  31     plugin_gui *gui;
  32     int preset;
  33     bool builtin;
  34
  35     activate_preset_params(plugin_gui *_gui, int _preset, bool _builtin)
  36     : gui(_gui), preset(_preset), builtin(_builtin)
  37     {
  38     }
  39 };
  40
  41 gui_preset_access::gui_preset_access(plugin_gui *_gui)
  42 {
  43     gui = _gui;
  44     store_preset_dlg = NULL;
  45 }
  46
  47 void gui_preset_access::store_preset()
  48 {
  49     if (store_preset_dlg)
  50     {
  51         gtk_window_present(GTK_WINDOW(store_preset_dlg));
  52         return;
  53     }
  54     GtkBuilder *store_preset_builder = gtk_builder_new();
  55     const gchar *objects[] = { "store_preset", NULL };
  56     GError *error = NULL;
  57     if (!gtk_builder_add_objects_from_file(store_preset_builder, PKGLIBDIR "/calf-gui.xml", (gchar **)objects, &error))
  58     {
  59         g_warning("Cannot load preset GUI dialog: %s", error->message);
  60         g_error_free(error);
  61         g_object_unref(G_OBJECT(store_preset_builder));
  62         return;
  63     }
  64     store_preset_dlg = GTK_WIDGET(gtk_builder_get_object(store_preset_builder, "store_preset"));
  65     g_signal_connect(GTK_OBJECT(store_preset_dlg), "destroy", G_CALLBACK(on_dlg_destroy_window), (gui_preset_access *)this);
  66 //    gtk_widget_set_name(GTK_WIDGET(store_preset_dlg), "Calf-Preset");
  67     GtkWidget *preset_name_combo = GTK_WIDGET(gtk_builder_get_object(store_preset_builder, "preset_name"));
  68     GtkTreeModel *model = GTK_TREE_MODEL(gtk_list_store_new(1, G_TYPE_STRING));
  69     gtk_combo_box_set_model(GTK_COMBO_BOX(preset_name_combo), model);
  70     gtk_combo_box_entry_set_text_column(GTK_COMBO_BOX_ENTRY(preset_name_combo), 0);
  71     for(preset_vector::const_iterator i = get_user_presets().presets.begin(); i != get_user_presets().presets.end(); i++)
  72     {
  73         if (i->plugin != gui->effect_name)
  74             continue;
  75         gtk_combo_box_append_text(GTK_COMBO_BOX(preset_name_combo), i->name.c_str());
  76     }
  77     int response = gtk_dialog_run(GTK_DIALOG(store_preset_dlg));
  78
  79     plugin_preset sp;
  80     sp.name = gtk_combo_box_get_active_text(GTK_COMBO_BOX(preset_name_combo));
  81     sp.bank = 0;
  82     sp.program = 0;
  83     sp.plugin = gui->effect_name;
  84
  85     gtk_widget_destroy(store_preset_dlg);
  86     if (response == GTK_RESPONSE_OK)
  87     {
  88         sp.get_from(gui->plugin);
  89         preset_list tmp;
  90         try {
  91             tmp.load(tmp.get_preset_filename(false).c_str(), false);
  92         }
  93         catch(...)
  94         {
  95             tmp = get_user_presets();
  96         }
  97         bool found = false;
  98         for(preset_vector::const_iterator i = tmp.presets.begin(); i != tmp.presets.end(); i++)
  99         {
 100             if (i->plugin == gui->effect_name && i->name == sp.name)
 101             {
 102                 found = true;
 103                 break;
 104             }
 105         }
 106         if (found)
 107         {
 108             GtkWidget *dialog = gtk_message_dialog_new(gui->window->toplevel, GTK_DIALOG_DESTROY_WITH_PARENT, GTK_MESSAGE_QUESTION, GTK_BUTTONS_OK_CANCEL,
 109                 "Preset '%s' already exists. Overwrite?", sp.name.c_str());
 110             int response = gtk_dialog_run(GTK_DIALOG(dialog));
 111             gtk_widget_destroy(dialog);
 112             if (response != GTK_RESPONSE_OK)
 113                 return;
 114         }
 115         tmp.add(sp);
 116         get_user_presets() = tmp;
 117         get_user_presets().save(tmp.get_preset_filename(false).c_str());
 118         if (gui->window->main)
 119             gui->window->main->refresh_all_presets(false);
 120     }
 121     g_object_unref(G_OBJECT(store_preset_builder));
 122 }
 123
 124 void gui_preset_access::activate_preset(int preset, bool builtin)
 125 {
 126     plugin_preset &p = (builtin ? get_builtin_presets() : get_user_presets()).presets[preset];
 127     if (p.plugin != gui->effect_name)
 128         return;
 129     if (!gui->plugin->activate_preset(p.bank, p.program))
 130         p.activate(gui->plugin);
 131     gui->refresh();
 132 }
 133
 134 void gui_preset_access::on_dlg_destroy_window(GtkWindow *window, gpointer data)
 135 {
 136     ((gui_preset_access *)data)->store_preset_dlg = NULL;
 137 }