src/ui/gui/psppire-output-window.c

   1 /* PSPPIRE - a graphical user interface for PSPP.
   2    Copyright (C) 2008, 2009  Free Software Foundation
   3
   4    This program is free software: you can redistribute it and/or modify
   5    it under the terms of the GNU General Public License as published by
   6    the Free Software Foundation, either version 3 of the License, or
   7    (at your option) any later version.
   8
   9    This program is distributed in the hope that it will be useful,
  10    but WITHOUT ANY WARRANTY; without even the implied warranty of
  11    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12    GNU General Public License for more details.
  13
  14    You should have received a copy of the GNU General Public License
  15    along with this program.  If not, see <http://www.gnu.org/licenses/>. */
  16
  17 #include <config.h>
  18
  19 #include <gtk/gtksignal.h>
  20 #include <gtk/gtkbox.h>
  21 #include "helper.h"
  22
  23 #include <libpspp/message.h>
  24 #include <output/cairo.h>
  25 #include <output/manager.h>
  26 #include <output/output.h>
  27 #include <output/table.h>
  28 #include <stdlib.h>
  29
  30 #include "about.h"
  31
  32 #include "psppire-output-window.h"
  33
  34
  35 #include "xalloc.h"
  36
  37 #include <sys/types.h>
  38 #include <sys/stat.h>
  39 #include <unistd.h>
  40
  41 #include <gettext.h>
  42 #define _(msgid) gettext (msgid)
  43 #define N_(msgid) msgid
  44
  45 enum
  46   {
  47     COL_TITLE,                  /* Table title. */
  48     N_COLS
  49   };
  50
  51 static void psppire_output_window_base_finalize (PsppireOutputWindowClass *, gpointer);
  52 static void psppire_output_window_base_init     (PsppireOutputWindowClass *class);
  53 static void psppire_output_window_class_init    (PsppireOutputWindowClass *class);
  54 static void psppire_output_window_init          (PsppireOutputWindow      *window);
  55
  56
  57 GType
  58 psppire_output_window_get_type (void)
  59 {
  60   static GType psppire_output_window_type = 0;
  61
  62   if (!psppire_output_window_type)
  63     {
  64       static const GTypeInfo psppire_output_window_info =
  65       {
  66         sizeof (PsppireOutputWindowClass),
  67         (GBaseInitFunc) psppire_output_window_base_init,
  68         (GBaseFinalizeFunc) psppire_output_window_base_finalize,
  69         (GClassInitFunc)psppire_output_window_class_init,
  70         (GClassFinalizeFunc) NULL,
  71         NULL,
  72         sizeof (PsppireOutputWindow),
  73         0,
  74         (GInstanceInitFunc) psppire_output_window_init,
  75       };
  76
  77       psppire_output_window_type =
  78         g_type_register_static (PSPPIRE_TYPE_WINDOW, "PsppireOutputWindow",
  79                                 &psppire_output_window_info, 0);
  80     }
  81
  82   return psppire_output_window_type;
  83 }
  84
  85 static GObjectClass *parent_class;
  86
  87 static void
  88 psppire_output_window_finalize (GObject *object)
  89 {
  90   if (G_OBJECT_CLASS (parent_class)->finalize)
  91     (*G_OBJECT_CLASS (parent_class)->finalize) (object);
  92 }
  93
  94
  95 static void
  96 psppire_output_window_class_init (PsppireOutputWindowClass *class)
  97 {
  98   parent_class = g_type_class_peek_parent (class);
  99 }
 100
 101
 102 static void
 103 psppire_output_window_base_init (PsppireOutputWindowClass *class)
 104 {
 105   GObjectClass *object_class = G_OBJECT_CLASS (class);
 106
 107   object_class->finalize = psppire_output_window_finalize;
 108 }
 109
 110
 111
 112 static void
 113 psppire_output_window_base_finalize (PsppireOutputWindowClass *class,
 114                                      gpointer class_data)
 115 {
 116 }
 117 \f
 118 /* Output driver class. */
 119
 120 static PsppireOutputWindow *the_output_viewer = NULL;
 121
 122 static gboolean
 123 expose_event_callback (GtkWidget *widget, GdkEventExpose *event, gpointer data)
 124 {
 125   struct som_entity *entity = g_object_get_data (G_OBJECT (widget), "entity");
 126   GdkWindow *window = widget->window;
 127   cairo_t *cairo = gdk_cairo_create (GDK_DRAWABLE (window));
 128   struct outp_driver *driver = xr_create_driver (cairo); /* XXX can fail */
 129   struct tab_table *t = entity->ext;
 130   void *rendering;
 131
 132   rendering = entity->class->render_init (entity, driver, tab_l (t),
 133                                           tab_r (t), tab_t (t), tab_b (t));
 134
 135   entity->class->title (rendering, 0, 0,
 136                         entity->table_num, entity->subtable_num,
 137                         entity->command_name);
 138   entity->class->render (rendering, tab_l (t), tab_t (t),
 139                          tab_nc (t) - tab_r (t),
 140                          tab_nr (t) - tab_b (t));
 141
 142   entity->class->render_free (rendering);
 143   driver->class->close_driver (driver);
 144   outp_free_driver (driver);
 145   return TRUE;
 146 }
 147
 148 static void
 149 psppire_output_submit (struct outp_driver *this, struct som_entity *entity)
 150 {
 151   if (the_output_viewer == NULL)
 152     {
 153       the_output_viewer = PSPPIRE_OUTPUT_WINDOW (psppire_output_window_new ());
 154       gtk_widget_show_all (GTK_WIDGET (the_output_viewer));
 155     }
 156
 157   if (entity->type == SOM_TABLE)
 158     {
 159       GdkWindow *window = GTK_WIDGET (the_output_viewer)->window;
 160       cairo_t *cairo = gdk_cairo_create (GDK_DRAWABLE (window));
 161       struct outp_driver *driver = xr_create_driver (cairo); /* XXX can fail */
 162       struct tab_table *t = entity->ext;
 163       GtkTreeStore *store;
 164       GtkTreeIter item;
 165       GtkTreePath *path;
 166       GtkWidget *drawing_area;
 167       void *rendering;
 168       int tw, th;
 169
 170       tab_ref (t);
 171       rendering = entity->class->render_init (entity, driver, tab_l (t),
 172                                               tab_r (t), tab_t (t), tab_b (t));
 173       entity->class->area (rendering, &tw, &th);
 174
 175       drawing_area = gtk_drawing_area_new ();
 176       gtk_widget_modify_bg (GTK_WIDGET (drawing_area), GTK_STATE_NORMAL,
 177                             &gtk_widget_get_style (drawing_area)->base[GTK_STATE_NORMAL]);
 178       g_object_set_data (G_OBJECT (drawing_area),
 179                          "entity", som_entity_clone (entity));
 180       gtk_widget_set_size_request (drawing_area, tw / 1024, th / 1024);
 181       gtk_layout_put (the_output_viewer->output, drawing_area,
 182                       0, the_output_viewer->y);
 183       gtk_widget_show (drawing_area);
 184       g_signal_connect (G_OBJECT (drawing_area), "expose_event",
 185                         G_CALLBACK (expose_event_callback), NULL);
 186
 187       entity->class->render_free (rendering);
 188       driver->class->close_driver (driver);
 189       outp_free_driver (driver);
 190
 191       if (tw / 1024 > the_output_viewer->max_width)
 192         the_output_viewer->max_width = tw / 1024;
 193       the_output_viewer->y += th / 1024;
 194
 195       gtk_layout_set_size (the_output_viewer->output,
 196                            the_output_viewer->max_width, the_output_viewer->y);
 197
 198       store = GTK_TREE_STORE (gtk_tree_view_get_model (
 199                                 the_output_viewer->overview));
 200       if (entity->table_num != the_output_viewer->last_table_num)
 201         {
 202           gtk_tree_store_append (store, &item, NULL);
 203           gtk_tree_store_set (store, &item, COL_TITLE, entity->command_name,
 204                               -1);
 205
 206           /* XXX shouldn't save a GtkTreeIter */
 207           the_output_viewer->last_table_num = entity->table_num;
 208           the_output_viewer->last_top_level = item;
 209         }
 210       gtk_tree_store_append (store, &item,
 211                              &the_output_viewer->last_top_level);
 212       gtk_tree_store_set (store, &item, COL_TITLE,
 213                           t->title ? t->title : "(unnamed)", -1);
 214
 215       path = gtk_tree_model_get_path (GTK_TREE_MODEL (store),
 216                                       &the_output_viewer->last_top_level);
 217       gtk_tree_view_expand_row (the_output_viewer->overview, path, TRUE);
 218       gtk_tree_path_free (path);
 219     }
 220
 221   gtk_window_set_urgency_hint (GTK_WINDOW (the_output_viewer), TRUE);
 222 }
 223
 224 static struct outp_class psppire_output_class =
 225   {
 226     "PSPPIRE",                  /* name */
 227     true,                       /* special */
 228     NULL,                       /* open_driver */
 229     NULL,                       /* close_driver */
 230     NULL,                       /* open_page */
 231     NULL,                       /* close_page */
 232     NULL,                       /* flush */
 233     psppire_output_submit,      /* submit */
 234     NULL,                       /* line */
 235     NULL,                       /* text_metrics */
 236     NULL,                       /* text_draw */
 237     NULL,                       /* initialise_chart */
 238     NULL,                       /* finalise_chart */
 239   };
 240
 241 void
 242 psppire_output_window_setup (void)
 243 {
 244   outp_register_driver (outp_allocate_driver (&psppire_output_class,
 245                                               "PSPPIRE", 0));
 246 }
 247 \f
 248 int viewer_length = 16;
 249 int viewer_width = 59;
 250
 251 /* Callback for the "delete" action (clicking the x on the top right
 252    hand corner of the window) */
 253 static gboolean
 254 on_delete (GtkWidget *w, GdkEvent *event, gpointer user_data)
 255 {
 256   PsppireOutputWindow *ow = PSPPIRE_OUTPUT_WINDOW (user_data);
 257
 258   gtk_widget_destroy (GTK_WIDGET (ow));
 259
 260   the_output_viewer = NULL;
 261
 262   return FALSE;
 263 }
 264
 265
 266
 267 static void
 268 cancel_urgency (GtkWindow *window,  gpointer data)
 269 {
 270   gtk_window_set_urgency_hint (window, FALSE);
 271 }
 272
 273
 274 static void
 275 psppire_output_window_init (PsppireOutputWindow *window)
 276 {
 277   GtkTreeViewColumn *column;
 278   GtkCellRenderer *renderer;
 279   GtkBuilder *xml;
 280
 281   xml = builder_new ("output-viewer.ui");
 282
 283   gtk_widget_reparent (get_widget_assert (xml, "vbox1"), GTK_WIDGET (window));
 284
 285   window->output = GTK_LAYOUT (get_widget_assert (xml, "output"));
 286   window->y = 0;
 287
 288   window->overview = GTK_TREE_VIEW (get_widget_assert (xml, "overview"));
 289   gtk_tree_view_set_model (window->overview,
 290                            GTK_TREE_MODEL (gtk_tree_store_new (
 291                                              N_COLS,
 292                                              G_TYPE_STRING))); /* COL_TITLE */
 293   window->last_table_num = -1;
 294
 295   column = gtk_tree_view_column_new ();
 296   gtk_tree_view_append_column (GTK_TREE_VIEW (window->overview), column);
 297   renderer = gtk_cell_renderer_text_new ();
 298   gtk_tree_view_column_pack_start (column, renderer, TRUE);
 299   gtk_tree_view_column_add_attribute (column, renderer, "text", COL_TITLE);
 300
 301   gtk_widget_modify_bg (GTK_WIDGET (window->output), GTK_STATE_NORMAL,
 302                         &gtk_widget_get_style (GTK_WIDGET (window->output))->base[GTK_STATE_NORMAL]);
 303
 304   connect_help (xml);
 305
 306   g_signal_connect (window,
 307                     "focus-in-event",
 308                     G_CALLBACK (cancel_urgency),
 309                     NULL);
 310
 311   g_signal_connect (get_action_assert (xml,"help_about"),
 312                     "activate",
 313                     G_CALLBACK (about_new),
 314                     window);
 315
 316   g_signal_connect (get_action_assert (xml,"help_reference"),
 317                     "activate",
 318                     G_CALLBACK (reference_manual),
 319                     NULL);
 320
 321   g_signal_connect (get_action_assert (xml,"windows_minimise-all"),
 322                     "activate",
 323                     G_CALLBACK (psppire_window_minimise_all),
 324                     NULL);
 325
 326   {
 327     GtkUIManager *uim = GTK_UI_MANAGER (get_object_assert (xml, "uimanager1", GTK_TYPE_UI_MANAGER));
 328
 329     PSPPIRE_WINDOW (window)->menu =
 330       GTK_MENU_SHELL (gtk_ui_manager_get_widget (uim,"/ui/menubar1/windows_menuitem/windows_minimise-all")->parent);
 331   }
 332
 333   g_object_unref (xml);
 334
 335   g_signal_connect (window, "delete-event",
 336                     G_CALLBACK (on_delete), window);
 337 }
 338
 339
 340 GtkWidget*
 341 psppire_output_window_new (void)
 342 {
 343   return GTK_WIDGET (g_object_new (psppire_output_window_get_type (),
 344                                    "filename", "Output",
 345                                    "description", _("Output Viewer"),
 346                                    NULL));
 347 }