pintos-os.org Git - pspp/blob - 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
  46
  47 static void psppire_output_window_base_finalize (PsppireOutputWindowClass *, gpointer);
  48 static void psppire_output_window_base_init     (PsppireOutputWindowClass *class);
  49 static void psppire_output_window_class_init    (PsppireOutputWindowClass *class);
  50 static void psppire_output_window_init          (PsppireOutputWindow      *window);
  51
  52
  53 GType
  54 psppire_output_window_get_type (void)
  55 {
  56   static GType psppire_output_window_type = 0;
  57
  58   if (!psppire_output_window_type)
  59     {
  60       static const GTypeInfo psppire_output_window_info =
  61       {
  62         sizeof (PsppireOutputWindowClass),
  63         (GBaseInitFunc) psppire_output_window_base_init,
  64         (GBaseFinalizeFunc) psppire_output_window_base_finalize,
  65         (GClassInitFunc)psppire_output_window_class_init,
  66         (GClassFinalizeFunc) NULL,
  67         NULL,
  68         sizeof (PsppireOutputWindow),
  69         0,
  70         (GInstanceInitFunc) psppire_output_window_init,
  71       };
  72
  73       psppire_output_window_type =
  74         g_type_register_static (PSPPIRE_TYPE_WINDOW, "PsppireOutputWindow",
  75                                 &psppire_output_window_info, 0);
  76     }
  77
  78   return psppire_output_window_type;
  79 }
  80
  81 static GObjectClass *parent_class;
  82
  83 static void
  84 psppire_output_window_finalize (GObject *object)
  85 {
  86   if (G_OBJECT_CLASS (parent_class)->finalize)
  87     (*G_OBJECT_CLASS (parent_class)->finalize) (object);
  88 }
  89
  90
  91 static void
  92 psppire_output_window_class_init (PsppireOutputWindowClass *class)
  93 {
  94   parent_class = g_type_class_peek_parent (class);
  95 }
  96
  97
  98 static void
  99 psppire_output_window_base_init (PsppireOutputWindowClass *class)
 100 {
 101   GObjectClass *object_class = G_OBJECT_CLASS (class);
 102
 103   object_class->finalize = psppire_output_window_finalize;
 104 }
 105
 106
 107
 108 static void
 109 psppire_output_window_base_finalize (PsppireOutputWindowClass *class,
 110                                      gpointer class_data)
 111 {
 112 }
 113 \f
 114 /* Output driver class. */
 115
 116 static PsppireOutputWindow *the_output_viewer = NULL;
 117
 118 static gboolean
 119 expose_event_callback (GtkWidget *widget, GdkEventExpose *event, gpointer data)
 120 {
 121   struct som_entity *entity = g_object_get_data (G_OBJECT (widget), "entity");
 122   GdkWindow *window = widget->window;
 123   cairo_t *cairo = gdk_cairo_create (GDK_DRAWABLE (window));
 124   struct outp_driver *driver = xr_create_driver (cairo); /* XXX can fail */
 125   struct tab_table *t = entity->ext;
 126   void *rendering;
 127
 128   rendering = entity->class->render_init (entity, driver, tab_l (t),
 129                                           tab_r (t), tab_t (t), tab_b (t));
 130
 131   entity->class->title (rendering, 0, 0,
 132                         entity->table_num, entity->subtable_num);
 133   entity->class->render (rendering, tab_l (t), tab_t (t),
 134                          tab_nc (t) - tab_r (t),
 135                          tab_nr (t) - tab_b (t));
 136
 137   entity->class->render_free (rendering);
 138   driver->class->close_driver (driver);
 139   outp_free_driver (driver);
 140   return TRUE;
 141 }
 142
 143 static void
 144 psppire_output_submit (struct outp_driver *this, struct som_entity *entity)
 145 {
 146   if (the_output_viewer == NULL)
 147     {
 148       the_output_viewer = PSPPIRE_OUTPUT_WINDOW (psppire_output_window_new ());
 149       gtk_widget_show_now (GTK_WIDGET (the_output_viewer));
 150     }
 151
 152   if (entity->type == SOM_TABLE)
 153     {
 154       GdkWindow *window = GTK_WIDGET (the_output_viewer)->window;
 155       cairo_t *cairo = gdk_cairo_create (GDK_DRAWABLE (window));
 156       struct outp_driver *driver = xr_create_driver (cairo); /* XXX can fail */
 157       struct tab_table *t = entity->ext;
 158       GtkWidget *drawing_area;
 159       void *rendering;
 160       int tw, th;
 161
 162       tab_ref (t);
 163       rendering = entity->class->render_init (entity, driver, tab_l (t),
 164                                               tab_r (t), tab_t (t), tab_b (t));
 165       entity->class->area (rendering, &tw, &th);
 166
 167       drawing_area = gtk_drawing_area_new ();
 168       g_object_set_data (G_OBJECT (drawing_area),
 169                          "entity", xmemdup (entity, sizeof *entity));
 170       gtk_widget_set_size_request (drawing_area, tw / 1024, th / 1024);
 171       gtk_layout_put (the_output_viewer->output, drawing_area,
 172                       0, the_output_viewer->y);
 173       gtk_widget_show (drawing_area);
 174       g_signal_connect (G_OBJECT (drawing_area), "expose_event",
 175                         G_CALLBACK (expose_event_callback), NULL);
 176
 177       entity->class->render_free (rendering);
 178       driver->class->close_driver (driver);
 179       outp_free_driver (driver);
 180
 181       if (tw / 1024 > the_output_viewer->max_width)
 182         the_output_viewer->max_width = tw / 1024;
 183       the_output_viewer->y += th / 1024;
 184
 185       gtk_layout_set_size (the_output_viewer->output,
 186                            the_output_viewer->max_width, the_output_viewer->y);
 187     }
 188
 189   gtk_window_set_urgency_hint (GTK_WINDOW (the_output_viewer), TRUE);
 190 }
 191
 192 static struct outp_class psppire_output_class =
 193   {
 194     "PSPPIRE",                  /* name */
 195     true,                       /* special */
 196     NULL,                       /* open_driver */
 197     NULL,                       /* close_driver */
 198     NULL,                       /* open_page */
 199     NULL,                       /* close_page */
 200     NULL,                       /* flush */
 201     psppire_output_submit,      /* submit */
 202     NULL,                       /* line */
 203     NULL,                       /* text_metrics */
 204     NULL,                       /* text_draw */
 205     NULL,                       /* initialise_chart */
 206     NULL,                       /* finalise_chart */
 207   };
 208
 209 void
 210 psppire_output_window_setup (void)
 211 {
 212   outp_register_driver (outp_allocate_driver (&psppire_output_class,
 213                                               "PSPPIRE", 0));
 214 }
 215 \f
 216 int viewer_length = 16;
 217 int viewer_width = 59;
 218
 219 /* Callback for the "delete" action (clicking the x on the top right
 220    hand corner of the window) */
 221 static gboolean
 222 on_delete (GtkWidget *w, GdkEvent *event, gpointer user_data)
 223 {
 224   PsppireOutputWindow *ow = PSPPIRE_OUTPUT_WINDOW (user_data);
 225
 226   gtk_widget_destroy (GTK_WIDGET (ow));
 227
 228   the_output_viewer = NULL;
 229
 230   return FALSE;
 231 }
 232
 233
 234
 235 static void
 236 cancel_urgency (GtkWindow *window,  gpointer data)
 237 {
 238   gtk_window_set_urgency_hint (window, FALSE);
 239 }
 240
 241
 242 static void
 243 psppire_output_window_init (PsppireOutputWindow *window)
 244 {
 245   GtkBuilder *xml = builder_new ("output-viewer.ui");
 246
 247   gtk_widget_reparent (get_widget_assert (xml, "vbox1"), GTK_WIDGET (window));
 248
 249   window->output = GTK_LAYOUT (get_widget_assert (xml, "output"));
 250   window->y = 0;
 251
 252   connect_help (xml);
 253
 254   g_signal_connect (window,
 255                     "focus-in-event",
 256                     G_CALLBACK (cancel_urgency),
 257                     NULL);
 258
 259   g_signal_connect (get_action_assert (xml,"help_about"),
 260                     "activate",
 261                     G_CALLBACK (about_new),
 262                     window);
 263
 264   g_signal_connect (get_action_assert (xml,"help_reference"),
 265                     "activate",
 266                     G_CALLBACK (reference_manual),
 267                     NULL);
 268
 269   g_signal_connect (get_action_assert (xml,"windows_minimise-all"),
 270                     "activate",
 271                     G_CALLBACK (psppire_window_minimise_all),
 272                     NULL);
 273
 274   {
 275     GtkUIManager *uim = GTK_UI_MANAGER (get_object_assert (xml, "uimanager1", GTK_TYPE_UI_MANAGER));
 276
 277     PSPPIRE_WINDOW (window)->menu =
 278       GTK_MENU_SHELL (gtk_ui_manager_get_widget (uim,"/ui/menubar1/windows_menuitem/windows_minimise-all")->parent);
 279   }
 280
 281   g_object_unref (xml);
 282
 283   g_signal_connect (window, "delete-event",
 284                     G_CALLBACK (on_delete), window);
 285 }
 286
 287
 288 GtkWidget*
 289 psppire_output_window_new (void)
 290 {
 291   return GTK_WIDGET (g_object_new (psppire_output_window_get_type (),
 292                                    "filename", "Output",
 293                                    "description", _("Output Viewer"),
 294                                    NULL));
 295 }