ltt/branches/poly/lttv/modules/gui/mainWin/src/gtkcustom.c

   1 #include <gtk/gtk.h>
   2
   3 #include <lttv/gtkcustom.h>
   4 //#include "gtkintl.h"
   5 #include <lttv/mainWindow.h>
   6 #include <lttv/gtkTraceSet.h>
   7
   8 static void gtk_custom_class_init (GtkCustomClass    *klass);
   9 static void gtk_custom_init       (GtkCustom         *custom);
  10
  11
  12 static void     gtk_custom_size_request   (GtkWidget      *widget,
  13                                            GtkRequisition *requisition);
  14 static void     gtk_custom_size_allocate  (GtkWidget      *widget,
  15                                            GtkAllocation  *allocation);
  16
  17 void gtk_custom_scroll_value_changed (GtkRange *range, gpointer custom);
  18
  19 GType
  20 gtk_custom_get_type (void)
  21 {
  22   static GType custom_type = 0;
  23
  24   if (!custom_type)
  25     {
  26       static const GTypeInfo custom_info =
  27       {
  28         sizeof (GtkCustomClass),
  29         NULL,           /* base_init */
  30         NULL,           /* base_finalize */
  31         (GClassInitFunc) gtk_custom_class_init,
  32         NULL,           /* class_finalize */
  33         NULL,           /* class_data */
  34         sizeof (GtkCustom),
  35         0,              /* n_preallocs */
  36         (GInstanceInitFunc) gtk_custom_init,
  37         NULL,           /* value_table */
  38       };
  39
  40       custom_type = g_type_register_static (GTK_TYPE_PANED, "GtkCustom",
  41                                          &custom_info, 0);
  42     }
  43
  44   return custom_type;
  45 }
  46
  47 static void
  48 gtk_custom_class_init (GtkCustomClass *class)
  49 {
  50   GtkWidgetClass *widget_class;
  51
  52   widget_class = (GtkWidgetClass *) class;
  53
  54   widget_class->size_request = gtk_custom_size_request;
  55   widget_class->size_allocate = gtk_custom_size_allocate;
  56 }
  57
  58 static void
  59 gtk_custom_init (GtkCustom *custom)
  60 {
  61   GtkWidget * button;
  62
  63   GTK_WIDGET_SET_FLAGS (custom, GTK_NO_WINDOW);
  64   gtk_widget_set_redraw_on_allocate (GTK_WIDGET (custom), FALSE);
  65
  66   custom->first_pane    = NULL;
  67   custom->last_pane     = NULL;
  68   custom->focused_pane  = NULL;
  69   custom->num_children  = 0;
  70
  71   custom->vbox         = NULL;
  72   //  custom->scrollWindow = NULL;
  73   //  custom->viewport     = NULL;
  74   custom->hscrollbar   = NULL;
  75 }
  76
  77
  78 GtkWidget* gtk_custom_new ()
  79 {
  80   return GTK_WIDGET (g_object_new (gtk_custom_get_type (), NULL));
  81 }
  82
  83
  84 void gtk_custom_set_focus (GtkWidget * widget, gpointer user_data)
  85 {
  86   GtkCustom * custom = (GtkCustom*) widget;
  87   GtkPaned * pane;
  88   if(!custom->first_pane) return;
  89
  90
  91   pane = custom->first_pane;
  92   while(1){
  93     if((GtkWidget*)pane == (GtkWidget*)user_data){
  94       custom->focused_pane = pane;
  95       break;
  96     }
  97     if(pane == custom->last_pane){
  98       custom->focused_pane = NULL;
  99       break;
 100     }
 101     pane = (GtkPaned*)pane->child1;
 102   }
 103 }
 104
 105 void gtk_custom_set_adjust(GtkCustom * custom, gboolean first_time)
 106 {
 107   TimeWindow time_window;
 108   TimeInterval *time_span;
 109   double tmp, start;
 110   double range = 0;
 111
 112   get_time_window(custom->mw,&time_window);
 113   if(first_time){
 114     time_span = LTTV_TRACESET_CONTEXT(custom->mw->traceset_info->traceset_context)->Time_Span ;
 115
 116     custom->hadjust->lower = ltt_time_to_double(time_span->startTime) *
 117                              NANOSECONDS_PER_SECOND;
 118     custom->hadjust->value = custom->hadjust->lower;
 119     custom->hadjust->upper = ltt_time_to_double(time_span->endTime) *
 120                              NANOSECONDS_PER_SECOND;
 121   }
 122
 123   /* Page increment of whole visible area */
 124   if(custom->hadjust == NULL){
 125     g_warning("Insert a viewer first");
 126     return;
 127   }
 128
 129   start = ltt_time_to_double(time_window.start_time) * NANOSECONDS_PER_SECOND;
 130   tmp = custom->hadjust->upper - custom->hadjust->lower;
 131
 132   custom->hadjust->page_increment = ltt_time_to_double(
 133                         time_window.time_width) * NANOSECONDS_PER_SECOND;
 134
 135   if(custom->hadjust->page_increment >= tmp - range)
 136     custom->hadjust->value = custom->hadjust->lower;
 137   if(start + custom->hadjust->page_increment >= custom->hadjust->upper - range)
 138     custom->hadjust->value = start;
 139
 140   /* page_size to the whole visible area will take care that the
 141      * scroll value + the shown area will never be more than what is
 142      * in the trace. */
 143   custom->hadjust->page_size = custom->hadjust->page_increment;
 144   custom->hadjust->step_increment = custom->hadjust->page_increment / 10;
 145
 146   gtk_adjustment_changed (custom->hadjust);
 147 }
 148
 149 void gtk_custom_widget_add(GtkCustom * custom, GtkWidget * widget1)
 150 {
 151   GtkPaned * tmpPane;
 152   GtkWidget * w;
 153
 154   g_return_if_fail(GTK_IS_CUSTOM(custom));
 155   g_object_ref(G_OBJECT(widget1));
 156
 157
 158   if(!custom->first_pane){
 159     custom->first_pane = (GtkPaned *)gtk_vpaned_new();
 160     custom->last_pane = custom->first_pane;
 161
 162     custom->hscrollbar = gtk_hscrollbar_new (NULL);
 163     gtk_widget_show(custom->hscrollbar);
 164
 165     custom->hadjust = gtk_range_get_adjustment(GTK_RANGE(custom->hscrollbar));
 166     gtk_custom_set_adjust(custom, TRUE);
 167
 168     gtk_range_set_update_policy (GTK_RANGE(custom->hscrollbar),
 169                                   GTK_UPDATE_DISCONTINUOUS);
 170     g_signal_connect(G_OBJECT(custom->hscrollbar), "value-changed",
 171                      G_CALLBACK(gtk_custom_scroll_value_changed), custom);
 172
 173     custom->vbox = gtk_vbox_new(FALSE,0);
 174     gtk_widget_show(custom->vbox);
 175
 176     //    custom->viewport = gtk_viewport_new (NULL,NULL);
 177     //    gtk_widget_show(custom->viewport);
 178
 179     //    gtk_container_add(GTK_CONTAINER(custom->viewport), (GtkWidget*)custom->vbox);
 180     gtk_box_pack_end(GTK_BOX(custom->vbox),(GtkWidget*)custom->hscrollbar,FALSE,FALSE,0);
 181     gtk_box_pack_end(GTK_BOX(custom->vbox),(GtkWidget*)custom->first_pane,TRUE,TRUE,0);
 182
 183     //    custom->scrollWindow = gtk_scrolled_window_new (NULL, NULL);
 184     //    gtk_widget_show(custom->scrollWindow);
 185     //    gtk_container_add (GTK_CONTAINER (custom->scrollWindow), (GtkWidget*)custom->viewport);
 186     //    gtk_paned_pack1(GTK_PANED(custom), (GtkWidget*)custom->scrollWindow,FALSE, TRUE);
 187
 188     gtk_paned_pack1(GTK_PANED(custom), (GtkWidget*)custom->vbox,FALSE, TRUE);
 189   }else{
 190     tmpPane = custom->last_pane;
 191     custom->last_pane = (GtkPaned *)gtk_vpaned_new();
 192     gtk_paned_pack1 (tmpPane,(GtkWidget*)custom->last_pane, FALSE,TRUE);
 193   }
 194   gtk_widget_show((GtkWidget *)custom->last_pane);
 195
 196   gtk_paned_pack2 (custom->last_pane,widget1, TRUE, TRUE);
 197   custom->focused_pane = custom->last_pane;
 198   custom->num_children++;
 199
 200 }
 201
 202 void gtk_custom_widget_delete(GtkCustom * custom)
 203 {
 204   GtkPaned * tmp, *prev, *next;
 205
 206   if(!custom->focused_pane) return;
 207
 208   tmp = (GtkPaned*)custom->focused_pane->child2; //widget in vpaned
 209   g_object_unref(G_OBJECT(tmp));
 210
 211   if(custom->focused_pane == custom->first_pane &&
 212      custom->focused_pane == custom->last_pane){
 213     //    gtk_container_remove(GTK_CONTAINER(custom),(GtkWidget*)custom->scrollWindow);
 214     gtk_container_remove(GTK_CONTAINER(custom),(GtkWidget*)custom->vbox);
 215     custom->first_pane = NULL;
 216     custom->last_pane = NULL;
 217     custom->focused_pane = NULL;
 218   }else if(custom->focused_pane == custom->first_pane &&
 219            custom->focused_pane != custom->last_pane){
 220     next = (GtkPaned*)custom->first_pane->child1;
 221     g_object_ref(G_OBJECT(next));
 222     gtk_container_remove(GTK_CONTAINER(custom->first_pane),(GtkWidget*)next);
 223     gtk_container_remove(GTK_CONTAINER(custom->vbox),(GtkWidget*)custom->first_pane);
 224     custom->first_pane = next;
 225     gtk_box_pack_end(GTK_BOX(custom->vbox),(GtkWidget*)custom->first_pane,TRUE,TRUE,0);
 226     custom->focused_pane = custom->first_pane;
 227     g_object_unref(G_OBJECT(next));
 228   }else if(custom->focused_pane != custom->first_pane &&
 229            custom->focused_pane == custom->last_pane){
 230     tmp = custom->last_pane;
 231     custom->last_pane = (GtkPaned*)gtk_widget_get_parent((GtkWidget*)custom->last_pane);
 232     custom->focused_pane = custom->last_pane;
 233     gtk_container_remove(GTK_CONTAINER(custom->last_pane),(GtkWidget*)tmp);
 234   }else{
 235     tmp = custom->focused_pane;
 236     prev = (GtkPaned*)gtk_widget_get_parent((GtkWidget*)tmp);
 237     next = (GtkPaned*)tmp->child1;
 238     g_object_ref(G_OBJECT(next));
 239     gtk_container_remove(GTK_CONTAINER(custom->focused_pane),(GtkWidget*)next);
 240     gtk_container_remove(GTK_CONTAINER(prev),(GtkWidget*)custom->focused_pane);
 241     gtk_paned_pack1(prev, (GtkWidget*)next, FALSE, TRUE);
 242     custom->focused_pane = next;
 243     g_object_unref(G_OBJECT(next));
 244   }
 245
 246   custom->num_children--;
 247 }
 248
 249
 250 void gtk_custom_widget_move_up(GtkCustom * custom)
 251 {
 252   GtkWidget* upWidget, *downWidget;
 253   GtkPaned * prev,*next, *prevPrev;
 254
 255   if(custom->last_pane == custom->focused_pane) return;
 256
 257   // move VPane
 258   prev = (GtkPaned*)custom->focused_pane->child1;
 259   g_object_ref(G_OBJECT(prev));
 260   gtk_container_remove(GTK_CONTAINER(custom->focused_pane),(GtkWidget*)prev);
 261
 262   if(prev == custom->last_pane){
 263     prevPrev = NULL;
 264     custom->last_pane = custom->focused_pane;
 265   }else{
 266     prevPrev = (GtkPaned*)prev->child1;
 267     g_object_ref(G_OBJECT(prevPrev));
 268     gtk_container_remove(GTK_CONTAINER(prev),(GtkWidget*)prevPrev);
 269   }
 270
 271   g_object_ref(G_OBJECT(custom->focused_pane));
 272   if(custom->first_pane == custom->focused_pane){
 273     gtk_container_remove(GTK_CONTAINER(custom->vbox),(GtkWidget*)custom->focused_pane);
 274     gtk_box_pack_end(GTK_BOX(custom->vbox),(GtkWidget*)prev,TRUE,TRUE,0);
 275     custom->first_pane = prev;
 276   }else{
 277     next = (GtkPaned*)gtk_widget_get_parent((GtkWidget*)custom->focused_pane);
 278     gtk_container_remove(GTK_CONTAINER(next),(GtkWidget*)custom->focused_pane);
 279     gtk_paned_pack1(GTK_PANED(next), (GtkWidget*)prev, FALSE,TRUE);
 280   }
 281   gtk_paned_pack1(GTK_PANED(prev),(GtkWidget*)custom->focused_pane, FALSE,TRUE);
 282   if(prevPrev)
 283     gtk_paned_pack1(GTK_PANED(custom->focused_pane),(GtkWidget*)prevPrev, FALSE,TRUE);
 284
 285   g_object_unref(G_OBJECT(prev));
 286   if(prevPrev) g_object_unref(G_OBJECT(prevPrev));
 287   g_object_unref(G_OBJECT(custom->focused_pane));
 288 }
 289
 290
 291 void gtk_custom_widget_move_down(GtkCustom * custom)
 292 {
 293   GtkWidget* upWidget, *downWidget;
 294   GtkPaned * prev,*next, *nextNext;
 295
 296   if(custom->first_pane == custom->focused_pane) return;
 297
 298   //move VPane
 299   next = (GtkPaned*)gtk_widget_get_parent((GtkWidget*)custom->focused_pane);
 300   g_object_ref(G_OBJECT(next));
 301
 302   if(custom->last_pane == custom->focused_pane){
 303     prev = NULL;
 304     custom->last_pane = next;
 305   }else{
 306     prev = (GtkPaned*)custom->focused_pane->child1;
 307     g_object_ref(G_OBJECT(prev));
 308     gtk_container_remove(GTK_CONTAINER(custom->focused_pane),(GtkWidget*)prev);
 309   }
 310
 311   g_object_ref(G_OBJECT(custom->focused_pane));
 312   gtk_container_remove(GTK_CONTAINER(next),(GtkWidget*)custom->focused_pane);
 313
 314   if(next == custom->first_pane){
 315     custom->first_pane = custom->focused_pane;
 316     gtk_container_remove(GTK_CONTAINER(custom->vbox),(GtkWidget*)next);
 317     gtk_box_pack_end(GTK_BOX(custom->vbox),(GtkWidget*)custom->focused_pane,TRUE,TRUE,0);
 318   }else{
 319     nextNext = (GtkPaned*)gtk_widget_get_parent((GtkWidget*)next);
 320     gtk_container_remove(GTK_CONTAINER(nextNext),(GtkWidget*)next);
 321     gtk_paned_pack1(nextNext, (GtkWidget*)custom->focused_pane, FALSE, TRUE);
 322   }
 323   gtk_paned_pack1(custom->focused_pane,(GtkWidget*)next, FALSE,TRUE);
 324   if(prev)
 325     gtk_paned_pack1(next,(GtkWidget*)prev, FALSE,TRUE);
 326
 327   if(prev)g_object_unref(G_OBJECT(prev));
 328   g_object_unref(G_OBJECT(next));
 329   g_object_unref(G_OBJECT(custom->focused_pane));
 330 }
 331
 332 void gtk_custom_scroll_value_changed(GtkRange *range, gpointer custom_arg)
 333 {
 334   LttTime time;
 335   GtkCustom * custom = (GtkCustom*)custom_arg;
 336   gdouble value = gtk_range_get_value(range);
 337   time = ltt_time_from_double(value / NANOSECONDS_PER_SECOND);
 338   set_current_time(custom->mw, &time);
 339   g_warning("The current time is second :%d, nanosecond : %d\n", time.tv_sec, time.tv_nsec);
 340 }
 341
 342
 343 static void
 344 gtk_custom_size_request (GtkWidget      *widget,
 345                          GtkRequisition *requisition)
 346 {
 347   GtkPaned *paned = GTK_PANED (widget);
 348   GtkRequisition child_requisition;
 349
 350   requisition->width = 0;
 351   requisition->height = 0;
 352
 353   if (paned->child1 && GTK_WIDGET_VISIBLE (paned->child1))
 354     {
 355       gtk_widget_size_request (paned->child1, &child_requisition);
 356
 357       requisition->height = child_requisition.height;
 358       requisition->width = child_requisition.width;
 359     }
 360
 361   if (paned->child2 && GTK_WIDGET_VISIBLE (paned->child2))
 362     {
 363       gtk_widget_size_request (paned->child2, &child_requisition);
 364
 365       requisition->width = MAX (requisition->width, child_requisition.width);
 366       requisition->height += child_requisition.height;
 367     }
 368
 369   requisition->height += GTK_CONTAINER (paned)->border_width * 2;
 370   requisition->width += GTK_CONTAINER (paned)->border_width * 2;
 371
 372   if (paned->child1 && GTK_WIDGET_VISIBLE (paned->child1) &&
 373       paned->child2 && GTK_WIDGET_VISIBLE (paned->child2))
 374     {
 375       gint handle_size;
 376
 377       gtk_widget_style_get (widget, "handle_size", &handle_size, NULL);
 378       requisition->height += handle_size;
 379     }
 380
 381 }
 382
 383 static void
 384 gtk_custom_size_allocate (GtkWidget     *widget,
 385                           GtkAllocation *allocation)
 386 {
 387   GtkPaned *paned = GTK_PANED (widget);
 388   gint border_width = GTK_CONTAINER (paned)->border_width;
 389
 390   widget->allocation = *allocation;
 391
 392   if (paned->child1 && GTK_WIDGET_VISIBLE (paned->child1) &&
 393       paned->child2 && GTK_WIDGET_VISIBLE (paned->child2))
 394     {
 395       GtkRequisition child1_requisition;
 396       GtkRequisition child2_requisition;
 397       GtkAllocation child1_allocation;
 398       GtkAllocation child2_allocation;
 399       gint handle_size;
 400
 401       gtk_widget_style_get (widget, "handle_size", &handle_size, NULL);
 402
 403       gtk_widget_get_child_requisition (paned->child1, &child1_requisition);
 404       gtk_widget_get_child_requisition (paned->child2, &child2_requisition);
 405
 406       gtk_paned_compute_position (paned,
 407                                   MAX (1, widget->allocation.height
 408                                        - handle_size
 409                                        - 2 * border_width),
 410                                   child1_requisition.height,
 411                                   child2_requisition.height);
 412
 413       paned->handle_pos.x = widget->allocation.x + border_width;
 414       paned->handle_pos.y = widget->allocation.y + paned->child1_size + border_width;
 415       paned->handle_pos.width = MAX (1, (gint) widget->allocation.width - 2 * border_width);
 416       paned->handle_pos.height = handle_size;
 417
 418       if (GTK_WIDGET_REALIZED (widget))
 419         {
 420           if (GTK_WIDGET_MAPPED (widget))
 421             gdk_window_show (paned->handle);
 422           gdk_window_move_resize (paned->handle,
 423                                   paned->handle_pos.x,
 424                                   paned->handle_pos.y,
 425                                   paned->handle_pos.width,
 426                                   handle_size);
 427         }
 428
 429       child1_allocation.width = child2_allocation.width = MAX (1, (gint) allocation->width - border_width * 2);
 430       child1_allocation.height = MAX (1, paned->child1_size);
 431       child1_allocation.x = child2_allocation.x = widget->allocation.x + border_width;
 432       child1_allocation.y = widget->allocation.y + border_width;
 433
 434       child2_allocation.y = child1_allocation.y + paned->child1_size + paned->handle_pos.height;
 435       child2_allocation.height = MAX (1, widget->allocation.y + widget->allocation.height - child2_allocation.y - border_width);
 436
 437       if (GTK_WIDGET_MAPPED (widget) &&
 438           paned->child1->allocation.height < child1_allocation.height)
 439         {
 440           gtk_widget_size_allocate (paned->child2, &child2_allocation);
 441           gtk_widget_size_allocate (paned->child1, &child1_allocation);
 442         }
 443       else
 444         {
 445           gtk_widget_size_allocate (paned->child1, &child1_allocation);
 446           gtk_widget_size_allocate (paned->child2, &child2_allocation);
 447         }
 448     }
 449   else
 450     {
 451       GtkAllocation child_allocation;
 452
 453       if (GTK_WIDGET_REALIZED (widget))
 454         gdk_window_hide (paned->handle);
 455
 456       if (paned->child1)
 457         gtk_widget_set_child_visible (paned->child1, TRUE);
 458       if (paned->child2)
 459         gtk_widget_set_child_visible (paned->child2, TRUE);
 460
 461       child_allocation.x = widget->allocation.x + border_width;
 462       child_allocation.y = widget->allocation.y + border_width;
 463       child_allocation.width = MAX (1, allocation->width - 2 * border_width);
 464       child_allocation.height = MAX (1, allocation->height - 2 * border_width);
 465
 466       if (paned->child1 && GTK_WIDGET_VISIBLE (paned->child1))
 467         gtk_widget_size_allocate (paned->child1, &child_allocation);
 468       else if (paned->child2 && GTK_WIDGET_VISIBLE (paned->child2))
 469         gtk_widget_size_allocate (paned->child2, &child_allocation);
 470     }
 471 }
 472