210125/gtk.i.3

   1 typedef unsigned int guint32;
   2 typedef unsigned int gsize;
   3 typedef int gint;
   4 typedef gint gboolean;
   5 typedef unsigned int guint;
   6 typedef void *gpointer;
   7 typedef struct _GList GList;
   8 typedef gsize GType;
   9 typedef struct _GTypeInstance GTypeInstance;
  10 typedef void (*GClassInitFunc) (gpointer g_class, gpointer class_data);
  11 typedef void (*GInstanceInitFunc) (GTypeInstance * instance, gpointer g_class);
  12 typedef enum {
  13         G_TYPE_FLAG_CLASSED = (1 << 0), G_TYPE_FLAG_INSTANTIATABLE =
  14             (1 << 1), G_TYPE_FLAG_DERIVABLE =
  15             (1 << 2), G_TYPE_FLAG_DEEP_DERIVABLE = (1 << 3)
  16 } GTypeFlags;
  17 typedef struct _GdkRectangle GdkRectangle;
  18 struct _GdkRectangle {
  19         gint x;
  20         gint y;
  21         gint width;
  22         gint height;
  23 };
  24 typedef enum {
  25         GTK_PACK_START, GTK_PACK_END
  26 } GtkPathType;
  27 typedef enum {
  28         GTK_POS_LEFT, GTK_POS_RIGHT, GTK_POS_TOP, GTK_POS_BOTTOM
  29 } GtkPreviewType;
  30 typedef struct _GtkObject GtkObject;
  31 struct _GtkObject {
  32         guint32 flags;
  33 };
  34 typedef struct _GtkWidget GtkWidget;
  35 typedef enum {
  36         GTK_TOPLEVEL = 1 << 4, GTK_NO_WINDOW = 1 << 5, GTK_REALIZED =
  37             1 << 6, GTK_MAPPED = 1 << 7, GTK_VISIBLE = 1 << 8, GTK_SENSITIVE =
  38             1 << 9, GTK_PARENT_SENSITIVE = 1 << 10, GTK_CAN_FOCUS =
  39             1 << 11, GTK_HAS_FOCUS = 1 << 12, GTK_CAN_DEFAULT =
  40             1 << 13, GTK_HAS_DEFAULT = 1 << 14, GTK_HAS_GRAB =
  41             1 << 15, GTK_RC_STYLE = 1 << 16, GTK_COMPOSITE_CHILD =
  42             1 << 17, GTK_NO_REPARENT = 1 << 18, GTK_APP_PAINTABLE =
  43             1 << 19, GTK_RECEIVES_DEFAULT = 1 << 20, GTK_DOUBLE_BUFFERED =
  44             1 << 21, GTK_NO_SHOW_ALL = 1 << 22
  45 } GtkWidgetFlags;
  46 typedef struct _GtkRequisition GtkRequisition;
  47 typedef GdkRectangle GtkAllocation;
  48 struct _GtkRequisition {
  49         gint width;
  50         gint height;
  51 };
  52 struct _GtkWidget {
  53         GtkWidget *parent;
  54 };
  55 typedef enum {
  56         GTK_NOTEBOOK_TAB_FIRST, GTK_NOTEBOOK_TAB_LAST
  57 } GtkNotebookTab;
  58 typedef struct _GtkNotebook GtkNotebook;
  59 typedef struct _GtkNotebookClass GtkNotebookClass;
  60 typedef struct _GtkNotebookPage GtkNotebookPage;
  61 struct _GtkNotebook {
  62         GtkNotebookPage *cur_page;
  63         guint show_tabs:1;
  64         guint homogeneous:1;
  65 };
  66 struct _GtkNotebookClass {
  67         gboolean(*focus_tab) (GtkNotebook * notebook, GtkNotebookTab type);
  68 };
  69 enum {
  70         STEP_PREV, STEP_NEXT
  71 };
  72 typedef enum {
  73         DRAG_OPERATION_NONE, DRAG_OPERATION_REORDER, DRAG_OPERATION_DETACH
  74 } GtkNotebookDragOperation;
  75 struct _GtkNotebookPage {
  76         GtkWidget *tab_label;
  77         guint expand:1;
  78         guint pack:1;
  79         GtkRequisition requisition;
  80         GtkAllocation allocation;
  81 };
  82 typedef struct _GtkNotebookPrivate GtkNotebookPrivate;
  83 struct _GtkNotebookPrivate {
  84         GtkNotebookDragOperation operation;
  85         gint drag_window_x;
  86         gint drag_window_y;
  87         GtkNotebookPage *detached_tab;
  88 };
  89  gboolean gtk_notebook_focus_tab(GtkNotebook * notebook,
  90                                        GtkNotebookTab type);
  91  void gtk_notebook_switch_focus_tab(GtkNotebook * notebook,
  92                                           GList * new_child);
  93  void gtk_notebook_init(GtkNotebook * self);
  94  void gtk_notebook_class_init(GtkNotebookClass * klass);
  95  void gtk_notebook_class_intern_init(gpointer klass)
  96 {
  97         gtk_notebook_class_init((GtkNotebookClass *) klass);
  98 }
  99 GType IA__gtk_notebook_get_type(void)
 100 {
 101         gsize g_define_type_id__volatile;
 102         if (g_once_init_enter(&g_define_type_id__volatile))
 103 {
 104                 GType g_define_type_id =
 105                     g_type_register_static_simple((IA__gtk_container_get_type
 106                                                    ()),
 107                                                   g_intern_static_string
 108                                                   ("GtkNotebook"),
 109                                                   sizeof(GtkNotebookClass),
 110                                                   (GClassInitFunc)
 111                                                   gtk_notebook_class_intern_init,
 112                                                   sizeof(GtkNotebook),
 113                                                   (GInstanceInitFunc)
 114                                                   gtk_notebook_init,
 115                                                   (GTypeFlags) 0);
 116 }
 117 }
 118  void gtk_notebook_class_init(GtkNotebookClass * class)
 119 {
 120         class->focus_tab = gtk_notebook_focus_tab;
 121 }
 122  gboolean gtk_notebook_focus_tab(GtkNotebook * notebook,
 123                                        GtkNotebookTab type)
 124 {
 125         GList *list;
 126         if (IA__gtk_widget_is_focus(((((GtkWidget *) ((notebook))))))
 127             && notebook->show_tabs) {
 128                 switch (type) {
 129                 case GTK_NOTEBOOK_TAB_LAST:
 130                         list =
 131                             gtk_notebook_search_page(notebook, ((void *)0),
 132                                                      STEP_PREV, (!(0)));
 133                         if (list)
 134                                 gtk_notebook_switch_focus_tab(notebook, list);
 135                 }
 136         }
 137 }
 138  gboolean gtk_notebook_calculate_tabs_allocation(GtkNotebook * notebook,
 139                                                        GList ** children,
 140                                                        GList * last_child,
 141                                                        gboolean showarrow,
 142                                                        gint direction,
 143                                                        gint * remaining_space,
 144                                                        gint * expanded_tabs,
 145                                                        gint min, gint max)
 146 {
 147         GtkNotebookPrivate *priv;
 148         GtkNotebookPage *page;
 149         gboolean allocate_at_bottom;
 150         gint tab_overlap;
 151         gint tab_pos;
 152         gint tab_extra_space;
 153         gint left_x;
 154         gint right_x;
 155         gint top_y;
 156         gint anchor;
 157         gint xthickness;
 158         gint ythickness;
 159         gboolean gap_left;
 160         gboolean packing_changed;
 161         GtkAllocation child_allocation = {
 162                 0,
 163         };
 164         while (*children && *children != last_child) {
 165                 if (!
 166                     (((GtkNotebookPage *) (page))->tab_label->parent ==
 167                      ((GtkWidget *) (notebook))))
 168                         continue;
 169                 if (*expanded_tabs
 170                     && (showarrow || page->expand || notebook->homogeneous)) {
 171                         tab_extra_space = *remaining_space / *expanded_tabs;
 172                         *remaining_space -= tab_extra_space;
 173                 }
 174                 switch (tab_pos) {
 175                 case GTK_POS_TOP:
 176                 case GTK_POS_BOTTOM:
 177                         child_allocation.width =
 178                             page->requisition.width + tab_overlap +
 179                             tab_extra_space;
 180                         if (priv->operation == DRAG_OPERATION_REORDER
 181                             && !gap_left && packing_changed) {
 182                                 if (!allocate_at_bottom) {
 183                                         if ((notebook->cur_page->pack ==
 184                                              GTK_PACK_START && left_x >= anchor)
 185                                             || (notebook->cur_page->pack ==
 186                                                 GTK_PACK_END
 187                                                 && left_x < anchor)) {
 188                                                 left_x = priv->drag_window_x =
 189                                                     anchor;
 190                                                 anchor +=
 191                                                     notebook->cur_page->
 192                                                     allocation.width -
 193                                                     tab_overlap;
 194                                         }
 195                                         if ((notebook->cur_page->pack ==
 196                                              GTK_PACK_START
 197                                              && right_x <= anchor)
 198                                             || (notebook->cur_page->pack ==
 199                                                 GTK_PACK_END
 200                                                 && right_x > anchor)) {
 201                                                 anchor -=
 202                                                     notebook->cur_page->
 203                                                     allocation.width;
 204                                                 left_x = priv->drag_window_x =
 205                                                     anchor;
 206                                                 anchor += tab_overlap;
 207                                         }
 208                                 }
 209                         } else {
 210                                 if (allocate_at_bottom)
 211                                         anchor -= child_allocation.width;
 212                                 if (priv->operation == DRAG_OPERATION_REORDER
 213                                     && page->pack == notebook->cur_page->pack) {
 214                                         if (!allocate_at_bottom
 215                                             && left_x >= anchor
 216                                             && left_x <=
 217                                             anchor + child_allocation.width / 2)
 218                                                 anchor +=
 219                                                     notebook->cur_page->
 220                                                     allocation.width -
 221                                                     tab_overlap;
 222                                         else if (allocate_at_bottom
 223                                                  && right_x >=
 224                                                  anchor +
 225                                                  child_allocation.width / 2
 226                                                  && right_x <=
 227                                                  anchor +
 228                                                  child_allocation.width)
 229                                                 anchor -=
 230                                                     notebook->cur_page->
 231                                                     allocation.width -
 232                                                     tab_overlap;
 233                                 }
 234                                 child_allocation.x = anchor;
 235                         }
 236                         break;
 237                 case GTK_POS_LEFT:
 238                 case GTK_POS_RIGHT:
 239                         child_allocation.height =
 240                             page->requisition.height + tab_overlap +
 241                             tab_extra_space;
 242                         if (priv->operation == DRAG_OPERATION_REORDER
 243                             && !gap_left && packing_changed) {
 244                                 priv->drag_window_x = child_allocation.x;
 245                                 priv->drag_window_y = top_y;
 246                                 if (priv->operation == DRAG_OPERATION_REORDER
 247                                     && page->pack == notebook->cur_page->pack) {
 248                                         if (!allocate_at_bottom
 249                                             && top_y >= anchor
 250                                             && top_y <=
 251                                             anchor +
 252                                             child_allocation.height / 2)
 253                                                 anchor +=
 254                                                     notebook->cur_page->
 255                                                     allocation.height -
 256                                                     tab_overlap;
 257                                 }
 258                         }
 259                 }
 260                 if ((page == priv->detached_tab
 261                      && priv->operation == DRAG_OPERATION_DETACH)
 262                     || (page == notebook->cur_page
 263                         && priv->operation == DRAG_OPERATION_REORDER)) {
 264                         page->allocation.x = 0;
 265                 }
 266                 if (page != notebook->cur_page) {
 267                         switch (tab_pos) {
 268                         case GTK_POS_TOP:
 269                                 page->allocation.y += ythickness;
 270                         case GTK_POS_BOTTOM:
 271                                 page->allocation.height =
 272                                     (((1) >
 273                                       (page->allocation.height -
 274                                        ythickness)) ? (1) : (page->allocation.
 275                                                              height -
 276                                                              ythickness));
 277                                 break;
 278                         case GTK_POS_LEFT:
 279                                 page->allocation.x += xthickness;
 280                         case GTK_POS_RIGHT:
 281                                 page->allocation.width =
 282                                     (((1) >
 283                                       (page->allocation.width -
 284                                        xthickness)) ? (1) : (page->allocation.
 285                                                              width -
 286                                                              xthickness));
 287                         }
 288                 }
 289                 switch (tab_pos) {
 290                 case GTK_POS_TOP:
 291                 case GTK_POS_BOTTOM:
 292                         if (priv->operation != DRAG_OPERATION_REORDER
 293                             || (priv->operation == DRAG_OPERATION_REORDER
 294                                 && page != notebook->cur_page)) {
 295                                 if (!allocate_at_bottom)
 296                                         anchor +=
 297                                             child_allocation.width -
 298                                             tab_overlap;
 299                         }
 300                 case GTK_POS_LEFT:
 301                 case GTK_POS_RIGHT:
 302                         if (priv->operation != DRAG_OPERATION_REORDER
 303                             || (priv->operation == DRAG_OPERATION_REORDER
 304                                 && page != notebook->cur_page)) {
 305                                 if (priv->operation == DRAG_OPERATION_REORDER) {
 306                                         if (page->pack ==
 307                                             notebook->cur_page->pack
 308                                             && !allocate_at_bottom
 309                                             && top_y >=
 310                                             anchor + child_allocation.height / 2
 311                                             && top_y <=
 312                                             anchor + child_allocation.height)
 313                                                 anchor +=
 314                                                     notebook->cur_page->
 315                                                     allocation.height -
 316                                                     tab_overlap;
 317                                 }
 318                         }
 319                 }
 320                 if (page->tab_label)
 321                         IA__gtk_widget_set_child_visible(page->tab_label,
 322                                                          (!(0)));
 323         }
 324 }
 325  void gtk_notebook_pages_allocate(GtkNotebook * notebook)
 326 {
 327         GList *children = ((void *)0);
 328         GList *last_child = ((void *)0);
 329         gboolean showarrow = (0);
 330         gint min;
 331         gint max;
 332         gint remaining_space;
 333         gint expanded_tabs;
 334         gtk_notebook_calculate_tabs_allocation(notebook, &children, last_child,
 335                                                showarrow, STEP_NEXT,
 336                                                &remaining_space, &expanded_tabs,
 337                                                min, max);
 338         if (children && children != last_child) {
 339                 gtk_notebook_calculate_tabs_allocation(notebook, &children,
 340                                                        last_child, showarrow,
 341                                                        STEP_PREV,
 342                                                        &remaining_space,
 343                                                        &expanded_tabs, min,
 344                                                        max);
 345         }
 346 }
 347  void gtk_notebook_switch_focus_tab(GtkNotebook * notebook,
 348                                           GList * new_child)
 349 {
 350         GtkNotebookPage *page;
 351         if (((((((((GtkObject *) ((page->tab_label)))))->
 352                 flags)) & GTK_MAPPED) != 0))
 353                 gtk_notebook_redraw_tabs(notebook);
 354         else
 355                 gtk_notebook_pages_allocate(notebook);
 356 }