210125/gtk.i.1

   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 static gboolean gtk_notebook_focus_tab(GtkNotebook * notebook,
  90                                        GtkNotebookTab type);
  91 static void gtk_notebook_switch_focus_tab(GtkNotebook * notebook,
  92                                           GList * new_child);
  93 static void gtk_notebook_init(GtkNotebook * self);
  94 static void gtk_notebook_class_init(GtkNotebookClass * klass);
  95 static 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         static volatile gsize g_define_type_id__volatile = 0;
 102         if (g_once_init_enter(&g_define_type_id__volatile)) {
 103                 GType g_define_type_id =
 104                     g_type_register_static_simple((IA__gtk_container_get_type
 105                                                    ()),
 106                                                   g_intern_static_string
 107                                                   ("GtkNotebook"),
 108                                                   sizeof(GtkNotebookClass),
 109                                                   (GClassInitFunc)
 110                                                   gtk_notebook_class_intern_init,
 111                                                   sizeof(GtkNotebook),
 112                                                   (GInstanceInitFunc)
 113                                                   gtk_notebook_init,
 114                                                   (GTypeFlags) 0);
 115         }
 116 }
 117 static void gtk_notebook_class_init(GtkNotebookClass * class)
 118 {
 119         class->focus_tab = gtk_notebook_focus_tab;
 120 }
 121 static gboolean gtk_notebook_focus_tab(GtkNotebook * notebook,
 122                                        GtkNotebookTab type)
 123 {
 124         GList *list;
 125         if (IA__gtk_widget_is_focus(((((GtkWidget *) ((notebook))))))
 126             && notebook->show_tabs) {
 127                 switch (type) {
 128                 case GTK_NOTEBOOK_TAB_LAST:
 129                         list =
 130                             gtk_notebook_search_page(notebook, ((void *)0),
 131                                                      STEP_PREV, (!(0)));
 132                         if (list)
 133                                 gtk_notebook_switch_focus_tab(notebook, list);
 134                 }
 135         }
 136 }
 137 static gboolean gtk_notebook_calculate_tabs_allocation(GtkNotebook * notebook,
 138                                                        GList ** children,
 139                                                        GList * last_child,
 140                                                        gboolean showarrow,
 141                                                        gint direction,
 142                                                        gint * remaining_space,
 143                                                        gint * expanded_tabs,
 144                                                        gint min, gint max)
 145 {
 146         GtkNotebookPrivate *priv;
 147         GtkNotebookPage *page;
 148         gboolean allocate_at_bottom;
 149         gint tab_overlap, tab_pos, tab_extra_space;
 150         gint left_x, right_x, top_y, bottom_y, anchor;
 151         gint xthickness, ythickness;
 152         gboolean gap_left, packing_changed;
 153         GtkAllocation child_allocation = {
 154                 0,
 155         };
 156         while (*children && *children != last_child) {
 157                 if (!
 158                     (((GtkNotebookPage *) (page))->tab_label->parent ==
 159                      ((GtkWidget *) (notebook))))
 160                         continue;
 161                 if (*expanded_tabs
 162                     && (showarrow || page->expand || notebook->homogeneous)) {
 163                         tab_extra_space = *remaining_space / *expanded_tabs;
 164                         *remaining_space -= tab_extra_space;
 165                 }
 166                 switch (tab_pos) {
 167                 case GTK_POS_TOP:
 168                 case GTK_POS_BOTTOM:
 169                         child_allocation.width =
 170                             page->requisition.width + tab_overlap +
 171                             tab_extra_space;
 172                         if (priv->operation == DRAG_OPERATION_REORDER
 173                             && !gap_left && packing_changed) {
 174                                 if (!allocate_at_bottom) {
 175                                         if ((notebook->cur_page->pack ==
 176                                              GTK_PACK_START && left_x >= anchor)
 177                                             || (notebook->cur_page->pack ==
 178                                                 GTK_PACK_END
 179                                                 && left_x < anchor)) {
 180                                                 left_x = priv->drag_window_x =
 181                                                     anchor;
 182                                                 anchor +=
 183                                                     notebook->cur_page->
 184                                                     allocation.width -
 185                                                     tab_overlap;
 186                                         }
 187                                         if ((notebook->cur_page->pack ==
 188                                              GTK_PACK_START
 189                                              && right_x <= anchor)
 190                                             || (notebook->cur_page->pack ==
 191                                                 GTK_PACK_END
 192                                                 && right_x > anchor)) {
 193                                                 anchor -=
 194                                                     notebook->cur_page->
 195                                                     allocation.width;
 196                                                 left_x = priv->drag_window_x =
 197                                                     anchor;
 198                                                 anchor += tab_overlap;
 199                                         }
 200                                 }
 201                         } else {
 202                                 if (allocate_at_bottom)
 203                                         anchor -= child_allocation.width;
 204                                 if (priv->operation == DRAG_OPERATION_REORDER
 205                                     && page->pack == notebook->cur_page->pack) {
 206                                         if (!allocate_at_bottom
 207                                             && left_x >= anchor
 208                                             && left_x <=
 209                                             anchor + child_allocation.width / 2)
 210                                                 anchor +=
 211                                                     notebook->cur_page->
 212                                                     allocation.width -
 213                                                     tab_overlap;
 214                                         else if (allocate_at_bottom
 215                                                  && right_x >=
 216                                                  anchor +
 217                                                  child_allocation.width / 2
 218                                                  && right_x <=
 219                                                  anchor +
 220                                                  child_allocation.width)
 221                                                 anchor -=
 222                                                     notebook->cur_page->
 223                                                     allocation.width -
 224                                                     tab_overlap;
 225                                 }
 226                                 child_allocation.x = anchor;
 227                         }
 228                         break;
 229                 case GTK_POS_LEFT:
 230                 case GTK_POS_RIGHT:
 231                         child_allocation.height =
 232                             page->requisition.height + tab_overlap +
 233                             tab_extra_space;
 234                         if (priv->operation == DRAG_OPERATION_REORDER
 235                             && !gap_left && packing_changed) {
 236                                 priv->drag_window_x = child_allocation.x;
 237                                 priv->drag_window_y = top_y;
 238                                 if (priv->operation == DRAG_OPERATION_REORDER
 239                                     && page->pack == notebook->cur_page->pack) {
 240                                         if (!allocate_at_bottom
 241                                             && top_y >= anchor
 242                                             && top_y <=
 243                                             anchor +
 244                                             child_allocation.height / 2)
 245                                                 anchor +=
 246                                                     notebook->cur_page->
 247                                                     allocation.height -
 248                                                     tab_overlap;
 249                                 }
 250                         }
 251                 }
 252                 if ((page == priv->detached_tab
 253                      && priv->operation == DRAG_OPERATION_DETACH)
 254                     || (page == notebook->cur_page
 255                         && priv->operation == DRAG_OPERATION_REORDER)) {
 256                         page->allocation.x = 0;
 257                 }
 258                 if (page != notebook->cur_page) {
 259                         switch (tab_pos) {
 260                         case GTK_POS_TOP:
 261                                 page->allocation.y += ythickness;
 262                         case GTK_POS_BOTTOM:
 263                                 page->allocation.height =
 264                                     (((1) >
 265                                       (page->allocation.height -
 266                                        ythickness)) ? (1) : (page->allocation.
 267                                                              height -
 268                                                              ythickness));
 269                                 break;
 270                         case GTK_POS_LEFT:
 271                                 page->allocation.x += xthickness;
 272                         case GTK_POS_RIGHT:
 273                                 page->allocation.width =
 274                                     (((1) >
 275                                       (page->allocation.width -
 276                                        xthickness)) ? (1) : (page->allocation.
 277                                                              width -
 278                                                              xthickness));
 279                         }
 280                 }
 281                 switch (tab_pos) {
 282                 case GTK_POS_TOP:
 283                 case GTK_POS_BOTTOM:
 284                         if (priv->operation != DRAG_OPERATION_REORDER
 285                             || (priv->operation == DRAG_OPERATION_REORDER
 286                                 && page != notebook->cur_page)) {
 287                                 if (!allocate_at_bottom)
 288                                         anchor +=
 289                                             child_allocation.width -
 290                                             tab_overlap;
 291                         }
 292                 case GTK_POS_LEFT:
 293                 case GTK_POS_RIGHT:
 294                         if (priv->operation != DRAG_OPERATION_REORDER
 295                             || (priv->operation == DRAG_OPERATION_REORDER
 296                                 && page != notebook->cur_page)) {
 297                                 if (priv->operation == DRAG_OPERATION_REORDER) {
 298                                         if (page->pack ==
 299                                             notebook->cur_page->pack
 300                                             && !allocate_at_bottom
 301                                             && top_y >=
 302                                             anchor + child_allocation.height / 2
 303                                             && top_y <=
 304                                             anchor + child_allocation.height)
 305                                                 anchor +=
 306                                                     notebook->cur_page->
 307                                                     allocation.height -
 308                                                     tab_overlap;
 309                                 }
 310                         }
 311                 }
 312                 if (page->tab_label)
 313                         IA__gtk_widget_set_child_visible(page->tab_label,
 314                                                          (!(0)));
 315         }
 316 }
 317 static void gtk_notebook_pages_allocate(GtkNotebook * notebook)
 318 {
 319         GList *children = ((void *)0);
 320         GList *last_child = ((void *)0);
 321         gboolean showarrow = (0);
 322         gint tab_space, min, max, remaining_space;
 323         gint expanded_tabs, operation;
 324         gtk_notebook_calculate_tabs_allocation(notebook, &children, last_child,
 325                                                showarrow, STEP_NEXT,
 326                                                &remaining_space, &expanded_tabs,
 327                                                min, max);
 328         if (children && children != last_child) {
 329                 gtk_notebook_calculate_tabs_allocation(notebook, &children,
 330                                                        last_child, showarrow,
 331                                                        STEP_PREV,
 332                                                        &remaining_space,
 333                                                        &expanded_tabs, min,
 334                                                        max);
 335         }
 336 }
 337 static void gtk_notebook_switch_focus_tab(GtkNotebook * notebook,
 338                                           GList * new_child)
 339 {
 340         GtkNotebookPage *page;
 341         if (((((((((GtkObject *) ((page->tab_label)))))->
 342                 flags)) & GTK_MAPPED) != 0))
 343                 gtk_notebook_redraw_tabs(notebook);
 344         else
 345                 gtk_notebook_pages_allocate(notebook);
 346 }