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-rw-r--r--e-util/e-bit-array.c415
1 files changed, 0 insertions, 415 deletions
diff --git a/e-util/e-bit-array.c b/e-util/e-bit-array.c
deleted file mode 100644
index f79970ad22..0000000000
--- a/e-util/e-bit-array.c
+++ /dev/null
@@ -1,415 +0,0 @@
-/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
-/*
- * e-selection-model-array.c: a Selection Model
- *
- * Author:
- * Christopher James Lahey <clahey@ximian.com>
- *
- * (C) 2000, 2001 Ximian, Inc.
- */
-#include <config.h>
-#include <gtk/gtksignal.h>
-#include "e-bit-array.h"
-#include "gal/util/e-util.h"
-
-#define EBA_CLASS(e) ((EBitArrayClass *)((GtkObject *)e)->klass)
-
-#define PARENT_TYPE (gtk_object_get_type ())
-
-#define ONES ((guint32) 0xffffffff)
-
-#define BOX(n) ((n) / 32)
-#define OFFSET(n) (31 - ((n) % 32))
-#define BITMASK(n) ((guint32)(((guint32) 0x1) << OFFSET((n))))
-#define BITMASK_LEFT(n) ((((n) % 32) == 0) ? 0 : (ONES << (32 - ((n) % 32))))
-#define BITMASK_RIGHT(n) ((guint32)(((guint32) ONES) >> ((n) % 32)))
-
-static GtkObjectClass *parent_class;
-
-static void
-e_bit_array_insert_real(EBitArray *eba, int row)
-{
- int box;
- int i;
- if(eba->bit_count >= 0) {
- /* Add another word if needed. */
- if ((eba->bit_count & 0x1f) == 0) {
- eba->data = g_renew(gint, eba->data, (eba->bit_count >> 5) + 1);
- eba->data[eba->bit_count >> 5] = 0;
- }
-
- /* The box is the word that our row is in. */
- box = BOX(row);
- /* Shift all words to the right of our box right one bit. */
- for (i = eba->bit_count >> 5; i > box; i--) {
- eba->data[i] = (eba->data[i] >> 1) | (eba->data[i - 1] << 31);
- }
-
- /* Shift right half of box one bit to the right. */
- eba->data[box] = (eba->data[box] & BITMASK_LEFT(row)) | ((eba->data[box] & BITMASK_RIGHT(row)) >> 1);
- eba->bit_count ++;
- }
-}
-
-static void
-e_bit_array_delete_real(EBitArray *eba, int row, gboolean move_selection_mode)
-{
- int box;
- int i;
- int last;
- int selected = FALSE;
- if(eba->bit_count >= 0) {
- guint32 bitmask;
- box = row >> 5;
- last = eba->bit_count >> 5;
-
- /* Build bitmasks for the left and right half of the box */
- bitmask = BITMASK_RIGHT(row) >> 1;
- if (move_selection_mode)
- selected = e_bit_array_value_at(eba, row);
- /* Shift right half of box one bit to the left. */
- eba->data[box] = (eba->data[box] & BITMASK_LEFT(row))| ((eba->data[box] & bitmask) << 1);
-
- /* Shift all words to the right of our box left one bit. */
- if (box < last) {
- eba->data[box] &= eba->data[box + 1] >> 31;
-
- for (i = box + 1; i < last; i++) {
- eba->data[i] = (eba->data[i] << 1) | (eba->data[i + 1] >> 31);
- }
- /* this over-runs our memory! */
- /*eba->data[i] = eba->data[i] << 1; */
- }
- eba->bit_count --;
- /* Remove the last word if not needed. */
- if ((eba->bit_count & 0x1f) == 0) {
- eba->data = g_renew(gint, eba->data, eba->bit_count >> 5);
- }
- if (move_selection_mode && selected) {
- e_bit_array_select_single_row (eba, row > 0 ? row - 1 : 0);
- }
- }
-}
-
-/* FIXME : Improve efficiency here. */
-void
-e_bit_array_delete(EBitArray *eba, int row, int count)
-{
- int i;
- for (i = 0; i < count; i++)
- e_bit_array_delete_real(eba, row, FALSE);
-}
-
-/* FIXME : Improve efficiency here. */
-void
-e_bit_array_delete_single_mode(EBitArray *eba, int row, int count)
-{
- int i;
- for (i = 0; i < count; i++)
- e_bit_array_delete_real(eba, row, TRUE);
-}
-
-/* FIXME : Improve efficiency here. */
-void
-e_bit_array_insert(EBitArray *eba, int row, int count)
-{
- int i;
- for (i = 0; i < count; i++)
- e_bit_array_insert_real(eba, row);
-}
-
-/* FIXME: Implement this more efficiently. */
-void
-e_bit_array_move_row(EBitArray *eba, int old_row, int new_row)
-{
- e_bit_array_delete_real(eba, old_row, FALSE);
- e_bit_array_insert_real(eba, new_row);
-}
-
-static void
-eba_destroy (GtkObject *object)
-{
- EBitArray *eba;
-
- eba = E_BIT_ARRAY (object);
-
- g_free(eba->data);
-
- if (GTK_OBJECT_CLASS (parent_class)->destroy)
- (* GTK_OBJECT_CLASS (parent_class)->destroy) (object);
-}
-
-/**
- * e_selection_model_is_row_selected
- * @selection: #EBitArray to check
- * @n: The row to check
- *
- * This routine calculates whether the given row is selected.
- *
- * Returns: %TRUE if the given row is selected
- */
-gboolean
-e_bit_array_value_at (EBitArray *eba,
- gint n)
-{
- if (eba->bit_count < n || eba->bit_count == 0)
- return 0;
- else
- return (eba->data[BOX(n)] >> OFFSET(n)) & 0x1;
-}
-
-/**
- * e_selection_model_foreach
- * @selection: #EBitArray to traverse
- * @callback: The callback function to call back.
- * @closure: The closure
- *
- * This routine calls the given callback function once for each
- * selected row, passing closure as the closure.
- */
-void
-e_bit_array_foreach (EBitArray *eba,
- EForeachFunc callback,
- gpointer closure)
-{
- int i;
- int last = (eba->bit_count + 31) / 32;
- for (i = 0; i < last; i++) {
- if (eba->data[i]) {
- int j;
- guint32 value = eba->data[i];
- for (j = 0; j < 32; j++) {
- if (value & 0x80000000) {
- callback(i * 32 + j, closure);
- }
- value <<= 1;
- }
- }
- }
-}
-
-/**
- * e_selection_model_clear
- * @selection: #EBitArray to clear
- *
- * This routine clears the selection to no rows selected.
- */
-void
-e_bit_array_clear(EBitArray *eba)
-{
- g_free(eba->data);
- eba->data = NULL;
- eba->bit_count = 0;
-}
-
-#define PART(x,n) (((x) & (0x01010101 << n)) >> n)
-#define SECTION(x, n) (((x) >> (n * 8)) & 0xff)
-
-/**
- * e_selection_model_selected_count
- * @selection: #EBitArray to count
- *
- * This routine calculates the number of rows selected.
- *
- * Returns: The number of rows selected in the given model.
- */
-gint
-e_bit_array_selected_count (EBitArray *eba)
-{
- gint count;
- int i;
- int last;
-
- if (!eba->data)
- return 0;
-
- count = 0;
-
- last = BOX(eba->bit_count - 1);
-
- for (i = 0; i <= last; i++) {
- int j;
- guint32 thiscount = 0;
- for (j = 0; j < 8; j++)
- thiscount += PART(eba->data[i], j);
- for (j = 0; j < 4; j++)
- count += SECTION(thiscount, j);
- }
-
- return count;
-}
-
-/**
- * e_selection_model_select_all
- * @selection: #EBitArray to select all
- *
- * This routine selects all the rows in the given
- * #EBitArray.
- */
-void
-e_bit_array_select_all (EBitArray *eba)
-{
- int i;
-
- if (!eba->data)
- eba->data = g_new0 (gint, (eba->bit_count + 31) / 32);
-
- for (i = 0; i < (eba->bit_count + 31) / 32; i ++) {
- eba->data[i] = ONES;
- }
-
- /* need to zero out the bits corresponding to the rows not
- selected in the last full 32 bit mask */
- if (eba->bit_count % 32) {
- int unselected_mask = 0;
- int num_unselected_in_last_byte = 32 - eba->bit_count % 32;
-
- for (i = 0; i < num_unselected_in_last_byte; i ++)
- unselected_mask |= 1 << i;
-
- eba->data[(eba->bit_count + 31) / 32 - 1] &= ~unselected_mask;
- }
-}
-
-/**
- * e_selection_model_invert_selection
- * @selection: #EBitArray to invert
- *
- * This routine inverts all the rows in the given
- * #EBitArray.
- */
-void
-e_bit_array_invert_selection (EBitArray *eba)
-{
- int i;
-
- if (!eba->data)
- eba->data = g_new0 (gint, (eba->bit_count + 31) / 32);
-
- for (i = 0; i < (eba->bit_count + 31) / 32; i ++) {
- eba->data[i] = ~eba->data[i];
- }
-}
-
-int
-e_bit_array_bit_count (EBitArray *eba)
-{
- return eba->bit_count;
-}
-
-gboolean
-e_bit_array_cross_and (EBitArray *eba)
-{
- int i;
- for (i = 0; i < eba->bit_count / 32; i++) {
- if (eba->data[i] != ONES)
- return FALSE;
- }
- if ((eba->bit_count % 32) && ((eba->data[i] & BITMASK_LEFT(eba->bit_count)) != BITMASK_LEFT(eba->bit_count)))
- return FALSE;
- return TRUE;
-}
-
-gboolean
-e_bit_array_cross_or (EBitArray *eba)
-{
- int i;
- for (i = 0; i < eba->bit_count / 32; i++) {
- if (eba->data[i] != 0)
- return TRUE;
- }
- if ((eba->bit_count % 32) && ((eba->data[i] & BITMASK_LEFT(eba->bit_count)) != 0))
- return TRUE;
- return FALSE;
-}
-
-#define OPERATE(object, i,mask,grow) ((grow) ? (((object)->data[(i)]) |= ((guint32) ~(mask))) : (((object)->data[(i)]) &= (mask)))
-
-void
-e_bit_array_change_one_row(EBitArray *eba, int row, gboolean grow)
-{
- int i;
- i = BOX(row);
-
- OPERATE(eba, i, ~BITMASK(row), grow);
-}
-
-void
-e_bit_array_change_range(EBitArray *eba, int start, int end, gboolean grow)
-{
- int i, last;
- if (start != end) {
- i = BOX(start);
- last = BOX(end);
-
- if (i == last) {
- OPERATE(eba, i, BITMASK_LEFT(start) | BITMASK_RIGHT(end), grow);
- } else {
- OPERATE(eba, i, BITMASK_LEFT(start), grow);
- if (grow)
- for (i ++; i < last; i++)
- eba->data[i] = ONES;
- else
- for (i ++; i < last; i++)
- eba->data[i] = 0;
- OPERATE(eba, i, BITMASK_RIGHT(end), grow);
- }
- }
-}
-
-void
-e_bit_array_select_single_row (EBitArray *eba, int row)
-{
- int i;
- for (i = 0; i < ((eba->bit_count + 31) / 32); i++) {
- if (!((i == BOX(row) && eba->data[i] == BITMASK(row)) ||
- (i != BOX(row) && eba->data[i] == 0))) {
- g_free(eba->data);
- eba->data = g_new0(gint, (eba->bit_count + 31) / 32);
- eba->data[BOX(row)] = BITMASK(row);
-
- break;
- }
- }
-}
-
-void
-e_bit_array_toggle_single_row (EBitArray *eba, int row)
-{
- if (eba->data[BOX(row)] & BITMASK(row))
- eba->data[BOX(row)] &= ~BITMASK(row);
- else
- eba->data[BOX(row)] |= BITMASK(row);
-}
-
-
-static void
-e_bit_array_init (EBitArray *eba)
-{
- eba->data = NULL;
- eba->bit_count = 0;
-}
-
-static void
-e_bit_array_class_init (EBitArrayClass *klass)
-{
- GtkObjectClass *object_class;
-
- parent_class = gtk_type_class (PARENT_TYPE);
-
- object_class = GTK_OBJECT_CLASS(klass);
-
- object_class->destroy = eba_destroy;
-}
-
-E_MAKE_TYPE(e_bit_array, "EBitArray", EBitArray,
- e_bit_array_class_init, e_bit_array_init, PARENT_TYPE);
-
-EBitArray *
-e_bit_array_new (int count)
-{
- EBitArray *eba = gtk_type_new (e_bit_array_get_type ());
- eba->bit_count = count;
- eba->data = g_new0(gint, (eba->bit_count + 31) / 32);
- return eba;
-}
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