aboutsummaryrefslogtreecommitdiffstats
path: root/widgets/e-table/e-table-selection-model.c
diff options
context:
space:
mode:
Diffstat (limited to 'widgets/e-table/e-table-selection-model.c')
-rw-r--r--widgets/e-table/e-table-selection-model.c402
1 files changed, 0 insertions, 402 deletions
diff --git a/widgets/e-table/e-table-selection-model.c b/widgets/e-table/e-table-selection-model.c
deleted file mode 100644
index 6dbba501a1..0000000000
--- a/widgets/e-table/e-table-selection-model.c
+++ /dev/null
@@ -1,402 +0,0 @@
-/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
-/*
- * e-table-selection-model.c: a Table Selection Model
- *
- * Author:
- * Miguel de Icaza (miguel@gnu.org)
- *
- * (C) 1999 Helix Code, Inc.
- */
-#include <config.h>
-#include <gtk/gtksignal.h>
-#include "e-table-selection-model.h"
-#include "e-util/e-util.h"
-
-#define ETSM_CLASS(e) ((ETableSelectionModelClass *)((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) 0x1) << OFFSET(n))
-#define BITMASK_LEFT(n) (((guint32) ONES) << (32 - ((n) % 32)))
-#define BITMASK_RIGHT(n) (((guint32) ONES) >> ((n) % 32))
-
-static GtkObjectClass *e_table_selection_model_parent_class;
-
-enum {
- CURSOR_CHANGED,
- SELECTION_CHANGED,
- LAST_SIGNAL
-};
-
-static guint e_table_selection_model_signals [LAST_SIGNAL] = { 0, };
-
-enum {
- ARG_0,
- ARG_MODEL,
- ARG_CURSOR_ROW,
- ARG_CURSOR_COL,
-};
-
-static void
-model_changed(ETableModel *etm, ETableSelectionModel *etsm)
-{
- e_table_selection_model_clear(etsm);
-}
-
-#if 0
-static void
-model_row_inserted(ETableModel *etm, int row, ETableSelectionModel *etsm)
-{
- int box;
- int i;
- if(etsm->row_count >= 0) {
- /* Add another word if needed. */
- if ((etsm->row_count & 0x1f) == 0) {
- etsm->selection = g_renew(etsm->selection, gint, (etsm->row_count >> 5) + 1);
- etsm->selection[etsm->row_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 = etsm->row_count >> 5; i > box; i--) {
- etsm->selection[i] = (etsm->selection[i] >> 1) | (etsm->selection[i - 1] << 31);
- }
-
- /* Shift right half of box one bit to the right. */
- etsm->selection[box] = (etsm->selection[box] & BITMASK_LEFT(row)) | ((etsm->selection[box] & BITMASK_RIGHT(row)) >> 1);
- etsm->row_count ++;
- }
-}
-
-static void
-model_row_deleted(ETableModel *etm, int row, ETableSelectionModel *etsm)
-{
- int box;
- int i;
- int last;
- if(etsm->row_count >= 0) {
- guint32 bitmask;
- box = row >> 5;
- last = etsm->row_count >> 5;
-
- /* Build bitmasks for the left and right half of the box */
- bitmask = BITMASK_RIGHT(row) >> 1;
- /* Shift right half of box one bit to the left. */
- etsm->selection[box] = (etsm->selection[box] & BITMASK_LEFT(row))| ((etsm->selection[box] & bitmask) << 1);
-
- /* Shift all words to the right of our box left one bit. */
- if (box < last) {
- etsm->selection[box] &= etsm->selection[box + 1] >> 31;
-
- for (i = box + 1; i < last; i++) {
- etsm->selection[i] = (etsm->selection[i] << 1) | (etsm->selection[i + 1] >> 31);
- }
- etsm->selection[i] = etsm->selection[i] << 1;
- }
- etsm->row_count --;
- /* Remove the last word if not needed. */
- if ((etsm->row_count & 0x1f) == 0) {
- etsm->selection = g_renew(etsm->selection, gint, etsm->row_count >> 5);
- }
- }
-}
-
-#else
-
-static void
-model_row_inserted(ETableModel *etm, int row, ETableSelectionModel *etsm)
-{
- model_changed(etm, etsm);
-}
-
-static void
-model_row_deleted(ETableModel *etm, int row, ETableSelectionModel *etsm)
-{
- model_changed(etm, etsm);
-}
-#endif
-
-inline static void
-add_model(ETableSelectionModel *etsm, ETableModel *model)
-{
- etsm->model = model;
- if (model) {
- gtk_object_ref(GTK_OBJECT(model));
- etsm->model_changed_id = gtk_signal_connect(GTK_OBJECT(model), "model_changed",
- GTK_SIGNAL_FUNC(model_changed), etsm);
- etsm->model_row_inserted_id = gtk_signal_connect(GTK_OBJECT(model), "model_row_inserted",
- GTK_SIGNAL_FUNC(model_row_inserted), etsm);
- etsm->model_row_deleted_id = gtk_signal_connect(GTK_OBJECT(model), "model_row_deleted",
- GTK_SIGNAL_FUNC(model_row_deleted), etsm);
- }
-}
-
-inline static void
-drop_model(ETableSelectionModel *etsm)
-{
- if (etsm->model) {
- gtk_signal_disconnect(GTK_OBJECT(etsm->model),
- etsm->model_changed_id);
- gtk_signal_disconnect(GTK_OBJECT(etsm->model),
- etsm->model_row_inserted_id);
- gtk_signal_disconnect(GTK_OBJECT(etsm->model),
- etsm->model_row_deleted_id);
- gtk_object_unref(GTK_OBJECT(etsm->model));
- }
- etsm->model = NULL;
-}
-
-static void
-etsm_destroy (GtkObject *object)
-{
- ETableSelectionModel *etsm;
-
- etsm = E_TABLE_SELECTION_MODEL (object);
-
- drop_model(etsm);
-
- g_free(etsm->selection);
-}
-
-static void
-etsm_get_arg (GtkObject *o, GtkArg *arg, guint arg_id)
-{
- ETableSelectionModel *etsm = E_TABLE_SELECTION_MODEL (o);
-
- switch (arg_id){
- case ARG_MODEL:
- GTK_VALUE_OBJECT (*arg) = GTK_OBJECT(etsm->model);
- break;
-
- case ARG_CURSOR_ROW:
- GTK_VALUE_INT(*arg) = etsm->cursor_row;
- break;
-
- case ARG_CURSOR_COL:
- GTK_VALUE_INT(*arg) = etsm->cursor_col;
- break;
- }
-}
-
-static void
-etsm_set_arg (GtkObject *o, GtkArg *arg, guint arg_id)
-{
- ETableSelectionModel *etsm = E_TABLE_SELECTION_MODEL (o);
-
- switch (arg_id){
- case ARG_MODEL:
- drop_model(etsm);
- add_model(etsm, GTK_VALUE_OBJECT (*arg) ? E_TABLE_MODEL(GTK_VALUE_OBJECT (*arg)) : NULL);
- break;
-
- case ARG_CURSOR_ROW:
- e_table_selection_model_do_something(etsm, GTK_VALUE_INT(*arg), etsm->cursor_col, FALSE, FALSE);
- break;
-
- case ARG_CURSOR_COL:
- e_table_selection_model_do_something(etsm, etsm->cursor_row, GTK_VALUE_INT(*arg), FALSE, FALSE);
- break;
- }
-}
-
-static void
-e_table_selection_model_init (ETableSelectionModel *selection)
-{
- selection->selection = NULL;
- selection->row_count = -1;
- selection->model = NULL;
-}
-
-static void
-e_table_selection_model_class_init (ETableSelectionModelClass *klass)
-{
- GtkObjectClass *object_class;
-
- e_table_selection_model_parent_class = gtk_type_class (gtk_object_get_type ());
-
- object_class = GTK_OBJECT_CLASS(klass);
-
- object_class->destroy = etsm_destroy;
- object_class->get_arg = etsm_get_arg;
- object_class->set_arg = etsm_set_arg;
-
- e_table_selection_model_signals [CURSOR_CHANGED] =
- gtk_signal_new ("cursor_changed",
- GTK_RUN_LAST,
- object_class->type,
- GTK_SIGNAL_OFFSET (ETableSelectionModelClass, cursor_changed),
- gtk_marshal_NONE__INT_INT,
- GTK_TYPE_NONE, 2, GTK_TYPE_INT, GTK_TYPE_INT);
-
- e_table_selection_model_signals [SELECTION_CHANGED] =
- gtk_signal_new ("selection_changed",
- GTK_RUN_LAST,
- object_class->type,
- GTK_SIGNAL_OFFSET (ETableSelectionModelClass, selection_changed),
- gtk_marshal_NONE__NONE,
- GTK_TYPE_NONE, 0);
-
- klass->cursor_changed = NULL;
- klass->selection_changed = NULL;
-
- gtk_object_class_add_signals (object_class, e_table_selection_model_signals, LAST_SIGNAL);
-
- gtk_object_add_arg_type ("ETableSelectionModel::model", GTK_TYPE_OBJECT,
- GTK_ARG_READWRITE, ARG_MODEL);
- gtk_object_add_arg_type ("ETableSelectionModel::cursor_row", GTK_TYPE_INT,
- GTK_ARG_READWRITE, ARG_CURSOR_ROW);
- gtk_object_add_arg_type ("ETableSelectionModel::cursor_col", GTK_TYPE_INT,
- GTK_ARG_READWRITE, ARG_CURSOR_COL);
-}
-
-E_MAKE_TYPE(e_table_selection_model, "ETableSelectionModel", ETableSelectionModel,
- e_table_selection_model_class_init, e_table_selection_model_init, PARENT_TYPE);
-
-ETableSelectionModel *
-e_table_selection_model_new (void)
-{
- return gtk_type_new (e_table_selection_model_get_type ());
-}
-
-gboolean
-e_table_selection_model_is_row_selected (ETableSelectionModel *selection,
- gint n)
-{
- if (selection->row_count < n)
- return 0;
- else
- return (selection->selection[BOX(n)] >> OFFSET(n)) & 0x1;
-}
-
-void
-e_table_selection_model_foreach (ETableSelectionModel *selection,
- ETableForeachFunc callback,
- gpointer closure)
-{
- int i;
- int last = (selection->row_count + 31) / 32;
- for (i = 0; i < last; i++) {
- if (selection->selection[i]) {
- int j;
- guint32 value = selection->selection[i];
- for (j = 0; j < 32; j++) {
- if (value & 0x80000000) {
- callback(i * 32 + j, closure);
- }
- value <<= 1;
- }
- }
- }
-}
-
-#define OPERATE(object, mask, grow) ((grow) ? ((object) |= ~(mask)) : ((object) &= (mask)))
-
-static void
-change_selection(ETableSelectionModel *selection, int start, int end, gboolean grow)
-{
- int i, last;
- if (start != end) {
- i = BOX(start);
- last = BOX(end);
-
- if (i == last) {
- OPERATE(selection->selection[i], BITMASK_LEFT(start) | BITMASK_RIGHT(end), grow);
- } else {
- OPERATE(selection->selection[i], BITMASK_LEFT(start), grow);
- if (grow)
- for (i ++; i < last; i++)
- selection->selection[i] = ONES;
- for (i ++; i < last; i++)
- selection->selection[i] = 0;
- OPERATE(selection->selection[i], BITMASK_RIGHT(end), grow);
- }
- }
-}
-
-void e_table_selection_model_do_something (ETableSelectionModel *selection,
- guint row,
- guint col,
- gboolean shift_p,
- gboolean ctrl_p)
-{
- if (selection->row_count < 0) {
- if (selection->model) {
- selection->row_count = e_table_model_row_count(selection->model);
- g_free(selection->selection);
- selection->selection = g_new0(gint, (selection->row_count + 31) / 32);
- }
- }
- if (selection->row_count >= 0 && row < selection->row_count) {
- if (shift_p) {
- int old_start;
- int old_end;
- int new_start;
- int new_end;
- old_start = MIN (selection->selection_start_row, selection->cursor_row);
- old_end = MAX (selection->selection_start_row, selection->cursor_row) + 1;
- new_start = MIN (selection->selection_start_row, row);
- new_end = MAX (selection->selection_start_row, row) + 1;
- /* This wouldn't work nearly so smoothly if one end of the selection held in place. */
- if (old_start < new_start)
- change_selection(selection, old_start, new_start, FALSE);
- if (new_start < old_start)
- change_selection(selection, new_start, old_start, TRUE);
- if (old_end < new_end)
- change_selection(selection, old_end, new_end, TRUE);
- if (new_end < old_end)
- change_selection(selection, new_end, old_end, FALSE);
- gtk_signal_emit(GTK_OBJECT(selection),
- e_table_selection_model_signals [SELECTION_CHANGED]);
- } else {
- if (ctrl_p) {
- if (selection->selection[BOX(row)] & BITMASK(row))
- selection->selection[BOX(row)] &= ~BITMASK(row);
- else
- selection->selection[BOX(row)] |= BITMASK(row);
- gtk_signal_emit(GTK_OBJECT(selection),
- e_table_selection_model_signals [SELECTION_CHANGED]);
- } else {
- int i;
- for (i = 0; i < ((selection->row_count + 31) / 32); i++) {
- if (!((i == BOX(row) && selection->selection[i] == BITMASK(row)) ||
- (i != BOX(row) && selection->selection[i] == 0))) {
- g_free(selection->selection);
- selection->selection = g_new0(gint, (selection->row_count + 31) / 32);
- selection->selection[BOX(row)] = BITMASK(row);
-
- gtk_signal_emit(GTK_OBJECT(selection),
- e_table_selection_model_signals [SELECTION_CHANGED]);
- break;
- }
- }
- }
- selection->selection_start_row = row;
- }
- if (selection->cursor_row != row ||
- selection->cursor_col != col) {
- selection->cursor_row = row;
- selection->cursor_col = col;
- gtk_signal_emit(GTK_OBJECT(selection),
- e_table_selection_model_signals[CURSOR_CHANGED], row, col);
- }
- }
-}
-
-void
-e_table_selection_model_clear(ETableSelectionModel *selection)
-{
- g_free(selection->selection);
- selection->selection = NULL;
- selection->row_count = -1;
- selection->cursor_row = -1;
- selection->cursor_col = -1;
- gtk_signal_emit(GTK_OBJECT(selection),
- e_table_selection_model_signals [CURSOR_CHANGED], -1, -1);
- gtk_signal_emit(GTK_OBJECT(selection),
- e_table_selection_model_signals [SELECTION_CHANGED]);
-}