diff options
Diffstat (limited to 'widgets/table/e-table-selection-model.c')
| -rw-r--r-- | widgets/table/e-table-selection-model.c | 564 |
1 files changed, 0 insertions, 564 deletions
diff --git a/widgets/table/e-table-selection-model.c b/widgets/table/e-table-selection-model.c deleted file mode 100644 index e8f5dcd38f..0000000000 --- a/widgets/table/e-table-selection-model.c +++ /dev/null @@ -1,564 +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 "gal/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)(((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 *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_SORTER, - ARG_CURSOR_ROW, - ARG_CURSOR_COL, -}; - -static void -model_changed(ETableModel *etm, ETableSelectionModel *etsm) -{ - e_table_selection_model_clear(etsm); -} - -#if 1 -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(gint, etsm->selection, (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(gint, etsm->selection, 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; -} - -inline static void -add_sorter(ETableSelectionModel *etsm, ETableSorter *sorter) -{ - etsm->sorter = sorter; - if (sorter) { - gtk_object_ref(GTK_OBJECT(sorter)); - } -} - -inline static void -drop_sorter(ETableSelectionModel *etsm) -{ - if (etsm->sorter) { - gtk_object_unref(GTK_OBJECT(etsm->sorter)); - } - etsm->sorter = NULL; -} - -static void -etsm_destroy (GtkObject *object) -{ - ETableSelectionModel *etsm; - - etsm = E_TABLE_SELECTION_MODEL (object); - - drop_model(etsm); - drop_sorter(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_SORTER: - GTK_VALUE_OBJECT (*arg) = GTK_OBJECT(etsm->sorter); - 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_SORTER: - drop_sorter(etsm); - add_sorter(etsm, GTK_VALUE_OBJECT (*arg) ? E_TABLE_SORTER(GTK_VALUE_OBJECT (*arg)) : NULL); - break; - - case ARG_CURSOR_ROW: - e_table_selection_model_do_something(etsm, GTK_VALUE_INT(*arg), etsm->cursor_col, 0); - break; - - case ARG_CURSOR_COL: - e_table_selection_model_do_something(etsm, etsm->cursor_row, GTK_VALUE_INT(*arg), 0); - break; - } -} - -static void -e_table_selection_model_init (ETableSelectionModel *selection) -{ - selection->selection = NULL; - selection->row_count = -1; - selection->model = NULL; - selection->selection_start_row = 0; - selection->cursor_row = -1; - selection->cursor_col = -1; -} - -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::sorter", GTK_TYPE_OBJECT, - GTK_ARG_READWRITE, ARG_SORTER); - 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, i,mask,grow) ((grow) ? (((object)->selection[(i)]) |= ((guint32) ~(mask))) : (((object)->selection[(i)]) &= (mask))) - -static void -change_one_row(ETableSelectionModel *selection, int row, gboolean grow) -{ - int i; - i = BOX(row); - - OPERATE(selection, i, BITMASK_LEFT(row) | BITMASK_RIGHT(row + 1), grow); -} - -static void -change_selection(ETableSelectionModel *selection, int start, int end, gboolean grow) -{ - int i, last; - if (start != end) { - if (selection->sorter && e_table_sorter_needs_sorting(selection->sorter)) { - for ( i = start; i < end; i++) { - change_one_row(selection, e_table_sorter_sorted_to_model(selection->sorter, i), grow); - } - } else { - i = BOX(start); - last = BOX(end); - - if (i == last) { - OPERATE(selection, i, BITMASK_LEFT(start) | BITMASK_RIGHT(end), grow); - } else { - OPERATE(selection, i, BITMASK_LEFT(start), grow); - if (grow) - for (i ++; i < last; i++) - selection->selection[i] = ONES; - else - for (i ++; i < last; i++) - selection->selection[i] = 0; - OPERATE(selection, i, BITMASK_RIGHT(end), grow); - } - } - } -} - -void e_table_selection_model_do_something (ETableSelectionModel *selection, - guint row, - guint col, - GdkModifierType state) -{ - gint shift_p = state & GDK_SHIFT_MASK; - gint ctrl_p = state & GDK_CONTROL_MASK; - 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; - if (selection->sorter && e_table_sorter_needs_sorting(selection->sorter)) { - old_start = MIN (e_table_sorter_model_to_sorted(selection->sorter, selection->selection_start_row), - e_table_sorter_model_to_sorted(selection->sorter, selection->cursor_row)); - old_end = MAX (e_table_sorter_model_to_sorted(selection->sorter, selection->selection_start_row), - e_table_sorter_model_to_sorted(selection->sorter, selection->cursor_row)) + 1; - new_start = MIN (e_table_sorter_model_to_sorted(selection->sorter, selection->selection_start_row), - e_table_sorter_model_to_sorted(selection->sorter, row)); - new_end = MAX (e_table_sorter_model_to_sorted(selection->sorter, selection->selection_start_row), - e_table_sorter_model_to_sorted(selection->sorter, row)) + 1; - } else { - 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_maybe_do_something (ETableSelectionModel *selection, - guint row, - guint col, - GdkModifierType state) -{ - if (e_table_selection_model_is_row_selected(selection, row)) { - selection->cursor_row = row; - selection->cursor_col = col; - } else { - e_table_selection_model_do_something(selection, row, col, state); - } -} - -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]); -} - -#define PART(x,n) (((x) & (0x01010101 << n)) >> n) -#define SECTION(x, n) (((x) >> (n * 8)) & 0xff) - -gint -e_table_selection_model_selected_count (ETableSelectionModel *selection) -{ - gint count; - int i; - int last; - - if (!selection->selection) - return 0; - - count = 0; - - last = BOX(selection->row_count - 1); - - for (i = 0; i <= last; i++) { - int j; - guint32 thiscount = 0; - for (j = 0; j < 8; j++) - thiscount += PART(selection->selection[i], j); - for (j = 0; j < 4; j++) - count += SECTION(thiscount, j); - } - - return count; -} - -void -e_table_selection_model_select_all (ETableSelectionModel *selection) -{ - int i; - - 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->selection) - selection->selection = g_new0 (gint, (selection->row_count + 31) / 32); - - for (i = 0; i < (selection->row_count + 31) / 32; i ++) { - selection->selection[i] = ONES; - } - - selection->cursor_col = 0; - selection->cursor_row = 0; - selection->selection_start_row = 0; - gtk_signal_emit (GTK_OBJECT (selection), - e_table_selection_model_signals [CURSOR_CHANGED], 0, 0); - gtk_signal_emit (GTK_OBJECT (selection), - e_table_selection_model_signals [SELECTION_CHANGED]); -} - -void -e_table_selection_model_invert_selection (ETableSelectionModel *selection) -{ - int i; - - 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->selection) - selection->selection = g_new0 (gint, (selection->row_count + 31) / 32); - - for (i = 0; i < (selection->row_count + 31) / 32; i ++) { - selection->selection[i] = ~selection->selection[i]; - } - - selection->cursor_col = -1; - selection->cursor_row = -1; - selection->selection_start_row = 0; - 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]); -} |