/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */ /* * e-table-selection-model.c: a Table Selection Model * * Author: * Christopher James Lahey * * (C) 2000, 2001 Ximian, Inc. */ #include #include #include "e-table-selection-model.h" #include "gal/util/e-util.h" #include #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; static void etsm_select_single_row (ETableSelectionModel *selection, int row); enum { CURSOR_CHANGED, CURSOR_ACTIVATED, 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, ARG_SELECTION_MODE, ARG_CURSOR_MODE, }; 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 ++; } if (etsm->cursor_row >= row) etsm->cursor_row ++; } static void model_row_deleted(ETableModel *etm, int row, ETableSelectionModel *etsm) { int box; int i; int last; int selected = FALSE; 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; selected = e_table_selection_model_is_row_selected(etsm, row); /* 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); } /* this over-runs our memory! */ /*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); } if (selected && etsm->mode == GTK_SELECTION_SINGLE) { etsm_select_single_row (etsm, row > 0 ? row - 1 : 0); } } if (etsm->cursor_row >= row && etsm->cursor_row > 0) etsm->cursor_row --; } #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; case ARG_SELECTION_MODE: GTK_VALUE_ENUM(*arg) = etsm->mode; break; case ARG_CURSOR_MODE: GTK_VALUE_ENUM(*arg) = etsm->cursor_mode; 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; case ARG_SELECTION_MODE: etsm->mode = GTK_VALUE_ENUM(*arg); if (etsm->mode == GTK_SELECTION_SINGLE) { e_table_selection_model_do_something(etsm, etsm->cursor_row, etsm->cursor_col, 0); } break; case ARG_CURSOR_MODE: etsm->cursor_mode = GTK_VALUE_ENUM(*arg); 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; selection->mode = GTK_SELECTION_MULTIPLE; selection->cursor_mode = E_TABLE_CURSOR_SIMPLE; } 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 [CURSOR_ACTIVATED] = gtk_signal_new ("cursor_activated", GTK_RUN_LAST, object_class->type, GTK_SIGNAL_OFFSET (ETableSelectionModelClass, cursor_activated), 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->cursor_activated = 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); gtk_object_add_arg_type ("ETableSelectionModel::selection_mode", GTK_TYPE_ENUM, GTK_ARG_READWRITE, ARG_SELECTION_MODE); gtk_object_add_arg_type ("ETableSelectionModel::cursor_mode", GTK_TYPE_ENUM, GTK_ARG_READWRITE, ARG_CURSOR_MODE); } E_MAKE_TYPE(e_table_selection_model, "ETableSelectionModel", ETableSelectionModel, e_table_selection_model_class_init, e_table_selection_model_init, PARENT_TYPE); /** * e_table_selection_model_new * * This routine creates a new #ETableSelectionModel. * * Returns: The new #ETableSelectionModel. */ ETableSelectionModel * e_table_selection_model_new (void) { return gtk_type_new (e_table_selection_model_get_type ()); } /** * e_table_selection_model_is_row_selected * @selection: #ETableSelectionModel 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_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; } /** * e_table_selection_model_foreach * @selection: #ETableSelectionModel 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_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(row), 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); } } } } static void etsm_select_single_row (ETableSelectionModel *selection, int row) { 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; } static void etsm_toggle_single_row (ETableSelectionModel *selection, int row) { if (selection->selection[BOX(row)] & BITMASK(row)) selection->selection[BOX(row)] &= ~BITMASK(row); else selection->selection[BOX(row)] |= BITMASK(row); selection->selection_start_row = row; gtk_signal_emit(GTK_OBJECT(selection), e_table_selection_model_signals [SELECTION_CHANGED]); } static void etsm_move_selection_end (ETableSelectionModel *selection, int row) { 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 weren't 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]); } static void etsm_set_selection_end (ETableSelectionModel *selection, int row) { etsm_select_single_row(selection, selection->selection_start_row); selection->cursor_row = selection->selection_start_row; etsm_move_selection_end(selection, row); } /** * e_table_selection_model_do_something * @selection: #ETableSelectionModel to do something to. * @row: The row to do something in. * @col: The col to do something in. * @state: The state in which to do something. * * This routine does whatever is appropriate as if the user clicked * the mouse in the given row and column. */ 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 (row == -1 && col != -1) row = 0; if (col == -1 && row != -1) col = 0; 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) { switch (selection->mode) { case GTK_SELECTION_SINGLE: etsm_select_single_row (selection, row); break; case GTK_SELECTION_BROWSE: case GTK_SELECTION_MULTIPLE: case GTK_SELECTION_EXTENDED: if (shift_p) { etsm_set_selection_end (selection, row); } else { if (ctrl_p) { etsm_toggle_single_row (selection, row); } else { etsm_select_single_row (selection, row); } } break; } 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); gtk_signal_emit(GTK_OBJECT(selection), e_table_selection_model_signals[CURSOR_ACTIVATED], row, col); } } } /** * e_table_selection_model_maybe_do_something * @selection: #ETableSelectionModel to do something to. * @row: The row to do something in. * @col: The col to do something in. * @state: The state in which to do something. * * If this row is selected, this routine just moves the cursor row and * column. Otherwise, it does the same thing as * e_table_selection_model_do_something(). This is for being used on * right clicks and other events where if the user hit the selection, * they don't want it to change. */ 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); } } static gint move_selection (ETableSelectionModel *selection, gboolean up, GdkModifierType state) { int row = selection->cursor_row; int col = selection->cursor_col; int cursor_activated = TRUE; gint shift_p = state & GDK_SHIFT_MASK; gint ctrl_p = state & GDK_CONTROL_MASK; row = e_table_sorter_model_to_sorted(selection->sorter, row); if (up) row--; else row++; if (row < 0) row = 0; if (row >= selection->row_count) row = selection->row_count - 1; row = e_table_sorter_sorted_to_model(selection->sorter, row); switch (selection->mode) { case GTK_SELECTION_BROWSE: if (shift_p) { etsm_set_selection_end (selection, row); } else if (!ctrl_p) { etsm_select_single_row (selection, row); } else cursor_activated = FALSE; break; case GTK_SELECTION_SINGLE: case GTK_SELECTION_MULTIPLE: case GTK_SELECTION_EXTENDED: etsm_select_single_row (selection, row); break; } if (row != -1) { selection->cursor_row = row; gtk_signal_emit(GTK_OBJECT(selection), e_table_selection_model_signals[CURSOR_CHANGED], row, col); if (cursor_activated) gtk_signal_emit(GTK_OBJECT(selection), e_table_selection_model_signals[CURSOR_ACTIVATED], row, col); } return TRUE; } /** * e_table_selection_model_key_press * @selection: #ETableSelectionModel to affect. * @key: The event. * * This routine does whatever is appropriate as if the user pressed * the given key. * * Returns: %TRUE if the #ETableSelectionModel used the key. */ gint e_table_selection_model_key_press (ETableSelectionModel *selection, GdkEventKey *key) { switch (key->keyval) { case GDK_Up: return move_selection(selection, TRUE, key->state); break; case GDK_Down: return move_selection(selection, FALSE, key->state); break; case GDK_space: case GDK_KP_Space: if (selection->mode != GTK_SELECTION_SINGLE) { etsm_toggle_single_row (selection, selection->cursor_row); gtk_signal_emit(GTK_OBJECT(selection), e_table_selection_model_signals[CURSOR_ACTIVATED], selection->cursor_row, selection->cursor_col); return TRUE; } break; case GDK_Return: case GDK_KP_Enter: if (selection->mode != GTK_SELECTION_SINGLE) { etsm_select_single_row (selection, selection->cursor_row); gtk_signal_emit(GTK_OBJECT(selection), e_table_selection_model_signals[CURSOR_ACTIVATED], selection->cursor_row, selection->cursor_col); return TRUE; } break; case GDK_Home: case GDK_KP_Home: if (selection->cursor_mode == E_TABLE_CURSOR_LINE) { int row = 0; row = e_table_sorter_sorted_to_model(selection->sorter, row); selection->cursor_row = row; etsm_select_single_row (selection, selection->cursor_row); gtk_signal_emit(GTK_OBJECT(selection), e_table_selection_model_signals[CURSOR_CHANGED], selection->cursor_row, selection->cursor_col); gtk_signal_emit(GTK_OBJECT(selection), e_table_selection_model_signals[CURSOR_ACTIVATED], selection->cursor_row, selection->cursor_col); return TRUE; } break; case GDK_End: case GDK_KP_End: if (selection->cursor_mode == E_TABLE_CURSOR_LINE) { int row = selection->row_count - 1; row = e_table_sorter_sorted_to_model(selection->sorter, row); selection->cursor_row = row; etsm_select_single_row (selection, selection->cursor_row); gtk_signal_emit(GTK_OBJECT(selection), e_table_selection_model_signals[CURSOR_CHANGED], selection->cursor_row, selection->cursor_col); gtk_signal_emit(GTK_OBJECT(selection), e_table_selection_model_signals[CURSOR_ACTIVATED], selection->cursor_row, selection->cursor_col); return TRUE; } break; } return FALSE; } /** * e_table_selection_model_clear * @selection: #ETableSelectionModel to clear * * This routine clears the selection to no rows selected. */ 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) /** * e_table_selection_model_selected_count * @selection: #ETableSelectionModel to count * * This routine calculates the number of rows selected. * * Returns: The number of rows selected in the given model. */ 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; } /** * e_table_selection_model_select_all * @selection: #ETableSelectionModel to select all * * This routine selects all the rows in the given * #ETableSelectionModel. */ 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; } /* need to zero out the bits corresponding to the rows not selected in the last full 32 bit mask */ if (selection->row_count % 32) { int unselected_mask = 0; int num_unselected_in_last_byte = 32 - selection->row_count % 32; for (i = 0; i < num_unselected_in_last_byte; i ++) unselected_mask |= 1 << i; selection->selection[(selection->row_count + 31) / 32 - 1] &= ~unselected_mask; } 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]); } /** * e_table_selection_model_invert_selection * @selection: #ETableSelectionModel to invert * * This routine inverts all the rows in the given * #ETableSelectionModel. */ 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]); }