From 78adc934b0946d1f4f4f6dacb393b4a119d68bec Mon Sep 17 00:00:00 2001 From: Christopher James Lahey Date: Sat, 5 Aug 2000 12:38:24 +0000 Subject: Made selection ranges work even if the table is sorted. 2000-08-05 Christopher James Lahey * Makefile.am, e-table-selection-model.c, e-table-selection-model.h, e-table.c, e-table.h: Made selection ranges work even if the table is sorted. * e-table-sorter.c, e-table-sorter.h: New files to help with making selection ranges work even if sorted. svn path=/trunk/; revision=4546 --- widgets/e-table/e-table-selection-model.c | 98 ++++++++++++++++++++++++------- 1 file changed, 78 insertions(+), 20 deletions(-) (limited to 'widgets/e-table/e-table-selection-model.c') diff --git a/widgets/e-table/e-table-selection-model.c b/widgets/e-table/e-table-selection-model.c index 9bd3cb38ac..a40298c992 100644 --- a/widgets/e-table/e-table-selection-model.c +++ b/widgets/e-table/e-table-selection-model.c @@ -20,9 +20,9 @@ #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)) +#define BITMASK(n) ((guint32)(((guint32) 0x1) << OFFSET(n))) +#define BITMASK_LEFT(n) ((guint32)(((guint32) ONES) << (32 - ((n) % 32)))) +#define BITMASK_RIGHT(n) ((guint32)(((guint32) ONES) >> ((n) % 32))) static GtkObjectClass *e_table_selection_model_parent_class; @@ -37,6 +37,7 @@ static guint e_table_selection_model_signals [LAST_SIGNAL] = { 0, }; enum { ARG_0, ARG_MODEL, + ARG_SORTER, ARG_CURSOR_ROW, ARG_CURSOR_COL, }; @@ -151,6 +152,24 @@ drop_model(ETableSelectionModel *etsm) 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) { @@ -159,6 +178,7 @@ etsm_destroy (GtkObject *object) etsm = E_TABLE_SELECTION_MODEL (object); drop_model(etsm); + drop_sorter(etsm); g_free(etsm->selection); } @@ -173,6 +193,10 @@ etsm_get_arg (GtkObject *o, GtkArg *arg, guint arg_id) 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; @@ -194,6 +218,11 @@ etsm_set_arg (GtkObject *o, GtkArg *arg, guint arg_id) 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; @@ -248,6 +277,8 @@ e_table_selection_model_class_init (ETableSelectionModelClass *klass) 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, @@ -294,26 +325,42 @@ e_table_selection_model_foreach (ETableSelectionModel *selection, } } -#define OPERATE(object, mask, grow) ((grow) ? ((object) |= ~(mask)) : ((object) &= (mask))) +#define OPERATE(object, mask, grow) ((grow) ? ((object) |= (~(mask))) : ((object) &= (mask))) + +static void +change_one_row(ETableSelectionModel *selection, int row, gboolean grow) +{ + int i; + i = BOX(row); + + OPERATE(selection->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) { - i = BOX(start); - last = BOX(end); - - if (i == last) { - OPERATE(selection->selection[i], BITMASK_LEFT(start) | BITMASK_RIGHT(end), grow); + 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 { - 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); + 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; + else + for (i ++; i < last; i++) + selection->selection[i] = 0; + OPERATE(selection->selection[i], BITMASK_RIGHT(end), grow); + } } } } @@ -338,10 +385,21 @@ void e_table_selection_model_do_something (ETableSelectionModel 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; + 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); -- cgit v1.2.3