diff options
Diffstat (limited to 'widgets/e-table/e-table-column.c')
| -rw-r--r-- | widgets/e-table/e-table-column.c | 293 |
1 files changed, 293 insertions, 0 deletions
diff --git a/widgets/e-table/e-table-column.c b/widgets/e-table/e-table-column.c new file mode 100644 index 0000000000..851ebc4532 --- /dev/null +++ b/widgets/e-table/e-table-column.c @@ -0,0 +1,293 @@ +/* + * e-table-column.c: TableColumn implementation + * + * Author: + * Miguel de Icaza (miguel@gnu.org) + * + * (C) 1999 International GNOME Support + */ +#include <config.h> +#include "e-table-column.h" + +enum { + STRUCTURE_CHANGE, + DIMENSION_CHANGE, + LAST_SIGNAL +}; + +static guint etc_signals [LAST_SIGNAL] = { 0, }; + +static GtkObjectClass *e_table_column_parent_class; + +static void +e_table_column_destroy (GtkObject *object) +{ + ETableColumn *etc = E_TABLE_COLUMN (object); + const int cols = etc->col_count; + + /* + * Destroy listeners + */ + for (l = etc->listeners; l; l = l->next) + g_free (l->data); + g_slist_free (etc->listeners); + etc->listeners = NULL; + + /* + * Destroy columns + */ + for (i = 0; i < cols; i++) + e_table_column_remove (etc, i); + + if (e_table_column_parent_class->destroy) + e_table_column_parent_class->destroy (object); +} + +static void +e_table_column_class_init (GtkObjectClass *object_class) +{ + object_class->destroy = e_table_column_destroy; + + e_table_column_parent_class = (gtk_type_class (gtk_object_get_type ())); + + etc_signals [STRUCTURE_CHANGE] = + gtk_signal_new ("structure_change", + GTK_RUN_LAST, + object_class->type, + GTK_SIGNAL_OFFSET (ETableColumn, structure_change), + gtk_marshal_NONE__NONE, + GTK_TYPE_NONE, 0); + etc_signals [DIMENSION_CHANGE] = + gtk_signal_new ("dimension_change", + GTK_RUN_LAST, + object_class->type, + GTK_SIGNAL_OFFSET (ETableColumn, dimension_change), + gtk_marshal_NONE__INT, + GTK_TYPE_NONE, 1, GTK_TYPE_INT); + + gtk_object_class_add_signals (object_class, etc_signals, LAST_SIGNAL); +} + +GtkType +e_table_column_get_type (void) +{ + static GtkType type = 0; + + if (!type){ + GtkTypeInfo info = { + "ETableColumn", + sizeof (ETableColumn), + sizeof (ETableColumnClass), + (GtkClassInitFunc) e_table_column_class_init, + (GtkObjectInitFunc) NULL, + NULL, /* reserved 1 */ + NULL, /* reserved 2 */ + (GtkClassInitFunc) NULL + }; + + type = gtk_type_unique (gtk_object_get_type (), &info); + } + + return type; +} + +static void +etc_do_insert (ETableColumn *etc, int pos, ETableCol *val) +{ + memcpy (&etc->columns [pos+1], &etc->columns [pos], + sizeof (ETableCol *) * (etc->col_count - pos)); + etc->columns [pos] = val; +} + +void +e_table_column_add_column (ETableColumn *etc, ETableCol *tc, int pos) +{ + ETableCol **new_ptr; + + g_return_if_fail (etc != NULL); + g_return_if_fail (E_IS_TABLE_COLUMN (etc)); + g_return_if_fail (tc != NULL); + g_return_if_fail (pos >= 0 && pos < etc->col_count); + + if (pos == -1) + pos = etc->col_count; + etc->columns = g_realloc (etc->columns, sizeof (ETableCol *) * (etc->col_count + 1)); + etc_do_insert (etc, pos, tc); + etc->col_count++; + + gtk_signal_emit (GTK_OBJECT (etc), etc_signals [STRUCTURE_CHANGE]); +} + +ETableCol * +e_table_column_get_column (ETableColumn *etc, int column) +{ + g_return_val_if_fail (etc != NULL, NULL); + g_return_val_if_fail (E_IS_TABLE_COLUMN (etc), NULL); + + if (column < 0) + return NULL; + + if (column >= etc->col_count) + return NULL; + + return etc->columns [column]; +} + +int +e_table_column_count (ETableColumn *etc) +{ + g_return_val_if_fail (etc != NULL, 0); + g_return_val_if_fail (E_IS_TABLE_COLUMN (etc), 0); + + return etc->col_count; +} + +int +e_table_column_index (ETableColumn *etc, const char *identifier) +{ + int i; + + g_return_val_if_fail (etc != NULL, 0); + g_return_val_if_fail (E_IS_TABLE_COLUMN (etc), 0); + g_return_val_if_fail (identifier != NULL, 0); + + for (i = 0; i < etc->col_count; i++){ + ETableCol *tc = etc->columns [i]; + + if (strcmp (i->id, identifier) == 0) + return i; + } + + return -1; +} + +int +e_table_column_get_index_at (ETableColumn *etc, int x_offset) +{ + int i, total; + + g_return_val_if_fail (etc != NULL, 0); + g_return_val_if_fail (E_IS_TABLE_COLUMN (etc), 0); + g_return_val_if_fail (identifier != NULL, 0); + + total = 0; + for (i = 0; i < etc->col_count; i++){ + total += etc->columns [i]->width; + + if (x_offset < total) + return i; + } + + return -1; +} + +ETableCol ** +e_table_column_get_columns (ETableColumn *etc) +{ + ETableCol **ret; + int i; + + g_return_val_if_fail (etc != NULL, 0); + g_return_val_if_fail (E_IS_TABLE_COLUMN (etc), 0); + + ret = g_new (ETableCol *, etc->col_count + 1); + memcpy (ret, etc->columns, sizeof (ETableCol *) * etc->col_count); + ret [etc->col_count] = NULL; + + return ret; +} + +gboolean +e_table_column_selection_ok (ETableColumn *etc) +{ + g_return_val_if_fail (etc != NULL, FALSE); + g_return_val_if_fail (E_IS_TABLE_COLUMN (etc), FALSE); + + return etc->selectable; +} + +int +ve_table_column_get_selected (ETableColumn *etc) +{ + int i; + int selected = 0; + + g_return_val_if_fail (etc != NULL, 0); + g_return_val_if_fail (E_IS_TABLE_COLUMN (etc), 0); + + for (i = 0; i < etc->col_count; i++){ + if (etc->columns [i]->selected) + selected++; + } + + return selected; +} + +int +e_table_column_total_width (ETableColumn *etc) +{ + int total; + + g_return_val_if_fail (etc != NULL, 0); + g_return_val_if_fail (E_IS_TABLE_COLUMN (etc), 0); + + total = 0; + for (i = 0; i < etc->col_count; i++) + total += etc->columns [i].width; + + return total; +} + +static void +etc_do_remove (ETableColumn *etc, int idx) +{ + memcpy (&etc->columns [idx], &etc->columns [idx+1], + sizeof (ETableCol *) * etc->col_count - idx); + etc->col_count--; +} + +void +e_table_column_move (ETableColumn *etc, int source_index, int target_index) +{ + g_return_if_fail (etc != NULL); + g_return_if_fail (E_IS_TABLE_COLUMN (etc)); + g_return_if_fail (source_index >= 0); + g_return_if_fail (target_index >= 0); + g_return_if_fail (source_index < etc->col_count); + g_return_if_fail (target_index < etc->col_count); + + old = etc->columns [source_index]; + etc_do_remove (etc, source_index); + etc_do_insert (etc, target_index, old); + gtk_signal_emit (GTK_OBJECT (etc), etc_signals [STRUCTURE_CHANGE]); +} + +void +e_table_column_remove (ETableColumn *etc, int idx) +{ + g_return_if_fail (etc != NULL); + g_return_if_fail (E_IS_TABLE_COLUMN (etc)); + g_return_if_fail (idx >= 0); + g_return_if_fail (idx < etc->col_count); + + etc_do_remove (etc, idx); + gtk_signal_emit (GTK_OBJECT (etc), etc_signals [STRUCTURE_CHANGE]); +} + +void +e_table_column_set_selection (ETableColumn *etc, gboolean allow_selection); +{ +} + +void +e_table_column_set_size (ETableColumn *etc, int idx, int size) +{ + g_return_if_fail (etc != NULL); + g_return_if_fail (E_IS_TABLE_COLUMN (etc)); + g_return_if_fail (idx >= 0); + g_return_if_fail (idx < etc->col_count); + g_return_if_fail (size > 0); + + etc->columns [idx]->width = size; + gtk_signal_emit (GTK_OBJECT (etc), etc_signals [SIZE_CHANGE], idx); +} |