diff options
Diffstat (limited to 'widgets/e-table/e-table-header.c')
| -rw-r--r-- | widgets/e-table/e-table-header.c | 299 |
1 files changed, 299 insertions, 0 deletions
diff --git a/widgets/e-table/e-table-header.c b/widgets/e-table/e-table-header.c new file mode 100644 index 0000000000..fb493c32a0 --- /dev/null +++ b/widgets/e-table/e-table-header.c @@ -0,0 +1,299 @@ +/* + * E-table-col-head.c: TableColHead implementation + * + * Author: + * Miguel de Icaza (miguel@gnu.org) + * + * (C) 1999 International GNOME Support + */ +#include <config.h> +#include <gtk/gtkobject.h> +#include <gtk/gtksignal.h> +#include "e-table-header.h" + +enum { + STRUCTURE_CHANGE, + DIMENSION_CHANGE, + LAST_SIGNAL +}; + +static guint eth_signals [LAST_SIGNAL] = { 0, }; + +static GtkObjectClass *e_table_header_parent_class; + +static void +e_table_header_destroy (GtkObject *object) +{ + ETableHeader *eth = E_TABLE_HEADER (object); + const int cols = eth->col_count; + int i; + + /* + * Destroy columns + */ + for (i = 0; i < cols; i++) + e_table_header_remove (eth, i); + + if (e_table_header_parent_class->destroy) + e_table_header_parent_class->destroy (object); +} + +static void +e_table_header_class_init (GtkObjectClass *object_class) +{ + object_class->destroy = e_table_header_destroy; + + e_table_header_parent_class = (gtk_type_class (gtk_object_get_type ())); + + eth_signals [STRUCTURE_CHANGE] = + gtk_signal_new ("structure_change", + GTK_RUN_LAST, + object_class->type, + GTK_SIGNAL_OFFSET (ETableHeaderClass, structure_change), + gtk_marshal_NONE__NONE, + GTK_TYPE_NONE, 0); + eth_signals [DIMENSION_CHANGE] = + gtk_signal_new ("dimension_change", + GTK_RUN_LAST, + object_class->type, + GTK_SIGNAL_OFFSET (ETableHeaderClass, dimension_change), + gtk_marshal_NONE__INT, + GTK_TYPE_NONE, 1, GTK_TYPE_INT); + + gtk_object_class_add_signals (object_class, eth_signals, LAST_SIGNAL); +} + +GtkType +e_table_header_get_type (void) +{ + static GtkType type = 0; + + if (!type){ + GtkTypeInfo info = { + "ETableHeader", + sizeof (ETableHeader), + sizeof (ETableHeaderClass), + (GtkClassInitFunc) e_table_header_class_init, + (GtkObjectInitFunc) NULL, + NULL, /* reserved 1 */ + NULL, /* reserved 2 */ + (GtkClassInitFunc) NULL + }; + + type = gtk_type_unique (gtk_object_get_type (), &info); + } + + return type; +} + +ETableHeader * +e_table_header_new (void) +{ + ETableHeader *eth; + + eth = gtk_type_new (e_table_header_get_type ()); + + return eth; +} + +static void +eth_do_insert (ETableHeader *eth, int pos, ETableCol *val) +{ + memcpy (ð->columns [pos+1], ð->columns [pos], + sizeof (ETableCol *) * (eth->col_count - pos)); + eth->columns [pos] = val; +} + +void +e_table_header_add_column (ETableHeader *eth, ETableCol *tc, int pos) +{ + ETableCol **new_ptr; + + g_return_if_fail (eth != NULL); + g_return_if_fail (E_IS_TABLE_COLUMN (eth)); + g_return_if_fail (tc != NULL); + g_return_if_fail (pos >= 0 && pos < eth->col_count); + + if (pos == -1) + pos = eth->col_count; + eth->columns = g_realloc (eth->columns, sizeof (ETableCol *) * (eth->col_count + 1)); + eth_do_insert (eth, pos, tc); + eth->col_count++; + + gtk_signal_emit (GTK_OBJECT (eth), eth_signals [STRUCTURE_CHANGE]); +} + +ETableCol * +e_table_header_get_column (ETableHeader *eth, int column) +{ + g_return_val_if_fail (eth != NULL, NULL); + g_return_val_if_fail (E_IS_TABLE_COLUMN (eth), NULL); + + if (column < 0) + return NULL; + + if (column >= eth->col_count) + return NULL; + + return eth->columns [column]; +} + +int +e_table_header_count (ETableHeader *eth) +{ + g_return_val_if_fail (eth != NULL, 0); + g_return_val_if_fail (E_IS_TABLE_COLUMN (eth), 0); + + return eth->col_count; +} + +int +e_table_header_index (ETableHeader *eth, const char *identifier) +{ + int i; + + g_return_val_if_fail (eth != NULL, 0); + g_return_val_if_fail (E_IS_TABLE_COLUMN (eth), 0); + g_return_val_if_fail (identifier != NULL, 0); + + for (i = 0; i < eth->col_count; i++){ + ETableCol *tc = eth->columns [i]; + + if (strcmp (tc->id, identifier) == 0) + return i; + } + + return -1; +} + +int +e_table_header_get_index_at (ETableHeader *eth, int x_offset) +{ + int i, total; + + g_return_val_if_fail (eth != NULL, 0); + g_return_val_if_fail (E_IS_TABLE_COLUMN (eth), 0); + + total = 0; + for (i = 0; i < eth->col_count; i++){ + total += eth->columns [i]->width; + + if (x_offset < total) + return i; + } + + return -1; +} + +ETableCol ** +e_table_header_get_columns (ETableHeader *eth) +{ + ETableCol **ret; + int i; + + g_return_val_if_fail (eth != NULL, 0); + g_return_val_if_fail (E_IS_TABLE_COLUMN (eth), 0); + + ret = g_new (ETableCol *, eth->col_count + 1); + memcpy (ret, eth->columns, sizeof (ETableCol *) * eth->col_count); + ret [eth->col_count] = NULL; + + return ret; +} + +gboolean +e_table_header_selection_ok (ETableHeader *eth) +{ + g_return_val_if_fail (eth != NULL, FALSE); + g_return_val_if_fail (E_IS_TABLE_COLUMN (eth), FALSE); + + return eth->selectable; +} + +int +ve_table_header_get_selected (ETableHeader *eth) +{ + int i; + int selected = 0; + + g_return_val_if_fail (eth != NULL, 0); + g_return_val_if_fail (E_IS_TABLE_COLUMN (eth), 0); + + for (i = 0; i < eth->col_count; i++){ + if (eth->columns [i]->selected) + selected++; + } + + return selected; +} + +int +e_table_header_total_width (ETableHeader *eth) +{ + int total, i; + + g_return_val_if_fail (eth != NULL, 0); + g_return_val_if_fail (E_IS_TABLE_COLUMN (eth), 0); + + total = 0; + for (i = 0; i < eth->col_count; i++) + total += eth->columns [i]->width; + + return total; +} + +static void +eth_do_remove (ETableHeader *eth, int idx) +{ + memcpy (ð->columns [idx], ð->columns [idx+1], + sizeof (ETableCol *) * eth->col_count - idx); + eth->col_count--; +} + +void +e_table_header_move (ETableHeader *eth, int source_index, int target_index) +{ + ETableCol *old; + + g_return_if_fail (eth != NULL); + g_return_if_fail (E_IS_TABLE_COLUMN (eth)); + g_return_if_fail (source_index >= 0); + g_return_if_fail (target_index >= 0); + g_return_if_fail (source_index < eth->col_count); + g_return_if_fail (target_index < eth->col_count); + + old = eth->columns [source_index]; + eth_do_remove (eth, source_index); + eth_do_insert (eth, target_index, old); + gtk_signal_emit (GTK_OBJECT (eth), eth_signals [STRUCTURE_CHANGE]); +} + +void +e_table_header_remove (ETableHeader *eth, int idx) +{ + g_return_if_fail (eth != NULL); + g_return_if_fail (E_IS_TABLE_COLUMN (eth)); + g_return_if_fail (idx >= 0); + g_return_if_fail (idx < eth->col_count); + + eth_do_remove (eth, idx); + gtk_signal_emit (GTK_OBJECT (eth), eth_signals [STRUCTURE_CHANGE]); +} + +void +e_table_header_set_selection (ETableHeader *eth, gboolean allow_selection) +{ +} + +void +e_table_header_set_size (ETableHeader *eth, int idx, int size) +{ + g_return_if_fail (eth != NULL); + g_return_if_fail (E_IS_TABLE_COLUMN (eth)); + g_return_if_fail (idx >= 0); + g_return_if_fail (idx < eth->col_count); + g_return_if_fail (size > 0); + + eth->columns [idx]->width = size; + gtk_signal_emit (GTK_OBJECT (eth), eth_signals [DIMENSION_CHANGE], idx); +} |