diff options
Diffstat (limited to 'widgets/table/e-table.c')
-rw-r--r-- | widgets/table/e-table.c | 579 |
1 files changed, 130 insertions, 449 deletions
diff --git a/widgets/table/e-table.c b/widgets/table/e-table.c index bddf572fb9..1c89a45ea9 100644 --- a/widgets/table/e-table.c +++ b/widgets/table/e-table.c @@ -3,7 +3,8 @@ * E-table.c: A graphical view of a Table. * * Author: - * Miguel de Icaza (miguel@gnu.org) + * Miguel de Icaza (miguel@helixcode.com) + * Chris Lahey (clahey@helixcode.com) * * Copyright 1999, Helix Code, Inc */ @@ -26,6 +27,7 @@ #include "e-table-subset.h" #include "e-table-item.h" #include "e-table-group.h" +#include "e-table-group-leaf.h" #define COLUMN_HEADER_HEIGHT 16 #define TITLE_HEIGHT 16 @@ -40,6 +42,12 @@ enum { LAST_SIGNAL }; +enum { + ARG_0, + ARG_TABLE_DRAW_GRID, + ARG_TABLE_DRAW_FOCUS +}; + static gint et_signals [LAST_SIGNAL] = { 0, }; static void e_table_fill_table (ETable *e_table, ETableModel *model); @@ -140,405 +148,6 @@ e_table_setup_header (ETable *e_table) gtk_widget_set_usize (GTK_WIDGET (e_table->header_canvas), -1, COLUMN_HEADER_HEIGHT); } -#if 0 -typedef struct { - void *value; - GArray *array; -} group_key_t; - -static GArray * -e_table_create_groups (ETableModel *etm, int key_col, GCompareFunc comp) -{ - GArray *groups; - const int rows = e_table_model_row_count (etm); - int row, i; - - groups = g_array_new (FALSE, FALSE, sizeof (group_key_t)); - - for (row = 0; row < rows; row++){ - void *val = e_table_model_value_at (etm, key_col, row); - const int n_groups = groups->len; - - /* - * Should replace this with a bsearch later - */ - for (i = 0; i < n_groups; i++){ - group_key_t *g = &g_array_index (groups, group_key_t, i); - - if ((*comp) (g->value, val)){ - g_array_append_val (g->array, row); - break; - } - } - if (i != n_groups) - continue; - - /* - * We need to create a new group - */ - { - group_key_t gk; - - gk.value = val; - gk.array = g_array_new (FALSE, FALSE, sizeof (int)); - - g_array_append_val (gk.array, row); - g_array_append_val (groups, gk); - } - } - - return groups; -} - -static void -e_table_destroy_groups (GArray *groups) -{ - const int n = groups->len; - int i; - - for (i = 0; i < n; i++){ - group_key_t *g = &g_array_index (groups, group_key_t, i); - - g_array_free (g->array, TRUE); - } - g_array_free (groups, TRUE); -} - -static ETableModel ** -e_table_make_subtables (ETableModel *model, GArray *groups) -{ - const int n_groups = groups->len; - ETableModel **tables; - int i; - - tables = g_new (ETableModel *, n_groups+1); - - for (i = 0; i < n_groups; i++){ - group_key_t *g = &g_array_index (groups, group_key_t, i); - const int sub_size = g->array->len; - ETableSubset *ss; - int j; - - tables [i] = e_table_subset_new (model, sub_size); - ss = E_TABLE_SUBSET (tables [i]); - - for (j = 0; j < sub_size; j++) - ss->map_table [j] = g_array_index (g->array, int, j); - } - tables [i] = NULL; - - return (ETableModel **) tables; -} - -typedef struct _Node Node; - -struct _Node { - Node *parent; - GnomeCanvasItem *item; - ETableModel *table_model; - GSList *children; - - guint is_leaf:1; -}; - -static Node * -leaf_new (GnomeCanvasItem *table_item, ETableModel *table_model, Node *parent) -{ - Node *node = g_new (Node, 1); - - g_assert (table_item != NULL); - g_assert (table_model != NULL); - g_assert (parent != NULL); - - node->item = table_item; - node->parent = parent; - node->table_model = table_model; - node->is_leaf = 1; - - g_assert (!parent->is_leaf); - - parent->children = g_slist_append (parent->children, node); - - e_table_group_add (E_TABLE_GROUP (parent->item), table_item); - - return node; -} - -static Node * -node_new (GnomeCanvasItem *group_item, ETableModel *table_model, Node *parent) -{ - Node *node = g_new (Node, 1); - - g_assert (table_model != NULL); - - node->children = NULL; - node->item = group_item; - node->parent = parent; - node->table_model = table_model; - node->is_leaf = 0; - - if (parent){ - parent->children = g_slist_append (parent->children, node); - - e_table_group_add (E_TABLE_GROUP (parent->item), group_item); - } - - return node; -} - -static Node * -e_table_create_leaf (ETable *e_table, ETableModel *etm, Node *parent) -{ - GnomeCanvasItem *table_item; - Node *leaf; - - table_item = gnome_canvas_item_new ( - GNOME_CANVAS_GROUP (parent->item), - e_table_item_get_type (), - "ETableHeader", e_table->header, - "ETableModel", etm, - "drawgrid", e_table->draw_grid, - "drawfocus", e_table->draw_focus, - "spreadsheet", e_table->spreadsheet, - NULL); - - leaf = leaf_new (table_item, etm, parent); - - return leaf; -} - -static int -leaf_height (Node *leaf) -{ - const GnomeCanvasItem *item = leaf->item; - - return item->y2 - item->y1; -} - -static int -leaf_event (GnomeCanvasItem *item, GdkEvent *event) -{ - static int last_x = -1; - static int last_y = -1; - - if (event->type == GDK_BUTTON_PRESS){ - last_x = event->button.x; - last_y = event->button.y; - } else if (event->type == GDK_BUTTON_RELEASE){ - last_x = -1; - last_y = -1; - } else if (event->type == GDK_MOTION_NOTIFY){ - if (last_x == -1) - return FALSE; - - gnome_canvas_item_move (item, event->motion.x - last_x, event->motion.y - last_y); - last_x = event->motion.x; - last_y = event->motion.y; - } else - return FALSE; - return TRUE; -} - -static Node * -e_table_create_nodes (ETable *e_table, ETableModel *model, ETableHeader *header, - GnomeCanvasGroup *root, Node *parent, int *groups_list) -{ - GArray *groups; - ETableModel **tables; - ETableCol *ecol; - int key_col, i; - GnomeCanvasItem *group_item; - Node *group; - - key_col = *groups_list; - g_assert (key_col != -1); - - /* - * Create groups - */ - ecol = e_table_header_get_column (header, key_col); - - g_assert (ecol != NULL); - - groups = e_table_create_groups (model, key_col, ecol->compare); - tables = e_table_make_subtables (e_table->model, groups); - e_table_destroy_groups (groups); - group_item = gnome_canvas_item_new (root, - e_table_group_get_type (), - "columns", ecol, TRUE, parent == NULL); - group = node_new (group_item, model, parent); - - for (i = 0; tables [i] != NULL; i++){ - /* - * Leafs - */ - if (groups_list [1] == -1){ - GnomeCanvasItem *item_leaf_header; - Node *leaf_header; - - /* FIXME *//* - item_leaf_header = e_table_group_new ( - GNOME_CANVAS_GROUP (group_item), ecol, TRUE, FALSE);*/ - leaf_header = node_new (item_leaf_header, tables [i], group); - - e_table_create_leaf (e_table, tables [i], leaf_header); - } else { - e_table_create_nodes ( - e_table, tables [i], header, GNOME_CANVAS_GROUP (group_item), - group, &groups_list [1]); - } - } - - return group; -} - -static int * -group_spec_to_desc (const char *group_spec) -{ - int a_size = 10; - int *elements; - char *p, *copy, *follow; - int n_elements = 0; - - if (group_spec == NULL) - return NULL; - - elements = g_new (int, a_size); - copy = alloca (strlen (group_spec) + 1); - strcpy (copy, group_spec); - - while ((p = strtok_r (copy, ",", &follow)) != NULL){ - elements [n_elements] = atoi (p); - ++n_elements; - if (n_elements+1 == a_size){ - int *new_e; - - n_elements += 10; - new_e = g_renew (int, elements, n_elements); - if (new_e == NULL){ - g_free (elements); - return NULL; - } - elements = new_e; - } - copy = NULL; - } - - /* Tag end */ - elements [n_elements] = -1; - - return elements; -} - -/* - * The ETableCanvas object is just used to enable us to - * hook up to the realize/unrealize phases of the canvas - * initialization (as laying out the subtables requires us to - * know the actual size of the subtables we are inserting - */ - -#define E_TABLE_CANVAS_PARENT_TYPE gnome_canvas_get_type () - -typedef struct { - GnomeCanvas base; - - ETable *e_table; -} ETableCanvas; - -typedef struct { - GnomeCanvasClass base_class; -} ETableCanvasClass; - -static GnomeCanvasClass *e_table_canvas_parent_class; - -static void -e_table_canvas_realize (GtkWidget *widget) -{ -#if 0 - GnomeCanvasItem *group_item; - - group_item = gnome_canvas_item_new (root, - e_table_group_get_type (), - "header", E_TABLE, TRUE, parent == NULL); - - - ETableCanvas *e_table_canvas = (ETableCanvas *) widget; - ETable *e_table = e_table_canvas->e_table; - int *groups; - Node *leaf; - - GTK_WIDGET_CLASS (e_table_canvas_parent_class)->realize (widget); - - groups = group_spec_to_desc (e_table->group_spec); - - - - leaf = e_table_create_nodes ( - e_table, e_table->model, - e_table->header, GNOME_CANVAS_GROUP (e_table->root), 0, groups); - - - if (groups) - g_free (groups); -#endif -} - -static void -e_table_canvas_unrealize (GtkWidget *widget) -{ - ETableCanvas *e_table_canvas = (ETableCanvas *) widget; - ETable *e_table = e_table_canvas->e_table; - - gtk_object_destroy (GTK_OBJECT (e_table->root)); - - GTK_WIDGET_CLASS (e_table_canvas_parent_class)->unrealize (widget); -} - -static void -e_table_canvas_class_init (GtkObjectClass *object_class) -{ - GtkWidgetClass *widget_class = (GtkWidgetClass *) object_class; - - widget_class->realize = e_table_canvas_realize; - widget_class->unrealize = e_table_canvas_unrealize; - - e_table_canvas_parent_class = gtk_type_class (E_TABLE_CANVAS_PARENT_TYPE); -} - -static void -e_table_canvas_init (GtkObject *canvas) -{ - ETableCanvas *e_table_canvas = (ETableCanvas *) (canvas); - ETable *e_table = e_table_canvas->e_table; - - GTK_WIDGET_SET_FLAGS (canvas, GTK_CAN_FOCUS); - -} - -GtkType e_table_canvas_get_type (void); - -E_MAKE_TYPE (e_table_canvas, "ETableCanvas", ETableCanvas, e_table_canvas_class_init, - e_table_canvas_init, E_TABLE_CANVAS_PARENT_TYPE); - -static GnomeCanvas * -e_table_canvas_new (ETable *e_table) -{ - ETableCanvas *e_table_canvas; - - e_table_canvas = gtk_type_new (e_table_canvas_get_type ()); - e_table_canvas->e_table = e_table; - - e_table->root = gnome_canvas_item_new ( - GNOME_CANVAS_GROUP (GNOME_CANVAS (e_table_canvas)->root), - gnome_canvas_group_get_type (), - "x", 0.0, - "y", 0.0, - NULL); - - return GNOME_CANVAS (e_table_canvas); -} -#endif - static void table_canvas_size_allocate (GtkWidget *widget, GtkAllocation *alloc, ETable *e_table) @@ -663,14 +272,13 @@ e_table_setup_table (ETable *e_table, ETableHeader *full_header, ETableHeader *h gtk_widget_show (GTK_WIDGET (e_table->table_canvas)); - e_table->group = e_table_group_new (GNOME_CANVAS_GROUP (e_table->table_canvas->root), - full_header, - header, - model, - e_table->sort_info, - 0); - gtk_signal_connect (GTK_OBJECT(e_table->group), "row_selection", - GTK_SIGNAL_FUNC(group_row_selection), e_table); + e_table->group = e_table_group_new ( + GNOME_CANVAS_GROUP (e_table->table_canvas->root), + full_header, header, + model, e_table->sort_info, 0); + + gtk_signal_connect (GTK_OBJECT (e_table->group), "row_selection", + GTK_SIGNAL_FUNC(group_row_selection), e_table); e_table->table_model_change_id = gtk_signal_connect ( GTK_OBJECT (model), "model_changed", @@ -761,7 +369,7 @@ et_grouping_xml_to_sort_info (ETable *table, xmlNode *grouping) GTK_SIGNAL_FUNC (sort_info_changed), table); } -static void +static ETable * et_real_construct (ETable *e_table, ETableHeader *full_header, ETableModel *etm, xmlDoc *xmlSpec) { @@ -771,21 +379,19 @@ et_real_construct (ETable *e_table, ETableHeader *full_header, ETableModel *etm, GtkWidget *scrolledwindow; + xmlRoot = xmlDocGetRootElement (xmlSpec); + xmlColumns = e_xml_get_child_by_name (xmlRoot, "columns-shown"); + xmlGrouping = e_xml_get_child_by_name (xmlRoot, "grouping"); + + if ((xmlColumns == NULL) || (xmlGrouping == NULL)) + return NULL; + e_table->full_header = full_header; gtk_object_ref (GTK_OBJECT (full_header)); e_table->model = etm; gtk_object_ref (GTK_OBJECT (etm)); - xmlRoot = xmlDocGetRootElement (xmlSpec); - - xmlColumns = e_xml_get_child_by_name (xmlRoot, "columns-shown"); - xmlGrouping = e_xml_get_child_by_name (xmlRoot, "grouping"); - - /* TODO: unref the etm and full_header, if these things fail? */ - g_return_if_fail (xmlColumns); - g_return_if_fail (xmlGrouping); - gtk_widget_push_visual (gdk_rgb_get_visual ()); gtk_widget_push_colormap (gdk_rgb_get_cmap ()); @@ -796,13 +402,18 @@ et_real_construct (ETable *e_table, ETableHeader *full_header, ETableModel *etm, e_table_setup_table (e_table, full_header, e_table->header, etm); e_table_fill_table (e_table, etm); - scrolledwindow = gtk_scrolled_window_new (gtk_layout_get_hadjustment (GTK_LAYOUT (e_table->table_canvas)), - gtk_layout_get_vadjustment (GTK_LAYOUT (e_table->table_canvas))); - gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (scrolledwindow), - GTK_POLICY_NEVER, - GTK_POLICY_AUTOMATIC); + scrolledwindow = gtk_scrolled_window_new ( + gtk_layout_get_hadjustment (GTK_LAYOUT (e_table->table_canvas)), + gtk_layout_get_vadjustment (GTK_LAYOUT (e_table->table_canvas))); + + gtk_scrolled_window_set_policy ( + GTK_SCROLLED_WINDOW (scrolledwindow), + GTK_POLICY_NEVER, + GTK_POLICY_AUTOMATIC); - gtk_container_add (GTK_CONTAINER (scrolledwindow), GTK_WIDGET(e_table->table_canvas)); + gtk_container_add ( + GTK_CONTAINER (scrolledwindow), + GTK_WIDGET (e_table->table_canvas)); gtk_widget_show (scrolledwindow); /* @@ -825,31 +436,37 @@ et_real_construct (ETable *e_table, ETableHeader *full_header, ETableModel *etm, gtk_widget_pop_colormap (); gtk_widget_pop_visual (); + + return e_table; } -void -e_table_construct (ETable *e_table, ETableHeader *full_header, ETableModel *etm, - const char *spec) +ETable * +e_table_construct (ETable *e_table, ETableHeader *full_header, + ETableModel *etm, const char *spec) { xmlDoc *xmlSpec; char *copy; copy = g_strdup (spec); xmlSpec = xmlParseMemory (copy, strlen(copy)); - et_real_construct (e_table, full_header, etm, xmlSpec); + e_table = et_real_construct (e_table, full_header, etm, xmlSpec); xmlFreeDoc (xmlSpec); g_free (copy); + + return e_table; } -void +ETable * e_table_construct_from_spec_file (ETable *e_table, ETableHeader *full_header, ETableModel *etm, const char *filename) { xmlDoc *xmlSpec; xmlSpec = xmlParseFile (filename); - et_real_construct (e_table, full_header, etm, xmlSpec); + e_table = et_real_construct (e_table, full_header, etm, xmlSpec); xmlFreeDoc (xmlSpec); + + return e_table; } GtkWidget * @@ -859,9 +476,9 @@ e_table_new (ETableHeader *full_header, ETableModel *etm, const char *spec) e_table = gtk_type_new (e_table_get_type ()); - e_table_construct (e_table, full_header, etm, spec); + e_table = e_table_construct (e_table, full_header, etm, spec); - return (GtkWidget *) e_table; + return GTK_WIDGET (e_table); } GtkWidget * @@ -871,7 +488,7 @@ e_table_new_from_spec_file (ETableHeader *full_header, ETableModel *etm, const c e_table = gtk_type_new (e_table_get_type ()); - e_table_construct_from_spec_file (e_table, full_header, etm, filename); + e_table = e_table_construct_from_spec_file (e_table, full_header, etm, filename); return (GtkWidget *) e_table; } @@ -900,30 +517,31 @@ et_build_grouping_spec (ETable *e_table) { xmlNode *node; xmlNode *grouping; - xmlNode *root; int i; - int length; - - root = xmlDocGetRootElement (e_table->specification); - xmlCopyNode (e_xml_get_child_by_name(root, "grouping"), TRUE); + const int sort_count = e_table_sort_info_sorting_get_count (e_table->sort_info); + const int group_count = e_table_sort_info_grouping_get_count (e_table->sort_info); + grouping = xmlNewNode (NULL, "grouping"); node = grouping; - length = e_table_sort_info_grouping_get_count(e_table->sort_info); - for (i = 0; i < length; i++) { + + for (i = 0; i < group_count; i++) { ETableSortColumn column = e_table_sort_info_grouping_get_nth(e_table->sort_info, i); xmlNode *new_node = xmlNewChild(node, NULL, "group", NULL); + e_xml_set_integer_prop_by_name (new_node, "column", column.column); e_xml_set_integer_prop_by_name (new_node, "ascending", column.ascending); node = new_node; } - length = e_table_sort_info_sorting_get_count(e_table->sort_info); - for (i = 0; i < length; i++) { + + for (i = 0; i < sort_count; i++) { ETableSortColumn column = e_table_sort_info_sorting_get_nth(e_table->sort_info, i); xmlNode *new_node = xmlNewChild(node, NULL, "leaf", NULL); + e_xml_set_integer_prop_by_name (new_node, "column", column.column); e_xml_set_integer_prop_by_name (new_node, "ascending", column.ascending); node = new_node; } + return grouping; } @@ -932,27 +550,30 @@ et_build_tree (ETable *e_table) { xmlDoc *doc; xmlNode *root; + doc = xmlNewDoc ("1.0"); if (doc == NULL) return NULL; + root = xmlNewDocNode (doc, NULL, "ETableSpecification", NULL); xmlDocSetRootElement (doc, root); - xmlAddChild (root, et_build_column_spec(e_table)); - xmlAddChild (root, et_build_grouping_spec(e_table)); + xmlAddChild (root, et_build_column_spec (e_table)); + xmlAddChild (root, et_build_grouping_spec (e_table)); + return doc; } gchar * e_table_get_specification (ETable *e_table) { - xmlDoc *doc = et_build_tree (e_table); + xmlDoc *doc; xmlChar *buffer; gint size; - xmlDocDumpMemory (doc, - &buffer, - &size); + doc = et_build_tree (e_table); + xmlDocDumpMemory (doc, &buffer, &size); xmlFreeDoc (doc); + return buffer; } @@ -965,15 +586,68 @@ e_table_save_specification (ETable *e_table, gchar *filename) xmlFreeDoc (doc); } +static void +et_get_arg (GtkObject *o, GtkArg *arg, guint arg_id) +{ + ETable *etable = E_TABLE (o); + + switch (arg_id){ + case ARG_TABLE_DRAW_GRID: + GTK_VALUE_BOOL (*arg) = etable->draw_grid; + break; + + case ARG_TABLE_DRAW_FOCUS: + GTK_VALUE_BOOL (*arg) = etable->draw_focus; + break; + } +} + +typedef struct { + char *arg; + gboolean setting; +} bool_closure; static void +leaf_bool_change (void *etgl, void *closure) +{ + bool_closure *bc = closure; + + gtk_object_set (GTK_OBJECT (etgl), bc->arg, bc->setting, NULL); +} + +static void +et_set_arg (GtkObject *o, GtkArg *arg, guint arg_id) +{ + ETable *etable = E_TABLE (o); + bool_closure bc; + + switch (arg_id){ + case ARG_TABLE_DRAW_GRID: + etable->draw_grid = GTK_VALUE_BOOL (*arg); + bc.arg = "drawgrid"; + bc.setting = etable->draw_grid; + e_table_group_apply_to_leafs (etable->group, leaf_bool_change, &bc); + break; + + case ARG_TABLE_DRAW_FOCUS: + etable->draw_focus = GTK_VALUE_BOOL (*arg); + bc.arg = "drawfocus"; + bc.setting = etable->draw_focus; + e_table_group_apply_to_leafs (etable->group, leaf_bool_change, &bc); + break; + } +} + +static void e_table_class_init (GtkObjectClass *object_class) { ETableClass *klass = E_TABLE_CLASS(object_class); e_table_parent_class = gtk_type_class (PARENT_TYPE); object_class->destroy = et_destroy; - + object_class->set_arg = et_set_arg; + object_class->get_arg = et_get_arg; + klass->row_selection = NULL; et_signals [ROW_SELECTION] = @@ -985,6 +659,13 @@ e_table_class_init (GtkObjectClass *object_class) GTK_TYPE_NONE, 2, GTK_TYPE_INT, GTK_TYPE_INT); gtk_object_class_add_signals (object_class, et_signals, LAST_SIGNAL); + + gtk_object_add_arg_type ("ETable::drawgrid", GTK_TYPE_BOOL, + GTK_ARG_READWRITE, ARG_TABLE_DRAW_GRID); + gtk_object_add_arg_type ("ETable::drawfocus", GTK_TYPE_BOOL, + GTK_ARG_READWRITE, ARG_TABLE_DRAW_FOCUS); + + } E_MAKE_TYPE(e_table, "ETable", ETable, e_table_class_init, e_table_init, PARENT_TYPE); |