diff options
Diffstat (limited to 'widgets/table/e-table.c')
| -rw-r--r-- | widgets/table/e-table.c | 684 |
1 files changed, 0 insertions, 684 deletions
diff --git a/widgets/table/e-table.c b/widgets/table/e-table.c deleted file mode 100644 index 5e83d9fce9..0000000000 --- a/widgets/table/e-table.c +++ /dev/null @@ -1,684 +0,0 @@ -/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */ -/* - * E-table.c: A graphical view of a Table. - * - * Author: - * Miguel de Icaza (miguel@helixcode.com) - * Chris Lahey (clahey@helixcode.com) - * - * Copyright 1999, Helix Code, Inc - */ -#include <config.h> -#include <stdlib.h> -#include <stdio.h> -#include <string.h> -#ifdef HAVE_ALLOCA_H -#include <alloca.h> -#endif -#include <stdio.h> -#include <libgnomeui/gnome-canvas.h> -#include <gtk/gtksignal.h> -#include <gnome-xml/parser.h> -#include <gnome-xml/xmlmemory.h> -#include "e-util/e-util.h" -#include "e-util/e-xml-utils.h" -#include "e-util/e-canvas.h" -#include "e-table.h" -#include "e-table-header-item.h" -#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 -#define GROUP_INDENT 10 - -#define PARENT_TYPE gtk_table_get_type () - -static GtkObjectClass *e_table_parent_class; - -enum { - ROW_SELECTION, - 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); -static gboolean changed_idle (gpointer data); - -static void -et_destroy (GtkObject *object) -{ - ETable *et = E_TABLE (object); - - - gtk_signal_disconnect (GTK_OBJECT (et->model), - et->table_model_change_id); - gtk_signal_disconnect (GTK_OBJECT (et->model), - et->table_row_change_id); - gtk_signal_disconnect (GTK_OBJECT (et->model), - et->table_cell_change_id); - gtk_signal_disconnect (GTK_OBJECT (et->model), - et->table_row_inserted_id); - gtk_signal_disconnect (GTK_OBJECT (et->model), - et->table_row_deleted_id); - if (et->group_info_change_id) - gtk_signal_disconnect (GTK_OBJECT (et->sort_info), - et->group_info_change_id); - - gtk_object_unref (GTK_OBJECT (et->model)); - gtk_object_unref (GTK_OBJECT (et->full_header)); - gtk_object_unref (GTK_OBJECT (et->header)); - gtk_object_unref (GTK_OBJECT (et->sort_info)); - gtk_widget_destroy (GTK_WIDGET (et->header_canvas)); - gtk_widget_destroy (GTK_WIDGET (et->table_canvas)); - - if (et->rebuild_idle_id) { - g_source_remove (et->rebuild_idle_id); - et->rebuild_idle_id = 0; - } - - (*e_table_parent_class->destroy)(object); -} - -static void -e_table_init (GtkObject *object) -{ - ETable *e_table = E_TABLE (object); - GtkTable *gtk_table = GTK_TABLE (object); - - gtk_table->homogeneous = FALSE; - - e_table->sort_info = NULL; - e_table->group_info_change_id = 0; - - e_table->draw_grid = 1; - e_table->draw_focus = 1; - e_table->spreadsheet = 1; - - e_table->need_rebuild = 0; - e_table->rebuild_idle_id = 0; -} - -static void -header_canvas_size_allocate (GtkWidget *widget, GtkAllocation *alloc, ETable *e_table) -{ - gnome_canvas_set_scroll_region ( - GNOME_CANVAS (e_table->header_canvas), - 0, 0, alloc->width, COLUMN_HEADER_HEIGHT); -} - -static void -sort_info_changed (ETableSortInfo *info, ETable *et) -{ - et->need_rebuild = TRUE; - if (!et->rebuild_idle_id) - et->rebuild_idle_id = g_idle_add_full (20, changed_idle, et, NULL); -} - -static void -e_table_setup_header (ETable *e_table) -{ - e_table->header_canvas = GNOME_CANVAS (e_canvas_new ()); - - gtk_widget_show (GTK_WIDGET (e_table->header_canvas)); - - e_table->header_item = gnome_canvas_item_new ( - gnome_canvas_root (e_table->header_canvas), - e_table_header_item_get_type (), - "ETableHeader", e_table->header, - "sort_info", e_table->sort_info, - NULL); - - gtk_signal_connect ( - GTK_OBJECT (e_table->header_canvas), "size_allocate", - GTK_SIGNAL_FUNC (header_canvas_size_allocate), e_table); - - gtk_widget_set_usize (GTK_WIDGET (e_table->header_canvas), -1, COLUMN_HEADER_HEIGHT); -} - -static void -table_canvas_size_allocate (GtkWidget *widget, GtkAllocation *alloc, - ETable *e_table) -{ - gdouble width; - width = alloc->width; - - gtk_object_set (GTK_OBJECT (e_table->group), - "minimum_width", width, - NULL); - gtk_object_set (GTK_OBJECT (e_table->header), - "width", width, - NULL); - -} - -static void -table_canvas_reflow (GnomeCanvas *canvas, ETable *e_table) -{ - gdouble height, width; - GtkAllocation *alloc = &(GTK_WIDGET (canvas)->allocation); - - gtk_object_get (GTK_OBJECT (e_table->group), - "height", &height, - "width", &width, - NULL); - gnome_canvas_set_scroll_region ( - GNOME_CANVAS (e_table->table_canvas), - 0, 0, MAX(width, alloc->width), MAX (height, alloc->height)); -} - -static void -group_row_selection (ETableGroup *etg, int row, gboolean selected, ETable *et) -{ - gtk_signal_emit (GTK_OBJECT (et), - et_signals [ROW_SELECTION], - row, selected); -} - -static gboolean -changed_idle (gpointer data) -{ - ETable *et = E_TABLE (data); - - if (et->need_rebuild) { - gtk_object_destroy (GTK_OBJECT (et->group)); - et->group = e_table_group_new (GNOME_CANVAS_GROUP (et->table_canvas->root), - et->full_header, - et->header, - et->model, - et->sort_info, - 0); - gtk_signal_connect (GTK_OBJECT (et->group), "row_selection", - GTK_SIGNAL_FUNC (group_row_selection), et); - e_table_fill_table (et, et->model); - - gtk_object_set (GTK_OBJECT (et->group), - "minimum_width", (double) GTK_WIDGET (et->table_canvas)->allocation.width, - NULL); - } - - et->need_rebuild = 0; - et->rebuild_idle_id = 0; - - return FALSE; -} - -static void -et_table_model_changed (ETableModel *model, ETable *et) -{ - et->need_rebuild = TRUE; - if (!et->rebuild_idle_id) - et->rebuild_idle_id = g_idle_add_full (20, changed_idle, et, NULL); -} - -static void -et_table_row_changed (ETableModel *table_model, int row, ETable *et) -{ - if (!et->need_rebuild) { - if (e_table_group_remove (et->group, row)) - e_table_group_add (et->group, row); - } -} - -static void -et_table_cell_changed (ETableModel *table_model, int view_col, int row, ETable *et) -{ - et_table_row_changed (table_model, row, et); -} - -static void -et_table_row_inserted (ETableModel *table_model, int row, ETable *et) -{ - if (!et->need_rebuild) { - e_table_group_add (et->group, row); - } -} - -static void -et_table_row_deleted (ETableModel *table_model, int row, ETable *et) -{ - if (!et->need_rebuild) { - e_table_group_remove (et->group, row); - } -} - -static void -e_table_setup_table (ETable *e_table, ETableHeader *full_header, ETableHeader *header, - ETableModel *model) -{ - e_table->table_canvas = GNOME_CANVAS (e_canvas_new ()); - gtk_signal_connect ( - GTK_OBJECT (e_table->table_canvas), "size_allocate", - GTK_SIGNAL_FUNC (table_canvas_size_allocate), e_table); - - gtk_signal_connect (GTK_OBJECT(e_table->table_canvas), "reflow", - GTK_SIGNAL_FUNC (table_canvas_reflow), e_table); - - 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->table_model_change_id = gtk_signal_connect ( - GTK_OBJECT (model), "model_changed", - GTK_SIGNAL_FUNC (et_table_model_changed), e_table); - - e_table->table_row_change_id = gtk_signal_connect ( - GTK_OBJECT (model), "model_row_changed", - GTK_SIGNAL_FUNC (et_table_row_changed), e_table); - - e_table->table_cell_change_id = gtk_signal_connect ( - GTK_OBJECT (model), "model_cell_changed", - GTK_SIGNAL_FUNC (et_table_cell_changed), e_table); - - e_table->table_row_inserted_id = gtk_signal_connect ( - GTK_OBJECT (model), "model_row_inserted", - GTK_SIGNAL_FUNC (et_table_row_inserted), e_table); - - e_table->table_row_deleted_id = gtk_signal_connect ( - GTK_OBJECT (model), "model_row_deleted", - GTK_SIGNAL_FUNC (et_table_row_deleted), e_table); -} - -static void -e_table_fill_table (ETable *e_table, ETableModel *model) -{ - e_table_group_add_all (e_table->group); -} - -static ETableHeader * -et_xml_to_header (ETable *e_table, ETableHeader *full_header, xmlNode *xmlColumns) -{ - ETableHeader *nh; - xmlNode *column; - const int max_cols = e_table_header_count (full_header); - - g_return_val_if_fail (e_table, NULL); - g_return_val_if_fail (full_header, NULL); - g_return_val_if_fail (xmlColumns, NULL); - - nh = e_table_header_new (); - - for (column = xmlColumns->childs; column; column = column->next) { - gchar *content; - int col; - - content = xmlNodeListGetString (column->doc, column->childs, 1); - col = atoi (content); - xmlFree (content); - - if (col >= max_cols) - continue; - - e_table_header_add_column (nh, e_table_header_get_column (full_header, col), -1); - } - - return nh; -} - -static void -et_grouping_xml_to_sort_info (ETable *table, xmlNode *grouping) -{ - int i; - - g_return_if_fail (table!=NULL); - g_return_if_fail (grouping!=NULL); - - table->sort_info = e_table_sort_info_new (); - - gtk_object_ref (GTK_OBJECT (table->sort_info)); - gtk_object_sink (GTK_OBJECT (table->sort_info)); - - i = 0; - for (grouping = grouping->childs; grouping && !strcmp (grouping->name, "group"); grouping = grouping->childs) { - ETableSortColumn column; - column.column = e_xml_get_integer_prop_by_name (grouping, "column"); - column.ascending = e_xml_get_integer_prop_by_name (grouping, "ascending"); - e_table_sort_info_grouping_set_nth(table->sort_info, i++, column); - } - i = 0; - for (; grouping && !strcmp (grouping->name, "leaf"); grouping = grouping->childs) { - ETableSortColumn column; - column.column = e_xml_get_integer_prop_by_name (grouping, "column"); - column.ascending = e_xml_get_integer_prop_by_name (grouping, "ascending"); - e_table_sort_info_sorting_set_nth(table->sort_info, i++, column); - } - - table->group_info_change_id = - gtk_signal_connect (GTK_OBJECT (table->sort_info), "group_info_changed", - GTK_SIGNAL_FUNC (sort_info_changed), table); -} - -static ETable * -et_real_construct (ETable *e_table, ETableHeader *full_header, ETableModel *etm, - xmlDoc *xmlSpec) -{ - xmlNode *xmlRoot; - xmlNode *xmlColumns; - xmlNode *xmlGrouping; - int no_header; - int row = 0; - - 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; - - no_header = e_xml_get_integer_prop_by_name(xmlRoot, "no-header"); - - e_table->full_header = full_header; - gtk_object_ref (GTK_OBJECT (full_header)); - - e_table->model = etm; - gtk_object_ref (GTK_OBJECT (etm)); - - gtk_widget_push_visual (gdk_rgb_get_visual ()); - gtk_widget_push_colormap (gdk_rgb_get_cmap ()); - - e_table->header = et_xml_to_header (e_table, full_header, xmlColumns); - et_grouping_xml_to_sort_info (e_table, xmlGrouping); - - gtk_object_set(GTK_OBJECT(e_table->header), - "sort_info", e_table->sort_info, - NULL); - - if (!no_header) { - e_table_setup_header (e_table); - } - 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_AUTOMATIC, - GTK_POLICY_AUTOMATIC); - - gtk_container_add ( - GTK_CONTAINER (scrolledwindow), - GTK_WIDGET (e_table->table_canvas)); - gtk_widget_show (scrolledwindow); - - if (!no_header) { - /* - * The header - */ - gtk_table_attach ( - GTK_TABLE (e_table), GTK_WIDGET (e_table->header_canvas), - 0, 1, 0, 1, - GTK_FILL | GTK_EXPAND, - GTK_FILL, 0, 0); - row ++; - } - /* - * The body - */ - gtk_table_attach ( - GTK_TABLE (e_table), GTK_WIDGET (scrolledwindow), - 0, 1, 0 + row, 1 + row, - GTK_FILL | GTK_EXPAND, - GTK_FILL | GTK_EXPAND, 0, 0); - - gtk_widget_pop_colormap (); - gtk_widget_pop_visual (); - - return e_table; -} - -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)); - e_table = et_real_construct (e_table, full_header, etm, xmlSpec); - xmlFreeDoc (xmlSpec); - g_free (copy); - - return e_table; -} - -ETable * -e_table_construct_from_spec_file (ETable *e_table, ETableHeader *full_header, ETableModel *etm, - const char *filename) -{ - xmlDoc *xmlSpec; - - xmlSpec = xmlParseFile (filename); - e_table = et_real_construct (e_table, full_header, etm, xmlSpec); - xmlFreeDoc (xmlSpec); - - return e_table; -} - -GtkWidget * -e_table_new (ETableHeader *full_header, ETableModel *etm, const char *spec) -{ - ETable *e_table; - - e_table = gtk_type_new (e_table_get_type ()); - - e_table = e_table_construct (e_table, full_header, etm, spec); - - return GTK_WIDGET (e_table); -} - -GtkWidget * -e_table_new_from_spec_file (ETableHeader *full_header, ETableModel *etm, const char *filename) -{ - ETable *e_table; - - e_table = gtk_type_new (e_table_get_type ()); - - e_table = e_table_construct_from_spec_file (e_table, full_header, etm, filename); - - return (GtkWidget *) e_table; -} - -static xmlNode * -et_build_column_spec (ETable *e_table) -{ - xmlNode *columns_shown; - gint i; - gint col_count; - - columns_shown = xmlNewNode (NULL, "columns-shown"); - - col_count = e_table_header_count (e_table->header); - for (i = 0; i < col_count; i++){ - gchar *text = g_strdup_printf ("%d", e_table_header_index(e_table->header, i)); - xmlNewChild (columns_shown, NULL, "column", text); - g_free (text); - } - - return columns_shown; -} - -static xmlNode * -et_build_grouping_spec (ETable *e_table) -{ - xmlNode *node; - xmlNode *grouping; - int i; - 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; - - 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; - } - - 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; -} - -static xmlDoc * -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)); - - return doc; -} - -gchar * -e_table_get_specification (ETable *e_table) -{ - xmlDoc *doc; - xmlChar *buffer; - gint size; - - doc = et_build_tree (e_table); - xmlDocDumpMemory (doc, &buffer, &size); - xmlFreeDoc (doc); - - return buffer; -} - -void -e_table_save_specification (ETable *e_table, gchar *filename) -{ - xmlDoc *doc = et_build_tree (e_table); - - xmlSaveFile (filename, doc); - xmlFreeDoc (doc); -} - -void -e_table_select_row (ETable *e_table, int row) -{ - -} - -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] = - gtk_signal_new ("row_selection", - GTK_RUN_LAST, - object_class->type, - GTK_SIGNAL_OFFSET (ETableClass, row_selection), - gtk_marshal_NONE__INT_INT, - 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); - |