/* * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2 of the License, or (at your option) version 3. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with the program; if not, see * * * Authors: * Chris Lahey * * Copyright (C) 1999-2008 Novell, Inc. (www.novell.com) * */ #ifdef HAVE_CONFIG_H #include #endif #include "e-table-group-container.h" #include #include #include #include #include "e-canvas-utils.h" #include "e-canvas.h" #include "e-table-defines.h" #include "e-table-group-leaf.h" #include "e-table-item.h" #include "e-table-sorting-utils.h" #include "e-text.h" #include "e-unicode.h" #define TITLE_HEIGHT 16 G_DEFINE_TYPE ( ETableGroupContainer, e_table_group_container, E_TYPE_TABLE_GROUP) enum { PROP_0, PROP_HEIGHT, PROP_WIDTH, PROP_MINIMUM_WIDTH, PROP_FROZEN, PROP_TABLE_ALTERNATING_ROW_COLORS, PROP_TABLE_HORIZONTAL_DRAW_GRID, PROP_TABLE_VERTICAL_DRAW_GRID, PROP_TABLE_DRAW_FOCUS, PROP_CURSOR_MODE, PROP_SELECTION_MODEL, PROP_LENGTH_THRESHOLD, PROP_UNIFORM_ROW_HEIGHT, PROP_IS_EDITING }; static EPrintable * etgc_get_printable (ETableGroup *etg); static void e_table_group_container_child_node_free (ETableGroupContainer *etgc, ETableGroupContainerChildNode *child_node) { ETableGroup *etg = E_TABLE_GROUP (etgc); ETableGroup *child = child_node->child; g_object_run_dispose (G_OBJECT (child)); e_table_model_free_value ( etg->model, etgc->ecol->spec->model_col, child_node->key); g_free (child_node->string); g_object_run_dispose (G_OBJECT (child_node->text)); g_object_run_dispose (G_OBJECT (child_node->rect)); } static void e_table_group_container_list_free (ETableGroupContainer *etgc) { ETableGroupContainerChildNode *child_node; GList *list; for (list = etgc->children; list; list = g_list_next (list)) { child_node = (ETableGroupContainerChildNode *) list->data; e_table_group_container_child_node_free (etgc, child_node); } g_list_free (etgc->children); etgc->children = NULL; } static void etgc_dispose (GObject *object) { ETableGroupContainer *etgc = E_TABLE_GROUP_CONTAINER (object); if (etgc->children) e_table_group_container_list_free (etgc); if (etgc->font_desc) pango_font_description_free (etgc->font_desc); etgc->font_desc = NULL; if (etgc->ecol) g_object_unref (etgc->ecol); etgc->ecol = NULL; if (etgc->sort_info) g_object_unref (etgc->sort_info); etgc->sort_info = NULL; if (etgc->selection_model) g_object_unref (etgc->selection_model); etgc->selection_model = NULL; if (etgc->rect) g_object_run_dispose (G_OBJECT (etgc->rect)); etgc->rect = NULL; G_OBJECT_CLASS (e_table_group_container_parent_class)->dispose (object); } /** * e_table_group_container_construct * @parent: The %GnomeCanvasGroup to create a child of. * @etgc: The %ETableGroupContainer. * @full_header: The full header of the %ETable. * @header: The current header of the %ETable. * @model: The %ETableModel of the %ETable. * @sort_info: The %ETableSortInfo of the %ETable. * @n: Which grouping level this is (Starts at 0 and sends n + 1 to any child %ETableGroups. * * This routine constructs the new %ETableGroupContainer. */ void e_table_group_container_construct (GnomeCanvasGroup *parent, ETableGroupContainer *etgc, ETableHeader *full_header, ETableHeader *header, ETableModel *model, ETableSortInfo *sort_info, gint n) { ETableColumnSpecification *spec; ETableCol *col; GtkWidget *widget; GtkStyle *style; GtkSortType sort_type; spec = e_table_sort_info_grouping_get_nth (sort_info, n, &sort_type); col = e_table_header_get_column_by_spec (full_header, spec); if (col == NULL) { gint last = e_table_header_count (full_header) - 1; col = e_table_header_get_column (full_header, last); } e_table_group_construct ( parent, E_TABLE_GROUP (etgc), full_header, header, model); etgc->ecol = g_object_ref (col); etgc->sort_info = g_object_ref (sort_info); etgc->n = n; etgc->ascending = (sort_type == GTK_SORT_ASCENDING); widget = GTK_WIDGET (GNOME_CANVAS_ITEM (etgc)->canvas); style = gtk_widget_get_style (widget); etgc->font_desc = pango_font_description_copy (style->font_desc); etgc->open = TRUE; } /** * e_table_group_container_new * @parent: The %GnomeCanvasGroup to create a child of. * @full_header: The full header of the %ETable. * @header: The current header of the %ETable. * @model: The %ETableModel of the %ETable. * @sort_info: The %ETableSortInfo of the %ETable. * @n: Which grouping level this is (Starts at 0 and sends n + 1 to any child %ETableGroups. * * %ETableGroupContainer is an %ETableGroup which groups by the nth * grouping of the %ETableSortInfo. It creates %ETableGroups as * children. * * Returns: The new %ETableGroupContainer. */ ETableGroup * e_table_group_container_new (GnomeCanvasGroup *parent, ETableHeader *full_header, ETableHeader *header, ETableModel *model, ETableSortInfo *sort_info, gint n) { ETableGroupContainer *etgc; g_return_val_if_fail (parent != NULL, NULL); etgc = g_object_new (E_TYPE_TABLE_GROUP_CONTAINER, NULL); e_table_group_container_construct ( parent, etgc, full_header, header, model, sort_info, n); return E_TABLE_GROUP (etgc); } static gint etgc_event (GnomeCanvasItem *item, GdkEvent *event) { ETableGroupContainer *etgc = E_TABLE_GROUP_CONTAINER (item); gboolean return_val = TRUE; gboolean change_focus = FALSE; gboolean use_col = FALSE; gint start_col = 0; gint old_col; EFocus direction = E_FOCUS_START; switch (event->type) { case GDK_KEY_PRESS: if (event->key.keyval == GDK_KEY_Tab || event->key.keyval == GDK_KEY_KP_Tab || event->key.keyval == GDK_KEY_ISO_Left_Tab) { change_focus = TRUE; use_col = TRUE; start_col = (event->key.state & GDK_SHIFT_MASK) ? -1 : 0; direction = (event->key.state & GDK_SHIFT_MASK) ? E_FOCUS_END : E_FOCUS_START; } else if (event->key.keyval == GDK_KEY_Left || event->key.keyval == GDK_KEY_KP_Left) { change_focus = TRUE; use_col = TRUE; start_col = -1; direction = E_FOCUS_END; } else if (event->key.keyval == GDK_KEY_Right || event->key.keyval == GDK_KEY_KP_Right) { change_focus = TRUE; use_col = TRUE; start_col = 0; direction = E_FOCUS_START; } else if (event->key.keyval == GDK_KEY_Down || event->key.keyval == GDK_KEY_KP_Down) { change_focus = TRUE; use_col = FALSE; direction = E_FOCUS_START; } else if (event->key.keyval == GDK_KEY_Up || event->key.keyval == GDK_KEY_KP_Up) { change_focus = TRUE; use_col = FALSE; direction = E_FOCUS_END; } else if (event->key.keyval == GDK_KEY_Return || event->key.keyval == GDK_KEY_KP_Enter) { change_focus = TRUE; use_col = FALSE; direction = E_FOCUS_START; } if (change_focus) { GList *list; for (list = etgc->children; list; list = list->next) { ETableGroupContainerChildNode *child_node; ETableGroup *child; child_node = (ETableGroupContainerChildNode *) list->data; child = child_node->child; if (e_table_group_get_focus (child)) { old_col = e_table_group_get_focus_column (child); if (old_col == -1) old_col = 0; if (start_col == -1) start_col = e_table_header_count (e_table_group_get_header (child)) - 1; if (direction == E_FOCUS_END) list = list->prev; else list = list->next; if (list) { child_node = (ETableGroupContainerChildNode *) list->data; child = child_node->child; if (use_col) e_table_group_set_focus (child, direction, start_col); else e_table_group_set_focus (child, direction, old_col); return 1; } else { return 0; } } } if (direction == E_FOCUS_END) list = g_list_last (etgc->children); else list = etgc->children; if (list) { ETableGroupContainerChildNode *child_node; ETableGroup *child; child_node = (ETableGroupContainerChildNode *) list->data; child = child_node->child; if (start_col == -1) start_col = e_table_header_count (e_table_group_get_header (child)) - 1; e_table_group_set_focus (child, direction, start_col); return 1; } } return_val = FALSE; break; default: return_val = FALSE; break; } if (return_val == FALSE) { if (GNOME_CANVAS_ITEM_CLASS (e_table_group_container_parent_class)->event) return GNOME_CANVAS_ITEM_CLASS (e_table_group_container_parent_class)->event (item, event); } return return_val; } /* Realize handler for the text item */ static void etgc_realize (GnomeCanvasItem *item) { ETableGroupContainer *etgc; if (GNOME_CANVAS_ITEM_CLASS (e_table_group_container_parent_class)->realize) (* GNOME_CANVAS_ITEM_CLASS (e_table_group_container_parent_class)->realize) (item); etgc = E_TABLE_GROUP_CONTAINER (item); e_canvas_item_request_reflow (GNOME_CANVAS_ITEM (etgc)); } /* Unrealize handler for the etgc item */ static void etgc_unrealize (GnomeCanvasItem *item) { if (GNOME_CANVAS_ITEM_CLASS (e_table_group_container_parent_class)->unrealize) (* GNOME_CANVAS_ITEM_CLASS (e_table_group_container_parent_class)->unrealize) (item); } static void compute_text (ETableGroupContainer *etgc, ETableGroupContainerChildNode *child_node) { gchar *text; if (etgc->ecol->text) { /* Translators: This text is used as a special row when an ETable * has turned on grouping on a column, which has set a title. * The first %s is replaced with a column title. * The second %s is replaced with an actual group value. * Finally the %d is replaced with count of items in this group. * Example: "Family name: Smith (13 items)" */ text = g_strdup_printf ( ngettext ( "%s: %s (%d item)", "%s: %s (%d items)", child_node->count), etgc->ecol->text, child_node->string, (gint) child_node->count); } else { /* Translators: This text is used as a special row when an ETable * has turned on grouping on a column, which doesn't have set a title. * The %s is replaced with an actual group value. * The %d is replaced with count of items in this group. * Example: "Smith (13 items)" */ text = g_strdup_printf ( ngettext ( "%s (%d item)", "%s (%d items)", child_node->count), child_node->string, (gint) child_node->count); } gnome_canvas_item_set ( child_node->text, "text", text, NULL); g_free (text); } static void child_cursor_change (ETableGroup *etg, gint row, ETableGroupContainer *etgc) { e_table_group_cursor_change (E_TABLE_GROUP (etgc), row); } static void child_cursor_activated (ETableGroup *etg, gint row, ETableGroupContainer *etgc) { e_table_group_cursor_activated (E_TABLE_GROUP (etgc), row); } static void child_double_click (ETableGroup *etg, gint row, gint col, GdkEvent *event, ETableGroupContainer *etgc) { e_table_group_double_click (E_TABLE_GROUP (etgc), row, col, event); } static gboolean child_right_click (ETableGroup *etg, gint row, gint col, GdkEvent *event, ETableGroupContainer *etgc) { return e_table_group_right_click (E_TABLE_GROUP (etgc), row, col, event); } static gboolean child_click (ETableGroup *etg, gint row, gint col, GdkEvent *event, ETableGroupContainer *etgc) { return e_table_group_click (E_TABLE_GROUP (etgc), row, col, event); } static gboolean child_key_press (ETableGroup *etg, gint row, gint col, GdkEvent *event, ETableGroupContainer *etgc) { return e_table_group_key_press (E_TABLE_GROUP (etgc), row, col, event); } static gboolean child_start_drag (ETableGroup *etg, gint row, gint col, GdkEvent *event, ETableGroupContainer *etgc) { return e_table_group_start_drag (E_TABLE_GROUP (etgc), row, col, event); } static ETableGroupContainerChildNode * create_child_node (ETableGroupContainer *etgc, gpointer val) { ETableGroup *child; ETableGroupContainerChildNode *child_node; ETableGroup *etg = E_TABLE_GROUP (etgc); child_node = g_new (ETableGroupContainerChildNode, 1); child_node->rect = gnome_canvas_item_new ( GNOME_CANVAS_GROUP (etgc), gnome_canvas_rect_get_type (), "fill_color", "grey70", "outline_color", "grey50", NULL); child_node->text = gnome_canvas_item_new ( GNOME_CANVAS_GROUP (etgc), e_text_get_type (), "fill_color", "black", NULL); child = e_table_group_new ( GNOME_CANVAS_GROUP (etgc), etg->full_header, etg->header, etg->model, etgc->sort_info, etgc->n + 1); gnome_canvas_item_set ( GNOME_CANVAS_ITEM (child), "alternating_row_colors", etgc->alternating_row_colors, "horizontal_draw_grid", etgc->horizontal_draw_grid, "vertical_draw_grid", etgc->vertical_draw_grid, "drawfocus", etgc->draw_focus, "cursor_mode", etgc->cursor_mode, "selection_model", etgc->selection_model, "length_threshold", etgc->length_threshold, "uniform_row_height", etgc->uniform_row_height, "minimum_width", etgc->minimum_width - GROUP_INDENT, NULL); g_signal_connect ( child, "cursor_change", G_CALLBACK (child_cursor_change), etgc); g_signal_connect ( child, "cursor_activated", G_CALLBACK (child_cursor_activated), etgc); g_signal_connect ( child, "double_click", G_CALLBACK (child_double_click), etgc); g_signal_connect ( child, "right_click", G_CALLBACK (child_right_click), etgc); g_signal_connect ( child, "click", G_CALLBACK (child_click), etgc); g_signal_connect ( child, "key_press", G_CALLBACK (child_key_press), etgc); g_signal_connect ( child, "start_drag", G_CALLBACK (child_start_drag), etgc); child_node->child = child; child_node->key = e_table_model_duplicate_value ( etg->model, etgc->ecol->spec->model_col, val); child_node->string = e_table_model_value_to_string ( etg->model, etgc->ecol->spec->model_col, val); child_node->count = 0; return child_node; } static void etgc_add (ETableGroup *etg, gint row) { ETableGroupContainer *etgc = E_TABLE_GROUP_CONTAINER (etg); GCompareDataFunc comp = etgc->ecol->compare; gpointer cmp_cache = e_table_sorting_utils_create_cmp_cache (); GList *list = etgc->children; ETableGroup *child; ETableGroupContainerChildNode *child_node; gpointer val; gint i = 0; val = e_table_model_value_at ( etg->model, etgc->ecol->spec->model_col, row); for (; list; list = g_list_next (list), i++) { gint comp_val; child_node = list->data; comp_val = (*comp)(child_node->key, val, cmp_cache); if (comp_val == 0) { e_table_sorting_utils_free_cmp_cache (cmp_cache); child = child_node->child; child_node->count++; e_table_group_add (child, row); compute_text (etgc, child_node); return; } if ((comp_val > 0 && etgc->ascending) || (comp_val < 0 && (!etgc->ascending))) break; } e_table_sorting_utils_free_cmp_cache (cmp_cache); child_node = create_child_node (etgc, val); child = child_node->child; child_node->count = 1; e_table_group_add (child, row); if (list) etgc->children = g_list_insert (etgc->children, child_node, i); else etgc->children = g_list_append (etgc->children, child_node); compute_text (etgc, child_node); e_canvas_item_request_reflow (GNOME_CANVAS_ITEM (etgc)); } static void etgc_add_array (ETableGroup *etg, const gint *array, gint count) { gint i; ETableGroupContainer *etgc = E_TABLE_GROUP_CONTAINER (etg); gpointer lastval = NULL; gint laststart = 0; GCompareDataFunc comp = etgc->ecol->compare; gpointer cmp_cache; ETableGroupContainerChildNode *child_node; ETableGroup *child; if (count <= 0) return; e_table_group_container_list_free (etgc); etgc->children = NULL; cmp_cache = e_table_sorting_utils_create_cmp_cache (); lastval = e_table_model_value_at ( etg->model, etgc->ecol->spec->model_col, array[0]); for (i = 1; i < count; i++) { gpointer val; gint comp_val; val = e_table_model_value_at ( etg->model, etgc->ecol->spec->model_col, array[i]); comp_val = (*comp)(lastval, val, cmp_cache); if (comp_val != 0) { child_node = create_child_node (etgc, lastval); child = child_node->child; e_table_group_add_array (child, array + laststart, i - laststart); child_node->count = i - laststart; etgc->children = g_list_append (etgc->children, child_node); compute_text (etgc, child_node); laststart = i; lastval = val; } } e_table_sorting_utils_free_cmp_cache (cmp_cache); child_node = create_child_node (etgc, lastval); child = child_node->child; e_table_group_add_array (child, array + laststart, i - laststart); child_node->count = i - laststart; etgc->children = g_list_append (etgc->children, child_node); compute_text (etgc, child_node); e_canvas_item_request_reflow (GNOME_CANVAS_ITEM (etgc)); } static void etgc_add_all (ETableGroup *etg) { ETableGroupContainer *etgc = E_TABLE_GROUP_CONTAINER (etg); ESorter *sorter = etgc->selection_model->sorter; gint *array; gint count; e_sorter_get_sorted_to_model_array (sorter, &array, &count); etgc_add_array (etg, array, count); } static gboolean etgc_remove (ETableGroup *etg, gint row) { ETableGroupContainer *etgc = E_TABLE_GROUP_CONTAINER (etg); GList *list; for (list = etgc->children; list; list = g_list_next (list)) { ETableGroupContainerChildNode *child_node = list->data; ETableGroup *child = child_node->child; if (e_table_group_remove (child, row)) { child_node->count--; if (child_node->count == 0) { e_table_group_container_child_node_free (etgc, child_node); etgc->children = g_list_remove (etgc->children, child_node); g_free (child_node); } else compute_text (etgc, child_node); e_canvas_item_request_reflow (GNOME_CANVAS_ITEM (etgc)); return TRUE; } } return FALSE; } static gint etgc_row_count (ETableGroup *etg) { ETableGroupContainer *etgc = E_TABLE_GROUP_CONTAINER (etg); GList *list; gint count = 0; for (list = etgc->children; list; list = g_list_next (list)) { ETableGroup *group = ((ETableGroupContainerChildNode *) list->data)->child; gint this_count = e_table_group_row_count (group); count += this_count; } return count; } static void etgc_increment (ETableGroup *etg, gint position, gint amount) { ETableGroupContainer *etgc = E_TABLE_GROUP_CONTAINER (etg); GList *list; for (list = etgc->children; list; list = g_list_next (list)) e_table_group_increment ( ((ETableGroupContainerChildNode *) list->data)->child, position, amount); } static void etgc_decrement (ETableGroup *etg, gint position, gint amount) { ETableGroupContainer *etgc = E_TABLE_GROUP_CONTAINER (etg); GList *list; for (list = etgc->children; list; list = g_list_next (list)) e_table_group_decrement ( ((ETableGroupContainerChildNode *) list->data)->child, position, amount); } static void etgc_set_focus (ETableGroup *etg, EFocus direction, gint view_col) { ETableGroupContainer *etgc = E_TABLE_GROUP_CONTAINER (etg); if (etgc->children) { if (direction == E_FOCUS_END) e_table_group_set_focus ( ((ETableGroupContainerChildNode *) g_list_last (etgc->children)->data)->child, direction, view_col); else e_table_group_set_focus ( ((ETableGroupContainerChildNode *) etgc->children->data)->child, direction, view_col); } } static gint etgc_get_focus_column (ETableGroup *etg) { ETableGroupContainer *etgc = E_TABLE_GROUP_CONTAINER (etg); if (etgc->children) { GList *list; for (list = etgc->children; list; list = list->next) { ETableGroupContainerChildNode *child_node = (ETableGroupContainerChildNode *) list->data; ETableGroup *child = child_node->child; if (e_table_group_get_focus (child)) { return e_table_group_get_focus_column (child); } } } return 0; } static void etgc_compute_location (ETableGroup *etg, gint *x, gint *y, gint *prow, gint *pcol) { ETableGroupContainer *etgc = E_TABLE_GROUP_CONTAINER (etg); gint row = -1, col = -1; *x -= GROUP_INDENT; *y -= TITLE_HEIGHT; if (*x >= 0 && *y >= 0 && etgc->children) { GList *list; for (list = etgc->children; list; list = list->next) { ETableGroupContainerChildNode *child_node = (ETableGroupContainerChildNode *) list->data; ETableGroup *child = child_node->child; e_table_group_compute_location (child, x, y, &row, &col); if (row != -1 && col != -1) break; } } if (prow) *prow = row; if (pcol) *pcol = col; } static void etgc_get_mouse_over (ETableGroup *etg, gint *row, gint *col) { ETableGroupContainer *etgc = E_TABLE_GROUP_CONTAINER (etg); if (row) *row = -1; if (col) *col = -1; if (etgc->children) { gint row_plus = 0; GList *list; for (list = etgc->children; list; list = list->next) { ETableGroupContainerChildNode *child_node = (ETableGroupContainerChildNode *) list->data; ETableGroup *child = child_node->child; e_table_group_get_mouse_over (child, row, col); if ((!row || *row != -1) && (!col || *col != -1)) { if (row) *row += row_plus; return; } row_plus += e_table_group_row_count (child); } } } static void etgc_get_cell_geometry (ETableGroup *etg, gint *row, gint *col, gint *x, gint *y, gint *width, gint *height) { ETableGroupContainer *etgc = E_TABLE_GROUP_CONTAINER (etg); gint ypos; ypos = 0; if (etgc->children) { GList *list; for (list = etgc->children; list; list = list->next) { ETableGroupContainerChildNode *child_node = (ETableGroupContainerChildNode *) list->data; ETableGroup *child = child_node->child; gint thisy; e_table_group_get_cell_geometry (child, row, col, x, &thisy, width, height); ypos += thisy; if ((*row == -1) || (*col == -1)) { ypos += TITLE_HEIGHT; *x += GROUP_INDENT; *y = ypos; return; } } } } static void etgc_thaw (ETableGroup *etg) { e_canvas_item_request_reflow (GNOME_CANVAS_ITEM (etg)); } static void etgc_set_property (GObject *object, guint property_id, const GValue *value, GParamSpec *pspec) { ETableGroup *etg = E_TABLE_GROUP (object); ETableGroupContainer *etgc = E_TABLE_GROUP_CONTAINER (object); GList *list; switch (property_id) { case PROP_FROZEN: if (g_value_get_boolean (value)) etg->frozen = TRUE; else { etg->frozen = FALSE; etgc_thaw (etg); } break; case PROP_MINIMUM_WIDTH: case PROP_WIDTH: etgc->minimum_width = g_value_get_double (value); for (list = etgc->children; list; list = g_list_next (list)) { ETableGroupContainerChildNode *child_node = (ETableGroupContainerChildNode *) list->data; g_object_set ( child_node->child, "minimum_width", etgc->minimum_width - GROUP_INDENT, NULL); } break; case PROP_LENGTH_THRESHOLD: etgc->length_threshold = g_value_get_int (value); for (list = etgc->children; list; list = g_list_next (list)) { ETableGroupContainerChildNode *child_node = (ETableGroupContainerChildNode *) list->data; g_object_set ( child_node->child, "length_threshold", etgc->length_threshold, NULL); } break; case PROP_UNIFORM_ROW_HEIGHT: etgc->uniform_row_height = g_value_get_boolean (value); for (list = etgc->children; list; list = g_list_next (list)) { ETableGroupContainerChildNode *child_node = (ETableGroupContainerChildNode *) list->data; g_object_set ( child_node->child, "uniform_row_height", etgc->uniform_row_height, NULL); } break; case PROP_SELECTION_MODEL: if (etgc->selection_model) g_object_unref (etgc->selection_model); etgc->selection_model = E_SELECTION_MODEL (g_value_get_object (value)); if (etgc->selection_model) g_object_ref (etgc->selection_model); for (list = etgc->children; list; list = g_list_next (list)) { ETableGroupContainerChildNode *child_node = (ETableGroupContainerChildNode *) list->data; g_object_set ( child_node->child, "selection_model", etgc->selection_model, NULL); } break; case PROP_TABLE_ALTERNATING_ROW_COLORS: etgc->alternating_row_colors = g_value_get_boolean (value); for (list = etgc->children; list; list = g_list_next (list)) { ETableGroupContainerChildNode *child_node = (ETableGroupContainerChildNode *) list->data; g_object_set ( child_node->child, "alternating_row_colors", etgc->alternating_row_colors, NULL); } break; case PROP_TABLE_HORIZONTAL_DRAW_GRID: etgc->horizontal_draw_grid = g_value_get_boolean (value); for (list = etgc->children; list; list = g_list_next (list)) { ETableGroupContainerChildNode *child_node = (ETableGroupContainerChildNode *) list->data; g_object_set ( child_node->child, "horizontal_draw_grid", etgc->horizontal_draw_grid, NULL); } break; case PROP_TABLE_VERTICAL_DRAW_GRID: etgc->vertical_draw_grid = g_value_get_boolean (value); for (list = etgc->children; list; list = g_list_next (list)) { ETableGroupContainerChildNode *child_node = (ETableGroupContainerChildNode *) list->data; g_object_set ( child_node->child, "vertical_draw_grid", etgc->vertical_draw_grid, NULL); } break; case PROP_TABLE_DRAW_FOCUS: etgc->draw_focus = g_value_get_boolean (value); for (list = etgc->children; list; list = g_list_next (list)) { ETableGroupContainerChildNode *child_node = (ETableGroupContainerChildNode *) list->data; g_object_set ( child_node->child, "drawfocus", etgc->draw_focus, NULL); } break; case PROP_CURSOR_MODE: etgc->cursor_mode = g_value_get_int (value); for (list = etgc->children; list; list = g_list_next (list)) { ETableGroupContainerChildNode *child_node = (ETableGroupContainerChildNode *) list->data; g_object_set ( child_node->child, "cursor_mode", etgc->cursor_mode, NULL); } break; default: break; } } static void etgc_get_property (GObject *object, guint property_id, GValue *value, GParamSpec *pspec) { ETableGroup *etg = E_TABLE_GROUP (object); ETableGroupContainer *etgc = E_TABLE_GROUP_CONTAINER (object); switch (property_id) { case PROP_FROZEN: g_value_set_boolean (value, etg->frozen); break; case PROP_HEIGHT: g_value_set_double (value, etgc->height); break; case PROP_WIDTH: g_value_set_double (value, etgc->width); break; case PROP_MINIMUM_WIDTH: g_value_set_double (value, etgc->minimum_width); break; case PROP_UNIFORM_ROW_HEIGHT: g_value_set_boolean (value, etgc->uniform_row_height); break; case PROP_IS_EDITING: g_value_set_boolean (value, e_table_group_container_is_editing (etgc)); break; default: G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec); break; } } static void e_table_group_container_class_init (ETableGroupContainerClass *class) { GnomeCanvasItemClass *item_class = GNOME_CANVAS_ITEM_CLASS (class); GObjectClass *object_class = G_OBJECT_CLASS (class); ETableGroupClass *e_group_class = E_TABLE_GROUP_CLASS (class); object_class->dispose = etgc_dispose; object_class->set_property = etgc_set_property; object_class->get_property = etgc_get_property; item_class->event = etgc_event; item_class->realize = etgc_realize; item_class->unrealize = etgc_unrealize; e_group_class->add = etgc_add; e_group_class->add_array = etgc_add_array; e_group_class->add_all = etgc_add_all; e_group_class->remove = etgc_remove; e_group_class->increment = etgc_increment; e_group_class->decrement = etgc_decrement; e_group_class->row_count = etgc_row_count; e_group_class->set_focus = etgc_set_focus; e_group_class->get_focus_column = etgc_get_focus_column; e_group_class->get_printable = etgc_get_printable; e_group_class->compute_location = etgc_compute_location; e_group_class->get_mouse_over = etgc_get_mouse_over; e_group_class->get_cell_geometry = etgc_get_cell_geometry; g_object_class_install_property ( object_class, PROP_TABLE_ALTERNATING_ROW_COLORS, g_param_spec_boolean ( "alternating_row_colors", "Alternating Row Colors", "Alternating Row Colors", FALSE, G_PARAM_WRITABLE)); g_object_class_install_property ( object_class, PROP_TABLE_HORIZONTAL_DRAW_GRID, g_param_spec_boolean ( "horizontal_draw_grid", "Horizontal Draw Grid", "Horizontal Draw Grid", FALSE, G_PARAM_WRITABLE)); g_object_class_install_property ( object_class, PROP_TABLE_VERTICAL_DRAW_GRID, g_param_spec_boolean ( "vertical_draw_grid", "Vertical Draw Grid", "Vertical Draw Grid", FALSE, G_PARAM_WRITABLE)); g_object_class_install_property ( object_class, PROP_TABLE_DRAW_FOCUS, g_param_spec_boolean ( "drawfocus", "Draw focus", "Draw focus", FALSE, G_PARAM_WRITABLE)); g_object_class_install_property ( object_class, PROP_CURSOR_MODE, g_param_spec_int ( "cursor_mode", "Cursor mode", "Cursor mode", E_CURSOR_LINE, E_CURSOR_SPREADSHEET, E_CURSOR_LINE, G_PARAM_WRITABLE)); g_object_class_install_property ( object_class, PROP_SELECTION_MODEL, g_param_spec_object ( "selection_model", "Selection model", "Selection model", E_TYPE_SELECTION_MODEL, G_PARAM_WRITABLE)); g_object_class_install_property ( object_class, PROP_LENGTH_THRESHOLD, g_param_spec_int ( "length_threshold", "Length Threshold", "Length Threshold", -1, G_MAXINT, 0, G_PARAM_READWRITE)); g_object_class_install_property ( object_class, PROP_UNIFORM_ROW_HEIGHT, g_param_spec_boolean ( "uniform_row_height", "Uniform row height", "Uniform row height", FALSE, G_PARAM_READWRITE)); g_object_class_install_property ( object_class, PROP_FROZEN, g_param_spec_boolean ( "frozen", "Frozen", "Frozen", FALSE, G_PARAM_READWRITE)); g_object_class_install_property ( object_class, PROP_HEIGHT, g_param_spec_double ( "height", "Height", "Height", 0.0, G_MAXDOUBLE, 0.0, G_PARAM_READWRITE)); g_object_class_install_property ( object_class, PROP_WIDTH, g_param_spec_double ( "width", "Width", "Width", 0.0, G_MAXDOUBLE, 0.0, G_PARAM_READWRITE)); g_object_class_install_property ( object_class, PROP_MINIMUM_WIDTH, g_param_spec_double ( "minimum_width", "Minimum width", "Minimum Width", 0.0, G_MAXDOUBLE, 0.0, G_PARAM_READWRITE)); g_object_class_override_property ( object_class, PROP_IS_EDITING, "is-editing"); } static void etgc_reflow (GnomeCanvasItem *item, gint flags) { ETableGroupContainer *etgc = E_TABLE_GROUP_CONTAINER (item); gboolean frozen; g_object_get ( etgc, "frozen", &frozen, NULL); if (frozen) return; if (item->flags & GNOME_CANVAS_ITEM_REALIZED) { gdouble running_height = 0; gdouble running_width = 0; gdouble old_height; gdouble old_width; old_height = etgc->height; old_width = etgc->width; if (etgc->children == NULL) { } else { GList *list; gdouble extra_height = 0; gdouble item_height = 0; gdouble item_width = 0; if (etgc->font_desc) { PangoContext *context; PangoFontMetrics *metrics; context = gtk_widget_get_pango_context (GTK_WIDGET (item->canvas)); metrics = pango_context_get_metrics (context, etgc->font_desc, NULL); extra_height += PANGO_PIXELS (pango_font_metrics_get_ascent (metrics)) + PANGO_PIXELS (pango_font_metrics_get_descent (metrics)) + BUTTON_PADDING * 2; pango_font_metrics_unref (metrics); } extra_height = MAX (extra_height, BUTTON_HEIGHT + BUTTON_PADDING * 2); running_height = extra_height; for (list = etgc->children; list; list = g_list_next (list)) { ETableGroupContainerChildNode *child_node = (ETableGroupContainerChildNode *) list->data; ETableGroup *child = child_node->child; g_object_get ( child, "width", &item_width, NULL); if (item_width > running_width) running_width = item_width; } for (list = etgc->children; list; list = g_list_next (list)) { ETableGroupContainerChildNode *child_node = (ETableGroupContainerChildNode *) list->data; ETableGroup *child = child_node->child; g_object_get ( child, "height", &item_height, NULL); e_canvas_item_move_absolute ( GNOME_CANVAS_ITEM (child_node->text), GROUP_INDENT, running_height - GROUP_INDENT - BUTTON_PADDING); e_canvas_item_move_absolute ( GNOME_CANVAS_ITEM (child), GROUP_INDENT, running_height); gnome_canvas_item_set ( GNOME_CANVAS_ITEM (child_node->rect), "x1", (gdouble) 0, "x2", (gdouble) running_width + GROUP_INDENT, "y1", (gdouble) running_height - extra_height, "y2", (gdouble) running_height + item_height, NULL); running_height += item_height + extra_height; } running_height -= extra_height; } if (running_height != old_height || running_width != old_width) { etgc->height = running_height; etgc->width = running_width; e_canvas_item_request_parent_reflow (item); } } } static void e_table_group_container_init (ETableGroupContainer *container) { container->children = NULL; e_canvas_item_set_reflow_callback (GNOME_CANVAS_ITEM (container), etgc_reflow); container->alternating_row_colors = 1; container->horizontal_draw_grid = 1; container->vertical_draw_grid = 1; container->draw_focus = 1; container->cursor_mode = E_CURSOR_SIMPLE; container->length_threshold = -1; container->selection_model = NULL; container->uniform_row_height = FALSE; } void e_table_group_apply_to_leafs (ETableGroup *etg, ETableGroupLeafFn fn, gpointer closure) { if (E_IS_TABLE_GROUP_CONTAINER (etg)) { ETableGroupContainer *etgc = E_TABLE_GROUP_CONTAINER (etg); GList *list; /* Protect from unrefs in the callback functions */ g_object_ref (etg); for (list = etgc->children; list; list = list->next) { ETableGroupContainerChildNode *child_node = list->data; e_table_group_apply_to_leafs (child_node->child, fn, closure); } g_object_unref (etg); } else if (E_IS_TABLE_GROUP_LEAF (etg)) { (*fn) (E_TABLE_GROUP_LEAF (etg)->item, closure); } else { g_error ( "Unknown ETableGroup found: %s", g_type_name (G_TYPE_FROM_INSTANCE (etg))); } } typedef struct { ETableGroupContainer *etgc; GList *child; EPrintable *child_printable; } ETGCPrintContext; #define CHECK(x) if((x) == -1) return -1; #if 0 static gint gp_draw_rect (GtkPrintContext *context, gdouble x, gdouble y, gdouble width, gdouble height) { cairo_t *cr; cr = gtk_print_context_get_cairo_context (context); cairo_move_to (cr, x, y); cairo_rectangle (cr, x, y, x + width, y + height); cairo_fill (cr); } #endif #define TEXT_HEIGHT (12) #define TEXT_AREA_HEIGHT (TEXT_HEIGHT + 4) static void e_table_group_container_print_page (EPrintable *ep, GtkPrintContext *context, gdouble width, gdouble height, gboolean quantize, ETGCPrintContext *groupcontext) { cairo_t *cr = NULL; GtkPageSetup *setup; gdouble yd; gdouble page_height, page_margin; gdouble child_height, child_margin = 0; ETableGroupContainerChildNode *child_node; GList *child; EPrintable *child_printable; gchar *string; PangoLayout *layout; PangoFontDescription *desc; child_printable = groupcontext->child_printable; child = groupcontext->child; setup = gtk_print_context_get_page_setup (context); page_height = gtk_page_setup_get_page_height (setup, GTK_UNIT_POINTS); page_margin = gtk_page_setup_get_bottom_margin (setup, GTK_UNIT_POINTS) + gtk_page_setup_get_top_margin (setup, GTK_UNIT_POINTS); yd = page_height - page_margin; if (child_printable) { if (child) child_node = child->data; else child_node = NULL; g_object_ref (child_printable); } else { if (!child) { return; } else { child_node = child->data; child_printable = e_table_group_get_printable (child_node->child); if (child_printable) g_object_ref (child_printable); e_printable_reset (child_printable); } } layout = gtk_print_context_create_pango_layout (context); desc = pango_font_description_new (); pango_font_description_set_family_static (desc, "Helvetica"); pango_font_description_set_size (desc, TEXT_HEIGHT); pango_layout_set_font_description (layout, desc); pango_font_description_free (desc); while (1) { child_height = e_printable_height (child_printable, context, width,yd, quantize); if (child_height < 0) child_height = -child_height; if (cr && yd < 2 * TEXT_AREA_HEIGHT + 20 + child_height) { cairo_show_page (cr); cairo_translate (cr, -2 * TEXT_AREA_HEIGHT, -TEXT_AREA_HEIGHT); break; } cr = gtk_print_context_get_cairo_context (context); cairo_save (cr); cairo_rectangle (cr, 0.0, 0.0, width, TEXT_AREA_HEIGHT); cairo_rectangle (cr, 0.0, 0.0, 2 * TEXT_AREA_HEIGHT, child_height + 2 * TEXT_AREA_HEIGHT); cairo_set_source_rgb (cr, .7, .7, .7); cairo_fill (cr); cairo_restore (cr); child_margin = TEXT_AREA_HEIGHT; cairo_save (cr); cairo_rectangle (cr, 2 * TEXT_AREA_HEIGHT, TEXT_AREA_HEIGHT, width - 2 * TEXT_AREA_HEIGHT, TEXT_AREA_HEIGHT); cairo_clip (cr); cairo_restore (cr); if (child_node) { cairo_move_to (cr, 0, 0); if (groupcontext->etgc->ecol->text) string = g_strdup_printf ( "%s : %s (%d item%s)", groupcontext->etgc->ecol->text, child_node->string, (gint) child_node->count, child_node->count == 1 ? "" : "s"); else string = g_strdup_printf ( "%s (%d item%s)", child_node->string, (gint) child_node->count, child_node->count == 1 ? "" : "s"); pango_layout_set_text (layout, string, -1); pango_cairo_show_layout (cr, layout); g_free (string); } cairo_translate (cr, 2 * TEXT_AREA_HEIGHT, TEXT_AREA_HEIGHT); cairo_move_to (cr, 0, 0); cairo_save (cr); cairo_rectangle (cr, 0, child_margin, width - 2 * TEXT_AREA_HEIGHT, child_height + child_margin + 20); cairo_clip (cr); e_printable_print_page (child_printable, context, width - 2 * TEXT_AREA_HEIGHT, child_margin, quantize); yd -= child_height + TEXT_AREA_HEIGHT; if (e_printable_data_left (child_printable)) { cairo_restore (cr); cairo_translate (cr, -2 * TEXT_AREA_HEIGHT, -TEXT_AREA_HEIGHT); break; } child = child->next; if (!child) { child_printable = NULL; break; } child_node = child->data; if (child_printable) g_object_unref (child_printable); child_printable = e_table_group_get_printable (child_node->child); cairo_restore (cr); cairo_translate (cr, -2 * TEXT_AREA_HEIGHT, child_height + child_margin + 20); if (child_printable) g_object_ref (child_printable); e_printable_reset (child_printable); } if (groupcontext->child_printable) g_object_unref (groupcontext->child_printable); groupcontext->child_printable = child_printable; groupcontext->child = child; g_object_unref (layout); } static gboolean e_table_group_container_data_left (EPrintable *ep, ETGCPrintContext *groupcontext) { g_signal_stop_emission_by_name (ep, "data_left"); return groupcontext->child != NULL; } static void e_table_group_container_reset (EPrintable *ep, ETGCPrintContext *groupcontext) { groupcontext->child = groupcontext->etgc->children; if (groupcontext->child_printable) g_object_unref (groupcontext->child_printable); groupcontext->child_printable = NULL; } static gdouble e_table_group_container_height (EPrintable *ep, GtkPrintContext *context, gdouble width, gdouble max_height, gboolean quantize, ETGCPrintContext *groupcontext) { gdouble height = 0; gdouble child_height; gdouble yd = max_height; ETableGroupContainerChildNode *child_node; GList *child; EPrintable *child_printable; child_printable = groupcontext->child_printable; child = groupcontext->child; if (child_printable) g_object_ref (child_printable); else { if (!child) { g_signal_stop_emission_by_name (ep, "height"); return 0; } else { child_node = child->data; child_printable = e_table_group_get_printable (child_node->child); if (child_printable) g_object_ref (child_printable); e_printable_reset (child_printable); } } if (yd != -1 && yd < TEXT_AREA_HEIGHT) return 0; while (1) { child_height = e_printable_height (child_printable, context, width - 36, yd - (yd == -1 ? 0 : TEXT_AREA_HEIGHT), quantize); height -= child_height + TEXT_AREA_HEIGHT; if (yd != -1) { if (!e_printable_will_fit (child_printable, context, width - 36, yd - (yd == -1 ? 0 : TEXT_AREA_HEIGHT), quantize)) { break; } yd += child_height + TEXT_AREA_HEIGHT; } child = child->next; if (!child) { break; } child_node = child->data; if (child_printable) g_object_unref (child_printable); child_printable = e_table_group_get_printable (child_node->child); if (child_printable) g_object_ref (child_printable); e_printable_reset (child_printable); } if (child_printable) g_object_unref (child_printable); g_signal_stop_emission_by_name (ep, "height"); return height; } static gboolean e_table_group_container_will_fit (EPrintable *ep, GtkPrintContext *context, gdouble width, gdouble max_height, gboolean quantize, ETGCPrintContext *groupcontext) { gboolean will_fit = TRUE; gdouble child_height; gdouble yd = max_height; ETableGroupContainerChildNode *child_node; GList *child; EPrintable *child_printable; child_printable = groupcontext->child_printable; child = groupcontext->child; if (child_printable) g_object_ref (child_printable); else { if (!child) { g_signal_stop_emission_by_name (ep, "will_fit"); return will_fit; } else { child_node = child->data; child_printable = e_table_group_get_printable (child_node->child); if (child_printable) g_object_ref (child_printable); e_printable_reset (child_printable); } } if (yd != -1 && yd < TEXT_AREA_HEIGHT) will_fit = FALSE; else { while (1) { child_height = e_printable_height (child_printable, context, width - 36, yd - (yd == -1 ? 0 : TEXT_AREA_HEIGHT), quantize); if (yd != -1) { if (!e_printable_will_fit (child_printable, context, width - 36, yd - (yd == -1 ? 0 : TEXT_AREA_HEIGHT), quantize)) { will_fit = FALSE; break; } yd += child_height + TEXT_AREA_HEIGHT; } child = child->next; if (!child) { break; } child_node = child->data; if (child_printable) g_object_unref (child_printable); child_printable = e_table_group_get_printable (child_node->child); if (child_printable) g_object_ref (child_printable); e_printable_reset (child_printable); } } if (child_printable) g_object_unref (child_printable); g_signal_stop_emission_by_name (ep, "will_fit"); return will_fit; } static void e_table_group_container_printable_destroy (gpointer data, GObject *where_object_was) { ETGCPrintContext *groupcontext = data; g_object_unref (groupcontext->etgc); if (groupcontext->child_printable) g_object_ref (groupcontext->child_printable); g_free (groupcontext); } static EPrintable * etgc_get_printable (ETableGroup *etg) { ETableGroupContainer *etgc = E_TABLE_GROUP_CONTAINER (etg); EPrintable *printable = e_printable_new (); ETGCPrintContext *groupcontext; groupcontext = g_new (ETGCPrintContext, 1); groupcontext->etgc = etgc; g_object_ref (etgc); groupcontext->child = etgc->children; groupcontext->child_printable = NULL; g_signal_connect ( printable, "print_page", G_CALLBACK (e_table_group_container_print_page), groupcontext); g_signal_connect ( printable, "data_left", G_CALLBACK (e_table_group_container_data_left), groupcontext); g_signal_connect ( printable, "reset", G_CALLBACK (e_table_group_container_reset), groupcontext); g_signal_connect ( printable, "height", G_CALLBACK (e_table_group_container_height), groupcontext); g_signal_connect ( printable, "will_fit", G_CALLBACK (e_table_group_container_will_fit), groupcontext); g_object_weak_ref ( G_OBJECT (printable), e_table_group_container_printable_destroy, groupcontext); return printable; } gboolean e_table_group_container_is_editing (ETableGroupContainer *etgc) { GList *list; g_return_val_if_fail (E_IS_TABLE_GROUP_CONTAINER (etgc), FALSE); for (list = etgc->children; list; list = g_list_next (list)) { ETableGroupContainerChildNode *child_node = (ETableGroupContainerChildNode *) list->data; if (e_table_group_is_editing (child_node->child)) { return TRUE; } } return FALSE; }