/* vim: set sw=8: -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */ /* * item-edit.c : Edit facilities for worksheets. * * (C) 1999-2004 Miguel de Icaza & Jody Goldberg * * This module provides: * * Integration of an in-sheet text editor (GtkEntry) with the Workbook * GtkEntry as a canvas item. * * * Feedback on expressions in the spreadsheet (referenced cells or * ranges are highlighted on the spreadsheet). */ #include #include "gnm-i18n.h" #include "gnumeric.h" #include "item-edit.h" #include "gnm-pane-impl.h" #include "item-cursor.h" #include "sheet-control-gui-priv.h" #include "sheet.h" #include "sheet-view.h" #include "sheet-style.h" #include "sheet-merge.h" #include "value.h" #include "ranges.h" #include "style.h" #include "style-font.h" #include "style-color.h" #include "pattern.h" #include "parse-util.h" #include "workbook.h" #include "wbc-gtk.h" #include "gui-util.h" #include "widgets/gnumeric-expr-entry.h" #define GNUMERIC_ITEM "EDIT" #include #include #include #include static GocItemClass *parent_class; struct _GnmItemEdit { GocItem item; SheetControlGUI *scg; GtkEntry *entry; /* Utility pointer to the workbook entry */ PangoLayout *layout; /* Where are we */ GnmCellPos pos; gboolean cursor_visible; guint blink_timer; int sel_start; GnmFont *gfont; GnmStyle *style; }; typedef GocItemClass GnmItemEditClass; /* The arguments we take */ enum { ARG_0, ARG_SHEET_CONTROL_GUI /* The SheetControlGUI * argument */ }; static void get_top_left (GnmItemEdit const *ie, int *top, int *left, PangoDirection dir) { GnmVAlign const align = gnm_style_get_align_v (ie->style); GocItem *item = GOC_ITEM (ie); GocCanvas *canvas = item->canvas; double l = ((goc_canvas_get_direction (canvas) == GOC_DIRECTION_LTR && dir == PANGO_DIRECTION_RTL) || (goc_canvas_get_direction (canvas) == GOC_DIRECTION_RTL && dir != PANGO_DIRECTION_RTL))? item->x1 - 1: item->x0; goc_canvas_c2w (canvas, l, item->y0, left, top); if (align == GNM_VALIGN_CENTER || align == GNM_VALIGN_DISTRIBUTED || align == GNM_VALIGN_BOTTOM) { int text_height, height = (int)(ie->item.y1 - ie->item.y0) * canvas->pixels_per_unit; pango_layout_get_pixel_size (ie->layout, NULL, &text_height); *top += (align != GNM_VALIGN_BOTTOM) ? (height - text_height)/2 : (height - text_height); } } static gboolean gnm_apply_attribute_list_cb (PangoAttribute *attribute, gpointer data) { PangoAttrList *attrs = data; if (attribute->klass->type == PANGO_ATTR_FOREGROUND) { PangoAttribute *copy = pango_attribute_copy (attribute); pango_attr_list_change (attrs, copy); } return FALSE; } static void gnm_apply_attribute_list (PangoAttrList *attrs, PangoAttrList *added_attrs) { if (added_attrs == NULL) return; pango_attr_list_unref (pango_attr_list_filter (added_attrs, gnm_apply_attribute_list_cb, attrs)); } static void item_edit_draw (GocItem const *item, cairo_t *cr) { GnmItemEdit const *ie = GNM_ITEM_EDIT (item); GtkStyleContext *context = goc_item_get_style_context (item); int top, left; GOColor color; int x0, y0, x1, y1; /* in widget coordinates */ int start, end; PangoRectangle pos, weak; char const *text = gtk_entry_get_text (ie->entry); GdkRGBA fcolor; PangoDirection dir = pango_find_base_dir (text, -1); PangoAttrList *entry_attributes = g_object_get_data(G_OBJECT (ie->entry), "gnm:range-attributes"); if (entry_attributes != NULL) { if (go_pango_attr_list_is_empty (entry_attributes)) entry_attributes = NULL; else entry_attributes = pango_attr_list_ref (entry_attributes); } get_top_left (ie, &top, &left, dir); if (goc_canvas_get_direction (item->canvas) == GOC_DIRECTION_RTL) { goc_canvas_c2w (item->canvas, item->x1, item->y0, &x0, &y0); goc_canvas_c2w (item->canvas, item->x0, item->y1, &x1, &y1); } else { goc_canvas_c2w (item->canvas, item->x0, item->y0, &x0, &y0); goc_canvas_c2w (item->canvas, item->x1, item->y1, &x1, &y1); } cairo_save (cr); cairo_rectangle (cr, x0, y0, x1 - x0, y1 - y0); /* avoid a weak/strong cursor to extend outside the item, a better fix would be to have enough room for cursors */ cairo_clip (cr); if (gnumeric_background_set (ie->style, cr, FALSE, NULL)) { cairo_rectangle (cr, x0, y0, x1 - x0, y1 - y0); cairo_fill (cr); } else { gtk_render_background (context, cr, x0, y0, x1 - x0, y1 - y0); } /* set the default color */ gtk_style_context_get_color (context, GTK_STATE_FLAG_NORMAL, &fcolor); gdk_cairo_set_source_rgba (cr, &fcolor); color = go_color_from_gdk_rgba (&fcolor, NULL); if (dir == PANGO_DIRECTION_RTL) { pango_layout_get_pixel_extents (ie->layout, NULL, &pos); left -= pos.width + GNM_COL_MARGIN / goc_canvas_get_pixels_per_unit (item->canvas); } cairo_move_to (cr, left, top); gtk_editable_get_selection_bounds (GTK_EDITABLE (ie->entry), &start, &end); if (start != end) { PangoAttribute *attr; PangoAttrList *orig = pango_attr_list_ref (pango_layout_get_attributes (ie->layout)), *attrs = pango_attr_list_copy (orig); start = g_utf8_offset_to_pointer (text, start) - text; end = g_utf8_offset_to_pointer (text, end) - text; color = gnm_style_get_back_color (ie->style)->go_color; attr = go_color_to_pango (color, FALSE); attr->start_index = start; attr->end_index = end; pango_attr_list_change (attrs, attr); color = gnm_style_get_font_color (ie->style)->go_color; attr = go_color_to_pango (color, TRUE); attr->start_index = start; attr->end_index = end; pango_attr_list_change (attrs, attr); gnm_apply_attribute_list (attrs, entry_attributes); pango_layout_set_attributes (ie->layout, attrs); pango_attr_list_unref (attrs); pango_cairo_show_layout (cr, ie->layout); pango_layout_set_attributes (ie->layout, orig); pango_attr_list_unref (orig); } else if (entry_attributes != NULL) { PangoAttrList *orig = pango_attr_list_ref (pango_layout_get_attributes (ie->layout)), *attrs = pango_attr_list_copy (orig); gnm_apply_attribute_list (attrs, entry_attributes); pango_layout_set_attributes (ie->layout, attrs); pango_attr_list_unref (attrs); pango_cairo_show_layout (cr, ie->layout); pango_layout_set_attributes (ie->layout, orig); pango_attr_list_unref (orig); } else { pango_cairo_show_layout (cr, ie->layout); } pango_attr_list_unref (entry_attributes); if (ie->cursor_visible) { int cursor_pos = gtk_editable_get_position (GTK_EDITABLE (ie->entry)); double incr = (dir == PANGO_DIRECTION_RTL)? -.5: .5, x, ytop, ybottom; pango_layout_get_cursor_pos (ie->layout, g_utf8_offset_to_pointer (text, cursor_pos) - text, &pos, &weak); cairo_set_line_width (cr, 1.); cairo_set_dash (cr, NULL, 0, 0.); cairo_set_line_cap (cr, CAIRO_LINE_CAP_BUTT); cairo_set_line_join (cr, CAIRO_LINE_JOIN_MITER); cairo_set_source_rgba (cr, GO_COLOR_TO_CAIRO (gnm_style_get_back_color (ie->style)->go_color ^ 0xffffff00)); x = left + PANGO_PIXELS (pos.x) + incr; ytop = top + PANGO_PIXELS (pos.y); ybottom = top + PANGO_PIXELS (pos.y + pos.height) - 1; cairo_move_to (cr, x, ytop); cairo_line_to (cr, x, ybottom); cairo_stroke (cr); if (weak.x != pos.x) { double w = (ybottom - ytop) / 4.; GOColor color1 = color ^ 0xffffff00; x += incr; cairo_move_to (cr, x, ybottom); cairo_line_to (cr, x + w * incr, ybottom - w / 2.); cairo_line_to (cr, x, ybottom - w); cairo_close_path (cr); cairo_fill (cr); color = GO_COLOR_INTERPOLATE (color, color1, 0.5); x = left + PANGO_PIXELS (weak.x) - incr; ytop = top + PANGO_PIXELS (weak.y); ybottom = top + PANGO_PIXELS (weak.y + weak.height) - 1; cairo_set_source_rgba (cr, GO_COLOR_TO_CAIRO (color)); cairo_move_to (cr, x, ytop); cairo_line_to (cr, x, ybottom); cairo_stroke (cr); x -= incr; cairo_move_to (cr, x, ybottom); cairo_line_to (cr, x - w * incr, ybottom - w / 2.); cairo_line_to (cr, x, ybottom - w); cairo_close_path (cr); cairo_fill (cr); } } cairo_restore (cr); } static double item_edit_distance (GocItem *item, double cx, double cy, GocItem **actual_item) { *actual_item = NULL; if ((cx < item->x0) || (cy < item->y0) || (cx >= item->x1) || (cy >= item->y1)) return 10000.0; *actual_item = item; return 0.0; } static gboolean item_edit_enter_notify (GocItem *item, G_GNUC_UNUSED double x, G_GNUC_UNUSED double y) { gnm_widget_set_cursor_type (GTK_WIDGET (item->canvas), GDK_XTERM); return TRUE; } static int item_edit_button_pressed (GocItem *item, int button, double x, double y) { if (button == 1) { GnmItemEdit *ie = GNM_ITEM_EDIT (item); GtkEditable *ed = GTK_EDITABLE (ie->entry); int target_index, trailing; char const *text = pango_layout_get_text (ie->layout); PangoDirection dir = pango_find_base_dir (text, -1); PangoRectangle pos; GocDirection cdir = goc_canvas_get_direction (item->canvas); if (cdir == GOC_DIRECTION_RTL) x = item->x1 - x - 1; else x = x - item->x0; y = y - item->y0; if (dir == PANGO_DIRECTION_RTL) { pango_layout_get_pixel_extents (ie->layout, NULL, &pos); x -= item->x1 - item->x0 - (pos.width + 2 * GNM_COL_MARGIN) / goc_canvas_get_pixels_per_unit (item->canvas); } /* the layout might be zoomed, we need to adjust x and y accordingly */ x *= goc_canvas_get_pixels_per_unit (item->canvas); y *= goc_canvas_get_pixels_per_unit (item->canvas); if (pango_layout_xy_to_index (ie->layout, x * PANGO_SCALE, y * PANGO_SCALE, &target_index, &trailing)) { int preedit = GNM_PANE (item->canvas)->preedit_length; gint cur_index = gtk_editable_get_position (ed); cur_index = g_utf8_offset_to_pointer (text, cur_index) - text; if (target_index >= cur_index && preedit > 0) { if (target_index < (cur_index + preedit)) { target_index = cur_index; trailing = 0; } else target_index -= preedit; } } else if (x < 0) { /* the click occured after text end (#388342) */ target_index = strlen (text); trailing = 0; } ie->sel_start = g_utf8_pointer_to_offset (text, text + target_index) + trailing; gtk_editable_set_position (GTK_EDITABLE (ie->entry), ie->sel_start); return TRUE; } return FALSE; } static gboolean item_edit_motion (GocItem *item, double x, double y) { GnmItemEdit *ie = GNM_ITEM_EDIT (item); if (ie->sel_start >= 0) { GtkEditable *ed = GTK_EDITABLE (ie->entry); int target_index, trailing; char const *text = pango_layout_get_text (ie->layout); PangoDirection dir = pango_find_base_dir (text, -1); PangoRectangle pos; GocDirection cdir = goc_canvas_get_direction (item->canvas); if (cdir == GOC_DIRECTION_RTL) x = item->x1 - x - 1; else x = x - item->x0; y = y - item->y0; if (dir == PANGO_DIRECTION_RTL) { pango_layout_get_pixel_extents (ie->layout, NULL, &pos); x -= item->x1 - item->x0 - (pos.width + 2 * GNM_COL_MARGIN) / goc_canvas_get_pixels_per_unit (item->canvas); } /* the layout might be zoomed, we need to adjust x and y accordingly */ x *= goc_canvas_get_pixels_per_unit (item->canvas); y *= goc_canvas_get_pixels_per_unit (item->canvas); if (pango_layout_xy_to_index (ie->layout, x * PANGO_SCALE, y * PANGO_SCALE, &target_index, &trailing)) { int preedit = GNM_PANE (item->canvas)->preedit_length; gint cur_index = gtk_editable_get_position (ed); cur_index = g_utf8_offset_to_pointer (text, cur_index) - text; if (target_index >= cur_index && preedit > 0) { if (target_index < (cur_index + preedit)) { target_index = cur_index; trailing = 0; } else target_index -= preedit; } } else { /* the click occured after text end (#388342) */ target_index = strlen (text); trailing = 0; } target_index = g_utf8_pointer_to_offset (text, text + target_index) + trailing; if (target_index > ie->sel_start) gtk_editable_select_region (GTK_EDITABLE (ie->entry), ie->sel_start, target_index); else gtk_editable_select_region (GTK_EDITABLE (ie->entry), target_index, ie->sel_start); goc_item_invalidate (item); return TRUE; } return FALSE; } static gboolean item_edit_button_released (GocItem *item, G_GNUC_UNUSED int button, G_GNUC_UNUSED double x, G_GNUC_UNUSED double y) { GnmItemEdit *ie = GNM_ITEM_EDIT (item); if (ie->sel_start >= 0) { ie->sel_start = -1; return TRUE; } return FALSE; } static void item_edit_update_bounds (GocItem *item) { GnmItemEdit *ie = GNM_ITEM_EDIT (item); double scale = item->canvas->pixels_per_unit; if (ie->gfont != NULL) { GtkWidget const *canvas = GTK_WIDGET (item->canvas); GnmPane const *pane = GNM_PANE (item->canvas); ColRowInfo const *ci; Sheet const *sheet = scg_sheet (ie->scg); GnmFont const *gfont = ie->gfont; GnmRange const *merged; int col, tmp, width, height, col_size; char const *text, *entered_text; PangoAttrList *attrs; PangoAttribute *attr; int cursor_pos = gtk_editable_get_position (GTK_EDITABLE (ie->entry)); PangoDirection dir; GocDirection cdir = goc_canvas_get_direction (item->canvas); entered_text = gtk_entry_get_text (ie->entry); text = wbcg_edit_get_display_text (scg_wbcg (ie->scg)); pango_layout_set_text (ie->layout, text, -1); dir = pango_find_base_dir (text, -1); pango_layout_set_font_description (ie->layout, gfont->go.font->desc); pango_layout_set_wrap (ie->layout, PANGO_WRAP_WORD_CHAR); pango_layout_set_width (ie->layout, (int)(item->x1 - item->x0)*PANGO_SCALE); attrs = wbcg_edit_get_markup (scg_wbcg (ie->scg), TRUE); if (attrs != NULL) attrs = pango_attr_list_copy (attrs); else attrs = gnm_style_generate_attrs_full (ie->style); /* reverse video the auto completion text */ if (entered_text != NULL && entered_text != text) { int const start = strlen (entered_text); GnmColor const *color = gnm_style_get_font_color (ie->style); attr = go_color_to_pango (color->go_color, FALSE); attr->start_index = start; attr->end_index = G_MAXINT; pango_attr_list_insert (attrs, attr); color = gnm_style_get_back_color (ie->style); attr = go_color_to_pango (color->go_color, TRUE); attr->start_index = start; attr->end_index = G_MAXINT; pango_attr_list_insert (attrs, attr); } pango_attr_list_insert_before (attrs, pango_attr_scale_new (scale)); pango_layout_set_attributes (ie->layout, attrs); pango_attr_list_unref (attrs); go_pango_translate_layout (ie->layout); if (pane->preedit_length) { PangoAttrList *tmp_attrs = pango_attr_list_new (); pango_attr_list_splice (tmp_attrs, pane->preedit_attrs, g_utf8_offset_to_pointer (text, cursor_pos) - text, g_utf8_offset_to_pointer (text, cursor_pos + pane->preedit_length) - text); pango_layout_set_attributes (ie->layout, tmp_attrs); pango_attr_list_unref (tmp_attrs); } pango_layout_set_width (ie->layout, -1); pango_layout_get_pixel_size (ie->layout, &width, &height); col = ie->pos.col; if (NULL == (merged = gnm_sheet_merge_is_corner (sheet, &ie->pos))) { ci = sheet_col_get_info (sheet, col); g_return_if_fail (ci != NULL); col_size = ci->size_pixels; } else col_size = scg_colrow_distance_get (ie->scg, TRUE, merged->start.col, merged->end.col+1); /* both margins and the gridline */ col_size -= GNM_COL_MARGIN + GNM_COL_MARGIN + 1; /* far corner based on the span size * - margin on each end * - the bound excludes the far point => +1 */ if (merged != NULL) col = merged->end.col; if ((dir == PANGO_DIRECTION_RTL && cdir == GOC_DIRECTION_RTL) || (dir != PANGO_DIRECTION_RTL && cdir == GOC_DIRECTION_LTR)) { GtkAllocation a; while (col_size < width && col <= pane->last_full.col && col < gnm_sheet_get_last_col (sheet)) { ci = sheet_col_get_info (sheet, ++col); g_return_if_fail (ci != NULL); if (ci->visible) col_size += ci->size_pixels; } gtk_widget_get_allocation (GTK_WIDGET (canvas), &a); tmp = (pane->first_offset.x + a.width) / scale; item->x1 = item->x0 + (col_size + GNM_COL_MARGIN + GNM_COL_MARGIN + 1) / scale; if (item->x1 >= tmp) { item->x1 = tmp; pango_layout_set_width (ie->layout, (item->x1 - item->x0 + 1)*PANGO_SCALE); pango_layout_get_pixel_size (ie->layout, &width, &height); } } else { item->x1 = (1 + pane->first_offset.x + scg_colrow_distance_get (ie->scg, TRUE, pane->first.col, ie->pos.col+1)) / scale; while (col_size < width && col > pane->first.col && col > 0) { ci = sheet_col_get_info (sheet, --col); g_return_if_fail (ci != NULL); if (ci->visible) col_size += ci->size_pixels; } if (col_size < width) col_size = width; tmp = pane->first_offset.x / scale; item->x0 = item->x1 - (col_size + GNM_COL_MARGIN + GNM_COL_MARGIN + 1) / scale; if (item->x0 <= tmp) { item->x0 = tmp; pango_layout_set_width (ie->layout, (item->x1 - item->x0 + 1)*PANGO_SCALE); pango_layout_get_pixel_size (ie->layout, &width, &height); } } tmp = scg_colrow_distance_get (ie->scg, FALSE, ie->pos.row, (merged ? merged->end.row : ie->pos.row) + 1) - 1; item->y1 = item->y0 + (MAX (height, tmp)) / scale; } } static int cb_entry_key_press (GocItem *item) { goc_item_bounds_changed (item); return TRUE; } static int cb_entry_cursor_event (GocItem *item) { /* ensure we draw a cursor when moving quickly no matter what the * current state is */ GNM_ITEM_EDIT (item)->cursor_visible = TRUE; goc_item_invalidate (item); return TRUE; } static int cb_item_edit_cursor_blink (GnmItemEdit *ie) { GocItem *item = GOC_ITEM (ie); ie->cursor_visible = !ie->cursor_visible; goc_item_invalidate (item); return TRUE; } static void item_edit_cursor_blink_stop (GnmItemEdit *ie) { if (ie->blink_timer != 0) { g_source_remove (ie->blink_timer); ie->blink_timer = 0; } } static void item_edit_cursor_blink_start (GnmItemEdit *ie) { gboolean blink; int blink_time; g_object_get (gtk_widget_get_settings ( GTK_WIDGET (ie->item.canvas)), "gtk-cursor-blink-time", &blink_time, "gtk-cursor-blink", &blink, NULL); if (blink) ie->blink_timer = g_timeout_add ( blink_time, (GSourceFunc) cb_item_edit_cursor_blink, ie); } static void item_edit_realize (GocItem *item) { GnmItemEdit *ie = GNM_ITEM_EDIT (item); Sheet const *sheet; GnmPane *pane; double scale; parent_class->realize (item); sheet = scg_sheet (ie->scg); g_signal_connect_object (G_OBJECT (scg_wbcg (ie->scg)), "markup-changed", G_CALLBACK (goc_item_bounds_changed), G_OBJECT (ie), G_CONNECT_SWAPPED); g_signal_connect_object (G_OBJECT (gtk_widget_get_parent (GTK_WIDGET (ie->entry))), "changed", G_CALLBACK (goc_item_bounds_changed), G_OBJECT (ie), G_CONNECT_SWAPPED); g_signal_connect_object (G_OBJECT (ie->entry), "key-press-event", G_CALLBACK (cb_entry_key_press), G_OBJECT (ie), G_CONNECT_AFTER|G_CONNECT_SWAPPED); g_signal_connect_object (G_OBJECT (ie->entry), "notify::cursor-position", G_CALLBACK (cb_entry_cursor_event), G_OBJECT (ie), G_CONNECT_AFTER|G_CONNECT_SWAPPED); pane = GNM_PANE (item->canvas); scale = item->canvas->pixels_per_unit; ie->style = gnm_style_dup (sheet_style_get (sheet, ie->pos.col, ie->pos.row)); ie->gfont = gnm_style_get_font (ie->style, gtk_widget_get_pango_context (GTK_WIDGET (pane))); gnm_font_ref (ie->gfont); if (gnm_style_get_align_h (ie->style) == GNM_HALIGN_GENERAL) gnm_style_set_align_h (ie->style, GNM_HALIGN_LEFT); /* move inwards 1 pixel from the grid line */ item->y0 = (1 + pane->first_offset.y + scg_colrow_distance_get (ie->scg, FALSE, pane->first.row, ie->pos.row)) / scale; item->x0 = (1 + pane->first_offset.x + scg_colrow_distance_get (ie->scg, TRUE, pane->first.col, ie->pos.col)) / scale; item->x1 = item->x0 + 1 / scale; item->y1 = item->y0 + 1 / scale; ie->layout = gtk_widget_create_pango_layout (GTK_WIDGET (item->canvas), NULL); pango_layout_set_alignment (ie->layout, sheet->text_is_rtl ? PANGO_ALIGN_RIGHT : PANGO_ALIGN_LEFT); item_edit_cursor_blink_start (ie); } static void item_edit_unrealize (GocItem *item) { GnmItemEdit *ie = GNM_ITEM_EDIT (item); item_edit_cursor_blink_stop (ie); /* to destroy the feedback ranges */ SCG_FOREACH_PANE (ie->scg, pane, gnm_pane_expr_cursor_stop (pane);); g_clear_object (&ie->layout); if (ie->gfont != NULL) { gnm_font_unref (ie->gfont); ie->gfont = NULL; } if (ie->style != NULL) { gnm_style_unref (ie->style); ie->style= NULL; } parent_class->unrealize (item); } static void gnm_item_edit_init (GnmItemEdit *ie) { ie->scg = NULL; ie->pos.col = -1; ie->pos.row = -1; ie->gfont = NULL; ie->style = NULL; ie->cursor_visible = TRUE; ie->sel_start = -1; ie->blink_timer = 0; } static void item_edit_set_property (GObject *gobject, guint param_id, GValue const *value, GParamSpec *pspec) { GnmItemEdit *ie = GNM_ITEM_EDIT (gobject); switch (param_id) { case ARG_SHEET_CONTROL_GUI: { /* We can only set the sheet-control-gui once */ g_return_if_fail (ie->scg == NULL); ie->scg = SHEET_CONTROL_GUI (g_value_get_object (value)); ie->pos = scg_view (ie->scg)->edit_pos; ie->entry = wbcg_get_entry (scg_wbcg (ie->scg)); break; } default: G_OBJECT_WARN_INVALID_PROPERTY_ID (gobject, param_id, pspec); return; /* NOTE : RETURN */ } } static void gnm_item_edit_class_init (GObjectClass *gobject_class) { GocItemClass *item_class = (GocItemClass *) gobject_class; parent_class = g_type_class_peek_parent (gobject_class); gobject_class->set_property = item_edit_set_property; g_object_class_install_property (gobject_class, ARG_SHEET_CONTROL_GUI, g_param_spec_object ("SheetControlGUI", P_("SheetControlGUI"), P_("The sheet control gui controlling the item"), SHEET_CONTROL_GUI_TYPE, /* resist the urge to use G_PARAM_CONSTRUCT_ONLY * We are going through goc_item_new, which * calls g_object_new assigns the parent pointer before * setting the construction parameters */ GSF_PARAM_STATIC | G_PARAM_WRITABLE)); /* GocItem method overrides */ item_class->realize = item_edit_realize; item_class->unrealize = item_edit_unrealize; item_class->draw = item_edit_draw; item_class->distance = item_edit_distance; item_class->update_bounds = item_edit_update_bounds; item_class->button_pressed = item_edit_button_pressed; item_class->enter_notify = item_edit_enter_notify; item_class->motion = item_edit_motion; item_class->button_released = item_edit_button_released; } GSF_CLASS (GnmItemEdit, gnm_item_edit, gnm_item_edit_class_init, gnm_item_edit_init, GOC_TYPE_ITEM)