/* vim: set sw=8: -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */ /* * sheet-object-component.c * * Copyright (C) 2008 Jean Bréfort * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License as * published by the Free Software Foundation; either version 2 of the * License, or (at your option) any later version. * * 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 General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 * USA */ #include #include "gnumeric.h" #include "application.h" #include "commands.h" #include "gnm-pane-impl.h" #include "gui-util.h" #include "sheet-control-gui.h" #include "sheet-object-component.h" #include "sheet-object-impl.h" #include "wbc-gtk.h" #include #include #include #include #include static void so_component_view_set_bounds (SheetObjectView *sov, double const *coords, gboolean visible) { GocItem *view = GOC_ITEM (GOC_GROUP (sov)->children->data); double scale = goc_canvas_get_pixels_per_unit (view->canvas); if (visible) { GOComponent *component = sheet_object_component_get_component (sheet_object_view_get_so (sov)); double width, height; goc_item_set (GOC_ITEM (sov), "x", MIN (coords [0], coords[2]) / scale, "y", MIN (coords [3], coords[1]) / scale, NULL); if (component && ! go_component_is_resizable (component)) { go_component_get_size (component, &width, &height); goc_item_set (view, "width", width * gnm_app_display_dpi_get (TRUE), "height", height * gnm_app_display_dpi_get (FALSE), NULL); } else goc_item_set (view, "width", (fabs (coords [2] - coords [0]) + 1.) / scale, "height", (fabs (coords [3] - coords [1]) + 1.) / scale, NULL); goc_item_show (view); } else goc_item_hide (view); } typedef SheetObjectView SOComponentGocView; typedef SheetObjectViewClass SOComponentGocViewClass; static void so_component_goc_view_class_init (SheetObjectViewClass *sov_klass) { sov_klass->set_bounds = so_component_view_set_bounds; } static GSF_CLASS (SOComponentGocView, so_component_goc_view, so_component_goc_view_class_init, NULL, SHEET_OBJECT_VIEW_TYPE) /****************************************************************************/ #define SHEET_OBJECT_CONFIG_KEY "sheet-object-component-key" #define SHEET_OBJECT_COMPONENT_CLASS(k) (G_TYPE_CHECK_CLASS_CAST ((k), SHEET_OBJECT_COMPONENT_TYPE, SheetObjectComponentClass)) typedef struct { SheetObject base; GOComponent *component; guint changed_signal; } SheetObjectComponent; typedef SheetObjectClass SheetObjectComponentClass; static GObjectClass *parent_klass; static void gnm_soc_finalize (GObject *obj) { SheetObjectComponent *soc = SHEET_OBJECT_COMPONENT (obj); g_object_unref (soc->component); parent_klass->finalize (obj); } static SheetObjectView * gnm_soc_new_view (SheetObject *so, SheetObjectViewContainer *container) { GnmPane *pane = GNM_PANE (container); SheetObjectComponent *soc = SHEET_OBJECT_COMPONENT (so); GocItem *view = goc_item_new (pane->object_views, so_component_goc_view_get_type (), NULL); goc_item_hide (goc_item_new (GOC_GROUP (view), GOC_TYPE_COMPONENT, "object", soc->component, NULL)); return gnm_pane_object_register (so, view, TRUE); } static GtkTargetList * gnm_soc_get_target_list (SheetObject const *so) { GtkTargetList *tl = gtk_target_list_new (NULL, 0); char *mime_str = go_image_format_to_mime ("svg"); GSList *mimes, *ptr; mimes = go_strsplit_to_slist (mime_str, ','); for (ptr = mimes; ptr != NULL; ptr = ptr->next) { const char *mime = ptr->data; if (mime != NULL && *mime != '\0') gtk_target_list_add (tl, gdk_atom_intern (mime, FALSE), 0, 0); } g_free (mime_str); g_slist_free_full (mimes, g_free); /* No need to eliminate duplicates. */ gtk_target_list_add_image_targets (tl, 0, TRUE); return tl; } static GtkTargetList * gnm_soc_get_object_target_list (SheetObject const *so) { SheetObjectComponent *soc = SHEET_OBJECT_COMPONENT (so); GtkTargetList *tl = gtk_target_list_new (NULL, 0); if (soc && soc->component) gtk_target_list_add (tl, gdk_atom_intern (go_component_get_mime_type (soc->component), FALSE), 0, 0); return tl; } static void gnm_soc_write_image (SheetObject const *so, char const *format, double resolution, GsfOutput *output, GError **err) { SheetObjectComponent *soc = SHEET_OBJECT_COMPONENT (so); gboolean res = FALSE; double coords[4]; double w, h; if (so->sheet) { sheet_object_position_pts_get (SHEET_OBJECT (so), coords); w = fabs (coords[2] - coords[0]) + 1.; h = fabs (coords[3] - coords[1]) + 1.; } else { w = GPOINTER_TO_UINT (g_object_get_data (G_OBJECT (so), "pt-width-at-copy")); h = GPOINTER_TO_UINT (g_object_get_data (G_OBJECT (so), "pt-height-at-copy")); } g_return_if_fail (w > 0 && h > 0); res = go_component_export_image (soc->component, go_image_get_format_from_name (format), output, resolution, resolution); if (!res && err && *err == NULL) *err = g_error_new (gsf_output_error_id (), 0, _("Unknown failure while saving image")); } static void soc_cb_save_as (SheetObject *so, SheetControl *sc) { SheetObjectComponent *soc = SHEET_OBJECT_COMPONENT (so); /* FIXME: This violates model gui barrier */ WBCGtk *wbcg = scg_wbcg (SHEET_CONTROL_GUI (sc)); GtkWidget *dlg = gtk_file_chooser_dialog_new (_("Save as"), GTK_WINDOW (wbcg_toplevel (wbcg)), GTK_FILE_CHOOSER_ACTION_SAVE, GTK_STOCK_SAVE, GTK_RESPONSE_ACCEPT, GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL, NULL); GtkFileFilter *filter = gtk_file_filter_new (); gtk_file_filter_add_mime_type (filter, go_component_get_mime_type (soc->component)); gtk_file_chooser_add_filter (GTK_FILE_CHOOSER (dlg), filter); if (gtk_dialog_run (GTK_DIALOG (dlg)) == GTK_RESPONSE_ACCEPT) { char *uri = gtk_file_chooser_get_uri (GTK_FILE_CHOOSER (dlg)); GError *err = NULL; GsfOutput *output = gsf_output_gio_new_for_uri (uri, &err); if (err != NULL) go_cmd_context_error (GO_CMD_CONTEXT (wbcg), err); else { char *buf; int length; gpointer user_data = NULL; void (*clearfunc) (gpointer) = NULL; go_component_get_data (soc->component, (gpointer) &buf, &length, &clearfunc, &user_data); gsf_output_write (output, length, buf); if (clearfunc) clearfunc ((user_data)? user_data: buf); gsf_output_close (output); g_object_unref (output); } g_free (uri); } gtk_widget_destroy (dlg); } static void soc_cb_save_as_image (SheetObject *so, SheetControl *sc) { WBCGtk *wbcg; char *uri; GError *err = NULL; GsfOutput *output; GSList *l; GOImageFormat selected_format; GOImageFormatInfo const *format_info; SheetObjectComponent *soc = SHEET_OBJECT_COMPONENT (so); double resolution; g_return_if_fail (soc != NULL); /* assuming that components support the same image formats than graphs */ l = gog_graph_get_supported_image_formats (); g_return_if_fail (l != NULL); selected_format = GPOINTER_TO_UINT (l->data); /* FIXME: This violates model gui barrier */ wbcg = scg_wbcg (SHEET_CONTROL_GUI (sc)); uri = go_gui_get_image_save_info (wbcg_toplevel (wbcg), l, &selected_format, &resolution); if (!uri) goto out; output = go_file_create (uri, &err); if (!output) goto out; format_info = go_image_get_format_info (selected_format); sheet_object_write_image (so, format_info->name, resolution, output, &err); g_object_unref (output); if (err != NULL) go_cmd_context_error (GO_CMD_CONTEXT (wbcg), err); out: g_free (uri); g_slist_free (l); } static void gnm_soc_populate_menu (SheetObject *so, GPtrArray *actions) { static SheetObjectAction const soc_actions[] = { { GTK_STOCK_SAVE_AS, N_("_Save as"), NULL, 0, soc_cb_save_as }, { GTK_STOCK_SAVE_AS, N_("_Save as image"), NULL, 0, soc_cb_save_as_image } }; unsigned int i; SHEET_OBJECT_CLASS (parent_klass)->populate_menu (so, actions); for (i = 0; i < G_N_ELEMENTS (soc_actions); i++) go_ptr_array_insert (actions, (gpointer) (soc_actions + i), 1 + i); } static void gnm_soc_write_object (SheetObject const *so, char const *format, GsfOutput *output, GError **err, GnmConventions const *convs) { SheetObjectComponent *soc = SHEET_OBJECT_COMPONENT (so); char *buf; int length; gpointer user_data = NULL; void (*clearfunc) (gpointer) = NULL; go_component_get_data (soc->component, (gpointer) &buf, &length, &clearfunc, &user_data); gsf_output_write (output, length, buf); if (clearfunc) clearfunc ((user_data)? user_data: buf); } static void gnm_soc_write_xml_sax (SheetObject const *so, GsfXMLOut *output, GnmConventions const *convs) { SheetObjectComponent const *soc = SHEET_OBJECT_COMPONENT (so); go_component_write_xml_sax (soc->component, output); } static void soc_xml_finish (GOComponent *component, SheetObject *so) { sheet_object_component_set_component (so, component); } static void gnm_soc_prep_sax_parser (SheetObject *so, GsfXMLIn *xin, xmlChar const **attrs, GnmConventions const *convs) { go_component_sax_push_parser (xin, attrs, (GOComponentSaxHandler) soc_xml_finish, so); } static void gnm_soc_copy (SheetObject *dst, SheetObject const *src) { SheetObjectComponent *soc = SHEET_OBJECT_COMPONENT (src); GOComponent *component = go_component_duplicate (soc->component); sheet_object_component_set_component (dst, component); g_object_unref (component); } static void gnm_soc_default_size (SheetObject const *so, double *w, double *h) { SheetObjectComponent const *soc = SHEET_OBJECT_COMPONENT (so); if (soc->component && !go_component_is_resizable (soc->component)) { go_component_get_size (soc->component, w, h); *w = GO_IN_TO_PT (*w); *h = GO_IN_TO_PT (*h); } else { *w = GO_CM_TO_PT ((double)5); *h = GO_CM_TO_PT ((double)5); } } typedef struct { SheetObject *so; WorkbookControl *wbc; GOComponent *component; gulong signal; } gnm_soc_user_config_t; static void component_changed_cb (GOComponent *component, gnm_soc_user_config_t *data) { SheetObjectComponent *soc = SHEET_OBJECT_COMPONENT (data->so); cmd_so_component_config (data->wbc, data->so, G_OBJECT (component), G_OBJECT (soc->component)); } static void destroy_cb ( gnm_soc_user_config_t *data) { wbcg_edit_finish (WBC_GTK (data->wbc), WBC_EDIT_REJECT, NULL); go_component_set_command_context (data->component, NULL); g_object_unref (data->component); g_free (data); } static void gnm_soc_user_config (SheetObject *so, SheetControl *sc) { SheetObjectComponent *soc = SHEET_OBJECT_COMPONENT (so); GtkWidget *w; GOComponent *new_comp; g_return_if_fail (soc && soc->component); go_component_set_command_context (soc->component, GO_CMD_CONTEXT (scg_wbcg (SHEET_CONTROL_GUI (sc)))); new_comp = go_component_duplicate (soc->component); go_component_set_command_context (new_comp, GO_CMD_CONTEXT (scg_wbcg (SHEET_CONTROL_GUI (sc)))); w = (GtkWidget *) go_component_edit (new_comp); go_component_set_command_context (soc->component, NULL); if (w) { gnm_soc_user_config_t *data = g_new0 (gnm_soc_user_config_t, 1); data->so = so; data->component = new_comp; data->wbc = WORKBOOK_CONTROL (scg_wbcg (SHEET_CONTROL_GUI (sc))); data->signal = g_signal_connect (new_comp, "changed", G_CALLBACK (component_changed_cb), data); g_object_set_data_full (G_OBJECT (w), "editor", data, (GDestroyNotify) destroy_cb); wbc_gtk_attach_guru (scg_wbcg (SHEET_CONTROL_GUI (sc)), w); } } static void gnm_soc_draw_cairo (SheetObject const *so, cairo_t *cr, double width, double height) { SheetObjectComponent *soc = SHEET_OBJECT_COMPONENT (so); g_return_if_fail (soc && soc->component); go_component_render (soc->component, cr, width, height); } static void gnm_soc_class_init (GObjectClass *klass) { SheetObjectClass *so_class = SHEET_OBJECT_CLASS (klass); parent_klass = g_type_class_peek_parent (klass); /* Object class method overrides */ klass->finalize = gnm_soc_finalize; /* SheetObject class method overrides */ so_class->new_view = gnm_soc_new_view; so_class->populate_menu = gnm_soc_populate_menu; so_class->write_xml_sax = gnm_soc_write_xml_sax; so_class->prep_sax_parser = gnm_soc_prep_sax_parser; so_class->copy = gnm_soc_copy; so_class->user_config = gnm_soc_user_config; so_class->default_size = gnm_soc_default_size; so_class->draw_cairo = gnm_soc_draw_cairo; so_class->rubber_band_directly = FALSE; } static void gnm_soc_init (GObject *obj) { SheetObject *so = SHEET_OBJECT (obj); so->anchor.base.direction = GOD_ANCHOR_DIR_DOWN_RIGHT; } static void soc_imageable_init (SheetObjectImageableIface *soi_iface) { soi_iface->get_target_list = gnm_soc_get_target_list; soi_iface->write_image = gnm_soc_write_image; } static void soc_exportable_init (SheetObjectExportableIface *soe_iface) { soe_iface->get_target_list = gnm_soc_get_object_target_list; soe_iface->write_object = gnm_soc_write_object; } GSF_CLASS_FULL (SheetObjectComponent, sheet_object_component, NULL, NULL, gnm_soc_class_init,NULL, gnm_soc_init, SHEET_OBJECT_TYPE, 0, GSF_INTERFACE (soc_imageable_init, SHEET_OBJECT_IMAGEABLE_TYPE) \ GSF_INTERFACE (soc_exportable_init, SHEET_OBJECT_EXPORTABLE_TYPE)); /** * sheet_object_component_new: * @component: #GOComponent * * Returns: (transfer full): the newly allocated #SheetObject. **/ SheetObject * sheet_object_component_new (GOComponent *component) { SheetObjectComponent *soc = g_object_new (SHEET_OBJECT_COMPONENT_TYPE, NULL); sheet_object_component_set_component (SHEET_OBJECT (soc), component); return SHEET_OBJECT (soc); } /** * sheet_object_component_get_component: * @soc: #SheetObject * * Returns: (transfer none): the embedded #GOComponent or %NULL on error. **/ GOComponent* sheet_object_component_get_component (SheetObject *soc) { g_return_val_if_fail (IS_SHEET_OBJECT_COMPONENT (soc), NULL); return ((SheetObjectComponent *) soc)->component; } void sheet_object_component_set_component (SheetObject *so, GOComponent *component) { SheetObjectComponent *soc; GList *l = so->realized_list; GnmPane *pane = (l && l->data)? GNM_PANE (GOC_ITEM (l->data)->canvas): NULL; g_return_if_fail (IS_SHEET_OBJECT_COMPONENT (so)); soc = SHEET_OBJECT_COMPONENT (so); if (soc->component != NULL) { go_component_stop_editing (soc->component); g_object_unref (soc->component); } soc->component = component; for (; l; l = l->next) if (l->data) { GocGroup *group = GOC_GROUP (l->data); if (group->children->data) g_object_set (group->children->data, "object", component, NULL); } if (component) { g_object_ref (component); go_component_stop_editing (component); if (go_component_is_resizable (component)) so->flags |= SHEET_OBJECT_CAN_RESIZE; else so->flags &= ~SHEET_OBJECT_CAN_RESIZE; if (go_component_is_editable (component)) so->flags |= SHEET_OBJECT_CAN_EDIT; else so->flags &= ~SHEET_OBJECT_CAN_EDIT; if (pane != NULL && !(so->flags & SHEET_OBJECT_CAN_RESIZE)) { SheetControlGUI *scg = pane->simple.scg; double coords[4], w, h; SheetObjectAnchor anchor; /* the size must be updated */ scg_object_anchor_to_coords (scg, sheet_object_get_anchor (so), coords); coords[0] = MIN (coords [0], coords[2]); coords[1] = MIN (coords [1], coords[3]); go_component_get_size (component, &w, &h); coords[2] = coords[0] + w * gnm_app_display_dpi_get (TRUE); coords[3] = coords[1] + h * gnm_app_display_dpi_get (FALSE); scg_object_coords_to_anchor (scg, coords, &anchor); sheet_object_set_anchor (so, &anchor); } } }