1 /* PSPPIRE - a graphical user interface for PSPP.
2 Copyright (C) 2008-2015, 2016 Free Software Foundation.
4 This program is free software: you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation, either version 3 of the License, or
7 (at your option) any later version.
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
14 You should have received a copy of the GNU General Public License
15 along with this program. If not, see <http://www.gnu.org/licenses/>. */
19 #include "ui/gui/psppire-output-view.h"
25 #include "librsvg/rsvg.h"
27 #include "libpspp/assertion.h"
28 #include "libpspp/string-map.h"
29 #include "output/cairo.h"
30 #include "output/driver-provider.h"
31 #include "output/driver.h"
32 #include "output/chart-item.h"
33 #include "output/group-item.h"
34 #include "output/message-item.h"
35 #include "output/output-item.h"
36 #include "output/output-item-provider.h"
37 #include "output/table-item.h"
38 #include "output/text-item.h"
40 #include "gl/c-xvasprintf.h"
41 #include "gl/minmax.h"
42 #include "gl/tmpdir.h"
43 #include "gl/xalloc.h"
46 #define _(msgid) gettext (msgid)
48 struct output_view_item
50 struct output_item *item;
51 GtkWidget *drawing_area;
54 struct psppire_output_view
64 struct string_map render_opts;
65 GtkTreeView *overview;
66 GtkTreePath *cur_group;
70 struct output_view_item *items;
71 size_t n_items, allocated_items;
72 struct output_view_item *selected_item;
74 /* Variables pertaining to printing */
75 GtkPrintSettings *print_settings;
76 struct xr_driver *print_xrd;
84 COL_NAME, /* Table name. */
85 COL_ADDR, /* Pointer to the table */
86 COL_Y, /* Y position of top of name. */
90 /* Draws a white background on the GtkLayout to match the white background of
91 each of the output items. */
93 layout_draw_callback (GtkWidget *widget, cairo_t *cr, gpointer data)
95 int width = gtk_widget_get_allocated_width (widget);
96 int height = gtk_widget_get_allocated_height (widget);
97 GtkStyleContext *context = gtk_widget_get_style_context (widget);
98 gtk_render_background (context, cr, 0, 0, width, height);
99 return FALSE; /* Continue drawing the GtkDrawingAreas. */
103 draw_callback (GtkWidget *widget, cairo_t *cr, gpointer data)
106 if (!gdk_cairo_get_clip_rectangle (cr, &clip))
109 struct xr_rendering *r = g_object_get_data (G_OBJECT (widget), "rendering");
111 /* Draw the background based on the state of the widget
112 which can be selected or not selected */
113 GtkStyleContext *context = gtk_widget_get_style_context (widget);
114 gtk_render_background (context, cr, clip.x, clip.y,
115 clip.x + clip.width, clip.y + clip.height);
116 /* Select the default foreground color based on current style
117 and state of the widget */
118 GtkStateFlags state = gtk_widget_get_state_flags (widget);
120 gtk_style_context_get_color (context, state, &color);
121 cairo_set_source_rgba (cr, color.red, color.green, color.blue, color.alpha);
122 xr_rendering_draw (r, cr, clip.x, clip.y,
123 clip.x + clip.width, clip.y + clip.height);
129 free_rendering (gpointer rendering_)
131 struct xr_rendering *rendering = rendering_;
132 xr_rendering_destroy (rendering);
136 get_xr_options (struct psppire_output_view *view, struct string_map *options)
138 string_map_clear (options);
140 GtkStyleContext *context
141 = gtk_widget_get_style_context (GTK_WIDGET (view->output));
142 GtkStateFlags state = gtk_widget_get_state_flags (GTK_WIDGET (view->output));
144 /* Use GTK+ default font as proportional font. */
145 PangoFontDescription *font_desc;
146 gtk_style_context_get (context, state, "font", &font_desc, NULL);
147 char *font_name = pango_font_description_to_string (font_desc);
148 string_map_insert (options, "prop-font", font_name);
151 /* Derived emphasized font from proportional font. */
152 pango_font_description_set_style (font_desc, PANGO_STYLE_ITALIC);
153 font_name = pango_font_description_to_string (font_desc);
154 string_map_insert (options, "emph-font", font_name);
156 pango_font_description_free (font_desc);
158 /* Pretend that the "page" has a reasonable width and a very big length,
159 so that most tables can be conveniently viewed on-screen with vertical
160 scrolling only. (The length should not be increased very much because
161 it is already close enough to INT_MAX when expressed as thousands of a
163 string_map_insert_nocopy (options, xstrdup ("paper-size"),
164 xasprintf ("%dx1000000pt", view->render_width));
165 string_map_insert (options, "left-margin", "0");
166 string_map_insert (options, "right-margin", "0");
167 string_map_insert (options, "top-margin", "0");
168 string_map_insert (options, "bottom-margin", "0");
172 create_xr (struct psppire_output_view *view)
174 get_xr_options (view, &view->render_opts);
176 struct string_map options;
177 string_map_clone (&options, &view->render_opts);
179 GdkWindow *win = gtk_layout_get_bin_window (view->output);
180 cairo_region_t *region = gdk_window_get_visible_region (win);
181 GdkDrawingContext *ctx = gdk_window_begin_draw_frame (win, region);
182 cairo_t *cr = gdk_drawing_context_get_cairo_context (ctx);
184 view->xr = xr_driver_create (cr, &options);
185 string_map_destroy (&options);
187 struct text_item *text_item = text_item_create (TEXT_ITEM_LOG, "X");
188 struct xr_rendering *r
189 = xr_rendering_create (view->xr, text_item_super (text_item), cr);
190 xr_rendering_measure (r, NULL, &view->font_height);
191 xr_rendering_destroy (r);
192 text_item_unref (text_item);
194 gdk_window_end_draw_frame (win, ctx);
195 cairo_region_destroy (region);
198 /* Return the horizontal position to place a widget whose
199 width is CHILD_WIDTH */
201 get_xpos (const struct psppire_output_view *view, gint child_width)
203 GdkWindow *gdkw = gtk_widget_get_window (GTK_WIDGET (view->output));
204 guint w = gdk_window_get_width (gdkw);
206 g_object_get (view->output, "border-width", &gutter, NULL);
207 return (gtk_widget_get_direction (GTK_WIDGET (view->output)) == GTK_TEXT_DIR_RTL) ? w - child_width - gutter: gutter;
210 static struct output_view_item *
211 find_selected_item (struct psppire_output_view *view)
213 struct output_view_item *item = NULL;
216 if (view->items == NULL)
219 for (item = view->items; item < &view->items[view->n_items]; item++)
221 GtkWidget *widget = GTK_WIDGET (item->drawing_area);
222 if GTK_IS_WIDGET (widget)
224 GtkStateFlags state = gtk_widget_get_state_flags (widget);
225 if (state & GTK_STATE_FLAG_SELECTED)
234 set_copy_action (struct psppire_output_view *view,
237 GtkWidget *toplevel = gtk_widget_get_toplevel (GTK_WIDGET (view->output));
238 GAction *copy_action = g_action_map_lookup_action (G_ACTION_MAP (toplevel),
240 g_object_set (copy_action,
246 clear_selection (struct psppire_output_view *view)
250 struct output_view_item *item = find_selected_item (view);
253 set_copy_action (view, FALSE);
254 GtkWidget *widget = GTK_WIDGET (item->drawing_area);
255 if (GTK_IS_WIDGET (widget))
257 gtk_widget_unset_state_flags (widget, GTK_STATE_FLAG_SELECTED);
258 gtk_widget_queue_draw (widget);
263 off_item_button_press_event_cb (GtkWidget *widget,
264 GdkEventButton *event,
265 struct psppire_output_view *view)
267 clear_selection (view);
268 return FALSE; /* Forward the event */
272 button_press_event_cb (GtkWidget *widget,
273 GdkEventButton *event,
274 struct psppire_output_view *view)
276 clear_selection (view);
277 set_copy_action (view, TRUE);
278 gtk_widget_set_state_flags (widget, GTK_STATE_FLAG_SELECTED, FALSE);
279 gtk_widget_queue_draw (widget);
280 return TRUE; /* We have handled the event */
284 create_drawing_area (struct psppire_output_view *view,
285 GtkWidget *drawing_area, struct xr_rendering *r,
288 struct string_map options = STRING_MAP_INITIALIZER (options);
289 string_map_insert (&options, "transparent", "true");
290 string_map_insert (&options, "systemcolors", "true");
291 xr_rendering_apply_options (r, &options);
293 g_object_set_data_full (G_OBJECT (drawing_area),
294 "rendering", r, free_rendering);
296 g_signal_connect (drawing_area, "button-press-event",
297 G_CALLBACK (button_press_event_cb), view);
298 gtk_widget_add_events (drawing_area, GDK_BUTTON_PRESS_MASK);
299 GtkStyleContext *context = gtk_widget_get_style_context (drawing_area);
300 gtk_style_context_add_class (context,
301 GTK_STYLE_CLASS_VIEW);
302 g_signal_connect (drawing_area, "draw",
303 G_CALLBACK (draw_callback), view);
305 gtk_widget_set_size_request (drawing_area, tw, th);
306 gint xpos = get_xpos (view, tw);
308 gtk_layout_put (view->output, drawing_area, xpos, view->y);
310 gtk_widget_show (drawing_area);
314 rerender (struct psppire_output_view *view)
316 struct output_view_item *item;
317 GdkWindow *gdkw = gtk_widget_get_window (GTK_WIDGET (view->output));
319 if (!view->n_items || ! gdkw)
322 if (view->xr == NULL)
325 GdkWindow *win = gtk_layout_get_bin_window (view->output);
326 cairo_region_t *region = gdk_window_get_visible_region (win);
327 GdkDrawingContext *ctx = gdk_window_begin_draw_frame (win, region);
328 cairo_t *cr = gdk_drawing_context_get_cairo_context (ctx);
332 for (item = view->items; item < &view->items[view->n_items]; item++)
334 struct xr_rendering *r;
339 view->y += view->font_height / 2;
341 if (is_group_open_item (item->item))
344 r = xr_rendering_create (view->xr, item->item, cr);
347 g_warn_if_reached ();
351 xr_rendering_measure (r, &tw, &th);
353 gint xpos = get_xpos (view, tw);
355 if (!item->drawing_area)
357 item->drawing_area = gtk_drawing_area_new ();
358 create_drawing_area (view, item->drawing_area, r, tw, th);
362 g_object_set_data_full (G_OBJECT (item->drawing_area),
363 "rendering", r, free_rendering);
364 gtk_widget_set_size_request (item->drawing_area, tw, th);
365 gtk_layout_move (view->output, item->drawing_area, xpos, view->y);
371 /* This code probably doesn't bring us anthing, but Gtk
372 shows warnings if get_preferred_width/height is not
373 called before the size_allocate below is called. */
374 gtk_widget_get_preferred_width (item->drawing_area, &minw, NULL);
375 gtk_widget_get_preferred_height (item->drawing_area, &minh, NULL);
376 if (th > minh) th = minh;
377 if (tw > minw) tw = minw;
384 gtk_widget_size_allocate (item->drawing_area, &alloc);
386 if (view->max_width < tw)
387 view->max_width = tw;
391 gtk_layout_set_size (view->output,
392 view->max_width + view->font_height,
393 view->y + view->font_height);
395 gdk_window_end_draw_frame (win, ctx);
396 cairo_region_destroy (region);
401 psppire_output_view_put (struct psppire_output_view *view,
402 const struct output_item *item)
404 struct output_view_item *view_item;
405 GtkWidget *drawing_area;
409 if (is_group_close_item (item))
413 if (!gtk_tree_path_up (view->cur_group))
415 gtk_tree_path_free (view->cur_group);
416 view->cur_group = NULL;
421 else if (is_text_item (item))
423 const struct text_item *text_item = to_text_item (item);
424 const char *text = text_item_get_text (text_item);
429 if (view->n_items >= view->allocated_items)
430 view->items = x2nrealloc (view->items, &view->allocated_items,
431 sizeof *view->items);
432 view_item = &view->items[view->n_items++];
433 view_item->item = output_item_ref (item);
434 view_item->drawing_area = NULL;
436 GdkWindow *win = gtk_widget_get_window (GTK_WIDGET (view->output));
437 if (is_group_open_item (item))
441 view_item->drawing_area = drawing_area = gtk_drawing_area_new ();
443 if (view->xr == NULL)
446 cairo_region_t *region = gdk_window_get_visible_region (win);
447 GdkDrawingContext *ctx = gdk_window_begin_draw_frame (win, region);
448 cairo_t *cr = gdk_drawing_context_get_cairo_context (ctx);
451 view->y += view->font_height / 2;
453 struct xr_rendering *r = xr_rendering_create (view->xr, item, cr);
456 gdk_window_end_draw_frame (win, ctx);
457 cairo_region_destroy (region);
461 xr_rendering_measure (r, &tw, &th);
462 create_drawing_area (view, drawing_area, r, tw, th);
463 gdk_window_end_draw_frame (win, ctx);
464 cairo_region_destroy (region);
471 GtkTreeStore *store = GTK_TREE_STORE (
472 gtk_tree_view_get_model (view->overview));
474 ds_init_empty (&name);
476 /* Create a new node in the tree and puts a reference to it in 'iter'. */
480 && gtk_tree_path_get_depth (view->cur_group) > 0
481 && gtk_tree_model_get_iter (GTK_TREE_MODEL (store),
482 &parent, view->cur_group))
483 gtk_tree_store_append (store, &iter, &parent);
485 gtk_tree_store_append (store, &iter, NULL);
487 if (is_group_open_item (item))
489 gtk_tree_path_free (view->cur_group);
490 view->cur_group = gtk_tree_model_get_path (GTK_TREE_MODEL (store),
495 if (is_text_item (item))
497 const struct text_item *text_item = to_text_item (item);
498 ds_put_cstr (&name, text_item_type_to_string (
499 text_item_get_type (text_item)));
501 else if (is_message_item (item))
503 const struct message_item *msg_item = to_message_item (item);
504 const struct msg *msg = message_item_get_msg (msg_item);
505 ds_put_format (&name, "%s: %s", _("Message"),
506 msg_severity_to_string (msg->severity));
508 else if (is_table_item (item))
510 const struct table_item_text *title
511 = table_item_get_title (to_table_item (item));
513 ds_put_format (&name, "Table: %s", title->content);
515 ds_put_cstr (&name, "Table");
517 else if (is_chart_item (item))
519 const char *s = chart_item_get_title (to_chart_item (item));
521 ds_put_format (&name, "Chart: %s", s);
523 ds_put_cstr (&name, "Chart");
525 else if (is_group_open_item (item))
526 ds_put_cstr (&name, to_group_open_item (item)->command_name);
527 gtk_tree_store_set (store, &iter,
528 COL_NAME, ds_cstr (&name),
534 GtkTreePath *path = gtk_tree_model_get_path (
535 GTK_TREE_MODEL (store), &iter);
536 gtk_tree_view_expand_row (view->overview, path, TRUE);
537 gtk_tree_path_free (path);
540 if (view->max_width < tw)
541 view->max_width = tw;
544 gtk_layout_set_size (view->output, view->max_width, view->y);
548 on_row_activate (GtkTreeView *overview,
550 GtkTreeViewColumn *column,
551 struct psppire_output_view *view)
559 model = gtk_tree_view_get_model (overview);
560 if (!gtk_tree_model_get_iter (model, &iter, path))
563 gtk_tree_model_get_value (model, &iter, COL_Y, &value);
564 y = g_value_get_long (&value);
565 g_value_unset (&value);
567 vadj = gtk_scrollable_get_vadjustment (GTK_SCROLLABLE (view->output));
568 min = gtk_adjustment_get_lower (vadj);
569 max = gtk_adjustment_get_upper (vadj) - gtk_adjustment_get_page_size (vadj);
574 gtk_adjustment_set_value (vadj, y);
578 on_style_updated (GtkWidget *toplevel, struct psppire_output_view *view)
580 if (!view->n_items || !gtk_widget_get_window (GTK_WIDGET (view->output)))
583 /* GTK+ fires this signal for trivial changes like the mouse moving in or out
584 of the window. Check whether the actual rendering options changed and
585 re-render only if they did. */
586 struct string_map options = STRING_MAP_INITIALIZER (options);
587 get_xr_options (view, &options);
588 if (!string_map_equals (&options, &view->render_opts))
590 xr_driver_destroy (view->xr);
595 string_map_destroy (&options);
608 /* GNU Hurd doesn't have PATH_MAX. Use a fallback.
609 Temporary directory names are usually not that long. */
611 # define PATH_MAX 1024
614 /* Returns a pixbuf from a svg file */
615 /* You must unref the pixbuf after usage */
617 derive_pixbuf_from_svg (const char *filename)
620 GdkPixbuf *pixbuf = NULL;
622 RsvgHandle *handle = rsvg_handle_new_from_file (filename, &err);
625 rsvg_handle_set_dpi (handle, 300.0);
626 pixbuf = rsvg_handle_get_pixbuf (handle);
627 g_object_unref (handle);
630 pixbuf = gdk_pixbuf_new_from_file (filename, &err);
634 msg (ME, _("Could not open file %s during copy operation: %s"),
635 filename, err->message);
643 clipboard_get_cb (GtkClipboard *clipboard,
644 GtkSelectionData *selection_data,
648 struct psppire_output_view *view = data;
652 struct output_driver *driver = NULL;
653 char dirname[PATH_MAX], *filename;
654 struct string_map options;
656 if (view->selected_item == NULL)
659 if (path_search (dirname, sizeof dirname, NULL, NULL, true)
660 || mkdtemp (dirname) == NULL)
662 msg_error (errno, _("failed to create temporary directory during clipboard operation"));
665 filename = xasprintf ("%s/clip.tmp", dirname);
667 string_map_init (&options);
668 string_map_insert (&options, "output-file", filename);
672 case SELECT_FMT_UTF8:
673 string_map_insert (&options, "box", "unicode");
676 case SELECT_FMT_TEXT:
677 string_map_insert (&options, "format", "txt");
680 case SELECT_FMT_HTML:
681 string_map_insert (&options, "format", "html");
682 string_map_insert (&options, "borders", "false");
683 string_map_insert (&options, "css", "false");
692 string_map_insert (&options, "format", "odt");
696 g_warning ("unsupported clip target\n");
701 if ((info == SELECT_FMT_IMG) ||
702 (info == SELECT_FMT_SVG) )
704 GtkWidget *widget = view->selected_item->drawing_area;
705 struct xr_rendering *r = g_object_get_data (G_OBJECT (widget), "rendering");
706 xr_draw_svg_file (r, filename);
710 driver = output_driver_create (&options);
714 driver->class->submit (driver, view->selected_item->item);
716 if (driver->class->flush)
717 driver->class->flush (driver);
719 /* Some drivers (eg: the odt one) don't write anything until they
721 output_driver_destroy (driver);
725 if (info == SELECT_FMT_IMG)
727 GdkPixbuf *pixbuf = derive_pixbuf_from_svg (filename);
730 gtk_selection_data_set_pixbuf (selection_data, pixbuf);
731 g_object_unref (pixbuf);
734 else if (g_file_get_contents (filename, &text, &length, NULL))
735 gtk_selection_data_set (selection_data, gtk_selection_data_get_target (selection_data),
737 (const guchar *) text, length);
742 output_driver_destroy (driver);
752 clipboard_clear_cb (GtkClipboard *clipboard,
758 CT ( ctn1, "STRING", 0, SELECT_FMT_TEXT ) \
759 CT ( ctn2, "TEXT", 0, SELECT_FMT_TEXT ) \
760 CT ( ctn3, "COMPOUND_TEXT", 0, SELECT_FMT_TEXT ) \
761 CT ( ctn4, "text/plain", 0, SELECT_FMT_TEXT ) \
762 CT ( ctn5, "UTF8_STRING", 0, SELECT_FMT_UTF8 ) \
763 CT ( ctn6, "text/plain;charset=utf-8", 0, SELECT_FMT_UTF8 ) \
764 CT ( ctn7, "text/html", 0, SELECT_FMT_HTML ) \
765 CT ( ctn8, "image/svg+xml", 0, SELECT_FMT_SVG )
767 #define CT(ID, TARGET, FLAGS, INFO) static gchar ID[] = TARGET;
770 gchar ctnlast[] = "application/vnd.oasis.opendocument.text";
772 static const GtkTargetEntry targets[] = {
773 #define CT(ID, TARGET, FLAGS, INFO) { ID, FLAGS, INFO },
776 { ctnlast, 0, SELECT_FMT_ODT }
780 on_copy (struct psppire_output_view *view)
782 GtkWidget *widget = GTK_WIDGET (view->overview);
783 GtkClipboard *cb = gtk_widget_get_clipboard (widget, GDK_SELECTION_CLIPBOARD);
785 struct output_view_item *ov_item = find_selected_item (view);
788 view->selected_item = ov_item;
789 GtkTargetList *tl = gtk_target_list_new (targets, G_N_ELEMENTS (targets));
790 g_return_if_fail (tl);
791 if (is_table_item (ov_item->item) ||
792 is_chart_item (ov_item->item))
793 gtk_target_list_add_image_targets (tl, SELECT_FMT_IMG, TRUE);
794 gint no_of_targets = 0;
795 GtkTargetEntry *ta = gtk_target_table_new_from_list (tl, &no_of_targets);
796 g_return_if_fail (ta);
797 if (!gtk_clipboard_set_with_data (cb, ta, no_of_targets,
798 clipboard_get_cb, clipboard_clear_cb,
800 clipboard_clear_cb (cb, view);
802 gtk_target_list_unref (tl);
803 gtk_target_table_free (ta,no_of_targets);
807 on_size_allocate (GtkWidget *widget,
808 GdkRectangle *allocation,
809 struct psppire_output_view *view)
811 view->render_width = MAX (300, allocation->width);
816 on_realize (GtkWidget *overview, GObject *view)
818 GtkWidget *toplevel = gtk_widget_get_toplevel (GTK_WIDGET (overview));
820 GAction *copy_action = g_action_map_lookup_action (G_ACTION_MAP (toplevel),
823 GAction *select_all_action = g_action_map_lookup_action (G_ACTION_MAP (toplevel),
826 g_object_set (copy_action, "enabled", FALSE, NULL);
827 g_object_set (select_all_action, "enabled", FALSE, NULL);
829 g_signal_connect_swapped (copy_action, "activate",
830 G_CALLBACK (on_copy), view);
834 struct psppire_output_view *
835 psppire_output_view_new (GtkLayout *output, GtkTreeView *overview)
837 struct psppire_output_view *view;
838 GtkTreeViewColumn *column;
839 GtkCellRenderer *renderer;
843 view = xmalloc (sizeof *view);
845 view->font_height = 0;
846 view->output = output;
847 view->render_width = 0;
850 string_map_init (&view->render_opts);
851 view->overview = overview;
852 view->cur_group = NULL;
853 view->toplevel = gtk_widget_get_toplevel (GTK_WIDGET (output));
855 view->n_items = view->allocated_items = 0;
856 view->selected_item = NULL;
857 view->print_settings = NULL;
858 view->print_xrd = NULL;
859 view->print_item = 0;
860 view->print_n_pages = 0;
861 view->paginated = FALSE;
863 g_signal_connect (output, "draw", G_CALLBACK (layout_draw_callback), NULL);
865 g_signal_connect (output, "style-updated", G_CALLBACK (on_style_updated), view);
867 g_signal_connect (output, "size-allocate", G_CALLBACK (on_size_allocate), view);
869 gtk_widget_add_events (GTK_WIDGET (output), GDK_BUTTON_PRESS_MASK);
870 g_signal_connect (output, "button-press-event",
871 G_CALLBACK (off_item_button_press_event_cb), view);
873 gtk_style_context_add_class (gtk_widget_get_style_context (GTK_WIDGET (output)),
874 GTK_STYLE_CLASS_VIEW);
878 g_signal_connect (overview, "realize", G_CALLBACK (on_realize), view);
880 model = GTK_TREE_MODEL (gtk_tree_store_new (
882 G_TYPE_STRING, /* COL_NAME */
883 G_TYPE_POINTER, /* COL_ADDR */
884 G_TYPE_LONG)); /* COL_Y */
885 gtk_tree_view_set_model (overview, model);
886 g_object_unref (model);
888 column = gtk_tree_view_column_new ();
889 gtk_tree_view_append_column (GTK_TREE_VIEW (overview), column);
890 renderer = gtk_cell_renderer_text_new ();
891 gtk_tree_view_column_pack_start (column, renderer, TRUE);
892 gtk_tree_view_column_add_attribute (column, renderer, "text", COL_NAME);
894 g_signal_connect (GTK_TREE_VIEW (overview),
895 "row-activated", G_CALLBACK (on_row_activate), view);
902 psppire_output_view_destroy (struct psppire_output_view *view)
909 g_signal_handlers_disconnect_by_func (view->output,
910 G_CALLBACK (on_style_updated), view);
912 string_map_destroy (&view->render_opts);
914 for (i = 0; i < view->n_items; i++)
915 output_item_unref (view->items[i].item);
918 view->n_items = view->allocated_items = 0;
920 if (view->print_settings != NULL)
921 g_object_unref (view->print_settings);
923 xr_driver_destroy (view->xr);
926 gtk_tree_path_free (view->cur_group);
932 psppire_output_view_clear (struct psppire_output_view *view)
939 for (i = 0; i < view->n_items; i++)
941 gtk_container_remove (GTK_CONTAINER (view->output),
942 view->items[i].drawing_area);
943 output_item_unref (view->items[i].item);
947 view->n_items = view->allocated_items = 0;
953 psppire_output_view_export (struct psppire_output_view *view,
954 struct string_map *options)
956 struct output_driver *driver;
958 driver = output_driver_create (options);
963 for (i = 0; i < view->n_items; i++)
964 driver->class->submit (driver, view->items[i].item);
965 output_driver_destroy (driver);
972 get_cairo_context_from_print_context (GtkPrintContext *context)
974 cairo_t *cr = gtk_print_context_get_cairo_context (context);
977 For all platforms except windows, gtk_print_context_get_dpi_[xy] returns 72.
980 double xres = gtk_print_context_get_dpi_x (context);
981 double yres = gtk_print_context_get_dpi_y (context);
983 /* This means that the cairo context now has its dimensions in Points */
984 cairo_scale (cr, xres / 72.0, yres / 72.0);
991 create_xr_print_driver (GtkPrintContext *context, struct psppire_output_view *view)
993 struct string_map options;
994 GtkPageSetup *page_setup;
995 double width, height;
999 double bottom_margin;
1001 page_setup = gtk_print_context_get_page_setup (context);
1002 width = gtk_page_setup_get_paper_width (page_setup, GTK_UNIT_MM);
1003 height = gtk_page_setup_get_paper_height (page_setup, GTK_UNIT_MM);
1004 left_margin = gtk_page_setup_get_left_margin (page_setup, GTK_UNIT_MM);
1005 right_margin = gtk_page_setup_get_right_margin (page_setup, GTK_UNIT_MM);
1006 top_margin = gtk_page_setup_get_top_margin (page_setup, GTK_UNIT_MM);
1007 bottom_margin = gtk_page_setup_get_bottom_margin (page_setup, GTK_UNIT_MM);
1009 string_map_init (&options);
1010 string_map_insert_nocopy (&options, xstrdup ("paper-size"),
1011 c_xasprintf("%.2fx%.2fmm", width, height));
1012 string_map_insert_nocopy (&options, xstrdup ("left-margin"),
1013 c_xasprintf ("%.2fmm", left_margin));
1014 string_map_insert_nocopy (&options, xstrdup ("right-margin"),
1015 c_xasprintf ("%.2fmm", right_margin));
1016 string_map_insert_nocopy (&options, xstrdup ("top-margin"),
1017 c_xasprintf ("%.2fmm", top_margin));
1018 string_map_insert_nocopy (&options, xstrdup ("bottom-margin"),
1019 c_xasprintf ("%.2fmm", bottom_margin));
1021 view->print_xrd = xr_driver_create (get_cairo_context_from_print_context (context), &options);
1023 string_map_destroy (&options);
1027 paginate (GtkPrintOperation *operation,
1028 GtkPrintContext *context,
1029 struct psppire_output_view *view)
1031 if (view->paginated)
1033 /* Sometimes GTK+ emits this signal again even after pagination is
1034 complete. Don't let that screw up printing. */
1037 else if (view->print_item < view->n_items)
1039 xr_driver_output_item (view->print_xrd,
1040 view->items[view->print_item++].item);
1041 while (xr_driver_need_new_page (view->print_xrd))
1043 xr_driver_next_page (view->print_xrd, get_cairo_context_from_print_context (context));
1044 view->print_n_pages ++;
1050 gtk_print_operation_set_n_pages (operation, view->print_n_pages);
1052 /* Re-create the driver to do the real printing. */
1053 xr_driver_destroy (view->print_xrd);
1054 create_xr_print_driver (context, view);
1055 view->print_item = 0;
1056 view->paginated = TRUE;
1063 begin_print (GtkPrintOperation *operation,
1064 GtkPrintContext *context,
1065 struct psppire_output_view *view)
1067 create_xr_print_driver (context, view);
1069 view->print_item = 0;
1070 view->print_n_pages = 1;
1071 view->paginated = FALSE;
1075 end_print (GtkPrintOperation *operation,
1076 GtkPrintContext *context,
1077 struct psppire_output_view *view)
1079 xr_driver_destroy (view->print_xrd);
1084 draw_page (GtkPrintOperation *operation,
1085 GtkPrintContext *context,
1087 struct psppire_output_view *view)
1089 xr_driver_next_page (view->print_xrd, get_cairo_context_from_print_context (context));
1090 while (!xr_driver_need_new_page (view->print_xrd)
1091 && view->print_item < view->n_items)
1092 xr_driver_output_item (view->print_xrd, view->items [view->print_item++].item);
1097 psppire_output_view_print (struct psppire_output_view *view,
1098 GtkWindow *parent_window)
1100 GtkPrintOperationResult res;
1102 GtkPrintOperation *print = gtk_print_operation_new ();
1104 if (view->print_settings != NULL)
1105 gtk_print_operation_set_print_settings (print, view->print_settings);
1107 g_signal_connect (print, "begin_print", G_CALLBACK (begin_print), view);
1108 g_signal_connect (print, "end_print", G_CALLBACK (end_print), view);
1109 g_signal_connect (print, "paginate", G_CALLBACK (paginate), view);
1110 g_signal_connect (print, "draw_page", G_CALLBACK (draw_page), view);
1112 res = gtk_print_operation_run (print, GTK_PRINT_OPERATION_ACTION_PRINT_DIALOG,
1113 parent_window, NULL);
1115 if (res == GTK_PRINT_OPERATION_RESULT_APPLY)
1117 if (view->print_settings != NULL)
1118 g_object_unref (view->print_settings);
1119 view->print_settings = g_object_ref (gtk_print_operation_get_print_settings (print));
1122 g_object_unref (print);
1125 struct psppire_output_view_driver
1127 struct output_driver driver;
1128 struct psppire_output_view *view;
1131 static struct psppire_output_view_driver *
1132 psppire_output_view_driver_cast (struct output_driver *driver)
1134 return UP_CAST (driver, struct psppire_output_view_driver, driver);
1138 psppire_output_view_submit (struct output_driver *this,
1139 const struct output_item *item)
1141 struct psppire_output_view_driver *povd = psppire_output_view_driver_cast (this);
1143 if (is_table_item (item))
1144 psppire_output_view_put (povd->view, item);
1147 static struct output_driver_class psppire_output_view_driver_class =
1149 "PSPPIRE Output View", /* name */
1151 psppire_output_view_submit, /* submit */
1156 psppire_output_view_register_driver (struct psppire_output_view *view)
1158 struct psppire_output_view_driver *povd;
1159 struct output_driver *d;
1161 povd = xzalloc (sizeof *povd);
1164 output_driver_init (d, &psppire_output_view_driver_class, "PSPPIRE Output View",
1165 SETTINGS_DEVICE_UNFILTERED);
1166 output_driver_register (d);