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/clean-temp.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 guint buttontime; /* Time of the button event */
72 struct output_view_item *items;
73 size_t n_items, allocated_items;
74 struct output_view_item *selected_item;
76 /* Variables pertaining to printing */
77 GtkPrintSettings *print_settings;
78 struct xr_driver *print_xrd;
86 COL_NAME, /* Table name. */
87 COL_ADDR, /* Pointer to the table */
88 COL_Y, /* Y position of top of name. */
92 static GtkTargetList *build_target_list (const struct output_item *item);
93 static void clipboard_get_cb (GtkClipboard *clipboard,
94 GtkSelectionData *selection_data,
98 /* Draws a white background on the GtkLayout to match the white background of
99 each of the output items. */
101 layout_draw_callback (GtkWidget *widget, cairo_t *cr, gpointer data)
103 int width = gtk_widget_get_allocated_width (widget);
104 int height = gtk_widget_get_allocated_height (widget);
105 GtkStyleContext *context = gtk_widget_get_style_context (widget);
106 gtk_render_background (context, cr, 0, 0, width, height);
107 return FALSE; /* Continue drawing the GtkDrawingAreas. */
111 draw_callback (GtkWidget *widget, cairo_t *cr, gpointer data)
114 if (!gdk_cairo_get_clip_rectangle (cr, &clip))
117 struct xr_rendering *r = g_object_get_data (G_OBJECT (widget), "rendering");
119 /* Draw the background based on the state of the widget
120 which can be selected or not selected */
121 GtkStyleContext *context = gtk_widget_get_style_context (widget);
122 gtk_render_background (context, cr, clip.x, clip.y,
123 clip.x + clip.width, clip.y + clip.height);
124 /* Select the default foreground color based on current style
125 and state of the widget */
126 GtkStateFlags state = gtk_widget_get_state_flags (widget);
128 gtk_style_context_get_color (context, state, &color);
129 cairo_set_source_rgba (cr, color.red, color.green, color.blue, color.alpha);
130 xr_rendering_draw (r, cr, clip.x, clip.y,
131 clip.x + clip.width, clip.y + clip.height);
137 free_rendering (gpointer rendering_)
139 struct xr_rendering *rendering = rendering_;
140 xr_rendering_destroy (rendering);
144 get_xr_options (struct psppire_output_view *view, struct string_map *options)
146 string_map_clear (options);
148 GtkStyleContext *context
149 = gtk_widget_get_style_context (GTK_WIDGET (view->output));
150 GtkStateFlags state = gtk_widget_get_state_flags (GTK_WIDGET (view->output));
152 /* Use GTK+ default font as proportional font. */
153 PangoFontDescription *font_desc;
154 gtk_style_context_get (context, state, "font", &font_desc, NULL);
155 char *font_name = pango_font_description_to_string (font_desc);
156 string_map_insert (options, "prop-font", font_name);
159 /* Derived emphasized font from proportional font. */
160 pango_font_description_set_style (font_desc, PANGO_STYLE_ITALIC);
161 font_name = pango_font_description_to_string (font_desc);
162 string_map_insert (options, "emph-font", font_name);
164 pango_font_description_free (font_desc);
166 /* Pretend that the "page" has a reasonable width and a very big length,
167 so that most tables can be conveniently viewed on-screen with vertical
168 scrolling only. (The length should not be increased very much because
169 it is already close enough to INT_MAX when expressed as thousands of a
171 string_map_insert_nocopy (options, xstrdup ("paper-size"),
172 xasprintf ("%dx1000000pt", view->render_width));
173 string_map_insert (options, "left-margin", "0");
174 string_map_insert (options, "right-margin", "0");
175 string_map_insert (options, "top-margin", "0");
176 string_map_insert (options, "bottom-margin", "0");
178 string_map_insert (options, "transparent", "true");
179 string_map_insert (options, "systemcolors", "true");
183 create_xr (struct psppire_output_view *view)
185 get_xr_options (view, &view->render_opts);
187 struct string_map options;
188 string_map_clone (&options, &view->render_opts);
190 GdkWindow *win = gtk_layout_get_bin_window (view->output);
191 cairo_region_t *region = gdk_window_get_visible_region (win);
192 GdkDrawingContext *ctx = gdk_window_begin_draw_frame (win, region);
193 cairo_t *cr = gdk_drawing_context_get_cairo_context (ctx);
195 view->xr = xr_driver_create (cr, &options);
196 string_map_destroy (&options);
198 struct text_item *text_item = text_item_create (TEXT_ITEM_LOG, "X");
199 struct xr_rendering *r
200 = xr_rendering_create (view->xr, text_item_super (text_item), cr);
201 xr_rendering_measure (r, NULL, &view->font_height);
202 xr_rendering_destroy (r);
203 text_item_unref (text_item);
205 gdk_window_end_draw_frame (win, ctx);
206 cairo_region_destroy (region);
209 /* Return the horizontal position to place a widget whose
210 width is CHILD_WIDTH */
212 get_xpos (const struct psppire_output_view *view, gint child_width)
214 GdkWindow *gdkw = gtk_widget_get_window (GTK_WIDGET (view->output));
215 guint w = gdk_window_get_width (gdkw);
217 g_object_get (view->output, "border-width", &gutter, NULL);
218 return (gtk_widget_get_direction (GTK_WIDGET (view->output)) == GTK_TEXT_DIR_RTL) ? w - child_width - gutter: gutter;
221 static struct output_view_item *
222 find_selected_item (struct psppire_output_view *view)
224 struct output_view_item *item = NULL;
227 if (view->items == NULL)
230 for (item = view->items; item < &view->items[view->n_items]; item++)
232 GtkWidget *widget = GTK_WIDGET (item->drawing_area);
233 if GTK_IS_WIDGET (widget)
235 GtkStateFlags state = gtk_widget_get_state_flags (widget);
236 if (state & GTK_STATE_FLAG_SELECTED)
245 set_copy_action (struct psppire_output_view *view,
248 GtkWidget *toplevel = gtk_widget_get_toplevel (GTK_WIDGET (view->output));
249 GAction *copy_action = g_action_map_lookup_action (G_ACTION_MAP (toplevel),
251 g_object_set (copy_action,
257 clear_selection (struct psppire_output_view *view)
261 struct output_view_item *item = find_selected_item (view);
264 set_copy_action (view, FALSE);
265 GtkWidget *widget = GTK_WIDGET (item->drawing_area);
266 if (GTK_IS_WIDGET (widget))
268 gtk_widget_unset_state_flags (widget, GTK_STATE_FLAG_SELECTED);
269 gtk_widget_queue_draw (widget);
274 off_item_button_press_event_cb (GtkWidget *widget,
275 GdkEventButton *event,
276 struct psppire_output_view *view)
278 /* buttontime is set by button_press_event_cb
279 If our event->time is equal to the time from the
280 button_press_event_cb, then we handle the same event.
281 In that case we must not clear the selection because
282 it was just set by button_press_event_cb from the item */
283 if (event->time != view->buttontime)
284 clear_selection (view);
285 return FALSE; /* Forward the event -> DragNDrop */
289 button_press_event_cb (GtkWidget *widget,
290 GdkEventButton *event,
291 struct psppire_output_view *view)
293 view->buttontime = event->time;
294 clear_selection (view);
295 set_copy_action (view, TRUE);
296 gtk_widget_set_state_flags (widget, GTK_STATE_FLAG_SELECTED, FALSE);
297 gtk_widget_queue_draw (widget);
298 return FALSE; /* Forward Event -> off_item will trigger */
302 drag_data_get_cb (GtkWidget *widget, GdkDragContext *context,
303 GtkSelectionData *selection_data,
304 guint target_type, guint time,
305 struct psppire_output_view *view)
307 view->selected_item = find_selected_item (view);
308 clipboard_get_cb (NULL, selection_data, target_type, view);
312 create_drawing_area (struct psppire_output_view *view,
313 GtkWidget *drawing_area, struct xr_rendering *r,
314 int tw, int th, const struct output_item *item)
316 g_object_set_data_full (G_OBJECT (drawing_area),
317 "rendering", r, free_rendering);
318 g_signal_connect (drawing_area, "button-press-event",
319 G_CALLBACK (button_press_event_cb), view);
320 gtk_widget_add_events (drawing_area, GDK_BUTTON_PRESS_MASK);
322 { /* Drag and Drop */
323 GtkTargetList *tl = build_target_list (item);
325 gtk_drag_source_set (drawing_area, GDK_BUTTON1_MASK, NULL, 0, GDK_ACTION_COPY);
326 gtk_drag_source_set_target_list (drawing_area, tl);
327 gtk_target_list_unref (tl);
328 g_signal_connect (drawing_area, "drag-data-get",
329 G_CALLBACK (drag_data_get_cb), view);
331 GtkStyleContext *context = gtk_widget_get_style_context (drawing_area);
332 gtk_style_context_add_class (context,
333 GTK_STYLE_CLASS_VIEW);
334 g_signal_connect (drawing_area, "draw",
335 G_CALLBACK (draw_callback), view);
337 gtk_widget_set_size_request (drawing_area, tw, th);
338 gint xpos = get_xpos (view, tw);
340 gtk_layout_put (view->output, drawing_area, xpos, view->y);
342 gtk_widget_show (drawing_area);
346 rerender (struct psppire_output_view *view)
348 struct output_view_item *item;
349 GdkWindow *gdkw = gtk_widget_get_window (GTK_WIDGET (view->output));
351 if (!view->n_items || ! gdkw)
354 if (view->xr == NULL)
357 GdkWindow *win = gtk_layout_get_bin_window (view->output);
358 cairo_region_t *region = gdk_window_get_visible_region (win);
359 GdkDrawingContext *ctx = gdk_window_begin_draw_frame (win, region);
360 cairo_t *cr = gdk_drawing_context_get_cairo_context (ctx);
364 for (item = view->items; item < &view->items[view->n_items]; item++)
366 struct xr_rendering *r;
371 view->y += view->font_height / 2;
373 if (is_group_open_item (item->item))
376 r = xr_rendering_create (view->xr, item->item, cr);
379 g_warn_if_reached ();
383 xr_rendering_measure (r, &tw, &th);
385 gint xpos = get_xpos (view, tw);
387 if (!item->drawing_area)
389 item->drawing_area = gtk_drawing_area_new ();
390 create_drawing_area (view, item->drawing_area, r, tw, th, item->item);
394 g_object_set_data_full (G_OBJECT (item->drawing_area),
395 "rendering", r, free_rendering);
396 gtk_widget_set_size_request (item->drawing_area, tw, th);
397 gtk_layout_move (view->output, item->drawing_area, xpos, view->y);
403 /* This code probably doesn't bring us anthing, but Gtk
404 shows warnings if get_preferred_width/height is not
405 called before the size_allocate below is called. */
406 gtk_widget_get_preferred_width (item->drawing_area, &minw, NULL);
407 gtk_widget_get_preferred_height (item->drawing_area, &minh, NULL);
408 if (th > minh) th = minh;
409 if (tw > minw) tw = minw;
416 gtk_widget_size_allocate (item->drawing_area, &alloc);
418 if (view->max_width < tw)
419 view->max_width = tw;
423 gtk_layout_set_size (view->output,
424 view->max_width + view->font_height,
425 view->y + view->font_height);
427 gdk_window_end_draw_frame (win, ctx);
428 cairo_region_destroy (region);
433 psppire_output_view_put (struct psppire_output_view *view,
434 const struct output_item *item)
436 struct output_view_item *view_item;
437 GtkWidget *drawing_area;
441 if (is_group_close_item (item))
445 if (!gtk_tree_path_up (view->cur_group))
447 gtk_tree_path_free (view->cur_group);
448 view->cur_group = NULL;
453 else if (is_text_item (item))
455 const struct text_item *text_item = to_text_item (item);
456 const char *text = text_item_get_text (text_item);
461 if (view->n_items >= view->allocated_items)
462 view->items = x2nrealloc (view->items, &view->allocated_items,
463 sizeof *view->items);
464 view_item = &view->items[view->n_items++];
465 view_item->item = output_item_ref (item);
466 view_item->drawing_area = NULL;
468 GdkWindow *win = gtk_widget_get_window (GTK_WIDGET (view->output));
469 if (is_group_open_item (item))
473 view_item->drawing_area = drawing_area = gtk_drawing_area_new ();
475 if (view->xr == NULL)
478 cairo_region_t *region = gdk_window_get_visible_region (win);
479 GdkDrawingContext *ctx = gdk_window_begin_draw_frame (win, region);
480 cairo_t *cr = gdk_drawing_context_get_cairo_context (ctx);
483 view->y += view->font_height / 2;
485 struct xr_rendering *r = xr_rendering_create (view->xr, item, cr);
488 gdk_window_end_draw_frame (win, ctx);
489 cairo_region_destroy (region);
493 xr_rendering_measure (r, &tw, &th);
494 create_drawing_area (view, drawing_area, r, tw, th, item);
495 gdk_window_end_draw_frame (win, ctx);
496 cairo_region_destroy (region);
503 GtkTreeStore *store = GTK_TREE_STORE (
504 gtk_tree_view_get_model (view->overview));
506 ds_init_empty (&name);
508 /* Create a new node in the tree and puts a reference to it in 'iter'. */
512 && gtk_tree_path_get_depth (view->cur_group) > 0
513 && gtk_tree_model_get_iter (GTK_TREE_MODEL (store),
514 &parent, view->cur_group))
515 gtk_tree_store_append (store, &iter, &parent);
517 gtk_tree_store_append (store, &iter, NULL);
519 if (is_group_open_item (item))
521 gtk_tree_path_free (view->cur_group);
522 view->cur_group = gtk_tree_model_get_path (GTK_TREE_MODEL (store),
527 if (is_text_item (item))
529 const struct text_item *text_item = to_text_item (item);
530 ds_put_cstr (&name, text_item_type_to_string (
531 text_item_get_type (text_item)));
533 else if (is_message_item (item))
535 const struct message_item *msg_item = to_message_item (item);
536 const struct msg *msg = message_item_get_msg (msg_item);
537 ds_put_format (&name, "%s: %s", _("Message"),
538 msg_severity_to_string (msg->severity));
540 else if (is_table_item (item))
542 const struct table_item_text *title
543 = table_item_get_title (to_table_item (item));
545 ds_put_format (&name, "Table: %s", title->content);
547 ds_put_cstr (&name, "Table");
549 else if (is_chart_item (item))
551 const char *s = chart_item_get_title (to_chart_item (item));
553 ds_put_format (&name, "Chart: %s", s);
555 ds_put_cstr (&name, "Chart");
557 else if (is_group_open_item (item))
558 ds_put_cstr (&name, to_group_open_item (item)->command_name);
559 gtk_tree_store_set (store, &iter,
560 COL_NAME, ds_cstr (&name),
566 GtkTreePath *path = gtk_tree_model_get_path (
567 GTK_TREE_MODEL (store), &iter);
568 gtk_tree_view_expand_row (view->overview, path, TRUE);
569 gtk_tree_path_free (path);
572 if (view->max_width < tw)
573 view->max_width = tw;
576 gtk_layout_set_size (view->output, view->max_width, view->y);
580 on_row_activate (GtkTreeView *overview,
582 GtkTreeViewColumn *column,
583 struct psppire_output_view *view)
591 model = gtk_tree_view_get_model (overview);
592 if (!gtk_tree_model_get_iter (model, &iter, path))
595 gtk_tree_model_get_value (model, &iter, COL_Y, &value);
596 y = g_value_get_long (&value);
597 g_value_unset (&value);
599 vadj = gtk_scrollable_get_vadjustment (GTK_SCROLLABLE (view->output));
600 min = gtk_adjustment_get_lower (vadj);
601 max = gtk_adjustment_get_upper (vadj) - gtk_adjustment_get_page_size (vadj);
606 gtk_adjustment_set_value (vadj, y);
610 on_style_updated (GtkWidget *toplevel, struct psppire_output_view *view)
612 if (!view->n_items || !gtk_widget_get_window (GTK_WIDGET (view->output)))
615 /* GTK+ fires this signal for trivial changes like the mouse moving in or out
616 of the window. Check whether the actual rendering options changed and
617 re-render only if they did. */
618 struct string_map options = STRING_MAP_INITIALIZER (options);
619 get_xr_options (view, &options);
620 if (!string_map_equals (&options, &view->render_opts))
622 xr_driver_destroy (view->xr);
627 string_map_destroy (&options);
640 /* Returns a pixbuf from a svg file */
641 /* You must unref the pixbuf after usage */
643 derive_pixbuf_from_svg (const char *filename)
646 GdkPixbuf *pixbuf = NULL;
648 RsvgHandle *handle = rsvg_handle_new_from_file (filename, &err);
651 rsvg_handle_set_dpi (handle, 300.0);
652 pixbuf = rsvg_handle_get_pixbuf (handle);
653 g_object_unref (handle);
656 pixbuf = gdk_pixbuf_new_from_file (filename, &err);
660 msg (ME, _("Could not open file %s during copy operation: %s"),
661 filename, err->message);
669 clipboard_get_cb (GtkClipboard *clipboard,
670 GtkSelectionData *selection_data,
674 struct psppire_output_view *view = data;
678 struct output_driver *driver = NULL;
680 struct string_map options;
681 struct temp_dir *td = NULL;
683 if (view->selected_item == NULL)
686 td = create_temp_dir ("pspp", NULL, false);
689 msg_error (errno, _("failed to create temporary directory during clipboard operation"));
692 filename = xasprintf ("%s/clip.tmp", td->dir_name);
694 string_map_init (&options);
695 string_map_insert (&options, "output-file", filename);
699 case SELECT_FMT_UTF8:
700 string_map_insert (&options, "box", "unicode");
703 case SELECT_FMT_TEXT:
704 string_map_insert (&options, "format", "txt");
707 case SELECT_FMT_HTML:
708 string_map_insert (&options, "format", "html");
709 string_map_insert (&options, "borders", "false");
710 string_map_insert (&options, "css", "false");
719 string_map_insert (&options, "format", "odt");
723 g_warning ("unsupported clip target\n");
728 if ((info == SELECT_FMT_IMG) ||
729 (info == SELECT_FMT_SVG) )
731 GtkWidget *widget = view->selected_item->drawing_area;
732 struct xr_rendering *r = g_object_get_data (G_OBJECT (widget), "rendering");
733 xr_draw_svg_file (r, filename);
737 driver = output_driver_create (&options);
741 driver->class->submit (driver, view->selected_item->item);
743 if (driver->class->flush)
744 driver->class->flush (driver);
746 /* Some drivers (eg: the odt one) don't write anything until they
748 output_driver_destroy (driver);
752 if (info == SELECT_FMT_IMG)
754 GdkPixbuf *pixbuf = derive_pixbuf_from_svg (filename);
757 gtk_selection_data_set_pixbuf (selection_data, pixbuf);
758 g_object_unref (pixbuf);
761 else if (g_file_get_contents (filename, &text, &length, NULL))
762 gtk_selection_data_set (selection_data, gtk_selection_data_get_target (selection_data),
764 (const guchar *) text, length);
769 output_driver_destroy (driver);
775 cleanup_temp_dir (td);
779 clipboard_clear_cb (GtkClipboard *clipboard,
785 CT ( ctn1, "STRING", 0, SELECT_FMT_TEXT ) \
786 CT ( ctn2, "TEXT", 0, SELECT_FMT_TEXT ) \
787 CT ( ctn3, "COMPOUND_TEXT", 0, SELECT_FMT_TEXT ) \
788 CT ( ctn4, "text/plain", 0, SELECT_FMT_TEXT ) \
789 CT ( ctn5, "UTF8_STRING", 0, SELECT_FMT_UTF8 ) \
790 CT ( ctn6, "text/plain;charset=utf-8", 0, SELECT_FMT_UTF8 ) \
791 CT ( ctn7, "text/html", 0, SELECT_FMT_HTML ) \
792 CT ( ctn8, "image/svg+xml", 0, SELECT_FMT_SVG )
794 #define CT(ID, TARGET, FLAGS, INFO) static gchar ID[] = TARGET;
797 static gchar ctnlast[] = "application/vnd.oasis.opendocument.text";
799 static const GtkTargetEntry targets[] = {
800 #define CT(ID, TARGET, FLAGS, INFO) { ID, FLAGS, INFO },
803 { ctnlast, 0, SELECT_FMT_ODT }
806 static GtkTargetList *
807 build_target_list (const struct output_item *item)
809 GtkTargetList *tl = gtk_target_list_new (targets, G_N_ELEMENTS (targets));
810 g_return_val_if_fail (tl, NULL);
811 if (is_table_item (item) ||
812 is_chart_item (item))
813 gtk_target_list_add_image_targets (tl, SELECT_FMT_IMG, TRUE);
818 on_copy (struct psppire_output_view *view)
820 GtkWidget *widget = GTK_WIDGET (view->overview);
821 GtkClipboard *cb = gtk_widget_get_clipboard (widget, GDK_SELECTION_CLIPBOARD);
823 struct output_view_item *ov_item = find_selected_item (view);
826 view->selected_item = ov_item;
827 GtkTargetList *tl = build_target_list (ov_item->item);
828 g_return_if_fail (tl);
829 gint no_of_targets = 0;
830 GtkTargetEntry *ta = gtk_target_table_new_from_list (tl, &no_of_targets);
831 g_return_if_fail (ta);
832 if (!gtk_clipboard_set_with_data (cb, ta, no_of_targets,
833 clipboard_get_cb, clipboard_clear_cb,
835 clipboard_clear_cb (cb, view);
837 gtk_target_list_unref (tl);
838 gtk_target_table_free (ta,no_of_targets);
842 on_size_allocate (GtkWidget *widget,
843 GdkRectangle *allocation,
844 struct psppire_output_view *view)
846 view->render_width = MAX (300, allocation->width);
851 on_realize (GtkWidget *overview, GObject *view)
853 GtkWidget *toplevel = gtk_widget_get_toplevel (GTK_WIDGET (overview));
855 GAction *copy_action = g_action_map_lookup_action (G_ACTION_MAP (toplevel),
858 GAction *select_all_action = g_action_map_lookup_action (G_ACTION_MAP (toplevel),
861 g_object_set (copy_action, "enabled", FALSE, NULL);
862 g_object_set (select_all_action, "enabled", FALSE, NULL);
864 g_signal_connect_swapped (copy_action, "activate",
865 G_CALLBACK (on_copy), view);
869 struct psppire_output_view *
870 psppire_output_view_new (GtkLayout *output, GtkTreeView *overview)
872 struct psppire_output_view *view;
873 GtkTreeViewColumn *column;
874 GtkCellRenderer *renderer;
878 view = xmalloc (sizeof *view);
880 view->font_height = 0;
881 view->output = output;
882 view->render_width = 0;
885 string_map_init (&view->render_opts);
886 view->overview = overview;
887 view->cur_group = NULL;
888 view->toplevel = gtk_widget_get_toplevel (GTK_WIDGET (output));
889 view->buttontime = 0;
891 view->n_items = view->allocated_items = 0;
892 view->selected_item = NULL;
893 view->print_settings = NULL;
894 view->print_xrd = NULL;
895 view->print_item = 0;
896 view->print_n_pages = 0;
897 view->paginated = FALSE;
899 g_signal_connect (output, "draw", G_CALLBACK (layout_draw_callback), NULL);
901 g_signal_connect (output, "style-updated", G_CALLBACK (on_style_updated), view);
903 g_signal_connect (output, "size-allocate", G_CALLBACK (on_size_allocate), view);
905 gtk_widget_add_events (GTK_WIDGET (output), GDK_BUTTON_PRESS_MASK);
906 g_signal_connect (output, "button-press-event",
907 G_CALLBACK (off_item_button_press_event_cb), view);
909 gtk_style_context_add_class (gtk_widget_get_style_context (GTK_WIDGET (output)),
910 GTK_STYLE_CLASS_VIEW);
914 g_signal_connect (overview, "realize", G_CALLBACK (on_realize), view);
916 model = GTK_TREE_MODEL (gtk_tree_store_new (
918 G_TYPE_STRING, /* COL_NAME */
919 G_TYPE_POINTER, /* COL_ADDR */
920 G_TYPE_LONG)); /* COL_Y */
921 gtk_tree_view_set_model (overview, model);
922 g_object_unref (model);
924 column = gtk_tree_view_column_new ();
925 gtk_tree_view_append_column (GTK_TREE_VIEW (overview), column);
926 renderer = gtk_cell_renderer_text_new ();
927 gtk_tree_view_column_pack_start (column, renderer, TRUE);
928 gtk_tree_view_column_add_attribute (column, renderer, "text", COL_NAME);
930 g_signal_connect (GTK_TREE_VIEW (overview),
931 "row-activated", G_CALLBACK (on_row_activate), view);
938 psppire_output_view_destroy (struct psppire_output_view *view)
945 g_signal_handlers_disconnect_by_func (view->output,
946 G_CALLBACK (on_style_updated), view);
948 string_map_destroy (&view->render_opts);
950 for (i = 0; i < view->n_items; i++)
951 output_item_unref (view->items[i].item);
954 view->n_items = view->allocated_items = 0;
956 if (view->print_settings != NULL)
957 g_object_unref (view->print_settings);
959 xr_driver_destroy (view->xr);
962 gtk_tree_path_free (view->cur_group);
968 psppire_output_view_clear (struct psppire_output_view *view)
975 for (i = 0; i < view->n_items; i++)
977 gtk_container_remove (GTK_CONTAINER (view->output),
978 view->items[i].drawing_area);
979 output_item_unref (view->items[i].item);
983 view->n_items = view->allocated_items = 0;
989 psppire_output_view_export (struct psppire_output_view *view,
990 struct string_map *options)
992 struct output_driver *driver;
994 driver = output_driver_create (options);
999 for (i = 0; i < view->n_items; i++)
1000 driver->class->submit (driver, view->items[i].item);
1001 output_driver_destroy (driver);
1008 get_cairo_context_from_print_context (GtkPrintContext *context)
1010 cairo_t *cr = gtk_print_context_get_cairo_context (context);
1013 For all platforms except windows, gtk_print_context_get_dpi_[xy] returns 72.
1014 Windows returns 600.
1016 double xres = gtk_print_context_get_dpi_x (context);
1017 double yres = gtk_print_context_get_dpi_y (context);
1019 /* This means that the cairo context now has its dimensions in Points */
1020 cairo_scale (cr, xres / 72.0, yres / 72.0);
1027 create_xr_print_driver (GtkPrintContext *context, struct psppire_output_view *view)
1029 struct string_map options;
1030 GtkPageSetup *page_setup;
1031 double width, height;
1033 double right_margin;
1035 double bottom_margin;
1037 page_setup = gtk_print_context_get_page_setup (context);
1038 width = gtk_page_setup_get_paper_width (page_setup, GTK_UNIT_MM);
1039 height = gtk_page_setup_get_paper_height (page_setup, GTK_UNIT_MM);
1040 left_margin = gtk_page_setup_get_left_margin (page_setup, GTK_UNIT_MM);
1041 right_margin = gtk_page_setup_get_right_margin (page_setup, GTK_UNIT_MM);
1042 top_margin = gtk_page_setup_get_top_margin (page_setup, GTK_UNIT_MM);
1043 bottom_margin = gtk_page_setup_get_bottom_margin (page_setup, GTK_UNIT_MM);
1045 string_map_init (&options);
1046 string_map_insert_nocopy (&options, xstrdup ("paper-size"),
1047 c_xasprintf("%.2fx%.2fmm", width, height));
1048 string_map_insert_nocopy (&options, xstrdup ("left-margin"),
1049 c_xasprintf ("%.2fmm", left_margin));
1050 string_map_insert_nocopy (&options, xstrdup ("right-margin"),
1051 c_xasprintf ("%.2fmm", right_margin));
1052 string_map_insert_nocopy (&options, xstrdup ("top-margin"),
1053 c_xasprintf ("%.2fmm", top_margin));
1054 string_map_insert_nocopy (&options, xstrdup ("bottom-margin"),
1055 c_xasprintf ("%.2fmm", bottom_margin));
1057 view->print_xrd = xr_driver_create (get_cairo_context_from_print_context (context), &options);
1059 string_map_destroy (&options);
1063 paginate (GtkPrintOperation *operation,
1064 GtkPrintContext *context,
1065 struct psppire_output_view *view)
1067 if (view->paginated)
1069 /* Sometimes GTK+ emits this signal again even after pagination is
1070 complete. Don't let that screw up printing. */
1073 else if (view->print_item < view->n_items)
1075 xr_driver_output_item (view->print_xrd,
1076 view->items[view->print_item++].item);
1077 while (xr_driver_need_new_page (view->print_xrd))
1079 xr_driver_next_page (view->print_xrd, get_cairo_context_from_print_context (context));
1080 view->print_n_pages ++;
1086 gtk_print_operation_set_n_pages (operation, view->print_n_pages);
1088 /* Re-create the driver to do the real printing. */
1089 xr_driver_destroy (view->print_xrd);
1090 create_xr_print_driver (context, view);
1091 view->print_item = 0;
1092 view->paginated = TRUE;
1099 begin_print (GtkPrintOperation *operation,
1100 GtkPrintContext *context,
1101 struct psppire_output_view *view)
1103 create_xr_print_driver (context, view);
1105 view->print_item = 0;
1106 view->print_n_pages = 1;
1107 view->paginated = FALSE;
1111 end_print (GtkPrintOperation *operation,
1112 GtkPrintContext *context,
1113 struct psppire_output_view *view)
1115 xr_driver_destroy (view->print_xrd);
1120 draw_page (GtkPrintOperation *operation,
1121 GtkPrintContext *context,
1123 struct psppire_output_view *view)
1125 xr_driver_next_page (view->print_xrd, get_cairo_context_from_print_context (context));
1126 while (!xr_driver_need_new_page (view->print_xrd)
1127 && view->print_item < view->n_items)
1128 xr_driver_output_item (view->print_xrd, view->items [view->print_item++].item);
1133 psppire_output_view_print (struct psppire_output_view *view,
1134 GtkWindow *parent_window)
1136 GtkPrintOperationResult res;
1138 GtkPrintOperation *print = gtk_print_operation_new ();
1140 if (view->print_settings != NULL)
1141 gtk_print_operation_set_print_settings (print, view->print_settings);
1143 g_signal_connect (print, "begin_print", G_CALLBACK (begin_print), view);
1144 g_signal_connect (print, "end_print", G_CALLBACK (end_print), view);
1145 g_signal_connect (print, "paginate", G_CALLBACK (paginate), view);
1146 g_signal_connect (print, "draw_page", G_CALLBACK (draw_page), view);
1148 res = gtk_print_operation_run (print, GTK_PRINT_OPERATION_ACTION_PRINT_DIALOG,
1149 parent_window, NULL);
1151 if (res == GTK_PRINT_OPERATION_RESULT_APPLY)
1153 if (view->print_settings != NULL)
1154 g_object_unref (view->print_settings);
1155 view->print_settings = g_object_ref (gtk_print_operation_get_print_settings (print));
1158 g_object_unref (print);
1161 struct psppire_output_view_driver
1163 struct output_driver driver;
1164 struct psppire_output_view *view;
1167 static struct psppire_output_view_driver *
1168 psppire_output_view_driver_cast (struct output_driver *driver)
1170 return UP_CAST (driver, struct psppire_output_view_driver, driver);
1174 psppire_output_view_submit (struct output_driver *this,
1175 const struct output_item *item)
1177 struct psppire_output_view_driver *povd = psppire_output_view_driver_cast (this);
1179 if (is_table_item (item))
1180 psppire_output_view_put (povd->view, item);
1183 static struct output_driver_class psppire_output_view_driver_class =
1185 "PSPPIRE Output View", /* name */
1187 psppire_output_view_submit, /* submit */
1192 psppire_output_view_register_driver (struct psppire_output_view *view)
1194 struct psppire_output_view_driver *povd;
1195 struct output_driver *d;
1197 povd = xzalloc (sizeof *povd);
1200 output_driver_init (d, &psppire_output_view_driver_class, "PSPPIRE Output View",
1201 SETTINGS_DEVICE_UNFILTERED);
1202 output_driver_register (d);