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"
21 #include <cairo/cairo-svg.h>
26 #include "librsvg/rsvg.h"
28 #include "libpspp/assertion.h"
29 #include "libpspp/string-map.h"
30 #include "output/cairo-fsm.h"
31 #include "output/cairo-pager.h"
32 #include "output/driver-provider.h"
33 #include "output/driver.h"
34 #include "output/chart-item.h"
35 #include "output/group-item.h"
36 #include "output/message-item.h"
37 #include "output/output-item.h"
38 #include "output/output-item-provider.h"
39 #include "output/table-item.h"
40 #include "output/text-item.h"
42 #include "gl/c-xvasprintf.h"
43 #include "gl/minmax.h"
44 #include "gl/tmpdir.h"
45 #include "gl/xalloc.h"
48 #define _(msgid) gettext (msgid)
50 struct output_view_item
52 struct output_item *item;
53 GtkWidget *drawing_area;
56 struct psppire_output_view
58 struct xr_fsm_style *style;
66 GtkTreeView *overview;
67 GtkTreePath *cur_group;
71 guint buttontime; /* Time of the button event */
73 struct output_view_item *items;
74 size_t n_items, allocated_items;
75 struct output_view_item *selected_item;
77 /* Variables pertaining to printing */
78 GtkPrintSettings *print_settings;
80 struct xr_fsm_style *fsm_style;
81 struct xr_page_style *page_style;
82 struct xr_pager *pager;
90 COL_NAME, /* Table name. */
91 COL_ADDR, /* Pointer to the table */
92 COL_Y, /* Y position of top of name. */
96 static GtkTargetList *build_target_list (const struct output_item *item);
97 static void clipboard_get_cb (GtkClipboard *clipboard,
98 GtkSelectionData *selection_data,
102 /* Draws a white background on the GtkLayout to match the white background of
103 each of the output items. */
105 layout_draw_callback (GtkWidget *widget, cairo_t *cr, gpointer data)
107 int width = gtk_widget_get_allocated_width (widget);
108 int height = gtk_widget_get_allocated_height (widget);
109 GtkStyleContext *context = gtk_widget_get_style_context (widget);
110 gtk_render_background (context, cr, 0, 0, width, height);
111 return FALSE; /* Continue drawing the GtkDrawingAreas. */
115 draw_callback (GtkWidget *widget, cairo_t *cr, gpointer data)
118 if (!gdk_cairo_get_clip_rectangle (cr, &clip))
121 struct xr_fsm *fsm = g_object_get_data (G_OBJECT (widget), "fsm");
123 /* Draw the background based on the state of the widget
124 which can be selected or not selected */
125 GtkStyleContext *context = gtk_widget_get_style_context (widget);
126 gtk_render_background (context, cr, clip.x, clip.y,
127 clip.x + clip.width, clip.y + clip.height);
128 /* Select the default foreground color based on current style
129 and state of the widget */
130 GtkStateFlags state = gtk_widget_get_state_flags (widget);
132 gtk_style_context_get_color (context, state, &color);
133 cairo_set_source_rgba (cr, color.red, color.green, color.blue, color.alpha);
134 xr_fsm_draw_region (fsm, cr, clip.x, clip.y, clip.width, clip.height);
140 free_fsm (gpointer fsm_)
142 struct xr_fsm *fsm = fsm_;
143 xr_fsm_destroy (fsm);
146 static struct xr_fsm_style *
147 get_xr_fsm_style (struct psppire_output_view *view)
149 GtkStyleContext *context
150 = gtk_widget_get_style_context (GTK_WIDGET (view->output));
151 GtkStateFlags state = gtk_widget_get_state_flags (GTK_WIDGET (view->output));
153 int xr_width = view->render_width * 1000;
155 PangoFontDescription *pf;
156 gtk_style_context_get (context, state, "font", &pf, NULL);
157 PangoFontDescription *ff = pango_font_description_from_string ("Monospace");
158 pango_font_description_set_size (ff, pango_font_description_get_size (pf));
160 struct xr_fsm_style *style = xmalloc (sizeof *style);
161 *style = (struct xr_fsm_style) {
163 .size = { [TABLE_HORZ] = xr_width, [TABLE_VERT] = INT_MAX },
164 .min_break = { [TABLE_HORZ] = xr_width / 2, [TABLE_VERT] = 0 },
166 [XR_FONT_PROPORTIONAL] = pf,
167 [XR_FONT_FIXED] = ff,
169 .use_system_colors = true,
177 /* Return the horizontal position to place a widget whose
178 width is CHILD_WIDTH */
180 get_xpos (const struct psppire_output_view *view, gint child_width)
182 GdkWindow *gdkw = gtk_widget_get_window (GTK_WIDGET (view->output));
183 guint w = gdk_window_get_width (gdkw);
185 g_object_get (view->output, "border-width", &gutter, NULL);
186 return (gtk_widget_get_direction (GTK_WIDGET (view->output)) == GTK_TEXT_DIR_RTL) ? w - child_width - gutter: gutter;
189 static struct output_view_item *
190 find_selected_item (struct psppire_output_view *view)
192 struct output_view_item *item = NULL;
195 if (view->items == NULL)
198 for (item = view->items; item < &view->items[view->n_items]; item++)
200 GtkWidget *widget = GTK_WIDGET (item->drawing_area);
201 if GTK_IS_WIDGET (widget)
203 GtkStateFlags state = gtk_widget_get_state_flags (widget);
204 if (state & GTK_STATE_FLAG_SELECTED)
213 set_copy_action (struct psppire_output_view *view,
216 GtkWidget *toplevel = gtk_widget_get_toplevel (GTK_WIDGET (view->output));
217 GAction *copy_action = g_action_map_lookup_action (G_ACTION_MAP (toplevel),
219 g_object_set (copy_action,
225 clear_selection (struct psppire_output_view *view)
229 struct output_view_item *item = find_selected_item (view);
232 set_copy_action (view, FALSE);
233 GtkWidget *widget = GTK_WIDGET (item->drawing_area);
234 if (GTK_IS_WIDGET (widget))
236 gtk_widget_unset_state_flags (widget, GTK_STATE_FLAG_SELECTED);
237 gtk_widget_queue_draw (widget);
242 off_item_button_press_event_cb (GtkWidget *widget,
243 GdkEventButton *event,
244 struct psppire_output_view *view)
246 /* buttontime is set by button_press_event_cb
247 If our event->time is equal to the time from the
248 button_press_event_cb, then we handle the same event.
249 In that case we must not clear the selection because
250 it was just set by button_press_event_cb from the item */
251 if (event->time != view->buttontime)
252 clear_selection (view);
253 return FALSE; /* Forward the event -> DragNDrop */
257 button_press_event_cb (GtkWidget *widget,
258 GdkEventButton *event,
259 struct psppire_output_view *view)
261 view->buttontime = event->time;
262 clear_selection (view);
263 set_copy_action (view, TRUE);
264 gtk_widget_set_state_flags (widget, GTK_STATE_FLAG_SELECTED, FALSE);
265 gtk_widget_queue_draw (widget);
266 return FALSE; /* Forward Event -> off_item will trigger */
270 drag_data_get_cb (GtkWidget *widget, GdkDragContext *context,
271 GtkSelectionData *selection_data,
272 guint target_type, guint time,
273 struct psppire_output_view *view)
275 view->selected_item = find_selected_item (view);
276 clipboard_get_cb (NULL, selection_data, target_type, view);
280 create_drawing_area (struct psppire_output_view *view,
281 GtkWidget *drawing_area, struct xr_fsm *r,
282 int tw, int th, const struct output_item *item)
284 g_object_set_data_full (G_OBJECT (drawing_area),
286 g_signal_connect (drawing_area, "button-press-event",
287 G_CALLBACK (button_press_event_cb), view);
288 gtk_widget_add_events (drawing_area, GDK_BUTTON_PRESS_MASK);
290 { /* Drag and Drop */
291 GtkTargetList *tl = build_target_list (item);
293 gtk_drag_source_set (drawing_area, GDK_BUTTON1_MASK, NULL, 0, GDK_ACTION_COPY);
294 gtk_drag_source_set_target_list (drawing_area, tl);
295 gtk_target_list_unref (tl);
296 g_signal_connect (drawing_area, "drag-data-get",
297 G_CALLBACK (drag_data_get_cb), view);
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)
323 view->style = get_xr_fsm_style (view);
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++)
339 view->y += view->object_spacing;
341 if (is_group_open_item (item->item))
344 r = xr_fsm_create (item->item, view->style, cr);
347 g_warn_if_reached ();
351 xr_fsm_measure (r, cr, &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, item->item);
362 g_object_set_data_full (G_OBJECT (item->drawing_area),
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->object_spacing,
393 view->y + view->object_spacing);
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 ();
444 view->style = get_xr_fsm_style (view);
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->object_spacing;
453 struct xr_fsm *r = xr_fsm_create (item, view->style, cr);
456 gdk_window_end_draw_frame (win, ctx);
457 cairo_region_destroy (region);
461 xr_fsm_measure (r, cr, &tw, &th);
462 create_drawing_area (view, drawing_area, r, tw, th, item);
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 fsm options changed and
585 re-render only if they did. */
586 struct xr_fsm_style *style = get_xr_fsm_style (view);
587 if (!view->style || !xr_fsm_style_equals (style, view->style))
589 xr_fsm_style_unref (view->style);
590 view->style = xr_fsm_style_ref (style);
593 xr_fsm_style_unref (style);
606 /* GNU Hurd doesn't have PATH_MAX. Use a fallback.
607 Temporary directory names are usually not that long. */
609 # define PATH_MAX 1024
612 /* Returns a pixbuf from a svg file */
613 /* You must unref the pixbuf after usage */
615 derive_pixbuf_from_svg (const char *filename)
618 GdkPixbuf *pixbuf = NULL;
620 RsvgHandle *handle = rsvg_handle_new_from_file (filename, &err);
623 rsvg_handle_set_dpi (handle, 300.0);
624 pixbuf = rsvg_handle_get_pixbuf (handle);
625 g_object_unref (handle);
628 pixbuf = gdk_pixbuf_new_from_file (filename, &err);
632 msg (ME, _("Could not open file %s during copy operation: %s"),
633 filename, err->message);
641 clipboard_get_cb (GtkClipboard *clipboard,
642 GtkSelectionData *selection_data,
646 struct psppire_output_view *view = data;
650 struct output_driver *driver = NULL;
651 char dirname[PATH_MAX], *filename;
652 struct string_map options;
654 if (view->selected_item == NULL)
657 if (path_search (dirname, sizeof dirname, NULL, NULL, true)
658 || mkdtemp (dirname) == NULL)
660 msg_error (errno, _("failed to create temporary directory during clipboard operation"));
663 filename = xasprintf ("%s/clip.tmp", dirname);
665 string_map_init (&options);
666 string_map_insert (&options, "output-file", filename);
670 case SELECT_FMT_UTF8:
671 string_map_insert (&options, "box", "unicode");
674 case SELECT_FMT_TEXT:
675 string_map_insert (&options, "format", "txt");
678 case SELECT_FMT_HTML:
679 string_map_insert (&options, "format", "html");
680 string_map_insert (&options, "borders", "false");
681 string_map_insert (&options, "css", "false");
690 string_map_insert (&options, "format", "odt");
694 g_warning ("unsupported clip target\n");
699 if ((info == SELECT_FMT_IMG) ||
700 (info == SELECT_FMT_SVG) )
702 GtkWidget *widget = view->selected_item->drawing_area;
703 struct xr_fsm *fsm = g_object_get_data (G_OBJECT (widget), "fsm");
705 GdkWindow *win = gtk_layout_get_bin_window (view->output);
706 cairo_region_t *region = gdk_window_get_visible_region (win);
707 GdkDrawingContext *ctx = gdk_window_begin_draw_frame (win, region);
708 cairo_t *cr = gdk_drawing_context_get_cairo_context (ctx);
711 xr_fsm_measure (fsm, cr, &w, &h);
713 gdk_window_end_draw_frame (win, ctx);
714 cairo_region_destroy (region);
716 cairo_surface_t *surface = cairo_svg_surface_create (filename, w, h);
719 cairo_t *cr = cairo_create (surface);
720 xr_fsm_draw_all (fsm, cr);
722 cairo_surface_destroy (surface);
725 g_error ("Could not create cairo svg surface with file %s", filename);
729 driver = output_driver_create (&options);
733 driver->class->submit (driver, view->selected_item->item);
735 if (driver->class->flush)
736 driver->class->flush (driver);
738 /* Some drivers (eg: the odt one) don't write anything until they
740 output_driver_destroy (driver);
744 if (info == SELECT_FMT_IMG)
746 GdkPixbuf *pixbuf = derive_pixbuf_from_svg (filename);
749 gtk_selection_data_set_pixbuf (selection_data, pixbuf);
750 g_object_unref (pixbuf);
753 else if (g_file_get_contents (filename, &text, &length, NULL))
754 gtk_selection_data_set (selection_data, gtk_selection_data_get_target (selection_data),
756 (const guchar *) text, length);
761 output_driver_destroy (driver);
771 clipboard_clear_cb (GtkClipboard *clipboard,
777 CT ( ctn1, "STRING", 0, SELECT_FMT_TEXT ) \
778 CT ( ctn2, "TEXT", 0, SELECT_FMT_TEXT ) \
779 CT ( ctn3, "COMPOUND_TEXT", 0, SELECT_FMT_TEXT ) \
780 CT ( ctn4, "text/plain", 0, SELECT_FMT_TEXT ) \
781 CT ( ctn5, "UTF8_STRING", 0, SELECT_FMT_UTF8 ) \
782 CT ( ctn6, "text/plain;charset=utf-8", 0, SELECT_FMT_UTF8 ) \
783 CT ( ctn7, "text/html", 0, SELECT_FMT_HTML ) \
784 CT ( ctn8, "image/svg+xml", 0, SELECT_FMT_SVG )
786 #define CT(ID, TARGET, FLAGS, INFO) static gchar ID[] = TARGET;
789 static gchar ctnlast[] = "application/vnd.oasis.opendocument.text";
791 static const GtkTargetEntry targets[] = {
792 #define CT(ID, TARGET, FLAGS, INFO) { ID, FLAGS, INFO },
795 { ctnlast, 0, SELECT_FMT_ODT }
798 static GtkTargetList *
799 build_target_list (const struct output_item *item)
801 GtkTargetList *tl = gtk_target_list_new (targets, G_N_ELEMENTS (targets));
802 g_return_val_if_fail (tl, NULL);
803 if (is_table_item (item) ||
804 is_chart_item (item))
805 gtk_target_list_add_image_targets (tl, SELECT_FMT_IMG, TRUE);
810 on_copy (struct psppire_output_view *view)
812 GtkWidget *widget = GTK_WIDGET (view->overview);
813 GtkClipboard *cb = gtk_widget_get_clipboard (widget, GDK_SELECTION_CLIPBOARD);
815 struct output_view_item *ov_item = find_selected_item (view);
818 view->selected_item = ov_item;
819 GtkTargetList *tl = build_target_list (ov_item->item);
820 g_return_if_fail (tl);
821 gint no_of_targets = 0;
822 GtkTargetEntry *ta = gtk_target_table_new_from_list (tl, &no_of_targets);
823 g_return_if_fail (ta);
824 if (!gtk_clipboard_set_with_data (cb, ta, no_of_targets,
825 clipboard_get_cb, clipboard_clear_cb,
827 clipboard_clear_cb (cb, view);
829 gtk_target_list_unref (tl);
830 gtk_target_table_free (ta,no_of_targets);
834 on_size_allocate (GtkWidget *widget,
835 GdkRectangle *allocation,
836 struct psppire_output_view *view)
838 view->render_width = MAX (300, allocation->width);
843 on_realize (GtkWidget *overview, GObject *view)
845 GtkWidget *toplevel = gtk_widget_get_toplevel (GTK_WIDGET (overview));
847 GAction *copy_action = g_action_map_lookup_action (G_ACTION_MAP (toplevel),
850 GAction *select_all_action = g_action_map_lookup_action (G_ACTION_MAP (toplevel),
853 g_object_set (copy_action, "enabled", FALSE, NULL);
854 g_object_set (select_all_action, "enabled", FALSE, NULL);
856 g_signal_connect_swapped (copy_action, "activate",
857 G_CALLBACK (on_copy), view);
861 struct psppire_output_view *
862 psppire_output_view_new (GtkLayout *output, GtkTreeView *overview)
864 struct psppire_output_view *view;
865 GtkTreeViewColumn *column;
866 GtkCellRenderer *renderer;
870 view = xmalloc (sizeof *view);
871 *view = (struct psppire_output_view) {
872 .object_spacing = 10,
874 .overview = overview,
875 .toplevel = gtk_widget_get_toplevel (GTK_WIDGET (output)),
878 g_signal_connect (output, "draw", G_CALLBACK (layout_draw_callback), NULL);
880 g_signal_connect (output, "style-updated", G_CALLBACK (on_style_updated), view);
882 g_signal_connect (output, "size-allocate", G_CALLBACK (on_size_allocate), view);
884 gtk_widget_add_events (GTK_WIDGET (output), GDK_BUTTON_PRESS_MASK);
885 g_signal_connect (output, "button-press-event",
886 G_CALLBACK (off_item_button_press_event_cb), view);
888 gtk_style_context_add_class (gtk_widget_get_style_context (GTK_WIDGET (output)),
889 GTK_STYLE_CLASS_VIEW);
893 g_signal_connect (overview, "realize", G_CALLBACK (on_realize), view);
895 model = GTK_TREE_MODEL (gtk_tree_store_new (
897 G_TYPE_STRING, /* COL_NAME */
898 G_TYPE_POINTER, /* COL_ADDR */
899 G_TYPE_LONG)); /* COL_Y */
900 gtk_tree_view_set_model (overview, model);
901 g_object_unref (model);
903 column = gtk_tree_view_column_new ();
904 gtk_tree_view_append_column (GTK_TREE_VIEW (overview), column);
905 renderer = gtk_cell_renderer_text_new ();
906 gtk_tree_view_column_pack_start (column, renderer, TRUE);
907 gtk_tree_view_column_add_attribute (column, renderer, "text", COL_NAME);
909 g_signal_connect (GTK_TREE_VIEW (overview),
910 "row-activated", G_CALLBACK (on_row_activate), view);
917 psppire_output_view_destroy (struct psppire_output_view *view)
924 g_signal_handlers_disconnect_by_func (view->output,
925 G_CALLBACK (on_style_updated), view);
927 xr_fsm_style_unref (view->style);
929 for (i = 0; i < view->n_items; i++)
930 output_item_unref (view->items[i].item);
933 view->n_items = view->allocated_items = 0;
935 if (view->print_settings != NULL)
936 g_object_unref (view->print_settings);
939 gtk_tree_path_free (view->cur_group);
945 psppire_output_view_clear (struct psppire_output_view *view)
952 for (i = 0; i < view->n_items; i++)
954 gtk_container_remove (GTK_CONTAINER (view->output),
955 view->items[i].drawing_area);
956 output_item_unref (view->items[i].item);
960 view->n_items = view->allocated_items = 0;
966 psppire_output_view_export (struct psppire_output_view *view,
967 struct string_map *options)
969 struct output_driver *driver;
971 driver = output_driver_create (options);
976 for (i = 0; i < view->n_items; i++)
977 driver->class->submit (driver, view->items[i].item);
978 output_driver_destroy (driver);
985 get_cairo_context_from_print_context (GtkPrintContext *context)
987 cairo_t *cr = gtk_print_context_get_cairo_context (context);
990 For all platforms except windows, gtk_print_context_get_dpi_[xy] returns 72.
993 double xres = gtk_print_context_get_dpi_x (context);
994 double yres = gtk_print_context_get_dpi_y (context);
996 /* This means that the cairo context now has its dimensions in Points */
997 cairo_scale (cr, xres / 72.0, yres / 72.0);
1004 create_xr_print_driver (GtkPrintContext *context, struct psppire_output_view *view)
1006 GtkPageSetup *ps = gtk_print_context_get_page_setup (context);
1008 enum { H = TABLE_HORZ, V = TABLE_VERT };
1009 int paper[TABLE_N_AXES] = {
1010 [H] = gtk_page_setup_get_paper_width (ps, GTK_UNIT_POINTS) * XR_POINT,
1011 [V] = gtk_page_setup_get_paper_height (ps, GTK_UNIT_POINTS) * XR_POINT,
1014 int margins[TABLE_N_AXES][2] = {
1015 [H][0] = gtk_page_setup_get_left_margin (ps, GTK_UNIT_POINTS) * XR_POINT,
1016 [H][1] = gtk_page_setup_get_right_margin (ps, GTK_UNIT_POINTS) * XR_POINT,
1017 [V][0] = gtk_page_setup_get_top_margin (ps, GTK_UNIT_POINTS) * XR_POINT,
1018 [V][1] = gtk_page_setup_get_bottom_margin (ps, GTK_UNIT_POINTS) * XR_POINT,
1021 double size[TABLE_N_AXES];
1022 for (int a = 0; a < TABLE_N_AXES; a++)
1023 size[a] = paper[a] - margins[a][0] - margins[a][1];
1025 PangoFontDescription *proportional_font
1026 = pango_font_description_from_string ("Sans Serif 10");
1027 PangoFontDescription *fixed_font
1028 = pango_font_description_from_string ("Monospace 10");
1030 view->page_style = xmalloc (sizeof *view->page_style);
1031 *view->page_style = (struct xr_page_style) {
1034 .size = { [H] = size[H], [V] = size[V] },
1036 [H] = { margins[H][0], margins[H][1] },
1037 [V] = { margins[V][0], margins[V][1] },
1039 .font = pango_font_description_copy (proportional_font),
1040 .bg = { .alpha = 0 },
1041 .font_scale = 72.0 / 128.0,
1042 .initial_page_number = 1,
1043 .object_spacing = 12 * XR_POINT,
1046 view->fsm_style = xmalloc (sizeof *view->fsm_style);
1047 *view->fsm_style = (struct xr_fsm_style) {
1050 .size = { [H] = size[H], [V] = size[V] },
1052 [XR_FONT_PROPORTIONAL] = proportional_font,
1053 [XR_FONT_FIXED] = fixed_font,
1055 .fg = CELL_COLOR_BLACK,
1056 .use_system_colors = false,
1057 .transparent = false,
1058 .font_scale = 72.0 / 128.0
1061 view->pager = xr_pager_create (view->page_style);
1065 paginate (GtkPrintOperation *operation,
1066 GtkPrintContext *context,
1067 struct psppire_output_view *view)
1069 if (view->paginated)
1071 /* Sometimes GTK+ emits this signal again even after pagination is
1072 complete. Don't let that screw up printing. */
1075 else if (view->print_item < view->n_items)
1077 xr_pager_add_item (view->pager, view->fsm_style,
1078 view->items[view->print_item++].item);
1079 while (xr_pager_needs_new_page (view->pager))
1081 xr_pager_add_page (view->pager,
1082 get_cairo_context_from_print_context (context));
1083 view->print_n_pages ++;
1089 gtk_print_operation_set_n_pages (operation, view->print_n_pages);
1091 /* Re-create the driver to do the real printing. */
1092 xr_pager_destroy (view->pager);
1093 view->pager = xr_pager_create (view->page_style);
1094 view->print_item = 0;
1095 view->paginated = TRUE;
1102 begin_print (GtkPrintOperation *operation,
1103 GtkPrintContext *context,
1104 struct psppire_output_view *view)
1106 create_xr_print_driver (context, view);
1108 view->print_item = 0;
1109 view->print_n_pages = 1;
1110 view->paginated = FALSE;
1114 end_print (GtkPrintOperation *operation,
1115 GtkPrintContext *context,
1116 struct psppire_output_view *view)
1118 xr_pager_destroy (view->pager);
1123 draw_page (GtkPrintOperation *operation,
1124 GtkPrintContext *context,
1126 struct psppire_output_view *view)
1128 xr_pager_add_page (view->pager,
1129 get_cairo_context_from_print_context (context));
1130 while (!xr_pager_needs_new_page (view->pager)
1131 && view->print_item < view->n_items)
1132 xr_pager_add_item (view->pager, view->fsm_style,
1133 view->items [view->print_item++].item);
1138 psppire_output_view_print (struct psppire_output_view *view,
1139 GtkWindow *parent_window)
1141 GtkPrintOperationResult res;
1143 GtkPrintOperation *print = gtk_print_operation_new ();
1145 if (view->print_settings != NULL)
1146 gtk_print_operation_set_print_settings (print, view->print_settings);
1148 g_signal_connect (print, "begin_print", G_CALLBACK (begin_print), view);
1149 g_signal_connect (print, "end_print", G_CALLBACK (end_print), view);
1150 g_signal_connect (print, "paginate", G_CALLBACK (paginate), view);
1151 g_signal_connect (print, "draw_page", G_CALLBACK (draw_page), view);
1153 res = gtk_print_operation_run (print, GTK_PRINT_OPERATION_ACTION_PRINT_DIALOG,
1154 parent_window, NULL);
1156 if (res == GTK_PRINT_OPERATION_RESULT_APPLY)
1158 if (view->print_settings != NULL)
1159 g_object_unref (view->print_settings);
1160 view->print_settings = g_object_ref (gtk_print_operation_get_print_settings (print));
1163 g_object_unref (print);
1166 struct psppire_output_view_driver
1168 struct output_driver driver;
1169 struct psppire_output_view *view;
1172 static struct psppire_output_view_driver *
1173 psppire_output_view_driver_cast (struct output_driver *driver)
1175 return UP_CAST (driver, struct psppire_output_view_driver, driver);
1179 psppire_output_view_submit (struct output_driver *this,
1180 const struct output_item *item)
1182 struct psppire_output_view_driver *povd = psppire_output_view_driver_cast (this);
1184 if (is_table_item (item))
1185 psppire_output_view_put (povd->view, item);
1188 static struct output_driver_class psppire_output_view_driver_class =
1190 "PSPPIRE Output View", /* name */
1192 psppire_output_view_submit, /* submit */
1197 psppire_output_view_register_driver (struct psppire_output_view *view)
1199 struct psppire_output_view_driver *povd;
1200 struct output_driver *d;
1202 povd = xzalloc (sizeof *povd);
1205 output_driver_init (d, &psppire_output_view_driver_class, "PSPPIRE Output View",
1206 SETTINGS_DEVICE_UNFILTERED);
1207 output_driver_register (d);