--- /dev/null
-expose_event_callback (GtkWidget *widget, GdkEventExpose *event, gpointer data)
+ /* PSPPIRE - a graphical user interface for PSPP.
+ Copyright (C) 2008-2015 Free Software Foundation.
+
+ 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 3 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, see <http://www.gnu.org/licenses/>. */
+
+ #include <config.h>
+
+ #include "ui/gui/psppire-output-view.h"
+
+ #include <errno.h>
+ #include <stdbool.h>
+
+ #include "libpspp/assertion.h"
+ #include "libpspp/string-map.h"
+ #include "output/cairo.h"
+ #include "output/driver-provider.h"
+ #include "output/driver.h"
+ #include "output/chart-item.h"
+ #include "output/message-item.h"
+ #include "output/output-item.h"
+ #include "output/table-item.h"
+ #include "output/text-item.h"
+
+ #include "gl/c-xvasprintf.h"
+ #include "gl/minmax.h"
+ #include "gl/tmpdir.h"
+ #include "gl/xalloc.h"
+
+ #include <gettext.h>
+ #define _(msgid) gettext (msgid)
+
+ struct output_view_item
+ {
+ struct output_item *item;
+ GtkWidget *drawing_area;
+ };
+
+ struct psppire_output_view
+ {
+ struct xr_driver *xr;
+ int font_height;
+
+ GtkLayout *output;
+ int render_width;
+ int max_width;
+ int y;
+
+ struct string_map render_opts;
+ GtkTreeView *overview;
+ GtkTreeIter cur_command;
+ bool in_command;
+
+ GtkWidget *toplevel;
+
+ struct output_view_item *items;
+ size_t n_items, allocated_items;
+
+ /* Variables pertaining to printing */
+ GtkPrintSettings *print_settings;
+ struct xr_driver *print_xrd;
+ int print_item;
+ int print_n_pages;
+ gboolean paginated;
+ };
+
+ enum
+ {
+ COL_NAME, /* Table name. */
+ COL_ADDR, /* Pointer to the table */
+ COL_Y, /* Y position of top of name. */
+ N_COLS
+ };
+
+ static void on_dwgarea_realize (GtkWidget *widget, gpointer data);
+
+ static gboolean
- cairo_t *cr = gdk_cairo_create (widget->window);
++draw_callback (GtkWidget *widget, cairo_t *cr, gpointer data)
+ {
+ struct psppire_output_view *view = data;
+ struct xr_rendering *r = g_object_get_data (G_OBJECT (widget), "rendering");
- xr_rendering_draw (r, cr, event->area.x, event->area.y,
- event->area.width, event->area.height);
- cairo_destroy (cr);
+
+ const GtkStyle *style = gtk_widget_get_style (GTK_WIDGET (view->output));
+
+ PangoFontDescription *font_desc;
+ char *font_name;
+
+ gchar *fgc =
+ gdk_color_to_string (&style->text[gtk_widget_get_state (GTK_WIDGET (view->output))]);
+
+ string_map_replace (&view->render_opts, "foreground-color", fgc);
+
+ free (fgc);
+
+ /* Use GTK+ default font as proportional font. */
+ font_name = pango_font_description_to_string (style->font_desc);
+ string_map_replace (&view->render_opts, "prop-font", font_name);
+ g_free (font_name);
+
+ /* Derived emphasized font from proportional font. */
+ font_desc = pango_font_description_copy (style->font_desc);
+ pango_font_description_set_style (font_desc, PANGO_STYLE_ITALIC);
+ font_name = pango_font_description_to_string (font_desc);
+ string_map_replace (&view->render_opts, "emph-font", font_name);
+ g_free (font_name);
+ pango_font_description_free (font_desc);
+
+ xr_rendering_apply_options (r, &view->render_opts);
+
- cr = gdk_cairo_create (GTK_WIDGET (view->output)->window);
++ xr_rendering_draw_all (r, cr);
+
+ return TRUE;
+ }
+
+ static void
+ free_rendering (gpointer rendering_)
+ {
+ struct xr_rendering *rendering = rendering_;
+ xr_rendering_destroy (rendering);
+ }
+
+ static void
+ create_xr (struct psppire_output_view *view)
+ {
+ const GtkStyle *style = gtk_widget_get_style (GTK_WIDGET (view->output));
+ struct text_item *text_item;
+ PangoFontDescription *font_desc;
+ struct xr_rendering *r;
+ char *font_name;
+ int font_width;
+ cairo_t *cr;
+ gchar *fgc;
+
- g_signal_connect (drawing_area, "expose_event",
- G_CALLBACK (expose_event_callback), view);
++ cr = gdk_cairo_create (gtk_widget_get_window (GTK_WIDGET (view->output)));
+
+ /* Set the widget's text color as the foreground color for the output driver */
+ fgc = gdk_color_to_string (&style->text[gtk_widget_get_state (GTK_WIDGET (view->output))]);
+
+ string_map_insert (&view->render_opts, "foreground-color", fgc);
+ g_free (fgc);
+
+ /* Use GTK+ default font as proportional font. */
+ font_name = pango_font_description_to_string (style->font_desc);
+ string_map_insert (&view->render_opts, "prop-font", font_name);
+ g_free (font_name);
+
+ /* Derived emphasized font from proportional font. */
+ font_desc = pango_font_description_copy (style->font_desc);
+ pango_font_description_set_style (font_desc, PANGO_STYLE_ITALIC);
+ font_name = pango_font_description_to_string (font_desc);
+ string_map_insert (&view->render_opts, "emph-font", font_name);
+ g_free (font_name);
+ pango_font_description_free (font_desc);
+
+ /* Pretend that the "page" has a reasonable width and a very big length,
+ so that most tables can be conveniently viewed on-screen with vertical
+ scrolling only. (The length should not be increased very much because
+ it is already close enough to INT_MAX when expressed as thousands of a
+ point.) */
+ string_map_insert_nocopy (&view->render_opts, xstrdup ("paper-size"),
+ xasprintf ("%dx1000000pt", view->render_width));
+ string_map_insert (&view->render_opts, "left-margin", "0");
+ string_map_insert (&view->render_opts, "right-margin", "0");
+ string_map_insert (&view->render_opts, "top-margin", "0");
+ string_map_insert (&view->render_opts, "bottom-margin", "0");
+
+ view->xr = xr_driver_create (cr, &view->render_opts);
+
+ text_item = text_item_create (TEXT_ITEM_PARAGRAPH, "X");
+ r = xr_rendering_create (view->xr, text_item_super (text_item), cr);
+ xr_rendering_measure (r, &font_width, &view->font_height);
+ /* xr_rendering_destroy (r); */
+ text_item_unref (text_item);
+
+ cairo_destroy (cr);
+ }
+
+ static void
+ create_drawing_area (struct psppire_output_view *view,
+ GtkWidget *drawing_area, struct xr_rendering *r,
+ int tw, int th)
+ {
+ g_object_set_data_full (G_OBJECT (drawing_area),
+ "rendering", r, free_rendering);
+
+ g_signal_connect (drawing_area, "realize",
+ G_CALLBACK (on_dwgarea_realize), view);
- if (!view->n_items || !GTK_WIDGET (view->output)->window)
++ g_signal_connect (drawing_area, "draw",
++ G_CALLBACK (draw_callback), view);
+
+ gtk_widget_set_size_request (drawing_area, tw, th);
+ gtk_layout_put (view->output, drawing_area, 0, view->y);
+
+ gtk_widget_show (drawing_area);
+ }
+
+ static void
+ rerender (struct psppire_output_view *view)
+ {
+ struct output_view_item *item;
+ cairo_t *cr;
+
- cr = gdk_cairo_create (GTK_WIDGET (view->output)->window);
++ if (!view->n_items || !gtk_widget_get_window (GTK_WIDGET (view->output)))
+ return;
+
+ string_map_clear (&view->render_opts);
+ xr_driver_destroy (view->xr);
+ create_xr (view);
+
- if (GTK_WIDGET (view->output)->window)
++ cr = gdk_cairo_create (gtk_widget_get_window (GTK_WIDGET (view->output)));
+
+ view->y = 0;
+ view->max_width = 0;
+ for (item = view->items; item < &view->items[view->n_items]; item++)
+ {
+ struct xr_rendering *r;
+ int tw, th;
+
+ if (view->y > 0)
+ view->y += view->font_height / 2;
+
+ r = xr_rendering_create (view->xr, item->item, cr);
+ if (r == NULL)
+ {
+ g_warn_if_reached ();
+ continue;
+ }
+
+ xr_rendering_measure (r, &tw, &th);
+
+ if (!item->drawing_area)
+ {
+ item->drawing_area = gtk_drawing_area_new ();
+ create_drawing_area (view, item->drawing_area, r, tw, th);
+ }
+ else
+ {
+ g_object_set_data_full (G_OBJECT (item->drawing_area),
+ "rendering", r, free_rendering);
+ gtk_widget_set_size_request (item->drawing_area, tw, th);
+ gtk_layout_move (view->output, item->drawing_area, 0, view->y);
+ }
+
+ if (view->max_width < tw)
+ view->max_width = tw;
+ view->y += th;
+ }
+
+ gtk_layout_set_size (view->output, view->max_width, view->y);
+ cairo_destroy (cr);
+ }
+
+ void
+ psppire_output_view_put (struct psppire_output_view *view,
+ const struct output_item *item)
+ {
+ struct output_view_item *view_item;
+ GtkWidget *drawing_area;
+ struct xr_rendering *r;
+ struct string name;
+ GtkTreeStore *store;
+ cairo_t *cr = NULL;
+ GtkTreePath *path;
+ GtkTreeIter iter;
+ int tw, th;
+
+ if (is_text_item (item))
+ {
+ const struct text_item *text_item = to_text_item (item);
+ enum text_item_type type = text_item_get_type (text_item);
+ const char *text = text_item_get_text (text_item);
+
+ if (type == TEXT_ITEM_COMMAND_CLOSE)
+ {
+ view->in_command = false;
+ return;
+ }
+ else if (text[0] == '\0')
+ return;
+ }
+
+ if (view->n_items >= view->allocated_items)
+ view->items = x2nrealloc (view->items, &view->allocated_items,
+ sizeof *view->items);
+ view_item = &view->items[view->n_items++];
+ view_item->item = output_item_ref (item);
+ view_item->drawing_area = NULL;
+
- cr = gdk_cairo_create (GTK_WIDGET (view->output)->window);
++ if (gtk_widget_get_window (GTK_WIDGET (view->output)))
+ {
+ view_item->drawing_area = drawing_area = gtk_drawing_area_new ();
+
- min = vadj->lower;
- max = vadj->upper - vadj->page_size;
++ cr = gdk_cairo_create (gtk_widget_get_window (GTK_WIDGET (view->output)));
+ if (view->xr == NULL)
+ create_xr (view);
+
+ if (view->y > 0)
+ view->y += view->font_height / 2;
+
+ r = xr_rendering_create (view->xr, item, cr);
+ if (r == NULL)
+ goto done;
+
+ xr_rendering_measure (r, &tw, &th);
+
+ create_drawing_area (view, drawing_area, r, tw, th);
+ }
+ else
+ tw = th = 0;
+
+ if (view->overview
+ && (!is_text_item (item)
+ || text_item_get_type (to_text_item (item)) != TEXT_ITEM_SYNTAX
+ || !view->in_command))
+ {
+ store = GTK_TREE_STORE (gtk_tree_view_get_model (view->overview));
+
+ ds_init_empty (&name);
+ if (is_text_item (item)
+ && text_item_get_type (to_text_item (item)) == TEXT_ITEM_COMMAND_OPEN)
+ {
+ gtk_tree_store_append (store, &iter, NULL);
+ view->cur_command = iter; /* XXX shouldn't save a GtkTreeIter */
+ view->in_command = true;
+ }
+ else
+ {
+ GtkTreeIter *p = view->in_command ? &view->cur_command : NULL;
+ gtk_tree_store_append (store, &iter, p);
+ }
+
+ ds_clear (&name);
+ if (is_text_item (item))
+ ds_put_cstr (&name, text_item_get_text (to_text_item (item)));
+ else if (is_message_item (item))
+ {
+ const struct message_item *msg_item = to_message_item (item);
+ const struct msg *msg = message_item_get_msg (msg_item);
+ ds_put_format (&name, "%s: %s", _("Message"),
+ msg_severity_to_string (msg->severity));
+ }
+ else if (is_table_item (item))
+ {
+ const char *title = table_item_get_title (to_table_item (item));
+ if (title != NULL)
+ ds_put_format (&name, "Table: %s", title);
+ else
+ ds_put_cstr (&name, "Table");
+ }
+ else if (is_chart_item (item))
+ {
+ const char *s = chart_item_get_title (to_chart_item (item));
+ if (s != NULL)
+ ds_put_format (&name, "Chart: %s", s);
+ else
+ ds_put_cstr (&name, "Chart");
+ }
+ gtk_tree_store_set (store, &iter,
+ COL_NAME, ds_cstr (&name),
+ COL_ADDR, item,
+ COL_Y, view->y,
+ -1);
+ ds_destroy (&name);
+
+ path = gtk_tree_model_get_path (GTK_TREE_MODEL (store), &iter);
+ gtk_tree_view_expand_row (view->overview, path, TRUE);
+ gtk_tree_path_free (path);
+ }
+
+ if (view->max_width < tw)
+ view->max_width = tw;
+ view->y += th;
+
+ gtk_layout_set_size (view->output, view->max_width, view->y);
+
+ done:
+ cairo_destroy (cr);
+ }
+
+ static void
+ on_row_activate (GtkTreeView *overview,
+ GtkTreePath *path,
+ GtkTreeViewColumn *column,
+ struct psppire_output_view *view)
+ {
+ GtkTreeModel *model;
+ GtkTreeIter iter;
+ GtkAdjustment *vadj;
+ GValue value = {0};
+ double y, min, max;
+
+ model = gtk_tree_view_get_model (overview);
+ if (!gtk_tree_model_get_iter (model, &iter, path))
+ return;
+
+ gtk_tree_model_get_value (model, &iter, COL_Y, &value);
+ y = g_value_get_long (&value);
+ g_value_unset (&value);
+
+ vadj = gtk_layout_get_vadjustment (view->output);
- gtk_selection_data_set (selection_data, selection_data->target,
++ min = gtk_adjustment_get_lower (vadj);
++ max = gtk_adjustment_get_upper (vadj) - gtk_adjustment_get_page_size (vadj);
+ if (y < min)
+ y = min;
+ else if (y > max)
+ y = max;
+ gtk_adjustment_set_value (vadj, y);
+ }
+
+ static void
+ copy_base_to_bg (GtkWidget *dest, GtkWidget *src)
+ {
+ int i;
+ for (i = 0; i < 5; ++i)
+ {
+ gtk_widget_modify_bg (dest, i, >k_widget_get_style (src)->base[i]);
+ gtk_widget_modify_fg (dest, i, >k_widget_get_style (src)->text[i]);
+ }
+ }
+
+ /* Copy the base style from the parent widget to the container and all its
+ children. We do this because the container's primary purpose is to display
+ text. This way psppire appears to follow the chosen gnome theme. */
+ static void
+ on_style_set (GtkWidget *toplevel, GtkStyle *prev,
+ struct psppire_output_view *view)
+ {
+ copy_base_to_bg (GTK_WIDGET (view->output), toplevel);
+ gtk_container_foreach (GTK_CONTAINER (view->output),
+ (GtkCallback) copy_base_to_bg, view->output);
+ }
+
+ static void
+ on_dwgarea_realize (GtkWidget *dwg_area, gpointer data)
+ {
+ copy_base_to_bg (dwg_area, gtk_widget_get_toplevel (dwg_area));
+ }
+
+ enum {
+ SELECT_FMT_NULL,
+ SELECT_FMT_TEXT,
+ SELECT_FMT_UTF8,
+ SELECT_FMT_HTML,
+ SELECT_FMT_ODT
+ };
+
+ /* GNU Hurd doesn't have PATH_MAX. Use a fallback.
+ Temporary directory names are usually not that long. */
+ #ifndef PATH_MAX
+ # define PATH_MAX 1024
+ #endif
+
+ static void
+ clipboard_get_cb (GtkClipboard *clipboard,
+ GtkSelectionData *selection_data,
+ guint info,
+ gpointer data)
+ {
+ struct psppire_output_view *view = data;
+
+ gsize length;
+ gchar *text = NULL;
+ struct output_driver *driver = NULL;
+ char dirname[PATH_MAX], *filename;
+ struct string_map options;
+
+ GtkTreeSelection *sel = gtk_tree_view_get_selection (view->overview);
+ GtkTreeModel *model = gtk_tree_view_get_model (view->overview);
+
+ GList *rows = gtk_tree_selection_get_selected_rows (sel, &model);
+ GList *n = rows;
+
+ if ( n == NULL)
+ return;
+
+ if (path_search (dirname, sizeof dirname, NULL, NULL, true)
+ || mkdtemp (dirname) == NULL)
+ {
+ msg_error (errno, _("failed to create temporary directory during clipboard operation"));
+ return;
+ }
+ filename = xasprintf ("%s/clip.tmp", dirname);
+
+ string_map_init (&options);
+ string_map_insert (&options, "output-file", filename);
+
+ switch (info)
+ {
+ case SELECT_FMT_UTF8:
+ string_map_insert (&options, "box", "unicode");
+ /* fall-through */
+
+ case SELECT_FMT_TEXT:
+ string_map_insert (&options, "format", "txt");
+ break;
+
+ case SELECT_FMT_HTML:
+ string_map_insert (&options, "format", "html");
+ string_map_insert (&options, "borders", "false");
+ string_map_insert (&options, "css", "false");
+ break;
+
+ case SELECT_FMT_ODT:
+ string_map_insert (&options, "format", "odt");
+ break;
+
+ default:
+ g_warning ("unsupported clip target\n");
+ goto finish;
+ break;
+ }
+
+ driver = output_driver_create (&options);
+ if (driver == NULL)
+ goto finish;
+
+ while (n)
+ {
+ GtkTreePath *path = n->data ;
+ GtkTreeIter iter;
+ struct output_item *item ;
+
+ gtk_tree_model_get_iter (model, &iter, path);
+ gtk_tree_model_get (model, &iter, COL_ADDR, &item, -1);
+
+ driver->class->submit (driver, item);
+
+ n = n->next;
+ }
+
+ if ( driver->class->flush)
+ driver->class->flush (driver);
+
+
+ /* Some drivers (eg: the odt one) don't write anything until they
+ are closed */
+ output_driver_destroy (driver);
+ driver = NULL;
+
+ if ( g_file_get_contents (filename, &text, &length, NULL) )
+ {
++ gtk_selection_data_set (selection_data, gtk_selection_data_get_target (selection_data),
+ 8,
+ (const guchar *) text, length);
+ }
+
+ finish:
+
+ if (driver != NULL)
+ output_driver_destroy (driver);
+
+ g_free (text);
+
+ unlink (filename);
+ free (filename);
+ rmdir (dirname);
+
+ g_list_free (rows);
+ }
+
+ static void
+ clipboard_clear_cb (GtkClipboard *clipboard,
+ gpointer data)
+ {
+ }
+
+ static const GtkTargetEntry targets[] = {
+
+ { "STRING", 0, SELECT_FMT_TEXT },
+ { "TEXT", 0, SELECT_FMT_TEXT },
+ { "COMPOUND_TEXT", 0, SELECT_FMT_TEXT },
+ { "text/plain", 0, SELECT_FMT_TEXT },
+
+ { "UTF8_STRING", 0, SELECT_FMT_UTF8 },
+ { "text/plain;charset=utf-8", 0, SELECT_FMT_UTF8 },
+
+ { "text/html", 0, SELECT_FMT_HTML },
+
+ { "application/vnd.oasis.opendocument.text", 0, SELECT_FMT_ODT }
+ };
+
+ static void
+ on_copy (struct psppire_output_view *view)
+ {
+ GtkWidget *widget = GTK_WIDGET (view->overview);
+ GtkClipboard *cb = gtk_widget_get_clipboard (widget, GDK_SELECTION_CLIPBOARD);
+
+ if (!gtk_clipboard_set_with_data (cb, targets, G_N_ELEMENTS (targets),
+ clipboard_get_cb, clipboard_clear_cb,
+ view))
+ clipboard_clear_cb (cb, view);
+ }
+
+ static void
+ on_selection_change (GtkTreeSelection *sel, GtkAction *copy_action)
+ {
+ /* The Copy action is available only if there is something selected */
+ gtk_action_set_sensitive (copy_action, gtk_tree_selection_count_selected_rows (sel) > 0);
+ }
+
+ static void
+ on_select_all (struct psppire_output_view *view)
+ {
+ GtkTreeSelection *sel = gtk_tree_view_get_selection (view->overview);
+ gtk_tree_view_expand_all (view->overview);
+ gtk_tree_selection_select_all (sel);
+ }
+
+ static void
+ on_size_allocate (GtkWidget *widget,
+ GdkRectangle *allocation,
+ struct psppire_output_view *view)
+ {
+ int new_render_width = MAX (300, allocation->width);
+ if (view->render_width != new_render_width)
+ {
+ view->render_width = new_render_width;
+ rerender (view);
+ }
+ }
+
+ struct psppire_output_view *
+ psppire_output_view_new (GtkLayout *output, GtkTreeView *overview,
+ GtkAction *copy_action, GtkAction *select_all_action)
+ {
+ struct psppire_output_view *view;
+ GtkTreeViewColumn *column;
+ GtkCellRenderer *renderer;
+ GtkTreeSelection *sel;
+ GtkTreeModel *model;
+
+ view = xmalloc (sizeof *view);
+ view->xr = NULL;
+ view->font_height = 0;
+ view->output = output;
+ view->render_width = 0;
+ view->max_width = 0;
+ view->y = 0;
+ string_map_init (&view->render_opts);
+ view->overview = overview;
+ memset (&view->cur_command, 0, sizeof view->cur_command);
+ view->in_command = false;
+ view->toplevel = gtk_widget_get_toplevel (GTK_WIDGET (output));
+ view->items = NULL;
+ view->n_items = view->allocated_items = 0;
+ view->print_settings = NULL;
+ view->print_xrd = NULL;
+ view->print_item = 0;
+ view->print_n_pages = 0;
+ view->paginated = FALSE;
+
+ g_signal_connect (view->toplevel, "style-set", G_CALLBACK (on_style_set), view);
+
+ g_signal_connect (output, "size-allocate", G_CALLBACK (on_size_allocate), view);
+
+ if (overview)
+ {
+ model = GTK_TREE_MODEL (gtk_tree_store_new (
+ N_COLS,
+ G_TYPE_STRING, /* COL_NAME */
+ G_TYPE_POINTER, /* COL_ADDR */
+ G_TYPE_LONG)); /* COL_Y */
+ gtk_tree_view_set_model (overview, model);
+ g_object_unref (model);
+
+ sel = gtk_tree_view_get_selection (overview);
+ gtk_tree_selection_set_mode (sel, GTK_SELECTION_MULTIPLE);
+ g_signal_connect (sel, "changed", G_CALLBACK (on_selection_change),
+ copy_action);
+
+ column = gtk_tree_view_column_new ();
+ gtk_tree_view_append_column (GTK_TREE_VIEW (overview), column);
+ renderer = gtk_cell_renderer_text_new ();
+ gtk_tree_view_column_pack_start (column, renderer, TRUE);
+ gtk_tree_view_column_add_attribute (column, renderer, "text", COL_NAME);
+
+ g_signal_connect (GTK_TREE_VIEW (overview),
+ "row-activated", G_CALLBACK (on_row_activate), view);
+
+ gtk_action_set_sensitive (copy_action, FALSE);
+ g_signal_connect_swapped (copy_action, "activate",
+ G_CALLBACK (on_copy), view);
+ g_signal_connect_swapped (select_all_action, "activate",
+ G_CALLBACK (on_select_all), view);
+ }
+
+ return view;
+ }
+
+ void
+ psppire_output_view_destroy (struct psppire_output_view *view)
+ {
+ size_t i;
+
+ if (!view)
+ return;
+
+ g_signal_handlers_disconnect_by_func (view->toplevel,
+ G_CALLBACK (on_style_set), view);
+
+ string_map_destroy (&view->render_opts);
+
+ for (i = 0; i < view->n_items; i++)
+ output_item_unref (view->items[i].item);
+ free (view->items);
+ view->items = NULL;
+ view->n_items = view->allocated_items = 0;
+
+ if (view->print_settings != NULL)
+ g_object_unref (view->print_settings);
+
+ xr_driver_destroy (view->xr);
+
+ free (view);
+ }
+
+ void
+ psppire_output_view_clear (struct psppire_output_view *view)
+ {
+ size_t i;
+
+ view->max_width = 0;
+ view->y = 0;
+
+ for (i = 0; i < view->n_items; i++)
+ {
+ gtk_container_remove (GTK_CONTAINER (view->output),
+ view->items[i].drawing_area);
+ output_item_unref (view->items[i].item);
+ }
+ free (view->items);
+ view->items = NULL;
+ view->n_items = view->allocated_items = 0;
+ }
+ \f
+ /* Export. */
+
+ void
+ psppire_output_view_export (struct psppire_output_view *view,
+ struct string_map *options)
+ {
+ struct output_driver *driver;
+
+ driver = output_driver_create (options);
+ if (driver)
+ {
+ size_t i;
+
+ for (i = 0; i < view->n_items; i++)
+ driver->class->submit (driver, view->items[i].item);
+ output_driver_destroy (driver);
+ }
+ }
+ \f
+ /* Print. */
+
+ static cairo_t *
+ get_cairo_context_from_print_context (GtkPrintContext *context)
+ {
+ cairo_t *cr = gtk_print_context_get_cairo_context (context);
+
+ /*
+ For all platforms except windows, gtk_print_context_get_dpi_[xy] returns 72.
+ Windows returns 600.
+ */
+ double xres = gtk_print_context_get_dpi_x (context);
+ double yres = gtk_print_context_get_dpi_y (context);
+
+ /* This means that the cairo context now has its dimensions in Points */
+ cairo_scale (cr, xres / 72.0, yres / 72.0);
+
+ return cr;
+ }
+
+
+ static void
+ create_xr_print_driver (GtkPrintContext *context, struct psppire_output_view *view)
+ {
+ struct string_map options;
+ GtkPageSetup *page_setup;
+ double width, height;
+ double left_margin;
+ double right_margin;
+ double top_margin;
+ double bottom_margin;
+
+ page_setup = gtk_print_context_get_page_setup (context);
+ width = gtk_page_setup_get_paper_width (page_setup, GTK_UNIT_MM);
+ height = gtk_page_setup_get_paper_height (page_setup, GTK_UNIT_MM);
+ left_margin = gtk_page_setup_get_left_margin (page_setup, GTK_UNIT_MM);
+ right_margin = gtk_page_setup_get_right_margin (page_setup, GTK_UNIT_MM);
+ top_margin = gtk_page_setup_get_top_margin (page_setup, GTK_UNIT_MM);
+ bottom_margin = gtk_page_setup_get_bottom_margin (page_setup, GTK_UNIT_MM);
+
+ string_map_init (&options);
+ string_map_insert_nocopy (&options, xstrdup ("paper-size"),
+ c_xasprintf("%.2fx%.2fmm", width, height));
+ string_map_insert_nocopy (&options, xstrdup ("left-margin"),
+ c_xasprintf ("%.2fmm", left_margin));
+ string_map_insert_nocopy (&options, xstrdup ("right-margin"),
+ c_xasprintf ("%.2fmm", right_margin));
+ string_map_insert_nocopy (&options, xstrdup ("top-margin"),
+ c_xasprintf ("%.2fmm", top_margin));
+ string_map_insert_nocopy (&options, xstrdup ("bottom-margin"),
+ c_xasprintf ("%.2fmm", bottom_margin));
+
+ view->print_xrd = xr_driver_create (get_cairo_context_from_print_context (context), &options);
+
+ string_map_destroy (&options);
+ }
+
+ static gboolean
+ paginate (GtkPrintOperation *operation,
+ GtkPrintContext *context,
+ struct psppire_output_view *view)
+ {
+ if (view->paginated)
+ {
+ /* Sometimes GTK+ emits this signal again even after pagination is
+ complete. Don't let that screw up printing. */
+ return TRUE;
+ }
+ else if ( view->print_item < view->n_items )
+ {
+ xr_driver_output_item (view->print_xrd,
+ view->items[view->print_item++].item);
+ while (xr_driver_need_new_page (view->print_xrd))
+ {
+ xr_driver_next_page (view->print_xrd, get_cairo_context_from_print_context (context));
+ view->print_n_pages ++;
+ }
+ return FALSE;
+ }
+ else
+ {
+ gtk_print_operation_set_n_pages (operation, view->print_n_pages);
+
+ /* Re-create the driver to do the real printing. */
+ xr_driver_destroy (view->print_xrd);
+ create_xr_print_driver (context, view);
+ view->print_item = 0;
+ view->paginated = TRUE;
+
+ return TRUE;
+ }
+ }
+
+ static void
+ begin_print (GtkPrintOperation *operation,
+ GtkPrintContext *context,
+ struct psppire_output_view *view)
+ {
+ create_xr_print_driver (context, view);
+
+ view->print_item = 0;
+ view->print_n_pages = 1;
+ view->paginated = FALSE;
+ }
+
+ static void
+ end_print (GtkPrintOperation *operation,
+ GtkPrintContext *context,
+ struct psppire_output_view *view)
+ {
+ xr_driver_destroy (view->print_xrd);
+ }
+
+
+ static void
+ draw_page (GtkPrintOperation *operation,
+ GtkPrintContext *context,
+ gint page_number,
+ struct psppire_output_view *view)
+ {
+ xr_driver_next_page (view->print_xrd, get_cairo_context_from_print_context (context));
+ while (!xr_driver_need_new_page (view->print_xrd)
+ && view->print_item < view->n_items)
+ xr_driver_output_item (view->print_xrd, view->items [view->print_item++].item);
+ }
+
+
+ void
+ psppire_output_view_print (struct psppire_output_view *view,
+ GtkWindow *parent_window)
+ {
+ GtkPrintOperationResult res;
+
+ GtkPrintOperation *print = gtk_print_operation_new ();
+
+ if (view->print_settings != NULL)
+ gtk_print_operation_set_print_settings (print, view->print_settings);
+
+ g_signal_connect (print, "begin_print", G_CALLBACK (begin_print), view);
+ g_signal_connect (print, "end_print", G_CALLBACK (end_print), view);
+ g_signal_connect (print, "paginate", G_CALLBACK (paginate), view);
+ g_signal_connect (print, "draw_page", G_CALLBACK (draw_page), view);
+
+ res = gtk_print_operation_run (print, GTK_PRINT_OPERATION_ACTION_PRINT_DIALOG,
+ parent_window, NULL);
+
+ if (res == GTK_PRINT_OPERATION_RESULT_APPLY)
+ {
+ if (view->print_settings != NULL)
+ g_object_unref (view->print_settings);
+ view->print_settings = g_object_ref (gtk_print_operation_get_print_settings (print));
+ }
+
+ g_object_unref (print);
+ }
+ \f
+ struct psppire_output_view_driver
+ {
+ struct output_driver driver;
+ struct psppire_output_view *view;
+ };
+
+ static struct psppire_output_view_driver *
+ psppire_output_view_driver_cast (struct output_driver *driver)
+ {
+ return UP_CAST (driver, struct psppire_output_view_driver, driver);
+ }
+
+ static void
+ psppire_output_view_submit (struct output_driver *this,
+ const struct output_item *item)
+ {
+ struct psppire_output_view_driver *povd = psppire_output_view_driver_cast (this);
+
+ if (is_table_item (item))
+ psppire_output_view_put (povd->view, item);
+ }
+
+ static struct output_driver_class psppire_output_view_driver_class =
+ {
+ "PSPPIRE Output View", /* name */
+ NULL, /* destroy */
+ psppire_output_view_submit, /* submit */
+ NULL, /* flush */
+ };
+
+ void
+ psppire_output_view_register_driver (struct psppire_output_view *view)
+ {
+ struct psppire_output_view_driver *povd;
+ struct output_driver *d;
+
+ povd = xzalloc (sizeof *povd);
+ povd->view = view;
+ d = &povd->driver;
+ output_driver_init (d, &psppire_output_view_driver_class, "PSPPIRE Output View",
+ SETTINGS_DEVICE_UNFILTERED);
+ output_driver_register (d);
+ }
projects / pspp / commitdiff