#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;
GtkWidget *toplevel;
- struct output_item **items;
+ struct output_view_item *items;
size_t n_items, allocated_items;
/* Variables pertaining to printing */
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;
+
+ cr = gdk_cairo_create (GTK_WIDGET (view->output)->window);
+
+ /* 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
+rerender (struct psppire_output_view *view)
+{
+ struct output_view_item *item;
+ cairo_t *cr;
+
+ if (!view->n_items)
+ return;
+
+ string_map_clear (&view->render_opts);
+ xr_driver_destroy (view->xr);
+ create_xr (view);
+
+ cr = gdk_cairo_create (GTK_WIDGET (view->output)->window);
+
+ 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);
+ 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)
cairo_t *cr;
int tw, th;
- if (view->n_items >= view->allocated_items)
- view->items = x2nrealloc (view->items, &view->allocated_items,
- sizeof *view->items);
- view->items[view->n_items++] = output_item_ref (item);
-
if (is_text_item (item))
{
const struct text_item *text_item = to_text_item (item);
return;
}
+ if (view->n_items >= view->allocated_items)
+ view->items = x2nrealloc (view->items, &view->allocated_items,
+ sizeof *view->items);
+ view->items[view->n_items].item = output_item_ref (item);
+ view->items[view->n_items].drawing_area = drawing_area = gtk_drawing_area_new ();
+ view->n_items++;
+
cr = gdk_cairo_create (GTK_WIDGET (view->output)->window);
if (view->xr == NULL)
- {
- const GtkStyle *style = gtk_widget_get_style (GTK_WIDGET (view->output));
- struct text_item *text_item;
- PangoFontDescription *font_desc;
- char *font_name;
- int font_width;
-
- /* Set the widget's text color as the foreground color for the output driver */
- gchar *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 (&view->render_opts, "paper-size", "300x200000mm");
- 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);
- }
+ create_xr (view);
if (view->y > 0)
view->y += view->font_height / 2;
xr_rendering_measure (r, &tw, &th);
- drawing_area = gtk_drawing_area_new ();
-
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);
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)
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);
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)
{
string_map_destroy (&view->render_opts);
for (i = 0; i < view->n_items; i++)
- output_item_unref (view->items[i]);
+ output_item_unref (view->items[i].item);
free (view->items);
view->items = NULL;
view->n_items = view->allocated_items = 0;
size_t i;
for (i = 0; i < view->n_items; i++)
- driver->class->submit (driver, view->items[i]);
+ driver->class->submit (driver, view->items[i].item);
output_driver_destroy (driver);
}
}
}
else if ( view->print_item < view->n_items )
{
- xr_driver_output_item (view->print_xrd, view->items[view->print_item++]);
+ 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, NULL);
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++]);
+ xr_driver_output_item (view->print_xrd, view->items [view->print_item++].item);
}
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