/* PSPPIRE - a graphical user interface for PSPP.
- Copyright (C) 2008 Free Software Foundation
+ Copyright (C) 2008, 2009 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
#include "helper.h"
#include <libpspp/message.h>
+#include <output/cairo.h>
+#include <output/manager.h>
+#include <output/output.h>
+#include <output/table.h>
#include <stdlib.h>
#include "about.h"
gpointer class_data)
{
}
-
-
\f
+/* Output driver class. */
static PsppireOutputWindow *the_output_viewer = NULL;
+static gboolean
+expose_event_callback (GtkWidget *widget, GdkEventExpose *event, gpointer data)
+{
+ struct som_entity *entity = g_object_get_data (G_OBJECT (widget), "entity");
+ GdkWindow *window = widget->window;
+ cairo_t *cairo = gdk_cairo_create (GDK_DRAWABLE (window));
+ struct outp_driver *driver = xr_create_driver (cairo); /* XXX can fail */
+ struct tab_table *t = entity->ext;
+ void *rendering;
+
+ rendering = entity->class->render_init (entity, driver, tab_l (t),
+ tab_r (t), tab_t (t), tab_b (t));
+
+ entity->class->title (rendering, 0, 0,
+ entity->table_num, entity->subtable_num);
+ entity->class->render (rendering, tab_l (t), tab_t (t),
+ tab_nc (t) - tab_r (t),
+ tab_nr (t) - tab_b (t));
+
+ entity->class->render_free (rendering);
+ driver->class->close_driver (driver);
+ outp_free_driver (driver);
+ return TRUE;
+}
+
+static void
+psppire_output_submit (struct outp_driver *this, struct som_entity *entity)
+{
+ if (the_output_viewer == NULL)
+ {
+ the_output_viewer = PSPPIRE_OUTPUT_WINDOW (psppire_output_window_new ());
+ gtk_widget_show_now (GTK_WIDGET (the_output_viewer));
+ }
+
+ if (entity->type == SOM_TABLE)
+ {
+ GdkWindow *window = GTK_WIDGET (the_output_viewer)->window;
+ cairo_t *cairo = gdk_cairo_create (GDK_DRAWABLE (window));
+ struct outp_driver *driver = xr_create_driver (cairo); /* XXX can fail */
+ struct tab_table *t = entity->ext;
+ GtkWidget *drawing_area;
+ void *rendering;
+ int tw, th;
+
+ tab_ref (t);
+ rendering = entity->class->render_init (entity, driver, tab_l (t),
+ tab_r (t), tab_t (t), tab_b (t));
+ entity->class->area (rendering, &tw, &th);
+
+ drawing_area = gtk_drawing_area_new ();
+ g_object_set_data (G_OBJECT (drawing_area),
+ "entity", xmemdup (entity, sizeof *entity));
+ gtk_widget_set_size_request (drawing_area, tw / 1024, th / 1024);
+ gtk_layout_put (the_output_viewer->output, drawing_area,
+ 0, the_output_viewer->y);
+ gtk_widget_show (drawing_area);
+ g_signal_connect (G_OBJECT (drawing_area), "expose_event",
+ G_CALLBACK (expose_event_callback), NULL);
+
+ entity->class->render_free (rendering);
+ driver->class->close_driver (driver);
+ outp_free_driver (driver);
+
+ the_output_viewer->y += th / 1024;
+ }
+
+ gtk_window_set_urgency_hint (GTK_WINDOW (the_output_viewer), TRUE);
+}
+
+static struct outp_class psppire_output_class =
+ {
+ "PSPPIRE", /* name */
+ true, /* special */
+ NULL, /* open_driver */
+ NULL, /* close_driver */
+ NULL, /* open_page */
+ NULL, /* close_page */
+ NULL, /* flush */
+ psppire_output_submit, /* submit */
+ NULL, /* line */
+ NULL, /* text_metrics */
+ NULL, /* text_draw */
+ NULL, /* initialise_chart */
+ NULL, /* finalise_chart */
+ };
+void
+psppire_output_window_setup (void)
+{
+ outp_register_driver (outp_allocate_driver (&psppire_output_class,
+ "PSPPIRE", 0));
+}
+\f
int viewer_length = 16;
int viewer_width = 59;
the_output_viewer = NULL;
- unlink (output_file_name());
-
return FALSE;
}
{
gtk_window_set_urgency_hint (window, FALSE);
}
-/* Sets width and length according to the new size
- of the output window */
-static void
-on_textview_resize (GtkWidget *widget,
- GtkAllocation *allocation,
- gpointer user_data)
-{
- PangoContext * context ;
- PangoLayout *layout ;
- PangoRectangle logical;
- GtkStyle *style;
- gint right_margin, left_margin;
- GtkTextView *text_view = GTK_TEXT_VIEW (widget);
-
- context = gtk_widget_create_pango_context (widget);
- layout = pango_layout_new (context);
-
- style = gtk_widget_get_style (widget);
-
- pango_layout_set_font_description (layout, style->font_desc);
-
- /* Find the width of one character. We can use any character, because
- the textview has a monospaced font */
- pango_layout_set_text (layout, "M", 1);
-
- pango_layout_get_extents (layout, NULL, &logical);
-
- left_margin = gtk_text_view_get_left_margin (text_view);
- right_margin = gtk_text_view_get_right_margin (text_view);
-
- viewer_length = allocation->height / PANGO_PIXELS (logical.height);
- viewer_width = (allocation->width - right_margin - left_margin)
- / PANGO_PIXELS (logical.width);
-
- g_object_unref (G_OBJECT (layout));
- g_object_unref (G_OBJECT (context));
-}
static void
{
GtkBuilder *xml = builder_new ("output-viewer.ui");
- GtkWidget *box = gtk_vbox_new (FALSE, 0);
-
- GtkWidget *sw = get_widget_assert (xml, "scrolledwindow1");
-
- GtkWidget *menubar = get_widget_assert (xml, "menubar1");
+ gtk_widget_reparent (get_widget_assert (xml, "vbox1"), GTK_WIDGET (window));
- window->textview = get_widget_assert (xml, "output-viewer-textview");
-
-
- gtk_container_add (GTK_CONTAINER (window), box);
-
-
- g_object_ref (menubar);
- gtk_widget_unparent (menubar);
-
- g_object_ref (sw);
- gtk_widget_unparent (sw);
-
-
- gtk_box_pack_start (GTK_BOX (box), menubar, FALSE, TRUE, 0);
- gtk_box_pack_start (GTK_BOX (box), sw, TRUE, TRUE, 0);
-
-
- gtk_widget_show_all (box);
+ window->output = GTK_LAYOUT (get_widget_assert (xml, "output"));
+ window->y = 0;
connect_help (xml);
- window->buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (window->textview));
-
g_signal_connect (window,
"focus-in-event",
G_CALLBACK (cancel_urgency),
NULL);
- {
- /* Output uses ascii characters for tabular material.
- So we need a monospaced font otherwise it'll look silly */
- PangoFontDescription *font_desc =
- pango_font_description_from_string ("monospace");
-
- gtk_widget_modify_font (window->textview, font_desc);
- pango_font_description_free (font_desc);
- }
-
- g_signal_connect (window->textview, "size-allocate",
- G_CALLBACK (on_textview_resize), NULL);
-
- window->fp = NULL;
-
g_signal_connect (get_action_assert (xml,"help_about"),
"activate",
G_CALLBACK (about_new),
"description", _("Output Viewer"),
NULL));
}
-
-static void reload_viewer (PsppireOutputWindow *ow);
-
-void
-psppire_output_window_reload (void)
-{
- struct stat buf;
-
- /* If there is no output, then don't do anything */
- if (0 != stat (output_file_name(), &buf))
- return ;
-
- if ( NULL == the_output_viewer )
- {
- the_output_viewer = PSPPIRE_OUTPUT_WINDOW (psppire_output_window_new ());
- gtk_widget_show (GTK_WIDGET (the_output_viewer));
- }
-
- reload_viewer (the_output_viewer);
-
-}
-
-
-static void
-reload_viewer (PsppireOutputWindow *ow)
-{
- GtkTextIter end_iter;
- GtkTextMark *mark ;
-
- char *line = NULL;
-
- gboolean chars_inserted = FALSE;
-
- gtk_text_buffer_get_end_iter (ow->buffer, &end_iter);
-
- line = xrealloc (line, sizeof (char) * (viewer_width + 1));
-
- mark = gtk_text_buffer_create_mark (ow->buffer, NULL, &end_iter, TRUE);
-
-#ifdef __CYGWIN__
- /*
- Apparently Windoze is not capabale of writing to a file whilst
- another (or the same) process is reading from it. Therefore, we
- must close the file after reading it, and clear the entire buffer
- before writing to it.
- This will be slower for large buffers, but should work
- (in so far as anything ever works on windows).
- */
- {
- GtkTextIter start_iter;
- FILE *fp = fopen (output_file_name(), "r");
- if ( !fp)
- {
- g_critical ("Cannot open %s\n", output_file_name());
- return;
- }
-
- /* Delete all the entire buffer */
- gtk_text_buffer_get_start_iter (ow->buffer, &start_iter);
- gtk_text_buffer_delete (ow->buffer, &start_iter, &end_iter);
-
-
- gtk_text_buffer_get_start_iter (ow->buffer, &start_iter);
- /* Read in the next lot of text */
- while (fgets (line, viewer_width + 1, fp) != NULL)
- {
- chars_inserted = TRUE;
- gtk_text_buffer_insert (ow->buffer, &start_iter, line, -1);
- }
-
- fclose (fp);
- }
-#else
- {
- if ( ow->fp == NULL)
- {
- ow->fp = fopen (output_file_name(), "r");
- if ( ow->fp == NULL)
- {
- g_critical ("Cannot open %s\n", output_file_name());
- return;
- }
- }
-
- /* Read in the next lot of text */
- while (fgets (line, viewer_width + 1, ow->fp) != NULL)
- {
- chars_inserted = TRUE;
- gtk_text_buffer_insert (ow->buffer, &end_iter, line, -1);
- }
- }
-#endif
-
- /* Scroll to where the start of this lot of text begins */
- gtk_text_view_scroll_to_mark (GTK_TEXT_VIEW (ow->textview),
- mark,
- 0.1, TRUE, 0.0, 0.0);
-
-
- if ( chars_inserted )
- gtk_window_set_urgency_hint ( GTK_WINDOW (ow), TRUE);
-}
-
-
-
projects / pspp-builds.git / blobdiff