/* PSPPIRE - a graphical user interface for PSPP.
- Copyright (C) 2008-2014 Free Software Foundation.
+ 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
#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;
+ glong y;
struct string_map render_opts;
GtkTreeView *overview;
GtkWidget *toplevel;
- struct output_item **items;
+ struct output_view_item *items;
size_t n_items, allocated_items;
/* Variables pertaining to printing */
enum
{
- COL_TITLE, /* Table title. */
+ COL_NAME, /* Table name. */
COL_ADDR, /* Pointer to the table */
- COL_Y, /* Y position of top of title. */
+ COL_Y, /* Y position of top of name. */
N_COLS
};
-static void on_dwgarea_realize (GtkWidget *widget, gpointer data);
-
static gboolean
-expose_event_callback (GtkWidget *widget, GdkEventExpose *event, gpointer data)
+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");
- cairo_t *cr = gdk_cairo_create (widget->window);
+ xr_rendering_draw_all (r, cr);
+ return TRUE;
+}
- const GtkStyle *style = gtk_widget_get_style (GTK_WIDGET (view->output));
+static void
+free_rendering (gpointer rendering_)
+{
+ struct xr_rendering *rendering = rendering_;
+ xr_rendering_destroy (rendering);
+}
+static void
+create_xr (struct psppire_output_view *view)
+{
+ struct text_item *text_item;
PangoFontDescription *font_desc;
+ struct xr_rendering *r;
char *font_name;
+ int font_width;
+ cairo_t *cr;
+ gchar *fgc;
- gchar *fgc =
- gdk_color_to_string (&style->text[gtk_widget_get_state (GTK_WIDGET (view->output))]);
+ GtkStyleContext *context = gtk_widget_get_style_context (GTK_WIDGET (view->output));
+ GtkStateFlags state = gtk_widget_get_state_flags (GTK_WIDGET (view->output));
+ GdkRGBA *fg_color;
- string_map_replace (&view->render_opts, "foreground-color", fgc);
+ gtk_style_context_get (context, state,
+ "font", &font_desc, "color", &fg_color, NULL);
- free (fgc);
+ 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 */
+ /* gdk_rgba_to_string() would be perfect, but xr's parse_color does not */
+ /* understand the rgb(255,128,33) format. Therefore we do it ourself. */
+ fgc = xasprintf("#%4x%4x%4x",(int)(fg_color->red*0xffff),
+ (int)(fg_color->green*0xffff),(int)(fg_color->blue*0xffff));
+ string_map_insert (&view->render_opts, "foreground-color", fgc);
+ g_free (fgc);
+ gdk_rgba_free (fg_color);
/* 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);
+ font_name = pango_font_description_to_string (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_replace (&view->render_opts, "emph-font", font_name);
+ string_map_insert (&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);
+ /* 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);
+ text_item_unref (text_item);
- xr_rendering_draw (r, cr, event->area.x, event->area.y,
- event->area.width, event->area.height);
cairo_destroy (cr);
+}
- return TRUE;
+/* Return the horizontal position to place a widget whose
+ width is CHILD_WIDTH */
+static gint
+get_xpos (const struct psppire_output_view *view, gint child_width)
+{
+ GdkWindow *gdkw = gtk_widget_get_window (GTK_WIDGET (view->output));
+ guint w = gdk_window_get_width (gdkw);
+ int gutter = 0;
+ g_object_get (view->output, "border-width", &gutter, NULL);
+ return (gtk_widget_get_direction (GTK_WIDGET (view->output)) == GTK_TEXT_DIR_RTL) ? w - child_width - gutter: gutter;
}
static void
-free_rendering (gpointer rendering_)
+create_drawing_area (struct psppire_output_view *view,
+ GtkWidget *drawing_area, struct xr_rendering *r,
+ int tw, int th)
{
- struct xr_rendering *rendering = rendering_;
- xr_rendering_destroy (rendering);
+ /* Enable this to help with debugging. It shows you which widgets are being
+ put where. */
+ if (0)
+ {
+ GdkRGBA green = {0, 1, 0, 1};
+ gtk_widget_override_background_color (GTK_WIDGET (view->output),
+ GTK_STATE_NORMAL, &green);
+ GdkRGBA red = {1, 0, 0, 1};
+ gtk_widget_override_background_color (drawing_area, GTK_STATE_NORMAL, &red);
+ }
+
+ g_object_set_data_full (G_OBJECT (drawing_area),
+ "rendering", r, free_rendering);
+
+ g_signal_connect (drawing_area, "draw",
+ G_CALLBACK (draw_callback), view);
+
+ gtk_widget_set_size_request (drawing_area, tw, th);
+ gint xpos = get_xpos (view, tw);
+
+ gtk_layout_put (view->output, drawing_area, xpos, view->y);
+
+ gtk_widget_show (drawing_area);
+}
+
+static void
+rerender (struct psppire_output_view *view)
+{
+ struct output_view_item *item;
+ GdkWindow *gdkw = gtk_widget_get_window (GTK_WIDGET (view->output));
+ cairo_t *cr;
+
+ if (!view->n_items || ! gdkw)
+ return;
+
+ cr = gdk_cairo_create (gdkw);
+ if (view->xr == NULL)
+ create_xr (view);
+ view->y = 0;
+ view->max_width = 0;
+ for (item = view->items; item < &view->items[view->n_items]; item++)
+ {
+ struct xr_rendering *r;
+ GtkAllocation alloc;
+ 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);
+
+ gint xpos = get_xpos (view, tw);
+
+ 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, xpos, view->y);
+ }
+
+ alloc.x = xpos;
+ alloc.y = view->y;
+ alloc.width = tw;
+ alloc.height = th;
+ gtk_widget_size_allocate(item->drawing_area,&alloc);
+
+ 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 title;
+ struct string name;
GtkTreeStore *store;
+ cairo_t *cr = NULL;
GtkTreePath *path;
GtkTreeIter iter;
- 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;
}
- 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);
- }
+ 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;
- if (view->y > 0)
- view->y += view->font_height / 2;
+ if (gtk_widget_get_window (GTK_WIDGET (view->output)))
+ {
+ view_item->drawing_area = drawing_area = gtk_drawing_area_new ();
- r = xr_rendering_create (view->xr, item, cr);
- if (r == NULL)
- goto done;
+ cr = gdk_cairo_create (gtk_widget_get_window (GTK_WIDGET (view->output)));
+ if (view->xr == NULL)
+ create_xr (view);
- xr_rendering_measure (r, &tw, &th);
+ if (view->y > 0)
+ view->y += view->font_height / 2;
- drawing_area = gtk_drawing_area_new ();
+ r = xr_rendering_create (view->xr, item, cr);
+ if (r == NULL)
+ goto done;
- 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);
- g_signal_connect (drawing_area, "expose_event",
- G_CALLBACK (expose_event_callback), view);
+ xr_rendering_measure (r, &tw, &th);
- gtk_widget_set_size_request (drawing_area, tw, th);
- gtk_layout_put (view->output, drawing_area, 0, view->y);
-
- gtk_widget_show (drawing_area);
+ create_drawing_area (view, drawing_area, r, tw, th);
+ }
+ else
+ tw = th = 0;
if (view->overview
&& (!is_text_item (item)
{
store = GTK_TREE_STORE (gtk_tree_view_get_model (view->overview));
- ds_init_empty (&title);
+ 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, p);
}
- ds_clear (&title);
+ ds_clear (&name);
if (is_text_item (item))
- ds_put_cstr (&title, text_item_get_text (to_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 (&title, "%s: %s", _("Message"),
+ ds_put_format (&name, "%s: %s", _("Message"),
msg_severity_to_string (msg->severity));
}
else if (is_table_item (item))
{
- const char *caption = table_item_get_caption (to_table_item (item));
- if (caption != NULL)
- ds_put_format (&title, "Table: %s", caption);
+ 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 (&title, "Table");
+ 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 (&title, "Chart: %s", s);
+ ds_put_format (&name, "Chart: %s", s);
else
- ds_put_cstr (&title, "Chart");
+ ds_put_cstr (&name, "Chart");
}
gtk_tree_store_set (store, &iter,
- COL_TITLE, ds_cstr (&title),
+ COL_NAME, ds_cstr (&name),
COL_ADDR, item,
- COL_Y, view->y,
+ COL_Y, (view->y),
-1);
- ds_destroy (&title);
+ ds_destroy (&name);
path = gtk_tree_model_get_path (GTK_TREE_MODEL (store), &iter);
gtk_tree_view_expand_row (view->overview, path, TRUE);
y = g_value_get_long (&value);
g_value_unset (&value);
- vadj = gtk_layout_get_vadjustment (view->output);
- min = vadj->lower;
- max = vadj->upper - vadj->page_size;
+ vadj = gtk_scrollable_get_vadjustment (GTK_SCROLLABLE (view->output));
+ 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)
}
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)
+on_style_updated (GtkWidget *toplevel, 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));
+ 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);
+ rerender (view);
}
enum {
if ( g_file_get_contents (filename, &text, &length, NULL) )
{
- gtk_selection_data_set (selection_data, selection_data->target,
+ gtk_selection_data_set (selection_data, gtk_selection_data_get_target (selection_data),
8,
(const guchar *) text, length);
}
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);
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, "style-updated", G_CALLBACK (on_style_updated), view);
+ g_signal_connect (output, "size-allocate", G_CALLBACK (on_size_allocate), view);
+
+ gtk_style_context_add_class (gtk_widget_get_style_context (GTK_WIDGET (output)),
+ GTK_STYLE_CLASS_VIEW);
if (overview)
{
model = GTK_TREE_MODEL (gtk_tree_store_new (
N_COLS,
- G_TYPE_STRING, /* COL_TITLE */
+ G_TYPE_STRING, /* COL_NAME */
G_TYPE_POINTER, /* COL_ADDR */
G_TYPE_LONG)); /* COL_Y */
gtk_tree_view_set_model (overview, model);
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_TITLE);
+ 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);
if (!view)
return;
- g_signal_handlers_disconnect_by_func (view->toplevel,
- G_CALLBACK (on_style_set), view);
+ g_signal_handlers_disconnect_by_func (view->output,
+ G_CALLBACK (on_style_updated), view);
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;
free (view);
}
-\f
+
+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;
+}
+
/* Export. */
void
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));
view->print_n_pages ++;
}
return FALSE;
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);
}
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);
+}