#include <errno.h>
#include <stdbool.h>
+#if HAVE_RSVG
+#include "librsvg/rsvg.h"
+#endif
#include "libpspp/assertion.h"
#include "libpspp/string-map.h"
#include "output/cairo.h"
GtkWidget *toplevel;
+ guint buttontime; /* Time of the button event */
+
struct output_view_item *items;
size_t n_items, allocated_items;
+ struct output_view_item *selected_item;
/* Variables pertaining to printing */
GtkPrintSettings *print_settings;
N_COLS
};
+static GtkTargetList *build_target_list (const struct output_item *item);
+static void clipboard_get_cb (GtkClipboard *clipboard,
+ GtkSelectionData *selection_data,
+ guint info,
+ gpointer data);
+
/* Draws a white background on the GtkLayout to match the white background of
each of the output items. */
static gboolean
layout_draw_callback (GtkWidget *widget, cairo_t *cr, gpointer data)
{
- cairo_save (cr);
-
int width = gtk_widget_get_allocated_width (widget);
int height = gtk_widget_get_allocated_height (widget);
- cairo_rectangle (cr, 0, 0, width, height);
- cairo_set_source_rgb (cr, 1.0, 1.0, 1.0);
- cairo_fill (cr);
-
- cairo_restore (cr);
-
+ GtkStyleContext *context = gtk_widget_get_style_context (widget);
+ gtk_render_background (context, cr, 0, 0, width, height);
return FALSE; /* Continue drawing the GtkDrawingAreas. */
}
return TRUE;
struct xr_rendering *r = g_object_get_data (G_OBJECT (widget), "rendering");
+
+ /* Draw the background based on the state of the widget
+ which can be selected or not selected */
+ GtkStyleContext *context = gtk_widget_get_style_context (widget);
+ gtk_render_background (context, cr, clip.x, clip.y,
+ clip.x + clip.width, clip.y + clip.height);
+ /* Select the default foreground color based on current style
+ and state of the widget */
+ GtkStateFlags state = gtk_widget_get_state_flags (widget);
+ GdkRGBA color;
+ gtk_style_context_get_color (context, state, &color);
+ cairo_set_source_rgba (cr, color.red, color.green, color.blue, color.alpha);
xr_rendering_draw (r, cr, clip.x, clip.y,
clip.x + clip.width, clip.y + clip.height);
+
return TRUE;
}
return (gtk_widget_get_direction (GTK_WIDGET (view->output)) == GTK_TEXT_DIR_RTL) ? w - child_width - gutter: gutter;
}
+static struct output_view_item *
+find_selected_item (struct psppire_output_view *view)
+{
+ struct output_view_item *item = NULL;
+ if (view == NULL)
+ return NULL;
+ if (view->items == NULL)
+ return NULL;
+
+ for (item = view->items; item < &view->items[view->n_items]; item++)
+ {
+ GtkWidget *widget = GTK_WIDGET (item->drawing_area);
+ if GTK_IS_WIDGET (widget)
+ {
+ GtkStateFlags state = gtk_widget_get_state_flags (widget);
+ if (state & GTK_STATE_FLAG_SELECTED)
+ return item;
+ }
+ }
+ return NULL;
+}
+
+
+static void
+set_copy_action (struct psppire_output_view *view,
+ gboolean state)
+{
+ GtkWidget *toplevel = gtk_widget_get_toplevel (GTK_WIDGET (view->output));
+ GAction *copy_action = g_action_map_lookup_action (G_ACTION_MAP (toplevel),
+ "copy");
+ g_object_set (copy_action,
+ "enabled", state,
+ NULL);
+}
+
+static void
+clear_selection (struct psppire_output_view *view)
+{
+ if (view == NULL)
+ return;
+ struct output_view_item *item = find_selected_item (view);
+ if (item == NULL)
+ return;
+ set_copy_action (view, FALSE);
+ GtkWidget *widget = GTK_WIDGET (item->drawing_area);
+ if (GTK_IS_WIDGET (widget))
+ {
+ gtk_widget_unset_state_flags (widget, GTK_STATE_FLAG_SELECTED);
+ gtk_widget_queue_draw (widget);
+ }
+}
+
+static gboolean
+off_item_button_press_event_cb (GtkWidget *widget,
+ GdkEventButton *event,
+ struct psppire_output_view *view)
+{
+ /* buttontime is set by button_press_event_cb
+ If our event->time is equal to the time from the
+ button_press_event_cb, then we handle the same event.
+ In that case we must not clear the selection because
+ it was just set by button_press_event_cb from the item */
+ if (event->time != view->buttontime)
+ clear_selection (view);
+ return FALSE; /* Forward the event -> DragNDrop */
+}
+
+static gboolean
+button_press_event_cb (GtkWidget *widget,
+ GdkEventButton *event,
+ struct psppire_output_view *view)
+{
+ view->buttontime = event->time;
+ clear_selection (view);
+ set_copy_action (view, TRUE);
+ gtk_widget_set_state_flags (widget, GTK_STATE_FLAG_SELECTED, FALSE);
+ gtk_widget_queue_draw (widget);
+ return FALSE; /* Forward Event -> off_item will trigger */
+}
+
+static void
+drag_data_get_cb (GtkWidget *widget, GdkDragContext *context,
+ GtkSelectionData *selection_data,
+ guint target_type, guint time,
+ struct psppire_output_view *view)
+{
+ view->selected_item = find_selected_item (view);
+ clipboard_get_cb (NULL, selection_data, target_type, view);
+}
+
static void
create_drawing_area (struct psppire_output_view *view,
GtkWidget *drawing_area, struct xr_rendering *r,
- int tw, int th)
+ int tw, int th, const struct output_item *item)
{
+ struct string_map options = STRING_MAP_INITIALIZER (options);
+ string_map_insert (&options, "transparent", "true");
+ string_map_insert (&options, "systemcolors", "true");
+ xr_rendering_apply_options (r, &options);
+
g_object_set_data_full (G_OBJECT (drawing_area),
"rendering", r, free_rendering);
-
+ g_signal_connect (drawing_area, "button-press-event",
+ G_CALLBACK (button_press_event_cb), view);
+ gtk_widget_add_events (drawing_area, GDK_BUTTON_PRESS_MASK);
+
+ { /* Drag and Drop */
+ GtkTargetList *tl = build_target_list (item);
+ g_assert (tl);
+ gtk_drag_source_set (drawing_area, GDK_BUTTON1_MASK, NULL, 0, GDK_ACTION_COPY);
+ gtk_drag_source_set_target_list (drawing_area, tl);
+ gtk_target_list_unref (tl);
+ g_signal_connect (drawing_area, "drag-data-get",
+ G_CALLBACK (drag_data_get_cb), view);
+ }
+ GtkStyleContext *context = gtk_widget_get_style_context (drawing_area);
+ gtk_style_context_add_class (context,
+ GTK_STYLE_CLASS_VIEW);
g_signal_connect (drawing_area, "draw",
G_CALLBACK (draw_callback), view);
if (!item->drawing_area)
{
item->drawing_area = gtk_drawing_area_new ();
- create_drawing_area (view, item->drawing_area, r, tw, th);
+ create_drawing_area (view, item->drawing_area, r, tw, th, item->item);
}
else
{
cairo_region_destroy (region);
}
+
void
psppire_output_view_put (struct psppire_output_view *view,
const struct output_item *item)
}
xr_rendering_measure (r, &tw, &th);
-
- create_drawing_area (view, drawing_area, r, tw, th);
+ create_drawing_area (view, drawing_area, r, tw, th, item);
gdk_window_end_draw_frame (win, ctx);
cairo_region_destroy (region);
}
SELECT_FMT_TEXT,
SELECT_FMT_UTF8,
SELECT_FMT_HTML,
+ SELECT_FMT_SVG,
+ SELECT_FMT_IMG,
SELECT_FMT_ODT
};
# define PATH_MAX 1024
#endif
+/* Returns a pixbuf from a svg file */
+/* You must unref the pixbuf after usage */
+static GdkPixbuf *
+derive_pixbuf_from_svg (const char *filename)
+{
+ GError *err = NULL;
+ GdkPixbuf *pixbuf = NULL;
+#if HAVE_RSVG
+ RsvgHandle *handle = rsvg_handle_new_from_file (filename, &err);
+ if (err == NULL)
+ {
+ rsvg_handle_set_dpi (handle, 300.0);
+ pixbuf = rsvg_handle_get_pixbuf (handle);
+ g_object_unref (handle);
+ }
+#else
+ pixbuf = gdk_pixbuf_new_from_file (filename, &err);
+#endif
+ if (err != NULL)
+ {
+ msg (ME, _("Could not open file %s during copy operation: %s"),
+ filename, err->message);
+ g_error_free (err);
+ return NULL;
+ }
+ return pixbuf;
+}
+
static void
clipboard_get_cb (GtkClipboard *clipboard,
GtkSelectionData *selection_data,
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)
+ if (view->selected_item == NULL)
return;
if (path_search (dirname, sizeof dirname, NULL, NULL, true)
string_map_insert (&options, "css", "false");
break;
+ case SELECT_FMT_SVG:
+ case SELECT_FMT_IMG:
+ /* see below */
+ break;
+
case SELECT_FMT_ODT:
string_map_insert (&options, "format", "odt");
break;
break;
}
- driver = output_driver_create (&options);
- if (driver == NULL)
- goto finish;
-
- while (n)
+ if ((info == SELECT_FMT_IMG) ||
+ (info == SELECT_FMT_SVG) )
{
- 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;
+ GtkWidget *widget = view->selected_item->drawing_area;
+ struct xr_rendering *r = g_object_get_data (G_OBJECT (widget), "rendering");
+ xr_draw_svg_file (r, filename);
}
+ else
+ {
+ driver = output_driver_create (&options);
+ if (driver == NULL)
+ goto finish;
- if (driver->class->flush)
- driver->class->flush (driver);
+ driver->class->submit (driver, view->selected_item->item);
+ 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;
+ /* 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))
+ if (info == SELECT_FMT_IMG)
{
- gtk_selection_data_set (selection_data, gtk_selection_data_get_target (selection_data),
- 8,
- (const guchar *) text, length);
+ GdkPixbuf *pixbuf = derive_pixbuf_from_svg (filename);
+ if (pixbuf)
+ {
+ gtk_selection_data_set_pixbuf (selection_data, pixbuf);
+ g_object_unref (pixbuf);
+ }
}
+ else 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:
unlink (filename);
free (filename);
rmdir (dirname);
-
- g_list_free (rows);
}
static void
{
}
-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 },
+#define CBTARGETS \
+CT ( ctn1, "STRING", 0, SELECT_FMT_TEXT ) \
+CT ( ctn2, "TEXT", 0, SELECT_FMT_TEXT ) \
+CT ( ctn3, "COMPOUND_TEXT", 0, SELECT_FMT_TEXT ) \
+CT ( ctn4, "text/plain", 0, SELECT_FMT_TEXT ) \
+CT ( ctn5, "UTF8_STRING", 0, SELECT_FMT_UTF8 ) \
+CT ( ctn6, "text/plain;charset=utf-8", 0, SELECT_FMT_UTF8 ) \
+CT ( ctn7, "text/html", 0, SELECT_FMT_HTML ) \
+CT ( ctn8, "image/svg+xml", 0, SELECT_FMT_SVG )
+
+#define CT(ID, TARGET, FLAGS, INFO) static gchar ID[] = TARGET;
+CBTARGETS
+#undef CT
+gchar ctnlast[] = "application/vnd.oasis.opendocument.text";
- { "text/html", 0, SELECT_FMT_HTML },
-
- { "application/vnd.oasis.opendocument.text", 0, SELECT_FMT_ODT }
+static const GtkTargetEntry targets[] = {
+#define CT(ID, TARGET, FLAGS, INFO) { ID, FLAGS, INFO },
+ CBTARGETS
+#undef CT
+ { ctnlast, 0, SELECT_FMT_ODT }
};
+static GtkTargetList *
+build_target_list (const struct output_item *item)
+{
+ GtkTargetList *tl = gtk_target_list_new (targets, G_N_ELEMENTS (targets));
+ g_return_val_if_fail (tl, NULL);
+ if (is_table_item (item) ||
+ is_chart_item (item))
+ gtk_target_list_add_image_targets (tl, SELECT_FMT_IMG, TRUE);
+ return tl;
+}
+
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),
+ struct output_view_item *ov_item = find_selected_item (view);
+ if (ov_item == NULL)
+ return;
+ view->selected_item = ov_item;
+ GtkTargetList *tl = build_target_list (ov_item->item);
+ g_return_if_fail (tl);
+ gint no_of_targets = 0;
+ GtkTargetEntry *ta = gtk_target_table_new_from_list (tl, &no_of_targets);
+ g_return_if_fail (ta);
+ if (!gtk_clipboard_set_with_data (cb, ta, no_of_targets,
clipboard_get_cb, clipboard_clear_cb,
view))
clipboard_clear_cb (cb, view);
-}
-
-static void
-on_selection_change (GtkTreeSelection *sel, GAction *copy_action)
-{
- /* The Copy action is available only if there is something selected */
- g_object_set (copy_action,
- "enabled", gtk_tree_selection_count_selected_rows (sel) > 0,
- NULL);
-}
-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);
+ gtk_target_list_unref (tl);
+ gtk_target_table_free (ta,no_of_targets);
}
static void
static void
on_realize (GtkWidget *overview, GObject *view)
{
- GtkTreeSelection *sel = gtk_tree_view_get_selection (GTK_TREE_VIEW (overview));
- gtk_tree_selection_set_mode (sel, GTK_SELECTION_MULTIPLE);
-
GtkWidget *toplevel = gtk_widget_get_toplevel (GTK_WIDGET (overview));
GAction *copy_action = g_action_map_lookup_action (G_ACTION_MAP (toplevel),
"select-all");
g_object_set (copy_action, "enabled", FALSE, NULL);
-
- g_signal_connect_swapped (select_all_action, "activate",
- G_CALLBACK (on_select_all), view);
+ g_object_set (select_all_action, "enabled", FALSE, NULL);
g_signal_connect_swapped (copy_action, "activate",
G_CALLBACK (on_copy), view);
- g_signal_connect (sel, "changed", G_CALLBACK (on_selection_change),
- copy_action);
}
struct psppire_output_view *
view->overview = overview;
view->cur_group = NULL;
view->toplevel = gtk_widget_get_toplevel (GTK_WIDGET (output));
+ view->buttontime = 0;
view->items = NULL;
view->n_items = view->allocated_items = 0;
+ view->selected_item = NULL;
view->print_settings = NULL;
view->print_xrd = NULL;
view->print_item = 0;
g_signal_connect (output, "size-allocate", G_CALLBACK (on_size_allocate), view);
+ gtk_widget_add_events (GTK_WIDGET (output), GDK_BUTTON_PRESS_MASK);
+ g_signal_connect (output, "button-press-event",
+ G_CALLBACK (off_item_button_press_event_cb), view);
+
gtk_style_context_add_class (gtk_widget_get_style_context (GTK_WIDGET (output)),
GTK_STYLE_CLASS_VIEW);
projects / pspp / blobdiff