/* PSPPIRE - a graphical user interface for PSPP.
- Copyright (C) 2008-2014 Free Software Foundation.
+ Copyright (C) 2008-2015, 2016 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 <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"
#include "output/driver-provider.h"
#include "output/driver.h"
#include "output/chart-item.h"
+#include "output/group-item.h"
#include "output/message-item.h"
#include "output/output-item.h"
+#include "output/output-item-provider.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;
+ glong y;
struct string_map render_opts;
GtkTreeView *overview;
- GtkTreeIter cur_command;
- bool in_command;
+ GtkTreePath *cur_group;
GtkWidget *toplevel;
- struct output_item **items;
+ 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;
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 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
-expose_event_callback (GtkWidget *widget, GdkEventExpose *event, gpointer data)
+layout_draw_callback (GtkWidget *widget, cairo_t *cr, gpointer data)
{
- struct psppire_output_view *view = data;
+ int width = gtk_widget_get_allocated_width (widget);
+ int height = gtk_widget_get_allocated_height (widget);
+ GtkStyleContext *context = gtk_widget_get_style_context (widget);
+ gtk_render_background (context, cr, 0, 0, width, height);
+ return FALSE; /* Continue drawing the GtkDrawingAreas. */
+}
+
+static gboolean
+draw_callback (GtkWidget *widget, cairo_t *cr, gpointer data)
+{
+ GdkRectangle clip;
+ if (!gdk_cairo_get_clip_rectangle (cr, &clip))
+ return TRUE;
+
struct xr_rendering *r = g_object_get_data (G_OBJECT (widget), "rendering");
- cairo_t *cr = gdk_cairo_create (widget->window);
- const GtkStyle *style = gtk_widget_get_style (GTK_WIDGET (view->output));
+ /* 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);
- PangoFontDescription *font_desc;
- char *font_name;
+ return TRUE;
+}
- gchar *fgc =
- gdk_color_to_string (&style->text[gtk_widget_get_state (GTK_WIDGET (view->output))]);
+static void
+free_rendering (gpointer rendering_)
+{
+ struct xr_rendering *rendering = rendering_;
+ xr_rendering_destroy (rendering);
+}
- string_map_replace (&view->render_opts, "foreground-color", fgc);
+static void
+get_xr_options (struct psppire_output_view *view, struct string_map *options)
+{
+ string_map_clear (options);
- free (fgc);
+ GtkStyleContext *context
+ = gtk_widget_get_style_context (GTK_WIDGET (view->output));
+ GtkStateFlags state = gtk_widget_get_state_flags (GTK_WIDGET (view->output));
/* 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);
+ PangoFontDescription *font_desc;
+ gtk_style_context_get (context, state, "font", &font_desc, NULL);
+ char *font_name = pango_font_description_to_string (font_desc);
+ string_map_insert (options, "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 (options, "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 (options, xstrdup ("paper-size"),
+ xasprintf ("%dx1000000pt", view->render_width));
+ string_map_insert (options, "left-margin", "0");
+ string_map_insert (options, "right-margin", "0");
+ string_map_insert (options, "top-margin", "0");
+ string_map_insert (options, "bottom-margin", "0");
+}
- xr_rendering_draw (r, cr, event->area.x, event->area.y,
- event->area.width, event->area.height);
- cairo_destroy (cr);
+static void
+create_xr (struct psppire_output_view *view)
+{
+ get_xr_options (view, &view->render_opts);
- return TRUE;
+ struct string_map options;
+ string_map_clone (&options, &view->render_opts);
+
+ GdkWindow *win = gtk_layout_get_bin_window (view->output);
+ cairo_region_t *region = gdk_window_get_visible_region (win);
+ GdkDrawingContext *ctx = gdk_window_begin_draw_frame (win, region);
+ cairo_t *cr = gdk_drawing_context_get_cairo_context (ctx);
+
+ view->xr = xr_driver_create (cr, &options);
+ string_map_destroy (&options);
+
+ struct text_item *text_item = text_item_create (TEXT_ITEM_LOG, "X");
+ struct xr_rendering *r
+ = xr_rendering_create (view->xr, text_item_super (text_item), cr);
+ xr_rendering_measure (r, NULL, &view->font_height);
+ xr_rendering_destroy (r);
+ text_item_unref (text_item);
+
+ gdk_window_end_draw_frame (win, ctx);
+ cairo_region_destroy (region);
+}
+
+/* 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 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
-free_rendering (gpointer rendering_)
+set_copy_action (struct psppire_output_view *view,
+ gboolean state)
{
- struct xr_rendering *rendering = rendering_;
- xr_rendering_destroy (rendering);
+ 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, 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);
+
+ 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));
+
+ if (!view->n_items || ! gdkw)
+ return;
+
+ if (view->xr == NULL)
+ create_xr (view);
+
+ GdkWindow *win = gtk_layout_get_bin_window (view->output);
+ cairo_region_t *region = gdk_window_get_visible_region (win);
+ GdkDrawingContext *ctx = gdk_window_begin_draw_frame (win, region);
+ cairo_t *cr = gdk_drawing_context_get_cairo_context (ctx);
+
+ 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;
+
+ if (is_group_open_item (item->item))
+ continue;
+
+ 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, item->item);
+ }
+ 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);
+ }
+
+ {
+ gint minw;
+ gint minh;
+ /* This code probably doesn't bring us anthing, but Gtk
+ shows warnings if get_preferred_width/height is not
+ called before the size_allocate below is called. */
+ gtk_widget_get_preferred_width (item->drawing_area, &minw, NULL);
+ gtk_widget_get_preferred_height (item->drawing_area, &minh, NULL);
+ if (th > minh) th = minh;
+ if (tw > minw) tw = minw;
+ }
+ 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->font_height,
+ view->y + view->font_height);
+
+ gdk_window_end_draw_frame (win, ctx);
+ cairo_region_destroy (region);
+}
+
+
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;
- GtkTreeStore *store;
- GtkTreePath *path;
- GtkTreeIter iter;
- cairo_t *cr;
+ struct string name;
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))
+ if (is_group_close_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)
+ if (view->cur_group)
{
- view->in_command = false;
- return;
+ if (!gtk_tree_path_up (view->cur_group))
+ {
+ gtk_tree_path_free (view->cur_group);
+ view->cur_group = NULL;
+ }
}
- else if (text[0] == '\0')
- return;
+ return;
}
-
- cr = gdk_cairo_create (GTK_WIDGET (view->output)->window);
- if (view->xr == NULL)
+ else if (is_text_item (item))
{
- 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);
+ const struct text_item *text_item = to_text_item (item);
+ const char *text = text_item_get_text (text_item);
+ if (text[0] == '\0')
+ return;
}
- if (view->y > 0)
- view->y += view->font_height / 2;
-
- r = xr_rendering_create (view->xr, item, cr);
- if (r == NULL)
- goto done;
+ 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;
+
+ GdkWindow *win = gtk_widget_get_window (GTK_WIDGET (view->output));
+ if (is_group_open_item (item))
+ tw = th = 0;
+ else if (win)
+ {
+ view_item->drawing_area = drawing_area = gtk_drawing_area_new ();
- xr_rendering_measure (r, &tw, &th);
+ if (view->xr == NULL)
+ create_xr (view);
- drawing_area = gtk_drawing_area_new ();
+ cairo_region_t *region = gdk_window_get_visible_region (win);
+ GdkDrawingContext *ctx = gdk_window_begin_draw_frame (win, region);
+ cairo_t *cr = gdk_drawing_context_get_cairo_context (ctx);
- 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);
+ if (view->y > 0)
+ view->y += view->font_height / 2;
- gtk_widget_set_size_request (drawing_area, tw, th);
- gtk_layout_put (view->output, drawing_area, 0, view->y);
+ struct xr_rendering *r = xr_rendering_create (view->xr, item, cr);
+ if (r == NULL)
+ {
+ gdk_window_end_draw_frame (win, ctx);
+ cairo_region_destroy (region);
+ return;
+ }
- gtk_widget_show (drawing_area);
+ xr_rendering_measure (r, &tw, &th);
+ create_drawing_area (view, drawing_area, r, tw, th, item);
+ gdk_window_end_draw_frame (win, ctx);
+ cairo_region_destroy (region);
+ }
+ 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))
+ if (view->overview)
{
- store = GTK_TREE_STORE (gtk_tree_view_get_model (view->overview));
+ GtkTreeStore *store = GTK_TREE_STORE (
+ gtk_tree_view_get_model (view->overview));
- ds_init_empty (&title);
- 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;
- }
+ ds_init_empty (&name);
+
+ /* Create a new node in the tree and puts a reference to it in 'iter'. */
+ GtkTreeIter iter;
+ GtkTreeIter parent;
+ if (view->cur_group
+ && gtk_tree_path_get_depth (view->cur_group) > 0
+ && gtk_tree_model_get_iter (GTK_TREE_MODEL (store),
+ &parent, view->cur_group))
+ gtk_tree_store_append (store, &iter, &parent);
else
+ gtk_tree_store_append (store, &iter, NULL);
+
+ if (is_group_open_item (item))
{
- GtkTreeIter *p = view->in_command ? &view->cur_command : NULL;
- gtk_tree_store_append (store, &iter, p);
+ gtk_tree_path_free (view->cur_group);
+ view->cur_group = gtk_tree_model_get_path (GTK_TREE_MODEL (store),
+ &iter);
}
- ds_clear (&title);
+ ds_clear (&name);
if (is_text_item (item))
- ds_put_cstr (&title, text_item_get_text (to_text_item (item)));
+ {
+ const struct text_item *text_item = to_text_item (item);
+ ds_put_cstr (&name, text_item_type_to_string (
+ text_item_get_type (text_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 struct table_item_text *title
+ = table_item_get_title (to_table_item (item));
+ if (title != NULL)
+ ds_put_format (&name, "Table: %s", title->content);
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");
}
+ else if (is_group_open_item (item))
+ ds_put_cstr (&name, to_group_open_item (item)->command_name);
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);
+ GtkTreePath *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);
}
view->y += th;
gtk_layout_set_size (view->output, view->max_width, view->y);
-
-done:
- cairo_destroy (cr);
}
static void
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)
+on_style_updated (GtkWidget *toplevel, struct psppire_output_view *view)
{
- 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]);
- }
-}
+ if (!view->n_items || !gtk_widget_get_window (GTK_WIDGET (view->output)))
+ return;
-/* 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);
-}
+ /* GTK+ fires this signal for trivial changes like the mouse moving in or out
+ of the window. Check whether the actual rendering options changed and
+ re-render only if they did. */
+ struct string_map options = STRING_MAP_INITIALIZER (options);
+ get_xr_options (view, &options);
+ if (!string_map_equals (&options, &view->render_opts))
+ {
+ xr_driver_destroy (view->xr);
+ view->xr = NULL;
-static void
-on_dwgarea_realize (GtkWidget *dwg_area, gpointer data)
-{
- copy_base_to_bg (dwg_area, gtk_widget_get_toplevel (dwg_area));
+ rerender (view);
+ }
+ string_map_destroy (&options);
}
enum {
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, selection_data->target,
- 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 },
+#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";
- { "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 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);
+
+ gtk_target_list_unref (tl);
+ gtk_target_table_free (ta,no_of_targets);
}
static void
-on_selection_change (GtkTreeSelection *sel, GtkAction *copy_action)
+on_size_allocate (GtkWidget *widget,
+ GdkRectangle *allocation,
+ struct psppire_output_view *view)
{
- /* 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);
+ view->render_width = MAX (300, allocation->width);
+ rerender (view);
}
static void
-on_select_all (struct psppire_output_view *view)
+on_realize (GtkWidget *overview, GObject *view)
{
- GtkTreeSelection *sel = gtk_tree_view_get_selection (view->overview);
- gtk_tree_view_expand_all (view->overview);
- gtk_tree_selection_select_all (sel);
+ GtkWidget *toplevel = gtk_widget_get_toplevel (GTK_WIDGET (overview));
+
+ GAction *copy_action = g_action_map_lookup_action (G_ACTION_MAP (toplevel),
+ "copy");
+
+ GAction *select_all_action = g_action_map_lookup_action (G_ACTION_MAP (toplevel),
+ "select-all");
+
+ g_object_set (copy_action, "enabled", FALSE, NULL);
+ g_object_set (select_all_action, "enabled", FALSE, NULL);
+
+ g_signal_connect_swapped (copy_action, "activate",
+ G_CALLBACK (on_copy), view);
+
}
struct psppire_output_view *
-psppire_output_view_new (GtkLayout *output, GtkTreeView *overview,
- GtkAction *copy_action, GtkAction *select_all_action)
+psppire_output_view_new (GtkLayout *output, GtkTreeView *overview)
{
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->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;
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, "draw", G_CALLBACK (layout_draw_callback), NULL);
+
+ 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_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);
if (overview)
{
+ g_signal_connect (overview, "realize", G_CALLBACK (on_realize), view);
+
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);
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_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);
-
- 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;
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;
xr_driver_destroy (view->xr);
+ if (view->cur_group)
+ gtk_tree_path_free (view->cur_group);
+
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);
}
}
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;
}
complete. Don't let that screw up printing. */
return TRUE;
}
- else if ( view->print_item < view->n_items )
+ 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);
}
GtkPrintOperation *print = gtk_print_operation_new ();
- if (view->print_settings != NULL)
+ 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_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);
+}