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Diffstat (limited to 'gcr/gcr-display-view.c')
| -rw-r--r-- | gcr/gcr-display-view.c | 1243 |
1 files changed, 0 insertions, 1243 deletions
diff --git a/gcr/gcr-display-view.c b/gcr/gcr-display-view.c deleted file mode 100644 index 8010a689..00000000 --- a/gcr/gcr-display-view.c +++ /dev/null @@ -1,1243 +0,0 @@ -/* - * Copyright (C) 2010 Stefan Walter - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU Lesser General Public License as - * published by the Free Software Foundation; either version 2.1 of - * the License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * Lesser General Public License for more details. - * - * You should have received a copy of the GNU Lesser General Public - * License along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA - * 02111-1307, USA. - */ - -#include "config.h" - -#include "gcr-display-view.h" -#include "gcr-renderer.h" -#include "gcr-viewer.h" - -#include "egg/egg-oid.h" -#include "egg/egg-hex.h" - -#include <gdk/gdk.h> -#include <glib/gi18n-lib.h> - -static void _gcr_display_view_viewer_iface (GcrViewerIface *iface); - -G_DEFINE_TYPE_WITH_CODE (GcrDisplayView, _gcr_display_view, GTK_TYPE_TEXT_VIEW, - G_IMPLEMENT_INTERFACE (GCR_TYPE_VIEWER, _gcr_display_view_viewer_iface)); - -#define ZWSP "\342\200\213" -#define NORMAL_MARGIN 10 -#define FIELD_MARGIN 17 -#define COLUMN_MARGIN 6 -#define ICON_MARGIN 8 -#define MESSAGE_PADDING 8 - -typedef struct _GcrDisplayItem { - GcrDisplayView *display_view; - GcrRenderer *renderer; - gboolean expanded; - gboolean details; - GtkTextMark *beginning; - GtkTextMark *ending; - GtkWidget *details_widget; - GtkTextChildAnchor *area_anchor; - GtkTextTag *extra_tag; - gint field_width; - GdkPixbuf *pixbuf; - GtkTextTag *field_tag; - GtkTextTag *details_tag; - gulong data_changed_id; -} GcrDisplayItem; - -struct _GcrDisplayViewPrivate { - GtkTextBuffer *buffer; - GPtrArray *renderers; - GHashTable *items; - GtkTextTag *title_tag; - GtkTextTag *content_tag; - GtkTextTag *heading_tag; - GtkTextTag *message_tag; - GtkTextTag *monospace_tag; - GtkTextTag *area_tag; - GcrDisplayItem *current_item; - gint text_height; - GdkCursor *cursor; - - gboolean have_measurements; - gint minimal_width; - gint natural_width; - gint minimal_height; - gint natural_height; -}; - -/* ----------------------------------------------------------------------------- - * INTERNAL - */ - -static void -ensure_measurements (GcrDisplayView *self) -{ - PangoLayout *layout; - PangoRectangle extents; - gint icon_width; - gint icon_height; - GHashTableIter iter; - GcrDisplayItem *item; - gpointer value; - gboolean expanded; - - if (self->pv->have_measurements) - return; - - /* See if anything is expanded? */ - expanded = FALSE; - g_hash_table_iter_init (&iter, self->pv->items); - while (g_hash_table_iter_next (&iter, NULL, &value)) { - item = value; - if (item->expanded) { - expanded = TRUE; - break; - } - } - - /* - * We use a string in our widget font as the basis for our measurements. - * These are just estimates of what we need, and what looks goodish. - * There's room here for improvement. If this is causes problems for - * you or bothers you, scratch that itch: - */ - - layout = gtk_widget_create_pango_layout (GTK_WIDGET (self), "0123456789"); - pango_layout_get_extents (layout, NULL, &extents); - pango_extents_to_pixels (&extents, NULL); - g_object_unref (layout); - - if (!gtk_icon_size_lookup (GTK_ICON_SIZE_DIALOG, &icon_width, &icon_height)) { - icon_width = 48; - icon_height = 48; - } - - if (expanded) { - /* If expanded, display more 10 lines at least */ - self->pv->minimal_height = extents.height * 14; - self->pv->natural_height = extents.height * 25; - } else { - /* If not expanded we can get by with 9 lines */ - self->pv->minimal_height = extents.height * 8; - self->pv->natural_height = extents.height * 9; - } - - self->pv->minimal_width = icon_width + (extents.width * 5); - self->pv->natural_width = icon_width + (extents.width * 8); - self->pv->have_measurements = TRUE; -} - -static void -ensure_text_height (GcrDisplayView *self) -{ - PangoRectangle extents; - PangoLayout *layout; - - if (self->pv->text_height > 0) - return; - - layout = gtk_widget_create_pango_layout (GTK_WIDGET (self), "Wp"); - pango_layout_get_extents (layout, NULL, &extents); - pango_extents_to_pixels (&extents, NULL); - g_object_unref (layout); - - self->pv->text_height = extents.height; -} - -static void -recalculate_and_resize (GcrDisplayView *self) -{ - self->pv->have_measurements = FALSE; - gtk_widget_queue_resize (GTK_WIDGET (self)); -} - -static GtkTextTagTable* -create_tag_table (GcrDisplayView *self) -{ - GtkTextTagTable *tags; - gint width, height; - - g_assert (GCR_IS_DISPLAY_VIEW (self)); - - tags = gtk_text_tag_table_new (); - - if (!gtk_icon_size_lookup (GTK_ICON_SIZE_DIALOG, &width, &height)) - width = 48; - - self->pv->title_tag = g_object_new (GTK_TYPE_TEXT_TAG, - "name", "title", - "scale", PANGO_SCALE_LARGE, - "right-margin", (ICON_MARGIN * 2) + width, - "pixels-below-lines", 6, - "weight", PANGO_WEIGHT_BOLD, - NULL); - gtk_text_tag_table_add (tags, self->pv->title_tag); - - self->pv->content_tag = g_object_new (GTK_TYPE_TEXT_TAG, - "name", "content", - "right-margin", (ICON_MARGIN * 2) + width, - "left-margin", FIELD_MARGIN, - "pixels-below-lines", 3, - "wrap-mode", GTK_WRAP_WORD, - NULL); - gtk_text_tag_table_add (tags, self->pv->content_tag); - - self->pv->message_tag = g_object_new (GTK_TYPE_TEXT_TAG, - "name", "message", - "right-margin", (ICON_MARGIN * 2) + width, - "rise", 3 * PANGO_SCALE, - "pixels-below-lines", 3, - "wrap-mode", GTK_WRAP_WORD, - NULL); - gtk_text_tag_table_add (tags, self->pv->message_tag); - - self->pv->heading_tag = g_object_new (GTK_TYPE_TEXT_TAG, - "name", "heading", - "pixels-above-lines", 9, - "pixels-below-lines", 3, - "weight", PANGO_WEIGHT_BOLD, - NULL); - gtk_text_tag_table_add (tags, self->pv->heading_tag); - - self->pv->monospace_tag = g_object_new (GTK_TYPE_TEXT_TAG, - "name", "monospace", - "family", "monospace", - NULL); - gtk_text_tag_table_add (tags, self->pv->monospace_tag); - - self->pv->area_tag = g_object_new (GTK_TYPE_TEXT_TAG, - "name", "area", - "justification", GTK_JUSTIFY_CENTER, - NULL); - gtk_text_tag_table_add (tags, self->pv->area_tag); - - return tags; -} - -static void -on_expander_realize (GtkWidget *widget, gpointer user_data) -{ - GdkCursor *cursor = gdk_cursor_new (GDK_ARROW); - gdk_window_set_cursor (gtk_widget_get_window (widget), cursor); - g_object_unref (cursor); -} - -static void -on_expander_expanded (GObject *object, GParamSpec *param_spec, gpointer user_data) -{ - GtkExpander *expander = GTK_EXPANDER (object); - GcrDisplayItem *item = user_data; - item->expanded = gtk_expander_get_expanded (expander); - gcr_renderer_render_view (item->renderer, GCR_VIEWER (item->display_view)); - recalculate_and_resize (item->display_view); -} - -static void -style_display_item (GtkWidget *widget, GcrDisplayItem *item) -{ - GtkStyleContext *style; - GdkRGBA color; - - style = gtk_widget_get_style_context (GTK_WIDGET (widget)); - gtk_style_context_save (style); - - gtk_style_context_add_class (style, GTK_STYLE_CLASS_VIEW); - gtk_style_context_get_background_color (style, GTK_STATE_FLAG_NORMAL, &color); - - gtk_style_context_restore (style); - - color.red = 255; - color.green = 0; - color.blue = 0; - gtk_widget_override_background_color (item->details_widget, GTK_STATE_FLAG_NORMAL, &color); -} - -static GcrDisplayItem* -create_display_item (GcrDisplayView *self, GcrRenderer *renderer) -{ - GcrDisplayItem *item; - GtkTextTagTable *tags; - GtkTextIter iter; - GtkWidget *widget; - GtkWidget *label; - GtkWidget *alignment; - gchar *text; - - item = g_new0 (GcrDisplayItem, 1); - item->display_view = self; - item->renderer = renderer; - - tags = gtk_text_buffer_get_tag_table (self->pv->buffer); - - g_assert (!item->field_tag); - item->field_width = 0; - item->field_tag = g_object_new (GTK_TYPE_TEXT_TAG, - "left-margin", item->field_width + FIELD_MARGIN, - "indent", item->field_width, - "pixels-below-lines", 3, - "wrap-mode", GTK_WRAP_WORD_CHAR, - NULL); - gtk_text_tag_table_add (tags, item->field_tag); - - g_assert (!item->details_tag); - item->details_tag = g_object_new (GTK_TYPE_TEXT_TAG, NULL); - gtk_text_tag_table_add (tags, item->details_tag); - - /* - * Add two lines space that delimit this from later items. The - * item will live between the two zero width spaces. - */ - gtk_text_buffer_get_end_iter (self->pv->buffer, &iter); - gtk_text_buffer_insert (self->pv->buffer, &iter, "\n\n", -1); - if (!gtk_text_iter_backward_char (&iter)) - g_assert_not_reached (); - - /* The mark that determines the beginning of this item, with left gravity. */ - item->beginning = gtk_text_buffer_create_mark (self->pv->buffer, NULL, &iter, TRUE); - g_object_ref (item->beginning); - - /* The mark that determines the end of this item, with right gravity. */ - item->ending = gtk_text_buffer_create_mark (self->pv->buffer, NULL, &iter, FALSE); - g_object_ref (item->ending); - - widget = gtk_expander_new_with_mnemonic (""); - label = gtk_expander_get_label_widget (GTK_EXPANDER (widget)); - text = g_strdup_printf ("<b>%s</b>", _("_Details")); - gtk_label_set_markup_with_mnemonic (GTK_LABEL (label), text); - g_signal_connect (widget, "notify::expanded", G_CALLBACK (on_expander_expanded), item); - g_signal_connect (widget, "realize", G_CALLBACK (on_expander_realize), NULL); - item->expanded = gtk_expander_get_expanded (GTK_EXPANDER (widget)); - g_free (text); - - alignment = gtk_alignment_new (0.5, 0.5, 0.5, 0.5); - gtk_alignment_set_padding (GTK_ALIGNMENT (alignment), 6, 9, 0, 0); - gtk_container_add (GTK_CONTAINER (alignment), widget); - gtk_widget_show_all (alignment); - - item->details_widget = gtk_event_box_new (); - gtk_event_box_set_visible_window (GTK_EVENT_BOX (item->details_widget), FALSE); - gtk_container_add (GTK_CONTAINER (item->details_widget), alignment); - g_signal_connect (item->details_widget, "realize", G_CALLBACK (on_expander_realize), NULL); - g_object_ref (item->details_widget); - - if (gtk_widget_get_realized (GTK_WIDGET (self))) - style_display_item (GTK_WIDGET (self), item); - - return item; -} - -static void -destroy_display_item (gpointer data) -{ - GcrDisplayItem *item = data; - GtkTextIter iter, end; - GtkTextTagTable *tags; - GcrDisplayView *self; - - g_assert (item); - - g_assert (GCR_IS_DISPLAY_VIEW (item->display_view)); - self = item->display_view; - - tags = gtk_text_buffer_get_tag_table (self->pv->buffer); - gtk_text_tag_table_remove (tags, item->field_tag); - gtk_text_tag_table_remove (tags, item->details_tag); - - g_object_unref (item->field_tag); - g_object_unref (item->details_tag); - - if (item->pixbuf) - g_object_unref (item->pixbuf); - item->pixbuf = NULL; - - g_assert (item->details_widget); - g_object_unref (item->details_widget); - item->details_widget = NULL; - - g_clear_object (&item->area_anchor); - - g_return_if_fail (!gtk_text_mark_get_deleted (item->beginning)); - g_return_if_fail (!gtk_text_mark_get_deleted (item->ending)); - - /* Setup iters to encompass our delemiter characters see create_display_item() */ - gtk_text_buffer_get_iter_at_mark (self->pv->buffer, &iter, item->beginning); - gtk_text_iter_backward_char (&iter); - gtk_text_buffer_get_iter_at_mark (self->pv->buffer, &end, item->ending); - gtk_text_iter_forward_char (&end); - gtk_text_buffer_delete (self->pv->buffer, &iter, &end); - - gtk_text_buffer_delete_mark (self->pv->buffer, item->beginning); - gtk_text_buffer_delete_mark (self->pv->buffer, item->ending); - - g_object_unref (item->beginning); - g_object_unref (item->ending); - - g_free (item); -} - -static GcrDisplayItem* -lookup_display_item (GcrDisplayView *self, GcrRenderer *renderer) -{ - GcrDisplayItem *item = g_hash_table_lookup (self->pv->items, renderer); - g_return_val_if_fail (item, NULL); - g_assert (item->display_view == self); - return item; -} - -static GcrDisplayItem* -find_item_at_iter (GcrDisplayView *self, GtkTextIter *iter) -{ - GHashTableIter hi; - GcrDisplayItem *item; - gpointer value; - GtkTextIter start, end; - - g_hash_table_iter_init (&hi, self->pv->items); - while (g_hash_table_iter_next (&hi, NULL, &value)) { - item = value; - - gtk_text_buffer_get_iter_at_mark (self->pv->buffer, &start, item->beginning); - gtk_text_buffer_get_iter_at_mark (self->pv->buffer, &end, item->ending); - - if (gtk_text_iter_compare (iter, &start) >= 0 && - gtk_text_iter_compare (iter, &end) < 0) - return item; - } - - return NULL; -} - -static void -on_renderer_data_changed (GcrRenderer *renderer, - gpointer user_data) -{ - GcrDisplayView *self = GCR_DISPLAY_VIEW (user_data); - - /* Item may be removed, but not yet destroyed */ - if (!g_hash_table_lookup (self->pv->items, renderer)) - return; - - /* Just ask the renderer to render itself on us */ - gcr_renderer_render_view (renderer, GCR_VIEWER (self)); -} - -static void -paint_item_icon (GcrDisplayView *self, - GcrDisplayItem *item, - GdkRectangle *visible, - cairo_t *cr) -{ - GtkTextIter iter; - GdkRectangle location; - GtkTextView *view; - - if (item->pixbuf == NULL) - return; - - view = GTK_TEXT_VIEW (self); - gtk_text_buffer_get_iter_at_mark (self->pv->buffer, &iter, item->beginning); - gtk_text_view_get_iter_location (view, &iter, &location); - - location.height = gdk_pixbuf_get_height (item->pixbuf); - location.width = gdk_pixbuf_get_width (item->pixbuf); - location.x = visible->width - location.width - ICON_MARGIN; - - if (!gdk_rectangle_intersect (visible, &location, NULL)) - return; - - gtk_text_view_buffer_to_window_coords (view, GTK_TEXT_WINDOW_TEXT, - location.x, location.y, - &location.x, &location.y); - - cairo_save (cr); - gdk_cairo_set_source_pixbuf (cr, item->pixbuf, location.x, location.y); - cairo_rectangle (cr, location.x, location.y, location.width, location.height); - cairo_fill (cr); - cairo_restore (cr); -} - -static void -paint_item_border (GcrDisplayView *self, - GcrDisplayItem *item, - GtkStyleContext *context, - GdkRectangle *visible, - gint index, - cairo_t *cr) -{ - GdkRGBA color; - GtkTextView *view; - GtkTextIter iter, end; - GdkRectangle location; - - if (index == 0) - return; - - view = GTK_TEXT_VIEW (self); - gtk_text_buffer_get_iter_at_mark (self->pv->buffer, &iter, item->beginning); - gtk_text_buffer_get_iter_at_mark (self->pv->buffer, &end, item->ending); - - /* Don't paint for non-visible items */ - if (gtk_text_iter_compare (&iter, &end) == 0) - return; - - ensure_text_height (self); - - gtk_style_context_get_background_color (context, - GTK_STATE_FLAG_SELECTED | GTK_STATE_FLAG_FOCUSED, - &color); - - gtk_text_view_get_iter_location (view, &iter, &location); - - location.height = 2; - location.width = visible->width - (NORMAL_MARGIN * 2); - location.x = NORMAL_MARGIN; - location.y -= self->pv->text_height / 2; - - if (!gdk_rectangle_intersect (visible, &location, NULL)) - return; - - gtk_text_view_buffer_to_window_coords (view, GTK_TEXT_WINDOW_TEXT, - location.x, location.y, - &location.x, &location.y); - - cairo_save (cr); - cairo_set_source_rgb (cr, color.red, color.green, color.blue); - cairo_set_line_width (cr, 0.5); - cairo_move_to (cr, location.x, location.y); - cairo_line_to (cr, location.x + location.width, location.y); - cairo_stroke (cr); - cairo_restore (cr); -} - -static void -paint_extras (GcrDisplayView *self, cairo_t *cr) -{ - GdkRectangle visible; - GcrDisplayItem *item; - GtkStyleContext *context; - guint i; - - gtk_text_view_get_visible_rect (GTK_TEXT_VIEW (self), &visible); - context = gtk_widget_get_style_context (GTK_WIDGET (self)); - - for (i = 0; i < self->pv->renderers->len; i++) { - item = g_hash_table_lookup (self->pv->items, self->pv->renderers->pdata[i]); - g_assert (item != NULL); - paint_item_icon (self, item, &visible, cr); - paint_item_border (self, item, context, &visible, i, cr); - } -} - -/* ----------------------------------------------------------------------------- - * OBJECT - */ - -static GObject* -_gcr_display_view_constructor (GType type, guint n_props, GObjectConstructParam *props) -{ - GObject *obj = G_OBJECT_CLASS (_gcr_display_view_parent_class)->constructor (type, n_props, props); - GcrDisplayView *self = NULL; - GtkTextView *view = NULL; - GtkTextTagTable *tags; - - g_return_val_if_fail (obj, NULL); - - self = GCR_DISPLAY_VIEW (obj); - view = GTK_TEXT_VIEW (obj); - - tags = create_tag_table (self); - self->pv->buffer = gtk_text_buffer_new (tags); - g_object_unref (tags); - - gtk_text_view_set_buffer (view, self->pv->buffer); - gtk_text_view_set_editable (view, FALSE); - gtk_text_view_set_left_margin (view, NORMAL_MARGIN); - gtk_text_view_set_right_margin (view, NORMAL_MARGIN); - gtk_text_view_set_cursor_visible (view, FALSE); - - return obj; -} - -static void -_gcr_display_view_init (GcrDisplayView *self) -{ - self->pv = (G_TYPE_INSTANCE_GET_PRIVATE (self, GCR_TYPE_DISPLAY_VIEW, GcrDisplayViewPrivate)); - self->pv->items = g_hash_table_new_full (g_direct_hash, g_direct_equal, NULL, destroy_display_item); - self->pv->renderers = g_ptr_array_new_with_free_func (g_object_unref); -} - -static void -_gcr_display_view_dispose (GObject *obj) -{ - GcrDisplayView *self = GCR_DISPLAY_VIEW (obj); - GcrRenderer *renderer; - GcrDisplayItem *item; - - while (self->pv->renderers->len) { - renderer = g_ptr_array_index (self->pv->renderers, 0); - item = g_hash_table_lookup (self->pv->items, renderer); - g_return_if_fail (item); - g_signal_handler_disconnect (renderer, item->data_changed_id); - if (!g_hash_table_remove (self->pv->items, renderer)) - g_return_if_reached (); - g_ptr_array_remove_index_fast (self->pv->renderers, 0); - } - - if (self->pv->buffer) - g_object_unref (self->pv->buffer); - self->pv->buffer = NULL; - - g_assert (g_hash_table_size (self->pv->items) == 0); - - G_OBJECT_CLASS (_gcr_display_view_parent_class)->dispose (obj); -} - -static void -_gcr_display_view_finalize (GObject *obj) -{ - GcrDisplayView *self = GCR_DISPLAY_VIEW (obj); - - if (self->pv->buffer) - g_object_unref (self->pv->buffer); - self->pv->buffer = NULL; - - g_assert (g_hash_table_size (self->pv->items) == 0); - g_hash_table_destroy (self->pv->items); - self->pv->items = NULL; - - g_assert (self->pv->renderers); - g_assert (self->pv->renderers->len == 0); - g_ptr_array_free (self->pv->renderers, TRUE); - self->pv->renderers = NULL; - - g_assert (self->pv->content_tag); - g_object_unref (self->pv->content_tag); - self->pv->content_tag = NULL; - - g_assert (self->pv->heading_tag); - g_object_unref (self->pv->heading_tag); - self->pv->heading_tag = NULL; - - g_assert (self->pv->monospace_tag); - g_object_unref (self->pv->monospace_tag); - self->pv->monospace_tag = NULL; - - g_assert (self->pv->title_tag); - g_object_unref (self->pv->title_tag); - self->pv->title_tag = NULL; - - g_clear_object (&self->pv->cursor); - - G_OBJECT_CLASS (_gcr_display_view_parent_class)->finalize (obj); -} - -static void -_gcr_display_view_realize (GtkWidget *widget) -{ - GcrDisplayView *self = GCR_DISPLAY_VIEW (widget); - GHashTableIter iter; - GdkDisplay *display; - gpointer value; - - if (GTK_WIDGET_CLASS (_gcr_display_view_parent_class)->realize) - GTK_WIDGET_CLASS (_gcr_display_view_parent_class)->realize (widget); - - /* Set style on all the items */ - g_hash_table_iter_init (&iter, self->pv->items); - while (g_hash_table_iter_next (&iter, NULL, &value)) - style_display_item (widget, value); - - if (!self->pv->cursor) { - display = gtk_widget_get_display (GTK_WIDGET (self)); - self->pv->cursor = gdk_cursor_new_for_display (display, GDK_ARROW); - } - - gdk_window_set_cursor (gtk_text_view_get_window (GTK_TEXT_VIEW (self), GTK_TEXT_WINDOW_WIDGET), - self->pv->cursor); -} - -static gboolean -_gcr_display_view_button_press_event (GtkWidget *widget, GdkEventButton *event) -{ - GtkTextView *text_view = GTK_TEXT_VIEW (widget); - GcrDisplayView *self = GCR_DISPLAY_VIEW (widget); - GcrDisplayItem *item; - gboolean handled = FALSE; - GtkTextIter iter; - gint x, y; - - if (GTK_WIDGET_CLASS (_gcr_display_view_parent_class)->button_press_event) - handled = GTK_WIDGET_CLASS (_gcr_display_view_parent_class)->button_press_event ( - widget, event); - - if (event->window == gtk_text_view_get_window (text_view, GTK_TEXT_WINDOW_TEXT)) { - gtk_text_view_window_to_buffer_coords (text_view, GTK_TEXT_WINDOW_TEXT, - event->x, event->y, &x, &y); - gtk_text_view_get_iter_at_location (text_view, &iter, x, y); - - item = find_item_at_iter (self, &iter); - self->pv->current_item = item; - } - - return handled; -} - -static gboolean -_gcr_display_view_draw (GtkWidget *widget, cairo_t *cr) -{ - GdkWindow *window; - gboolean handled = TRUE; - - /* Have GtkTextView draw the text first. */ - if (GTK_WIDGET_CLASS (_gcr_display_view_parent_class)->draw) - handled = GTK_WIDGET_CLASS (_gcr_display_view_parent_class)->draw (widget, cr); - - window = gtk_text_view_get_window (GTK_TEXT_VIEW (widget), GTK_TEXT_WINDOW_TEXT); - if (gtk_cairo_should_draw_window (cr, window)) - paint_extras (GCR_DISPLAY_VIEW (widget), cr); - - return handled; -} - -static void -_gcr_display_get_preferred_height (GtkWidget *widget, gint *minimal_height, - gint *natural_height) -{ - GcrDisplayView *self = GCR_DISPLAY_VIEW (widget); - ensure_measurements (self); - *minimal_height = self->pv->minimal_height; - *natural_height = self->pv->natural_height; -} - -static void -_gcr_display_get_preferred_width (GtkWidget *widget, gint *minimal_width, - gint *natural_width) -{ - GcrDisplayView *self = GCR_DISPLAY_VIEW (widget); - ensure_measurements (self); - *minimal_width = self->pv->minimal_width; - *natural_width = self->pv->natural_width; -} - -static void -_gcr_display_view_populate_popup (GtkTextView *text_view, GtkMenu *menu) -{ - GcrDisplayView *self = GCR_DISPLAY_VIEW (text_view); - - if (GTK_TEXT_VIEW_CLASS (_gcr_display_view_parent_class)->populate_popup) - GTK_TEXT_VIEW_CLASS (_gcr_display_view_parent_class)->populate_popup (text_view, menu); - - /* Ask the current renderer to add menu items */ - if (self->pv->current_item) - gcr_renderer_popuplate_popup (self->pv->current_item->renderer, - GCR_VIEWER (self), menu); -} - -static void -_gcr_display_view_class_init (GcrDisplayViewClass *klass) -{ - GObjectClass *gobject_class = G_OBJECT_CLASS (klass); - GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (klass); - GtkTextViewClass *text_view_class = GTK_TEXT_VIEW_CLASS (klass); - - _gcr_display_view_parent_class = g_type_class_peek_parent (klass); - g_type_class_add_private (klass, sizeof (GcrDisplayViewPrivate)); - - gobject_class->constructor = _gcr_display_view_constructor; - gobject_class->dispose = _gcr_display_view_dispose; - gobject_class->finalize = _gcr_display_view_finalize; - - widget_class->realize = _gcr_display_view_realize; - widget_class->button_press_event = _gcr_display_view_button_press_event; - widget_class->get_preferred_height = _gcr_display_get_preferred_height; - widget_class->get_preferred_width = _gcr_display_get_preferred_width; - widget_class->draw = _gcr_display_view_draw; - - text_view_class->populate_popup = _gcr_display_view_populate_popup; -} - -static void -_gcr_display_view_real_insert_renderer (GcrViewer *viewer, - GcrRenderer *renderer, - GcrRenderer *before) -{ - GcrDisplayView *self = GCR_DISPLAY_VIEW (viewer); - GcrDisplayItem *item; - guint i; - - if (before != NULL) - g_return_if_fail (g_hash_table_lookup (self->pv->items, before) != NULL); - - item = create_display_item (self, renderer); - g_object_ref (renderer); - - /* Insert it at the right place */ - if (before != NULL) { - g_ptr_array_add (self->pv->renderers, NULL); - for (i = self->pv->renderers->len; i > 0; i--) { - self->pv->renderers->pdata[i] = self->pv->renderers->pdata[i - 1]; - if (self->pv->renderers->pdata[i] == before) { - self->pv->renderers->pdata[i - 1] = renderer; - break; - } - } - - /* Must have been found */ - g_assert (i > 0); - - /* No before, just add to end */ - } else { - g_ptr_array_add (self->pv->renderers, renderer); - } - - g_hash_table_insert (self->pv->items, renderer, item); - - gcr_renderer_render_view (renderer, viewer); - item->data_changed_id = g_signal_connect (renderer, "data-changed", - G_CALLBACK (on_renderer_data_changed), self); -} - -static void -_gcr_display_view_real_add_renderer (GcrViewer *viewer, GcrRenderer *renderer) -{ - _gcr_display_view_real_insert_renderer (viewer, renderer, NULL); -} - -static void -_gcr_display_view_real_remove_renderer (GcrViewer *viewer, GcrRenderer *renderer) -{ - GcrDisplayView *self = GCR_DISPLAY_VIEW (viewer); - GcrDisplayItem *item; - - item = lookup_display_item (self, renderer); - g_return_if_fail (item); - - /* Unhook the callback */ - g_signal_handler_disconnect (renderer, item->data_changed_id); - - /* Destroys the display item */ - g_assert (item->display_view == self); - g_hash_table_remove (self->pv->items, renderer); - - /* Unrefs the renderer */ - if (!g_ptr_array_remove (self->pv->renderers, renderer)) - g_return_if_reached (); -} - -static guint -_gcr_display_view_real_count_renderers (GcrViewer *viewer) -{ - GcrDisplayView *self = GCR_DISPLAY_VIEW (viewer); - return self->pv->renderers->len; -} - -static GcrRenderer* -_gcr_display_view_real_get_renderer (GcrViewer *viewer, guint index_) -{ - GcrDisplayView *self = GCR_DISPLAY_VIEW (viewer); - g_return_val_if_fail (index_ < self->pv->renderers->len, NULL); - return g_ptr_array_index (self->pv->renderers, index_); -} - -static void -_gcr_display_view_viewer_iface (GcrViewerIface *iface) -{ - iface->add_renderer = (gpointer)_gcr_display_view_real_add_renderer; - iface->insert_renderer = (gpointer)_gcr_display_view_real_insert_renderer; - iface->remove_renderer = (gpointer)_gcr_display_view_real_remove_renderer; - iface->count_renderers = (gpointer)_gcr_display_view_real_count_renderers; - iface->get_renderer = (gpointer)_gcr_display_view_real_get_renderer; -} - -/* ----------------------------------------------------------------------------- - * PUBLIC - */ - -GcrDisplayView* -_gcr_display_view_new (void) -{ - return g_object_new (GCR_TYPE_DISPLAY_VIEW, NULL); -} - -void -_gcr_display_view_begin (GcrDisplayView *self, - GcrRenderer *renderer) -{ - GtkTextIter start, iter; - GcrDisplayItem *item; - GList *widgets, *l; - - g_return_if_fail (GCR_IS_DISPLAY_VIEW (self)); - item = lookup_display_item (self, renderer); - g_return_if_fail (item); - - /* Remove the details widget so it doesn't get destroyed */ - if (gtk_widget_get_parent (item->details_widget)) - gtk_container_remove (GTK_CONTAINER (self), item->details_widget); - - /* Remove area widgets so they don't get destroyed unnecessarily */ - if (item->area_anchor) { - g_assert (!gtk_text_child_anchor_get_deleted (item->area_anchor)); - widgets = gtk_text_child_anchor_get_widgets (item->area_anchor); - for (l = widgets; l != NULL; l = g_list_next (l)) - gtk_container_remove (GTK_CONTAINER (self), l->data); - g_list_free (widgets); - g_object_unref (item->area_anchor); - item->area_anchor = NULL; - } - - gtk_text_buffer_get_iter_at_mark (self->pv->buffer, &start, item->beginning); - gtk_text_buffer_get_iter_at_mark (self->pv->buffer, &iter, item->ending); - gtk_text_buffer_delete (self->pv->buffer, &start, &iter); - - item->extra_tag = NULL; - item->field_width = 0; - item->details = FALSE; -} - -void -_gcr_display_view_end (GcrDisplayView *self, - GcrRenderer *renderer) -{ - GcrDisplayItem *item; - - g_return_if_fail (GCR_IS_DISPLAY_VIEW (self)); - item = lookup_display_item (self, renderer); - g_return_if_fail (item); -} - -void -_gcr_display_view_start_details (GcrDisplayView *self, GcrRenderer *renderer) -{ - GtkTextChildAnchor *anchor; - GcrDisplayItem *item; - GtkTextIter iter; - - g_return_if_fail (GCR_IS_DISPLAY_VIEW (self)); - item = lookup_display_item (self, renderer); - g_return_if_fail (item); - - if (item->details) { - g_warning ("A GcrRenderer implementation has called %s twice in one render", - G_STRFUNC); - return; - } - - item->extra_tag = item->details_tag; - item->details = TRUE; - - gtk_text_buffer_get_iter_at_mark (self->pv->buffer, &iter, item->ending); - anchor = gtk_text_buffer_create_child_anchor (self->pv->buffer, &iter); - gtk_text_view_add_child_at_anchor (GTK_TEXT_VIEW (self), item->details_widget, anchor); - gtk_widget_show_all (item->details_widget); - gtk_text_buffer_insert (self->pv->buffer, &iter, "\n", 1); -} - -void -_gcr_display_view_append_content (GcrDisplayView *self, GcrRenderer *renderer, - const gchar *content, const gchar *details) -{ - GcrDisplayItem *item; - GtkTextIter iter; - gchar *memory = NULL; - - g_return_if_fail (GCR_IS_DISPLAY_VIEW (self)); - g_return_if_fail (content); - - item = lookup_display_item (self, renderer); - g_return_if_fail (item); - - if (item->details && !item->expanded) - return; - - if (details) - content = memory = g_strdup_printf ("%s: %s", content, details); - - gtk_text_buffer_get_iter_at_mark (self->pv->buffer, &iter, item->ending); - gtk_text_buffer_insert_with_tags (self->pv->buffer, &iter, content, -1, - self->pv->content_tag, item->extra_tag, NULL); - gtk_text_buffer_insert_with_tags (self->pv->buffer, &iter, "\n", 1, - item->extra_tag, NULL); - - g_free (memory); -} - -void -_gcr_display_view_append_value (GcrDisplayView *self, GcrRenderer *renderer, const gchar *field, - const gchar *value, gboolean monospace) -{ - GcrDisplayItem *item; - PangoRectangle extents; - PangoTabArray *tabs; - PangoLayout *layout; - GtkTextIter iter; - gchar *text; - - g_return_if_fail (GCR_IS_DISPLAY_VIEW (self)); - g_return_if_fail (field); - - item = lookup_display_item (self, renderer); - g_return_if_fail (item); - - if (item->details && !item->expanded) - return; - - text = g_strdup_printf ("%s:", field); - if (value == NULL) - value = ""; - - /* Measure the width of the field */ - layout = gtk_widget_create_pango_layout (GTK_WIDGET (self), text); - pango_layout_get_extents (layout, NULL, &extents); - pango_extents_to_pixels (&extents, NULL); - g_object_unref (layout); - - /* An estimate of the text height */ - self->pv->text_height = extents.height; - - /* Make the tab wide enough to accomodate */ - if (extents.width > item->field_width) { - item->field_width = extents.width + COLUMN_MARGIN; - tabs = pango_tab_array_new (1, TRUE); - pango_tab_array_set_tab (tabs, 0, PANGO_TAB_LEFT, item->field_width); - g_object_set (item->field_tag, - "left-margin", FIELD_MARGIN, - "indent", 0 - item->field_width, - "tabs", tabs, - NULL); - pango_tab_array_free (tabs); - } - - gtk_text_buffer_get_iter_at_mark (self->pv->buffer, &iter, item->ending); - gtk_text_buffer_insert_with_tags (self->pv->buffer, &iter, text, -1, - item->field_tag, item->extra_tag, NULL); - gtk_text_buffer_insert_with_tags (self->pv->buffer, &iter, "\t", 1, - item->extra_tag, NULL); - gtk_text_buffer_insert_with_tags (self->pv->buffer, &iter, value, -1, item->field_tag, - monospace ? self->pv->monospace_tag : item->extra_tag, - monospace ? item->extra_tag : NULL, NULL); - gtk_text_buffer_insert_with_tags (self->pv->buffer, &iter, "\n", 1, - item->extra_tag, NULL); - - g_free (text); -} - -void -_gcr_display_view_append_hex (GcrDisplayView *self, GcrRenderer *renderer, - const gchar *field, gconstpointer value, gsize n_value) -{ - gchar *display; - - display = egg_hex_encode_full (value, n_value, TRUE, ' ', 1); - _gcr_display_view_append_value (self, renderer, field, display, TRUE); - g_free (display); -} - -void -_gcr_display_view_append_title (GcrDisplayView *self, GcrRenderer *renderer, const gchar *title) -{ - GcrDisplayItem *item; - GtkTextIter iter; - - g_return_if_fail (GCR_IS_DISPLAY_VIEW (self)); - g_return_if_fail (title); - - item = lookup_display_item (self, renderer); - g_return_if_fail (item); - - if (item->details && !item->expanded) - return; - - gtk_text_buffer_get_iter_at_mark (self->pv->buffer, &iter, item->ending); - gtk_text_buffer_insert_with_tags (self->pv->buffer, &iter, title, -1, - self->pv->title_tag, item->extra_tag, NULL); - gtk_text_buffer_insert_with_tags (self->pv->buffer, &iter, "\n", 1, - item->extra_tag, NULL); -} - -void -_gcr_display_view_append_heading (GcrDisplayView *self, GcrRenderer *renderer, const gchar *heading) -{ - GcrDisplayItem *item; - GtkTextIter iter; - - g_return_if_fail (GCR_IS_DISPLAY_VIEW (self)); - g_return_if_fail (heading); - - item = lookup_display_item (self, renderer); - g_return_if_fail (item); - - if (item->details && !item->expanded) - return; - - gtk_text_buffer_get_iter_at_mark (self->pv->buffer, &iter, item->ending); - gtk_text_buffer_insert_with_tags (self->pv->buffer, &iter, heading, -1, - self->pv->heading_tag, item->extra_tag, NULL); - gtk_text_buffer_insert_with_tags (self->pv->buffer, &iter, "\n", 1, - item->extra_tag, NULL); -} - -void -_gcr_display_view_append_fingerprint (GcrDisplayView *self, GcrRenderer *renderer, const guchar *data, - gsize n_data, const gchar *name, GChecksumType type) -{ - GChecksum *checksum; - guint8 *buffer; - gsize n_buffer; - - g_return_if_fail (GCR_IS_DISPLAY_VIEW (self)); - - checksum = g_checksum_new (type); - g_return_if_fail (checksum); - g_checksum_update (checksum, data, n_data); - - n_buffer = g_checksum_type_get_length (type); - g_return_if_fail (n_buffer); - buffer = g_malloc0 (n_buffer); - - g_checksum_get_digest (checksum, buffer, &n_buffer); - g_checksum_free (checksum); - - _gcr_display_view_append_hex (self, renderer, name, buffer, n_buffer); - - g_free (buffer); -} - -void -_gcr_display_view_append_message (GcrDisplayView *self, - GcrRenderer *renderer, - GtkMessageType message_type, - const gchar *message) -{ - const gchar *stock_id = NULL; - GtkWidget *image = NULL; - GcrDisplayItem *item; - GtkTextChildAnchor *anchor; - GtkTextIter iter; - - g_return_if_fail (GCR_IS_DISPLAY_VIEW (self)); - g_return_if_fail (GCR_IS_RENDERER (renderer)); - - item = lookup_display_item (self, renderer); - g_return_if_fail (item); - - switch (message_type) { - case GTK_MESSAGE_INFO: - stock_id = GTK_STOCK_DIALOG_INFO; - break; - - case GTK_MESSAGE_QUESTION: - stock_id = GTK_STOCK_DIALOG_QUESTION; - break; - - case GTK_MESSAGE_WARNING: - stock_id = GTK_STOCK_DIALOG_WARNING; - break; - - case GTK_MESSAGE_ERROR: - stock_id = GTK_STOCK_DIALOG_ERROR; - break; - - case GTK_MESSAGE_OTHER: - break; - - default: - g_warning ("unknown GtkMessageType: %u", message_type); - break; - } - - gtk_text_buffer_get_iter_at_mark (self->pv->buffer, &iter, item->ending); - - if (stock_id != NULL) { - image = gtk_image_new_from_stock (stock_id, GTK_ICON_SIZE_MENU); - gtk_misc_set_padding (GTK_MISC (image), MESSAGE_PADDING, 0); - gtk_widget_show (image); - - anchor = gtk_text_buffer_create_child_anchor (self->pv->buffer, &iter); - gtk_text_view_add_child_at_anchor (GTK_TEXT_VIEW (self), image, anchor); - } - - gtk_text_buffer_insert_with_tags (self->pv->buffer, &iter, message, -1, - self->pv->message_tag, item->extra_tag, NULL); - gtk_text_buffer_insert_with_tags (self->pv->buffer, &iter, "\n", 1, - item->extra_tag, NULL); -} - -void -_gcr_display_view_set_icon (GcrDisplayView *self, GcrRenderer *renderer, GIcon *icon) -{ - GcrDisplayItem *item; - GdkScreen *screen; - GtkIconTheme *icon_theme; - GtkSettings *settings; - gint width, height; - GtkIconInfo *info; - - g_return_if_fail (GCR_IS_DISPLAY_VIEW (self)); - item = lookup_display_item (self, renderer); - g_return_if_fail (item); - - if (item->pixbuf) - g_object_unref (item->pixbuf); - item->pixbuf = NULL; - - if (!icon) - return; - - screen = gtk_widget_get_screen (GTK_WIDGET (self)); - icon_theme = gtk_icon_theme_get_for_screen (screen); - settings = gtk_settings_get_for_screen (screen); - - if (!gtk_icon_size_lookup_for_settings (settings, GTK_ICON_SIZE_DIALOG, &width, &height)) - g_return_if_reached (); - - info = gtk_icon_theme_lookup_by_gicon (icon_theme, icon, MIN (width, height), - GTK_ICON_LOOKUP_USE_BUILTIN); - - if (info) { - GtkStyleContext *style = gtk_widget_get_style_context (GTK_WIDGET (self)); - item->pixbuf = gtk_icon_info_load_symbolic_for_context (info, style, FALSE, NULL); - gtk_icon_info_free (info); - } -} - -void -_gcr_display_view_add_widget_area (GcrDisplayView *self, - GcrRenderer *renderer, - GtkWidget *area) -{ - GtkTextIter iter, start; - GcrDisplayItem *item; - - g_return_if_fail (GCR_IS_DISPLAY_VIEW (self)); - g_return_if_fail (GTK_IS_WIDGET (area)); - - item = lookup_display_item (self, renderer); - g_return_if_fail (item != NULL); - g_return_if_fail (item->area_anchor == NULL); - - gtk_text_buffer_get_iter_at_mark (self->pv->buffer, &start, item->ending); - iter = start; - - gtk_text_buffer_insert_with_tags (self->pv->buffer, &iter, "\n" ZWSP, -1, self->pv->area_tag, NULL); - gtk_text_buffer_get_iter_at_mark (self->pv->buffer, &iter, item->ending); - - item->area_anchor = gtk_text_buffer_create_child_anchor (self->pv->buffer, &iter); - g_object_ref (item->area_anchor); - gtk_text_view_add_child_at_anchor (GTK_TEXT_VIEW (self), area, item->area_anchor); - gtk_text_buffer_insert_with_tags (self->pv->buffer, &iter, ZWSP "\n", -1, self->pv->area_tag, NULL); -} |