Example #1
0
// paste external text
void clipboard_paste_text(gchar *text)
{
  struct Item *item;
  double pt[2];

  reset_selection();
  get_current_pointer_coords(pt);
  set_current_page(pt);  

  ui.selection = g_new(struct Selection, 1);
  ui.selection->type = ITEM_SELECTRECT;
  ui.selection->layer = ui.cur_layer;
  ui.selection->items = NULL;

  item = g_new(struct Item, 1);
  ui.selection->items = g_list_append(ui.selection->items, item);
  ui.cur_layer->items = g_list_append(ui.cur_layer->items, item);
  ui.cur_layer->nitems++;
  item->type = ITEM_TEXT;
  g_memmove(&(item->brush), &(ui.brushes[ui.cur_mapping][TOOL_PEN]), sizeof(struct Brush));
  item->text = text; // text was newly allocated, we keep it
  item->font_name = g_strdup(ui.font_name);
  item->font_size = ui.font_size;
  item->bbox.left = pt[0]; item->bbox.top = pt[1];
  make_canvas_item_one(ui.cur_layer->group, item);
  update_item_bbox(item);

  // move the text to fit on the page if needed
  if (item->bbox.right > ui.cur_page->width) item->bbox.left += ui.cur_page->width-item->bbox.right;
  if (item->bbox.left < 0) item->bbox.left = 0;
  if (item->bbox.bottom > ui.cur_page->height) item->bbox.top += ui.cur_page->height-item->bbox.bottom;
  if (item->bbox.top < 0) item->bbox.top = 0;
  gnome_canvas_item_set(item->canvas_item, "x", item->bbox.left, "y", item->bbox.top, NULL);
  update_item_bbox(item);
  
  ui.selection->bbox = item->bbox;
  ui.selection->canvas_item = gnome_canvas_item_new(ui.cur_layer->group,
      gnome_canvas_rect_get_type(), "width-pixels", 1,
      "outline-color-rgba", 0x000000ff,
      "fill-color-rgba", 0x80808040,
      "x1", ui.selection->bbox.left, "x2", ui.selection->bbox.right, 
      "y1", ui.selection->bbox.top, "y2", ui.selection->bbox.bottom, NULL);
  make_dashed(ui.selection->canvas_item);

  prepare_new_undo();
  undo->type = ITEM_PASTE;
  undo->layer = ui.cur_layer;
  undo->itemlist = g_list_copy(ui.selection->items);  
  
  update_copy_paste_enabled();
  update_color_menu();
  update_thickness_buttons();
  update_color_buttons();
  update_font_button();  
  update_cursor(); // FIXME: can't know if pointer is within selection!
}
Example #2
0
struct Item *insert_recognized_curpath(void)
{
  struct Item *item;
  int i;
  struct UndoErasureData *erasure;

  erasure = (struct UndoErasureData *)(undo->erasurelist->data);
  item = g_new(struct Item, 1);
  item->type = ITEM_STROKE;
  g_memmove(&(item->brush), &(erasure->item->brush), sizeof(struct Brush));
  item->brush.variable_width = FALSE;
  subdivide_cur_path();
  item->path = gnome_canvas_points_new(ui.cur_path.num_points);
  g_memmove(item->path->coords, ui.cur_path.coords, 2*ui.cur_path.num_points*sizeof(double));
  item->widths = NULL;
  update_item_bbox(item);
  ui.cur_path.num_points = 0;
  
  erasure->nrepl++;
  erasure->replacement_items = g_list_append(erasure->replacement_items, item);
  ui.cur_layer->items = g_list_append(ui.cur_layer->items, item);
  ui.cur_layer->nitems++;
  make_canvas_item_one(ui.cur_layer->group, item);
  return item;
}
Example #3
0
// paste xournal native data
void clipboard_paste_from_xournal(GtkSelectionData *sel_data)
{
  unsigned char *p;
  int nitems, npts, i, len;
  struct Item *item;
  double hoffset, voffset, cx, cy;
  double *pf;
  int sx, sy, wx, wy;
  
  reset_selection();
  
  ui.selection = g_new(struct Selection, 1);
  p = sel_data->data + sizeof(int);
  g_memmove(&nitems, p, sizeof(int)); p+= sizeof(int);
  ui.selection->type = ITEM_SELECTRECT;
  ui.selection->layer = ui.cur_layer;
  g_memmove(&ui.selection->bbox, p, sizeof(struct BBox)); p+= sizeof(struct BBox);
  ui.selection->items = NULL;
  
  // find by how much we translate the pasted selection
  gnome_canvas_get_scroll_offsets(canvas, &sx, &sy);
  gdk_window_get_geometry(GTK_WIDGET(canvas)->window, NULL, NULL, &wx, &wy, NULL);
  gnome_canvas_window_to_world(canvas, sx + wx/2, sy + wy/2, &cx, &cy);
  cx -= ui.cur_page->hoffset;
  cy -= ui.cur_page->voffset;
  if (cx + (ui.selection->bbox.right-ui.selection->bbox.left)/2 > ui.cur_page->width)
    cx = ui.cur_page->width - (ui.selection->bbox.right-ui.selection->bbox.left)/2;
  if (cx - (ui.selection->bbox.right-ui.selection->bbox.left)/2 < 0)
    cx = (ui.selection->bbox.right-ui.selection->bbox.left)/2;
  if (cy + (ui.selection->bbox.bottom-ui.selection->bbox.top)/2 > ui.cur_page->height)
    cy = ui.cur_page->height - (ui.selection->bbox.bottom-ui.selection->bbox.top)/2;
  if (cy - (ui.selection->bbox.bottom-ui.selection->bbox.top)/2 < 0)
    cy = (ui.selection->bbox.bottom-ui.selection->bbox.top)/2;
  hoffset = cx - (ui.selection->bbox.right+ui.selection->bbox.left)/2;
  voffset = cy - (ui.selection->bbox.top+ui.selection->bbox.bottom)/2;
  ui.selection->bbox.left += hoffset;
  ui.selection->bbox.right += hoffset;
  ui.selection->bbox.top += voffset;
  ui.selection->bbox.bottom += voffset;

  ui.selection->canvas_item = gnome_canvas_item_new(ui.cur_layer->group,
      gnome_canvas_rect_get_type(), "width-pixels", 1,
      "outline-color-rgba", 0x000000ff,
      "fill-color-rgba", 0x80808040,
      "x1", ui.selection->bbox.left, "x2", ui.selection->bbox.right, 
      "y1", ui.selection->bbox.top, "y2", ui.selection->bbox.bottom, NULL);
  make_dashed(ui.selection->canvas_item);

  while (nitems-- > 0) {
    item = g_new(struct Item, 1);
    ui.selection->items = g_list_append(ui.selection->items, item);
    ui.cur_layer->items = g_list_append(ui.cur_layer->items, item);
    ui.cur_layer->nitems++;
    g_memmove(&item->type, p, sizeof(int)); p+= sizeof(int);
    if (item->type == ITEM_STROKE) {
      g_memmove(&item->brush, p, sizeof(struct Brush)); p+= sizeof(struct Brush);
      g_memmove(&npts, p, sizeof(int)); p+= sizeof(int);
      item->path = gnome_canvas_points_new(npts);
      pf = (double *)p;
      for (i=0; i<npts; i++) {
        item->path->coords[2*i] = pf[2*i] + hoffset;
        item->path->coords[2*i+1] = pf[2*i+1] + voffset;
      }
      p+= 2*item->path->num_points*sizeof(double);
      if (item->brush.variable_width) {
        item->widths = g_memdup(p, (item->path->num_points-1)*sizeof(double));
        p+= (item->path->num_points-1)*sizeof(double);
      }
      else item->widths = NULL;
      update_item_bbox(item);
      make_canvas_item_one(ui.cur_layer->group, item);
    }
    if (item->type == ITEM_TEXT) {
      g_memmove(&item->brush, p, sizeof(struct Brush)); p+= sizeof(struct Brush);
      g_memmove(&item->bbox.left, p, sizeof(double)); p+= sizeof(double);
      g_memmove(&item->bbox.top, p, sizeof(double)); p+= sizeof(double);
      item->bbox.left += hoffset;
      item->bbox.top += voffset;
      g_memmove(&len, p, sizeof(int)); p+= sizeof(int);
      item->text = g_malloc(len+1);
      g_memmove(item->text, p, len+1); p+= len+1;
      g_memmove(&len, p, sizeof(int)); p+= sizeof(int);
      item->font_name = g_malloc(len+1);
      g_memmove(item->font_name, p, len+1); p+= len+1;
      g_memmove(&item->font_size, p, sizeof(double)); p+= sizeof(double);
      make_canvas_item_one(ui.cur_layer->group, item);
    }
    if (item->type == ITEM_IMAGE) {
      item->canvas_item = NULL;
      item->image_png = NULL;
      item->image_png_len = 0;
      g_memmove(&item->bbox, p, sizeof(struct BBox)); p+= sizeof(struct BBox);
      item->bbox.left += hoffset;
      item->bbox.right += hoffset;
      item->bbox.top += voffset;
      item->bbox.bottom += voffset;
      g_memmove(&item->image_png_len, p, sizeof(gsize)); p+= sizeof(gsize);
      if (item->image_png_len > 0) {
        item->image_png = g_memdup(p, item->image_png_len);
        item->image = pixbuf_from_buffer(item->image_png, item->image_png_len);
        p+= item->image_png_len;
      } else {
        item->image = NULL;
      }
      make_canvas_item_one(ui.cur_layer->group, item);
    }
  }

  prepare_new_undo();
  undo->type = ITEM_PASTE;
  undo->layer = ui.cur_layer;
  undo->itemlist = g_list_copy(ui.selection->items);  
  
  gtk_selection_data_free(sel_data);
  update_copy_paste_enabled();
  update_color_menu();
  update_thickness_buttons();
  update_color_buttons();
  update_font_button();  
  update_cursor(); // FIXME: can't know if pointer is within selection!
}