the forward direction */
}
-void callback_clipboard_get(GtkClipboard *clipboard,
- GtkSelectionData *selection_data,
- guint info, gpointer user_data)
-{
- int length;
-
- g_memmove(&length, user_data, sizeof(int));
- gtk_selection_data_set(selection_data,
- gdk_atom_intern("_XOURNAL", FALSE), 8, user_data, length);
-}
-
-void callback_clipboard_clear(GtkClipboard *clipboard, gpointer user_data)
-{
- g_free(user_data);
-}
-
-void selection_to_clip(void)
-{
- int bufsz, nitems, val;
- char *buf, *p;
- GList *list;
- struct Item *item;
- GtkTargetEntry target;
-
- if (ui.selection == NULL) return;
- bufsz = 2*sizeof(int) // bufsz, nitems
- + sizeof(struct BBox); // bbox
- nitems = 0;
- for (list = ui.selection->items; list != NULL; list = list->next) {
- item = (struct Item *)list->data;
- nitems++;
- if (item->type == ITEM_STROKE) {
- bufsz+= sizeof(int) // type
- + sizeof(struct Brush) // brush
- + sizeof(int) // num_points
- + 2*item->path->num_points*sizeof(double); // the points
- if (item->brush.variable_width)
- bufsz += (item->path->num_points-1)*sizeof(double); // the widths
- }
- else if (item->type == ITEM_TEXT) {
- bufsz+= sizeof(int) // type
- + sizeof(struct Brush) // brush
- + 2*sizeof(double) // bbox upper-left
- + sizeof(int) // text len
- + strlen(item->text)+1 // text
- + sizeof(int) // font_name len
- + strlen(item->font_name)+1 // font_name
- + sizeof(double); // font_size
- }
- else bufsz+= sizeof(int); // type
- }
- p = buf = g_malloc(bufsz);
- g_memmove(p, &bufsz, sizeof(int)); p+= sizeof(int);
- g_memmove(p, &nitems, sizeof(int)); p+= sizeof(int);
- g_memmove(p, &ui.selection->bbox, sizeof(struct BBox)); p+= sizeof(struct BBox);
- for (list = ui.selection->items; list != NULL; list = list->next) {
- item = (struct Item *)list->data;
- g_memmove(p, &item->type, sizeof(int)); p+= sizeof(int);
- if (item->type == ITEM_STROKE) {
- g_memmove(p, &item->brush, sizeof(struct Brush)); p+= sizeof(struct Brush);
- g_memmove(p, &item->path->num_points, sizeof(int)); p+= sizeof(int);
- g_memmove(p, item->path->coords, 2*item->path->num_points*sizeof(double));
- p+= 2*item->path->num_points*sizeof(double);
- if (item->brush.variable_width) {
- g_memmove(p, item->widths, (item->path->num_points-1)*sizeof(double));
- p+= (item->path->num_points-1)*sizeof(double);
- }
- }
- if (item->type == ITEM_TEXT) {
- g_memmove(p, &item->brush, sizeof(struct Brush)); p+= sizeof(struct Brush);
- g_memmove(p, &item->bbox.left, sizeof(double)); p+= sizeof(double);
- g_memmove(p, &item->bbox.top, sizeof(double)); p+= sizeof(double);
- val = strlen(item->text);
- g_memmove(p, &val, sizeof(int)); p+= sizeof(int);
- g_memmove(p, item->text, val+1); p+= val+1;
- val = strlen(item->font_name);
- g_memmove(p, &val, sizeof(int)); p+= sizeof(int);
- g_memmove(p, item->font_name, val+1); p+= val+1;
- g_memmove(p, &item->font_size, sizeof(double)); p+= sizeof(double);
- }
- }
-
- target.target = "_XOURNAL";
- target.flags = 0;
- target.info = 0;
-
- gtk_clipboard_set_with_data(gtk_clipboard_get(GDK_SELECTION_CLIPBOARD),
- &target, 1,
- callback_clipboard_get, callback_clipboard_clear, buf);
-}
-
-
-void clipboard_paste(void)
-{
- 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;
-
- if (ui.cur_layer == NULL) return;
-
- ui.cur_item_type = ITEM_PASTE;
- sel_data = gtk_clipboard_wait_for_contents(
- gtk_clipboard_get(GDK_SELECTION_CLIPBOARD),
- gdk_atom_intern("_XOURNAL", FALSE));
- ui.cur_item_type = ITEM_NONE;
- if (sel_data == NULL) return; // paste failed
-
- 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);
- }
- }
-
- 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!
-}
-
// modify the color or thickness of pen strokes in a selection
void recolor_selection(int color_no, guint color_rgba)
projects / xournal.git / blobdiff