/*! \brief Changes the current page.
* \par Function Description
* This function displays the specified page <B>page</B> in the
* window attached to <B>toplevel</B>.
*
* It changes the <B>toplevel</B>'s current page to <B>page</B>,
* draws it and updates the user interface.
*
* <B>page</B> has to be in the list of PAGEs attached to <B>toplevel</B>.
*
* \param [in] w_current The toplevel environment.
* \param [in] page The page to become current page.
*/
void
x_window_set_current_page (GschemToplevel *w_current, PAGE *page)
{
GschemPageView *page_view = gschem_toplevel_get_current_page_view (w_current);
g_return_if_fail (page != NULL);
g_return_if_fail (page_view != NULL);
o_redraw_cleanstates (w_current);
gschem_page_view_set_page (page_view, page);
i_update_menus (w_current);
i_set_filename (w_current, page->page_filename);
x_pagesel_update (w_current);
x_multiattrib_update (w_current);
gschem_page_view_update_scroll_adjustments (page_view);
gschem_page_view_invalidate_all (page_view);
}
/*! \brief Changes the current page.
* \par Function Description
* This function displays the specified page <B>page</B> in the
* window attached to <B>toplevel</B>.
*
* It changes the <B>toplevel</B>'s current page to <B>page</B>,
* draws it and updates the user interface.
*
* <B>page</B> has to be in the list of PAGEs attached to <B>toplevel</B>.
*
* \param [in] w_current The toplevel environment.
* \param [in] page The page to become current page.
*/
void
x_window_set_current_page (GSCHEM_TOPLEVEL *w_current, PAGE *page)
{
TOPLEVEL *toplevel = w_current->toplevel;
g_return_if_fail (toplevel != NULL);
g_return_if_fail (page != NULL);
o_redraw_cleanstates (w_current);
s_page_goto (toplevel, page);
i_update_menus (w_current);
i_set_filename (w_current, page->page_filename);
x_pagesel_update (w_current);
x_multiattrib_update (w_current);
x_manual_resize (w_current);
x_hscrollbar_update (w_current);
x_vscrollbar_update (w_current);
o_invalidate_all (w_current);
}
/*! \todo Finish function documentation!!!
* \brief
* \par Function Description
*
* <B>type</B> can be one of the following values:
* <DL>
* <DT>*</DT><DD>UNDO_ACTION
* <DT>*</DT><DD>REDO_ACTION
* </DL>
*/
void
o_undo_callback (GschemToplevel *w_current, PAGE *page, int type)
{
TOPLEVEL *toplevel = gschem_toplevel_get_toplevel (w_current);
UNDO *u_current;
UNDO *u_next;
UNDO *save_bottom;
UNDO *save_tos;
UNDO *save_current;
int save_logging;
int find_prev_data=FALSE;
char *save_filename;
g_return_if_fail (w_current != NULL);
g_return_if_fail (page != NULL);
if (w_current->undo_control == FALSE) {
s_log_message(_("Undo/Redo disabled in rc file\n"));
return;
}
if (page->undo_current == NULL) {
return;
}
if (type == UNDO_ACTION) {
u_current = page->undo_current->prev;
} else {
u_current = page->undo_current->next;
}
u_next = page->undo_current;
if (u_current == NULL) {
return;
}
if (u_next->type == UNDO_ALL && u_current->type == UNDO_VIEWPORT_ONLY) {
#if DEBUG
printf("Type: %d\n", u_current->type);
printf("Current is an undo all, next is viewport only!\n");
#endif
find_prev_data = TRUE;
if (w_current->undo_type == UNDO_DISK) {
u_current->filename = o_undo_find_prev_filename(u_current);
} else {
u_current->object_list = o_undo_find_prev_object_head (u_current);
}
}
/* save filename */
save_filename = g_strdup (page->page_filename);
/* save structure so it's not nuked */
save_bottom = page->undo_bottom;
save_tos = page->undo_tos;
save_current = page->undo_current;
page->undo_bottom = NULL;
page->undo_tos = NULL;
page->undo_current = NULL;
o_select_unselect_all (w_current);
if (w_current->undo_type == UNDO_DISK && u_current->filename) {
/* delete objects of page */
s_page_delete_objects (toplevel, page);
/* Free the objects in the place list. */
geda_object_list_delete (toplevel, page->place_list);
page->place_list = NULL;
gschem_toplevel_page_content_changed (w_current, page);
} else if (w_current->undo_type == UNDO_MEMORY && u_current->object_list) {
/* delete objects of page */
s_page_delete_objects (toplevel, page);
/* Free the objects in the place list. */
geda_object_list_delete (toplevel, page->place_list);
page->place_list = NULL;
gschem_toplevel_page_content_changed (w_current, page);
}
/* temporarily disable logging */
save_logging = do_logging;
do_logging = FALSE;
if (w_current->undo_type == UNDO_DISK && u_current->filename) {
f_open(toplevel, page, u_current->filename, NULL);
} else if (w_current->undo_type == UNDO_MEMORY && u_current->object_list) {
s_page_append_list (toplevel, page,
o_glist_copy_all (toplevel, u_current->object_list,
NULL));
}
page->page_control = u_current->page_control;
page->up = u_current->up;
gschem_toplevel_page_content_changed (w_current, page);
GschemPageView *view = gschem_toplevel_get_current_page_view (w_current);
g_return_if_fail (view != NULL);
GschemPageGeometry *geometry = gschem_page_view_get_page_geometry (view);
if (u_current->scale != 0) {
gschem_page_geometry_set_viewport (geometry,
u_current->x,
u_current->y,
u_current->scale);
gschem_page_view_invalidate_all (view);
} else {
gschem_page_view_zoom_extents (view, u_current->object_list);
}
/* restore logging */
do_logging = save_logging;
/* set filename right */
g_free(page->page_filename);
page->page_filename = save_filename;
/* final redraw */
x_pagesel_update (w_current);
x_multiattrib_update (w_current);
i_update_menus(w_current);
/* restore saved undo structures */
page->undo_bottom = save_bottom;
page->undo_tos = save_tos;
page->undo_current = save_current;
if (type == UNDO_ACTION) {
if (page->undo_current) {
page->undo_current = page->undo_current->prev;
if (page->undo_current == NULL) {
page->undo_current = page->undo_bottom;
}
}
} else { /* type is REDO_ACTION */
if (page->undo_current) {
page->undo_current = page->undo_current->next;
if (page->undo_current == NULL) {
page->undo_current = page->undo_tos;
}
}
}
/* don't have to free data here since filename, object_list are */
/* just pointers to the real data (lower in the stack) */
if (find_prev_data) {
u_current->filename = NULL;
u_current->object_list = NULL;
}
#if DEBUG
printf("\n\n---Undo----\n");
s_undo_print_all(page->undo_bottom);
printf("TOS: %s\n", page->undo_tos->filename);
printf("CURRENT: %s\n", page->undo_current->filename);
printf("----\n");
#endif
}
/*! \todo Finish function documentation!!!
* \brief
* \par Function Description
*
* <B>type</B> can be one of the following values:
* <DL>
* <DT>*</DT><DD>UNDO_ACTION
* <DT>*</DT><DD>REDO_ACTION
* </DL>
*/
void o_undo_callback(GSCHEM_TOPLEVEL *w_current, int type)
{
TOPLEVEL *toplevel = w_current->toplevel;
UNDO *u_current;
UNDO *u_next;
UNDO *save_bottom;
UNDO *save_tos;
UNDO *save_current;
int save_logging;
int find_prev_data=FALSE;
char *save_filename;
if (w_current->undo_control == FALSE) {
s_log_message(_("Undo/Redo disabled in rc file\n"));
return;
}
if (toplevel->page_current->undo_current == NULL) {
return;
}
if (type == UNDO_ACTION) {
u_current = toplevel->page_current->undo_current->prev;
} else {
u_current = toplevel->page_current->undo_current->next;
}
u_next = toplevel->page_current->undo_current;
if (u_current == NULL) {
return;
}
if (u_next->type == UNDO_ALL && u_current->type == UNDO_VIEWPORT_ONLY) {
#if DEBUG
printf("Type: %d\n", u_current->type);
printf("Current is an undo all, next is viewport only!\n");
#endif
find_prev_data = TRUE;
if (w_current->undo_type == UNDO_DISK) {
u_current->filename = o_undo_find_prev_filename(u_current);
} else {
u_current->object_list = o_undo_find_prev_object_head (u_current);
}
}
/* save filename */
save_filename = g_strdup (toplevel->page_current->page_filename);
/* save structure so it's not nuked */
save_bottom = toplevel->page_current->undo_bottom;
save_tos = toplevel->page_current->undo_tos;
save_current = toplevel->page_current->undo_current;
toplevel->page_current->undo_bottom = NULL;
toplevel->page_current->undo_tos = NULL;
toplevel->page_current->undo_current = NULL;
if (w_current->undo_type == UNDO_DISK && u_current->filename) {
PAGE *p_new;
s_page_delete (toplevel, toplevel->page_current);
p_new = s_page_new(toplevel, u_current->filename);
s_page_goto (toplevel, p_new);
} else if (w_current->undo_type == UNDO_MEMORY && u_current->object_list) {
PAGE *p_new;
s_page_delete (toplevel, toplevel->page_current);
p_new = s_page_new (toplevel, save_filename);
s_page_goto (toplevel, p_new);
}
/* temporarily disable logging */
save_logging = do_logging;
do_logging = FALSE;
if (w_current->undo_type == UNDO_DISK && u_current->filename) {
f_open(toplevel, toplevel->page_current, u_current->filename, NULL);
x_manual_resize(w_current);
toplevel->page_current->page_control = u_current->page_control;
toplevel->page_current->up = u_current->up;
toplevel->page_current->CHANGED=1;
} else if (w_current->undo_type == UNDO_MEMORY && u_current->object_list) {
s_page_delete_objects (toplevel, toplevel->page_current);
s_page_append_list (toplevel, toplevel->page_current,
o_glist_copy_all (toplevel, u_current->object_list,
NULL));
x_manual_resize(w_current);
toplevel->page_current->page_control = u_current->page_control;
toplevel->page_current->up = u_current->up;
toplevel->page_current->CHANGED=1;
}
/* do misc setups */
set_window(toplevel, toplevel->page_current,
u_current->left, u_current->right,
u_current->top, u_current->bottom);
x_hscrollbar_update(w_current);
x_vscrollbar_update(w_current);
/* restore logging */
do_logging = save_logging;
/* set filename right */
g_free(toplevel->page_current->page_filename);
toplevel->page_current->page_filename = save_filename;
/* final redraw */
x_pagesel_update (w_current);
x_multiattrib_update (w_current);
/* Let the caller to decide if redraw or not */
o_invalidate_all (w_current);
i_update_menus(w_current);
/* restore saved undo structures */
toplevel->page_current->undo_bottom = save_bottom;
toplevel->page_current->undo_tos = save_tos;
toplevel->page_current->undo_current = save_current;
if (type == UNDO_ACTION) {
if (toplevel->page_current->undo_current) {
toplevel->page_current->undo_current =
toplevel->page_current->undo_current->prev;
if (toplevel->page_current->undo_current == NULL) {
toplevel->page_current->undo_current =
toplevel->page_current->undo_bottom;
}
}
} else { /* type is REDO_ACTION */
if (toplevel->page_current->undo_current) {
toplevel->page_current->undo_current =
toplevel->page_current->undo_current->next;
if (toplevel->page_current->undo_current == NULL) {
toplevel->page_current->undo_current =
toplevel->page_current->undo_tos;
}
}
}
/* don't have to free data here since filename, object_list are */
/* just pointers to the real data (lower in the stack) */
if (find_prev_data) {
u_current->filename = NULL;
u_current->object_list = NULL;
}
#if DEBUG
printf("\n\n---Undo----\n");
s_undo_print_all(toplevel->page_current->undo_bottom);
printf("TOS: %s\n", toplevel->page_current->undo_tos->filename);
printf("CURRENT: %s\n", toplevel->page_current->undo_current->filename);
printf("----\n");
#endif
}
