diff options
Diffstat (limited to 'source/blender/editors/screen/workspace_layout_edit.c')
| -rw-r--r-- | source/blender/editors/screen/workspace_layout_edit.c | 198 |
1 files changed, 198 insertions, 0 deletions
diff --git a/source/blender/editors/screen/workspace_layout_edit.c b/source/blender/editors/screen/workspace_layout_edit.c new file mode 100644 index 00000000000..e4dd841f833 --- /dev/null +++ b/source/blender/editors/screen/workspace_layout_edit.c @@ -0,0 +1,198 @@ +/* + * ***** BEGIN GPL LICENSE BLOCK ***** + * + * 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 the Free Software Foundation; either version 2 + * 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 General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software Foundation, + * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. + * + * ***** END GPL LICENSE BLOCK ***** + */ + +/** \file blender/editors/screen/workspace_layout_edit.c + * \ingroup edscr + */ + +#include <stdlib.h> + +#include "BKE_context.h" +#include "BKE_global.h" +#include "BKE_main.h" +#include "BKE_screen.h" +#include "BKE_workspace.h" + +#include "BLI_utildefines.h" +#include "BLI_listbase.h" + +#include "DNA_screen_types.h" +#include "DNA_workspace_types.h" + +#include "ED_screen.h" + +#include "WM_api.h" + +#include "screen_intern.h" + + +/** + * Empty screen, with 1 dummy area without spacedata. Uses window size. + */ +WorkSpaceLayout *ED_workspace_layout_add( + WorkSpace *workspace, + wmWindow *win, + const char *name) +{ + const int winsize_x = WM_window_pixels_x(win); + const int winsize_y = WM_window_pixels_y(win); + + bScreen *screen = screen_add(name, winsize_x, winsize_y); + WorkSpaceLayout *layout = BKE_workspace_layout_add(workspace, screen, name); + + return layout; +} + +WorkSpaceLayout *ED_workspace_layout_duplicate( + WorkSpace *workspace, const WorkSpaceLayout *layout_old, + wmWindow *win) +{ + bScreen *screen_old = BKE_workspace_layout_screen_get(layout_old); + const char *name = BKE_workspace_layout_name_get(layout_old); + bScreen *screen_new; + WorkSpaceLayout *layout_new; + + if (BKE_screen_is_fullscreen_area(screen_old)) { + return NULL; /* XXX handle this case! */ + } + + layout_new = ED_workspace_layout_add(workspace, win, name); + screen_new = BKE_workspace_layout_screen_get(layout_new); + screen_data_copy(screen_new, screen_old); + + return layout_new; +} + +static bool workspace_layout_delete_doit( + WorkSpace *workspace, WorkSpaceLayout *layout_old, WorkSpaceLayout *layout_new, + bContext *C) +{ + Main *bmain = CTX_data_main(C); + wmWindow *win = CTX_wm_window(C); + bScreen *screen_new = BKE_workspace_layout_screen_get(layout_new); + + ED_screen_change(C, screen_new); + + if (BKE_workspace_active_layout_get(win->workspace_hook) != layout_old) { + BKE_workspace_layout_remove(bmain, workspace, layout_old); + return true; + } + + return false; +} + +bool workspace_layout_set_poll(const WorkSpaceLayout *layout) +{ + const bScreen *screen = BKE_workspace_layout_screen_get(layout); + + return ((BKE_screen_is_used(screen) == false) && + /* in typical usage temp screens should have a nonzero winid + * (all temp screens should be used, or closed & freed). */ + (screen->temp == false) && + (BKE_screen_is_fullscreen_area(screen) == false) && + (screen->id.name[2] != '.' || !(U.uiflag & USER_HIDE_DOT))); +} + +static WorkSpaceLayout *workspace_layout_delete_find_new(const WorkSpaceLayout *layout_old) +{ + for (WorkSpaceLayout *layout_new = layout_old->prev; layout_new; layout_new = layout_new->next) { + if (workspace_layout_set_poll(layout_new)) { + return layout_new; + } + } + + for (WorkSpaceLayout *layout_new = layout_old->next; layout_new; layout_new = layout_new->next) { + if (workspace_layout_set_poll(layout_new)) { + return layout_new; + } + } + + return NULL; +} + +/** + * \warning Only call outside of area/region loops! + * \return true if succeeded. + */ +bool ED_workspace_layout_delete( + WorkSpace *workspace, WorkSpaceLayout *layout_old, + bContext *C) +{ + const bScreen *screen_old = BKE_workspace_layout_screen_get(layout_old); + WorkSpaceLayout *layout_new; + + BLI_assert(BLI_findindex(BKE_workspace_layouts_get(workspace), layout_old) != -1); + + /* don't allow deleting temp fullscreens for now */ + if (BKE_screen_is_fullscreen_area(screen_old)) { + return false; + } + + /* A layout/screen can only be in use by one window at a time, so as + * long as we are able to find a layout/screen that is unused, we + * can safely assume ours is not in use anywhere an delete it. */ + + layout_new = workspace_layout_delete_find_new(layout_old); + + if (layout_new) { + return workspace_layout_delete_doit(workspace, layout_old, layout_new, C); + } + + return false; +} + +static bool workspace_layout_cycle_iter_cb(const WorkSpaceLayout *layout, void *UNUSED(arg)) +{ + /* return false to stop iterator when we have found a layout to activate */ + return !workspace_layout_set_poll(layout); +} + +bool ED_workspace_layout_cycle( + WorkSpace *workspace, const short direction, bContext *C) +{ + wmWindow *win = CTX_wm_window(C); + WorkSpaceLayout *old_layout = BKE_workspace_active_layout_get(win->workspace_hook); + WorkSpaceLayout *new_layout; + const bScreen *old_screen = BKE_workspace_layout_screen_get(old_layout); + ScrArea *sa = CTX_wm_area(C); + + if (old_screen->temp || (sa && sa->full && sa->full->temp)) { + return false; + } + + BLI_assert(ELEM(direction, 1, -1)); + new_layout = BKE_workspace_layout_iter_circular(workspace, old_layout, workspace_layout_cycle_iter_cb, + NULL, (direction == -1) ? true : false); + + if (new_layout && (old_layout != new_layout)) { + bScreen *new_screen = BKE_workspace_layout_screen_get(new_layout); + + if (sa && sa->full) { + /* return to previous state before switching screens */ + ED_screen_full_restore(C, sa); /* may free screen of old_layout */ + } + + ED_screen_change(C, new_screen); + + return true; + } + + return false; +} |