diff options
Diffstat (limited to 'source/blender/editors/undo/ed_undo.c')
| -rw-r--r-- | source/blender/editors/undo/ed_undo.c | 64 |
1 files changed, 41 insertions, 23 deletions
diff --git a/source/blender/editors/undo/ed_undo.c b/source/blender/editors/undo/ed_undo.c index 533416bf85e..860eaa37816 100644 --- a/source/blender/editors/undo/ed_undo.c +++ b/source/blender/editors/undo/ed_undo.c @@ -70,6 +70,17 @@ /** We only need this locally. */ static CLG_LogRef LOG = {"ed.undo"}; +/** + * \warning Values are used in #ED_undo_gpencil_step, + * which should eventually be replaced with the undo-system. + */ +enum eUndoStepDir { + STEP_REDO = 1, + STEP_UNDO = -1, + /** Only used when the undo step name or index is passed to #ed_undo_step_impl. */ + STEP_NONE = 0, +}; + /* -------------------------------------------------------------------- */ /** \name Generic Undo System Access * @@ -171,13 +182,16 @@ void ED_undo_push(bContext *C, const char *str) /** * \note Also check #undo_history_exec in bottom if you change notifiers. */ -static int ed_undo_step_impl( - bContext *C, int step, const char *undoname, int undo_index, ReportList *reports) +static int ed_undo_step_impl(bContext *C, + enum eUndoStepDir step, + const char *undo_name, + const int undo_index, + ReportList *reports) { /* Mutually exclusives, ensure correct input. */ - BLI_assert(((undoname || undo_index != -1) && !step) || - (!(undoname || undo_index != -1) && step)); - CLOG_INFO(&LOG, 1, "name='%s', step=%d", undoname, step); + BLI_assert(((undo_name || undo_index != -1) && (step == STEP_NONE)) || + (!(undo_name || undo_index != -1) && (step != STEP_NONE))); + CLOG_INFO(&LOG, 1, "name='%s', index=%d, step=%d", undo_name, undo_index, step); wmWindowManager *wm = CTX_wm_manager(C); Scene *scene = CTX_data_scene(C); ScrArea *area = CTX_wm_area(C); @@ -196,8 +210,12 @@ static int ed_undo_step_impl( /* TODO(campbell): undo_system: use undo system */ /* grease pencil can be can be used in plenty of spaces, so check it first */ + /* FIXME: This gpencil undo effectively only supports the one step undo/redo, undo based on name + * or index is fully not implemented. + * FIXME: However, it seems to never be used in current code (`ED_gpencil_session_active` seems + * to always return false). */ if (ED_gpencil_session_active()) { - return ED_undo_gpencil_step(C, step, undoname); + return ED_undo_gpencil_step(C, (int)step); } if (area && (area->spacetype == SPACE_VIEW3D)) { Object *obact = CTX_data_active_object(C); @@ -207,9 +225,9 @@ static int ed_undo_step_impl( } UndoStep *step_data_from_name = NULL; - int step_for_callback = step; - if (undoname != NULL) { - step_data_from_name = BKE_undosys_step_find_by_name(wm->undo_stack, undoname); + enum eUndoStepDir step_for_callback = step; + if (undo_name != NULL) { + step_data_from_name = BKE_undosys_step_find_by_name(wm->undo_stack, undo_name); if (step_data_from_name == NULL) { return OPERATOR_CANCELLED; } @@ -218,14 +236,14 @@ static int ed_undo_step_impl( /* Pointers match on redo. */ step_for_callback = (BLI_findindex(&wm->undo_stack->steps, step_data_from_name) < BLI_findindex(&wm->undo_stack->steps, wm->undo_stack->step_active)) ? - 1 : - -1; + STEP_UNDO : + STEP_REDO; } else if (undo_index != -1) { step_for_callback = (undo_index < BLI_findindex(&wm->undo_stack->steps, wm->undo_stack->step_active)) ? - 1 : - -1; + STEP_UNDO : + STEP_REDO; } /* App-Handlers (pre). */ @@ -240,14 +258,14 @@ static int ed_undo_step_impl( /* Undo System */ { - if (undoname) { + if (undo_name) { BKE_undosys_step_undo_with_data(wm->undo_stack, C, step_data_from_name); } else if (undo_index != -1) { BKE_undosys_step_undo_from_index(wm->undo_stack, C, undo_index); } else { - if (step == 1) { + if (step == STEP_UNDO) { BKE_undosys_step_undo(wm->undo_stack, C); } else { @@ -310,19 +328,19 @@ static int ed_undo_step_impl( return OPERATOR_FINISHED; } -static int ed_undo_step_direction(bContext *C, int step, ReportList *reports) +static int ed_undo_step_direction(bContext *C, enum eUndoStepDir step, ReportList *reports) { return ed_undo_step_impl(C, step, NULL, -1, reports); } static int ed_undo_step_by_name(bContext *C, const char *undo_name, ReportList *reports) { - return ed_undo_step_impl(C, 0, undo_name, -1, reports); + return ed_undo_step_impl(C, STEP_NONE, undo_name, -1, reports); } -static int ed_undo_step_by_index(bContext *C, int index, ReportList *reports) +static int ed_undo_step_by_index(bContext *C, const int undo_index, ReportList *reports) { - return ed_undo_step_impl(C, 0, NULL, index, reports); + return ed_undo_step_impl(C, STEP_NONE, NULL, undo_index, reports); } void ED_undo_grouped_push(bContext *C, const char *str) @@ -340,11 +358,11 @@ void ED_undo_grouped_push(bContext *C, const char *str) void ED_undo_pop(bContext *C) { - ed_undo_step_direction(C, 1, NULL); + ed_undo_step_direction(C, STEP_UNDO, NULL); } void ED_undo_redo(bContext *C) { - ed_undo_step_direction(C, -1, NULL); + ed_undo_step_direction(C, STEP_REDO, NULL); } void ED_undo_push_op(bContext *C, wmOperator *op) @@ -448,7 +466,7 @@ static int ed_undo_exec(bContext *C, wmOperator *op) { /* "last operator" should disappear, later we can tie this with undo stack nicer */ WM_operator_stack_clear(CTX_wm_manager(C)); - int ret = ed_undo_step_direction(C, 1, op->reports); + int ret = ed_undo_step_direction(C, STEP_UNDO, op->reports); if (ret & OPERATOR_FINISHED) { /* Keep button under the cursor active. */ WM_event_add_mousemove(CTX_wm_window(C)); @@ -477,7 +495,7 @@ static int ed_undo_push_exec(bContext *C, wmOperator *op) static int ed_redo_exec(bContext *C, wmOperator *op) { - int ret = ed_undo_step_direction(C, -1, op->reports); + int ret = ed_undo_step_direction(C, STEP_REDO, op->reports); if (ret & OPERATOR_FINISHED) { /* Keep button under the cursor active. */ WM_event_add_mousemove(CTX_wm_window(C)); |