diff options
Diffstat (limited to 'source/blender/editors/interface/interface_query.c')
| -rw-r--r-- | source/blender/editors/interface/interface_query.c | 115 |
1 files changed, 106 insertions, 9 deletions
diff --git a/source/blender/editors/interface/interface_query.c b/source/blender/editors/interface/interface_query.c index 7d561aa1c71..8534c95b6fd 100644 --- a/source/blender/editors/interface/interface_query.c +++ b/source/blender/editors/interface/interface_query.c @@ -78,7 +78,7 @@ bool ui_but_is_toggle(const uiBut *but) */ bool ui_but_is_interactive(const uiBut *but, const bool labeledit) { - /* note, UI_BTYPE_LABEL is included for highlights, this allows drags */ + /* NOTE: #UI_BTYPE_LABEL is included for highlights, this allows drags. */ if ((but->type == UI_BTYPE_LABEL) && but->dragpoin == NULL) { return false; } @@ -266,11 +266,29 @@ bool ui_but_contains_point_px_icon(const uiBut *but, ARegion *region, const wmEv return BLI_rcti_isect_pt(&rect, x, y); } +static uiBut *ui_but_find(const ARegion *region, + const uiButFindPollFn find_poll, + const void *find_custom_data) +{ + LISTBASE_FOREACH (uiBlock *, block, ®ion->uiblocks) { + LISTBASE_FOREACH_BACKWARD (uiBut *, but, &block->buttons) { + if (find_poll && find_poll(but, find_custom_data) == false) { + continue; + } + return but; + } + } + + return NULL; +} + /* x and y are only used in case event is NULL... */ uiBut *ui_but_find_mouse_over_ex(const ARegion *region, const int x, const int y, - const bool labeledit) + const bool labeledit, + const uiButFindPollFn find_poll, + const void *find_custom_data) { uiBut *butover = NULL; @@ -282,6 +300,9 @@ uiBut *ui_but_find_mouse_over_ex(const ARegion *region, ui_window_to_block_fl(region, block, &mx, &my); LISTBASE_FOREACH_BACKWARD (uiBut *, but, &block->buttons) { + if (find_poll && find_poll(but, find_custom_data) == false) { + continue; + } if (ui_but_is_interactive(but, labeledit)) { if (but->pie_dir != UI_RADIAL_NONE) { if (ui_but_isect_pie_seg(block, but)) { @@ -310,7 +331,7 @@ uiBut *ui_but_find_mouse_over_ex(const ARegion *region, uiBut *ui_but_find_mouse_over(const ARegion *region, const wmEvent *event) { - return ui_but_find_mouse_over_ex(region, event->x, event->y, event->ctrl != 0); + return ui_but_find_mouse_over_ex(region, event->x, event->y, event->ctrl != 0, NULL, NULL); } uiBut *ui_but_find_rect_over(const struct ARegion *region, const rcti *rect_px) @@ -351,7 +372,7 @@ uiBut *ui_but_find_rect_over(const struct ARegion *region, const rcti *rect_px) return butover; } -uiBut *ui_list_find_mouse_over_ex(ARegion *region, int x, int y) +uiBut *ui_list_find_mouse_over_ex(const ARegion *region, int x, int y) { if (!ui_region_contains_point_px(region, x, y)) { return NULL; @@ -369,11 +390,77 @@ uiBut *ui_list_find_mouse_over_ex(ARegion *region, int x, int y) return NULL; } -uiBut *ui_list_find_mouse_over(ARegion *region, const wmEvent *event) +uiBut *ui_list_find_mouse_over(const ARegion *region, const wmEvent *event) { + if (event == NULL) { + /* If there is no info about the mouse, just act as if there is nothing underneath it. */ + return NULL; + } return ui_list_find_mouse_over_ex(region, event->x, event->y); } +uiList *UI_list_find_mouse_over(const ARegion *region, const wmEvent *event) +{ + uiBut *list_but = ui_list_find_mouse_over(region, event); + if (!list_but) { + return NULL; + } + + return list_but->custom_data; +} + +static bool ui_list_contains_row(const uiBut *listbox_but, const uiBut *listrow_but) +{ + BLI_assert(listbox_but->type == UI_BTYPE_LISTBOX); + BLI_assert(listrow_but->type == UI_BTYPE_LISTROW); + /* The list box and its rows have the same RNA data (active data pointer/prop). */ + return ui_but_rna_equals(listbox_but, listrow_but); +} + +static bool ui_but_is_listbox_with_row(const uiBut *but, const void *customdata) +{ + const uiBut *row_but = customdata; + return (but->type == UI_BTYPE_LISTBOX) && ui_list_contains_row(but, row_but); +} + +uiBut *ui_list_find_from_row(const ARegion *region, const uiBut *row_but) +{ + return ui_but_find(region, ui_but_is_listbox_with_row, row_but); +} + +static bool ui_but_is_listrow(const uiBut *but, const void *UNUSED(customdata)) +{ + return but->type == UI_BTYPE_LISTROW; +} + +uiBut *ui_list_row_find_mouse_over(const ARegion *region, const int x, const int y) +{ + return ui_but_find_mouse_over_ex(region, x, y, false, ui_but_is_listrow, NULL); +} + +struct ListRowFindIndexData { + int index; + uiBut *listbox; +}; + +static bool ui_but_is_listrow_at_index(const uiBut *but, const void *customdata) +{ + const struct ListRowFindIndexData *find_data = customdata; + + return ui_but_is_listrow(but, NULL) && ui_list_contains_row(find_data->listbox, but) && + (but->hardmax == find_data->index); +} + +uiBut *ui_list_row_find_from_index(const ARegion *region, const int index, uiBut *listbox) +{ + BLI_assert(listbox->type == UI_BTYPE_LISTBOX); + struct ListRowFindIndexData data = { + .index = index, + .listbox = listbox, + }; + return ui_but_find(region, ui_but_is_listrow_at_index, &data); +} + /** \} */ /* -------------------------------------------------------------------- */ @@ -485,6 +572,17 @@ size_t ui_but_tip_len_only_first_line(const uiBut *but) /** \name Block (#uiBlock) State * \{ */ +uiBut *ui_block_active_but_get(const uiBlock *block) +{ + LISTBASE_FOREACH (uiBut *, but, &block->buttons) { + if (but->active) { + return but; + } + } + + return NULL; +} + bool ui_block_is_menu(const uiBlock *block) { return (((block->flag & UI_BLOCK_LOOP) != 0) && @@ -588,10 +686,9 @@ uiBlock *ui_block_find_mouse_over(const ARegion *region, const wmEvent *event, b uiBut *ui_region_find_active_but(ARegion *region) { LISTBASE_FOREACH (uiBlock *, block, ®ion->uiblocks) { - LISTBASE_FOREACH (uiBut *, but, &block->buttons) { - if (but->active) { - return but; - } + uiBut *but = ui_block_active_but_get(block); + if (but) { + return but; } } |