diff options
| -rw-r--r-- | scene/gui/split_container.cpp | 88 | ||||
| -rw-r--r-- | scene/gui/split_container.h | 2 |
2 files changed, 54 insertions, 36 deletions
diff --git a/scene/gui/split_container.cpp b/scene/gui/split_container.cpp index 04bd5b3282..d4fea0d206 100644 --- a/scene/gui/split_container.cpp +++ b/scene/gui/split_container.cpp @@ -67,9 +67,51 @@ Ref<Texture2D> SplitContainer::_get_grabber_icon() const { } } -void SplitContainer::_resort() { +void SplitContainer::_compute_middle_sep(bool p_clamp) { + Control *first = _getch(0); + Control *second = _getch(1); + + // Determine expanded children. + bool first_expanded = (vertical ? first->get_v_size_flags() : first->get_h_size_flags()) & SIZE_EXPAND; + bool second_expanded = (vertical ? second->get_v_size_flags() : second->get_h_size_flags()) & SIZE_EXPAND; + + // Compute the minimum size. int axis = vertical ? 1 : 0; + int size = get_size()[axis]; + int ms_first = first->get_combined_minimum_size()[axis]; + int ms_second = second->get_combined_minimum_size()[axis]; + + // Determine the separation between items. + Ref<Texture2D> g = get_theme_icon(SNAME("grabber")); + int sep = get_theme_constant(SNAME("separation")); + sep = (dragger_visibility != DRAGGER_HIDDEN_COLLAPSED) ? MAX(sep, vertical ? g->get_height() : g->get_width()) : 0; + + // Compute the wished separation_point. + int wished_middle_sep = 0; + int split_offset_with_collapse = 0; + if (!collapsed) { + split_offset_with_collapse = split_offset; + } + if (first_expanded && second_expanded) { + float ratio = first->get_stretch_ratio() / (first->get_stretch_ratio() + second->get_stretch_ratio()); + wished_middle_sep = size * ratio - sep / 2 + split_offset_with_collapse; + } else if (first_expanded) { + wished_middle_sep = size - sep + split_offset_with_collapse; + } else { + wished_middle_sep = split_offset_with_collapse; + } + + // Clamp the middle sep to acceptatble values. + middle_sep = CLAMP(wished_middle_sep, ms_first, size - sep - ms_second); + + // Clamp the split_offset if requested. + if (p_clamp) { + split_offset -= wished_middle_sep - middle_sep; + p_clamp = false; + } +} +void SplitContainer::_resort() { Control *first = _getch(0); Control *second = _getch(1); @@ -83,41 +125,12 @@ void SplitContainer::_resort() { return; } - // Determine expanded children - bool first_expanded = (vertical ? first->get_v_size_flags() : first->get_h_size_flags()) & SIZE_EXPAND; - bool second_expanded = (vertical ? second->get_v_size_flags() : second->get_h_size_flags()) & SIZE_EXPAND; + // If we have more that one. + _compute_middle_sep(false); - // Determine the separation between items Ref<Texture2D> g = _get_grabber_icon(); int sep = (dragger_visibility != DRAGGER_HIDDEN_COLLAPSED) ? MAX(theme_cache.separation, vertical ? g->get_height() : g->get_width()) : 0; - // Compute the minimum size - Size2 ms_first = first->get_combined_minimum_size(); - Size2 ms_second = second->get_combined_minimum_size(); - - // Compute the separator position without the split offset - float ratio = first->get_stretch_ratio() / (first->get_stretch_ratio() + second->get_stretch_ratio()); - int no_offset_middle_sep = 0; - if (first_expanded && second_expanded) { - no_offset_middle_sep = get_size()[axis] * ratio - sep / 2; - } else if (first_expanded) { - no_offset_middle_sep = get_size()[axis] - ms_second[axis] - sep; - } else { - no_offset_middle_sep = ms_first[axis]; - } - - // Compute the final middle separation. - middle_sep = no_offset_middle_sep; - if (!collapsed) { - int clamped_split_offset = CLAMP(split_offset, ms_first[axis] - no_offset_middle_sep, (get_size()[axis] - ms_second[axis] - sep) - no_offset_middle_sep); - middle_sep += clamped_split_offset; - if (should_clamp_split_offset) { - split_offset = clamped_split_offset; - - should_clamp_split_offset = false; - } - } - if (vertical) { fit_child_in_rect(first, Rect2(Point2(0, 0), Size2(get_size().width, middle_sep))); int sofs = middle_sep + sep; @@ -248,12 +261,14 @@ void SplitContainer::gui_input(const Ref<InputEvent> &p_event) { if (mb->is_pressed()) { if (vertical) { if (mb->get_position().y > middle_sep && mb->get_position().y < middle_sep + theme_cache.separation) { + _compute_middle_sep(true); dragging = true; drag_from = mb->get_position().y; drag_ofs = split_offset; } } else { if (mb->get_position().x > middle_sep && mb->get_position().x < middle_sep + theme_cache.separation) { + _compute_middle_sep(true); dragging = true; drag_from = mb->get_position().x; drag_ofs = split_offset; @@ -287,11 +302,11 @@ void SplitContainer::gui_input(const Ref<InputEvent> &p_event) { } if (!vertical && is_layout_rtl()) { - split_offset = drag_ofs + (drag_from - (vertical ? mm->get_position().y : mm->get_position().x)); + split_offset = drag_ofs - ((vertical ? mm->get_position().y : mm->get_position().x) - drag_from); } else { split_offset = drag_ofs + ((vertical ? mm->get_position().y : mm->get_position().x) - drag_from); } - should_clamp_split_offset = true; + _compute_middle_sep(true); queue_sort(); emit_signal(SNAME("dragged"), get_split_offset()); } @@ -332,8 +347,11 @@ int SplitContainer::get_split_offset() const { } void SplitContainer::clamp_split_offset() { - should_clamp_split_offset = true; + if (!_getch(0) || !_getch(1)) { + return; + } + _compute_middle_sep(true); queue_sort(); } diff --git a/scene/gui/split_container.h b/scene/gui/split_container.h index 8ab0779d4b..598b0ba485 100644 --- a/scene/gui/split_container.h +++ b/scene/gui/split_container.h @@ -44,7 +44,6 @@ public: }; private: - bool should_clamp_split_offset = false; int split_offset = 0; int middle_sep = 0; bool vertical = false; @@ -66,6 +65,7 @@ private: Control *_getch(int p_idx) const; Ref<Texture2D> _get_grabber_icon() const; + void _compute_middle_sep(bool p_clamp); void _resort(); protected: |