diff options
Diffstat (limited to 'scene/gui/grid_container.cpp')
-rw-r--r-- | scene/gui/grid_container.cpp | 173 |
1 files changed, 122 insertions, 51 deletions
diff --git a/scene/gui/grid_container.cpp b/scene/gui/grid_container.cpp index 2f37461c4d..8dc890eccb 100644 --- a/scene/gui/grid_container.cpp +++ b/scene/gui/grid_container.cpp @@ -5,8 +5,8 @@ /* GODOT ENGINE */ /* https://godotengine.org */ /*************************************************************************/ -/* Copyright (c) 2007-2020 Juan Linietsky, Ariel Manzur. */ -/* Copyright (c) 2014-2020 Godot Engine contributors (cf. AUTHORS.md). */ +/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur. */ +/* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md). */ /* */ /* Permission is hereby granted, free of charge, to any person obtaining */ /* a copy of this software and associated documentation files (the */ @@ -29,19 +29,22 @@ /*************************************************************************/ #include "grid_container.h" +#include "core/templates/rb_set.h" + +void GridContainer::_update_theme_item_cache() { + Container::_update_theme_item_cache(); + + theme_cache.h_separation = get_theme_constant(SNAME("h_separation")); + theme_cache.v_separation = get_theme_constant(SNAME("v_separation")); +} void GridContainer::_notification(int p_what) { switch (p_what) { case NOTIFICATION_SORT_CHILDREN: { - Map<int, int> col_minw; // Max of min_width of all controls in each col (indexed by col). - Map<int, int> row_minh; // Max of min_height of all controls in each row (indexed by row). - Set<int> col_expanded; // Columns which have the SIZE_EXPAND flag set. - Set<int> row_expanded; // Rows which have the SIZE_EXPAND flag set. - - int hsep = get_theme_constant("hseparation"); - int vsep = get_theme_constant("vseparation"); - int max_col = MIN(get_child_count(), columns); - int max_row = ceil((float)get_child_count() / (float)columns); + RBMap<int, int> col_minw; // Max of min_width of all controls in each col (indexed by col). + RBMap<int, int> row_minh; // Max of min_height of all controls in each row (indexed by row). + RBSet<int> col_expanded; // Columns which have the SIZE_EXPAND flag set. + RBSet<int> row_expanded; // Rows which have the SIZE_EXPAND flag set. // Compute the per-column/per-row data. int valid_controls_index = 0; @@ -50,6 +53,9 @@ void GridContainer::_notification(int p_what) { if (!c || !c->is_visible_in_tree()) { continue; } + if (c->is_set_as_top_level()) { + continue; + } int row = valid_controls_index / columns; int col = valid_controls_index % columns; @@ -75,6 +81,9 @@ void GridContainer::_notification(int p_what) { } } + int max_col = MIN(valid_controls_index, columns); + int max_row = ceil((float)valid_controls_index / (float)columns); + // Consider all empty columns expanded. for (int i = valid_controls_index; i < columns; i++) { col_expanded.insert(i); @@ -82,30 +91,30 @@ void GridContainer::_notification(int p_what) { // Evaluate the remaining space for expanded columns/rows. Size2 remaining_space = get_size(); - for (Map<int, int>::Element *E = col_minw.front(); E; E = E->next()) { - if (!col_expanded.has(E->key())) { - remaining_space.width -= E->get(); + for (const KeyValue<int, int> &E : col_minw) { + if (!col_expanded.has(E.key)) { + remaining_space.width -= E.value; } } - for (Map<int, int>::Element *E = row_minh.front(); E; E = E->next()) { - if (!row_expanded.has(E->key())) { - remaining_space.height -= E->get(); + for (const KeyValue<int, int> &E : row_minh) { + if (!row_expanded.has(E.key)) { + remaining_space.height -= E.value; } } - remaining_space.height -= vsep * MAX(max_row - 1, 0); - remaining_space.width -= hsep * MAX(max_col - 1, 0); + remaining_space.height -= theme_cache.v_separation * MAX(max_row - 1, 0); + remaining_space.width -= theme_cache.h_separation * MAX(max_col - 1, 0); bool can_fit = false; while (!can_fit && col_expanded.size() > 0) { // Check if all minwidth constraints are OK if we use the remaining space. can_fit = true; int max_index = col_expanded.front()->get(); - for (Set<int>::Element *E = col_expanded.front(); E; E = E->next()) { - if (col_minw[E->get()] > col_minw[max_index]) { - max_index = E->get(); + for (const int &E : col_expanded) { + if (col_minw[E] > col_minw[max_index]) { + max_index = E; } - if (can_fit && (remaining_space.width / col_expanded.size()) < col_minw[E->get()]) { + if (can_fit && (remaining_space.width / col_expanded.size()) < col_minw[E]) { can_fit = false; } } @@ -122,11 +131,11 @@ void GridContainer::_notification(int p_what) { // Check if all minheight constraints are OK if we use the remaining space. can_fit = true; int max_index = row_expanded.front()->get(); - for (Set<int>::Element *E = row_expanded.front(); E; E = E->next()) { - if (row_minh[E->get()] > row_minh[max_index]) { - max_index = E->get(); + for (const int &E : row_expanded) { + if (row_minh[E] > row_minh[max_index]) { + max_index = E; } - if (can_fit && (remaining_space.height / row_expanded.size()) < row_minh[E->get()]) { + if (can_fit && (remaining_space.height / row_expanded.size()) < row_minh[E]) { can_fit = false; } } @@ -139,12 +148,47 @@ void GridContainer::_notification(int p_what) { } // Finally, fit the nodes. - int col_expand = col_expanded.size() > 0 ? remaining_space.width / col_expanded.size() : 0; - int row_expand = row_expanded.size() > 0 ? remaining_space.height / row_expanded.size() : 0; + int col_remaining_pixel = 0; + int col_expand = 0; + if (col_expanded.size() > 0) { + col_expand = remaining_space.width / col_expanded.size(); + col_remaining_pixel = remaining_space.width - col_expanded.size() * col_expand; + } + + int row_remaining_pixel = 0; + int row_expand = 0; + if (row_expanded.size() > 0) { + row_expand = remaining_space.height / row_expanded.size(); + row_remaining_pixel = remaining_space.height - row_expanded.size() * row_expand; + } + + bool rtl = is_layout_rtl(); int col_ofs = 0; int row_ofs = 0; + // Calculate the index of rows and columns that receive the remaining pixel. + int col_remaining_pixel_index = 0; + for (int i = 0; i < max_col; i++) { + if (col_remaining_pixel == 0) { + break; + } + if (col_expanded.has(i)) { + col_remaining_pixel_index = i + 1; + col_remaining_pixel--; + } + } + int row_remaining_pixel_index = 0; + for (int i = 0; i < max_row; i++) { + if (row_remaining_pixel == 0) { + break; + } + if (row_expanded.has(i)) { + row_remaining_pixel_index = i + 1; + row_remaining_pixel--; + } + } + valid_controls_index = 0; for (int i = 0; i < get_child_count(); i++) { Control *c = Object::cast_to<Control>(get_child(i)); @@ -156,32 +200,64 @@ void GridContainer::_notification(int p_what) { valid_controls_index++; if (col == 0) { - col_ofs = 0; + if (rtl) { + col_ofs = get_size().width; + } else { + col_ofs = 0; + } if (row > 0) { - row_ofs += (row_expanded.has(row - 1) ? row_expand : row_minh[row - 1]) + vsep; + row_ofs += (row_expanded.has(row - 1) ? row_expand : row_minh[row - 1]) + theme_cache.v_separation; + + if (row_expanded.has(row - 1) && row - 1 < row_remaining_pixel_index) { + // Apply the remaining pixel of the previous row. + row_ofs++; + } } } - Point2 p(col_ofs, row_ofs); Size2 s(col_expanded.has(col) ? col_expand : col_minw[col], row_expanded.has(row) ? row_expand : row_minh[row]); - fit_child_in_rect(c, Rect2(p, s)); + // Add the remaining pixel to the expanding columns and rows, starting from left and top. + if (col_expanded.has(col) && col < col_remaining_pixel_index) { + s.x++; + } + if (row_expanded.has(row) && row < row_remaining_pixel_index) { + s.y++; + } - col_ofs += s.width + hsep; + if (rtl) { + Point2 p(col_ofs - s.width, row_ofs); + fit_child_in_rect(c, Rect2(p, s)); + col_ofs -= s.width + theme_cache.h_separation; + } else { + Point2 p(col_ofs, row_ofs); + fit_child_in_rect(c, Rect2(p, s)); + col_ofs += s.width + theme_cache.h_separation; + } } - } break; + case NOTIFICATION_THEME_CHANGED: { - minimum_size_changed(); + update_minimum_size(); + } break; + + case NOTIFICATION_TRANSLATION_CHANGED: + case NOTIFICATION_LAYOUT_DIRECTION_CHANGED: { + queue_sort(); } break; } } void GridContainer::set_columns(int p_columns) { ERR_FAIL_COND(p_columns < 1); + + if (columns == p_columns) { + return; + } + columns = p_columns; queue_sort(); - minimum_size_changed(); + update_minimum_size(); } int GridContainer::get_columns() const { @@ -196,11 +272,8 @@ void GridContainer::_bind_methods() { } Size2 GridContainer::get_minimum_size() const { - Map<int, int> col_minw; - Map<int, int> row_minh; - - int hsep = get_theme_constant("hseparation"); - int vsep = get_theme_constant("vseparation"); + RBMap<int, int> col_minw; + RBMap<int, int> row_minh; int max_row = 0; int max_col = 0; @@ -233,20 +306,18 @@ Size2 GridContainer::get_minimum_size() const { Size2 ms; - for (Map<int, int>::Element *E = col_minw.front(); E; E = E->next()) { - ms.width += E->get(); + for (const KeyValue<int, int> &E : col_minw) { + ms.width += E.value; } - for (Map<int, int>::Element *E = row_minh.front(); E; E = E->next()) { - ms.height += E->get(); + for (const KeyValue<int, int> &E : row_minh) { + ms.height += E.value; } - ms.height += vsep * max_row; - ms.width += hsep * max_col; + ms.height += theme_cache.v_separation * max_row; + ms.width += theme_cache.h_separation * max_col; return ms; } -GridContainer::GridContainer() { - columns = 1; -} +GridContainer::GridContainer() {} |