diff options
| -rw-r--r-- | doc/classes/GridContainer.xml | 3 | ||||
| -rw-r--r-- | scene/gui/grid_container.cpp | 35 |
2 files changed, 21 insertions, 17 deletions
diff --git a/doc/classes/GridContainer.xml b/doc/classes/GridContainer.xml index 7656a579af..e8c764f412 100644 --- a/doc/classes/GridContainer.xml +++ b/doc/classes/GridContainer.xml @@ -4,7 +4,8 @@ Grid container used to arrange elements in a grid like layout. </brief_description> <description> - Grid container will arrange its children in a grid like structure, the grid columns are specified using the [member columns] property and the number of rows will be equal to the number of children in the container divided by the number of columns. For example, if the container has 5 children, and 2 columns, there will be 3 rows in the container. Notice that grid layout will preserve the columns and rows for every size of the container. + Grid container will arrange its children in a grid like structure, the grid columns are specified using the [member columns] property and the number of rows will be equal to the number of children in the container divided by the number of columns. For example, if the container has 5 children, and 2 columns, there will be 3 rows in the container. + Notice that grid layout will preserve the columns and rows for every size of the container, and that empty columns will be expanded automatically. </description> <tutorials> </tutorials> diff --git a/scene/gui/grid_container.cpp b/scene/gui/grid_container.cpp index d0e2edc7b5..a6842603fd 100644 --- a/scene/gui/grid_container.cpp +++ b/scene/gui/grid_container.cpp @@ -36,20 +36,18 @@ void GridContainer::_notification(int p_what) { case NOTIFICATION_SORT_CHILDREN: { - int valid_controls_index; - - 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 + 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_constant("hseparation"); int vsep = get_constant("vseparation"); int max_col = MIN(get_child_count(), columns); int max_row = get_child_count() / columns; - // Compute the per-column/per-row data - valid_controls_index = 0; + // Compute the per-column/per-row data. + int valid_controls_index = 0; for (int i = 0; i < get_child_count(); i++) { Control *c = Object::cast_to<Control>(get_child(i)); if (!c || !c->is_visible_in_tree()) @@ -77,7 +75,12 @@ void GridContainer::_notification(int p_what) { } } - // Evaluate the remaining space for expanded columns/rows + // Consider all empty columns expanded. + for (int i = valid_controls_index; i < columns; i++) { + col_expanded.insert(i); + } + + // 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())) @@ -93,7 +96,7 @@ void GridContainer::_notification(int p_what) { bool can_fit = false; while (!can_fit && col_expanded.size() > 0) { - // Check if all minwidth constraints are ok if we use the remaining space + // 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()) { @@ -105,7 +108,7 @@ void GridContainer::_notification(int p_what) { } } - // If not, the column with maximum minwidth is not expanded + // If not, the column with maximum minwidth is not expanded. if (!can_fit) { col_expanded.erase(max_index); remaining_space.width -= col_minw[max_index]; @@ -114,7 +117,7 @@ void GridContainer::_notification(int p_what) { can_fit = false; while (!can_fit && row_expanded.size() > 0) { - // Check if all minwidth constraints are ok if we use the remaining space + // 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()) { @@ -126,14 +129,14 @@ void GridContainer::_notification(int p_what) { } } - // If not, the row with maximum minwidth is not expanded + // If not, the row with maximum minheight is not expanded. if (!can_fit) { row_expanded.erase(max_index); remaining_space.height -= row_minh[max_index]; } } - // Finally, fit the nodes + // 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; @@ -152,11 +155,11 @@ void GridContainer::_notification(int p_what) { if (col == 0) { 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]) + vsep; } 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]); + 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)); |