87 lines
2.5 KiB
C++
87 lines
2.5 KiB
C++
#pragma once
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#include <cgv/gui/layout.h>
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#include <vector>
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#include "lib_begin.h"
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namespace cgv {
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namespace gui {
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// struct containing information on one cell
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struct layout_table_cell {
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bool can_shrink; // can this cell be shrinked?
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bool can_expand; // can this cell be expanded?
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bool can_fill; // can this cell fill all avalable space?
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int min_size; // minimum size for this cell
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int opt_size; // optimal size for this cell
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int real_size;
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void reset() {
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can_shrink = false;
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can_expand = false;
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can_fill = false;
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min_size = 0;
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opt_size = 0;
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real_size = 0;
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};
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};
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// layout to arrange children of a group that have a size and position
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// (ie. are derived from resizable) in a table
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class CGV_API layout_table: public layout
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{
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public:
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layout_table();
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layout_table(cgv::base::group_ptr container);
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~layout_table();
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// the core update function to align the elements in a table
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void update();
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// standard get and set methods
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std::string get_property_declarations();
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bool set_void(const std::string& property, const std::string& value_type, const void* value_ptr);
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bool get_void(const std::string& property, const std::string& value_type, void* value_ptr);
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// get width of a column
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int get_column_width(int col);
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// get height of a row
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int get_row_height(int row);
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// get size of a cell
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void get_cell_size(int row, int col, int &width, int &height);
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private:
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int nr_cols, nr_rows;
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layout_table_cell *columns;
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layout_table_cell *rows;
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bool do_not_layout;
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// calculate minimum and optimum size
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void initialize_space_tables();
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void delete_space_tables();
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void update_spaces_table(layout_table_cell &element, int opt_size, int min_size, int hints, int hints_shift);
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bool distribute_space(layout_table_cell *elements, int nr_elements, int new_size);
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void calculate_child_size(layout_table_cell &element, int opt_size, int min_size, int hints, int hints_shift, int &new_size);
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void calculate_child_pos(layout_table_cell &element, int child_size, int hints, int hints_shift, int &new_pos);
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void get_sizes(layout_table_cell *elements, int nr_elements, int *opt_size, int *min_size);
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void repair_default_values(int min_width, int min_height, int opt_width, int opt_height);
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};
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/// ref counted pointer to table layout
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typedef cgv::data::ref_ptr<layout_table> layout_table_ptr;
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}
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}
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#include <cgv/config/lib_end.h> |