112 lines
2.7 KiB
C
112 lines
2.7 KiB
C
#include "unit.h"
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#include "constraints.h"
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#include "settings.h"
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#include <stdlib.h>
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#include <string.h>
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struct Unit {
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UnitKind kind;
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struct Unit *parent;
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bool show_bar;
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float master_area_factor;
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};
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Unit unit_new(const UnitKind kind, const Unit parent)
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{
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Unit unit = malloc(sizeof(struct Unit));
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if (!unit) goto fail_without_unit;
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memset(unit, 0, sizeof(struct Unit));
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unit->kind = kind;
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unit->parent = parent;
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unit->show_bar = settings_get_show_bar_by_default();
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unit->master_area_factor = settings_get_default_master_area_factor();
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if (unit->kind == UNIT_GLOBAL) {
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// TODO: maybe we should assert here
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if (unit->parent) goto fail_other;
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} else {
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if (!unit->parent || unit->kind != unit->parent->kind + 1) {
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// TODO: maybe we should assert here
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goto fail_other;
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}
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}
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return unit;
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fail_other:
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free(unit);
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fail_without_unit:
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return NULL;
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}
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void unit_delete(const Unit unit)
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{
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// TODO: maybe we should assert
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if (unit == NULL) return;
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free(unit);
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}
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bool unit_get_show_bar(const Unit unit)
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{
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const UnitKind show_bar_per_unit = settings_get_show_bar_per_unit();
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if (unit->kind == show_bar_per_unit) {
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return unit->show_bar;
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} else if (unit->kind > show_bar_per_unit) {
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return unit_get_show_bar(unit->parent);
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} else {
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// TODO: maybe we should assert here
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return settings_get_show_bar_by_default();
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}
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}
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bool unit_toggle_show_bar(const Unit unit)
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{
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const UnitKind show_bar_per_unit = settings_get_show_bar_per_unit();
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if (unit->kind == show_bar_per_unit) {
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return unit->show_bar = !unit->show_bar;
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} else if (unit->kind > show_bar_per_unit) {
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return unit_toggle_show_bar(unit->parent);
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} else {
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// TODO: maybe we should assert here
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return settings_get_show_bar_by_default();
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}
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}
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float unit_get_master_area_factor(const Unit unit)
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{
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const UnitKind master_area_factor_per_unit =
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settings_get_master_area_factor_per_unit();
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if (unit->kind == master_area_factor_per_unit) {
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return unit->master_area_factor;
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} else if (unit->kind > master_area_factor_per_unit) {
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return unit_get_master_area_factor(unit->parent);
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} else {
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// TODO: maybe we should assert here
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return settings_get_default_master_area_factor();
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}
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}
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float unit_inc_master_area_factor(const Unit unit, const float delta)
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{
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const UnitKind master_area_factor_per_unit =
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settings_get_master_area_factor_per_unit();
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if (unit->kind == master_area_factor_per_unit) {
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return unit->master_area_factor =
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constraints_master_area_factor(unit->master_area_factor + delta);
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} else if (unit->kind > master_area_factor_per_unit) {
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return unit_inc_master_area_factor(unit->parent, delta);
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} else {
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// TODO: maybe we should assert here
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return settings_get_default_master_area_factor();
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}
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}
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