68 lines
1.5 KiB
C
68 lines
1.5 KiB
C
#include "ui.h"
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#include "../memory/memory.h"
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#include "../util/object_pool.h"
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#include "../util/string.h"
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#include <stb_ds.h>
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typedef struct BzUI {
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struct {
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BzUIKey key;
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BzUIWidget *value;
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} *widgetMap;
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BzObjectPool *widgets;
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BzUIWidget **widgetStack;
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BzUIWidget *root;
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} BzUI;
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BzUIKey bzUIKeyNull() {
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return 0;
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}
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BzUIKey bzUIKeyFromString(const char *str) {
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return bzStringDefaultHash(str);
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}
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BzUI *bzUICreate() {
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BzUI *ui = bzAlloc(sizeof(*ui));
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ui->widgetMap = NULL;
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ui->widgetStack = NULL;
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ui->widgets = bzObjectPoolCreate(&(BzObjectPoolDesc) {
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.objectsPerPage=128,
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.objectSize=sizeof(BzUIWidget),
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});
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ui->root = bzObjectPool(ui->widgets);
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bzMemSet(ui->root, 0, sizeof(*ui->root));
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hmput(ui->widgetMap, bzUIKeyFromString("##root"), ui->root);
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return ui;
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}
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void bzUIDestroy(BzUI *ui) {
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hmfree(ui->widgetMap);
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ui->widgetMap = NULL;
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arrfree(ui->widgetStack);
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ui->widgetStack = NULL;
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bzObjectPoolDestroy(ui->widgets);
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ui->widgets = NULL;
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bzFree(ui);
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}
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void bzUIBegin(BzUI *ui, i32 width, i32 height) {
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arrsetlen(ui->widgetStack, 0);
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arrpush(ui->widgetStack, ui->root);
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ui->root->semanticSize[BZ_UI_AXIS_X] = (BzUISize){
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.kind = BZ_UI_SIZE_PIXELS,
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.value = width
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};
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ui->root->semanticSize[BZ_UI_AXIS_Y] = (BzUISize) {
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.kind = BZ_UI_SIZE_PIXELS,
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.value = height
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};
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}
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void bzUIEnd(BzUI *ui) {
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}
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