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#include <SDL3/SDL.h>
#include <stdlib.h>
#include <saffron_widget.h>
#include <saffron_api.h>
#include <saffron_window.h>
SaffronWidget* saffron_widget_new(void) {
/* This function is a generic primitive for creating widgets. You wouldn't want to do this manually unless you're a lunatic. It is meant to be wrapped around by other functions that change the default parameters, for example, what sane person makes a widget 0x0x0x0? you LUNATIC! */
SaffronWidget* widget = malloc(sizeof(SaffronWidget));
widget->x = 0;
widget->y = 0;
widget->w = 0;
widget->h = 0;
widget->draw = NULL;
widget->on_click = NULL;
widget->parent = NULL;
widget->children = NULL;
widget->child_count = 0;
return widget;
}
void saffron_widget_free(SaffronWidget *widget) {
/* follow-up to my previous comment:
* yeah it is the caller's responsibility to check
* for undefined behaviour but this one line will save
* so much time down the line */
if (!widget) return;
for (int i = 0; i < widget->child_count; i++) {
saffron_widget_free(widget->children[i]);
}
free(widget->children);
free(widget);
}
void saffron_widget_draw(SaffronWidget* widget, SDL_Renderer *renderer) {
if (!widget) return;
if (widget->draw) {
widget->draw(widget, renderer);
}
for (int i = 0; i < widget->child_count; i++) {
saffron_widget_draw(widget->children[i], renderer);
}
}
void saffron_widget_add_child(SaffronWidget *parent, SaffronWidget *child) {
child->parent = parent;
parent->children = realloc(parent->children, sizeof(SaffronWidget*) * (parent->child_count + 1));
parent->children[parent->child_count] = child;
parent->child_count++;
}
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