diff options
Diffstat (limited to 'src/saffron_widget.c')
| -rw-r--r-- | src/saffron_widget.c | 31 |
1 files changed, 27 insertions, 4 deletions
diff --git a/src/saffron_widget.c b/src/saffron_widget.c index 089c040..85b2013 100644 --- a/src/saffron_widget.c +++ b/src/saffron_widget.c @@ -4,7 +4,7 @@ #include <saffron_api.h> #include <saffron_window.h> -SaffronWidget* saffron_widget_new() { +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)); @@ -24,9 +24,12 @@ SaffronWidget* saffron_widget_new() { } void saffron_widget_free(SaffronWidget *widget) { - /* should probably check if widget is NULL here - * oh well, too bad so sad. not my problem if the caller - * doesn't check and causes undefined behaviour. */ + /* 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]); } @@ -34,3 +37,23 @@ void saffron_widget_free(SaffronWidget *widget) { 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++; +} + |