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Prevent segfault when hovering over a DJUI element

This commit is contained in:
MysterD 2021-08-02 18:57:19 -07:00
parent 44850f7b57
commit 951d8e6fe7
3 changed files with 19 additions and 14 deletions
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5
src/pc/djui/djui_base.c
View File

@ -319,6 +319,11 @@ bool djui_base_render(struct DjuiBase* base) {
}
void djui_base_destroy(struct DjuiBase* base) {
// remove hovered status
if (gDjuiHovered == base) {
gDjuiHovered = NULL;
}
// remove myself from parent's linked list
if (base->parent != NULL) {
struct DjuiBaseChild* child = base->parent->child;

27
src/pc/djui/djui_interactable.c
View File

@ -15,9 +15,9 @@ static u16 sKeyboardButtons = 0;
static bool sIgnoreInteractableUntilCursorReleased = false;
struct DjuiBase* gDjuiHovered = NULL;
static struct DjuiBase* sInteractableFocus = NULL;
static struct DjuiBase* sInteractableBinding = NULL;
static struct DjuiBase* sHovered = NULL;
static struct DjuiBase* sMouseDown = NULL;
bool gInteractableOverridePad = false;
OSContPad gInteractablePad = { 0 };
@ -50,9 +50,9 @@ static void djui_interactable_on_cursor_down_begin(struct DjuiBase* base, bool i
if (base->interactable == NULL) { return; }
if (base->interactable->on_cursor_down_begin == NULL) { return; }
if (sHovered != NULL) {
djui_interactable_on_hover_end(sHovered);
sHovered = NULL;
if (gDjuiHovered != NULL) {
djui_interactable_on_hover_end(gDjuiHovered);
gDjuiHovered = NULL;
}
base->interactable->on_cursor_down_begin(base, inputCursor);
@ -121,10 +121,10 @@ static void djui_interactable_cursor_update_active(struct DjuiBase* base) {
if (!djui_cursor_inside_base(base)) { return; }
if (base->interactable != NULL) {
sHovered = base;
gDjuiHovered = base;
insideParent = base;
} else if (insideParent == NULL) {
sHovered = NULL;
gDjuiHovered = NULL;
}
// check all children
@ -330,9 +330,9 @@ void djui_interactable_update(void) {
djui_interactable_on_bind(sInteractableBinding);
} else if ((padButtons & PAD_BUTTON_A) || (mouseButtons & MOUSE_BUTTON_1)) {
// cursor down events
if (sHovered != NULL) {
sMouseDown = sHovered;
sHovered = NULL;
if (gDjuiHovered != NULL) {
sMouseDown = gDjuiHovered;
gDjuiHovered = NULL;
djui_interactable_on_cursor_down_begin(sMouseDown, !mouseButtons);
} else {
djui_interactable_on_cursor_down(sMouseDown);
@ -343,15 +343,14 @@ void djui_interactable_update(void) {
djui_interactable_on_cursor_down_end(sMouseDown);
sMouseDown = NULL;
}
struct DjuiBase* lastHovered = sHovered;
sHovered = NULL;
struct DjuiBase* lastHovered = gDjuiHovered;
gDjuiHovered = NULL;
djui_interactable_cursor_update_active(&gDjuiRoot->base);
if (lastHovered != sHovered) {
// FIXME: THIS CAN CAUSE A SEGFAULT!
if (lastHovered != gDjuiHovered) {
djui_interactable_on_hover_end(lastHovered);
play_sound(SOUND_MENU_MESSAGE_NEXT_PAGE, gDefaultSoundArgs);
}
djui_interactable_on_hover(sHovered);
djui_interactable_on_hover(gDjuiHovered);
}
sLastInteractablePad = gInteractablePad;

1
src/pc/djui/djui_interactable.h
View File

@ -42,6 +42,7 @@ struct DjuiInteractable {
extern bool gInteractableOverridePad;
extern OSContPad gInteractablePad;
extern struct DjuiBase* gDjuiHovered;
bool djui_interactable_is_binding(void);
void djui_interactable_set_binding(struct DjuiBase* base);