Last round of cleanup for settings for now.

src/dusk/ui/frame/settings/uisettings.c

@@ -20,20 +20,10 @@
 #include "locale/localemanager.h"
 #include "asset/loader/locale/assetlocaleloader.h"
 
-#define UI_SETTINGS_DISCARD_TEXT_MAX 128
+uisettings_t UI_SETTINGS;
 
-typedef struct {
+uisettingstabdef_t UI_SETTINGS_TAB_DEFS[UI_SETTINGS_TAB_COUNT] = {
-  const char_t *localeId;
+  {
-  errorret_t (*init)(void);
-  uimenu_t *menu;
-  void (*load)(void);
-  void (*apply)(void);
-  bool_t (*hasChanges)(void);
-  bool_t pendingDiscardConfirm;
-} uisettingstabdef_t;
-
-static uisettingstabdef_t UI_SETTINGS_TAB_DEFS[UI_SETTINGS_TAB_COUNT] = {
-  [UI_SETTINGS_TAB_GAMEPLAY] = {
     .localeId = "ui.settings.tabs.gameplay",
     .init = uiSettingsGameplayInit,
     .menu = &UI_SETTINGS_GAMEPLAY.menu,
@@ -42,7 +32,7 @@ static uisettingstabdef_t UI_SETTINGS_TAB_DEFS[UI_SETTINGS_TAB_COUNT] = {
     .hasChanges = uiSettingsGameplayHasChanges
   },
 
-  [UI_SETTINGS_TAB_INPUT] = {
+  {
     .localeId = "ui.settings.tabs.input",
     .init = uiSettingsInputInit,
     .menu = &UI_SETTINGS_INPUT.menu,
@@ -51,7 +41,7 @@ static uisettingstabdef_t UI_SETTINGS_TAB_DEFS[UI_SETTINGS_TAB_COUNT] = {
     .hasChanges = uiSettingsInputHasChanges
   },
 
-  [UI_SETTINGS_TAB_DISPLAY] = {
+  {
     .localeId = "ui.settings.tabs.display",
     .init = uiSettingsDisplayInit,
     .menu = &UI_SETTINGS_DISPLAY.menu,
@@ -60,7 +50,7 @@ static uisettingstabdef_t UI_SETTINGS_TAB_DEFS[UI_SETTINGS_TAB_COUNT] = {
     .hasChanges = uiSettingsDisplayHasChanges
   },
 
-  [UI_SETTINGS_TAB_AUDIO] = {
+  {
     .localeId = "ui.settings.tabs.audio",
     .init = uiSettingsAudioInit,
     .menu = &UI_SETTINGS_AUDIO.menu,
@@ -70,16 +60,13 @@ static uisettingstabdef_t UI_SETTINGS_TAB_DEFS[UI_SETTINGS_TAB_COUNT] = {
   }
 };
 
-uisettings_t UI_SETTINGS;
-
 static uisettingstabdef_t UI_SETTINGS_TOP_DEF = {
   .menu = &UI_SETTINGS.tabsMenu,
   .load = uiSettingsLoad,
   .hasChanges = uiSettingsHasChanges
 };
 
-errorret_t uiSettingsDiscardUpdate(uisettingstabdef_t *def);
+static uisettingstabdef_t *UI_SETTINGS_PENDING_DISCARD = NULL;
-void uiSettingsDiscardConfirmResult(const bool_t result, void *user);
 
 void uiSettingsTabSelected(
   const uimenu_t *menu,
@@ -172,11 +159,12 @@ errorret_t uiSettingsDraw(void) {
 }
 
 errorret_t uiSettingsUpdate(void) {
-  for(uint8_t i = 0; i < UI_SETTINGS_TAB_COUNT; i++) {
+  if(!UI_SETTINGS_PENDING_DISCARD) errorOk();
-    errorChain(uiSettingsDiscardUpdate(&UI_SETTINGS_TAB_DEFS[i]));
-  }
 
-  return uiSettingsDiscardUpdate(&UI_SETTINGS_TOP_DEF);
+  uisettingstabdef_t *def = UI_SETTINGS_PENDING_DISCARD;
+  UI_SETTINGS_PENDING_DISCARD = NULL;
+
+  return uiSettingsDiscardUpdate(def);
 }
 
 bool_t uiSettingsIsOpen(void) {
@@ -217,13 +205,11 @@ bool_t uiSettingsHasChanges(void) {
 
 void uiSettingsDiscardMenuClosed(const uimenu_t *menu) {
   uisettingstabdef_t *def = (uisettingstabdef_t *)menu->user;
-  if(def->hasChanges()) def->pendingDiscardConfirm = true;
+  if(def->hasChanges()) UI_SETTINGS_PENDING_DISCARD = def;
 }
 
 errorret_t uiSettingsDiscardUpdate(uisettingstabdef_t *def) {
-  if(!def->pendingDiscardConfirm) errorOk();
+  #define UI_SETTINGS_DISCARD_TEXT_MAX 128
-  def->pendingDiscardConfirm = false;
-
   char_t text[UI_SETTINGS_DISCARD_TEXT_MAX];
   errorChain(assetLocaleGetString(
     &LOCALE.entry->data.locale,
@@ -232,6 +218,7 @@ errorret_t uiSettingsDiscardUpdate(uisettingstabdef_t *def) {
     text,
     UI_SETTINGS_DISCARD_TEXT_MAX
   ));
+  #undef UI_SETTINGS_DISCARD_TEXT_MAX
 
   uiConfirmOpen(text, uiSettingsDiscardConfirmResult, def);
 
@@ -242,12 +229,9 @@ void uiSettingsDiscardConfirmResult(const bool_t result, void *user) {
   uisettingstabdef_t *def = (uisettingstabdef_t *)user;
 
   if(!result) {
-    // Cancel means "keep editing" - reopen without reloading so the
-    // unsaved widget values the user had are preserved.
     uiMenuOpen(def->menu);
     return;
   }
 
-  // Confirmed - reload the widgets back to the actual engine values.
   def->load();
 }

src/dusk/ui/frame/settings/uisettings.h

@@ -9,10 +9,6 @@
 #include "error/error.h"
 #include "ui/widget/uimenu.h"
 
-#define UI_SETTINGS_TAB_GAMEPLAY 0
-#define UI_SETTINGS_TAB_INPUT 1
-#define UI_SETTINGS_TAB_DISPLAY 2
-#define UI_SETTINGS_TAB_AUDIO 3
 #define UI_SETTINGS_TAB_COUNT 4
 #define UI_SETTINGS_TAB_LABEL_MAX 32
 #define UI_SETTINGS_APPLY_LABEL_MAX 32
@@ -24,18 +20,50 @@ typedef struct {
   char_t applyLabel[UI_SETTINGS_APPLY_LABEL_MAX];
 } uisettings_t;
 
+typedef struct {
+  const char_t *localeId;
+  errorret_t (*init)(void);
+  uimenu_t *menu;
+  void (*load)(void);
+  void (*apply)(void);
+  bool_t (*hasChanges)(void);
+} uisettingstabdef_t;
+
 extern uisettings_t UI_SETTINGS;
+extern uisettingstabdef_t UI_SETTINGS_TAB_DEFS[UI_SETTINGS_TAB_COUNT];
 
 /**
  * Menu closed callback that flags a pending discard-changes
  * confirmation if the menu's settings page/panel reports unsaved
  * changes. Pass this directly as a settings page menu's closed
- * callback.
+ * callback. The pending def is picked up by uiSettingsUpdate on the
+ * next tick.
  *
  * @param menu The menu that was just closed.
  */
 void uiSettingsDiscardMenuClosed(const uimenu_t *menu);
 
+/**
+ * Shows the discard-changes confirmation dialog for def. Called once
+ * by uiSettingsUpdate when uiSettingsDiscardMenuClosed has flagged a
+ * pending def.
+ *
+ * @param def The tab/panel def to show the confirmation for.
+ * @return Any error that occurs.
+ */
+errorret_t uiSettingsDiscardUpdate(uisettingstabdef_t *def);
+
+/**
+ * Callback passed to uiConfirmOpen by uiSettingsDiscardUpdate. Reopens
+ * the menu if the user chose to keep editing, otherwise reloads the
+ * widgets back to the actual engine values.
+ *
+ * @param result True if the user confirmed discarding changes, false
+ * to keep editing.
+ * @param user The uisettingstabdef_t* this confirmation belongs to.
+ */
+void uiSettingsDiscardConfirmResult(const bool_t result, void *user);
+
 /**
  * Initializes the settings panel and all of its category pages.
  *

src/dusk/ui/frame/settings/uisettingsaudio.c

@@ -18,7 +18,6 @@ void uiSettingsAudioSelected(
 ) {
   if(index != UI_SETTINGS_AUDIO_INDEX_APPLY) return;
   uiSettingsAudioApply();
-  uiMenuClose(&UI_SETTINGS_AUDIO.menu);
 }
 
 errorret_t uiSettingsAudioInit(void) {
@@ -40,6 +39,7 @@ void uiSettingsAudioLoad(void) {
 }
 
 void uiSettingsAudioApply(void) {
+  uiMenuClose(&UI_SETTINGS_AUDIO.menu);
 }
 
 bool_t uiSettingsAudioHasChanges(void) {

src/dusk/ui/frame/settings/uisettingsdisplay.c

@@ -18,7 +18,6 @@ void uiSettingsDisplaySelected(
 ) {
   if(index != UI_SETTINGS_DISPLAY_INDEX_APPLY) return;
   uiSettingsDisplayApply();
-  uiMenuClose(&UI_SETTINGS_DISPLAY.menu);
 }
 
 errorret_t uiSettingsDisplayInit(void) {
@@ -40,6 +39,7 @@ void uiSettingsDisplayLoad(void) {
 }
 
 void uiSettingsDisplayApply(void) {
+  uiMenuClose(&UI_SETTINGS_DISPLAY.menu);
 }
 
 bool_t uiSettingsDisplayHasChanges(void) {

src/dusk/ui/frame/settings/uisettingsgameplay.c

@@ -13,26 +13,18 @@
 
 uisettingsgameplay_t UI_SETTINGS_GAMEPLAY;
 
-void uiSettingsGameplayShowConfirmResult(const bool_t result, void *user) {
-  consolePrint("Confirm dialog result: %s", result ? "confirmed" : "cancelled");
-}
-
 void uiSettingsGameplaySelected(
   const uimenu_t *menu,
   const uint8_t index,
   const uimenuitem_t *item
 ) {
-  if(index == UI_SETTINGS_GAMEPLAY_INDEX_SHOW_CONFIRM) {
+  switch(index) {
-    uiConfirmOpen(
+    case UI_SETTINGS_GAMEPLAY_INDEX_APPLY:
-      "Are you sure?", uiSettingsGameplayShowConfirmResult, NULL
-    );
-    return;
-  }
-
-  if(index == UI_SETTINGS_GAMEPLAY_INDEX_APPLY) {
       uiSettingsGameplayApply();
-    uiMenuClose(&UI_SETTINGS_GAMEPLAY.menu);
+      break;
-    return;
+
+    default:
+      break;
   }
 }
 
@@ -43,48 +35,20 @@ errorret_t uiSettingsGameplayInit(void) {
     &UI_SETTINGS_GAMEPLAY.menu, UI_SETTINGS_GAMEPLAY.items,
     uiSettingsGameplaySelected, uiSettingsDiscardMenuClosed, NULL
   );
-  MENU_BUTTON("Do thing");
-  MENU_BUTTON("Do other thing");
-  MENU_CHECKBOX("Enable thing?");
-  MENU_SLIDER_FLOAT("test", 1.0f, 1.0f, 4.0f, 0.5f);
-  MENU_BUTTON("Show confirm");
-  MENU_BUTTON(UI_SETTINGS.applyLabel);
   
+  MENU_BUTTON(UI_SETTINGS.applyLabel);
   MENU_END(UI_SETTINGS_GAMEPLAY.items, 1);
 
   errorOk();
 }
 
 void uiSettingsGameplayLoad(void) {
-  UI_SETTINGS_GAMEPLAY.loadedEnableThing = uiCheckboxIsChecked(
-    &UI_SETTINGS_GAMEPLAY.items[UI_SETTINGS_GAMEPLAY_INDEX_ENABLE_THING].checkbox
-  );
-  UI_SETTINGS_GAMEPLAY.loadedTestValue = uiSliderGetFloat(
-    &UI_SETTINGS_GAMEPLAY.items[UI_SETTINGS_GAMEPLAY_INDEX_TEST_SLIDER].slider
-  );
 }
 
 void uiSettingsGameplayApply(void) {
-  UI_SETTINGS_GAMEPLAY.loadedEnableThing = uiCheckboxIsChecked(
+  uiMenuClose(&UI_SETTINGS_GAMEPLAY.menu);
-    &UI_SETTINGS_GAMEPLAY.items[UI_SETTINGS_GAMEPLAY_INDEX_ENABLE_THING].checkbox
-  );
-  UI_SETTINGS_GAMEPLAY.loadedTestValue = uiSliderGetFloat(
-    &UI_SETTINGS_GAMEPLAY.items[UI_SETTINGS_GAMEPLAY_INDEX_TEST_SLIDER].slider
-  );
 }
 
 bool_t uiSettingsGameplayHasChanges(void) {
-  if(
-    uiCheckboxIsChecked(
-      &UI_SETTINGS_GAMEPLAY.items[UI_SETTINGS_GAMEPLAY_INDEX_ENABLE_THING].checkbox
-    ) != UI_SETTINGS_GAMEPLAY.loadedEnableThing
-  ) return true;
-
-  if(
-    uiSliderGetFloat(
-      &UI_SETTINGS_GAMEPLAY.items[UI_SETTINGS_GAMEPLAY_INDEX_TEST_SLIDER].slider
-    ) != UI_SETTINGS_GAMEPLAY.loadedTestValue
-  ) return true;
-
   return false;
 }

src/dusk/ui/frame/settings/uisettingsgameplay.h

@@ -19,8 +19,6 @@
 typedef struct {
   uimenu_t menu;
   uimenuitem_t items[UI_SETTINGS_GAMEPLAY_ITEM_COUNT];
-  bool_t loadedEnableThing;
-  float_t loadedTestValue;
 } uisettingsgameplay_t;
 
 extern uisettingsgameplay_t UI_SETTINGS_GAMEPLAY;

src/dusk/ui/frame/settings/uisettingsinput.c

@@ -21,7 +21,6 @@ void uiSettingsInputSelected(
 ) {
   if(index != UI_SETTINGS_INPUT_INDEX_APPLY) return;
   uiSettingsInputApply();
-  uiMenuClose(&UI_SETTINGS_INPUT.menu);
 }
 
 errorret_t uiSettingsInputInit(void) {
@@ -67,6 +66,7 @@ void uiSettingsInputApply(void) {
       &UI_SETTINGS_INPUT.items[UI_SETTINGS_INPUT_INDEX_DEADZONE].slider
     );
   #endif
+  uiMenuClose(&UI_SETTINGS_INPUT.menu);
 }
 
 bool_t uiSettingsInputHasChanges(void) {