Added highlighting to the menu buttons on mouseover.

svn-id: r20142

3 files changed, 76 insertions, 7 deletions

diff --git a/kyra/gui.cpp b/kyra/gui.cpp
index cdc531644e..5bc7046d47 100644
--- a/kyra/gui.cpp
+++ b/kyra/gui.cpp
@@ -413,6 +413,7 @@ int KyraEngine::buttonMenuCallback(Button *caller) {
 
 	_menuRestoreScreen = true;
 	while (_displayMenu) {
+		gui_processHighlights(_menu[0]);
 		processButtonList(_menuButtonList);
 		gui_getInput();
 	}
@@ -458,8 +459,8 @@ void KyraEngine::initMenu(Menu menu) {
 		x1 = menu.x + menu.item[i].x;
 		y1 = menu.y + menu.item[i].y;
 
-		x2 = menu.x + menu.item[i].x + menu.item[i].width - 1;
-		y2 = menu.y + menu.item[i].y + menu.item[i].height - 1;
+		x2 = x1 + menu.item[i].width - 1;
+		y2 = y1 + menu.item[i].height - 1;
 
 		if (i < 6) {
 			_menuButtonData[i].nextButton = 0;
@@ -488,7 +489,7 @@ void KyraEngine::initMenu(Menu menu) {
 		textY = y1 + 2;
 		_text->printText(menu.item[i].itemString, textX - 1, textY + 1,  12, 0, 0);
 
-		if (i == menu.field_14)
+		if (i == menu.highlightedItem)
 			_text->printText(menu.item[i].itemString, textX, textY, menu.item[i].highlightColor, 0, 0);
 		else
 			_text->printText(menu.item[i].itemString, textX, textY, menu.item[i].textColor, 0, 0);
@@ -602,13 +603,14 @@ int KyraEngine::gui_loadGameMenu(Button *button) {
 	_savegameOffset = 0;
 	setupSavegames(_menu[2], 5);
 	initMenu(_menu[2]);
+	processAllMenuButtons();
 
 	_displayLoadGameMenu = true;
 	_cancelLoadGameMenu = false;
 
 	while (_displayLoadGameMenu) {
 		gui_getInput();
-		//processHighlights();
+		gui_processHighlights(_menu[2]);
 		processButtonList(_menuButtonList);
 	}
 
@@ -672,7 +674,7 @@ bool KyraEngine::gui_quitConfirm(const char *str) {
 
 	while (_displayQuitConfirmDialog) {
 		gui_getInput();
-		//processHighlights();
+		gui_processHighlights(_menu[1]);
 		processButtonList(_menuButtonList);
 	}
 
@@ -723,5 +725,69 @@ int KyraEngine::gui_scrollDown(Button *button) {
 	return 0;
 }
 
+void KyraEngine::gui_processHighlights(Menu &menu) {
+	int x1, y1, x2, y2;
+
+	for (int i = 0; i < menu.nrOfItems; i++) {
+		if (!menu.item[i].enabled)
+			continue;
+
+		x1 = menu.x + menu.item[i].x;
+		y1 = menu.y + menu.item[i].y;
+
+		x2 = x1 + menu.item[i].width;
+		y2 = y1 + menu.item[i].height;
+
+		if (_mouseX > x1 && _mouseX < x2 &&
+			_mouseY > y1 && _mouseY < y2) {
+			
+			if (menu.highlightedItem != i) {
+				gui_redrawText(menu);
+				menu.highlightedItem = i;
+				gui_redrawHighlight(menu);
+				_screen->updateScreen();
+			}
+		}
+	}
+}
+
+void KyraEngine::gui_redrawText(Menu menu) {
+	int textX;
+	int i = menu.highlightedItem;
+
+	int x1 = menu.x + menu.item[i].x;
+	int y1 = menu.y + menu.item[i].y;
+
+	int x2 = x1 + menu.item[i].width - 1;
+
+	if (menu.item[i].field_12 != -1)
+		textX = x1 + menu.item[i].field_12 + 3;
+	else
+		textX = _text->getCenterStringX(menu.item[i].itemString, x1, x2);
+
+	int textY = y1 + 2;
+	_text->printText(menu.item[i].itemString, textX - 1, textY + 1,  12, 0, 0);
+	_text->printText(menu.item[i].itemString, textX, textY, menu.item[i].textColor, 0, 0);
+}
+
+void KyraEngine::gui_redrawHighlight(Menu menu) {
+	int textX;
+	int i = menu.highlightedItem;
+
+	int x1 = menu.x + menu.item[i].x;
+	int y1 = menu.y + menu.item[i].y;
+
+	int x2 = x1 + menu.item[i].width - 1;
+
+	if (menu.item[i].field_12 != -1)
+		textX = x1 + menu.item[i].field_12 + 3;
+	else
+		textX = _text->getCenterStringX(menu.item[i].itemString, x1, x2);
+
+	int textY = y1 + 2;
+	_text->printText(menu.item[i].itemString, textX - 1, textY + 1,  12, 0, 0);
+	_text->printText(menu.item[i].itemString, textX, textY, menu.item[i].highlightColor, 0, 0);
+}
+
 } // end of namespace Kyra
  
diff --git a/kyra/kyra.cpp b/kyra/kyra.cpp
index 307bc2d02f..554ad9934a 100644
--- a/kyra/kyra.cpp
+++ b/kyra/kyra.cpp
@@ -730,7 +730,7 @@ void KyraEngine::mainLoop() {
 }
 
 void KyraEngine::quitGame() {
-	res_unloadResources();
+	res_unloadResources(RES_ALL);
 
 	for (int i = 0; i < ARRAYSIZE(_movieObjects); ++i) {
 		_movieObjects[i]->close();
diff --git a/kyra/kyra.h b/kyra/kyra.h
index dd6f5f66f3..462049ceb8 100644
--- a/kyra/kyra.h
+++ b/kyra/kyra.h
@@ -205,7 +205,7 @@ struct Menu {
 	uint8 textColor;
 	int16 field_10;
 	uint16 field_12;
-	uint16 field_14;
+	uint16 highlightedItem;
 	uint8 nrOfItems;
 	int16 scrollUpBtnX;
 	int16 scrollUpBtnY;
@@ -672,6 +672,9 @@ protected:
 
 	bool gui_quitConfirm(const char *str);
 	void gui_getInput();
+	void gui_redrawText(Menu menu);
+	void gui_redrawHighlight(Menu menu);
+	void gui_processHighlights(Menu &menu);
 
 	uint8 _game;
 	bool _fastMode;