Ticket #8764: lure_mouse_scroll.patch

surface.cpp

@@ -894 +894 @@
                                         abortFlag = true;
                                         break;
                                 }
-                                if (events.type() == Common::EVENT_MOUSEMOVE) {
+                                if (events.type() == Common::EVENT_MOUSEMOVE || 
+                                        events.type() == Common::EVENT_WHEELUP || events.type() == Common::EVENT_WHEELDOWN) {
                                         // Mouse movement
                                         int lineNum;
-                                        if ((mouse.x() < (SAVE_DIALOG_X + DIALOG_EDGE_SIZE)) ||
-                                                (mouse.x() >= (SAVE_DIALOG_X + s->width() - DIALOG_EDGE_SIZE)) ||
-                                                (mouse.y() < SAVE_DIALOG_Y + SR_SAVEGAME_NAMES_Y) ||
-                                                (mouse.y() >= SAVE_DIALOG_Y + SR_SAVEGAME_NAMES_Y + numSaves * FONT_HEIGHT))
-                                                // Outside displayed lines
-                                                lineNum = -1;
-                                        else
-                                                lineNum = (mouse.y() - (SAVE_DIALOG_Y + SR_SAVEGAME_NAMES_Y)) / FONT_HEIGHT;
 
+                                        if (events.type() == Common::EVENT_MOUSEMOVE) {
+                                                if ((mouse.x() < (SAVE_DIALOG_X + DIALOG_EDGE_SIZE)) ||
+                                                        (mouse.x() >= (SAVE_DIALOG_X + s->width() - DIALOG_EDGE_SIZE)) ||
+                                                        (mouse.y() < SAVE_DIALOG_Y + SR_SAVEGAME_NAMES_Y) ||
+                                                        (mouse.y() >= SAVE_DIALOG_Y + SR_SAVEGAME_NAMES_Y + numSaves * FONT_HEIGHT))
+                                                        // Outside displayed lines
+                                                        lineNum = -1;
+                                                else
+                                                        lineNum = (mouse.y() - (SAVE_DIALOG_Y + SR_SAVEGAME_NAMES_Y)) / FONT_HEIGHT;
+                                        } else if (events.type() == Common::EVENT_WHEELUP) {
+                                                if (selectedLine > 0) {
+                                                        lineNum = selectedLine - 1;
+                                                }
+                                        } else if (events.type() == Common::EVENT_WHEELDOWN) {
+                                                if (selectedLine < DIALOG_EDGE_SIZE) {
+                                                        lineNum = selectedLine + 1;
+                                                }
+                                        }
+
                                         if (lineNum != selectedLine) {
                                                 if (selectedLine != -1)
                                                         // Deselect previously selected line